WO2022166699A1 - 电动升降桌的控制系统及电动升降桌 - Google Patents

电动升降桌的控制系统及电动升降桌 Download PDF

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Publication number
WO2022166699A1
WO2022166699A1 PCT/CN2022/073948 CN2022073948W WO2022166699A1 WO 2022166699 A1 WO2022166699 A1 WO 2022166699A1 CN 2022073948 W CN2022073948 W CN 2022073948W WO 2022166699 A1 WO2022166699 A1 WO 2022166699A1
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Prior art keywords
measurement voltage
terminal
circuit
voltage
resistor
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PCT/CN2022/073948
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English (en)
French (fr)
Inventor
李龙
刘辉
Original Assignee
德沃康科技集团有限公司
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Application filed by 德沃康科技集团有限公司 filed Critical 德沃康科技集团有限公司
Priority to EP22748978.8A priority Critical patent/EP4266136A4/en
Priority to AU2022217289A priority patent/AU2022217289A1/en
Priority to US18/276,286 priority patent/US20240111267A1/en
Publication of WO2022166699A1 publication Critical patent/WO2022166699A1/zh

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    • G—PHYSICS
    • G05—CONTROLLING; REGULATING
    • G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
    • G05B19/00—Programme-control systems
    • G05B19/02—Programme-control systems electric
    • G05B19/18—Numerical control [NC], i.e. automatically operating machines, in particular machine tools, e.g. in a manufacturing environment, so as to execute positioning, movement or co-ordinated operations by means of programme data in numerical form
    • G05B19/4155—Numerical control [NC], i.e. automatically operating machines, in particular machine tools, e.g. in a manufacturing environment, so as to execute positioning, movement or co-ordinated operations by means of programme data in numerical form characterised by programme execution, i.e. part programme or machine function execution, e.g. selection of a programme
    • G—PHYSICS
    • G05—CONTROLLING; REGULATING
    • G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
    • G05B19/00—Programme-control systems
    • G05B19/02—Programme-control systems electric
    • G05B19/04—Programme control other than numerical control, i.e. in sequence controllers or logic controllers
    • G05B19/042—Programme control other than numerical control, i.e. in sequence controllers or logic controllers using digital processors
    • G—PHYSICS
    • G05—CONTROLLING; REGULATING
    • G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
    • G05B19/00—Programme-control systems
    • G05B19/02—Programme-control systems electric
    • G05B19/04—Programme control other than numerical control, i.e. in sequence controllers or logic controllers
    • G05B19/042—Programme control other than numerical control, i.e. in sequence controllers or logic controllers using digital processors
    • G05B19/0423—Input/output
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47B—TABLES; DESKS; OFFICE FURNITURE; CABINETS; DRAWERS; GENERAL DETAILS OF FURNITURE
    • A47B9/00—Tables with tops of variable height
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R19/00—Arrangements for measuring currents or voltages or for indicating presence or sign thereof
    • G01R19/0084—Arrangements for measuring currents or voltages or for indicating presence or sign thereof measuring voltage only
    • G—PHYSICS
    • G05—CONTROLLING; REGULATING
    • G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
    • G05B2219/00—Program-control systems
    • G05B2219/20—Pc systems
    • G05B2219/24—Pc safety
    • G05B2219/24215—Scada supervisory control and data acquisition
    • G—PHYSICS
    • G05—CONTROLLING; REGULATING
    • G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
    • G05B2219/00—Program-control systems
    • G05B2219/30—Nc systems
    • G05B2219/45—Nc applications
    • G05B2219/45014—Elevator, lift

Definitions

  • the present application relates to the technical field of electric lift tables, for example, to a control system of an electric lift table and an electric lift table.
  • the present application provides a control system for an electric lifting table and an electric lifting table, which improves the connection between the controller and the column to be controlled, realizes the judgment of the number and type of the column by the controller, and reduces the management cost.
  • the application provides a control system for an electric lift table, the electric lift table includes at least one upright column, and the control system includes:
  • the controller includes a microprocessor, a measurement voltage collection circuit, and a measurement voltage collection terminal, and an input end and an output end of the measurement voltage collection circuit are respectively connected to the measurement voltage collection terminal and the microprocessor;
  • a motor drive circuit configured to drive the at least one column to rise and fall
  • the motor drive circuit includes a measurement voltage generating circuit and a measurement voltage output terminal, and an output end of the measurement voltage generation circuit is electrically connected to the measurement voltage output terminal; wherein , when the number of uprights and/or the types of uprights of the electric lift table are different, the measured voltage values output by the measurement voltage generating circuit are different;
  • the measurement voltage collection terminal is electrically connected to the measurement voltage output terminal; the microprocessor is configured to determine whether the controller is connected to the motor drive circuit according to the voltage signal provided by the measurement voltage collection circuit, and Determine the number of posts and/or type of posts.
