CN203672195U - Coil heat exchanger - Google Patents
Coil heat exchanger Download PDFInfo
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- CN203672195U CN203672195U CN201320793660.0U CN201320793660U CN203672195U CN 203672195 U CN203672195 U CN 203672195U CN 201320793660 U CN201320793660 U CN 201320793660U CN 203672195 U CN203672195 U CN 203672195U
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- refrigerant
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Abstract
The utility model discloses a coil heat exchanger. The coil heat exchanger comprises an outer coil, a refrigerant coil, a liquid ejector and a liquid collector. The refrigerant coil is arranged inside the outer coil. The liquid ejector is arranged at one end of the outer coil; the liquid ejector is provided with a liquid inlet, a plurality of liquid ejecting ports and a liquid distribution mechanism; the liquid inlet guides liquid to flow into the liquid ejector; the liquid ejecting ports are formed in the bent direction of the coil body of the refrigerant coil; the liquid distribution mechanism conveys the liquid flowing into the liquid ejector to the liquid ejecting ports. The liquid collector is arranged at the other end of the outer coil and is provided with a liquid outlet used for guiding the liquid to flow out. Due to the facts that the multiple liquid ejecting ports are formed in the bent direction of the coil body of the refrigerant coil and the liquid distribution mechanism conveys the liquid to the liquid ejecting ports, the liquid is upwards ejected to the refrigerant coil from the liquid ejecting ports in the bent direction of the coil body of the refrigerant coil, the liquid can evenly and stably flow in the outer coil to achieve full heat exchange, and the heat exchange efficiency is improved.
Description
Technical field
The utility model relates to technical field of heat exchangers, is specifically related to a kind of coil heat exchanger.
Background technology
Pot-type boiler is mainly electric heater and gas heater at present.There is electricity consumption hidden danger in electric heater, particularly, through using all the year round, after each components aging, this potential safety hazard is particularly outstanding because working environment is moist.Gas heater, because the burn incompletely of combustion gas can produce poisonous carbon monoxide, therefore has certain use danger, and because of the difference of fuel gas buring situation, water outlet has sometimes hot and sometimes cold situation, and then impact is used.
In recent years, for solving the defect of above-mentioned electric heater and gas heater, occurred that security reliability is high, the refrigerant heat exchanger of heat exchange uniform high-efficiency, existing refrigerant heat exchanger is divided into double-tube heat exchanger and coil heat exchanger.
Refer to Fig. 1, double-tube heat exchanger has overcoat light pipe 11 and screwed pipe 12, and overcoat light pipe 11 coaxial sleeves are located on screwed pipe 12.On the outer wall of screwed pipe 12, be formed with thread groove 13, the tube wall of screwed pipe 12 surrounds the screwed pipe mouth of pipe 14.
In the time that double-tube heat exchanger is worked, refrigerant flows into from the stream forming between thread groove 13 and overcoat light pipe 11, and liquid flows into from the screwed pipe mouth of pipe 14, thereby carries out exchange heat in the flow process of refrigerant and liquid, and then reaches the object of heating or refrigeration.
But refrigerant is interior when mobile at thread groove 13, refrigerant can directly contact with external environment by overcoat light pipe 11, thereby causes refrigerant fully not carry out exchange heat with liquid, and then causes the loss of refrigerant heat, has therefore affected heat exchange efficiency.
Refer to Fig. 2, coil heat exchanger has outer tube 21, inner tube 22, spiral coil 23, refrigerant import 24, refrigerant exit 25, liquid-inlet 26 and liquid outlet 27.Inner tube 22 is arranged on the central authorities of outer tube 21.Spiral coil 23 is arranged in outer tube 21 and is set in inner tube 22.Refrigerant import 24 is arranged on outer tube 21 and with one end of spiral coil 23 and is connected, and flows into spiral coil 23 for guiding refrigerant.Refrigerant exit 25 is also arranged on outer tube 21 and with the other end of spiral coil 23 and is connected, and flows out from spiral coil 23 for guiding refrigerant.Liquid-inlet 26 is arranged on outer tube 21, for directing the flow of liquid either into outer tube 21, thereby makes liquid and the refrigerant of the spiral coil 23 of flowing through carry out exchange heat.Liquid outlet 27 is also arranged on outer tube 21, for guiding the liquid carrying out after exchange heat with refrigerant to flow out from outer tube 21.
