Terminal assembly, compressor and vehicle

Abstract

The utility model belongs to the technical field of compressors, and discloses a terminal assembly, a compressor and a vehicle, the terminal assembly comprises a substrate, PINs, an insulating plug and a terminal shell, and the substrate is provided with a first through hole; the PINs penetrate through the first through holes, sintering bodies are arranged between the outer walls of the PINs and the inner walls of the first through holes, and the PINs are fixedly connected with the substrate through sintering of the sintering bodies; the insulating plugs are tightly arranged on the peripheries of the PINs in a sleeving mode, the insulating plugs are tightly connected with the substrate in an abutting mode, and ports of the first through holes are sealed through the insulating plugs; the terminal shell is fixedly installed on the substrate, and the insulating plug is located in the terminal shell. According to the terminal assembly provided by the utility model, the connection strength of the PINs and the substrate is enhanced, the insulating plugs are adopted for insulation protection, potential safety hazards are reduced, and the terminal shell integrates high-voltage and low-voltage wire harnesses, so that the high-voltage and low-voltage wire harnesses can be in stable contact with the PINs.

Description

TECHNICAL FIELD

[0001] The utility model relates to compressor technical field especially terminal subassembly, compressor and vehicle. BACKGROUND

[0002] The structure of the electric drive system of the existing electric vehicle gradually develops from distributed type to integrated type, and the motor, the speed reducer, the motor controller, the direct current converter, the vehicle controller, the compressor and the water pump are integrated into an integral drive system, the core components of the electric compressor include the motor, the compressor and the control system, the motor converts electric energy into mechanical energy to drive the rotor in the compressor to rotate, so that the refrigerant in the compression chamber is compressed, the refrigerant changes from low pressure state to high pressure gas, the high pressure gas enters the condenser, the high pressure gas is cooled and liquefied in the condenser, and the liquefied refrigerant is depressurized by the expansion valve and enters the evaporator, absorbs the heat in the vehicle in the evaporation process, and cools the vehicle. Most of the existing electric compressors adopt the compressor automatic controller, which is connected with the driving system of the vehicle through high and low voltage wire harness, and the connection point of this mode is multiple, the current is large, and there is certain safety hazard. SUMMARY

[0003] The utility model discloses a terminal subassembly, compressor and vehicle, strengthen the connection strength of PIN needle and base plate, adopt insulating plug and carry out insulation protection, reduce the security risk.

[0004] To achieve this purpose, the utility model adopts the following technical scheme:

[0005] First, a terminal subassembly is provided, comprising:

[0006] The base plate is provided with a first through hole;

[0007] The PIN needle penetrates the first through hole, and a sintered body is arranged between the outer wall of the PIN needle and the inner wall of the first through hole, and the PIN needle and the base plate are fixedly connected through the sintered body;

[0008] The insulating plug is tightly sleeved on the peripheral part of the PIN needle, and the insulating plug tightly abuts against the base plate, and the insulating plug seals the port of the first through hole;

[0009] The terminal shell is fixedly installed on the base plate, and the insulating plug is located in the interior of the terminal shell.

[0010] As an optional technical scheme, the base plate is provided with a plurality of first through holes, each first through hole is provided with a PIN needle and a sintered body, and a plurality of PIN needles penetrate a common insulating plug.

[0011] As an optional technical scheme, the terminal shell comprises a terminal part and a mounting part, the mounting part is adapted to the shape of the substrate, and is attached to the substrate, and the terminal part is protruded on the mounting part and surrounds the outside of the PIN pin.

[0012] As an optional technical scheme, the terminal shell is connected with the substrate through adhesion.

[0013] As an optional technical scheme, the terminal shell is made of rubber material.

[0014] As an optional technical scheme, the substrate is provided with a ring groove on the side away from the insulating plug, the ring groove surrounds the periphery of the PIN pin, and the ring groove is tightly embedded with a sealing ring.

[0015] As an optional technical scheme, the side of the substrate provided with the sealing ring is also provided with a gasket, and the gasket surrounds the periphery of the sealing ring.

[0016] In a second aspect, a compressor is provided, comprising a shell assembly, a motor assembly, a pump body assembly, and a terminal assembly as described above, the motor assembly and the pump body assembly are arranged in the interior of the shell assembly, the terminal assembly is fixedly installed on the exterior of the shell assembly, the terminal assembly is electrically connected with the motor assembly, and the motor assembly is in driving connection with the pump body assembly.

