CN217541129U - Cold and hot self-balancing device - Google Patents
Cold and hot self-balancing device Download PDFInfo
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- CN217541129U CN217541129U CN202221275230.5U CN202221275230U CN217541129U CN 217541129 U CN217541129 U CN 217541129U CN 202221275230 U CN202221275230 U CN 202221275230U CN 217541129 U CN217541129 U CN 217541129U
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Abstract
The utility model relates to a cold and hot circulation system technical field, in particular to cold and hot self-balancing unit, including cold water supply circulation circuit, hot water supply circulation circuit, return water bypass governing valve, water supply bypass governing valve and cold and hot balanced heat exchanger, state that cold water supply circulation circuit includes the cold water pump, cold source return water governing valve, cold balance return water governing valve, cold source water supply governing valve and cold balance water supply governing valve, water supply circulation circuit includes the hot-water pump, heat source return water governing valve, heat balance return water governing valve, heat source water supply governing valve and heat balance water supply governing valve, through the tube coupling between each valve and the cold and hot water pump, realize solving the cold in the prior art, the unable interconversion of hot water operating mode and the condition that the water supply temperature can not be adjusted.
Description
Technical Field
The utility model relates to a cold and hot circulation system technical field, in particular to cold and hot self-balancing unit.
Background
The four-pipe refrigeration and hot water circulating system is widely applied to the field of heating ventilation and air conditioning and is the most commonly used central air conditioning water system at present. In the field of heating ventilation air conditioners, cold water and hot water prepared by cold and heat source equipment continuously provide cold energy and heat energy for tail end air conditioning equipment through a four-pipe refrigeration and hot water circulating system, and cold source and heat source guarantee is provided for cooling, heating and dehumidifying of the tail end air conditioning equipment.
The four-pipe refrigeration and hot water circulating system in the prior art has the problems that the working conditions of cold water and hot water cannot be mutually converted and the water supply temperature cannot be adjusted. On one hand, a cold water pipe and a return water pipe in the four-pipe refrigeration and hot water circulating system can only carry out cold water circulation, and when the tail end air conditioning equipment needs to supply cold water or hot water at the same time, the existing four-pipe refrigeration and hot water circulating system cannot meet the requirement. On the other hand, the inlet water temperature of the tail-end air conditioning equipment is limited by the cold and heat source water supply temperature and cannot be adjusted, and when the inlet water temperature of the tail-end air conditioning equipment needs to be changed, the existing four-pipe refrigeration and hot water circulating system cannot meet the requirement.
SUMMERY OF THE UTILITY MODEL
In order to overcome the defects of the prior art, the utility model aims to solve the technical problems that: the cold and hot self-balancing device solves the problems that cold and hot water working conditions cannot be mutually converted and the water supply temperature cannot be adjusted in the prior art.
In order to solve the technical problem, the utility model discloses a technical scheme be:
a cold and hot self-balancing device comprises a cold water supply circulation loop, a hot water supply circulation loop, a return water bypass adjusting valve, a water supply bypass adjusting valve and a cold and hot balance heat exchanger;
the cold water supply circulation loop comprises a cold water pump, a cold source return water regulating valve, a cold balance return water regulating valve, a cold source water supply regulating valve and a cold balance water supply regulating valve, one end of the cold water pump is connected with one end of an external heat pump host, the other end of the cold water pump is respectively connected with one end of the cold balance return water regulating valve and one end of the cold source return water regulating valve, the other end of the cold balance return water regulating valve is connected with a cold and heat balance heat exchanger, the other end of the cold source return water regulating valve is respectively connected with one end of a return water bypass regulating valve and an external cold coil pipe, one end of the cold source water supply regulating valve is respectively connected with one end of the cold balance water supply regulating valve and the external heat pump host, the other end of the cold balance water supply regulating valve is connected with the cold and heat balance heat exchanger, and the other end of the cold source water supply regulating valve is respectively connected with one end of the water supply bypass regulating valve and the external cold coil pipe;
the hot water supply circulation loop comprises a hot water pump, a heat source return water regulating valve, a heat balance return water regulating valve, a heat source water supply regulating valve and a heat balance water supply regulating valve, one end of the hot water pump is connected with one end of an external heat pump host, the other end of the hot water pump is respectively connected with one end of the heat balance return water regulating valve and one end of the heat source return water regulating valve, the other end of the heat balance return water regulating valve is connected with a cold-heat balance heat exchanger, the other end of the heat source return water regulating valve is respectively connected with the other end of a return water bypass regulating valve and an external heat coil pipe, one end of the heat source water supply regulating valve is respectively connected with one end of the heat balance water supply regulating valve and the external heat pump host, the other end of the heat balance water supply regulating valve is connected with the cold-heat balance heat exchanger, and the other end of the heat source water supply regulating valve is respectively connected with the other end of the water supply bypass regulating valve and the external heat coil pipe.
