CN107152814A - A kind of high duct type micro heat exchanger of exchange efficiency - Google Patents
A kind of high duct type micro heat exchanger of exchange efficiency Download PDFInfo
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- CN107152814A CN107152814A CN201710338996.0A CN201710338996A CN107152814A CN 107152814 A CN107152814 A CN 107152814A CN 201710338996 A CN201710338996 A CN 201710338996A CN 107152814 A CN107152814 A CN 107152814A
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- pipe
- hot
- cold flow
- heat exchanger
- fluid pipe
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B39/00—Evaporators; Condensers
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Mechanical Engineering (AREA)
- Thermal Sciences (AREA)
- General Engineering & Computer Science (AREA)
- Heat-Exchange Devices With Radiators And Conduit Assemblies (AREA)
- Physical Or Chemical Processes And Apparatus (AREA)
Abstract
The invention discloses a kind of high duct type micro heat exchanger of exchange efficiency, it is related to technical field of heat exchangers.The high duct type micro heat exchanger of the exchange efficiency, including fixed plate, the quantity of the fixed plate is two, eight groups of thermally conductive sheets are provided between two fixed plates, the quantity of every group of thermally conductive sheet is two, extended through on the thermally conductive sheet and be provided with cold flow pipe and hot-fluid pipe, the hot-fluid pipe is located at the front of cold flow pipe, and the two ends of the hot-fluid pipe and cold flow pipe extend through the both sides of two fixed plates and extend to the outside of fixed plate.This is simple in construction, it is easy to use, creativeness is prominent, by conductive rings hot-fluid pipe together with cold flow pipeloop, and open up in conductive rings conduction hole and conductive slot, the heat of hot-fluid pipe can be made to be rapidly introduced into conductive rings, and the temperature of cold flow pipe is handled, add the area of heat exchange, improve the speed of heat exchange, it is to avoid heat transfer rate more slowly influence using and waste of resource situation.
Description
Technical field
The present invention relates to technical field of heat exchangers, more particularly to a kind of high duct type micro heat exchanger of exchange efficiency.
Background technology
Heat exchanger is the equipment that the partial heat of hot fluid is passed to cold fluid.Heat exchanger is a kind of in different temperatures
The energy-saving equipment of heat transfer between material is realized between two or more fluid, is heat is passed by the higher fluid of temperature
Pass temperature relatively low fluid, fluid temperature (F.T.) is reached the index of flow specification, the need for meeting process conditions, be also simultaneously
Improve one of capital equipment of energy utilization rate.Heat exchanger includes industrial large heat exchanger and micro heat exchanger, miniature heat exchange
Device is mainly used on air-conditioning or refrigerator class household small-size product.
As disclosed in Chinese patent " CN104315757.A ", technology used is integrated when the product is to manufacture, is reached
Pipeline connection, compact conformation and from heat-insulated, and effectively reduce the volume of system, although it can reduce micro heat exchanger
Volume, and the cost performance of the product is added, the ability of market competition is improved, but carry out without exchange thermal velocity aspect
Preferably improve, cause product heat-exchange time required after putting goods on the market can also be longer, the normal of influence user makes
With the micro heat exchanger on air-conditioning or refrigerator causes power consumption to increase when work because heat-exchange time is longer, wastes
Resource.
The content of the invention
The technical problem existed based on background technology, the present invention proposes a kind of miniature heat exchange of the high duct type of exchange efficiency
Device, can quickly be exchanged heat, be rapidly achieved set quota, be solved existing miniature when in use to micro heat exchanger
Heat exchanger exchanges the problem of thermal technology is not much improvement to pursue cost performance.
The present invention provides following technical scheme：A kind of high duct type micro heat exchanger of exchange efficiency, including fixed plate, institute
The quantity for stating fixed plate is that eight groups of thermally conductive sheets are provided between two, two fixed plates, and the quantity of every group of thermally conductive sheet is two, institute
State to extend through on thermally conductive sheet and be provided with cold flow pipe and hot-fluid pipe, the hot-fluid pipe is located at the front of cold flow pipe, the hot-fluid pipe
The both sides of two fixed plates are extended through with the two ends of cold flow pipe and extend to the outside of fixed plate, the cold flow pipe and hot-fluid pipe
Surface be fixedly connected by conductive rings, the inside of the conductive rings offers conductive slot, the inside of the conductive rings and difference
Conduction hole, outer surface of the conductive rings at the top of thermally conductive sheet are offered between cold flow pipe and hot-fluid pipe and conductive rings
It is communicated with to be provided with above closure, the outer surface of the ventilation pipe above ventilation pipe, the ventilation pipe and offers external screw thread,
The inwall of the closure offers the internal thread being adapted with external screw thread, and the external screw thread is threadedly coupled with internal thread, described
The inside of conductive rings and positioned at being fixedly connected with conductor between cold flow pipe and hot-fluid pipe.