  • the present application also provides an electric lift table, including the above-mentioned control system and at least one upright column.
  • FIG. 1 is a schematic structural diagram of a control system for an electric lift desk provided by an embodiment of the application;
  • FIG. 2 is a schematic diagram of circuit connection of a control system for an electric lift desk provided by an embodiment of the application;
  • FIG. 3 is an equivalent circuit diagram of a control system for an electric lift desk provided by an embodiment of the present application.
  • FIG. 4 is a schematic structural diagram of an electric lift table provided by an embodiment of the present application.
  • FIG. 1 is a schematic structural diagram of a control system for an electric lift table provided by an embodiment of the application.
  • the control system 100 includes a controller 101 and a motor drive circuit 102 , and the controller 101 includes a microprocessor 103,
  • the measurement voltage collection circuit 104 and the measurement voltage collection terminal 105 are respectively connected to the input end and the output end of the measurement voltage collection circuit 104 to the measurement voltage collection terminal 105 and the microprocessor 103 .
  • the motor drive circuit 102 is configured to drive at least one column up and down, the motor drive circuit includes a measurement voltage generation circuit 106 and a measurement voltage output terminal 107, and the output end of the measurement voltage generation circuit 106 is electrically connected to the measurement voltage output terminal 107;
  • the measurement voltage acquisition terminal 105 is electrically connected with the measurement voltage output terminal 107;
  • the microprocessor 103 is configured to collect the circuit 104 according to the measurement voltage
  • the provided voltage signal determines whether the controller 101 is connected to the motor drive circuit 102, and is also configured to determine the number of uprights and/or the type of uprights of the electric lift table.
  • the microprocessor 103 can be a single-chip microcomputer, built in the controller 101, and configured to analyze and process the voltage signal provided by the measurement voltage acquisition circuit 104, determine the connection relationship between the motor drive circuit 102 and the controller 101, and then pass the number of different columns and /or different measurement voltages provided by the motor drive circuit corresponding to the column type, to judge and determine the number and/or type of the column driven by the motor drive circuit 102 .
  • the port where the microprocessor 103 is electrically connected to the measurement voltage acquisition circuit 104 is a digital-to-analog conversion port, and the digital-to-analog conversion port is set to convert the received voltage signal into a digital signal, so that the microprocessor 103 can analyze and process the digital signal.
  • the judgment is to determine the measurement voltage provided by the measurement voltage generating circuit 106 of the motor driving circuit 102, so as to determine the number of columns and/or column types corresponding to the connected motor driving circuit 102 according to different measurement voltages.
  • the number of the measurement voltage collection terminals 105 and the measurement voltage output terminals 107 can be multiple, the measurement voltage collection terminals 105 are electrically connected with the measurement voltage output terminals 107 in one-to-one correspondence, and the measurement voltage collection terminals 105 are connected with the measurement voltage output terminals. 107 can be set according to actual needs.
  • the control system 100 provided in this embodiment of the present application includes a controller 101 and at least one motor drive circuit 102 , the controller 101 is provided with at least one hole, each hole is set to install a column, and each motor drive circuit 102 is set to a column
  • the number of motor driving circuits 102 in the control system 100 is the same as the number of holes
  • at least one motor driving circuit 102 is in one-to-one correspondence with at least one hole
  • each motor driving circuit 102 is provided in the motor driving circuit
  • the controller 101 and the motor driving circuit 102 of the column form a loop, so that there is a corresponding equivalent resistance value in the motor driving circuit 102 of the column. Therefore, according to the equivalent resistance value in the motor driving circuit 102, it can be determined whether a column is installed in the hole of the controller 101.
  • the number of measurement voltage collection circuits 104 and measurement voltage collection terminals 105 in the controller 101 is the same as the number of holes provided on the controller 101 , and at least one measurement voltage collection circuit 104 is connected to at least one measurement voltage collection terminal 105 in one-to-one correspondence. , at least one measurement voltage collection terminal 105 is in one-to-one correspondence with at least one hole, and each measurement voltage collection terminal 105 is set to be connected to the motor drive circuit 102 of the column when a column is installed in the hole corresponding to the measurement voltage collection terminal 105 connect.
  • the microprocessor 103 is configured to determine whether the measurement voltage collection terminal 105 connected to the measurement voltage collection circuit 104 is connected to the motor drive circuit 102 according to the voltage signal provided by each measurement voltage collection circuit 104, and then determine the measurement voltage collection terminal 105 Whether a column is installed in the corresponding hole, and when it is determined that a column is installed in the hole corresponding to the measurement voltage collecting terminal 105 , the microprocessor 103 can also determine the type of the column according to the equivalent resistance value.
