CN108649469A - It is a kind of that there is waterproof, the outdoor electric cabinet of cooling function - Google Patents
It is a kind of that there is waterproof, the outdoor electric cabinet of cooling function Download PDFInfo
- Publication number
- CN108649469A CN108649469A CN201810758051.9A CN201810758051A CN108649469A CN 108649469 A CN108649469 A CN 108649469A CN 201810758051 A CN201810758051 A CN 201810758051A CN 108649469 A CN108649469 A CN 108649469A
- Authority
- CN
- China
- Prior art keywords
- cabinet
- copper contact
- contact blade
- wall
- waterproof
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 238000001816 cooling Methods 0.000 title claims abstract description 20
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims abstract description 65
- 239000010949 copper Substances 0.000 claims abstract description 65
- 229910052802 copper Inorganic materials 0.000 claims abstract description 65
- 241000883990 Flabellum Species 0.000 claims abstract description 23
- 235000013312 flour Nutrition 0.000 claims abstract description 18
- GUJOJGAPFQRJSV-UHFFFAOYSA-N dialuminum;dioxosilane;oxygen(2-);hydrate Chemical compound O.[O-2].[O-2].[O-2].[Al+3].[Al+3].O=[Si]=O.O=[Si]=O.O=[Si]=O.O=[Si]=O GUJOJGAPFQRJSV-UHFFFAOYSA-N 0.000 claims abstract description 17
- 229910052901 montmorillonite Inorganic materials 0.000 claims abstract description 17
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 32
- 229910052742 iron Inorganic materials 0.000 claims description 16
- 206010055001 Hypodontia Diseases 0.000 claims description 9
- 206010002583 anodontia Diseases 0.000 claims description 9
- 230000005213 hypodontia Effects 0.000 claims description 9
- 201000006680 tooth agenesis Diseases 0.000 claims description 9
- 230000000694 effects Effects 0.000 claims description 8
- 239000007858 starting material Substances 0.000 claims description 8
- 238000007789 sealing Methods 0.000 claims description 7
- 239000007787 solid Substances 0.000 claims 1
- 238000010438 heat treatment Methods 0.000 abstract description 3
- 229910000906 Bronze Inorganic materials 0.000 description 4
- 239000010974 bronze Substances 0.000 description 4
- KUNSUQLRTQLHQQ-UHFFFAOYSA-N copper tin Chemical compound [Cu].[Sn] KUNSUQLRTQLHQQ-UHFFFAOYSA-N 0.000 description 4
- 238000010586 diagram Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 241001274961 Rubus repens Species 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000003139 buffering effect Effects 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 238000001704 evaporation Methods 0.000 description 1
- 230000008020 evaporation Effects 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
Classifications
-
- 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
-
- 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
-
- 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
- H02B1/30—Cabinet-type casings; Parts thereof or accessories therefor
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
Abstract
The invention discloses one kind having waterproof, the outdoor electric cabinet of cooling function, this one kind having waterproof, the outdoor electric cabinet of cooling function is simple in structure, when outside air temperature is excessively high, power equipment heat is excessive, air bag expanded by heating, the second copper contact blade will be pushed, contact the first copper contact blade, to connect the circuit of clockwise and anticlockwise motor, flabellum is set to rotate, outside air is sucked in cabinet, cool down to power equipment, when wetness is excessive in cabinet, montmorillonite flour bag absorbs vapor expansion at this time, third copper contact blade is set to contradict the first copper contact blade, clockwise and anticlockwise motor rotates backward, vapor in cabinet is blown out, the waterproof of cabinet is realized by a series of measure, cooling function, with very strong practicability.
Description
Technical field
The present invention relates to power domains, specially a kind of to have waterproof, the outdoor electric cabinet of cooling function.
Background technology
Outdoor electric cabinet is a kind of power equipment placed outdoors, due to being frequently encountered bad weather (example outdoors
Such as high temperature, humidity and dew), if processing not in time may result in electric power cabinet damage or reduce the use longevity of electric power cabinet
Life, for this purpose, it is proposed that a kind of having waterproof, the outdoor electric cabinet of cooling function.
