Controller and fuel cell air compressor deep integration all-in-one machine

Abstract

The utility model discloses a controller and fuel cell air compressor deep integration all-in-one machine, which comprises an air compressor main body, one end of the air compressor main body is provided with a semi-annular water channel wall, and one end of the air compressor main body is fixedly provided with a semi-annular fixed seat on one side of the semi-annular water channel wall; the semi-annular water channel wall and the semi-annular fixing base are arranged in a ring shape. A controller is fixedly arranged at the end, close to the semi-annular water channel wall and the semi-annular fixing base, of the air compressor body. According to the controller and fuel cell air compressor deep integration all-in-one machine, the controller part and the air compressor part are connected and integrated together, the design of the semicircular water channel wall is adopted, only the semicircular part is occupied, a water channel does not need to be made on the other semicircular side, and therefore a space can be reserved for installing a high-pressure plate, and the height direction can be shortened; in other words, the occupied space of the whole height is reduced, and the occupied volume of the whole is reduced.

Description

Technical Field

[0001] The utility model relates to the technical field of controller and air compressor integrated machine, and in particular to an integrated machine which deeply integrates a controller and a fuel cell air compressor. Background Art

[0002] In recent years, under the dual pressure of energy crisis and environmental protection, fuel cell technology has developed rapidly due to the demand for efficient and clean energy. Fuel cell technology has the advantages of fuel diversification, clean emissions, low noise, low environmental pollution, good reliability and maintainability. It is considered to be a new energy with great development prospects, and is considered a key project in the high-tech field of countries around the world. The new energy fuel cell working system plays a vital role in the work of fuel cell electric vehicles, and the operation of this system is inseparable from the compressed air provided by the air compressor. The air compressor directly affects the compression ratio, efficiency, noise and other important performance indicators of the entire fuel cell system.

[0003] However, the controller and the air compressor are both relatively large in size, and both products generally require water circuits to dissipate heat and control their operating temperature to ensure normal operation; the water circuits of the controller and the air compressor require a certain amount of installation space during installation, and different wiring harnesses are required to connect the various circuit boards during installation, which is not easy to install and maintain in places with limited space; and general controllers and air compressors are of integral design and cannot be disassembled, making them inconvenient to repair; therefore, the present application proposes a controller and a fuel cell air compressor that are deeply integrated into one machine to solve the above-mentioned problems of the controller and air compressor being non-disassembled, difficult to install and repair, and having a large size. Utility Model Content

[0004] In view of the above-mentioned defects or deficiencies in the prior art, it is desired to provide an integrated device that deeply integrates a controller and a fuel cell air compressor.

[0005] The utility model provides a controller and a fuel cell air compressor deeply integrated into one machine, including an air compressor body, one end of the air compressor body is provided with a semi-annular water channel wall, one end of the air compressor body is fixedly provided with a semi-annular fixing seat located on one side of the semi-annular water channel wall; the semi-annular water channel wall and the semi-annular fixing seat are arranged in a ring shape; a controller is fixedly arranged on one end of the air compressor body near the semi-annular water channel wall and the semi-annular fixing seat.

[0006] Furthermore, the controller includes a silicon carbide module arranged on the outer side of the semi-annular water channel wall; a main control board is welded and arranged above the end faces of the semi-annular water channel wall and the semi-annular fixing seat corresponding to the silicon carbide module; a high-voltage board is arranged above the semi-annular fixing seat and below the main control board; the main control board and the high-voltage board are connected by a copper busbar.

[0007] Furthermore, one end of the shell of the air compressor body is integrally formed with a fixed annular mounting edge, and the annular mounting edge is arranged below the circumferential outer side of the semi-annular water channel wall and the semi-annular fixing seat; an O-ring is embedded and fixed on the end face of one side of the annular mounting edge close to the main control panel.

[0008] Furthermore, the controller also includes a cylindrical shell and a cover plate, the cylindrical shell is sleeved on one end of the air compressor body and is located on the circumferential outside of the main control board and the silicon carbide module, and one end of the cylindrical shell is fixedly connected to the annular mounting edge by screws; the cover plate is fixedly arranged on one end of the cylindrical shell away from the annular mounting edge by screws.

[0009] Furthermore, the main control panel is installed above the semi-annular water channel wall through three groups of first fixing components distributed in a triangular shape; the first fixing component includes a first stud; one end of the first stud is fixedly set on the stator inside the air compressor body, and the other end of the first stud is connected and fixed to the main control panel.

