CN203375526U - Gas assisting type heat pump system - Google Patents
Gas assisting type heat pump system Download PDFInfo
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- CN203375526U CN203375526U CN201320404346.9U CN201320404346U CN203375526U CN 203375526 U CN203375526 U CN 203375526U CN 201320404346 U CN201320404346 U CN 201320404346U CN 203375526 U CN203375526 U CN 203375526U
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Abstract
The utility model discloses a gas assisting type heat pump system. The gas assisting type heat pump system comprises a water tank, a heat pump body, a heat exchanging coiled pipe, a gas engine, a heat supply device, a first switching device, a second switching device, a first temperature detection device, a second temperature detection device, a third temperature detection device and a controller. The heat pump body is connected with the water tank to heat water in the water tank; the heat supply device is respectively connected with the heat exchanging coiled pipe and the gas engine; the first switching device is used in cooperation with the second switching device to form a first circulation circuit, a second circulation circuit and a third circulation circuit; according to the temperature detected by the first temperature measurement device, the temperature detected by the second temperature measurement device and the temperature detected by the third temperature measurement device, the controller controls one circulation circuit to be closed and controls the operation state of the heat pump body and the operation state of the gas engine. The gas assisting type heat pump system is high in energy efficiency, and the gas engine plays roles in hot water supply and heat supply.
Description
Technical field
The utility model relates to the heat-pump apparatus field, especially relates to a kind of combustion gas assist type heat pump.
Background technology
Heat pump, by adopting contrary Carnot cycle principle, absorbs heat and carrys out heat hot water or carry out heating from air.Along with the reduction of ambient temperature in winter, the heat that heat pump absorbs from atmosphere reduces, the heating effect variation of heat pump.
For promoting the heating capacity of heat pump under cryogenic conditions, the insider has proposed the decay that adopts gas combustion apparatus to supplement heat pump under low temperature.The existing heat pump auxiliary with combustion gas, be all to utilize this gas combustion apparatus to carry out supplementary heating to the domestic hot-water, can't solve the heating problem.
In addition, use heat pump heating winter, due to the decay of heat pump ability, very difficult realization is heating effect preferably.
The utility model content
The utility model is intended at least solve one of technical problem existed in prior art.For this reason, the utility model need to provide a kind of combustion gas assist type heat pump, and this combustion gas assist type heat pump efficiency is high, energy consumption is low, the combustion gas main frame not only can play the effect that hot water is provided, and can also play the effect of heating.
According to combustion gas assist type heat pump of the present utility model, comprising: for the water tank of water storage; The heat pump main frame, described heat pump main frame is connected and is heated with the water in described water tank with described water tank; Heat exchange coil, described heat exchange coil is located in described water tank; The combustion gas main frame, described combustion gas main frame is connected with an end of described heat exchange coil; Heating installation, described heating installation is connected with the other end of described combustion gas main frame and described heat exchange coil; The first switching device shifter and the second switching device shifter, described the first switching device shifter is located between heat exchange coil and described combustion gas main frame, described the second switching device shifter is located between described combustion gas main frame and described heating installation, and described the first switching device shifter and described the second switching device shifter coordinate to form the first circulation loop between heat exchange coil and described combustion gas main frame, forming the second circulation loop between described combustion gas main frame and described heating installation, form the 3rd circulation loop between described heat exchange coil, described combustion gas main frame and described heating installation; For detection of the first temperature-detecting device of environment temperature, for detection of the second temperature-detecting device of water temperature in described water tank with for detection of the 3rd temperature-detecting device of the heating temperature of described heating installation; And controller, described controller is connected with described combustion gas main frame with the described first to the 3rd temperature-detecting device, described the first and second switching device shifters and described heat pump main frame, to control the open and close of the described first to the 3rd temperature-detecting device, described the first and second switching device shifters, heat pump main frame and described combustion gas main frame.
According to combustion gas assist type heat pump of the present utility model, can be low at the heating efficiency of heat pump, open the combustion gas main frame while needing a large amount of water in water tank and carry out back work, improve operating efficiency, the raising efficiency of whole heat pump, realize supplying hot water and heating effect preferably.And because water tank has the accumulation of heat effect, thereby can reduce the switching on and shutting down frequency of combustion gas main frame, reduce energy consumption.
In addition, because combustion gas main frame of the present utility model is located between heat exchange coil and heating installation, thereby not only can utilize the combustion gas main frame to be heated the water in water tank, can also provide the thermal water source to heating installation, heated or the heating effect of heat pump main frame is played to supplementary function.
To sum up, high according to combustion gas assist type heat pump efficiency of the present utility model, energy consumption is low, the combustion gas main frame not only can play the effect that hot water is provided, and can also play the effect of heating.
