TWM627003U - Adjustable table - Google Patents

Abstract

The present invention discloses a lifting table, which includes a main control module and at least two table legs, and each table leg includes a sub-control module and an execution control module. The sub-control module is electrically connected with the execution control module, and the sub-control module is set to obtain the height information of the table legs in real time through the execution control module. The main control module and the sub-control module are electrically connected, and the main control module is set to obtain the height information of the at least two table legs in real time through the sub-control module, and according to the size relationship between the heights of the at least two table legs A compensation signal is generated, and the main control module is further configured to adjust the height of the table legs through the execution control module of at least one table leg according to the compensation signal, so that the height difference between the table legs of the lifting table is within a first preset range .

Description

lift table

This creative embodiment relates to the technical field of office furniture, for example, to a lift table.

Lifting tables are widely used in ordinary homes and offices. At present, people have higher and higher requirements for lifting tables.

During the lifting and lowering process of the lifting table, the legs of the table may be one high and the other is low. However, when the problem cannot be found early when the difference between the heights of the table legs occurs, it will make the difference between the heights of the table legs reach a certain level. , so that the control module of the lifting table loses control, and the lifting table stops lifting due to failure or forced power failure.

This creation provides an elevating table, so that the problem of height inconsistency between table legs can be found early during the lifting process of the elevating table, and automatic adjustment can be performed to reduce the difference between the heights of the table legs.

This creative embodiment provides a lift table, including a main control module and at least two table legs, each table leg includes a sub-control module and an execution control module; The sub-control module is electrically connected with the execution control module, and the sub-control module is configured to obtain the height information of the table legs in real time through the execution control module; The main control module is electrically connected with the sub-control module, and the main control module is configured to obtain the height information of the at least two table legs in real time through the sub-control module, and according to the at least two The size relationship between the heights of the table legs generates a compensation signal, and the main control module is further configured to adjust the height of the table legs through at least one execution control module of the table legs according to the compensation signal so as to make all the table legs The height difference between the legs of the lifting table is within a first preset range.

The present creation will be described in detail below in conjunction with the drawings and embodiments.

FIG. 1 is a schematic structural diagram of a lift table according to an embodiment of the present invention. Referring to FIG. 1 , the lift table includes: a main control module 100 and at least two table legs, each table foot includes a sub-control module 210, an execution control module group 220; The sub-control module 210 is electrically connected with the execution control module 220, and the sub-control module 210 is configured to obtain the height information of the table legs in real time through the execution control module 220; The main control module 100 is electrically connected with the sub-control module 210, and the main control module 100 is configured to obtain the height information of at least two table legs in real time through the sub-control module 210, according to the size between the heights of the at least two table legs The relationship generates a compensation signal, and the main control module 100 is further configured to adjust the height of the table legs through the execution control module 220 of at least one table leg according to the compensation signal, so that the height difference between the table legs of the lifting table is within the first preset value. within the setting range.

Exemplarily, both the main control module 100 and the sub-control module 210 may be a single chip, and the execution control module 220 may include a motor and a motor controller. 210 Upload the number of revolutions of the motor to the main control module 100, and the main control module 100 calculates the height of the corresponding table foot according to the number of revolutions of the motor. Alternatively, the execution control module 220 includes a motor, a motor controller, and a height sensor. The height sensor can read the height of the table legs in real time, and transmit the acquired height to the main control module 100 through the sub-control module 210, and then the main control module 100 can acquire the height of the corresponding table legs.

The elevating table includes at least two table legs, and this embodiment exemplarily shows that the elevating table includes two table legs. The main control module 100 can obtain the height of each table leg through the execution control module 220 of each table leg, and when there is a difference between the heights of the table legs, a compensation signal is generated, and the execution control module is passed according to the compensation signal. 220 Adjust the height of the table legs so that the difference in height between the table legs of the lifting table is within a first preset range. Exemplarily, when the main control module 100 obtains that the height of the table leg 1 is greater than the height of the table leg 2 during the rising process of the lifting table, the execution control module 220 corresponding to the table leg 1 controls the table leg 1 to stop rising. , the table foot 2 continues to rise until the main control module 100 obtains that the height of the table foot 1 is equal to the height of the table foot 2, and controls the table foot 1 to continue to rise through the execution control module 220 corresponding to the table foot 1. The difference in height between the small table legs. The size of the first preset range can be limited by the user according to requirements.

