CN209671215U - Integrated electric compressor - Google Patents

Abstract

The utility model discloses a kind of integrated electric compressors, including motor, screw compressor and driver, power adapter plug is removably sealedly connected in the middle part of the shell tail end of motor, driver is located at the power adapter plug outer end, driver is arranged by the actuator housing of electronic machine tail end, and drive shell body shell bottom top is fixedly connected with for providing the external power supply plug of power supply to circuit board；Connecting terminal is equipped between power adapter plug inner end and tail end bearing, connecting terminal is used to be electrically connected by conducting wire with stator coil；Three adapter pins are fixedly installed on power adapter plug, adapter pin exposes the part of power adapter plug outer end and circuit board forms socket connection；Adapter pin exposes the part of power adapter plug inner end and connecting terminal forms socket connection.The utility model has the beneficial effects that structure is simple, compact layout, it is convenient for disassembly and assembly, and motor is without water inlet security risk.

Description

Integrated electric compressor

Technical field

The utility model relates to compressor field, especially a kind of integrated electric compressor.

Background technique

Electric scroll compressor forms integral structure, the gas compression mistake of screw compressor by motor and screw compressor Journey is completed by two whirlpool disks.Electric scroll compressor is simple, small in size, light-weight with structure, movement is steady, noise The advantages that small, low temperature performance well, high-efficient, and easy to automate, therefore, electric scroll compressor is mostly used for air-conditioning System is especially widely used in air conditioning system for vehicle.The electric scroll compressor of car air-conditioner passes through control system The driver portion of system is usually all installed on the motor field frame at air compressor motor end, forms the production of electromechanical integrated structure Product carry out thermal conductivity radiating and cooling using heater element of the low feature of motor case temperature to driver, to ensure to drive Dynamic device is working properly.Compressor itself failure rate due to this kind of electric scroll compressor is low, driver works reliable Property and stability play conclusive effect to the operational reliability and stability of this kind of compressor.But the power supply of existing compressor Line is pierced by by sidewall of motor housing, is horizontally mounted since compressor generallys use, the compressor of this structure exist by The security risk of threading hole water inlet.For this reason, it may be necessary to be further improved.

Summary of the invention

It is hidden to there is the safety intake from threading hole aiming at screw compressor in the prior art in the purpose of this utility model The deficiency of trouble provides a kind of integrated electric compressor, and electric source line interface by being located at the driving of motor tail portion by the compressor On device shell, and power path is formed in actuator housing and motor interior, power supply is worn from sidewall of motor housing with substitution Line, motor water inlet hidden danger when elimination of level is installed.

To realize foregoing purpose, the utility model adopts the following technical solution.

A kind of integrated electric compressor, including motor, screw compressor and driver, the shell tail of the motor End middle part is removably sealedly connected with power adapter plug, and the driver is located at the power adapter plug outer end, driving Device is located in the drive shell body that electronic machine tail end is fixedly connected, and the circuit board of driver passes through the shell bottom top of actuator housing External power supply；Connecting terminal is equipped between the power adapter plug inner end and tail end bearing, connecting terminal is by conducting wire and determines Subcoil electrical connection；Three adapter pins are fixedly installed on power adapter plug, adapter pin exposes outside power adapter plug The part at end and the circuit board of driver form socket connection；The part of adapter pin exposing power adapter plug inner end Socket connection is formed with the connecting terminal.

Using the utility model of aforementioned schemes, driver passes through the shell bottom top external power supply of actuator housing, makes electricity Source interface is located at compression machine tail end top, avoids and threads in electric machine casing aperture, to eliminate motor when being horizontally mounted Water inlet hidden danger.Compressor internal stator coil is connect by conducting wire with connecting terminal, connecting terminal by mating mode and Adapter pin one end connects, and the supply hub grafting on the other end and circuit board of adapter pin, the supply hub passes through circuit Inverter circuit on plate is connect with external power supply plug, to form the electrical connection of external power supply, driver and motor. Wherein, inverter circuit is used to be converted to external dc power alternating current as motor power supply.The inverter circuit belongs to the prior art, It is identical as the inverter operation principle of common direct current change alternating current and structure.The technology that not the utility model is solved is asked Topic, is not required to repeat herein.The utility model forms internal electrical connection by inserting mode, meanwhile, it is held using patch that column has Loading capability realizes the physical connection between adjacent members, between the component being mutually inserted no longer needs to that other connection structures or structure is arranged Part, with apparent cramped construction, section space-efficient effect.

