CN114304880B - Lifting table standing position height recommendation method for healthy office - Google Patents
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Abstract
The invention discloses a lifting table standing position highly recommending method for healthy office work, and relates to the technical field of office furniture. The method comprises the following steps: s1, acquiring the height and the sex of a user; s2, calculating the standing elbow height of the user according to the height and the gender; and S3, taking the standing elbow height as a standing desk height recommended value. The invention can adaptively adjust the desk height in the standing state by combining the height and the gender of the user, and reduce the influence of unreasonable desk height on the health of office staff.
Description
Technical Field
The invention relates to the technical field of office furniture, in particular to a lifting table standing position height recommendation method for healthy office.
Background
With the development of society, fast-paced life and work force office staff to work on a table for a long time, so that the office staff often sit for a long time before a desk with a fixed height, and musculoskeletal diseases such as cervical spondylosis, lumbar spondylosis and the like are generated. In order to alleviate the adverse effects of fixed desk height and long-term sitting on the body, many office workers begin to adopt a sitting-standing alternate office mode, and meanwhile, a liftable office desk also grows. The height of the office table greatly influences the posture and health of office staff, and too low office table can force the office staff to lean forward or bend down when working at a desk, so that the back musculoskeletal is in a highly stressed state, and lumbar vertebra diseases are easy to cause; when the height of the tabletop is too large, shoulder load is increased, and fatigue is accelerated. The reasonable office desk top is beneficial to assisting office staff in keeping healthy sitting and standing office postures, so that health risks caused by poor office postures are reduced.
The current price increasing table on the market can meet the requirement that a user can adjust the height of the table up and down in a large range, but because no adjustable standard can be referred, the user often needs to finely adjust for many times and experience for a period of time when using for the first time to find the height suitable for the user, and the convenience is poor. Meanwhile, most users lack of knowledge of the height of the office desk top, and usually only adjust the height of the desk by feeling, which results in that the adjusted height of the desk cannot be matched with the height, the posture, the office form and the like of the users, and thus poor posture and musculoskeletal diseases can be caused.
Disclosure of Invention
In order to solve at least one technical problem in the background art, the invention aims to provide a lifting table standing position height recommendation method for healthy office work, which can be used for adaptively adjusting the table height in a standing position state by combining the height and the gender of a user, and reducing the influence of unreasonable table height on the health of office workers.
In order to achieve the above purpose, the present invention provides the following technical solutions:
a lifting table standing position height recommendation method for healthy office work comprises the following steps:
s1, acquiring the height and the sex of a user;
s2, calculating the standing elbow height of the user according to the height and the gender;
and S3, taking the standing elbow height as a standing desk height recommended value.
Further, the step S3 further includes:
s4, correcting the recommended value of the pose table height according to the shoe height of the user;
s41, judging the shoe height of a user, if the shoe height is higher than a set threshold value, not correcting, otherwise, entering S42;
s42, correcting the value of the elbow height of the standing position to be the sum of the elbow height of the original standing position and the shoe height;
s43, the corrected elbow height of the standing posture is taken as a recommended value of the desk height of the standing posture after correction.
Further, the set threshold is 2cm.
Further, the standing height recommendation/corrected standing height recommendation also includes a nominal correction value resulting from garment thickness and/or elbow movement.
Further, the step S4 further includes:
s5, correcting the standing desk height recommended value again according to different office forms;
s51, setting office correction values under different office modes;
s52, correcting the recommended standing desk height value according to the office form input by the user and combining the corresponding office correction value.
Further, the office forms include VDT office, paperwork, precision work, and design drawing.
Further, the specific method of step S2 is as follows:
s21, constructing a standard normal model of height and elbow height of a human body under two sexes;
s22, obtaining a relational expression of the height of the human body, the elbow height of the standing posture and the standard normal deviation;
s23, combining a relation between the height of the human body and the standard normal deviation and a relation between the elbow height of the standing posture and the standard normal deviation; obtaining a relation between the elbow height of the standing position and the height of the human body;
s24, inputting the height and the sex of the human body to obtain the elbow height of the standing position.
Compared with the prior art, the invention has the beneficial effects that:
1. firstly, the invention can adaptively adjust the height of the desk in the standing state according to the height and the gender of the user, thereby reducing the influence of unreasonable height on the health of the user.
2. Secondly, the invention can also correct the table height in the opposite posture state according to the shoe height of the user, thereby avoiding the problem of reduced applicability of the original table height caused by too high shoe wearing.
3. Finally, the invention also sets the correction value according to different office forms so as to meet different requirements of the different office forms on the desk height.
