CN203908147U - Defrosting device and heat pump - Google Patents
Defrosting device and heat pump Download PDFInfo
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- CN203908147U CN203908147U CN201420261644.1U CN201420261644U CN203908147U CN 203908147 U CN203908147 U CN 203908147U CN 201420261644 U CN201420261644 U CN 201420261644U CN 203908147 U CN203908147 U CN 203908147U
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Abstract
The utility model discloses a defrosting device and a heat pump and relates to the technical field of air conditioners. The technical problem that defrosting effect of an outdoor heat exchanger cannot be improved during heating without causing any attenuation affection on refrigeration of the outdoor heat exchanger in the meantime in the prior art is solved. The defrosting device comprises an indoor heat exchanger, an outdoor heat exchanger, a compressor and a control valve, wherein the outdoor heat exchanger comprises a first function part and a second function part. When the control valve stays in the first state, passing fluid can be subjected to sensible heat release by the first function part, and can be subject to undercooling heat release by the second function part. When the control valve stays in the second state, the passing fluid can be subjected to evaporation and heat absorption by the first function part and can be subjected to condensation heat release by the second function part. By the defrosting device, defrosting effect of the outdoor heat exchanger can be improved during heating without causing any attenuation affection on refrigeration of the outdoor heat exchanger.
Description
Technical field
The utility model relates to air-conditioning technical field, relates in particular to a kind of defroster and the heat pump machine of this defroster is set.
Background technology
Frosting is the serious problems that heat pump machine faces, and not only affects the stable operation of heat pump machine, and users'comfort is had to adverse influence.Improve heat pump machine frosting situation under low temperature condition and be conducive to improve heating capacity, guarantee system stable operation.
At present, it is too small that heat pump machine is all condenser (being specially: indoor heat exchanger), after condensation, degree of supercooling is less, make overall efficiency low, and evaporimeter (being specially: outdoor heat exchanger) is relatively large, in the winter of severe cold, in the low situation of outdoor temperature, evaporating temperature becomes lower and causes on outdoor heat exchanger frosting serious.For solving the serious defect of frosting, prior art provides a kind of hot-gas bypass and surface cooler supercooling defrosting device, and this device has increased super cooled sect in the bottom of evaporimeter, to realize the object that reduces frosting speed.
The applicant's discovery, at least there is following technical problem in prior art:
1, prior art is to use for heat supplying air conditioning, the only suitable situation of heat pump machine in heating condition that be applied to, owing to not considering super cooled sect that outdoor heat exchanger bottom the increases flow direction when the refrigerating operaton, for there is the refrigeration air-conditioner of cooling condition, in the time that refrigeration air-conditioner is under cooling condition, cannot overcome the technical problem that outdoor heat exchanger degree of supercooling cannot be satisfied.
2, for realizing the super cooled sect of outer machine heat exchanger bottom as indoor heat exchanger (being called for short: interior machine) condensation, in prior art, realize switching with magnetic valve and control coil, cost increase is larger.
Utility model content
One of them object of the present utility model is to propose a kind of defroster and heat pump machine, solved the effect of improving defrost when prior art cannot make outdoor heat exchanger both meet heating operation, ensure again to refrigerating operaton without any the technical problem of influence of fading.Many technique effects that the utility model optimal technical scheme can produce refer to below sets forth.
For achieving the above object, the utility model provides following technical scheme:
The defroster that the utility model embodiment provides, comprises indoor heat exchanger, outdoor heat exchanger, compressor and control valve, and described outdoor heat exchanger comprises the first funtion part and the second funtion part, wherein:
Described control valve is arranged on the pipeline between fluid issuing, fluid inlet and described indoor heat exchanger, described first funtion part of described compressor;
Described the first funtion part and described the second funtion part between the two and described the second funtion part be connected by conduction pipe between the two with described indoor heat exchanger;
The duty of described control valve comprises the first state and the second state,
When described control valve is during in the first state, the pipeline conducting between the fluid issuing of described compressor and described the first funtion part, the pipeline conducting between the fluid inlet of described compressor and described indoor heat exchanger; Described the first funtion part can be carried out sensible heat heat release operation to the fluid of process, and described the second funtion part can be carried out cold heat release operation to the fluid of process;
When described control valve is during in the second state, pipeline conducting between the fluid issuing of described compressor and described indoor heat exchanger, pipeline conducting between the fluid inlet of described compressor and described the first funtion part, pipeline cut-off between the fluid issuing of described compressor and described the first funtion part, the pipeline cut-off between the fluid inlet of described compressor and described indoor heat exchanger; Described the first funtion part can be carried out evaporation endothermic operation to the fluid of process, and described the second funtion part can be carried out condensation heat release operation to the fluid of process.
