CN202869326U - Triple-channel plate heat exchanger with throttle - Google Patents
Triple-channel plate heat exchanger with throttle Download PDFInfo
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- CN202869326U CN202869326U CN 201220462359 CN201220462359U CN202869326U CN 202869326 U CN202869326 U CN 202869326U CN 201220462359 CN201220462359 CN 201220462359 CN 201220462359 U CN201220462359 U CN 201220462359U CN 202869326 U CN202869326 U CN 202869326U
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Abstract
The utility model discloses a triple-channel plate heat exchanger with a throttle. The triple-channel plate heat exchanger with the throttle comprises an upper cover plate and a lower cover plate. A heat exchanging plate set for exchanging heat is arranged between the upper cover plate and the lower cover plate and comprises a first heat exchanging plate, a second heat exchanging plate, a third heat exchanging plate and a fourth heat exchanging plate. The first heat exchanging plate, the second heat exchanging plate, the third heat exchanging plate and the fourth heat exchanging plate are sequentially piled up. A distribution zone is arranged between a heat exchanging zone and a flow guiding zone which correspond to and are arranged on each piled heat exchanging plate. The throttle used for limiting communication between the flow guiding zone and the heat exchanging zone is arranged on the distribution zone. According to the triple-channel plate heat exchanger with the throttle, a cooling agent can be evenly distributed on the surface of the whole heat exchanging zone, area of the heat exchanging plate is fully used and heat exchanging efficiency is improved.
Description
Technical field
Utility model relates to the heat-exchange apparatus field, especially a kind of three-way guidance tape typed heat exchanger.
Background technology
Heat exchanger with three passages is used for making two kinds of fluids and an other fluid carry out heat exchange (for example: the freon fluid of two passages evaporates or condensation is cooled off or heating water, and the aqueous fluid of a passage sheds heat or cold).Plate type heat exchanger owing to the lower production cost of little, lightweight and relative its high efficiency of its volume, is widely used as the heat exchanger of triple channel heat exchange medium too.Three-channel plate type heat exchanger often need cut out road cold-producing medium wherein sometimes in routine use, the tradition three-way guidance tape typed heat exchanger is because its back-to-back structure then can cause the part of water Side not cause inefficiency and energy waste because there being medium to carry out exchange heat with it.And water side outlet temperature imbalance might occur, affect the life-span of whole system.
In addition, also there is the uneven distribution problem of cold-producing medium in the plate type heat exchanger of the heat exchanger of existing triple channel fluid, because three-way guidance tape typed heat exchanger is than its length-width ratio less of heat exchanger of two passages, the heat exchanger plates face is wider, needs uniform whole heat exchanger plates face difficulty larger after heat exchanging fluid enters heat exchange runner from the hole, angle.And the utilization of heat exchanging fluid heat exchange area of uniform direct impact on the plate face has also directly affected heat exchange efficiency; Some schemes have been arranged in the prior art, such as ZL200810023945.X and the ZL200510061578.9 patent is described at intake channel with between in evaporation channel throttling arrangement is set, but its throttling arrangement be arranged at hole, refrigerant inlet angle around, only can solve cold-producing medium and can uniform distribution advance each heat exchange runner, and therefore the problem that does not have solution to enter the uniform heat exchanger plates face of cold-producing medium of runner still has room for improvement.
In addition, also there is the lower problem of bearing capacity in existing triple channel heat exchanger, owing to present widely used cold-producing medium R22 because it has the destruction use that is about to be under an embargo to environment, the working pressures such as cold-producing medium R410A that transitional period uses are relatively high, how making plate type heat exchanger can bear higher pressure, also is the Main Bottleneck of heat exchanger.
The utility model content
In order to overcome the deficiencies in the prior art, the utility model proposes a kind of three-way guidance tape typed heat exchanger, proposition consists of plate package by at least four kinds of heat exchanger plates, be provided with guiding region and heat transfer zone at described heat exchanger plates, between guiding region and the heat transfer zone throttling arrangement is set, around the inlet hole of hot fluid (such as water), is provided with current equalizing structure.
