CN219607189U - Antifreezing device for heating heat pump system - Google Patents
Antifreezing device for heating heat pump system Download PDFInfo
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- CN219607189U CN219607189U CN202320316100.XU CN202320316100U CN219607189U CN 219607189 U CN219607189 U CN 219607189U CN 202320316100 U CN202320316100 U CN 202320316100U CN 219607189 U CN219607189 U CN 219607189U
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- control
- heating
- connecting piece
- temperature sensing
- 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
- 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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- Heat-Exchange Devices With Radiators And Conduit Assemblies (AREA)
Abstract
The utility model provides an antifreezing device for a heating heat pump system, which comprises a heating heat exchanger with a heat exchange cavity, wherein a heating and refrigerating component and a heating water pipe group are arranged in the heat exchange cavity, the heating heat exchanger is provided with an antifreezing protection component, the antifreezing protection component comprises a temperature sensing connecting piece, a control component and a drainage connecting piece, a temperature sensing part of the temperature sensing connecting piece is connected with the heat exchange cavity, a connecting part of the temperature sensing connecting piece is connected with an induction part of the control component, a water inlet end of the drainage connecting piece is communicated with the heat exchange cavity, a water outlet end of the drainage connecting piece is connected with an opening and closing part of the control component, and the opening and closing part of the control component is used for controlling the opening and closing of the water outlet end of the drainage connecting piece through the deformation of the induction part of the heating heat exchanger; when the system is used in winter, after power failure, the control assembly controls the water outlet end of the water drainage connecting piece to be opened, water in the system is drained, the heating heat exchanger and the heating water pipe group thereof are protected, frost cracking caused by freezing of water is avoided, and the system is protected from normal use.
Description
Technical Field
The utility model relates to the technical field of heat pump systems, in particular to an antifreezing device for a heating heat pump system.
Background
The heat pump system is one kind of device to obtain low level heat energy from natural air, water or soil, to produce work with electric energy and to provide high level heat energy for people. The heat pump mainly relates to the fields of air energy heat pump water heater, air energy heat pump heating, air energy heat pump drying and the like.
However, in winter, the situations such as power failure and the like can be met, and the outdoor heat exchanger and the heating pipeline of the air source heat pump system can be frozen due to water in the system, so that the air source heat pump system is damaged, and the normal operation of the system is seriously influenced.
Disclosure of Invention
The utility model aims to solve the defects in the prior art and provides an antifreezing device for a heating heat pump system.
The utility model aims at realizing the following steps: the utility model provides an freeze-proof device that heating heat pump system used, includes the heating heat exchanger that has heat transfer inner chamber, heating refrigeration part and heating water nest of tubes are installed to the heat transfer inner chamber, heating heat exchanger is equipped with the freeze protection part that prevents that heating heat exchanger and heating water nest of tubes from being frozen to crack usefulness, freeze protection part includes temperature sensing connecting piece, control assembly, drainage connecting piece, temperature sensing portion and the heat transfer inner chamber of temperature sensing connecting piece are connected, and the connecting portion and the sensing portion of control assembly of temperature sensing connecting piece are connected, the inlet end and the heat transfer inner chamber intercommunication of drainage connecting piece, the outlet end and the switching portion of control assembly of drainage connecting piece are connected, the switching portion of control assembly is through the deformation of its sensing portion in order to control the opening and shutting of the outlet end of drainage connecting piece.
According to the optimization, the temperature sensing connecting piece comprises a temperature sensing probe and a connecting capillary tube, wherein the temperature sensing probe is arranged on the heating heat exchanger, one end of the temperature sensing probe extends into the heat exchange cavity, the other end of the temperature sensing probe is connected with the connecting capillary tube, the connecting capillary tube is communicated with the sensing part of the control assembly, and the inside of the sensing part of the connecting capillary tube and the control assembly is filled with refrigerant.
