CN201474970U - Integrated electric scroll compressor assembly for automobile air conditioner - Google Patents
Integrated electric scroll compressor assembly for automobile air conditioner Download PDFInfo
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- CN201474970U CN201474970U CN2009202328956U CN200920232895U CN201474970U CN 201474970 U CN201474970 U CN 201474970U CN 2009202328956 U CN2009202328956 U CN 2009202328956U CN 200920232895 U CN200920232895 U CN 200920232895U CN 201474970 U CN201474970 U CN 201474970U
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- scroll compressor
- motor
- electric scroll
- scroll
- bearing
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Abstract
The utility model discloses an integrated electric scroll compressor assembly for an automobile air conditioner, relates to the coordination of a small-sized efficient driving controller, a small-sized brushless motor and a small-sized high rotational speed scroll compressor, and is a three-in-one closed type integration structure of a driving controller, a motor and a scroll compressor. The assembly comprises an electric scroll compressor part and a driving controller part which are integrated into a whole body; the electric scroll compressor part comprises a rear cover, an eccentric bush, a scroll movable disc, a scroll static disc, an anti-rotating ring, an outer shell, a front cover, a motor shaft, a wire connecting terminal, a motor stator, a motor rotor and a bearing; the motor stator is fixed in the outer shell, the motor rotor is assembled on the motor shaft, one end of the motor shaft is assembled with the eccentric bush, the scroll movable disc is assembled on the eccentric bush, the bearing I is assembled between the eccentric bush and the scroll movable disc, the scroll static disc is arranged in the outer shell, and the scroll movable disc is matched with the scroll static disc; and the driving controller part comprises a controller chip, an intelligent node control block, a breadboard, a USB interface and a CAN interface.
Description
Technical field
What the utility model integral electric scroll compressor assembly for vehicle air conditioners related to is a kind of used for automobile air conditioning small-sized efficient drive controller, small-sized brushless motor and small-sized high rotating speed scroll compressor and coupling and combination, is the three-in-one closed integral structure of drive controller, motor and scroll compressor.
Background technique
Electric vehicle is one of outstanding feature of automobile industry development innovation.After 2011, electric vehicle will welcome first market climax of globalization.Electric vehicle (comprise pure electricity, mix moving and fuel cell etc.) will replace fuel-engined vehicle with the speed more than 10%.
But the air condition compressor of fuel-engined vehicle can not be directly used in electric vehicle.Electric vehicle needs a kind of DC electrical source, discharge capacity is little, rotating speed is high, compact structure, green, environmental protection, efficient, energy-conservation, electronically controlled new type compressor.
At present the Domestic market has only the minority producer can the split type electric vehicle compressor assembly of production and supply, and outside driver not only is separated in, and volume is very large, has influenced whole efficient and causes difficulty is installed.Optimal solution just is to use incorporate electric vehicle compressor assembly.
Summary of the invention
The purpose of this utility model is to provide a kind of integral electric scroll compressor assembly for vehicle air conditioners at above-mentioned deficiency, it is a kind of integral electric scroll compressor assembly that is exclusively used in electric vehicle, hybrid vehicle, motor compressor part and drive controller segment set become one, in described motor compressor part and drive controller part, two segment sets become one, and compact structure, volume is little, in light weight, efficient is high.
The utility model integral electric scroll compressor assembly for vehicle air conditioners takes following technological scheme to realize: integral electric scroll compressor assembly for vehicle air conditioners comprises electric scroll compressor part and drive controller part, and two segment sets become one; Electric scroll compressor partly comprises bonnet, eccentric bush, eddy spinner disk, the quiet dish of vortex, anti-ring, shell, protecgulum, motor shaft, tenminal block, motor stator, rotor, bearing I, bearing I I and the bearing I II of revolving, shell is provided with intakeport, and bonnet is provided with relief opening and Decompression valves.Motor stator is fixed in the shell, is connected with the drive controller power supply by tenminal block; Rotor is contained on the motor shaft, the motor shaft two ends are supported with bearing I I and bearing I II, motor shaft one end is equipped with eccentric bush, Moving plate is housed on the eccentric bush, between eccentric bush and the eddy spinner disk bearing I is housed, the quiet dish of vortex is cased, and the quiet dish of eddy spinner disk and vortex matches, and the quiet dish of eddy spinner disk and vortex is the circle involute scroll of pair of meshing.Eddy spinner disk is provided with the anti-ring that revolves, and prevents revolving ring set on the pin of protecgulum.