[0017] As an optional technical scheme, the interior of the shell assembly is provided with a partition plate, the partition plate divides the interior of the shell assembly into a low-pressure cavity and a high-pressure cavity, the motor assembly is located in the low-pressure cavity, a side wall of the low-pressure cavity is provided with an air suction port communicated with the outside, the pump body assembly is located in the high-pressure cavity, the high-pressure cavity is provided with an air exhaust port communicated with the outside, and the terminal assembly is fixed on the shell assembly corresponding to the low-pressure cavity.

[0018] As an optional technical scheme, the substrate is provided with a second through hole, a threaded fastener is threadedly connected to the shell assembly after passing through the second through hole, the threaded fastener locks the substrate to the outer wall of the shell assembly, and a sealing ring and / or a gasket is arranged between the substrate and the shell assembly.

[0019] In a third aspect, a vehicle is also provided, comprising a vehicle driving system and a compressor as described above, the vehicle driving system comprises a compressor controller, the compressor comprises a terminal assembly, and the compressor controller is connected with the terminal assembly.

[0020] The utility model has the advantages of:

[0021] The utility model provides a terminal assembly, terminal assembly includes the substrate, PIN needle and insulating plug, the substrate is equipped with first through -hole, PIN needle is penetrated in first through -hole, and the outer wall of PIN needle is equipped with sintered body between the inner wall of first through -hole, and PIN needle is connected with the substrate through sintered body sintering fixedly, and the insulating plug is tightly sleeved in the peripheral part of PIN needle, and the insulating plug is tightly abuts with the substrate, and the insulating plug seals the port of first through -hole.

[0022] PIN needle and the substrate are connected through sintered body sintering fixedly, guarantee PIN needle and the connection strength of the substrate, prevent PIN needle loose, the drive system of whole vehicle is connected with PIN needle of terminal assembly through high low voltage wire harness, and the insulating plug is isolated between high low voltage wire harness and sintered body, prevents electric arc and produces the interference to sintered body, and the safety performance is guaranteed, and the terminal shell is integrated to high low voltage wire harness, and high low voltage wire harness can be contacted with PIN needle stably.

[0023] The utility model also provides a compressor, and the compressor includes a shell assembly, a motor assembly, a pump body assembly and the above terminal assembly, the motor assembly and the pump body assembly are arranged in the inside of the shell assembly, the terminal assembly is fixedly installed on the outside of the shell assembly, the terminal assembly is electrically connected with the motor assembly, and the motor assembly is drivingly connected with the pump body assembly.

[0024] The drive system of the whole vehicle supplies power to the motor assembly and controls the operation of the motor assembly through the high low voltage wire harness and the terminal assembly, and the motor assembly drives the pump body assembly to compress the refrigerant. The compressor of the utility model does not need to additionally set a controller, and the cost is low.

[0025] The utility model also provides a vehicle, and the vehicle includes a whole vehicle drive system and the above compressor, the whole vehicle drive system includes a compressor controller, the compressor includes a terminal assembly, and the compressor controller is connected with the terminal assembly. ACCOUT OF DRAWINGS

[0026] Figure 1 It is the sectional view of the compressor of the utility model;

[0027] Figure 2 It is the sectional view of the terminal assembly of the utility model;

[0028] Figure 3 It is the partial structure schematic view of the first visual angle of the terminal assembly of the utility model;

[0029] Figure 4 It is the partial structure schematic view of the second visual angle of the terminal assembly of the utility model;

[0030] Figure 5 It is the partial structure schematic view of the third visual angle of the terminal assembly of the utility model;

[0031] Figure 6is a partial structure schematic view of the fourth visual angle of the terminal assembly of the utility model;

[0032] Figure 7 is a structure schematic view of the fifth visual angle of the terminal shell of the utility model;

[0033] Figure 8 is a structure schematic view of the sixth visual angle of the terminal shell of the utility model;

[0034] Figure 9 is a structure schematic view of the gasket of the utility model.

[0035] In the drawings:

[0036] 100, terminal assembly; 200, shell assembly; 201, partition plate; 202, low pressure cavity; 203, high pressure cavity; 204, air suction port; 205, exhaust port; 300, motor assembly; 400, pump body assembly;

[0037] 1, base plate; 2, PIN; 3, sintered body; 4, insulating plug; 5, terminal shell; 51, terminal part; 52, mounting part; 6, sealing ring; 7, gasket; 8, threaded fastener. DETAILED DESCRIPTION

[0038] The utility model will be further described in detail below in combination with the drawings and examples. It can be understood that the specific examples described here are only used to explain the utility model, and not limited to the utility model. In addition, it should be noted that, in order to facilitate the description, only the part related to the utility model is shown in the drawings, not all structures.