In addition, also can there is following additional technical feature according to combustion gas assist type heat pump of the present utility model:
Described controller comprises: temperature detecting module, and described temperature detecting module is connected to control the described first duty to the 3rd temperature-detecting device with the described first to the 3rd temperature-detecting device; Temperature comparison module, temperature comparison module is connected with temperature detecting module in order to measured temperature and the preset temperature of the described first to the 3rd temperature-detecting device compared; Executive Module, described Executive Module is connected to control the open and close of described the first and second switching device shifters, heat pump main frame and described combustion gas main frame according to described comparative result with described temperature comparison module.
Described combustion gas main frame is connected on the first pipeline between the outlet of the entrance of described heat exchange coil and described heating installation, be connected with the second pipeline between the outlet of described heat exchange coil and the entrance of described heating installation, described combustion gas assist type heat pump also comprises the 3rd pipeline and the 4th pipeline, one end of described the 3rd pipeline is connected between described combustion gas main frame and described heat exchange coil, the other end of described the 3rd pipeline is connected with described the second pipeline, one end of described the 4th pipeline is connected between described combustion gas main frame and described heating installation, the other end of described the 4th pipeline is connected with described the second pipeline, described the first switching device shifter is connected with described the 3rd pipeline with described the first pipeline, described the second switching device shifter is connected with described the 4th pipeline with described the first pipeline.
Described the first switching device shifter comprises the first valve and second valve, and described the first valve is located between a described end and described heat exchange coil of described the 3rd pipeline, and described second valve is located on described the 3rd pipeline; Described the second switching device shifter comprises the 3rd valve and the 4th valve, and described the 3rd valve is located between a described end and described heating installation of described the 4th pipeline, and described the 4th valve is located on described the 4th pipeline.
Described first to fourth valve is magnetic valve.Can make thus to control more flexibly, conveniently.
Described the first switching device shifter and described the second switching device shifter are respectively triple valve.Can make thus the structure of combustion gas assist type heat pump simpler.
Also comprise water pump, described water pump is located on the first pipeline.Can play the driving effect to the current in the first circulation loop, the second circulation loop and the 3rd circulation loop by this water pump thus.
Also comprise water pump, described water pump is located on the second pipeline.Can play the driving effect to the current in the first circulation loop, the second circulation loop and the 3rd circulation loop by this water pump thus.
Described heating installation is floor heating pipe, and described the 3rd temperature-detecting device is located at the exit of described floor heating pipe.Be conducive to thus improve the uniformity of indoor heating temperature.
Described the second temperature-detecting device is located in described water tank.
The described first to the 3rd temperature-detecting device is temperature sensor.Can reduce manufacturing cost thus.
Additional aspect of the present utility model and advantage part in the following description provide, and part will become obviously from the following description, or recognize by practice of the present utility model.
The accompanying drawing explanation
Above-mentioned and/or additional aspect of the present utility model and advantage are from obviously and easily understanding becoming the description of embodiment in conjunction with following accompanying drawing, wherein:
Fig. 1 is the structure connection layout according to the combustion gas assist type heat pump of an embodiment of the utility model;
Fig. 2 is the structure connection layout according to the combustion gas assist type heat pump of another embodiment of the utility model;
Fig. 3 is the control method flow chart according to the combustion gas assist type heat pump of the utility model embodiment;
Fig. 4 is the structural representation according to the controller of the utility model embodiment.
Description of reference numerals
Heat pump main frame 2;
Combustion gas main frame 4; Feed water inlet 41; Water return outlet 42;
Heating installation 5; The entrance 51 of heating installation; The outlet 52 of heating installation;
The first switching device shifter 6; The first valve 61; Second valve 62; The first valve port a; The second valve port b; The 3rd valve port c;
The second switching device shifter 7; The 3rd valve 71; The 4th valve 72; The 4th valve port d; The 5th valve port e; The 6th valve port f;
The first temperature-detecting device 8; The second temperature-detecting device 9; The 3rd temperature-detecting device 10;
The first pipeline 110; The second pipeline 120; The 3rd pipeline 130; One end 131; The other end 132; The 4th pipeline 140; One end 141; The other end 142;
The specific embodiment
Below describe embodiment of the present utility model in detail, the example of described embodiment is shown in the drawings, and wherein same or similar label means same or similar element or the element with identical or similar functions from start to finish.Be exemplary below by the embodiment be described with reference to the drawings, only for explaining the utility model, and can not be interpreted as restriction of the present utility model.
In description of the present utility model, it will be appreciated that, the orientation of indication or the term of position relationship are based on orientation shown in the drawings or position relationship, only the utility model and simplified characterization for convenience of description, rather than indicate or imply that the device of indication or element must have specific orientation, construct and operation with specific orientation, therefore can not be interpreted as restriction of the present utility model.In addition, term " first ", " second " be only for describing purpose, and can not be interpreted as indication or hint relative importance or the implicit quantity that indicates indicated technical characterictic.Thus, one or more these features can be expressed or impliedly be comprised to the feature that is limited with " first ", " second ".In description of the present utility model, except as otherwise noted, the implication of " a plurality of " is two or more.
In description of the present utility model, it should be noted that, unless otherwise clearly defined and limited, term " installation ", " being connected ", " connection " should be done broad understanding, for example, can be to be fixedly connected with, and can be also to removably connect, or connect integratedly; Can be directly to be connected, also can indirectly be connected by intermediary, can be the connection of two element internals.For the ordinary skill in the art, can concrete condition understand the concrete meaning of above-mentioned term in the utility model.
Below with reference to Fig. 1, Fig. 2, be that Fig. 4 describes the combustion gas assist type heat pump according to the utility model embodiment, this combustion gas assist type heat pump comprises: water tank 1, heat pump main frame 2, heat exchange coil 3, combustion gas main frame 4, heating installation 5, the first switching device shifter 6, the second switching device shifter 7, the first temperature-detecting device 8, the second temperature-detecting device 9, the 3rd temperature-detecting device 10 and controller 160.
As depicted in figs. 1 and 2, water tank 1 has cold water inlet 11 and hot water outlet 12 for water storage and water tank 1, cold water inlet 11 can be connected that with external water source water tank 1 is carried out to moisturizing, and hot water outlet 12 can emit to supply with the domestic hot-water by the hot water of the heating in water tank 1.
Heat pump main frame 2 is connected with water tank 1 and is heated with the water in water tank 1.Be understandable that, heat pump main frame 2 can comprise the parts such as compressor (scheming not shown), evaporimeter (scheming not shown), condenser (scheming not shown), throttling arrangement (scheming not shown), and heat pump main frame 2 has kind of refrigeration cycle and heats circulation.Wherein water tank 1 can be connected with condenser, and at heat pump main frame 2, in heating circulation time, the condenser heat release is heated with the water in water tank 1.Here be understandable that, the structure of heat pump main frame 2 and operation principle can be that those skilled in the art is known, therefore no longer describe in detail.
In embodiment more of the present utility model, combustion gas main frame 4 also has feed water inlet 41 and water return outlet 42, and the water heated in the combustion gas water tank can be from feed water inlet 41 flows out, and after can flowing through successively heat exchange coil 3 and heating installation 5, from water return outlet 42 backwater.Wherein, this hot water heat exchange coil 3 interior flow and can with water tank 1 in water carry out heat exchange, reach heating water tank 1 or from the effect of water tank 1 heat-obtaining, this hot water flows and can its heat be emitted by this heating installation 5 heating installation 5 is interior, to play the effect of heating.
The first switching device shifter 6 is located between heat exchange coil 3 and combustion gas main frame 4, the second switching device shifter 7 is located between combustion gas main frame 4 and heating installation 5, and the first switching device shifter 6 and the second switching device shifter 7 coordinate to form the first circulation loop between heat exchange coil 3 and combustion gas main frame 4, forming the second circulation loop between combustion gas main frame 4 and heating installation 5, form the 3rd circulation loop between heat exchange coil 3, combustion gas main frame 4 and heating installation 5.
Here it will be appreciated that, the first circulation loop flows back to the loop of combustion gas main frame 4 for the hot water flowed out from combustion gas main frame 4 after heat exchange coil 3 again, when 4 start of combustion gas main frame, hot water flows and can be heated and then obtain the domestic hot-water water tank 1 in the first circulation loop, now the hot water heating installation 5 of can not flowing through.When 4 start of combustion gas main frame, the second circulation loop flows back to the loop of combustion gas main frame 4 for the hot water flowed out from combustion gas main frame 4 after heating installation 5, hot water heating installation 5 heat releases and then heated of can flowing through of flowing in the second circulation loop, now the hot water water tank 1 of can not flowing through.When 4 start of combustion gas main frame, the 3rd circulation loop flows back to the loop of combustion gas main frame 4 successively for the hot water flowed out from combustion gas main frame 4 after heat exchange coil 3 and heating installation 5, hot water flows and can carry out the work to water tank 1 heating and heating simultaneously in the 3rd circulation loop, when 4 shutdown of combustion gas main frame, when current flow in the 3rd circulation loop, if the water temperature in water tank 1 is higher than the water flow temperature in the 3rd circulation loop, current can be delivered to heating installation 5 by the heat in water tank 1, heated, now water tank 1 has the accumulation of heat effect.That is to say, the accumulation of heat effect of water tank 1 refers to when the water temperature in water tank 1 is greater than the water temperature in heat exchange coil 3, water in heat exchange coil 3 can with water tank 1 in water carry out heat exchange and heat up, and heat is delivered to heating installation 5 places by the 3rd circulation loop, carry out the heating effect, can reduce thus the start-stop frequency of heat pump main frame 2 and combustion gas main frame 4.
The first temperature-detecting device 8 is for detection of environment temperature, and this first temperature-detecting device 8 can be located on the condenser of heat pump main frame 2.The second temperature-detecting device 9 is for detection of the interior water temperature of water tank 1, and the second temperature-detecting device 9 can be located at water tank 1 inside.The 3rd temperature-detecting device 10 is for detection of the heating temperature of heating installation 5, and the 3rd temperature-detecting device 10 can be located on heating installation 5.
Controller 160 is connected with the first temperature-detecting device 8, the second temperature-detecting device 9, the 3rd temperature-detecting device 10, the first switching device shifter 6, the second switching device shifter 7, heat pump main frame 2 and combustion gas main frame 4, to control the open and close of the first temperature-detecting device 8, the second temperature-detecting device 9, the 3rd temperature-detecting device 10, the first switching device shifter 6, the second switching device shifter 7, heat pump main frame 2 and combustion gas main frame 4, and then realize the control to whole combustion gas assist type heat pump.
Combustion gas assist type heat pump according to the utility model embodiment, can when the water that heating efficiency is low, the interior needs of water tank 1 are a large amount of of heat pump, open combustion gas main frame 4 and carry out back work, improve operating efficiency, the raising efficiency of whole heat pump, realize supplying hot water and heating effect preferably.And because water tank 1 has the accumulation of heat effect, thereby can reduce the switching on and shutting down frequency of combustion gas main frame 4, reduce energy consumption.
In addition, because combustion gas main frame 4 of the present utility model is located between heat exchange coil 3 and heating installation 5, thereby not only can utilize the water in 4 pairs of water tanks of combustion gas main frame 1 to be heated, can also provide the thermal water source to heating installation 5, heated or the heating effect of heat pump main frame 2 is played to supplementary function.
To sum up, high according to the combustion gas assist type heat pump efficiency of the utility model embodiment, energy consumption is low, combustion gas main frame 4 not only can play the effect that hot water is provided, and can also play the effect of heating.
Controller 160 comprises temperature detecting module 161, temperature comparison module 162 and Executive Module 163.Described temperature detecting module 161 and the first temperature-detecting device 8, the second temperature-detecting device 9 are connected to control the duty of the first temperature-detecting device 8, the second temperature-detecting device 9 and the 3rd temperature-detecting device 10 with the 3rd temperature-detecting device 10, drive the first temperature-detecting device 8, the second temperature-detecting device 9 and the 3rd temperature-detecting device 10 testing environment temperature, water tank temperature and heating temperature respectively, and receive the temperature detection value of the first temperature-detecting device 8, the second temperature-detecting device 9 and the 3rd temperature-detecting device 10.
Temperature comparison module 162 is connected with temperature detecting module 161, temperature comparison module 162 internal preset have the environment temperature threshold value, temperature detecting module 161 passes to temperature comparison module 162 by the temperature detection value received, and temperature comparison module 162 compares temperature detection value and environment temperature threshold value.Executive Module 163 is connected with temperature comparison module 162, in order to the comparative result according to temperature detection value and environment temperature threshold value, controls the first switching device shifter 6 and the second switching device shifter 7 work.
That is to say; controller 160 is according to the first temperature-detecting device 8, the second temperature-detecting device 9 and the 3rd temperature-detecting device 10 three temperature detection values that obtain that detect; control the first switching device shifter 6 and the second switching device shifter 7 work; so that a conducting in the first circulation loop, the second circulation loop and the 3rd circulation loop, two other circulation loops close, and control heat pump main frame 2 and 4 starts of combustion gas main frame or shut down.The operation of can simultaneously starting shooting of heat pump main frame 2 and combustion gas main frame 4, can also be one of them start operation, another shutdown.
Particularly, as depicted in figs. 1 and 2, be connected with the first pipeline 110 between the entrance 31 of heat exchange coil 3 and the outlet 52 of heating installation 5, combustion gas main frame 4 is connected on the first pipeline 110, between the outlet 32 of heat exchange coil 3 and the entrance 51 of heating installation 5, is connected with the second pipeline 120.
Combustion gas assist type heat pump also comprises the 3rd pipeline 130 and the 4th pipeline 140, one end 131 of the 3rd pipeline 130 is connected between combustion gas main frame 4 and heat exchange coil 3, the other end 132 of the 3rd pipeline 130 is connected with the second pipeline 120, one end 141 of the 4th pipeline 140 is connected between combustion gas main frame 4 and heating installation 5, the other end 142 of the 4th pipeline 140 is connected with the second pipeline 120, the first switching device shifter 6 is connected with the 3rd pipeline 130 with the first pipeline 110, and the second switching device shifter 7 is connected with the 4th pipeline 140 with the first pipeline 110.