It is preferred that, the inner bottom wall of the closure is fixedly connected with sealing gasket, bottom and the ventilation pipe of the sealing gasket
Top contact, the sealing gasket is rubber blanket.
It is preferred that, the quantity of the cold flow pipe and hot-fluid pipe is two, and two cold flow pipes and two hot-fluid Guan Jun are to lead
The axis of backing is symmetrical above and below to be set.
It is preferred that, the material of the conductor is bortz powder, carborundum and silicon, and the bortz powder composition is 0.3-
0.5 part, the composition of the carborundum is 0.1-0.3 parts, and the composition of the silicon is 0.2-0.4 parts.
It is preferred that, the material of the conductor is bortz powder, carborundum and silicon, and the bortz powder composition is 0.4 part,
The composition of the carborundum is 0.2 part, and the composition of the silicon is 0.3 part.
It is preferred that, the diameter of the cold flow pipe and hot-fluid pipe is not more than three millimeters.
It is simple in construction the invention provides a kind of high duct type micro heat exchanger of exchange efficiency, it is easy to use, it is creative
It is prominent, hot-fluid pipe together with cold flow pipeloop, and in conductive rings is opened up conduction hole and conductive slot by conductive rings, can be made
The heat of hot-fluid pipe is rapidly introduced into conductive rings, and the temperature of cold flow pipe is handled, and adds the area of heat exchange, is improved
The speed of heat exchange, it is to avoid heat transfer rate more slowly influence using and waste of resource situation, also pass through ventilation and manage and closure
Use cooperatively, can have being changed to the air in conductive rings for timeliness, it is to avoid the air in conductive rings is for a long time
Occurs the slow situation of conduction of velocity after use.
Brief description of the drawings
Fig. 1 is schematic structural view of the invention；
Fig. 2 is that the present invention faces section of structure；
Fig. 3 goes out schematic enlarged-scale view for A in Fig. 2 of the present invention.
In figure：1 fixed plate, 2 thermally conductive sheets, 3 cold flow pipes, 4 hot-fluid pipes, 5 conductive rings, 6 conductive slots, 7 conduction holes, 8 ventilation pipe,
9 closures, 10 external screw threads, 11 internal threads, 12 conductors, 13 sealing gaskets.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete
Site preparation is described, it is clear that described embodiment is only a part of embodiment of the invention, rather than whole embodiments.It is based on
Embodiment in the present invention, it is every other that those of ordinary skill in the art are obtained under the premise of creative work is not made
Embodiment, belongs to the scope of protection of the invention.
Fig. 1-3 are referred to, the present invention provides a kind of technical scheme：A kind of high duct type micro heat exchanger of exchange efficiency：
Embodiment one
A kind of high duct type micro heat exchanger of exchange efficiency, including fixed plate 1, the quantity of fixed plate 1 is two, two
Eight groups of thermally conductive sheets 2 are provided between fixed plate 1, the quantity of every group of thermally conductive sheet 2 is to extend through to be provided with two, thermally conductive sheet 2
Cold flow pipe 3 and hot-fluid pipe 4, hot-fluid pipe 4 are located at the front of cold flow pipe 3, and the quantity of cold flow pipe 3 and hot-fluid pipe 4 is two, cold flow
The diameter of pipe 3 and hot-fluid pipe 4 is not more than three millimeters, and two cold flow pipes 3 and two hot-fluid pipes 4 are with the axis of thermally conductive sheet 2
Under be symmetrical arranged, the two ends of hot-fluid pipe 4 and cold flow pipe 3 extend through the both sides of two fixed plates 1 and extend to the outer of fixed plate 1
The surface of portion, cold flow pipe 3 and hot-fluid pipe 4 is fixedly connected by conductive rings 5, and the inside of conductive rings 5 offers conductive slot 6, conduction
The inside of ring 5 is simultaneously located between cold flow pipe 3 and hot-fluid pipe 4 and conductive rings 5 and offers conduction hole 7 respectively, and conductive rings 5 are close to leading
The outer surface at the top of backing 2 is communicated with ventilation pipe 8, and the top of ventilation pipe 8 is provided with closure 9, and the inner bottom wall of closure 9 is fixed
Sealing gasket 13, the bottom of sealing gasket 13 and the top contact of ventilation pipe 8 are connected with, sealing gasket 13 is outside rubber blanket, ventilation pipe 8
Surface offers external screw thread 10, and the inwall of closure 9 offers the internal thread 11 being adapted with external screw thread 10, external screw thread 10
It is threadedly coupled with internal thread 11, the inside of conductive rings 5 and positioned at being fixedly connected with conductor 12 between cold flow pipe 3 and hot-fluid pipe 4,
The material of conductor 12 is bortz powder, carborundum and silicon, and bortz powder composition is 0.3 part, and the composition of carborundum is 0.1 part,
The composition of silicon is 0.2 part.
Embodiment two
A kind of high duct type micro heat exchanger of exchange efficiency, including fixed plate 1, the quantity of fixed plate 1 is two, two
Eight groups of thermally conductive sheets 2 are provided between fixed plate 1, the quantity of every group of thermally conductive sheet 2 is to extend through to be provided with two, thermally conductive sheet 2
Cold flow pipe 3 and hot-fluid pipe 4, hot-fluid pipe 4 are located at the front of cold flow pipe 3, and the quantity of cold flow pipe 3 and hot-fluid pipe 4 is two, cold flow
The diameter of pipe 3 and hot-fluid pipe 4 is not more than three millimeters, and two cold flow pipes 3 and two hot-fluid pipes 4 are with the axis of thermally conductive sheet 2
Under be symmetrical arranged, the two ends of hot-fluid pipe 4 and cold flow pipe 3 extend through the both sides of two fixed plates 1 and extend to the outer of fixed plate 1
The surface of portion, cold flow pipe 3 and hot-fluid pipe 4 is fixedly connected by conductive rings 5, and the inside of conductive rings 5 offers conductive slot 6, conduction
The inside of ring 5 is simultaneously located between cold flow pipe 3 and hot-fluid pipe 4 and conductive rings 5 and offers conduction hole 7 respectively, and conductive rings 5 are close to leading
The outer surface at the top of backing 2 is communicated with ventilation pipe 8, and the top of ventilation pipe 8 is provided with closure 9, and the inner bottom wall of closure 9 is fixed
Sealing gasket 13, the bottom of sealing gasket 13 and the top contact of ventilation pipe 8 are connected with, sealing gasket 13 is outside rubber blanket, ventilation pipe 8
Surface offers external screw thread 10, and the inwall of closure 9 offers the internal thread 11 being adapted with external screw thread 10, external screw thread 10
It is threadedly coupled with internal thread 11, the inside of conductive rings 5 and positioned at being fixedly connected with conductor 12 between cold flow pipe 3 and hot-fluid pipe 4,
The material of conductor 12 is bortz powder, carborundum and silicon, and bortz powder composition is 0.4 part, and the composition of carborundum is 0.2 part,
The composition of silicon is 0.3 part.
Embodiment three
A kind of high duct type micro heat exchanger of exchange efficiency, including fixed plate 1, the quantity of fixed plate 1 is two, two
Eight groups of thermally conductive sheets 2 are provided between fixed plate 1, the quantity of every group of thermally conductive sheet 2 is to extend through to be provided with two, thermally conductive sheet 2
Cold flow pipe 3 and hot-fluid pipe 4, hot-fluid pipe 4 are located at the front of cold flow pipe 3, and the quantity of cold flow pipe 3 and hot-fluid pipe 4 is two, cold flow
The diameter of pipe 3 and hot-fluid pipe 4 is not more than three millimeters, and two cold flow pipes 3 and two hot-fluid pipes 4 are with the axis of thermally conductive sheet 2
Under be symmetrical arranged, the two ends of hot-fluid pipe 4 and cold flow pipe 3 extend through the both sides of two fixed plates 1 and extend to the outer of fixed plate 1
The surface of portion, cold flow pipe 3 and hot-fluid pipe 4 is fixedly connected by conductive rings 5, and the inside of conductive rings 5 offers conductive slot 6, conduction
The inside of ring 5 is simultaneously located between cold flow pipe 3 and hot-fluid pipe 4 and conductive rings 5 and offers conduction hole 7 respectively, and conductive rings 5 are close to leading
The outer surface at the top of backing 2 is communicated with ventilation pipe 8, and the top of ventilation pipe 8 is provided with closure 9, and the inner bottom wall of closure 9 is fixed
Sealing gasket 13, the bottom of sealing gasket 13 and the top contact of ventilation pipe 8 are connected with, sealing gasket 13 is outside rubber blanket, ventilation pipe 8
Surface offers external screw thread 10, and the inwall of closure 9 offers the internal thread 11 being adapted with external screw thread 10, external screw thread 10
It is threadedly coupled with internal thread 11, the inside of conductive rings 5 and positioned at being fixedly connected with conductor 12 between cold flow pipe 3 and hot-fluid pipe 4,
The material of conductor 12 is bortz powder, carborundum and silicon, and bortz powder composition is 0.5 part, and the composition of carborundum is 0.3 part,
The composition of silicon is 0.4 part.
The present invention is simple in construction, easy to use, and creativeness is prominent, and hot-fluid pipe 4 and cold flow pipe 3 are enclosed by conductive rings 5
Together, and in conductive rings 5 conduction hole 7 and conductive slot 6 are opened up, the heat of hot-fluid pipe 4 can be made to be rapidly introduced into conductive rings 5
In, and the temperature of cold flow pipe 3 is handled, add the area of heat exchange, improve the speed of heat exchange, it is to avoid heat transfer rate
Relatively slow influence using and waste of resource situation, also using cooperatively by take a breath pipe 8 and closure 9 can have timeliness
Air in conductive rings 5 is changed, it is to avoid occur conduction of velocity after the air long-time use in conductive rings 5 slow
Situation.
The foregoing is only a preferred embodiment of the present invention, but protection scope of the present invention be not limited thereto,
Any one skilled in the art the invention discloses technical scope in, technique according to the invention scheme and its
Inventive concept is subject to equivalent substitution or change, should all be included within the scope of the present invention.
Claims (6)
1. a kind of high duct type micro heat exchanger of exchange efficiency, including fixed plate (1), it is characterised in that：The fixed plate (1)
Quantity be two, eight groups of thermally conductive sheets (2) are provided between two fixed plates (1), the quantity of every group of thermally conductive sheet (2) is two,
Extended through on the thermally conductive sheet (2) and be provided with cold flow pipe (3) and hot-fluid pipe (4), the hot-fluid pipe (4) is located at cold flow pipe (3)
Front, the two ends of the hot-fluid pipe (4) and cold flow pipe (3) extend through the both sides of two fixed plates (1) and extend to fixation
The outside of plate (1), the cold flow pipe (3) is fixedly connected with the surface of hot-fluid pipe (4) by conductive rings (5), the conductive rings (5)
Inside offer conductive slot (6), the inside of the conductive rings (5) is simultaneously located at cold flow pipe (3) and hot-fluid pipe (4) with conducting respectively
Conduction hole (7) is offered between ring (5), outer surface of the conductive rings (5) at the top of thermally conductive sheet (2) is communicated with ventilation pipe
(8), it is provided with above the ventilation pipe (8) above closure (9), the outer surface of the ventilation pipe (8) and offers external screw thread
(10), the inwall of the closure (9) offers the internal thread (11) being adapted with external screw thread (10), the external screw thread (10) with
Internal thread (11) is threadedly coupled, the inside of the conductive rings (5) and positioned at being fixedly connected between cold flow pipe (3) and hot-fluid pipe (4)
There is conductor (12).
2. a kind of high duct type micro heat exchanger of exchange efficiency according to claim 1, it is characterised in that：The sealing
The inner bottom wall of lid (9) is fixedly connected with sealing gasket (13), the bottom of the sealing gasket (13) and the top contact of ventilation pipe (8),
The sealing gasket (13) is rubber blanket.
3. a kind of high duct type micro heat exchanger of exchange efficiency according to claim 1, it is characterised in that：The cold flow
The quantity for managing (3) and hot-fluid pipe (4) is two, and two cold flow pipes (3) and two hot-fluid pipes (4) are with thermally conductive sheet (2)
Axis is symmetrical above and below to be set.
4. a kind of high duct type micro heat exchanger of exchange efficiency according to claim 1, it is characterised in that：The conduction
The material of body (12) be bortz powder, carborundum and silicon, the bortz powder composition be 0.3-0.5 parts, the carborundum into
It is divided into 0.1-0.3 parts, the composition of the silicon is 0.2-0.4 parts.
5. a kind of high duct type micro heat exchanger of exchange efficiency according to claim 4, it is characterised in that：The conduction
The material of body (12) is bortz powder, carborundum and silicon, and the bortz powder composition is 0.4 part, and the composition of the carborundum is
0.2 part, the composition of the silicon is 0.3 part.
6. a kind of high duct type micro heat exchanger of exchange efficiency according to claim 4, it is characterised in that：The cold flow
The diameter of pipe (3) and hot-fluid pipe (4) is not more than three millimeters.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710338996.0A CN107152814B (en) | 2017-05-15 | 2017-05-15 | A kind of duct type micro heat exchanger that exchange efficiency is high |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710338996.0A CN107152814B (en) | 2017-05-15 | 2017-05-15 | A kind of duct type micro heat exchanger that exchange efficiency is high |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107152814A true CN107152814A (en) | 2017-09-12 |
| CN107152814B CN107152814B (en) | 2019-11-05 |
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ID=59793614
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710338996.0A Active CN107152814B (en) | 2017-05-15 | 2017-05-15 | A kind of duct type micro heat exchanger that exchange efficiency is high |
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| Country | Link |
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Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2182976Y (en) * | 1993-12-31 | 1994-11-16 | 罗建 | Domestic high efficiency energy-saving heat-exchanger |
| CN2616863Y (en) * | 2003-03-20 | 2004-05-19 | 孙东方 | Heating sunlight two-purpose water heater |
| CN2919170Y (en) * | 2006-07-12 | 2007-07-04 | 于恩常 | Heat-pipe heating blade |
| CN200968784Y (en) * | 2006-04-03 | 2007-10-31 | 石春梅 | High efficiency vacuum steam high-guide energy-saving radiator |
| CN200979385Y (en) * | 2006-10-10 | 2007-11-21 | 怀来县沙城开源太阳能热水器厂 | A square bearing water heater in household heating |
| CN200982826Y (en) * | 2006-07-11 | 2007-11-28 | 刘少华 | Multi-functional water heating apparatus |
| CN201954985U (en) * | 2011-04-01 | 2011-08-31 | 郭学礼 | Multifunctional water heater |
| CN203163084U (en) * | 2013-04-07 | 2013-08-28 | 刘美申 | Heat-exchange type heating structure |
| CN104315757A (en) * | 2014-10-28 | 2015-01-28 | 武汉微冷科技有限公司 | Miniature heat exchanger integrating condensing, throttling and evaporation |
| CN104566612A (en) * | 2014-12-11 | 2015-04-29 | 广东美的环境电器制造有限公司 | Heater and cooling fin of heater |
-
2017
- 2017-05-15 CN CN201710338996.0A patent/CN107152814B/en active Active
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2182976Y (en) * | 1993-12-31 | 1994-11-16 | 罗建 | Domestic high efficiency energy-saving heat-exchanger |
| CN2616863Y (en) * | 2003-03-20 | 2004-05-19 | 孙东方 | Heating sunlight two-purpose water heater |
| CN200968784Y (en) * | 2006-04-03 | 2007-10-31 | 石春梅 | High efficiency vacuum steam high-guide energy-saving radiator |
| CN200982826Y (en) * | 2006-07-11 | 2007-11-28 | 刘少华 | Multi-functional water heating apparatus |
| CN2919170Y (en) * | 2006-07-12 | 2007-07-04 | 于恩常 | Heat-pipe heating blade |
| CN200979385Y (en) * | 2006-10-10 | 2007-11-21 | 怀来县沙城开源太阳能热水器厂 | A square bearing water heater in household heating |
| CN201954985U (en) * | 2011-04-01 | 2011-08-31 | 郭学礼 | Multifunctional water heater |
| CN203163084U (en) * | 2013-04-07 | 2013-08-28 | 刘美申 | Heat-exchange type heating structure |
| CN104315757A (en) * | 2014-10-28 | 2015-01-28 | 武汉微冷科技有限公司 | Miniature heat exchanger integrating condensing, throttling and evaporation |
| CN104566612A (en) * | 2014-12-11 | 2015-04-29 | 广东美的环境电器制造有限公司 | Heater and cooling fin of heater |
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| Publication number | Publication date |
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| CN107152814B (en) | 2019-11-05 |
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