CN112563895A - Protection device of electric power metering equipment - Google Patents
Protection device of electric power metering equipment Download PDFInfo
- Publication number
- CN112563895A CN112563895A CN202011356837.1A CN202011356837A CN112563895A CN 112563895 A CN112563895 A CN 112563895A CN 202011356837 A CN202011356837 A CN 202011356837A CN 112563895 A CN112563895 A CN 112563895A
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- fixedly connected
- protection
- electric power
- shaped
- air outlet
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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
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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
-
- 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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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Direct Air Heating By Heater Or Combustion Gas (AREA)
Abstract
The invention discloses a protection device of electric power metering equipment, which comprises a base, wherein the top of the base is fixedly connected with a protection cover, the bottom of the inner side of the protection cover is provided with two installation components, a fixed plate is fixedly connected between the tops of the two installation components, and the top of the fixed plate is fixedly provided with an electric power metering equipment body; the equal fixedly connected with coupling assembling of both sides inner wall of protection casing, one side that two coupling assembling are relative all is provided with pastes the pad, the inboard top fixedly connected with movable frame of protection casing, the connection has screw mechanism in the movable frame, the last air outlet nozzle that is fixed with of screw mechanism, the outside top fixedly connected with hair-dryer of protection casing, the air outlet of hair-dryer penetrate the protection casing through the tuber pipe in with the inside intercommunication of air outlet nozzle. The invention improves the temperature control efficiency while providing the shell protection, has better high-temperature and low-temperature prevention functions and prolongs the service life of the electric power metering equipment.
Description
Technical Field
The invention relates to the technical field of equipment protection, in particular to a protection device of electric power metering equipment.
Background
Electric power marketing is that an electric power enterprise provides electric power products and corresponding services meeting consumption requirements through a series of market-related business activities of the electric power enterprise in a changed market environment so as to meet the electric power consumption requirements of people, thereby achieving the goal of the enterprise. The essence of power marketing is to adjust the demand level and the demand time of a power market, meet the reasonable power utilization requirement of users with good service quality, realize mutual coordination between power supply and demand, establish a cooperative partner relationship between power enterprises and users, promote the users to actively change consumption behaviors and power utilization modes, improve power utilization efficiency and further increase the benefits of the enterprises. The power enterprises are to achieve their own objectives in meeting the needs of consumers.
In the middle of the real life, the electric power metering equipment protection peripheral plays a great role, but the existing electric power metering equipment protection device in the market has certain defects, for example, Chinese patent with publication number CN211266127U and publication date 2020.8.14, namely an electric power metering equipment protection peripheral device, which is only provided with a protection plate outside the electric power metering equipment, but the device does not have a good high-temperature prevention function, so that when in work, high temperature is generated, the electric power metering equipment is damaged, and the service life of the electric power metering equipment is shortened.
Disclosure of Invention
The invention provides a protective device of electric power metering equipment, which improves temperature control efficiency while providing shell protection, has better high-temperature and low-temperature prevention functions and prolongs the service life of the electric power metering equipment.
The technical scheme of the invention is as follows:
a protection device of electric power metering equipment comprises a base, wherein a protection cover is fixedly connected to the top of the base, two mounting assemblies are arranged on the bottom of the inner side of the protection cover, a fixed plate is fixedly connected between the tops of the two mounting assemblies, and an electric power metering equipment body is fixed to the top of the fixed plate;
the equal fixedly connected with coupling assembling of both sides inner wall of protection casing, two one side that coupling assembling is relative all is provided with pastes the pad, the inboard top fixedly connected with movable frame of protection casing, the lead screw mechanism of being connected in the movable frame, be fixed with the air outlet on the lead screw mechanism, the outside top fixedly connected with hair-dryer of protection casing, the air outlet of hair-dryer penetrates through going out the tuber pipe in the protection casing with the inside intercommunication of air outlet.