As shown in Figure 1, in an example of the present utility model, the first switching device shifter 6 can comprise the first valve 61 and second valve 62, the first valve 61 is located between an end 131 and heat exchange coil 3 of the 3rd pipeline 130, second valve 62 is located on the 3rd pipeline 130, the second switching device shifter 7 can comprise that the 3rd valve 71 and the 4th valve 72, the three valves 71 are located between an end 141 and heating installation 5 of the 4th pipeline 140, and the 4th valve 72 is located on the 4th pipeline 140.Like this, can control that the first valve 61 and the 4th valve 72 are opened, second valve 62 and the 3rd valve 71 close, to form the first circulation loop, can control that second valve 62 and the 3rd valve 71 are opened, the first valve 61 and the 4th valve 72 close, to form the second circulation loop, can control that the first valve 61 and the 3rd valve 71 are opened, second valve 62 and the 4th valve 72 close, to form the 3rd circulation loop.
As shown in Figure 1, the first valve 61, second valve 62, the 3rd valve 71 and the 4th valve 72 can be all magnetic valve.Controller 160 can be connected respectively and carry out with the first valve 61, second valve 62, the 3rd valve 71 and the 4th valve 72 control of opening and closing.Can be controlled respectively by 160 pairs of the first valves 61 of controller, second valve 62, the 3rd valve 71 and the 4th valve 72 thus, be controlled more flexible, convenient.
As shown in Figure 2, in another example of the present utility model, the first switching device shifter 6 and the second switching device shifter 7 are respectively triple valve.Can make thus the structure of combustion gas assist type heat pump simpler.Controller 160 can be connected respectively and be controlled with two triple valves.
Particularly, as shown in Figure 2, the first switching device shifter 6 can have the first valve port a, the second valve port b and the 3rd valve port c, and the second switching device shifter 7 can have the 4th valve port d, the 5th valve port e and the 6th valve port f.Wherein, the first valve port a is connected with the feed water inlet 41 of combustion gas main frame 4, the second valve port b is connected with the entrance 31 of heat exchange coil 3, the 3rd valve port c is connected on the 3rd pipeline 130, the 4th valve port d is connected with the outlet 52 of heating installation 5, the 5th valve port e is connected with the water return outlet 42 of combustion gas main frame 4, and the 6th valve port f is connected on the 4th pipeline 140.
Alternatively, can control that the first valve port a, the second valve port b, the 6th valve port f, the 5th valve port e open, the 3rd valve port c, the 4th valve port d close, to form the first circulation loop; Can control that the first valve port a, the 3rd valve port c, the 4th valve port d, the 5th valve port e open, the second valve port b, the 6th valve port f close, to form the second circulation loop; Can control that the first valve port a, the second valve port b, the 4th valve port d, the 5th valve port e open, the 3rd valve port c, the 6th valve port f close, to form the 3rd circulation loop.
In embodiment more of the present utility model, as depicted in figs. 1 and 2, combustion gas assist type heat pump can also comprise water pump 150, water pump 150 is located on the first pipeline 110, particularly, water pump 150 can be located between the first switching device shifter 6 and feed water inlet 41, or water pump 150 can be located between the second switching device shifter 7 and water return outlet 42.Can play the driving effect by the current in 150 pairs of the first circulation loops of this water pump, the second circulation loop and the 3rd circulation loop thus.Certainly the water pump 150 in the utility model can also be located on the second pipeline 120, and particularly, water pump 150 can be located between the other end 142 of the other end 132 of the 3rd pipeline 130 and the 4th pipeline 140.
In a specific embodiment of the present utility model, heating installation 5 is floor heating pipe, and floor heating pipe can be arranged under indoor floor, is conducive to thus improve the uniformity of indoor heating temperature.Wherein, the 3rd temperature-detecting device 10 can be located at the exit of floor heating pipe.
The first temperature-detecting device 8, the second temperature-detecting device 9 and the 3rd temperature-detecting device 10 are temperature sensor.Can reduce manufacturing cost thus.
Below with reference to Fig. 3, the control method according to the combustion gas assist type heat pump of the utility model embodiment is described.The method comprises the steps:
S10, by described temperature detecting module 161, control the first temperature-detecting device 8 testing environment temperature to obtain environment temperature T8;
S20, by described temperature comparison module 162, environment temperature T8 is compared with first environment temperature threshold Ta1, second environment temperature threshold Ta2, the 3rd environment temperature threshold value Ta3, border, Fourth Ring temperature threshold Ta4 respectively, to determine whether to open combustion gas main frame 4 or heat pump main frame 2, whether conducting the first circulation loop, the second circulation loop or the 3rd circulation loop.
