CN215986954U

CN215986954U - Upper control panel

Info

Publication number: CN215986954U
Application number: CN202122264387.XU
Authority: CN
Inventors: 罗豪; 李鹏飞; 吕银浩; 何梧舟; 尹宗保
Original assignee: Zhengzhou Senpeng Electronic Technology Co Ltd
Current assignee: Zhengzhou Senpeng Electronic Technology Co Ltd
Priority date: 2021-09-17
Filing date: 2021-09-17
Publication date: 2022-03-08
Anticipated expiration: 2031-09-17

Abstract

The utility model belongs to the technical field of control of a loading device, and particularly relates to a loading control panel which comprises a shell, wherein a PCB is fixed in the shell, and a control circuit is arranged on the PCB; the control circuit comprises a key input module, a remote control signal receiving module, an MCU module, a state indicating module, a CAN communication module and a power supply module; the key input module and the remote control signal receiving module are respectively connected with an instruction input port of the MCU module, the CAN communication module is in two-way communication connection with the MCU module, the state indication module is connected with a key state output port of the MCU module, and the power supply module supplies power to the key input module, the remote control signal receiving module, the MCU module, the state indication module and the CAN communication module. The utility model can input the control demand information through the key input module, and can also acquire the control demand information sent by the remote controller through the remote control signal receiving module, thereby realizing the flexible control of the special vehicle.

Description

Upper control panel

Technical Field

The utility model belongs to the technical field of control of a loading device, and particularly relates to a loading control panel.

Background

In the field of commercial vehicles such as engineering vehicles, sanitation vehicles and the like, electric devices and actuating mechanisms such as electromagnetic valves, oil pumps, fans, hydraulic power arms and the like are important components of upper equipment. People use the mode that the central control instrument is matched with the upper controller to realize the action, continuous logic execution, parameter display and the like of the upper mechanism. However, the center control instrument is usually installed in the cab, and when the equipment needs to be controlled in an outdoor environment and around the vehicle body, the requirement for a flexibly installed and controllable top control panel is generated.

Disclosure of Invention

In order to solve the problems in the prior art, the utility model provides the upper control panel, which can be used for inputting control demand information through the key input module and acquiring the control demand information sent by the remote controller through the remote control signal receiving module, so that the flexible control of a special vehicle is realized.

In order to achieve the purpose, the utility model adopts the following technical scheme:

the utility model provides an upper control panel, which comprises a shell, wherein a PCB is fixed in the shell and is provided with a control circuit; the control circuit comprises a key input module, a remote control signal receiving module, an MCU module, a state indicating module, a CAN communication module and a power supply module; the key input module and the remote control signal receiving module are respectively connected with an instruction input port of the MCU module, the CAN communication module is in two-way communication connection with the MCU module, the state indication module is connected with a key state output port of the MCU module, and the power supply module supplies power to the key input module, the remote control signal receiving module, the MCU module, the state indication module and the CAN communication module.

Furthermore, the CAN communication module is in communication connection with the upper controller through a CAN bus, and the upper controller is in communication connection with the upper equipment.

Further, the key input module comprises 16 keys and a 74HC595 chip, the 16 keys are connected with an output port of the MCU module through the 74HC595 chip to realize key column selection, and the 16 keys are connected with an input port of the MCU module and used for key row selection.

Further, the status indication module includes 16 status indicator lamps and 2 74HC595 chips, and 8 status indicator lamps are connected to every 74HC595 chip, 16 status indicator lamps correspond the operating condition who shows 16 buttons, 2 74HC595 chips connect to the MCU module respectively.

Further, the remote control signal receiving module is used for receiving a control instruction sent by an external remote controller, and includes a wireless transceiver module and an antenna connected with the wireless transceiver module, and the wireless transceiver module adopts a wireless transceiver chip with the model number of RFM 300H.

Further, the MCU module adopts a singlechip with the model of AC 78013.

Further, the CAN communication module adopts a CAN chip with a model number of SIT 1042.

Further, the power module comprises a 9-32V battery voltage-to-7.5V power module, a 7.5V-to-5V power module and a 5V-to-3.3V power module.

Furthermore, the device also comprises a voltage detection circuit connected with the MCU module and used for collecting the system voltage.