  • FIG. 1 is only a schematic structural diagram of a set of measurement voltage collection circuits 104 and measurement voltage collection terminals 105 in the controller 101 connected to a motor drive circuit 102 .
  • the structural diagram shown in FIG. 1 is used to determine a hole on the control system 100 Whether a post is installed in the hole, and if a post is installed in the hole, determine the type of post.
  • FIG. 2 is a schematic diagram of circuit connections of a control system for an electric lift table provided by an embodiment of the present application.
  • the measurement voltage acquisition circuit 104 includes a first resistor R1, and the first resistor R1 is a first resistor R1.
  • the terminal is electrically connected to the power supply voltage terminal VCC, and the second terminal of the first resistor R1 is electrically connected to both the measurement voltage collection terminal 105 and the microprocessor 103 .
  • the controller 101 further includes a first ground terminal 11, the motor drive circuit 102 further includes a second ground terminal 12, and the second ground terminal 12 is connected to the first ground terminal 11;
  • the measurement voltage generating circuit 106 includes a second resistor R2, The first end of the second resistor R2 is electrically connected to the second ground terminal, and the second end of the second resistor R2 is electrically connected to the measurement voltage output terminal 107;
  • the resistance value of the second resistor R2 corresponds to the number of the posts and the type of the posts.
  • the resistance value of the first resistor R1 and the resistance value of the second resistor R2 are the same or different.
  • the resistance value of the first resistor R1 is a fixed value, for example, the resistance value of the first resistor R1 can be 10K, 20K, etc. It is convenient to set the resistance value of the first resistor R1 to a fixed value during the measurement process.
  • the microprocessor 103 performs its functions to ensure the accuracy of the measurement results.
  • the first end of the second resistor R2 is electrically connected to the second ground terminal 12
  • the second end of the second resistor R2 is electrically connected to the measurement voltage output terminal 107 .
  • the controller 101 further includes a first ground terminal 11, the first ground terminal 11 is electrically connected to the second ground terminal 12, and both the first ground terminal 11 and the second ground terminal 12 are connected to the ground terminal GND.
  • the second resistor R2 can be correspondingly set according to different column types, and the resistance values of the second resistor R2 corresponding to different column types are different, so as to ensure the accuracy of the judgment result of the microprocessor 102 .
  • the resistance value of the first resistor R1 and the resistance value of the second resistor R2 may be the same or different, both of which can ensure the accuracy of the measurement result.
  • the microprocessor 103 is configured to compare the voltage signal provided by the measurement voltage acquisition circuit 104 with the power supply voltage signal, and when the voltage signal provided by the measurement voltage acquisition circuit 104 is equal to the power supply voltage signal, determine the controller 101 and the motor drive circuit. 102 is disconnected; when the voltage signal provided by the measurement voltage acquisition circuit 104 is smaller than the power supply voltage signal, it is determined that the controller 101 is connected to the motor drive circuit 102 .
  • FIG. 2 also only shows a schematic circuit connection diagram of a set of measurement voltage collection circuits 104 and measurement voltage collection terminals 105 in the controller 101 connected to one motor drive circuit 102 .
  • the resistance value of the second resistor R2 is the equivalent resistance value in the motor driving circuit 102 .
  • the resistance value of the second resistor R2 corresponds to the number of columns and the column type, which means that according to the resistance value of the second resistor R2, it can be determined whether the column where the motor driving circuit 102 is located is installed in the hole, and whether the column where the motor driving circuit 102 is located can be determined.
  • the type of the column can be determined according to the resistance value of the second resistor R2.
  • the resistance value of the second resistor R2 changes according to whether the column is installed and the type of the column to be installed.
  • the fact that the controller 101 is disconnected from the motor driving circuit 102 actually means that the holes corresponding to the controller 101 are not installed with uprights, which is equivalent to that the resistance value corresponding to the second resistor R2 is infinite.
  • the connection between the controller 101 and the motor driving circuit 102 actually means that a column is installed in the hole corresponding to the controller 101 , that is, in FIG. 2 , the resistance value corresponding to the second resistor R2 corresponds to the column type.
  • FIG. 3 is an equivalent circuit diagram of a control system for an electric lift desk provided by an embodiment of the present application.
  • the measurement voltage generating circuit 106 is determined by the second resistor R2. Since the measurement voltage collection terminal 105 is electrically connected to the measurement voltage output terminal 107, the measurement voltage output terminal 107 outputs a voltage signal corresponding to the second resistor R2, and the measurement voltage collection terminal 105 receives the measurement voltage The output terminal 107 outputs the voltage signal corresponding to the second resistor R2, and the microprocessor 103 receives the voltage signal corresponding to the second resistor R2 and the voltage signal of the first resistor R1. As shown in FIG. 3, the first resistor R1 and the second resistor R2 is connected in parallel.
