CN206281104U - High efficiency solar refrigeration unit - Google Patents
High efficiency solar refrigeration unit Download PDFInfo
- Publication number
- CN206281104U CN206281104U CN201621267914.5U CN201621267914U CN206281104U CN 206281104 U CN206281104 U CN 206281104U CN 201621267914 U CN201621267914 U CN 201621267914U CN 206281104 U CN206281104 U CN 206281104U
- Authority
- CN
- China
- Prior art keywords
- generator
- solution
- high efficiency
- low pressure
- refrigeration unit
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Landscapes
- Sorption Type Refrigeration Machines (AREA)
Abstract
The utility model is related to high efficiency solar refrigeration unit, including generator, condenser, refrigerant choke valve, evaporator, absorber and the solution heat exchanger being sequentially connected；It is characterized in that：Also include the solar thermal collector for heating generator inner refrigerant solution, hot water storage tank is connected between the solar thermal collector and generator, heat-exchanger pump is laid between hot water storage tank and generator；Pattern switching valve is also laid between the generator and condenser and low pressure occurs servicing unit, there is the heat source temperature needed for servicing unit can significantly reduce absorption refrigeration in low pressure set by the utility model, so as to greatly improve collector efficiency, reduce system heat loss, the target for improving solar thermal utilization efficiency is reached.
Description
Technical field
The utility model belongs to solar airconditioning and refrigeration technology field, and in particular to a kind of high efficiency solar refrigeration
Unit.
Background technology
Air-conditioning and energy consumption for cooling are very big, in recent years because the play of power network pressure largely occurs using electric refrigeration air-conditioner in China
Increase, or even the problem for taking power cuts to limit consumption not enough to alleviate supply of electric power of having to.Driven by Solar Energy type air conditioner refrigerating device system
System using regenerative resource due to effectively having obtained increasing attention.Traditional solar absorption refrigeration system requirement heat
Source temperature is higher, cause the less efficient of solar thermal collector, and system heat loss is larger, it usually needs increase solar energy heating
Device area is made up.It can be seen that, not only efficiency has much room for improvement and also has reduction on initial cost for traditional solar refrigeration system
Space.If fully rationally using the solar energy of different radiation intensity, the efficient utilization to improving solar energy has great section
Can the value of environmental protection.
For above-mentioned technical problem, therefore needs are improved.
Utility model content
The utility model is to overcome above-mentioned defect of the prior art, there is provided a kind of simple structure, easy to use, peace
Complete reliable high efficiency solar refrigeration unit；Occur needed for servicing unit can significantly reduce absorption refrigeration by low pressure
Heat source temperature, so as to greatly improve collector efficiency, reduce system heat loss, reach improve solar thermal utilization efficiency mesh
Mark.Additionally, when solar energy is more sufficient or cooling load is smaller, low pressure can be bypassed servicing unit occurs, to reduce machine
Group energy consumption.
In order to reach object above, the technical scheme that the utility model is used is：High efficiency solar refrigeration unit,
Including the generator, condenser, refrigerant choke valve, evaporator, absorber and the solution heat exchanger that are sequentially connected；Its feature exists
In：Also include the solar thermal collector for heating generator inner refrigerant solution, the solar thermal collector and generator it
Between be connected with hot water storage tank, heat-exchanger pump is laid between hot water storage tank and generator；Cloth is gone back between the generator and condenser
It is provided with pattern switching valve and low pressure occurs servicing unit.
As a kind of preferred scheme of the present utility model, solution pump is connected between the absorber and solution heat exchanger
With solution choke valve；Wherein, solution pump and solution choke valve are parallel between absorber and solution heat exchanger.
As a kind of preferred scheme of the present utility model, cooling medium entrance is laid with the absorber, on the other hand
Answer, the condenser is provided with the cooling medium outlet being adapted with cooling medium entrance, absorber is connected with condenser.
Used as a kind of preferred scheme of the present utility model, the evaporator is provided with the refrigerating come in and gone out for refrigerating medium and is situated between
Matter is exported and refrigerating medium inlet.
As a kind of preferred scheme of the present utility model, the low pressure there is servicing unit and pattern switching valve be with
The device of relevance automatic control function, when generator inlet water temperature is higher than certain value, then closes low pressure and servicing unit, open-minded occurs
Pattern switching valve；When generator inlet water temperature is less than certain value, then opens low pressure and servicing unit, close pattern switching occur
Valve.
