CN215833802U - Lifting table control system with noninductive intelligent regulation function - Google Patents
Lifting table control system with noninductive intelligent regulation function Download PDFInfo
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- CN215833802U CN215833802U CN202122041707.5U CN202122041707U CN215833802U CN 215833802 U CN215833802 U CN 215833802U CN 202122041707 U CN202122041707 U CN 202122041707U CN 215833802 U CN215833802 U CN 215833802U
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Abstract
The utility model discloses a lifting table control system with noninductive intelligent regulation, which is used for solving the problems that the existing lifting table cannot fully play a role, health hidden dangers caused by long-time sitting still exist and work and study of a user are easily influenced, and comprises an noninductive control system module for controlling the lifting of a lifting table in an noninductive mode, a switch module electrically connected with the noninductive control system module, a motor module for driving the lifting table to lift, a motor driving module electrically connected between the noninductive control system module and the motor module, a table top, a transmission module for mechanically connecting the motor module and the table top and a power supply module for supplying power, wherein the power supply module is respectively electrically connected with the switch module, the noninductive control system module and the motor driving module; the lifting table has the advantages that the interference on the study and work of a user is not easy to cause, the movement of relevant joints of a human body is not delayed, and the health problem caused by long-term use of the lifting table by the user is improved.
Description
Technical Field
The utility model belongs to the technical field of office furniture control systems, and particularly relates to a lifting table control system with noninductive intelligent adjustment.
Background
In current people's work study, desk, study table are mostly fixed knot structure, can not carry out altitude mixture control, if sit study or work before this kind of desk for a long time, long-pending long-term tired can lead to human joint relevant diseases such as scapulohumeral periarthritis, cervical spondylopathy, lumbar vertebra disease, leads to "occupational disease" of working clan, influences the healthy development of student's health skeleton and the growth development of physique. Therefore, in recent years, electric lifting tables are gradually appeared in the market, and after the electric lifting tables are connected to an electric control mode, a user controls the height of a table top by operating manual control parts such as keys or handles so as to meet the requirement of sitting posture adjustment of the user; in order to remind a user of adjusting the sitting posture on time, most controllers of the lifting table can use sound, vibration and other modes as a sedentary reminding function to remind the user of adjusting the sitting posture in time.
Although there is a lifting table that can be adjusted by electric lifting in recent years, the practical use of the lifting table is limited by the use habits of the user and the inertia of the user, and although the lifting adjusting function is provided, the user is apt to forget to adjust the height of the table top on time because the user is attentive to work or study. Even possess the function of reminding for a long time of sitting, but remind the function and just remind, must the height-adjusting just of manual operation lift table to remind the function, also can disturb the thinking of work or study occasionally, frequently remind also can cause the interference to the user.
Therefore, in the practical use of the lifting table, the user does not exert the function of the lifting table to the maximum extent, so that a series of health problems caused by long-time sitting of the user cannot be solved to the maximum extent, the function exertion of the lifting table is limited, the user still easily has joint diseases and great health hidden dangers influencing body development, and the normal work and study of the user are also easily influenced.
SUMMERY OF THE UTILITY MODEL
In order to overcome the defects of the prior art, the utility model provides the lifting table control system which gives full play to the functions of the lifting table, improves the health problem of long-time sitting of a user and has no influence on work and study of the user and intelligent adjustment.
In order to achieve the purpose, the utility model adopts the following technical scheme: a lifting table control system with noninductive intelligent regulation comprises an noninductive control system module, a switch module, a motor driving module, a tabletop, a transmission module and a power supply module, wherein the noninductive control system module is used for controlling the lifting of a lifting table in an noninductive mode, the switch module is electrically connected with the noninductive control system module, the motor module is used for driving the lifting table to lift, the motor driving module is electrically connected between the noninductive control system module and the motor module, the tabletop is used for mechanically connecting the motor module and the tabletop, the power supply module is used for providing power, and the power supply module is electrically connected with the switch module, the noninductive control system module and the motor driving module respectively.