In the invention, air is discharged to the air outlet nozzle through the blower, and the air outlet nozzle sends the air into the protective cover, so that the temperature of the electric power metering equipment can be reduced (cold air) or increased (hot air); meanwhile, through the arrangement of the sticking pad, dust in the gas can be adsorbed, and the effect of removing dust can be achieved; the sticking pad is detachably connected through the connecting component, so that the sticking pad is convenient to disassemble and assemble; the screw rod mechanism can drive the air outlet nozzle to move left and right, so that the air outlet nozzle can move left and right in the protective cover to discharge air for cooling or heating, large-area heat dissipation or heating protection is performed, and the efficiency is improved.
Further, the top fixedly connected with water tank of protection casing, the inside fixedly connected with fixed frame of water tank, fixedly connected with S type heat exchange tube in the fixed frame, the one end of S type heat exchange tube with the outside intercommunication of water tank, the inlet scoop of hair-dryer through the aspiration channel with the other end intercommunication of S type heat exchange tube.
Ice water is placed in the water tank, so that the temperature of gas in the S-shaped heat exchange tube is reduced, low-temperature gas is blown out of the air outlet nozzle through the blower, and the gas blown into the protective cover by the air outlet nozzle is cold air, so that the cooling effect is achieved; on the contrary, hot water is put into the water tank, the temperature of the gas in the S-shaped heat exchange tube is raised by the hot water, and the high-temperature gas is blown out of the gas outlet nozzle by the blower, so that the temperature of the gas entering the protective cover from the gas outlet nozzle is raised, the heating effect is achieved, and the use in cold seasons is facilitated; the invention meets the use in different seasons, improves the temperature control efficiency and has better functions of preventing high temperature and low temperature.
Further, be provided with inlet tube and drain pipe on the water tank, and all be provided with the control valve for the water source pours into and discharges.
Further, screw rod mechanism includes the lead screw, the lead screw rotates to be connected between the inner wall both sides of movable frame, the first belt pulley of the surface fixedly connected with of one end of lead screw, other end screw thread have cup jointed the thread piece, the bottom of thread piece is fixed with the actuating lever, the bottom of actuating lever runs through the bottom of movable frame is connected go out the tuyere, the outside top fixedly connected with motor of protection casing, the output shaft fixedly connected with second belt pulley of motor, the surface of second belt pulley with the surface of first belt pulley passes through belt transmission and connects.
Through the start-up of motor, can drive first belt pulley and second belt pulley and carry out the transmission, and then drive the lead screw and rotate, the lead screw drives the thread piece and removes about, and then removes about the gas outlet nozzle that makes the actuating lever bottom, carries out the large tracts of land heat dissipation or intensification protection, raises the efficiency.
Furthermore, the air outlet nozzle is in a horn shape.
Furthermore, the both sides of protection casing have all been seted up the bleeder vent, and the bleeder vent with coupling assembling's inside intercommunication. The air flow in the protective cover is discharged and circulated through the air holes after being dedusted by the sticking pad.
Further, the installation component includes backing plate and L template, the bottom of backing plate is passed through the bolt fastening in the inboard bottom of protection casing, the L template is fixed in the bottom of fixed plate, the top fixedly connected with snap ring of backing plate, one side fixedly connected with inserted block of the bottom of L template, the inside of inserted block seted up with snap ring complex chucking groove.
Inserting the clamping ring into the clamping groove corresponding to the position for inserting, enabling the L-shaped plate to be fixed on the base plate, and guaranteeing the stability of the fixed plate for supporting the electric power metering equipment.
Further, the bottom sliding connection of L template has T type stopper, the opposite side fixedly connected with action bars of T type stopper, the surface cover of action bars is equipped with the extrusion spring, the one end of action bars runs through the L template is connected with the pull ring, the confession has been seted up to the inserted block T type stopper male slot the chucking groove with behind the snap ring cooperation chucking, the slot with the centre bore of snap ring corresponds, T type stopper passes through the slot inserts the inserted block passes the centre bore of snap ring carries out spacing locking.
For the convenience of strengthening the plug-in, through the elastic force of extrusion spring self, can extrude T type stopper for during T type stopper inserted the slot of inserted block, behind chucking groove and snap ring cooperation chucking, the slot corresponds with the centre bore of snap ring, and T type stopper passes the centre bore of snap ring and carries out spacing locking. And then can carry out the chucking to the snap ring that is in inside the chucking groove, guarantee the stability after electric power metering equipment connects, also be convenient for the disconnect installation component.