Invention content
There is waterproof, the outdoor electric cabinet of cooling function the purpose of the present invention is to provide a kind of, to solve above-mentioned background
The problem of being proposed in technology.
To achieve the above object, the present invention provides the following technical solutions:
It is a kind of that there is waterproof, the outdoor electric cabinet of cooling function, including cabinet, power equipment and it is connected to power equipment side
Heat-conducting plate on wall;
It is connected with starter on the side wall of the heat-conducting plate;
The starter includes sleeve, the first copper contact blade, the second copper contact blade, air bag, third copper contact blade, montmorillonite flour bag
And ventilated net, sleeve are open at both ends structure, are connected with air bag in the sleeve inner bottom wall, one end lateral wall of the air bag supports
Heat-conducting plate is touched, the other end lateral wall of the air bag is connected with the second copper contact blade by multiple first springs, and second bronze medal touches
Piece is slidably connected on the inner wall of sleeve, and the first bronze medal corresponding with the second copper contact blade is connected among the inner bottom wall of the sleeve
Contact offers first through hole in the middle part of first copper contact blade, and activity is plugged with quarter butt in first through hole, and the quarter butt connects
It is connected on one end side wall of third copper contact blade corresponding with the first copper contact blade, the third copper contact blade is slidably connected at sleeve
On inner wall, the other end of the third copper contact blade contradicts one end of montmorillonite flour bag, and the montmorillonite flour bag is connected to sleeve
In inner bottom wall, the other end of the montmorillonite flour bag contradicts ventilated net, and the ventilated net is connected on the inner wall of sleeve;
Annular rack is connected in the inner bottom wall of the cabinet, be connected on the madial wall of the annular rack two it is parallel
Teeth, the teeth engage hypodontia wheel, and the hypodontia wheel is connected in the shaft of clockwise and anticlockwise motor, and the clockwise and anticlockwise motor is logical
It crosses holder to be connected on connecting plate, the lower end of the connecting plate is connected to the upper end of telescopic rod, the lower end connection of the telescopic rod
In the inner bottom wall of cabinet, fixing sleeve is connected to first pulley in the shaft of the clockwise and anticlockwise motor, and the first pulley passes through skin
Band connection has the second belt wheel, the center of second belt wheel to be plugged with mandrel, and the mandrel activity runs through the one end of flabellum shell
Wall is simultaneously rotatably connected on flabellum shell other end madial wall, is socketed with flabellum on one section that the mandrel is located in flabellum shell, institute
The lateral wall for stating flabellum shell is connected on connecting plate, and it is logical that corresponding with flabellum second is offered on the side wall of the connecting plate
Hole, and perforation is connected with one end of hose on the side wall of the second through-hole, the other end of the hose penetrates through on connecting cabinet body sidewall
The third through-hole opened up, and one end perforation of the third through-hole far from hose is connected with connecting tube, the connecting tube is penetrated through with extraneous,
It is connected with cold plate on the madial wall of the connecting tube, and offers multiple fourth holes on cold plate, the cabinet is far from even
Multiple strip through-holes are offered on one end side wall taken over, and are connected on the madial wall of the cabinet corresponding with strip through-hole
Dry net.
Preferably, the cabinet, which is located on one section of madial wall above dry net, is connected with electromagnet, the electromagnet
Lower end contradicts iron block, and the iron block is slidably connected at by sliding block in the bar shaped sliding slot opened up on cabinet madial wall, the sliding block
Lower end be connected with second spring, the lower end of the iron block is connected with sealing plate.
Preferably, it is socketed rubber sleeve on the iron block.
Preferably, the lower end of the cabinet is connected with shockproof fixed frame.
Preferably, the annular rack is arranged in parallel with connecting plate.
Preferably, the connecting tube is arc-shaped structure, and the opening of connecting tube is towards ground.
Preferably, the quarter butt is in arc-shaped close to one end of the second copper contact blade.
Preferably, third spring is socketed on the telescopic rod, one end of third spring is fixedly connected on connecting plate, the
The other end of three springs is fixedly connected on the lateral wall of telescopic rod.
Compared with prior art, the beneficial effects of the invention are as follows:
This is a kind of with waterproof, the outdoor electric cabinet of cooling function:
1, when outside air temperature is excessively high, power equipment heat is excessive, air bag expanded by heating, will push the second copper contact blade, contact
First copper contact blade makes flabellum rotate to connect the circuit of clockwise and anticlockwise motor, and outside air is sucked in cabinet, is set to electric power
It is standby to cool down;
2, when wetness is excessive in cabinet, montmorillonite flour bag absorbs vapor expansion at this time, and third copper contact blade is made to contradict
First copper contact blade, clockwise and anticlockwise motor rotate backward, and vapor in cabinet are blown out, to play waterproof action.
Description of the drawings
Fig. 1 is schematic structural view of the invention;
Fig. 2 is starter structure enlargement diagram;
Fig. 3 is circuit diagram of the present invention.
In figure:Cabinet 1, power equipment 2, heat-conducting plate 3, starter 4, sleeve 401, the first copper contact blade 402, the second bronze medal touch
Piece 403, air bag 404, third copper contact blade 405, montmorillonite flour bag 406, ventilated net 407, annular rack 5, hypodontia wheel 6, positive and negative rotation
Motor 7, connecting plate 8, telescopic rod 9, belt 10, flabellum 11, hose 12, connecting tube 13, cold plate 14, dry net 15, electromagnet
16, iron block 17, sealing plate 18.
Specific implementation mode
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation describes, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
- 3 are please referred to Fig.1, the present invention provides a kind of technical solution:
It is a kind of that there is waterproof, the outdoor electric cabinet of cooling function, including cabinet 1, power equipment 2 and it is connected to power equipment
The lower end of heat-conducting plate 3 on 2 side walls, cabinet 1 is connected with shockproof fixed frame, plays shockproof effect;
Starter 4 is connected on the side wall of heat-conducting plate 3;
Starter 4 includes sleeve 401, the first copper contact blade 402, the second copper contact blade 403, air bag 404, third copper contact blade
405, montmorillonite flour bag 406 and ventilated net 407, sleeve 401 are open at both ends structure, and air bag is connected in 401 inner bottom wall of sleeve
404, one end lateral wall of air bag 404 contradicts heat-conducting plate 3, and the other end lateral wall of air bag 404 is connected by multiple first springs
There are the second copper contact blade 403, the second copper contact blade 403 to be slidably connected on the inner wall of sleeve 401, connect among the inner bottom wall of sleeve 401
It is connected to first copper contact blade corresponding with the second copper contact blade 403 402, the middle part of the first copper contact blade 402 offers first through hole, and
Activity is plugged with quarter butt in first through hole, and quarter butt is in arc-shaped close to one end of the second copper contact blade 403, prevents the second bronze medal of damage from touching
Piece 403, quarter butt are connected on one end side wall of third copper contact blade corresponding with the first copper contact blade 402 405, third copper contact blade
405 are slidably connected on the inner wall of sleeve 401, and the other end of third copper contact blade 405 contradicts one end of montmorillonite flour bag 406, cover
De- mountain flour bag 406 is connected in the inner bottom wall of sleeve 401, and the other end of montmorillonite flour bag 406 contradicts ventilated net 407, ventilated net
407 are connected on the inner wall of sleeve 401;
It is connected with annular rack 5 in the inner bottom wall of cabinet 1, two parallel teeth are connected on the madial wall of annular rack 5
Tooth, teeth engage hypodontia wheel 6, and hypodontia wheel 6 is connected in the shaft of clockwise and anticlockwise motor 7, and clockwise and anticlockwise motor 7 is connected to by holder
On connecting plate 8, annular rack 5 is arranged in parallel with connecting plate 8, and the lower end of connecting plate 8 is connected to the upper end of telescopic rod 9, telescopic rod 9
On be socketed with third spring, one end of third spring is fixedly connected on connecting plate 8, and the other end of third spring is fixedly connected on
On the lateral wall of telescopic rod 9, after motor 7 powers off, spring can play the role of connecting plate 8 buffering, the lower end of telescopic rod 9
It is connected in the inner bottom wall of cabinet 1, fixing sleeve is connected to first pulley in the shaft of clockwise and anticlockwise motor 7, and first pulley passes through belt
10 are connected with the second belt wheel, and the center of the second belt wheel is plugged with mandrel, and mandrel activity runs through one end side wall of flabellum shell and rotates
It is connected on flabellum shell other end madial wall, flabellum 11, the outside of flabellum shell is socketed on one section that mandrel is located in flabellum shell
Wall is connected on connecting plate 8, offers second through-hole corresponding with flabellum 11 on the side wall of connecting plate 8, and the second through-hole
Perforation is connected with one end of hose 12 on side wall, and the other end perforation of hose 12 connects the third through-hole opened up on 1 side wall of cabinet,
And one end perforation of the third through-hole far from hose 12 is connected with connecting tube 13, connecting tube 13 is arc-shaped structure, and connecting tube 13
Opening towards ground, prevent rainwater from entering in connecting tube 13, connecting tube 13 is penetrated through with extraneous, is connected on the madial wall of connecting tube 13
It is connected to cold plate 14, and offers multiple fourth holes on cold plate 14, cabinet 1 opens up on one end side wall far from connecting tube 13
There are multiple strip through-holes, dry net 15 corresponding with strip through-hole is connected on the madial wall of cabinet 1, cabinet 1 is located at drying
Electromagnet 16 is connected on one section of madial wall of 15 top of net, the lower end of electromagnet 16 contradicts iron block 17, is socketed on iron block 17
On the one hand rubber sleeve prevents from causing to damage with the collision of electromagnet 16, on the other hand can prevent from corroding, iron block 17 is slided by sliding block
Dynamic to be connected in the bar shaped sliding slot opened up on 1 madial wall of cabinet, the lower end of sliding block is connected with second spring, and the lower end of iron block 17 connects
It is connected to sealing plate 18, sealing, the first copper contact blade 402, the second copper contact blade 403, clockwise and anticlockwise motor 7 and electromagnetism can be played the role of
Iron 16 forms a series circuit, the first copper contact blade 402, third copper contact blade 405, clockwise and anticlockwise motor by conducting wire and external power supply
7 and electromagnet 16 pass through conducting wire and external power supply and form a series circuit.
Operation principle:When outside air temperature is excessively high, lead to power equipment 2 when the temperature is excessively high, the heat of power equipment 2 is by leading
Hot plate 3 discharges, while the heat transfer of heat-conducting plate 3, to air bag 404,404 expanded by heating of air bag will be pushed away by the first spring
Dynamic second copper contact blade 403, makes the second copper contact blade 403 contact the first copper contact blade 402, to connect the circuit of clockwise and anticlockwise motor 7, together
When 16 energizing magnetic of electromagnet attract iron block 17, keep sealing plate 18 upward, cabinet 1 is passed through by strip through-hole and the external world at this time
Logical, clockwise and anticlockwise motor 7 rotates clockwise, and the first pulley on one side clockwise and anticlockwise motor 7 drives second to drive by belt 10
Rotation makes flabellum 11 rotate, and outside air is sucked in cabinet 1, on the other hand hypodontia wheel 6 is driven to rotate, 6 engagement ring of hypodontia wheel
Shape rack 5, to make clockwise and anticlockwise motor 7 that connecting plate 8 be driven to move up and down, to make flabellum 11 move up and down preferably to electric power
Equipment 2 cools down, and the vapor in outside air, which encounters cold plate 14, will condense into droplet, enters to reduce vapor
In cabinet 1, while it can also reduce the temperature of air so that cooling-down effect is more preferable;
