CN109687180B - Anti-mis-disassembly high-voltage grounding device - Google Patents
Anti-mis-disassembly high-voltage grounding device Download PDFInfo
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- CN109687180B CN109687180B CN201910132761.5A CN201910132761A CN109687180B CN 109687180 B CN109687180 B CN 109687180B CN 201910132761 A CN201910132761 A CN 201910132761A CN 109687180 B CN109687180 B CN 109687180B
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- 239000004020 conductor Substances 0.000 claims description 36
- 239000002184 metal Substances 0.000 claims description 12
- 230000002265 prevention Effects 0.000 claims description 5
- QNRATNLHPGXHMA-XZHTYLCXSA-N (r)-(6-ethoxyquinolin-4-yl)-[(2s,4s,5r)-5-ethyl-1-azabicyclo[2.2.2]octan-2-yl]methanol;hydrochloride Chemical compound Cl.C([C@H]([C@H](C1)CC)C2)CN1[C@@H]2[C@H](O)C1=CC=NC2=CC=C(OCC)C=C21 QNRATNLHPGXHMA-XZHTYLCXSA-N 0.000 claims description 2
- 230000005611 electricity Effects 0.000 abstract description 3
- 238000000034 method Methods 0.000 abstract description 3
- 230000005540 biological transmission Effects 0.000 abstract description 2
- 230000009286 beneficial effect Effects 0.000 abstract 1
- 238000010586 diagram Methods 0.000 description 3
- 238000010276 construction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000006698 induction Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R11/00—Individual connecting elements providing two or more spaced connecting locations for conductive members which are, or may be, thereby interconnected, e.g. end pieces for wires or cables supported by the wire or cable and having means for facilitating electrical connection to some other wire, terminal, or conductive member, blocks of binding posts
- H01R11/11—End pieces or tapping pieces for wires, supported by the wire and for facilitating electrical connection to some other wire, terminal or conductive member
- H01R11/12—End pieces terminating in an eye, hook, or fork
- H01R11/14—End pieces terminating in an eye, hook, or fork the hook being adapted for hanging on overhead or other suspended lines, e.g. hot line clamp
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
- G01R31/50—Testing of electric apparatus, lines, cables or components for short-circuits, continuity, leakage current or incorrect line connections
- G01R31/66—Testing of connections, e.g. of plugs or non-disconnectable joints
- G01R31/68—Testing of releasable connections, e.g. of terminals mounted on a printed circuit board
- G01R31/69—Testing of releasable connections, e.g. of terminals mounted on a printed circuit board of terminals at the end of a cable or a wire harness; of plugs; of sockets, e.g. wall sockets or power sockets in appliances
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R11/00—Individual connecting elements providing two or more spaced connecting locations for conductive members which are, or may be, thereby interconnected, e.g. end pieces for wires or cables supported by the wire or cable and having means for facilitating electrical connection to some other wire, terminal, or conductive member, blocks of binding posts
- H01R11/11—End pieces or tapping pieces for wires, supported by the wire and for facilitating electrical connection to some other wire, terminal or conductive member
- H01R11/22—End pieces terminating in a spring clip
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02G—INSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
- H02G1/00—Methods or apparatus specially adapted for installing, maintaining, repairing or dismantling electric cables or lines
- H02G1/02—Methods or apparatus specially adapted for installing, maintaining, repairing or dismantling electric cables or lines for overhead lines or cables
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- Road Signs Or Road Markings (AREA)
- Details Of Connecting Devices For Male And Female Coupling (AREA)
Abstract
The utility model provides a prevent mistake and tear high voltage earthing device open, relates to a transmission of electricity and overhauls the technique, takes place the problem of maloperation easily for solving current earthing device. The jointing clamp is in an inverted U shape, and the opening end of the jointing clamp is fixedly connected with the insulating rod; the grounding wire is connected with the jointing clamp and the grounding clamp; the arc-shaped part is positioned in the inverted U-shaped jointing clamp, and the L-shaped parts are symmetrically arranged at the upper part of the jointing clamp; the arc-shaped part is axially connected to the inner wall of the inverted U-shaped jointing clamp, the moving end of the arc-shaped part is fixedly connected with the short end of the L-shaped part, and the moving end of the arc-shaped part is clamped under the action of the elastic component; the insulating block is fixed on the long end of the L-shaped part; the female contact and the male contact are respectively arranged at the top ends of the two insulating blocks, and when the two moving ends are in a contact state, the female contact and the male contact are in close contact; when the two moving ends are in a separated state, the female contact and the male contact are separated from contact; the anti-misoperation circuit is used for warning according to the contact state of the female contact and the male contact. The ground clamp has the beneficial effect that the ground clamp is effectively prevented from being mistakenly disassembled and connected.
