CN220829658U

CN220829658U - Door machine control panel

Info

Publication number: CN220829658U
Application number: CN202322293877.1U
Authority: CN
Inventors: 蔡冠之; 韦巍; 赵海阔; 宋爽
Original assignee: Beijing Guanfengxing Safety Technology Co ltd
Current assignee: Beijing Guanfengxing Safety Technology Co ltd
Priority date: 2023-08-24
Filing date: 2023-08-24
Publication date: 2024-04-23
Anticipated expiration: 2033-08-24

Abstract

The door machine control board is a double-sided circuit board; comprising the following steps: the device comprises a data tube display unit, a DP processing unit, a relay unit, a filtering unit, an interface unit, a power supply processing unit, an optocoupler array unit and a control unit; the data tube display unit, the DP processing unit, the relay unit, the filtering unit and the interface unit are arranged on one surface of the door machine control board; the power supply processing unit, the optocoupler array unit and the control unit are arranged on the other surface of the door machine control panel. Compared with the related art, the door machine control board provided by the disclosure replaces the components with larger volume in the existing door machine control board, so that the space occupied by the components on the circuit board can be reduced; the components on the original two circuit boards are combined on the double-sided circuit board, so that the integration level of the door machine control board is improved, and the size of the circuit board is reduced.

Description

Door machine control panel

Technical Field

The disclosure relates to the technical field of vehicles, in particular to a door machine control panel.

Background

Subway platform screen doors are key facilities for ensuring safety of passengers, and control cabinets are important components for controlling opening and closing of the screen doors. However, the control cabinet of the past has a problem that it occupies a large space, and adversely affects the layout of the platform screen door. Particularly, the control board occupies a large number of positions in the control cabinet due to low integration level. To solve this problem, optimization and improvement of the control board are required to reduce the space occupied by the control board.

Disclosure of Invention

The present disclosure provides a door machine control board. The main purpose is to reduce the area of the door machine control board while improving the integration level of the door machine control board.

According to a first aspect of the present disclosure, there is provided a door machine control board, which is a double-sided circuit board; comprising the following steps: the device comprises a data tube display unit, a DP processing unit, a relay unit, a filtering unit, an interface unit, a power supply processing unit, an optocoupler array unit and a control unit;

The data tube display unit, the DP processing unit, the relay unit, the filtering unit and the interface unit are arranged on one surface of the door machine control board;

The power supply processing unit, the optocoupler array unit and the control unit are arranged on the other surface of the door machine control panel.

In some embodiments, the data tube display unit is electrically connected with the control unit;

The data tube display unit is used for displaying the running state and fault information of the platform screen door system.

In some embodiments, the DP processing unit is electrically connected with the control unit;

The DP processing unit is used for establishing communication between the upper computer and the platform screen door control system.

In some embodiments, the relay unit is electrically connected with the power supply processing unit and is electrically connected with an electric component in the door machine control board;

The relay unit is used for controlling the opening and closing of different relays to supply power for different power utilization components.

In some embodiments, the filtering unit is electrically connected with the power processing unit;

the filtering unit is used for filtering interference signals in the input power supply.

In some embodiments, the interface unit is electrically connected with a door opening and closing control in the upper control cabinet;

The interface unit is used for receiving a door opening and closing control signal transmitted by the upper control cabinet.

In some embodiments, the power supply processing unit is electrically connected with the relay unit and the filtering unit;

the power supply processing unit is used for supplying power to the power utilization component in the door machine control panel.

In some embodiments, the optocoupler array unit is electrically connected with the interface unit and the control unit;

the optocoupler array unit is used for isolating input signals.

In some embodiments, the control unit is electrically connected with the interface unit, the power processing unit, and the DP processing unit, respectively;

The control unit is used for controlling the interface unit to carry out data transmission and controlling the power supply processing unit to carry out power supply management. And controlling the DP processing unit to communicate.

It should be understood that the description in this section is not intended to identify key or critical features of the embodiments of the disclosure, nor is it intended to be used to limit the scope of the disclosure. Other features of the present disclosure will become apparent from the following specification.

