CN110011198A - A kind of electric power box with waterflooding closed cavity function - Google Patents
A kind of electric power box with waterflooding closed cavity function Download PDFInfo
- Publication number
- CN110011198A CN110011198A CN201910153831.5A CN201910153831A CN110011198A CN 110011198 A CN110011198 A CN 110011198A CN 201910153831 A CN201910153831 A CN 201910153831A CN 110011198 A CN110011198 A CN 110011198A
- Authority
- CN
- China
- Prior art keywords
- electric power
- power box
- floating block
- main body
- cavity
- 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.)
- Granted
Links
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 68
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 claims abstract description 25
- 238000012423 maintenance Methods 0.000 claims abstract description 21
- 239000011521 glass Substances 0.000 claims abstract description 15
- QSHDDOUJBYECFT-UHFFFAOYSA-N mercury Chemical compound [Hg] QSHDDOUJBYECFT-UHFFFAOYSA-N 0.000 claims abstract description 15
- 229910052753 mercury Inorganic materials 0.000 claims abstract description 15
- 230000005611 electricity Effects 0.000 claims abstract description 6
- 238000003780 insertion Methods 0.000 claims description 41
- 230000037431 insertion Effects 0.000 claims description 41
- 239000004589 rubber sealant Substances 0.000 claims description 16
- 238000007789 sealing Methods 0.000 claims description 9
- 238000012876 topography Methods 0.000 description 4
- 238000005336 cracking Methods 0.000 description 2
- 230000007812 deficiency Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000003292 glue Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000001556 precipitation Methods 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 238000009991 scouring Methods 0.000 description 1
- 239000000565 sealant Substances 0.000 description 1
- 238000003466 welding 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
- H02B1/26—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
- H02B1/46—Boxes; Parts thereof or accessories therefor
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Casings For Electric Apparatus (AREA)
- Connector Housings Or Holding Contact Members (AREA)
Abstract
The present invention provides a kind of electric power box with waterflooding closed cavity function, its structure includes closed roof, electric power box main body, threaded hole, fixed pedestal, repair door switch, connects hinge, maintenance door, closed roof lower end is welded on the upside of electric power box main body, closed roof is set to above fixed pedestal, threaded hole is integrated with fixed pedestal, it can be in waterflooding, so that floating block mechanism is floated upwards due to buoyancy, it drives water bar mechanism to move up to close the heat release hole on electric power box main body, prevent water from flowing into inside electric power box, when electric power box is submerged completely, it is climbed up on top of the water by the small floating block in floating block mechanism and reflection red light line is carried out by the glass plate and mercury layer of top, preventing water from entering inside electric power box leads to short-circuit electricity, prevent water flow conduction from causing to pass by personnel's electric shock, and electric power box can be positioned and flooded Position not, so that power worker's discovery in time is handled.
Description
Technical field
The present invention is a kind of electric power box with waterflooding closed cavity function, belongs to electric power box technical field.
Background technique
The tropical rainy climate of region of the equator, due to tropical rainy climate, rainy season when, is rainy, and prolonged precipitation is led
It causes topography lower in region of the equator to occur waterflooding problem often, the electric power box for being installed on the topography lower is caused to be easy from thermovent
Leak enters inside.
Based on foregoing description, the inventors discovered that, a kind of existing electric power box with waterflooding closed cavity function is mainly deposited
In following deficiency, such as:
When waterflooding, the electric power box for being installed on topography lower is easy to intake from the thermovent of electric power box, leads to short circuit, electricity passes through
Water conduction be easy to cause the danger for passing by personnel's electric shock.
Summary of the invention
(1) the technical issues of solving
In view of the deficiencies of the prior art, the present invention provides a kind of electric power boxes with waterflooding closed cavity function, solve
When waterflooding, the electric power box for being installed on topography lower is easy to intake from the thermovent of electric power box, leads to short circuit, and electricity is led by water flow
It is logical, it be easy to cause the dangerous problem for passing by personnel's electric shock.