At one preferably or alternatively in embodiment, on described conduction pipe, be provided with restricting element, described control valve is in the time of the first state, and the fluid (this fluid also can for via the direct fluid of the described restricting element of input after described the second funtion part) of inputting described restricting element via described the second funtion part and described conduction pipe is successively inputted described indoor heat exchanger by described conduction pipe after described restricting element;
Described control valve is in the time of the second state, and the fluid (this fluid also can for via the direct fluid of the described restricting element of input after described the second funtion part) of inputting described restricting element via described the second funtion part and described conduction pipe is successively inputted described the first funtion part by described conduction pipe after described restricting element.
At one, preferably or alternatively in embodiment, described restricting element is electric expansion valve.
At one, preferably or alternatively in embodiment, described conduction pipe comprises the first check valve, the second check valve, the 3rd check valve and the 4th check valve, wherein:
The going out stream end both be in parallel and be all connected with one of them in two ports of described the first funtion part of the influent stream end of described the first check valve and described the second check valve, in two ports of described the first funtion part wherein another is connected by pipeline with described control valve;
The influent stream end of described the second check valve is connected with the influent stream end that goes out stream end and described the 3rd check valve of described restricting element respectively;
The stream end of going out of described the first check valve is connected with one of them in two ports that go out stream end and described the second funtion part of described the 4th check valve respectively, in two ports of described the second funtion part wherein another is connected with the influent stream end of described restricting element;
The stream end of going out of described the 3rd check valve is connected with one of them in the influent stream end of described the 4th check valve and two ports of described indoor heat exchanger respectively, in two ports of described indoor heat exchanger wherein another is connected by pipeline with described control valve.
At one, preferably or alternatively in embodiment, described control valve is solenoid operated four-way valve.
At one, preferably or alternatively in embodiment, described the first funtion part connects or is connected by Heat Conduction Material between the two with described the second funtion part.
At one, preferably or alternatively in embodiment, described the first funtion part is arranged on the top of described the second funtion part.
The heat pump machine that the utility model embodiment provides, comprises the defroster defroster that the arbitrary technical scheme of above-mentioned the utility model provides.
The Defrost method of the defroster that the utility model embodiment provides, at least comprises the following steps:
The first funtion part that refrigerant vapour is imported to outdoor heat exchanger is carried out sensible heat heat release operation;
The second funtion part that the fluid of described the first funtion part output is imported to described outdoor heat exchanger was carried out cold heat release operation;
The fluid of described the second funtion part output is imported to indoor heat exchanger and carry out evaporation endothermic operation.
At one, preferably or alternatively in embodiment, the Defrost method of described defroster is further comprising the steps of:
Refrigerant vapour is imported to described indoor heat exchanger and carry out condensation heat release operation;
The fluid of described indoor heat exchanger output is imported to described the second funtion part and carry out condensation heat release operation;
The fluid of described the second funtion part output is imported to described the first funtion part and carry out evaporation endothermic operation;
Utilize heat that described the second funtion part discharges to the operation that defrosts of described outdoor heat exchanger.