Drawings

The drawings are for a better understanding of the present solution and are not to be construed as limiting the present disclosure. Wherein:

fig. 1 is a schematic structural diagram of a door machine control board according to an embodiment of the present disclosure;

fig. 2 is a physical diagram of the front surface of a control panel of a door machine according to an embodiment of the disclosure;

Fig. 3 is a physical diagram of a reverse side of a control board of a door machine according to an embodiment of the disclosure.

Detailed Description

Exemplary embodiments of the present disclosure are described below in conjunction with the accompanying drawings, which include various details of the embodiments of the present disclosure to facilitate understanding, and should be considered as merely exemplary. Accordingly, one of ordinary skill in the art will recognize that various changes and modifications of the embodiments described herein can be made without departing from the scope and spirit of the present disclosure. Also, descriptions of well-known functions and constructions are omitted in the following description for clarity and conciseness.

Fig. 1 is a schematic structural diagram of a door machine control board according to an embodiment of the present disclosure. The door machine control board is a double-sided circuit board; comprising the following steps: the data tube display unit 11, the DP processing unit 12, the relay unit 13, the filtering unit 14, the interface unit 15, the power supply processing unit 16, the optocoupler array unit 17 and the control unit 18;

The data tube display unit 11, the DP processing unit 12, the relay unit 13, the filter unit 14 and the interface unit 15 are arranged on one surface of the door machine control board;

The power supply processing unit 16, the optocoupler array unit 17 and the control unit 18 are arranged on the other surface of the door machine control board.

Specifically, in order to improve the defects of poor integration level (three boards in total), large occupied space, scattered sockets and the like of the original door machine control board. The integrated level of the door machine control board is improved and the space occupied by the door machine control board in the PSC cabinet is reduced by combining the functions of the original board into a double-sided board.

The double-sided layout of the door machine control panel can fully utilize the layout positions of all the functional modules in a limited space, thereby maximally reducing the size and volume of the control panel. This is very important for the control panel design in the limited space application scene such as door machine. By arranging the power supply processing unit 16, the optocoupler array unit 17 and the control unit 18 on the other side, the control signal and the power supply signal can be effectively isolated, and the influence of mutual interference and interference on the stability and reliability of the system can be reduced. This is important for proper operation and signal transmission of the door operator control panel. The double-sided layout ensures that the layout positions of all the functional modules are clearer, and is convenient for maintenance personnel to conduct fault investigation and maintenance. The maintainer can quickly position the fault point according to the layout position of the functional module, and perform corresponding maintenance and repair. Through setting up the higher power supply processing unit of consumption at the another side, can effectively reduce the heat influence of consumption to other functional module to improve the radiating effect of whole control panel. This is important for long-term stable operation of the door operator control panel.

In summary, the door machine control board adopts the double-sided layout, so that the space utilization rate can be improved, the signal isolation is improved, the maintenance convenience and the heat dissipation effect are improved, and the performance and the reliability of the whole control board are improved.

The door machine control board is a double-sided circuit board; comprising the following steps: the data tube display unit 11, the DP processing unit 12, the relay unit 13, the filtering unit 14, the interface unit 15, the power supply processing unit 16, the optocoupler array unit 17 and the control unit 18; the data tube display unit 11, the DP processing unit 12, the relay unit 13, the filter unit 14 and the interface unit 15 are arranged on one surface of the door machine control board; the power supply processing unit 16, the optocoupler array unit 17 and the control unit 18 are arranged on the other surface of the door machine control board. Compared with the related art, the door machine control board provided by the disclosure replaces the components with larger volume in the existing door machine control board, so that the space occupied by the components on the circuit board can be reduced; the components on the original two circuit boards are combined on the double-sided circuit board, so that the integration level of the door machine control board is improved, and the size of the circuit board is reduced.

Further, in a possible implementation manner of this embodiment, as shown in fig. 1, the data tube display unit 11 is electrically connected to the control unit 18; the data tube display unit 11 is used for displaying the operation state and fault information of the platform screen door system.