Wherein, Ta1<Ta2<Ta3<Ta4, particularly, the scope of Ta1 can be-5～-14 ℃, and the scope of Ta2 can be 5～12 ℃, and the scope of Ta3 can be 16～18 ℃, and the Ta4 scope can be 43～46 ℃.
Further, in above-mentioned steps S20:
S21, as T8<Ta1, this temperature range belongs to season in winter, needs domestic hot-water and heating.
Because environment temperature is lower, the decrease in efficiency of heat pump main frame 2, do not had economic advantages with heat pump main frame 2 water heatings and heating.In this temperature range, the heat that heating and domestic hot-water need can all be provided by combustion gas main frame 4.As T8<Ta1, the Executive Module 163 of controller 160 can be controlled 4 starts of combustion gas main frame and control the 3rd circulation loop conducting, makes the hot water water interior with heating water tank 1 through heat exchange coil 3 of combustion gas main frame 4 heating, and is heated through heating installation 5.Heat pump main frame 2 is in off-mode.At this moment water tank 1, both as the hot water storage container, again as heat storage container, can reduce the start frequency of combustion gas main frame 4, reduces energy consumption.
Now, control the second temperature-detecting device 9 by temperature detecting module 161 and detect the interior water temperature of water tank 1 to obtain water temperature T 9, and T9 and water temperature setting value Ts1 are compared, and maintain T9 >=Ts1-dT1, to guarantee domestic hot-water's supply.Wherein water temperature setting value Ts1 can be set by the user, and dT1 is that water tank temperature maintains the temperature difference, and setting range can be 2～10 ℃.
Particularly, as T9 >=Ts1-dT1, the Executive Module 163 of controller 160 can be controlled the second circulation loop conducting, can make thus combustion gas main frame 4 only carry out heating work; As T9<Ts1-dT1, continue to control the 3rd circulation loop conducting, make combustion gas main frame 4 carry out supplying hot water and heating work simultaneously.
S22, as Ta1≤T8<Ta2, this temperature range belongs to season in winter, needs domestic hot-water and heating.
In this stage, the Executive Module 163 of controller 160 controls heat pump main frame 2 and combustion gas main frame 4 is all started shooting, to reach the high efficiency of heat pump main frame 2 and combustion gas main frame 4.Particularly, control 2 starts of heat pump main frame and the water in water tank 1 is heated, obtaining the domestic hot-water, control 4 starts of combustion gas main frame and control the second circulation loop conducting, making the hot water of combustion gas main frame 4 interior outflows provide thermal source to reach the heating purpose to heating installation 5.
Further, after heat pump main frame 2 is worked dt hour, temperature detecting module 161 is controlled the second temperature-detecting device 9 and is detected the interior water temperature of water tank 1 to obtain water temperature T 9, and T9 and water temperature setting value Ts1 are compared, as T9<Ts1-dT1, illustrate that heat pump main frame 2 can't meet domestic hot-water's needs, need to supplement the part heat with combustion gas, and then the Executive Module 163 of controller 160 is controlled the 3rd circulation loop conducting, so that combustion gas main frame 4, in heating, can be heated the water in water tank 1.As T9 >=Ts1-dT1, continue to control heat pump main frame 2 and 4 starts of combustion gas main frame and control the second circulation loop conducting.That is to say, need to maintain T9 >=Ts1-dT1.
Wherein, time dt can be set according to the ability of heat pump main frame 2 and the volume of water tank 1, can be for example 1～5 hour.
S23, as Ta2≤T8<Ta3, this temperature range belongs to transition season, needs domestic hot-water and heating.
In this stage, the Executive Module 163 of controller 160 is controlled 2 starts of heat pump main frame, and the water in water tank 1 is heated.
Now, temperature detecting module 161 controls that the 3rd temperature-detecting devices 10 detect heating temperature T10 and by described temperature comparison module 162, T10 and heating temperature setting value Ts2 are compared, when needs heat, when T10<Ts2, the Executive Module 163 of controller 160 can be controlled water pump 150 start work, and controls the 3rd circulation loop conducting, by making current obtain heat and be delivered to heating installation 5 from the water in water tank 1, heated.Now water tank 1 plays the accumulation of heat effect.
Wherein, in heat pump start process that water tank 1 is heated, also need to maintain T9 >=Ts1-dT1, to guarantee domestic hot-water's supply.