Based on technique scheme, the utility model embodiment at least can produce following technique effect:
In the defroster that the utility model embodiment provides, outdoor heat exchanger has been carried out to segment processing, outdoor heat exchanger is divided for the first funtion part and the second funtion part, first funtion part (being preferably top) of outdoor heat exchanger can be carried out sensible heat heat release operation to the fluid of process, second funtion part (being preferably bottom) of outdoor heat exchanger can be carried out cold heat release operation to the fluid of process (being preferably cold-producing medium), so when control valve is during in the first state, start compressor, the refrigerant vapour of the fluid issuing output of compressor is successively through the first funtion part, meeting sensible heat heat release when the second funtion part, thereby cross cold heat release heat radiation, the lower cold-producing medium of temperature that has distributed heat enters after indoor heat exchanger, can absorb comparatively efficiently the heat in indoor heat exchanger, thereby can reach good refrigeration indoor, ensured thus outdoor heat exchanger after segmentation to refrigerating operaton without any influence of fading, simultaneously, when the utility model heats operation, the second funtion part can be carried out condensation heat release operation, the first funtion part can be carried out evaporation endothermic operation, the heat that the second funtion part discharges can meet outdoor heat exchanger and improve in the time of heating operation the effect of defrost.
Brief description of the drawings
Accompanying drawing described herein is used to provide further understanding of the present utility model, forms the application's a part, and schematic description and description of the present utility model is used for explaining the utility model, does not form improper restriction of the present utility model.In the accompanying drawings:
The rough schematic view of annexation between the parts of the defroster that Fig. 1 provides for the utility model preferred embodiment cold-producing medium process in the time of cooling condition;
The schematic diagram of the defroster that Fig. 2 provides for the utility model preferred embodiment flow direction of cold-producing medium in the time of cooling condition;
The schematic diagram of the defroster that Fig. 3 provides for the utility model preferred embodiment flow direction of cold-producing medium in the time of heating condition;
The rough schematic view of annexation between the parts of the defroster that Fig. 4 provides for the utility model preferred embodiment cold-producing medium process in the time of heating condition;
Reference numeral: 1, compressor; 2, control valve (specifically can be cross valve); 3, restricting element; 41, indoor heat exchanger; 42, outdoor heat exchanger; 5, the first funtion part; 6, the second funtion part; 7, the first check valve; 8, the second check valve; 9, the 3rd check valve; 10, the 4th check valve.
Detailed description of the invention
Can understand the distinctive points between content of the present utility model and the utility model and prior art with reference to accompanying drawing Fig. 1～Fig. 4 and word content below.Below by accompanying drawing and enumerate the mode of optional embodiment more of the present utility model, the technical solution of the utility model (comprising optimal technical scheme) is described in further detail.It should be noted that: any technical characterictic in the present embodiment, any technical scheme is all one or more in technical characterictic or the optional technical scheme of plurality of optional, cannot exhaustive all alternative technical characterictics of the present utility model and alternative technical scheme in order to describe succinct need in presents, also the embodiment that is not easy to each technical characterictic all emphasizes that it is one of optional numerous embodiments, so those skilled in the art should know: arbitrary technological means that the utility model can be provided is replaced or any two or more technological means or technical characterictic that the utility model is provided combine mutually and obtain new technical scheme.Any technical characterictic in the present embodiment and any technical scheme all do not limit protection domain of the present utility model, protection domain of the present utility model should comprise those skilled in the art do not pay creative work thinkable any alternate embodiments and those skilled in the art any two or more technological means that the utility model is provided or technical characterictic combine mutually and the new technical scheme that obtains.
The utility model embodiment provides a kind of outdoor heat exchanger segment processing, both can meet heating operation time, improve the effect of defrost, can ensure again outdoor heat exchanger after segmentation to refrigerating operaton without any influence of fading defroster, the heat pump machine of this defroster and the Defrost method of defroster are set.
Technical scheme the utility model being provided below in conjunction with Fig. 1～Fig. 4 is carried out more detailed elaboration.In Fig. 1～Fig. 4, the direction of arrow represents the flow direction of this defroster inner fluid (being preferably cold-producing medium).
The embodiment of refrigerating part:
As shown in Figure 1, the defroster that the utility model embodiment provides, comprise indoor heat exchanger (or claiming: indoor set heat exchanger, indoor heat exchanging pipe) 41, outdoor heat exchanger (or claiming: outdoor unit heat exchanger, outdoor heat exchange pipeline) 42, compressor 1 and control valve 2, control valve 2 can be hand-operated valve or solenoid operated four-way valve, outdoor heat exchanger 42 comprises the first funtion part (being preferably top) 5 and the second funtion part (being preferably bottom) 6, wherein:
Control valve 2 is arranged on the pipeline between fluid issuing, fluid inlet and indoor heat exchanger 41, first funtion part 5 of compressor 1.