Preferably, the shell bottom of the actuator housing has been formed integrally with the top portion external power supply plug, and circuit board is located at shell The part in internal portion and the circuit board grafting；Alternatively, the shell bottom top of the actuator housing is equipped with for wearing circuit board Power supply line threading hole.To form the external power supply connection type of diversified forms, wherein the structure type of attaching plug, is sealed Effect is more preferable；When using threading hole structure, power supply line is directly connect with circuit board, is extended to outside compressor by threading hole, In power supply line and wear setting thread threading sealing circle between hole.

Preferably, the driver is equipped with radiator, and radiator is between circuit board and power adapter plug, radiator It is fixed on the interior step of actuator housing.To make full use of actuator housing inner space that radiator area does more, It can also radiate by actuator housing, to enhance heat dissipation effect, reduce failure rate.

It is further preferred that being provided with capacitor on the circuit board, capacitor is extended from circuit board to motor direction； The shell stores the capacitor by the accommodation space of power adapter plug mounting portion side.To make full use of power supply transfer The motor space of plug side reduces compressor axial dimension, saves space, reduces compressor volume, makes overall structure more It is compact.

Preferably, the plug has the part exposed on the inside of actuator housing；Power supply is arranged on the circuit board to connect Enter interface, circuit board passes through the inside exposed portion grafting of plant-grid connection interface and the external power supply plug.It is convenient The connection of circuit board and external power supply, meanwhile, the bearing capacity fixing circuit board having using external power supply plug, thus simple Change the fixed form of circuit board.

The utility model has the beneficial effects that structure is simple, compact layout, it is convenient for disassembly and assembly, and motor is hidden without water inlet safety Suffer from.

Detailed description of the invention

Fig. 1 is the structural schematic diagram of the utility model.

Fig. 2 is the structural schematic diagram of motor shaft in the utility model.

Fig. 3 is the left view of the utility model Fig. 2.

Fig. 4 is the internal via shape schematic diagram of rotor in the utility model.

Specific embodiment

The utility model will be further described below with reference to the accompanying drawings, but the utility model is not therefore limited in institute Among the scope of embodiments stated.

Referring to Fig. 1, Fig. 2, Fig. 3, Fig. 4, a kind of integrated electric compressor, including motor, screw compressor and driving 1 tail end of the shell middle part of device, the motor is equipped with the bowl-type power adapter plug 2 of the rim of a bowl outwardly, and the driver is located at institute The rim of a bowl outer end of power adapter plug 2 is stated, driver is set by the actuator housing 6 that electronic machine tail end is bolted connection It sets, driver is located in actuator housing 6, and the shell bottom of actuator housing 6 has been formed integrally with the top portion for providing electricity to circuit board 8 The external power supply plug 8a in source；Connecting terminal 4, connecting terminal 4 are equipped between 2 inner end of power adapter plug and tail end bearing 3 It is electrically connected by conducting wire with stator coil 5；Three adapter pin 2a, adapter pin 2a are fixedly installed on power adapter plug 2 The part for exposing 2 outer end of power adapter plug and the circuit board 8 of driver form socket connection；Adapter pin 2a exposes The part of 2 inner end of power adapter plug forms socket connection with the connecting terminal 4.

Wherein, the driver is equipped with radiator 7, and radiator 7 is between circuit board 8 and power adapter plug 2, heat dissipation Device 7 is fixed on the interior step of actuator housing 6；It is provided with capacitor 9 on circuit board 8, capacitor 9 is from circuit board 8 to electronic Machine direction extends；The shell 1 stores the capacitor 9 by the accommodation space of 2 mounting portion side of power adapter plug；It patches Head 6a has the part for exposing 6 inside of actuator housing；Plant-grid connection interface is set on the circuit board 8, and circuit board 8 passes through The inside exposed portion grafting of plant-grid connection interface and the external power supply plug 8a.