Although existing coil heat exchanger has solved refrigerant and has contacted incomplete problem with liquid, promote to a certain extent heat exchange efficiency, but because the liquid flowing into from liquid-inlet 26 is difficult to control at the interior stream of outer tube 21, easily cause liquid to flow at the interior each position of outer tube 21 uneven, therefore affected heat exchange efficiency.
Utility model content
The purpose of this utility model is to provide a kind of coil heat exchanger, is intended to improve the heat exchange efficiency of coil heat exchanger.
In order to realize the purpose of this utility model, the utility model provides a kind of coil heat exchanger, comprising:
Outer tube;
Be arranged on the refrigerant coil pipe by the tortuous one-tenth of body in outer tube;
Be arranged on the liquid ejector of outer tube one end, this liquid ejector is provided with the multiple liquid ejection outlets that direct the flow of liquid either into the liquid-inlet of liquid ejector, arrange along the tortuous direction of body of refrigerant coil pipe and the diversion mechanism that the liquid of influent injector is delivered to each liquid ejection outlet; And
Be arranged on the liquid manifold of the outer tube other end, this liquid manifold has the liquid outlet flowing out for guiding liquids.
Preferably, described refrigerant coil pipe is individual layer helical form or multi-layer spiral.
Preferably, described liquid ejection outlet is arranged on directly over the body of refrigerant coil pipe, and the center line of described liquid ejection outlet and refrigerant coil pipe close on angle between the tangent line at the described liquid ejection outlet of process center of the body of liquid ejection outlet between 5 degree to 10 degree.
Preferably, described liquid ejector has an injector lid that is arranged on the corresponding one end of outer tube, injector covers and offers multiple perforates, the diversion mechanism of described liquid ejector has tap and multiple isocon, described tap has an entrance point and multiple port of export, the liquid-inlet of described liquid ejector is the entrance point of tap or is the liquid inlet tube that is connected to the entrance point of tap, one end of described each isocon is connected with the port of export of corresponding tap respectively, the other end of described each isocon is plugged in respectively in the corresponding aperture of injector lid to form described liquid ejection outlet.
Preferably, described liquid ejector has an injector lid that is arranged on the corresponding one end of outer tube, described injector covers the perforate that offers the tortuous direction arrangement of multiple bodys along refrigerant coil pipe to form described liquid ejection outlet, in described injector lid, offer the pore being all communicated with each perforate to form described diversion mechanism, described injector covers and offers the guide hole being communicated with pore or be provided with the liquid inlet tube being communicated with pore to form described liquid-inlet.
Preferably, described multiple perforates have multiple the first perforates and multiple the second perforate, the just body to helix tube of multiple the first perforates, and multiple the second perforates are tilted towards the body of helix tube.
Preferably, described injector lid has roof, diapire and connects the first side wall and second sidewall of roof and diapire, the second sidewall is arranged on the outside of the first side wall, described roof, diapire, the first side wall and the second sidewall surround described pore, described diapire has base plate and bends the flap extending out from base plate, described multiple the first perforate is opened on base plate, and described multiple the second perforates are opened on flap.
Preferably, described each perforate is evenly distributed along the tortuous direction of body of refrigerant coil pipe.
