CN217206795U - Energy-saving variable frequency compressor - Google Patents
Energy-saving variable frequency compressor Download PDFInfo
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- CN217206795U CN217206795U CN202220193832.XU CN202220193832U CN217206795U CN 217206795 U CN217206795 U CN 217206795U CN 202220193832 U CN202220193832 U CN 202220193832U CN 217206795 U CN217206795 U CN 217206795U
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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 an energy-saving frequency conversion compressor, which comprises a motor and a compressor main machine, the gas-liquid separator, the cooler, the motor is connected with the compressor host, the compressor host is connected with the gas-liquid separator through an oil-gas mixing pipeline, a cooling liquid outlet of the gas-liquid separator is connected with the cooler, a main liquid spraying hole and a bypass liquid spraying hole are formed in a shell of the compressor host, a cold liquid outlet of the cooler is communicated with the main liquid spraying hole through a liquid spraying pipeline, the bypass liquid spraying hole is communicated with the liquid spraying pipeline through a bypass pipe, a control valve is arranged on the bypass pipe, a temperature sensor is arranged on an exhaust passage of the compressor host, the temperature sensor is electrically connected with the compressor controller, the temperature sensor is used for detecting the exhaust temperature of the compressor host, and the compressor controller controls the opening and closing of the control valve according to the temperature value detected by the temperature sensor so as to control the opening and closing of the bypass liquid spraying hole. The utility model discloses can make the compressor work reduce, the energy consumption descends, reaches energy-conserving purpose.
Description
Technical Field
The utility model relates to a compressor technical field specifically is an energy-conserving inverter compressor.
Background
The existing frequency conversion compressor adopts the same scheme as that of a power frequency compressor, a fixed spray hole is adopted for spraying liquid, when the frequency of the frequency conversion compressor is reduced and the rotating speed is slowed down, the corresponding work is reduced, if the spray hole has a fixed diameter, the oil quantity is the same or equivalent under the same oil pressure, so when the frequency conversion frequency is reduced, the oil quantity of the compressor sprayed by the spray hole with the fixed diameter is too much, the energy consumption is caused, and the energy-saving effect cannot be achieved.
SUMMERY OF THE UTILITY MODEL
The utility model aims at overcoming above-mentioned prior art's shortcoming, increase bypass hydrojet hole on the compressor host computer, the utility model provides a through the control valve control bypass hydrojet hole on-off control increase or reduce compressor host computer liquid spray volume, when motor reducing frequency makes exhaust temperature low, close bypass hydrojet hole and reduce the liquid spray volume and promote compressor host computer exhaust temperature, make the compressor work reduce, the energy consumption descends, open bypass hydrojet hole hydrojet when exhaust temperature is high, can promote compression host computer exhaust temperature, make it match with prior art, the total energy-conserving inverter compressor who reaches energy-conserving purpose.
The utility model discloses a realize through following technical scheme: an energy-saving variable frequency compressor comprises a motor, a compressor host, a gas-liquid separator and a cooler, wherein the motor is connected with the compressor host, the compressor host is connected with the gas-liquid separator through an oil-gas mixing pipeline, a cooling liquid outlet of the gas-liquid separator is connected with the cooler, a main liquid spraying hole and a bypass liquid spraying hole are formed in a shell of the compressor host, a cold liquid outlet of the cooler is communicated with the main liquid spraying hole through a liquid spraying pipeline, the bypass liquid spraying hole is communicated with the liquid spraying pipeline through a bypass pipe, a control valve is arranged on the bypass pipe, a temperature sensor is arranged on an exhaust passage of the compressor host, the temperature sensor is electrically connected with a compressor controller, the temperature sensor is used for detecting the exhaust temperature of the compressor host, and the compressor controller controls the opening and closing of the control valve according to the temperature value detected by the temperature sensor, so as to control the opening and closing of the bypass liquid spraying hole.
Further, the method comprises the following steps: the bypass liquid spraying hole is provided with one bypass liquid spraying hole, when the compressor controller detects that the temperature value measured by the temperature sensor is lower than a low set value, the compressor controller controls the control valve to be closed to control the bypass liquid spraying hole to be closed, and when the compressor controller detects that the temperature value measured by the temperature sensor is higher than a high set value, the compressor controller controls the control valve to be opened to control the bypass liquid spraying hole to open liquid spraying.
Further: the bypass liquid spraying holes are divided into a first bypass liquid spraying hole and a second bypass liquid spraying hole, the first bypass liquid spraying hole is communicated with the liquid spraying pipeline through a first bypass pipe, the second bypass liquid spraying hole is communicated with the liquid spraying pipeline through a second bypass pipe, a first control valve is arranged on the first bypass pipe, a second control valve is arranged on the second bypass pipe, when the compressor controller detects that the temperature value measured by the temperature sensor is lower than a first low set value, the compressor controller controls the first control valve to close to control the first bypass liquid spraying hole to close, when the compressor controller detects that the temperature value measured by the temperature sensor is higher than a first high set value, the compressor controller controls the first control valve to open to control the first bypass liquid spraying hole to open, and when the compressor controller detects that the temperature value measured by the temperature sensor is lower than a second low set value, the compressor controller controls the second control valve to close so as to control the second bypass liquid spraying hole to close, and when the compressor controller detects that the temperature value measured by the temperature sensor is higher than a second high set value, the compressor controller controls the second control valve to open so as to control the second bypass liquid spraying hole to open liquid spraying.
Further: and each additional bypass pipe is communicated with the liquid spraying pipeline and the newly added bypass liquid spraying holes, each newly added bypass pipe is respectively provided with one control valve, and the compressor controller performs hierarchical control on the opening and closing number of the control valves according to the temperature value measured by the temperature sensor so as to control the opening and closing number of the bypass liquid spraying holes.
Further: the variable frequency compressor is a single-stage variable frequency compressor or a double-stage variable frequency compressor or a multi-stage variable frequency compressor.
Further: when the variable frequency compressor is a two-stage variable frequency compressor or a multi-stage variable frequency compressor, the temperature sensors are respectively arranged on exhaust passages of the main engines of all stages of the variable frequency compressor, and the bypass liquid spraying holes in the shell of the main engines of all stages of the variable frequency compressor are connected with the liquid spraying pipeline through the control valve.
Further: the control valve is an electromagnetic valve or an electric valve.
Further: the cooler is a water-cooled cooler or an air-cooled cooler.
The utility model has the advantages that:
compared with the prior art, the bypass liquid spraying hole is communicated with the liquid spraying pipeline through the bypass pipe, the control valve is arranged on the bypass pipe, the temperature sensor is arranged on the exhaust passage of the main engine of the compressor and is electrically connected with the compressor controller, the temperature sensor is used for detecting the exhaust temperature of the main engine of the compressor, the compressor controller controls the opening and closing of the control valve according to the temperature value detected by the temperature sensor so as to control the opening and closing of the bypass liquid spraying hole, when the temperature value of the compressor main machine received by the compressor controller is lower than a low set value, the compressor controller controls the control valve to close so as to enable the bypass liquid spraying hole to stop spraying liquid to the compression cavity of the compressor main machine, even the liquid injection amount of the compressor main unit is reduced, so that the exhaust temperature of the compressor main unit is improved, the liquid injection amount is reduced, the work of the compressor can be reduced, namely, the energy consumption of the compressor is reduced, and the energy-saving effect is achieved. If the exhaust temperature is low under the working conditions of starting of the compressor, low variable frequency speed, low pressure and the like, the bypass liquid spraying holes can be controlled to be closed through the control valve to reduce the liquid spraying amount, the power consumption of oil carrying amount is reduced, and the effect of total power reduction is achieved. And when the temperature value of the compressor host received by the compressor controller is higher than the high set value, the compressor controller controls the control valve to be opened, and the bypass spray hole is restarted to spray liquid.
Drawings
Fig. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic view of a bypass jet;
FIG. 3 is a schematic view of two bypass jet holes;
FIG. 4 is a first schematic structural diagram of the inverter compressor being a two-stage inverter compressor;
fig. 5 is a schematic structural diagram two when the inverter compressor is a two-stage inverter compressor.
Description of reference numerals: 1-motor, 2-compressor host, 21-oil-gas mixing pipeline, 3-gas-liquid separator, 4-cooler, 41-liquid spray pipeline, 5-main liquid spray hole, 6-bypass liquid spray hole, 61-first bypass liquid spray hole, 62-second bypass liquid spray hole, 7-bypass pipe, 71-first bypass pipe, 72-second bypass pipe, 8-control valve, 81-first control valve, 82-second control valve, 9-temperature sensor, 101-first-stage compressor host, 102-first-stage temperature sensor, 103-first-stage bypass pipe, 104-first-stage control valve, 201-second-stage compressor host, 202-second-stage temperature sensor, 203-second-stage bypass pipe, 204-second-stage control valve.