According to the optimization, the control assembly comprises a control valve body, a control sheet and an elastic switch valve member, wherein the control sheet is arranged in the control valve body and separates the control valve body into an upper control cavity and a lower control cavity, the upper control cavity is communicated with a connecting capillary tube of a temperature sensing connecting piece, the upper control cavity is filled with refrigerant, the lower control cavity is provided with a water inlet communicated with a drainage connecting piece and a water outlet communicated with an external drainage pipe, the elastic switch valve member is arranged in the lower control cavity and is arranged on the control sheet, and the control sheet deforms under the pressure change effect of the refrigerant so that the elastic switch valve member controls the on-off of the water inlet, the lower control cavity and the water outlet.
According to the optimization, the elastic switch valve member comprises a valve needle and a spring, wherein the valve needle is arranged on the control sheet and can move up and down in the control upper cavity and the control lower cavity, the spring is sleeved on the valve needle, and two elastic ends of the spring are respectively connected with the wall surface of the control lower cavity and the end head of the valve needle.
According to the optimization, the drainage connecting piece comprises a drainage pipe, one end of the drainage pipe is communicated with the heat exchange inner cavity, and the other end of the drainage pipe is communicated with the control lower cavity.
According to the optimization, the heating water pipe group comprises a heating water inlet pipe, a water pump and a heating water outlet pipe, wherein the heating water inlet pipe and the heating water outlet pipe are diagonally arranged on the heating heat exchanger and are communicated with the heat exchange cavity, and the water pump is arranged on the heating water inlet pipe.
The utility model has the advantages that: through adopting the structure cooperation of this structure antifreeze protection component's temperature sensing connecting piece, control assembly, drainage connecting piece, when winter, after having a power failure, the temperature sensing connecting piece detects the heating water pipe group temperature and reduces, and under the pressure variation effect of the inside refrigerant of temperature sensing connecting piece and control assembly, impels the play water end of control assembly control drainage connecting piece to open, the water drainage in the system, protection heating heat exchanger and heating water pipe group thereof avoid being frozen because of water freezes, protection system normal use.
Drawings
Fig. 1 is a schematic diagram of the operation of a preferred embodiment of the present utility model.
Detailed Description
The utility model is further described below with reference to the accompanying drawings.
According to fig. 1, the antifreezing device for a heating heat pump system of the utility model comprises a heating heat exchanger 1 with a heat exchange cavity, wherein a heating and refrigerating component and a heating water pipe group are arranged in the heat exchange cavity. The heating heat exchanger 1 is provided with an anti-freezing protection component for preventing the heating heat exchanger 1 and a heating water pipe group thereof from being frozen, and the anti-freezing protection component comprises a temperature sensing connecting piece 2, a control component 3 and a drainage connecting piece 4. The temperature sensing portion of temperature sensing connecting piece 2 is connected with the heat transfer inner chamber, and the connecting portion of temperature sensing connecting piece 2 is connected with the induction part of control assembly 3, the water inlet end and the heat transfer inner chamber intercommunication of drainage connecting piece 4, the play water end of drainage connecting piece 4 is connected with the portion that opens and shuts of control assembly 3, the portion that opens and shuts of control assembly 3 is through the deformation of its induction part in order to control the opening and shutting of the play water end of drainage connecting piece 4.
Through the structural cooperation of the temperature sensing connecting piece 2, the control component 3 and the drainage connecting piece 4 of the antifreezing protection component of the structure, when in winter, the temperature sensing connecting piece 2 detects the water temperature reduction after power failure, so that the control component 3 is caused to control the water outlet end of the drainage connecting piece 4 to be opened, and the water of the heating heat pump system is discharged, thereby protecting the heating heat exchanger 1 and a heating water pipe group thereof, avoiding frost cracking caused by freezing of the water, and ensuring normal use of the protection system.