[0039] In the description of the utility model, unless otherwise explicitly specified and limited, the terms "connected", "connected", "fixed" should be understood broadly, for example, it can be fixedly connected, or it can be detachably connected, or it can be integrated; it can be mechanically connected, or it can be electrically connected; it can be directly connected, or it can be indirectly connected through an intermediate medium; it can be the communication inside two elements or the interaction relationship between two elements. For ordinary skilled in the art, the specific meaning of the above terms in the utility model can be understood according to the specific circumstances.

[0040] In the utility model, unless another definite provision and limitation, first feature is "on" or "under" second feature, can include that first and second features are in direct contact, also can include that first and second features are not in direct contact but contact through other feature between them.Moreover, first feature "on", "above" and "upper surface" of second feature includes that first feature is directly above and obliquely above second feature, or only indicates that the horizontal height of first feature is higher than second feature.The first feature "under", "below" and "underneath" of the second feature includes that the first feature is directly below and obliquely below the second feature, or only indicates that the horizontal height of the first feature is less than the second feature.

[0041] In the description of the embodiment, the terms "upper", "lower", "right", "left", "horizontal", "vertical", "clockwise", "counterclockwise", "front", "back", "under", "above", "up", "down", "side", "end", "edge", "face", "point", "line", "plane" and other orientation or position relations are based on the orientation or position relations shown in the drawings, and are only for the convenience of description and simplification of operation, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the utility model. In addition, the terms "first", "second" are only used to distinguish in description, and have no special meaning.

[0042] As Figures 2 to 9 shown, the embodiment provides a terminal assembly 100, the terminal assembly 100 includes a substrate 1, a PIN needle 2 and an insulating plug 4, the substrate 1 is provided with a first through hole; the PIN needle 2 penetrates the first through hole, and a sintered body 3 is arranged between the outer wall of the PIN needle 2 and the inner wall of the first through hole; the PIN needle 2 and the substrate 1 are fixedly connected through the sintered body 3; the insulating plug 4 is tightly sleeved on the peripheral part of the PIN needle 2, the insulating plug 4 is in close abutment with the substrate 1, and the insulating plug 4 seals the port of the first through hole.

[0043] Specifically, the PIN needle 2 and the substrate 1 are fixedly connected through the sintered body 3, so that the connection strength of the PIN needle 2 and the substrate 1 is guaranteed, and the PIN needle 2 is prevented from loosening; the driving system of the whole vehicle is electrically connected with the PIN needle 2 of the terminal assembly 100 through high-low voltage wire harness, the insulating plug 4 is isolated between the high-low voltage wire harness and the sintered body 3, so that the interference of electric arc on the sintered body 3 is prevented, and the safety performance is guaranteed; the terminal shell 5 integrates the high-low voltage wire harness, so that the high-low voltage wire harness can stably contact with the PIN needle 2

[0044] When the high and low voltage wire harness is inserted into or pulled out of the terminal shell 1 of the terminal assembly 100, the PIN pin 2 is subjected to the force of the high and low voltage wire harness. Since the sintered body 3 is used in the embodiment to strengthen the connection strength of the PIN pin 2, the PIN pin 2 is prevented from loosening. During the relative movement, the arc is generated between the high and low voltage wire harness and the PIN pin 2. Since the insulation isolation effect of the insulating plug 4 can prevent the arc from interfering with the sintered body 3, the generation of the arc is reduced due to the fact that the PIN pin 2 cannot be loosened. The terminal shell 1 can integrate and position the high and low voltage wire harness, and prevent the wire harness from loosening. After the high and low voltage wire harness is inserted into the terminal shell 1, the high and low voltage wire harness can stably contact the PIN pin 2.

[0045] The terminal assembly 100 provided by the embodiment can be applied to a compressor and can also be applied to other electrical equipment.

[0046] Optionally, the substrate 1 is provided with a plurality of first through holes, each of which is provided with a PIN pin 2 and a sintered body 3, and a plurality of PIN pins 2 collectively penetrate one insulating plug 4.

[0047] In the embodiment, the insulating plug 4 is of an integrated structure, and one insulating plug 4 is simultaneously sleeved on the peripheral portions of a plurality of PIN pins 2, which is fast and simple to operate.

[0048] In the embodiment, the PIN pin 2 is provided as three, and the three PIN pins 2 are respectively connected to the positive wire, the negative wire and the ground wire. In other embodiments, the number of PIN pins 2 can be set according to actual needs, for example, two or six.