(2) technical solution
In order to achieve the above object, the present invention is achieved by the following technical programs: one kind having waterflooding closed cavity function
Can electric power box, structure include closed roof, electric power box main body, threaded hole, fixed pedestal, maintenance door switch, connects hinge,
Maintenance door, the closed roof lower end are welded on the upside of electric power box main body, and the closed roof is set to above fixed pedestal, described
Threaded hole is integrated with fixed pedestal, and the quantity of the threaded hole is four, on the downside of the electric power box main body and fixed
It is mutually welded on the upside of pedestal, the maintenance door switch insertion is installed in maintenance door, and the maintenance door and electric power box main body pass through company
Hinge is connect to be connected, the quantity of the maintenance door is two, the fixed pedestal be it is horizontal positioned, the closed roof top is
Tapered, the electric power box main body is cuboid-type, and the electric power box main body includes heat release hole, cavity, connecting rod shifting chute, floating block machine
Structure, connecting rod, insertion groove mechanism, water bar mechanism, spring, the heat release hole is through on cavity, the connecting rod shifting chute
It is integrated with cavity, is connected on the right side of the floating block mechanism with connecting rod left end, the connecting rod right end and waterproof are kept off
Trigger structure mutually welds, and the heat release hole is set to above connecting rod shifting chute, and insertion groove mechanism rear side is fixedly welded on cavity,
The water bar mechanism is installed on cavity, and the spring is installed between water bar mechanism and cavity, the connecting rod
It fits on the inside of outside and connecting rod shifting chute, the quantity of the spring is two, the cavity downside and phase on the upside of fixed pedestal
Welding, the cavity upside and closed roof downside are mutually welded.
Preferably, the floating block mechanism includes glass plate, mercury layer, small floating block, big floating block, connecting rope, the glass plate
It is connected on the upside of downside and mercury layer, is fixedly installed on small floating block on the downside of the mercury layer, the connecting rope lower end is floated with big
Block is connected, and is connected on the downside of the connecting rope upper end and small floating block, the quantity of the glass plate is five, and the big floating block is
One groove is arranged at cuboid and top, and the connecting rope, which has, is connected and fixed small floating block and big floating block relative position, the small floating block
Meeting water has buoyancy.
Preferably, the water bar mechanism includes water bar, rubber sealant, limit sliding chutes, sliding slot, draw runner, institute
It states rubber sealant insertion to be installed on the downside of water bar, fit on the upside of the water bar with limit sliding chutes inside, it is described
It fits on the inside of sliding slot with draw runner outside, is mutually welded on the downside of the draw runner upper end and water bar, the limit sliding chutes are set to rubber
Above glue sealant, the quantity of the draw runner is two, is fitted on the downside of the rubber sealant with electric power box main body inside, institute
It states limit sliding chutes lower end to be welded on the inside of electric power box main body, the sliding slot is integrated with electric power box main body, the draw runner
Section is T-type structure, and the limit sliding chutes have the function of limit slippage, and the rubber sealant is rubber layer, can be preferably
Fitting.
Preferably, the insertion groove mechanism includes insertion vallecular cavity, is inserted into slot, sealing ring, the insertion vallecular cavity and insertion
Slot is integrated, and is fixedly installed in the intracavitary side of insertion groove on the outside of the sealing ring, the insertion vallecular cavity lower end is welded in
On the inside of electric power box main body, the trend that the insertion slot has limitation mobile, the sealing ring makes better tightness.
(3)Beneficial effect
When electric power box is installed and used in region of the equator, when rainy season, rained for a long time so that flow of water goes up at this, when increasing to
Contact floating block mechanism so that floating block mechanism due to buoyancy as the flow of water moves up, by connecting rod drive water bar it is upward
It is mobile, so that the draw runner on water bar is moved up along sliding slot, top heat release hole is sheltered from, prevents water from entering inside,
Wherein limit sliding chutes overcome the power for preventing water bar from squeezing inwardly, rubber sealant to be bonded with inside cavities it is tighter,
When the flow of water constantly goes up, when so that floating block mechanism being moved to restriction site, the insertion of water bar upper end is stuck in insertion vallecular cavity
Inside, after then floating block mechanism covers entirety due to the flow of water, small floating block in floating block mechanism is since the buoyancy of water is to floating to water
Face is marked by connecting rope and is positioned with big floating block, combined by the glass plate on small floating block with mercury layer reflect it is red
Coloured light line allows the cracking positioning of power worker after clearing up to find electric power box position, is handled in time
Can in waterflooding, so that floating block mechanism is since buoyancy floats upwards, drive water bar mechanism move up by
Heat release hole on electric power box main body is closed, and prevents water from flowing into inside electric power box, when electric power box is submerged completely, by floating
Small floating block in block mechanism, which climbs up on top of the water, carries out reflection red light line by the glass plate and mercury layer of top, prevents water from entering electricity
Lead to short-circuit electricity inside power case, prevent water flow conduction from causing to pass by personnel's electric shock, and the position that electric power box is submerged can be positioned,
So that power worker's discovery in time is handled.