Referring to fig. 1, in a further refinement, the temperature-sensitive connector 2 includes a temperature-sensitive probe 21 and a connecting capillary 22. The temperature sensing probe 21 is arranged on the heating heat exchanger 1, one end of the temperature sensing probe 21 extends into the heat exchange cavity, the other end of the temperature sensing probe 21 is connected with the connecting capillary tube 22, the connecting capillary tube 22 is communicated with the sensing part of the control assembly 3, and the inside of the sensing part of the connecting capillary tube 22 and the control assembly 3 is filled with the refrigerant 5.
And, the said control assembly 3 includes controlling the valve body 31, control sheet 32, elastic switch valve member. The control piece 32 is arranged in the control valve body 31 and divides the control valve body 31 into a control upper cavity 33 and a control lower cavity 34, the control upper cavity 33 is communicated with the connecting capillary tube 22 of the temperature sensing connecting piece 2, the control upper cavity 33 is filled with the refrigerant 5, and the control lower cavity 34 is provided with a water inlet 35 communicated with the water discharging connecting piece 4 and a water outlet 36 communicated with the external water discharging pipe 41. The elastic switch valve is arranged in the control lower cavity 34 and is arranged on the control plate 32, and the control plate 32 deforms under the pressure change of the refrigerant 5, so that the elastic switch valve controls the on-off of the water inlet 35, the control lower cavity 34 and the water outlet 36.
The elastic switch valve member comprises a valve needle 37 and a spring 38, the valve needle 37 is mounted on the control plate 32 and can move up and down in the control upper cavity 33 and the control lower cavity 34, the spring 38 is sleeved on the valve needle 37, and two elastic ends of the spring 38 are respectively connected with the wall surface of the control lower cavity 34 and the end head of the valve needle 37.
In addition, the heating water pipe group includes heating inlet tube 6, water pump 7, heating outlet pipe 8, heating inlet tube 6 and heating outlet pipe 8 diagonal angle are installed on heating heat exchanger 1 and are communicated with the heat transfer inner chamber, water pump 7 is installed on heating inlet tube 6.
That is, in winter, when there is a sudden power failure or the like, the water temperature in the heating heat exchanger 1 and the heating water pipe group is lowered. The temperature sensing probe 21 detects the temperature in the heat exchange cavity of the heating heat exchanger 1 in real time, and transmits the temperature in the heat exchange cavity to the connecting capillary tube 22 and the control valve body 31. At this time, the pressure of the refrigerant 5 in the control upper chamber 33 varies with the temperature due to the connection capillary tube 22. Under the pressure change effect of the refrigerant 5, the control plate 32 is deformed, the valve needle 37 overcomes the elastic force of the spring 38 and moves upwards along with the control plate 32, the water inlet 35, the control lower cavity 34 and the water outlet 36 are mutually communicated, water in the heat exchange cavity of the heating heat exchanger 1 and the heating water pipe group is discharged, the heating heat exchanger 1 and the heating water pipe group are protected, frost cracking caused by freezing of water is avoided, and the normal use of the system is protected.
When the system is electrified and the water temperature is restored, the pressure of the refrigerant 5 changes along with the temperature, the elastic force of the spring 38 is larger than the pressure of the refrigeration, the control plate 32 is caused to reset, the valve needle 37 moves downwards, the water inlet 35 is closed, and therefore the water inlet 35, the control lower cavity 34 and the water outlet 36 are disconnected, and the normal heating of the system is ensured.
The above embodiments are only specific embodiments with good effects, and all structures identical or equivalent to the antifreezing device for the heating heat pump system of the present utility model are within the protection scope of the present utility model.
