CN220017790U - Compressor system, air conditioner and vehicle - Google Patents

Compressor system, air conditioner and vehicle Download PDF

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Publication number
CN220017790U
CN220017790U CN202320357669.0U CN202320357669U CN220017790U CN 220017790 U CN220017790 U CN 220017790U CN 202320357669 U CN202320357669 U CN 202320357669U CN 220017790 U CN220017790 U CN 220017790U
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China
Prior art keywords
compressor
resistor
detection module
compressor system
controller
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CN202320357669.0U
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Chinese (zh)
Inventor
杨金玉
覃欢平
刘聪聪
罗燕
叶梅娇
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BYD Co Ltd
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BYD Co Ltd
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    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02BCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
    • Y02B30/00Energy efficient heating, ventilation or air conditioning [HVAC]
    • Y02B30/70Efficient control or regulation technologies, e.g. for control of refrigerant flow, motor or heating

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  • Control Of Positive-Displacement Pumps (AREA)

Abstract

The utility model discloses a compressor system, an air conditioner and a vehicle, comprising: a compressor body; the regulating valve is arranged on the compressor body and used for regulating the exhaust pressure of the compressor body; the compressor controller is arranged on the compressor body and is connected with the regulating valve; the compressor controller comprises a parameter acquisition module, wherein the parameter acquisition module is used for acquiring the operation parameters of the compressor system; and the compressor controller controls the regulating valve according to the operation parameters of the compressor system acquired by the parameter acquisition module so as to regulate the exhaust pressure of the compressor body. The compressor system adjusts the exhaust pressure according to the parameters of the compressor system, the compressor system can not be started and stopped frequently, the uniformity of the control of the compressor body and the control of the regulating valve is good, the output efficiency is high, and the operation is reliable.

Description

Compressor system, air conditioner and vehicle
Technical Field
The present utility model relates to the field of compressors, and more particularly, to a compressor system, an air conditioner, and a vehicle.
Background
The compressor in the related art can only realize the change of the displacement by controlling the rotating speed, but when the compressor is in the working condition of the heat pump and operates for a period of time, the pressure value cannot be reduced due to the fact that the rotating speed is regulated at the moment, and the compressor is easy to start and stop when the rotating speed is low and the exhaust outlet pressure is high because the function of automatically regulating the displacement is not provided.
Therefore, some compressors are additionally provided with regulating valves, the discharge capacity is changed by controlling the opening of the regulating valves, but the opening of the regulating valves is usually controlled according to the comparison result of the external temperature and the user-set temperature, and the opening of the regulating valves is controlled by a controller of the air conditioner, so that the compressor cannot automatically regulate the discharge capacity according to the working condition, the uniformity of the control of the compressor and the control of the regulating valves is poor, and the problems of time lag, regulation lag and the like exist.
Disclosure of Invention
The present utility model aims to solve at least one of the technical problems existing in the prior art. Therefore, an object of the present utility model is to provide a compressor system, which can adjust the exhaust pressure according to its own parameters, and can not be frequently started and stopped, and has the advantages of good uniformity of compressor body control and regulating valve control, high output efficiency, reliable and safe operation, etc.
The utility model also provides an air conditioner with the compressor system.
The utility model further provides a vehicle with the air conditioner.
In order to achieve the above object, an embodiment according to a first aspect of the present utility model provides a compressor system including: a compressor body; the regulating valve is arranged on the compressor body and used for regulating the exhaust pressure of the compressor body; the compressor controller is arranged on the compressor body and is connected with the regulating valve; the compressor controller comprises a parameter acquisition module, wherein the parameter acquisition module is used for acquiring the operation parameters of the compressor system, and the compressor controller controls the regulating valve to regulate the exhaust pressure of the compressor body according to the operation parameters of the compressor system acquired by the parameter acquisition module.
According to the embodiment of the utility model, the compressor system can adjust the exhaust pressure according to the parameters of the compressor system, the compressor system can not be started and stopped frequently, the uniformity of the control of the compressor body and the control of the regulating valve is good, and the compressor system has the advantages of high output efficiency, reliable and safe operation and the like.
According to some embodiments of the utility model, the operating parameters of the compressor system include a rotational speed of the compressor body, a temperature of the compressor controller, a voltage of the compressor motor, and a current of the compressor motor.