Description
Technical Field
The invention relates to a power transmission maintenance technology.
Background
The grounding device is a circuit structure which is connected to the shell of the electrical equipment and the like and can lead out unsafe electric charges or leakage current generated due to various reasons in time. The high-voltage grounding device is used for line and power transformation construction, and is used for preventing an adjacent charged body from generating electrostatic induction electric shock or ensuring safety when the charged body is switched on by mistake. The portable high-voltage grounding device comprises an insulating operating rod, a jointing clamp, a short circuit line, a grounding wire, a grounding terminal, a bus clamp and a grounding clamp. When in use, a high-voltage grounding wire is arranged, and a grounding end of the grounding wire is firstly arranged; after electricity is tested and no electricity is generated, a conductor end is connected immediately, and good contact is ensured; the order of detaching the grounding wire is opposite to the order of detaching the grounding wire, so that the grounding wire is always in a good grounding state, the potential on the grounding wire can be effectively limited even if an unexpected incoming call occurs, and the safety of personnel for installing and detaching the grounding wire is ensured.
When the grounding device is hung in use, the following requirements are met: firstly, the grounding clamp is connected, and then the jointing clamp is connected; when the grounding device is dismounted, the jointing clamp must be dismounted first and then the grounding clamp must be dismounted according to the program. However, in actual operation, the situation occurs that the operator is injured by removing the grounding clip and then the jointing clip. The existing grounding device has no prompt function, habits are developed completely by means of technical levels and working experiences of field personnel, so that the randomness is high, human errors easily occur in the dismounting process, the technical prompt function is lacked, and due to the fact that the wire hanging position and the grounding position are possibly far away, misoperation easily occurs, and the potential safety hazard is high.
Disclosure of Invention
The invention aims to solve the problem that the conventional grounding device is easy to operate by mistake, and provides a high-voltage grounding device for preventing mistaken disassembly.
The invention relates to a high-voltage grounding device for preventing mistaken disassembly, which comprises a grounding clamp, a grounding wire, an insulating rod and a jointing clamp, wherein the grounding clamp is arranged on the upper end of the grounding rod;
the jointing clamp is in an inverted U shape, and one cylindrical surface of the opening end of the jointing clamp is fixedly connected with the top end of the insulating rod;
one end of the grounding wire penetrates through the bottom end of the insulating rod and penetrates out of the top end of the insulating rod, and is connected with the jointing clamp; the other end of the grounding wire is connected with the grounding clamp;
the grounding device also comprises two line conductors, two elastic parts, two insulating blocks, a female contact, a male contact and an anti-error-removal circuit;
the line conductor includes an arc portion and an L-shaped portion;
the arc parts of the two line conductors are symmetrically arranged in the jointing clamp, and the L-shaped parts of the two line conductors are symmetrically arranged at the upper part of the jointing clamp; the fixed ends of the two arc-shaped parts are respectively and axially connected with two sides of the inner wall of the opening end of the inverted U-shaped jointing clamp, the moving ends of the two arc-shaped parts are respectively and fixedly connected with the short end of the L-shaped part, and the moving ends of the two arc-shaped parts are mutually clamped under the respective action of the two elastic parts;
the bottom ends of the two insulating blocks are respectively fixed on the long ends of the L-shaped parts of the two line conductors;
the female contact and the male contact are respectively arranged at the top ends of the two insulating blocks, and when the moving ends of the two arc-shaped parts are in a contact state, the female contact and the male contact are in close contact; when the moving ends of the two arc-shaped parts are in a separated state, the female contact and the male contact are separated from contact;
the anti-misoperation circuit is used for sending different indication states to warn according to the contact state of the female contact and the male contact.
The grounding device is characterized in that a wire is hung on the grounding device through a jointing clamp and is communicated with the grounding clamp through a grounding wire, the grounding clamp is connected with the ground to realize the grounding of the wire, and an insulating rod is used as an operating handle and is used for hanging the jointing clamp on the wire; when the binding clip is in the state of hanging the wires, the wires are clamped at the moving ends of the arc-shaped parts of the two line conductors, so that the moving ends of the arc-shaped parts of the two line conductors are separated from contact, at the moment, the female contact and the male contact are separated from contact, and the mistaken-removal-preventing circuit sends out a hanging indication state according to the state that the female contact and the male contact are separated from contact, so that the mistaken-removal-preventing ground clamp is prevented. On the contrary, when the binding clip is in the non-state of articulating the wire, the removal end of the arc portion of two line conductors is tight each other under the effect respectively of two elastomeric element for the removal end in close contact with of the arc portion of two line conductors, at this moment, female contact and public contact in close contact with, prevent that the mistake tears the circuit and sends out the non-state of articulating the instruction according to female contact and public contact in close contact with's state, can demolish the ground clamp.