Further, the connecting assembly comprises a magic tape assembly or other connecting assemblies which are easy to disassemble.
Further, the inside of fixed plate is provided with the blotter for cushion bearing electric power metering equipment, make it possess the bradyseism effect.
The invention has the beneficial effects that:
according to the protection device of the electric power metering equipment, cold air or hot air is blown into the protection cover through the air outlet nozzle, so that the temperature in the protection cover can be reduced or increased, the temperature control of the use environment of the electric power metering equipment is facilitated, the use in different seasons is met, the temperature control efficiency is improved, the protection device has good high-temperature and low-temperature prevention functions, and the service life of the electric power metering equipment is prolonged; the two sticking pads are arranged, so that dust in the gas can be adsorbed; and screw mechanism can drive the air outlet nozzle and remove about, and the air outlet nozzle removes the air-out cooling or intensifies about in the protection casing of being convenient for, carries out the large tracts of land heat dissipation or intensifies the protection, raises the efficiency.
Drawings
FIG. 1 is a schematic view of the structure of the protective device of the present invention;
FIG. 2 is a top view of the S-shaped heat exchange tube installed in a fixed frame;
FIG. 3 is a schematic structural view of the mounting assembly in disassembled form;
FIG. 4 is a schematic view of the locking arrangement of the mounting assembly;
in the figure: the electric power metering device comprises a base 1, a protective cover 2, a mounting assembly 3, a backing plate 301, an L-shaped plate 302, a clamping ring 303, an inserting block 304, a clamping groove 305, a T-shaped limiting block 306, an operating rod 307, an extrusion spring 308, a pull ring 309, a slot 310, a fixing plate 4, an electric power metering device body 5, a connecting assembly 6, an adhesive pad 7, a movable frame 8, a screw rod 9, a first belt pulley 10, a threaded block 11, a driving rod 12, an air outlet nozzle 13, a motor 14, a second belt pulley 15, a blower 16, a water tank 17, a fixing frame 18, an S-shaped heat exchange tube 19, an air vent 20.
Detailed Description
The drawings are for illustrative purposes only and are not to be construed as limiting the patent; for the purpose of better illustrating the embodiments, certain features of the drawings may be omitted, enlarged or reduced, and do not represent the size of an actual product; it will be understood by those skilled in the art that certain well-known structures in the drawings and descriptions thereof may be omitted. The positional relationships depicted in the drawings are for illustrative purposes only and are not to be construed as limiting the present patent.
Example 1:
as shown in fig. 1 and 2, a protection device of an electric power metering device includes a base 1, a protection cover 2 is fixedly connected to the top of the base 1, two mounting assemblies 3 are arranged on the bottom of the inner side of the protection cover 2, a fixing plate 4 is fixedly connected between the tops of the two mounting assemblies 3, and an electric power metering device body 5 is fixed to the top of the fixing plate 4;
the inner walls of two sides of the protective cover 2 are fixedly connected with connecting components 6, one side, opposite to the two connecting components 6, of each connecting component 6 is provided with an adhesive pad 7, the top of the inner side of the protective cover 2 is fixedly connected with a movable frame 8, a lead screw mechanism is connected in the movable frame 8 and comprises a lead screw 9, the lead screw 9 is rotatably connected between two sides of the inner wall of the movable frame 8, the outer surface of one end of the lead screw 9 is fixedly connected with a first belt pulley 10, the other end of the lead screw is in threaded sleeve connection with a threaded block 11, the bottom of the threaded block 11 is fixedly provided with a driving rod 12, the bottom end of the driving rod 12 penetrates through the bottom of the movable frame 8 and is connected with an air outlet nozzle 13, the top of the outer side of the protective cover 2 is fixedly connected with a motor 14, the output shaft of the motor 14 is, the air outlet of the blower 16 penetrates through the inside of the air outlet nozzle 13 in the protective cover 2 through the air outlet pipe, the top fixedly connected with water tank 17 of the protective cover 2, the fixed frame 18 of the inside fixedly connected with of the water tank 17, the S-shaped heat exchange pipe 19 of the fixed frame 18, one end of the S-shaped heat exchange pipe 19 is communicated with the outside of the water tank 17, and the air suction opening of the blower 16 is communicated with the other end of the S-shaped heat exchange pipe 19 through the air suction pipe.
