CN113300247A - Dampproofing block terminal that radiating effect is good - Google Patents
Dampproofing block terminal that radiating effect is good Download PDFInfo
- Publication number
- CN113300247A CN113300247A CN202110601247.9A CN202110601247A CN113300247A CN 113300247 A CN113300247 A CN 113300247A CN 202110601247 A CN202110601247 A CN 202110601247A CN 113300247 A CN113300247 A CN 113300247A
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- Prior art keywords
- box
- box body
- moisture
- heat dissipation
- good heat
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- 230000000694 effects Effects 0.000 title claims abstract description 25
- 230000017525 heat dissipation Effects 0.000 claims abstract description 20
- 239000000843 powder Substances 0.000 claims description 18
- 239000007921 spray Substances 0.000 claims description 12
- 229910000831 Steel Inorganic materials 0.000 claims description 8
- 239000010959 steel Substances 0.000 claims description 8
- 238000007664 blowing Methods 0.000 claims description 4
- 238000010926 purge Methods 0.000 abstract description 2
- 239000003795 chemical substances by application Substances 0.000 description 4
- 238000009434 installation Methods 0.000 description 3
- 230000005540 biological transmission Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 210000003437 trachea Anatomy 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
Images
Classifications
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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
- H02B1/46—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
- H02B1/26—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
- H02B1/52—Mobile units, e.g. for work sites
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
- H02B1/00—Frameworks, boards, panels, desks, casings; Details of substations or switching arrangements
- H02B1/56—Cooling; Ventilation
- H02B1/565—Cooling; Ventilation for cabinets
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N7/00—Television systems
- H04N7/18—Closed-circuit television [CCTV] systems, i.e. systems in which the video signal is not broadcast
- H04N7/183—Closed-circuit television [CCTV] systems, i.e. systems in which the video signal is not broadcast for receiving images from a single remote source
- H04N7/185—Closed-circuit television [CCTV] systems, i.e. systems in which the video signal is not broadcast for receiving images from a single remote source from a mobile camera, e.g. for remote control
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Accessories Of Cameras (AREA)
Abstract
本发明公开了一种散热效果好的防潮配电箱，包括箱体，所述箱体的内部固定有环形的导轨，所述导轨的内部转动套接有转动板，所述转动板的顶部固定有支架，所述支架为矩形框架结构，所述箱体的内部安装有对电气部件观察用的在线观察机构和吹扫机构，所述箱体的顶部安装有排气机构，所述箱体的底部安装有滚轮。本发明在操作时箱门不会造成干扰，大大提高了操作的便捷性，无需打开箱体即可实时远程看到箱体内部的情况，对箱体内部的电气部件进行散热，驱除内部湿气，保证箱体内部的电气部件正常运转，实现对箱体内部的灭火。The invention discloses a moisture-proof distribution box with good heat dissipation effect, comprising a box body, an annular guide rail is fixed inside the box body, a rotating plate is rotatably sleeved inside the guide rail, and the top of the rotating plate is fixed There is a bracket, and the bracket is a rectangular frame structure. An online observation mechanism and a purging mechanism for observing electrical components are installed inside the box body. An exhaust mechanism is installed on the top of the box body. Rollers are installed at the bottom. The present invention does not interfere with the box door during operation, greatly improves the convenience of operation, and can remotely view the situation inside the box body in real time without opening the box body, dissipate heat from the electrical components inside the box body, and remove the internal moisture. , to ensure the normal operation of the electrical components inside the box, and to achieve fire extinguishing inside the box.
Description
Technical Field
The invention relates to the technical field of distribution boxes, in particular to a moisture-proof distribution box with a good heat dissipation effect.
Background
The distribution box has the characteristics of small volume, simple and convenient installation, special technical performance, fixed position, unique configuration function, no field limitation, universal application, stable and reliable operation, high space utilization rate, less occupied area and environmental protection effect. The function of the existing distribution box is relatively single, more requirements cannot be met, and meanwhile, the existing distribution box door is generally opened and closed, so that the box door can greatly interfere with operation, and the maintenance operation is relatively troublesome.
Disclosure of Invention
The invention aims to solve the defects in the prior art and provides a moisture-proof distribution box with a good heat dissipation effect.
In order to achieve the purpose, the invention adopts the following technical scheme:
the utility model provides a dampproofing block terminal that radiating effect is good, includes the box, the inside of box is fixed with annular guide rail, the rotor plate has been cup jointed in the inside rotation of guide rail, the top of rotor plate is fixed with the support, the support is the rectangular frame structure, the internally mounted of box has the online observation mechanism of usefulness and sweeps the mechanism to electric component observation, exhaust mechanism is installed at the top of box, the gyro wheel is installed to the bottom of box.