Particularly, temperature detecting module 161 is controlled the second temperature-detecting device and is detected the interior water temperature of water tank 1 to obtain T9, dual requirements when T9<Ts1-dT1 explanation heat pump main frame inadequate heating of 2 ability and hot water, need combustion gas main frame 4 to carry out additional heat, the Executive Module 163 of controller 160 is controlled 4 starts of combustion gas main frame and is controlled the first circulation loop conducting; As T9 >=Ts1-dT1, continue to control water pump 150 and keep open state and control the 3rd circulation loop conducting.
Wherein be understandable that, in one day, the hot water demand measures (for example 17:00～19:00 in a day) when large, can the water temperature of water tank 1 be detected, to guarantee the water temperature in water tank 1, for example, when the hot water demand measures when little (23:00～next day 2:00), can be not the water temperature of water tank 1 not be detected, with energy-conservation.
S24, as Ta3≤T8<Ta4, under this environment temperature, do not need heating, heat pump only provides the domestic hot-water.
Particularly, temperature detecting module 161 is controlled the second temperature-detecting device and is detected the water temperature of water tank 1 to obtain water temperature T 9, if T9<Ts1-dT1, the Executive Module 163 of controller 160 is controlled 2 starts of heat pump main frame and is heated with the water in water tank 1, until T9 >=Ts1-dT1.
S25, as T8 >=Ta4, under this environment temperature, do not need heating,
Because environment temperature is higher, the decrease in efficiency of heat pump main frame 2, use heat pump main frame 2 water heatings will affect the life-span of heat pump main frame 2.In this temperature range, the heat that the domestic hot-water needs can all be provided by gas-fired water heater, the Executive Module 163 of controller 160 is controlled heat pump main frame 2 in off-mode, if the hot water demand is arranged, be that temperature detecting module 161 is controlled the second temperature-detecting device detection water tank water temperature to obtain water temperature T 9, when T9<Ts1-dT1, the Executive Module 163 of controller 160 can be controlled 4 starts of combustion gas main frame and control the first circulation loop conducting, and the water in water tank 1 is heated.When T9 >=Ts1-dT1, can proceed to detect the water tank water temperature.
Certainly the control method of this assist type of combustion gas according to the utility model embodiment heat pump can also comprise following content:
When the heating demand is arranged, the Executive Module 163 of controller 160 can be controlled water pump 150 always in running status, so that the interior water-driven of heat exchange coil 3 is arrived to heating installation 5 places.
When needs are used the situation of hot water in a large number, heat pump provides the demand of hot water not, at this moment need out the quick additional heat of combustion gas main frame 4, and the Executive Module 163 of controller 160 is controlled the first circulation loop conducting, as long as the water temperature T 9<Ts1-dT3 in water tank 1, combustion gas main frame 4 can enforced opening, until T9 >=Ts1+dT3 stops heating, controls 4 shutdown of combustion gas main frame.Wherein dT3 is temperature difference, and the span of dT3 can be 1～3 ℃.
To sum up; control method according to the combustion gas assist type heat pump of the utility model embodiment; can fully utilize accumulation of heat effect and the water storage effect of water tank 1; reduce the startup-shutdown frequency of heat pump main frame 2 and combustion gas main frame 4; realize supplying hot water and heating effect preferably; reduce energy consumption, utilize to greatest extent heat pump.
In the description of this specification, the description of reference term " embodiment ", " some embodiment ", " illustrative examples ", " example ", " concrete example " or " some examples " etc. means to be contained at least one embodiment of the present utility model or example in conjunction with specific features, structure, material or the characteristics of this embodiment or example description.In this manual, the schematic statement of above-mentioned term not necessarily referred to identical embodiment or example.And the specific features of description, structure, material or characteristics can be with suitable mode combinations in any one or more embodiment or example.
Although illustrated and described embodiment of the present utility model, those having ordinary skill in the art will appreciate that: in the situation that do not break away from principle of the present utility model and aim can be carried out multiple variation, modification, replacement and modification to these embodiment, scope of the present utility model is limited by claim and equivalent thereof.
Claims (11)
1. a combustion gas assist type heat pump, is characterized in that, comprising:
Water tank for water storage;
The heat pump main frame, described heat pump main frame is connected and is heated with the water in described water tank with described water tank;
Heat exchange coil, described heat exchange coil is located in described water tank;
The combustion gas main frame, described combustion gas main frame is connected with an end of described heat exchange coil;
Heating installation, described heating installation is connected with the other end of described combustion gas main frame and described heat exchange coil;
The first switching device shifter and the second switching device shifter, described the first switching device shifter is located between heat exchange coil and described combustion gas main frame, described the second switching device shifter is located between described combustion gas main frame and described heating installation, and described the first switching device shifter and described the second switching device shifter coordinate to form the first circulation loop between heat exchange coil and described combustion gas main frame, forming the second circulation loop between described combustion gas main frame and described heating installation, form the 3rd circulation loop between described heat exchange coil, described combustion gas main frame and described heating installation;
For detection of the first temperature-detecting device of environment temperature, for detection of the second temperature-detecting device of water temperature in described water tank with for detection of the 3rd temperature-detecting device of the heating temperature of described heating installation; And
Controller, described controller is connected with described combustion gas main frame with the described first to the 3rd temperature-detecting device, described the first and second switching device shifters and described heat pump main frame, to control the open and close of the described first to the 3rd temperature-detecting device, described the first and second switching device shifters, heat pump main frame and described combustion gas main frame.