The first funtion part 5 and the second funtion part 6 between the two and the second funtion part 6 be connected by conduction pipe (preferred embodiment of conduction pipe will be explained below) between the two with indoor heat exchanger 41.
The duty of control valve 2 comprises the first state and the second state, control valve 2 in the time of the first state, the pipeline conducting between the fluid issuing of compressor 1 and the first funtion part 5, the pipeline conducting between the fluid inlet of compressor 1 and indoor heat exchanger 41.
The first funtion part 5 can be carried out sensible heat heat release operation to the fluid of process (this fluid is preferably cold-producing medium), and the second funtion part 6 can be carried out cold heat release operation to the fluid of process.
In the defroster that the utility model embodiment provides, first funtion part (Figure 1 shows that top) 5 of outdoor heat exchanger 42 can be carried out sensible heat heat release operation to the fluid of process, second funtion part (Figure 1 shows that bottom) 6 of outdoor heat exchanger 42 can be carried out cold heat release operation to the fluid of process, so when control valve 2 is during in the first state, start compressor 1, thereby the refrigerant vapour of the fluid issuing of compressor 1 output can sensible heat heat release during successively through the first funtion part 5, the second funtion part 6, cross cold heat release heat radiation, avoids the generation of frost.Meanwhile, the lower cold-producing medium of temperature that has distributed heat enters after indoor heat exchanger 41, can absorb comparatively efficiently the heat in indoor heat exchanger 41, thereby can reach good refrigeration indoor.In the present embodiment, on conduction pipe, be provided with restricting element 3, restricting element 3 is preferably electric expansion valve.When control valve 2 is during in the first state, successively via the fluid of the second funtion part 6 and conduction pipe input restricting element 3 after restricting element 3 by conduction pipe input indoor heat exchanger 41.
Restricting element 3 has the effect that reduces refrigerant vapour pressure.Electric expansion valve has advantages of to be convenient to control.
One of them in the present embodiment in two ports of the influent stream end of restricting element 3 and the second funtion part 6 is connected, in two ports of the second funtion part 6 wherein another is connected with one of them in two ports of the first funtion part 5, in two ports of the first funtion part 5 wherein another is connected by pipeline with control valve 2.
A wherein port in two ports that go out stream end and indoor heat exchanger 41 of restricting element 3 is connected, and the another port in two ports of indoor heat exchanger 41 is connected by pipeline with control valve 2.
In said structure, restricting element 3 can be to carrying out step-down operation through the cold-producing medium of heat release operation, then to the cold-producing medium input indoor heat exchanger 41 after step-down.
In the present embodiment the first funtion part 5 and the second funtion part 6 both connect or be connected by Heat Conduction Material between the two.When the first funtion part 5 and the second funtion part 6, both connect or are connected by Heat Conduction Material between the two, and the heat that in both, the more part of distribute heat is distributed can be to the operation that defrosts of whole outdoor heat exchanger 42.
In the present embodiment the first funtion part 5 be arranged on the second funtion part 6 above or below, be preferably the top that is arranged on the second funtion part 6.
Because the thermal current that carries heat can rise from the bottom up, in the time that the first funtion part 5 is arranged on the top of the second funtion part 6, when this defroster is applied to heat pump machine and heats operation, the heat that the second funtion part 6 of below is distributed can be realized defrosting operation preferably.In the time that the first funtion part 5 is arranged on the below of the second funtion part 6, when this defroster freezes operation, the heat that the first funtion part 5 of below is distributed can be realized defrosting operation preferably.
Preferred embodiment and preferred embodiment:
As shown in Figures 2 and 3, the defroster that the utility model embodiment provides, comprises indoor heat exchanger 41, outdoor heat exchanger 42, compressor 1 and control valve 2, and control valve 2 can be cross valve, and control valve 2 is preferably solenoid operated four-way valve.Outdoor heat exchanger 42 comprises the first funtion part (being preferably top) 5 and the second funtion part (being preferably bottom) 6, wherein: control valve 2 is arranged on the pipeline between fluid issuing, fluid inlet and indoor heat exchanger 41, first funtion part 5 of compressor 1.