The water tank 17 and the S-shaped heat exchange tube 19 can provide cold air or hot air, air is discharged to the air outlet nozzle 13 through the blower 16, the air is sent into the protective cover 2 by the air outlet nozzle 13, and the temperature (cold air) or the temperature (hot air) of the electric power metering equipment body 5 can be reduced; meanwhile, through the arrangement of the sticking pad 7, dust in the gas can be adsorbed, and the effect of removing dust can be achieved; the sticking pad 7 is detachably connected through the connecting component 6, so that the assembly and disassembly are convenient; the screw rod mechanism can drive the air outlet nozzle 13 to move left and right, so that the air outlet nozzle 13 can move left and right in the protective cover 2 to cool or heat, large-area heat dissipation or heating protection is performed, and the efficiency is improved.
In this embodiment, the motor 14 is connected to an external power supply and a control switch, and is a forward/reverse motor, and is configured by using an existing connection method and a coding method.
In this embodiment, the water tank 17 is provided with a water inlet pipe and a water outlet pipe, and is provided with a control valve for water source injection and discharge.
In the present embodiment, the outlet nozzle 13 is in the shape of a trumpet.
In this embodiment, the both sides of protection casing 2 have all been seted up bleeder vent 20 to bleeder vent 20 and coupling assembling 6's inside intercommunication, the circulation of discharging is carried out by bleeder vent 20 again after the air current in protection casing 2 removes dust through pasting pad 7. Wherein, coupling assembling 6 includes the magic subsides subassembly, or other quick detachable coupling assembling.
As shown in fig. 3 and 4, in this embodiment, the mounting assembly 3 includes a backing plate 301 and an L-shaped plate 302, the bottom of the backing plate 301 is fixed to the bottom of the inner side of the shield 2 by bolts, the L-shaped plate 302 is fixed to the bottom of the fixing plate 4, a snap ring 303 is fixedly connected to the top of the backing plate 301, an insertion block 304 is fixedly connected to one side of the bottom of the L-shaped plate 302, a snap groove 305 matched with the snap ring 303 is formed inside the insertion block 304, a T-shaped stop block 306 is slidably connected to the bottom of the L-shaped plate 302, an operating rod 307 is fixedly connected to the other side of the T-shaped stop block 306, an extrusion spring 308 is sleeved on the outer surface of the operating rod 307, one end of the operating rod 307 penetrates through the L-shaped, after the clamping groove 305 is matched with the clamping ring 303 for clamping, the slot 310 corresponds to the central hole of the clamping ring 303, and the T-shaped limiting block 306 is inserted into the insertion block 304 through the slot 310 and penetrates through the central hole of the clamping ring 303 for limiting and locking. Through the elastic force of extrusion spring 308 self, can extrude T type stopper 306, make T type stopper 306 insert the slot 310 of inserted block 304, after chucking groove 305 and the cooperation chucking of snap ring 303, slot 310 corresponds with the centre bore of snap ring 303, T type stopper 306 passes the centre bore of snap ring 303 and carries out spacing locking, and then can carry out the chucking to the snap ring 303 that is in inside chucking groove 305, guarantee the stability after the electric power metering equipment connects, the installation component of also being convenient for to tear open and connect.
In this embodiment, a cushion pad 21 is provided inside the fixing plate 4 to cushion the supporting power metering device, so that the supporting power metering device has a cushioning effect.