In order to realize the purpose of this utility model, the utility model also provides a kind of coil heat exchanger, comprising:
Outer tube;
Be arranged on the refrigerant coil pipe by the tortuous one-tenth of body in outer tube;
Be arranged on the liquid ejector of outer tube one end, this liquid ejector is provided with the gap that direct the flow of liquid either into the liquid-inlet of liquid ejector, extend along the tortuous direction of body of refrigerant coil pipe and the diversion mechanism that the liquid of influent injector is delivered to gap; And
Be arranged on the liquid manifold of the outer tube other end, this liquid manifold has the liquid outlet flowing out for guiding liquids.
Preferably, described liquid ejector has an injector lid that is arranged on the corresponding one end of outer tube, in described injector lid, offer the pore being communicated with described gap to form described diversion mechanism, described injector covers and offers the guide hole being communicated with pore or be provided with the liquid inlet tube being communicated with pore to form described liquid-inlet.
Because the utility model coil heat exchanger is by arranging multiple liquid ejection outlets along the tortuous direction of body of refrigerant coil pipe, by diversion mechanism, the liquid of influent injector is delivered to each liquid ejection outlet or gap, therefore liquid sprays to refrigerant coil pipe from liquid ejection outlet or gap in the tortuous direction of body of refrigerant coil pipe, what thereby liquid was can be in outer tube uniform and stable flows, and then refrigerant in liquid and refrigerant coil pipe can fully carry out exchange heat, thereby improve heat exchange efficiency.
Accompanying drawing explanation
Fig. 1 is the sectional view of existing double-tube heat exchanger;
Fig. 2 is the sectional view of existing coil heat exchanger;
Fig. 3 is the three-dimensional combination figure of the utility model the first embodiment coil heat exchanger;
Fig. 4 is the front view of coil heat exchanger shown in Fig. 1;
Fig. 5 is the three-dimensional exploded view of coil heat exchanger shown in Fig. 1;
Fig. 6 is the partial enlarged drawing of VI part in Fig. 4;
Fig. 7 is the front view of the utility model the second embodiment coil heat exchanger;
Fig. 8 is the upward view of the liquid ejector of coil heat exchanger shown in Fig. 7;
Fig. 9 is the partial enlarged drawing of IX part in Fig. 7;
Figure 10 is the upward view of the liquid ejector of the utility model the 3rd embodiment coil heat exchanger;
Figure 11 is that liquid ejector shown in Figure 10 is along the sectional view of A-A line;
Figure 12 is the stereogram of the liquid ejector of the utility model the 4th embodiment coil heat exchanger;
Figure 13 is the stereogram of the liquid ejector of the utility model the 5th embodiment coil heat exchanger;
Figure 14 is the sectional view of liquid ejector shown in Figure 13.
Realization, functional characteristics and the advantage of the utility model object, in connection with embodiment, are described further with reference to accompanying drawing.
The specific embodiment
Should be appreciated that specific embodiment described herein is only in order to explain the utility model, and be not used in restriction the utility model.
The utility model provides a kind of coil heat exchanger, with reference to Fig. 3 to Fig. 4, it has disclosed the first embodiment of the utility model coil heat exchanger, and in the present embodiment, coil heat exchanger comprises outer tube 110, inner tube 120, refrigerant coil pipe 130, liquid ejector 140 and liquid manifold 150.
Refer to Fig. 3 to Fig. 5, outer tube 110 is cylindrical, and it has cannula tip 111 and casing shoe 112.Inner tube 120 is also cylindrical, and it is arranged in outer tube 110 and coaxially arranges with outer tube 110, and this inner tube 120 has inner tube top 121 and inner tube bottom 122.
In the time that the present embodiment coil heat exchanger is worked, refrigerant flows into from the refrigerant inlet tube 132 of refrigerant coil pipe 130, and then refrigerant flows into the bottom of helix tube 131 and upwards flows along helix tube 131, finally flows out from the refrigerant exit pipe 133 of refrigerant coil pipe 130; Thereby the liquid inlet tube 142 of liquid liquid ejector 140 flows into, then liquid flows into the entrance point of tap 147 and flow into each isocon 148 after the port of export shunting of tap 147, and the liquid flowing out from each isocon 148 sprays to helix tube 131; Spray to the liquid of helix tube 131 and carry out exchange heat with the refrigerant of the helix tube 131 of flowing through, the liquid that carries out exchange heat with the refrigerant of the helix tube 131 of flowing through imports liquid manifold 150, and the liquid that then imports liquid manifold 150 flows out by liquid outlet 151.
For guaranteeing that the liquid that sprays of isocon 148 directly drops on the body of helix tube 131 and improves the body contact area of liquid and helix tube 131, insertion cover plate 144 corresponding aperture 146 1 of each isocon 148 are rectified body setting to helix tube 131 (the center line of this end is through the body axle center of helix tube 131 and parallel with the central axis of helix tube 131), and the center line of this end and helix tube 131 close on isocon 148 body through the angle α between the tangent line at Gai Duan center between 5 degree to 10 degree, as shown in Figure 6.
Insert one end of perforate 146 arranges along the tortuous direction of helix tube 131 due to the present embodiment coil heat exchanger by each isocon 148, this makes the liquid that ejects from isocon 148 and the body even contact of helix tube 131, thereby liquid can be in interior uniform and stable the flowing of outer tube 110, and then refrigerant in liquid and helix tube 131 can fully carry out exchange heat, thereby improve heat exchange efficiency.
Refer to Fig. 7 and Fig. 8, it has disclosed second of the utility model coil heat exchanger and has implemented, the coil heat exchanger of the coil heat exchanger of the present embodiment and the first embodiment is similar, its difference is: the injector lid 241 of liquid ejector 240 is annular, it is fixed in outer tube 110 and inner tube 120, on this injector lid 241, offer multiple perforates 246, the plurality of perforate 246 is positioned at the body top of helix tube 131 evenly distributed along the tortuous direction of body of helix tube 131; The liquid inlet tube 242 of liquid ejector 240 vertically extends from a side of injector lid 241; The separating liquid mechanism 243 of liquid ejector 240 is for being opened in the pore ringwise and that be communicated with liquid inlet tube 242 on injector lid 241, and this pore is all communicated with the multiple perforates 246 on injector lid 241.
In the time that the present embodiment coil heat exchanger is worked, liquid flows into pore from the liquid inlet tube 242 of liquid ejector 240, then liquid flows and is transported to each perforate 246 to be sprayed to helix tube 131 by each perforate 246 in pore, spray to the liquid of helix tube 131 and carry out exchange heat with the refrigerant of the helix tube 131 of flowing through, the liquid that carries out exchange heat with the refrigerant of the helix tube 131 of flowing through imports liquid manifold 150, and the liquid that then imports liquid manifold 150 flows out by liquid outlet 151.
For guaranteeing that the liquid that ejects from each perforate 246 of injector lid 241 directly drops on the body of helix tube 131 and improves the body contact area of liquid and helix tube 131, each perforate 246 is the body setting to helix tube 131 just, and its center line and helix tube 131 close on angle β between the tangent line at these perforate 246 centers of process of the body of perforate 246 between 5 degree to 10 degree, as shown in Figure 9.
Refer to Figure 10 and Figure 11, it has disclosed the 3rd enforcement of the utility model coil heat exchanger, the coil heat exchanger of the coil heat exchanger of the present embodiment and the first embodiment is similar, its difference is: the injector lid 341 of liquid ejector 340 is annular, it is fixed in outer tube 110 and inner tube 120, on this injector lid 341, offer gap 346, this gap 346 is positioned at the body top of helix tube 131 and extends along the tortuous direction of body of helix tube 131; The liquid inlet tube 342 of liquid ejector 340 vertically extends from a side of injector lid 341; The separating liquid mechanism 343 of liquid ejector 340 is for being opened in the pore ringwise and that be communicated with liquid inlet tube 342 on injector lid 341, and this pore is also communicated with the gap 346 on injector lid 241.
In the time that the present embodiment coil heat exchanger is worked, liquid flows into pore from the liquid inlet tube 342 of liquid ejector 340, then liquid flows and is transported to 346Yi You gap, gap 346 and sprays to helix tube 131 in pore, spray to the liquid of helix tube 131 and carry out exchange heat with the refrigerant of the helix tube 131 of flowing through, the liquid that carries out exchange heat with the refrigerant of the helix tube 131 of flowing through imports liquid manifold 150, and the liquid that then imports liquid manifold 150 flows out by liquid outlet 151.
Refer to Figure 12, it has disclosed the 4th enforcement of the utility model coil heat exchanger, the coil heat exchanger of the coil heat exchanger of the present embodiment and the first embodiment is similar, its difference is: the injector lid 441 of liquid ejector 440 is annular, it is fixed in outer tube 110 and inner tube 120, on this injector lid 441, offer multiple perforates 446, the plurality of perforate 446 is positioned at the body top of helix tube 131 evenly distributed along the tortuous direction of body of helix tube 131; The liquid inlet tube 442 of liquid ejector 440 is for being opened in the guide hole on the sidewall of injector lid 441; The separating liquid mechanism (not shown) of liquid ejector 440 is the ringwise pore being opened on injector lid 441, and this pore is communicated with and is communicated with the each perforate 446 on injector lid 441 with the guide hole being opened on injector lid 441 sidewalls.
In the time that the present embodiment coil heat exchanger is worked, liquid flows into pore from the guide hole being opened in the sidewall of injector lid 441, then liquid flows and is transported to each perforate 446 to be sprayed to helix tube 131 by each perforate 446 in pore, spray to the liquid of helix tube 131 and carry out exchange heat with the refrigerant of the helix tube 131 of flowing through, the liquid that carries out exchange heat with the refrigerant of the helix tube 131 of flowing through imports liquid manifold 150, and the liquid that then imports liquid manifold 150 flows out by liquid outlet 151.
Refer to Figure 13 and Figure 14, it has disclosed the 5th enforcement of the utility model coil heat exchanger, the coil heat exchanger of the coil heat exchanger of the present embodiment and the 4th embodiment is similar, its difference is: the injector lid 541 of liquid ejector 540 has ringwise roof 5411, ringwise diapire 5412, connect the first side wall 5413 on roof 5411 and diapire 5412 edges, inner side and be connected roof 5411 and second sidewall 5414 on diapire 5412 edges, outside, thereby roof 5411, diapire 5412, the first side wall 5413 and the second sidewall 5414 surround the separating liquid mechanism 543 that is pore shape, diapire 5412 has parallel spiral pipe 131 rank street faces base plate 5415 (that is cross section of vertical spin pipe 131 central axis) and that connect the first side wall 5413, bends the flap 5146 extending and the fixed head 5417 that connects flap 5146 and the second sidewall 5414 downwards from base plate 5415, base plate 5415 is arranged in inner tube 120, offers multiple the first perforates 5461 on it, and the plurality of the first perforate 5461 is evenly distributed along the tortuous direction of body of helix tube 131, and its body to helix tube 131 just, on flap 5146, offer multiple the second perforates 5462, the plurality of the second perforate 5462 is evenly distributed along the tortuous direction of body of helix tube 131, and it tilts towards the body of helix tube 131, fixed head 5417 is arranged on outer tube 110, the liquid inlet tube 542 of liquid ejector 540 is for being opened in the guide hole being communicated with separating liquid mechanism 543 on the second sidewall 5414.
In the time that the present embodiment coil heat exchanger is worked, liquid flows into from the guide hole being opened in the second sidewall 5414 the separating liquid mechanism 543 that is pore shape, the liquid that enters separating liquid mechanism 543 is delivered to each the first perforate 5461 and each the second perforate 5462, then liquid sprays to helix tube 131 from the body oblique upper of helix tube 131 to helix tube 131 and through each the second perforate 5462 from spraying directly over the body of helix tube 131 through each the first perforate 5461, spray to the liquid of helix tube 131 and carry out exchange heat with the refrigerant of the helix tube 131 of flowing through, the liquid that carries out exchange heat with the refrigerant of the helix tube 131 of flowing through imports liquid manifold 150, then the liquid that imports liquid manifold 150 flows out by liquid outlet 151.
Because the present embodiment coil heat exchanger is sprayed to helix tube 131 atomizing of liquids and passes through the second perforate 5462 and spray to helix tube 131 atomizing of liquids from the body oblique upper of helix tube 131 directly over the body of helix tube 131 by the first perforate 5461, thereby increase the contact area of the body of liquid and helix tube 131, and then further improved heat exchange efficiency.
Certainly according to actual conditions, can do following equivalence and change, as omit inner tube 120, by refrigerant coil pipe 130 be arranged in a plane tortuous bending be back and forth comb shape, by the increase etc. gradually in the tortuous direction of refrigerant coil pipe of the distance between perforate.
These are only preferred embodiment of the present utility model; not thereby limit the scope of the claims of the present utility model; every equivalent structure or conversion of equivalent flow process that utilizes the utility model description and accompanying drawing content to do; or be directly or indirectly used in other relevant technical fields, be all in like manner included in scope of patent protection of the present utility model.
Claims (10)
1. a coil heat exchanger, is characterized in that, comprising:
Outer tube;
Be arranged on the refrigerant coil pipe by the tortuous one-tenth of body in outer tube;
Be arranged on the liquid ejector of outer tube one end, this liquid ejector is provided with the multiple liquid ejection outlets that direct the flow of liquid either into the liquid-inlet of liquid ejector, arrange along the tortuous direction of body of refrigerant coil pipe and the diversion mechanism that the liquid of influent injector is delivered to each liquid ejection outlet; And
Be arranged on the liquid manifold of the outer tube other end, this liquid manifold has the liquid outlet flowing out for guiding liquids.
2. coil heat exchanger as claimed in claim 1, is characterized in that, described refrigerant coil pipe is individual layer helical form or multi-layer spiral.
3. coil heat exchanger as claimed in claim 1, it is characterized in that, described liquid ejection outlet is arranged on directly over the body of refrigerant coil pipe, and the center line of described liquid ejection outlet and refrigerant coil pipe close on angle between the tangent line at the described liquid ejection outlet of process center of the body of liquid ejection outlet between 5 degree to 10 degree.
4. coil heat exchanger as claimed in claim 1, it is characterized in that, described liquid ejector has an injector lid that is arranged on the corresponding one end of outer tube, injector covers and offers multiple perforates, the diversion mechanism of described liquid ejector has tap and multiple isocon, described tap has an entrance point and multiple port of export, the liquid-inlet of described liquid ejector is the entrance point of tap or is the liquid inlet tube that is connected to the entrance point of tap, one end of described each isocon is connected with the port of export of corresponding tap respectively, the other end of described each isocon is plugged in respectively in the corresponding aperture of injector lid to form described liquid ejection outlet.
5. coil heat exchanger as claimed in claim 1, it is characterized in that, described liquid ejector has an injector lid that is arranged on the corresponding one end of outer tube, described injector covers the perforate that offers the tortuous direction arrangement of multiple bodys along refrigerant coil pipe to form described liquid ejection outlet, in described injector lid, offer the pore being all communicated with each perforate to form described diversion mechanism, described injector covers and offers the guide hole being communicated with pore or be provided with the liquid inlet tube being communicated with pore to form described liquid-inlet.
6. coil heat exchanger as claimed in claim 5, is characterized in that, described multiple perforates have multiple the first perforates and multiple the second perforate, the just body to helix tube of multiple the first perforates, and multiple the second perforates are tilted towards the body of helix tube.