According to some embodiments of the utility model, the parameter acquisition module comprises: the rotating speed detection module is used for detecting the rotating speed of the compressor body; the temperature detection module is used for detecting the temperature of the compressor controller; the voltage detection module is used for acquiring the voltage of the compressor motor; and the current detection module is used for detecting the current of the compressor motor.
According to some embodiments of the utility model, the compressor body has a working chamber, the regulating valve is communicated with the working chamber, and the compressor controller regulates the opening degree of the regulating valve to regulate the pressure of the working chamber according to the acquired operation parameter of the compressor system, so as to regulate the discharge pressure of the compressor body.
According to some embodiments of the utility model, the compressor controller comprises a control unit and a signal processing circuit, the parameter acquisition module is connected with the control unit, the control unit is connected with the regulating valve through the signal processing circuit, and the regulating valve is controlled according to the acquired operation parameter of the compressor body.
According to some embodiments of the utility model, the compressor controller further comprises: the current acquisition circuit is respectively connected with the regulating valve and the control unit of the signal processing circuit, acquires the current of the regulating valve and feeds the current of the regulating valve back to the control unit.
According to some embodiments of the utility model, the signal processing circuit comprises: one end of the first resistor is connected with the control unit; one end of the second resistor is connected with the other end of the first resistor, and the other end of the second resistor is grounded; one end of the first capacitor is connected with the other end of the first resistor, and the other end of the first capacitor is grounded; one end of the power switch is provided with a first end, a second end and a third end, the first end is connected with the other end of the first resistor, and the second end is connected with the current acquisition circuit; one end of the diode is connected with the third end and one end of the regulating valve respectively; and the power supply is respectively connected with the other end of the diode and the other end of the regulating valve.
According to some embodiments of the utility model, the current acquisition circuit comprises: one end of the third resistor is connected with the signal processing circuit, and the other end of the third resistor is grounded; one end of the fourth resistor is connected with one end of the third resistor; one end of the fifth resistor is connected with the other end of the third resistor; one end of the second capacitor is connected with the other end of the fourth resistor, and the other end of the second capacitor is connected with the other end of the fifth resistor; a sixth resistor, one end of which is connected with the one end of the second capacitor; a seventh resistor, one end of which is connected with the other end of the second capacitor; the positive electrode input end of the operational amplifier is connected with the other end of the sixth resistor, and the negative electrode input end of the operational amplifier is connected with the other end of the seventh resistor; an eighth resistor, one end of which is connected with the other end of the seventh resistor, and the other end of which is connected with the output end of the operational amplifier; a ninth resistor, one end of which is connected with the other end of the eighth resistor, and the other end of which is connected with the control unit; and one end of the third capacitor is connected with the other end of the ninth resistor, and the other end of the third capacitor is grounded.
According to a second aspect of the present utility model, an embodiment proposes an air conditioner, including a compressor system according to the first aspect of the present utility model, the compressor system further including an intake pressure detection module and an exhaust pressure detection module, the intake pressure detection module and the exhaust pressure detection module being mounted to the compressor body, the intake pressure detection module being configured to acquire an intake pressure signal of the compressor body, the exhaust pressure detection module being configured to acquire an exhaust pressure signal of the compressor body;
the air conditioner further comprises an air conditioner controller, the air conditioner controller comprises an air inlet pressure calculation module and an air outlet pressure calculation module, the air inlet pressure detection module sends the acquired air inlet pressure signal to the air inlet pressure calculation module, and the air inlet pressure calculation module calculates an air inlet pressure value according to the received air inlet pressure signal and sends the air inlet pressure value to the compressor controller;
the exhaust pressure detection module sends the acquired exhaust pressure signal to the exhaust pressure calculation module, and the exhaust pressure calculation module calculates an exhaust pressure value according to the received exhaust pressure signal and sends the exhaust pressure value to the compressor controller.
An air conditioner according to an embodiment of the second aspect of the present utility model has advantages of high output efficiency, reliable operation, safety, and the like by using the compressor system according to the embodiment of the first aspect of the present utility model.
According to a third aspect of the present utility model, a vehicle is provided, comprising an air conditioner according to the second aspect of the present utility model.
