CN210602361U - Waterway switching device for heat pump system - Google Patents

Waterway switching device for heat pump system Download PDF

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Publication number
CN210602361U
CN210602361U CN201920614197.6U CN201920614197U CN210602361U CN 210602361 U CN210602361 U CN 210602361U CN 201920614197 U CN201920614197 U CN 201920614197U CN 210602361 U CN210602361 U CN 210602361U
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China
Prior art keywords
electric butterfly
butterfly valve
pipeline
waterway switching
switching equipment
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CN201920614197.6U
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Chinese (zh)
Inventor
李志华
王彦芳
康杰
胡志高
李玲
郭海光
章威
蔡超
袁润
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Hubei Fengshen Clean Air Conditioning Equipment Engineering Co ltd
China Construction Third Engineering Bureau Co Ltd
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Hubei Fengshen Clean Air Conditioning Equipment Engineering Co ltd
China Construction Third Engineering Bureau Co Ltd
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Abstract

A waterway switching device for a heat pump system comprises a first set of waterway switching equipment and a second set of waterway switching equipment; the first set of waterway switching equipment and the second set of waterway switching equipment comprise conveying pipe sets; the conveying pipe group comprises four conveying pipes and four connecting pipes; the four conveying pipes are sequentially connected end to end in an annular shape; four head-tail joints of the four conveying pipes are correspondingly connected to one ends of the four connecting pipes respectively; a first electric butterfly valve group and a second electric butterfly valve group are arranged on the first set of waterway switching equipment and the second set of waterway switching equipment; the first electric butterfly valve group and the second electric butterfly valve group are both connected with an electric butterfly valve controller through communication cables; the first electric butterfly valve group and the second electric butterfly valve group comprise four electric butterfly valves. The utility model discloses can switch the state of opening and close of first electronic butterfly valves and the electronic butterfly valves of second through the electric butterfly valve controller, it is convenient to switch, realizes carrying out the purpose that the water route switched from heat pump system inside.