7. coil heat exchanger as claimed in claim 6, it is characterized in that, described injector lid has roof, diapire and connects the first side wall and second sidewall of roof and diapire, the second sidewall is arranged on the outside of the first side wall, described roof, diapire, the first side wall and the second sidewall surround described pore, described diapire has base plate and bends the flap extending out from base plate, and described multiple the first perforates are opened on base plate, and described multiple the second perforates are opened on flap.
8. the coil heat exchanger as described in claim 1 to 7 any one, is characterized in that, described each perforate is evenly distributed along the tortuous direction of body of refrigerant coil pipe.
9. a coil heat exchanger, is characterized in that, comprising:
Outer tube;
Be arranged on the refrigerant coil pipe by the tortuous one-tenth of body in outer tube;
Be arranged on the liquid ejector of outer tube one end, this liquid ejector is provided with the gap that direct the flow of liquid either into the liquid-inlet of liquid ejector, extend along the tortuous direction of body of refrigerant coil pipe and the diversion mechanism that the liquid of influent injector is delivered to gap; And
Be arranged on the liquid manifold of the outer tube other end, this liquid manifold has the liquid outlet flowing out for guiding liquids.
10. coil heat exchanger as claimed in claim 9, it is characterized in that, described liquid ejector has an injector lid that is arranged on the corresponding one end of outer tube, in described injector lid, offer the pore being communicated with described gap to form described diversion mechanism, described injector covers and offers the guide hole being communicated with pore or be provided with the liquid inlet tube being communicated with pore to form described liquid-inlet.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320793660.0U CN203672195U (en) | 2013-12-04 | 2013-12-04 | Coil heat exchanger |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320793660.0U CN203672195U (en) | 2013-12-04 | 2013-12-04 | Coil heat exchanger |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203672195U true CN203672195U (en) | 2014-06-25 |
Family
ID=50968481
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320793660.0U Withdrawn - After Issue CN203672195U (en) | 2013-12-04 | 2013-12-04 | Coil heat exchanger |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203672195U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104697362A (en) * | 2013-12-04 | 2015-06-10 | 美的集团股份有限公司 | Coil heat exchanger |
| CN107208985A (en) * | 2014-12-18 | 2017-09-26 | 迈科电气设备厂有限公司 | Heat exchanger and the air technique equipment with heat exchanger |
| CN110793128A (en) * | 2018-08-02 | 2020-02-14 | 宁波方太厨具有限公司 | Heat exchange device, range hood with heat exchange device and kitchen air conditioning system |
| CN112781405A (en) * | 2021-01-25 | 2021-05-11 | 四川空分设备(集团)有限责任公司 | High-efficient compact heat exchanger of multichannel formula |
-
2013
- 2013-12-04 CN CN201320793660.0U patent/CN203672195U/en not_active Withdrawn - After Issue
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104697362A (en) * | 2013-12-04 | 2015-06-10 | 美的集团股份有限公司 | Coil heat exchanger |
| CN107208985A (en) * | 2014-12-18 | 2017-09-26 | 迈科电气设备厂有限公司 | Heat exchanger and the air technique equipment with heat exchanger |
| CN107208985B (en) * | 2014-12-18 | 2019-07-26 | 迈科电气设备厂有限公司 | Heat exchanger and air technique equipment with heat exchanger |
| CN110793128A (en) * | 2018-08-02 | 2020-02-14 | 宁波方太厨具有限公司 | Heat exchange device, range hood with heat exchange device and kitchen air conditioning system |
| CN112781405A (en) * | 2021-01-25 | 2021-05-11 | 四川空分设备(集团)有限责任公司 | High-efficient compact heat exchanger of multichannel formula |
| CN112781405B (en) * | 2021-01-25 | 2023-03-24 | 四川空分设备(集团)有限责任公司 | High-efficient compact heat exchanger of multichannel formula |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20140625 Effective date of abandoning: 20170728 |