CN113629837A - Compressor motor system - Google Patents
Compressor motor system Download PDFInfo
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- CN113629837A CN113629837A CN202111059991.7A CN202111059991A CN113629837A CN 113629837 A CN113629837 A CN 113629837A CN 202111059991 A CN202111059991 A CN 202111059991A CN 113629837 A CN113629837 A CN 113629837A
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- Prior art keywords
- compressor
- direct current
- direct
- mcu controller
- module
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Classifications
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
- H02J7/32—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries for charging batteries from a charging set comprising a non-electric prime mover rotating at constant speed
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60H—ARRANGEMENTS OF HEATING, COOLING, VENTILATING OR OTHER AIR-TREATING DEVICES SPECIALLY ADAPTED FOR PASSENGER OR GOODS SPACES OF VEHICLES
- B60H1/00—Heating, cooling or ventilating [HVAC] devices
- B60H1/32—Cooling devices
- B60H1/3204—Cooling devices using compression
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
- B60R16/00—Electric or fluid circuits specially adapted for vehicles and not otherwise provided for; Arrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for
- B60R16/02—Electric or fluid circuits specially adapted for vehicles and not otherwise provided for; Arrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for electric constitutive elements
- B60R16/03—Electric or fluid circuits specially adapted for vehicles and not otherwise provided for; Arrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for electric constitutive elements for supply of electrical power to vehicle subsystems or for
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
- H02J7/0068—Battery or charger load switching, e.g. concurrent charging and load supply
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K11/00—Structural association of dynamo-electric machines with electric components or with devices for shielding, monitoring or protection
- H02K11/20—Structural association of dynamo-electric machines with electric components or with devices for shielding, monitoring or protection for measuring, monitoring, testing, protecting or switching
- H02K11/21—Devices for sensing speed or position, or actuated thereby
- H02K11/215—Magnetic effect devices, e.g. Hall-effect or magneto-resistive elements
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K11/00—Structural association of dynamo-electric machines with electric components or with devices for shielding, monitoring or protection
- H02K11/20—Structural association of dynamo-electric machines with electric components or with devices for shielding, monitoring or protection for measuring, monitoring, testing, protecting or switching
- H02K11/25—Devices for sensing temperature, or actuated thereby
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Control Of Positive-Displacement Pumps (AREA)
Abstract
The invention relates to a compressor motor system, in particular to a direct-current compressor, wherein the direct-current compressor is connected with a refrigerating system; a DC generator supplying electrical energy to a DC compressor; the driving circuit is connected with the power control module and is respectively connected with the direct-current compressor and the direct-current generator; the MCU controller is electrically connected with the driving circuit and controls the working state of the driving circuit; the battery packs are respectively connected to a common end between the direct current generator and the power control module; the invention has the advantages that the direct-current compressor, the direct-current generator, the driving circuit, the power control module, the direct-current generator, the battery pack and the MCU controller are combined for use, so that the air conditioning system is shared in two running and parking states of the automobile, the operation cost can be reduced, the noise can be reduced, and the emission can be reduced.
Description
Technical Field
The invention relates to the technical field of automobile refrigeration systems, in particular to a compressor motor system.
Background
The traditional independent automobile air conditioner and the independent refrigerating unit for transportation are generally structurally characterized in that a diesel engine, a compressor and a diesel generator are fixedly connected through a base or a support. When the automobile is parked, the diesel generator works to output power for the compressor to run; however, the compressor, when operating for a long period of time, consumes a certain amount of diesel fuel, which causes a constant increase in the overall cost over time and an increase in the emission of exhaust gases, polluting the atmosphere.
Disclosure of Invention
The present invention is directed to overcoming the above-mentioned problems and providing a compressor motor system that can reduce transportation costs and provide energy savings.
The invention describes a compressor motor system,
the direct current compressor is connected with a refrigerating system;
a DC generator supplying electrical energy to the DC compressor and battery through a control system;
the driving circuit is connected with the power control module and is respectively connected with the direct-current compressor and the direct-current generator;
the MCU controller is electrically connected with the driving circuit and controls the working state of the driving circuit;
the battery pack is used for charging the battery pack through the charging and discharging control module when the direct current generator works, and when the direct current generator stops working, the battery pack supplies power to the direct current compressor through the direct current variable frequency control system.
Furthermore, the MCU controller is also connected with a detection module, the detection module can detect the current at the input end of the DC compressor, and a voltage signal is provided to the MCU controller.
Furthermore, a Hall sensor is arranged on the direct current compressor and connected to the input end of the detection module.
Furthermore, the direct current compressor is also provided with a temperature sensor, and the temperature sensor is connected to the input end of the detection module.
Furthermore, the input end of the power control module is also connected with a voltage stabilizing module, the MCU controller is provided with a voltage detection end, and the voltage detection end is connected to the output end of the voltage stabilizing module.
Furthermore, the voltage stabilizing module is divided into a first voltage stabilizing module and a second voltage stabilizing module, and output ends of the first voltage stabilizing module and the second voltage stabilizing module are connected.
Furthermore, the MCU controller is respectively provided with a speed given port, a power given port and a function expansion port.
Furthermore, refrigerating system includes evaporimeter, throttling arrangement, condenser and corresponds the radiating fan that is used for evaporimeter and condenser respectively, evaporimeter, throttling arrangement and condenser connect gradually, are connected through the DC compressor between evaporimeter and the condenser.
Further, the voltage stabilizing modules respectively output voltages of 5V and 15V, and provide stable working voltage for the MCU controller.
The invention has the beneficial effects that: the scheme combines the direct current compressor, the direct current generator, the driving circuit, the power control module, the direct current generator, the battery pack and the MCU controller for use, realizes that an air conditioning system is shared by the automobile in two running and parking states, enables the direct current generator to charge the battery pack and supply power to direct current compression when the automobile runs on a road, thereby realizing air conditioning of the automobile and simultaneously charging the battery pack, and when the automobile stops, the battery pack supplies power to the direct current compressor, and the automobile engine can also realize air conditioning of the automobile without starting, thereby reducing the operation cost, lowering the noise and reducing the emission.
Drawings
The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings.
Fig. 1 is a control circuit diagram of the present invention.
Fig. 2 is a schematic view of the direct current compressor, the evaporator, the throttling device and the condenser connected in sequence.
The reference numbers are as follows:
the system comprises a direct current compressor 1, an evaporator 2, a throttle valve 3, a condenser 4 and a power control module 5.
Detailed Description
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the accompanying drawings are illustrative only for the purpose of explaining the present invention, and are not to be construed as limiting the present invention.
As shown in fig. 1 to 2, the present invention describes a compressor motor system in which,
the direct-current compressor 1 is connected with a refrigerating system;
a dc generator that supplies electric power to the dc compressor 1;
the driving circuit is connected with the power control module 5 and is respectively connected with the direct-current compressor 1 and the direct-current generator;
the MCU controller is electrically connected with the driving circuit and controls the working state of the driving circuit;
the battery pack is used for charging the battery pack through the charging and discharging control module when the direct current generator works, and when the direct current generator stops working, the battery pack supplies power to the direct current compressor through the direct current variable frequency control system.
In the scheme, the MCU controller is also connected with a detection module, and the input end of the detection module is connected to the output end of the power control module 5.
The scheme realizes that the automobile shares an air conditioning system under two states of running and parking by combining the direct current compressor 1, the direct current generator, the driving circuit, the power control module 5, the direct current generator, the battery pack and the MCU controller, particularly, the direct current generator can charge the battery pack and provide electric energy for the direct current compressor when the automobile runs on a road, so that the battery pack is charged while the air conditioning is carried out on the automobile; in addition, the power control module 5 controls the frequency conversion state of the direct current compressor, and the energy-saving effect is achieved.
The output end of the generator is respectively connected with a first capacitor C1, a second capacitor C2, a first inductor L1, a second inductor L2, a first diode D1 and a second diode D2, and a resonant circuit is formed by the first capacitor C1, the second capacitor C2, the first inductor L1, the second inductor L2, the first diode D1 and the second diode D2. Wherein the first capacitor C1 and the second capacitor C2 perform a filtering function.
A third diode D3 and a fourth diode D4 are also connected to the battery pack.
The power control module 5 is divided into a first field effect transistor T1, a second field effect transistor T2, a third field effect transistor T3, a fourth field effect transistor T4, a fifth field effect transistor T5 and a sixth field effect transistor T6, wherein the first field effect transistor T1 is connected with the fourth field effect transistor T4 in series, the second field effect transistor T2 is connected with the fifth field effect transistor T5 in series, and the third field effect transistor T3 is connected with the sixth field effect transistor T6 in series.
The control ends of the first field-effect tube T1, the second field-effect tube T2, the third field-effect tube T3, the fourth field-effect tube T4, the fifth field-effect tube T5 and the sixth field-effect tube T6 are respectively connected with the driving circuit; a first resistor R1 is connected to a common end of the first field effect transistor T1 and the fourth field effect transistor T4, the first resistor R1 is connected to a U1 end of the direct-current compressor, a fourth resistor R4 is connected to a common end of the second field effect transistor T2 and the fifth field effect transistor T5, the fourth resistor R4 is connected to a V1 end of the direct-current compressor, a seventh resistor R7 is connected to a common end of the third field effect transistor T3 and the sixth field effect transistor T6, and the seventh resistor R7 is connected to a W1 end of the direct-current compressor.
The detection modules are respectively connected to the U1 terminal, the V1 terminal and the W1 terminal of the direct current compressor.
According to the scheme, the direct current compressor is respectively provided with the Hall sensors, and the Hall sensors are connected to the input end of the detection module. The Hall current sensor is mainly suitable for isolation conversion of complex signals such as direct current and pulse, the converted signals can be directly collected and received by various collecting devices such as AD, DSP, PLC, secondary instruments and the like through the Hall effect principle, the response time is fast, the current measurement range is wide, the precision is high, the overload capacity is strong, the linearity is good, and the anti-interference capacity is strong. In the scheme, the direct current compressor 1 is respectively provided with a temperature sensor, and the temperature sensors are connected to the input end of the detection module. The Hall sensor is mainly used for detecting the position of the magnetic pole of the rotor of the direct current compressor 1, so that the MCU controller accurately controls the on-off of the field effect tube in the power output module 5, and the direct current compressor 1 can run more power-saving and more reliable. Meanwhile, the MCU controller obtains the rotating speed parameter of the direct current compressor to form accurate and efficient closed-loop control. And accordingly, the operating state of the power output module 5 is controlled accordingly.
The temperature sensor is used for detecting the temperature of the direct current compressor and avoiding damage caused by overheating of the direct current compressor.
In the scheme, the input end of the power control module 5 is also connected with a voltage stabilizing module, the MCU controller is provided with a voltage detection end, and the voltage detection end is connected to the output end of the voltage stabilizing module. The voltage detection end detects the states of the whole voltage and the like and feeds the states back to the MCU controller, the voltage detection end is connected with a tenth resistor and an eleventh resistor, the tenth resistor and the eleventh resistor are connected in series, and the tenth resistor is connected with a ground wire GND. According to the structure, the voltage stabilizing modules respectively output voltages of 5V and 15V, and the MCU controller outputs voltage of 15V. The voltage stabilizing module is divided into a first voltage stabilizing module and a second voltage stabilizing module, and output ends of the first voltage stabilizing module and the second voltage stabilizing module are connected. The voltage output by the first voltage stabilizing module is 15V, and the voltage output by the second voltage stabilizing module is 5V.
The MCU controller is provided with a speed setting port, a power setting port and a function expansion port respectively. The speed given port and the power given port respectively input set values to the MCU controller. And according to the actual demand, use the function expansion mouth, increase other functions. Wherein the speed is given, namely the rotating speed is given, namely the air volume is given, the automobile air conditioner panel controls and outputs a setting signal, the MCU receives the air volume given signal on the panel, and the output power of the power control module 5 is adjusted by combining the difference between the set temperature and the actual temperature at that time, thereby changing the power of the DC compressor 1.
This scheme refrigerating system includes evaporimeter 2, throttling arrangement 3, condensation 4 and corresponds respectively and be used for evaporimeter 2 and condenser 4 radiating fan, evaporimeter 2, throttling arrangement 3 and condenser 4 connect gradually, are connected through direct current compressor 1 between evaporimeter 2 and the condenser 4. The refrigeration cycle or the heating cycle is realized by the driving circuit and the MCU controller, and the working principle of the refrigeration cycle and the working principle of the heating cycle are known technologies and are not described in detail in the specification.
The detection module mainly detects overvoltage, undervoltage, overcurrent, power and temperature functions and feeds back the functions to the MCU controller, and the MCU controller controls the working state of the power control module 5. Specifically, when the output end of the power control module 5 has an overvoltage, undervoltage, overcurrent, or power state, the detection module feeds back a corresponding signal to the MCU controller, and when the MCU controller receives the signal value, and the signal value is greater than a preset value, the MCU controller controls the power control module 5 to implement a stop or adjustment state.
The temperature detection is implemented through a temperature sensor, the temperature sensor feeds back a temperature signal to the detection module, the detection module forwards the temperature signal to the MCU controller, and when the temperature value is greater than a set temperature value, the MCU controller stops the working state of the power control module 5, so that the use safety of the direct current compressor 1 is ensured.
The power output is further described for the DC compressor at 900W and 2300W.
When the output voltage of the battery pack is 24V to 48V, the voltage of the voltage detection end detecting the voltage of the V1 end is 24V to 48V, the MCU controller inputs a PWM control signal to the driving circuit, and the driving circuit controls the conduction width and frequency of the power control module 5 to ensure that the output power of the DC compressor is 900W; the output current of the power control module 5 is 18.75A-37.5A.
When the output voltage of the DC generator is 48V to 96V, the voltage of the voltage detection end detection V1 end is 48V to 96V, the MCU controller inputs PWM control signal to the drive circuit, the drive circuit controls the conduction width and frequency of the power control module 5 to ensure that the output power of the DC compressor is 2300W, at this time, the output current of the power control module 5 is 23.958A to 47.916A,
the output power of the direct current compressor is 900W or 2300W, and the MCU implements automatic power switching control by detecting voltage.
Claims (9)
1. A compressor motor system, characterized by:
the direct-current compressor (1) is connected with a refrigerating system;
a direct current generator supplying electrical energy to the direct current compressor (1) and the battery through a control system;
the driving circuit is connected with a power control module (5) and is respectively connected with the direct-current compressor (1) and the direct-current generator;
the MCU controller is electrically connected with the driving circuit and controls the working state of the driving circuit;
the battery pack is used for charging the battery pack through the charging and discharging control module when the direct current generator works, and when the direct current generator stops working, the battery pack supplies power to the direct current compressor through the direct current variable frequency control system.
2. The compressor motor system of claim 1, wherein: the MCU controller is also connected with a detection module, the detection module can detect the current at the input end of the direct current compressor, and a voltage signal is provided to the MCU controller.
3. The compressor motor system of claim 2, wherein: and the direct current compressor (1) is provided with a Hall sensor, and the Hall sensor is connected to the input end of the detection module.
4. The compressor motor system of claim 2, wherein: the direct current compressor (1) is further provided with a temperature sensor, and the temperature sensor is connected to the input end of the detection module.
5. The compressor motor system of claim 1, wherein: the input end of the power control module (5) is also connected with a voltage stabilizing module, the MCU controller is provided with a voltage detection end, and the voltage detection end is connected to the output end of the voltage stabilizing module.
6. The compressor motor system of claim 5, wherein: the voltage stabilizing module is divided into a first voltage stabilizing module and a second voltage stabilizing module, and the output ends of the first voltage stabilizing module and the second voltage stabilizing module are connected.
7. The compressor motor system of claim 1, wherein: the MCU controller is respectively provided with a speed given port, a power given port and a function expansion port.
8. The compressor motor system of claim 1, wherein: refrigerating system includes evaporimeter (2), throttling arrangement (3), condenser (4) and corresponds the radiating fan that is used for evaporimeter (2) and condenser (4) respectively, evaporimeter (2), throttling arrangement (3) and condenser (4) connect gradually, are connected through direct current compressor (1) between evaporimeter (2) and condenser (4).
9. The compressor motor system of claim 5, wherein: the voltage stabilizing module outputs 5V and 15V voltage respectively to provide stable working voltage for the MCU controller.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111059991.7A CN113629837A (en) | 2021-09-10 | 2021-09-10 | Compressor motor system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111059991.7A CN113629837A (en) | 2021-09-10 | 2021-09-10 | Compressor motor system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113629837A true CN113629837A (en) | 2021-11-09 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111059991.7A Withdrawn CN113629837A (en) | 2021-09-10 | 2021-09-10 | Compressor motor system |
Country Status (1)
| Country | Link |
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| CN (1) | CN113629837A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114011201A (en) * | 2021-12-17 | 2022-02-08 | 合肥康居人智能科技有限公司 | Oxygen generator capable of being remotely and intelligently controlled |
-
2021
- 2021-09-10 CN CN202111059991.7A patent/CN113629837A/en not_active Withdrawn
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114011201A (en) * | 2021-12-17 | 2022-02-08 | 合肥康居人智能科技有限公司 | Oxygen generator capable of being remotely and intelligently controlled |
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Application publication date: 20211109 |
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| WW01 | Invention patent application withdrawn after publication |