Further, cold water supply circulation loop still includes cold source outlet pipe, cold water constant pressure pipe, cold water pump inlet tube, cold balanced wet return, cold source wet return, cold balanced delivery pipe and cold source delivery pipe, go out water piping connection through the cold source between cold water pump and the heat pump host computer, the one end of cold water constant pressure pipe is connected with the other end of cold water pump, advance water piping connection through the cold water pump between cold water pump and the cold source return water governing valve, through cold balanced wet return between cold balanced wet return and the cold heat balance heat exchanger, be connected through the cold source wet return between cold source return water governing valve and the cold coil pipe, through cold balanced delivery piping connection between cold balanced water supply governing valve and the cold heat balance heat exchanger, through cold source delivery piping connection between cold source water supply governing valve and the cold coil pipe.
Furthermore, the hot water supply circulation loop further comprises a heat source water outlet pipe, a hot water constant pressure pipe, a hot water pump water inlet pipe, a heat balance water return pipe, a heat source water return pipe, a heat balance water supply pipe and a heat source water supply pipe, the hot water pump is connected with the heat pump host through a heat source water outlet pipe, one end of the hot water constant pressure pipe is connected with the other end of the hot water pump, the hot water pump is connected with the heat source water return regulating valve through a hot water pump water inlet pipe, the heat balance water return valve is connected with the cold and heat balance heat exchanger through a heat balance water return pipe, the heat source water return regulating valve is connected with the heat coil pipe through a heat source water return pipe, the heat balance water supply regulating valve is connected with the cold and heat balance heat exchanger through a heat balance water supply pipe, and the heat source water supply regulating valve is connected with the heat coil pipe through a heat source water supply pipe.
Furthermore, a cold-hot balance fan is arranged on the cold-hot balance heat exchanger.
The beneficial effects of the utility model reside in that:
by arranging a cold water supply circulation loop, a hot water supply circulation loop, a return water bypass regulating valve, a water supply bypass regulating valve and a cold-heat balance heat exchanger, the cold water supply circulation loop comprises a cold water pump, a cold source return water regulating valve, a cold balance return water regulating valve, a cold source water supply regulating valve and a cold balance water supply regulating valve, the hot water supply circulation loop comprises a hot water pump, a heat source return water regulating valve, a heat balance return water regulating valve, a heat source water supply regulating valve and a heat balance water supply regulating valve, when the cold balance water supply regulating valve, the cold balance return water regulating valve, the heat balance water supply regulating valve, the heat balance return water regulating valve, the water supply bypass regulating valve and the return water bypass regulating valve are closed, other valves are opened, the cold source water supply pipe and the cold source water return pipe are in a cold supply circulation working condition, and the heat source water supply pipe and the heat source water return pipe are in a heat supply circulation working condition; when the cold source return water regulating valve, the cold source water supply regulating valve, the heat balance water supply regulating valve and the heat balance return water regulating valve are closed, the other valves are opened, the cold source water supply pipe and the cold source return water pipe can be converted into a heat supply circulation working condition, and the cold balance water supply pipe and the cold balance return water pipe are used for a cold supply circulation working condition; the heat source water supply pipe and the heat source water return pipe can be converted into a cold supply circulation working condition by closing the heat source water return regulating valve, the heat source water supply regulating valve, the cold balance water supply regulating valve and the heat balance water return regulating valve and opening other valves, and the heat balance water supply pipe and the heat balance water return pipe are in a heat supply circulation working condition; when the heat balance water supply regulating valve and the heat balance water return regulating valve are closed, the valve openings of the cold balance water supply regulating valve, the cold balance water return regulating valve, the cold source water return regulating valve and the cold source water supply regulating valve are regulated, and the outlet water temperature of the cold source water supply pipe is changed; when the cold balance water supply regulating valve and the cold balance water return regulating valve are closed, the valve openings of the heat balance water supply regulating valve, the heat balance water return regulating valve, the heat source water return regulating valve and the heat source water supply regulating valve are regulated, and the outlet water temperature of a heat source water supply pipe is changed; therefore, the problems that the cold and hot water working conditions can not be mutually converted and the water supply temperature can not be adjusted in the prior art are solved.
