CN218415367U - CAN bus intelligent central electric appliance box for agricultural machinery - Google Patents
CAN bus intelligent central electric appliance box for agricultural machinery Download PDFInfo
- Publication number
- CN218415367U CN218415367U CN202221918734.4U CN202221918734U CN218415367U CN 218415367 U CN218415367 U CN 218415367U CN 202221918734 U CN202221918734 U CN 202221918734U CN 218415367 U CN218415367 U CN 218415367U
- Authority
- CN
- China
- Prior art keywords
- module
- box
- central
- output end
- pcb
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Landscapes
- Remote Monitoring And Control Of Power-Distribution Networks (AREA)
Abstract
The utility model discloses a CAN bus intelligent central electric appliance box for agricultural machine, include: a central electrical box and a PCB board; the central electrical apparatus box internally mounted has the PCB board, install main power source relay on the central electrical apparatus box, install the flasher on the central electrical apparatus box, install the Mini relay on the central electrical apparatus box. This intelligent central authorities electrical apparatus box of CAN bus for agricultural machine, it separates conventional high-power load and switch input signal module, reduce the local copper foil risk of generating heat, the power is reasonable, balanced distribution, avoid taking place the too big high temperature phenomenon of local load, replace the rupture disc with the VMOS pipe, as power protection, in case there is the short circuit, drive module automatic shutoff, and report to the police and output the fault code, it is critical, the core part replaces the rupture disc with the VMOS pipe, increase the reliability of whole car electrical system, audible and visual alarm and chinese display suggestion, through system diagnosis, CAN bus output fault message, from the healthy state of display element module real time monitoring power module.
Description
Technical Field
The utility model relates to the technical field of agricultural machinery, specifically be a CAN bus intelligent central electric appliance box for agricultural machinery.
Background
The economical central electrical box for power management and control is widely used in the current agricultural machinery electrical system, wherein the core electrical components are relays, safety plates, and PCB (hard-wired connection type without such components), and these components are plugged and assembled together and mounted in a plastic box body which is easy to store and assemble, and are collectively called as the central electrical box. The central electrical box is designed according to the complexity of the electrical system of the whole vehicle, usually, a large load is added with an intermediate relay, and load current passes through a relay contact, so that a power switch for controlling the load is protected; under a small load (10A), overload protection is performed by arranging a safety disc. Along with the upgrading of an electric system of agricultural machinery, more and more control systems are integrated into the electric system, the control systems put forward higher requirements on the management of a power supply, and the following settings are carried out on the device;
the safety disc is a vulnerable part and plays a role of overload protection, once the load in an electrical system is overlarge, the circuit is broken or the safety disc is not well inserted, the safety disc can be fused, although a fusing indication (an indicator lamp is lightened) of the safety disc is designed on some central electrical box, the central electrical box is a key part and is usually installed in hidden places such as a cab control box, an interior or an instrument desk, even if the safety disc is fused, a mechanical hand can not easily detect the fusing indication, and only if the controlled load function fails, whether the safety disc is burnt or not can be considered. And the safety disc is inserted on the central electric box, the vibration of agricultural machinery is large, the failure rate is high due to poor contact, and the failure of the electric system of the whole vehicle can be caused once the power supply protection mode of the key component fails. And thirdly, the central electrical box only has fuse indication and no fault communication alarm function, so that fault reasons are relatively difficult to find, and the intelligent degree is low.
SUMMERY OF THE UTILITY MODEL
In order to solve the problem, the utility model aims to provide a throw and send a control system emergency operation device.
In order to achieve the above object, the utility model provides a following technical scheme: a CAN bus intelligent central electric box for agricultural machinery comprises: a central electrical box and a PCB board;
the central electrical appliance box is internally provided with a PCB (printed circuit board), the central electrical appliance box is provided with a main power supply relay, the central electrical appliance box is provided with a flasher, the central electrical appliance box is provided with a Mini relay, and the PCB is internally provided with a signal acquisition and processing module;
the safety piece is installed on the central electric box, a driving module is installed inside the PCB, a CAN communication module is installed inside the PCB, and an indicator lamp module is installed inside the central electric box;
the output end of the switch input signal module is connected with the input end of the signal acquisition and processing module, the output end of the Mini relay is connected with the input end of a high-power load, and the output end of the safety piece is connected with the input end of a low-power load;
the output end of the power supply input signal is connected with the input end of the signal acquisition and processing module, the input end of the signal acquisition and processing module is connected with the output end of the digital quantity input signal module, and the input end of the signal acquisition and processing module is connected with the output end of the analog quantity input signal module.