Preferably, the box body is of a semi-cylindrical shell structure, a box door is rotatably sleeved outside the box body, and the box door is of a semi-cylindrical shell structure.
Preferably, the mounting panel is installed through the screw in the inside of support, the mounting panel is the bar, the mounting panel is used for electrical components's installation.
Preferably, the online observation mechanism comprises a motor, a screw rod, a sliding block and a camera, a sliding groove is formed in the inner wall of the box body, the motor is installed in the sliding groove, the screw rod is connected with an output shaft of the motor, the sliding block is sleeved on the screw rod through threads, the sliding block is installed in the sliding groove in a sliding mode, and the camera is installed on the side edge of the sliding block.
Preferably, the exhaust mechanism comprises a conical cover, a cross, a first spring and a steel ball, the conical cover penetrates through the box body, the cross is fixed inside the conical cover, and the cross is connected with the steel ball through the spring.
Preferably, the blowing mechanism comprises a fan, a filter, an air pipe, a main pipe and a spray pipe, the fan penetrates through the box body, an air outlet of the fan is communicated with the main pipe through the air pipe, the main pipe is fixed on the inner wall of the box body, the filter is installed on a pipe section of the air pipe, and the side edge of the main pipe is communicated with the spray pipe.
Preferably, install the check valve on the pipeline section of tuber pipe, the side of box rotates installs the receiver, it has the shroud to articulate on the receiver, the dry powder fire extinguisher is installed through clamping mechanism in the inside of receiver, the export of dry powder fire extinguisher passes through the trachea and is responsible for the intercommunication, the receiver passes through positioning mechanism and fixes on the box.
Preferably, clamping mechanism includes screw rod and splint, the screw rod runs through the receiver, the screw rod passes through threaded connection with the receiver, it has cup jointed curved splint to rotate on the screw rod, the dry powder fire extinguisher passes through the inside of splint clamp at the receiver.
Preferably, positioning mechanism includes guide arm, spacing ring, second spring, fixed block, the bottom at the receiver is fixed to the fixed block, it has the guide arm to slide to run through on the fixed block, the fixed cup joints the spacing ring on the guide arm, the spring has been cup jointed on the guide arm, the spring is located between spacing ring and the fixed block, the side of box is provided with hemispherical slot.
Compared with the prior art, the invention has the beneficial effects that:
1. in the invention, two surfaces of the mounting plate can be mounted, so that the electrical components can be mounted in a dispersed manner and prevented from being stacked together, thereby reducing the interference among the components and improving the mounting convenience; the box body is of a semi-cylindrical shell-shaped structure, the box door is rotatably sleeved outside the box body and can be directly accommodated behind the box body, so that the box door cannot cause interference during operation, and the convenience of operation is greatly improved;
2. according to the invention, the motor drives the screw rod to rotate, the screw rod drives the sliding block to move through the thread transmission between the screw rod and the sliding block, and the sliding block drives the camera to move, so that the camera can monitor the inside of the box body, and the condition of the inside of the box body can be remotely seen in real time without opening the box body;
3. according to the invention, cold air generated by the fan is blown inside the box body through the air pipe, the main pipe and the spray pipe to dissipate heat of the electrical components inside the box body, and the filter is arranged to ensure that the blown cold air is dry, so that the inside of the box body can be ventilated, internal moisture is removed, and the normal operation of the electrical components inside the box body is ensured.
4. According to the dry powder fire extinguisher, when fire occurs in the box body, the fixing block is fixed at the bottom of the containing box, the guide rod penetrates through the fixing block in a sliding mode, the guide rod is fixedly sleeved with the limiting ring, the guide rod is sleeved with the spring, the spring is located between the limiting ring and the fixing block, the guide rod is pulled out of the slot, the containing box is turned over, fire extinguishing agents in the dry powder fire extinguisher are mixed, the dry powder fire extinguisher can be started, the mixed fire extinguishing agents are introduced into the main pipe through the air pipe and are sprayed out through the spray pipe, and therefore fire extinguishing in the box body is achieved.