According to the vehicle of the embodiment of the third aspect of the utility model, the air conditioner of the embodiment of the second aspect of the utility model is utilized, so that the vehicle has the advantages of high output efficiency, reliable operation, safety and the like.
In the scheme, the compressor controller controls the regulating valve according to the operation parameters of the compressor body so as to more reasonably regulate the self displacement of the compressor system according to the working condition of the compressor system, the pressure release is realized without controlling the stop of the compressor system, the exhaust pressure can be reduced, the exhaust pressure is regulated to a proper range, the reliability and the safety of the compressor system are effectively improved, and the compressor system and the regulating valve are controlled by adopting the parameters of the compressor body, so that the uniformity of the control of the compressor system and the control of the regulating valve can be ensured, the problems of time lag, regulation lag and the like do not occur, and the stable and continuous operation of the output of the compressor system is ensured.
Additional aspects and advantages of the utility model will be set forth in part in the description which follows, and in part will be obvious from the description, or may be learned by practice of the utility model.
Drawings
The foregoing and/or additional aspects and advantages of the utility model will become apparent and may be better understood from the following description of embodiments taken in conjunction with the accompanying drawings in which:
fig. 1 is a schematic structural view of a compressor system according to an embodiment of the present utility model.
Fig. 2 is a schematic diagram of the connection of a compressor controller and a regulating valve of a compressor system according to an embodiment of the present utility model.
Fig. 3 is a schematic diagram of the connection of a compressor controller to a compressor body of a compressor system according to an embodiment of the present utility model.
Fig. 4 is a schematic connection diagram of a compressor controller and an air conditioner controller of a compressor system according to an embodiment of the present utility model.
Fig. 5 is a circuit diagram of the connections of the signal processing circuit, the current collecting circuit, and the regulating valve of the compressor system according to the embodiment of the present utility model.
Reference numerals:
compressor system, air conditioner controller 2, intake pressure calculation module 21, exhaust pressure calculation module 22,
A compressor body 100, a compressor motor 110,
A regulating valve 200,
Compressor controller 300, control unit 310, signal processing circuit 330, first resistor 331, second resistor 332, first capacitor 333, power switch 334, diode 335, power supply 336,
A rotation speed detection module 400, an intake pressure detection module 410, an exhaust pressure detection module 420, a parameter acquisition module 430,
A temperature detection module 500, a voltage detection module 510, a current detection module 520,
The current acquisition circuit 600, the third resistor 610, the fourth resistor 620, the fifth resistor 630, the sixth resistor 640, the seventh resistor 650, the eighth resistor 660, the ninth resistor 670, the second capacitor 680, the third capacitor 690, the operational amplifier 601,
A communication module 800 and a communication isolation module 900.
Detailed Description
Embodiments of the present utility model will be described in detail below, by way of example with reference to the accompanying drawings.
In the description of the present utility model, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings are merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the device or element being referred to must have a specific orientation, be configured and operated in a specific orientation, and therefore should not be construed as limiting the present utility model.
In the description of the present utility model, "plurality" means two or more.
A compressor system according to an embodiment of the present utility model is described below with reference to the drawings.
As shown in fig. 1 to 5, the compressor system according to the embodiment of the present utility model includes a compressor body 100, a regulating valve 200, and a compressor controller 300.
The adjusting valve 200 is installed to the compressor body 100 for adjusting the discharge pressure of the compressor body 100. The compressor controller 300 is installed on the compressor body 100 and connected to the regulating valve 200, and the parameter acquiring module 430 of the compressor body 100 is configured to acquire an operation parameter of the compressor system, and the compressor controller 300 controls the regulating valve 200 according to the operation parameter of the compressor system acquired by the parameter acquiring module 430, so as to regulate the discharge pressure of the compressor body 100.
In some embodiments of the present utility model, the compressor body 100 has a compressor motor 110, and the compressor controller 300 includes a control unit 310, a driving module, and a signal processing circuit 330, wherein the control unit 310 is connected to the compressor motor 110 through the driving module, and controls the compressor motor 110 according to an operation parameter of the compressor motor 110. The control unit 310 is connected to the control valve 200 through the signal processing circuit 330, and controls the control valve 200 according to the acquired operation parameters of the compressor body 100.