Preferably, the switch input signal module is connected with the signal acquisition and processing module through signals, the high-power load can separate the conventional high-power load from the switch input signal module through two groups of main power supply relays, and the signal acquisition and processing module is connected with the Mini relay and the safety disc through signals.
Preferably, the Mini relay is connected with a high-power load through a signal, the safety disc is connected with a low-power load through a signal, the load current is less than 10A, the safety disc is replaced by a VMOS tube to be used as power protection, and once short circuit occurs.
Preferably, the safety piece is connected with the PCB through signals, the safety piece is connected with the driving module through signals, the output end of the driving module is connected with the input end of the electric control unit, the driving module is automatically turned off and gives an alarm to output a fault code, the safety piece is replaced by the VMOS tube for key and core components, and the reliability of an electric system of the whole vehicle is improved.
Preferably, the output end of the CAN communication module is connected with the output end of the display unit module, the CAN communication module is in signal connection with the display unit module, the central electric appliance box sends messages to the display unit module of the whole vehicle through the CAN communication module, and the display unit module gives an audible and visual alarm and prompts in a Chinese display mode and diagnoses through a system.
Compared with the prior art, the beneficial effects of the utility model are that: this intelligent central authorities electrical apparatus box of CAN bus for agricultural machine, it separates conventional high-power load and switch input signal module, reduce the local copper foil risk of generating heat, the power is reasonable, balanced distribution, avoid taking place the too big high temperature phenomenon of local load, replace the rupture disc with the VMOS pipe, as power protection, in case there is the short circuit, drive module automatic shutoff, and report to the police and output the fault code, it is critical, the core part replaces the rupture disc with the VMOS pipe, increase the reliability of whole car electrical system, audible and visual alarm and chinese display suggestion, through system diagnosis, CAN bus output fault message, from the healthy state of display element module real time monitoring power module.
1. The high-power load can separate the conventional high-power load from the switch input signal module through two groups of main power supply relays, so that the heating risk of the local copper foil is reduced, the power supply is reasonably and uniformly distributed, and the phenomenon of overlarge and high temperature of the local load is avoided;
2. key components in the electrical system, such as a VCU, an ECU, a TCU, a display unit module and a vehicle-mounted terminal, wherein load currents of the load currents are smaller than 10A, a VMOS tube is used for replacing a safety sheet to be used as power protection, once a short circuit occurs, a driving module is automatically turned off and alarms to output fault codes, and the key and core components use the VMOS tube for replacing the safety sheet to increase the reliability of the electrical system of the whole vehicle;
3. when any load has a fault or is broken or short-circuited or is overloaded, the central electrical box sends a message to a display unit module of the whole vehicle through the CAN communication module, audible and visual alarm and Chinese display prompt are carried out, a CAN bus outputs a fault message through system diagnosis, and the health state of the power module is monitored in real time from the display unit module.
Drawings
Fig. 1 is a schematic top view of the present invention;
fig. 2 is a schematic view of the flow structure of the present invention.
In the figure: 1. a central electrical box; 2. a PCB board; 3. a main power supply relay; 4. a flasher; 5. a Mini relay; 6. a signal acquisition and processing module; 7. a VMOS pipe; 8. a drive module; 9. a CAN communication module; 10. an indicator light module; 11. a power input signal; 12. a switch input signal module; 13. a digital quantity input signal module; 14. an analog quantity input signal module; 15. a high power load; 16. a low power load; 17. an electronic control unit; 18. and a display unit module.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts all belong to the protection scope of the present invention.
Referring to fig. 1-2, the present invention provides a technical solution: a CAN bus intelligent central electric box for agricultural machinery comprises: a central electrical box 1 and a PCB 2;
the central electrical appliance box 1 is internally provided with a PCB (printed circuit board) 2, the central electrical appliance box 1 is provided with a main power supply relay 3, the central electrical appliance box 1 is provided with a flasher 4, the central electrical appliance box 1 is provided with a Mini relay 5, the PCB 2 is internally provided with a signal acquisition and processing module 6, a safety sheet 7 is arranged on the central electrical appliance box 1, the PCB 2 is internally provided with a driving module 8, the PCB 2 is internally provided with a CAN communication module 9, the central electrical appliance box 1 is internally provided with an indicator lamp module 10, a switch input signal module 12, the output end of the switch input signal module is connected with the input end of the signal acquisition and processing module 6, the output end of the Mini relay 5 is connected with the input end of a high-power load 15, the output end of the safety sheet 7 is connected with the input end of a low-power load 16, the power supply input signal 11, the output end of the signal acquisition and processing module 6 is connected with the input end of the signal acquisition and processing module 6, the input end of the signal acquisition and processing module 6 is connected with the output end of a digital quantity input signal module 13, and the input end of the signal acquisition and processing module 6 is connected with the output end of an analog quantity input signal module 14.
The switch input signal module 12 is connected with the signal acquisition and processing module 6 through signals, and the signal acquisition and processing module 6 is connected with the Mini relay 5 and the safety disc 7 through signals.
Referring to fig. 1 and 2, it can be known that the high-power load 15 can separate the conventional high-power load 15 from the switch input signal module 12 through two groups of main power supply relays 3, so that the heating risk of the local copper foil is reduced, the power supply is reasonably and uniformly distributed, and the phenomenon of overlarge and high temperature of the local load is avoided.
The Mini relay 5 is connected with the high-power load 15 through signals, and the safety disc 7 is connected with the low-power load 16 through signals.
The safety disc 7 is connected with the PCB 2 through signals, the safety disc 7 is connected with the driving module 8 through signals, and the output end of the driving module 8 is connected with the input end of the electronic control unit 17.
Referring to fig. 1 and 2, it can be known that, in the electrical system, such as VCU, ECU, TCU, display unit module 18 and vehicle-mounted terminal, these load currents are less than 10A, VMOS tube 7 is used to replace safety fuse as power protection, once there is a short circuit, driving module 8 is automatically turned off and alarms to output fault code, and VMOS tube 7 is used to replace safety fuse for key and core components, so as to increase the reliability of the electrical system of the whole vehicle.
The output end of the CAN communication module 9 is connected with the output end of the display unit module 18, and the CAN communication module 9 is connected with the display unit module 18 through signals.
Referring to fig. 1 and 2, it CAN be seen that when any one load has a fault or is open circuit or short circuit or is overloaded, the central electrical box 1 sends a message to the display unit module 18 of the whole vehicle through the CAN communication module 9, and performs sound-light alarm and Chinese display prompt, and through system diagnosis, the CAN bus outputs a fault message, and the display unit module 18 monitors the health state of the power supply module in real time.
The working principle is as follows: when the CAN bus intelligent central electrical box for agricultural machinery is used, firstly, a conventional high-power load 15 and a switch input signal module 12 CAN be separated by the high-power load 15 through two groups of main power supply relays 3, the heating risk of a local copper foil is reduced, the power supply is reasonably and uniformly distributed, the phenomenon of overlarge high temperature of the local load is avoided, key components in an electrical system such as VCUs, ECUs, TCUs, a display unit module 18 and a vehicle-mounted terminal, the load current is less than 10A, a safety sheet is replaced by a VMOS pipe 7 to serve as power supply protection, once a short circuit occurs, a driving module 8 is automatically turned off, a fault code is output in an alarm mode, the key components and the core components replace the safety sheet by the VMOS pipe 7, the reliability of the electrical system of the whole vehicle is improved, and the content which is not described in detail in the description belongs to the prior art known by professionals in the field.
Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the invention.
Claims (5)
1. A CAN bus intelligent central electric box for agricultural machinery comprises: a central electrical box (1) and a PCB (2), characterized in that;
the central electrical box (1) is internally provided with a PCB (printed circuit board) (2), the central electrical box (1) is provided with a main power supply relay (3), the central electrical box (1) is provided with a flasher (4), the central electrical box (1) is provided with a Mini relay (5), and the PCB (2) is internally provided with a signal acquisition and processing module (6);
the safety disc (7) is installed on the central electric appliance box (1), a driving module (8) is installed inside the PCB (2), a CAN communication module (9) is installed inside the PCB (2), and an indicator lamp module (10) is installed inside the central electric appliance box (1);
the output end of the switch input signal module (12) is connected with the input end of the signal acquisition and processing module (6), the output end of the Mini relay (5) is connected with the input end of a high-power load (15), and the output end of the safety disc (7) is connected with the input end of a low-power load (16);
the output end of the power input signal (11) is connected with the input end of the signal acquisition and processing module (6), the input end of the signal acquisition and processing module (6) is connected with the output end of the digital quantity input signal module (13), and the input end of the signal acquisition and processing module (6) is connected with the output end of the analog quantity input signal module (14).
2. The CAN bus intelligent central electric box for agricultural machinery according to claim 1, characterized in that: the switch input signal module (12) is connected with the signal acquisition and processing module (6) through signals, and the signal acquisition and processing module (6) is connected with the Mini relay (5) and the safety disc (7) through signals.
3. The CAN bus intelligent central electric box for agricultural machinery according to claim 1, characterized in that: the Mini relay (5) is connected with a high-power load (15) through signals, and the safety disc (7) is connected with a low-power load (16) through signals.
4. The CAN bus intelligent central electric box for agricultural machinery according to claim 1, characterized in that: the safety disc (7) is connected with the PCB (2) through signals, the safety disc (7) is connected with the driving module (8) through signals, and the output end of the driving module (8) is connected with the input end of the electric control unit (17).
5. The CAN bus intelligent central electric box for agricultural machinery according to claim 1, characterized in that: the output end of the CAN communication module (9) is connected with the output end of the display unit module (18), and the CAN communication module (9) is connected with the display unit module (18) through signals.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221918734.4U CN218415367U (en) | 2022-07-22 | 2022-07-22 | CAN bus intelligent central electric appliance box for agricultural machinery |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221918734.4U CN218415367U (en) | 2022-07-22 | 2022-07-22 | CAN bus intelligent central electric appliance box for agricultural machinery |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218415367U true CN218415367U (en) | 2023-01-31 |
Family
ID=85013326
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221918734.4U Active CN218415367U (en) | 2022-07-22 | 2022-07-22 | CAN bus intelligent central electric appliance box for agricultural machinery |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218415367U (en) |
-
2022
- 2022-07-22 CN CN202221918734.4U patent/CN218415367U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN204008826U (en) | Vehicular battery safety monitoring system | |
| CN110103717B (en) | High-voltage interlocking detection system and vehicle | |
| CN212637175U (en) | High-voltage interlocking detection system for electric automobile | |
| CN203472565U (en) | High-voltage electric protection system of electric vehicle | |
| CN109130863A (en) | A kind of electric car is intelligent from prompt system electric under vehicle and its reminding method | |
| CN218415367U (en) | CAN bus intelligent central electric appliance box for agricultural machinery | |
| US4843378A (en) | Failure alarm device for an appliance | |
| CN102407778B (en) | Real-time anti-interference complementation type vehicle-mounted leakage detection system | |
| CN211481570U (en) | Brake lamp control circuit and vehicle | |
| CN113561775A (en) | Tractor circuit control device | |
| CN106229947B (en) | Onboard power system intelligent monitoring terminal | |
| EP1601554B1 (en) | Adr unit | |
| CN215751940U (en) | Circuit control system for tractor | |
| CN200990015Y (en) | Vehicle electric device central wire connecter | |
| CN201069463Y (en) | Quick diagnosis instrument for power loss of low-voltage control line | |
| CN210123888U (en) | 10KV substation main transformer gas protection alarm signal box | |
| CN215751748U (en) | Mining dump truck control device and mining dump truck | |
| CN114148268B (en) | Car lamp power supply management system and method thereof, car lamp system and vehicle | |
| CN218497116U (en) | Cabinet PDU state indicating device and novel electric cabinet | |
| CN213693126U (en) | Abnormal self-starting device of relay protection device | |
| CN216213238U (en) | Integrated general fuse box assembly | |
| CN110014837B (en) | High-voltage interlocking detection device and electric vehicle with same | |
| CN214479538U (en) | Relay protection device | |
| CN215120277U (en) | Central signal circuit and central signal screen | |
| CN213268124U (en) | Emergency starting device for water supply non-negative pressure equipment |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |