CN217154613U - Compressor temperature control device - Google Patents
Compressor temperature control device Download PDFInfo
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- CN217154613U CN217154613U CN202220708678.5U CN202220708678U CN217154613U CN 217154613 U CN217154613 U CN 217154613U CN 202220708678 U CN202220708678 U CN 202220708678U CN 217154613 U CN217154613 U CN 217154613U
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- compressor
- temperature
- controller
- liquid spraying
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- Y—GENERAL 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
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B30/00—Energy efficient heating, ventilation or air conditioning [HVAC]
- Y02B30/70—Efficient control or regulation technologies, e.g. for control of refrigerant flow, motor or heating
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Abstract
The utility model discloses a compressor temperature control device, it includes compressor, adjusting control valve, controller, hydrojet pipeline and temperature sensor, the compressor has the motor hydrojet mouth, adjusting control valve's both ends connect respectively in the hydrojet pipeline with the motor hydrojet mouth and with the hydrojet pipeline with communicate in the compressor, temperature sensor set up in the compressor and be used for the measurement the temperature of breathing in the compressor, the input electricity of controller is connected in temperature sensor, the output electricity of controller is connected in adjusting control valve, the controller is used for receiving temperature value signal that temperature sensor sent is used for right adjusting control valve's aperture control. Therefore, the state of the refrigerant before compression is accurately controlled, the driving motor is kept cooled, and the influence of air suction and liquid carrying on unit refrigerating capacity caused by excessive liquid spraying is effectively avoided.
Description
Technical Field
The utility model relates to a compressor temperature control device.
Background
The compressor cooling mode is usually to adopt the exhaust temperature to control the liquid spray, and the control mode is simple, but because the exhaust temperature is behind the compression section, because of going through the compression process, so the exhaust temperature is influenced by a plurality of factors such as pressure ratio operating mode, and the exhaust temperature change does not have uniqueness with the control of inspiration temperature, so the influence of liquid spray excessive inspiration liquid waiting often appears, and this phenomenon is especially obvious along with the evaporation temperature reduction in the application.
SUMMERY OF THE UTILITY MODEL
The utility model aims at overcoming the above-mentioned not enough of current existence, the utility model provides a compressor temperature control device.
The utility model discloses a realize through following technical scheme:
a temperature control device of a compressor comprises the compressor, an adjusting control valve, a controller, a liquid spraying pipeline and a temperature sensor, wherein the compressor is provided with a motor liquid spraying opening, two ends of the adjusting control valve are respectively connected to the liquid spraying pipeline and the motor liquid spraying opening and are communicated with the liquid spraying pipeline and the compressor, the temperature sensor is arranged in the compressor and used for measuring air suction temperature in the compressor, the input end of the controller is electrically connected to the temperature sensor, the output end of the controller is electrically connected to the adjusting control valve, and the controller is used for receiving a temperature value signal sent by the temperature sensor and controlling the opening degree of the adjusting control valve.
Furthermore, the compressor comprises a machine shell, an air inlet chamber, a compression chamber and an exhaust chamber which are used for installing and setting a driving motor are sequentially arranged in the machine shell, a motor liquid spraying port is arranged on the machine shell and communicated with the air inlet chamber, and the temperature sensor is arranged at one end, close to the air inlet chamber, in the compression chamber.
Furthermore, the two ends of the shell are respectively provided with an air inlet communicated with the air inlet chamber and an air outlet communicated with the air exhaust chamber, the compressor temperature control device further comprises a condenser, an inlet of the condenser is connected with the air outlet and communicated with the air exhaust chamber, and an outlet of the condenser is connected with the liquid spraying pipeline and communicated with the liquid spraying pipeline.
Furthermore, the compressor temperature control device also comprises an evaporator, one end of the evaporator is connected to the outlet of the condenser and communicated with the condenser, and the other end of the evaporator is connected to the air inlet and communicated with the air inlet chamber.
Further, the compressor also comprises a junction box, the junction box is arranged on the outer surface of the shell, and the controller is installed in the junction box.
Further, the adjusting control valve is an electronic expansion valve.
Further, the liquid spraying pipeline is provided with a valve.
The beneficial effects of the utility model reside in that: the temperature sensor detects the temperature of refrigerant gas in the compressor before compression, and the controller accurately controls and adjusts the opening of the control valve according to the detected temperature, so that the refrigerant state before compression is accurately controlled, the cooling of the driving motor is kept, and the influence of liquid suction and liquid on the refrigerating capacity of the unit caused by excessive liquid spraying is effectively avoided. Meanwhile, full-automatic control is realized through the controller, a terminal system is simplified, and the complexity of the system is reduced.
