CN202928175U - Air conditioning system - Google Patents
Air conditioning system Download PDFInfo
- Publication number
- CN202928175U CN202928175U CN 201220649317 CN201220649317U CN202928175U CN 202928175 U CN202928175 U CN 202928175U CN 201220649317 CN201220649317 CN 201220649317 CN 201220649317 U CN201220649317 U CN 201220649317U CN 202928175 U CN202928175 U CN 202928175U
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- heat exchanger
- conditioning system
- heat
- evaporimeter
- air
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Abstract
The utility model discloses an air conditioning system which comprises a compressor, a condenser, an overheating heat exchanger, an electronic expansion valve and an evaporator sequentially connected end to end through a pipeline to form a circulation loop. The overheating heat exchanger and the evaporator are in an integral structure. The evaporator is separated from the overheating heat exchanger by a guide plate which is provided with a guide groove for guiding a refrigerant heated by the evaporator to the overheating heat exchanger. The sectional area of the guide groove is substantially equal to the open area of guide connectors at both ends. The utility model further provides the air conditioning system which is small in occupied space and high in heat exchange efficiency through optimization of the system under the premise of not adding extra devices.
Description
Technical field
The utility model relates to a kind of air-conditioning system.
Background technology
Nowadays, air-conditioning technical reaches its maturity, and in the market competition of fierceness, how to design efficient and is convenient to the aircondition carrying, install, to win the market, becomes the major subjects of each air-conditioning producer and scientific research institution research and development.Evaporimeter is as the vitals of whole air-conditioning system, and it utilizes under low pressure evaporable characteristics of liquid low-temperature refrigerant, will change through the cold-producing medium that the throttling downstream pressure reduces steam into and also absorb the heat of the medium that is cooled, and reaches the refrigeration purpose.As long as so can improve the evaporation efficiency of evaporimeter, the refrigeration of so whole air-conditioning system also can improve thereupon.
Disclose a kind of heat driven heat pump fluid heating system as Chinese patent file CN1376253A, it comprises compressor, heat drop temperature interchanger, condenser, condenser heat exchanger, liquid/gas heat exchanger and evaporimeter.In said heating system, the outlet of the working fluid of evaporimeter is communicated with the entrance of compressor by after the liquid/gas heat exchanger, this connected mode can make the medium steam that evaporimeter flows out pass through the again overheated of liquid/gas heat exchanger, thereby make the medium that flows into compressor all become gaseous state, both improve the efficient of system, reduced again the injury of liquid hammer to compressor.But heat exchanger is crossed owing to setting up liquid/gas by this system, makes the increase that takes up room of handpiece Water Chilling Units, and the expectation of pursuing the air-conditioning miniaturization with people does not conform to.In the situation that refrigerating capacity is identical, people wish that unit is the smaller the better.Above-mentioned unit although improved the refrigerating capacity of system, has also increased the dutycycle of unit simultaneously, has affected its scope of installing and using.
Cross heat exchanger and evaporimeter split setting for solving existing handpiece Water Chilling Units, the large problem that takes up room, Chinese patent file CN2604667Y discloses a kind of preheating, sterilization, cooling plate type heat exchanger of integrating.Its for solve sterilization and quick cooling employing two cover autonomous devices in prior art move simultaneously the using energy source of existence insufficient, waste water and problem that equipment investment is large.This heat exchanger is that the multi-disc plate type heat exchanger is closely connected, set up flow deflector in the centre and formed waste heat exchange area and high-temperature sterilization district, it is by pre-backing 1, sterilization sheet 4, fin 2, flow deflector 3 and high-temperature heating sheet 5 form, cold liquid is through preheating and sterilization, flows out emit heat in fin after, and high-temperature medium can be with hot water or superheated vapor, emit heat in heating plate, can fully exchange because they connect tight heat.But the interior shape of the deflector 3 in this plate type heat exchanger is parallelogram, can cause rate of flow of fluid too small during fluid process deflector 3, finally causes heat exchange efficiency lower, can not satisfy the requirement of the evaporimeter heat exchanging efficient in air-conditioning.
The utility model content
For this reason, the technical problems to be solved in the utility model is: existing air-conditioning system takes up room greatly, the problem that heat exchange efficiency is low, and then provide a kind of take up room little, the air-conditioning system that heat exchange efficiency is high.