4. Based on the recommendation and correction of the lifting table height value, office staff can quickly adjust the height of the table top suitable for the body type and real-time office conditions when using the lifting table, and the lifting table can assist the office staff in keeping a healthy standing posture while improving the use convenience of the office staff, so that the health risk brought by poor office postures is reduced.
Drawings
FIG. 1 is a flow chart of the method of the present invention.
Fig. 2 is a schematic view of the standing posture of the human body of the present invention.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely, and it is apparent that the described embodiments are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Referring to fig. 1, the embodiment provides a lifting table standing position height recommendation method for healthy office, which includes the following steps:
s1, acquiring the height and the sex of a user;
the height variable is expressed by h, the unit is cm, and the data type is floating point type; sex variable is denoted by g, data type is boolean, wherein 0 denotes female, 1 denotes male, h g Height value representing g gender; acquiring height data h input by a user 0 And gender data g 0 。
S2, calculating the standing elbow height of the user according to the height and the gender.
The height of the table in the stance state (hereinafter referred to as stance table height) that each person is in has a large relationship with the body size, the stance table height being related to the stance elbow height, and the body size being largely dependent on the height and sex of the person. Calculating a proper standing position table height recommended value according to the height and sex data of the user; the specific method comprises the following steps:
s21, constructing a standard normal model of height and elbow height of a human body under two sexes;
referring to fig. 2, the elbow height variable in standing position is denoted by hl in cm. The human body size distribution such as height, elbow height and the like accords with the rule of normal distribution, and the probability density function is as follows:
the primitive functions are:
if the standard is normal to the deviation z,
then
x＝μ+zσ (4)
Wherein mu is a human body size mean value (height of a human body and elbow height of a standing posture), sigma is a standard deviation, z changes along with the change of the percentile p, and the corresponding relation between the two can be obtained by checking a standard normal table.
S22, obtaining a relational expression of the height of the human body, the elbow height of the standing posture and the standard normal deviation;
taking the height as an example of the height,
the height of the g sex population in the p percentile is indicated. The height value of the 10 percentile population of the male in China is 160.4 cm in the national standard of the body size of adult in China (GB/T10000-1988), namely
Can be obtained by inquiring the national standard
And z p Representing the standard normal deviation z value in the p percentile, z being obtained by looking up a standard normal table 10％ ＝-1.282，z 50％ =0. The four parameters are brought into the formula (4), so that the average height value of men in China can be calculated>
And height standard deviation->
Can obtain the height h of the male 1 Relationship with standard normal deviation z:
height h g The relationship with the standard normal deviation z can be expressed as:
wherein ,
the height value of g sex crowd in p percentile of China can be obtained by checking national standard of Chinese adult human body size (GB/T10000-1988); z p The standard normal deviation z value under the p percentile can be obtained by looking up a standard normal table.
Similarly, the elbow height hl of the standing position can be obtained g Relationship with standard normal deviation z:
wherein ,
the standing elbow high values of g gender groups in p percentile of China can be obtained by checking the national standard of Chinese adult human body size (GB/T10000-1988).
S23, combining a relation between the height of the human body and the standard normal deviation and a relation between the elbow height of the standing posture and the standard normal deviation; obtaining a relation between the elbow height of the standing position and the height of the human body;
from formulas (6) and (7), the standing elbow height hl g Height h and height h g Is defined by the relation:
s24, inputting the height and the sex of the human body to obtain the elbow height of the standing position. Height h of user 0 And gender g 0 Substituting the formula (8) to obtain the elbow height hl of the user in the standing position g 。
And S3, taking the standing elbow height as a standing desk height recommended value.
H for standing desk height variable 2 Representation of elevation table standing height H for people of different heights 2 The formula of (2) is shown as formula (9):
H 2 ＝hl g +a 2 (9)
wherein ,a2 The nominal correction value representing the variation of the table height value caused by factors such as the thickness of the garment and/or the elbow movement is a constant value, and is generally 0.2cm to 1cm.
Raise the elbow height hl of the user in the standing position 0 Substituting the data into formula (9) to obtain the initial standing position table height recommended value for the user
It should be noted that the table height calculated according to the formula (9) is suitable for the case where the user wears the shoes (shoes height 1-2 cm) and uses the computer for office work.