Drawings
Fig. 1 is a schematic structural view of a cold and hot self-balancing device according to the present invention;
description of reference numerals:
1. a cold water pump; 2. a cold source backwater regulating valve; 3. a cold balance return water regulating valve; 4. the cold source supplies water to the damper; 5. a cold balance water supply regulating valve; 6. a hot water pump; 7. a heat source return water regulating valve; 8. a heat balance return water regulating valve; 9. a heat source water supply regulating valve; 10. a thermally balanced water supply regulating valve; 11. a return water bypass regulating valve; 12. a water supply bypass regulating valve; 13. a cold-heat balance heat exchanger; 14. a cold source water outlet pipe; 15. a cold water constant pressure pipe; 16. a water inlet pipe of a cold water pump; 17. a cold balance water return pipe; 18. a cold source water return pipe; 19. a cold balance water supply pipe; 20. a cold source water supply pipe; 21. a heat source water outlet pipe; 22. a hot water constant pressure pipe; 23. a water inlet pipe of a hot water pump; 24. a heat balance water return pipe; 25. a heat source water return pipe; 26. a thermally balanced water supply pipe; 27. a heat source water supply pipe; 28. a cold-heat balance fan; 29. a cold source water inlet pipe; 30. a heat source water inlet pipe.
Detailed Description
In order to explain the technical contents, the objects and the effects of the present invention in detail, the following description is made with reference to the accompanying drawings in combination with the embodiments.
Referring to fig. 1, the technical solution provided by the present invention is:
a cold and hot self-balancing device comprises a cold water supply circulation loop, a hot water supply circulation loop, a return water bypass adjusting valve, a water supply bypass adjusting valve and a cold and hot balance heat exchanger;
the cold water supply circulation loop comprises a cold water pump, a cold source return water regulating valve, a cold balance return water regulating valve, a cold source water supply regulating valve and a cold balance water supply regulating valve, one end of the cold water pump is connected with one end of an external heat pump host, the other end of the cold water pump is respectively connected with one end of the cold balance return water regulating valve and one end of the cold source return water regulating valve, the other end of the cold balance return water regulating valve is connected with a cold and heat balance heat exchanger, the other end of the cold source return water regulating valve is respectively connected with one end of a return water bypass regulating valve and an external cold coil pipe, one end of the cold source water supply regulating valve is respectively connected with one end of the cold balance water supply regulating valve and the external heat pump host, the other end of the cold balance water supply regulating valve is connected with the cold and heat balance heat exchanger, and the other end of the cold source water supply regulating valve is respectively connected with one end of the water supply bypass regulating valve and the external cold coil pipe;
the hot water supply circulation loop comprises a hot water pump, a heat source return water regulating valve, a heat balance return water regulating valve, a heat source water supply regulating valve and a heat balance water supply regulating valve, one end of the hot water pump is connected with one end of an external heat pump host, the other end of the hot water pump is respectively connected with one end of the heat balance return water regulating valve and one end of the heat source return water regulating valve, the other end of the heat balance return water regulating valve is connected with a cold-heat balance heat exchanger, the other end of the heat source return water regulating valve is respectively connected with the other end of a return water bypass regulating valve and an external heat coil pipe, one end of the heat source water supply regulating valve is respectively connected with one end of the heat balance water supply regulating valve and the external heat pump host, the other end of the heat balance water supply regulating valve is connected with the cold-heat balance heat exchanger, and the other end of the heat source water supply regulating valve is respectively connected with the other end of the water supply bypass regulating valve and the external heat coil pipe.