By installing the compressor controller 300 to the compressor body 100, the compressor controller 300 includes a control unit 310 and a driving module, the compressor body 100 has the compressor motor 110, and the control unit 310 is connected to the compressor motor 110 through the driving module and controls the compressor motor 110 according to the operation parameters of the compressor motor 110.
For example, the drive module may include six power switches of a three-phase inverter that are combined in different ways to generate pulse width modulated waves and to cause the output current waveform to approach an ideal sine wave infinitely, thereby achieving a flux linkage of an ideal circular trajectory to operate the compressor motor 110.
According to the compressor system of the embodiment of the utility model, the regulating valve 200 is installed on the compressor body 100 and is used for regulating the exhaust pressure of the compressor body 100, and by setting the regulating valve 200, even if the compressor system is in a working condition of low rotation speed and high pressure, the exhaust pressure of the compressor system can be effectively regulated, so that frequent start and stop of the compressor system are avoided, and the use experience of customers is optimized.
In addition, the compressor controller 300 is connected to the regulating valve 200, and controls the regulating valve 200 according to the operation parameters of the compressor system acquired by the parameter acquisition module 430, for example, the compressor controller 300 controls the regulating valve 200 according to the signal processing circuit 330, so that the compressor controller 300 integrates both functions of controlling the compressor motor 110 and controlling the regulating valve 200, that is, the compressor controller 300 can control the regulating valve 200.
Since the compressor controller 300 can obtain the operation parameters of the compressor body 100, and then output a control signal to the regulating valve 200 according to the feedback result of the parameter obtaining module 430 to control the opening of the regulating valve 200, that is to say, the compressor controller 300 controls the regulating valve 200 according to the operation parameters of the compressor body 100, so as to more reasonably regulate the self displacement of the compressor system according to the working condition of the compressor system, the pressure release can be realized without controlling the shutdown of the compressor system, the exhaust pressure can be reduced, the exhaust pressure is regulated to a proper range, the reliability and the safety of the compressor system are effectively improved, and since the compressor system and the regulating valve 200 are controlled by adopting the parameters of the compressor system, the uniformity of the control of the compressor system and the control valve 200 can be ensured, the problems of time lag, regulation lag and the like can not occur, and the output stability and the continuous operation of the compressor system are ensured.
In some embodiments of the present utility model, since the control unit 310 can obtain the operation parameters of the compressor body 100 through the parameter obtaining module 430, the control unit 310 outputs a control signal according to the feedback result of the parameter obtaining module 430, and the control signal is output to the adjusting valve 200 through the signal processing circuit 330 to control the opening of the adjusting valve 200, that is, the control unit 310 controls the adjusting valve 200 according to the operation parameters of the compressor body 100, so as to more reasonably adjust the self-displacement of the compressor system according to the working condition of the compressor system, without controlling the shutdown of the compressor system to realize pressure relief, the exhaust pressure can be reduced, the exhaust pressure is adjusted to a proper range, the reliability and the safety of the compressor system are effectively improved, and since the compressor system and the adjusting valve 200 are controlled by adopting the parameters of the compressor system, the uniformity of the compressor system control and the control of the adjusting valve 200 can be ensured, the problems of time lag, adjustment lag and the like do not occur, and the output of the compressor system is ensured to be stable and continuously operated.
When the compressor system outputs with large displacement, the opening of the regulating valve 200 can be regulated to the maximum, so that the maximum capacity output is met, and the output efficiency of the compressor system is improved; when the compressor system is in the low-speed and high-pressure working condition in the heat pump mode, the compressor controller 300 controls the compressor system to reduce the displacement through the regulating valve 200, and meanwhile, the rotation speed of the compressor motor 110 of the compressor system is increased, so that the compressor motor 110 of the compressor system works at a high-efficiency rotation speed, the high-pressure requirement of the system can be met, and the output efficiency of the compressor system is ensured.
The signal processing circuit 330 may be a PWM output circuit, the signal processing circuit 330 may include a power switch such as an IGBT, the control unit 310 outputs a PWM control signal to the signal processing circuit 330, the signal processing circuit 330 outputs a control waveform to the regulator valve 200 according to the PWM control signal, and the signal processing circuit 330 is further capable of providing a corresponding current to the regulator valve 200.
The operation of the compressor system is described by way of example with reference to the accompanying drawings:
firstly, the compressor system starts to run, the control unit 310 also runs, and the control unit 310 acquires the exhaust pressure of the compressor system and the rotating speed of the compressor body 100 in real time;
next, when the control unit 310 determines that the compressor system is in a working condition with a higher occurrence rate of shutdown failure (e.g., a working condition with a low rotation speed and a high discharge pressure), the control unit 310 calculates and sends a suitable PWM control signal to the input end of the signal processing circuit 330 according to the parameters (e.g., voltage, current, pressure, rotation speed, etc.) of the compressor system at that time;
then, the signal processing circuit 330 receives the PWM control signal, and performs operation processing according to the PWM signal to output a corresponding duty cycle waveform to the regulator valve 200;
finally, the regulating valve 200 regulates the opening degree of the regulating valve according to different duty cycle waveforms, thereby realizing the control of the displacement of the compressor system.
Thus, the compressor system according to the embodiment of the utility model can adjust the exhaust pressure according to the parameters thereof, can not be started and stopped frequently, has good uniformity of control of the compressor body 100 and control of the regulating valve 200, and has the advantages of high output efficiency, reliable and safe operation and the like.
According to some embodiments of the present utility model, the operating parameters of the compressor system include the rotational speed of the compressor body 100, the temperature of the compressor controller 300, the voltage of the compressor motor 110, and the current of the compressor motor 110.
According to some embodiments of the present utility model, as shown in fig. 3 and 4, the parameter acquisition module 430 includes a rotation speed detection module 400, a temperature detection module 500, a voltage detection module 510, and a current detection module 520.
The rotation speed detection module 400 is installed on the compressor body 100 and connected to the control unit 310, and is used for detecting the rotation speed of the compressor body 100. The temperature detection module 500 is connected to the compressor controller 300 for detecting the temperature of the compressor controller 300, and in particular, the temperature detection module 500 is used for detecting the temperature of the IGBTs in the compressor controller 300. The voltage detection module 510 is connected to the control unit 310 for detecting the voltage of the compressor motor 110, and the current detection module 520 is connected to the control unit 310 for detecting the current of the compressor motor 110.
In this way, the compressor controller 300 can obtain the real-time rotation speed of the compressor body 100, the real-time temperature, the real-time voltage and the real-time current information of the IGBT in the compressor controller 300, so as to monitor the operation state of the compressor motor 110 in real time, thereby ensuring the stable operation of the compressor motor 110, and providing a guarantee for the stable operation of the compressor system, so that it can be determined in real time whether the compressor system is under the working conditions of low rotation speed and high pressure, and the opening degree of the regulating valve 200 can be changed more accurately, so that the compressor system can operate stably.
The control unit 310 may change the opening degree of the regulating valve 200 according to the feedback results of the rotation speed detection module 400, the temperature detection module 500, the voltage detection module 510, and the current detection module 520, so that the discharge pressure of the compressor system may be varied according to the operation parameters of the compressor system, and the reliability and safety of the compressor system may be greatly improved.
According to some embodiments of the present utility model, as shown in fig. 2, the compressor controller 300 further includes a current acquisition circuit 600.
The current acquisition circuit 600 is respectively connected with the signal processing circuit 330, the regulating valve 200 and the control unit 310, and is used for acquiring the current of the regulating valve 200 and feeding back the current of the regulating valve 200 to the control unit 310.
Since the regulating valve 200 has a certain current protection strategy, the maximum current of the regulating valve 200 is limited in a certain control curve, the control unit 310 can compare whether the real-time current of the regulating valve 200 matches with the control curve to determine whether the current state of the regulating valve 200 is correct, so as to further achieve the purpose of protecting the compressor system. When the control unit 310 finds that the current value of the regulating valve 200 is acquired by the current acquisition circuit 600, the control unit 310 can perform corresponding protection action, and in addition, the control unit 310 can perform calibration and calibration on the compressor system through the acquired current value of the regulating valve 200.
For example, as shown in fig. 5, the signal processing circuit 330 includes a first resistor 331, a second resistor 332, a first capacitor 333, a power switch 334, a diode 335, and a power supply 336.