Detailed Description
Fig. 1 to fig. 3 are schematic structural diagrams of an embodiment of an energy-saving inverter compressor provided by the present invention, which includes a motor 1, a compressor main unit 2, a gas-liquid separator 3, a cooler 4, the motor 1 is connected with the compressor main unit 2, the compressor main unit 2 is connected with the gas-liquid separator 3 through a gas-liquid mixing pipeline 21, a coolant outlet of the gas-liquid separator 3 is connected with the cooler 4, a main spray hole 5 and a bypass spray hole 6 are provided on a housing of the compressor main unit 2, a coolant outlet of the cooler 4 is communicated with the main spray hole 5 through a spray pipeline 41, the bypass spray hole 6 is communicated with the spray pipeline 41 through a bypass pipe 7, a control valve 8 is provided on the bypass pipe 7, a temperature sensor 9 is provided on an exhaust passage of the compressor main unit 2, the temperature sensor 9 is electrically connected with a compressor controller, the temperature sensor 9 is used for detecting an exhaust temperature of the compressor main unit 2, the compressor controller controls the opening and closing of the control valve 8 according to the temperature value detected by the temperature sensor 9 so as to control the opening and closing of the bypass liquid spraying hole 6.
In this embodiment, the cooler 4 may be a water-cooled cooler or an air-cooled cooler (not shown). Fig. 1 shows a water-cooled chiller.
The temperature sensor 9 detects the exhaust temperature of the compressor main unit 2, and sends the detected temperature value to the compressor controller, when the temperature value received by the compressor controller (not shown) is lower than a low set value, the compressor controller controls the control valve 8 to close, so that the bypass liquid spraying hole 6 stops spraying liquid to the compression cavity of the compressor main unit 2, even if the liquid spraying amount of the compressor main unit 2 is reduced, thereby the exhaust temperature of the compressor main unit 2 is increased, in addition, the reduction of the liquid spraying amount can reduce the work of the compressor, namely, the energy consumption of the compressor is reduced, and the energy-saving effect is achieved. If make exhaust temperature low under the operating mode such as when compressor start-up, variable frequency speed are low, pressure are lower, can reduce the liquid jet volume through 8 control bypass liquid jet holes 6 of control valve close, reduce the consumption of transport oil mass, reach total work decline effect. When the temperature value of the compressor main machine 2 received by the compressor controller is higher than the high set value, the compressor controller controls the control valve 8 to be opened, and the bypass spray hole 6 is restarted to spray liquid.
Referring to fig. 2, in the present embodiment, one bypass liquid ejection hole 6 is provided, when the compressor controller detects that the temperature value measured by the temperature sensor 9 is lower than a low set value, the compressor controller controls the control valve 8 to close to control the bypass liquid ejection hole 6 to close, and when the compressor controller detects that the temperature value measured by the temperature sensor 9 is higher than a high set value, the compressor controller controls the control valve 8 to open to control the bypass liquid ejection hole 6 to open the liquid ejection.
Referring to fig. 3, in the present embodiment, two bypass liquid-ejecting holes 6 are provided, and are divided into a first bypass liquid-ejecting hole 61 and a second bypass liquid-ejecting hole 62, the first bypass liquid-ejecting hole 61 is communicated with the liquid-ejecting pipe 41 through a first bypass pipe 71, the second bypass liquid-ejecting hole 62 is communicated with the liquid-ejecting pipe 41 through a second bypass pipe 72, a first control valve 81 is provided on the first bypass pipe 71, a second control valve 82 is provided on the second bypass pipe 72, when the compressor controller detects that the temperature value measured by the temperature sensor 9 is lower than a first low set value, the compressor controller controls the first control valve 81 to close to control the first bypass liquid-ejecting hole 61 to close, when the compressor controller detects that the temperature value measured by the temperature sensor 9 is higher than a first high set value, the compressor controller controls the first control valve 81 to open to control the first bypass liquid-ejecting hole 61 to eject liquid, when the compressor controller detects that the temperature value measured by the temperature sensor 9 is lower than a second low set value, the compressor controller controls the second control valve 82 to close to control the second bypass liquid spraying hole 62 to close, and when the compressor controller detects that the temperature value measured by the temperature sensor 9 is higher than a second high set value, the compressor controller controls the second control valve 82 to open to control the second bypass liquid spraying hole 62 to open liquid spraying.