Used as a kind of preferred scheme of the present utility model, it is blower fan or compressor that the low pressure occurs servicing unit.
Used as a kind of preferred scheme of the present utility model, the cooling medium is water, solution or air.
Used as a kind of preferred scheme of the present utility model, the refrigerating medium is water, solution or air.
Used as a kind of preferred scheme of the present utility model, the refrigerant solution of the solar refrigeration unit uses lithium bromide water
Solution, wherein refrigerant are water.
The beneficial effects of the utility model are：
（1）Traditional solar absorption refrigeration system requirement heat source temperature is higher, cause the efficiency of solar thermal collector compared with
It is low, and system heat loss is larger；Low pressure generation servicing unit set by the utility model can be significantly reduced needed for absorption refrigeration
Heat source temperature, so as to greatly improve collector efficiency, reduce system heat loss, reach improve solar thermal utilization efficiency mesh
Mark；
（2）Traditional solar absorption refrigeration system generally needs larger heat collector area to reach required thermal source temperature
Degree and heat, the utility model can reduce heat collector face because the heat source temperature for needing is relatively low, solar energy heating efficiency is higher
Product；
（3）The utility model has mode switch function, when heat production temperature is higher, runs normal refrigeration mode；Work as product
When hot temperature is relatively low, there is refrigeration mode in operation low pressure.Solar energy to different radiation intensity can be realized by pattern switching
Reasonable utilization；
Generally speaking, the utility model can both improve the profit to regenerative resource of existing solar airconditioning refrigeration system
With efficiency, the initial cost of system can be reduced again, be a kind of new type solar energy air-conditioning refrigeration system of energy saving economy.
Brief description of the drawings
Fig. 1 is the structure principle chart of high efficiency solar refrigeration unit disclosed in the utility model.
Fig. 2 is that high efficiency solar refrigeration unit operation low pressure occurs the signal of refrigeration mode disclosed in the utility model
Figure.
Fig. 3 is the schematic diagram that high efficiency solar refrigeration unit disclosed in the utility model runs normal refrigeration mode.
Reference in figure：Solar thermal collector 1；Hot water storage tank 2；Heat-exchanger pump 3；Generator 4；Solution heat exchanger 5；It is molten
Liquid pump 6；Solution choke valve 7；Absorber 8；Pattern switching valve 9；There is servicing unit 10 in low pressure；Condenser 11；Refrigerant section
Stream valve 12；Evaporator 13；Cooling medium entrance 14；Cooling medium outlet 15；Refrigerating medium inlet 16；Refrigerating media outlet 17.
Specific embodiment
The utility model embodiment is elaborated below in conjunction with the accompanying drawings.
Embodiment：It is as shown in figure 1, be the structure principle chart of high efficiency solar refrigeration unit including generator 4, cold
Condenser 11, refrigerant choke valve 12, evaporator 13, absorber 8 and solution heat exchanger 5 are sequentially connected the refrigerant circuit of composition,；
The gas vent of generator 4 is connected with the entrance of condenser 11, also including for the inner refrigerant of heating generator 4
The solar thermal collector 1 of solution, is connected with hot water storage tank 2 between the solar thermal collector 1 and generator 4, hot water storage tank 2 with
Heat-exchanger pump 3 is laid between generator 4；Pattern switching valve 9 and low pressure are also laid between the generator 4 and condenser 11
Generation servicing unit 10；Refrigeration unit of the present utility model cleverly drives refrigeration, and fully profit using low-grade solar energy
With the energy in system, energy complement is realized, the advantage with multiple energy-saving is not required to consume high-grade electric energy, has saved the energy.
It is the device with relevance automatic control function that low pressure occurs servicing unit 10 and pattern switching valve 9, when generator 4
When inlet water temperature is higher than certain value, then closes low pressure and servicing unit 10 occurs, pattern switching valve 9 is opened；When the entrance of generator 4
When water temperature is less than certain value, then opens low pressure and servicing unit 10, close pattern switch valve 9 occur；There is servicing unit in low pressure
10 is blower fan or compressor；Low pressure generation servicing unit 10 set by the utility model can be significantly reduced needed for absorption refrigeration
Heat source temperature, so as to greatly improve collector efficiency, reduce system heat loss, reaches the mesh for improving solar thermal utilization efficiency
Mark；Meanwhile, the utility model is provided with close pattern switch valve 9, with mode switch function, when heat production temperature is higher,
Operation normal refrigeration mode；When heat production temperature is relatively low, there is refrigeration mode in operation low pressure.It is right to be realized by pattern switching
The reasonable utilization of the solar energy of different radiation intensity.
