CN220830247U - Inverted power supply protection opening and closing structure - Google Patents
Inverted power supply protection opening and closing structure Download PDFInfo
- Publication number
- CN220830247U CN220830247U CN202322472332.7U CN202322472332U CN220830247U CN 220830247 U CN220830247 U CN 220830247U CN 202322472332 U CN202322472332 U CN 202322472332U CN 220830247 U CN220830247 U CN 220830247U
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- sleeve member
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- steel needle
- metal cup
- power supply
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- 239000002184 metal Substances 0.000 claims description 48
- 229910000831 Steel Inorganic materials 0.000 claims description 23
- 239000010959 steel Substances 0.000 claims description 23
- 238000001125 extrusion Methods 0.000 claims description 16
- 230000009471 action Effects 0.000 claims description 8
- 230000001681 protective effect Effects 0.000 claims description 2
- 238000010276 construction Methods 0.000 abstract description 3
- 230000000694 effects Effects 0.000 abstract description 2
- 229920000297 Rayon Polymers 0.000 description 3
- 230000008859 change Effects 0.000 description 3
- 238000001514 detection method Methods 0.000 description 3
- 238000007789 sealing Methods 0.000 description 3
- 230000006835 compression Effects 0.000 description 2
- 238000007906 compression Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000013459 approach Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 230000005489 elastic deformation Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
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- Arrangement Of Elements, Cooling, Sealing, Or The Like Of Lighting Devices (AREA)
Abstract
The utility model relates to an inverted power supply protection opening and closing structure, which comprises: a first set; a second sleeve member having a bottom portion hinged to the first sleeve member; the locking assembly is suitable for fixedly connecting the tops of the first sleeve member and the second sleeve member and forming the first sleeve member and the second sleeve member into an annular structure; the semicircular groove is formed in the middle of the inner cavity of the first sleeve member and the inner cavity of the second sleeve member; the semicircular grooves are respectively provided with the roller type mutual inductance coil; the indication lamp holder is fixed on the side wall of the first sleeve or the second sleeve and is electrically connected with the roller type mutual inductance coil; through the setting of hasp subassembly, can conveniently dismantle whole device from the trunk, accord with the safety operation manual agreement in a plurality of regions completely, effectively promoted workman's work efficiency, through under the cooperation effect of rogowski transformer coil and instruction lamp stand, can detect the circular telegram state of trunk, effectively guaranteed the security of workman's construction.
Description
Technical Field
The utility model relates to the technical field of inverted power supply protection, in particular to an inverted power supply protection opening and closing structure.
Background
At present, when the power grid is overhauled, after a power supply system of an area where an overhauling line is located is closed, overhauling personnel perform overhauling at high-altitude operation, because an overhead cable is inevitably connected with a line to enter a user, and partial users (such as schools, markets and factories) can install a generator so as to ensure normal power supply without influencing normal operation of an electric appliance when power is cut off, the phenomenon that the power is supplied onto the overhead main line from the user self-provided generator in an inverted mode to enable the main line to be still electrified exists when the power is cut off, if a constructor cuts off the power supply system on the main line, under the condition that no anti-falling power supply treatment exists, the overhauling personnel perform overhauling in a trade mode, and extremely potential safety hazards are needed, and corresponding anti-falling power supply devices for the power grid are required to be arranged for ensuring safety of the constructor.
The anti-falling power supply device product comprises two generations of technologies: the primary anti-falling power supply device is a parallel hook wire clamp, the parallel hook wire clamp is widely used in the market at present, the waterproof level is low, the electrified part is exposed outside for a long time, and the potential safety hazard is great; the protection structure of the second-generation anti-falling power supply device adopts an open-close type design, but lacks a power-off automatic detection structure and function, a protective shell is required to be manually opened by an operator, so that the maintenance efficiency is inconvenient to operate, and the protection structure collides with specifications for prohibiting personnel from approaching and touching when power is not checked by stipulating on a plurality of regional safety operation manuals, and misoperation potential safety hazards exist, so that the popularization and the use of the anti-falling power supply device are influenced.
Therefore, how to develop a reverse power protection device to improve these problems is a urgent problem for those skilled in the art.
Disclosure of utility model
In order to make up for the defects, the utility model provides an inverted power supply protection opening and closing structure, and aims to solve the problems in the background technology.
