Vehicle-mounted air conditioner compressor driver

Abstract

The utility model discloses a vehicle-mounted air conditioner compressor driver, relates to the field of vehicle-mounted air conditioners, solves the problem of poor contact type heat dissipation effect of a circuit board and MOS (Metal Oxide Semiconductor) tubes on the circuit board in the prior art, and adopts the following scheme that the vehicle-mounted air conditioner compressor driver comprises a driver box and the circuit board arranged on the inner side of the driver box; two groups of air inlet grooves opposite in position are formed in the side wall of the driver box, a pump pipe connected with the air inlet grooves is fixedly mounted on the outer wall of the driver box, the pump pipe is fixedly connected to the output end of the micro air pump, and a heat dissipation groove is formed in the other side wall of the driver box; according to the vehicle-mounted air conditioner compressor driver, through the arrangement of all the assemblies on the driver box, the micro air pump on the outer side can be used for conveying air on the outer side into the inner cavity of the driver box through the air inlet groove, and the air penetrates through the air groove in the air guide plate to make contact with an MOS tube installed on the top of the circuit board; therefore, cooling and heat dissipation are carried out on the MOS tube in a mode of reducing the ambient temperature around the MOS tube, the heat dissipation effect is ensured, and the structure is simple.

Description

Technical Field

[0001] The utility model relates to the technical field of vehicle-mounted air conditioners, in particular to a vehicle-mounted air conditioner compressor driver. Background Art

[0002] In existing on-board air-conditioning compressor drivers, MOS tubes are mostly connected in parallel;

[0003] After searching, the application with patent number CN202023224595.9 discloses a vehicle air-conditioning compressor driver, which includes a housing, a heat sink, a printed circuit board and a heat conductor; the heat sink is arranged in the housing, the side of the heat sink facing the housing is the installation side, and the side of the heat sink away from the housing is the heat dissipation side; the printed circuit board is arranged between the housing and the heat sink; the heat conductor is arranged between the heat sink and the printed circuit board, a plurality of MOS tubes are arranged on the side of the heat conductor facing the printed circuit board, and the side of the heat conductor facing the printed circuit board is abutted against the installation side of the heat sink;

[0004] The above application document provides contact heat dissipation through the arrangement of various groups of contact parts on the heat sink. Multiple groups of MOS tubes still need to be equipped with multiple groups of heat dissipation parts of different shapes. The assembly process is complicated, the installation time and difficulty are still high, and the practicality is low.

[0005] Therefore, we propose a vehicle air-conditioning compressor driver. Utility Model Content

[0006] In view of the deficiencies in the prior art, the utility model provides a vehicle-mounted air-conditioning compressor driver, which solves the problem of poor contact heat dissipation effect for a circuit board and a MOS tube thereon.

[0007] To achieve the above objectives, the utility model is implemented through the following technical solutions: a vehicle air-conditioning compressor driver, including a driver box and a circuit board installed inside the driver box;

[0008] Two sets of oppositely positioned air inlet grooves are provided in the side wall of the driver box, a pump tube connected to the air inlet groove is fixedly installed on the outer wall of the driver box, and the pump tube is fixedly connected to the output end of the micro air pump, and a heat dissipation groove is provided on the other side wall of the driver box.

[0009] Preferably, the top and bottom of the drive box are both assembled with cover plates through bolt assemblies;

[0010] The setting of the cover plate can ensure the sealing of the upper and lower sides thereof, thereby preventing the leakage of the inner airflow.

[0011] Preferably, six groups of main mounting ears in opposite positions are fixedly mounted on the inner side of the driver box, and a circuit board is assembled on the top side of each group of main mounting ears through a bolt assembly;

[0012] The arrangement of the main mounting ears facilitates the positioning of the circuit board and ensures its installation stability.

[0013] Preferably, eight groups of upper and lower opposite auxiliary mounting ears are fixedly installed at the corners of the inner side of the driver box, and the upper and lower groups of auxiliary mounting ears are assembled with upper and lower groups of air guide plates through bolt assemblies;

[0014] Among them, the arrangement of each group of auxiliary mounting ears can stably install the air guide plate.

