CN210663172U - Air-cooled heat pump air conditioner for full fresh air - Google Patents
Air-cooled heat pump air conditioner for full fresh air Download PDFInfo
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- CN210663172U CN210663172U CN201921198211.5U CN201921198211U CN210663172U CN 210663172 U CN210663172 U CN 210663172U CN 201921198211 U CN201921198211 U CN 201921198211U CN 210663172 U CN210663172 U CN 210663172U
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Abstract
The utility model discloses an air-cooled heat pump air conditioner for full fresh air, in particular to the field of air-cooled heat pump air conditioners, which comprises a shell, wherein a unit is arranged in the shell; the unit comprises a full-sealed scroll compressor, an exhaust pipe is fixedly arranged on the full-sealed scroll compressor, a four-way reversing valve is fixedly arranged at one end of the exhaust pipe, the full-sealed scroll compressor and the four-way reversing valve are fixedly connected through the exhaust pipe, a single high-voltage controller is fixedly arranged on the exhaust pipe, a fin type evaporator is arranged at the connecting end of the four-way reversing valve, the four-way reversing valve and the fin type evaporator are fixedly connected through a pipeline, and a double-speed centrifugal fan is arranged at the connecting end of the fin type evaporator. The utility model discloses a single high voltage controller's settlement high-order value, double speed centrifugal fan change the amount of wind according to the high-order value of settlement, have solved the full fresh air forced air cooling heat pump air conditioning unit that exists among the prior art because the low problem that leads to unit condensation pressure to hang down of new trend air inlet temperature in winter.
Description
Technical Field
The utility model relates to an air-cooled heat pump air conditioner field, more specifically says, the utility model relates to an air-cooled heat pump air conditioner for new trend.
Background
The general full fresh air-cooled heat pump air conditioning unit needs refrigeration in summer and heating in winter, processed fresh air is sent into a room through a centrifugal fan, the full fresh air-cooled heat pump air conditioning unit is required to be heated under the condition that the temperature of the fresh air is very low in winter, and the condensation pressure of the unit is too low due to the very low temperature of the fresh air and the air, so that the unit cannot normally work.
At present, most of all fresh air-cooled heat pump air conditioning units adopt electric heating to improve the air inlet temperature of fresh air during heating work in winter, the problem that the condensing pressure is too low is solved, the input power of the whole unit of the unit is increased by adopting the mode, the running cost of the unit is too high, and energy is not saved.
SUMMERY OF THE UTILITY MODEL
In order to overcome the above-mentioned defects of the prior art, the embodiment of the present invention provides an air-cooled heat pump air conditioner for full fresh air, when the four-way reversing valve is used for switching the refrigeration cycle state, the full-closed scroll compressor is operated, the two-speed centrifugal fan is operated according to the high speed air volume, when the four-way reversing valve is used for switching the heating cycle state, the full-closed scroll compressor is operated, because the temperature of the fresh air inlet is low, the condensation pressure in the refrigeration system is reduced, the two-speed centrifugal fan is operated according to the low speed air volume, so that the condensation pressure is increased, after the unit is operated for a period of time, the condensation pressure is gradually increased, when the temperature is higher than the high set value of the single high pressure controller, the single high pressure controller is operated, the two-speed centrifugal fan is switched from the low speed to the high speed air volume to operate, otherwise, the condensation pressure is gradually reduced, to solve the problems set forth in the background art described above.
In order to achieve the above object, the utility model provides a following technical scheme: an air-cooled heat pump air conditioner for fresh air comprises a shell, wherein a unit is arranged in the shell;
the unit comprises a full-sealed scroll compressor, an exhaust pipe is fixedly arranged on the full-sealed scroll compressor, a four-way reversing valve is fixedly arranged at one end of the exhaust pipe, the full-sealed scroll compressor and the four-way reversing valve are fixedly connected through the exhaust pipe, a single high-voltage controller is fixedly arranged on the exhaust pipe, a fin type evaporator is arranged at the connecting end of the four-way reversing valve, the four-way reversing valve and the fin type evaporator are fixedly connected through a pipeline, a double-speed centrifugal fan is arranged at the connecting end of the fin type evaporator, the fin type evaporator and the double-speed centrifugal fan are fixedly connected through a pipeline, and a pressure gauge is fixedly arranged on the exhaust pipe.
In a preferred embodiment, the connection end of the four-way reversing valve is provided with a vapor-liquid separator, the four-way reversing valve and the vapor-liquid separator are fixedly connected through a pipeline, and the vapor-liquid separator and the full-sealed scroll compressor are fixedly connected through a pipeline.
