Central heating self-heat-exchange and water source heat pump coupling system

Abstract

A central heating self-heat-exchange and water source heat pump coupling system comprises a water source heat pump main machine, a double-flow-channel heat exchanger, a central heating system and a heating tail end, the water source heat pump main machine comprises a compressor, an electronic expansion valve, a capillary tube, an evaporation water side heat exchanger and a condensate water side heat exchanger, and the central heating system comprises a water inlet pipeline and a water return pipeline; a first water path of the double-flow-channel heat exchanger is connected with a water heat exchange part of the evaporation water side heat exchanger in series or in parallel, a second water path of the double-flow-channel heat exchanger is connected with a water heat exchange part of the condensate water side heat exchanger in series or in parallel, and the second water path, the water heat exchange part of the condensate water side heat exchanger and heating tail end water circularly flow. The double-flow-channel heat exchanger and the water source heat pump cooperate, temperature rise is needed, and the water source heat pump works; during indoor heat preservation, the double-flow-channel heat exchanger works independently; under the condition that the water source heat pump is not powered on, the double-flow-channel heat exchanger maintains the temperature of the condensate water side heat exchanger and the heating tail end, and icing is prevented.

Description

Technical Field

[0001] The present invention relates to a heating device for families or offices. Background Art

[0002] In the current prior art, Chinese Patent No. 200920250182.2, an auxiliary heating device for centralized heating of residents. An auxiliary heating device composed of a water storage tank, an electric heating pipe, an oil storage pipe, and a heating pipe is installed on the radiator for centralized heating. During a period before and after the centralized heating stops, the auxiliary heating device is used to provide heat source for the radiator to solve the problem of heating during cold snap cooling before and after the centralized heating stops. The problem is that it cannot cooperate with the centralized heating system and work separately.

[0003] Such as Figure 1 shown, a heating system for centralized heating with heat pump temperature increase includes a water source heat pump main unit 1, a centralized heating system 2, and a heating terminal 3. The water source heat pump main unit 1 includes a compressor 11, an evaporative water side heat exchanger 12, and a condensing water side heat exchanger 13. The problem is that when no one lives in winter for a long time and the water source heat pump main unit is powered off, the condensing water side heat exchanger and the heating terminal are prone to icing; if the water source heat pump is powered on for a long time, it will cause waste. Summary of the Invention

[0004] The purpose of the present invention is to provide a centralized heating self-heat exchange and water source heat pump coupling system, with the characteristics of coordinated self-heat exchange and heat preservation and water source heat pump temperature increase.

[0005] The present invention is realized as follows: A centralized heating self-heat exchange and water source heat pump coupling system, characterized in that it includes a water source heat pump main unit, a two-flow channel heat exchanger, a centralized heating system, and a heating terminal.

[0006] The water source heat pump main unit includes a compressor, an electronic expansion valve, a capillary tube, an evaporative water side heat exchanger, and a condensing water side heat exchanger.

[0007] The centralized heating system includes a water inlet pipeline and a water return pipeline;

[0008] The first water path of the two-flow channel heat exchanger is connected in series or in parallel with the water heat exchange part of the evaporative water side heat exchanger, and the second water path of the two-flow channel heat exchanger is connected in series or in parallel with the water heat exchange part of the condensing water side heat exchanger. The second water path and the water heat exchange part of the condensing water side heat exchanger circulate with the heating terminal.

[0009] The described centralized heating self-heat exchange and water source heat pump coupling system is characterized in that it further includes a hydraulic automatic pump;

[0010] The hydraulic automatic pump includes a pump body, a driving water wheel, and a driven water wheel.

[0011] The pump body includes an active pump housing and a driven pump housing, the active pump housing is provided with an active water inlet interface and an active water outlet interface, and the driven pump housing is provided with a driven water inlet interface and a driven water outlet interface;

[0012] The driving water wheel and the driven water wheel are respectively arranged in the driving pump casing and the driven pump casing. The driven water wheel rotates with the driving water wheel. The driving water inlet interface is connected with the water inlet pipeline, and the active water outlet interface is connected with the water inlet end of the first water circuit; the driven water inlet interface is connected with the return water end of the heating end, and the driven water outlet interface is connected with the water inlet end of the second water circuit of the double-channel heat exchanger.