The first funtion part 5 and the second funtion part 6 between the two and the second funtion part 6 be connected by conduction pipe between the two with indoor heat exchanger 41.
The duty of control valve 2 comprises the first state and the second state,
When control valve 2 is during as shown in Figure 2 in the first state, the pipeline conducting between the fluid issuing of compressor 1 and the first funtion part 5, the pipeline conducting between the fluid inlet of compressor 1 and indoor heat exchanger 41.The first funtion part 5 can be carried out sensible heat heat release operation to the fluid of process, and the second funtion part 6 can be carried out cold heat release operation to the fluid of process.
When control valve 2 is during as shown in Figure 3 and Figure 4 in the second state, pipeline conducting between the fluid issuing of compressor 1 and indoor heat exchanger 41, pipeline conducting between the fluid inlet of compressor 1 and the first funtion part 5, pipeline cut-off between the fluid issuing of compressor 1 and the first funtion part 5, the pipeline cut-off between the fluid inlet of compressor 1 and indoor heat exchanger 41.The first funtion part 5 can be carried out evaporation endothermic operation to the fluid of process, and the second funtion part 6 can be carried out condensation heat release operation to the fluid of process.
Now, this defroster can be realized the defrosting operation under heating condition.Start compressor 1, the refrigerant vapour of the fluid issuing output of compressor 1 can carry out condensation heat release operation while passing through indoor heat exchanger 41 successively, the heat distributing through the refrigerant vapour of indoor heat exchanger 41 can make indoor temperature raise, cold-producing medium is when indoor heat exchanger 41 flows out and pass through the second funtion part 6 of outdoor heat exchanger 42, can carry out further condensation heat release operation, the heat that the second funtion part 6 of outdoor heat exchanger 42 is distributed can provide heat to the top of outdoor heat exchanger 42 evaporation process that next the first funtion part 5 carries out.Can improve evaporating temperature and the evaporating pressure of this outdoor heat exchanger by this special construction, reduce frosting degree, after the first funtion part 5 is carried out evaporation endothermic operation, finally can flow back to compressor 1 through the cold-producing medium of the second funtion part 6 of outdoor heat exchanger 42.
In the present embodiment, on conduction pipe, be provided with restricting element 3, restricting element 3 can be electric expansion valve.Control valve 2, in the time of the first state, is inputted indoor heat exchanger 41 by conduction pipe via the fluid of the second funtion part 6 and conduction pipe input restricting element 3 successively after restricting element 3.Control valve 2, in the time of the second state, is inputted first funtion part 5 by conduction pipe via the fluid of the second funtion part 6 and conduction pipe input restricting element 3 successively after restricting element 3.
Restricting element 3 has the effect that reduces refrigerant vapour pressure.Electric expansion valve has advantages of to be convenient to control.
In the present embodiment, conduction pipe comprises the first check valve 7, the second check valve 8, the 3rd check valve 9 and the 4th check valve 10, wherein:
The going out stream end both be in parallel and be all connected with one of them in two ports of the first funtion part 5 of the influent stream end of the first check valve 7 and the second check valve 8, in two ports of the first funtion part 5 wherein another is connected by pipeline with control valve 2.
The influent stream end of the second check valve 8 is connected with the influent stream end that goes out stream end and the 3rd check valve 9 of restricting element 3 respectively.
The stream end of going out of the first check valve 7 is connected with one of them in two ports that go out stream end and the second funtion part 6 of the 4th check valve 10 respectively, in two ports of the second funtion part 6 wherein another is connected with the influent stream end of restricting element 3.
The stream end of going out of the 3rd check valve 9 is connected with one of them in the influent stream end of the 4th check valve 10 and two ports of indoor heat exchanger 41 respectively, in two ports of indoor heat exchanger 41 wherein another is connected by pipeline with control valve 2.
Four above-mentioned check valves have with low cost compared with the magnetic valve conventionally adopting in prior art, are convenient to the advantage connecting.