[0049] In the embodiment, the sintered body 3 is glass, which is an insulator, and the influence of the arc on the glass is small. The sintered body 3 is in contact with the PIN pin 2 in a non-metal and metal contact mode, and no galvanic corrosion is generated. In other embodiments, the sintered body 3 is ceramic.

[0050] Optionally, the terminal shell 5 is made of rubber material.

[0051] Optionally, the substrate 1 is made of metal material, for example, stainless steel or aluminum alloy, to ensure the structural strength.

[0052] Optionally, the terminal shell 5 includes a terminal portion 51 and a mounting portion 52. The mounting portion 52 is adapted to the shape of the substrate 1, and the mounting portion 52 is attached and covers the substrate 1. The terminal portion 51 is protruded on the mounting portion 52, and the terminal portion 51 is arranged outside the PIN pin 2.

[0053] In the embodiment, the terminal portion 51 and the mounting portion 52 are integrally arranged, and the mounting portion 52 is fixedly sleeved on the peripheral portion of the substrate 1.

[0054] In some embodiments, the mounting portion 52 and the substrate 1 are both provided with through holes, and a screw passes through the through holes of the mounting portion 52 and the through holes of the substrate 1, so as to lock the terminal assembly 100 to the substrate 1, and the terminal portion 51 surrounds the peripheral portion of the insulating plug 4 and the PIN pin 2.

[0055] Optionally, the terminal shell 5 is adhesively connected to the substrate 1, and the mounting portion 52 is adhesively connected to the substrate 1.

[0056] Optionally, the substrate 1 is provided with a ring groove on the side away from the insulating plug 4, the ring groove surrounds the peripheral portion of the PIN pin 2, and the ring groove is tightly embedded with the sealing ring 6.

[0057] When the terminal assembly 100 of the embodiment is mounted to the outer wall of the shell assembly 200 of the compressor, the sealing ring 6 tightly abuts against the outer wall of the shell assembly 200, so as to prevent water leakage and avoid water flowing into the inner side of the sealing ring 6 to cause the PIN pin 2 to be short-circuited.

[0058] Optionally, the side of the substrate 1 provided with the sealing ring 6 is further provided with a gasket 7, and the gasket 7 surrounds the peripheral portion of the sealing ring 6. The double-layer sealing of the sealing ring 6 and the gasket 7 improves the sealing effect and prevents water leakage from causing the PIN pin 2 to be short-circuited.

[0059] As shown in FIG. 1, Figure 1 The embodiment further provides a compressor, which comprises a shell assembly 200, a motor assembly 300, a pump body assembly 400, and the terminal assembly 100 as above, the motor assembly 300 and the pump body assembly 400 are arranged in the interior of the shell assembly 200, the terminal assembly 100 is fixedly mounted to the exterior of the shell assembly 200, the terminal assembly 100 is electrically connected to the motor assembly 300, and the motor assembly 300 is in driving connection with the pump body assembly 400.

[0060] Specifically, the driving system of the whole vehicle supplies power to the motor assembly 300 through the high-voltage and low-voltage wire harnesses and the terminal assembly 100 and controls the operation of the motor assembly 300, and the motor assembly 300 drives the pump body assembly 400 to compress the refrigerant. The compressor of the utility model does not need to additionally arrange a controller, and the cost is low.

[0061] Optionally, the interior of the shell assembly 200 is provided with a partition plate 201, the partition plate 201 divides the interior of the shell assembly 200 into a low-pressure cavity 202 and a high-pressure cavity 203, the motor assembly 300 is located in the low-pressure cavity 202, the side wall of the low-pressure cavity 202 is provided with an air inlet 204 communicating with the outside, the pump body assembly 400 is located in the high-pressure cavity 203, the high-pressure cavity 203 is provided with an air outlet 205 communicating with the outside, and the terminal assembly 100 is fixed on the shell assembly 200 corresponding to the low-pressure cavity 202. The partition plate 201 separates the motor assembly 300 and the pump body assembly 400, so as to reduce the mutual influence between the motor assembly 300 and the pump body assembly 400.

[0062] Optionally, the substrate 1 is provided with a second through hole, the threaded fastener 8 is screwed to the shell assembly 200 after passing through the second through hole, the threaded fastener 8 locks the substrate 1 to the outer wall of the shell assembly 200, and the sealing ring 6 and / or the gasket 7 is arranged between the substrate 1 and the shell assembly 200.