In a preferred embodiment, the vapour and liquid separator link is equipped with pressure controller and needle valve, vapour and liquid separator and needle valve pass through pipeline fixed connection, vapour and liquid separator and pressure controller pass through pipeline fixed connection, pressure controller and blast pipe pass through pipeline fixed connection.
In a preferred embodiment, an outdoor air-cooled condenser is arranged at the connecting end of the four-way reversing valve, the four-way reversing valve and the outdoor air-cooled condenser are fixedly connected through a pipeline, and an axial flow fan is arranged outside the outdoor air-cooled condenser.
In a preferred embodiment, the connection end of the outdoor air-cooled condenser is provided with a one-way valve, a liquid viewing mirror, a ring valve, a liquid reservoir, a heating expansion valve, a solenoid valve and a cooling expansion valve.
In a preferred embodiment, the outdoor air-cooled condenser and the one-way valve are fixedly connected through a pipeline, and the outdoor air-cooled condenser and the heating expansion valve are fixedly connected through a pipeline.
In a preferred embodiment, the heating expansion valve and the solenoid valve are fixedly connected through a pipeline, and the solenoid valve and the liquid sight glass are fixedly connected through a pipeline.
In a preferred embodiment, the liquid viewing mirror and the ring valve are fixedly connected through a pipeline, the ring valve and the liquid reservoir are fixedly connected through a pipeline, the solenoid valve and the refrigeration expansion valve are fixedly connected through a pipeline, and the heating expansion valve and the four-way reversing valve are fixedly connected through a pipeline.
The utility model discloses a technological effect and advantage:
when the four-way reversing valve is used for converting a refrigeration cycle state, the full-closed scroll compressor is operated, the double-speed centrifugal fan is operated according to high-speed air volume, when the four-way reversing valve is used for converting a heating cycle state, the full-closed scroll compressor is operated, because the inlet air temperature of fresh air is low, the condensation pressure in a refrigeration system is reduced, the double-speed centrifugal fan is operated according to low-speed air volume, the condensation pressure is increased, after the unit is operated for a period of time, the condensation pressure is gradually increased, when the temperature is higher than a high-level set value of a single high-pressure controller, the single high-pressure controller acts, the double-speed centrifugal fan is converted from low speed to high-speed air volume operation, otherwise, the condensation pressure is gradually reduced, and when the temperature is lower than a low-level set value of the single high-pressure controller, the single high-pressure controller.
Drawings
Fig. 1 is a schematic view of the overall structure of the present invention.
The reference signs are: the system comprises a finned evaporator 1, a one-way valve 2, a liquid viewing mirror 3, a ring valve 4, a liquid reservoir 5, a heating expansion valve 6, an axial flow fan 7, an outdoor air-cooled condenser 8, a four-way reversing valve 9, an exhaust pipe 10, a single high-pressure controller 11, a pressure gauge 12, a full-sealed scroll compressor 13, a needle valve 14, an electromagnetic valve 15, a pressure controller 16, a refrigeration expansion valve 17, a vapor-liquid separator 18 and a double-speed centrifugal fan 19.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
As shown in the attached figure 1, the utility model provides an air-cooled heat pump air conditioner for fresh air, which comprises a shell, wherein a unit is arranged in the shell;
the unit comprises a full-sealed scroll compressor 13, an exhaust pipe 10 is fixedly arranged on the full-sealed scroll compressor 13, a four-way reversing valve 9 is fixedly arranged at one end of the exhaust pipe 10, the full-sealed scroll compressor 13 and the four-way reversing valve 9 are fixedly connected through the exhaust pipe 10, a single high-pressure controller 11 is fixedly arranged on the exhaust pipe 10, a finned evaporator 1 is arranged at the connecting end of the four-way reversing valve 9, the four-way reversing valve 9 and the finned evaporator 1 are fixedly connected through a pipeline, a double-speed centrifugal fan 19 is arranged at the connecting end of the finned evaporator 1, the finned evaporator 1 and the double-speed centrifugal fan 19 are fixedly connected through a pipeline, and a pressure gauge 12 is fixedly arranged on the exhaust pipe 10.
The four-way reversing valve 9 is connected with the end provided with the vapor-liquid separator 18, the four-way reversing valve 9 is fixedly connected with the vapor-liquid separator 18 through a pipeline, and the vapor-liquid separator 18 is fixedly connected with the full-sealed scroll compressor 13 through a pipeline.