Exemplarily, when the elevating table includes three table legs: table foot 1, table foot 2 and table foot 3, during the process of the lifting table rising, the main control module 100 obtains that the height of table foot 1 is greater than that of table foot 2. height, when the height of the table leg 2 is greater than the height of the table leg 3, the main control module 100 controls the table leg 1 to stop rising through the execution control module 220 corresponding to the table leg 1, and controls the execution control module 220 corresponding to the table leg 2 The table foot 2 stops rising, and the table foot 3 keeps rising until the main control module 100 obtains that the height of the table foot 2 is equal to the height of the table foot 3, and controls the table foot 2 to continue to rise through the execution control module 220 corresponding to the table foot 2 , when the main control module 100 obtains that the height of the table foot 1 is equal to the height of the table foot 2 and the table foot 3, the execution control module 220 corresponding to the table foot 1 controls the table foot 1 to continue to rise. In other embodiments, when the number of table legs is 4 or other values, the process of automatic adjustment refers to the above process.

The present creative embodiment obtains the size relationship between the heights of the table legs in real time, so as to adjust the height of the table legs by executing the control module when there is a difference in the heights between the table legs, so as to reduce the difference as much as possible. The lift table provided by this creative embodiment can detect the difference between the heights of the table legs during the lifting process at an early stage, and automatically adjust to reduce the difference between the heights of the table legs, thereby reducing the occurrence of the forced power failure of the lift table. .

Referring to FIG. 1 , optionally, the main control module 100 is configured to generate a value when the difference between the heights of any two of the at least two table legs is greater than or equal to the first threshold and less than or equal to the second threshold. The compensation signal is used to adjust the height of the table legs through the execution control module 220 of at least one table leg according to the compensation signal, so that the height difference between the table legs of the lifting table is within a first preset range.

The first threshold and the second threshold can be set according to requirements. Exemplarily, the first threshold may be set to 1 mm, and the second threshold may be set to 3 mm. When the difference between the heights of the two table legs obtained by the main control module 100 is greater than or equal to 1 mm and less than or equal to 3 mm, a compensation signal is generated, and the execution control module 220 of at least one table foot adjusts the height of the table legs according to the compensation signal. The height is such that the height difference between the legs of the lift table is within a first preset range.

Referring to FIG. 1 , optionally, the main control module 100 is further configured to generate a fault signal when the height difference between any two of the at least two table legs is greater than the second threshold, and execute the fault signal according to the fault signal. The control module 220 controls the table legs to stop raising and lowering.

When the main control module 100 automatically adjusts the height of the table legs so that the height difference between the table legs of the lifting table is within the first preset range, but the automatic adjustment cannot further reduce the difference, the difference between the table legs The height difference between the at least two table legs becomes larger and larger, and when the difference between the heights of any two table legs of the at least two table legs is greater than the second threshold, the main control module 100 generates a fault signal, and executes the control module according to the fault signal. The group 220 controls all the table legs to stop raising and lowering, in order to prevent further failure of the table legs caused by further raising and lowering.

Referring to FIG. 1 , optionally, the lift table further includes an alarm module 700 . The alarm module 700 is electrically connected to the main control module 100 , and the main control module 100 is configured to control the alarm module 700 to alarm according to the fault signal. Exemplarily, the alarm module 700 can be a buzzer or an indicator light. When the alarm module 700 is a buzzer, the main control module 100 controls the buzzer to sound. The control indicator light of the control module 100 flashes. The alarm module 700 can issue an alarm message to warn the user of the failure of the elevating table when the elevating table fails, so that the user can timely know that the elevating table has failed, and then take action to avoid the failure continuing to exist and causing damage to the elevating table.