In this embodiment, the first low setting may be 70 ℃, the first high setting may be 75 ℃, the second low setting may be 60 ℃, the second high setting may be 65 ℃, and the first low setting, the second low setting, the first high setting, and the second high setting may be adjusted according to actual requirements.
In this embodiment, the bypass liquid injection hole 6 and the main liquid injection hole 5 are internal holes, but the relative position between the main liquid injection hole 5 and the bypass liquid injection hole 6 is not limited, and it is better to find the optimal liquid injection level setting, and the bypass liquid injection hole 6 can also be located at the same position as the main liquid injection hole 5, that is, the bypass liquid injection hole can be an external bypass liquid injection pipe, the main liquid injection hole can be an external main liquid injection pipe, and the bypass liquid injection pipe and the main liquid injection pipe are located in the same hole.
The utility model discloses an application is not restricted to the condition of one or two bypass jet orifices 6. When one bypass liquid spraying hole 6 is added, one bypass pipe 7 is added to be communicated with the liquid spraying pipeline 41 and the newly added bypass liquid spraying holes 6, each newly added bypass pipe 7 is respectively provided with a control valve 8, and the compressor controller performs hierarchical control on the opening and closing number of the control valves 8 according to the temperature value measured by the temperature sensor 9 so as to control the opening and closing number of the bypass liquid spraying holes 6.
The variable frequency compressor is a single-stage variable frequency compressor or a double-stage variable frequency compressor or a multi-stage variable frequency compressor.
When the variable frequency compressor is a two-stage variable frequency compressor or a multi-stage variable frequency compressor, the exhaust passages of the compressor main units 2 of all stages of the variable frequency compressor are respectively provided with a temperature sensor 9, and the bypass liquid spraying holes 6 on the shell of the compressor main units 2 of all stages are connected with the liquid spraying pipeline 41 through the control valve 8.
The control valve 8 is an electromagnetic valve or an electric valve.
Referring to fig. 4 to 5, when the inverter compressor is a two-stage inverter compressor, the compressor main units of the two-stage inverter compressor are a first-stage compressor main unit 101 and a second-stage compressor main unit 201, respectively, a first-stage temperature sensor 102 is disposed on an exhaust passage of the first-stage compressor main unit 101, a bypass liquid injection hole 6 on a casing of the first-stage compressor main unit 101 is connected to a liquid injection pipeline 41 through a first-stage bypass pipe 103, a first-stage control valve 104 is disposed on the first-stage bypass pipe 103, the first-stage temperature sensor 102 is used for detecting an exhaust temperature of the first-stage compressor main unit 101 to control opening and closing of the first-stage control valve 104, to open and close the bypass liquid injection hole 6 on the casing of the first-stage compressor main unit 101, a second-stage temperature sensor 202 is disposed on the exhaust passage of the second-stage compressor main unit 201, and the bypass liquid injection hole 6 on the casing of the second-stage compressor main unit 201 is connected to the liquid injection pipeline 41 through a second-stage bypass pipe 203, the second-stage bypass pipe 203 is provided with a second-stage control valve 204, and the second-stage temperature sensor 202 is used for detecting the exhaust temperature of the second-stage compressor main unit 201 to control the opening and closing of the second-stage control valve 204 and open and close the bypass liquid spraying hole 6 on the shell of the second-stage compressor main unit 201.
When the variable frequency compressor is a multi-stage variable frequency compressor, the rest can be done in the same way.
The above detailed description is specific to possible embodiments of the present invention, and the embodiments are not intended to limit the scope of the present invention, and all equivalent implementations or modifications that do not depart from the scope of the present invention should be included within the scope of the present invention.