Preferably, the non-inductive control system module comprises a switching signal processing unit, an MCU (microprogrammed control unit) operation unit, a non-inductive operation PID (proportion integration differentiation) regulation unit and a PWM (pulse width modulation) generator unit, wherein the switching signal processing unit is electrically connected with the switching module, the switching signal processing unit, the MCU operation unit, the non-inductive operation PID regulation unit and the PWM generator unit are electrically connected in sequence, the PWM generator unit is electrically connected to the motor driving module, the MCU operation unit is electrically connected with the motor operation parameter calculation unit, the motor module is provided with a rotor position sensor, the rotor position sensor is electrically connected with the rotor position sensor capture unit, and the rotor position sensor is electrically connected to the motor operation parameter calculation unit.
Preferably, the non-inductive control system further comprises a timer unit for controlling the timing opening and closing of the non-inductive operation mode, and the timer unit is electrically connected to the MCU operation unit.
Preferably, the MCU operation unit is electrically connected with a human-computer interaction module for feeding back and displaying the real-time state of the user.
Preferably, the switch module comprises a common lifting function switch for controlling the common speed of the desktop to rise and fall, a non-inductive function switch for controlling the non-inductive speed of the desktop to rise and fall, and an initialization switch, and the common lifting function switch and the non-inductive function switch can be an integrated switch with a plurality of functions or can be divided into a plurality of independent switches with independent functions.
Preferably, the switch module may be a mechanical structure type switch or an electronic structure touch type key.
Preferably, the motor driving module adopts an H-bridge circuit structure.
Preferably, the human-computer interaction module is one or more intelligent interaction modules selected from an LED nixie tube, a display screen, an upper computer interface and a Bluetooth sound box.
The utility model has the technical effects that: 1. through the setting of the non-inductive control system, the lifting table can be controlled to be lifted at an ultra-low acceleration and an ultra-low speed state according to a preset fixed non-inductive lifting height, so that the table top is started, stopped and operated without shaking and sound, the non-inductive adjustment of the table top is realized, the influence on a user is not caused, and meanwhile, the movable joint of the human body is adjusted up and down by assisting the user carelessly by the user, so that the interference on the learning work of the user is not easily caused, the activity of the relevant joints of the human body is not delayed, and the health of the lifting table used by the user for a long time is ensured.
2. Through the operation of noninductive mode, also can maximize lifting function utilization ratio to further solve because the healthy problem that the long-time seat that user's inertia or use habit formed leads to, further guarantee the healthy safety that the user used this lift table.
3. Through the setting of switch module, can freely switch over ordinary speed mode and noninductive mode to adapt to the user's needs under the different states, use more in a flexible way, guarantee convenience and the travelling comfort that the user used.
Drawings
FIG. 1 is a schematic flow chart of the system of the present invention.
Fig. 2 is a flow chart of a non-inductive control system module.
The reference numerals of the main technical features in the figure are as follows: 1. a switch module; 2. a power supply module; 3. a non-inductive control system module; 4. a motor drive module; 5. a motor module; 6. a transmission module; 7. a desktop; 8. a human-computer interaction module; 3.1, a switching signal processing unit; 3.2, an MCU operation unit; 3.3, a PID regulating unit is operated without sensing; 3.4, a PWM generator unit; 3.5, a motor operation parameter calculation unit; 3.6, a rotor position sensor capturing unit; 3.7, a timer unit; 5.1, a rotor position sensor.
Detailed Description
The utility model will be further illustrated by the following description and the accompanying drawings.
As shown in fig. 1, a lifting table control system with non-inductive intelligent regulation comprises a switch module 1, a power module 2, a non-inductive control system module 3, a motor driving module 4, a motor module 5, a transmission module 6 and a table top 7, wherein the non-inductive control module is electrically connected with the switch module 1 through an S1 connecting wire; the motor driving module is electrically connected with the non-inductive control system module 3 through an S3.1 connecting wire and adopts an H-bridge circuit structure; the motor module 5 is electrically connected with the motor driving module through an S4 connecting wire; one end of the transmission module 6 is mechanically connected with the motor module 5 through an S5.1 mechanical connecting piece, wherein the S5.1 mechanical connecting piece can be a common connecting piece such as a common coupler and a common key; the other end of the transmission module 6 is connected with the desktop 7 through an S6 mechanical connecting piece, and the S6 mechanical connecting piece can be a common hinge or other hinge or bolt and nut or other detachable and fixed connecting pieces; the power module 2 is electrically connected with the switch module 1 through an S2.3 connecting wire, is electrically connected with the non-inductive control system module 3 through an S2.1 connecting wire, and is electrically connected with the motor driving module through an S2.2 connecting wire.