  • the voltage signal corresponding to the second resistor R2 is infinite, and the voltage signal received by the microprocessor 103 is equal to the power supply voltage, that is, the measured voltage output of the motor drive circuit 102 at this time
  • the terminal 107 is not connected to the post.
  • the controller 101 is connected to the motor drive circuit 102, the first resistor R1 and the second resistor R2 are connected in parallel to form a voltage divider effect.
  • the voltage signal received by the microprocessor 102 is less than the power supply voltage, that is, the measurement of the motor drive circuit 102 at this time.
  • the voltage output terminal 107 is connected to the column.
  • the number of uprights is greater than or equal to zero; the types of uprights include at least one of two-section uprights and three-section uprights.
  • the number of uprights in the control system 100 can be designed according to actual requirements, and can be a single upright, two uprights, three uprights, four uprights, and so on. It is determined that the number of columns connected to the measurement voltage output terminal 107 of the motor driving circuit 102 may be zero.
  • the column types may include two columns and three columns. For example, the resistance value of the second column corresponding to the second resistor R2 may be 10K, and the resistance value of the third column corresponding to the second resistance R2 may be 20K.
  • the number of corresponding columns can be combined according to the needs of column types.
  • the power supply voltage VCC is 3.3V, 5V or 12V.
  • the voltage value of the power supply voltage VCC is generally the same as the power supply voltage of the microprocessor 103 in the controller 101 , which reduces the types of external power supplies and reduces the cost.
  • the resistance value determine the resistance value of the second resistor R1, and then determine the column number and/or column type of the electric lift table according to the corresponding relationship between the resistance value of the second resistor R1 and the column number and/or column type.
  • different types of uprights correspond to different resistance values of the second resistor R2 , so the microprocessor 103 can analyze the received voltage signals according to the different received The voltage signal value corresponding to the column type determines the column type.
  • the resistance value of the first resistor R1 is 10K
  • the resistance value of the second resistor R2 corresponding to the two columns is 10K
  • the resistance value of the second resistor R2 corresponding to the three columns is 20K
  • the power supply voltage VCC is 5V
  • the microprocessor 103 It is preset in that when the resistance value of the second resistor R2 is 10K, the voltage signal value provided by the corresponding measurement voltage acquisition circuit 104 is 2.5V, and when the resistance value of the second resistor R2 is 20K, the corresponding voltage signal value provided by the measurement voltage acquisition circuit 104 The voltage signal value is 3.33V.
  • the column type is a three-section column.
  • the controller 101 further includes a forward rotation voltage terminal M+, a reverse rotation voltage terminal M-, a Hall signal terminal HALL, and a Hall signal power supply terminal VCC_HALL;
  • the reverse voltage terminal M- is set to transmit the reverse rotation signal of the motor electrically connected to the control motor drive circuit 102;
  • the Hall signal terminal HALL is set to transmit the rotor position signal of the motor;
  • the Hall signal power supply Terminal VCC_HALL is set to connect an external device that powers the Hall sensors inside the motor.
  • the motor driving circuit 102 is also provided with a forward rotation voltage terminal M+, a reverse rotation voltage terminal M ⁇ , a first Hall signal terminal HALL1 , a second Hall signal terminal HALL2 and a Hall signal terminal.
  • the power supply terminal VCC_HALL has a one-to-one correspondence with ports of the same type, which ensures the correct and orderly transmission of multiple signals, which is beneficial for the controller 101 to output control signals to control the operation of the motor driving circuit 102, thereby adjusting the vertical column lift.
  • the present application provides a control system for an electric lifting table and an electric lifting table.
  • the electric lifting table includes at least one column.
  • the control system includes a controller and a motor drive circuit.
  • the controller includes a microprocessor, a measurement voltage acquisition circuit, and a measurement voltage acquisition circuit. terminal.
  • the motor drive circuit is configured to drive at least one column to rise and fall, and the motor drive circuit includes a measurement voltage generating circuit and a measurement voltage output terminal.
  • FIG. 4 is a schematic structural diagram of an electric lift table provided by an embodiment of the application.
  • the electric lift table 200 includes the control system in any of the above embodiments. 100 and at least one column.