Specifically, fig. 2 is a schematic diagram of the front face of a control panel of a gantry crane according to an embodiment of the present disclosure, where the data tube display unit 11 is electrically connected to the control unit 18, so as to display the operation state of the platform screen door system in real time. The system is beneficial to operators to know the working condition of the system, discover abnormality and faults in time and take corresponding measures for processing. The data tube display unit 11 is configured to display fault information, and is electrically connected to the control unit 18, so that fault information sent by the control unit 18 can be received in time and displayed on the data tube display unit 11. The system can help operators to quickly know the fault condition of the system, and timely take measures to repair so as to ensure the normal operation of the platform screen door system.

In summary, the data tube display unit 11 is electrically connected with the control unit 18, so that real-time status display and fault information prompt can be realized, the operation efficiency is improved, and the maintenance and the fault removal are convenient, thereby improving the operation effect and the reliability of the platform screen door system.

Further, in one possible implementation of the present embodiment, as shown in fig. 1, the DP processing unit 12 is electrically connected to the control unit 18; the DP processing unit 12 is used to establish communication between the host computer and the platform screen door control system.

In particular, with continued reference to FIG. 2, the DP processing unit 12 is used to establish communications between the host computer and the platform screen door control system. The DP processing unit 12 can realize data interaction and communication with the upper computer by being electrically connected with the control unit 18. The system is beneficial to the monitoring, control and management of the upper computer on the platform screen door system, and the intelligent and automatic level of the system is improved. By electrically connecting the DP processing unit 12 with the control unit 18, a fast and stable data transmission can be achieved. The method is beneficial to improving the communication efficiency between the upper computer and the platform screen door control system, reducing the data transmission delay and ensuring the real-time performance and accuracy. By being electrically connected to the control unit 18, the DP processing unit 12 can realize remote monitoring and control of the platform screen door system by the host computer. The upper computer can acquire the running state, fault information and the like of the system through the DP processing unit 12, and remotely control and adjust the system. This helps to improve manageability and operability of the system. The DP processing unit 12 is electrically connected to the control unit 18, so that system fault diagnosis and maintenance can be performed easily. When the system fails, the upper computer can acquire relevant fault information through the DP processing unit 12, quickly locate the fault point and take corresponding maintenance measures. This helps to improve the reliability and maintainability of the system.

In summary, the DP processing unit 12 is electrically connected with the control unit 18, so that the communication function of the upper computer can be realized, the data transmission efficiency is improved, the remote monitoring and control are realized, the fault diagnosis and maintenance are convenient, and the management and operation effects of the platform screen door control system are improved.

Further, in a possible implementation manner of the present embodiment, as shown in fig. 1, the relay unit 13 is electrically connected to the power processing unit 16, and is electrically connected to an electrical component in the door machine control board; the relay unit 13 is used for controlling the opening and closing of different relays to supply power for different power utilization components.

Specifically, with continued reference to fig. 2, the control of the relay unit 13 may implement the opening and closing control of different electric components. The relay unit 13 may supply the power of the power processing unit 13 to different power consuming parts according to the requirements in the door machine control board. Therefore, the power supply of different power utilization components can be flexibly controlled, and the requirement of a door machine control board is met. The relay unit 13 is electrically connected to the power supply processing unit 16, and the power supply control of the different power consuming components can be performed in the relay unit 13. Therefore, the circuit design of the door machine control board can be simplified, the circuit complexity and wiring difficulty are reduced, and the reliability and stability of the system are improved. By means of the control of the relay unit 13, the power supply conditions of the different power utilization components can be adjusted at any time according to requirements. The flexibility and the expandability are provided, and the dynamic adjustment can be carried out according to the requirements of the door machine control panel, so that different working scenes and requirements can be met. The relay unit 13 is electrically connected with the electric components, so that maintenance and fault removal can be conveniently performed. When a fault occurs, the fault point can be rapidly positioned through the control of the relay unit 13, and corresponding maintenance and repair work is performed. This helps to improve maintainability and reliability of the system.

In summary, the relay unit 13 is electrically connected with the power supply processing unit 16 and electrically connected with the power utilization component in the door machine control board, so that flexible control of the power utilization component can be realized, circuit design is simplified, flexibility and expandability are provided, maintenance and troubleshooting are convenient, and reliability and maintainability of the door machine control system are improved.