Furthermore, the power module 2, the switch module 1, the non-inductive control system module 3, the motor driving module, the human-computer interaction module 8 and the desktop 7 are mechanically connected to realize fixation.
Specifically, the switch module 1 may be a mechanical structure type switch or an electronic structure touch type key, and includes a common lifting function switch, a non-inductive function switch and an initialization switch, where the common lifting function switch and the non-inductive function switch may be an integrated switch having multiple functions, or may be composed of multiple independent switches having separate functions.
Specifically, as shown in fig. 2, the non-inductive control system module 3 includes a switching signal processing unit 3.1, an MCU operation unit 3.2, a non-inductive operation PID adjustment unit 3.3, a PWM generator unit 3.4, and a timer unit 3.7, where the switching signal processing unit 3.1 is electrically connected to the switching module 1 through an S1 connection line; the switching signal processing unit 3.1, the MCU arithmetic unit 3.2, the noninductive operation PID regulating unit 3.3 and the PWM generator unit 3.4 are electrically connected in sequence; the PWM generator unit 3.4 is electrically connected to the motor driving module 4 through an S3.1 connecting wire; the timer unit 3.7 is electrically connected with the MCU arithmetic unit 3.2.
Further, the MCU arithmetic unit 3.2 is electrically connected with a motor operation parameter calculation unit 3.5, and the motor operation parameter calculation unit 3.5 is a motor rotation speed, acceleration and position calculation unit; the motor module 5 is provided with a rotor position sensor 5.1, the rotor position sensor 5.1 is electrically connected with a rotor position sensor capturing unit 3.6, and the rotor position sensor 5.1 is electrically connected with the motor operation parameter calculating unit 3.5 through an S5.2 connecting wire.
Further, the MCU operation unit 3.2 is electrically connected to a human-computer interaction module 8 through an S3.2 connection line, and the human-computer interaction module 8 is one or more of an LED nixie tube, a display screen, an upper computer interface, a bluetooth speaker, and other intelligent interaction modules.
The specific implementation process of the utility model is as follows: as shown in FIGS. 1-2: when the lifting table control system works:
1. and the power supply module 2 is electrified to electrify the switch module 1, the non-inductive control system module 3 and the motor driving module 4.
2. The user presses the initialization switch and the whole lifting table control system is initialized.
3. Selecting a lifting mode of the lifting table: under the default condition, a common lifting function switch is pressed, and the desktop 7 is lifted at the lifting speed of 30 mm/s; when a non-inductive lifting function is selected, a non-inductive function switch is pressed, and the tabletop 7 is lifted at the lifting speed of 1 mm/s; when the non-inductive lifting function is stopped, the non-inductive function switch can be pressed again to turn off the function.
4. After a user presses the non-inductive lifting switch, a switch signal is transmitted to the non-inductive control system module 3 through an S1 connecting line; the non-inductive control system module 3 outputs a corresponding instruction signal according to the preset function of the switch signal, the instruction signal is output to the motor driving module 4, the motor driving module 4 transmits a corresponding power supply to the motor module 5 through an S4 connecting line, after the motor module 5 receives the power supply, the motor starts to rotate, and the rotor position sensor in the motor transmits motor rotor position information to the non-inductive control system module 3 in a telecommunication mode 5.1.
5. After the non-inductive function is started, after the non-inductive control system module 3 receives the rotor position information, the acceleration, the speed and the position of the motor are calculated through a motor operation parameter calculation unit 3.5, then the PWM duty ratio corresponding to the voltage value required by the output target acceleration and speed is calculated according to the preset acceleration and speed real-time comparison, and the PWM duty ratio is supplied to a motor driving module 4 so as to control a power supply to supply power to the motor; the calculation is repeated once every period, and closed-loop control is realized through repeated iterative calculation, so that a non-inductive running state is achieved.
