CN208887156U - A kind of air-conditioning ground heating unit having defencive function - Google Patents
A kind of air-conditioning ground heating unit having defencive function Download PDFInfo
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- CN208887156U CN208887156U CN201920223981.4U CN201920223981U CN208887156U CN 208887156 U CN208887156 U CN 208887156U CN 201920223981 U CN201920223981 U CN 201920223981U CN 208887156 U CN208887156 U CN 208887156U
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- water
- air
- heat exchanger
- ground heating
- side heat
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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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- Compression-Type Refrigeration Machines With Reversible Cycles (AREA)
Abstract
The utility model relates to a kind of air-conditioning ground heating units for having defencive function; including the refrigerant circulation loop being made of compressor, oil eliminator, four-way valve, indoor set heat exchanger, outdoor unit heat exchanger, outdoor unit electric expansion valve and gas-liquid separator; the both ends of the indoor set heat exchanger and the refrigerant circuit both ends of water-side heat are in parallel, and the water route of the water-side heat is connected to ground heating pipe；The protection pipeline of connection is equipped between the refrigerant port of the water-side heat, protection pipe road is equipped with the 4th solenoid valve, can control the on-off of the protection pipeline, and then control refrigerant and bypass the water-side heat, it is ensured that unit safety.The utility model is designed reasonably, it is compact-sized, it is easy to control; the switching that air-conditioning and floor heating can flexibly be carried out improves the convenience and unit operation efficiency used, and; the danger being likely to occur due to pressure is excessive at floor heating can also be effectively prevent, it is ensured that unit safety efficient operation.
Description
Technical field
The utility model relates to a kind of air-conditioning system, especially a kind of air-conditioning system that can be realized air-conditioning and floor heating switching
System, specifically a kind of air-conditioning ground heating unit for having defencive function.
Background technique
Currently, the air-conditioning system that air-conditioning and floor heating combine is becoming increasingly popular, bring great convenience to user.But
It is that existing most of air-conditioning ground heating systems are without safeguard measure, and pressure is excessive at floor heating heat exchanger or unit is asked
When topic, protectiveness bypass can not be carried out, danger is easy to appear.
Utility model content
The purpose of this utility model is in view of the deficiencies of the prior art, to provide a kind of air-conditioning ground heating machine for having defencive function
Group can not only flexibly carry out switching between air-conditioning and floor heating, improve the convenience and unit operation efficiency used, and
And it can also effectively prevent the danger occurred due to pressure is excessive at floor heating, it is ensured that unit safety efficient operation.
The technical solution of the utility model is:
A kind of air-conditioning ground heating unit having defencive function, including exchanged heat by compressor, oil eliminator, four-way valve, indoor unit
The refrigerant circulation loop that device, outdoor unit heat exchanger, outdoor unit electric expansion valve and gas-liquid separator are constituted, the indoor unit change
The both ends both ends of hot device and the refrigerant circuit both ends of water-side heat are in parallel, and the water route of the water-side heat is connected to floor heating
Pipeline；The protection pipeline of connection is equipped between the refrigerant port of the water-side heat, protection pipe road is equipped with the 4th electromagnetism
Valve can control the on-off of the protection pipeline, and then control refrigerant and bypass the water-side heat, it is ensured that unit safety.
Further, the first solenoid valve and second solenoid valve are respectively equipped on the refrigerant port of the water-side heat.
Further, the tracheae side of the indoor set heat exchanger is equipped with third solenoid valve.
Further, it is equipped with a water pump between the water-side heat and the ground heating pipe, is equipped on rear side of the water pump
Temperature sensor.
Further, the indoor set heat exchanger is that multiple groups are in parallel, and indoor electromechanics is equipped on every group of indoor set heat exchanger
Sub- expansion valve.
The utility model has the beneficial effects that
The utility model is designed reasonably, it is compact-sized, it is easy to control, the switching of air-conditioning and floor heating can be flexibly carried out,
The convenience and unit operation efficiency that use are improved, moreover, can also effectively prevent being likely to occur due at floor heating pressure is excessive
It is dangerous, it is ensured that unit safety efficient operation.
Detailed description of the invention
Fig. 1 is the system schematic of the utility model.
Wherein: 1- compressor；2- oil eliminator；3- four-way valve；4- outdoor unit heat exchanger；5- gas-liquid separator；In the room 6-
Machine heat exchanger；7- electronic expansion valve of indoor unit；8- third solenoid valve；The first solenoid valve of 9-；10- second solenoid valve；The 4th electricity of 11-
Magnet valve；12- water-side heat；13- temperature sensor；14- water pump；15- ground heating pipe；16- protects pipeline；It is electromechanical outside the room 17-
Sub- expansion valve；A-G- refrigerant streaming node.
Specific embodiment
The utility model is further described with reference to the accompanying drawings and examples.
As shown in Figure 1.
A kind of air-conditioning ground heating unit having defencive function, including changed by compressor 1, oil eliminator 2, four-way valve 3, indoor unit
The refrigerant circulation loop that hot device 6, outdoor unit heat exchanger 4, outdoor unit electric expansion valve 17 and gas-liquid separator 5 are constituted, it is described
The both ends of indoor set heat exchanger 6 and the refrigerant circuit both ends of water-side heat 12 are in parallel, and refrigerant can be made to flow through the water
Side heat exchanger 12 exchanges heat with recirculated water therein.Meanwhile the water route of the water-side heat 12 is connected to ground heating pipe 15,
Recirculated water by heat exchange can be applied to floor heating.The first electricity is respectively equipped on the refrigerant port of the water-side heat 12
Magnet valve 9 and second solenoid valve 10, can be controlled separately the opening and closing of two ports.The tracheae side of the indoor set heat exchanger is equipped with the
Three solenoid valves 8, can control the switching of air-conditioning and floor heating.The indoor set heat exchanger 6 is that multiple groups are in parallel, every group of indoor unit heat exchange
It is equipped with electronic expansion valve of indoor unit 7 on device, the advantage of multi-connected machine can be given full play to, improves unit efficiency.