For achieving the above object, air-conditioning system of the present utility model comprises that head and the tail connect successively and form the compressor of closed circuit, condenser, cross heat exchanger, electric expansion valve and evaporimeter, described heat exchanger excessively and described evaporimeter are structure as a whole, described evaporimeter closely is formed by connecting by a plurality of evaporation and heat-exchange sheets, is used for realizing the heat exchange of cold-producing medium and freezing liquid; The described heat exchanger of crossing closely is formed by connecting by a plurality of overheated heat exchanger fins, is used for realizing through the cold-producing medium after described evaporimeter and heat exchange through the superheated refrigerant after condenser; Described evaporimeter and the described heat exchanger of crossing are by a deflector isolation, described deflector is provided with for the described cold-producing medium after described evaporimeter heating is guided to the described diversion groove of crossing hot vaporizer, and the area of passage of the water conservancy diversion interface at the sectional area of described diversion groove and two ends about equally.
The sectional area of described diversion groove can be selected to be set to equate fully with the area of passage of the water conservancy diversion interface at two ends, also the water conservancy diversion interface can be shaped to streamlined, the scope definition that is slightly larger than or is slightly less than is that the sectional area of described diversion groove is compared to differ up and down with the area of passage of the water conservancy diversion interface at two ends and is no more than 10%, preferably is no more than 5%.
In above-mentioned air-conditioning system, form pod apertures and a plurality of regularly arranged heat exchange groove for the conducting heat transferring medium on the plate face of described evaporation and heat-exchange sheet and described overheated heat exchanger fin.
In above-mentioned air-conditioning system, described heat exchange groove is herringbone, and the described heat exchange groove on adjacent heat exchanger fin is positive herringbone and the setting of falling the herringbone.
In above-mentioned air-conditioning system, adjacent described evaporation and heat-exchange sheet and the described pod apertures of described overheated heat exchanger fin, pod apertures place's employing seal gasket are connected and sealed.
In above-mentioned air-conditioning system, described evaporimeter and the described outer end of heat exchanger excessively arrange the heat exchange end cap, and described heat exchange end cap is used for evaporimeter with heat exchanger and other device separate excessively.
In above-mentioned air-conditioning system, be welded to connect between described heat exchange end cap, described evaporation and heat-exchange sheet, described deflector, described overheated heat exchanger fin.
In above-mentioned air-conditioning system, form on described overheated heat exchanger fin and described deflector for described cold-producing medium being guided to the described cold-producing medium pod apertures of crossing heat exchanger, between adjacent described cold-producing medium pod apertures, seal washer is set, is used for the described heat exchange groove of described cold-producing medium pod apertures and described overheated heat exchanger fin is isolated.
In above-mentioned air-conditioning system, one of them refrigerant outlet of described condenser is communicated to described compressor, carries out cooling to described compressor.
In above-mentioned air-conditioning system, described compressor is the magnetic suspension centrifuge.
Technique scheme of the present utility model has the following advantages compared to existing technology:
(1) air-conditioning system described in the utility model will flow back to from the cold-producing medium that evaporimeter flows out the hot device of heat exchange, again evaporate, so just guaranteed that cold-producing medium through fully just getting back to compressor after evaporation, has improved the efficient of whole air-conditioning system, also made compressor avoid the injury of liquid hammer simultaneously.By evaporimeter is wholely set with crossing hot vaporizer, separate with a deflector in addition, so just make total more compact, take up room little.Simultaneously, the area of passage of the sectional area of the diversion groove that arranges on the deflector between evaporimeter and mistake heat exchanger and the water conservancy diversion interface at two ends can make the flow velocity of cold-producing medium stable in air deflector about equally like this, and heat exchange efficiency improves greatly.
(2) offer a plurality of regularly arranged heat exchange grooves on the heat exchanger plates of the utility model evaporimeter and mistake heat exchanger and be used for flowing of heat transferring medium, this heat exchange groove is herringbone, with respect to the existing heat exchange plate that the heat exchange groove is not set, between heat exchanger plates of the present utility model, heat exchange area increases, and heat exchange efficiency further improves.
