CN213178886U - Air conditioning system for switching outdoor unit and ground source water to supply heat by electromagnetic valve - Google Patents
Air conditioning system for switching outdoor unit and ground source water to supply heat by electromagnetic valve Download PDFInfo
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- CN213178886U CN213178886U CN202022040703.0U CN202022040703U CN213178886U CN 213178886 U CN213178886 U CN 213178886U CN 202022040703 U CN202022040703 U CN 202022040703U CN 213178886 U CN213178886 U CN 213178886U
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- electromagnetic valve
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- source water
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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
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A30/00—Adapting or protecting infrastructure or their operation
- Y02A30/27—Relating to heating, ventilation or air conditioning [HVAC] technologies
- Y02A30/274—Relating to heating, ventilation or air conditioning [HVAC] technologies using waste energy, e.g. from internal combustion engine
Abstract
The outdoor fin heat exchanger is easy to frost at low temperature, the heating capacity of the indoor unit is reduced after the frost is formed, the frost needs to be periodically removed, heating cannot be continuously provided for the indoor unit during the defrosting of the outdoor fin heat exchanger, and the temperature of the indoor environment is reduced. An air conditioning system for switching an outdoor unit and a ground source water to supply heat by using an electromagnetic valve comprises a compressor, a four-way valve, an outdoor heat exchanger, a first electromagnetic valve, a second electromagnetic valve, a hydraulic module and a multi-connected indoor unit, wherein the hydraulic module is correspondingly operated or stopped by controlling the on/off actions of the first electromagnetic valve and the second electromagnetic valve under a heating mode under the condition of low environmental temperature; through operation water conservancy module, adopt the higher ground source water of temperature to evaporate endothermic many online systems, reach and improve indoor set heating capacity to do not need to change the frost and switch, the indoor set can continuously heat, improves indoor travelling comfort's purpose.
Description
Technical Field
The utility model belongs to the technical field of the technique of air conditioner and specifically relates to an air conditioning system who switches off-premises station and ground source water heat supply with solenoid valve.
Background
In the existing multi-split system, a multi-split outdoor unit and a multi-split indoor unit generally form the multi-split system, when the indoor unit operates in a heating mode, hot air is provided indoors, an outdoor unit heat exchanger evaporates and absorbs heat to the air, a fin heat exchanger of the outdoor unit is prone to frosting at a low temperature, the heating capacity of the indoor unit is reduced after frosting, periodic defrosting is needed, heating cannot be continuously provided for the indoor unit during defrosting of the fin heat exchanger of the outdoor unit, the temperature of an indoor environment is reduced, and the comfort level is reduced.
SUMMERY OF THE UTILITY MODEL
To the not enough of prior art, the utility model aims to provide an air conditioning system who switches off-premises station and ground source water heat supply with solenoid valve.
In order to achieve the above object, the present invention provides an air conditioning system using a solenoid valve to switch an outdoor unit and ground source water for heating, comprising a compressor, a four-way valve, an outdoor heat exchanger, a first solenoid valve, a second solenoid valve, a hydraulic module and a multi-connected indoor unit, wherein three interfaces of the four-way valve are respectively connected to an output end of the compressor, one end of the outdoor heat exchanger and one end of the multi-connected indoor unit, and the remaining interface of the four-way valve and the hydraulic module are connected in parallel to an input end of the compressor; the other end of the outdoor heat exchanger is connected with one end of the first electromagnetic valve; the other end of the hydraulic module is connected with one end of the second electromagnetic valve; the other end of the first electromagnetic valve and the other end of the second electromagnetic valve are connected to the other end of the multi-connected indoor unit in parallel; the hydraulic module comprises a hydraulic heat exchanger and a ground source side for providing ground source water, wherein the hydraulic heat exchanger is connected to the ground source side through a water inlet pipe and a water outlet pipe; and controlling the on/off of the first electromagnetic valve and the on/off of the second electromagnetic valve to correspondingly operate/stop the hydraulic module in the heating mode.
Furthermore, a water outlet pipe of the hydraulic module is provided with a water temperature detection unit for detecting the temperature of the ground source water after heat exchange and a water flow switch for detecting the flowing condition of the ground source water.
And further, selecting to keep running or stop running the hydraulic module when the system runs the hydraulic module based on the temperature of the ground source water after heat exchange and the flowing condition of the ground source water.