6. In the non-inductive lifting process of the desktop 7, the non-inductive control system module 3 transmits the running state information to the human-computer interaction module 8, and the running state information is displayed in real time according to the state of the human-computer interaction module 8, so that the current using state of a user can be fed back and displayed.
7. After the motor module 5 starts to rotate, the transmission module 6 can stretch and move back and forth to drag the tabletop 7 to move up and down to realize the lifting of the lifting table.
When the non-inductive control system module 3 is in operation:
1. the switching signal processing unit 3.1 receives the switching signal sent by the switching module 1 and transmits the switching signal to the MCU arithmetic unit 3.2; the rotor position sensor capturing unit 3.6 captures a rotor position signal sent by the rotor position sensor, the rotor position signal is transmitted to the motor operation parameter calculating unit 3.5, the motor operation parameter calculating unit 3.5 calculates information such as current speed, acceleration and position of the motor, and then the calculation result is transmitted to the MCU calculating unit 3.2 in a telecommunication mode to serve as a PID input parameter of non-inductive operation adjustment.
2. Noninductive operation PID regulating unit 3.3, using existing algorithm and formula:
err (t) represents: the difference between the current acceleration value and velocity value and the target acceleration value and velocity value, and the integration and differentiation of the last two terms are the err (t); kp is a coefficient, and the coefficient and the difference value are adjusted to be close to the preset acceleration and speed of people infinitely in practical debugging.
3. After the parameters are calculated by the non-inductive operation PID regulating unit 3.3, the result is output to the PWM generator unit 3.4, and the PWM generator outputs a corresponding duty ratio signal. Then the electric signals are transmitted to the motor driving module 4 through the S3.1 connecting line, the motor driving module 4 transmits the corresponding equivalent voltage to the motor, and the motor starts to operate. At the moment, the motor position information can be transmitted to the non-inductive control system module 3 in real time, the motor position is processed at regular intervals to calculate the information such as the rotating speed and the acceleration of the current motor, the information is compared with a preset target value for feedback calculation, the current step is repeatedly calculated in an iterative mode, the purpose that the actual motor acceleration and speed are infinitely close to the target value is achieved, and finally the ultra-low acceleration and the ultra-low constant rotating speed of starting and stopping the motor are achieved.
4. In order to adapt to the starting characteristics of most motors and lifting table structure systems, the target acceleration and speed values of the PID algorithm can be adjusted at will, so that the effect that a user cannot feel the shaking and sound of the lifting of the table top 7 is achieved.
5. When the non-inductive lifting mode is started, the tabletop 7 is lifted and stopped at an ultra-low speed and lifted and regulated according to the steps 1 to 4, and the ultra-low speed (1mm/s) is started to slowly rise for 15cm firstly by default. The cycle was then stopped for 10 minutes, followed by a 15cm drop at ultra low speed (1mm/s) and then stopped for 5 min. During this process, the user may actively turn off this function. Of course, the running speed and the travel range and the stopping time can be set arbitrarily within a reasonable range.
6. After the non-inductive lifting mode is started, the non-inductive running timing closing time can be set at will in the timer unit 3.7, if no one operates for 4 hours, the control system automatically closes the non-inductive function, and the next time the non-inductive lifting mode is started, the non-inductive running timing closing time needs to be manually and actively started.
The above description is only an embodiment of the present invention, but the structural features of the present invention are not limited thereto, and the present invention can be applied to similar products, and any changes or modifications within the scope of the present invention by those skilled in the art are covered by the present invention.
Claims (8)
1. The utility model provides a lift table control system with noninductive intelligent regulation which characterized in that: the lifting table comprises a non-inductive control system module (3) for controlling the lifting of a lifting table in a non-inductive mode, a switch module (1) electrically connected with the non-inductive control system module (3), a motor module (5) for driving the lifting table to lift, a motor driving module (4) electrically connected between the non-inductive control system module (3) and the motor module (5), a table top (7), a transmission module (6) for mechanically connecting the motor module (5) and the table top (7) and a power supply module (2) for providing a power supply, wherein the power supply module (2) is electrically connected with the switch module (1), the non-inductive control system module (3) and the motor driving module (4) respectively.