(3) in the utility model through the cold-producing medium after condenser, the cold-producing medium that flows out with evaporimeter in crossing heat exchanger carries out heat exchange, has realized excessively cold to cold-producing medium before throttling, increases the refrigerating capacity of unit; And above-mentioned all functions are integrated, and are easy to process, are convenient to install.
Description of drawings
Fig. 1 is workflow schematic diagram of the present utility model;
Fig. 2 is that the utility model is crossed heat exchanger and evaporator combinations schematic diagram;
Fig. 3 is the utility model deflector structure schematic diagram;
In figure: the 1-compressor, the 2-condenser, 3-crosses heat exchanger, the overheated heat exchanger fin of 30-, 31,51,63-pod apertures, 32,52-heat exchange groove, the 4-electric expansion valve, the 5-evaporimeter, 50-evaporation and heat-exchange sheet, 6-deflector, the 61-diversion groove, 62-water conservancy diversion interface, 7-heat exchange end cap, the A-cold-producing medium, B-freezing liquid, C-superheated refrigerant.
The specific embodiment
Below with reference to accompanying drawing, use following examples that the utility model is further set forth.
Fig. 1 is the workflow schematic diagram of the utility model air-conditioning system, can learn on scheming, described air-conditioning system comprises that head and the tail connect successively and form the compressor 1 of closed circuit, condenser 2, cross heat exchanger 3, electric expansion valve 4 and evaporimeter 5, and the described heat exchanger 3 of crossing is structure as a whole with described evaporimeter 5.Referring to Fig. 2, described evaporimeter 5 closely is formed by connecting by a plurality of evaporation and heat-exchange sheets 50, is used for realizing the heat exchange of cold-producing medium A and freezing liquid B; The described heat exchanger 3 of crossing closely is formed by connecting by a plurality of overheated heat exchanger fins 30, is used for realizing through the cold-producing medium A after described evaporimeter and heat exchange through the superheated refrigerant C after condenser; Described evaporimeter 5 is isolated by a deflector 6 with the described heat exchanger 3 of crossing, described deflector 6 is provided with for the described cold-producing medium A after described evaporimeter 5 heating is guided to the described diversion groove 61 of crossing hot vaporizer 3, and the area of passage of the water conservancy diversion interface 62 at the sectional area of described diversion groove 61 and two ends about equally.In present embodiment, the sectional area of described diversion groove 61 is set to equate fully with the area of passage of the water conservancy diversion interface 62 at two ends.
In the present embodiment, described cold-producing medium A is freon, and described superheated refrigerant C is the condensed hot fluid of process condenser 2.Described superheated refrigerant C was after entering heat exchanger 3, again through forming the described cold-producing medium A of low-temp low-pressure after choke valve 4 throttlings, described cold-producing medium A directly is circulated in described evaporimeter 5 and carries out heat exchange with described freezing liquid B, and wherein, described freezing liquid B is the associated medias such as water or salt solution.Cold-producing medium A entered hot vaporizer 3 by deflector 6 and again evaporated after the interior evaporation of evaporimeter 5, then got back to compressor 1 with the form of gaseous state.
Form pod apertures 51 and a plurality of regularly arranged heat exchange groove 52 for the conducting heat transferring medium on the plate face of described evaporation and heat-exchange sheet 50 and described overheated heat exchanger fin 50.Described heat exchange groove 52 is herringbone, and the described heat exchange groove 52 on adjacent heat exchanger fin is positive herringbone and the setting of falling the herringbone.This lambdoid setting just makes the heat exchange area of this heat exchanger plates large, and heat exchange efficiency further improves.
Adjacent described evaporation and heat-exchange sheet 50 and the described pod apertures 51 of described overheated heat exchanger fin 30, pod apertures 31 places employing seal gasket are connected and sealed.
Described evaporimeter 5 and the described outer end of crossing heat exchanger 3 arrange heat exchange end cap 7, and described heat exchange end cap 7 is used for evaporimeter 5 and crosses heat exchanger 3 separating with other device.Arranging like this can make evaporimeter 5 and be connected more tight that heat exchanger 3 connects, and both saved the space, improved again heat exchange efficiency.