The connection end of the gas-liquid separator 18 is provided with a pressure controller 16 and a needle valve 14, the gas-liquid separator 18 and the needle valve 14 are fixedly connected through a pipeline, the gas-liquid separator 18 and the pressure controller 16 are fixedly connected through a pipeline, and the pressure controller 16 and the exhaust pipe 10 are fixedly connected through a pipeline.
The outdoor air-cooled condenser 8 is arranged at the connecting end of the four-way reversing valve 9, the four-way reversing valve 9 and the outdoor air-cooled condenser 8 are fixedly connected through a pipeline, and the axial flow fan 7 is arranged outside the outdoor air-cooled condenser 8.
The connecting end of the outdoor air-cooled condenser 8 is provided with a one-way valve 2, a liquid viewing mirror 3, a ring valve 4, a liquid receiver 5, a heating expansion valve 6, an electromagnetic valve 15 and a refrigerating expansion valve 17.
The outdoor air-cooled condenser 8 and the one-way valve 2 are fixedly connected through a pipeline, and the outdoor air-cooled condenser 8 and the heating expansion valve 6 are fixedly connected through a pipeline.
The heating expansion valve 6 is fixedly connected with the electromagnetic valve 15 through a pipeline, and the electromagnetic valve 15 is fixedly connected with the liquid viewing mirror 3 through a pipeline.
The liquid viewing mirror 3 and the ring valve 4 are fixedly connected through a pipeline, the ring valve 4 and the liquid reservoir 5 are fixedly connected through a pipeline, the electromagnetic valve 15 and the refrigeration expansion valve 17 are fixedly connected through a pipeline, and the heating expansion valve 6 and the four-way reversing valve 9 are fixedly connected through a pipeline.
The implementation mode is specifically as follows: after the indoor and outdoor fans are started, when a unit refrigeration mode is started, the four-way reversing valve 9 is switched to a refrigeration cycle state, the full-closed scroll compressor 13 is operated, the two-speed centrifugal fan 19 is operated according to high-speed air volume, the unit refrigeration cycle is performed, when a unit heating mode is started, the four-way reversing valve 9 is switched to a heating cycle state, the full-closed scroll compressor 13 is operated, because the inlet air temperature of fresh air is low, the condensation pressure in the refrigeration system is reduced, the two-speed centrifugal fan 19 is operated according to low-speed air volume, the condensation pressure is increased, after the unit is operated for a period of time, the condensation pressure is gradually increased, when the temperature is higher than a high-position set value of the single high-pressure controller 11, the single high-pressure controller 11 is operated, the two-speed centrifugal fan 19 is switched from low-speed to high-speed air volume operation, otherwise, the condensation pressure is gradually reduced, when the, fresh air is treated by the finned evaporator 1 and then is introduced into a room by the double-speed centrifugal fan 19, the reversing of the four-way reversing valve 11 is switched by a refrigerating button and a heating button on an operation panel of the electric cabinet, and signals are sent to the electric appliance control box.
The utility model discloses the theory of operation:
referring to the attached figure 1 of the specification, when a refrigeration cycle state is converted through a four-way reversing valve 9, a full-sealed scroll compressor 13 operates, a double-speed centrifugal fan 19 operates according to high-speed air volume, when a four-way reversing valve 9 is converted into a heating cycle state, the full-sealed scroll compressor 13 operates, because the temperature of fresh air inlet is low, the condensing pressure in a refrigeration system is reduced, the double-speed centrifugal fan 19 operates according to low-speed air volume, the condensing pressure is increased, after a unit operates for a period of time, the condensing pressure is gradually increased, when the temperature is higher than a high-position set value of a single high-pressure controller 11, the single high-pressure controller 11 acts, the centrifugal fan 19 operates from low speed to high-speed air volume, otherwise, the condensing pressure is gradually reduced, when the temperature is lower than a low-position set value of the single high-pressure controller 11, the.