Drawings
Fig. 1 is a sectional view of a moisture-proof distribution box with a good heat dissipation effect according to the present invention;
fig. 2 is a top view of a box body and a box door of the moisture-proof distribution box with a good heat dissipation effect, which is provided by the invention;
fig. 3 is a schematic structural diagram of an exhaust mechanism of a moisture-proof distribution box with a good heat dissipation effect according to the present invention;
fig. 4 is a schematic structural view of an online observation mechanism of a moisture-proof distribution box with a good heat dissipation effect, which is provided by the invention;
fig. 5 is a schematic view of an installation structure of a bracket of a moisture-proof distribution box with a good heat dissipation effect according to the present invention;
fig. 6 is a schematic structural view of a blowing mechanism of a moisture-proof distribution box with a good heat dissipation effect, which is provided by the invention;
fig. 7 is a schematic structural diagram of a positioning mechanism of a moisture-proof distribution box with a good heat dissipation effect according to the present invention;
fig. 8 is a schematic structural view of a clamping mechanism of a moisture-proof distribution box with a good heat dissipation effect according to the present invention.
In the figure: the device comprises a box body 1, a guide rail 2, a roller 3, a box door 4, an online observation mechanism 5, a motor 51, a lead screw 52, a slide block 53, a camera 54, a support 6, an exhaust mechanism 7, a conical cover 71, a cross 72, a first spring 73, a steel ball 74, a cover 8, a dry powder fire extinguisher 9, a clamping mechanism 10, a screw 101, a clamping plate 102, a storage box 11, a positioning mechanism 12, a guide rod 121, a limiting ring 122, a second spring 123, a fixed block 124, a purging mechanism 13, a fan 131, a filter 132, an air pipe 133, a main pipe 134, a spray pipe 135, a mounting plate 14, an air pipe 15, a one-way valve 16 and a rotating plate 17.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.
Referring to fig. 1-8, a dampproofing block terminal that radiating effect is good, includes box 1, and the inside of box 1 is fixed with annular guide rail 2, and rotor plate 17 has been cup jointed in the inside rotation of guide rail 2, and the top of rotor plate 17 is fixed with support 6, and support 6 is the rectangular frame structure, and the internally mounted of box 1 has the online observation mechanism 5 of using to electric parts observation and sweeps mechanism 13, and exhaust mechanism 7 is installed at the top of box 1, and gyro wheel 3 is installed to the bottom of box 1.
The box body 1 is of a semi-cylindrical shell structure, the box door 4 is rotatably sleeved outside the box body 1, and the box door 4 is of a semi-cylindrical shell structure.
The mounting plate 14 is installed inside the support 6 through screws, the mounting plate 14 is in a strip shape, and the mounting plate 14 is used for mounting electrical components.
The online observation mechanism 5 comprises a motor 51, a screw rod 52, a sliding block 53 and a camera 54, a sliding groove is formed in the inner wall of the box body 1, the motor 51 is installed in the sliding groove, the screw rod 52 is connected to an output shaft of the motor 51, the sliding block 53 is sleeved on the screw rod 52 through threads, the sliding block 53 is slidably installed in the sliding groove, and the camera 54 is installed on the side edge of the sliding block 53.
The exhaust mechanism 7 includes a cone cover 71, a cross 72, a first spring 73, and a steel ball 74, the cone cover 71 penetrates the case 1, the cross 72 is fixed inside the cone cover 71, and the steel ball 74 is connected to the cross 72 through the spring 73.
The blowing mechanism 13 comprises a fan 131, a filter 132, an air pipe 133, a main pipe 134 and a spray pipe 135, wherein the fan 131 penetrates through the box body 1, an air outlet of the fan 131 is communicated with the main pipe 134 through the air pipe 133, the main pipe 134 is fixed on the inner wall of the box body 1, the filter 132 is installed on a pipe section of the air pipe 133, and the side edge of the main pipe 134 is communicated with the spray pipe 135.
Install check valve 16 on the pipeline section of tuber pipe 133, the side of box 1 is rotated and is installed receiver 11, it has shroud 8 to articulate on the receiver 11, and dry powder fire extinguisher 9 is installed through clamping mechanism 10 in the inside of receiver 11, and trachea 15 and the person in charge 134 intercommunication are passed through in the export of dry powder fire extinguisher 9, and receiver 11 passes through positioning mechanism 12 to be fixed on box 1.
The clamping mechanism 10 comprises a screw 101 and a clamping plate 102, the screw 101 penetrates through the storage box 11, the screw 101 is in threaded connection with the storage box 11, the screw 101 is rotatably sleeved with the arc-shaped clamping plate 102, and the dry powder fire extinguisher 9 is clamped inside the storage box 11 through the clamping plate 102.