Solution pump 6 and solution choke valve 7 are connected between absorber 8 and solution heat exchanger 5；Wherein, solution pump 6 and molten
Liquid choke valve 7 is parallel between absorber 8 and solution heat exchanger 5.Refrigerant vapour after evaporation is inhaled by solution in absorber 8
Heat release after receipts, then enters after solution heat exchanger 5 reclaims heat through solution pump 6 and enters generator 4；Solution in generator 4
Go out after refrigerant vapour to flow into and lower the temperature in solution heat exchanger 5 heat release, then enter after the reducing pressure by regulating flow of solution choke valve 7
In absorber.
Cooling medium entrance 14 is laid with absorber 8, corresponding, the condenser 11 is provided with and is situated between with cooling
The cooling medium outlet 15 that matter entrance 14 is adapted, absorber 8 is connected with condenser 11；Cooling medium is from cooling medium entrance
14 sequentially enter heat up in absorber 8 and condenser 11 after flowed out from cooling medium outlet 15；Refrigerating medium enters from refrigerating medium
Mouthfuls 16 flow out into after lowering the temperature in evaporator 13 from refrigerating media outlet 17, then supply user；Refrigeration unit uses evaporator
13 replace traditional compressor, have saved the consumption of electric power, make system more simplified, compact；It is former according to evaporator 13
Reason, because it does not need consumed energy so that the energy consumption reduction in refrigeration system, and more refrigerants can be provided, make system
Cold efficiency is improved, to the regional significant of power supply shortage.、
Evaporator 13 is provided with the refrigerating media outlet 17 and refrigerating medium inlet 16 come in and gone out for refrigerating medium, and refrigerating is situated between
Matter from refrigerating medium inlet 16 into evaporator 13 in lower the temperature after flowed out from refrigerating media outlet 17, then supply user, refrigerating
Medium is water, solution or air；It is refrigerating medium that the utility model is used with water, and refrigeration unit is run under vacuum conditions again,
Odorless, it is nontoxic, without explosion danger, it is safe and reliable, meet the requirement of environmental protection；Whole refrigerating plant is except the solution of power very little
Outside pump 6, there is no other moving components, vibrate that small, noise is low, running and comparing is quiet, be particularly well-suited to hospital, hotel, dining room,
The occasions such as office block, cinema.
Flowing is refrigerant solution in unit, and the unit uses lithium bromide water solution, and wherein refrigerant is water.Generator
Lithium bromide weak solution in 4 is inhaled by becoming concentrated solution after the heating of solar thermal collector 1 by being flowed into after solution heat exchanger 5
Receive in device 8 and carry refrigerant mixing Posterior circle with the low temperature for carrying out flash-pot 13 and utilize.
Fig. 2 is that high efficiency solar refrigeration unit operation low pressure occurs the signal of refrigeration mode disclosed in the utility model
Figure.When the hot water temperature that solar thermal collector 1 is produced is relatively low, the heat source temperature flowed into by hot water storage tank 2 in generator 4 is also inclined
It is low, if direct drive conventional absorption kind of refrigeration cycle, can cause that refrigerating efficiency is low, refrigerating capacity is not enough, even cannot at all
Operation.Now should close pattern switch valve 9, unlatching low pressure generation servicing unit 10.Occur in condensing pressure and low pressure auxiliary
In the case of helping the pressure at expulsion of device 10 certain, the pressure of inspiration(Pi) that low pressure occurs servicing unit 10 is substantially less than condensing pressure,
The Effec-tive Function of solar refrigeration unit is also can guarantee that in the case where heat source temperature is relatively low.Solution in generator 4 goes out
Low-pressure refrigerant vapor through low pressure occur servicing unit 10 compress after enter condenser 11 in condense heat release, become refrigerant liquid
Body, enters evaporation endothermic in evaporator 13 after the reducing pressure by regulating flow of refrigerant choke valve 12；Refrigerant vapour after evaporation is absorbed
Heat release after solution absorbs in device 8, then enters after solution heat exchanger 5 reclaims heat through solution pump 6 and enters generator 4；Occur
Solution in device 4 goes out after refrigerant vapour to flow into and lower the temperature in solution heat exchanger 5 heat release, is then saved through solution choke valve 7
Enter in absorber after stream step-down；Cooling medium heats up in sequentially entering absorber 8 and condenser 11 from cooling medium entrance 14
Flowed out from cooling medium outlet 15 afterwards；Refrigerating medium is from the entrance of refrigerating medium inlet 16 evaporator 13 from refrigerating medium after cooling
Outlet 17 is flowed out, and then supplies user.
