CN111146718A - Closed power distribution cabinet high frequency anti-aging heat sink - Google Patents
Closed power distribution cabinet high frequency anti-aging heat sink Download PDFInfo
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- CN111146718A CN111146718A CN202010168331.1A CN202010168331A CN111146718A CN 111146718 A CN111146718 A CN 111146718A CN 202010168331 A CN202010168331 A CN 202010168331A CN 111146718 A CN111146718 A CN 111146718A
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- cylinder
- power distribution
- distribution cabinet
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
- H02B1/00—Frameworks, boards, panels, desks, casings; Details of substations or switching arrangements
- H02B1/56—Cooling; Ventilation
- H02B1/565—Cooling; Ventilation for cabinets
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
- H02B1/00—Frameworks, boards, panels, desks, casings; Details of substations or switching arrangements
- H02B1/26—Casings; Parts thereof or accessories therefor
- H02B1/28—Casings; Parts thereof or accessories therefor dustproof, splashproof, drip-proof, waterproof or flameproof
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Cooling Or The Like Of Electrical Apparatus (AREA)
Abstract
The invention discloses a high-frequency anti-aging cooling device for a closed power distribution cabinet, which comprises a cylinder type pressurizing cylinder and a pressure switching cooling part, wherein the pressure switching cooling part is arranged at the bottom of the cylinder type pressurizing cylinder, and an outer cylinder on the cylinder type pressurizing cylinder is provided with a laser high-frequency heater. According to the invention, the cylinder type pressure cylinder is arranged, the laser high-frequency heater is arranged on the cylinder type pressure cylinder to realize rapid generation of steam pressure in the cylinder type pressure cylinder, the refrigerant is filled in the ball valve type switching combination in the arranged pressure switching cooling part, the steam pressure can compress and vaporize the refrigerant, then the turntable on the ball valve type switching combination is turned over to guide the vaporized refrigerant into the cooling pipe with low pressure, and the cooling pipe is arranged in the power distribution cabinet, so that the vaporized refrigerant can be liquefied and absorb heat after the pressure environment is reduced to only critical pressure, the interior of the power distribution cabinet is cooled, the power distribution cabinet can be designed to be closed, and the anti-aging effect is further achieved.
Description
Technical Field
The invention relates to the technical field of power distribution cabinets, in particular to a high-frequency anti-aging cooling device for a closed power distribution cabinet.
Background
Power distribution cabinet and lighting power distribution cabinet, measurement cabinet are distribution system's final stage equipment, in places such as the relatively poor workshop of some operational environment, casting, forging, heat treatment, boiler room, carpenter's room, and current switch board structure when ventilating usually, inside heat abstractor that sets up appears easily from this, and heat abstractor's function singleness, the radiating effect is poor, from this ageing of accelerating circuit and electrical apparatus original paper easily.
At present, a common heat dissipation device is a heat dissipation fan and is combined with heat dissipation holes arranged on a power distribution cabinet to realize heat dissipation, but the heat dissipation is easily influenced by an external environment, so that the internal temperature of the power distribution cabinet is unstable; the existing closed power distribution cabinet is usually installed in an air conditioning room, and the mode can only improve the external temperature environment of the power distribution cabinet and can increase the investment.
Therefore, the invention provides a high-frequency anti-aging cooling device for a closed power distribution cabinet.
Disclosure of Invention
The invention aims to: in order to solve the problem that the existing power distribution cabinet is easy to accelerate aging of internal circuits and electrical components due to poor heat dissipation and poor pollution prevention effect, the high-frequency anti-aging cooling device for the closed power distribution cabinet is provided.
In order to achieve the purpose, the invention adopts the following technical scheme:
the utility model provides a closed power distribution cabinet high frequency anti-aging heat sink, includes cylinder type pressure cylinder and pressure switching cooling portion, pressure switching cooling portion installs in the bottom of cylinder type pressure cylinder, be provided with laser high frequency heating ware on the outer jar on the cylinder type pressure cylinder, top fixedly connected with in the outer jar is with the stick that generates heat that the axle center distributes, the high frequency spiral pipe clearance cover on the laser high frequency heating ware is established in the outside that generates heat the stick, piston disc and outer jar elastic connection in the cylinder type pressure cylinder, pressure switching cooling portion includes ball valve formula switching combination and is located the cooling pipe that ball valve formula switching combination lower part has reset function.
As a further description of the above technical solution:
the ball valve type switching combination comprises a spherical shell and a rotary disc positioned in the spherical shell, and the outer periphery of the rotary disc is fixedly provided with an annular plug.
