CN212363295U - Equipment for collecting force data of human prone position on mattress - Google Patents
Equipment for collecting force data of human prone position on mattress Download PDFInfo
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- CN212363295U CN212363295U CN202021344691.4U CN202021344691U CN212363295U CN 212363295 U CN212363295 U CN 212363295U CN 202021344691 U CN202021344691 U CN 202021344691U CN 212363295 U CN212363295 U CN 212363295U
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Abstract
The utility model discloses a device for collecting the prone position stress data of a human body on a mattress, which comprises a testing base, a weighing platform and a height measuring plate, wherein the testing base is provided with the weighing platform and the height measuring plate; a human body profile measuring plate slides on the testing base, and height data acquired by the ranging column on the human body profile measuring plate is transmitted to a memory of the single chip microcomputer for storage; a console in which the elastic plate single chip microcomputer circuit is disposed; a plurality of elastic columns are fixed on a base of the simulation elastic bed, a pressure sensing circuit is arranged at the bottom of the simulation elastic bed, and pressure data are used for adjusting the elasticity of the elastic columns. The utility model discloses a setting contains data acquisition's such as height, weight, health back profile measuring station, sets for the real-time synchronization adjustment of experience bed corresponding spring assembly's precompression parameter, has realized that individualized fluidized bed fills up the quick collection of customization parameter and experience and has set for, has accomplished the collection and experience verification of individualized customization mattress true data high-efficiently, has improved the production efficiency of individualized customization mattress, the cost is reduced, user's satisfaction has been improved.
Description
Technical Field
The utility model relates to a furniture trade, especially a mattress production process, acquire the method of mattress elastic data and acquire the test equipment of these data.
Background
In the prior art, a bed is a necessity for life of people, specific parameters such as height, weight and surrounding degree of a human body need to be measured when the mattress is customized individually due to individual difference of people, the personalized mattress is manufactured preliminarily according to the specific parameters of the human body, and then the customized parameters are adjusted through actual use experience. According to the measuring method and the manufacturing method in the prior art, the body parameter measurement and the sample manufacturing are long in time and high in cost, and need to be completed by personnel with professional skills, so that the efficiency is low, and the limitation is large, therefore, a device capable of quickly and automatically measuring the body parameter and quickly completing the customized mattress is needed to be designed.
SUMMERY OF THE UTILITY MODEL
The utility model discloses it is exactly in order to solve prior art "measure body parameter, preparation sample not only long, with high costs to need rely on the personnel that possess professional skill to accomplish, efficiency is very low, and the limitation is very big. The problem of "provides a equipment of human prone position atress data on the collection mattress.
The utility model discloses a one set of complete system measures user's human form from the beginning, collects parameter data, carries out mattress elasticity according to human form parameter and sets for, arrives again and implements the softness and hardness degree of spring on the simulation bed, experiences comfortable degree by the user to carry out the elasticity degree according to user's hobby and improve, after gaining satisfied effect, with final data storage in the SD card, be used for customizing the mattress.
The utility model discloses a realize like this, the equipment of human prone position atress data on collection mattress is manufactured to the design, equipment includes:
the height measuring device comprises a test base, a height measuring plate and a height measuring plate, wherein the test base is provided with a weighing platform, a height measuring rod is arranged beside the weighing platform, and the height measuring plate slides on the height measuring rod to detect the height of a human body;
a human body contour measuring plate slides on the testing base, the human body contour measuring plate is fully distributed with the ranging columns, when the human body contour measuring plate is pushed to press a human body, the length of the ranging columns is compressed, and a plurality of ranging columns are arranged on the human body contour measuring plate in a mode of being divided into an area A and an area B;
each distance measuring column is provided with a distance measuring circuit unit;
