CN109936071A - High-voltage electrical cabinet cooling system - Google Patents
High-voltage electrical cabinet cooling system Download PDFInfo
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- CN109936071A CN109936071A CN201910303278.9A CN201910303278A CN109936071A CN 109936071 A CN109936071 A CN 109936071A CN 201910303278 A CN201910303278 A CN 201910303278A CN 109936071 A CN109936071 A CN 109936071A
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Abstract
The present invention relates to a kind of high-voltage electrical cabinet cooling systems, multilayer electrical equipment including cabinet and its interior installation, gas distribution mechanism is provided with below electrical equipment, gas distribution mechanism includes horizontally disposed planetary gear mechanism, the cover that the outer gear ring of planetary gear mechanism can be located above relative to body pivot and being fixed with and can breathe freely from surrounding, the upper end of sun gear, which is connected with to be located at, covers intracorporal air-supply flabellum, lower end is sequentially connected with driving motor, planetary gear has at least three and is evenly distributed in circumferencial direction, and it is mounted on cabinet around hollow fixed rotating shaft, the upper end of fixed rotating shaft is connected with spray head, lower end is located at the air compressor machine outside cabinet by air circuit connection.The present invention drives the characteristics of air-supply flabellum and rotation of cover synchronous backward, planetary gear locking using planetary gear mechanism, accelerate the relative rotation speed between air-supply flabellum and cover, guarantee that the cold air gone out from multi-point injection can quickly be scatter, realization radiates to high-voltage electrical apparatus element efficient uniform in cabinet.
Description
Technical field
The invention belongs to high pressures to match field of transmission equipment more particularly to a kind of high-voltage electrical cabinet cooling system.
Background technique
Currently, matching field of power transmission in high pressure, often uses while to multilevel device and element while being monitored electrical
Cabinet.This electrical cabinet usually all includes multiple control units, the structure and function of these control units be generally identical or
It is similar.Single control unit structure and function is relatively independent complete, inside electrical cabinet, lower leaf cloth in multiple control units
It sets, passes through the connection of the physical mediums such as cable or optical fiber between control unit inside.Due to high real-time, high-speed computation
Can, high-speed data exchange the features such as, frequently include inside control unit high speed integrated chip, high-frequency clock, electrical level transferring chip,
Onboard data bus chip etc., when system is run, control unit can generate heat.If without cooling system or heat dissipation effect
Bad, temperature rise is excessively high in electrical cabinet, can make control unit job insecurity, generates equipment and runs hidden danger.And it is chronically at high temperature
Environment, meeting acceleration equipment aging, reduces service life of equipment, and situation serious person is possible to will cause critical system fault.
First patent CN201810171131.4 discloses a kind of high-voltage electrical cabinet of high efficiency and heat radiation, including cabinet, cabinet
Bottom be fixedly connected with bottom plate, the top of the bottom plate and side for being located at cabinet is fixedly connected with motor housing, motor chamber interior wall
Bottom is fixedly connected with first motor by support frame, and the side of cabinet wall bottom is fixedly connected with support plate, support
The side of plate is connected with ellipse by movable axis.The high-voltage electrical cabinet of the high efficiency and heat radiation extends to top plate by slide bar
The one end at top is fixedly connected with slide plate, and cold air is discharged to the inside of electrical cabinet by air-cooler, produced when working to electrical cabinet
High temperature cooling, improve the safety in utilization of electrical cabinet, bottom plate be fixedly connected with by the bottom of cabinet, so that in electrical cabinet
The cold air in portion is in the state of circulation, improves the rate of cooling, stabilizes the safety of electrical cabinet significantly.
But although the cam mechanism that above-mentioned ellipse is formed with slide bar can drive cold air spray head back and forth to move in the bottom of box
It is dynamic, but the reciprocating manner is not that duration radiates to electrical component in cabinet, be have it is intermittent, and in cabinet
The fever time of certain high-voltage electrical apparatus elements is instantaneous, especially switch element, so as to cause high-voltage electrical apparatus element in cabinet
Can not heat discharge process there is the problem of lagging and accumulating, and high-voltage electrical apparatus element that calorific value big fast to electrothermal calefactive rate and
Speech, this is fatal.