Described motor employing is brushless, the permanent magnet DC motor of no Hall.
Drive controller partly adopts CAN bus control system Direct Torque Control mode, and drive controller partly comprises driver chip, intelligent node controll block, circuit board, USB interface and CAN interface; Intelligent node controll block is contained on the circuit board, and the driver chip line is PCA82C250, and chip is close on the motor back shell, and external power supply is connected with electric scroll compressor through drive controller, the running of control electric scroll compressor.USB interface links to each other with driver chip by circuit board, and the CAN interface links to each other with USB interface; Because the quantity of information that the intelligent node controll block of drive controller is handled is not very big, mainly finishing with main controlled node is communicating by letter of entire car controller, secondly be responsible for the control of air-conditioner controller and the collection and the demonstration control of several roads temperature simulation amount, therefore, select for use versatility better, microcontroller (single-chip microcomputer) MCU and CAN controllers and CAN bus driver scheme are finished more flexibly in exploitation.
Described intelligent node controll block comprises the outside extended chip of microcontroller and microcontroller.Driver chip is commercially available PCA82C250 chip.Microcontroller MCU adopts commercially available P89C51Rx2 single-chip microcomputer in the intelligent node controll block, and the CAN interface is made up of CAN controller SJA1000 and CAN bus driver PCA82C250.CAN controller SJA1000 is as the outside extended chip of microcontroller, data between CAN controller SJA1000 and the microcontroller MCU transmit and finish by microcontroller MCU FPDP P0, the data reception signal interrupt mode is to improve the real-time of data processing.CAN controller SJA1000 is connected on the physical bus by CAN bus driver PCA82C250.CAN bus driver PCA82C250 device provides to the differential transmitting capacity of bus with to the differential ability to accept of CAN controller, adopts differential driving to help to suppress abominable electric circumstance transition interference down such as automobile.For strengthening the antijamming capability of CAN bus node controll block; the TX0 of CAN controller SJA1000 links to each other with the RXD end with the TXD end of CAN bus driver PCA82C250 by high speed photo coupling with RX0; realized the electrical isolation between transceiver and the controller; protection intelligent node core circuit trouble free service, and realized the internodal electrical isolation of each CAN on the bus.For further enhanced system antijamming capability, can and connect the bi-directional voltage stabilizing pipe at the bus entrance place, overvoltage of spike in short-term that may occur on the restriction circuit and increase common mode choke coil are to eliminate the interference of common mode signal.In addition, when signal of communication transmitted on the line, signal can reflect when being transferred to the end points of lead, and reflected signal can disturb the transmission of normal signal.For eliminating this influence, can be at CAN bus two ends and connect the double action that two 120 ohm resistance plays the matching bus impedance and eliminates reflection.If ignore these measures, the anti-interference of data communication and reliability are reduced greatly, even can't communicate by letter.Microcontroller MCU is except with the CAN controller is connected in the node; also need to finish the control and the data capture of air-conditioning system; the data of gathering mainly contain analog amounts such as vehicle interior temperature, air-conditioning setting temperature, air-conditioning coil temperature, the outer temperature of car, intensity of sunshine, pressure protect; pass through close-loop control mode according to the data of gathering; send enabled instruction and operation frequency for air conditioner compressed driver, compressor drive can real-time running state with compressor pass to microcontroller MCU simultaneously.According to status information, microcontroller MCU can make corresponding processing, because the rapidity of its arithmetic speed can guarantee the realization of system complex algorithm and the detection how rotor is put, position probing realizes by the method that detects counterelectromotive force.
Electric scroll compressor part and drive controller segment set become one, and at described electric scroll compressor partly and driver portion, two segment sets become one, and compact structure, volume is little, in light weight, efficient is high.