a distance measuring circuit unit in the area A is gated by the area A singlechip U1 in the area A distance measuring singlechip microcomputer circuit one by one, a distance measuring pulse is sent by the 36 th pin of the area A singlechip U1, a return pulse is received from the 37 th pin, and the height of each distance measuring column in the area A is calculated;
a B-area singlechip U2 in a B-area distance measurement singlechip microcomputer circuit gates the distance measurement circuit units in the B area one by one, a 36 th pin of the B-area singlechip U2 sends a distance measurement pulse, a 37 th pin receives a return pulse, and the height of each distance measurement column in the B area is calculated;
the serial port 1 of the A-area single chip microcomputer U1 is connected with the serial port 1 of the B-area single chip microcomputer U2, and height data of all ranging columns in the A area are transmitted to a storage U11 of a B-area single chip microcomputer U2 to be stored;
the elastic plate single chip microcomputer circuit is characterized in that a serial port 1 of an elastic plate single chip microcomputer U3 is connected with a serial port 2 of a B-area single chip microcomputer U2, height data of all ranging columns are received, and the data are stored in a data memory U12;
a console in which the elastic plate single chip microcomputer circuit is disposed;
a simulation elastic bed comprises a bed base, a plurality of elastic columns are fixed on the base, a pressure sensor IC6 is arranged at the bottommost part of each elastic column, a pressure sensing circuit outputs pressure analog voltage V0 to an elastic column pressure detection motor driving circuit, and a pin of a P1 port of a detection driving single chip microcomputer U4 in the circuit is connected with the pressure analog voltage V0; in the elastic column, a motor is located on a pressure sensor IC6, and a pressure sensor IC6 senses the pressure transmitted by the motor body;
the motor is driven by the detection driving singlechip U4 to rotate forwards and backwards;
the motor drives an upward screw rod, the screw rod rotates to drive the baffle plate to move up and down in the lower column barrel, the baffle plate bears a spring, the spring is propped against the top surface of the upper column barrel, and a column head is arranged above the top surface.
The upper column casing is sleeved on the lower column casing and slides up and down, and a limiting groove is arranged between the upper column casing and the lower column casing, so that the upper column casing and the lower column casing cannot rotate left and right or fall off.
An RS485 communication interface MAX487 chip is arranged in the elastic column pressure detection motor driving circuit, the chip is connected with a serial port of a detection driving single chip microcomputer U4 and a serial port 2 of an elastic plate single chip microcomputer U3, a station number setting circuit formed by connecting a group of interfaces of the detection driving single chip microcomputer U4 with dial switches is arranged, and when the elastic plate single chip microcomputer U3 sends driving data of the station number, the detection driving single chip microcomputer U4 drives the motor to work according to the driving data.
The elastic display unit connected with the elastic plate single chip microcomputer U3 displays the elastic setting state of each elastic column and the elastic data experienced by a user, the elastic command keyboard circuit and the elastic data keyboard circuit connected with the elastic plate single chip microcomputer U3 input improved data, and the SD card connected with the elastic plate single chip microcomputer U3 records and stores the final data.
63 distance measuring columns are arranged in the area A of the human body contour measuring plate, and 63 distance measuring columns are arranged in the area B of the human body contour measuring plate; the human body contour measuring plate slides on the slideway;
the single-chip microcomputer U1 in the area A gates the ranging circuit units in the area A one by one and the single-chip microcomputer U2 in the area B gates the ranging circuit units in the area B one by one, a gating circuit is constructed by an analog switch CD4066, and then the single-chip microcomputer U1 in the area A gates the ranging circuit units one by one to measure 001-063 control points; and the control points 064-126 are gated one by the B-area singlechip U2.
The utility model has the advantages of, contain the height through the setting, weight, a measuring station of data acquisition such as health back profile, and set for experience the real-time synchronization adjustment of the corresponding spring unit's of bed precompression parameter through the data of control cabinet basis gathering, the quick collection and the experience of having realized individualized bed pad customization parameter are set for, through customization person's on-the-spot actual experience, through artificial actual fine setting, the collection and the experience verification of individualized customization mattress true data have been accomplished very high-efficiently, thereby individualized customization mattress's production efficiency has been improved by a wide margin, reduce cost by a wide margin, user's satisfaction has been improved by a wide margin.