When the user wears too high a shoe, the table height calculated by equation (9) may be less suitable. Based on this, in another embodiment, the step S3 further includes:
s4, correcting the recommended value of the pose table height according to the shoe height of the user;
s40, acquiring shoe height data of a user
The shoe height variable is denoted by s, the unit is cm, and the data type is floating point type. Acquiring shoe height data s input by a user 0 ；
S41, judging the shoe height of a user, if the shoe height is higher than a set threshold value, not correcting, otherwise, entering S42; the set threshold is 2cm;
s42, correcting the value of the elbow height of the standing position to be the sum of the elbow height of the original standing position and the shoe height;
based on the definition of the standing elbow height, a change in shoe height will cause a change in the dimensional value of the standing elbow height. The height h of the user wearing the shoes 1 ＝h 0 + 0 Will h 1 Substituting the new standing elbow height h into the formula (8) to obtain the new standing elbow height h of the user 1 。
S43, correcting the elbow height h of the standing position 1 As a corrected standing desk height recommendation.
Will hl 1 Substituting the data into formula (11) to obtain the recommended value of the standing table based on the shoe height data
In another embodiment, the different office forms may also have different requirements for desk height.
Therefore, the step S4 further includes:
s5, correcting the standing desk height recommended value again according to different office forms;
s51, setting office correction values under different office modes; office form variables are denoted by f, and office forms are divided into four types of VDT office f1, document office f2, precision job f3, and design drawing f 4. Acquiring office form data f input by a user 0 。
S52, correcting the recommended standing desk height value according to the office form input by the user and combining the corresponding office correction value.
If f 0 =f1, then
If f 0 =f2, then
If f 0 =f3, then
If f 0 =f4, then
wherein ,
Representing a standing desk height based on office form data; c i (i=1, 2, 3) represents correction amounts of various office forms to standing desktops, and all the correction amounts are constant.
Outputting final recommended value of standing position and height of lifting table to user
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein.
Claims (6)
1. A lifting table standing position height recommendation method for healthy office is characterized by comprising the following steps:
s1, acquiring the height and the sex of a user;
s2, calculating the standing elbow height of the user according to the height and the gender;
s3, taking the standing elbow height as a standing desk height recommended value;
the specific method of the step S2 is as follows:
s21, constructing a standard normal model of height and elbow height of a human body under two sexes;
wherein ,
elbow height for height or standing posture of human body, +.>
Is standard deviation (S)>
With percentile->
A change by change;
s22, obtaining a relational expression of the height of the human body, the elbow height of the standing posture and the standard normal deviation;
wherein ,
indicates sex->
Is to be added with the height of the human body>
and
Representation->
Percentile and 50 th percentile +.>
Height value of gender group;
Represents the standard normal deviation ++in the 10 percentile>
A value;
wherein ,
indicates sex->
Is high in the standing elbow of the human body;
and
Respectively representing 10 percentile and 50 percentile of China>
High elbow values for the gender group;
s23, combining a relation between the height of the human body and the standard normal deviation and a relation between the elbow height of the standing posture and the standard normal deviation; obtaining a relation between the elbow height of the standing position and the height of the human body;
s24, inputting the height and the sex of the human body to obtain the elbow height of the standing position.
2. The method for recommending elevation of a lifting desk for a healthy office according to claim 1, wherein the step S3 further comprises:
s4, correcting the recommended value of the pose table height according to the shoe height of the user;
s41, judging the shoe height of a user, if the shoe height is higher than a set threshold value, not correcting, otherwise, entering S42;
s42, correcting the value of the elbow height of the standing position to be the sum of the elbow height of the original standing position and the shoe height;
s43, the corrected elbow height of the standing posture is taken as a recommended value of the desk height of the standing posture after correction.
3. The lifting table standing position recommending method for the healthy office according to claim 2, wherein the set threshold is 2cm.
4. A lifting desk elevation recommendation method for a healthy office according to claim 1 or 2, wherein the standing desk elevation recommendation/corrected standing desk elevation recommendation further comprises nominal correction values caused by garment thickness and/or elbow movement.
5. The method for recommending elevation of a lifting desk for a healthy office according to claim 2, wherein the step S4 further comprises:
s5, correcting the standing desk height recommended value again according to different office forms;
s51, setting office correction values under different office modes;
s52, correcting the recommended standing desk height value according to the office form input by the user and combining the corresponding office correction value.
6. The method for highly recommended elevation of a health office-oriented lift table of claim 5, wherein the office forms include VDT office, paperwork, precision work, and design drawing.
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Denomination of invention: A method for recommending the standing height of a lifting desk for healthy office work Granted publication date: 20230526 Pledgee: Shanghai Pudong Development Bank Co.,Ltd. Hangzhou Xiaoshan Branch Pledgor: Shengao Technology Co.,Ltd. Registration number: Y2024330001213 |
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