FIG. 2 is a schematic structural diagram of another lifting table provided in this creative embodiment. Referring to FIG. 2 , optionally, each table leg further includes a data acquisition module 230 , and the data acquisition module 230 is electrically connected to the sub-control module 210 , the data acquisition module 230 is configured to acquire parameter information of each table leg, and the parameter information at least includes the height of the highest position, the height of the lowest position and the stroke of the leg.

Exemplarily, the data acquisition module 230 can be directly electrically connected to the sub-control module 210, the data acquisition module 230 can be a grating ruler sensor, and the grating ruler sensor can acquire the height of the highest position and the lowest position of the corresponding table legs. height and stroke. Wherein, the height of the highest position is the length of the table leg when the length of the table leg is extended to the longest, and the height of the lowest position is the length of the table leg when the length of the table leg is shortened to the shortest. After the grating ruler sensor obtains the travel of the table legs, the running distance of the table legs in unit time can be obtained through the travel.

FIG. 3 is a schematic structural diagram of another lifting table provided in this creative embodiment. Referring to FIG. 3, optionally, each table leg further includes a memory module 240. The memory module 240 is electrically connected to the sub-control module 210, and the memory module 240 is The module 240 is also electrically connected with the data acquisition module 230, and the memory module 240 is configured to memorize the parameter information of each table leg.

Optionally, in this embodiment, the data acquisition module 230 is indirectly connected with the sub-control module 210 , and the data acquisition module 230 is connected with the sub-control module 210 through the memory module 240 . The memory module 240 not only memorizes the parameter information of each table leg, but also memorizes the production date, production batch number and other information of each table leg.

FIG. 4 is a schematic structural diagram of another lifting table provided in this creative embodiment. Referring to FIG. 4 , optionally, the lifting table further includes a communication module 300. The communication module 300 is connected to the main control module 100. The main control module 100 is configured to transmit the fault signal and the parameter information of each table leg to the background through the communication module 300 .

Exemplarily, the communication module 300 may be a USB module, or may be WIFI or Bluetooth, that is, the communication module 300 and the main control module 100 may be wired or wirelessly connected, which is not described in this embodiment. limited. The parameter information of the table legs obtained by the data acquisition module 230 is directly or indirectly transmitted to the main control module 100. The direct method is that the data acquisition module 230 transmits the parameter information to the main control module through the sub-control module 210. In the group 100 , the data acquisition module 230 first transmits the information to the memory module 240 , and the memory module 240 then transmits the parameter information to the main control module 100 via the sub-control module 210 . This embodiment schematically shows that the parameter information of the table legs acquired by the data acquisition module 230 is transmitted to the main control module 100 in an indirect manner.

When the lifting table is assembled in the early stage, the parameter information of each table leg can be obtained through the background. Assemble at least two perfectly matched table legs according to the parameter information of each table foot. Exemplarily, when the lift table includes two table legs, it is determined according to the background that the highest height of the table leg 1 is 1mm greater than the first standard height, the lowest height is 1mm greater than the second standard height, and the action distance of the table legs per unit time is 2cm . The highest height of the table legs 2 is 1mm greater than the first standard height, the lowest height is 1mm greater than the second standard height, and the movement distance of the table legs per unit time is 2cm. The parameter information of table foot 1 and table foot 2 match, and table foot 1 and table foot 2 can be assembled. Wherein, the first standard height is the set standard height value of the highest height that the table legs can rise, and the second standard height is the set standard height value of the lowest height that the table legs can descend. Although table leg 1 and table leg 2 deviate from the standard height, the degree of deviation is the same, which reduces the defect rate during production and improves the qualification rate of the lifting table.

When there is a problem with one of the table legs in the assembled lifting table, the background determines the faulty table foot according to the fault signal, and finds the table foot that matches the faulty table foot and replaces it.