Detailed description of the invention
Fig. 1 is a kind of structural schematic diagram of the electric power box with waterflooding closed cavity function of the present invention；
Fig. 2 is electric power box main body schematic cross-sectional view of the present invention；
Fig. 3 is electric power box main body schematic side view of the present invention；
Fig. 4 is water bar mechanism of the present invention schematic cross-sectional view；
Fig. 5 is floating block mechanism of the present invention schematic cross-sectional view；
Fig. 6 is present invention insertion groove mechanism elevational schematic view.
In figure: closed roof -1, electric power box main body -2, threaded hole -3, fixed pedestal -4, maintenance door switch -5, connecting hinge
Chain -6, maintenance door -7, heat release hole -21, cavity -22, connecting rod shifting chute -23, floating block mechanism -24, connecting rod -25, insertion scouring machine
Structure -26, spring -28, glass plate -241, mercury layer -242, small floating block -243, big floating block -244, connects water bar mechanism -27
Splicing -245, insertion vallecular cavity -261, insertion slot -262, sealing ring -263, water bar -271, rubber sealant -272, limit
Position sliding slot -273, sliding slot -274, draw runner -275.
Specific embodiment
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 description, 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.
As shown in figures 1 to 6, the embodiment of the present invention provides a kind of electric power box with waterflooding closed cavity function, structure packet
Closed roof 1, electric power box main body 2, threaded hole 3, fixed pedestal 4, maintenance door switch 5, connects hinge 6, maintenance door 7 are included, it is described
1 lower end of closed roof is welded in 2 upside of electric power box main body, and the closed roof 1 is set to 4 top of fixed pedestal, the threaded hole 3
It is integrated with fixed pedestal 4, the quantity of the threaded hole 3 is four, 2 downside of electric power box main body and fixed pedestal
4 upsides are mutually welded, and the insertion of maintenance door switch 5 is installed in maintenance door 7, and the maintenance door 7 passes through company with electric power box main body 2
It connects hinge 6 to be connected, the quantity of the maintenance door 7 is two, and the fixed pedestal 4 is horizontal positioned, the top of closed roof 1
Portion be it is tapered, the electric power box main body 2 be cuboid-type, the electric power box main body 2 include heat release hole 21, cavity 22, connecting rod move
Dynamic slot 23, floating block mechanism 24, connecting rod 25, insertion groove mechanism 26, water bar mechanism 27, spring 28, the heat release hole 21 pass through
It is through on cavity 22, the connecting rod shifting chute 23 is integrated with cavity 22,24 right side of floating block mechanism and connecting rod
25 left ends are connected, and 25 right end of connecting rod is welded with 27 phase of water bar mechanism, and the heat release hole 21 is mobile set on connecting rod
Above slot 23, it is fixedly welded on rear side of the insertion groove mechanism 26 on cavity 22, the water bar mechanism 27 is installed on cavity
On 22, the spring 28 is installed between water bar mechanism 27 and cavity 22,25 outside of connecting rod and connecting rod shifting chute
23 insides fit, and the quantity of the spring 28 is two, and 22 downside of cavity is mutually welded with 4 upside of fixed pedestal, described
It is mutually welded with 1 downside of closed roof 22 upside of cavity.
Preferably, the floating block mechanism 24 includes glass plate 241, mercury layer 242, small floating block 243, big floating block 244, connection
Rope 245,241 downside of the glass plate be connected on the upside of mercury layer 242, small float is fixedly installed on the downside of the mercury layer 242
On block 243,245 lower end of connecting rope is connected with big floating block 244,245 upper end of connecting rope and small 243 downside phase of floating block
Connection, the quantity of the glass plate 241 are five, and the big floating block 244 is cuboid and a groove, the connecting rope are arranged at top
245 with small floating block 243 and big 244 relative position of floating block is connected and fixed, and the small floating block 243, which meets water, has buoyancy, floats to water
On face, small 243 top glass plate 241 of floating block is combined with mercury layer 242 can reflected light photograph.
