CN207035551U - One kind refrigeration and heating throttle system - Google Patents
One kind refrigeration and heating throttle system Download PDFInfo
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- CN207035551U CN207035551U CN201720746582.7U CN201720746582U CN207035551U CN 207035551 U CN207035551 U CN 207035551U CN 201720746582 U CN201720746582 U CN 201720746582U CN 207035551 U CN207035551 U CN 207035551U
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- refrigeration
- heating
- expansion valve
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Abstract
The utility model discloses one kind refrigeration and heating throttle system, including evaporator, condenser, refrigeration expansion valve and heating expansion valve：The input of refrigeration expansion valve and the output end of condenser are connected, and the output end of refrigeration expansion valve and the input of evaporator are connected, and the first temperature-sensitive bag of refrigeration expansion valve is connected with evaporator；The output end of the input and evaporator that heat expansion valve connects, and heats the output end of expansion valve and the input of condenser connects, the second temperature-sensitive bag for heating expansion valve is connected with condenser.Using refrigeration and heating throttle system disclosed in the utility model, by setting refrigeration expansion valve to realize the refrigeration of system, by setting heating expansion valve to realize the heating of system, so that refrigeration and heating efficiency reach optimal, to realize that winter efficiently heats in north cold area, realize energy-saving and emission-reduction, alternative conventional hot water boiler heating and domestic hot-water supply.
Description
Technical field
Refrigeration and heating technical equipment field are the utility model is related to, freezes more specifically to one kind and heating is used
Throttle system.
Background technology
In general throttling of heat pump device cooling and warming uses same expansion valve, is typically set up according to cooling in summer operating mode
, do not readjust during winter heating.Because the condensation temperature in cooling in summer of ice source heat pump is 30 DEG C or so, evaporating temperature
For 5 DEG C or so.And condensation temperature is 50 DEG C or so during southern winter heating, evaporating temperature is -5 DEG C or so, for north of china in winter
Evaporating temperature is that therefore -15 DEG C or so freeze and the operating mode of heating difference is larger during heating.Evaporation capacity during refrigeration is big
Much, environment temperature when heating is low, and the evaporating temperature of refrigeration system is lower, and evaporation endothermic amount is less than cooling in summer amount,
Aperture is excessive during winter heating, and restriction effect is bad, causes evaporation effect bad, or even the liquid refrigerant stream either with or without evaporation
Compressor is returned, delivery temperature reduces, and influences heating effect.
In summary, how to efficiently solve the cooling and warming when the northern temperature difference is larger influence each other, heating effect it is poor
The problems such as, it is current those skilled in the art's urgent problem.
Utility model content
In view of this, the purpose of this utility model is to provide a kind of refrigeration and heating throttle system, to solve in north
The problems such as cooling and warming influences each other, heating effect is poor when the square temperature difference is larger.
In order to achieve the above object, the utility model provides following technical scheme：
One kind refrigeration and heating throttle system, including evaporator, condenser, refrigeration expansion valve and heating expansion valve：
The input of the refrigeration expansion valve is connected with the output end of the condenser, the output end of the refrigeration expansion valve
It is connected with the input of the evaporator, the first temperature-sensitive bag of the refrigeration expansion valve is connected with the evaporator；
The input of the heating expansion valve is connected with the output end of the evaporator, the output end of the heating expansion valve
It is connected with the input of the condenser, the second temperature-sensitive bag of the heating expansion valve is connected with the condenser.
Preferably, in above-mentioned refrigeration and heating throttle system, the input of the refrigeration expansion valve and the condensation
It is provided with the first check valve between the output end of device, the is provided between the input of the output end of the refrigeration expansion valve and the evaporator
Two check valves；
The 3rd check valve is provided between the input of the heating expansion valve and the output end of the evaporator, the heating is swollen
The 4th check valve is provided between the input of the output end of swollen valve and the condenser.
Preferably, in above-mentioned refrigeration and heating throttle system, the input of the refrigeration expansion valve and the heating
The branch road of the input of expansion valve merges, and the branch road is provided with drying device.
