CN115412649A - Heat pipe type cooling system for fax machine - Google Patents
Heat pipe type cooling system for fax machine Download PDFInfo
- Publication number
- CN115412649A CN115412649A CN202210981212.7A CN202210981212A CN115412649A CN 115412649 A CN115412649 A CN 115412649A CN 202210981212 A CN202210981212 A CN 202210981212A CN 115412649 A CN115412649 A CN 115412649A
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- China
- Prior art keywords
- heat
- pipe
- annular evaporator
- condenser
- fax machine
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N1/00—Scanning, transmission or reproduction of documents or the like, e.g. facsimile transmission; Details thereof
- H04N1/00976—Arrangements for regulating environment, e.g. removing static electricity
- H04N1/00978—Temperature control
- H04N1/00989—Temperature control by natural convection, e.g. using fins without a fan
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- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Cooling Or The Like Of Electrical Apparatus (AREA)
Abstract
The invention relates to a heat pipe type heat dissipation system for a fax machine, which comprises an annular evaporator, a flat plate condenser, a steam ascending pipe and a condensate descending pipe, wherein one end of the steam ascending pipe is connected with an outlet of the annular evaporator, the other end of the steam ascending pipe is connected with an inlet of the flat plate condenser, one end of the condensate descending pipe is connected with an outlet of the flat plate condenser, and the other end of the condensate descending pipe is connected with an inlet of the annular evaporator; the annular evaporator is tightly attached to the shell of the paper conveying motor in the circumferential direction, the surface of a flat plate at one side of the flat plate condenser is tightly attached to the outer wall of a casing of the fax machine, and the surface of the other side of the flat plate condenser is provided with uniformly distributed radiating fins which are tightly attached to a radiating fan for forced convection radiation. The invention installs a separate heat pipe structure composed of an annular evaporator, a flat condenser, a steam ascending pipe and a condensate descending pipe on a paper conveying motor in the fax machine, so that heat generated by the paper conveying motor during working is remotely conveyed out of the machine shell to be dissipated, thereby avoiding fax machine faults caused by overheating and burning of the paper conveying motor and preventing dust from entering the interior to damage electronic components.
Description
Technical Field
The invention relates to the technical field of fax machines, in particular to a heat pipe type heat dissipation system for a fax machine.
Background
Facsimile machines are communication devices that use scanning and photoelectric conversion techniques to convert still images, such as documents, charts, photographs, etc., into electrical signals, which are transmitted to a receiving end for copying in a recorded form.
Because of its convenience, it is still widely used in offices and the like today. The paper feeding motor of the fax machine can generate noise during working, and if the working time of the paper feeding motor is too long, heat cannot be dissipated in time, so that the paper feeding motor is easily damaged, and the integral fault of the fax machine is caused.
The heat dissipation mode that current fax machine adopted dispels the heat through traditional louvre and fan, and the power consumption is high, can't dispel the heat to key position, has reduced the cooling effect, has shortened fax machine's life. In addition, because of the particularity of the fax machine, the sealing performance of the machine body needs to be guaranteed as much as possible, and dust is prevented from entering and affecting the circuit board.
Disclosure of Invention
The technical problem to be solved by the invention is as follows: in order to overcome the defects in the prior art, the invention provides a heat pipe type heat dissipation system for a fax machine, which has good tightness and better heat dissipation effect,
the technical scheme adopted by the invention for solving the technical problems is as follows: a heat pipe type heat dissipation system for a fax machine is provided with a paper conveying motor and a heat dissipation fan, and comprises an annular evaporator, a flat plate condenser, a steam ascending pipe and a condensate descending pipe, wherein the annular evaporator is tightly attached to the shell of the paper conveying motor in the circumferential direction;
one end of the steam ascending pipe is connected with the outlet of the annular evaporator, the other end of the steam ascending pipe is connected with the inlet of the flat condenser, one end of the condensate descending pipe is connected with the outlet of the flat condenser, and the other end of the condensate descending pipe is connected with the inlet of the annular evaporator;
the annular evaporator is internally provided with an arc-shaped liquid suction core used for transmitting heat transfer working media in a bent wall surface close to the paper conveying motor side, and the inner wall surfaces of flat plates at two sides of the flat plate condenser are respectively provided with a plane liquid suction core used for transmitting the heat transfer working media.
Preferably, the heat transfer working medium can be selected from ammonia, freon, acetone, methanol, ethanol, hexane or water.
Preferably, a heat-conducting medium is coated between the inner wall of the annular evaporator and the outer wall of the paper conveying motor, and the heat-conducting medium can be heat-conducting silicone grease, heat-conducting silicone or a graphite sheet.
Preferably, the heat dissipation fins can be selected from straight fins, louver fins, sawtooth fins or corrugated fins.
The beneficial effects of the invention are: according to the invention, the annular evaporator is arranged on the paper conveying motor in the fax machine, the pipeline is matched with the flat condenser, and heat generated when the paper conveying motor of the fax machine works is remotely conveyed out of the machine shell, so that the integral fault of the fax machine caused by overheating and burning of the paper conveying motor is avoided, the sealing performance is strong, dust can be prevented from entering and damaging internal electronic components, the integral weight is light, the size is small, no moving part, no vibration and noise are generated, no external power is input, and the reliability is high.
Drawings
The invention is further illustrated with reference to the following figures and examples.
Fig. 1 is a schematic structural view of the present invention.
Fig. 2 is a schematic view of the installation structure of the ring-shaped evaporator of the present invention.
Fig. 3 is a schematic view of the installation structure of the flat condenser according to the present invention.
Fig. 4 is a schematic view of the construction of the ring evaporator of the present invention.
Fig. 5 is a schematic structural view of the flat plate condenser of the present invention.
In the figure: 1. the system comprises an annular evaporator, 2 a flat condenser, 3 a steam ascending pipe, 4 a condensate descending pipe, 5 a paper conveying motor, 6 a radiating fan, 7 radiating fins, 8 an arc-shaped liquid suction core and 9 a plane liquid suction core.
Detailed Description
The present invention will now be described in further detail with reference to the accompanying drawings. These drawings are simplified schematic views illustrating only the basic structure of the present invention in a schematic manner, and thus show only the constitution related to the present invention.
As shown in fig. 1 to 5, the heat pipe type heat dissipation system for a facsimile machine has a paper feeding motor 5 and a heat dissipation fan 6, and includes an annular evaporator 1, a flat condenser 2, a steam rising pipe 3, and a condensate falling pipe 4.
Wherein, the inner wall of the annular evaporator 1 is tightly attached to the surface of the shell of the paper-feeding motor 5 in the circumferential direction, a notch part reserved in the annular evaporator 1 is used for facilitating the installation of parts such as electrical elements, electric wires and the like of the paper-feeding motor 5 used by the fax machine, and a heat-conducting silicone grease layer used as a heat-conducting medium is coated between the inner wall of the annular evaporator 1 and the outer wall of the paper-feeding motor 5; an arc-shaped liquid suction core 8 for transmitting heat transfer working medium is spot-welded in a curved wall surface of a circular pipe of the circular evaporator 1, which is close to the paper conveying motor 5 side.
The flat surface of one side of the flat condenser 2 is clung to the outer wall of the casing of the fax machine, the other side surface of the flat condenser 2 is provided with radiating fins 7 which are uniformly distributed, the radiating fins 7 adopt straight fins, the radiating fins 7 are clung to a radiating fan 6 of the fax machine to realize forced convection radiation of air, and the inner wall surfaces of the flat plates at the two sides of the flat condenser 2 are respectively provided with a plane liquid absorption core 9 for transmitting heat transfer working medium.
The arc-shaped liquid absorption cores 8 and the plane liquid absorption cores 9 in the embodiment are made of stainless steel wire mesh liquid absorption cores.
One end of a steam ascending pipe 3 is connected with an outlet of an annular evaporator 1, the other end of the steam ascending pipe 3 is connected with an inlet of a flat condenser 2, one end of a condensate descending pipe 4 is connected with an outlet of the flat condenser 2, and the other end of the condensate descending pipe 4 is connected with an inlet of the annular evaporator 1, so that the annular evaporator 1, the steam ascending pipe 3, the flat condenser 2 and the condensate descending pipe 4 are connected into a separated heat pipe loop, the interior of the loop is vacuumized, a certain amount of ethanol is packaged as a heat transfer working medium, and before the heat transfer working medium is poured, an arc-shaped liquid suction core 8 and a plane liquid suction core 9 are installed and vacuumized.
When the heat dissipation system works, an ethanol working medium entering the annular evaporator 1 through the condensate downcomer 4 is initially in a liquid state, the paper conveying motor 5 generates heat in the working process and transfers the heat to the ethanol in the annular evaporator 1, the ethanol absorbs heat and is evaporated from the liquid state into a gaseous state, and the gaseous ethanol is conveyed into the flat-plate condenser 2 from the annular evaporator 1 through the steam riser 3 under the action of pressure. The outer surface of the flat condenser 2 can be combined with a cooling fan 6 to enhance the cold air blowing speed and enhance the cooling effect of the flat condenser 2. Therefore, gaseous ethanol entering the flat condenser 2 is condensed into liquid after being cooled, and liquid ethanol is sent back to the annular evaporator 1 through the condensate downcomer 4, and the circulation is repeated, so that the circulation cooling of the paper conveying motor 5 is completed.
In light of the foregoing description of the preferred embodiment of the present invention, many modifications and variations will be apparent to those skilled in the art without departing from the spirit and scope of the invention. The technical scope of the present invention is not limited to the content of the specification, and must be determined according to the scope of the claims.