The invention has the advantages that when the wire is hung at the jointing clamp, the anti-error-disassembly circuit can send out one or more indication signals to prompt an operator of the grounding condition of the current grounding wire, thereby effectively preventing the mistaken disassembly of the jointing clamp.
Drawings
Fig. 1 is a schematic overall structure diagram of an anti-mis-assembly high-voltage grounding device according to a first embodiment;
FIG. 2 is a partially enlarged schematic view of FIG. 1;
fig. 3 is a circuit diagram of an anti-tamper circuit according to a second embodiment;
fig. 4 is a circuit diagram of an anti-tamper circuit according to a ninth embodiment.
Detailed Description
The first embodiment is as follows: the embodiment is described with reference to fig. 1 and 2, and the anti-mis-disassembly high-voltage grounding device of the embodiment comprises a grounding clamp 1, a grounding wire 2, an insulating rod 3 and a jointing clamp 4;
the jointing clamp 4 is in an inverted U shape, and one cylindrical surface of the opening end of the jointing clamp is fixedly connected with the top end of the insulating rod 3;
one end of the grounding wire 2 penetrates through the bottom end of the insulating rod 3 and penetrates out of the top end of the insulating rod 3, and is connected with the jointing clamp 4; the other end of the grounding wire 2 is connected with the grounding clamp 1;
the grounding device also comprises two line conductors 5, two elastic components 6, two insulating blocks 8, a female contact 11, a male contact 12 and an anti-error-removal circuit;
the line conductor 5 includes an arc portion and an L-shaped portion;
the arc parts of the two line conductors 5 are symmetrically arranged in the jointing clamp 4, and the L-shaped parts of the two line conductors 5 are symmetrically arranged at the upper part of the jointing clamp 4; the fixed ends of the two arc-shaped parts are respectively and axially connected with the two sides of the inner wall of the opening end of the inverted U-shaped jointing clamp 4, the moving ends of the two arc-shaped parts are respectively and fixedly connected with the short end of the L-shaped part, and the moving ends of the two arc-shaped parts are mutually clamped under the respective action of the two elastic parts 6;
the bottom ends of the two insulating blocks 8 are respectively fixed on the long ends of the L-shaped parts of the two line conductors 5;
the female contact 11 and the male contact 12 are respectively arranged at the top ends of the two insulating blocks 8, and when the moving ends of the two arc-shaped parts are in a contact state, the female contact 11 and the male contact 12 are in close contact; when the moving ends of the two arc-shaped parts are in a separated state, the female contact 11 and the male contact 12 are separated from contact;
the anti-misoperation circuit is used for giving different indication states to give an alarm according to the contact state of the female contact 11 and the male contact 12.
In the present embodiment, both the elastic members 6 are springs; in order to facilitate the clamping of the wire into the binding clip 4, the other cylindrical surface of the opening end of the inverted U-shaped binding clip 4 is arranged into a slope-shaped structure.
The grounding device of the embodiment is characterized in that a wire is hung on a jointing clamp 4, a conductor is clamped at the moving end of the arc-shaped part of two line conductors 5 and is communicated with a grounding clamp 1 through the jointing clamp 4 and a grounding wire 2 in sequence, the grounding clamp 1 is connected with the ground to realize the grounding of the wire, and an insulating rod 3 is used as an operating handle for hanging the jointing clamp 4 on the wire; when the jointing clamp 1 is in a state of hanging the conducting wire, the conducting wire is clamped at the moving ends of the arc-shaped parts of the two line conductors 5, so that the moving ends of the arc-shaped parts of the two line conductors 5 are separated from contact, at the moment, the female contact 11 and the male contact 12 are separated from contact, and the mistaken-disassembly preventing circuit sends out a hanging indication state according to the state that the female contact 11 and the male contact 12 are separated from contact, so that the mistaken-disassembly preventing grounding clamp 1 is prevented. On the contrary, when the jointing clamp 4 is in a non-hanging wire state, the moving ends of the arc-shaped parts of the two line conductors 5 are clamped with each other under the respective actions of the two elastic parts 6, so that the moving ends of the arc-shaped parts of the two line conductors 5 are in close contact, at this time, the female contact 11 is in close contact with the male contact 12, the anti-error-removal circuit sends out a non-hanging indication state according to the close contact state of the female contact 11 and the male contact 12, and the grounding clamp can be detached.