From the above description, the beneficial effects of the utility model reside in that:
by arranging a cold water supply circulation loop, a hot water supply circulation loop, a return water bypass regulating valve, a water supply bypass regulating valve and a cold-heat balance heat exchanger, the cold water supply circulation loop comprises a cold water pump, a cold source return water regulating valve, a cold balance return water regulating valve, a cold source water supply regulating valve and a cold balance water supply regulating valve, the hot water supply circulation loop comprises a hot water pump, a heat source return water regulating valve, a heat balance return water regulating valve, a heat source water supply regulating valve and a heat balance water supply regulating valve, when the cold balance water supply regulating valve, the cold balance return water regulating valve, the heat balance water supply regulating valve, the heat balance return water regulating valve, the water supply bypass regulating valve and the return water bypass regulating valve are closed, other valves are opened, the cold source water supply pipe and the cold source water return pipe are in a cold supply circulation working condition, and the heat source water supply pipe and the heat source water return pipe are in a heat supply circulation working condition; when the cold source return water regulating valve, the cold source water supply regulating valve, the heat balance water supply regulating valve and the heat balance return water regulating valve are closed, the other valves are opened, the cold source water supply pipe and the cold source return water pipe can be converted into a heat supply circulation working condition, and the cold balance water supply pipe and the cold balance return water pipe are used for a cold supply circulation working condition; the heat source water supply pipe and the heat source water return pipe can be converted into a cold supply circulation working condition by closing the heat source water return regulating valve, the heat source water supply regulating valve, the cold balance water supply regulating valve and the heat balance water return regulating valve and opening other valves, and the heat balance water supply pipe and the heat balance water return pipe are in a heat supply circulation working condition; when the heat balance water supply regulating valve and the heat balance water return regulating valve are closed, the valve openings of the cold balance water supply regulating valve, the cold balance water return regulating valve, the cold source water return regulating valve and the cold source water supply regulating valve are regulated, and the outlet water temperature of the cold source water supply pipe is changed; when the cold balance water supply regulating valve and the cold balance water return regulating valve are closed, the valve openings of the heat balance water supply regulating valve, the heat balance water return regulating valve, the heat source water return regulating valve and the heat source water supply regulating valve are regulated, and the outlet water temperature of a heat source water supply pipe is changed; therefore, the problems that the cold water working condition and the hot water working condition can not be mutually converted and the water supply temperature can not be adjusted in the prior art are solved.
Further, cold water supply circulation loop still includes cold source outlet pipe, cold water constant pressure pipe, cold water pump inlet tube, cold balanced wet return, cold source wet return, cold balanced delivery pipe and cold source delivery pipe, go out water piping connection through the cold source between cold water pump and the heat pump host computer, the one end of cold water constant pressure pipe is connected with the other end of cold water pump, advance water piping connection through the cold water pump between cold water pump and the cold source return water governing valve, through cold balanced wet return between cold balanced wet return and the cold heat balance heat exchanger, be connected through the cold source wet return between cold source return water governing valve and the cold coil pipe, through cold balanced delivery piping connection between cold balanced water supply governing valve and the cold heat balance heat exchanger, through cold source delivery piping connection between cold source water supply governing valve and the cold coil pipe.