Preferably, in above-mentioned refrigeration and heating throttle system, the drying device is device for drying and filtering.
Preferably, in above-mentioned refrigeration and heating throttle system, the branch road, which is provided with, to be used to enter promoting the circulation of qi to refrigerant
The reservoir of liquid separation.
Preferably, in above-mentioned refrigeration and heating throttle system, branch road where the input of the refrigeration expansion valve is set
There is refrigeration magnetic valve, branch road where the input of the heating expansion valve is provided with heating magnetic valve.
Preferably, in above-mentioned refrigeration and heating throttle system, pipeline is provided with for maintenance where the condenser
First service valve, pipeline is provided with the second service valve for overhauling where the evaporator.
Preferably, in above-mentioned refrigeration and heating throttle system, in addition to for realizing the electromagnetism of cooling and warming conversion
Four-way valve.
Refrigeration provided by the utility model and heating throttle system, including evaporator, condenser, refrigeration expansion valve and system
Thermal expansion valve；The output end of the input of refrigeration expansion valve and condenser connects, the output end of refrigeration expansion valve and evaporator
Input is connected, and the first temperature-sensitive bag of refrigeration expansion valve is connected with evaporator；Heat expansion valve input and evaporator it is defeated
Go out end connection, heat the output end of expansion valve and the input of condenser connects, heat the second temperature-sensitive bag and the condensation of expansion valve
Device connects.
Using refrigeration provided by the utility model and heating throttle system, by setting refrigeration expansion valve to realize system
Refrigeration, by setting heating expansion valve to realize the heating of system so that refrigeration and heating efficiency reach optimal, with northern cold
Area realizes that winter efficiently heats, and realizes energy-saving and emission-reduction, alternative conventional hot water boiler heating and domestic hot-water supply.
Brief description of the drawings
, below will be to embodiment in order to illustrate more clearly of the utility model embodiment or technical scheme of the prior art
Or the required accompanying drawing used is briefly described in description of the prior art, it should be apparent that, drawings in the following description are only
It is some embodiments of the utility model, for those of ordinary skill in the art, is not paying the premise of creative work
Under, other accompanying drawings can also be obtained according to these accompanying drawings.
Fig. 1 is the structural representation of the refrigeration that the utility model embodiment provides and heating throttle system；
Fig. 2 is the mounting structure of the reservoir of the refrigeration that the another embodiment of the utility model provides and heating throttle system
Schematic diagram；
Fig. 3 is the mounting structure for pipeline signal of the refrigeration that the another embodiment of the utility model provides and heating throttle system
Figure.
Marked in accompanying drawing as follows：
Refrigeration expansion valve 1, refrigeration magnetic valve 2, heating expansion valve 3, heating magnetic valve 4, device for drying and filtering the 5, the 4th are unidirectional
Valve 6, the first check valve 7, the second check valve 8, the 3rd check valve 9, the first service valve 10, the second service valve 11, condenser 12, steaming
Send out device 13, the second temperature-sensitive bag 14, the first temperature-sensitive bag 15, reservoir 16.
Embodiment
The utility model embodiment discloses a kind of refrigeration and heating throttle system, to solve when the northern temperature difference is larger
The problems such as cooling and warming influences each other, heating effect is poor.
Below in conjunction with the accompanying drawing in the utility model embodiment, the technical scheme in the embodiment of the utility model is carried out
Clearly and completely describing, it is clear that described embodiment is only the utility model part of the embodiment, rather than whole
Embodiment.Based on the embodiment in the utility model, those of ordinary skill in the art are not under the premise of creative work is made
The every other embodiment obtained, belong to the scope of the utility model protection.
Fig. 1-Fig. 3 is referred to, Fig. 1 is that the refrigeration of the utility model embodiment offer and the structure of heating throttle system are shown
It is intended to；Fig. 2 is that the mounting structure of the reservoir of the refrigeration that the another embodiment of the utility model provides and heating throttle system shows
It is intended to；Fig. 3 is the mounting structure for pipeline schematic diagram of the refrigeration that the another embodiment of the utility model provides and heating throttle system.