One end of the first resistor 331 is connected to the control unit 310, one end of the second resistor 332 is connected to the other end of the first resistor 331, the other end of the second resistor 332 is grounded, one end of the first capacitor 333 is connected to the other end of the first resistor 331, the other end of the first capacitor 333 is grounded, one end of the power switch 334 has a first end, a second end and a third end, the first end is connected to the other end of the first resistor 331, the second end is connected to the current collecting circuit 600, one end of the diode 335 is connected to the third end and one end of the regulating valve 200, and the power supply 336 is connected to the other end of the diode 335 and the other end of the regulating valve 200.
Wherein the voltage of the power supply 336 may be 15V. The second resistor 332 and the first capacitor 333 may perform filtering, the power switch 334 may be an IGBT, the diode 335 and the power supply 336 may freewheel for the regulating valve 200, and stability of the opening degree of the regulating valve 200 is ensured.
In addition, as shown in fig. 5, the current acquisition circuit 600 includes a third resistor 610, a fourth resistor 620, a fifth resistor 630, a sixth resistor 640, a seventh resistor 650, an eighth resistor 660, a ninth resistor 670, a second capacitor 680, a third capacitor 690, and an operational amplifier 601.
One end of the third resistor 610 is connected to the signal processing circuit 330 and the other end is grounded, one end of the fourth resistor 620 is connected to the one end of the third resistor 610, one end of the fifth resistor 630 is connected to the other end of the third resistor 610, one end of the second capacitor 680 is connected to the other end of the fourth resistor 620 and the other end is connected to the other end of the fifth resistor 630, one end of the sixth resistor 640 is connected to the one end of the second capacitor 680, one end of the seventh resistor 650 is connected to the other end of the second capacitor 680, the positive input end of the operational amplifier 601 is connected to the other end of the sixth resistor 640, the negative input end of the operational amplifier 601 is connected to the other end of the seventh resistor 650, one end of the eighth resistor 660 is connected to the other end of the seventh resistor 650, the other end of the eighth resistor 660 is connected to the output end of the operational amplifier 601, one end of the ninth resistor 670 is connected to the other end of the eighth resistor 670 and the control unit 310, and the other end of the third capacitor 690 is grounded.
The third resistor 610 is used for collecting the current of the regulating valve 200 through the signal processing circuit 330. The fourth resistor 620, the fifth resistor 630, the sixth resistor 640, the seventh resistor 650, the eighth resistor 660, the second capacitor 680, and the operational amplifier 601 form an amplifying circuit, which can amplify the current collected by the third resistor 610, so as to improve the accuracy of detecting the feedback current value by the control unit 310, and the ninth resistor 670 and the third capacitor 690 can filter the signal, so as to further improve the accuracy of detecting the feedback current value by the control unit 310.
According to some embodiments of the utility model, the compressor controller 300 further comprises a filtering module. The filtering module is connected with the driving module and is suitable for being connected with a high-voltage power supply. Because the driving module is easy to receive electromagnetic interference in a high-pressure environment, the influence of the electromagnetic interference on the driving module can be reduced by arranging the filtering module, so that the normal operation of the driving module is ensured, and the stable operation of the compressor motor 110 is further ensured.
According to some embodiments of the present utility model, the compressor controller 300 further includes a control circuit board (not shown). The control unit 310, the signal processing circuit 330, the driving module, the rotation speed detecting module 400, the temperature detecting module 500, the voltage detecting module 510, the current detecting module 520 and the current collecting circuit 600 are mounted on a control circuit board. Thus, the compressor controller 300 has higher integration and smaller volume, which is beneficial to improving the space utilization of the compressor system.
According to some embodiments of the present utility model, the compressor body 100 has a working chamber, the adjusting valve 200 communicates with the working chamber, and the compressor controller 300 adjusts the opening degree of the adjusting valve 200 according to the obtained operation parameter of the compressor body 100 to adjust the pressure of the working chamber, thereby realizing the adjustment of the discharge pressure of the compressor body 100.
An air conditioner according to an embodiment of the present utility model, including the compressor system according to the above-described embodiment of the present utility model, will be described below with reference to the drawings.