[0013] The central heating self-heat exchange and water source heat pump coupling system is special in that it also includes a pump shaft, which is pivotally connected to the active pump casing and the driven pump casing, and the active water wheel and the driven water wheel are respectively fixed to the pump shaft.

[0014] The central heating self-heat exchange and water source heat pump coupling system is special in that it also includes an active pump shaft and a driven pump shaft.

[0015] The active pump shaft and the driven pump shaft are pivotally connected to the active pump housing and the driven pump housing respectively, the active water wheel and the driven water wheel are fixed to the active pump shaft and the driven pump shaft respectively, and the active pump shaft and the driven pump shaft are magnetically attracted.

[0016] The said centralized heating self-heat exchange and water source heat pump coupling system is special in that it also includes a hydraulic double gear pump, which includes a driving pump and a driven pump;

[0017] The active pump is connected with the water inlet pipeline and the first water path of the double-flow channel heat exchanger, and the driven pump is connected with the return pipe at the heating end and the second water path of the double-flow channel heat exchanger.

[0018] The said centralized heating self-heat exchange and water source heat pump coupling system is special in that: the first water path of the said double-channel heat exchanger and the water heat exchange part of the evaporative water side heat exchanger are connected in parallel;

[0019] Or the first water path of the double-channel heat exchanger and the water heat exchange part of the evaporative water side heat exchanger are connected in series.

[0020] The central heating self-heat exchange and water source heat pump coupling system is special in that the second water path of the double-channel heat exchanger and the water heat exchange part of the condensate water side heat exchanger are connected in series or in conjunction.

[0021] The central heating self-heat exchange and water source heat pump coupling system is special in that a circulating water pump is provided at the return water end of the heating end.

[0022] The present invention discloses a centralized heating self-heat exchange and water source heat pump coupling system, in which a double-flow channel heat exchanger and a water source heat pump cooperate with each other. When the temperature needs to be raised, the water source heat pump works; when the indoor temperature is kept warm, the double-flow channel heat exchanger works alone; when the water source heat pump is not powered on, the double-flow channel heat exchanger maintains the temperature of the condensate side heat exchanger and the heating end to prevent freezing. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] Figure 1 It is a flow chart of the prior art.

[0024] Figure 2 It is a pipeline connection diagram of the first embodiment of the present invention.

[0025] Figure 3 It is a pipeline connection diagram of the second embodiment of the present invention.

[0026] Figure 4 It is a pipeline connection diagram of the third embodiment of the present invention.

[0027] Figure 5 It is the front view of automatic pump of the present invention.

[0028] Figure 6 yes Figure 5 A-A view of.

[0029] Figure 7 yes Figure 5 B-B view.

[0030] Figure 8 It is a stereogram of the automatic pump of the present invention. DETAILED DESCRIPTION

[0031] Embodiments of the present invention are described in detail below, examples of which are shown in the accompanying drawings, wherein the same or similar reference numerals throughout represent the same or similar elements or elements having the same or similar functions. The embodiments described below with reference to the accompanying drawings are exemplary and are only used to explain the present invention, and cannot be understood as limiting the present invention.

[0032] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "installed", "connected", and "connected" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a direct connection, or an indirect connection through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0033] like Figure 2 As shown, a central heating self-heat exchange and water source heat pump coupling system includes a water source heat pump host 1, a double-flow channel heat exchanger 4, a central heating system 2 and a heating terminal 3.

[0034] The water source heat pump host 1 includes a compressor 11, an electronic expansion valve (not shown), a capillary tube, an evaporation water side heat exchanger 12 and a condensation water side heat exchanger 13. The water source heat pump host 1 is a known technology and is only briefly described in the present invention.