Summary of the invention
The purpose of the present invention is to provide the high-voltage electrical cabinets that high-voltage electrical apparatus element efficient uniform in a kind of pair of cabinet radiates
Cooling system, its technical solution is as follows:
High-voltage electrical cabinet cooling system, the multilayer electrical equipment including cabinet and its interior installation are provided with below electrical equipment
Gas distribution mechanism, gas distribution mechanism include horizontally disposed planetary gear mechanism, and the outer gear ring of planetary gear mechanism can be relative to cabinet
The cover that is located above and can breathe freely from surrounding is rotated and is fixed with, the upper end of sun gear, which is connected with to be located at, covers intracorporal blowing fan
Leaf, lower end are sequentially connected with driving motor, and planetary gear has at least three and in circumferencial direction uniformly and around hollow fixed rotating shaft
It is mounted on cabinet, the upper end of fixed rotating shaft is connected with spray head, lower end is located at the air compressor machine outside cabinet by air circuit connection.This
Invention drives the characteristics of air-supply flabellum and rotation of cover synchronous backward, planetary gear locking using planetary gear mechanism, accelerates to send
Relative rotation speed between fan leaf and cover guarantees that the cold air gone out from multi-point injection can be quick by air-supply flabellum and cover
Scatter, thus realize radiate to high-voltage electrical apparatus element efficient uniform in cabinet.
Further, air-supply flabellum includes the sleeve and its air-supply blade fixed outside for being coaxially connected in sun gear upper end,
The perforation that density gradually decreases from top to bottom is offered on the barrel of sleeve, and the upper end with sleeve is offered at the top of cover
The gas returning port that mouth communicates.
Further, up big and down small tubaeform gather qi together pipe is connected on gas returning port, the big end internal diameter of gather qi together pipe is not small
In the internal diameter of sleeve, the small end inner diameter of gather qi together pipe is not more than the internal diameter of sleeve.
Further, be provided with the relatively turnable return air flabellum being connected on sun gear in sleeve, return air flabellum with
It is connected between air-supply flabellum for promoting the relatively counter-rotational synchronous backward transmission mechanism of the two.
Further, synchronous backward transmission mechanism includes the first transmission gear and and return air connecting with air-supply flabellum
Second transmission gear of flabellum connection, the first transmission gear are successively sequentially connected with third transmission gear and the 4th transmission gear,
Second transmission gear is sequentially connected with the 5th transmission gear, and the 4th transmission gear and the 5th transmission gear are fixed on same wheel shaft
And form duplicate gear.
Further, return air flabellum includes the relatively turnable central rotating shaft being coaxially installed on sun gear, and center turns
The upper end of axis is located at the return air blade above sun gear and being connected in sleeve, and the lower end of central rotating shaft is located under sun gear
It is mounted at side and empty set in the hollow drive shaft that sun gear lower end is coaxially connected, first transmission gear is located at driving
On the periphery of shaft, second transmission gear is located at central rotating shaft lower end from the part that drive shaft is stretched out.
Further, return air blade has multilayer and son and blade cantilevered length is gradually reduced up and down.
Further, the lower end of fixed rotating shaft be connected with it is coaxial with outer gear ring and can opposite case rotation adjusting ring, adjust
The first venthole group being arranged in a one-to-one correspondence with the lower port of fixed rotating shaft is offered on section ring, only and under the fixed rotating shaft of part
The second venthole group that port communicates, adjusts to be connected with below ring and communicates with the first venthole group, the second venthole group
Gas chamber, gas chamber connects the air compressor machine.
Further, it adjusts ring and is sequentially connected with adjusting motor, the encoder via controller for adjusting motor, which is connected with, to be located at
Temperature detect switch (TDS) on wall box, temperature detect switch (TDS) have multiple and layer-by-layer distribution.
Further, the air hole that can be arranged to outlet around and diagonally downward is offered on the side wall of cover.