[0010] Furthermore, the high-voltage board is installed between the main control board and the semi-annular fixing seat by means of three groups of second fixing components arranged on the semi-annular fixing seat; the second fixing component includes a threaded hole arranged on the top surface of the semi-annular fixing seat, and a second stud is arranged corresponding to the threaded hole, and the end of the second stud away from the threaded hole is connected and fixed to the high-voltage board.

[0011] Furthermore, the silicon carbide holes on the main control board are aligned and welded with the pins of the silicon carbide module.

[0012] Compared with the prior art, the beneficial effects of the utility model are:

[0013] The controller and the fuel cell air compressor of the utility model are deeply integrated into one machine, the controller part and the air compressor part are connected and integrated together, and a semi-circular water channel wall is shared for heat dissipation. The PCBA in the controller is reduced from 6 in the original traditional design to 2, achieving deep integration, which not only reduces the number of PCBAs but also shortens the overall appearance, making it more suitable for installation in a small space;

[0014] In addition, the number of silicon carbide modules has been reduced from 12 in the original traditional design to 6, and they are arranged vertically on the outer surface of the semi-circular water channel wall. The semi-circular water channel wall design only occupies the semicircular part, and the other semicircular side does not need to make a water channel, so there is space to install the high-voltage board, and the height direction can be shortened, that is, the overall height occupied space is reduced, and the overall occupied volume is reduced; the connection between PCBAs is changed from the original wire harness connection to copper bus connection, which can better achieve heat dissipation;

[0015] In addition, the connection between the cylindrical shell in the controller and the air compressor body is a detachable connection, which is more convenient for installation, disassembly and maintenance.

[0016] It should be understood that the contents described in the summary of the utility model are not intended to limit the key or important features of the embodiments of the utility model, nor are they intended to limit the scope of the utility model.

[0017] Other features of the present invention will become readily understood through the following description. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Other features, objects and advantages of the present invention will become more apparent by reading the detailed description of non-limiting embodiments made with reference to the following drawings:

[0019] Figure 1 A schematic diagram of the structure of a controller and a fuel cell air compressor deeply integrated into one machine provided by an embodiment of the utility model;

[0020] Figure 2 This is a schematic diagram of the structure after the air compressor body, the main control panel and the silicon carbide module are assembled;

[0021] Figure 3 It is a schematic diagram of the structure after the upper semi-annular water channel wall, the semi-annular fixing seat, the first stud and the second stud of the air compressor body are assembled;

[0022] Figure 4 This is a schematic diagram of the structure after assembly between the air compressor body and the high-pressure plate;

[0023] Figure 5 It is a cross-sectional view of the first stud being assembled on the air compressor body;

[0024] Numbers in the figure: 1. Air compressor body; 2. Semi-annular water channel wall; 3. Semi-annular fixing seat; 4. Annular mounting edge; 5. O-ring; 6. Stator; 7. Radial bearing seat; 8. Radial bearing cover; 9. Clamp; 10. Controller; 101. Silicon carbide module; 102. Main control board; 103. High-voltage board; 104. Cylindrical shell; 105. Cover plate; 106. First stud; 107. Second stud. DETAILED DESCRIPTION

[0025] The utility model is further described in detail below in conjunction with the accompanying drawings and embodiments. It is understood that the specific embodiments described herein are only used to explain the relevant utility model, rather than to limit the utility model. It is also necessary to explain that, for the convenience of description, only the parts related to the utility model are shown in the accompanying drawings.

[0026] It should be noted that, in the absence of conflict, the embodiments and features of the embodiments of the present invention can be combined with each other. The present invention will be described in detail below with reference to the accompanying drawings and in combination with the embodiments.