The use principle of the invention is as follows:
during installation, referring to fig. 3, the backing plate 301 is fixed to the bottom of the inner wall of the protective cover 2 through a fastening bolt, the T-shaped limiting block 306 is pulled through the pull ring 309 to compress the extrusion spring 308, then the snap ring 303 is inserted into the clamping groove 305 of the insertion block 304, then the pull ring 309 is loosened, the extrusion spring 308 is reset, the T-shaped limiting block 306 passes through the center hole of the snap ring 303 through the insertion groove 304 to perform limiting and locking, referring to fig. 4, the connection mode ensures that the L-shaped plate 302 and the backing plate 301 can be stably combined to form the installation component 3, and is convenient to disassemble and assemble, so that the fixing plate 4 between the two installation components 3 can be fixed in the protective cover 2 in a balanced manner, and further the electric power metering device body; after the installation is finished, the blower 16 is started, if the inside of the protective cover 2 needs to be cooled, ice water is introduced into the water tank 17, the ice water enables the temperature of gas in the S-shaped heat exchange tube 19 to be reduced, low-temperature gas is discharged to the gas outlet nozzle 13 through the blower 16, the gas blown into the inside of the protective cover 2 by the gas outlet nozzle 13 is cold air, the cooling effect is achieved, meanwhile, in order to conduct large-area rapid heat dissipation, the motor 14 is started, the motor 14 drives the first belt pulley 10 and the second belt pulley 15 to conduct transmission, the screw rod 9 is further driven to rotate, the screw rod 9 drives the thread block 11 to move left and right, the gas outlet nozzle 13 at the bottom of the driving rod 12 moves; similarly, if the temperature needs to be raised, only the water in the water tank 17 needs to be replaced by hot water.
According to the protection device of the electric power metering equipment, cold air or hot air is blown into the protection cover 2 through the air outlet nozzle 13, so that the temperature in the protection cover 2 can be reduced or increased, the temperature control of the use environment of the electric power metering equipment is facilitated, the use in different seasons is met, the temperature control efficiency is improved, the protection device has a good high-temperature and low-temperature prevention function, and the service life of the electric power metering equipment is prolonged; moreover, the arrangement of the two sticking pads 7 can adsorb dust in the gas; and screw mechanism can drive air outlet nozzle 13 and remove about, is convenient for air outlet nozzle 13 remove the air-out cooling or heat up about in protection casing 2, carries out the large tracts of land heat dissipation or intensification protection, raises the efficiency.
It should be understood that the above-described embodiments of the present invention are merely examples for clearly illustrating the present invention, and are not intended to limit the embodiments of the present invention. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. Any modification, equivalent replacement, and improvement made within the spirit and principle of the present invention should be included in the protection scope of the claims of the present invention.
Claims (10)
1. The protection device of the electric power metering equipment is characterized by comprising a base, wherein the top of the base is fixedly connected with a protection cover, the bottom of the inner side of the protection cover is provided with two installation components, a fixed plate is fixedly connected between the tops of the two installation components, and the top of the fixed plate is fixedly provided with an electric power metering equipment body;
the equal fixedly connected with coupling assembling of both sides inner wall of protection casing, two one side that coupling assembling is relative all is provided with pastes the pad, the inboard top fixedly connected with movable frame of protection casing, the lead screw mechanism of being connected in the movable frame, be fixed with the air outlet on the lead screw mechanism, the outside top fixedly connected with hair-dryer of protection casing, the air outlet of hair-dryer penetrates through going out the tuber pipe in the protection casing with the inside intercommunication of air outlet.
2. The protection device according to claim 1, wherein a water tank is fixedly connected to the top of the protection cover, a fixing frame is fixedly connected to the inside of the water tank, an S-shaped heat exchange tube is fixedly connected to the inside of the fixing frame, one end of the S-shaped heat exchange tube is communicated with the outside of the water tank, and an air suction opening of the blower is communicated with the other end of the S-shaped heat exchange tube through an air suction tube.
3. The shielding apparatus according to claim 2, wherein the water tank is provided with a water inlet pipe and a water outlet pipe, and each is provided with a control valve.
4. The protection device according to claim 1, wherein the screw rod mechanism comprises a screw rod, the screw rod is rotatably connected between two sides of the inner wall of the movable frame, a first belt pulley is fixedly connected to the outer surface of one end of the screw rod, a threaded block is sleeved on the other end of the screw rod in a threaded manner, a driving rod is fixed to the bottom of the threaded block, the bottom end of the driving rod penetrates through the bottom of the movable frame and is connected with the air outlet nozzle, a motor is fixedly connected to the top of the outer side of the protection cover, a second belt pulley is fixedly connected to an output shaft of the motor, and the outer surface of the second belt pulley is in transmission connection with the outer surface of the first belt pulley.