The technical scheme adopted by the utility model is as follows:
The utility model relates to an inverted power supply protection opening and closing structure, which comprises: a first set; a second sleeve member having a bottom portion hinged to the first sleeve member; the locking assembly is suitable for fixedly connecting the tops of the first sleeve member and the second sleeve member and forming the first sleeve member and the second sleeve member into an annular structure; the semicircular groove is formed in the middle of the inner cavity of the first sleeve member and the inner cavity of the second sleeve member; the semicircular grooves are respectively provided with the roller type mutual inductance coil; the indication lamp holder is fixed on the side wall of the first sleeve or the second sleeve and is electrically connected with the roller type mutual inductance coil;
To illustrate the specific structure of the latch assembly, the present utility model employs a latch assembly comprising: the mounting groove is formed in the side wall of the top of the second sleeve member; one end of the steel needle is fixedly connected with the mounting groove; the conical groove is formed in the top of the first sleeve member; the metal cup is arranged in the conical groove, and a through hole for the steel needle to pass through is formed in the bottom of the metal cup; one end of the extrusion spring is fixedly connected with the plane of the conical groove, and the other end of the extrusion spring is fixedly connected with the bottom of the metal cup; the two metal rods are arranged up and down and are positioned at the bottoms of the metal cups and the conical parts of the conical grooves; after the steel needle passes through the metal cup, under the action of the extrusion spring, the bottom of the metal cup acts on two metal rods, and the two metal rods clamp the steel needle under the action of the cone part of the cone-shaped groove to limit the movement of the steel needle; and when the permanent magnet is arranged at one side of the first sleeve member, the permanent magnet drives the metal cup to move under the action of magnetic force, so that the metal rod is separated from the steel needle.
In order to illustrate the structure of the metal cup, the utility model adopts the metal cup which is provided with a bottom surface and a guide cylinder body connected with the bottom surface.
The utility model has the beneficial effects that: the utility model relates to an inverted power supply protection opening and closing structure, which has the following advantages:
1. Before installing the whole device, a user firstly installs the rogowski transformer coil on the main line and then installs the rogowski transformer coil in the semicircular groove through viscose, then rotates the first sleeve member or the second sleeve member, under the cooperation of the lock catch assembly, the whole device can be fixed on the main line, the function of sealing the connecting parts of the main lines on two sides is realized, the damage to the connecting parts of the main lines caused by wind, rain and the like is effectively prevented, meanwhile, the whole device can adapt to the change of winter and summer temperature, and can be used in a national range, and the practicability of the whole device is further improved.
2. The staff overhauls the trunk line and breaks the floodgate, instruct the lamp stand to be in the state of extinguishing the back, the staff uses a permanent magnet to be close to the left side wall of first external member, under the magnetic force effect of permanent magnet, can make the metallic cup remove to the inner chamber left side of toper groove, after losing the metallic cup and giving the extrusion force of metallic rod, the metallic rod of upper and lower both sides will not be can continue to carry out the centre gripping to the steel needle, thereby the staff can conveniently dismantle the whole device fast this moment, accord with the safety operation manual agreement in a plurality of regions completely, workman's work efficiency has effectively been promoted.
Drawings
The utility model will be further described with reference to the drawings and examples.
Fig. 1 is a schematic front view of an overall structure of a reverse power supply protection opening and closing structure according to an embodiment of the present utility model;
Fig. 2 is a schematic diagram of a front partial sectional structure of a reverse power supply protection opening and closing structure according to an embodiment of the present utility model;
fig. 3 is a schematic diagram of a partial sectional structure of an inverted power supply protection opening and closing structure according to an embodiment of the present utility model.
In the figure: 1. a first set; 11. a conical groove; 2. a second set; 21. a mounting groove; 3. a latch assembly; 31. a metal cup; 32. extruding a spring; 33. a metal rod; 34. a steel needle; 4. a semicircular groove; 5. a rogowski transformer; 6. an indication lamp holder; 7. permanent magnets.
Detailed Description
The utility model will now be described in further detail with reference to the accompanying drawings. The drawings are simplified schematic representations which merely illustrate the basic structure of the utility model and therefore show only the structures which are relevant to the utility model.