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  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Automation & Control Theory (AREA)
  • Human Computer Interaction (AREA)
  • Manufacturing & Machinery (AREA)
  • Control Of Electric Motors In General (AREA)
  • Load-Engaging Elements For Cranes (AREA)
  • Tables And Desks Characterized By Structural Shape (AREA)
  • Forklifts And Lifting Vehicles (AREA)

Abstract

公开了一种电动升降桌的控制系统(100)及电动升降桌(200)。电动升降桌(200)包括至少一个立柱，控制系统(100)包括控制器(101)和马达驱动电路(102)，控制器(101)包括微处理器(103)、测量电压采集电路(104)和测量电压采集端子(105)。马达驱动电路(102)设置为驱动至少一个立柱升降，马达驱动电路(102)包括测量电压产生电路(106)和测量电压输出端子(107)。其中，在电动升降桌(200)的立柱数量和/或立柱类型不同时，测量电压产生电路(106)输出的测量电压值不同；测量电压采集端子(105)与测量电压输出端子(107)电连接；微处理器(103)设置为根据测量电压采集电路(104)提供的电压信号，确定控制器(101)与马达驱动电路(102)是否连接，以及确定立柱数量和/或立柱类型。

Description

电动升降桌的控制系统及电动升降桌
本申请要求在2021年02月08日提交中国专利局、申请号为202110172287.6的中国专利申请的优先权，该申请的全部内容通过引用结合在本申请中。
技术领域
本申请涉及电动升降桌技术领域，例如涉及一种电动升降桌的控制系统及电动升降桌。
背景技术
随着社会电子技术的发展，多种多样的智能家具得到了越来越多用户的选择使用。其中，电动升降桌作为智能家具的一种被人们广泛的使用。随着电动升降桌越来越普及，客户定制要求也不尽相同。有的客户要求单立柱，有的客户要求两个立柱，有的客户要求三个立柱等等；立柱类型也不同，有的客户要求二节立柱，有的客户要求三节立柱等等。针对这些不同的要求，通常的做法是提供不同编号的控制器，不同编号的控制器对应不同的软件，造成控制器种类繁多，增加管理及库存成本。
发明内容
本申请提供一种电动升降桌的控制系统及电动升降桌，改进控制器与待控制立柱之间的连接方式，实现控制器对立柱的数量和类型的判断，降低管理成本。
本申请提供了一种电动升降桌的控制系统，所述电动升降桌包括至少一个立柱，所述控制系统包括：
控制器，所述控制器包括微处理器、测量电压采集电路和测量电压采集端子，所述测量电压采集电路的输入端和输出端分别连接所述测量电压采集端子和所述微处理器；
马达驱动电路，设置为驱动所述至少一个立柱升降，所述马达驱动电路包括测量电压产生电路和测量电压输出端子，所述测量电压产生电路的输出端与所述测量电压输出端子电连接；其中，在所述电动升降桌的立柱数量和/或立柱类型不同时，所述测量电压产生电路输出的测量电压值不同；
所述测量电压采集端子与所述测量电压输出端子电连接；所述微处理器设置为根据所述测量电压采集电路提供的电压信号，确定所述控制器与所述马达 驱动电路是否连接，以及确定所述立柱数量和/或立柱类型。
本申请还提供了一种电动升降桌，包括上述的控制系统以及至少一个立柱。
附图说明
图1为本申请实施例提供的一种电动升降桌的控制系统的结构示意图；
图2为本申请实施例提供的一种电动升降桌的控制系统的电路连接示意图；
图3是本申请实施例提供的一种电动升降桌的控制系统的等效电路图；
图4是本申请实施例提供的一种电动升降桌的结构示意图。
具体实施方式
以下将参照本申请实施例中的附图，通过实施方式描述本申请的技术方案，所描述的实施例是本申请一部分实施例。
图1为本申请实施例提供的一种电动升降桌的控制系统的结构示意图，如图1所示，该控制系统100包括控制器101和马达驱动电路102，控制器101包括微处理器103、测量电压采集电路104和测量电压采集端子105，测量电压采集电路104的输入端和输出端分别连接测量电压采集端子105和微处理器103。马达驱动电路102设置为驱动至少一个立柱升降，马达驱动电路包括测量电压产生电路106和测量电压输出端子107，测量电压产生电路106的输出端与测量电压输出端子107电连接；其中，在电动升降桌的立柱数量和/或立柱类型不同时，测量电压产生电路106输出的测量电压值不同；测量电压采集端子105与测量电压输出端子107电连接；微处理器103设置为根据测量电压采集电路104提供的电压信号，确定控制器101与马达驱动电路102是否连接，还设置为确定电动升降桌的立柱数量和/或立柱类型。