Its technical scheme of the utility model solution is in order to achieve the above object: a kind of three-way guidance tape typed heat exchanger, comprise one group of plate package, plate package is superposeed successively by the first heat exchanger plates 120, the second heat exchanger plates 220, the 3rd heat exchanger plates 320 and the 4th heat exchanger plates 420 and consists of, described the first heat exchanger plates 120, the second heat exchanger plates 220, the 3rd heat exchanger plates (320) and the 4th heat exchanger plates 420 are provided with the ripple of convex ridge and trench, and described the first heat exchanger plates 120 is provided with and comprises hole, angle 101; 102; 103 guiding region 104 and comprise hole, angle 110; 109; 108 heat transfer zone 111; Heat transfer zone 111 comprises that district 106 and district's 112 second heat exchanger plates 220 are provided with and comprise hole, angle 201; 202; 203 guiding region 204 and comprise hole, angle 210; 209; 208 heat transfer zone 211; Heat transfer zone 211 comprise 206 and the district 213, described the 3rd heat exchanger plates 320 is provided with and comprises hole, angle 301; 302; 303 guiding region 304 and comprise hole, angle 310; 309; 308 heat transfer zone 311; Heat transfer zone 311 comprises district 306 and district 313, described the 4th heat exchanger plates, and 420 are provided with and comprise hole, angle 401; 402; 403 guiding region 404 and comprise hole, angle 410; 409; 408 heat transfer zone 411; Heat transfer zone 411 comprises district 420 and district 413, is provided with between heat transfer zone corresponding on the heat exchanger plates of every stack and guiding region respectively and distributes district 114; 214; 314; 414.Throttling arrangement is at least one parts, and offers the structure that limit fluid is passed through, and by welding itself and plate is formed one.
According to the technical solution of the utility model, described distribution district 114; 214; 314; 414 are provided with for the throttling arrangement that is communicated with between restriction guiding region and the heat transfer zone.
According to the technical solution of the utility model, the throttling arrangement of the first heat exchanger plates 120 is that several of the one-body molded time compacting of plate are to recessed boss 105; The throttling arrangement of the second heat exchanger plates 220 is respectively several boss 205 to fovea superior of the one-body molded time compacting of plate; The throttling arrangement of the 3rd heat exchanger plates 320 be respectively the one-body molded time compacting of plate several to recessed boss 305; The throttling arrangement of the 4th heat exchanger plates 420 is respectively several boss 405 to fovea superior of the one-body molded time compacting of plate.
According to the technical solution of the utility model, the throttling arrangement on every heat exchanger plates also can be at least one with the parts of a plurality of holes 20 or a plurality of control flumes of surface band, distribute district 114 by being fixedly welded on plate; 214; On 314 and 414.The size of adjusting joint discharge orifice 20 or groove and pitch-row, the whole heat transfer zone plate face so that cold-producing medium is distributed uniformly.
According to the technical solution of the utility model, corresponding guiding region 104 on the every heat exchanger plates; 204; 304; 404, guiding region 104; 204; 304; 404 are provided with " people " font ripple; Ripple direction on the guiding region 104,304 is identical, and with guiding region 204,404 on the ripple opposite direction;
According to the technical solution of the utility model, corresponding heat transfer zone 111 on the every heat exchanger plates; 211; 311; 411, heat transfer zone 111; 211; 311; 411 are provided with " w " ripple; Ripple direction on the heat transfer zone 111,311 is identical, and with heat transfer zone 211,411 on the ripple opposite direction.
According to the technical solution of the utility model, the ripple of heat transfer zone 111 is provided with control flume 107; The ripple of heat transfer zone 211 is provided with control flume 207; The ripple of heat transfer zone 311 is provided with control flume 307; The ripple of heat transfer zone 411 is provided with control flume 407.
According to the technical solution of the utility model, the hole, angle 101 on the first heat exchanger plates 120 is provided with refrigerant inlet spout 115; Hole, angle 201 on the second heat exchanger plates 220 is provided with refrigerant inlet spout 215; Hole, angle 303 on the 3rd heat exchanger plates is provided with refrigerant inlet spout 315; Hole, angle 403 on the 4th heat exchanger plates is provided with refrigerant inlet spout 415.