Furthermore, a water inlet pipe of the hydraulic module is provided with a water pump.
Furthermore, an inlet stop valve is connected between one end of the hydraulic module and the second electromagnetic valve, and an outlet stop valve is connected to the other end of the hydraulic module.
Further, the input end of the compressor is connected with a gas-liquid separator, and the hydraulic module and the four-way valve are both connected to the input end of the compressor through the gas-liquid separator.
Furthermore, the output end of the compressor is connected with an oil separator, and the four-way valve is connected to the output end of the compressor through the oil separator.
Further, an air pipe stop valve is connected between the four-way valve and one end of the multi-connected indoor unit; and an electronic expansion valve and a high-pressure stop valve are sequentially connected between the parallel point of the first electromagnetic valve and the second electromagnetic valve and the other end of the multi-connected indoor unit.
Furthermore, the multi-connected indoor unit comprises a plurality of indoor units connected in parallel.
Furthermore, the used outdoor heat exchanger is an outdoor fin heat exchanger.
The utility model has the advantages that: under the condition of low environmental temperature, the system in the heating mode is enabled to correspondingly run or stop running the hydraulic module by controlling the on/off actions of the first electromagnetic valve and the second electromagnetic valve; through operation water conservancy module, adopt the higher ground source water of temperature to evaporate endothermic many online systems, reach and improve indoor set heating capacity to do not need to change the frost and switch, the indoor set can continuously heat, improves indoor travelling comfort's purpose.
Drawings
Fig. 1 is a schematic view of the present invention.
The system comprises a compressor 1, an oil separator 2, a four-way valve 3, an outdoor heat exchanger 4, a first electromagnetic valve 41, a hydraulic module 5, a second electromagnetic valve 51, a hydraulic heat exchanger 52, a water pump 53, a ground source side 54, a water temperature detection unit 55, a water flow switch 56, an outlet stop valve 57, an inlet stop valve 58, a multi-connected indoor unit 7, an electronic expansion valve 71, an air pipe stop valve 72, a high-pressure stop valve 73 and a gas-liquid separator 8.
Detailed Description
In order to facilitate understanding of the present invention, the present invention will be described more fully hereinafter with reference to the accompanying drawings. The preferred embodiments of the present invention are shown in the drawings. The invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. These embodiments are provided so that this disclosure will be thorough and complete.
Referring to fig. 1, in the present embodiment, an air conditioning system using an electromagnetic valve to switch an outdoor unit and a ground source water for heating includes a compressor 1, an oil separator 2, a four-way valve 3, an outdoor heat exchanger 4, a first electromagnetic valve 41, a second electromagnetic valve 51, a hydraulic module 5, a multi-connected indoor unit 7 and a gas-liquid separator 8, where the four-way valve 3 includes an a interface, a B interface, a C interface and a D interface, where the a interface is connected to an output end of the oil separator 2, the B interface is connected to one end of the outdoor heat exchanger 4, one end of the hydraulic module 5 is connected in parallel to an input end of the gas-liquid separator 8 through an outlet stop valve 57 and the C interface, and the D interface is connected to one end of the. The outdoor heat exchanger 4 is an outdoor fin heat exchanger. The multi-connected indoor unit 7 used includes a plurality of indoor units connected in parallel by the branch pipes.
In the present embodiment, the output end of the compressor 1 is connected to the input end of the oil separator 2, and the oil outlet end of the oil separator 2 and the output end of the gas-liquid separator 8 are connected in parallel to the input end of the compressor 1. Both ends of the multiple indoor unit 7 are connected to an electronic expansion valve 71 and an air pipe stop valve 72, respectively, wherein a high pressure stop valve 73 is connected between the multiple indoor unit 7 and the electronic expansion valve 71. The other end of the outdoor heat exchanger 4 is connected to one end of a first solenoid valve 41, and the other end of the hydro module 5 is connected to one end of a second solenoid valve 51 through an inlet cut-off valve 58, wherein the other end of the first solenoid valve 41 and the other end of the second solenoid valve 51 are connected to an electronic expansion valve 71 in parallel.