微处理器103可以为单片机，内置于控制器101内，设置为对测量电压采集电路104提供的电压信号进行分析处理，判断马达驱动电路102与控制器101的连接关系，进而通过不同立柱数量和/或立柱类型对应的马达驱动电路提供的不同测量电压，来判断和确定马达驱动电路102驱动的立柱数量和/或类型。微处理器103与测量电压采集电路104电连接的端口为数模转换端口，数模转换端口设置为将接收到的电压信号转换为数字信号，以使微处理器103对数字信号进行分析处理和判断，以确定马达驱动电路102的测量电压产生电路106提供的测量电压，从而根据不同的测量电压确定连接的马达驱动电路102对应的立柱数量和/或立柱类型。测量电压采集端子105与测量电压输出端子107的数量均可以为多个，多个测量电压采集端子105与多个测量电压输出端子107一 一对应电连接，测量电压采集端子105与测量电压输出端子107可根据实际需求对应设置。
本申请实施例提供的控制系统100包括控制器101以及至少一个马达驱动电路102，控制器101上设置有至少一个孔，每个孔设置为安装一个立柱，每个马达驱动电路102设置于一个立柱中，也就是说，控制系统100中的马达驱动电路102的数量与孔的数量相同，至少一个马达驱动电路102与至少一个孔一一对应，每个马达驱动电路102设置为在该马达驱动电路102所在的立柱安装于孔中时，驱动该立柱。当控制器101的一个孔中安装有立柱时，控制器101与该立柱的马达驱动电路102构成回路，使得该立柱的马达驱动电路102中存在对应的等效阻值。故可以根据马达驱动电路102中的等效阻值确定控制器101的孔中是否安装有立柱。
控制器101中的测量电压采集电路104和测量电压采集端子105的数量与控制器101上设置的孔的数量相同，且至少一个测量电压采集电路104与至少一个测量电压采集端子105一一对应连接，至少一个测量电压采集端子105与至少一个孔一一对应，每个测量电压采集端子105设置为在该测量电压采集端子105对应的孔中安装有立柱的情况下与该立柱的马达驱动电路102连接。微处理器103设置为根据每个测量电压采集电路104提供的电压信号，确定与该测量电压采集电路104连接的测量电压采集端子105是否与马达驱动电路102连接，进而确定该测量电压采集端子105对应的孔中是否安装有立柱，在确定该测量电压采集端子105对应的孔中安装有立柱的情况下，微处理器103还可以根据该等效阻值确定该立柱的类型。
图1仅为控制器101中的一组测量电压采集电路104和测量电压采集端子105与一个马达驱动电路102连接的结构示意图，图1所示的结构示意图用于确定控制系统100上的一个孔中是否安装有立柱，以及在该孔中安装立柱的情况下，确定该立柱的类型。
图2为本申请实施例提供的一种电动升降桌的控制系统的电路连接示意图，如图2所示，可选的，测量电压采集电路104包括第一电阻R1，第一电阻R1的第一端与电源电压端VCC电连接，第一电阻R1的第二端与测量电压采集端子105和微处理器103均电连接。
可选的，控制器101还包括第一接地端子11，马达驱动电路102还包括第二接地端子12，第二接地端子12连接第一接地端子11；测量电压产生电路106包括第二电阻R2，第二电阻R2的第一端与第二接地端子电连接，第二电阻R2的第二端与测量电压输出端子107电连接；
第二电阻R2的阻值与立柱数量和立柱类型均对应。
可选的，第一电阻R1的阻值与第二电阻R2的阻值相同或不同。
继续参考图2，第一电阻R1的阻值为固定值，例如第一电阻R1的阻值可以为10K、20K等，在测量过程中将第一电阻R1的阻值设置为固定值，可以方便微处理器103执行其功能，保证测量结果的准确性。第二电阻R2的第一端与第二接地端子12电连接，第二电阻R2的第二端与测量电压输出端子107电连接。控制器101还包括第一接地端子11，第一接地端子11与第二接地端子12电连接，且第一接地端子11与第二接地端子12均与接地端GND连接。第二电阻R2可根据不同立柱类型进行对应设置，不同立柱类型对应的第二电阻R2的阻值不同，保证微处理器102判断结果的准确性。第一电阻R1的阻值与第二电阻R2的阻值可以相同或不同，均能保证测量结果的准确。
可选的，微处理器103设置为比较测量电压采集电路104提供的电压信号与电源电压信号，并在测量电压采集电路104提供的电压信号等于电源电压信号时，判定控制器101与马达驱动电路102断开；在测量电压采集电路104提供的电压信号小于电源电压信号时，判定控制器101与马达驱动电路102连接。