In a kind of specific embodiment, refrigeration provided by the utility model and heating throttle system, including evaporation
Device 13 and refrigeration expansion valve 1, the input of refrigeration expansion valve 1 are connected with the output end of condenser 12, the output of refrigeration expansion valve 1
End is connected with the input of evaporator 13, and the first temperature-sensitive bag 15 of refrigeration expansion valve 1 is connected with evaporator 13, is detected with basis
Temperature the opening degree of refrigeration expansion valve 1 is adjusted, refrigerant vapour enters condenser 12 by the input of compressor,
Liquid refrigerant flows into refrigeration expansion valve 1 by the road, and refrigerant flows into after refrigeration expansion valve 1 carries out throttling decrease temperature and pressure to it
Heat absorption is evaporated to evaporator 13, completes a refrigerative circle system；Also include condenser 12 and heating expansion valve 3, heating
The input of expansion valve 3 is connected with the output end of evaporator 13 (being condenser during heating), heat expansion valve 3 output end with it is cold
The input connection of condenser 12 (being evaporator during heating), the second temperature-sensitive bag of heating expansion valve 3 (are during heating with condenser 12
Evaporator) connection, when being heated as needed, refrigerant vapour enters evaporator 13 by the input footpath of compressor
(being condenser during heating), liquid refrigerant flow to heating expansion valve 3 by the road, and heating expansion valve 3 after reducing pressure by regulating flow to freezing
Agent enters to condenser 12 (being evaporator during heating) and is evaporated heat absorption, completes once heating circulation.Evaporator 13 now
Condenser during to heat, the heat for condensing releasing are supplied to user heating or domestic hot-water.Pass through refrigeration expansion valve 1 and system respectively
Thermal expansion valve 3 realizes the refrigeration process and heating process of system, to realize that winter efficiently heats in north cold area, realizes section
Can emission reduction, alternative conventional hot water boiler heating and domestic hot-water supply.
It is understood that between the first temperature-sensitive bag 15 and evaporator 13 of refrigeration expansion valve 1, heat the second of expansion valve 3
Position and annexation between temperature-sensitive bag 14 and condenser 12 refer to prior art, will not be repeated here.
Specifically, being provided with the first check valve 7 between the input of refrigeration expansion valve 1 and the output end of condenser 12, refrigeration is swollen
The second check valve 8 is provided between the output end of swollen valve 1 and the input of evaporator 13；
Heat and the 3rd check valve 9 is provided between the input of expansion valve 3 and the output end of evaporator 13, heating expansion valve 3
The 4th check valve 6 is provided between the input of output end and condenser 12.
In order to prevent liquid from flowing back, first can be set between the input of refrigeration expansion valve 1 and the output end of condenser 12
Check valve 7, heat and the 3rd check valve 9 is set between the input of expansion valve 3 and the output end of evaporator 13, i.e., in refrigerant from pressure
After the outflow of contracting machine, it is impossible to reverse reflux, while the liquid that the liquid in order to be exported from refrigeration expansion valve 1 or heating expansion valve 3 export
Body can not be flowed back, and the second check valve 8 is set between the output end of refrigeration expansion valve 1 and evaporator 13, heat the output of expansion valve 3
The 4th check valve 6 is set respectively between end and condenser 12.
Further, the branch road of the input of the input of refrigeration expansion valve 1 and heating expansion valve 3 merges, and branch road
It is provided with drying device.
It is understood that refrigerant during in order to refrigeration and heating is dried, can be in refrigeration expansion valve 1 and heating
Drying device is set on branch road where the input of expansion valve 3, so that refrigerant to be dried, drying device can be according to reality
Need to be configured, as long as technique effect in the same manner can be reached.
Specifically, drying device can be device for drying and filtering 5, certainly, in other embodiments, or other shapes
Formula, in the scope of protection of the utility model.