The positioning mechanism 12 comprises a guide rod 121, a limiting ring 122, a second spring 123 and a fixing block 124, the fixing block 124 is fixed at the bottom of the storage box 11, the guide rod 121 penetrates the fixing block 124 in a sliding mode, the limiting ring 122 is fixedly sleeved on the guide rod 121, the spring 123 is sleeved on the guide rod 121 and located between the limiting ring 122 and the fixing block 124, and a hemispherical slot is formed in the side edge of the box body 1.
The working principle is as follows: in the invention, the electric components are arranged on the mounting plate 14, the annular guide rail 2 is fixed in the box body 1, the rotating plate 17 is sleeved in the guide rail 2 in a rotating manner, the mounting plate 14 can be driven to rotate by the rotation of the rotating plate 17 in the guide rail 2, and thus, two surfaces of the mounting plate 14 can be mounted, the electric components can be dispersedly mounted, the stacking together is avoided, the interference among the components is reduced, and the mounting convenience is improved;
the box 1 is the half-cylinder shell structure, and box door 4 has been cup jointed in the outside rotation of box 1, and box door 4 is the half-cylinder shell structure, and box door 4 can directly accomodate the back of box 1, and box door 4 can not cause the interference when the operation like this, has improved the convenience of operation greatly.
The output shaft of motor 51 has lead screw 52, lead screw 52 has cup jointed slider 53 through the screw thread, slider 53 slidable mounting is in the spout, camera 54 is installed to slider 53's side, motor 51 drives lead screw 52 and rotates, lead screw 52 drive slider 53 through with the screw thread transmission between the slider 53 and remove, slider 53 drives camera 54 and removes, camera 54 can monitor the box 1 is inside like this, need not to open the inside condition of box 1 can real-time long-range seeing box 1 like this.
The fan 131 penetrates through the box body 1, an air outlet of the fan 131 is communicated with a main pipe 134 through an air pipe 133, the main pipe 134 is fixed on the inner wall of the box body 1, a filter 132 is installed on a pipe section of the air pipe 133, a side edge of the main pipe 134 is communicated with a spray pipe 135, the conical cover 71 penetrates through the box body 1, a cross 72 is fixed inside the conical cover 71, the cross 72 is connected with a steel ball 74 through a spring 73, cold air generated by the fan 131 is blown inside the box body 1 through the air pipe 133, the main pipe 134 and the spray pipe 135, heat dissipation is carried out on electric components inside the box body 1, the arranged filter 132 can ensure that the blown cold air is dry, accordingly, air exchange can be carried out inside the box body 1, internal moisture is removed, and normal operation of the electric components inside the box body 1 is ensured.
A containing box 11 is rotatably arranged on the side edge of the box body 1, a cover 8 is hinged on the containing box 11, a dry powder fire extinguisher 9 is arranged in the containing box 11 through a clamping mechanism 10, the outlet of the dry powder fire extinguisher 9 is communicated with a main pipe 134 through an air pipe 15, the containing box 11 is fixed on the box body 1 through a positioning mechanism 12, a one-way valve 16 is arranged on the pipe section of the air pipe 133, when a fire occurs in the box body 1, a fixed block 124 is fixed at the bottom of the containing box 11, a guide rod 121 penetrates through the fixed block 124 in a sliding manner, a limiting ring 122 is fixedly sleeved on the guide rod 121, a spring 123 is sleeved on the guide rod 121, the spring 123 is positioned between the limiting ring 122 and the fixed block 124, the guide rod 121 is pulled out from a slot, so that the containing box 11 is turned over, the fire extinguishing agent in the dry powder fire extinguisher 9 is mixed, so that the dry powder fire extinguisher 9 can be started, the mixed fire extinguishing agent is introduced into the main pipe 134 through the air pipe 15 and is sprayed out through a spray pipe 135, thereby achieving fire extinguishing of the inside of the case 1.
The screw 101 runs through the storage box 11, the screw 101 is in threaded connection with the storage box 11, the screw 101 is rotatably sleeved with an arc-shaped clamping plate 102, and the dry powder fire extinguisher 9 is clamped inside the storage box 11 through the clamping plate 102.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.
Claims (9)
1. The utility model provides a dampproofing block terminal that radiating effect is good, includes box (1), its characterized in that, the inside of box (1) is fixed with annular guide rail (2), rotor plate (17) have been cup jointed in the inside rotation of guide rail (2), the top of rotor plate (17) is fixed with support (6), support (6) are the rectangular frame structure, the internally mounted of box (1) has online observation mechanism (5) of usefulness to electric parts observation and sweeps mechanism (13), exhaust mechanism (7) are installed at the top of box (1), gyro wheel (3) are installed to the bottom of box (1).