Drawings
FIG. 1 is a schematic structural diagram of the whole system of the device for collecting force data of a prone position of a human body on a mattress according to the present invention;
FIG. 2 is a schematic view showing the compression of the distance measuring column related to the user of the device for collecting the force data of the prone position of the human body on the mattress during the test process;
FIG. 3 is a diagram showing the arrangement of the distance measuring columns on the body profile measuring plate of the device for collecting the force data of the prone position of the human body on the mattress, 63 distance measuring columns in the area A and 63 distance measuring columns in the area B;
FIG. 4 is a schematic structural diagram of a distance measuring column related to the device for collecting the force data of the prone position of the human body on the mattress;
fig. 5 is a schematic diagram of a circuit matrix composed of gating devices CD4066 for gating 63 distance measuring columns and measuring distance one by one in the area a related to the device for collecting the force data of the human body lying position on the mattress;
fig. 6 is a schematic diagram of a circuit matrix composed of gating devices CD4066 for gating 63 distance measuring columns and measuring distance one by one in the B area related to the device for collecting the force data of the human body lying position on the mattress;
FIG. 7 is a schematic diagram of a distance measuring single-chip microcomputer circuit in area A, which is mainly composed of a single-chip microcomputer U1 in area A and is used for collecting force data of prone position of human body on mattress;
FIG. 8 is a schematic diagram of a distance measuring monolithic computer circuit for B area, which is mainly composed of a monolithic computer U2 for B area and is used for collecting the force data of lying position of human body on mattress;
FIG. 9 is an exploded view of the simulated elastic bed 5 in the device for collecting force data of a prone position of a human body on a mattress according to the present invention;
FIG. 10 is a schematic diagram of the device for collecting force data of a prone position of a human body on a mattress according to the present invention, wherein a user experiences the comfort of the mattress on the simulated elastic bed 5;
fig. 11-1 is a schematic structural view of the elastic columns 52 in the device for collecting force data of a prone position of a human body on a mattress according to the present invention, wherein the baffle 5213 is shown at the lowest position, and the pressure of the motor 5212 on the pressure sensing circuit 5211 is the smallest;
fig. 11-2 shows that the baffle 5213 of the device for collecting force data of a prone position of a human body on a mattress according to the present invention has been raised to a certain height, the spring 5216 has been compressed, and a certain pressure is applied to the pressure sensing circuit 5211 through the motor 5212 body;
fig. 11-3 shows that the baffle 5213 of the device for collecting force data of prone position of human body on mattress of the present invention is raised to a height, the column head 5219 is lowered due to the pressure exerted by the user's body, the human body gravity F + the spring compression force F1, and the pressure sensed by the pressure sensing circuit 5211 is larger;
FIG. 12 is an electrical schematic diagram of an elastic single-chip microcomputer circuit in the device for collecting force data of a prone position of a human body on a mattress according to the present invention;
fig. 13 is a schematic diagram of a pressure sensing circuit 5211 related to the device for collecting force data of a prone position of a human body on a mattress according to the present invention, wherein a signal of a pressure sensor IC6 is amplified by an instrumentation amplifier to output an analog voltage V0;
fig. 14 is an electrical schematic diagram of the elastic column pressure detection motor driving circuit, which is connected to each elastic column 52, in the device for collecting force data of human body prone position on the mattress of the present invention.
Detailed Description
The present invention will be described in further detail with reference to preferred embodiments.
Referring to fig. 1 to 14, an apparatus for collecting prone position stress data of a human body on a mattress is designed and manufactured, the apparatus comprising:
as shown in figure 1, a test base 1 is provided with a weighing platform 11, a height measuring rod 2 is arranged beside the weighing platform 11, and a height measuring plate 3 slides on the height measuring rod 2 to detect the height of a human body;
a human body contour measuring plate 13 slides on the testing base 1, the ranging columns 131 are fully distributed on the human body contour measuring plate 13, when the human body contour measuring plate 13 is pushed to press a human body, the length of the ranging columns 131 is compressed, and the ranging columns 131 are arranged on the human body contour measuring plate 13 in an A area and a B area;
a distance measuring circuit unit 31 is arranged in each distance measuring column 131;
a distance measuring circuit unit 31 in the A area is gated by the A area singlechip U1 in the A area distance measuring singlechip microcomputer circuit one by one, a 36 th pin of the A area singlechip U1 sends a distance measuring pulse, a 37 th pin receives a return pulse, and the height of each distance measuring column 131 in the A area is calculated;
a B-area singlechip U2 in a B-area distance measurement singlechip microcomputer circuit gates the distance measurement circuit units 31 in the B-area one by one, a 36 th pin of the B-area singlechip U2 sends a distance measurement pulse, a 37 th pin receives a return pulse, and the height of each distance measurement column 131 in the B-area is calculated;
the serial port 1 of the A-area singlechip U1 is connected with the serial port 1 of the B-area singlechip U2, and the height data of all the ranging columns 131 in the A area are transmitted to a memory U11 of a B-area singlechip U2 for storage;
the elastic plate single chip microcomputer circuit is characterized in that a serial port 1 of an elastic plate single chip microcomputer U3 is connected with a serial port 2 of a B-area single chip microcomputer U2, height data of all the ranging columns 131 are received, and the data are stored in a data memory U12;
a console 4 in which an elastic plate single chip microcomputer circuit is provided;
a simulated elastic bed 5, which comprises a bed base 51, a plurality of elastic columns 52 are fixed on the base, the bottommost part of each elastic column 52 is provided with a pressure sensor IC6, a pressure sensing circuit 5211 outputs pressure analog voltage V0 to an elastic column pressure detection motor driving circuit, and a pin of a P1 port of a detection driving singlechip U4 in the circuit is connected with the pressure analog voltage V0; in the elastic column 52, a motor 5212 is seated on a pressure sensor IC6, and the pressure sensor IC6 senses pressure transmitted through the motor body;
the motor is driven by the detection driving singlechip U4 to rotate forwards and backwards;
the motor 5212 drives an upward screw 5215, which rotates to move the barrier 5213 up and down in the lower barrel 5214. the barrier 5213 carries a spring 5216 which rests on the top surface of the upper barrel 5218, above which is a post 5219.