[0035] The central heating system 2 includes a water inlet pipeline 21 and a water return pipeline 22; the central heating system 2 is provided by a heating company and is always in water flow;

[0036] The first water circuit of the double-flow channel heat exchanger 4 is connected in series or in parallel with the water heat exchange part of the evaporating water side heat exchanger 12, the second water circuit of the double-flow channel heat exchanger 4 is connected in series or in parallel with the water heat exchange part of the condensing water side heat exchanger 13, and the second water circuit and the water heat exchange part of the condensing water side heat exchanger 13 circulate with the water at the heating end 3.

[0037] like Figure 4 As shown, it also includes a hydraulic automatic pump 5;

[0038] The hydraulic automatic pump 5 comprises a pump body 51, a driving water wheel 52 and a driven water wheel 53.

[0039] The pump body 51 includes an active pump housing 511 and a driven pump housing 512. The active pump housing 511 is provided with an active water inlet interface 5111 and an active water outlet interface 5112. The driven pump housing 512 is provided with a driven water inlet interface 5121 and a driven water outlet interface 5122.

[0040] The driving water wheel 52 and the driven water wheel 53 are respectively arranged in the driving pump housing 511 and the driven pump housing 512, and the driven water wheel 53 rotates with the driving water wheel 52. The driving water inlet interface 5111 is connected to the water inlet pipeline 21, and the driving water outlet interface 5112 is connected to the water inlet end of the first water channel of the double-channel heat exchanger 4; the driven water inlet interface 5121 is connected to the return water end of the heating terminal 3, and the driven water outlet interface 5122 is connected to the water inlet end of the second water channel of the double-channel heat exchanger 4;

[0041] The water flow in the water collection heating system drives the active water wheel 52 to rotate, and the active water wheel 52 drives the driven water wheel 53 to rotate. When the driven water wheel 52 rotates, the return water of the heating terminal 3 is pressurized and flows quickly, promoting the flow of water in the heating terminal circuit. With this design, no power supply and water pump are required. As long as the water collection heating system is in working condition, water circulation can be achieved;

[0042] In the cold winter, when no one is using the home or office temporarily, the water source heat pump host 1 is not turned on, but the water circulation at the heating end can still be maintained to maintain a certain indoor temperature and prevent the water in the indoor pipes from freezing.

[0043] As a further improvement of the present invention, it also includes a pump shaft 54, which is pivotally connected to the active pump housing 511 and the driven pump housing 512, and the active water wheel 52 and the driven water wheel 53 are respectively fixed to the pump shaft.

[0044] The present invention can also be implemented as follows: it also includes a driving pump shaft and a driven pump shaft,

[0045] The active pump shaft and the driven pump shaft are pivotally connected to the active pump housing 511 and the driven pump housing 512 respectively, and the active water wheel 52 and the driven water wheel 53 are fixed to the active pump shaft and the driven pump shaft respectively, and the active pump shaft and the driven pump shaft are magnetically attracted.

[0046] The present invention can also be implemented as follows: it also includes a hydraulic double gear pump, the hydraulic double gear pump includes a driving pump and a driven pump;

[0047] The active pump is connected with the water inlet pipeline and the first water path of the double-flow channel heat exchanger, and the driven pump is connected with the return pipe at the heating end and the second water path of the double-flow channel heat exchanger.

[0048] like Figure 2 As shown: the first water path of the double-channel heat exchanger 4 and the water heat exchange part of the evaporation water side heat exchanger 12 are connected in parallel;

[0049] The first water path of the double-channel heat exchanger 4 and the water heat exchange portion of the condensed water side heat exchanger 13 are connected in parallel.

[0050] like Figure 3 As shown, the first water path of the double-channel heat exchanger 4 is connected in series with the water heat exchange part of the evaporation water side heat exchanger 12. The second water path of the double-channel heat exchanger 4 is connected in series with the water heat exchange part of the condensation water side heat exchanger 13.

