CN210381324U - Uniform strong convection type space heater - Google Patents
Uniform strong convection type space heater Download PDFInfo
- Publication number
- CN210381324U CN210381324U CN201921069554.1U CN201921069554U CN210381324U CN 210381324 U CN210381324 U CN 210381324U CN 201921069554 U CN201921069554 U CN 201921069554U CN 210381324 U CN210381324 U CN 210381324U
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- installation cavity
- heat conduction
- space heater
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Abstract
The utility model provides an equal strong convection type space heater, make by the whole extrusion of the same section structure length direction of heat conduction metal, its section extension structure includes heat source installation cavity, heat conduction portion and fixed mounting portion, fixedly connected with supporter between heat conduction portion and the heat source installation cavity, will surround the space and cut apart into a plurality of fretwork heat transfer convection current passageways, fin formation a plurality of guiding gutters on the heat conduction base plate of heat conduction portion arranges. The technical scheme not only increases the heat dissipation surface mainly comprising conduction and radiation, but also pays more attention to and strengthens the convective heat diffusion capability of the space heater in the closed space of the electrical equipment, and provides efficient and omnibearing moisture intrusion protection for the electrical equipment.
Description
Technical Field
The utility model relates to an electric heater especially relates to for the moisture-proof of electrical equipment airtight space such as motor, the heater unit of antisweat.
Background
The temperature and humidity conditions of the working environment of some electrical equipment such as motors, outdoor electric control cabinets, wind power generation motor cabinets and the like are complex, if the environmental temperature is low or the humidity is high, the temperature of the closed small environment of the electrical equipment is changed greatly from operation to shutdown, the electrical equipment is easy to damp, dewed and frosted and corroded, the electrical insulating property is reduced, and further the electrical equipment can be caused to be failed or even burnt out, or the equipment is corroded or started by supercooling. The existing solution is to add an electric heater in the electric equipment such as a motor, an electric control cabinet, a wind power generation motor cabinet and the like, so that the temperature in the closed space is about 5 ℃ higher than the outside, the electric insulation performance of the electric equipment is prevented from being influenced by the erosion of the humidity, the dewing and the frosting, and the working safety and the reliability of the electric equipment are ensured. The existing damp-proof heater for motors mainly comprises a U-shaped tube heater, a woven heating belt, a silica gel heating belt, a metal heating belt and the like. Although the heater products have simple structures, the appearance quality of the products is generally not high, and more importantly, the generated heat is mainly concentrated on the periphery of the heater, and the whole space of the electrical equipment is extremely uneven due to temperature rise of the heat, so that the technical effects of preventing moisture integrally, maintaining the temperature stability of the running environment of the equipment and ensuring the insulating performance are difficult to achieve.
Disclosure of Invention
The utility model discloses an invention aim at solve the technical problem that the existing electrical equipment heater heat transfer efficiency is lower, be difficult to make the comprehensive, the high-efficient heat transfer of electrical equipment's enclosure, provide one kind with heat conduction, radiation combine together, reinforce the convection current, improve heat transfer efficiency, effectively resist the even strong convection type space heater of moisture invasion.
The application provides an equal strong convection type space heater technical scheme, its main technical content is: the utility model provides an equal strong convection type space heater, make by the whole extrusion of the same section structure length direction of heat conduction metal, its section extending structure includes the heat source installation cavity, heat conduction portion and fixed mounting portion, the heat conduction portion surrounds the heat source installation cavity, fixedly connected with supporter between heat conduction portion and the heat source installation cavity, the supporter is divided into a plurality of fretwork heat transfer convection current passageways with the surrounding space between heat source installation cavity and the heat conduction portion, the heat conduction portion is arranged by heat conduction base plate and the fin of outside extension on heat conduction base plate and is formed the thermal current component of a plurality of guiding gutters.
In a preferred embodiment of the above-mentioned overall technical solution, the support body includes a main support body above and below the heat source installation cavity and a conductive support body extending to a distal end of the heat conducting substrate. Wherein the main support passes through the heat-conducting substrate and becomes a fin of the heat-conducting portion.
In a preferred embodiment of the above overall technical solution, the heat conducting portion has a left-right two-half symmetrical structure, and the heat conducting substrate of each half portion is a rectangular half frame, and is fixedly joined to the left and right main supports above and below the heat source mounting cavity from left to right, respectively, so as to surround the heat source mounting cavity from left to right.
In a preferred embodiment of the above-mentioned overall technical solution, the ratio of the height of the fins or the main support relative to the groove bottom to the distance between the fins or the main support is not less than 5.
In one preferable technical means of the above overall technical scheme, the fixed mounting part is a mounting bracket assembling hole which takes the heat source mounting cavity as a symmetric center; the assembling hole is provided with an opening with a circumferential angle not larger than 90 degrees.
The utility model discloses an equal strong convection type space heater technical scheme of formula, point type heating or line formula heating methods in the past have been changed, its overall structure designs to the three-dimensional space heating member, except that the reinforcing uses heat-conduction, the heat radiation is the efficiency of main heat transfer mode, pay more attention to and reinforce the convection current mode, the thermodynamic effect of production, "independently" with the heat source heat to the all-round convection current diffusion of electrical equipment's relative enclosure space, improve the thermal convection diffusion ability, the all-round high-efficient coupling of heater heat, evenly distributed, overcome the appearance of overheat temperature point, implement all-round moisture protection to electrical equipment, guarantee its reliable, stable insulating safety performance.
Drawings
Fig. 1 is a sectional structure view of the present invention.
Fig. 2 is a perspective structural view after the installation and assembly of the present invention.
Detailed Description
The technical contents of the present invention will be described in detail below with reference to the specific embodiments shown in the drawings. However, the scope of the present invention is not limited to the following examples. The following parts are named for ease of understanding of the sectional configuration, and have the same heat transfer as the heat conduction portion 2.
This equal strong convection type space heater by heat conduction metal, like aluminium or aluminum alloy, according to same section structure extrusion in length direction, by the section extend the structure that obtains in length direction and constitute including heat source installation cavity 1, and surround heat conduction portion 2 of heat source installation cavity 1, still include the support mounting portion of both ends equipment installing support 12. Through supporter fixed connection between heat source installation cavity 1 and the heat conduction portion 2, because of the setting of supporter, divide into a plurality of fretwork heat transfer convection current passageways 13 with the enclosure space between heat source installation cavity 1 and the heat conduction portion 2.
The heat source installation cavity 1 is a cavity for installing the heat source device 10, the lead 9 is an electric connection wire leading out of the heat source installation cavity 1 from the heat source device 10, and two ports of the heat source installation cavity 1 are sealed and sealed by the sealing part 15. The heat source device 10 may be a single-ended heating rod as shown in fig. 1, or may be a heating element such as a PTC.
The heat conducting part 2 is a heat conducting flow member formed by arranging a heat conducting substrate 5 and fins 8 extending outwards on the heat conducting substrate 5 to form a plurality of flow guide grooves 4. The cross section of the heat conducting substrate 5 may be rectangular, oval, etc., and the heat source mounting cavity 1 is located at the center of the rectangular heat conducting substrate 5 and supported by a support. In the present embodiment, the support members include main support members 3 above and below the heat source mounting chamber 1, which are also the nearest support members between the heat source mounting chamber 1 and the heat conductive substrate 5, and conductive support members 7 extending to the distal end of the heat conductive substrate 5, for example, to the four corners of a rectangle. Or as shown in fig. 2, two parallel main supports 3 are adopted, and penetrate through the heat-conducting substrate 5 to form a fin extending outwards like the fin 8, the two main supports 3 and the cavity of the heat source installation cavity 1 form a direct heat dissipation groove 14 of the heat source installation cavity 1, and the fin guide groove 4 and the heat-exchanging convection channel 13 have the technical effects of large area and strong convection effect together, so that the heat conduction and heat radiation effects are greatly improved; the heat conducting part 2 is in a left-right two-half symmetrical structure, the heat conducting substrate 5 of each half is a semi-rectangular frame body, and the left and right heat conducting substrates are fixedly connected to the left and right main supports 3 above and below the heat source installation cavity 1 respectively and surround the heat source installation cavity 1 from left to right.
The ratio of the height of the fin 8 or the extending piece of the main support body 3 relative to the bottom of the slot to the distance between the fin or the main support body 3 is not less than 5, and the convection heat transfer large circulation formed by hot air in the slot through the slots at the two ends and the electrically arranged relative closed space is further strengthened.
The fixed mounting part is a bolt assembly assembling hole 6 setting structure with two ends fixedly assembled with the mounting bracket 12, in the structure, the assembling hole 6 is arranged on the inner wall of the heat conducting substrate 5 by taking the heat source mounting cavity 5 as a symmetrical center, and in order to increase the heat transfer performance, an opening 9 with a circumferential angle not larger than 90 degrees is arranged on each assembling hole 6, and the opening 9 faces to the widest position of the heat exchange convection channel 13 in channel space.