Furthermore, the hot water supply circulation loop further comprises a heat source water outlet pipe, a hot water constant-pressure pipe, a hot water pump water inlet pipe, a heat balance water return pipe, a heat source water return pipe, a heat balance water supply pipe and a heat source water supply pipe, the hot water pump is connected with the heat pump host through the heat source water outlet pipe, one end of the hot water constant-pressure pipe is connected with the other end of the hot water pump, the hot water pump is connected with the heat source water return regulating valve through the hot water pump water inlet pipe, the heat balance water return valve is connected with the cold and heat balance heat exchanger through the heat balance water return pipe, the heat source water return regulating valve is connected with the heat coil pipe through the heat source water return pipe, the heat balance water supply regulating valve is connected with the cold and heat balance heat exchanger through the heat balance water supply pipe, and the heat source water supply regulating valve is connected with the heat coil pipe through the heat source water supply pipe.
Furthermore, a cold-hot balance fan is arranged on the cold-hot balance heat exchanger.
As can be seen from the above description, the cold and hot air balance blower is disposed on the cold and hot heat exchanger to transport cold air or hot air indoors, and transport the hot air or cold air indoors to outdoors through the pipeline, so as to achieve the effect of cooling or heating.
Referring to fig. 1, a first embodiment of the present invention is:
a cold and hot self-balancing device comprises a cold water supply circulation loop, a hot water supply circulation loop, a return water bypass adjusting valve 11, a water supply bypass adjusting valve 12 and a cold and hot balance heat exchanger 13;
the cold water supply circulation loop comprises a cold water pump 1, a cold source water return regulating valve 2, a cold balance water return regulating valve 3, a cold source water supply regulating valve 4 and a cold balance water supply regulating valve 5, one end of the cold water pump 1 is connected with one end of an external heat pump host, the other end of the cold water pump 1 is respectively connected with one end of the cold balance water return regulating valve 3 and one end of the cold source water return regulating valve 2, the other end of the cold balance water return regulating valve 3 is connected with a cold and heat balance heat exchanger 13, the other end of the cold source water return regulating valve 2 is respectively connected with one end of a return bypass regulating valve 11 and an external cold coil pipe, one end of the cold source water supply regulating valve 4 is respectively connected with one end of the cold balance water supply regulating valve 5 and the external heat pump host, the other end of the cold balance regulating valve 5 is connected with the cold and heat balance heat exchanger 13, and the other end of the cold source water supply regulating valve 4 is respectively connected with one end of a water supply regulating valve 12 and the external cold coil pipe;
the hot water supply circulation loop comprises a hot water pump 6, a heat source return water regulating valve 7, a heat balance return water regulating valve 8, a heat source water supply regulating valve 9 and a heat balance water supply regulating valve 10, one end of the hot water pump 6 is connected with one end of an external heat pump host, the other end of the hot water pump 6 is connected with one end of the heat balance return water regulating valve 8 and one end of the heat source return water regulating valve 7 respectively, the other end of the heat balance return water regulating valve 8 is connected with a cold and heat balance heat exchanger 13, the other end of the heat source return water regulating valve 7 is connected with the other end of a return water bypass regulating valve 11 and an external heat coil respectively, one end of the heat source water supply regulating valve 9 is connected with one end of the heat balance water supply regulating valve 10 and the external heat pump host respectively, the other end of the heat balance water supply regulating valve 10 is connected with the cold and heat balance heat exchanger 13, and the other end of the heat source water supply regulating valve 9 is connected with the other end of a water bypass regulating valve 12 and the external heat coil respectively.