5. Guard means according to claim 1 or 4 characterised in that the outlet nozzle is trumpet shaped.
6. The protective device according to claim 1, wherein air holes are formed on both sides of the protective cover, and the air holes are communicated with the inside of the connecting assembly.
7. The protection device according to claim 1, wherein the mounting assembly comprises a base plate and an L-shaped plate, the bottom of the base plate is fixed to the bottom of the inner side of the protection cover through a bolt, the L-shaped plate is fixed to the bottom of the fixing plate, a clamping ring is fixedly connected to the top of the base plate, an insertion block is fixedly connected to one side of the bottom of the L-shaped plate, and a clamping groove matched with the clamping ring is formed in the insertion block.
8. The protection device according to claim 7, wherein a T-shaped limiting block is slidably connected to the bottom of the L-shaped plate, an operating rod is fixedly connected to the other side of the T-shaped limiting block, an extrusion spring is sleeved on the outer surface of the operating rod, one end of the operating rod penetrates through the L-shaped plate and is connected with a pull ring, an insertion block is provided with a slot for inserting the T-shaped limiting block, the clamping groove is matched with the clamping ring for clamping, the slot corresponds to the center hole of the clamping ring, and the T-shaped limiting block is inserted into the insertion block through the slot and penetrates through the center hole of the clamping ring for limiting and locking.
9. The protective apparatus according to claim 1, wherein the connection assembly includes a hook and loop fastener assembly.
10. Guard means according to claim 1 characterised in that a cushioning pad is provided on the inside of the fixed plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011356837.1A CN112563895A (en) | 2020-11-26 | 2020-11-26 | Protection device of electric power metering equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011356837.1A CN112563895A (en) | 2020-11-26 | 2020-11-26 | Protection device of electric power metering equipment |
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| Publication Number | Publication Date |
|---|---|
| CN112563895A true CN112563895A (en) | 2021-03-26 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011356837.1A Pending CN112563895A (en) | 2020-11-26 | 2020-11-26 | Protection device of electric power metering equipment |
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| CN (1) | CN112563895A (en) |
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| US20130087359A1 (en) * | 2011-10-11 | 2013-04-11 | Eaton Corporation | Super repellant coated gasket for safety switch enclosure |
| CN209184003U (en) * | 2018-10-08 | 2019-07-30 | 绵阳富邦电控设备有限公司 | A kind of distribution box with from dedusting function |
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| CN211126733U (en) * | 2020-01-14 | 2020-07-28 | 山东中奥电力设备有限公司 | Box-type substation with ventilation structure |
| CN211320675U (en) * | 2020-01-20 | 2020-08-21 | 石家庄赫伯孙电气有限公司 | Parallel three-phase four-wire three-level active power filter |
| CN211955614U (en) * | 2020-03-31 | 2020-11-17 | 广东电网有限责任公司 | Power metering box protection device |
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2020
- 2020-11-26 CN CN202011356837.1A patent/CN112563895A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20130087359A1 (en) * | 2011-10-11 | 2013-04-11 | Eaton Corporation | Super repellant coated gasket for safety switch enclosure |
| CN209184003U (en) * | 2018-10-08 | 2019-07-30 | 绵阳富邦电控设备有限公司 | A kind of distribution box with from dedusting function |
| CN111009835A (en) * | 2019-12-17 | 2020-04-14 | 西安鼎腾电子科技有限公司 | Novel comprehensive wiring box |
| CN211126733U (en) * | 2020-01-14 | 2020-07-28 | 山东中奥电力设备有限公司 | Box-type substation with ventilation structure |
| CN211320675U (en) * | 2020-01-20 | 2020-08-21 | 石家庄赫伯孙电气有限公司 | Parallel three-phase four-wire three-level active power filter |
| CN211955614U (en) * | 2020-03-31 | 2020-11-17 | 广东电网有限责任公司 | Power metering box protection device |
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Application publication date: 20210326 |
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