The motor is additionally arranged to be an example, the space heater is arranged in the bottom space of the motor, the space heater is provided with sufficient radiating surfaces, fin radiating grooves 4 among fins 8, direct radiating grooves 14 among main supporting bodies 3, hollow heat exchange convection channels 13 divided by conduction supporting bodies 7 and channels formed by opening ports 9 of assembling holes 6, a chimney effect is presented in work, strong airflow convection circulation and efficient heat exchange are formed in a closed space relative to the motor, heat is dissipated in three modes of conduction, radiation and convection, particularly, an enhanced airflow convection structure is formed, the omnibearing rapid heating and temperature rise of the space of the motor is efficiently completed, and the technical purposes of ideal moisture prevention and electrical insulation safety performance improvement are achieved.
Claims (9)
1. The utility model provides an equal strong convection type space heater, a serial communication port, this space heater is by the whole extrusion of the same section structure length direction of heat conduction metal, its section extending structure includes heat source installation cavity (1), heat conduction portion (2) and fixed mounting portion, heat conduction portion (2) surround heat source installation cavity (1), fixedly connected with supporter between heat conduction portion (2) and heat source installation cavity (1), the supporter is divided into a plurality of fretwork heat transfer convection current passageways (13) with the surrounding space between heat source installation cavity (1) and heat conduction portion (2), the heat conduction portion is arranged by heat conduction base plate (5) and fin (8) of outside extension on heat conduction base plate (5) and is formed the heat conduction component of a plurality of guiding gutters (4).
2. A space heater of the homogeneous strong convection type according to claim 1, wherein the heat source installation chamber (1) is a setting chamber of a heat source device (10) which is a single end heating rod or a PTC heating element.
3. The space heater of uniform strong convection type as claimed in claim 1, wherein the fixing and mounting portion is a bolt assembling hole (6) arrangement structure with both ends fixing and assembling the mounting bracket (12), the assembling holes (6) are distributed on the inner wall of the heat conducting base plate (5) with the heat source mounting cavity 5 as a symmetrical center, and each assembling hole (6) is opened with an opening (9) having a circumferential angle not greater than 90 °.
4. A space heater of the homogeneous strong convection type according to claim 3, characterized in that the open mouth (9) is directed towards the widest point of the heat exchanging convection channel (13) channel space.
5. A space heater of the homoconvection type according to claim 1, 2 or 3, wherein the supports comprise a main support (3) at the most proximal end between the heat source mounting chamber (1) and the heat conducting base plate (5) and a conductive support (7) extending distally to the heat conducting base plate (5).
6. Homoconvection space heater according to claim 5, characterized in that the main support (3) is located through the heat conducting base plate (5) forming a fin extending outwards like the fin (8), the two main supports (3) and the heat source installation cavity (1) forming a direct heat sink (14) of the heat source installation cavity (1).
7. A space heater of the homoconvection type according to claim 1, characterized in that the ratio of the height of the fins (8) to the pitch of the fins (8) is not lower than 5.
8. Homoconvection space heater according to claim 5, characterized in that the ratio of the height of the main support (3) relative to the bottom of the tank to the distance of the main support (3) is not less than 5.
9. A homoconvection space heater as claimed in claim 5, wherein the heat conducting part (2) is a left and right two-half symmetrical structure, the heat conducting base plate (5) of each half is a rectangular half frame, and the left and right sides of the heat conducting base plate are respectively fixedly connected to the main support body (3) of the heat source installation cavity (1) and surround the heat source installation cavity (1) from left to right.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921069554.1U CN210381324U (en) | 2019-07-10 | 2019-07-10 | Uniform strong convection type space heater |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921069554.1U CN210381324U (en) | 2019-07-10 | 2019-07-10 | Uniform strong convection type space heater |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210381324U true CN210381324U (en) | 2020-04-21 |
Family
ID=70270220
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921069554.1U Expired - Fee Related CN210381324U (en) | 2019-07-10 | 2019-07-10 | Uniform strong convection type space heater |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210381324U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113645812A (en) * | 2021-08-19 | 2021-11-12 | 华为技术有限公司 | Heat dissipation structure for electronic equipment and electronic equipment |
-
2019
- 2019-07-10 CN CN201921069554.1U patent/CN210381324U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113645812A (en) * | 2021-08-19 | 2021-11-12 | 华为技术有限公司 | Heat dissipation structure for electronic equipment and electronic equipment |
| CN113645812B (en) * | 2021-08-19 | 2024-03-15 | 华为数字能源技术有限公司 | Heat radiation structure for electronic equipment and electronic equipment |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200421 |