[0027] Please refer to Figures 1 to 5 The embodiment of the utility model provides a controller and a fuel cell air compressor deeply integrated machine, including an air compressor body 1, one end of the air compressor body 1 is fixedly provided with a semi-annular water channel wall 2, the inner waterway of the semi-annular water channel wall 2 is connected to the water inlet and the water outlet provided on the air compressor body 1, the air compressor body 1 and the controller 10 share a semi-annular water channel wall 2 for cooling, which reduces the occupied space of the controller 10 and the air compressor body 1 after assembly, and is convenient for installing the controller and the air compressor in a small space;

[0028] One end of the air compressor body 1 is fixedly provided with a semi-annular fixing seat 3 on one side of the semi-annular water channel wall 2; the semi-annular water channel wall 2 and the semi-annular fixing seat 3 are arranged in a ring shape; a controller 10 is fixedly provided on one end of the air compressor body 1 close to the semi-annular water channel wall 2 and the semi-annular fixing seat 3; the controller 10 includes a silicon carbide module 101, a main control board 102, a high-voltage board 103, a cylindrical shell 104 and a cover plate 105, etc., and one end of the entire controller 10 is detachably fixedly set on one end of the air compressor body 1.

[0029] In a preferred embodiment, the controller 10 includes a silicon carbide module 101 arranged on the outer surface of the semi-annular water channel wall 2, and there are 6 silicon carbide modules 101. The 6 silicon carbide modules 101 are evenly distributed on the outer arc surface of the semi-annular water channel wall 2, which is conducive to good cooling and heat dissipation through the semi-annular water channel wall 2; compared with the traditional design scheme in which the number of silicon carbide modules is set to 12, the number of silicon carbide modules in this scheme is reduced from 12 to 6, which cooperates with the semi-annular water channel wall 2 to realize the design of the traditional annular water channel wall as a semi-annular water channel wall 2, and the other half is set as a semi-annular fixing seat 3, and the high-pressure plate 103 is set on one side of the semi-annular fixing seat 3, thereby reducing the overall volume of the air compressor body 1 and the controller 10;

[0030] A main control board 102 is welded and arranged above the end surfaces of the semi-annular water channel wall 2 and the semi-annular fixing seat 3 in alignment with the silicon carbide module 101; a high-voltage board 103 is arranged above the semi-annular fixing seat 3 and below the main control board 102; the main control board 102 and the high-voltage board 103 are connected by a copper busbar, which abandons the traditional wiring harness connection, and the copper busbar can better dissipate heat.

[0031] In a preferred embodiment, one end of the shell of the air compressor body 1 is integrally formed with an annular mounting edge 4, and the annular mounting edge 4 is arranged below the circumferential outer side of the semi-annular water channel wall 2 and the semi-annular fixing seat 3;

[0032] Among them, the controller 10 also includes a cylindrical shell 104 and a cover plate 105. The cylindrical shell 104 is sleeved on one end of the air compressor body 1 and is located on the circumferential outside of the main control board 102 and the silicon carbide module 101, and one end of the cylindrical shell 104 is fixedly connected to the annular mounting edge 4 by screws; the cover plate 105 is fixedly arranged on the end of the cylindrical shell 104 away from the annular mounting edge 4 by screws.

[0033] An O-ring 5 is embedded and fixedly provided on the end surface of the annular mounting edge 4 close to the main control board 102 to improve the installation stability between the shell of the air compressor body 1 and the cylindrical shell 104.

[0034] The inside of the air compressor body 1 includes but is not limited to a stator 6 arranged in sequence, a radial bearing seat 7 is arranged above the stator 6, a radial bearing cover 8 is arranged on the inner side of the radial bearing seat 7, and a clamp 9 is arranged on the circumferential outer side of the radial bearing seat 8;

[0035] The main control board 102 is installed above the semi-annular water channel wall 2 through three groups of first fixing components distributed in a triangular shape; the first fixing component has a first stud 106, one end of the first stud 106 passes through the radial bearing seat 7 and is fixedly connected to the stator 6 inside the air compressor body 1, and the other end of the first stud 106 is connected and fixed to the main control board 102, so as to realize the installation and fixation of the main control board 102; wherein, the first stud 106 passes through the design of the radial bearing seat 7, and the first stud 106 will not interfere with the radial bearing seat 7.

[0036] In a preferred embodiment, the high-voltage board 103 is installed between the main control board 102 and the semi-annular fixing seat 3 by means of three groups of second fixing components arranged on the semi-annular fixing seat 3; the second fixing component includes a threaded hole arranged on the top surface of the semi-annular fixing seat 3, and a second stud 107 is arranged corresponding to the threaded hole, and the end of the second stud 107 away from the threaded hole is connected and fixed to the high-voltage board 103.

[0037] In a preferred embodiment, the silicon carbide holes on the main control board 102 are aligned with the pins of the silicon carbide module 101 for welding.