Be welded to connect between described heat exchange end cap 7, described evaporation and heat-exchange sheet 50, described deflector 6, described overheated heat exchanger fin 30.Certainly, adopting welding manner is optimum selection, easy to process, be connected firmly, and also can adopt other on-link mode (OLM)s simultaneously, as riveted joint etc., so the mode of link has more than and is limited to that this is a kind of.
Form on described overheated heat exchanger fin 30 and described deflector 6 for described cold-producing medium A being guided to the described cold-producing medium pod apertures 31 of crossing heat exchanger 3, between adjacent described cold-producing medium pod apertures 31, seal washer is set, is used for described cold-producing medium pod apertures 31 isolated with the described heat exchange groove 32 of described overheated heat exchanger fin 30.
One of them refrigerant outlet of described condenser 2 is communicated to described compressor 1, carries out cooling to described compressor 1.Can make like this temperature of compressor remain on suitable temperature always, avoid well compressor temperature high, need the high-power problem of engine output.
The compressor 1 that adopts in the present embodiment is the magnetic suspension centrifuge.
The course of work of this air-conditioning system is as follows:
as shown in Figure 1, cold-producing medium is successively by described compressor 1, after described condenser 2, the refrigerant superheat cold-producing medium C that becomes HTHP enters the described heat exchanger 3 of crossing, after passing through the heat exchange of heat exchanger 3, cold-producing medium entered electric expansion valve 4, through after the throttling of electric expansion valve 4, become the cold-producing medium A of low-temp low-pressure, successively by pod apertures 31, pod apertures 63, pod apertures 51, evaporate after entering evaporimeter 5 with the form of low-temp low-pressure, gaseous state by evaporimeter 5 low-temp low-pressure out, the liquid cold-producing medium A that mixes, after entering again heat exchanger 3, carry out heat exchange with the superheated refrigerant C that flows to the HTHP that comes from condenser 2 before, again after the evaporation, the cold-producing medium A that becomes gaseous state fully enters compressor 1 and participates in next circulation.Be the integral type structure owing to crossing heat exchanger 3 with evaporimeter 5, being provided with a deflector 6 between evaporimeter 5 and mistake heat exchanger 3 separates both, offer diversion groove 61 on deflector 6, gaseous refrigerant after diversion groove 61 guiding are evaporated through evaporimeter 5 entered hot vaporizer 3 by water conservancy diversion interface 62 and again evaporated, this cold-producing medium that has just guaranteed to enter compressor makes compressor 1 avoid the impact of liquid hammer all through abundant evaporation.
In other embodiments, described diversion groove 61 is shaped to streamlined, its sectional area is set to be slightly larger than or to be slightly less than the area of passage of the water conservancy diversion interface 62 at two ends, the scope definition that is slightly larger than or is slightly less than is that the sectional area of described diversion groove is compared to differ up and down with the area of passage of the water conservancy diversion interface at two ends and is no more than 10%, preferably is no more than 5% ".
Obviously, above-described embodiment is only for example clearly is described, and is not the restriction to embodiment.For those of ordinary skill in the field, can also make other changes in different forms on the basis of the above description.Here need not also can't give all embodiments exhaustive.And the apparent variation of being extended out thus or change still are in the protection domain of the invention.
Claims (10)
1. an air-conditioning system, comprise the compressor (1), condenser (2), mistake heat exchanger (3), electric expansion valve (4) and the evaporimeter (5) that connect successively and form from beginning to end closed circuit, it is characterized in that:
The described heat exchanger (3) of crossing is structure as a whole with described evaporimeter (5), and described evaporimeter (5) closely is formed by connecting by a plurality of evaporation and heat-exchange sheets (50), is used for realizing the heat exchange of cold-producing medium (A) and freezing liquid (B);
The described heat exchanger (3) of crossing closely is formed by connecting by a plurality of overheated heat exchanger fins (30), is used for realizing through the cold-producing medium (A) after described evaporimeter and heat exchange through the superheated refrigerant (C) after condenser;
Described evaporimeter (5) is isolated by a deflector (6) with the described heat exchanger (3) of crossing, described deflector (6) is provided with for the described cold-producing medium after described evaporimeter (5) heating is guided to the described diversion groove (61) of crossing hot vaporizer (3), and the area of passage of the water conservancy diversion interface (62) at the sectional area of described diversion groove (61) and two ends about equally.