Described driver chip is close to electric scroll compressor shell rear portion, and the low-pressure low-temperature gas cooling that the heat that it produced is sucked by the compressor case intakeport has cut conventional driver heat-dissipating part.
Described driver USB interface is a communication interface, for computer data acquisition provides convenience.
The beneficial effects of the utility model:
The most outstanding beneficial effect of integral electric scroll compressor assembly for vehicle air conditioners has: 1, solved the needs of problems of electronic and mixed electrical automobile to air condition compressor.2, can be fit to all types of electronic and mixed electrical automobiles from discharge capacity to price the present invention.3, integral structure deft design of the present utility model, compact structure, volume is little, in light weight, efficient is high, has more all advantages and the characteristics of intensivism with respect to the split-type structural product.4, the utility model product is realized zero-emission, environmental protection.5, the design of the utility model product design is installed with the very suitable car load of volume.6, the utility model long product lifecycle, for ease of maintenaince.7, the energy-saving and cost-reducing and fuel piston class compressor of product of the present invention is compared, and can save energy 15%～20%.8, the utility model product carries out automatically controlled and multinomial protection by electronic driver, and is safe and reliable to operation.9, the utility model product possesses good cost performance, and under the roughly the same situation of performance and quality, price is well below imported product.10, the utility model product is made up of scroll compressor, motor and three parts of drive controller, and its production and selling drives great efforts to the upstream related industry, and social benefit and social economic benefit are obvious.
The utility model does not relate to part as the engagement of scroll, and Moving plate prevents the mode of rotating, and available existing technology such as pressurized gas refrigeration oil separation are realized.
Description of drawings
The utility model is described in further detail below with reference to accompanying drawing:
Fig. 1 is the integral electric scroll compressor assembly for vehicle air conditioners erection drawing.
Fig. 2 is the integral electric scroll compressor assembly for vehicle air conditioners outline drawing.
Fig. 3 is the intelligence of the drive controller part of integral electric scroll compressor assembly for vehicle air conditioners
Node control piece schematic diagram.
Embodiment
With reference to accompanying drawing 1,2,3, integral electric scroll compressor assembly for vehicle air conditioners comprises electric scroll compressor part and drive controller part, and two segment sets become one.
Motor compressor partly comprises bonnet 1, eccentric bush 4, eddy spinner disk 6, the quiet dish 7 of vortex, anti-ring 8, shell 11, protecgulum 12, motor shaft 13, tenminal block 14, motor stator 16, rotor 17, bearing I 5, bearing I I 15, the bearing I II 18 of revolving, intakeport 24 is arranged on the shell 11, relief opening 23 and Decompression valves 22 are arranged on the bonnet.Motor stator 16 is fixed in the shell 11, is connected with the drive controller power supply by tenminal block 14; Rotor 17 is contained on the motor shaft 13, and motor shaft 13 two ends are supported with bearing I 15 and bearing I I 18; Wherein motor adopts permanent magnet DC motor brushless, no Hall; Motor shaft 13 1 ends are equipped with eccentric bush 4, eddy spinner disk 6 is housed on the eccentric bush 4, between eccentric bush 4 and the eddy spinner disk 6 bearing I 5 is housed, the quiet dish 7 of vortex is contained in the shell 11, the quiet dish 7 of eddy spinner disk 6 and vortex matches, the circle involute scroll that the quiet dish 7 of eddy spinner disk 6 and vortex is a pair of meshing has the anti-ring 8 that revolves on the eddy spinner disk 6, the anti-ring 8 that revolves is enclosed within on protecgulum 12 pins.
Described motor employing is brushless, the permanent magnet DC motor of no Hall.