The upper column casing is sleeved on the lower column casing and slides up and down, and a limiting groove is arranged between the upper column casing and the lower column casing, so that the upper column casing and the lower column casing cannot rotate left and right or fall off.
An RS485 communication interface MAX487 chip is arranged in the elastic column pressure detection motor driving circuit, the chip is connected with a serial port of a detection driving single chip microcomputer U4 and a serial port 2 of an elastic plate single chip microcomputer U3, a station number setting circuit formed by connecting a group of interfaces of the detection driving single chip microcomputer U4 with dial switches is arranged, and when the elastic plate single chip microcomputer U3 sends driving data of the station number, the detection driving single chip microcomputer U4 drives the motor to work according to the driving data.
The elastic display unit connected with the elastic plate single chip microcomputer U3 displays the elastic setting state of each elastic column 52 and the elastic data experienced by a user, the elastic command keyboard circuit and the elastic data keyboard circuit connected with the elastic plate single chip microcomputer U3 input improved data, and the SD card connected with the elastic plate single chip microcomputer U3 records and stores the final data.
63 distance measuring columns are arranged in the area A of the human body contour measuring plate 13, and 63 distance measuring columns are arranged in the area B; the human body contour measuring board 13 slides on the slideway 12;
the single-chip microcomputer U1 in the area A gates the ranging circuit units 31 in the area A one by one and the single-chip microcomputer U2 in the area B gates the ranging circuit units 31 in the area B one by one, a gating circuit is constructed by an analog switch CD4066, and then the single-chip microcomputer U1 in the area A gates the control points from 001 to 063; and the control points 064-126 are gated one by the B-area singlechip U2.
As shown in FIG. 3, the preferred embodiment of the distance measuring posts 131 on the body contour board 13 has a diameter of 100mm and a pitch of 20mm, 7 × 18 = 126 distance measuring posts, a width of 860mm and a height of 2160 mm.
As shown in FIG. 4, the base cylinder 32 of the ranging column 131 may be an inner cylinder or an outer cylinder, the compression degree is maintained by the elastic buckle 37 between the base cylinder 32 and the upper cylinder, the depth of compression is determined by the number of the grooves 36, the upper cylinder is sleeved on the base cylinder 32 to slide up and down, a limit groove is formed between the two to prevent the upper cylinder from rotating left and right, and the limit buckle 38 ensures that the upper cylinder and the lower cylinder cannot fall off.
The raised head 39 is arc-shaped and is comfortably contacted with a human body, and the hook hole 391 is used for manually resetting the upper column sleeve;
the reflecting surface 35 is used for reflecting the ultrasonic wave emitted by the ultrasonic generator 33, after the ultrasonic receiver 34 receives the ultrasonic wave pulse train, the distance measuring circuit unit 31 transmits the signal back to the 37 th pin of the A-area singlechip U1 or the B-area singlechip U2, the height of the distance measuring column is calculated, and the distance measuring pulse is emitted from the 36 th pin.