[0015] Preferably, the air guide plate is an oblique plate, and air grooves distributed at intervals are provided on the air guide plate;

[0016] Among them, the air guide plate gradually rises from left to right, and the air flow on its outer side passes through the air groove and contacts the MOS tube on the top of the circuit board to ensure the heat dissipation effect.

[0017] Preferably, a temperature monitoring module is fixedly mounted on the inner wall of the driver box;

[0018] Among them, the setting of the temperature monitoring module can monitor the ambient temperature inside the drive box in real time and monitor the heat dissipation effect.

[0019] Preferably, the pump tube is a side U-shaped tube, and both ends of the pump tube are connected to the upper and lower groups of air inlet grooves;

[0020] Among them, the setting of the pump tube can input external airflow from the upper and lower sides, thereby cooling the circuit board from the upper and lower sides to ensure the heat dissipation effect.

[0021] The utility model provides a vehicle air-conditioning compressor driver, which has the following beneficial effects:

[0022] The vehicle-mounted air-conditioning compressor driver, through the arrangement of various components on the driver box, can use the outer micro air pump to transport the outer gas to the inner cavity of the driver box through the air inlet groove, and pass through the air groove on the air guide plate to contact the MOS tube installed on the top of the circuit board, so as to cool and dissipate the heat of the MOS tube by reducing the ambient temperature of the surrounding area. The structure is simple and the heat dissipation effect is good, which solves the problem of poor contact heat dissipation effect of the circuit board and the MOS tube thereon. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] Figure 1 It is a schematic diagram of the structure of the utility model;

[0024] Figure 2 It is a schematic diagram of the structure of the inner side of the utility model;

[0025] Figure 3 It is a schematic diagram of the internal structure of the utility model;

[0026] Figure 4 It is a structural schematic diagram of the drive box of the utility model.

[0027] In the figure: 1. drive box; 2. cover plate; 3. pump pipe; 4. heat sink; 5. air intake slot; 6. air guide plate; 7. circuit board; 8. main mounting ear; 9. auxiliary mounting ear. DETAILED DESCRIPTION

[0028] 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.

[0029] See also Figure 1-4 The embodiment of the utility model provides a technical solution: a vehicle air-conditioning compressor driver, comprising a driver box 1 and a circuit board 7 installed inside the driver box; two sets of air inlet grooves 5 opposite to each other are opened in the side wall of the driver box 1, a pump tube 3 connected to the air inlet groove 5 is fixedly installed on the outer wall of the driver box 1, and the pump tube 3 is fixedly connected to the output end of the micro air pump, and a heat dissipation groove 4 is opened on the other side wall of the driver box 1;

[0030] Among them, the vehicle-mounted air-conditioning compressor driver, through the arrangement of various components on the driver box 1, can use the outer micro air pump to transport the outer gas to the inner cavity of the driver box 1 through the air inlet groove 5, and pass through the air groove on the air guide plate 6 to contact the MOS tube installed on the top of the circuit board 7, so as to cool and dissipate the heat of the MOS tube by lowering the ambient temperature of the surrounding area. The structure is simple and the heat dissipation effect is good, which solves the problem of poor contact heat dissipation effect of the circuit board 7 and the MOS tube thereon.

[0031] Embodiment 2: The top and bottom of the driver box 1 are both assembled with a cover plate 2 through a bolt assembly; wherein, the setting of the cover plate 2 can ensure the sealing of the upper and lower sides thereof, and prevent the leakage of the airflow inside thereof.

[0032] Six groups of main mounting ears 8 in opposite positions are fixedly installed on the inner side of the drive box 1, and the top side of each group of main mounting ears 8 is assembled with a circuit board 7 through a bolt assembly; wherein, the setting of the main mounting ears 8 facilitates the position limitation of the circuit board 7 to ensure its installation stability.

[0033] Eight groups of upper and lower opposite auxiliary mounting ears 9 are fixedly installed at the corners on the inner side of the drive box 1, and the upper and lower groups of auxiliary mounting ears 9 are assembled with upper and lower groups of air guide plates 6 through bolt assemblies; wherein, the setting of each group of auxiliary mounting ears 9 can stably install the air guide plate 6.