As a further description of the above technical solution:
the outer cylinder and the cooling pipe are coaxially distributed, and the outer cylinder and the cooling pipe are matched with the annular plug for use.
As a further description of the above technical solution:
the top fixedly connected with reset spring one of outer jar, the piston rod on the piston dish is sealed to run through heating rod one end and stretches out the outside of outer jar, the external connection of outer jar has the gulp valve.
As a further description of the above technical solution:
the inner axial sliding of the cooling pipe is connected with a sealing plate, the bottom of the cooling pipe is fixedly connected with a second reset spring, the top of the second reset spring is fixedly connected with the bottom of the sealing plate, and the outer portion of the cooling pipe is connected with an air outlet valve.
As a further description of the above technical solution:
the outer periphery of the spherical shell is fixedly connected with a mounting plate, and vacuum cavities are formed in the mounting plate and the turntable.
As a further description of the above technical solution:
the outer wall of the outer cylinder is fixedly provided with a connecting pipe connected with the air compensating valve, and the outer wall of the connecting pipe is screwed with a feeding valve.
As a further description of the above technical solution:
the outer periphery of the annular plug is fixedly connected with two coaxial circular shafts which are in running fit with the inner surface wall of the spherical shell.
In summary, due to the adoption of the technical scheme, the invention has the beneficial effects that:
1. according to the invention, the cylinder type pressure cylinder is arranged, the laser high-frequency heater is arranged on the cylinder type pressure cylinder to realize rapid generation of steam pressure in the cylinder type pressure cylinder, the refrigerant is filled in the ball valve type switching combination in the arranged pressure switching cooling part, the steam pressure can compress and vaporize the refrigerant, then the turntable on the ball valve type switching combination is turned over to guide the vaporized refrigerant into the cooling pipe with low pressure, and the cooling pipe is arranged in the power distribution cabinet, so that the vaporized refrigerant can be liquefied and absorb heat after the pressure environment is reduced by only critical pressure, and further the interior of the power distribution cabinet is cooled, therefore, the power distribution cabinet can be designed to be closed, and the anti-aging effect is further achieved.
2. According to the invention, the bottom of the cooling pipe is fixedly connected with a second return spring, the top of the second return spring is fixedly connected with the bottom of the sealing plate, the top of the outer cylinder is fixedly connected with a first return spring, a piston rod on the piston disc hermetically penetrates through one end of the heating rod and extends out of the outer cylinder, the outer part of the outer cylinder is connected with an air supplementing valve, one side of the cooling pipe is provided with an exhaust valve, and the air supplementing valve can be communicated with the exhaust valve through a pipeline.
3. In the invention, the outer wall of the outer cylinder is fixedly provided with a connecting pipe connected with the air compensating valve, the outer wall of the connecting pipe is screwed with a feeding valve, the connecting pipe is close to the lower end, and when the piston disc is positioned at the upper part of the connecting pipe, a refrigerant can be conveyed into the spherical shell through the feeding valve; when the piston disc is positioned at the lower part of the connecting pipe, water can be conveyed to the outer cylinder through the feeding valve, and the evaporation medium and the refrigerant are conveniently fed.
Drawings
Fig. 1 is a schematic structural diagram of a cylinder type pressure increasing cylinder, a pressure switching temperature reducing part and a laser high-frequency heater of a high-frequency anti-aging temperature reducing device for a closed power distribution cabinet, which is provided by the invention, in cooperation;
FIG. 2 is a schematic structural diagram of a cylinder type pressurization cylinder and a laser high-frequency heater of the high-frequency anti-aging cooling device for the closed power distribution cabinet provided by the invention;
fig. 3 is a schematic structural diagram of a ball valve type switching combination and a cooling pipe of the high-frequency anti-aging cooling device for the closed power distribution cabinet according to the present invention;
FIG. 4 is a schematic structural diagram of the connection of the outer cylinder, the spherical shell and the cooling pipe of the high-frequency anti-aging cooling device for the closed power distribution cabinet, which is provided by the invention;
fig. 5 is a schematic structural diagram of a front view cross section of a turntable of the high-frequency anti-aging cooling device for the closed power distribution cabinet according to the present invention.