FIG. 5 is a schematic structural diagram of another lift table provided in this creative embodiment. Referring to FIG. 5, optionally, the communication module 300 includes a port unit, and the port unit at least includes a first port 310 and a second port 320. The first port The first end of 310 is electrically connected to the main control module 100, the second end of the first port 310 is electrically connected to the computer 01, and the main control module 100 is also set to control the main control according to the obtained lift table idle signal generated by the computer 01. The module 100 enters the sleep mode and controls the lift table to adjust to the sleep height; The first end of the second port 320 is electrically connected to the main control module 100 , and the second end of the second port 320 is electrically connected to the mobile device 02 .

Exemplarily, the port units are all USB ports. The lift table is electrically connected to the computer 01 through the first port 310 . The computer 01 can generate the idle signal of the lift table according to the motion signal of the computer accessories. Exemplarily, when the computer 01 obtains that the mouse or keyboard connected to it does not respond within the set time, it is determined that the computer 01 is not in use, and an idle signal of the desk is generated. for 5 minutes. The computer 01 transmits the generated lift table idle signal to the main control module 100 of the lift table. After receiving the lift table idle signal, the main control module 100 determines that no one uses the lift table, and controls the lift table to sleep by executing the control module 220 height, and control itself into sleep mode to save power consumption of the desk. The sleep height is the height of the lift table when no one uses the lift table.

The mobile device 02 is connected to the main control module 100 through the second port 320, and the computer 01 is connected to the main control module 100 through the first port 310, then the mobile device 02 can be connected to the computer 01 through the port unit, and the computer 01 and The mobile device is connected to the port unit at the same time, so as to realize the interaction between the computer 01 and the mobile device 02, and solve the inconvenience when the mobile device 02 and the computer 01 are connected.

FIG. 6 is a schematic structural diagram of another lifting table provided in this creative embodiment. Referring to FIG. 6 , optionally, the execution control module 220 includes a motor control unit 221 and a motor 222 , and the first terminal of the motor control unit 221 and the sub-controller The module 210 is electrically connected, and the second end of the motor control unit 221 is electrically connected to the motor 222 .

When the main control module 100 controls the lifting and lowering of the table, the sub-control module 210 transmits a signal for controlling the lifting of the table legs to the motor control unit 221, and the motor control unit 221 controls the motor to run to drive the table legs to move.

FIG. 7 is a schematic structural diagram of another lifting table provided by this creative embodiment. Referring to FIG. 7, optionally, the lifting table further includes a function triggering module 400, a function triggering module 400 and a main control module 100 is electrically connected, and the main control module 100 is configured to control and memorize the height of the user according to the action signal received by the function triggering module 400 and control the lift table to adjust to the memorized height of the user.

The function triggering module 400 may be a button or a touch screen, which is not limited in this embodiment. The main control module 100 can control and memorize the height of the lifting table according to the type of different signals received from the function trigger module, and when receiving the signal, control the lifting table to adjust to the height of the user corresponding to the signal.

FIG. 8 is a schematic structural diagram of another elevating table provided in this creative embodiment. Referring to FIG. 8, optionally, the elevating table further includes a detection module 500. The detection module 500 is electrically connected to the main control module 100, and the detection module 500 is configured to detect whether there is a user within the second preset range of the lift table.

Exemplarily, the detection module 500 may be an infrared sensor, configured to determine whether there is a user in front of the lifting table according to the obtained infrared signal. The main control module 100 can control the main control module 100 to enter the sleep mode and control the lift table to adjust to the sleep height when it is determined according to the acquired infrared signal that there is no user within the set time.

8 , optionally, the lift table further includes a display module 600 , the display module 600 is electrically connected to the main control module 100 , and the display module 600 is configured to display the height of the lift table.

Exemplarily, the display module 600 can be a digital tube, and is set to display the height of the lift table in real time.

This creation requires the priority of the Chinese patent application with the application number 202122004526.5 submitted to the China Patent Office on August 24, 2021, and the entire content of the application is incorporated into this creation by reference.