When wetness is excessive in cabinet 1, montmorillonite flour bag 406 will absorb vapor and start to expand at this time, make third
Copper contact blade 405 contradicts the first copper contact blade 402, while the quarter butt on third copper contact blade 405 pushes the second copper contact blade 403 open, prevents the
Two copper contact blades 403 and third copper contact blade 405 contact the first copper contact blade 402 simultaneously causes short circuit, third copper contact blade 405 to contact
First copper contact blade 402, at this time clockwise and anticlockwise motor 7 rotate backward, vapor in cabinet 1 is blown out, while outside air is from cabinet 1
The strip through-hole of the other end enters cabinet 1, and dry net 15 can filter out the vapor in air at this time, prevents vapor again
Into in cabinet 1, after a period of time, after montmorillonite flour bag 406 absorbs the heat that power equipment 2 discharges, montmorillonite flour bag
Moisture evaporation in 406 makes third copper contact blade 405 be detached from the first copper contact blade 402, to disconnect clockwise and anticlockwise motor 7 to shrink
Circuit;
When temperature is not high while when wetness is little in cabinet 1,16 no power of electromagnet, electromagnet 16 lose magnetic at this time
Property, iron block 17 drives sealing plate 18 to move down under gravity, and to seal strip through-hole, power equipment 2 produces at this time
Raw heat generates heat by the side wall of cabinet 1, prevents in summer excessive temperature differentials, forms dewdrop, damages the outer wall of cabinet 1, passes through
The waterproof of cabinet 1, cooling function are realized in a series of measure, have very strong practicability.
It although an embodiment of the present invention has been shown and described, for the ordinary skill in the art, can be with
Understanding without departing from the principles and spirit of the present invention can carry out these embodiments a variety of variations, modification, replace
And modification, the scope of the present invention is defined by the appended.
Claims (8)
1. there is waterproof, the outdoor electric cabinet of cooling function a kind of, including cabinet (1), power equipment (2) and be connected to electric power and set
Heat-conducting plate (3) on standby (2) side wall;
It is characterized in that:It is connected with starter (4) on the side wall of the heat-conducting plate (3);
The starter (4) includes sleeve (401), the first copper contact blade (402), the second copper contact blade (403), air bag (404),
Three copper contact blades (405), montmorillonite flour bag (406) and ventilated net (407), sleeve (401) are open at both ends structure, the sleeve
(401) air bag (404) is connected in inner bottom wall, one end lateral wall of the air bag (404) contradicts heat-conducting plate (3), the air bag
(404) other end lateral wall is connected with the second copper contact blade (403), second copper contact blade (403) by multiple first springs
It is slidably connected on the inner wall of sleeve (401), is connected among the inner bottom wall of the sleeve (401) and the second copper contact blade (403)
Corresponding first copper contact blade (402) offers first through hole in the middle part of first copper contact blade (402), and in first through hole
Activity is plugged with quarter butt, and the quarter butt is connected to the one end of third copper contact blade (405) corresponding with the first copper contact blade (402)
On wall, the third copper contact blade (405) is slidably connected on the inner wall of sleeve (401), the third copper contact blade (405) it is another
End contradicts one end of montmorillonite flour bag (406), and the montmorillonite flour bag (406) is connected in the inner bottom wall of sleeve (401), described
The other end of montmorillonite flour bag (406) contradicts ventilated net (407), and the ventilated net (407) is connected to the inner wall of sleeve (401)
On;
It is connected with annular rack (5) in the inner bottom wall of the cabinet (1), two are connected on the madial wall of the annular rack (5)
The parallel teeth of item, the teeth engagement hypodontia wheel (6), the hypodontia wheel (6) are connected in the shaft of clockwise and anticlockwise motor (7),
The clockwise and anticlockwise motor (7) is connected to by holder on connecting plate (8), and the lower end of the connecting plate (8) is connected to telescopic rod (9)