Description

Waterway switching device for heat pump system
Technical Field
The utility model relates to a heat pump system technical field especially relates to a water route auto-change over device for heat pump system.
Background
The water/ground source heat pump system is one kind of high efficiency energy saving air conditioning system capable of heating and cooling with shallow geothermal resource. The system realizes the transfer of low-temperature heat energy to high-temperature heat energy by inputting a small amount of electric energy, the geothermal energy is respectively used as a heat source for heat pump heating and a cold source for air conditioning in summer, the energy is derived from underground energy, the system does not discharge any waste gas, waste water and waste residue to the outside, and the system is an ideal green air conditioner and can be widely applied to the fields of office buildings, hotels, schools, dormitories, hospitals, restaurants, markets, villas, houses and the like.
When the screw type water/ground source heat pump unit is in a refrigeration working condition, 7/12 ℃ chilled water is provided by the evaporator, the condenser is connected with the cold source, 45/40 ℃ air conditioning hot water is provided by the condenser in a refrigeration working condition, and the evaporator is connected with the heat source, so that the screw type water/ground source heat pump unit needs to switch the condenser and the evaporator in summer and winter, and all screw type water/ground source heat pump units in the market at present cannot realize internal switching and need to switch from an external pipe network.
SUMMERY OF THE UTILITY MODEL
Objects of the invention
For solving the technical problem who exists among the background art, the utility model provides a water route auto-change over device for heat pump system can switch the state of opening and close of first electric butterfly valves and second electric butterfly valves through the electric butterfly valve controller, and it is convenient to switch, realizes carrying out the purpose that the water route switched from heat pump system inside to be used for the refrigeration operating mode in summer and the working condition that heats in winter.
(II) technical scheme
In order to solve the above problems, the present invention provides a waterway switching device for a heat pump system, which comprises a first waterway switching device and a second waterway switching device;
the first set of waterway switching equipment and the second set of waterway switching equipment comprise conveying pipe sets; the conveying pipe group comprises four conveying pipes and four connecting pipes; the four conveying pipes are sequentially connected end to end in an annular shape; four head-tail joints of the four conveying pipes are correspondingly connected to one ends of the four connecting pipes respectively; the other ends of the four connecting pipes are connected with connecting flanges; a first electric butterfly valve group and a second electric butterfly valve group are arranged on the first set of waterway switching equipment and the second set of waterway switching equipment; the first electric butterfly valve group and the second electric butterfly valve group are both connected with an electric butterfly valve controller through communication cables; the first electric butterfly valve group and the second electric butterfly valve group comprise four electric butterfly valves; two electric butterfly valves in the first electric butterfly valve group are respectively arranged on two opposite conveying pipes in the first set of waterway switching equipment, the other two electric butterfly valves in the first electric butterfly valve group are respectively arranged on two opposite conveying pipes in the second set of waterway switching equipment, and the two opposite conveying pipes in the second set of waterway switching equipment are in the same position as the two opposite conveying pipes in the first set of waterway switching equipment; two electric butterfly valves in the second electric butterfly valve group are respectively arranged on the other two conveying pipes in the first set of waterway switching equipment, and the other two electric butterfly valves in the second electric butterfly valve group are respectively arranged on the other two conveying pipes in the second set of waterway switching equipment.
Preferably, the four delivery pipes are respectively a first pipeline, a second pipeline, a third pipeline and a fourth pipeline; the first pipeline, the second pipeline, the third pipeline and the fourth pipeline are sequentially connected end to end; the four connecting pipes are respectively a fifth pipeline, a sixth pipeline, a seventh pipeline and an eighth pipeline; one end of the fifth pipeline is communicated with the first pipeline and the fourth pipeline, and the other end of the fifth pipeline is connected with the connecting flange; one end of the sixth pipeline is communicated with the first pipeline and the second pipeline, and the other end of the sixth pipeline is connected with the connecting flange; one end of the seventh pipeline is communicated with the second pipeline and the third pipeline, and the other end of the seventh pipeline is connected with the connecting flange; one end of the eighth pipeline is communicated with the third pipeline and the fourth pipeline, and the other end of the eighth pipeline is connected with the connecting flange.
Preferably, the first electric butterfly valve group comprises a first electric butterfly valve, a third electric butterfly valve, a fifth electric butterfly valve and a seventh electric butterfly valve; the first electric butterfly valve is arranged on a first pipeline in the first set of waterway switching equipment; the third electric butterfly valve is arranged on a third pipeline in the first set of waterway switching equipment; the fifth electric butterfly valve is arranged on the first pipeline in the second set of waterway switching equipment; the seventh electric butterfly valve is arranged on a third pipeline in the second set of waterway switching equipment; the second electric butterfly valve group comprises a second electric butterfly valve, a fourth electric butterfly valve, a sixth electric butterfly valve and an eighth electric butterfly valve; the second electric butterfly valve is arranged on a second pipeline in the first set of waterway switching equipment; the fourth electric butterfly valve is arranged on a fourth pipeline in the first set of waterway switching equipment; the sixth electric butterfly valve is arranged on a second pipeline in the second set of waterway switching equipment; the eighth electric butterfly valve is arranged on a fourth pipeline in the second set of waterway switching equipment.