Further, in one possible implementation of the present embodiment, as shown in fig. 1, the filtering unit 14 is electrically connected to the power supply processing unit 16; the filtering unit 14 is configured to filter an interference signal in the input power.

Specifically, referring to fig. 2, the filtering unit 14 can effectively filter the interference signals, such as high-frequency noise, electromagnetic interference, etc., in the input power. This helps to improve the purity and stability of the power supply and reduces interference and impact on the system. By the filtering of the filtering unit 14, the stability and reliability of the power supply can be ensured. The interfering signals may have adverse effects on the powered device, such as causing device failure, affecting the performance of the device, etc. By filtering by the filtering unit 14, the influence of interference signals on electric equipment can be reduced, the working stability and service life of the equipment are improved, and the safety and reliability of the electric equipment are protected. The presence of interfering signals may affect the performance of the system, e.g., cause malfunctions, data transmission errors, etc. By filtering by the filtering unit 14, the influence of interference signals on the system can be reduced, the performance and reliability of the system are improved, and the normal operation of the system and the accurate transmission of data are ensured. In some application scenarios, the requirements for electromagnetic compatibility are high, and related standards and specifications need to be met. The sensitivity of the system to external electromagnetic interference can be reduced by filtering of the filtering unit, the electromagnetic compatibility of the system is improved, and related requirements and specifications are met.

In summary, the filtering unit 14 is electrically connected with the power processing unit 16 and is used for filtering the interference signals in the input power, so that the stability and purity of the power can be improved, the electric equipment can be protected, the system performance can be improved, the electromagnetic compatibility requirement can be met, and the reliability and stability of the system can be improved.

Further, in one possible implementation manner of this embodiment, as shown in fig. 1, the interface unit 15 is electrically connected to a door opening and closing control in the upper control cabinet; the interface unit 15 is configured to receive a door opening and closing control signal transmitted by the upper control cabinet.

Specifically, referring to fig. 2, the interface unit 15 is electrically connected to the upper control cabinet, so as to realize door opening and closing operations of the remote control door machine. The upper control cabinet can control the operation state of the door machine by sending a door opening and closing control signal to the interface unit 15. Therefore, the door machine can be conveniently controlled at a remote position, and the convenience and the flexibility of operation are improved. The interface unit 15 receives door opening and closing control signals transmitted by the upper control cabinet, so that centralized control and management of a plurality of door machines can be realized. The upper control cabinet can simultaneously transmit control signals to the plurality of interface units 15, thereby controlling the operation states of the plurality of door machines. Therefore, the door machine can be conveniently and intensively controlled and managed, and the management efficiency and the operation effect are improved. The interface unit 15 is electrically connected with the upper control cabinet, so that the safety control of the door machine can be realized. The upper control cabinet can send a door opening and closing control signal to the interface unit 15, so that the door machine can be ensured to perform door opening and closing operation at safe and proper time. This helps to improve the safety of door machine, avoids the emergence of unexpected accident. The interface unit 15 receives a door opening and closing control signal transmitted by the upper control cabinet, so that the real-time monitoring and feedback of the running state of the door machine can be realized. The interface unit 15 can feed back the state information of the door machine to the upper control cabinet, so that the real-time understanding and monitoring of the running state of the door machine are realized. This facilitates timely discovery of problems and malfunctions and corresponding handling and maintenance.

In summary, the interface unit 15 is electrically connected with the door opening and closing control signal in the upper control cabinet, and is used for receiving the door opening and closing control signal transmitted by the upper control cabinet, so as to realize remote control, centralized control and management, and improve safety and real-time monitoring feedback, thereby improving the operation convenience, management efficiency, safety and reliability of the door machine.

Further, in a possible implementation manner of the present embodiment, as shown in fig. 1, the power supply processing unit 16 is electrically connected to the relay unit 13 and the filtering unit 14; the power supply processing unit 16 is used for supplying power to the power utilization components in the door machine control board.