Illustration of the drawings:
1. a cylinder type supercharging cylinder; 11. an outer cylinder; 111. a heating rod; 12. a piston disc; 121. a piston rod; 13. a first return spring; 14. an air supply valve; 15. a connecting pipe; 151. a feeding valve; 2. a pressure switching cooling unit; 21. a ball valve type switching combination; 211. a spherical shell; 2111. mounting a plate; 22. a cooling pipe; 221. a sealing plate; 222. a second return spring; 223. an exhaust valve; 212. a turntable; 2121. annular plugging; 21211. a circular shaft; 3. a laser high-frequency heater; 31. a high-frequency spiral tube; 4. a vacuum chamber.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Example 1
Referring to fig. 1-4, a high-frequency anti-aging cooling device for a closed power distribution cabinet includes a cylinder type pressure increasing cylinder 1 and a pressure switching cooling part 2, wherein the cylinder type pressure increasing cylinder 1 is used for providing steam pressure, and the pressure switching cooling part 2 has the function of changing pressure; specifically, the pressure switching cooling part 2 is installed at the bottom of the cylinder type pressurizing barrel 1, the outer cylinder 11 on the cylinder type pressurizing barrel 1 is provided with the laser high-frequency heater 3, the top in the outer cylinder 11 is fixedly connected with the heating rod 111 which is coaxially distributed, the high-frequency spiral tube 31 on the laser high-frequency heater 3 is sleeved outside the heating rod 111 in a clearance manner, an evaporation medium such as water is added into the inner cavity of the outer cylinder 11 through the arrangement, the arranged laser high-frequency heater 3 is controlled to provide high-frequency alternating current into the high-frequency spiral tube 31, so that the same-frequency alternating current can be generated on the surface layer of the heating rod 111, high temperature of about 900 degrees is generated on the surface layer of the heating rod 111 in a short time, the water in the inner cavity of the outer cylinder 11 can be quickly evaporated by the high temperature, high-pressure steam rapidly appears in the outer cylinder 11, and the high-pressure, in conclusion, the high-frequency heating principle is adopted to realize the rapid pressure rise, and the structure matched with the pressurizing cylinder 1 has the advantages of low energy consumption, simple structure, low cost and corresponding rapid effect; the pressure switching cooling part 2 comprises a ball valve type switching combination 21 and a cooling pipe 22 positioned at the lower part of the ball valve type switching combination 21, wherein the ball valve type switching combination 21 comprises a spherical shell 211 and a rotary disc 212 positioned in the spherical shell 211, the top of the spherical shell 211 is communicated with the outlet end at the bottom of an outer cylinder 11, the outer cylinder 11 and the cooling pipe 22 are coaxially distributed, the rotary disc 212 plays a role of a valve plate and rotates in the inner cavity of the spherical shell 211, and when the rotary disc 212 is positioned at a horizontal position, common refrigerant such as tetrafluoroethane or R22 is filled into the space at the upper part of the inner disc 212 of the spherical shell 211, and the two have the effects of low boiling; therefore, in the above description, the piston disc 12 slides downwards to compress the refrigerant in the spherical housing 211, the refrigerant is vaporized after being compressed under high pressure, and at this time, the refrigerant is in a high-temperature and high-pressure state, so that the heat dissipation fins can be welded on the upper hemispherical surface of the spherical housing 211 and cooperate with an external heat dissipation fan to dissipate heat, the annular block 2121 is fixedly arranged on the outer periphery of the rotary disc 212, two circular shafts 21211 which are coaxial and rotatably cooperate with the inner surface wall of the spherical housing 211 are fixedly connected to the outer periphery of the annular block 2121, a driving motor is mounted on the outer portion of the spherical housing 211 and connected with the circular shafts 21211, so that the driving motor can drive the rotary disc 212 to turn over, so that the vaporized refrigerant can be carried into the lower hemispherical cavity of the spherical housing 211, and the cooling pipe 22 located at the lower part is in a non-pressure state under a normal state, wherein, the pressure in the whole cavity is reduced after the cooling pipe 22 is communicated with the vaporized refrigerant, at the moment, the refrigerant starts to be liquefied, and the liquefaction has the heat absorption effect, so that the cooling pipe 22 is placed in the closed power distribution cabinet, the low-temperature cooling pipe 22 can reduce the temperature in the power distribution cabinet, and has the refrigeration effect, and further, circuits and electrical equipment elements in the power distribution cabinet are cooled; in particular, the annular block 2121 is used in cooperation with the outer cylinder 11 and the cooling pipe 22 is used in cooperation with the annular block 2121, the annular block 2121 is structurally shown in the figure, the outer periphery of the annular block 2121 is in sealing fit with the inner cavity of the spherical shell 211, and the annular block 2121 has the function of blocking the communication between the cooling pipe 22 and the outer cylinder 11; to sum up, the supporting power distribution cabinet who uses of this heat sink can adopt sealed structure, can make power distribution cabinet dustproof from this, prevent weathering and anti-aging.
