Electric control box suitable for various vehicle air conditioner high-voltage control systems

Abstract

The utility model discloses an electric cabinet suitable for various vehicle air-conditioning high-voltage control systems, which comprises a case bottom shell, a first high-voltage control integrated circuit board and a second high-voltage control integrated circuit board, and the first high-voltage control integrated circuit board and the second high-voltage control integrated circuit board are arranged in the case bottom shell and are stacked up and down. The first high-voltage control integrated circuit board and the second high-voltage control integrated circuit board are each composed of a high-voltage load control direct-current contactor module, a safety module, a compressor pre-charging capacitor module and the like, and the high-voltage load control direct-current contactor modules, the safety modules, the compressor pre-charging capacitor modules and the like are electrically connected. The electric control box is simple in structure, high in integration degree, capable of saving more internal space of the shell, and capable of meeting requirements of vehicle air conditioning systems of different vehicle types, different models and different functions, and therefore the multifunctionality of the electric control box is embodied.

Description

Technical Field

[0001] The utility model belongs to the technical field of vehicle air conditioners and relates to an electric control box suitable for high-voltage control systems of various vehicle air conditioners. Background Art

[0002] Automobile air conditioning technology has gradually developed with the continuous improvement of people's requirements for driving comfort and the application of electronic high-tech. At present, the development of automobile air conditioning technology is mainly reflected in the pursuit of small and light overall air conditioning system, reducing energy consumption and realizing automatic control, especially now that the performance requirements for new energy vehicles are getting higher and higher. Only the continuous development and improvement of air conditioning control system can meet the needs of real life.

[0003] A waterproof new energy electric air conditioner high-voltage electric control box is disclosed in the Chinese utility model patent with application number 201820948328.X, including a shell, an output connector and a socket structure arranged on the side of the shell, and a waterproof cover arranged on the upper end surface of the shell. The inside of the shell is divided from the bottom end into a bottom layer for installing the compressor pre-charge capacitor assembly and the second high-voltage load control DC contactor assembly, a middle layer for installing the first high-voltage load control DC contactor assembly, and an upper layer for installing the insurance module. The bottom layer, the middle layer, and the upper layer are all provided with a support plate, and the support plate is detachably connected to the support seat arranged on the shell to form a layered structure. The support plate is also provided with a threading port for connecting the devices on each layer. The utility model can realize the centralized control of the high-voltage load of the air conditioner, effectively save space, and improve service life and reliability. However, the electric control box is only suitable for use in a part of cars and cannot be suitable for use in a variety of models. Utility Model Content

[0004] In view of the above problems and to overcome the defects of the prior art, the utility model proposes an electronic control box suitable for a variety of vehicle air-conditioning high-voltage control systems. The purpose of the utility model is to: have a higher degree of integration and save more internal space of the shell, meet the needs of vehicle air-conditioning systems of different models, types and functions, thereby reflecting the versatility of the electronic control box.

[0005] In order to achieve the above-mentioned purpose, the technical solution adopted by the utility model is as follows: the utility model includes a chassis bottom shell, a first high-voltage control integrated circuit board and a second high-voltage control integrated circuit board installed in the chassis bottom shell, the first high-voltage control integrated circuit board and the second high-voltage control integrated circuit board are stacked and installed up and down, the first high-voltage control integrated circuit board and the second high-voltage control integrated circuit board are both composed of a high-voltage load control DC contactor module, a fuse module, and a compressor pre-charge capacitor module, and the high-voltage load control DC contactor module, the fuse module, the compressor and the pre-charge capacitor module are all electrically connected.

[0006] Preferably, a plurality of high-voltage input ports electrically connected to the first high-voltage control integrated circuit board and the second high-voltage control integrated circuit board are arranged on the chassis bottom shell.

[0007] Preferably, a plurality of high-voltage output ports electrically connected to the first high-voltage control integrated circuit board and the second high-voltage control integrated circuit board are arranged on the chassis bottom shell.

[0008] Preferably, the chassis bottom shell is provided with a plurality of low-voltage interfaces electrically connected to the first high-voltage control integrated circuit board and the second high-voltage control integrated circuit board.

[0009] Preferably, an upper cover plate is provided on the chassis bottom shell, and the upper cover plate is connected to the chassis bottom shell by screws.

[0010] Compared with the prior art, the utility model has the following beneficial effects:

[0011] The utility model uses a first high-voltage control integrated circuit board and a second high-voltage control integrated circuit board, both of which are composed of a high-voltage load control DC contactor module, a fuse module, a compressor pre-charge capacitor module, etc. Different modules are selected for use with the integrated circuit boards according to different vehicle models. Different models and different air-conditioning systems can be used to match different vehicle models. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] Figure 1 It is a three-dimensional schematic diagram of the structure of the utility model;

[0013] Figure 2 It is an exploded schematic diagram of the structure of the utility model.

[0014] Figure numerals: 1-first high-voltage control integrated circuit board, 2-second high-voltage control integrated circuit board, 3-chassis bottom shell, 4-high-voltage input port, 5-high-voltage output port, 6-low-voltage interface, 7-upper cover. DETAILED DESCRIPTION

[0015] 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 in 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.