2. The system of claim 1, wherein the system further comprises: the non-inductive control system module (3) comprises a switch signal processing unit (3.1), an MCU arithmetic unit (3.2), a non-inductive operation PID adjusting unit (3.3) and a PWM generator unit (3.4), the switch signal processing unit (3.1) is electrically connected with the switch module (1), the switch signal processing unit (3.1), the MCU arithmetic unit (3.2), the non-inductive operation PID adjusting unit (3.3) and the PWM generator unit (3.4) are sequentially and electrically connected, the PWM generator unit (3.4) is electrically connected to the motor driving module (4), the MCU arithmetic unit (3.2) is electrically connected with a motor operation parameter calculation unit (3.5), a rotor position sensor (5.1) is arranged on the motor module (5), a rotor position sensor capturing unit (3.6) is electrically connected on the rotor position sensor (5.1), the rotor position sensor (5.1) is electrically connected with the motor operation parameter calculation unit (3.5).
3. The system of claim 2, wherein the table controller is configured to: the non-inductive control system further comprises a timer unit (3.7) used for controlling the timing opening and closing of the non-inductive operation mode, and the timer unit (3.7) is electrically connected to the MCU (microprogrammed control unit) arithmetic unit (3.2).
4. The system of claim 2, wherein the table controller is configured to: the MCU operation unit (3.2) is electrically connected with a human-computer interaction module (8) for feeding back and displaying the real-time state of a user.
5. The system of claim 4, wherein the table controller comprises: the man-machine interaction module (8) adopts one or more intelligent interaction modules among an LED nixie tube, a display screen, an upper computer interface and a Bluetooth sound box.
6. The system of claim 1, wherein the system further comprises: the switch module (1) comprises a common lifting function switch for controlling the common speed of the desktop (7) to rise and fall, a non-inductive function switch for controlling the non-inductive speed of the desktop (7) to rise and fall and an initialization switch, wherein the common lifting function switch and the non-inductive function switch can be an integrated switch with multiple functions or can be divided into a plurality of independent switches with independent functions.
7. The system of claim 6, wherein the table controller comprises: the switch module (1) can be a mechanical structure type switch or an electronic structure touch type key.
8. The system of claim 1, wherein the system further comprises: the motor driving module (4) adopts an H-bridge circuit structure.
Priority Applications (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122041707.5U CN215833802U (en) | 2021-08-27 | 2021-08-27 | Lifting table control system with noninductive intelligent regulation function |
| EP22785915.4A EP4368063A1 (en) | 2021-07-06 | 2022-07-06 | Lifting table control system having imperceptible smart adjustment, and imperceptible smart adjustment control method for lifting table |
| US17/802,779 US20240197070A1 (en) | 2021-07-06 | 2022-07-06 | Lifting desk control system with imperceptible intelligent adjustment function and control method for imperceptible intelligent adjustment of lifting desk |
| PCT/CN2022/104065 WO2023280195A1 (en) | 2021-07-06 | 2022-07-06 | Lifting table control system having imperceptible smart adjustment, and imperceptible smart adjustment control method for lifting table |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122041707.5U CN215833802U (en) | 2021-08-27 | 2021-08-27 | Lifting table control system with noninductive intelligent regulation function |
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| Publication Number | Publication Date |
|---|---|
| CN215833802U true CN215833802U (en) | 2022-02-15 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202122041707.5U Active CN215833802U (en) | 2021-07-06 | 2021-08-27 | Lifting table control system with noninductive intelligent regulation function |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2023280195A1 (en) * | 2021-07-06 | 2023-01-12 | 永艺家具股份有限公司 | Lifting table control system having imperceptible smart adjustment, and imperceptible smart adjustment control method for lifting table |
| CN116954275A (en) * | 2023-07-19 | 2023-10-27 | 广东保伦电子股份有限公司 | Height adjusting method and device for podium, terminal equipment and storage medium |
-
2021
- 2021-08-27 CN CN202122041707.5U patent/CN215833802U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2023280195A1 (en) * | 2021-07-06 | 2023-01-12 | 永艺家具股份有限公司 | Lifting table control system having imperceptible smart adjustment, and imperceptible smart adjustment control method for lifting table |
| CN116954275A (en) * | 2023-07-19 | 2023-10-27 | 广东保伦电子股份有限公司 | Height adjusting method and device for podium, terminal equipment and storage medium |
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