Example 2
Referring to fig. 2 and 3, the difference from embodiment 1 is that the cooling tube 22 has a return function, specifically, a second return spring 222 is fixedly connected to the bottom of the cooling tube 22, the top of the second return spring 222 is fixedly connected to the bottom of the sealing plate 221, when the refrigerant starts to enter the cooling tube 22, the sealing plate 221 is pushed to slide downward due to the existence of pressure, the second return spring 222 is compressed, the pressure set by the second return spring is lower than the critical pressure of the refrigerant, after the refrigerant is liquefied, an exhaust valve 223 can be installed on one side of the cooling tube 22, the exhaust valve 223 is opened to release the pressure, and the second return spring 222 is extended, so that the sealing plate 221 can push the liquid refrigerant to enter the lower hemispherical cavity of the spherical shell 211, and at this time, the control dial 212 rotates to re-deliver the liquid refrigerant to the upper hemispherical cavity of the spherical shell 211; piston disc 12 and outer jar 11 elastic connection in the cylinder type pressure cylinder 1, concrete top fixedly connected with reset spring 13 for outer jar 11, piston rod 121 on the piston disc 12 is sealed and runs through heating rod 111 one end and stretch out outer jar 11 outside and be connected with reset spring 13, outer jar 11 external connection has gulp valve 14, after outer jar 11 dispels the heat, steam liquefaction in it, pressure reduction, reset spring 13 stretches to drive piston disc 12 upwards slip this moment, then can carry out next refrigeration cycle, wherein gulp valve 14 can pass through pipeline and discharge valve 223 intercommunication, from this realize the internal circulation, it is safer environmental protection when having reset function.
Example 3
Referring to fig. 2 and 5, the difference from embodiment 1 is that the outer periphery of the spherical housing 211 is fixedly connected with a mounting plate 2111, the mounting plate 2111 is used for connecting with the outer wall of the power distribution cabinet to fix the cooling device, and the mounting plate 2111 and the turntable 212 are both provided with vacuum chambers 4, which has the effect of heat insulation.
Example 4
Referring to fig. 2, the difference from embodiment 2 is that the outer wall of the outer cylinder 11 is fixedly provided with a connecting pipe 15 connected with the aeration valve 14, the outer wall of the connecting pipe 15 is screwed with a feeding valve 151, the connecting pipe 15 is near the lower end, and when the piston disc 12 is located at the upper position of the connecting pipe 15, refrigerant can be delivered into the spherical housing 211 through the feeding valve 151; when the piston disc 12 is positioned at the lower part of the connecting pipe 15, water can be conveyed into the outer cylinder 11 through the feeding valve 151; the refrigerant has the effects of convenient feeding of the evaporation medium and the refrigerant.
The working principle is as follows: before use, the mounting plate 2111 is mounted at the top of the outside of the closed power distribution cabinet, and then the cooling pipe 22 extends into the power distribution cabinet, the valve can adopt an electric control structure and is electrically connected with a single chip microcomputer control system outside both the driving motor and the laser high-frequency heater 3, and the outer cylinder 11, the spherical shell 211 and the cooling pipe are correspondingly matched with a pressure sensor and a temperature sensor and are also connected with an external single chip microcomputer control system; when the power distribution cabinet is used, the laser high-frequency heater 3 is controlled to act to provide high-frequency current into the high-frequency spiral tube 31, the surface layer of the heating rod 111 generates high temperature, water in the outer cylinder 11 is evaporated to generate steam pressure, the high-pressure steam starts to push the piston disc 12 in the outer cylinder 11 to slide downwards, a refrigerant in the spherical shell 211 is vaporized, after heat dissipation is carried out, the driving motor can drive the rotary disc 212 to turn over, the vaporized refrigerant is carried into the lower hemispherical inner cavity of the spherical shell 211, the vaporized refrigerant is liquefied and absorbs heat under the space compensation effect of the cooling tube 22, and the internal temperature of the power distribution cabinet is reduced.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.
Claims (8)
1. A high-frequency anti-aging cooling device for a closed power distribution cabinet is characterized by comprising a cylinder type pressurizing cylinder (1) and a pressure switching cooling part (2), the pressure switching cooling part (2) is arranged at the bottom of the cylinder type supercharging cylinder (1), the outer cylinder (11) on the cylinder type supercharging cylinder (1) is provided with a laser high-frequency heater (3), the top of the inner part of the outer cylinder (11) is fixedly connected with heating rods (111) which are coaxially distributed, the high-frequency spiral tube (31) on the laser high-frequency heater (3) is sleeved outside the heating rod (111) with a clearance, a piston disc (12) in the cylinder type supercharging cylinder (1) is elastically connected with an outer cylinder (11), the pressure switching cooling part (2) comprises a ball valve type switching combination (21) and a cooling pipe (22) which is positioned at the lower part of the ball valve type switching combination (21) and has a reset function.