[0016] The following is combined with Figure 1-2 The specific implementation modes of the present utility model are further described in detail.

[0017] In this embodiment, by Figure 1-2As shown, the utility model includes a chassis bottom shell 3, a first high-voltage control integrated circuit board 1 and a second high-voltage control integrated circuit board 2 installed in the chassis bottom shell 3, the first high-voltage control integrated circuit board 1 and the second high-voltage control integrated circuit board 2 are stacked and installed up and down, fixed by bolts, compactly connected, and reduce space occupancy, the first high-voltage control integrated circuit board 1 and the second high-voltage control integrated circuit board 2 are both composed of a high-voltage load control DC contactor module, a fuse module, and a compressor pre-charge capacitor module, the high-voltage load control DC contactor module, the fuse module, the compressor and the pre-charge capacitor module are all electrically connected, the first high-voltage control integrated circuit board 1 and the second high-voltage control integrated circuit board 2 are for the protection and control of high-voltage loads such as the main circuit, the compressor, PTC heating, and DC-DC, according to the needs of different situations, to carry out high-voltage control integrated circuit boards required for different module integration to meet the needs of vehicle air-conditioning systems of different models, different types, and different functions, thereby reflecting the versatility of the electric control box.

[0018] In this embodiment, by Figure 1-2 As shown, a plurality of high-voltage input ports 4 electrically connected to the first high-voltage control integrated circuit board 1 and the second high-voltage control integrated circuit board 2 are provided on the chassis bottom shell 3 .

[0019] In this embodiment, by Figure 1-2 As shown, the chassis bottom shell 3 is provided with a plurality of high-voltage output ports 5 electrically connected to the first high-voltage control integrated circuit board 1 and the second high-voltage control integrated circuit board 2 .

[0020] In this embodiment, by Figure 1-2 As shown, the chassis bottom shell 3 is provided with a plurality of low-voltage interfaces 6 electrically connected to the first high-voltage control integrated circuit board 1 and the second high-voltage control integrated circuit board 2;

[0021] Through multiple high-voltage input ports 4, high-voltage output ports 5 and low-voltage interfaces 6, various conventional types of sockets can be used, which is convenient for the use of the electric control box.

[0022] In this embodiment, by Figure 1-2 As shown, an upper cover plate 7 is provided on the chassis bottom shell 3, and the upper cover plate 7 is connected to the chassis bottom shell 3 by screws.

[0023] When the utility model is used, a high-voltage load control DC contactor module, a fuse module, a compressor pre-charge capacitor module and other modules are selected according to the vehicle model to integrate the first high-voltage control integrated circuit board 1 and the second high-voltage control integrated circuit board 2, and then the integrated first high-voltage control integrated circuit board 1 and the second high-voltage control integrated circuit board 2 are fixedly installed in the chassis bottom shell 3 by bolts, and the first high-voltage control integrated circuit board 1 and the second high-voltage control integrated circuit board 2 can be electrically connected to the high-voltage input port 4, the high-voltage output port 5 and the low-voltage interface 6 through wires, and then the cover plate can be installed on the chassis bottom shell 3 by screws.

[0024] Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art may still modify the technical solutions described in the aforementioned embodiments, or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention shall be included in the protection scope of the present invention.

Claims

1. An electric control box suitable for various vehicle air-conditioning high-voltage control systems, characterized in that: It includes a chassis bottom shell, a first high-voltage control integrated circuit board and a second high-voltage control integrated circuit board installed in the chassis bottom shell, the first high-voltage control integrated circuit board and the second high-voltage control integrated circuit board are stacked up and down, the first high-voltage control integrated circuit board and the second high-voltage control integrated circuit board are both composed of a high-voltage load control DC contactor module, a fuse module, and a compressor pre-charge capacitor module, and the high-voltage load control DC contactor module, the fuse module and the compressor pre-charge capacitor module are all electrically connected.

2. The electric control box suitable for various vehicle air-conditioning high-voltage control systems according to claim 1, characterized in that: The chassis bottom shell is provided with a plurality of high-voltage input ports electrically connected to the first high-voltage control integrated circuit board and the second high-voltage control integrated circuit board.

3. The electric control box suitable for various vehicle air-conditioning high-voltage control systems according to claim 1, characterized in that: The chassis bottom shell is provided with a plurality of high-voltage output ports electrically connected to the first high-voltage control integrated circuit board and the second high-voltage control integrated circuit board.

4. The electric control box suitable for various vehicle air-conditioning high-voltage control systems according to claim 1, characterized in that: The chassis bottom shell is provided with a plurality of low voltage interfaces electrically connected to the first high voltage control integrated circuit board and the second high voltage control integrated circuit board.

5. The electric control box suitable for various vehicle air-conditioning high-voltage control systems according to claim 1, characterized in that: An upper cover plate is arranged on the chassis bottom shell, and the upper cover plate is connected to the chassis bottom shell by screws.

Images