Examples
Referring to fig. 1-3, an inverted power supply protection opening and closing structure comprises an opening and closing structure, the opening and closing structure is composed of a first sleeve member 1 and a second sleeve member 2, the bottom ends of the side walls of the first sleeve member 1 and the second sleeve member 2 are connected in a rotating mode through hinges, the upper portions of the side walls of the first sleeve member 1 and the second sleeve member 2 are fixedly connected through a locking assembly 3, the locking assembly 3 is composed of a metal cup 31, an extrusion spring 32, a metal rod 33 and a steel needle 34, a conical groove 11 is formed in the upper portion of the side wall of the first sleeve member 1, and a mounting groove 21 is formed in the upper portion of the side wall of the second sleeve member 2.
One end of the extrusion spring 32 is fixedly arranged on the inner wall (bottom) of the metal cup 31, the other end of the extrusion spring 32 is fixedly arranged on the bottom surface (plane) of the inner cavity of the conical groove 11, the steel needle 34 is fixedly arranged on the bottom surface of the inner cavity of the mounting groove 21, the steel needle 34 is in penetrating connection with the first sleeve member 1, the metal cup 31 slides on the side wall of the conical groove 11, through holes with the same diameter as the steel needle 34 are formed in the side wall of the metal cup 31, when the steel needle 34 contacts with the first sleeve member 1, transverse elastic deformation can be generated, the metal rod 33 slides on the side wall of the conical groove 11, the metal rod 33 abuts against the side wall of the metal cup 31, and the metal rod 33 is provided with two parts.
It should be noted that: after the worker overhauls the main line and breaks the brake, the Rogowski mutual inductance coil 5 cannot emit an electric signal, the lamp holder 6 is indicated to be in an extinguishing state, the worker uses a permanent magnet 7 to be close to the left side wall of the first sleeve member 1, the metal cup 31 can move to the left side of the inner cavity of the conical groove 11 under the action of the magnetic force of the permanent magnet 7, the extrusion spring 32 is in a compression state, after the extrusion force of the metal cup 31 for the metal rod 33 is lost, the metal rods 33 on the upper side and the lower side cannot continuously clamp the steel needle 34, so that the worker can conveniently and rapidly disassemble the whole device, the safety operation manual protocol of a plurality of areas is completely met, and the work efficiency of the worker is effectively improved.
The inner chamber middle part of first external member 1 and second external member 2 has all been seted up half slot 4, and the inner chamber of half slot 4 is dismantled and is installed the rogowski transformer coil 5, and the lateral wall lower part fixed mounting of second external member 2 has the instruction lamp stand 6, instructs lamp stand 6 and rogowski transformer coil 5 electric connection, and rogowski transformer coil 5 is a openable closed loop.
It should be noted that: before installing the whole device, the user firstly installs the Roche mutual inductance coil 5 on the main line and then installs in the semicircular groove 4 through viscose, then the first external member 1 or the second external member 2 is rotated, under the cooperation of the lock catch assembly 3, the whole device can be fixed on the main line, the function of sealing the connecting parts of the main lines on two sides is realized, the damage to the connecting parts of the main lines caused by wind and rain is effectively prevented, meanwhile, the whole device can adapt to the change of the temperature of winter and summer, the device can be used in the whole country, the practicability of the whole device is improved, the Roche mutual inductance coil 5 can emit an electrical number to enable the indication lamp holder 6 to be lightened before the main line is overhauled and broken by staff, the detection of the circuit electrifying state is realized, the work under the electrified state of the worker is prevented, and the construction safety of the worker is effectively ensured.
In order to illustrate the structure of the metal cup, the utility model adopts the metal cup which is provided with a bottom surface and a guide cylinder connected with the bottom surface; the guiding cylinder body can limit the metal cup to only conduct linear motion in the motion process.