In the present embodiment, the hydro module 5 includes a hydro heat exchanger 52 and a ground source side 54, and the hydro heat exchanger 52 is connected to the ground source side 54 through a water inlet pipe and a water outlet pipe, wherein the water inlet pipe is provided with a water pump 53, the water outlet pipe is provided with a water temperature detecting unit 55 and a water flow switch 56, and the water temperature detecting unit 55 is a sensor. When the hydraulic module 5 operates, the ground source water on the ground source side 54 flows into the hydraulic heat exchanger 52 through the water inlet pipe by the extraction action of the water pump 53, the ground source water exchanges heat in the hydraulic heat exchanger 52 and then flows back to the ground source side 54 through the water outlet pipe, at this time, the water temperature detection unit 55 detects the temperature of the ground source water after heat exchange, and the water flow switch 56 detects the flowing condition of the ground source water in the water pipe.
In the embodiment, in the heating mode of system operation, the four-way valve 3 is powered on, the interface a of the four-way valve 3 is communicated with the interface D, the interface B of the four-way valve 3 is communicated with the interface C, and the high-temperature and high-pressure refrigerant discharged from the compressor 1 sequentially passes through the oil separator 2, the interface a-D of the four-way valve 3 and the air pipe stop valve 72 to flow into the multi-unit indoor unit 7 for condensation and heat release.
In this embodiment, if the system does not operate the hydro module 5 in the heating mode, the first solenoid valve 41 is opened, the second solenoid valve 51 and the water pump 53 are closed, the water pump 53 is stopped from extracting the ground source water on the ground source side 54, meanwhile, the flow of the refrigerant to the hydro module 5 is blocked, the refrigerant after heat dissipation by condensation flows from the multi-connected indoor unit 7 to the outdoor heat exchanger 4 through the high-pressure stop valve 73, the electronic expansion valve 71 and the first solenoid valve 41 in sequence to absorb heat by evaporation, and then the refrigerant flows from the outdoor heat exchanger 4 to the input end of the compressor 1 through the B-C interface of the four-way valve 3 and the gas-liquid separator 8 in sequence, thereby completing the heating cycle of the system without operating.
In this embodiment, if the system operates the hydraulic module 5 in the heating mode, the first electromagnetic valve 41 is closed, the second electromagnetic valve 51 and the water pump 53 are opened, the refrigerant is prevented from flowing to the outdoor heat exchanger 4, the refrigerant after condensation and heat release flows from the multi-connected indoor unit 7 to the hydraulic heat exchanger 52 through the high-pressure stop valve 73, the electronic expansion valve 71, the second electromagnetic valve 51 and the inlet stop valve 58 in sequence, the refrigerant with lower temperature exchanges heat with the ground source water higher than a set value through the hydraulic heat exchanger 52, so that the refrigerant evaporates and absorbs heat, and the set value is a temperature value higher than the ambient temperature; the refrigerant after evaporation and heat absorption sequentially flows to the input end of the compressor 1 from the hydraulic heat exchanger 52 through the outlet stop valve 57 and the gas-liquid separator 8, and the heating cycle of the system operation hydraulic mode is completed. At this time, if the temperature of the ground source water detected by the water temperature detecting unit 55 is lower than the set value, or if the flow condition of the ground source water detected by the water flow switch 56 is abnormal (abnormal conditions such as no ground source water flowing, and too small water flow), the second electromagnetic valve 51 and the water pump 53 are closed to stop the operation of the hydraulic module 5, and the first electromagnetic valve 41 is opened to enable the system to perform a heating cycle without operating the hydraulic module 5.
The above-described embodiments are merely preferred embodiments of the present invention, which are not intended to limit the present invention in any way. Those skilled in the art can make many changes, modifications, and equivalents of the embodiments of the invention without departing from the scope of the invention. Therefore, the content of the technical scheme of the utility model, according to the equivalent change made by the idea of the utility model, should be covered in the protection scope of the utility model.
Claims (10)
1. The utility model provides an air conditioning system who switches off-premises station and ground source water heat supply with solenoid valve which characterized in that: the multi-split air conditioner comprises a compressor (1), a four-way valve (3), an outdoor heat exchanger (4), a first electromagnetic valve (41), a second electromagnetic valve (51), a hydraulic module (5) and a multi-split indoor unit (7), wherein three interfaces of the four-way valve (3) are respectively connected to the output end of the compressor (1), one end of the outdoor heat exchanger (4) and one end of the multi-split indoor unit (7), and the rest one interface of the four-way valve (3) and the hydraulic module (5) are connected to the input end of the compressor (1) in parallel; the other end of the outdoor heat exchanger (4) is connected with one end of the first electromagnetic valve (41); the other end of the hydraulic module (5) is connected with one end of the second electromagnetic valve (51); the other end of the first electromagnetic valve (41) and the other end of the second electromagnetic valve (51) are connected to the other end of the multi-connected indoor unit (7) in parallel; the hydraulic module (5) comprises a hydraulic heat exchanger (52) and a ground source side (54) for providing ground source water, wherein the hydraulic heat exchanger (52) is connected to the ground source side (54) through a water inlet pipe and a water outlet pipe; and controlling the on/off of the first solenoid valve (41) and the on/off of the second solenoid valve (51) to correspondingly operate/shut down the hydraulic module (5) in the heating mode.