During connecting, above-mentioned pipeline changes the flow direction of the cold-producing medium that enters outdoor heat exchanger 42 by four check valves, when cold-producing medium is that outdoor heat exchanger 42 pipeline bottoms are while entering (as heating mode) from the second funtion part 6 of outdoor heat exchanger 42, the second funtion part 6 of outdoor heat exchanger 42 bottoms has just been equivalent to form an extra cool condenser excessively, cold-producing medium is in the further condensation heat release of the second funtion part 6 of outdoor heat exchanger 42, the temperature that has ensured condenser is high, when cold-producing medium is to evaporate in outdoor heat exchanger 42 upper strata pipelines through restricting element 3 in the first funtion part 5 of outdoor heat exchanger 42, the second funtion part 6 of bottom is owing to there being continuous condensation waste heat to exist, so although whole outdoor heat exchanger 42 is in evaporation low-temperature condition, but compared to existing technology, the outdoor heat exchanger monoblock of heat pump machine is as outdoor heat exchanger 42 frostings of condenser, the effect of the utility model defrosting has obtained very large lifting.
When cold-producing medium is that pipeline top enters (as refrigeration mode) from the first funtion part 5 of outdoor heat exchanger 42, above-mentioned outdoor heat exchanger 42 can have been given play to again the effectiveness of the entire area of condenser completely, the impact of condensation effect while not affecting refrigeration.Specific implementation: first cold-producing medium is to carry out sensible heat heat release in upper pipeline in the first funtion part 5 of outdoor heat exchanger 42, the second funtion part 6 that enters subsequently outdoor heat exchanger 42 be bottom pipeline in the cold heat release of further mistake, pass through again subsequently restricting element 3 evaporation endothermic in indoor heat exchanger 41.
In the present embodiment the first funtion part 5 and the second funtion part 6 both can be two parts of existing overall heat exchange device, or for example, be connected by Heat Conduction Material (: heat conductive rubber) between the two.In the present embodiment, the first funtion part 5 can be arranged on the top of the second funtion part 6.
With the embodiment of above-mentioned refrigerating part in like manner, because the thermal current that carries heat can rise from the bottom up, in the time that the first funtion part 5 is arranged on the top of the second funtion part 6, when this defroster is applied to heat pump machine and heats operation, the heat that the second funtion part 6 of below is distributed can be realized defrosting operation preferably.
The heat pump machine that the utility model embodiment provides, comprises the defroster that the arbitrary technical scheme of above-mentioned the utility model preferred embodiment provides.
The heat pump machine that the utility model embodiment provides had not only ensured not affect the heat transfer effect of existing condenser in the time of refrigerating operaton but also had ensured to improve the defrosting operation of carrying out under heating condition.
Two kinds of mode of operations of the heat pump machine that below concentrated elaboration the utility model provides:
1, refrigeration mode: high temperature refrigerant steam (or claiming: high-temperature exhaust air) directly imports the first funtion part 5 of outdoor heat exchanger 42 and carries out condensation heat release, carry out further crossing cold solidifying through the first check valve 7 heat conduction to outdoor heat exchanger 42 second funtion parts 6 subsequently, complete condensed cold-producing medium after the reducing pressure by regulating flow at restricting element 3, enter evaporation endothermic in indoor heat exchanger 41 by the 3rd check valve 9, get back to subsequently compressor 1.
2, heating mode: the high-temperature exhaust air of compressor 1 directly enters and carries out condensation heat release in indoor heat exchanger 41, enter subsequently the further condensation of the second funtion part 6 of outdoor heat exchanger 42 through the 4th check valve 10, complete further condensed cold-producing medium and enter restricting element 3 reducing pressure by regulating flows, enter afterwards the first funtion part 5 evaporation endothermics of outdoor heat exchanger 42 by the second check valve 8, finally from the first funtion part 5 of outdoor heat exchanger 42 flows out, sucked by compressor 1.
The Defrost method of the defroster that the utility model embodiment provides, at least comprises the following steps:
The first funtion part 5 that refrigerant vapour is imported to outdoor heat exchanger 42 is carried out sensible heat heat release operation.