Claims (8)
1. The utility model provides an energy-conserving inverter compressor, includes motor, compressor host computer, vapour and liquid separator, cooler, the motor with the compressor host computer is connected, the compressor host computer pass through the oil-gas mixture pipeline with vapour and liquid separator connects, vapour and liquid separator's coolant liquid export with the cooler is connected, its characterized in that: the compressor is characterized in that a main liquid injection hole and a bypass liquid injection hole are formed in a shell of the compressor main body, a cold liquid outlet of the cooler is communicated with the main liquid injection hole through a liquid injection pipeline, the bypass liquid injection hole is communicated with the liquid injection pipeline through a bypass pipe, a control valve is arranged on the bypass pipe, a temperature sensor is arranged on an exhaust passage of the compressor main body, the temperature sensor is electrically connected with the compressor controller, the temperature sensor is used for detecting the exhaust temperature of the compressor main body, and the compressor controller controls the opening and closing of the control valve according to the temperature value detected by the temperature sensor so as to control the opening and closing of the bypass liquid injection hole.
2. The inverter compressor of claim 1, wherein: the bypass liquid spraying hole is provided with one bypass liquid spraying hole, when the compressor controller detects that the temperature value measured by the temperature sensor is lower than a low set value, the compressor controller controls the control valve to be closed to control the bypass liquid spraying hole to be closed, and when the compressor controller detects that the temperature value measured by the temperature sensor is higher than a high set value, the compressor controller controls the control valve to be opened to control the bypass liquid spraying hole to open liquid spraying.
3. The inverter compressor of claim 1, wherein: the bypass liquid spraying holes are divided into a first bypass liquid spraying hole and a second bypass liquid spraying hole, the first bypass liquid spraying hole is communicated with the liquid spraying pipeline through a first bypass pipe, the second bypass liquid spraying hole is communicated with the liquid spraying pipeline through a second bypass pipe, a first control valve is arranged on the first bypass pipe, a second control valve is arranged on the second bypass pipe, when the compressor controller detects that the temperature value measured by the temperature sensor is lower than a first low set value, the compressor controller controls the first control valve to close to control the first bypass liquid spraying hole to close, when the compressor controller detects that the temperature value measured by the temperature sensor is higher than a first high set value, the compressor controller controls the first control valve to open to control the first bypass liquid spraying hole to open, and when the compressor controller detects that the temperature value measured by the temperature sensor is lower than a second low set value, the compressor controller controls the second control valve to close so as to control the second bypass liquid spraying hole to close, and when the compressor controller detects that the temperature value measured by the temperature sensor is higher than a second high set value, the compressor controller controls the second control valve to open so as to control the second bypass liquid spraying hole to open liquid spraying.
4. The inverter compressor of claim 2, wherein: and each additional bypass pipe is communicated with the liquid spraying pipeline and the newly added bypass liquid spraying holes, each newly added bypass pipe is respectively provided with one control valve, and the compressor controller performs hierarchical control on the opening and closing number of the control valves according to the temperature value measured by the temperature sensor so as to control the opening and closing number of the bypass liquid spraying holes.
5. The inverter compressor of claim 1, wherein: the variable frequency compressor is a single-stage variable frequency compressor or a double-stage variable frequency compressor or a multi-stage variable frequency compressor.
6. An energy saving inverter compressor according to claim 5, characterized in that: when the variable frequency compressor is a two-stage variable frequency compressor or a multi-stage variable frequency compressor, the temperature sensors are respectively arranged on exhaust passages of the main engines of all stages of the variable frequency compressor, and the bypass liquid spraying holes in the shell of the main engines of all stages of the variable frequency compressor are connected with the liquid spraying pipeline through the control valve.
7. The inverter compressor of claim 6, wherein: the control valve is an electromagnetic valve or an electric valve.
8. The inverter compressor of claim 7, wherein: the cooler is a water-cooled cooler or an air-cooled cooler.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220193832.XU CN217206795U (en) | 2022-01-24 | 2022-01-24 | Energy-saving variable frequency compressor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220193832.XU CN217206795U (en) | 2022-01-24 | 2022-01-24 | Energy-saving variable frequency compressor |
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| Publication Number | Publication Date |
|---|---|
| CN217206795U true CN217206795U (en) | 2022-08-16 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220193832.XU Active CN217206795U (en) | 2022-01-24 | 2022-01-24 | Energy-saving variable frequency compressor |
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|---|---|
| CN (1) | CN217206795U (en) |
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2022
- 2022-01-24 CN CN202220193832.XU patent/CN217206795U/en active Active
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