Preferably, pressure sensors are arranged on four delivery pipes in the first set of waterway switching equipment and four delivery pipes in the second set of waterway switching equipment; the pressure sensor is in communication connection with a pressure display instrument through a communication cable.
Preferably, manual control butterfly valves are arranged on four delivery pipes in the first set of waterway switching equipment and four delivery pipes in the second set of waterway switching equipment.
The above technical scheme of the utility model has following profitable technological effect: the opening and closing states of the first electric butterfly valve group and the second electric butterfly valve group are switched through the electric butterfly valve controller, the switching is convenient, the purpose of carrying out waterway switching from the inside of the heat pump system is achieved, and the refrigerating working condition in summer and the heating working condition in winter are used.
Drawings
Fig. 1 is a schematic structural diagram of a water path switching device for a heat pump system according to the present invention.
Fig. 2 is the utility model provides a switching principle schematic diagram of first suit water route switching equipment under the refrigeration operating mode in summer among the water route switching device for heat pump system.
Fig. 3 is the utility model provides a second set of water route switching equipment is in the switching principle schematic diagram under the summer refrigeration operating mode among the water route switching device for heat pump system.
Fig. 4 is the utility model provides a switching principle schematic diagram of first complete set water route switching equipment under the working condition of heating winter among water route switching device for heat pump system.
Fig. 5 is the utility model provides a switch principle sketch map of second complete water route switching equipment under the working condition of heating winter among the water route switching device for heat pump system.
Reference numerals: 10. a first set of waterway switching equipment; 20. a second set of waterway switching equipment; 1. a manual control butterfly valve; 201. a first electric butterfly valve; 202. a second electric butterfly valve; 203. a third electric butterfly valve; 204. a fourth electric butterfly valve; 205. a fifth electric butterfly valve; 206. a sixth electric butterfly valve; 207. a seventh electric butterfly valve; 208. an eighth electric butterfly valve; 3. a pressure sensor; 4. a connecting flange; 5. a communication cable; 6. a pressure display gauge; 7. an electric butterfly valve controller; 11. a first conduit; 22. a second conduit; 33. a third pipeline; 44. a fourth conduit; 55. a fifth pipeline; 66. a sixth pipeline; 77. a seventh pipe; 88. and an eighth conduit.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be described in detail with reference to the accompanying drawings. It should be understood that the description is intended to be illustrative only and is not intended to limit the scope of the present invention. Moreover, in the following description, descriptions of well-known structures and techniques are omitted so as to not unnecessarily obscure the concepts of the present invention.
As shown in fig. 1-5, the utility model provides a waterway switching device for a heat pump system, which comprises a first set of waterway switching equipment 10 and a second set of waterway switching equipment 20;
the first set of waterway switching device 10 and the second set of waterway switching device 20 each comprise a conveying pipe group; the conveying pipe group comprises four conveying pipes and four connecting pipes; the four conveying pipes are sequentially connected end to end in an annular shape; four head-tail joints of the four conveying pipes are correspondingly connected to one ends of the four connecting pipes respectively; the other ends of the four connecting pipes are connected with connecting flanges 4; a first electric butterfly valve group and a second electric butterfly valve group are arranged on the first set of waterway switching equipment 10 and the second set of waterway switching equipment 20; the first electric butterfly valve group and the second electric butterfly valve group are both connected with an electric butterfly valve controller 7 through communication cables 5; the first electric butterfly valve group and the second electric butterfly valve group comprise four electric butterfly valves; two electric butterfly valves in the first electric butterfly valve group are respectively arranged on two opposite conveying pipes in the first set of waterway switching equipment 10, the other two electric butterfly valves in the first electric butterfly valve group are respectively arranged on two opposite conveying pipes in the second set of waterway switching equipment 20, and the two opposite conveying pipes in the second set of waterway switching equipment 20 are in the same position as the two opposite conveying pipes in the first set of waterway switching equipment 10; two electric butterfly valves in the second electric butterfly valve group are respectively arranged on the other two conveying pipes in the first set of waterway switching equipment 10, and the other two electric butterfly valves in the second electric butterfly valve group are respectively arranged on the other two conveying pipes in the second set of waterway switching equipment 20.
In an alternative embodiment, the four ducts are respectively a first duct 11, a second duct 22, a third duct 33 and a fourth duct 44; the first pipeline 11, the second pipeline 22, the third pipeline 33 and the fourth pipeline 44 are sequentially connected end to end; the four connecting pipes are respectively a fifth pipe 55, a sixth pipe 66, a seventh pipe 77 and an eighth pipe 88; one end of a fifth pipeline 55 is communicated with the first pipeline 11 and the fourth pipeline 44, and the other end of the fifth pipeline 55 is connected with the connecting flange 4; one end of the sixth pipeline 66 is communicated with the first pipeline 11 and the second pipeline 22, and the other end of the sixth pipeline 66 is connected with the connecting flange 4; one end of the seventh pipeline 77 is communicated with the second pipeline 22 and the third pipeline 33, and the other end of the seventh pipeline 77 is connected with the connecting flange 4; one end of the eighth pipe 88 communicates with the third pipe 33 and the fourth pipe 44, and the other end of the eighth pipe 88 is connected to the connection flange 4.