2. The moisture-proof distribution box with the good heat dissipation effect according to claim 1, wherein the box body (1) is of a semi-cylindrical shell structure, the box door (4) is rotatably sleeved outside the box body (1), and the box door (4) is of a semi-cylindrical shell structure.
3. The moisture-proof distribution box with the good heat dissipation effect as recited in claim 1, wherein a mounting plate (14) is mounted inside the bracket (6) through screws, the mounting plate (14) is in a strip shape, and the mounting plate (14) is used for mounting electrical components.
4. The moisture-proof distribution box with the good heat dissipation effect according to claim 1, wherein the online observation mechanism (5) comprises a motor (51), a screw rod (52), a sliding block (53) and a camera (54), a sliding groove is formed in the inner wall of the box body (1), the motor (51) is installed in the sliding groove, the screw rod (52) is connected to an output shaft of the motor (51), the sliding block (53) is sleeved on the screw rod (52) through threads, the sliding block (53) is installed in the sliding groove in a sliding mode, and the camera (54) is installed on the side edge of the sliding block (53).
5. The moisture-proof distribution box with the good heat dissipation effect according to claim 1, wherein the exhaust mechanism (7) comprises a conical cover (71), a cross (72), a first spring (73) and a steel ball (74), the conical cover (71) penetrates through the box body (1), the cross (72) is fixed inside the conical cover (71), and the steel ball (74) is connected to the cross (72) through the spring (73).
6. The moisture-proof distribution box with the good heat dissipation effect according to claim 1, wherein the blowing mechanism (13) comprises a fan (131), a filter (132), an air pipe (133), a main pipe (134) and a spray pipe (135), the fan (131) penetrates through the box body (1), an air outlet of the fan (131) is communicated with the main pipe (134) through the air pipe (133), the main pipe (134) is fixed on the inner wall of the box body (1), the filter (132) is installed on a pipe section of the air pipe (133), and the side edge of the main pipe (134) is communicated with the spray pipe (135).
7. The moisture-proof distribution box with the good heat dissipation effect as claimed in claim 6, wherein the pipe section of the air pipe (133) is provided with the check valve (16), the side of the box body (1) is rotatably provided with the storage box (11), the storage box (11) is hinged with the cover cap (8), the dry powder fire extinguisher (9) is arranged in the storage box (11) through the clamping mechanism (10), the outlet of the dry powder fire extinguisher (9) is communicated with the main pipe (134) through the air pipe (15), and the storage box (11) is fixed on the box body (1) through the positioning mechanism (12).
8. The moisture-proof distribution box with the good heat dissipation effect according to claim 7, wherein the clamping mechanism (10) comprises a screw rod (101) and a clamping plate (102), the screw rod (101) penetrates through the storage box (11), the screw rod (101) is in threaded connection with the storage box (11), the screw rod (101) is rotatably sleeved with the arc-shaped clamping plate (102), and the dry powder fire extinguisher (9) is clamped inside the storage box (11) through the clamping plate (102).
9. The moisture-proof distribution box with the good heat dissipation effect as recited in claim 7, wherein the positioning mechanism (12) comprises a guide rod (121), a limiting ring (122), a second spring (123) and a fixing block (124), the fixing block (124) is fixed at the bottom of the storage box (11), the guide rod (121) penetrates through the fixing block (124) in a sliding manner, the limiting ring (122) is fixedly sleeved on the guide rod (121), the spring (123) is located between the limiting ring (122) and the fixing block (124), and a hemispherical slot is formed in the side edge of the box body (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110601247.9A CN113300247A (en) | 2021-05-31 | 2021-05-31 | Dampproofing block terminal that radiating effect is good |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110601247.9A CN113300247A (en) | 2021-05-31 | 2021-05-31 | Dampproofing block terminal that radiating effect is good |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113300247A true CN113300247A (en) | 2021-08-24 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110601247.9A Pending CN113300247A (en) | 2021-05-31 | 2021-05-31 | Dampproofing block terminal that radiating effect is good |
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| Country | Link |
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| CN (1) | CN113300247A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN114172110A (en) * | 2021-11-15 | 2022-03-11 | 安徽明远电力设备制造有限公司 | An airtight high-voltage cable branch box |
| CN116111462A (en) * | 2021-11-09 | 2023-05-12 | 贵州电网有限责任公司 | A distribution PT primary neutral point grounding intelligent knife switch |
| CN116808473A (en) * | 2022-11-23 | 2023-09-29 | 荣发磊 | Intelligent fire extinguishing alarm device and method applied to distribution box |
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