2. combustion gas assist type heat pump according to claim 1, is characterized in that, described controller comprises:
Temperature detecting module, described temperature detecting module is connected to control the described first duty to the 3rd temperature-detecting device with the described first to the 3rd temperature-detecting device;
Temperature comparison module, temperature comparison module is connected with temperature detecting module in order to measured temperature and the preset temperature of the described first to the 3rd temperature-detecting device compared;
Executive Module, described Executive Module is connected to control the open and close of described the first and second switching device shifters, heat pump main frame and described combustion gas main frame according to described comparative result with described temperature comparison module.
3. combustion gas assist type heat pump according to claim 1, it is characterized in that, described combustion gas main frame is connected on the first pipeline between the outlet of the entrance of described heat exchange coil and described heating installation, be connected with the second pipeline between the outlet of described heat exchange coil and the entrance of described heating installation
Described combustion gas assist type heat pump also comprises the 3rd pipeline and the 4th pipeline, one end of described the 3rd pipeline is connected between described combustion gas main frame and described heat exchange coil, the other end of described the 3rd pipeline is connected with described the second pipeline, one end of described the 4th pipeline is connected between described combustion gas main frame and described heating installation, the other end of described the 4th pipeline is connected with described the second pipeline, described the first switching device shifter is connected with described the 3rd pipeline with described the first pipeline, and described the second switching device shifter is connected with described the 4th pipeline with described the first pipeline.
4. combustion gas assist type heat pump according to claim 3, it is characterized in that, described the first switching device shifter comprises the first valve and second valve, and described the first valve is located between a described end and described heat exchange coil of described the 3rd pipeline, and described second valve is located on described the 3rd pipeline;
Described the second switching device shifter comprises the 3rd valve and the 4th valve, and described the 3rd valve is located between a described end and described heating installation of described the 4th pipeline, and described the 4th valve is located on described the 4th pipeline.
5. combustion gas assist type heat pump according to claim 4, is characterized in that, described first to fourth valve is magnetic valve.
6. combustion gas assist type heat pump according to claim 3, is characterized in that, described the first switching device shifter and described the second switching device shifter are respectively triple valve.
7. according to the described combustion gas assist type of any one heat pump in claim 1-6, it is characterized in that, also comprise water pump, described water pump is located on the first pipeline.
8. according to the described combustion gas assist type of any one heat pump in claim 1-6, it is characterized in that, also comprise water pump, described water pump is located on the second pipeline.
9. combustion gas assist type heat pump according to claim 1, is characterized in that, described heating installation is floor heating pipe, and described the 3rd temperature-detecting device is located at the exit of described floor heating pipe.
10. combustion gas assist type heat pump according to claim 1, is characterized in that, described the second temperature-detecting device is located in described water tank.
11. combustion gas assist type heat pump according to claim 1, is characterized in that, the described first to the 3rd temperature-detecting device is temperature sensor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320404346.9U CN203375526U (en) | 2013-07-08 | 2013-07-08 | Gas assisting type heat pump system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320404346.9U CN203375526U (en) | 2013-07-08 | 2013-07-08 | Gas assisting type heat pump system |
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| Publication Number | Publication Date |
|---|---|
| CN203375526U true CN203375526U (en) | 2014-01-01 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320404346.9U Withdrawn - After Issue CN203375526U (en) | 2013-07-08 | 2013-07-08 | Gas assisting type heat pump system |
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| Country | Link |
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| CN (1) | CN203375526U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104279611B (en) * | 2013-07-08 | 2017-03-08 | 广东美的暖通设备有限公司 | Combustion gas auxiliary type heat pump system and its control method |
| CN116058214A (en) * | 2023-03-06 | 2023-05-05 | 浙江金光新能源设备科技有限公司 | Air source heat pump greenhouse heater and heating system |
-
2013
- 2013-07-08 CN CN201320404346.9U patent/CN203375526U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104279611B (en) * | 2013-07-08 | 2017-03-08 | 广东美的暖通设备有限公司 | Combustion gas auxiliary type heat pump system and its control method |
| CN116058214A (en) * | 2023-03-06 | 2023-05-05 | 浙江金光新能源设备科技有限公司 | Air source heat pump greenhouse heater and heating system |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20140101 Effective date of abandoning: 20171114 |