In an alternative embodiment, the first set of electric butterfly valves comprises a first electric butterfly valve 201, a third electric butterfly valve 203, a fifth electric butterfly valve 205 and a seventh electric butterfly valve 207; the first electric butterfly valve 201 is arranged on the first pipeline 11 in the first set of waterway switching device 10; the third electric butterfly valve 203 is arranged on the third pipeline 33 in the first set of waterway switching device 10; a fifth electric butterfly valve 205 is arranged on the first pipeline 11 in the second set of waterway switching device 20; a seventh electric butterfly valve 207 is arranged on the third pipeline 33 in the second waterway switching device 20; the second set of electric butterfly valves includes a second electric butterfly valve 202, a fourth electric butterfly valve 204, a sixth electric butterfly valve 206, and an eighth electric butterfly valve 208; a second electric butterfly valve 202 is arranged on the second pipeline 22 in the first set of waterway switching device 10; a fourth electric butterfly valve 204 is arranged on the fourth pipeline 44 in the first set of waterway switching device 10; a sixth electric butterfly valve 206 is arranged on the second pipeline 22 in the second waterway switching device 20; an eighth electric butterfly valve 208 is provided on the fourth pipe 44 in the second waterway switching device 20.
In an alternative embodiment, the pressure sensors 3 are arranged on four delivery pipes in the first waterway switching device 10 and four delivery pipes in the second waterway switching device 20; the pressure sensor 3 is connected with a pressure display instrument 6 through a communication cable 5 in a communication way.
In an alternative embodiment, the manual control butterfly valve 1 is disposed on each of the four delivery pipes of the first waterway switching device 10 and the four delivery pipes of the second waterway switching device 20.
The utility model discloses in, the staff switches the state of opening and close of first electric butterfly valves and second electric butterfly valves through electric butterfly valve controller 7, and it is convenient to switch, realizes carrying out the purpose that the water route switched from heat pump system inside to be used for the refrigeration operating mode in summer and the working condition that heats in winter.
Under the refrigeration working condition in summer, four electric butterfly valves in the first electric butterfly valve group are opened through the electric butterfly valve controller 7, four electric butterfly valves in the second electric butterfly valve group are closed, the refrigerant medium enters one electric butterfly valve in the first integrated water path switching equipment 10 in the first electric butterfly valve group through the outlet of the condenser of the heat pump unit, then enters the refrigerant circulating water pump from the suction inlet of the cooling side circulating water pump, enters the cold source circulation, passes through one electric butterfly valve in the second integrated water path switching equipment 20 in the first electric butterfly valve group through the cooling water supply port of the heat pump unit, and then enters the inlet of the condenser of the water/ground source heat pump unit, and the cooling side circulation is completed. The user side chilled water enters into the other electric butterfly valve in the first set of waterway switching equipment 10 in the first electric butterfly valve set through the outlet of the evaporator of the heat pump set, then enters into the air conditioner side circulating water pump from the suction inlet of the air conditioner circulating water pump, enters into the user circulation, passes through the other electric butterfly valve in the second set of waterway switching equipment 20 in the first set of waterway switching equipment through the user side water return port, and enters into the water/ground source heat pump set evaporator through the suction inlet of the evaporator of the heat pump set, so as to complete the air conditioner side circulation.
Under the working condition of heating in winter, four electric butterfly valves in the second electric butterfly valve group are opened through the electric butterfly valve controller 7, and four electric butterfly valves in the first electric butterfly valve group are closed, air-conditioning side hot water enters one electric butterfly valve in the first set of water path switching equipment 10 in the valve second electric butterfly valve group through the outlet of a heat pump unit condenser, and then enters an air-conditioning side circulating water pump from an air-conditioning circulating water pump suction inlet, enters user circulation, and enters an air-conditioning side condenser inlet through one electric butterfly valve in the second set of water path switching equipment 10 in the second electric butterfly valve group through a user side water return port, and finally the air-conditioning side circulation is completed. Refrigerant medium enters the other electric butterfly valve in the first set of waterway switching equipment 10 in the second electric butterfly valve set through the outlet of the evaporator of the heat pump set, then enters the circulating water pump at the cooling side from the circulating water pump suction inlet at the cooling side, and enters the evaporator of the water/ground source heat pump set through the other electric butterfly valve in the second set of waterway switching equipment 10 in the cooling water supply inlet of the heat pump set, so as to complete the circulation at the heat source side.
It is to be understood that the above-described embodiments of the present invention are merely illustrative of or explaining the principles of the invention and are not to be construed as limiting the invention. Therefore, any modification, equivalent replacement, improvement and the like made without departing from the spirit and scope of the present invention should be included in the protection scope of the present invention. Further, it is intended that the appended claims cover all such variations and modifications as fall within the scope and boundaries of the appended claims or the equivalents of such scope and boundaries.