Preferably, the water bar mechanism 27 includes water bar 271, rubber sealant 272, limit sliding chutes 273, slides
Slot 274, draw runner 275, the insertion of rubber sealant 272 are installed on 271 downside of water bar, 271 upside of water bar
Fit on the inside of limit sliding chutes 273,274 inside of the sliding slot with fit on the outside of draw runner 275,275 upper end of draw runner and
271 downside of water bar is mutually welded, and the limit sliding chutes 273 are set to 272 top of rubber sealant, the quantity of the draw runner 275
Be two, 272 downside of the rubber sealant with fit on the inside of electric power box main body 2,273 lower end of limit sliding chutes is welded in
2 inside of electric power box main body, the sliding slot 274 are integrated with electric power box main body 2, and 275 section of draw runner is T junction
Structure, the limit sliding chutes 273 have the function of that limiting water bar 271 slides, and the rubber sealant 272 is rubber layer, energy
Preferably fit on the inside of electric power box main body 2.
Preferably, the insertion groove mechanism 26 includes insertion vallecular cavity 261, insertion slot 262, sealing ring 263, the insertion
Vallecular cavity 261 is integrated with insertion slot 262, and 261 inside of insertion vallecular cavity is fixedly installed on the outside of the sealing ring 263,
261 lower end of insertion vallecular cavity is welded in the inside of electric power box main body 2, the insertion slot 262 have limit water bar 271 to
The trend of upper movement, the sealing ring 263 make water bar 271 be inserted into better tightness.
Working principle: when rainy season, for a long time rain so that at this flow of water go up, when increase to contact floating block mechanism 24,
So that floating block mechanism 24 due to buoyancy as the flow of water moves up, by connecting rod 25 drive water bar 271 move up, make
The draw runner 275 obtained on water bar 271 is moved up along sliding slot 274, and top heat release hole 21 is sheltered from, and is prevented in water entrance
Portion, wherein limit sliding chutes 273 overcome the power for preventing water bar 271 from squeezing inwardly, and rubber sealant 272 makes and cavity 22
Inside fitting is tighter, when the flow of water constantly goes up, when so that floating block mechanism 24 being moved to restriction site, on water bar 271
End insertion is stuck in inside insertion vallecular cavity 261, small floating in floating block mechanism 24 after then floating block mechanism 24 covers entirety due to the flow of water
Block 243 is marked by connecting rope 245 and is positioned with big floating block 244, pass through small floating block since the buoyancy of water climbs up on top of the water upwards
Glass plate 241 on 243 is combined with mercury layer 242 carries out reflection red light line, allows power worker after clearing up cracking
Electric power box position is found in positioning, is handled in time.
It although an embodiment of the present invention has been shown and described, for the ordinary skill in the art, can be with
A variety of variations, modification, replacement can be carried out to these embodiments without departing from the principles and spirit of the present invention by understanding
And modification, the scope of the present invention is defined by the appended.
Claims (4)
1. a kind of electric power box with waterflooding closed cavity function, structure includes closed roof (1), electric power box main body (2), spiral shell
Pit (3), fixed pedestal (4), maintenance door switch (5), connects hinge (6), maintenance door (7), it is characterised in that:
Closed roof (1) lower end is welded on the upside of electric power box main body (2), and the closed roof (1) is set to fixed pedestal (4)
Top, the threaded hole (3) are integrated with fixed pedestal (4), and the quantity of the threaded hole (3) is four, the electricity
It is mutually welded on the downside of power box main body (2) with fixed pedestal (4) upside, maintenance door switch (5) insertion is installed on maintenance door (7)
On, the maintenance door (7) is connected with electric power box main body (2) by connects hinge (6), and the quantity of the maintenance door (7) is two
It is a, the fixed pedestal (4) be it is horizontal positioned, be at the top of the closed roof (1) it is tapered, the electric power box main body (2) is length
Cube type；
The electric power box main body (2) includes heat release hole (21), cavity (22), connecting rod shifting chute (23), floating block mechanism (24), connection
Bar (25), insertion groove mechanism (26), water bar mechanism (27), spring (28), the heat release hole (21) is through cavity (22)
On, the connecting rod shifting chute (23) is integrated with cavity (22), floating block mechanism (24) right side and connecting rod (25)
Left end is connected, and connecting rod (25) right end is mutually welded with water bar mechanism (27), and the heat release hole (21) is set to connecting rod
Above shifting chute (23), insertion groove mechanism (26) rear side is fixedly welded on cavity (22), the water bar mechanism
(27) it is installed on cavity (22), the spring (28) is installed between water bar mechanism (27) and cavity (22), the company
It fits on the outside of extension bar (25) with connecting rod shifting chute (23) inside, the quantity of the spring (28) is two, the cavity (22)
It mutually welds on the upside of downside and fixed pedestal (4), is mutually welded on the upside of the cavity (22) with closed roof (1) downside.