[0063] In the embodiment, the sealing ring 6 and the gasket 7 are arranged between the substrate 1 and the shell assembly 200, the gasket 7 surrounds the periphery of the sealing ring 6, the double-layer sealing is performed by using the sealing ring 6 and the gasket 7, the sealing effect is improved, and the short circuit of the PIN pin 2 caused by water leakage is prevented.

[0064] The embodiment further provides a vehicle, and the vehicle comprises a vehicle driving system and the compressor as above, the vehicle driving system comprises a compressor controller, the compressor comprises the terminal assembly 100, and the compressor controller is connected with the terminal assembly 100. The wire harness of the compressor controller is inserted into the terminal shell 5 of the terminal assembly 100, so that the wire harness of the compressor controller is in stable contact with the PIN pin 2 of the terminal assembly 100.

[0065] Obviously, the above embodiment of the utility model is only for clear illustration of the utility model, and is not a limitation on the implementation mode of the utility model. For ordinary skilled persons in the art, various obvious changes, re-adjustments and replacements can be made without departing from the protection scope of the utility model. It is unnecessary and impossible to enumerate all the implementation modes. Any modification, equivalent replacement and improvement within the spirit and principle of the utility model should be included in the protection scope of the utility model claim.

Claims

1. A terminal assembly characterized by, The application relates to a terminal assembly. The terminal assembly comprises a substrate (1) provided with a first through hole; a PIN pin (2) penetrating through the first through hole, a sintered body (3) being arranged between the outer wall of the PIN pin (2) and the inner wall of the first through hole, and the PIN pin (2) being fixedly connected with the substrate (1) through the sintered body (3); an insulating plug (4) tightly sleeved on the peripheral portion of the PIN pin (2), the insulating plug (4) being tightly abutted with the substrate (1), and the insulating plug (4) sealing the port of the first through hole; and a terminal shell (5) fixedly installed on the substrate (1), and the insulating plug (4) being located in the interior of the terminal shell (5). The substrate (1) is provided with a plurality of first through holes, each of the first through holes is provided with the PIN pin (2) and the sintered body (3), and a plurality of PIN pins (2) penetrate through one insulating plug (4) in common. The terminal shell (5) comprises a terminal portion (51) and a mounting portion (52), the mounting portion (52) is adapted to the shape of the substrate (1) and is attached to the substrate (1), and the terminal portion (51) is protruded on the mounting portion (52) and surrounds the PIN pin (2) outside. The terminal shell (5) is adhered to the substrate (1).

2. The terminal assembly of claim 1, wherein, The terminal shell (5) is made of rubber material.

3. The terminal assembly of claim 1, wherein, The substrate (1) is provided with a ring groove on the side away from the insulating plug (4), the ring groove surrounds the peripheral portion of the PIN pin (2), and a sealing ring (6) is tightly embedded in the ring groove.

4. The terminal assembly of claim 1, wherein The substrate (1) is further provided with a gasket (7) on the side provided with the sealing ring (6), and the gasket (7) surrounds the peripheral portion of the sealing ring (6).

5. The terminal assembly of claim 1, wherein, The terminal assembly comprises a housing assembly (200), a motor assembly (300), a pump body assembly (400) and the terminal assembly (100) as claimed in any one of claims 1-7, the motor assembly (300) and the pump body assembly (400) are arranged in the interior of the housing assembly (200), the terminal assembly (100) is fixedly installed on the exterior of the housing assembly (200), the terminal assembly (100) is electrically connected with the motor assembly (300), and the motor assembly (300) is drivingly connected with the pump body assembly (400).

6. The terminal assembly of claim 1, wherein, The interior of the housing assembly (200) is provided with a partition plate (201), the partition plate (201) divides the interior of the housing assembly (200) into a low-pressure cavity (202) and a high-pressure cavity (203), the motor assembly (300) is located in the low-pressure cavity (202), the side wall of the low-pressure cavity (202) is provided with an air inlet (204) communicated with the outside, the pump body assembly (400) is located in the high-pressure cavity (203), the high-pressure cavity (203) is provided with an air outlet (205) communicated with the outside, and the terminal assembly (100) is fixed on the housing assembly (200) corresponding to the low-pressure cavity (202).

7. The terminal assembly of claim 6, wherein, ​ 8. Compressor, characterized in that ​ 9. The compressor of claim 8, wherein, ​ 10. Vehicle, characterized in that A vehicle drive system including a compressor as claimed in any one of claims 8-9, the vehicle drive system including a compressor controller, the compressor including a terminal assembly (100), the compressor controller being connected to the terminal assembly (100).

Images