Specifically, fig. 3 is a physical diagram of the back surface of a door machine control board provided in an embodiment of the present disclosure, where a power supply processing unit 16 is electrically connected to a relay unit 13 and a filtering unit 14, so as to implement centralized power supply management for power consumption components in the door machine control board. The power supply processing unit 16 can provide stable power supply for the relay unit 13 and the filter unit 14, ensuring their normal operation. Therefore, the power utilization components of the door machine can be conveniently and uniformly managed and controlled, and the management efficiency and convenience are improved. The power processing unit 16 can provide stable power for the power consumption components in the door machine control panel, and damage or faults caused by power fluctuation or voltage instability are avoided. Through reasonable power supply treatment, the normal operation of the power utilization component can be protected, the service life of the power utilization component is prolonged, and the reliability and stability of the door machine are improved. The stable power supply can ensure the normal operation of the power consumption components in the control panel of the door machine, thereby improving the performance and effect of the system. The power utilization component can operate under stable power supply, and the normal working speed and accuracy of the power utilization component are ensured. This helps to improve the operating efficiency and performance of the door machine, meeting the demands of users. By electrically connecting the power supply processing unit 16 with the relay unit 13 and the filter unit 14, convenient maintenance and trouble-shooting of the power supply system of the door machine can be achieved. If a power problem occurs, the problem can be solved by checking and repairing the power processing unit. Therefore, the maintenance time and cost can be reduced, and the maintainability and reliability of the door machine can be improved.

In summary, the power supply processing unit 16 is electrically connected with the relay unit 13 and the filtering unit 14 and is used for supplying power to the power utilization components in the control panel of the door machine, so that centralized power supply management, power utilization component protection, system performance improvement and convenient maintenance and fault elimination can be realized, and the management efficiency, reliability and stability of the door machine are improved.

Further, in one possible implementation manner of this embodiment, as shown in fig. 1, the optocoupler array unit 17 is electrically connected to the interface unit 15 and the control unit 18; the optocoupler array unit 17 is configured to perform isolation processing on an input signal.

Specifically, with continued reference to fig. 3, the optocoupler array unit 17 may implement electrical isolation between the input signal and the interface unit and the control unit. By means of the optocoupler array unit 17, the input signals can be isolated from the circuits between the interface unit 15 and the control unit 18 through optocouplers, and the problems of interference, noise, voltage fluctuation and the like possibly caused by direct electrical connection are avoided. This may improve the stability and reliability of the system. The optocoupler array unit 17 may perform isolation processing on the input signal, thereby protecting the control unit 18 from external interference and voltage fluctuation. After the input signal is isolated by the optical coupler, the control unit can be ensured to receive a clean and stable signal, and misoperation or faults caused by external interference are reduced. This helps to improve the reliability and stability of the door machine. The input signals are isolated through the optical coupler array unit, so that the safety of a door machine system can be improved. The optocoupler isolation prevents the voltage and current of the input signal from damaging the interface unit 15 and the control unit 18, avoiding potential shock risks. This helps to improve the safety of door machine, avoids the emergence of unexpected accident. Maintenance and troubleshooting of the interface unit 15 and the control unit 18 can be facilitated by the isolation processing of the optocoupler array unit 17. If a problem arises, it is possible to solve the problem by checking and repairing the optocoupler array unit 17 without affecting the interface unit 15 and the control unit 18. Therefore, the maintenance time and cost can be reduced, and the maintainability and reliability of the door machine can be improved.

In summary, the optocoupler array unit 17 is electrically connected with the interface unit 15 and the control unit 18, and is used for isolating the input signal, so that electrical isolation, protection of the control unit, improvement of system safety, and convenient maintenance and fault removal can be achieved, thereby improving stability, reliability and safety of the door machine.

Further, in a possible implementation manner of this embodiment, as shown in fig. 1, the control unit 18 is electrically connected to the interface unit 15, the power supply processing unit 16, and the DP processing unit 12, respectively; the control unit 18 is configured to control the interface unit 15 to perform data transmission, and control the power processing unit 16 to perform power management. The DP processing unit 12 is controlled to communicate.