2. a kind of electric power box with waterflooding closed cavity function according to claim 1, it is characterised in that: the floating block
Mechanism (24) includes glass plate (241), mercury layer (242), small floating block (243), big floating block (244), connecting rope (245), described
It is connected on the downside of glass plate (241) with mercury layer (242) upside, is fixedly installed in small floating block on the downside of the mercury layer (242)
(243) on, connecting rope (245) lower end is connected with big floating block (244), connecting rope (245) upper end and small floating block
(243) downside is connected, and the quantity of the glass plate (241) is five, and the big floating block (244) is cuboid and top has one
Groove.
3. a kind of electric power box with waterflooding closed cavity function according to claim 1, it is characterised in that: the waterproof
Baffle mechanism (27) includes water bar (271), rubber sealant (272), limit sliding chutes (273), sliding slot (274), draw runner
(275), the rubber sealant (272) insertion is installed on the downside of water bar (271), on the upside of the water bar (271) with
It fits on the inside of limit sliding chutes (273), fits on the inside of the sliding slot (274) with draw runner (275) outside, the draw runner (275)
It is mutually welded on the downside of upper end and water bar (271), the limit sliding chutes (273) are set to above rubber sealant (272), the cunning
The quantity of item (275) is two, is fitted on the downside of the rubber sealant (272) with electric power box main body (2) inside, the limit
Sliding slot (273) lower end is welded on the inside of electric power box main body (2), and the sliding slot (274) is integrated knot with electric power box main body (2)
Structure, draw runner (275) section are T-type structure.
4. a kind of electric power box with waterflooding closed cavity function according to claim 1, it is characterised in that: the insertion
Groove mechanism (26) includes insertion vallecular cavity (261), is inserted into slot (262), sealing ring (263), the insertion vallecular cavity (261) and insertion
Slot (262) is integrated, and fits on the outside of the sealing ring (263) on the inside of insertion vallecular cavity (261), the insertion groove
Chamber (261) lower end is welded on the inside of electric power box main body (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910153831.5A CN110011198B (en) | 2019-03-01 | 2019-03-01 | Power box with flooding closed cavity function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910153831.5A CN110011198B (en) | 2019-03-01 | 2019-03-01 | Power box with flooding closed cavity function |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110011198A true CN110011198A (en) | 2019-07-12 |
| CN110011198B CN110011198B (en) | 2020-08-04 |
Family
ID=67166184
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910153831.5A Active CN110011198B (en) | 2019-03-01 | 2019-03-01 | Power box with flooding closed cavity function |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110011198B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111741638A (en) * | 2020-07-02 | 2020-10-02 | 广州形银科技有限公司 | LED display screen playing system |
| CN112688193A (en) * | 2021-01-18 | 2021-04-20 | 上海摩芸金电子科技有限公司 | Safe switch board with hydrofuge flood control function |
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| CN204012335U (en) * | 2014-08-26 | 2014-12-10 | 乐清市万星输配电设备有限公司 | Case becomes housing |
| CN205365992U (en) * | 2016-01-21 | 2016-07-06 | 无锡工艺职业技术学院 | Buoy release |
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| CN206954454U (en) * | 2017-06-28 | 2018-02-02 | 广州华灿电子有限公司 | A kind of buoy for being easy to positioning to find |
| CN207098389U (en) * | 2017-08-08 | 2018-03-13 | 天津龙召配电开关设备有限公司 | Dehumidify the distribution box divulged information |
| CN207303778U (en) * | 2017-10-12 | 2018-05-01 | 山东泰莱电气股份有限公司 | A kind of switchgear for automatically adjusting air inlet size |
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2019
- 2019-03-01 CN CN201910153831.5A patent/CN110011198B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN204012335U (en) * | 2014-08-26 | 2014-12-10 | 乐清市万星输配电设备有限公司 | Case becomes housing |
| CN205365992U (en) * | 2016-01-21 | 2016-07-06 | 无锡工艺职业技术学院 | Buoy release |
| CN206712271U (en) * | 2017-05-24 | 2017-12-05 | 宣海成 | A kind of water proof type distribution box |
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| CN111741638A (en) * | 2020-07-02 | 2020-10-02 | 广州形银科技有限公司 | LED display screen playing system |
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| CN112688193B (en) * | 2021-01-18 | 2022-09-20 | 广东灿阳智能电力设备有限公司 | Safe switch board with hydrofuge flood control function |
Also Published As
| Publication number | Publication date |
|---|---|
| CN110011198B (en) | 2020-08-04 |
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