Further, branch road is provided with the reservoir 16 for being used for that gas-liquid separation to be carried out to refrigerant.In order to freeze to entering
The refrigerant of expansion valve 1 and heating expansion valve 3 carries out gas-liquid separation, can be by setting preferably to reach refrigeration and heating effect
Put reservoir 16 and realize that exporting complete liquid refrigerant supplies expansion valve, and the gas in refrigerant is separated, realize complete
Liquid refrigerant carries out expansion throttling, makes the evaporation effect of system more preferable.Certainly, in other embodiments, can also be without
Above-mentioned setting, can voluntarily it be selected, herein only preferred embodiment.
On the basis of the various embodiments described above, branch road where the input of refrigeration expansion valve 1 is provided with refrigeration magnetic valve 2, system
Branch road where the input of thermal expansion valve 3 is provided with heating magnetic valve 4., can be in refrigerant-expansion in order to realize intelligent control to system
Branch road where the input of valve 1 sets refrigeration magnetic valve 2, and the magnetic valve 2 that freezes in one embodiment, during refrigeration, which is powered, to be opened,
The energization of magnetic valve 4 is then heated when heating the power-off of magnetic valve 4 to disconnect, and heating to open, the refrigeration power-off of magnetic valve 2 disconnects, certainly, originally
Magnetic valve in embodiment is normally closed solenoid valve, can also select normally open solenoid valve by changing control mode to realize, and stopping
After machine, closed electromagnetic valve with prevent liquid refrigerant return to compressor formed liquid accumulate.Certainly, in other embodiments, can also
The motor-driven valve of other forms is selected, as long as identical technique effect can be reached, can also voluntarily be set according to being actually needed
Its condition of work is put, in the scope of protection of the utility model.
Further, the place pipeline of condenser 12 is provided with the first service valve 10 for overhauling, the place pipeline of evaporator 13
It is provided with the second service valve 11 for overhauling.
In order to when system is to be repaired, pipeline be disconnected, first maintenance can be set in the pipeline where condenser 12
Valve 10, likewise, second service valve 11 is set in the pipeline where evaporator 13, what its specific position can be actual according to system
Pipeline arrangement is configured, can also be without above-mentioned setting, to specific as long as can reach identical technique effect
Implementation is not construed as limiting.
Further, in addition to for realizing cooling and warming the solenoid operated four-way valve changed.Realized by solenoid operated four-way valve
Device freezes and the conversion of heating, certainly, in other embodiments, can also such as pass through water route without above-mentioned setting
The refrigeration system of outer switching.
In a kind of specific embodiment, when cooling system, the output end of the condensed device 12 of refrigerant to the first inspection
Valve 10, the first check valve 7 are repaiied, and by device for drying and filtering 5 to refrigeration expansion valve 1, wherein refrigeration magnetic valve 2 is opening,
Heating magnetic valve 4 is closed mode, and refrigerant is throttled through refrigeration expansion valve 1, flows to and evaporates from output end after reducing pressure by regulating flow
Device 13, wherein by the second check valve 8 and the second service valve 11, refrigeration is evaporated in evaporator 13；When system heats, system
Cryogen through evaporator 13 (now functioning as condenser) heating cooling after become liquid, from its output end flow to the second service valve 11,
3rd check valve 9, flow through to device for drying and filtering 5, and enter the input throttling of heating expansion valve 3, now heating magnetic valve 4 is
Opening, refrigeration magnetic valve 2 are closed mode.The magnetic valve 2 that freezes can be closed mode, can be configured as needed.
Refrigerant flows back into condenser 12 through the 4th check valve 6, the first service valve 10 by heating the output end of expansion valve 3 and absorbed heat (this
When be used as evaporator), realize heating operations.Certainly, in other embodiments, can also be without above-mentioned device for drying and filtering 5
Set, can be by setting reservoir 16, or the mode of the two setting simultaneously, preferably to reach evaporation effect.
In the system, refrigerant realizes the refrigeration of system by refrigeration expansion valve 1, now heats magnetic valve 4 and powers off, refrigerant leads to
The heating that heating expansion valve 3 realizes system is crossed, the magnetic valve 2 that now freezes powers off, to freeze and heat respectively different
Optimal degree of superheat regulation is corresponded under environmental working condition, realize system in the case where freezing and heating two kinds of operating modes Energy Efficiency Ratio all in most
It is good, solve conventional heat pump system meet refrigeration it is optimal when and heating efficiency it is poor or meet heating it is optimal when and refrigerating efficiency compared with
Difference, and realize the energy-saving and emission-reduction of system.