As shown in fig. 5 and 6, the single-chip microcomputer U1 in the area a or the single-chip microcomputer U2 in the area B can only detect the height of one ranging column when sending a ranging pulse from the 36 th pin each time, so 63 ranging columns are sequentially detected, the chip selection is completed by a CD4066 digital circuit chip, which ranging column is selected, an I/O pin of the single-chip microcomputer U1 in the area a or the single-chip microcomputer U2 outputs a high level, a CD4066 control end connected with the pin opens the connection between the ranging column and the 36 th pin of the single-chip microcomputer, the single-chip microcomputer U1 in the area a or the single-chip microcomputer U2 in the area B completes the measurement of the ranging column, ranging data is temporarily stored in a memory, the connection between the ranging column and the single-chip microcomputer is closed, the next I/O pin of the single-chip microcomputer is started to output a high level.
In fig. 5 and 6, each control point from 001 to 063 and from 064 to 126 is connected to the control end of CD4066, and 64 CDs 4066 are used in the present invention.
As shown in fig. 7, fig. 8 and fig. 12, the utility model discloses STM32F103ZET6 singlechip is chooseed for use to A district singlechip U1, B district singlechip U2 and elastic plate singlechip U3, and this singlechip has nearly 100 IO pins to supply to use.
The elastic column single chip microcomputer U4 selects STC15W 408S.
As shown in fig. 11-1, this figure is the free state of the spring 5216.
As shown in fig. 11-2, when the motor 5212 is rotated to push the barrier 5213 upward, compressing the spring, which corresponds to a pre-compressed force on the spring, the amount of compression of the spring assembly with the pre-compression is less than the amount of compression of the spring assembly in the free state when the same force is applied to the spring assembly with the pre-compression, as shown in fig. 11-3: the spring coefficient is K, the precompression force is F1, and the precompression stroke S1 is: s1= F1/K.
As shown in fig. 2: the measurement process is as follows: when a user stands on a designated position on the human body scale of the measuring table, the electronic scale automatically measures the weight of the measured person, and meanwhile, the height measuring plate automatically moves downwards to a position slightly contacted with the top of the head of the measured person to finish the measurement of the height of the measured person. Meanwhile, the human body contour measuring plate 13 moves forwards slowly, the distance measuring columns gradually contact the back contour of the measured person, and the console automatically collects data of all the distance measuring columns. At this time, the data collected by the ranging column form the whole three-dimensional real contour data of the back of the tested person.
According to the height, the weight, the human body mass distribution rule, the number of the measuring rods corresponding to different parts of the body, the displacement stroke and other data of the compressed measuring rods of the tested person, the predicted pressure and deformation to be borne by the spring assembly corresponding to each measuring rod on the simulated elastic bed 5 can be calculated, and according to the result, the console respectively controls each spring assembly on the simulated elastic bed 5 to adjust the precompression amount, so that the personalized customization parameters of the experience bed are preset.
As shown in fig. 10, the preset parameters of the simulated elastic bed 5 are manually adjusted on the keyboard of the elastic plate single chip microcomputer circuit by the staff according to the subjective description of the testee, so as to achieve the maximum comfort and satisfaction.
When the experience result of the simulated elastic bed 5 meets the requirement, the console collects the data of the positions, the pre-compression amount, the actual compression length, the actual pressure and the like of all the spring assemblies, and finally the data are stored in the SD card. The data can be used as basic data for customizing the personalized mattress for the tested person, and a production workshop can manufacture the personalized mattress for the tested person according to the data.
The above description is only for the preferred embodiment of the present invention, and for those skilled in the art, there may be variations in the specific implementation and application range according to the spirit of the present invention, and the content of the description should not be construed as a limitation to the present invention.