Claims (6)
1. An antifreezing device for a heating heat pump system comprises a heating heat exchanger (1) with a heat exchange cavity, wherein a heating and refrigerating component and a heating water pipe group are installed in the heat exchange cavity, and the antifreezing device is characterized in that: the utility model provides a heating heat exchanger (1) is equipped with the frost protection part that prevents heating heat exchanger (1) and heating water pipe group by frost crack usefulness, the frost protection part includes temperature sensing connecting piece (2), control assembly (3), drainage connecting piece (4), the temperature sensing portion and the heat transfer inner chamber of temperature sensing connecting piece (2) are connected, the connecting portion and the induction part of control assembly (3) of temperature sensing connecting piece (2) are connected, the inlet end and the heat transfer inner chamber intercommunication of drainage connecting piece (4), the outlet end and the switching portion of control assembly (3) of drainage connecting piece (4) are connected, the switching portion of control assembly (3) is through the deformation of its induction part in order to control the opening and shutting of the outlet end of drainage connecting piece (4).
2. The antifreeze apparatus for a heating heat pump system according to claim 1, wherein: the temperature sensing connecting piece (2) comprises a temperature sensing probe (21) and a connecting capillary tube (22), wherein the temperature sensing probe (21) is arranged on the heating heat exchanger (1), one end of the temperature sensing probe (21) extends into the heat exchange cavity, the other end of the temperature sensing probe (21) is connected with the connecting capillary tube (22), the connecting capillary tube (22) is communicated with the sensing part of the control assembly (3), and the inside of the sensing part of the connecting capillary tube (22) and the control assembly (3) is filled with the refrigerant (5).
3. The antifreeze apparatus for a heating heat pump system according to claim 1 or 2, wherein: the control assembly (3) comprises a control valve body (31), a control sheet (32) and an elastic switch valve member, wherein the control sheet (32) is arranged in the control valve body (31) and separates the control valve body (31) into a control upper cavity (33) and a control lower cavity (34), the control upper cavity (33) is communicated with a connecting capillary tube (22) of a temperature sensing connecting piece (2), the control upper cavity (33) is internally filled with a refrigerant (5), the control lower cavity (34) is provided with a water inlet (35) communicated with a water drainage connecting piece (4) and a water outlet (36) communicated with an external water drain pipe (41), the elastic switch valve member is arranged in the control lower cavity (34) and is arranged on the control sheet (32), and the control sheet (32) deforms under the pressure change action of the refrigerant (5) so that the elastic switch valve member controls the water inlet (35), the control lower cavity (34) and the water outlet (36) to be opened or closed.
4. An antifreeze apparatus for a heating heat pump system as defined in claim 3, wherein: the elastic switch valve member comprises a valve needle (37) and a spring (38), the valve needle (37) is arranged on the control piece (32) and can move up and down in the control upper cavity (33) and the control lower cavity (34), the spring (38) is sleeved on the valve needle (37) and the two elastic ends of the spring are respectively connected with the wall surface of the control lower cavity (34) and the end head of the valve needle (37).
5. An antifreeze apparatus for a heating heat pump system as defined in claim 3, wherein: the drainage connecting piece (4) comprises a drainage pipe (41), one end of the drainage pipe (41) is communicated with the heat exchange inner cavity, and the other end of the drainage pipe (41) is communicated with the control lower cavity (34).
6. The antifreeze apparatus for a heating heat pump system according to claim 1, wherein: the heating water pipe group comprises a heating water inlet pipe (6), a water pump (7) and a heating water outlet pipe (8), wherein the heating water inlet pipe (6) and the heating water outlet pipe (8) are diagonally arranged on the heating heat exchanger (1) and are communicated with the heat exchange cavity, and the water pump (7) is arranged on the heating water inlet pipe (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320316100.XU CN219607189U (en) | 2023-02-23 | 2023-02-23 | Antifreezing device for heating heat pump system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320316100.XU CN219607189U (en) | 2023-02-23 | 2023-02-23 | Antifreezing device for heating heat pump system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219607189U true CN219607189U (en) | 2023-08-29 |
Family
ID=87750356
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320316100.XU Active CN219607189U (en) | 2023-02-23 | 2023-02-23 | Antifreezing device for heating heat pump system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219607189U (en) |
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2023
- 2023-02-23 CN CN202320316100.XU patent/CN219607189U/en active Active
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