Compared with the prior art, the utility model has the following advantages:

the upper control panel of the utility model acquires the control requirement of the user through the key input module and the remote control signal receiving module, the MCU module sends the effective control instruction to the upper controller by using the CAN message, and the upper controller controls the action of the upper equipment. The state indicating module indicates the operation states of the 16 keys, and the key states are displayed through the state indicating lamps. The system voltage is collected through the voltage detection circuit so as to monitor and alarm the system voltage. The intelligent control system realizes the intelligent control of the special vehicle and flexibly controls the work of the upper equipment.

Drawings

Fig. 1 is a block diagram of a control circuit of an upper control panel according to an embodiment of the present invention;

FIG. 2 is a flow chart of the operation of the upper control panel of the embodiment of the present invention;

FIG. 3 is a circuit diagram of a power module of an embodiment of the utility model;

FIG. 4 is a circuit diagram of an MCU module of an embodiment of the present invention;

FIG. 5 is a circuit diagram of a CAN communication module of an embodiment of the present invention;

fig. 6 is a circuit diagram of a remote control signal receiving module of an embodiment of the present invention;

FIG. 7 is a circuit diagram of a key input module according to an embodiment of the present invention;

FIG. 8 is a circuit diagram of a status indication module of an embodiment of the present invention.

The reference numbers in the figures denote:

1. the system comprises a top-mounted control panel, 2 a key input module, 3 a remote control signal receiving module, 4 an MCU module, 5 a state indication module, 6 a CAN communication module, 7 a power supply module, 8 a top-mounted controller and 9 a top-mounted device.

Detailed Description

In order to make those skilled in the art better understand the technical solution of the present invention, the technical solution in the embodiment of the present invention will be clearly and completely described below with reference to the drawings in the embodiment of the present invention, and it is obvious that the described embodiment is only a part of the embodiment of the present invention, and not all embodiments.

The upper control panel of this embodiment includes a housing and a PCB board fixed in the housing, and the PCB board is provided with a control circuit, as shown in fig. 1, the control circuit includes a key input module 2, a remote control signal receiving module 3, an MCU module 4, a status indication module 5, a CAN communication module 6, and a power module 7; the key input module 2 and the remote control signal receiving module 3 are respectively connected with an instruction input port of the MCU module 4, the CAN communication module 6 is in two-way communication connection with the MCU module 4, the state indicating module 5 is connected with a key state output port of the MCU module 4, and the power supply module 7 supplies power for the key input module 2, the remote control signal receiving module 3, the MCU module 4, the state indicating module 5 and the CAN communication module 6.

As shown in fig. 4, the MCU module 4 is a single chip microcomputer of AC78013, and is configured to analyze and send a CAN message, and transmit a switch and an analog signal.

As shown in fig. 5, the CAN communication module 6 adopts a CAN chip with a model number of SIT1042, the CAN communication module 6 is in communication connection with the upper controller 8 through a CAN bus, and the upper controller 8 is in communication connection with the upper device 9; the CAN communication module 6 is responsible for receiving instruction information sent by the MCU module 4, sending the current running state of the control panel and relevant instructions set by a user to the upper controller 8, or receiving the instruction information sent by the upper controller 8 and transmitting the instruction information to the MCU module 4.

As shown in fig. 6, the remote control signal receiving module 3 is configured to receive a control instruction signal sent by an external remote controller, and the module includes a wireless transceiver module and an antenna connected to the wireless transceiver module, and preferably, the wireless transceiver module is a wireless transceiver chip of model RFM 300H.

As shown in fig. 7, the key input module 2 is configured to input key information to the MCU module 4, and specifically includes 16 keys and 1 74HC595 chip, where the 16 keys are connected to an output port of the MCU module 4 through the 74HC595 chip, the MCU module 4 controls the 74HC595 chip to implement key column selection, the 16 keys are connected to an input port of the MCU module, and the MCU module 4 implements row selection by reading three inputs, thereby locating a certain key.

As shown in fig. 8, the status indication module 5 is configured to indicate operation statuses of 16 keys, and specifically includes 16 status indicator lamps and 2 74HC595 chips, each 74HC595 chip is connected to 8 status indicator lamps, the 16 status indicator lamps correspondingly display operation statuses of 16 keys, and the 2 74HC595 chips are respectively connected to terminals Kled _595_ out, Kled _595_ EN, Kled _595_ Clk, and Kled _595_ RCLK of the single chip microcomputer.

As shown in fig. 3, the power module 7 includes a 9-32V battery voltage to 7.5V power module (using LMR14206XMK chip), a 7.5V to 5V power module (using MCP1702T-5002ECB chip), and a 5V to 3.3V power module (using SPX1117-3.3 chip), and the power module 7 provides a 5V regulated power supply for the MCU module 4 and a 3.3V regulated power supply for the remote control signal receiving module 3.