Motor includes the rotor 10 inside stator coil 5, and rotor 10 is fixedly connected on motor shaft 11, motor shaft 11 front ends are integrally formed or are fixedly connected with crank-pin 12, and crank-pin 12 is connected with movable orbiting scroll 13, movable orbiting scroll 13 and fixed scroll 14 Compression process is completed in eccentric relative rotation.Motor shaft 11 includes that the axle bearing mount portion 11a at both ends and intermediate rotor are installed Bearing snap spring slot 11c is equipped on the inside of portion 11b, axle bearing mount portion 11a, one end of rotor mounting portion 11b is equipped with the rotor fixed position shaft shoulder 11d is formed with torque transfer arrangement between rotor mounting portion 11b and rotor 10, torque transfer arrangement is for limiting 10 phase of rotor Position, and torque is transmitted from rotor 10 to motor shaft 11.The torque transfer arrangement by rotor mounting portion 11b by cutting oblate cylinder The the first flat horizontal surface 11e formed afterwards, and, the second flat horizontal surface 10a mutual cooperation shape of rotor installation hole wall is protruded from rotor 10 At；Diameter at axle bearing mount portion 11a and rotor mounting portion 11b and rotor fixed position shaft shoulder 11d three is identical；And rotor is pacified The dress portion both ends 11b are respectively formed with a rotor's check ring slot 11f and escape 11g；Rotor 10 passes through rotor fixed position shaft shoulder 11d and rotor Retaining ring forms axial restraint.

In this implementation, circuit board 8 can also be directly connected to power supply line, and power supply line passes through the shell bottom top of actuator housing 6 It connect after setting power supply line threading hole with external power supply, is sealed in threading hole by setting thread threading sealing circle；Rotor 10 can also be adopted It is fixed and is located on motor shaft 11 with the stationary fit of interference, no setting is required a rotor's check ring slot 11f of motor shaft 11, after rotor 10 is installed No setting is required a rotor's check ring.

The preferred embodiments of the present invention have been described in detail above.It should be appreciated that the ordinary skill people of this field Member according to the present utility model can conceive without creative work makes many modifications and variations.Therefore, all this technology necks Technical staff passes through logic analysis, reasoning or limited reality according to the design of the utility model on the basis of existing technology in domain Available technical solution is tested, it all should be within the scope of protection determined by the claims.

Claims (5)

1. a kind of integrated electric compressor, including motor, screw compressor and driver, which is characterized in that described electronic It is removably sealedly connected with power adapter plug (2) in the middle part of shell (1) tail end of machine, the driver is located at the power supply and turns Plug (2) outer end, driver are located in the actuator housing (6) that electronic machine tail end is fixedly connected, the circuit board (8) of driver Pass through the shell bottom top external power supply of actuator housing (6)；Between power adapter plug (2) inner end and tail end bearing (3) Equipped with connecting terminal (4), connecting terminal (4) is electrically connected by conducting wire with stator coil (5)；It is fixed on power adapter plug (2) Three adapter pins (2a) are provided with, adapter pin (2a) exposes the part and the institute of driver of power adapter plug (2) outer end It states circuit board (8) and forms socket connection；The part of adapter pin (2a) exposing power adapter plug (2) inner end and the wiring Terminal (4) forms socket connection.

2. integrated electric compressor according to claim 1, which is characterized in that the shell bottom of the actuator housing (6) It has been formed integrally with the top portion external power supply plug (8a), circuit board (8) is located at the part of enclosure interior and the circuit board (8) are inserted It connects；Alternatively, the shell bottom top of the actuator housing (6) is equipped with the threading hole for wearing the power supply line of circuit board (8).

3. integrated electric compressor according to claim 1, which is characterized in that the driver is equipped with radiator (7), Radiator (7) is located between circuit board (8) and power adapter plug (2), and radiator (7) is fixed on the interior of actuator housing (6) On step.

4. integrated electric compressor according to claim 3, which is characterized in that be provided with electricity on the circuit board (8) Container (9), capacitor (9) are extended from circuit board (8) to motor direction；The shell (1) is pacified by power adapter plug (2) The accommodation space of dress portion side stores the capacitor (9).

5. integrated electric compressor according to claim 1, which is characterized in that the plug (6a), which has to expose, drives Part on the inside of dynamic device shell (6)；Plant-grid connection interface is set on the circuit board (8), and circuit board (8) passes through plant-grid connection The inside exposed portion grafting of interface and the external power supply plug (8a).