Drive controller partly adopts CAN bus control system Direct Torque Control mode, and drive controller partly comprises driver chip 19, intelligent node controll block, circuit board 20, USB interface 21 and CAN interface; Intelligent node controll block is contained on the circuit board, and driver chip is PCA82C250, and chip is close on the motor back shell, and external power supply is connected with electric scroll compressor through drive controller, the running of control electric scroll compressor.USB interface 21 links to each other with driver chip 19 by circuit board 20, and the CAN interface links to each other with USB interface 21; Because the quantity of information that the intelligent node controll block of drive controller is handled is not very big, mainly finishing with main controlled node is communicating by letter of entire car controller, secondly be responsible for the control of air-conditioner controller and the collection and the demonstration control of several roads temperature simulation amount, therefore, select for use versatility better, microcontroller (single-chip microcomputer) MCU and CAN controllers and CAN bus driver scheme are finished more flexibly in exploitation.
Driver chip 19 is close on the motor back shell 11, and the low-pressure low-temperature gas cooling that the heat that it produced is sucked by compressor case intakeport 24 has cut conventional driver heat-dissipating part.The USB interface 21 of driver controller part is commercially available USB interface for communication interface adopts, and makes things convenient for computer data acquisition.
With reference to accompanying drawing 3, the intelligent node controll block schematic diagram of the drive controller of integral electric scroll compressor assembly part.Described intelligent node controll block comprises the outside extended chip of microcontroller MCU and microcontroller.Driver chip is commercially available PCA82C250 chip.Microcontroller adopts commercially available P89C51Rx2 single-chip microcomputer in the intelligent node controll block, and the CAN interface is made up of CAN controller SJA1000 and CAN bus driver PCA82C250.CAN controller SJA1000 is as the outside extended chip of microcontroller MCU, data between CAN controller SJA1000 and the microcontroller MCU transmit and finish by microcontroller MCU FPDP P0, the data reception signal interrupt mode is to improve the real-time of data processing.CAN controller SJA1000 is connected on the physical bus by CAN bus driver PCA82C250.CAN bus driver PCA82C250 device provides to the differential transmitting capacity of bus with to the differential ability to accept of CAN controller, adopts differential driving to help to suppress abominable electric circumstance transition interference down such as automobile.For strengthening the antijamming capability of CAN bus node; the TX0 of CAN controller SJA1000 links to each other with the RXD end with the TXD end of 82C250 by high speed photo coupling with RX0; realized the electrical isolation between transceiver and the controller; protection intelligent node core circuit trouble free service, and realized the internodal electrical isolation of each CAN on the bus.For further enhanced system antijamming capability, can and connect the bi-directional voltage stabilizing pipe at the bus entrance place, overvoltage of spike in short-term that may occur on the restriction circuit and increase common mode choke coil are to eliminate the interference of common mode signal.In addition, when signal of communication transmitted on the line, signal can reflect when being transferred to the end points of lead, and reflected signal can disturb the transmission of normal signal.For eliminating this influence, can be at CAN bus two ends and connect the double action that two 120 ohm resistance plays the matching bus impedance and eliminates reflection.If ignore these measures, the anti-interference of data communication and reliability are reduced greatly, even can't communicate by letter.Microcontroller MCU is except with the CAN controller is connected in the node; also need to finish the control and the data capture of air-conditioning system; the data of gathering mainly contain analog amounts such as vehicle interior temperature, air-conditioning setting temperature, air-conditioning coil temperature, the outer temperature of car, intensity of sunshine, pressure protect; pass through close-loop control mode according to the data of gathering; send enabled instruction and operation frequency for air-conditioning vortex compressed drive, the scroll compressor driver can real-time running state with scroll compressor pass to microcontroller MCU simultaneously.According to status information, microcontroller MCU can make corresponding processing, because the rapidity of its arithmetic speed can guarantee the realization of system complex algorithm and the detection how rotor is put, position probing realizes by the method that detects counterelectromotive force.
Working principle:
During work, drive controller provides drive signal and power supply to electric scroll compressor, make rotor 17 rotations, motor shaft 13 is by eccentric bush on the scroll compressor 4 and prevent revolving ring 8, protecgulum 12 pins make rotatablely moving of rotor 17 become the plane motion of eddy spinner disk 6.Thereby the formed volume of quiet dish 7 involute profiles of the vortex that eddy spinner disk 6 is engaged with changes, compression becomes high pressure-temperature gas from the low-pressure low-temperature gas that suction port 24 enters scroll compressor, discharge from relief opening 23 through outlet valve 3, enter cooling cycle system.