[0051] like Figure 4 As shown, the first water path of the double-channel heat exchanger 4 is connected in parallel with the water heat exchange part of the evaporation water side heat exchanger 12. The first water path of the double-channel heat exchanger 4 is connected in parallel with the water heat exchange part of the condensation water side heat exchanger 13.

[0052] As a further improvement of the present invention: a circulating water pump 31 is provided at the return water end of the heating end 3 .

[0053] Although the embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the claims and their equivalents.

Claims

1. A central heating self-heat exchange and water source heat pump coupling system, characterized in that: Including water source heat pump host, double-flow channel heat exchanger, central heating system and heating terminal, The main unit of the water source heat pump includes a compressor, an electronic expansion valve, a capillary tube, a heat exchanger on the evaporating water side and a heat exchanger on the condensing water side. The central heating system includes water inlet and return pipes; The first water circuit of the double-flow channel heat exchanger is connected in series or in parallel with the water heat exchange part of the evaporating water side heat exchanger, the second water circuit of the double-flow channel heat exchanger is connected in series or in parallel with the water heat exchange part of the condensing water side heat exchanger, and the second water circuit and the water heat exchange part of the condensing water side heat exchanger circulate with the heating end water.

2. A central heating self-heat exchange and water source heat pump coupling system according to claim 1, characterized in that: Also included is a hydraulic automatic pump; The hydraulic automatic pump includes a pump body, a driving water wheel and a driven water wheel. The pump body includes an active pump housing and a driven pump housing, the active pump housing is provided with an active water inlet interface and an active water outlet interface, and the driven pump housing is provided with a driven water inlet interface and a driven water outlet interface; The driving water wheel and the driven water wheel are respectively arranged in the driving pump casing and the driven pump casing. The driven water wheel rotates with the driving water wheel. The driving water inlet interface is connected with the water inlet pipeline, and the active water outlet interface is connected with the water inlet end of the first water circuit; the driven water inlet interface is connected with the return water end of the heating end, and the driven water outlet interface is connected with the water inlet end of the second water circuit of the double-channel heat exchanger.

3. A central heating self-heat exchange and water source heat pump coupling system according to claim 2, characterized in that: It also includes a pump shaft, which is pivotally connected to the active pump housing and the driven pump housing, and the active water wheel and the driven water wheel are respectively fixed to the pump shaft.

4. A centralized heating self-heat exchange and water source heat pump coupling system according to claim 2, characterized in that: It also includes a driving pump shaft and a driven pump shaft, The active pump shaft and the driven pump shaft are pivotally connected to the active pump housing and the driven pump housing respectively, the active water wheel and the driven water wheel are fixed to the active pump shaft and the driven pump shaft respectively, and the active pump shaft and the driven pump shaft are magnetically attracted.

5. The central heating self-heat exchange and water source heat pump coupling system according to claim 1 is characterized in that: It also includes a hydraulic double gear pump, which includes a driving pump and a driven pump; The active pump is connected with the water inlet pipeline and the first water path of the double-flow channel heat exchanger, and the driven pump is connected with the return pipe at the heating end and the second water path of the double-flow channel heat exchanger.

6. A centralized heating self-heat exchange and water source heat pump coupling system according to claim 1, 2, 3, 4 or 5, characterized in that: The first water path of the dual-channel heat exchanger and the water heat exchange part of the evaporative water side heat exchanger are connected in parallel; Or the first water path of the double-channel heat exchanger and the water heat exchange part of the evaporative water side heat exchanger are connected in series.

7. A central heating self-heat exchange and water source heat pump coupling system according to claim 6, characterized in that: The second water path of the double-channel heat exchanger and the water heat exchange part of the condensed water side heat exchanger are connected in series or in conjunction.

8. A centralized heating self-heat exchange and water source heat pump coupling system according to claim 1, 2, 3 or 4, characterized in that: A circulating water pump is provided at the return water end of the heating end.

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