Claims (5)

1. A waterway switching device for a heat pump system is characterized by comprising a first waterway switching device (10) and a second waterway switching device (20); the first set of waterway switching equipment (10) and the second set of waterway switching equipment (20) comprise conveying pipe sets; the conveying pipe group comprises four conveying pipes and four connecting pipes; the four conveying pipes are sequentially connected end to end in an annular shape; four head-tail joints of the four conveying pipes are correspondingly connected to one ends of the four connecting pipes respectively; the other ends of the four connecting pipes are connected with connecting flanges (4); a first electric butterfly valve group and a second electric butterfly valve group are arranged on the first set of waterway switching equipment (10) and the second set of waterway switching equipment (20); the first electric butterfly valve group and the second electric butterfly valve group are both connected with an electric butterfly valve controller (7) through communication cables (5); the first electric butterfly valve group and the second electric butterfly valve group comprise four electric butterfly valves; two electric butterfly valves in the first electric butterfly valve group are respectively arranged on two opposite conveying pipes in the first set of waterway switching equipment (10), the other two electric butterfly valves in the first electric butterfly valve group are respectively arranged on two opposite conveying pipes in the second set of waterway switching equipment (20), and the two opposite conveying pipes in the second set of waterway switching equipment (20) are the same as the two opposite conveying pipes in the first set of waterway switching equipment (10); two electric butterfly valves in the second electric butterfly valve group are respectively arranged on the other two conveying pipes in the first set of waterway switching equipment (10), and the other two electric butterfly valves in the second electric butterfly valve group are respectively arranged on the other two conveying pipes in the second set of waterway switching equipment (20).
2. The waterway switching device for a heat pump system according to claim 1, wherein the four ducts are a first duct (11), a second duct (22), a third duct (33) and a fourth duct (44), respectively; the first pipeline (11), the second pipeline (22), the third pipeline (33) and the fourth pipeline (44) are sequentially connected end to end; the four connecting pipes are respectively a fifth pipeline (55), a sixth pipeline (66), a seventh pipeline (77) and an eighth pipeline (88); one end of a fifth pipeline (55) is communicated with the first pipeline (11) and the fourth pipeline (44), and the other end of the fifth pipeline (55) is connected with the connecting flange (4); one end of a sixth pipeline (66) is communicated with the first pipeline (11) and the second pipeline (22), and the other end of the sixth pipeline (66) is connected with the connecting flange (4); one end of a seventh pipeline (77) is communicated with the second pipeline (22) and the third pipeline (33), and the other end of the seventh pipeline (77) is connected with the connecting flange (4); one end of the eighth pipeline (88) is communicated with the third pipeline (33) and the fourth pipeline (44), and the other end of the eighth pipeline (88) is connected with the connecting flange (4).
3. The waterway switching device for a heat pump system according to claim 2, wherein the first set of electric butterfly valves includes a first electric butterfly valve (201), a third electric butterfly valve (203), a fifth electric butterfly valve (205), and a seventh electric butterfly valve (207); the first electric butterfly valve (201) is arranged on a first pipeline (11) in the first set of waterway switching equipment (10); a third electric butterfly valve (203) is arranged on a third pipeline (33) in the first set of waterway switching equipment (10); the fifth electric butterfly valve (205) is arranged on the first pipeline (11) in the second waterway switching device (20); a seventh electric butterfly valve (207) is arranged on a third pipeline (33) in the second waterway switching device (20); the second electric butterfly valve group comprises a second electric butterfly valve (202), a fourth electric butterfly valve (204), a sixth electric butterfly valve (206) and an eighth electric butterfly valve (208); the second electric butterfly valve (202) is arranged on the second pipeline (22) in the first set of waterway switching equipment (10); a fourth electric butterfly valve (204) is arranged on a fourth pipeline (44) in the first set of waterway switching device (10); a sixth electric butterfly valve (206) is arranged on a second pipeline (22) in the second waterway switching device (20); an eighth electric butterfly valve (208) is arranged on a fourth pipeline (44) in the second waterway switching device (20).
4. The waterway switching device for heat pump system according to claim 1, wherein the pressure sensors (3) are arranged on four delivery pipes in the first waterway switching device (10) and four delivery pipes in the second waterway switching device (20); the pressure sensor (3) is connected with a pressure display instrument (6) through a communication cable (5) in a communication way.
5. The waterway switching device for heat pump system according to claim 1, wherein a manual control butterfly valve (1) is disposed on each of the four delivery pipes of the first waterway switching device (10) and the four delivery pipes of the second waterway switching device (20).
CN201920614197.6U 2019-04-30 2019-04-30 Waterway switching device for heat pump system Active CN210602361U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201920614197.6U CN210602361U (en) 2019-04-30 2019-04-30 Waterway switching device for heat pump system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201920614197.6U CN210602361U (en) 2019-04-30 2019-04-30 Waterway switching device for heat pump system

Publications (1)

Publication Number Publication Date
CN210602361U true CN210602361U (en) 2020-05-22

Family

ID=70690698

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201920614197.6U Active CN210602361U (en) 2019-04-30 2019-04-30 Waterway switching device for heat pump system

Country Status (1)

Country Link
CN (1) CN210602361U (en)

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