The control circuit further comprises a voltage detection circuit (as shown in fig. 4) connected with the MCU module 4, and configured to collect system voltage, wherein the BAT _ VAL in the voltage detection circuit is connected to the 25 th pin of the single chip microcomputer, and performs AD conversion in the single chip microcomputer, and the system voltage value is obtained through conversion.

The working principle is as follows:

as shown in fig. 2, after the upper control panel 1 is started, it first enters cfg (configuration) mode to perform 5s pairing detection, if there is a remote pairing requirement, the control panel will analyze remote control did (data And identity) information And store a remote control unique identification code; when the remote control identity information storage is finished or the pairing instruction is not detected, the system enters an RUN mode; in the RUN mode, when a remote control operation is detected, the MCU module 4 first parses the wirelessly transmitted data, matches the stored remote control identification information with the received remote control unique identification code, parses the remote control command information after matching is successful, and combines the key state information of the control panel to obtain the control requirement of the user, and sends the effective control command to the upper controller 8 through the CAN message protocol, and the upper controller 8 controls the upper device 9 to operate according to the command. The operation state of the key can be displayed through the state indicator lamp; the system voltage is acquired through the voltage detection circuit, so that the real-time monitoring of the system voltage is realized.

Unless defined otherwise, technical or scientific terms used herein shall have the ordinary meaning as understood by one of ordinary skill in the art to which this invention belongs. The use of the terms "a" or "an" and the like in the description and in the claims of this application do not necessarily denote a limitation of quantity. The word "comprising" or "comprises", and the like, means that the element or item listed before the word covers the element or item listed after the word and its equivalents, but does not exclude other elements or items. The terms "connected" or "coupled" and the like are not restricted to physical or mechanical connections, but may include electrical connections, whether direct or indirect. "upper", "lower", "left", "right", and the like are used merely to indicate relative positional relationships, and when the absolute position of the object being described is changed, the relative positional relationships may also be changed accordingly.

Finally, it is to be noted that: the above description is only a preferred embodiment of the present invention, and is only used to illustrate the technical solutions of the present invention, and not to limit the protection scope of the present invention. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention shall fall within the protection scope of the present invention.

Claims

1. An upper control panel comprises a shell, wherein a PCB is fixed in the shell, and is characterized in that a control circuit is arranged on the PCB; the control circuit comprises a key input module, a remote control signal receiving module, an MCU module, a state indicating module, a CAN communication module and a power supply module; the key input module and the remote control signal receiving module are respectively connected with an instruction input port of the MCU module, the CAN communication module is in two-way communication connection with the MCU module, the state indication module is connected with a key state output port of the MCU module, and the power supply module supplies power to the key input module, the remote control signal receiving module, the MCU module, the state indication module and the CAN communication module.

2. The upper control panel according to claim 1, wherein the CAN communication module is in communication connection with an upper controller through a CAN bus, and the upper controller is in communication connection with an upper device.

3. The upper control panel of claim 1, wherein the key input module comprises 16 keys and a 74HC595 chip, the 16 keys are connected to an output port of the MCU module through the 74HC595 chip to realize key column selection, and the 16 keys are connected to an input port of the MCU module for key row selection.

4. The upper control panel of claim 3, wherein the status indication module comprises 16 status indication lamps and 2 74HC595 chips, each 74HC595 chip is connected with 8 status indication lamps, the 16 status indication lamps correspondingly display the operation status of 16 keys, and the 2 74HC595 chips are respectively connected to the MCU module.

5. The upper control panel as claimed in claim 1, wherein the remote control signal receiving module is used for receiving a control command signal from an external remote controller, and comprises a wireless transceiver module and an antenna connected to the wireless transceiver module, and the wireless transceiver module is a wireless transceiver chip of model RFM 300H.

6. The upper control panel of claim 1, wherein the MCU module is a single chip microcomputer of type AC 78013.

7. The upper control panel of claim 1, wherein the CAN communication module is a CAN chip having a model number SIT 1042.

8. The upper control panel as recited in claim 1, wherein the power modules comprise a 9-32V battery voltage to 7.5V power module, a 7.5V to 5V power module, and a 5V to 3.3V power module.

9. The upper control panel according to claim 1, further comprising a voltage detection circuit connected to the MCU module for collecting system voltage.