The cold water supply circulation loop further comprises a cold source water outlet pipe 14, a cold water constant-pressure pipe 15, a cold water pump water inlet pipe 16, a cold balance water return pipe 17, a cold source water return pipe 18, a cold balance water supply pipe 19 and a cold source water supply pipe 20, the cold water pump 1 is connected with the heat pump host through the cold source water outlet pipe 14, one end of the cold water constant-pressure pipe 15 is connected with the other end of the cold water pump 1, the cold water pump 1 is connected with the cold source water return regulating valve 2 through the cold water pump water inlet pipe 16, the cold balance water return valve is connected with the cold and heat balance heat exchanger 13 through the cold balance water return pipe 17, the cold source water return regulating valve 2 is connected with the cold coil pipe through the cold source water return pipe 18, the cold balance water supply regulating valve 5 is connected with the cold and heat balance heat exchanger 13 through the balance water supply pipe 19, and the cold source water supply regulating valve 4 is connected with the cold coil pipe through the cold source water supply pipe 20.
The hot water supply circulation loop further comprises a heat source water outlet pipe 21, a hot water constant pressure pipe 22, a hot water pump water inlet pipe 23, a heat balance water return pipe 24, a heat source water return pipe 25, a heat balance water supply pipe 26 and a heat source water supply pipe 27, the hot water pump 6 is connected with the heat pump host through the heat source water outlet pipe 21, one end of the hot water constant pressure pipe 22 is connected with the other end of the hot water pump 6, the hot water pump 6 is connected with the heat source water return regulating valve 7 through the hot water pump water inlet pipe 23, the heat balance water return valve is connected with the cold and heat balance heat exchanger 13 through the heat balance water return pipe 24, the heat source water return regulating valve 7 is connected with the heat coil pipe through the heat source water return pipe 25, the heat balance water supply regulating valve 10 is connected with the cold and heat balance heat exchanger 13 through the heat balance water supply pipe 26, and the heat source water supply regulating valve 9 is connected with the heat coil pipe through the heat source water supply pipe 27.
One end of the cold source water supply regulating valve 4 is connected with the heat pump host through a cold source water inlet pipe 29, and one end of the heat source water supply regulating valve 9 is connected with the heat pump host through a heat source water inlet pipe 30.
And a cold-heat balance fan 28 is arranged on the cold-heat balance heat exchanger 13.
The valve apertures of the cold source return water regulating valve 2, the cold source water supply regulating valve 4, the heat source return water regulating valve 7, the heat source water supply regulating valve 9, the cold balance water supply regulating valve 5, the cold balance return water regulating valve 3, the heat balance water supply regulating valve 10, the heat balance return water regulating valve 8, the water supply bypass regulating valve 12 and the return water bypass regulating valve 11 designed by the scheme have adjustable functions.
The working principle of the cold and hot self-balancing device is as follows:
the cold and hot working conditions can be switched, and the operation is as follows:
closing the cold balance water supply regulating valve 5, the cold balance water return regulating valve 3, the heat balance water supply regulating valve 10, the heat balance water return regulating valve 8, the water supply bypass regulating valve 12 and the water return bypass regulating valve 11, and opening the rest valves, wherein the cold source water supply pipe 20 and the cold source water return pipe 18 are in a cold supply circulation working condition, and the heat source water supply pipe 27 and the heat source water return pipe 25 are in a heat supply circulation working condition;
the cold source backwater regulating valve 2, the cold source water supply regulating valve 4, the heat balance water supply regulating valve 10 and the heat balance backwater regulating valve 8 are closed, and the rest valves are opened, so that the cold source water supply pipe 20 and the cold source backwater pipe 18 can be converted into a heating circulation working condition, and the cold balance water supply pipe 19 and the cold balance backwater pipe 17 are in a cooling circulation working condition;
the heat source water return regulating valve 7, the heat source water supply regulating valve 9, the cold balance water supply regulating valve 5 and the heat balance water return regulating valve 8 are closed, and other valves are opened, so that the heat source water supply pipe 27 and the heat source water return pipe 25 can be converted into a cooling circulation working condition, and the heat balance water supply pipe 26 and the heat balance water return pipe 24 are in a heating circulation working condition.