Fig. 3 is the schematic diagram that high efficiency solar refrigeration unit disclosed in the utility model runs normal refrigeration mode.
When the hot water temperature that solar thermal collector 1 is produced is sufficiently high, the heat source temperature flowed into by hot water storage tank 2 in generator 4 is also sufficient
Enough height, if being still used to drive low pressure that Absorption Cooling System occurs, although can continue to improve the refrigerating capacity of unit, but
But the energy consumption that can cause low pressure that servicing unit 10 occurs increases, and the combination property of solar refrigeration unit might not be dominant.
This appropriate to the occasion open mode switch valve 9, closes low pressure and servicing unit 10 occurs.The compacting high that solution in generator 4 goes out
Refrigerant vapor is directly entered in condenser 11 through pattern switching valve 9 and condenses heat release, becomes refrigerant liquid, is throttled through refrigerant
Enter evaporation endothermic in evaporator 13 after the reducing pressure by regulating flow of valve 12；After refrigerant vapour after evaporation is absorbed by solution in absorber 8
Heat release, then enters after solution heat exchanger 5 reclaims heat through solution pump 6 and enters generator 4；Solution in generator 4 occurs
Go out after refrigerant vapour to flow into and lower the temperature in solution heat exchanger 5 heat release, then enter after the reducing pressure by regulating flow of solution choke valve 7 and absorb
In device；Cooling medium is exported after being heated up in sequentially entering absorber 8 and condenser 11 from cooling medium entrance 14 from cooling medium
15 outflows；Refrigerating medium from refrigerating medium inlet 16 into evaporator 13 in lower the temperature after flowed out from refrigerating media outlet 17, then
Supply user.
The foregoing description of the disclosed embodiments, enables professional and technical personnel in the field to realize or new using this practicality
Type.Various modifications to these embodiments will be apparent for those skilled in the art, determine herein
The General Principle of justice can in other embodiments be realized in the case where spirit or scope of the present utility model are not departed from；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.
Although more having used reference in figure herein：Solar thermal collector 1；Hot water storage tank 2；Heat-exchanger pump 3；Occur
Device 4；Solution heat exchanger 5；Solution pump 6；Solution choke valve 7；Absorber 8；Pattern switching valve 9；There is servicing unit in low pressure
10；Condenser 11；Refrigerant choke valve 12；Evaporator 13；Cooling medium entrance 14；Cooling medium outlet 15；Refrigerating medium enters
Mouth 16；The grade term of refrigerating media outlet 17, but it is not precluded from using the possibility of other terms.The use of these terms is only to be
More easily describe and explain essence of the present utility model；Being construed as any additional limitation is all and this reality
Disagreed with new spirit.
Claims (8)
1. high efficiency solar refrigeration unit, including the generator being sequentially connected（4）, condenser（11）, refrigerant choke valve
（12）, evaporator（13）, absorber（8）And solution heat exchanger（5）；It is characterized in that：Also include being used for heating generator（4）
The solar thermal collector of inner refrigerant solution（1）, the solar thermal collector（1）With generator（4）Between be connected with accumulation of heat water
Case（2）, hot water storage tank（2）With generator（4）Between be laid with heat-exchanger pump（3）；The generator（4）With condenser（11）Between
Also it is laid with pattern switching valve（9）There is servicing unit with low pressure（10）.
2. high efficiency solar refrigeration unit according to claim 1, it is characterised in that：The absorber（8）With it is molten
Liquid heat exchanger（5）Between be connected with solution pump（6）With solution choke valve（7）；Wherein, solution pump（6）With solution choke valve（7）
It is parallel to absorber（8）And solution heat exchanger（5）Between.
3. high efficiency solar refrigeration unit according to claim 2, it is characterised in that：The absorber（8）Upper cloth
It is provided with cooling medium entrance（14）, corresponding, the condenser（11）It is provided with and cooling medium entrance（14）Xiang Shi
The cooling medium outlet matched somebody with somebody（15）, absorber（8）With condenser（11）It is connected.