Specifically, with continued reference to fig. 3, the control of the data transmission to the interface unit 15 may be achieved by the electrical connection of the control unit 18 to the interface unit 15. The control unit 18 may send instructions and receive data to enable data interaction with other devices or systems. Therefore, data transmission can be conveniently carried out, and linkage and data exchange between the gantry crane and an external system are realized. The management and control of the power supply can be achieved by the electrical connection of the control unit 18 with the power supply processing unit 16. The control unit 18 can monitor the power state, regulate voltage and current, and thus ensure proper operation of the various components of the door motor. Therefore, the stability and the reliability of the door machine can be improved, and faults and damages caused by power supply problems are prevented. Communication control of the DP processing unit 12 may be achieved through the electrical connection of the control unit 18 with the DP processing unit 12. The control unit 18 may send and receive communication data and communicate with other devices or systems. Therefore, the linkage and information exchange between the door machine and other equipment or systems can be conveniently realized, and the intelligent and automatic level of the door machine is improved. The control unit 18 is electrically connected with the interface unit 15, the power supply processing unit 16 and the DP processing unit 12, so that centralized control and management of all components of the door machine can be realized. The control unit 18 may control data transmission through the interface unit 15, manage power through the power processing unit 16, and communicate through the DP processing unit 12. Therefore, the door machine can be conveniently and uniformly managed and controlled, and the management efficiency and the operation effect of the door machine are improved.

In summary, the control unit 18 is electrically connected to the interface unit 15, the power processing unit 16 and the DP processing unit 12, and is used for controlling data transmission, power management and communication, so as to implement data transmission control, power management, communication control and centralized control management, thereby improving the functionality, reliability, intelligent level and management efficiency of the door machine.

In the description of the present utility model, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings are merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the device or element being referred to must have a specific orientation, be configured and operated in a specific orientation, and therefore should not be construed as limiting the present utility model.

Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include at least one such feature.

In the present utility model, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed; may be mechanically connected, may be electrically connected or may be in communication with each other; either directly or indirectly, through intermediaries, or both, may be in communication with each other or in interaction with each other, unless expressly defined otherwise. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.

In the present utility model, unless expressly stated or limited otherwise, a first feature "up" or "down" a second feature may be the first and second features in direct contact, or the first and second features in indirect contact via an intervening medium. Moreover, a first feature being "above," "over" and "on" a second feature may be a first feature being directly above or obliquely above the second feature, or simply indicating that the first feature is level higher than the second feature. The first feature being "under", "below" and "beneath" the second feature may be the first feature being directly under or obliquely below the second feature, or simply indicating that the first feature is less level than the second feature.

For purposes of this disclosure, the terms "one embodiment," "some embodiments," "example," "a particular example," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the utility model. In this specification, schematic representations of the above terms are not necessarily directed to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, the different embodiments or examples described in this specification and the features of the different embodiments or examples may be combined and combined by those skilled in the art without contradiction.

While embodiments of the present utility model have been shown and described above, it will be understood that the above embodiments are illustrative and not to be construed as limiting the utility model, and that variations, modifications, alternatives and variations may be made to the above embodiments by one of ordinary skill in the art within the scope of the utility model.

Claims

1. The door machine control board is characterized by being a double-sided circuit board; comprising the following steps: the device comprises a data tube display unit, a DP processing unit, a relay unit, a filtering unit, an interface unit, a power supply processing unit, an optocoupler array unit and a control unit;

2. The door machine control board of claim 1, wherein the data tube display unit is electrically connected to the control unit;

3. The door motor control board of claim 1, wherein the DP processing unit is electrically connected to the control unit;

4. The door motor control board according to claim 1, wherein the relay unit is electrically connected with the power supply processing unit and electrically connected with an electric component in the door motor control board;

5. The door motor control board according to claim 1, wherein the filter unit is electrically connected to the power processing unit;

6. The door machine control board according to claim 1, wherein the interface unit is electrically connected with a door opening and closing control in an upper control cabinet;

7. The door machine control board according to claim 1, wherein the power supply processing unit is electrically connected with the relay unit and the filter unit;

8. The door machine control board according to claim 1, wherein the optocoupler array unit is electrically connected with the interface unit and the control unit;

the optocoupler array unit is used for isolating input signals.

9. The door machine control board according to claim 1, wherein the control unit is electrically connected to the interface unit, the power supply processing unit, and the DP processing unit, respectively;

the control unit is used for controlling the interface unit to carry out data transmission, controlling the power supply processing unit to carry out power supply management and controlling the DP processing unit to carry out communication.