2. The water supply temperature can be adjusted, and the concrete operation is as follows: closing the heat balance water supply regulating valve 10 and the heat balance water return regulating valve 8, regulating the valve openings of the cold balance water supply regulating valve 5, the cold balance water return regulating valve 3, the cold source water return regulating valve 2 and the cold source water supply regulating valve 4, and changing the outlet water temperature of the cold source water supply pipe 20;
and closing the cold balance water supply regulating valve 5 and the cold balance water return regulating valve 3, regulating the valve openings of the heat balance water supply regulating valve 10, the heat balance water return regulating valve 8, the heat source water return regulating valve 7 and the heat source water supply regulating valve 9, and changing the outlet water temperature of the heat source water supply pipe 27.
To sum up, the utility model provides a pair of cold and hot self-balancing device, through setting up cold water supply circulation loop, hot water supply circulation loop, return water bypass governing valve, water supply bypass governing valve and cold and hot balanced heat exchanger, cold water supply circulation loop includes the cold water pump, cold source return water governing valve, cold balance return water governing valve, cold source water supply governing valve and cold balance water supply governing valve, hot water supply circulation loop includes the hot water pump, heat source return water governing valve, heat balance return water governing valve, heat source water supply governing valve and heat balance water supply governing valve, make like this when closing cold balance water supply governing valve, cold balance return water governing valve, heat balance water supply governing valve, heat balance return water governing valve, water supply bypass governing valve and return water bypass governing valve, open all the other valves, cold source delivery pipe, the cold source return pipe is for supplying cold circulation operating mode, heat source delivery pipe, heat source return water pipe are for heat supply circulation operating mode; when the cold source return water regulating valve, the cold source water supply regulating valve, the heat balance water supply regulating valve and the heat balance return water regulating valve are closed, the other valves are opened, the cold source water supply pipe and the cold source return water pipe can be converted into a heating circulation working condition, and the cold balance water supply pipe and the cold balance return water pipe are used for a cooling circulation working condition; the heat source water supply pipe and the heat source water return pipe can be converted into a cold supply circulation working condition by closing the heat source water return regulating valve, the heat source water supply regulating valve, the cold balance water supply regulating valve and the heat balance water return regulating valve and opening other valves, and the heat balance water supply pipe and the heat balance water return pipe are in a heat supply circulation working condition; when the heat balance water supply regulating valve and the heat balance water return regulating valve are closed, the valve openings of the cold balance water supply regulating valve, the cold balance water return regulating valve, the cold source water return regulating valve and the cold source water supply regulating valve are regulated, and the outlet water temperature of the cold source water supply pipe is changed; when the cold balance water supply regulating valve and the cold balance water return regulating valve are closed, the valve openings of the heat balance water supply regulating valve, the heat balance water return regulating valve, the heat source water return regulating valve and the heat source water supply regulating valve are regulated, and the outlet water temperature of a heat source water supply pipe is changed; therefore, the problems that the cold water working condition and the hot water working condition can not be mutually converted and the water supply temperature can not be adjusted in the prior art are solved.
The above mentioned is only the embodiment of the present invention, and not the limitation of the patent scope of the present invention, all the equivalent transformations made by the contents of the specification and the drawings, or the direct or indirect application in the related technical field, are included in the patent protection scope of the present invention.