The beneficial effects of the utility model are: when the first heat exchanger plates 120, the second heat exchanger plates 220, when the 3rd heat exchanger plates 320 and the 4th heat exchanger plates 420 superpose successively, the boss plane that the corresponding distribution district of downward boss plane and No. second heat exchanger plates 220 makes progress in the first heat exchanger plates 120 corresponding distribution districts fits, in like manner, the boss plane that the boss plane that No. three heat exchanger plates 320 relevant position are downward and the relevant position of No. four heat exchanger plates make progress fits, pass through Welding, so that boss face forms one, and just form the path that is connected guiding region and heat transfer zone between boss and the boss, regulate the distance between the boss, just can regulate cold-producing medium and enter what of Local Heat Transfer district, be uniformly distributed in whole heat transfer zone surface thereby reach cold-producing medium, take full advantage of the heat exchanger plates area.Simultaneously, because described boss plane fits, by Welding, so that boss face forms one, strengthened the intensity of runner between plate, so that the bearing capacity of this heat exchanger improves.Heat transfer zone 111 is set around the hole, angle 109,209,309,409,211,311,411, in hole, angle 108,208,308,408,110,210,310,410 MEDIA FLOW arranges flow control groove 107,207 to the part position, 307,407, so that the first heat exchanger plates 120, the second heat exchanger plates 220, the three heat exchanger plates 320, corresponding the diminishing of refrigerant side part runner of 420 formation of the 4th heat exchanger plates, and the second heat exchanger plates 220, strain is large mutually with 120 part water flow passage of the first heat exchanger plates for the 3rd heat exchanger plates 320, the four heat exchanger plates 420, so so that (such as the water) fluid that is cooled from hole, angle 109,209,309,409 enter, and flow through 106,113,206,213,306,313,406,413 districts are from 102,202, the resistance that 302,402 orifice flows go out reduces, thereby reaches by the uniform heat exchanger plates 111 of cold fluid, the effect in 211,311,411 districts.
Description of drawings
The utility model will illustrate by example and with reference to the mode of accompanying drawing, wherein:
Fig. 1 is a kind of three-way guidance tape typed heat exchanger of the present utility model;
Fig. 2 is a kind of structural representation of plate type heat exchanger of the present utility model;
Fig. 3 is heat exchanger assembly of the present utility model;
Fig. 4 is the first heat exchanger plates of the present utility model;
Fig. 5 is the second heat exchanger plates of the present utility model;
Fig. 6 is the 3rd heat exchanger plates of the present utility model;
Fig. 7 is the 4th heat exchanger plates of the present utility model;
Fig. 8 is the heat exchanger assembly throttling arrangement of the second embodiment of the present utility model.
The specific embodiment
Disclosed all features in this specification, or the step in disclosed all methods or the process except mutually exclusive feature and/or step, all can make up by any way.
Disclosed arbitrary feature in this specification (comprising any accessory claim, summary and accompanying drawing) is unless special narration all can be replaced by other equivalences or the alternative features with similar purpose.That is, unless special narration, each feature is an example in a series of equivalences or the similar characteristics.
By a kind of three-way guidance tape typed heat exchanger shown in Figure 1, comprise upper cover plate and lower cover, be provided with the plate package for heat exchange between upper cover plate and the lower cover, described plate package comprises that some heat exchanger plates are formed by stacking successively, one end of heat exchanger plates offers the first import 1, the second outlet 2 and triple feed inlet 3, and the other end of heat exchanger plates arranges the first outlet 1A, the second import 2A and the 3rd outlet 3A.
A kind of fluid shown in Figure 2 (such as water) third channel of flowing through, and flow through respectively first passage and second channel of two kinds of cold-producing mediums in addition, heat exchange is carried out in these three kinds of fluid spaces.
Shown in Figure 3 according to heat exchanger assembly of the present utility model, comprise the first heat exchanger plates 120, the second heat exchanger plates 220, the 3rd heat exchanger plates 320 and the 4th heat exchanger plates 420; The first heat exchanger plates 120, the second heat exchanger plates 220, the 3rd heat exchanger plates 320 and the 4th heat exchanger plates 420 are provided with the ripple of convex ridge and trench; The first heat exchanger plates 120, the second heat exchanger plates 220, the 3rd heat exchanger plates 320 and the 4th heat exchanger plates 420 formation that superposes successively, flow through first fluid (such as cold-producing medium) at the first heat exchanger plates 120 and 220 of the second heat exchanger plates during work, flow through second fluid (such as cold-producing medium) at the 3rd heat exchanger plates 320 and 420 of the 4th heat exchanger plates, flow through the 3rd fluid (such as water) at the second heat exchanger plates 220 and the 3rd heat exchanger plates 320, flow through the 3rd fluid (such as water) at the 4th heat exchanger plates 420 and 120 of the first heat exchanger plates.