Drawings
Fig. 1 is a schematic structural diagram of a compressor temperature control device according to an embodiment of the present invention.
Description of reference numerals:
compressor 1
Motor liquid jet 11
Exhaust port 125
Regulating control valve 2
Liquid spray pipeline 4
Valve 41
Condenser 5
Evaporator 6
Detailed Description
The following description of the embodiments refers to the accompanying drawings, which are included to illustrate specific embodiments in which the invention may be practiced.
As shown in fig. 1, the present embodiment discloses a temperature control device for a compressor, which includes a compressor 1, an adjusting control valve 2, a controller 3, a liquid spraying pipe 4 and a temperature sensor, wherein the compressor 1 has a motor liquid spraying port 11, two ends of the adjusting control valve 2 are respectively connected to the liquid spraying pipe 4 and the motor liquid spraying port 11 and are communicated with the liquid spraying pipe 4 and the compressor 1, the temperature sensor is disposed in the compressor 1 and is used for measuring a suction temperature in the compressor 1, an input end of the controller 3 is electrically connected to the temperature sensor, an output end of the controller 3 is electrically connected to the adjusting control valve 2, and the controller 3 is used for receiving a temperature value signal sent by the temperature sensor and controlling an opening degree of the adjusting control valve 2.
The adjusting control valve 2 is installed on the outer side of the compressor 1 and is hermetically connected to the motor liquid spraying port 11, liquid for cooling can pass through the liquid spraying pipeline 4 and passes through the adjusting control valve 2, then the liquid enters the compressor 1 through the motor liquid spraying port 11, and the liquid entering the compressor 1 is in contact with refrigerant gas, so that the temperature of the refrigerant gas before compression can be reduced.
The temperature sensor is arranged in the compressor 1 and used for measuring the air suction temperature in the compressor 1, the temperature of refrigerant gas in the compressor 1 before compression is detected through the temperature sensor, the temperature sensor sends the detected real-time temperature to the controller 3 through a temperature value signal, the controller 3 receives the temperature value signal, and the opening size of the control valve 2 is accurately controlled and adjusted according to the detected temperature. When the temperature detected by the temperature sensor is lower than a set value, the controller 3 controls and adjusts the opening of the control valve 2 to be smaller, reduces the liquid spraying flow and prevents liquid from being carried; when the temperature detected by the temperature sensor is higher than the set value, the controller 3 controls the opening of the regulating control valve 2 to increase the liquid spraying flow, reduces the heat damage of the front driving motor and maintains the target air suction temperature. Therefore, the state of the refrigerant before compression is accurately controlled, the driving motor is kept cooled, and the influence of air suction and liquid carrying on unit refrigerating capacity caused by excessive liquid spraying is effectively avoided. Meanwhile, the suction overheat temperature entering the compressor 1 is stabilized at a set value through the PID control logic in the controller 3, the compressor temperature control device is realized without specially editing the control logic, the controller 3 is used for realizing full-automatic control, a terminal system is simplified, and the system complexity is reduced.
The compressor 1 comprises a machine shell 12, an air inlet chamber 121, a compression chamber 122 and an exhaust chamber 123 which are used for installing and setting a driving motor are sequentially arranged in the machine shell 12, a motor liquid spraying port 11 is arranged on the machine shell 12 and communicated with the air inlet chamber 121, and a temperature sensor is arranged at one end, close to the air inlet chamber 121, in the compression chamber 122. The gas entering the compressor 1 passes through the driving motor in the air inlet chamber 121, so that the heat on the driving motor can be taken away, the cooling effect is achieved, and the stability of the compressor 1 is greatly improved. Meanwhile, the temperature sensor is arranged at one end of the compression chamber 122 close to the air inlet chamber 121, so that the temperature of the gas before compression is accurately measured, and the measurement accuracy is ensured.
The two ends of the casing 12 are respectively provided with an air inlet 124 communicated with the air inlet chamber 121 and an air outlet 125 communicated with the air outlet chamber 123, the compressor temperature control device further comprises a condenser 5, an inlet of the condenser 5 is connected to the air outlet 125 and communicated with the air outlet chamber 123, and an outlet of the condenser 5 is connected to the liquid spraying pipeline 4 and communicated with the liquid spraying pipeline 4. Gas enters the gas inlet chamber 121 through the gas inlet 124, then sequentially passes through the compression chamber 122, the gas outlet chamber 123 and the gas outlet 125 and is discharged into the condenser 5, the heat exchange and cooling can be realized through the condenser 5, the liquefied liquid flows into the liquid spraying pipeline 4, the liquefied liquid flows into the gas inlet chamber 121 through the regulating control valve 2, the heat damage of the driving motor at the front end is reduced, and the target gas suction temperature is maintained; and circulating cooling is realized. At the same time, the opening of the control valve 2 is controlled by a temperature sensor and a controller 3, and the suction temperature and the liquid injection amount of the compressor 1 are controlled.
The compressor temperature control device further includes an evaporator 6, one end of the evaporator 6 is connected to an outlet of the condenser 5 and is communicated with the condenser 5, and the other end of the evaporator 6 is connected to the air inlet 124 and is communicated with the air inlet chamber 121. The liquid in the condenser 5 enters the evaporator 6, and is vaporized by the heating of the evaporator 6, and the vaporized gas enters the gas inlet chamber 121 through the gas inlet 124, and then enters the compressor 1 for compression.
Compressor 1 also includes terminal box 13, and terminal box 13 sets up in the surface of casing 12, and controller 3 installs in terminal box 13. The controller 3 is arranged in the junction box 13, so that the controller 3 is protected, and the stability of the temperature control device of the compressor is greatly improved; meanwhile, the installation and the arrangement are very convenient.
In this embodiment, the liquid ejecting line 4 has a valve 41. The valve 41 facilitates the control of the opening and closing of the liquid ejection line 4. The valve 41 is an electronic valve. The regulating control valve 2 is an electronic expansion valve.
The above disclosure is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the scope of the invention, which is defined by the appended claims.
Claims (7)
1. The temperature control device of the compressor is characterized by comprising the compressor, an adjusting control valve, a controller, a liquid spraying pipeline and a temperature sensor, wherein the compressor is provided with a motor liquid spraying port, two ends of the adjusting control valve are respectively connected to the liquid spraying pipeline and the motor liquid spraying port and are communicated with the liquid spraying pipeline and the compressor, the temperature sensor is arranged in the compressor and used for measuring the air suction temperature in the compressor, the input end of the controller is electrically connected to the temperature sensor, the output end of the controller is electrically connected to the adjusting control valve, and the controller is used for receiving a temperature value signal sent by the temperature sensor and controlling the opening degree of the adjusting control valve.
2. The temperature control device of a compressor as claimed in claim 1, wherein the compressor includes a casing, the casing is provided with an air inlet chamber, a compression chamber and an air outlet chamber for installing and setting a driving motor, the motor liquid spraying port is arranged on the casing and communicated with the air inlet chamber, and the temperature sensor is arranged at one end of the compression chamber close to the air inlet chamber.
3. The temperature control apparatus of claim 2, wherein an air inlet communicated with the air inlet chamber and an air outlet communicated with the air outlet chamber are respectively formed at both ends of the casing, the temperature control apparatus further comprises a condenser, an inlet of the condenser is connected to the air outlet and communicated with the air outlet chamber, and an outlet of the condenser is connected to the liquid spraying pipeline and communicated with the liquid spraying pipeline.
4. The compressor temperature control apparatus as claimed in claim 3, further comprising an evaporator having one end connected to an outlet of the condenser and communicated with the condenser, and the other end connected to the air inlet and communicated with the air inlet chamber.
5. The compressor temperature control apparatus of claim 2, further comprising a junction box provided at an outer surface of the casing, wherein the controller is installed in the junction box.
6. The compressor temperature control apparatus of claim 1, wherein the regulation control valve is an electronic expansion valve.
7. The compressor temperature control apparatus of claim 1, wherein the liquid spray line has a valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220708678.5U CN217154613U (en) | 2022-03-25 | 2022-03-25 | Compressor temperature control device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220708678.5U CN217154613U (en) | 2022-03-25 | 2022-03-25 | Compressor temperature control device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217154613U true CN217154613U (en) | 2022-08-09 |
Family
ID=82697051
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220708678.5U Active CN217154613U (en) | 2022-03-25 | 2022-03-25 | Compressor temperature control device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217154613U (en) |
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2022
- 2022-03-25 CN CN202220708678.5U patent/CN217154613U/en active Active
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