During work, the heat that drive controller produced is taken away through the low-pressure low-temperature gas cooling of scroll compressor suction port 24, thereby guarantees that scroll compressor and drive controller can continual proper functioning.
Claims (5)
1. an integral electric scroll compressor assembly for vehicle air conditioners is characterized in that comprising electric scroll compressor part and drive controller part, and two segment sets become one; Electric scroll compressor partly comprises bonnet, eccentric bush, eddy spinner disk, the quiet dish of vortex, anti-ring, shell, protecgulum, motor shaft, tenminal block, motor stator, rotor, bearing I, bearing I I and the bearing I II of revolving, shell is provided with intakeport, and bonnet is provided with relief opening and Decompression valves; Motor stator is fixed in the shell, is connected with the drive controller power supply by tenminal block; Rotor is contained on the motor shaft, and the motor shaft two ends are supported with bearing I I and bearing I II, and motor shaft one end is equipped with eccentric bush, eddy spinner disk is housed on the eccentric bush, between eccentric bush and the eddy spinner disk bearing I is housed, the quiet dish of vortex is cased, and the quiet dish of eddy spinner disk and vortex matches; Eddy spinner disk is provided with the anti-ring that revolves, and prevents revolving ring set on the pin of protecgulum;
Drive controller partly adopts CAN bus control system Direct Torque Control mode, and drive controller partly comprises driver chip, intelligent node controll block, circuit board and USB interface, CAN interface; Intelligent node controll block is contained on the circuit board, driver chip is close on the motor back shell, and external power supply is connected with electric scroll compressor through drive controller, the running of control electric scroll compressor, USB interface links to each other with driver chip by circuit board, and the CAN interface links to each other with USB interface; Described intelligent node controll block comprises the outside extended chip of microcontroller and microcontroller.
2. integral electric scroll compressor assembly for vehicle air conditioners according to claim 1 is characterized in that the quiet dish of described eddy spinner disk and vortex is the circle involute scroll of pair of meshing.
3. integral electric scroll compressor assembly for vehicle air conditioners according to claim 1 is characterized in that described motor adopts permanent magnet DC motor brushless, no Hall.
4. integral electric scroll compressor assembly for vehicle air conditioners according to claim 1 is characterized in that microcontroller MCU adopts the P89C51Rx2 single-chip microcomputer in the described intelligent node controll block.
5. integral electric scroll compressor assembly for vehicle air conditioners according to claim 1 is characterized in that described CAN interface is made up of CAN controller SJA1000 and CAN bus driver PCA82C250; CAN controller SJA1000 is as the outside extended chip of microcontroller, and the data between CAN controller SJA1000 and the microcontroller MCU transmit and finish by microcontroller MCU FPDP P0; CAN controller SJA1000 is connected on the physical bus by bus driver PCA82C250.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009202328956U CN201474970U (en) | 2009-07-24 | 2009-07-24 | Integrated electric scroll compressor assembly for automobile air conditioner |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009202328956U CN201474970U (en) | 2009-07-24 | 2009-07-24 | Integrated electric scroll compressor assembly for automobile air conditioner |
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| Publication Number | Publication Date |
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| CN201474970U true CN201474970U (en) | 2010-05-19 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2009202328956U Expired - Lifetime CN201474970U (en) | 2009-07-24 | 2009-07-24 | Integrated electric scroll compressor assembly for automobile air conditioner |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101619721B (en) * | 2009-07-24 | 2010-11-17 | 南京银茂压缩机有限公司 | Integral electric scroll compressor assembly for vehicle air conditioners |
-
2009
- 2009-07-24 CN CN2009202328956U patent/CN201474970U/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101619721B (en) * | 2009-07-24 | 2010-11-17 | 南京银茂压缩机有限公司 | Integral electric scroll compressor assembly for vehicle air conditioners |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20100519 Effective date of abandoning: 20090724 |