Claims (4)
1. A cold and heat self-balancing device is characterized by comprising a cold water supply circulation loop, a hot water supply circulation loop, a return water bypass adjusting valve, a water supply bypass adjusting valve and a cold and heat balance heat exchanger;
the cold water supply circulation loop comprises a cold water pump, a cold source return water regulating valve, a cold balance return water regulating valve, a cold source water supply regulating valve and a cold balance water supply regulating valve, one end of the cold water pump is connected with one end of an external heat pump host, the other end of the cold water pump is respectively connected with one end of the cold balance return water regulating valve and one end of the cold source return water regulating valve, the other end of the cold balance return water regulating valve is connected with a cold and heat balance heat exchanger, the other end of the cold source return water regulating valve is respectively connected with one end of a return water bypass regulating valve and an external cold coil pipe, one end of the cold source water supply regulating valve is respectively connected with one end of the cold balance water supply regulating valve and the external heat pump host, the other end of the cold balance water supply regulating valve is connected with the cold and heat balance heat exchanger, and the other end of the cold source water supply regulating valve is respectively connected with one end of the water supply bypass regulating valve and the external cold coil pipe;
the hot water supply circulation loop comprises a hot water pump, a heat source return water regulating valve, a heat balance return water regulating valve, a heat source water supply regulating valve and a heat balance water supply regulating valve, one end of the hot water pump is connected with one end of an external heat pump host, the other end of the hot water pump is respectively connected with one end of the heat balance return water regulating valve and one end of the heat source return water regulating valve, the other end of the heat balance return water regulating valve is connected with a cold-heat balance heat exchanger, the other end of the heat source return water regulating valve is respectively connected with the other end of a return water bypass regulating valve and an external heat coil pipe, one end of the heat source water supply regulating valve is respectively connected with one end of the heat balance water supply regulating valve and the external heat pump host, the other end of the heat balance water supply regulating valve is connected with the cold-heat balance heat exchanger, and the other end of the heat source water supply regulating valve is respectively connected with the other end of the water supply bypass regulating valve and the external heat coil pipe.
2. A cold and hot self-balancing device according to claim 1, wherein the cold water supply circulation loop further comprises a cold source water outlet pipe, a cold water constant-pressure pipe, a cold water pump water inlet pipe, a cold balance water return pipe, a cold source water return pipe, a cold balance water supply pipe and a cold source water supply pipe, the cold water pump is connected with the heat pump host through the cold source water outlet pipe, one end of the cold water constant-pressure pipe is connected with the other end of the cold water pump, the cold water pump is connected with the cold source water return regulating valve through the cold water pump water inlet pipe, the cold balance water return valve is connected with the cold and hot balance heat exchanger through the cold balance water return pipe, the cold source water return regulating valve is connected with the cold coil pipe through the cold balance water supply pipe, and the cold balance water supply regulating valve is connected with the cold heat balance heat exchanger through the cold balance water supply pipe.
3. A cold and hot self-balancing device according to claim 1, wherein the hot water supply circulation loop further comprises a heat source water outlet pipe, a hot water constant pressure pipe, a hot water pump water inlet pipe, a heat balance water return pipe, a heat source water return pipe, a heat balance water supply pipe and a heat source water supply pipe, the hot water pump is connected with the heat pump host through the heat source water outlet pipe, one end of the hot water constant pressure pipe is connected with the other end of the hot water pump, the hot water pump is connected with the heat source water return regulating valve through the hot water pump water inlet pipe, the heat balance water return valve is connected with the cold and hot balance heat exchanger through the heat balance water return pipe, the heat source water return regulating valve is connected with the hot coil pipe through the heat source water return pipe, the heat balance water supply regulating valve is connected with the cold and hot balance heat exchanger through the heat balance water supply pipe, and the heat source water supply regulating valve is connected with the hot coil pipe through the heat source water supply pipe.
4. A cold and heat self-balancing device according to claim 1, wherein the cold and heat balance heat exchanger is provided with a cold and heat balance fan.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN202221275230.5U CN217541129U (en) | 2022-05-25 | 2022-05-25 | Cold and hot self-balancing device |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202221275230.5U CN217541129U (en) | 2022-05-25 | 2022-05-25 | Cold and hot self-balancing device |
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| CN217541129U true CN217541129U (en) | 2022-10-04 |
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| CN202221275230.5U Active CN217541129U (en) | 2022-05-25 | 2022-05-25 | Cold and hot self-balancing device |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115839566A (en) * | 2022-12-21 | 2023-03-24 | 中国建筑西南设计研究院有限公司 | Multi-mode four-pipe air source heat pump unit and operation control method thereof |
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2022
- 2022-05-25 CN CN202221275230.5U patent/CN217541129U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115839566A (en) * | 2022-12-21 | 2023-03-24 | 中国建筑西南设计研究院有限公司 | Multi-mode four-pipe air source heat pump unit and operation control method thereof |
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