The first heat exchanger plates 120 shown in Figure 4 is provided with and comprises hole, angle 101; 102 and 103 guiding region 104; And comprise hole, angle 110; 109 and 108 heat transfer zone 111; Be provided with between heat transfer zone 111 and the guiding region 104 and distribute district 114, distribute the ad-hoc location in the district 114 to be provided with throttling arrangement, throttling arrangement is several to recessed boss 105, and the distance between the degree of depth of boss and boss and the boss can be by calculating gained.Be provided with control flume 107 in heat transfer zone 111 MEDIA FLOW to ripple partly; Be provided with cryogen import spout 115 in hole, angle 101;
Be provided with by the second heat exchanger plates 220 shown in Figure 5 and comprise hole, angle 201; 202 and 203 guiding region 204; And comprise hole, angle 210; 209 and 208 heat transfer zone 211; Be provided with between heat transfer zone 211 and the guiding region 204 and distribute district 214, distribute the ad-hoc location in the district 214 to be provided with throttling arrangement, throttling arrangement is several convex boss 205, and the distance between the degree of depth of boss and boss and the boss can be by calculating gained.Be provided with control flume 207 in heat transfer zone 211 MEDIA FLOW to ripple partly; Be provided with cryogen import spout 215 in hole, angle 201;
Be provided with by the 3rd heat exchanger plates 320 shown in Figure 6 and comprise hole, angle 301; 302 and 303 guiding region 304; And comprise hole, angle 310; 309 and 308 heat transfer zone 311; Be provided with between heat transfer zone 311 and the guiding region 304 and distribute district 314, distribute the ad-hoc location in the district 314 to be provided with throttling arrangement, throttling arrangement is several to recessed boss 305, and the distance between the degree of depth of boss and boss and the boss can be by calculating gained.Be provided with control flume 307 in heat transfer zone 311 MEDIA FLOW to ripple partly; Be provided with cryogen import spout 315 in hole, angle 303;
The 4th heat exchanger plates 420 shown in Figure 7 is provided with and comprises hole, angle 401; 402 and 403 guiding region 404; And comprise hole, angle 410; 409 and 408 heat transfer zone 411; Be provided with between heat transfer zone 411 and the guiding region 404 and distribute district 414, distribute the ad-hoc location in the district 414 to be provided with throttling arrangement, throttling arrangement is several convex boss 405, and the distance between the degree of depth of boss and boss and the boss can be by calculating gained.Be provided with control flume 407 in heat transfer zone 411 MEDIA FLOW to ripple partly; Be provided with cryogen import spout 415 in hole, angle 403;
By guiding region 104 corresponding on Fig. 4, Fig. 5, Fig. 6 and the every heat exchanger plates shown in Figure 7; 204; 304; 404, guiding region 104; 204; 304; 404 are provided with " people " font ripple.Corresponding heat transfer zone 111 on the every heat exchanger plates; 211; 311; 411, heat transfer zone 111; 211; 311; 411 are provided with " w " ripple.And the ripple direction on the guiding region 104,304 is identical, and with guiding region 204,404 on the ripple opposite direction; Ripple direction on the heat transfer zone 111,311 is identical, and with heat transfer zone 211,411 on the ripple opposite direction.
When plate 120 and 220 phase poststacks, 120, form the runner that flows through first fluid (such as cold-producing medium) between 220 plates, with fitting to recessed control flume 215 on control flume convex on the hour angle hole 101 115 and 201, form spout, in like manner, on the heat exchanger plates 120 downwards on the protruding throttling arrangement 105 and 220 convex 205 projection plane join, be welded together to form sealing surface by soldering etc. again, so, to form several throttling ducts between boss and boss, and distribute the district to be limited to enter heat transfer zone so that flow to the fluid (such as cold-producing medium, calling cold-producing medium in the following text) of first fluid runner.When refrigerant fluid enters first flow by hole, angle 101, spout is sent cold-producing medium into guiding region, " people " font ripple comparative resistance on the guiding region is less, distribute the district so that cold-producing medium can enter fast, uniformly, and distribute the district to have certain width and the degree of depth, cold-producing medium is distributing the district to flow freely, so, enter and distribute the fluid in district to enter heat transfer zone by the throttling duct, the size in adjusting joint discharge orifice road and the distributing position in the distribution district are so that fluid is uniform on heat exchanger plates.