与图1类似的，图2也仅示出了控制器101中的一组测量电压采集电路104和测量电压采集端子105与一个马达驱动电路102连接的电路连接示意图。第二电阻R2的阻值即为马达驱动电路102中的等效阻值。第二电阻R2的阻值与立柱数量和立柱类型均对应，是指根据第二电阻R2的阻值可以确定马达驱动电路102所在的立柱是否安装于孔中，以及在马达驱动电路102所在的立柱安装于孔中的情况下，根据第二电阻R2的阻值可以确定该立柱的类型。本实施例中，第二电阻R2的阻值因立柱是否安装，以及安装的立柱类型改变。
控制器101与马达驱动电路102断开，实际是指控制器101对应的孔中未安装立柱，相当于第二电阻R2对应的阻值无限大。控制器101与马达驱动电路102连接实际是指控制器101对应的孔中安装立柱，即在图2中，第二电阻R2对应的阻值与立柱类型对应。
图3为本申请实施例提供的一种电动升降桌的控制系统的等效电路图。测量电压产生电路106由第二电阻R2决定，由于测量电压采集端子105与测量电压输出端子107电连接，测量电压输出端子107输出对应第二电阻R2的电压信号，测量电压采集端子105接收测量电压输出端子107输出的对应第二电阻R2的电压信号，微处理器103接收对应第二电阻R2的电压信号和第一电阻R1的电压信号，如图3所示，第一电阻R1与第二电阻R2并联。当控制器101与马达驱动电路102断开连接，第二电阻R2对应的电压信号无限大，此时微处理器103接收到的电压信号等于电源电压，即此时马达驱动电路102的测量电压输出端子107并未与立柱连接。当控制器101与马达驱动电路102连接，第一电阻 R1与第二电阻R2并联存在分压作用，此时微处理器102接收到的电压信号小于电源电压，即此时马达驱动电路102的测量电压输出端子107连接立柱。
可选的，立柱数量大于或等于零；立柱类型包括二节立柱、三节立柱的至少一种。
控制系统100的立柱数量可以根据实际需求设计，可以为单立柱、两个立柱、三个立柱、四个立柱等等。判断马达驱动电路102的测量电压输出端子107连接的立柱数量可以为零个。立柱类型可以包括二节立柱、三节立柱，例如可以设置二节立柱对应第二电阻R2的阻值为10K，第三立柱对应第二电阻R2的阻值为20K。对应立柱的数量可以根据需要进行立柱类型的组合。
可选的，电源电压VCC为3.3V、5V或12V。
电源电压VCC的电压值一般与控制器101内微处理器103的电源电压相同，减少设置外部电源的种类，降低成本。
微处理器103还设置为在测量电压采集电路104提供的电压信号小于电源电压信号时，根据电压信号V的计算公式V＝VCC*R2/(R1+R2)以及已知的第一电阻R1的阻值，确定第二电阻R1的阻值，再根据第二电阻R1的阻值与立柱数量和/或立柱类型的对应关系，确定电动升降桌的立柱数量和/或立柱类型。
继续参考图2和图3，不同类型立柱对应不同的第二电阻R2的阻值，因此微处理器103可以根据接收到的不同电压信号进行分析，结合在微处理器103中提前预设的不同立柱类型对应的电压信号值，确定立柱的类型。当第一电阻R1的阻值为10K，二节立柱对应的第二电阻R2的阻值为10K，三节立柱对应的第二电阻R2的阻值为20K，电源电压VCC为5V，微处理器103中预设当第二电阻R2的阻值为10K时，对应测量电压采集电路104提供的电压信号值为2.5V，当第二电阻R2的阻值为20K时，对应测量电压采集电路104提供的电压信号值为3.33V。当微处理器103接收到测量电压采集电路104提供的电压信号V＝5*20/(10+20)＝3.33V时，即可判断出此时马达驱动电路102的测量信号输出端子107电连接有立柱，立柱类型为三节立柱。
可选的，控制器101还包括正转电压端M+、反转电压端M-、霍尔信号端HALL以及霍尔信号供电端VCC_HALL；正转电压端M+设置为传递控制马达驱动电路102电连接的马达的正向转动信号；反转电压端M-设置为传递控制马达驱动电路102电连接的马达的反向转动信号；霍尔信号端HALL设置为传递马达的转子位置信号；霍尔信号供电端VCC_HALL设置为连接为马达内部的霍尔传感器供电的外部设备。
继续参考图2，与控制器101对应，马达驱动电路102也设置有正转电压端 M+、反转电压端M-、第一霍尔信号端HALL1、第二霍尔信号端HALL2以及霍尔信号供电端VCC_HALL，且同类型的端口一一对应，保证多个信号的正确有序传递，有利于控制器101输出控制信号控制马达驱动电路102的工作，进而调节立柱升降。