The fluid that the first funtion part 5 is exported imports the second funtion part 6 of outdoor heat exchanger 42 and carried out cold heat release operation.
The fluid that the second funtion part 6 is exported imports indoor heat exchanger 41 and carries out evaporation endothermic operation.The Defrost method of the defroster that the utility model embodiment provides is further comprising the steps of:
Refrigerant vapour is imported to indoor heat exchanger 41 and carry out condensation heat release operation.
The fluid that indoor heat exchanger 41 is exported imports the second funtion part 6 and carries out condensation heat release operation.
The fluid that the second funtion part 6 is exported imports the first funtion part 5 and carries out evaporation endothermic operation.
Utilize heat that the second funtion part 6 discharges to outdoor heat exchanger 42 operation that defrosts.
Said method can be realized the operation that defrosts in the time of heating condition.
Above-mentioned arbitrary technical scheme disclosed in the utility model unless otherwise stated, if it discloses number range, so disclosed number range is preferred number range, any it should be appreciated by those skilled in the art: preferred number range is only the obvious or representative numerical value of technique effect in many enforceable numerical value.Because numerical value is more, cannot be exhaustive, so the utility model just discloses part numerical value to illustrate the technical solution of the utility model, and the above-mentioned numerical value of enumerating should not form the restriction of the utility model being created to protection domain.
If used the word such as " first ", " second " to limit parts herein, those skilled in the art should know: the use of " first ", " second " is only used to be convenient to describe above parts are distinguished as not having outside Stated otherwise, and above-mentioned word does not have special implication.
Simultaneously, if above-mentioned the utility model discloses or has related to parts or the structural member of connection fastened to each other, so, unless otherwise stated, be fixedly connected with and can be understood as: can dismantle and be fixedly connected with (for example using bolt or screw to connect), also can be understood as: non-removable being fixedly connected with (for example rivet, weld), certainly, connection fastened to each other also can for example, be replaced (obviously cannot adopt except integrally formed technique) by integral type structure (use casting technique is integrally formed to be created).
In addition, in the disclosed arbitrary technical scheme of above-mentioned the utility model applied for the term that represents position relationship or shape unless otherwise stated its implication comprise and its approximate, similar or approaching state or shape.Arbitrary parts that the utility model provides can be both to be assembled by multiple independent parts, the produced separate part of the technique that also can be one of the forming.
Finally should be noted that: above embodiment is only in order to illustrate that the technical solution of the utility model is not intended to limit; Although the utility model is had been described in detail with reference to preferred embodiment, those of ordinary skill in the field are to be understood that: still can modify or part technical characterictic is equal to replacement detailed description of the invention of the present utility model; And not departing from the spirit of technical solutions of the utility model, it all should be encompassed in the middle of the technical scheme scope of the utility model request protection.
Claims (8)
1. a defroster, is characterized in that, comprises indoor heat exchanger, outdoor heat exchanger, compressor and control valve, and described outdoor heat exchanger comprises the first funtion part and the second funtion part, wherein:
Described control valve is arranged on the pipeline between fluid issuing, fluid inlet and described indoor heat exchanger, described first funtion part of described compressor;
Described the first funtion part and described the second funtion part between the two and described the second funtion part be connected by conduction pipe between the two with described indoor heat exchanger;
The duty of described control valve comprises the first state and the second state,
When described control valve is during in the first state, the pipeline conducting between the fluid issuing of described compressor and described the first funtion part, the pipeline conducting between the fluid inlet of described compressor and described indoor heat exchanger; Described the first funtion part can be carried out sensible heat heat release operation to the fluid of process, and described the second funtion part can be carried out cold heat release operation to the fluid of process;
When described control valve is during in the second state, pipeline conducting between the fluid issuing of described compressor and described indoor heat exchanger, pipeline conducting between the fluid inlet of described compressor and described the first funtion part, pipeline cut-off between the fluid issuing of described compressor and described the first funtion part, the pipeline cut-off between the fluid inlet of described compressor and described indoor heat exchanger; Described the first funtion part can be carried out evaporation endothermic operation to the fluid of process, and described the second funtion part can be carried out condensation heat release operation to the fluid of process.