Claims (5)
1. The utility model provides an equipment of human prone position atress data on collection mattress which characterized in that, equipment includes:
the height measuring device comprises a testing base (1), a weighing platform (11) is arranged on the testing base, a height measuring rod (2) is arranged beside the weighing platform (11), and a height measuring plate (3) slides on the height measuring rod (2) to detect the height of a human body;
a human body contour measuring plate (13) slides on the testing base (1), distance measuring columns (131) are fully distributed on the human body contour measuring plate (13), when the human body contour measuring plate (13) is pushed to press a human body, the length of the distance measuring columns (131) is compressed, and a plurality of distance measuring columns (131) are arranged on the human body contour measuring plate (13) in an A area and a B area;
a distance measuring circuit unit (31) is arranged in each distance measuring column (131);
a distance measuring circuit unit (31) of the A area is gated by the A area singlechip U1 in the A area distance measuring singlechip microcomputer circuit one by one, a 36 th pin of the A area singlechip U1 sends a distance measuring pulse, a 37 th pin receives a return pulse, and the height of each distance measuring column (131) in the A area is calculated;
a B-area singlechip U2 in a B-area distance measurement singlechip microcomputer circuit gates the distance measurement circuit units (31) in the B-area one by one, a 36 th pin of the B-area singlechip U2 sends a distance measurement pulse, a 37 th pin receives a return pulse, and the height of each distance measurement column (131) in the B-area is calculated;
the serial port 1 of the A-area singlechip U1 is connected with the serial port 1 of the B-area singlechip U2, and height data of all the ranging columns (131) in the A area are transmitted to a memory U11 of the B-area singlechip U2 for storage;
the elastic plate single chip microcomputer circuit is characterized in that a serial port 1 of an elastic plate single chip microcomputer U3 is connected with a serial port 2 of a B-area single chip microcomputer U2, height data of all the ranging columns (131) are received, and the data are stored in a data memory U12;
a console (4) in which the elastic plate single chip microcomputer circuit is disposed;
a simulation elastic bed (5) comprises a bed base (51), a plurality of elastic columns (52) are fixed on the base, a pressure sensor IC6 is arranged at the bottommost part of each elastic column (52), a pressure sensing circuit (5211) outputs pressure analog voltage V0 to an elastic column pressure detection motor driving circuit, and a pin of a P1 port of a detection driving single chip microcomputer U4 in the circuit is connected with the pressure analog voltage V0; in the elastic column (52), a motor (5212) is seated on a pressure sensor IC6, and a pressure sensor IC6 senses pressure transmitted through a motor body;
the motor is driven by the detection driving singlechip U4 to rotate forwards and backwards;
the motor (5212) drives an upward screw (5215) that turns to move the barrier (5213) up and down in the lower barrel (5214), and the barrier (5213) carries a spring (5216) that rests on the top surface of the upper barrel (5218) above which is a stud (5219).
2. The apparatus for collecting data on human prone position on a mattress according to claim 1 wherein the upper column sleeve slides up and down on the lower column sleeve with a spacing groove between them to prevent it from rotating left and right and falling off.
3. The device for collecting human body prone position stress data on a mattress according to claim 1, wherein an RS485 communication interface MAX487 chip is arranged in the elastic column pressure detection motor driving circuit, the chip is connected with a serial port of a detection driving single chip microcomputer U4 and a serial port 2 of an elastic plate single chip microcomputer U3, a station number setting circuit formed by connecting a group of interfaces of a detection driving single chip microcomputer U4 with dial switches is arranged, and when the elastic plate single chip microcomputer U3 sends driving data of the station number, the detection driving single chip microcomputer U4 drives the motor to work according to the driving data.
4. The device for collecting the human body prone position stress data on the mattress according to claim 1, wherein the elastic display unit connected with the elastic plate single chip microcomputer U3 displays the elastic setting state of each elastic column (52) and the elastic data experienced by the user, the elastic command keyboard circuit and the elastic data keyboard circuit connected with the elastic plate single chip microcomputer U3 input the improved data, and the SD card connected with the elastic plate single chip microcomputer U3 records and stores the final data.
5. The apparatus for collecting human prone position force data on a mattress according to claim 1, wherein:
63 distance measuring columns are arranged in the area A of the human body contour measuring plate (13), and 63 distance measuring columns are arranged in the area B; the human body contour measuring plate (13) slides on the slide way (12);
the single-chip microcomputer U1 in the area A gates the ranging circuit units (31) in the area A one by one and the single-chip microcomputer U2 in the area B gates the ranging circuit units (31) in the area B one by one, a gating circuit is constructed by an analog switch CD4066, and then the single-chip microcomputer U1 in the area A gates the ranging circuit units one by one to measure 001 to 063 control points; and the control points 064-126 are gated one by the B-area singlechip U2.
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| CN202021344691.4U CN212363295U (en) | 2020-07-10 | 2020-07-10 | Equipment for collecting force data of human prone position on mattress |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113587981A (en) * | 2020-07-10 | 2021-11-02 | 雷士实业(香港)有限公司 | Human body prone position data acquisition method and system |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113587981A (en) * | 2020-07-10 | 2021-11-02 | 雷士实业(香港)有限公司 | Human body prone position data acquisition method and system |
| CN113587981B (en) * | 2020-07-10 | 2024-02-23 | 雷士实业(香港)有限公司 | Human body prone position data acquisition method and system |
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