The working principle of the inverted power supply protection opening and closing structure is as follows:
Before the whole device is installed, a user firstly sleeves the Rogowski mutual inductance coil 5 on a main line and then installs the Rogowski mutual inductance coil in the semicircular groove 4 through viscose, then rotates the first sleeve 1 or the second sleeve 2, so that the steel needle 34 is inserted into the first sleeve 1, under the elastic force of the extrusion spring 32, the metal rods 33 on two sides can firmly clamp the steel needle 34 under the extrusion of the side wall of the conical groove 11, the whole device is further fixed on the main line, the function of sealing the connection parts of the main lines on two sides is realized, the connection parts of the main lines are effectively prevented from being damaged by wind and rain, the whole device can adapt to the change of winter and summer festival temperature, the use is realized in a national range, the practicability of the whole device is further improved, the Rogowski mutual inductance coil 5 can emit an electrical number to enable an indication lamp holder 6 to be lightened before a worker overhauls and breaks a brake on the main line, so that the detection of a circuit electriferous state is realized, the work is prevented, and the construction safety of workers is effectively ensured;
After the worker overhauls the main line and breaks the brake, the Rogowski mutual inductance coil 5 cannot emit an electric signal, the lamp holder 6 is indicated to be in an extinguishing state, at the moment, the worker uses a permanent magnet 7 to be close to the left side wall of the first sleeve member 1, under the action of the magnetic force of the permanent magnet 7, the metal cup 31 can move to the left side of the inner cavity of the conical groove 11, the extrusion spring 32 is in a compression state, after the extrusion force of the metal cup 31 for the metal rod 33 is lost, the metal rods 33 on the upper side and the lower side cannot continuously clamp the steel needle 34, so that the worker can conveniently and rapidly disassemble the whole device, the safety operation manual protocol (the approach and touch of the worker are forbidden when the power is not tested are regulated) in a plurality of areas, and the work efficiency of the worker is effectively improved.
With the above-described preferred embodiments according to the present utility model as an illustration, the above-described descriptions can be used by persons skilled in the relevant art to make various changes and modifications without departing from the scope of the technical idea of the present utility model. The technical scope of the present utility model is not limited to the description, but must be determined according to the scope of claims.
Claims (3)
1. An inverted power supply protection opening and closing structure, characterized by comprising:
A first set;
a second sleeve member having a bottom portion hinged to the first sleeve member;
The locking assembly is suitable for fixedly connecting the tops of the first sleeve member and the second sleeve member and forming the first sleeve member and the second sleeve member into an annular structure;
the semicircular groove is formed in the middle of the inner cavity of the first sleeve member and the inner cavity of the second sleeve member;
the semicircular grooves are respectively provided with the roller type mutual inductance coil;
The indication lamp holder is fixed on the side wall of the first sleeve member or the second sleeve member and is electrically connected with the roller type mutual inductance coil.
2. The reverse power supply protection switching mechanism of claim 1, wherein the latch assembly comprises:
the mounting groove is formed in the side wall of the top of the second sleeve member;
one end of the steel needle is fixedly connected with the mounting groove;
the conical groove is formed in the top of the first sleeve member;
The metal cup is arranged in the conical groove, and a through hole for the steel needle to pass through is formed in the bottom of the metal cup;
one end of the extrusion spring is fixedly connected with the plane of the conical groove, and the other end of the extrusion spring is fixedly connected with the bottom of the metal cup;
The two metal rods are arranged up and down and are positioned at the bottoms of the metal cups and the conical parts of the conical grooves;
After the steel needle passes through the metal cup, under the action of the extrusion spring, the bottom of the metal cup acts on two metal rods, and the two metal rods clamp the steel needle under the action of the cone part of the cone-shaped groove to limit the movement of the steel needle;
And when the permanent magnet is arranged at one side of the first sleeve member, the permanent magnet drives the metal cup to move under the action of magnetic force, so that the metal rod is separated from the steel needle.
3. The back-up protective opening and closing structure according to claim 2, wherein the metal cup has a bottom surface and a guide cylinder connected to the bottom surface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322472332.7U CN220830247U (en) | 2023-09-12 | 2023-09-12 | Inverted power supply protection opening and closing structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322472332.7U CN220830247U (en) | 2023-09-12 | 2023-09-12 | Inverted power supply protection opening and closing structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220830247U true CN220830247U (en) | 2024-04-23 |
Family
ID=90725395
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322472332.7U Active CN220830247U (en) | 2023-09-12 | 2023-09-12 | Inverted power supply protection opening and closing structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220830247U (en) |
-
2023
- 2023-09-12 CN CN202322472332.7U patent/CN220830247U/en active Active
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