2. defroster according to claim 1, it is characterized in that, on described conduction pipe, be provided with restricting element, described control valve is in the time of the first state, and the fluid of inputting described restricting element via described the second funtion part and described conduction pipe is successively inputted described indoor heat exchanger by described conduction pipe after described restricting element;
Described control valve is in the time of the second state, and the fluid of inputting described restricting element via described the second funtion part and described conduction pipe is successively inputted described the first funtion part by described conduction pipe after described restricting element.
3. defroster according to claim 2, is characterized in that, described restricting element is electric expansion valve.
4. defroster according to claim 2, is characterized in that, described conduction pipe comprises the first check valve, the second check valve, the 3rd check valve and the 4th check valve, wherein:
The going out stream end both be in parallel and be all connected with one of them in two ports of described the first funtion part of the influent stream end of described the first check valve and described the second check valve, in two ports of described the first funtion part wherein another is connected by pipeline with described control valve;
The influent stream end of described the second check valve is connected with the influent stream end that goes out stream end and described the 3rd check valve of described restricting element respectively;
The stream end of going out of described the first check valve is connected with one of them in two ports that go out stream end and described the second funtion part of described the 4th check valve respectively, in two ports of described the second funtion part wherein another is connected with the influent stream end of described restricting element;
The stream end of going out of described the 3rd check valve is connected with one of them in the influent stream end of described the 4th check valve and two ports of described indoor heat exchanger respectively, in two ports of described indoor heat exchanger wherein another is connected by pipeline with described control valve.
5. defroster according to claim 1, is characterized in that, described control valve is solenoid operated four-way valve.
6. defroster according to claim 1, is characterized in that, described the first funtion part connects or is connected by Heat Conduction Material between the two with described the second funtion part.
7. according to the arbitrary described defroster of claim 1-6, it is characterized in that, described the first funtion part is arranged on the top of described the second funtion part.
8. a heat pump machine, is characterized in that, comprises the arbitrary described defroster of claim 1-7.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420261644.1U CN203908147U (en) | 2014-05-21 | 2014-05-21 | Defrosting device and heat pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420261644.1U CN203908147U (en) | 2014-05-21 | 2014-05-21 | Defrosting device and heat pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203908147U true CN203908147U (en) | 2014-10-29 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420261644.1U Withdrawn - After Issue CN203908147U (en) | 2014-05-21 | 2014-05-21 | Defrosting device and heat pump |
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| Country | Link |
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| CN (1) | CN203908147U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103954087A (en) * | 2014-05-21 | 2014-07-30 | 珠海格力电器股份有限公司 | Defrosting device, heat pump machine and defrosting method of defrosting device |
| US10941955B2 (en) | 2017-10-27 | 2021-03-09 | Dometic Sweden Ab | Systems, methods, and apparatuses for providing communications between climate control devices in a recreational vehicle |
| US11254183B2 (en) | 2017-08-25 | 2022-02-22 | Dometic Sweden Ab | Recreational vehicle, cooling device, controlling system and method for controlling the cooling device |
-
2014
- 2014-05-21 CN CN201420261644.1U patent/CN203908147U/en not_active Withdrawn - After Issue
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103954087A (en) * | 2014-05-21 | 2014-07-30 | 珠海格力电器股份有限公司 | Defrosting device, heat pump machine and defrosting method of defrosting device |
| CN103954087B (en) * | 2014-05-21 | 2016-03-23 | 珠海格力电器股份有限公司 | The Defrost method of defroster, heat pump machine and defroster |
| US11254183B2 (en) | 2017-08-25 | 2022-02-22 | Dometic Sweden Ab | Recreational vehicle, cooling device, controlling system and method for controlling the cooling device |
| US11919363B2 (en) | 2017-08-25 | 2024-03-05 | Dometic Sweden Ab | Recreational vehicle, cooling device, controlling system and method for controlling the cooling device |
| US10941955B2 (en) | 2017-10-27 | 2021-03-09 | Dometic Sweden Ab | Systems, methods, and apparatuses for providing communications between climate control devices in a recreational vehicle |
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