Detailed description of the invention
In order to illustrate the technical solution of the embodiments of the present invention more clearly, below will be to needed in the embodiment attached
Figure is briefly described, it should be apparent that, the accompanying drawings in the following description is only the embodiment of the present invention, common for this field
For technical staff, without any creative labor, it can also be obtained according to these attached drawings other attached drawings；
Fig. 1 is the structural schematic diagram of high-voltage electrical cabinet cooling system of the present invention；
Fig. 2 is the structural schematic diagram of Tu1Zhong gas distribution mechanism；
Fig. 3 is the structural schematic diagram that ring is adjusted in Fig. 2.
Specific embodiment
In order to keep technical purpose of the invention, technical scheme and beneficial effects clearer, with reference to the accompanying drawing and specifically
Embodiment is further illustrated technical solution of the present invention.
Referring to Fig. 1, the structural schematic diagram of mesohigh electrical cabinet cooling system of the present invention is shown.High-voltage electrical apparatus cabinet heat radiation system
System includes cabinet 1, is equipped with the electrical equipment 2 that multilayer laminar is fixed on bracket in cabinet 1, the bottom of cabinet 1 is provided with position
Gas distribution mechanism 3 in all layers of 2 lower section of electrical equipment, the top of cabinet 1 is provided with the row above all layers of electrical equipment 2
Gas blower 4 is fixed with the temperature detect switch (TDS) 5 being successively distributed, the connection exhaust of 5 via controller of temperature detect switch (TDS) on the surrounding side wall of cabinet 1
Blower 4 and gas distribution mechanism 3, the high/low temperature boundary position that can be measured by temperature detect switch (TDS) 5 determine that the boundary position is by controller
It is no to be such as lower than setting layer in setting layer, then it controls air exhauster 4 and accelerates ventilation velocity, gas distribution mechanism 3 increases cold air injection
Speed；Such as reach setting layer, then maintains the statusquo；Such as it is higher than setting layer, then controlling air exhauster 4 reduces ventilation velocity, cloth mechanism of qi
Structure 3 reduces cold air injection rate.
Referring to fig. 2, the structural schematic diagram of the gas distribution mechanism 3 of mesohigh electrical cabinet cooling system of the present invention is shown.The cloth
Mechanism of qi structure 3 includes horizontally disposed planetary gear mechanism, and the outer gear ring 301 of planetary gear mechanism can rotate simultaneously relative to cabinet 1
It is fixed with the cover 302 that is located above and can breathe freely from surrounding, offering on the side wall of cover 302 can be to outlet around and inclination
Down-set air hole.The upper end of sun gear 305 is connected with air-supply flabellum 303 in cover 302, lower end transmission connection
There is driving motor 304, planetary gear 306 is evenly distributed with there are three and circumferencial direction and is mounted on cabinet around hollow fixed rotating shaft 307
On 1, the upper end of fixed rotating shaft 307 is connected with spray head 308, lower end is located at the air compressor machine 309 outside cabinet 1 by air circuit connection.It send
Fan leaf 303 includes the sleeve 312 and its air-supply blade 310 fixed outside for being coaxially connected in 305 upper end of sun gear, sleeve 312
Barrel on offer the perforation that density from top to bottom gradually decreases, and offer at the top of cover 302 upper with sleeve 312
The gas returning port that port communicates.Up big and down small tubaeform gather qi together pipe 313 is connected on gas returning port, in the big end of gather qi together pipe 313
Diameter is not less than the internal diameter of sleeve 312, and the small end inner diameter of gather qi together pipe 313 is not more than the internal diameter of sleeve 312.It is provided in sleeve 312
The relatively turnable return air flabellum 314 being connected on sun gear 305 is connected between return air flabellum 314 and air-supply flabellum 303
For promoting the relatively counter-rotational synchronous backward transmission mechanism of the two.Synchronous backward transmission mechanism include and air-supply flabellum 303
First transmission gear 321 of connection and the second transmission gear 322 being connect with return air flabellum 314, the first transmission gear 321
It is successively sequentially connected with third transmission gear 323 and the 4th transmission gear 324, the second transmission gear 322 is sequentially connected with the 5th
Transmission gear 325, the 4th transmission gear 324 and the 5th transmission gear 325 are fixed on same wheel shaft and form duplicate gear.It returns
Fan leaf 314 includes the relatively turnable central rotating shaft 315 being coaxially installed on sun gear 305, the upper end of central rotating shaft 315
Above sun gear 305 and the return air blade 311 that is connected in sleeve 312, return air blade 311 have multilayer and son and on
Lower blade cantilevered length is gradually reduced.The lower end of central rotating shaft 315, which is located at 305 lower section of sun gear and empty set, is mounted on sun gear
In the hollow drive shaft 316 that 305 lower ends are coaxially connected, first transmission gear 321 is located at the periphery of drive shaft 316
On, second transmission gear 322 is located at 315 lower end of central rotating shaft from the part that drive shaft 316 is stretched out.