It is equipped with the protection pipeline 16 of connection between the refrigerant port of the water-side heat 12, is set on the protection pipeline 16
There is the 4th solenoid valve 11, the on-off of the protection pipeline 16 can be controlled, and then control refrigerant and bypass the water-side heat, really
Protect unit safety.Water route between the water-side heat 12 and the ground heating pipe 15 is equipped with a water pump 14, to control
The flow direction and flow velocity of recirculated water processed.Temperature sensor 13 is equipped on rear side of the water pump 14 to understand the temperature of recirculated water in time is
Start the 4th solenoid valve 11 and foundation is provided, keeps the control of whole system more accurate orderly.
First solenoid valve 9, second solenoid valve 10, third solenoid valve 8 and the 4th solenoid valve 11 are two way solenoid valve,
Convenient for manipulation.
The operational process of the utility model are as follows:
1. summer air-conditioning runs refrigeration mode, floor heating module is not involved in operating, at this time the first solenoid valve and the second electromagnetism
Valve is to close, and third solenoid valve is opened, and refrigerant flow direction is A-B-C-D-E-F-G.
2. use in winter.
1) when only running heating mode, floor heating module is not involved in operating, at this point, the first solenoid valve and second solenoid valve are
It closes, third solenoid valve is opened, and refrigerant flow direction is A-B-C-D-E-F-G.
2) when air-conditioning ground heating mixes fortune state, at this point, the first solenoid valve, second solenoid valve and third solenoid valve are opened simultaneously,
And open water pump.At this point, part of refrigerant can be distributed to water side and be changed while maintaining air conditioner indoor unit operation by unit
Hot device, is slowly heated recirculated water, and is delivered in ground heating pipe by water pump, uses for floor heating.Refrigerant flow is two at this time
Road: being all the way A-E-D-C-B-F-G, another way are as follows: A-I-H-C-B-F-G.
3. when floor heating mode, the first solenoid valve and second solenoid valve are to open, and third solenoid valve is closed, at this point, air-conditioning
Indoor unit module is separated, and refrigerant all flows through water-side heat, heats to recirculated water, then is delivered to floor heating through water pump
Pipeline uses, refrigerant flow direction are as follows: A-I-H-C-B-F-G for floor heating.
4. the first solenoid valve, second solenoid valve and third solenoid valve are all turned on, and use air-conditioning side and water side when defrosting
Common heat supply accelerates defrosting speed.
5. no matter the first solenoid valve, second solenoid valve and third solenoid valve are in any action state when unit starting
Under, the 4th solenoid valve is first opened into 60s, later closes the 4th solenoid valve, plays the role of balancing whole system pressure.
Its refrigerant flow direction are as follows: A-B-C-H-I-F-G.
6. the temperature sensor on rear side of water pump detects that the temperature Ts of recirculated water is excessively high, it is typically set at Ts >=55
DEG C, it can assert that water-side heat partial pressure is excessively high, there are risks, open the 4th solenoid valve at this time, make described in refrigerant bypass
Water-side heat protects water-side heat；When temperature sensor detects Ts≤50 DEG C, the 4th solenoid valve closes again
It closes, unit restores proterotype and works on.
The parts not involved in the utility model is the same as those in the prior art or can be realized by using the prior art.
Claims (5)
1. it is a kind of have defencive function air-conditioning ground heating unit, including by compressor, oil eliminator, four-way valve, indoor set heat exchanger,
The refrigerant circulation loop that outdoor unit heat exchanger, outdoor unit electric expansion valve and gas-liquid separator are constituted, it is characterized in that the room
The both ends of interior machine heat exchanger and the refrigerant circuit both ends of water-side heat are in parallel, and the water route of the water-side heat is connected to ground
Heating coil road；The protection pipeline of connection is equipped between the refrigerant port of the water-side heat, protection pipe road is equipped with the 4th electricity
Magnet valve can control the on-off of the protection pipeline, and then control refrigerant and bypass the water-side heat, it is ensured that unit safety.
2. the air-conditioning ground heating unit of tool defencive function according to claim 1, it is characterized in that the system of the water-side heat
The first solenoid valve and second solenoid valve are respectively equipped on cryogen port.
3. the air-conditioning ground heating unit of tool defencive function according to claim 1, it is characterized in that the indoor set heat exchanger
Tracheae side is equipped with third solenoid valve.
4. the air-conditioning ground heating unit of tool defencive function according to claim 1, it is characterized in that the water-side heat and institute
It states and is equipped with a water pump between ground heating pipe, be equipped with temperature sensor on rear side of the water pump.
5. the air-conditioning ground heating unit of tool defencive function according to claim 1, it is characterized in that the indoor set heat exchanger is
Multiple groups are in parallel, are equipped with electronic expansion valve of indoor unit on every group of indoor set heat exchanger.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920223981.4U CN208887156U (en) | 2019-02-22 | 2019-02-22 | A kind of air-conditioning ground heating unit having defencive function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920223981.4U CN208887156U (en) | 2019-02-22 | 2019-02-22 | A kind of air-conditioning ground heating unit having defencive function |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208887156U true CN208887156U (en) | 2019-05-21 |
Family
ID=66518908
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920223981.4U Active CN208887156U (en) | 2019-02-22 | 2019-02-22 | A kind of air-conditioning ground heating unit having defencive function |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208887156U (en) |
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2019
- 2019-02-22 CN CN201920223981.4U patent/CN208887156U/en active Active
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