Each embodiment is described by the way of progressive in this specification, what each embodiment stressed be and other
The difference of embodiment, between each embodiment identical similar portion mutually referring to.
The foregoing description of the disclosed embodiments, professional and technical personnel in the field are enable to realize or new using this practicality
Type.A variety of modifications to these embodiments will be apparent for those skilled in the art, determine herein
The General Principle of justice can be realized in other embodiments in the case where not departing from spirit or scope of the present utility model.Cause
This, the utility model is not intended to be limited to the embodiments shown herein, and is to fit to and principles disclosed herein
The most wide scope consistent with features of novelty.
Claims (8)
1. one kind refrigeration and heating throttle system, it is characterised in that including evaporator, condenser, refrigeration expansion valve and heating
Expansion valve：
The input of the refrigeration expansion valve is connected with the output end of the condenser, the output end of the refrigeration expansion valve and institute
The input connection of evaporator is stated, the first temperature-sensitive bag of the refrigeration expansion valve is connected with the evaporator；
The input of the heating expansion valve is connected with the output end of the evaporator, the output end of the heating expansion valve and institute
The input connection of condenser is stated, the second temperature-sensitive bag of the heating expansion valve is connected with the condenser.
2. refrigeration according to claim 1 and heating throttle system, it is characterised in that the input of the refrigeration expansion valve
The first check valve is provided between the output end of end and the condenser, the output end of the refrigeration expansion valve is defeated with the evaporator
Enter and be provided with the second check valve between holding；
The 3rd check valve, the heating expansion valve are provided between the input of the heating expansion valve and the output end of the evaporator
Output end and the condenser input between be provided with the 4th check valve.
3. refrigeration according to claim 2 and heating throttle system, it is characterised in that the input of the refrigeration expansion valve
The branch road of the input of end and the heating expansion valve merges, and the branch road is provided with drying device.
4. refrigeration according to claim 3 and heating throttle system, it is characterised in that the drying device is dried
Filter.
5. it is according to claim 4 refrigeration and heating throttle system, it is characterised in that the branch road provided with for pair
Refrigerant carries out the reservoir of gas-liquid separation.
6. refrigeration and heating throttle system according to claim any one of 1-5, it is characterised in that the refrigerant-expansion
Branch road where the input of valve is provided with refrigeration magnetic valve, and branch road where the input of the heating expansion valve is provided with heating electromagnetism
Valve.
7. refrigeration according to claim 6 and heating throttle system, it is characterised in that pipeline where the condenser is set
There is the first service valve for maintenance, pipeline is provided with the second service valve for overhauling where the evaporator.
8. refrigeration according to claim 7 and heating throttle system, it is characterised in that also include being used to realize refrigerated medium
The solenoid operated four-way valve of hot-cast socket.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720746582.7U CN207035551U (en) | 2017-06-20 | 2017-06-20 | One kind refrigeration and heating throttle system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720746582.7U CN207035551U (en) | 2017-06-20 | 2017-06-20 | One kind refrigeration and heating throttle system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207035551U true CN207035551U (en) | 2018-02-23 |
Family
ID=61468933
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720746582.7U Expired - Fee Related CN207035551U (en) | 2017-06-20 | 2017-06-20 | One kind refrigeration and heating throttle system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207035551U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107144041A (en) * | 2017-06-20 | 2017-09-08 | 重庆鸿佳新科技有限公司 | One kind, which is freezed and heated, uses throttle system |
-
2017
- 2017-06-20 CN CN201720746582.7U patent/CN207035551U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107144041A (en) * | 2017-06-20 | 2017-09-08 | 重庆鸿佳新科技有限公司 | One kind, which is freezed and heated, uses throttle system |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180223 Termination date: 20190620 |
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| CF01 | Termination of patent right due to non-payment of annual fee |