4. high efficiency solar refrigeration unit according to claim 1, it is characterised in that：The evaporator（13）On set
There is the refrigerating media outlet come in and gone out for refrigerating medium（17）With refrigerating medium inlet（16）.
5. high efficiency solar refrigeration unit according to claim 1, it is characterised in that：There is auxiliary dress in the low pressure
Put（10）With pattern switching valve（9）It is the device with relevance automatic control function, works as generator（4）Inlet water temperature is higher than certain
During value, then close low pressure and servicing unit occurs（10）, open pattern switching valve（9）；Work as generator（4）Inlet water temperature is less than one
During definite value, then open low pressure and servicing unit occurs（10）, close pattern switch valve（9）.
6. high efficiency solar refrigeration unit according to claim 1 or 5, it is characterised in that：The low pressure occurs auxiliary
Help device（10）It is blower fan or compressor.
7. high efficiency solar refrigeration unit according to claim 3, it is characterised in that：The cooling medium be water,
Solution or air.
8. high efficiency solar refrigeration unit according to claim 4, it is characterised in that：The refrigerating medium be water,
Solution or air.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621267914.5U CN206281104U (en) | 2016-11-23 | 2016-11-23 | High efficiency solar refrigeration unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621267914.5U CN206281104U (en) | 2016-11-23 | 2016-11-23 | High efficiency solar refrigeration unit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206281104U true CN206281104U (en) | 2017-06-27 |
Family
ID=59083735
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621267914.5U Expired - Fee Related CN206281104U (en) | 2016-11-23 | 2016-11-23 | High efficiency solar refrigeration unit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206281104U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108317563A (en) * | 2018-01-30 | 2018-07-24 | 青岛大学 | A kind of cold wind air curtain formula smoke exhaust using solar energy |
-
2016
- 2016-11-23 CN CN201621267914.5U patent/CN206281104U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108317563A (en) * | 2018-01-30 | 2018-07-24 | 青岛大学 | A kind of cold wind air curtain formula smoke exhaust using solar energy |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103090485B (en) | Air conditioning system for restaurant | |
| CN106440314B (en) | A kind of central air-conditioning condensation water recovery system and method | |
| CN103983042B (en) | The indoor cold-hot integrated system of a kind of solar energy | |
| CN102155813B (en) | Thermochemical absorption and refrigeration device driven by condensation heat of air conditioning unit | |
| CN202660661U (en) | Solar heat pump air conditioner system realizing auxiliary heating and auxiliary refrigeration | |
| CN101240925A (en) | Solar energy absorption type liquid dehumidifying air-conditioning system | |
| CN104456798A (en) | Heat pump driving solution humidity regulating and domestic hot water preparing system capable of realizing energy balance | |
| CN201407781Y (en) | Central air-conditioning waste heat recovery system utilizing dual-conversion thermostatic control technology | |
| CN201599983U (en) | Total heat recovery air cooled heat pump unit | |
| CN102777989B (en) | Heat pump air-conditioning unit system suitable for high-humidity low-temperature environment of underground hydropower station cavern | |
| CN210070102U (en) | Ground pipe laying water source dehumidification humidification fresh air unit | |
| CN201203297Y (en) | Solar auxiliary direct combustion type cold and hot water machine unit | |
| CN205641133U (en) | Multi -functional solar thermal energy pumping system | |
| CN201016499Y (en) | Solar energy stepping utilization type air-conditioning system | |
| CN204513624U (en) | Heat pump driven dehumidification solution temperature control and domestic hot water preparation device | |
| CN208968087U (en) | A kind of solar energy collaboration refrigeration air-conditioner | |
| CN209068588U (en) | Data center waste heat recovery system | |
| CN205261968U (en) | Heat pump type solar energy evaporation formula condensation air conditioning unit | |
| CN110749018A (en) | Single-machine two-stage compression middle air exhaust heat recovery fresh air processing device | |
| CN206281104U (en) | High efficiency solar refrigeration unit | |
| CN108731156A (en) | A kind of cold and hot alliance intelligence system based on energy-storage module | |
| CN102494439B (en) | Photovoltaic photo-thermal energy-storage heat pump system | |
| CN203231439U (en) | Energy recovery type all fresh air handling unit | |
| CN103225850B (en) | A kind of silent air-conditioning system | |
| CN202328942U (en) | Supercooling device for evaporative condensate type refrigeration system and method thereof |
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: 20170627 Termination date: 20201123 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |