CN117810721A - Device and method for preventing reverse power transmission - Google Patents
Device and method for preventing reverse power transmission Download PDFInfo
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- CN117810721A CN117810721A CN202311593655.XA CN202311593655A CN117810721A CN 117810721 A CN117810721 A CN 117810721A CN 202311593655 A CN202311593655 A CN 202311593655A CN 117810721 A CN117810721 A CN 117810721A
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- electroscope
- power transmission
- reverse power
- wire
- butt joint
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- 230000005540 biological transmission Effects 0.000 title claims abstract description 48
- 238000000034 method Methods 0.000 title claims abstract description 13
- 238000012360 testing method Methods 0.000 claims abstract description 38
- 210000001503 joint Anatomy 0.000 claims abstract description 27
- 238000001514 detection method Methods 0.000 claims abstract description 12
- 230000005611 electricity Effects 0.000 claims abstract description 7
- 239000002184 metal Substances 0.000 claims abstract description 7
- 230000002265 prevention Effects 0.000 claims abstract description 5
- 230000000007 visual effect Effects 0.000 claims description 15
- 230000001681 protective effect Effects 0.000 claims description 8
- 230000000712 assembly Effects 0.000 description 7
- 238000000429 assembly Methods 0.000 description 7
- 238000003032 molecular docking Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 229910052754 neon Inorganic materials 0.000 description 2
- GKAOGPIIYCISHV-UHFFFAOYSA-N neon atom Chemical compound [Ne] GKAOGPIIYCISHV-UHFFFAOYSA-N 0.000 description 2
- 241000270728 Alligator Species 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
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
- 230000001960 triggered effect Effects 0.000 description 1
Abstract
The invention discloses a device and a method for preventing reverse power transmission, and relates to the technical field of reverse power transmission prevention. The device for preventing reverse power transmission comprises: the anti-reverse power transmission wire is arranged at the tail part of the electroscope body; one end of the anti-reverse power transmission wire, which is far away from the electroscope main body, is connected with a second power clamp; the front end of the electroscope body is connected with an electroscope component, a fixing component is arranged on the outer wall of the electroscope body and is used for installing the anti-reverse power transmission device to the switch connection part; the electricity testing assembly comprises a wire main body, a butt joint end head and a first power supply clamp, one end of the wire main body is connected with a metal body in the electricity testing pen main body, the other end of the wire main body is connected with one end of the butt joint end head, and the other end of the butt joint end head is connected with the tail of the first power supply clamp. The device and the method for preventing reverse power transmission can liberate the hands of a detection person and continuously detect the circuit.
Description
Technical Field
The invention relates to the technical field of reverse power transmission prevention, in particular to a reverse power transmission prevention device and method.
Background
The test pencil is also called a test pencil, namely a test pencil for short, is an electrical tool and is used for testing whether an electric wire is electrified or not, a neon bulb is arranged in a pencil body, and if the neon bulb emits light during testing, the lead is electrified or is a live wire of a passage, so that the condition of reverse power transmission is prevented, and an additional reverse power transmission preventing structure is additionally arranged on the test pencil to be communicated with the ground.
In the prior art, as disclosed in chinese patent CN201118276Y, a reverse power transmission preventing device for a leakage switch is that a power supply is connected with a trip TK through an amplifying and controlling circuit, the circuit is connected with a group of secondary coils L1 of a current transformer, one path of the other group of secondary coils of the current transformer, namely a test coil L2, is directly connected with a working voltage end, and the other path of secondary coils of the current transformer is connected with the working voltage end through a resistor R and a test button which are connected in series; an intermediate relay KA is added at the working voltage access end of the external circuit self-contained generator set. According to the prior art, the circuit for realizing leakage protection in the leakage switch is improved, so that a user's self-contained engine is disconnected from the system when the engine is started, and the safety of the system is ensured. .
However, in this prior art document, when detecting the electric circuit, it is required to use the electroscope to detect the circuit in advance, and just can carry out the next operation after judging whether there is electric current in this circuit, and at present the electroscope is in the use, need to manually communicate the nib metal body of electroscope with the wire, when the inspector needs to carry out other operations, just can't maintain the state that electroscope and wire are connected, therefore, there is the problem that can't carry out continuous detection to the circuit in the in-process of actual operation.
Disclosure of Invention
In order to solve the defects in the prior art, the invention provides a device and a method for preventing reverse power transmission, which can liberate the hands of a detection person and continuously detect a circuit.
The invention adopts the following technical scheme.
In a first aspect, the present invention provides an apparatus for preventing reverse power transmission, comprising: the anti-reverse power transmission wire is arranged at the tail part of the electroscope body; one end of the anti-reverse power transmission wire, which is far away from the electroscope main body, is connected with a second power supply clamp; the front end of the electroscope body is connected with an electroscope assembly, a fixing assembly is arranged on the outer wall of the electroscope body, and the fixing assembly is used for installing the anti-reverse power transmission device to the switch connection part; the electricity testing assembly comprises a wire main body, a butt joint end socket and a first power supply clamp, one end of the wire main body is connected with a metal body in the electricity testing pen main body, the other end of the wire main body is connected with one end of the butt joint end socket, and the other end of the butt joint end socket is connected with the tail of the first power supply clamp.
Preferably, the outer wall fixed mounting of wire main part has the protective sheath, and the outer wall of protective sheath is provided with audible-visual annunciator, audible-visual annunciator is provided with the connecting wire, and the one end and the audible-visual annunciator fixed connection of connecting wire, the other end fixed connection is on the inner wall of first power clamp, and audible-visual annunciator is parallelly connected with the wire main part.
Preferably, a limit groove is formed in one side, close to the first power clamp, of the butt joint end head, and the connecting wire is embedded in the limit groove.
Preferably, the butt joint end is provided with a limiting piece on the outer wall corresponding to the limiting groove, and the limiting piece is in contact with the connecting wire and used for pressing the connecting wire in the limiting groove.
Preferably, the fixed subassembly includes butt joint casing, stopper and splint, fixed connection between one side of butt joint casing and the outer wall of electroscope main part, stopper fixed mounting is in the bottom of butt joint casing, splint movably set up in the below of stopper to be connected with the stopper, form the opening that is used for connecting the switch between stopper and the splint.
Preferably, one side of stopper is provided with the extension board, is provided with the nut in the extension board rotationally, and the vertical setting of axial of nut, and the screw rod runs through the nut through threaded connection, the perpendicular fixed connection of one end and splint of screw rod.
Preferably, the side of stopper keep away from the extension board is fixed mounting has the non slipping spur.
Preferably, one side of the limiting block, which is close to the clamping plate, is symmetrically provided with two arc-shaped grooves, and the distance between the connecting plate between the two arc-shaped grooves and the top surface of the limiting block is smaller than the distance between the bottom surface and the top surface of the limiting block.
Preferably, the end part of the main body of the electroscope is provided with a plurality of electroscope components, the number of the electroscope components is eight, four electroscope components are arranged at the front end of the main body of the electroscope in a circumferential array, and the other four electroscope components are arranged in the four electroscope components in a circumferential array.
The invention has the beneficial effects that compared with the prior art: according to the invention, the fixing component is additionally arranged on the outer wall of the electroscope, so that the electroscope main body can be directly fixed near the switch, and therefore, the electroscope main body does not need to be held by hands for operation.
Furthermore, in order to firmly fix the fixed component and the switch, the clamping plate capable of moving up and down is arranged below the limiting block of the fixed component, the clamping plate is conveniently butted to the switch by rotating the nut to release the screw rod, and the connecting part of the switch is clamped between the limiting block and the clamping plate. Meanwhile, the arc-shaped groove is arranged on one side of the limiting block, which is close to the clamping plate, and the clamping plate is matched with the arc-shaped groove for common use, so that the friction force between the limiting block and the connecting part of the switch can be improved, the switch structure with different sizes can be adapted,
furthermore, the end part of the main body of the test pencil is provided with the plurality of test assemblies, each test assembly is provided with the lead main body and the first power clamp, and different circuits can be butted, so that the condition that the circuits are easy to be confused is avoided in the actual detection process, the time spent in test is saved, meanwhile, the lead main body is additionally provided with the audible and visual alarm which is directly connected with the first power clamp through the connecting wire, when the first power clamp is connected to the circuits, if current exists in the circuits, the audible and visual alarm is directly contacted, the maintenance time is further saved, and the test pencil has the effect that the plurality of circuits can be detected for a single time and the circuits are not mixed compared with the original single metal contact head of the test pencil.
Drawings
Fig. 1 is a schematic perspective view of a novel anti-reverse power transmission device according to the present invention;
FIG. 2 is a front view of a novel anti-reverse power transmission device according to the present invention;
fig. 3 is a schematic perspective view of an electroscope assembly of the novel anti-reverse power transmission device according to the present invention;
fig. 4 is an enlarged schematic view of the structure of the portion a in fig. 3 according to the present invention.
Legend description: 1. a test pencil body; 2. anti-reverse power transmission wires; 3. a fixing assembly; 4. an electricity testing component; 31. a butt-joint housing; 32. a limiting block; 33. an arc-shaped groove; 34. an extension plate; 35. a clamping plate; 36. a screw; 37. a nut; 38. an anti-skid block; 41. a lead body; 42. butt joint ends; 43. a first power clamp; 44. a protective sleeve; 45. an audible and visual alarm; 46. a connecting wire; 47. a limit groove; 48. and a limiting piece.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the technical solutions of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention. The embodiments described herein are merely some, but not all embodiments of the invention. All other embodiments, which can be made by those skilled in the art without making any inventive effort, are within the scope of the present invention.
Example 1
As shown in fig. 1, the embodiment provides a device for preventing reverse power transmission, which comprises a test pencil body 1 and a reverse power transmission preventing wire 2, wherein the reverse power transmission preventing wire 2 is inserted into the tail part of the test pencil body 1, and one end, far away from the test pencil body, of the reverse power transmission preventing wire 2 is connected with a second power supply clamp; the front end fixedly connected with of test pencil main part 1 tests electric subassembly 4, and fixed mounting has fixed subassembly 3 on the outer wall of test pencil main part 1, and fixed subassembly 3 is used for carrying out fixed mounting with preventing reverse power transmission device and switch junction.
Referring to fig. 3 and 4, the electroscope assembly 4 includes a lead body 41, a butt end 42 and a first power clamp 43, one end of the lead body 41 is fixedly connected with a metal body in the electroscope body 1, and the other end is inserted into the butt end 42; the tail of the first power clamp 43 is fixedly connected with the butt joint end 42, a protective sleeve 44 is fixedly arranged on the outer wall of the lead main body 41, an audible and visual alarm 45 is adhered to the outer wall of the protective sleeve 44, a connecting wire 46 is arranged in the audible and visual alarm 45, one end of the connecting wire 46 is fixedly connected with the audible and visual alarm 45, the other end of the connecting wire 46 is fixedly connected with the inner wall of the power clamp 43, a limit groove 47 is formed in one side of the butt joint end 42, the connecting wire 46 is embedded on the wall of the limit groove 47, a limit piece 48 is adhered to the outer wall of the butt joint end 42, and the limit piece 48 is in contact with the outer part of the connecting wire 46 and used for pressing the connecting wire 46 in the limit groove 47.
Wherein the first power clamp 43 and the second power clamp are preferably alligator clamps.
In a preferred but non-limiting embodiment of the present invention, a plurality of electroscope assemblies 4 are disposed at the end of the electroscope body 1, preferably, eight electroscope assemblies 4 are disposed, wherein four electroscope assemblies 4 are disposed in a circumferential array at the front end of the electroscope body 1, and the other four electroscope assemblies 4 are disposed in a circumferential array inside the four electroscope assemblies 4.
The specific arrangement and function of this embodiment are: the wire main body 41 is connected with the first power clamp 43 through the butt joint end 42, the anti-reverse power transmission wire 2 is connected with the second power clamp, when the anti-reverse power transmission wire is used, the whole device is fixed on the switch connecting component through the fixing component 3, therefore, hands of an operator can be liberated, the power clamp 43 at one end of the wire main body 41 is connected to the exposed part of a circuit, one end of the anti-reverse power transmission wire 2 is connected to the ground, the circuit to be detected can be connected with the test pencil main body 1 in series through the wire main body 41, then each circuit is connected, and the test pencil main body 1 can detect whether the circuit connected with the wire main body 41 has current or not.
If current exists in the circuit, the current triggers the audible and visual alarm 45 through the connecting wire 46, so that prompt information is sent out, the audible and visual alarm 45 is separated from the lead body 41 through the protective sleeve 44, the influence on the lead body 41 is avoided, and meanwhile, the connecting wire 46 is embedded in the limiting groove 47 of the butt joint end 42 and is pressed by the limiting piece 48, so that the looseness of the connecting wire 46 is avoided.
Example two
As shown in fig. 1 and 2, the fixing component 3 includes a docking housing 31, a limiting block 32 and a clamping plate 35, the bottom of the docking housing 31 is fixedly connected with the top of the limiting block 32, and one side of the docking housing 31 is fixedly connected with the outer wall of the electroscope body 1. Two arc grooves 33 are symmetrically arranged at the bottom of the limiting block 32. One side wall of the limiting block 32 is provided with an extension plate 34, and the other side wall is provided with an anti-skid block 38. A nut 37 is rotatably provided in the extension plate 34, and the nut 37 is preferably a hexagonal nut with the axial direction of the nut 37 being vertically disposed. The screw 36 penetrates through a threaded hole of the nut 37 and is screwed with the nut 37. The clamping plate 35 is arranged below the arc-shaped groove 33, and the top surface of the clamping plate 35 is parallel to the bottom surface of the limiting block 32; the top of the clamping plate 35 is vertically and fixedly connected with one end of the screw rod 36, so that an opening for connecting a switch is formed between the clamping plate 35 and the arc-shaped groove 33; the up-down position of the screw 36 can be adjusted by turning the nut 37, thereby adjusting the size of the opening between the clamping plate 35 and the arc-shaped groove.
In a preferred but non-limiting embodiment of the present invention, the distance between the web between the two arcuate slots 33 and the top surface of the stop block 32 is less than the distance between the bottom surface and the top surface of the stop block 32.
When the anti-reverse power transmission device is fixed, the nut 37 is rotated to release the screw 36 for a certain length, then the clamping plate 35 and the limiting block 32 are inserted into the position capable of being connected in a switching mode, the arc-shaped groove 33 on the side face of the limiting block 32 can be buckled on the position, so that a certain auxiliary reinforcing effect is achieved, after the positions of the limiting block 32 and the clamping plate 35 are determined, the nut 37 is rotated, the clamping plate 35 and the arc-shaped groove 33 are clamped and attached with the mounting part, and the whole device is fixed.
Example III
The embodiment provides a method for a device based on reverse power transmission prevention, which comprises the following steps:
step one, rotating the nut 37 to enlarge the opening between the clamping plate 35 and the limiting block 32;
step two, placing a limiting block 32 at the switch connecting position and enabling the switch connecting position to be positioned in the opening;
step three, rotating the nut 37 to reduce the opening, and clamping the switch connecting part between the clamping plate 35 and the limiting block 32;
step four, clamping and connecting the first power clamp 43 with the detection circuit, and clamping and connecting the second power clamp with the ground;
step five, connecting a detection circuit, and detecting whether current exists in the whole circuit through the test pencil body 1;
and step six, if the current exists in the detection line, an alarm is sent out through the audible and visual alarm 45.
The application method and the working principle of the device are as follows: firstly, the nut 37 is rotated to release the screw 36, the clamping plate 35 is pulled away from the limiting block 32 to make enough space for butt joint with the switch connecting part, the friction coefficient can be improved due to the existence of the arc-shaped groove 33 on the limiting block 32, better stability is obtained, and after the positions of the limiting block 32 and the clamping plate 35 are determined, the nut 37 is rotated, so that the switch connecting part is clamped by the arc-shaped groove 33 and the clamping plate 35.
Then, the first power clamp 43 on the wire main body 41 is connected with the exposed part of the circuit, the second power clamp on the anti-reverse power transmission wire 2 is connected to the ground for anti-reverse power transmission, then the circuit to be detected is connected, the test pencil main body 1 can detect whether current exists in the whole circuit, and the current on each wire main body 41 can be detected by the audible and visual alarm 45.
If current exists in the lead body 41, the current can directly energize the audible and visual alarm 45 through the connecting wire 46, so that the audible and visual alarm 45 is triggered to send out prompt information, and the connecting wire 46 is pressed in the limiting groove 47 of the butt joint end 42 by the limiting piece 48, so that the lead body 41 is prevented from being wound together.
Compared with the prior art, the device has the advantages that the fixing component is additionally arranged on the outer wall of the electroscope, so that the electroscope main body can be directly fixed near the switch, and therefore, the electroscope main body does not need to be held by hands for operation, and compared with the traditional single electroscope, the device can be stably fixed near the switch for a long time, and meanwhile, due to the design of a reverse-electricity-preventing wire, the electroscope component can be always communicated with the circuit, an operator does not need to hold the electroscope by hand and keep touching the tail end of the electroscope, and long-time continuous detection is facilitated.
Furthermore, in order to firmly fix the fixed component and the switch, the clamping plate capable of moving up and down is arranged below the limiting block of the fixed component, the clamping plate is conveniently butted to the switch by rotating the nut to release the screw rod, and the connecting part of the switch is clamped between the limiting block and the clamping plate. Meanwhile, the arc-shaped groove is arranged on one side of the limiting block, which is close to the clamping plate, and the clamping plate is matched with the arc-shaped groove for common use, so that the friction force between the limiting block and the connecting part of the switch can be improved, the switch structure with different sizes can be adapted,
furthermore, the end part of the main body of the test pencil is provided with the plurality of test assemblies, each test assembly is provided with the lead main body and the first power clamp, and different circuits can be butted, so that the condition that the circuits are easy to be confused is avoided in the actual detection process, the time spent in test is saved, meanwhile, the lead main body is additionally provided with the audible and visual alarm which is directly connected with the first power clamp through the connecting wire, when the first power clamp is connected to the circuits, if current exists in the circuits, the audible and visual alarm is directly contacted, the maintenance time is further saved, and the test pencil has the effect that the plurality of circuits can be detected for a single time and the circuits are not mixed compared with the original single metal contact head of the test pencil.
Finally, it should be noted that the above embodiments are only for illustrating the technical solution of the present invention and not for limiting the same, and although the present invention has been described in detail with reference to the above embodiments, it should be understood by those skilled in the art that: modifications and equivalents may be made to the specific embodiments of the invention without departing from the spirit and scope of the invention, which is intended to be covered by the claims.
Claims (10)
1. An apparatus for preventing reverse power transmission, comprising: the anti-reverse power transmission wire (2) is arranged at the tail part of the electroscope body (1), and is characterized in that:
one end of the anti-reverse power transmission wire (2) far away from the electroscope main body (2) is connected with a second power supply clamp; the front end of the electroscope body (1) is connected with an electroscope component (4), a fixing component (3) is arranged on the outer wall of the electroscope body (1), and the fixing component (3) is used for installing an anti-reverse power transmission device to a switch connection part;
the electricity testing assembly (4) comprises a wire main body (41), a butt joint end socket (42) and a first power supply clamp (43), one end of the wire main body (41) is connected with a metal body in the electricity testing pen main body (1), the other end of the wire main body (41) is connected with one end of the butt joint end socket (42), and the other end of the butt joint end socket (42) is connected with the tail of the first power supply clamp (43).
2. The device for preventing reverse power transmission according to claim 1, wherein:
the utility model discloses a wire, including wire main part (41), outer wall fixed mounting of wire main part (41) has protective sheath (44), and the outer wall of protective sheath (44) is provided with audible-visual annunciator (45), audible-visual annunciator (45) are provided with connecting wire (46), and one end and audible-visual annunciator (45) fixed connection of connecting wire (46), the other end fixed connection is on the inner wall of first power clamp (43), and audible-visual annunciator (45) are parallelly connected with wire main part (41).
3. The device for preventing reverse power transmission according to claim 1, wherein:
a limiting groove (47) is formed in one side, close to the first power clamp (43), of the butt joint end (42), and the connecting wire (46) is embedded in the limiting groove (47).
4. A device for preventing reverse power transmission according to claim 3, wherein:
the butt joint end (42) is provided with a limiting piece (48) on the outer wall corresponding to the limiting groove (47), and the limiting piece (48) is in contact with the connecting wire (46) and used for tightly pressing the connecting wire (46) in the limiting groove (47).
5. A device for preventing reverse power transmission according to any one of claims 1 to 4, wherein:
the utility model provides a fixed subassembly (3) is including butt joint casing (31), stopper (32) and splint (35), fixed connection between one side of butt joint casing (31) and the outer wall of electroscope main part (1), stopper (32) fixed mounting is in the bottom of butt joint casing (31), splint (35) movably set up in the below of stopper (32) to be connected with stopper (32), form the opening that is used for connecting the switch between stopper (32) and splint (35).
6. The device for preventing reverse power transmission according to claim 5, wherein:
one side of stopper (32) is provided with extension board (34), is provided with nut (37) in extension board (34) rotationally, and the vertical setting of axial of nut (37), and screw rod (36) run through nut (37) through threaded connection, and the one end and the splint (35) vertical fixed connection of screw rod (36).
7. The novel reverse power transmission prevention device and method according to claim 6, wherein:
and an anti-skid block (38) is fixedly arranged on one side, far away from the extension plate (34), of the limiting block (32).
8. The novel anti-reverse power transmission device according to claim 5, wherein:
two arc grooves (33) are symmetrically formed in one side, close to the clamping plate (35), of the limiting block (32), and the distance between a connecting plate between the two arc grooves (33) and the top surface of the limiting block (32) is smaller than the distance between the bottom surface and the top surface of the limiting block (32).
9. The novel anti-reverse power transmission device according to claim 5, wherein:
the utility model discloses an electroscope, including electroscope main part (1), electroscope main part (1) tip sets up a plurality of electroscope subassemblies (4), and the quantity of electroscope subassemblies (4) is eight, and wherein four electroscope subassemblies (4) are circumference array setting in electroscope main part (1) front end, and four other electroscope subassemblies (4) are circumference array setting in the inside of aforementioned four electroscope subassemblies (4).
10. A method based on the reverse power transmission preventing device according to any one of claims 1 to 9, comprising the steps of:
step one, rotating a nut (37) to enlarge an opening between a clamping plate (35) and a limiting block (32);
step two, placing a limiting block (32) at the switch connecting part and enabling the switch connecting part to be positioned in the opening;
step three, rotating the nut (37) to reduce the opening, and clamping the switch connecting part between the clamping plate (35) and the limiting block (32);
step four, clamping and connecting a first power clamp (43) with a detection circuit, and clamping and connecting a second power clamp with the ground;
step five, connecting a detection circuit, and detecting whether current exists in the whole circuit through the electroscope body (1);
and step six, if the current exists in the detection line, an alarm is sent out through an audible and visual alarm (45).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311593655.XA CN117810721A (en) | 2023-11-27 | 2023-11-27 | Device and method for preventing reverse power transmission |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311593655.XA CN117810721A (en) | 2023-11-27 | 2023-11-27 | Device and method for preventing reverse power transmission |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN117810721A true CN117810721A (en) | 2024-04-02 |
Family
ID=90420597
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202311593655.XA Pending CN117810721A (en) | 2023-11-27 | 2023-11-27 | Device and method for preventing reverse power transmission |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN117810721A (en) |
-
2023
- 2023-11-27 CN CN202311593655.XA patent/CN117810721A/en active Pending
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