According to the air conditioner provided by the embodiment of the utility model, the compressor system provided by the embodiment of the utility model has the advantages of high output efficiency, reliable operation, safety and the like.
According to some embodiments of the present utility model, as shown in fig. 4, the air conditioner further includes an air conditioner controller 2, and the compressor controller 300 further includes a communication module 800, wherein the communication module 800 is connected to the control unit 310. The communication module 800 may be a CAN transceiver.
The compressor system further includes an intake pressure detection module 410 and an exhaust pressure detection module 420, where the intake pressure detection module 410 and the exhaust pressure detection module 420 are installed on the compressor body 100, the intake pressure detection module 410 is used to obtain an intake pressure signal of the compressor body 100, and the exhaust pressure detection module 420 is used to obtain an exhaust pressure signal of the compressor body 100.
For example, the air conditioner controller 2 further includes an intake pressure calculation module 21 and an exhaust pressure calculation module 22. The intake pressure detection module 410 sends the detected intake pressure signal to the intake pressure calculation module 21, and the intake pressure calculation module 21 calculates according to the received intake pressure signal, and sends the calculated compressor intake pressure value to the compressor controller 2, specifically, sends the calculated compressor intake pressure value to the control unit 310 through the communication module 800. The discharge pressure detection module 420 transmits the detected discharge pressure signal to the discharge pressure calculation module 22, and the discharge pressure calculation module 22 calculates from the received discharge pressure signal, transmits the calculated compressor discharge pressure value to the compressor controller 2, and specifically, transmits the calculated compressor discharge pressure value to the control unit 310 through the communication module 800. By sending the intake pressure and the exhaust pressure of the compressor to the compressor controller 2, the compressor system can monitor the intake pressure and the exhaust pressure of the compressor in real time, and determine whether the regulating valve 200 needs to be regulated according to the monitored intake pressure and exhaust pressure, thereby further improving the control efficiency of the regulating valve 200.
According to some embodiments of the present utility model, as shown in fig. 1, the compressor controller 300 further includes a communication isolation module, wherein the communication isolation module may be an optical coupling isolation structure.
By arranging the communication isolation module, communication between the air conditioner controller 2 and the compressor controller 300 can be realized, and isolation between a high-voltage power supply and a low-voltage power supply of the compressor controller 300 can be realized, so that the circuit safety is higher.
A vehicle according to an embodiment of the present utility model, including an air conditioner according to the above-described embodiment of the present utility model, is described below with reference to the drawings.
According to the vehicle provided by the embodiment of the utility model, the air conditioner provided by the embodiment of the utility model has the advantages of high output efficiency, reliable and safe operation and the like.
Other constructions and operations of compressor systems, air conditioners, and vehicles according to embodiments of the present utility model are known to those of ordinary skill in the art and will not be described in detail herein.
In the description of the present specification, reference to the terms "one embodiment," "some embodiments," "illustrative embodiments," "examples," "specific examples," or "some examples," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the utility model. In this specification, schematic representations of the above terms do not necessarily refer to the same embodiments or examples.
While embodiments of the present utility model have been shown and described, it will be understood by those of ordinary skill in the art that: many changes, modifications, substitutions and variations may be made to the embodiments without departing from the spirit and principles of the utility model, the scope of which is defined by the claims and their equivalents.

Claims (9)

1. A compressor system, comprising:
a compressor body;
the regulating valve is arranged on the compressor body and used for regulating the exhaust pressure of the compressor body;
the compressor controller, the compressor controller install in the compressor body and with the governing valve is connected, the compressor controller includes control unit, signal processing circuit and current acquisition circuit, signal processing circuit includes:
one end of the first resistor is connected with the control unit;
one end of the second resistor is connected with the other end of the first resistor, and the other end of the second resistor is grounded;
one end of the first capacitor is connected with the other end of the first resistor, and the other end of the first capacitor is grounded;
one end of the power switch is provided with a first end, a second end and a third end, the first end is connected with the other end of the first resistor, and the second end is connected with the current acquisition circuit;
one end of the diode is connected with the third end and one end of the regulating valve respectively;
the power supply is respectively connected with the other end of the diode and the other end of the regulating valve;
the compressor controller further comprises a parameter acquisition module, wherein the parameter acquisition module is used for acquiring the operation parameters of the compressor system, and the compressor controller controls the regulating valve to regulate the exhaust pressure of the compressor body according to the operation parameters of the compressor system acquired by the parameter acquisition module.
2. The compressor system of claim 1, wherein the operating parameters of the compressor system include a rotational speed of the compressor body, a temperature of the compressor controller, a voltage of the compressor motor, and a current of the compressor motor.
3. The compressor system of claim 2, wherein the parameter acquisition module comprises:
the rotating speed detection module is used for acquiring the rotating speed of the compressor body;
the temperature detection module is used for acquiring the temperature of the compressor controller;
the voltage detection module is used for acquiring the voltage of the compressor motor;
and the current detection module is used for acquiring the current of the compressor motor.
4. The compressor system of claim 1, wherein the compressor body has a working chamber, the regulator valve is in communication with the working chamber, and the compressor controller adjusts the opening of the regulator valve to regulate the pressure of the working chamber based on the obtained operating parameter of the compressor system, thereby effecting a regulation of the discharge pressure of the compressor body.
5. The compressor system of claim 1, wherein the parameter acquisition module is coupled to the control unit, the control unit is coupled to the regulator valve via the signal processing circuit, and the regulator valve is controlled based on the acquired operating parameter of the compressor body.
6. The compressor system of claim 1, wherein the current acquisition circuit is connected to the control unit and the regulator valve, respectively, and the current acquisition circuit is configured to acquire a current of the regulator valve and feed back the current of the regulator valve to the control unit.
7. The compressor system of claim 1, wherein the current acquisition circuit comprises:
one end of the third resistor is connected with the signal processing circuit, and the other end of the third resistor is grounded;
one end of the fourth resistor is connected with one end of the third resistor;
one end of the fifth resistor is connected with the other end of the third resistor;
one end of the second capacitor is connected with the other end of the fourth resistor, and the other end of the second capacitor is connected with the other end of the fifth resistor;
a sixth resistor, one end of which is connected with the one end of the second capacitor;
a seventh resistor, one end of which is connected with the other end of the second capacitor;
the positive electrode input end of the operational amplifier is connected with the other end of the sixth resistor, and the negative electrode input end of the operational amplifier is connected with the other end of the seventh resistor;
an eighth resistor, one end of which is connected with the other end of the seventh resistor, and the other end of which is connected with the output end of the operational amplifier;
a ninth resistor, one end of which is connected with the other end of the eighth resistor, and the other end of which is connected with the control unit;
and one end of the third capacitor is connected with the other end of the ninth resistor, and the other end of the third capacitor is grounded.
8. An air conditioner characterized by comprising the compressor system according to any one of claims 1-7, further comprising an intake pressure detection module and an exhaust pressure detection module, the intake pressure detection module and the exhaust pressure detection module being mounted to the compressor body, the intake pressure detection module being for acquiring an intake pressure signal of the compressor body, the exhaust pressure detection module being for acquiring an exhaust pressure signal of the compressor body;
the air conditioner further comprises an air conditioner controller, the air conditioner controller comprises an air inlet pressure calculation module and an air outlet pressure calculation module, the air inlet pressure detection module sends the acquired air inlet pressure signal to the air inlet pressure calculation module, and the air inlet pressure calculation module calculates an air inlet pressure value according to the received air inlet pressure signal and sends the air inlet pressure value to the compressor controller;
the exhaust pressure detection module sends the acquired exhaust pressure signal to the exhaust pressure calculation module, and the exhaust pressure calculation module calculates an exhaust pressure value according to the received exhaust pressure signal and sends the exhaust pressure value to the compressor controller.
9. A vehicle comprising the air conditioner according to claim 8.
CN202320357669.0U 2023-02-21 2023-02-21 Compressor system, air conditioner and vehicle Active CN220017790U (en)

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Application Number Priority Date Filing Date Title
CN202320357669.0U CN220017790U (en) 2023-02-21 2023-02-21 Compressor system, air conditioner and vehicle

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202320357669.0U CN220017790U (en) 2023-02-21 2023-02-21 Compressor system, air conditioner and vehicle

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CN220017790U true CN220017790U (en) 2023-11-14

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