Upper end, the lower end of the telescopic rod (9) is connected in the inner bottom wall of cabinet (1), solid in the shaft of the clockwise and anticlockwise motor (7)
Surely it is socketed with first pulley, the first pulley is connected with the second belt wheel by belt (10), and the center of second belt wheel is inserted
It is connected to mandrel, the mandrel activity runs through one end side wall of flabellum shell and is rotatably connected on flabellum shell other end madial wall, institute
It states and is socketed with flabellum (11) on one section that mandrel is located in flabellum shell, the lateral wall of the flabellum shell is connected on connecting plate (8),
The second through-hole corresponding with flabellum (11) is offered on the side wall of the connecting plate (8), and is penetrated through on the side wall of the second through-hole
It is connected with one end of hose (12), the other end perforation of the hose (12) connects the third through-hole opened up on cabinet (1) side wall,
And one end perforation of the third through-hole far from hose (12) is connected with connecting tube (13), the connecting tube (13) penetrates through with extraneous, institute
It states and is connected with cold plate (14) on the madial wall of connecting tube (13), and multiple fourth holes are offered on cold plate (14), it is described
Cabinet (1) offers multiple strip through-holes on one end side wall far from connecting tube (13), is connected on the madial wall of the cabinet (1)
There is dry net (15) corresponding with strip through-hole.
2. according to claim 1 a kind of with waterproof, the outdoor electric cabinet of cooling function, it is characterised in that:The cabinet
Body (1), which is located on one section of madial wall above dry net (15), is connected with electromagnet (16), and the lower end of the electromagnet (16) is supported
Iron block (17) is touched, the iron block (17) is slidably connected at by sliding block in the bar shaped sliding slot opened up on cabinet (1) madial wall, described
The lower end of sliding block is connected with second spring, and the lower end of the iron block (17) is connected with sealing plate (18).
3. according to claim 2 a kind of with waterproof, the outdoor electric cabinet of cooling function, it is characterised in that:The iron
Block is socketed rubber sleeve on (17).
4. according to claim 1 a kind of with waterproof, the outdoor electric cabinet of cooling function, it is characterised in that:The cabinet
The lower end of body (1) is connected with shockproof fixed frame.
5. according to claim 1 a kind of with waterproof, the outdoor electric cabinet of cooling function, it is characterised in that:The ring
Shape rack (5) is arranged in parallel with connecting plate (8).
6. according to claim 1 a kind of with waterproof, the outdoor electric cabinet of cooling function, it is characterised in that:The company
It is arc-shaped structure to take over (13), and the opening of connecting tube (13) is towards ground.
7. according to claim 1 a kind of with waterproof, the outdoor electric cabinet of cooling function, it is characterised in that:It is described short
Bar is in arc-shaped close to one end of the second copper contact blade (403).
8. according to claim 1 a kind of with waterproof, the outdoor electric cabinet of cooling function, it is characterised in that:It is described to stretch
Third spring is socketed on contracting bar (9), one end of third spring is fixedly connected on connecting plate (8), the other end of third spring
It is fixedly connected on the lateral wall of telescopic rod (9).
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN201810758051.9A CN108649469A (en) | 2018-07-11 | 2018-07-11 | It is a kind of that there is waterproof, the outdoor electric cabinet of cooling function |
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CN201810758051.9A CN108649469A (en) | 2018-07-11 | 2018-07-11 | It is a kind of that there is waterproof, the outdoor electric cabinet of cooling function |
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Family
ID=63750882
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CN201810758051.9A Pending CN108649469A (en) | 2018-07-11 | 2018-07-11 | It is a kind of that there is waterproof, the outdoor electric cabinet of cooling function |
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CN107824561A (en) * | 2017-11-26 | 2018-03-23 | 张柏晖 | A kind of environmentally friendly cleaning plant for blackboard eraser chalk dust |
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