Claims (4)
1. The utility model provides a fax machine is with heat pipe formula cooling system, fax machine have defeated paper motor (5) and radiator fan (6), characterized by: the heat dissipation system comprises an annular evaporator (1), a flat condenser (2), a steam ascending pipe (3) and a condensate descending pipe (4), wherein the annular evaporator (1) is tightly attached to the shell of a paper conveying motor (5) in the circumferential direction, the surface of a flat plate at one side of the flat condenser (2) is tightly attached to the outer wall of a machine shell of the fax machine, heat dissipation fins (7) which are uniformly distributed are arranged on the surface of the other side of the flat condenser (2), and the heat dissipation fins (7) are tightly attached to a heat dissipation fan (6) to dissipate heat by forced convection or natural convection with air;
one end of the steam ascending pipe (3) is connected with an outlet of the annular evaporator (1), the other end of the steam ascending pipe is connected with an inlet of the flat condenser (2), one end of the condensate descending pipe (4) is connected with an outlet of the flat condenser (2), and the other end of the condensate descending pipe is connected with an inlet of the annular evaporator (1);
the paper conveying device is characterized in that an arc-shaped liquid suction core (8) used for transmitting heat transfer working media is arranged in a bent wall surface close to the paper conveying motor (5) in the annular evaporator (1), and plane liquid suction cores (9) used for transmitting the heat transfer working media are respectively arranged on inner wall surfaces of flat plates on two sides of the flat plate condenser (2).
2. The heat pipe type heat dissipating system for a facsimile machine according to claim 1, wherein: the heat transfer working medium can be selected from ammonia, freon, acetone, methanol, ethanol, hexane or water.
3. The heat pipe type heat dissipating system for a facsimile machine according to claim 1, wherein: and a heat-conducting medium is coated between the inner wall of the annular evaporator (1) and the outer wall of the paper conveying motor (5), and the heat-conducting medium can be heat-conducting silicone grease, heat-conducting silica gel or a graphite sheet.
4. The heat pipe type heat dissipating system for a facsimile machine according to claim 1, wherein: the radiating fins (7) can be straight fins, louver fins, sawtooth fins or corrugated fins.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210981212.7A CN115412649A (en) | 2022-08-16 | 2022-08-16 | Heat pipe type cooling system for fax machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210981212.7A CN115412649A (en) | 2022-08-16 | 2022-08-16 | Heat pipe type cooling system for fax machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN115412649A true CN115412649A (en) | 2022-11-29 |
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ID=84158703
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210981212.7A Pending CN115412649A (en) | 2022-08-16 | 2022-08-16 | Heat pipe type cooling system for fax machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN115412649A (en) |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101363696A (en) * | 2008-09-03 | 2009-02-11 | 赵耀华 | Flat hot pipe for cooling electron device and processing technology thereof |
| CN106391521A (en) * | 2016-11-11 | 2017-02-15 | 麻城英太利济智能物联网科技有限公司 | Internet fax machine with dust removing function |
| CN106909210A (en) * | 2017-04-19 | 2017-06-30 | 北京空间飞行器总体设计部 | Closed enclosure heat radiation system based on flat board loop circuit heat pipe |
| CN107145205A (en) * | 2017-04-19 | 2017-09-08 | 北京空间飞行器总体设计部 | Laptop radiating system based on flat board loop circuit heat pipe |
| CN108762454A (en) * | 2018-08-06 | 2018-11-06 | 紫光股份有限公司 | A kind of central processor core radiator for blade server |
| CN110411258A (en) * | 2019-08-27 | 2019-11-05 | 广东工业大学 | A kind of radiator of gravity loop heat pipe for CPU heat dissipation |
| CN110763062A (en) * | 2019-11-29 | 2020-02-07 | 大连理工大学 | Heat conduction and heat dissipation integrated flat heat pipe |
| CN210201923U (en) * | 2019-10-17 | 2020-03-27 | 广州市缔客航海设备有限公司 | High-efficient heat abstractor is used to meteorological fax machine |
-
2022
- 2022-08-16 CN CN202210981212.7A patent/CN115412649A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101363696A (en) * | 2008-09-03 | 2009-02-11 | 赵耀华 | Flat hot pipe for cooling electron device and processing technology thereof |
| CN106391521A (en) * | 2016-11-11 | 2017-02-15 | 麻城英太利济智能物联网科技有限公司 | Internet fax machine with dust removing function |
| CN106909210A (en) * | 2017-04-19 | 2017-06-30 | 北京空间飞行器总体设计部 | Closed enclosure heat radiation system based on flat board loop circuit heat pipe |
| CN107145205A (en) * | 2017-04-19 | 2017-09-08 | 北京空间飞行器总体设计部 | Laptop radiating system based on flat board loop circuit heat pipe |
| CN108762454A (en) * | 2018-08-06 | 2018-11-06 | 紫光股份有限公司 | A kind of central processor core radiator for blade server |
| CN110411258A (en) * | 2019-08-27 | 2019-11-05 | 广东工业大学 | A kind of radiator of gravity loop heat pipe for CPU heat dissipation |
| CN210201923U (en) * | 2019-10-17 | 2020-03-27 | 广州市缔客航海设备有限公司 | High-efficient heat abstractor is used to meteorological fax machine |
| CN110763062A (en) * | 2019-11-29 | 2020-02-07 | 大连理工大学 | Heat conduction and heat dissipation integrated flat heat pipe |
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