2. The high-frequency anti-aging cooling device for the closed power distribution cabinet according to claim 1, wherein the ball valve type switching combination (21) comprises a spherical housing (211) and a rotary disc (212) positioned in the spherical housing (211), and an annular plug (2121) is fixedly arranged on the outer periphery of the rotary disc (212).
3. The high-frequency anti-aging cooling device for the closed power distribution cabinet according to claim 2, wherein the outer cylinder (11) and the cooling pipe (22) are coaxially distributed, and the outer cylinder (11) and the cooling pipe (22) are used in cooperation with the annular plug (2121).
4. The high-frequency anti-aging cooling device for the closed power distribution cabinet according to claim 1, wherein a first return spring (13) is fixedly connected to the top of the outer cylinder (11), a piston rod (121) on the piston disc (12) hermetically penetrates through one end of the heating rod (111) and extends out of the outer cylinder (11), and an air supply valve (14) is connected to the outer portion of the outer cylinder (11).
5. The high-frequency anti-aging cooling device for the closed power distribution cabinet according to claim 1, wherein a sealing plate (221) is axially slidably connected in the cooling pipe (22), a second return spring (222) is fixedly connected to the bottom of the cooling pipe (22), the top of the second return spring (222) is fixedly connected to the bottom of the sealing plate (221), and an air outlet valve (223) is connected to the outside of the cooling pipe (22).
6. The high-frequency anti-aging cooling device for the closed power distribution cabinet according to claim 2, wherein a mounting plate (2111) is fixedly connected to the outer periphery of the spherical housing (211), and vacuum chambers (4) are respectively formed in the mounting plate (2111) and the turntable (212).
7. The high-frequency anti-aging cooling device for the closed power distribution cabinet according to claim 4, wherein the outer wall of the outer cylinder (11) is fixedly provided with a connecting pipe (15) connected with the air compensating valve (14), and the outer wall of the connecting pipe (15) is screwed with a feeding valve (151).
8. The high-frequency anti-aging cooling device for the closed power distribution cabinet according to claim 2, wherein the outer periphery of the annular block (2121) is fixedly connected with two coaxial circular shafts (21211) which are rotatably matched with the inner surface wall of the spherical shell (211).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010168331.1A CN111146718B (en) | 2020-03-12 | 2020-03-12 | Closed power distribution cabinet high frequency anti-aging heat sink |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010168331.1A CN111146718B (en) | 2020-03-12 | 2020-03-12 | Closed power distribution cabinet high frequency anti-aging heat sink |
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| CN111146718A true CN111146718A (en) | 2020-05-12 |
| CN111146718B CN111146718B (en) | 2022-03-22 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112497548A (en) * | 2020-11-04 | 2021-03-16 | 丁洋洋 | Coloring process system of color master batches |
| CN114172110A (en) * | 2021-11-15 | 2022-03-11 | 安徽明远电力设备制造有限公司 | Airtight high-voltage cable branch box |
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| JP2005273645A (en) * | 2004-02-24 | 2005-10-06 | Honda Motor Co Ltd | Cooling device for engine installed in vehicle |
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| CN209434002U (en) * | 2019-04-18 | 2019-09-24 | 江西明正变电设备有限公司 | A kind of transformer for being easy to radiate |
| CN209766930U (en) * | 2019-07-04 | 2019-12-10 | 淮南常力达电气有限公司 | Power distribution cabinet |
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| US20030210998A1 (en) * | 2002-05-11 | 2003-11-13 | Samsung Gwangju Electronics Co., Ltd. | Dual cylinder apparatus for reciprocal hermetic compressor |
| JP2005273645A (en) * | 2004-02-24 | 2005-10-06 | Honda Motor Co Ltd | Cooling device for engine installed in vehicle |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN112497548A (en) * | 2020-11-04 | 2021-03-16 | 丁洋洋 | Coloring process system of color master batches |
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| CN111146718B (en) | 2022-03-22 |
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Effective date of registration: 20220217 Address after: 414000 jianshenqiao Industrial Park, Yueyang Economic and Technological Development Zone, Yueyang City, Hunan Province (east of Jinfeng Road and north of jianshenqiao Road) Applicant after: HUNAN ORIENT ELECTRICAL EQUIPMENT CO.,LTD. Address before: 236800 No.57 Jiaozhuang, Liwei administrative village, Longyang Town, Qiaocheng District, Bozhou City, Anhui Province Applicant before: Liu Fengyuan |
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