When heat exchanger plates 220 and 320 phase poststacks, 220, form the runner that flows through the 3rd fluid (such as water) between 320 plates, with control flume 307 downward on the high face of ripple around the hole, angle 310 and 308 on the control flume 207 and 320 that makes progress on the ripple bottom surface around hour angle hole 210 and 208, so that water flow passage is in zone 206,306 and 213,313 are amplified relatively, and 212,312 runner diminishes relatively, and water enters the heat exchanger plates face of heat-transfer surface 211 from hole, angle 209, from the process that flow out in hole, angle 202, it flows through 213 compares 212 runner and will grow with the runner in 206 districts, but owing to be provided with control flume 207,307, it is large that its runner becomes relatively, so, so that the flow passage resistance force of waterproof on the heat transfer zone is substantially equal, thereby reach current in the uniform purpose of heat transfer zone.
By shown in Figure 8, another embodiment of the present utility model, have several throttle orifices 20 at throttling arrangement 21, have two throttle orifices on each throttling arrangement 21 at least, throttling arrangement 21 is installed on the distribution district 114 of plate, 214,314,414, enter and distribute the cold-producing medium in district to enter heat transfer zone by throttle orifice 20 so that flow through guiding region, the size of adjusting joint discharge orifice 20 and pitch-row, the whole heat transfer zone plate face so that cold-producing medium is distributed uniformly.
So, the utility model efficiently solves the uniform difficult problem of heat transferring medium on whole heat exchanger plates face.
The utility model is not limited to the aforesaid specific embodiment.The utility model expands to any new feature or any new combination that discloses in this manual, and the arbitrary new method that discloses or step or any new combination of process.
Claims (9)
1. three-way guidance tape typed heat exchanger, it comprises one group of plate package, plate package is by the first heat exchanger plates (120), the second heat exchanger plates (220), the 3rd heat exchanger plates (320) and the 4th heat exchanger plates (420) formation that superposes successively, described the first heat exchanger plates (120), the second heat exchanger plates (220), the 3rd heat exchanger plates (320) and the 4th heat exchanger plates (420) are provided with the ripple of convex ridge and trench, and described the first heat exchanger plates (120) is provided with and comprises hole, angle (101; 102; 103) guiding region (104) and comprise hole, angle (110; 109; 108) heat transfer zone (111); The second heat exchanger plates (220) is provided with and comprises hole, angle (201; 202; 203) guiding region (204) and comprise hole, angle (210; 209; 208) heat transfer zone (211); Described the 3rd heat exchanger plates (320) is provided with and comprises hole, angle (301; 302; 303) guiding region (304) and comprise hole, angle (310; 309; 308) heat transfer zone (311); Described the 4th heat exchanger plates (420) is provided with and comprises hole, angle (401; 402; 403) guiding region (404) and comprise hole, angle (410; 409; 408) heat transfer zone (411); It is characterized in that, between heat transfer zone corresponding on the heat exchanger plates of every stack and guiding region, be provided with respectively and distribute district (114; 214; 314; 414).
2. a kind of three-way guidance tape typed heat exchanger according to claim 1 is characterized in that, described distribution district (114; 214; 314; 414) be provided with for the throttling arrangement that is communicated with between restriction guiding region and the heat transfer zone.
3. a kind of three-way guidance tape typed heat exchanger according to claim 2 is characterized in that, the throttling arrangement of the first heat exchanger plates (120) is that several of the one-body molded time compacting of plate are to recessed boss (105); The throttling arrangement of the second heat exchanger plates (220) is respectively several boss to fovea superior (205) of the one-body molded time compacting of plate; The throttling arrangement of the 3rd heat exchanger plates (320) be respectively the one-body molded time compacting of plate several to recessed boss (305); The throttling arrangement of the 4th heat exchanger plates (420) is respectively several boss to fovea superior (405) of the one-body molded time compacting of plate.
4. a kind of three-way guidance tape typed heat exchanger according to claim 2 is characterized in that, throttling arrangement is at least one parts, and offers the structure that limit fluid is passed through, and by welding itself and plate is formed one.
5. a kind of three-way guidance tape typed heat exchanger according to claim 4 is characterized in that, the throttling arrangement on every heat exchanger plates be at least one with the parts of a plurality of holes or a plurality of control flumes of surface band, distribute district (114 by being fixedly welded on plate; 214; 314; 414) on.
6. a kind of three-way guidance tape typed heat exchanger according to claim 1 is characterized in that, corresponding guiding region (104 on the every heat exchanger plates; 204; 304; 404), guiding region (104; 204; 304; 404) be provided with " people " font ripple; Ripple direction on the guiding region (104,304) is identical, and with guiding region (204,404) on the ripple opposite direction.
7. a kind of three-way guidance tape typed heat exchanger according to claim 1 is characterized in that, corresponding heat transfer zone (111 on the every heat exchanger plates; 211; 311; 411), heat transfer zone (111; 211; 311; 411) be provided with " w " ripple; Ripple direction on the heat transfer zone (111,311) is identical, and with heat transfer zone (211,411) on the ripple opposite direction.
8. a kind of three-way guidance tape typed heat exchanger according to claim 1 is characterized in that, the ripple of heat transfer zone (111) is provided with control flume (107); The ripple of heat transfer zone (211) is provided with control flume (207); The ripple of heat transfer zone (311) is provided with control flume (307); The ripple of heat transfer zone (411) is provided with control flume (407).
9. a kind of three-way guidance tape typed heat exchanger according to claim 1 is characterized in that, the hole, angle (101) on the first heat exchanger plates (120) is provided with refrigerant inlet spout (115); Hole, angle (201) on the second heat exchanger plates (220) is provided with refrigerant inlet spout (215); Hole, angle (303) on the 3rd heat exchanger plates is provided with refrigerant inlet spout (315); Hole, angle (403) on the 4th heat exchanger plates is provided with refrigerant inlet spout (415).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220462359 CN202869326U (en) | 2012-09-12 | 2012-09-12 | Triple-channel plate heat exchanger with throttle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220462359 CN202869326U (en) | 2012-09-12 | 2012-09-12 | Triple-channel plate heat exchanger with throttle |
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| Publication Number | Publication Date |
|---|---|
| CN202869326U true CN202869326U (en) | 2013-04-10 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN 201220462359 Expired - Fee Related CN202869326U (en) | 2012-09-12 | 2012-09-12 | Triple-channel plate heat exchanger with throttle |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102809312A (en) * | 2012-09-12 | 2012-12-05 | 江苏宝得换热设备有限公司 | Three-channel plate type heat exchanger |
| CN103759472A (en) * | 2014-02-06 | 2014-04-30 | 武汉微冷科技有限公司 | Micro heat exchanger with throttling function |
| CN106989624A (en) * | 2017-05-05 | 2017-07-28 | 仲恺农业工程学院 | A kind of board-like double-dryness shunting heat exchanging evaporator |
| CN110545646A (en) * | 2019-08-26 | 2019-12-06 | 江苏宝得换热设备股份有限公司 | Condenser |
| CN112066598A (en) * | 2019-06-11 | 2020-12-11 | 广东美的制冷设备有限公司 | Heat exchanger and air conditioning equipment |
-
2012
- 2012-09-12 CN CN 201220462359 patent/CN202869326U/en not_active Expired - Fee Related
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102809312A (en) * | 2012-09-12 | 2012-12-05 | 江苏宝得换热设备有限公司 | Three-channel plate type heat exchanger |
| CN103759472A (en) * | 2014-02-06 | 2014-04-30 | 武汉微冷科技有限公司 | Micro heat exchanger with throttling function |
| CN103759472B (en) * | 2014-02-06 | 2016-09-21 | 武汉麦丘科技有限公司 | There is the micro heat exchanger of throttling function |
| CN106989624A (en) * | 2017-05-05 | 2017-07-28 | 仲恺农业工程学院 | A kind of board-like double-dryness shunting heat exchanging evaporator |
| CN106989624B (en) * | 2017-05-05 | 2022-08-19 | 仲恺农业工程学院 | Plate-type double-dryness flow-dividing heat-exchanging evaporator |
| CN112066598A (en) * | 2019-06-11 | 2020-12-11 | 广东美的制冷设备有限公司 | Heat exchanger and air conditioning equipment |
| CN110545646A (en) * | 2019-08-26 | 2019-12-06 | 江苏宝得换热设备股份有限公司 | Condenser |
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| 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: 20130410 Termination date: 20170912 |
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| CF01 | Termination of patent right due to non-payment of annual fee |