The points to be finally explained are: first, in the description of the present application, it should be noted that, unless otherwise specified and limited, the terms "mounted," "connected," and "connected" should be understood broadly, and may be a mechanical connection or an electrical connection, or a communication between two elements, and may be a direct connection, and "upper," "lower," "left," and "right" are only used to indicate a relative positional relationship, and when the absolute position of the object to be described is changed, the relative positional relationship may be changed;
secondly, the method comprises the following steps: in the drawings of the disclosed embodiments of the present invention, only the structures related to the disclosed embodiments are referred to, and other structures can refer to the common design, and under the condition of no conflict, the same embodiment and different embodiments of the present invention can be combined with each other;
and finally: the above description is only for the preferred embodiment of the present invention and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (8)
1. The utility model provides an air-cooled heat pump air conditioner for new trend, includes the casing, its characterized in that: a unit is arranged in the shell;
the unit comprises a full-sealed scroll compressor (13), an exhaust pipe (10) is fixedly arranged on the full-sealed scroll compressor (13), a four-way reversing valve (9) is fixedly arranged at one end of the exhaust pipe (10), the full-sealed scroll compressor (13) and the four-way reversing valve (9) are fixedly connected through the exhaust pipe (10), a single high-pressure controller (11) is fixedly arranged on the exhaust pipe (10), a finned evaporator (1) is arranged at the connecting end of the four-way reversing valve (9), the four-way reversing valve (9) and the finned evaporator (1) are fixedly connected through a pipeline, a double-speed centrifugal fan (19) is arranged at the connecting end of the finned evaporator (1), the finned evaporator (1) and the double-speed centrifugal fan (19) are fixedly connected through a pipeline, and a pressure gauge (12) is fixedly arranged on the exhaust pipe (10).
2. The air-cooled heat pump air conditioner for fresh air according to claim 1, wherein: the four-way reversing valve (9) is connected with the end provided with the vapor-liquid separator (18), the four-way reversing valve (9) is fixedly connected with the vapor-liquid separator (18) through a pipeline, and the vapor-liquid separator (18) is fixedly connected with the full-sealed scroll compressor (13) through a pipeline.
3. The air-cooled heat pump air conditioner for fresh air according to claim 2, wherein: vapour and liquid separator (18) link is equipped with pressure controller (16) and needle valve (14), vapour and liquid separator (18) and needle valve (14) pass through pipeline fixed connection, vapour and liquid separator (18) and pressure controller (16) pass through pipeline fixed connection, pressure controller (16) and blast pipe (10) pass through pipeline fixed connection.
4. The air-cooled heat pump air conditioner for fresh air according to claim 1, wherein: the outdoor air-cooled condenser (8) is arranged at the connecting end of the four-way reversing valve (9), the four-way reversing valve (9) is fixedly connected with the outdoor air-cooled condenser (8) through a pipeline, and the axial flow fan (7) is arranged outside the outdoor air-cooled condenser (8).
5. The air-cooled heat pump air conditioner for fresh air according to claim 4, wherein: the outdoor air-cooled condenser (8) is connected with the end provided with a one-way valve (2), a liquid viewing mirror (3), a ring valve (4), a liquid receiver (5), a heating expansion valve (6), an electromagnetic valve (15) and a refrigerating expansion valve (17).
6. The air-cooled heat pump air conditioner for fresh air according to claim 5, wherein: the outdoor air-cooled condenser (8) is fixedly connected with the one-way valve (2) through a pipeline, and the outdoor air-cooled condenser (8) is fixedly connected with the heating expansion valve (6) through a pipeline.
7. The air-cooled heat pump air conditioner for fresh air according to claim 5, wherein: the heating expansion valve (6) is fixedly connected with the electromagnetic valve (15) through a pipeline, and the electromagnetic valve (15) is fixedly connected with the liquid sight glass (3) through a pipeline.
8. The air-cooled heat pump air conditioner for fresh air according to claim 5, wherein: look liquid mirror (3) and ring valve (4) and pass through pipeline fixed connection, ring valve (4) and cistern (5) pass through pipeline fixed connection, solenoid valve (15) and refrigeration expansion valve (17) pass through pipeline fixed connection, heating expansion valve (6) and four-way reversing valve (9) pass through pipeline fixed connection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921198211.5U CN210663172U (en) | 2019-07-29 | 2019-07-29 | Air-cooled heat pump air conditioner for full fresh air |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921198211.5U CN210663172U (en) | 2019-07-29 | 2019-07-29 | Air-cooled heat pump air conditioner for full fresh air |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210663172U true CN210663172U (en) | 2020-06-02 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921198211.5U Expired - Fee Related CN210663172U (en) | 2019-07-29 | 2019-07-29 | Air-cooled heat pump air conditioner for full fresh air |
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| CN (1) | CN210663172U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111998520A (en) * | 2020-09-03 | 2020-11-27 | 宁波奥克斯电气股份有限公司 | Air inlet regulator, air conditioner and control method of air inlet regulator |
-
2019
- 2019-07-29 CN CN201921198211.5U patent/CN210663172U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111998520A (en) * | 2020-09-03 | 2020-11-27 | 宁波奥克斯电气股份有限公司 | Air inlet regulator, air conditioner and control method of air inlet regulator |
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| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200602 Termination date: 20210729 |
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| CF01 | Termination of patent right due to non-payment of annual fee |