2. air-conditioning system according to claim 1 is characterized in that:
The sectional area of described diversion groove (61) is set to equate fully or compares to differ up and down be no more than 5% with the area of passage of the water conservancy diversion interface (62) at two ends.
3. air-conditioning system according to claim 1 and 2 is characterized in that:
Form pod apertures (51) and a plurality of regularly arranged heat exchange groove (52) for the conducting heat transferring medium on the plate face of described evaporation and heat-exchange sheet (50) and described overheated heat exchanger fin (50).
4. air-conditioning system according to claim 3 is characterized in that:
Described heat exchange groove (52) is herringbone, and the described heat exchange groove (52) on adjacent heat exchanger fin is positive herringbone and the setting of falling the herringbone.
5. air-conditioning system according to claim 4 is characterized in that:
Adjacent described evaporation and heat-exchange sheet (50) and the described pod apertures (51) of described overheated heat exchanger fin (30), pod apertures (31) locate to adopt seal gasket to be connected and sealed.
6. air-conditioning system according to claim 5 is characterized in that:
Described evaporimeter (5) and the described outer end of crossing heat exchanger (3) arrange heat exchange end cap (7), and described heat exchange end cap (7) is used for evaporimeter (5) and crosses heat exchanger (3) separating with other device.
7. air-conditioning system according to claim 6 is characterized in that:
Be welded to connect between described heat exchange end cap (7), described evaporation and heat-exchange sheet (50), described deflector (6), described overheated heat exchanger fin (30).
8. air-conditioning system according to claim 7 is characterized in that:
Form on described overheated heat exchanger fin (30) and described deflector (6) for described cold-producing medium (A) being guided to the described pod apertures (31) of crossing heat exchanger (3), between adjacent described pod apertures (31), seal washer is set, is used for described pod apertures (31) isolated with the described heat exchange groove (32) of described overheated heat exchanger fin (30).
9. air-conditioning system according to claim 1 and 2 is characterized in that:
One of them refrigerant outlet of described condenser (2) is communicated to described compressor (1), carries out cooling to described compressor (1).
10. air-conditioning system according to claim 1 and 2 is characterized in that:
Described compressor (1) is the magnetic suspension centrifuge.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220649317 CN202928175U (en) | 2012-08-14 | 2012-11-30 | Air conditioning system |
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201220401635 | 2012-08-14 | ||
| CN201220401635.9 | 2012-08-14 | ||
| CN 201220649317 CN202928175U (en) | 2012-08-14 | 2012-11-30 | Air conditioning system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202928175U true CN202928175U (en) | 2013-05-08 |
Family
ID=48218128
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220649317 Expired - Fee Related CN202928175U (en) | 2012-08-14 | 2012-11-30 | Air conditioning system |
| CN 201220709255 Withdrawn - After Issue CN203024504U (en) | 2012-08-14 | 2012-12-20 | Plate-type evaporator |
Family Applications After (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220709255 Withdrawn - After Issue CN203024504U (en) | 2012-08-14 | 2012-12-20 | Plate-type evaporator |
Country Status (1)
| Country | Link |
|---|---|
| CN (2) | CN202928175U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103591721A (en) * | 2012-08-14 | 2014-02-19 | 苏州必信空调有限公司 | Air conditioning system |
| CN108332285A (en) * | 2017-12-29 | 2018-07-27 | 青岛海尔空调器有限总公司 | Air-conditioner system |
-
2012
- 2012-11-30 CN CN 201220649317 patent/CN202928175U/en not_active Expired - Fee Related
- 2012-12-20 CN CN 201220709255 patent/CN203024504U/en not_active Withdrawn - After Issue
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103591721A (en) * | 2012-08-14 | 2014-02-19 | 苏州必信空调有限公司 | Air conditioning system |
| CN103591721B (en) * | 2012-08-14 | 2015-11-04 | 苏州必信空调有限公司 | A kind of air-conditioning system |
| CN108332285A (en) * | 2017-12-29 | 2018-07-27 | 青岛海尔空调器有限总公司 | Air-conditioner system |
Also Published As
| Publication number | Publication date |
|---|---|
| CN203024504U (en) | 2013-06-26 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130508 Termination date: 20151130 |
|
| EXPY | Termination of patent right or utility model |