Distributed control system based on can bus

Abstract

The utility model relates to the technical field of in-vehicle temperature control systems, and particularly discloses a distributed control system based on a can bus, which comprises a vehicle control unit connected with a plurality of temperature monitoring devices distributed at seats in a vehicle through the can bus. The temperature monitoring device comprises a temperature detection assembly, a seat heating assembly, a human body sensor, an electric control type air conditioner air outlet and a seat air outlet assembly, and the temperature detection assembly detects the space temperature around a seat and the internal temperature of the seat in real time and transmits data to the whole vehicle controller to be displayed by a vehicle-mounted display screen. Therefore, a driver can know the temperature condition of each position in the vehicle in real time. According to the utility model, the temperature monitoring devices are mutually independent, so that the in-vehicle temperature control scheme can be flexibly adjusted according to actual conditions, more personalized in-vehicle temperature adjustment can be realized, individual differences can be met, and the use requirements of various scenes can be met.

Description

Technical Field

[0001] The utility model relates to the technical field of in-vehicle temperature control systems, in particular to a distributed control system based on a CAN bus. Background Art

[0002] CAN bus (Controller Area Network) is a serial communication network that supports distributed control or real-time control. It has high real-time performance, reliability and flexibility. With the increase of automobile functions, there are more and more controllers. These controllers of automobiles can communicate through the CAN bus network, which is one of the most widely used field buses in the world.

[0003] At present, when controlling the temperature inside the car, the driver uses the on-board temperature sensor to understand the temperature inside the car in real time and adjust it uniformly. When the space inside the car is large, such as a bus or a public bus, the temperature distribution in various parts of the car is uneven, and there are many passengers with different temperature requirements. At this time, the representativeness of the temperature inside the car displayed by the driver is not strong. When the driver uniformly adjusts the temperature, it is difficult to adapt to the use needs of different passengers and different scenarios. Therefore, those skilled in the art provide a distributed control system based on the CAN bus to solve the problems raised in the above background technology. Utility Model Content

[0004] The purpose of this utility model is to provide a distributed control system based on CAN bus to solve the following technical problems:

[0005] How to improve the flexibility of in-car temperature control to meet the usage requirements of different scenarios.

[0006] The purpose of the utility model can be achieved through the following technical solutions:

[0007] A distributed control system based on a CAN bus, comprising a vehicle controller, wherein the vehicle controller is connected to a plurality of temperature monitoring devices distributed at seats in a vehicle via the CAN bus;

[0008] The temperature monitoring device includes a temperature detection component, a seat heating component, a human body sensor, an electrically controlled air-conditioning outlet, and a seat air outlet component;

[0009] The temperature detection component detects the temperature of the space around the seat and the internal temperature of the seat in real time, and transmits the data to the vehicle controller for display on the vehicle display screen, so that the driver can know the temperature conditions of various locations in the vehicle in real time;

[0010] The human body sensor detects whether there is a passenger on the seat after the vehicle is started, and transmits the information to the vehicle controller, so that the driver can quickly understand the passenger situation in the vehicle and flexibly adjust the temperature control scheme in the vehicle according to the distribution of passengers in the vehicle;

[0011] The electrically controlled air-conditioning air outlet is communicated with an air outlet pipe of the vehicle-mounted air-conditioning.

[0012] Furthermore, the air outlet of the electrically controlled air conditioner comprises an air duct, the interior of the air duct is fixedly connected with a porous fixed disk, the lower end surface of the porous fixed disk is rotatably connected with a porous adjustment disk, a protective shell is fixedly connected at the middle of the upper end surface of the porous fixed disk, a motor is fixedly connected to the interior of the protective shell, and the output end of the motor is fixedly connected to the shaft end of the porous adjustment disk;

[0013] Furthermore, the air outlet of the electrically controlled air conditioner further comprises a spherical tube, the spherical tube is fixedly connected to the lower end of the air cylinder, the inner side of the spherical tube is rotatably connected to a rotating ring, the inner side of the rotating ring is rotatably connected to a plurality of air guide plates, and the air guide plates are perpendicular to the rotation axis of the rotating ring;

[0014] Further, the temperature detection component includes a seat cushion temperature sensor arranged inside the seat and an air temperature sensor arranged at the periphery of the seat, the seat cushion temperature sensor detects the temperature inside the seat in real time, and the air temperature sensor detects the air temperature around the seat in real time;

[0015] Further, the seat heating assembly adopts an electric heating pad, wherein the electric heating pad is installed inside the seat cushion;

[0016] Furthermore, the human body sensor adopts a human body infrared sensor;

[0017] Furthermore, the seat air outlet assembly adopts a fan, which is installed inside the seat and discharges air toward the human body;

[0018] Beneficial effects of the utility model:

[0019] The utility model proposes a distributed control system based on CAN bus. When the system is in use, it is provided with temperature monitoring devices distributed at various seats in the car. The temperature monitoring devices can detect the internal temperature of the seat and the temperature near the seat through the temperature detection component. A human body sensor is also provided to detect whether there is a passenger on the seat, so that the driver can quickly understand the riding conditions in the car and the temperature distribution in various places. Moreover, each temperature monitoring device is independent of each other, which is convenient for flexibly adjusting the temperature control scheme in the car according to the actual situation, and can realize more personalized temperature adjustment in the car, meet individual differences, and adapt to the use needs of various scenarios. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] The utility model is further described below in conjunction with the accompanying drawings.

[0021] Figure 1 This is the overall system block diagram of a distributed control system based on CAN bus proposed by the utility model;

[0022] Figure 2 This is a composition diagram of a temperature monitoring device of a distributed control system based on CAN bus proposed by the utility model;

[0023] Figure 3 It is a three-dimensional diagram of an electrically controlled air-conditioning outlet of a distributed control system based on a CAN bus proposed by the utility model;

[0024] Figure 4 It is an internal structure diagram of a wind tube of a distributed control system based on CAN bus proposed by the utility model.

[0025] Reference numerals:

[0026] 1. Vehicle controller; 2. Temperature monitoring device; 21. Temperature detection component; 211. Seat temperature sensor; 212. Air temperature sensor; 22. Seat heating; 23. Human body sensor;

[0027] 24. Electric-controlled air-conditioning outlet; 241. Air cylinder; 242. Spherical tube; 243. Rotating ring; 244. Air guide plate; 245. Multi-hole fixing plate; 246. Multi-hole adjusting plate; 247. Motor; 248. Protective housing;

[0028] 25. Seat air outlet assembly. DETAILED DESCRIPTION

[0029] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0030] Please refer to the attached Figures 1 to 4 As shown, a distributed control system based on CAN bus in an embodiment of the utility model includes a vehicle controller 1, and the vehicle controller 1 is connected to a plurality of temperature monitoring devices 2 distributed at seats in the vehicle through the CAN bus.

[0031] The temperature monitoring device 2 includes a temperature detection component 21, a seat heating component 22, a human body sensor 23, an electrically controlled air-conditioning outlet 24, and a seat air outlet component 25. The seat heating component 22 is used to heat the seat to improve the riding experience in cold weather, and the seat air outlet component 25 is used to promote the flow of air around the seat to reduce the stuffiness when riding.

[0032] The temperature detection component 21 detects the temperature of the space around the seat and the internal temperature of the seat in real time, and transmits the data to the vehicle controller 1 for display on the vehicle display screen, so that the driver can know the temperature conditions of various locations in the vehicle in real time;

[0033] After the vehicle is started, the human body sensor 23 detects whether there is a passenger in the seat and transmits the information to the vehicle controller 1, so that the driver can quickly understand the riding situation in the car and flexibly adjust the temperature control plan in the car according to the distribution of people in the car. In addition, it can also help the driver to turn off the temperature control device 2 on the unmanned seat in time to reduce energy waste.

[0034] The electrically-controlled air-conditioning outlet 24 is connected to the air outlet duct of the vehicle air-conditioner. The vehicle air-conditioner discharges air through the electrically-controlled air-conditioning outlet 24. The electrically-controlled air-conditioning outlet 24 is directed toward the corresponding seat and can be opened, closed and adjusted electrically to facilitate the realization of personalized temperature adjustment needs.

[0035] The electrically controlled air-conditioning outlet 24 includes an air cylinder 241, the interior of which is fixedly connected to a porous fixing disk 245, the lower end surface of the porous fixing disk 245 is rotatably connected to a porous adjusting disk 246, a protective shell 248 is fixedly connected to the middle of the upper end surface of the porous fixing disk 245, a motor 247 is fixedly connected to the interior of the protective shell 248, and the output end of the motor 247 is fixedly connected to the axial end of the porous adjusting disk 246. When the electrically controlled air-conditioning outlet 24 is in use, it is controlled by the vehicle controller 1 and communicates via the CAN bus to control the motor 247 to adjust the rotation angle of the porous adjusting disk 246, so that the driver can adjust the air volume of the electrically controlled air-conditioning outlet 24.

[0036] The electrically controlled air-conditioning outlet 24 also includes a spherical tube 242, which is fixedly connected to the lower end of the wind tube 241. The inner side of the spherical tube 242 is rotatably connected to a swivel 243, and the inner side of the swivel 243 is rotatably connected to a plurality of air guide plates 244. The air guide plates 244 are perpendicular to the rotation axis of the swivel 243. The swivel 243 and the air guide plates 244 are provided to facilitate passengers to manually adjust the air outlet angle and open and close the air outlet.

[0037] The temperature detection component 21 includes a seat cushion temperature sensor 211 arranged inside the seat and an air temperature sensor 212 arranged at the periphery of the seat. The seat cushion temperature sensor 211 detects the temperature inside the seat in real time, and the air temperature sensor 212 detects the air temperature around the seat in real time.

[0038] The seat heating component 22 adopts an electric heating pad, wherein the electric heating pad is installed inside the seat cushion, and the seat is heated by the set electric heating pad.

[0039] The human body sensor 23 adopts a human body infrared sensor, which detects whether there is someone in the corresponding seat through the human body infrared sensor, and then the detection information is transmitted to the vehicle controller 1 through the CAN bus.

[0040] The seat air outlet component 25 adopts a fan, which is installed inside the seat and discharges air toward the human body.

[0041] The above is a detailed description of an embodiment of the utility model, but the content is only a preferred embodiment of the utility model and cannot be considered to limit the scope of implementation of the utility model. All equivalent changes and improvements made within the scope of application of the utility model should still fall within the scope of the patent coverage of the utility model.

Claims

1. A distributed control system based on CAN bus, comprising a vehicle controller (1), characterized in that: The vehicle controller (1) is connected to a plurality of temperature monitoring devices (2) distributed at seats in the vehicle via a CAN bus; The temperature monitoring device (2) comprises a temperature detection component (21), a seat heating component (22), a human body sensor (23), an electrically controlled air-conditioning outlet (24), and a seat air outlet component (25); The temperature detection component (21) detects the temperature of the space around the seat and the internal temperature of the seat in real time, and transmits the data to the vehicle controller (1) for display on the vehicle display screen, so that the driver can know the temperature conditions of various locations in the vehicle in real time; The human body sensor (23) detects whether there is a passenger on the seat after the vehicle is started, and transmits the information to the vehicle controller (1), so that the driver can quickly understand the passenger situation in the vehicle and flexibly adjust the temperature control scheme in the vehicle according to the distribution of passengers in the vehicle; The electrically controlled air-conditioning air outlet (24) is in communication with an air outlet pipe of the vehicle-mounted air-conditioning.

2. A distributed control system based on CAN bus according to claim 1, characterized in that: The electrically controlled air-conditioning outlet (24) comprises an air duct (241), the interior of the air duct (241) is fixedly connected to a porous fixed disk (245), the lower end surface of the porous fixed disk (245) is rotatably connected to a porous adjustment disk (246), a protective housing (248) is fixedly connected to the middle of the upper end surface of the porous fixed disk (245), a motor (247) is fixedly connected to the interior of the protective housing (248), and the output end of the motor (247) is fixedly connected to the shaft end of the porous adjustment disk (246).

3. A distributed control system based on CAN bus according to claim 2, characterized in that: The electrically controlled air conditioner air outlet (24) further comprises a spherical tube (242), wherein the spherical tube (242) is fixedly connected to the lower end of the air cylinder (241), wherein the inner side of the spherical tube (242) is rotatably connected to a rotating ring (243), wherein the inner side of the rotating ring (243) is rotatably connected to a plurality of air guide plates (244), wherein the air guide plates (244) are perpendicular to the rotation axis of the rotating ring (243).

4. A distributed control system based on CAN bus according to claim 1, characterized in that: The temperature detection component (21) comprises a seat cushion temperature sensor (211) arranged inside the seat and an air temperature sensor (212) arranged at the periphery of the seat. The seat cushion temperature sensor (211) detects the temperature inside the seat in real time, and the air temperature sensor (212) detects the air temperature around the seat in real time.

5. A distributed control system based on CAN bus according to claim 1, characterized in that: The seat heating component (22) adopts an electric heating pad, wherein the electric heating pad is installed inside the seat cushion.

6. A distributed control system based on CAN bus according to claim 1, characterized in that: The human body sensor (23) is a human body infrared sensor.

7. A distributed control system based on CAN bus according to claim 1, characterized in that: The seat air outlet component (25) adopts a fan, which is installed inside the seat and discharges air toward the human body.

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