Preferably, the lower end of fixed rotating shaft 307 be connected with it is coaxial with outer gear ring 301 and can opposite case 1 rotate adjusting
Ring 330 adjusts ring 330 through gear drive or frictional wheel drive and is connected with adjusting motor 327.Referring to Fig. 3, show in the present invention
The structural schematic diagram of the adjusting ring 330 of high-voltage electrical cabinet cooling system.Adjust ring 330 on offer under fixed rotating shaft 307
The first venthole group 331 that port is arranged in a one-to-one correspondence, the second venthole only communicated with the lower port of part fixed rotating shaft 307
Group, the lower section for adjusting ring 330 are connected with the gas chamber of the annular communicated with the first venthole group 331, the second venthole group
326, gas chamber 326 connects the air compressor machine 309.Because the quantity of fixed rotating shaft 307 is three, so in the first venthole group 331
There are three the quantity of single hole, and for the second venthole group there are two types of form, a kind of form is corresponding with two in three fixed rotating shafts 307
Doubled via group 332, another form only single sets of vias 333 corresponding with single fixed rotating shaft 307.
It should be noted last that: technical solution of the present invention that the above embodiments are only illustrative and not limiting is any right
The equivalent replacement and do not depart from the modification of spirit and scope of the invention or locally replace that the present invention carries out, should all cover in this hair
Within bright protective scope of the claims.
Claims (10)
1. high-voltage electrical cabinet cooling system, the multilayer electrical equipment including cabinet and its interior installation, the lower section setting of electrical equipment
There is gas distribution mechanism, which is characterized in that gas distribution mechanism includes horizontally disposed planetary gear mechanism, the outer gear ring of planetary gear mechanism
Relative to body pivot and it can be fixed with the cover that is located above and can breathe freely from surrounding, the upper end of sun gear, which is connected with, is located at cover
Intracorporal air-supply flabellum, lower end are sequentially connected with driving motor, and planetary gear has at least three and in circumferencial direction uniformly and in
Empty fixed rotating shaft is mounted on cabinet, and the upper end of fixed rotating shaft is connected with spray head, lower end is located at outside cabinet by air circuit connection
Air compressor machine.
2. high-voltage electrical cabinet cooling system according to claim 1, which is characterized in that air-supply flabellum includes coaxially being connected in
The sleeve of sun gear upper end and its air-supply blade fixed outside offer what density from top to bottom gradually decreased on the barrel of sleeve
Perforation, and the gas returning port communicated with the upper port of sleeve is offered at the top of cover.
3. high-voltage electrical cabinet cooling system according to claim 2, which is characterized in that be connected on gas returning port up big and down small
Tubaeform gather qi together pipe, the big end internal diameter of gather qi together pipe is not less than the internal diameter of sleeve, and the small end inner diameter of gather qi together pipe is not more than sleeve
Internal diameter.
4. high-voltage electrical cabinet cooling system according to claim 2, which is characterized in that being provided in sleeve can relatively rotate
The return air flabellum being connected on sun gear, be connected between return air flabellum and air-supply flabellum for both promoting relatively reversed turn
Dynamic synchronous backward transmission mechanism.
5. high-voltage electrical cabinet cooling system according to claim 4, which is characterized in that synchronous backward transmission mechanism include with
First transmission gear of air-supply flabellum connection and the second transmission gear connecting with return air flabellum, the first transmission gear is successively
It is sequentially connected with third transmission gear and the 4th transmission gear, the second transmission gear is sequentially connected with the 5th transmission gear, and the 4th
Transmission gear and the 5th transmission gear are fixed on same wheel shaft and form duplicate gear.