[0038] The present application deeply integrates the controller and the fuel cell air compressor to form an integrated machine, thereby reducing the overall occupied space and making it more suitable for installation in a small space; the controller 10 and the air compressor body 1 share a semi-annular water channel wall 2 for heat dissipation and cooling, which can control the temperature lower and more constantly, and a semi-annular fixing seat 3 is set on one side of the semi-annular water channel wall 2, reserving space for setting and installing the high-voltage board 103, and the high-voltage board 103 is installed between the semi-annular fixing seat 3 and the main control board 102, saving installation space and making it easier to connect the main control board 102 and the high-voltage board 103 through the copper busbar. The design of the semi-annular water channel wall 2 and the semi-annular fixing seat 3 saves more space and also reserves installation space for the installation of the high-voltage board 103, further reducing the volume between the air compressor body 1 and the controller 10, making it easier to install it in a small space.

[0039] In the description of this specification, the terms "connection", "installation", "fixation" and the like should be understood in a broad sense. For example, "connection" can be a fixed connection, a detachable connection, or an integral connection; it can be a direct connection or an indirect connection through an intermediate medium. For ordinary technicians in this field, the specific meanings of the above terms in this application can be understood according to specific circumstances.

[0040] In the description of this specification, the description of the terms "one embodiment", "some embodiments", etc. means that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the present application. In this specification, the schematic representation of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable manner.

[0041] The above are only preferred embodiments of the present application and are not intended to limit the present application. For those skilled in the art, the present application may have various modifications and variations. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application shall be included in the protection scope of the present application.

Claims

1. A controller and a fuel cell air compressor are deeply integrated into one machine, characterized in that: It includes an air compressor body, one end of which is provided with a semi-annular water channel wall, and one end of the air compressor body is fixedly provided with a semi-annular fixing seat located on one side of the semi-annular water channel wall; the semi-annular water channel wall and the semi-annular fixing seat are arranged in a ring shape; and a controller is fixedly provided on one end of the air compressor body close to the semi-annular water channel wall and the semi-annular fixing seat.

2. The controller and fuel cell air compressor deep integration integrated machine according to claim 1 is characterized in that: The controller includes a silicon carbide module arranged on the outer side of the semi-annular water channel wall; a main control board is welded and arranged above the end surface of the semi-annular water channel wall and the semi-annular fixing seat in alignment with the silicon carbide module; a high-voltage board is arranged above the semi-annular fixing seat and below the main control board; the main control board and the high-voltage board are connected by a copper busbar.

3. The controller and fuel cell air compressor deep integration integrated machine according to claim 2 is characterized in that: One end of the shell of the air compressor body is integrally formed with a fixed annular mounting edge, and the annular mounting edge is arranged below the circumferential outer side of the semi-annular water channel wall and the semi-annular fixing seat; an O-ring is embedded and fixed on the end surface of one side of the annular mounting edge close to the main control panel.

4. The controller and fuel cell air compressor deep integration integrated machine according to claim 3 is characterized in that: The controller also includes a cylindrical shell and a cover plate. The cylindrical shell is sleeved on one end of the air compressor body and is located on the circumferential outside of the main control board and the silicon carbide module, and one end of the cylindrical shell is fixedly connected to the annular mounting edge by screws; the cover plate is fixedly arranged on one end of the cylindrical shell away from the annular mounting edge by screws.

5. The controller and fuel cell air compressor deep integration integrated machine according to claim 2 is characterized in that: The main control panel is installed above the semi-annular water channel wall through three groups of first fixing components distributed in a triangular shape; the first fixing component includes a first stud; one end of the first stud is fixedly set on the stator inside the air compressor body, and the other end of the first stud is connected and fixed to the main control panel.

6. The controller and fuel cell air compressor deep integration integrated machine according to claim 2 is characterized in that: The high-voltage board is installed between the main control board and the semi-annular fixing seat by means of three groups of second fixing components arranged on the semi-annular fixing seat; the second fixing component includes a threaded hole arranged on the top surface of the semi-annular fixing seat, and a second stud is arranged corresponding to the threaded hole, and the end of the second stud away from the threaded hole is connected and fixed to the high-voltage board.

7. The controller and fuel cell air compressor deep integration integrated machine according to claim 2 is characterized in that: The silicon carbide holes on the main control board are aligned and welded with the pins of the silicon carbide module.

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