2. The air conditioning system using the electromagnetic valve to switch the outdoor unit and the ground source water for heating as claimed in claim 1, wherein: the water outlet pipe of the hydraulic module (5) is provided with a water temperature detection unit (55) for detecting the temperature of ground source water after heat exchange and a water flow switch (56) for detecting the flowing condition of the ground source water.
3. The air conditioning system of claim 2, wherein the outdoor unit and the ground source water are switched by the solenoid valve to supply heat, and the air conditioning system comprises: and selecting to keep running or stop running the hydraulic module (5) when the system runs the hydraulic module (5) based on the temperature of the ground source water after heat exchange and the flowing condition of the ground source water.
4. The air conditioning system using the electromagnetic valve to switch the outdoor unit and the ground source water for heating as claimed in claim 1, wherein: and a water inlet pipe of the hydraulic module (5) is provided with a water pump (53).
5. The air conditioning system using the electromagnetic valve to switch the outdoor unit and the ground source water for heating as claimed in claim 1, wherein: an inlet stop valve (58) is connected between one end of the hydraulic module (5) and the second electromagnetic valve (51), and an outlet stop valve (57) is connected to the other end of the hydraulic module (5).
6. The air conditioning system using the electromagnetic valve to switch the outdoor unit and the ground source water for heating as claimed in claim 1, wherein: the input end of the compressor (1) is connected with a gas-liquid separator (8), and the hydraulic module (5) and the four-way valve (3) are connected to the input end of the compressor (1) through the gas-liquid separator (8).
7. The air conditioning system using the electromagnetic valve to switch the outdoor unit and the ground source water for heating as claimed in claim 1, wherein: the output end of the compressor (1) is connected with an oil separator (2), and the four-way valve (3) is connected to the output end of the compressor (1) through the oil separator (2).
8. The air conditioning system using the electromagnetic valve to switch the outdoor unit and the ground source water for heating as claimed in claim 1, wherein: a gas pipe stop valve (72) is connected between the four-way valve (3) and one end of the multi-connected indoor unit (7); an electronic expansion valve (71) and a high-pressure stop valve (73) are sequentially connected between the parallel point of the first electromagnetic valve (41) and the second electromagnetic valve (51) and the other end of the multi-connected indoor unit (7).
9. The air conditioning system using the electromagnetic valve to switch the outdoor unit and the ground source water for heating as claimed in claim 1, wherein: the multi-connected indoor unit (7) comprises a plurality of indoor units which are connected in parallel.
10. The air conditioning system using the electromagnetic valve to switch the outdoor unit and the ground source water for heating as claimed in claim 1, wherein: the outdoor heat exchanger (4) is an outdoor fin heat exchanger.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022040703.0U CN213178886U (en) | 2020-09-17 | 2020-09-17 | Air conditioning system for switching outdoor unit and ground source water to supply heat by electromagnetic valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022040703.0U CN213178886U (en) | 2020-09-17 | 2020-09-17 | Air conditioning system for switching outdoor unit and ground source water to supply heat by electromagnetic valve |
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| Publication Number | Publication Date |
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| CN213178886U true CN213178886U (en) | 2021-05-11 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202022040703.0U Active CN213178886U (en) | 2020-09-17 | 2020-09-17 | Air conditioning system for switching outdoor unit and ground source water to supply heat by electromagnetic valve |
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| CN (1) | CN213178886U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113154570A (en) * | 2021-05-27 | 2021-07-23 | 广东积微科技有限公司 | Three-control multifunctional multi-split system and control method thereof |
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2020
- 2020-09-17 CN CN202022040703.0U patent/CN213178886U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113154570A (en) * | 2021-05-27 | 2021-07-23 | 广东积微科技有限公司 | Three-control multifunctional multi-split system and control method thereof |
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