6. high-voltage electrical cabinet cooling system according to claim 5, which is characterized in that return air flabellum includes that can relatively rotate
Be coaxially installed on central rotating shaft on sun gear, the upper end of central rotating shaft is located at sun gear top and is connected in sleeve
Return air blade, the lower end of central rotating shaft is located at below sun gear and that sun gear lower end is mounted at empty set is coaxially connected hollow
Drive shaft in, first transmission gear is located on the periphery of drive shaft, second transmission gear positioned at center turn
Axis lower end is from the part that drive shaft is stretched out.
7. high-voltage electrical cabinet cooling system according to claim 6, which is characterized in that return air blade have multilayer and son and on
Lower blade cantilevered length is gradually reduced.
8. high-voltage electrical cabinet cooling system as claimed in any of claims 1 to 7, which is characterized in that fixed rotating shaft
Lower end be connected with it is coaxial with outer gear ring and can opposite case rotation adjusting ring, adjust ring on offer under fixed rotating shaft
The first venthole group that port is arranged in a one-to-one correspondence, the second venthole group only communicated with the lower port of part fixed rotating shaft, are adjusted
The gas chamber communicated with the first venthole group, the second venthole group is connected with below section ring, gas chamber connects the air compressor machine.
9. high-voltage electrical cabinet cooling system according to claim 7, which is characterized in that adjust ring and be sequentially connected with adjusting electricity
Machine, the encoder via controller for adjusting motor are connected with the temperature detect switch (TDS) on wall box, temperature detect switch (TDS) have it is multiple and by
Layer distribution.
10. high-voltage electrical cabinet cooling system as claimed in any of claims 1 to 6, which is characterized in that the side of cover
The air hole that can be arranged to outlet around and diagonally downward is offered on wall.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910303278.9A CN109936071B (en) | 2019-04-16 | 2019-04-16 | High-voltage electrical cabinet heat dissipation system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910303278.9A CN109936071B (en) | 2019-04-16 | 2019-04-16 | High-voltage electrical cabinet heat dissipation system |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109936071A true CN109936071A (en) | 2019-06-25 |
| CN109936071B CN109936071B (en) | 2020-12-11 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201910303278.9A Expired - Fee Related CN109936071B (en) | 2019-04-16 | 2019-04-16 | High-voltage electrical cabinet heat dissipation system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113507059A (en) * | 2021-05-25 | 2021-10-15 | 泉州七星电气有限公司 | Environment-friendly high-voltage ring main unit |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US9677659B1 (en) * | 2016-01-28 | 2017-06-13 | General Electric Company | Gearbox planet attenuation spring damper |
| CN107690995A (en) * | 2017-11-22 | 2018-02-16 | 邛崃驰阳农牧科技有限公司 | A kind of pig feed feed cutter device |
| CN108306201A (en) * | 2018-03-01 | 2018-07-20 | 杭州启澄科技有限公司 | A kind of high-voltage electrical cabinet of high efficiency and heat radiation |
-
2019
- 2019-04-16 CN CN201910303278.9A patent/CN109936071B/en not_active Expired - Fee Related
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US9677659B1 (en) * | 2016-01-28 | 2017-06-13 | General Electric Company | Gearbox planet attenuation spring damper |
| CN107690995A (en) * | 2017-11-22 | 2018-02-16 | 邛崃驰阳农牧科技有限公司 | A kind of pig feed feed cutter device |
| CN108306201A (en) * | 2018-03-01 | 2018-07-20 | 杭州启澄科技有限公司 | A kind of high-voltage electrical cabinet of high efficiency and heat radiation |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113507059A (en) * | 2021-05-25 | 2021-10-15 | 泉州七星电气有限公司 | Environment-friendly high-voltage ring main unit |
| CN113507059B (en) * | 2021-05-25 | 2023-05-12 | 泉州七星电气有限公司 | Environment-friendly high-voltage ring main unit |
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| Publication number | Publication date |
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| CN109936071B (en) | 2020-12-11 |
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