CN117741554A - Safety verification device for electric energy metering device - Google Patents
Safety verification device for electric energy metering device Download PDFInfo
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- CN117741554A CN117741554A CN202311762366.8A CN202311762366A CN117741554A CN 117741554 A CN117741554 A CN 117741554A CN 202311762366 A CN202311762366 A CN 202311762366A CN 117741554 A CN117741554 A CN 117741554A
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- test
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- wire
- test seat
- fixing frame
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- 238000012795 verification Methods 0.000 title claims abstract description 11
- 238000012360 testing method Methods 0.000 claims abstract description 140
- 230000006835 compression Effects 0.000 claims 3
- 238000007906 compression Methods 0.000 claims 3
- 238000005259 measurement Methods 0.000 abstract description 6
- 239000012212 insulator Substances 0.000 abstract description 3
- 239000002184 metal Substances 0.000 abstract description 3
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- 241000270722 Crocodylidae Species 0.000 description 4
- LNNWVNGFPYWNQE-GMIGKAJZSA-N desomorphine Chemical compound C1C2=CC=C(O)C3=C2[C@]24CCN(C)[C@H]1[C@@H]2CCC[C@@H]4O3 LNNWVNGFPYWNQE-GMIGKAJZSA-N 0.000 description 4
- 239000000523 sample Substances 0.000 description 4
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000010998 test method Methods 0.000 description 2
- 239000004677 Nylon Substances 0.000 description 1
- 239000000654 additive Substances 0.000 description 1
- 230000000996 additive effect Effects 0.000 description 1
- 210000000078 claw Anatomy 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000009778 extrusion testing Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 229920001778 nylon Polymers 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
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- Testing Electric Properties And Detecting Electric Faults (AREA)
Abstract
The invention provides a safety verification device for an electric energy metering device, which comprises a test wire, a test seat and a fixing frame, wherein the test wire is connected with the test seat; the test device comprises a fixing frame, a plurality of test seats and a plurality of test wires, wherein one end of each test seat can be embedded into a junction box of the electric energy metering device, each test seat corresponds to a junction hole of the junction box, each test wire is embedded into one test seat, the other end of each test wire is connected with a corresponding test instrument, and the fixing frame can be clamped on the outer wall of the junction box. The invention meets the wiring measurement of various dimension specifications, the dimension adjustment and the flexible movement of the position of the test seat; the telescopic test seat is safer and more reliable, and when the test wire is not inserted into the test seat, the spring needle of the test seat is in a contracted state and is not contacted with the electrified screw with the test; the safety performance is improved, the protection is strengthened to the staff, the measuring seat and the testing wire are hidden, and the staff is not easy to touch the metal electrified body wrapped in the insulator.
Description
Technical Field
The invention relates to the technical field of safety verification of an electric energy metering device, in particular to a safety verification device for the electric energy metering device.
Background
Three-phase electric energy meters are used in a three-phase four-wire power supply network in the electric power system, and the meters are connected to the input end of the junction box through short-circuit jumper wires and then connected with a user line through output holes to supply power. The junction box is used for facilitating the transformer area to check three-phase voltage, current, phase and other parameters through the tester. The test wire of the detector is in a meter pen type or crocodile clip type, and when the detection is needed, the cover plate of the junction box is opened, and the meter pen type or crocodile clip is lapped on the binding post screw. During operation, the crocodile clip, the meter pen and the screw are in poor contact, and because the wiring box is internally provided with compact layout, the meter pen is easy to generate short circuit, personnel electric shock and other accidents. The existing measuring method has potential safety hazards, electric shock or electric safety accidents causing additive short circuit are easy to occur, the meter pen or crocodile clamp of the test line is unstable in clamping, the measuring result is influenced, a worker is required to hold the test meter pen all the time during measurement, the short circuit of the test meter pen is required to be stopped, the test instrument is required to be observed, and the test instrument is easy to distract, so that the potential safety hazard exists.
Disclosure of Invention
The invention aims to provide a safety verification device for an electric energy metering device, which solves the technical problem of compatibility with the electric energy metering device with multiple specifications under the condition of ensuring safety.
In one aspect, there is provided a safety verification device for an electric energy metering device, comprising:
test wire, test seat and fixing frame; the test device comprises a fixing frame, a plurality of test seats and a plurality of test wires, wherein one end of each test seat can be embedded into a junction box of the electric energy metering device, each test seat corresponds to a junction hole of the junction box, each test wire is embedded into one test seat, the other end of each test wire is connected with a corresponding test instrument, and the fixing frame can be clamped on the outer wall of the junction box.
Preferably, the fixing frame comprises a fixing block, a connecting rod and a movable block, wherein the fixing block is fixed at one end of the connecting rod, the movable block is sleeved on the movable rod and can slide on the movable rod, and a plurality of test seats are arranged between the fixing block and the movable block.
Preferably, an adjusting nut is further arranged on the connecting rod, the adjusting nut is arranged adjacent to the movable block, and the adjusting nut is used for locking the movable block on the junction box.
Preferably, the test seat is sleeved on the connecting rod and slidably arranged between the fixed block and the movable block.
Preferably, the test seat is barrel-shaped, one end of the test seat is provided with a jack for embedding the test wire, the outer wall of one side of the jack is provided with an outwardly extending fixing part, the fixing part is sleeved on the connecting rod, and the other end of the test seat is provided with a test spring needle.
Preferably, one end of the test wire is provided with a pressing thimble, the pressing thimble can be embedded into the jack and is fixed in contact with the test spring needle, and an insulating jacket is arranged outside the pressing thimble.
Preferably, one end of the test bullet needle extends outwards out of the test seat, and the other end of the test bullet needle is provided with a protruding part, and when the test wire is embedded into the test seat, the protruding part is in contact fixation with the pressing thimble.
Preferably, an insulating housing is arranged on the outer wall of the test seat.
In summary, the embodiment of the invention has the following beneficial effects:
the safety verification device for the electric energy metering device provided by the invention can meet wiring measurement of various dimension specifications, the dimension is adjusted, and the position of the test seat can be flexibly moved; the telescopic test seat is safer and more reliable, and when the test wire is not inserted into the test seat, the spring needle of the test seat is in a contracted state and is not contacted with the electrified screw with the test; after the test position is adjusted, when the test wire is inserted, the probe in the seat is pushed out by the test wire thimble to be contacted with the electrified screw, and the test wire is communicated with the electrified body in the junction box; the socket and plug type test method is adopted to ensure more reliable contact, and a worker is not required to hold the test meter pen all the time for measurement; the safety performance is improved, the protection is strengthened to the staff, the measuring seat and the testing wire are hidden, and the staff is not easy to touch the metal electrified body wrapped in the insulator.
Drawings
In order to more clearly illustrate the embodiments of the invention or the technical solutions of the prior art, the drawings which are required in the description of the embodiments or the prior art will be briefly described, it being obvious that the drawings in the description below are only some embodiments of the invention, and that it is within the scope of the invention to one skilled in the art to obtain other drawings from these drawings without inventive faculty.
Fig. 1 is a schematic diagram of a safety verification device for an electric energy metering device according to an embodiment of the present invention.
FIG. 2 is a schematic diagram of a test socket according to an embodiment of the invention.
FIG. 3 is a schematic diagram of a test socket according to an embodiment of the invention.
FIG. 4 is a schematic diagram of a test line according to an embodiment of the invention.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings, for the purpose of making the objects, technical solutions and advantages of the present invention more apparent.
Fig. 1 is a schematic diagram of an embodiment of a security check device for an electric energy meter according to the present invention. In this embodiment, it includes:
test line 1, test seat 2 and fixing frame; the test device comprises a fixing frame, wherein a plurality of test seats 2 and a plurality of test wires 1 are arranged on the fixing frame, one end of each test seat 2 can be embedded into a junction box 7 of an electric energy metering device, each test seat 2 corresponds to a junction hole of the junction box 7, each test wire 1 is embedded into one test seat 2, the other end of each test wire 1 is connected with a corresponding test instrument, and the fixing frame can be clamped on the outer wall of the junction box 7. That is, the clamping height of the fixing frame is adjustable, and the fixing frame can move left and right, so that the screw positions on different wiring boards can be conveniently found; the position of the sliding test seat 2 on the connecting rod 5 is aligned with the position of the locking screw on the junction box 7, and a plurality of test paths are required to be tested, so that a plurality of test positions are required to be adjusted; one end plug of the test wire 1 is connected to the instrument, and the other end plug is inserted into the test seat 2, and the pressing thimble 101 pushes out the test probe in the extrusion test seat 2 until the test probe contacts the electrified wiring locking screw. The friction force between the end of the test wire 1 and the inner wall of the test seat 2 is larger than the elastic force of the elastic needle, so that the elastic needle always keeps good contact with the wiring screw.
In one embodiment, the fixing frame includes a fixed block 3, a connecting rod 5, and a movable block 4, where the fixed block 3 is fixed at one end of the connecting rod 5, the movable block 4 is sleeved on the movable rod and can slide on the movable rod, and a plurality of test seats 2 are disposed between the fixed block 3 and the movable block 4. That is, the fixing frame is made of insulating nylon or plastic materials, and the fixing block 3, the connecting rod 5 and the adjusting nut 6 are respectively provided with a fast moving structure. The distance between the movable plate and the fixed plate is adjusted by adjusting the nut 6 to meet the different sizes of the junction boxes 7.
In one embodiment, an adjusting nut 6 is further disposed on the connecting rod 5, the adjusting nut 6 is disposed adjacent to the movable block 4, and the adjusting nut 6 is used for locking the movable block 4 to the junction box 7. That is, the adjusting bolt is a claw type, can be screwed manually without tools, and is more convenient to operate.
In one embodiment, as shown in fig. 2 and 3, the test socket 2 is barrel-shaped, one end of the test socket 2 is provided with a jack 201 for embedding the test wire 1, an outer wall of one side of the jack 201 is provided with a fixing portion 202 extending outwards, the fixing portion 202 is sleeved on the connecting rod 5, and the other end of the test socket 2 is provided with a test spring needle 203. The test seat 2 is sleeved on the connecting rod 5 and slidably arranged between the fixed block 3 and the movable block 4. An insulating shell is arranged on the outer wall of the test seat 2.
In one embodiment, as shown in fig. 4, a pressing thimble 101 is disposed at one end of the test wire 1, the pressing thimble 101 may be embedded in the jack 201 and fixed in contact with the test pin 203, and an insulating jacket 102 is disposed outside the pressing thimble 101.
In one embodiment, one end of the test pin 203 extends out of the test seat 2, and the other end of the test pin 203 is provided with a protruding portion, and when the test wire 1 is embedded in the test seat 2, the protruding portion is fixed in contact with the pressing thimble 101.
In summary, the embodiment of the invention has the following beneficial effects:
the safety verification device for the electric energy metering device provided by the invention can meet wiring measurement of various dimension specifications, the dimension is adjusted, and the position of the test seat can be flexibly moved; the telescopic test seat is safer and more reliable, and when the test wire is not inserted into the test seat, the spring needle of the test seat is in a contracted state and is not contacted with the electrified screw with the test; after the test position is adjusted, when the test wire is inserted, the probe in the seat is pushed out by the test wire thimble to be contacted with the electrified screw, and the test wire is communicated with the electrified body in the junction box; the socket and plug type test method is adopted to ensure more reliable contact, and a worker is not required to hold the test meter pen all the time for measurement; the safety performance is improved, the protection is strengthened to the staff, the measuring seat and the testing wire are hidden, and the staff is not easy to touch the metal electrified body wrapped in the insulator.
The foregoing disclosure is illustrative of the present invention and is not to be construed as limiting the scope of the invention, which is defined by the appended claims.
Claims (8)
1. A safety verification device for an electric energy metering device, comprising:
test wire, test seat and fixing frame; the test device comprises a fixing frame, a plurality of test seats and a plurality of test wires, wherein one end of each test seat can be embedded into a junction box of the electric energy metering device, each test seat corresponds to a junction hole of the junction box, each test wire is embedded into one test seat, the other end of each test wire is connected with a corresponding test instrument, and the fixing frame can be clamped on the outer wall of the junction box.
2. The device of claim 1, wherein the fixing frame comprises a fixing block, a connecting rod and a movable block, the fixing block is fixed at one end of the connecting rod, the movable block is sleeved on the movable rod and can slide on the movable rod, and a plurality of test seats are arranged between the fixing block and the movable block.
3. The apparatus of claim 2, wherein said connecting rod is further provided with an adjustment nut, said adjustment nut being disposed adjacent said movable block, said adjustment nut being adapted to lock said movable block to said terminal block.
4. The device of claim 3, wherein the test seat is sleeved on the connecting rod and slidably disposed between the fixed block and the movable block.
5. The device of claim 4, wherein the test seat is barrel-shaped, one end of the test seat is provided with a jack for embedding the test wire, the outer wall of one side of the jack is provided with an outwardly extending fixing part, the fixing part is sleeved on the connecting rod, and the other end of the test seat is provided with a test spring needle.
6. The device of claim 5, wherein a compression thimble is disposed at one end of the test wire, the compression thimble being insertable into the receptacle and in contact with the test pin, the compression thimble being externally provided with an insulating jacket.
7. The device of claim 6, wherein one end of the test pin extends out of the test seat, and the other end of the test pin is provided with a protruding portion, and the protruding portion is fixed in contact with the pressing thimble when the test wire is inserted into the test seat.
8. The apparatus of claim 7, wherein the test seat outer wall is provided with an insulating housing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311762366.8A CN117741554A (en) | 2023-12-19 | 2023-12-19 | Safety verification device for electric energy metering device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311762366.8A CN117741554A (en) | 2023-12-19 | 2023-12-19 | Safety verification device for electric energy metering device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN117741554A true CN117741554A (en) | 2024-03-22 |
Family
ID=90280618
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202311762366.8A Pending CN117741554A (en) | 2023-12-19 | 2023-12-19 | Safety verification device for electric energy metering device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN117741554A (en) |
-
2023
- 2023-12-19 CN CN202311762366.8A patent/CN117741554A/en active Pending
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