[0034] The air guide plate 6 is an oblique plate, and is provided with air grooves distributed at intervals; wherein the air guide plate 6 gradually rises from left to right, and the outer airflow passes through the air grooves and contacts the MOS tube on the top of the circuit board 7 to ensure the heat dissipation effect.

[0035] A temperature monitoring module is fixedly mounted on the inner wall of the driver box 1 ; wherein, the setting of the temperature monitoring module can monitor the ambient temperature inside the driver box 1 in real time and monitor the heat dissipation effect.

[0036] The pump tube 3 is a side U-shaped tube, and both ends of the pump tube 3 are connected to the upper and lower groups of air inlet grooves 5; wherein, the setting of the pump tube 3 can input external airflow from the upper and lower sides, thereby cooling the circuit board 7 from the upper and lower sides to ensure the heat dissipation effect.

[0037] The working principle and use process of the utility model are as follows: when the device is needed to work, the circuit board 7 and the two sets of air guide plates 6 are fixedly installed on the inner side of the driver box 1. When working, the outer micro air pump conveys the outer airflow to the inner cavity of the driver box 1 through the pump pipe 3 and the two sets of air inlet grooves 5, and cooperates with the air grooves on the air guide plates 6 to efficiently cool the MOS tubes on the top and bottom sides of the circuit board 7 to ensure the heat dissipation effect.

[0038] The above shows and describes the basic principles and main features of the utility model and the advantages of the utility model. For those skilled in the art, it is obvious that the utility model is not limited to the details of the above exemplary embodiments, and can be implemented in other specific forms without departing from the spirit or basic features of the utility model. Therefore, no matter from which point of view, the embodiments should be regarded as exemplary and non-restrictive. The scope of the utility model is limited by the attached claims rather than the above description, and it is intended to include all changes within the meaning and scope of the equivalent elements of the claims. Any figure mark in the claims should not be regarded as limiting the claims involved.

[0039] In addition, it should be understood that although the present specification is described according to implementation modes, not every implementation mode contains only one independent technical solution. This description of the specification is only for the sake of clarity. Those skilled in the art should regard the specification as a whole. The technical solutions in each embodiment may also be appropriately combined to form other implementation modes that can be understood by those skilled in the art.

Claims

1. A vehicle air-conditioning compressor driver, comprising a driver box (1) and a circuit board (7) installed inside the driver box; Features: Two sets of air inlet grooves (5) in opposite positions are provided in the side wall of the driver box (1); a pump tube (3) connected to the air inlet groove (5) is fixedly mounted on the outer wall of the driver box (1); the pump tube (3) is fixedly connected to the output end of the micro air pump; and a heat dissipation groove (4) is provided on the other side wall of the driver box (1).

2. The vehicle air-conditioning compressor driver according to claim 1, characterized in that: The top and bottom of the drive box (1) are both assembled with cover plates (2) via bolt assemblies.

3. The vehicle air-conditioning compressor driver according to claim 1, characterized in that: Six groups of main mounting ears (8) in opposite positions are fixedly mounted on the inner side of the drive box (1), and a circuit board (7) is assembled on the top side of each group of main mounting ears (8) via a bolt assembly.

4. The vehicle air-conditioning compressor driver according to claim 1, characterized in that: Eight groups of upper and lower opposite auxiliary mounting ears (9) are fixedly mounted at the corners on the inner side of the drive box (1), and the upper and lower groups of auxiliary mounting ears (9) are assembled with upper and lower groups of air guide plates (6) via bolt assemblies.

5. The vehicle air-conditioning compressor driver according to claim 4, characterized in that: The air guide plate (6) is an oblique plate, and air grooves distributed in an interval manner are provided on the air guide plate (6).

6. The vehicle air-conditioning compressor driver according to claim 1, characterized in that: A temperature monitoring module is fixedly mounted on the inner wall of the drive box (1).

7. The vehicle air-conditioning compressor driver according to claim 1, characterized in that: The pump tube (3) is a side U-shaped tube, and both ends of the pump tube (3) are connected to the upper and lower groups of air inlet grooves (5).

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