本申请通过提供一种电动升降桌的控制系统及电动升降桌，电动升降桌包括至少一个立柱，控制系统包括控制器和马达驱动电路，控制器包括微处理器、测量电压采集电路和测量电压采集端子。马达驱动电路设置为驱动至少一个立柱升降，马达驱动电路包括测量电压产生电路和测量电压输出端子。通过微处理器、测量电压采集电路、测量电压采集端子、测量电压产生电路和测量电压输出端子之间的信号传递，确定控制器与马达驱动电路是否连接，以及确定立柱数量和/或立柱类型。改进控制器与立柱之间的连接关系，实现控制器对立柱数量和/或立柱类型的准确判断，降低管理成本。
基于同一构思，本申请还提供了一种电动升降桌，图4为本申请实施例提供的一种电动升降桌的结构示意图，该一种电动升降桌200包括上述任一实施例中的控制系统100以及至少一个立柱。
由于本实施例提供的电动升降桌具备上述任一所述的控制系统的相同或相应的效果，此处不做赘述。

Claims (10)

  1. 一种电动升降桌的控制系统，所述电动升降桌包括至少一个立柱，所述控制系统包括：
    控制器，所述控制器包括微处理器、测量电压采集电路和测量电压采集端子，所述测量电压采集电路的输入端和输出端分别连接所述测量电压采集端子和所述微处理器；
    马达驱动电路，设置为驱动所述至少一个立柱升降，所述马达驱动电路包括测量电压产生电路和测量电压输出端子，所述测量电压产生电路的输出端与所述测量电压输出端子电连接；其中，在所述电动升降桌的立柱数量和立柱类型中的至少之一不同的情况下，所述测量电压产生电路输出的测量电压值不同；
    所述测量电压采集端子与所述测量电压输出端子电连接；所述微处理器设置为根据所述测量电压采集电路提供的电压信号，确定所述控制器与所述马达驱动电路是否连接，以及确定所述电动升降桌的立柱数量和立柱类型中的至少之一。
  2. 根据权利要求1所述的电动升降桌的控制系统，其中，所述测量电压采集电路包括第一电阻R1，所述第一电阻R1的第一端设置为与电源电压端VCC电连接，所述第一电阻R1的第二端与所述测量电压采集端子和所述微处理器均电连接。
  3. 根据权利要求2所述的电动升降桌的控制系统，其中，所述控制器还包括第一接地端子，所述马达驱动电路还包括第二接地端子，所述第二接地端子与所述第一接地端子连接；
    所述测量电压产生电路包括第二电阻R2，所述第二电阻R2的第一端与所述第二接地端子电连接，所述第二电阻R2的第二端与所述测量电压输出端子电连接；
    所述第二电阻R2的阻值与所述电动升降桌的立柱数量和立柱类型均对应。
  4. 根据权利要求3所述的电动升降桌的控制系统，其中，所述微处理器设置为通过如下方式根据所述测量电压采集电路提供的电压信号，确定所述控制器与所述马达驱动电路是否连接：
    比较所述测量电压采集电路提供的电压信号与电源电压信号，并在所述测量电压采集电路提供的电压信号等于所述电源电压信号的情况下，判定所述控制器与所述马达驱动电路断开；在所述测量电压采集电路提供的电压信号小于所述电源电压信号的情况下，判定所述控制器与所述马达驱动电路连接。
  5. 根据权利要求4所述的电动升降桌的控制系统，其中，所述微处理器设 置为通过如下方式确定所述电动升降桌的立柱数量和立柱类型中的至少之一：
    在所述测量电压采集电路提供的电压信号小于所述电源电压信号的情况下，根据所述电压信号的计算公式V＝VCC*R2/(R1+R2)以及已知的所述第一电阻R1的阻值，确定所述第二电阻R2的阻值，根据所述第二电阻R2的阻值与所述电动升降桌的立柱数量和立柱类型中的至少之一的对应关系，确定所述电动升降桌的立柱数量和立柱类型中的至少之一。
  6. 根据权利要求3所述的电动升降桌的控制系统，其中，所述第一电阻R1的阻值与所述第二电阻R2的阻值相同或不同。
  7. 根据权利要求2所述的电动升降桌的控制系统，其中，所述电源电压VCC为3.3V、5V或12V。
  8. 根据权利要求1所述的电动升降桌的控制系统，其中，所述立柱数量大于或等于零；所述立柱类型包括二节立柱、和三节立柱中的至少一种。
  9. 根据权利要求1所述的电动升降桌的控制系统，其中，所述控制器还包括正转电压端M+、反转电压端M-、霍尔信号端HALL以及霍尔信号供电端VCC_HALL；
    所述正转电压端M+设置为传递控制所述马达驱动电路电连接的马达的正向转动信号；所述反转电压端M-设置为传递控制所述马达驱动电路电连接的马达的反向转动信号；所述霍尔信号端设置为传递所述马达的转子位置信号；所述霍尔信号供电端VCC_HALL设置为连接为所述马达内部的霍尔传感器供电的外部设备。
  10. 一种电动升降桌，包括如权利要求1-9任一项所述的控制系统以及至少一个立柱。
PCT/CN2022/073948 2021-02-08 2022-01-26 电动升降桌的控制系统及电动升降桌 WO2022166699A1 (zh)

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