01: Computer 02: Mobile Devices 100: main control module 210: Sub-control module 220: Execute control module 221: Motor control unit 222: Motor 230: Data acquisition module 240: Memory Module 300: Communication module 310: first port 320: second port 400: Function trigger module 500: Detection module 600: Display module 700: Alert Module

[Fig. 1] is a schematic structural diagram of a lift table provided in an embodiment of the present invention. [Fig. 2] is a schematic structural diagram of another lift table provided by the embodiment of the present invention. [Fig. 3] is a schematic structural diagram of another lift table provided by the embodiment of the present invention. [Fig. 4] is a schematic structural diagram of another lift table provided by the embodiment of the present invention. [Fig. 5] is a schematic structural diagram of another lift table provided by the embodiment of the present invention. [Fig. 6] is a schematic structural diagram of another lift table provided by the embodiment of the present invention. [Fig. 7] is a schematic structural diagram of another lift table provided by the embodiment of the present invention. [Fig. 8] is a schematic structural diagram of another lift table provided by the embodiment of the present invention.

100: main control module

210: Sub-control module

220: Execute control module

700: Alert Module

Claims (10)

A lift table is characterized by comprising a main control module and at least two table legs, and each table leg includes a sub-control module and an executive control module; The sub-control module is electrically connected with the execution control module, and the sub-control module is configured to obtain the height information of the table legs in real time through the execution control module; The main control module is electrically connected with the sub-control module, and the main control module is configured to obtain the height information of the at least two table legs in real time through the sub-control module, and according to the height difference of the at least two table legs A compensation signal is generated according to the size relationship between the main control modules, and the main control module is also configured to adjust the height of the table legs through at least one execution control module of the table legs according to the compensation signal to make the height between the table legs of the lifting table equal. The difference is within a first preset range. The lifting table of claim 1, wherein the main control module is configured such that the difference between the heights of any two of the at least two table legs is greater than or equal to a first threshold and less than or equal to a second In the case of the threshold value, the compensation signal is generated, and the height of the table foot is adjusted through at least one execution control module of the table foot according to the compensation signal, so that the height difference between the table feet of the lifting table is within the first preset value. within the setting range. The lifting table of claim 2, wherein the main control module is further configured to generate a fault when the height difference between any two of the at least two table legs is greater than the second threshold The signal is used to control the at least two table legs to stop lifting and lowering through the execution control module according to the fault signal. The lifting table of claim 3, wherein each of the table legs further includes a data acquisition module, the data acquisition module is electrically connected to the sub-control module, and the data acquisition module is configured to acquire each table The parameter information of the foot, the parameter information at least includes the height of the highest position, the height of the lowest position and the stroke of the table foot. The lifting table of claim 4, wherein each of the table legs further includes a memory module, the memory module is electrically connected to the sub-control module, and the memory module is also electrically connected to the data acquisition module, The memory module is set to memorize the parameter information of each of the table legs. The lifting table according to claim 4, further comprising a communication module, the communication module is connected with the main control module, and the main control module is configured to pass the communication module to the fault signal and each of the The parameter information of the table foot is transmitted to the background. The lifting table of claim 6, wherein the communication module includes a port unit, the port unit at least includes a first port and a second port, and the first end of the first port is electrically connected to the main control module, The second end of the first port is electrically connected with the computer, and the main control module is further configured to control the main control module to enter the sleep mode and control the lift table to adjust to the sleep height according to the obtained lift table idle signal generated by the computer; The first end of the second port is electrically connected to the main control module, and the second end of the second port is electrically connected to the mobile device. The lifting table of claim 1, wherein the execution control module includes a motor control unit and a motor, a first end of the motor control unit is electrically connected to the sub-control module, and a second end of the motor control unit is electrically connected to the sub-control module. The motor is electrically connected. The lifting table according to claim 1, further comprising a function trigger module, the function trigger module is electrically connected with the main control module, and the main control module is set to be based on the action received by the function trigger module The signal controls memorize the height of the user and controls the lifting table to adjust to the memorized height of the user. The lifting table of claim 1, further comprising a detection module, the detection module is electrically connected with the main control module, and the detection module is configured to detect whether the lifting table is within the second preset range of the lifting table. User exists.

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