The second embodiment is as follows: the embodiment is described with reference to fig. 3, and the embodiment is further limited to the anti-tamper high-voltage grounding device according to the first embodiment, and in the embodiment, the anti-tamper circuit includes a power supply U, a switch S, a light emitting diode D1, a light emitting diode D2, a light emitting diode D3, a transistor Q1, a transistor Q2, a resistor R1, a resistor R2, a resistor R3, a resistor R4, and a resistor R5;
the positive electrode of the power supply U is connected with one end of the switch S;
the other end of the switch S is simultaneously connected with one end of the resistor R1, one end of the resistor R2, one end of the resistor R3 and the male contact 12;
the other end of the resistor R1 is connected with the anode of the light-emitting diode D1;
the other end of the resistor R2 is connected with the anode of the light-emitting diode D2, and the cathode of the light-emitting diode D2 is connected with the collector of the triode Q1;
the other end of the resistor R2 is simultaneously connected with the base electrode of the triode Q1 and the collector electrode of the triode Q2;
the negative electrode of the power supply U is simultaneously connected with the cathode of the diode D1, the emitter of the triode Q1, the emitter of the triode Q2, the cathode of the diode D3 and the grounding clamp 1;
the female contact 11 is connected with one end of a resistor R4 and one end of a resistor R5;
the other end of the resistor R4 is connected with the base electrode of the triode Q2;
the other end of the resistor R5 is connected with the anode of the light-emitting diode D3;
the light emitting color of the light emitting diode D1, the light emitting color of the light emitting diode D2, and the light emitting color of the light emitting diode D3 are different from each other.
In the present embodiment, the light emitting color of the light emitting diode D1 is yellow, which is used to indicate the access circuit state of the power supply U; when switch S is closed and power supply U feeds normally, light emitting diode D1 emits yellow light; when the switch S is turned on or the power U is fed abnormally, the light emitting diode D1 does not emit light.
The light emitting color of the light emitting diode D2 is red, and when the light emitting diode D2 emits light, it indicates that the ground clip 1 cannot be removed; the light emitting principle of the light emitting diode D2 is as follows: when the jointing clamp 1 is in a wire hanging state, the wire is clamped at the moving ends of the arc-shaped parts of the two line conductors 5, so that the moving ends of the arc-shaped parts of the two line conductors 5 are separated from contact, at the moment, the female contact 11 and the male contact 12 are separated from contact, namely, the female contact 11 and the male contact 12 are in a disconnected state, and at the moment, the light-emitting diode D3 does not emit light when in a disconnected state; the base of the transistor Q2 is in an open circuit state, that is, the transistor Q2 is turned off, the base of the transistor Q1 is pulled up by the resistor R3, and current is injected into the base of the transistor Q1 to turn on the transistor Q1, so that the power supply U, the switch S, the resistor R2 and the light emitting diode D2 form a power-on loop, and at the moment, the light emitting diode D2 emits red light.
The light emitting color of the light emitting diode D3 is green, and when the light emitting diode D3 emits light, it indicates that the ground clip 1 can be removed; the light emitting principle of the light emitting diode D3 is as follows: when the jointing clamp 4 is in a non-hanging wire state, the moving ends of the arc-shaped parts of the two line conductors 5 are clamped with each other under the action of the two elastic components 6 respectively, so that the moving ends of the arc-shaped parts of the two line conductors 5 are in tight contact, at the moment, the female contact 11 is in tight contact with the male contact 12, namely, the female contact 11 and the male contact 12 are in a connected state, at the moment, the power supply U, the switch S, the resistor R5 and the light emitting diode D3 form a power-on loop, and at the moment, the light emitting diode D3 emits green light; the base of the transistor Q2 is pulled up by the resistor R4, and the current flows into the base of the transistor Q2, so that the transistor Q2 is turned on, that is, the base of the transistor Q1 is grounded, the transistor Q1 is turned off, and the light emitting diode D2 is in an off state and does not emit light.
In this embodiment, the light emitting diode D2 may be replaced by a buzzer, or a buzzer may be connected to both ends of the light emitting diode D2 in parallel to increase the way of warning the anti-tamper circuit.
The third concrete implementation mode: in this embodiment, the anti-misremoval high-voltage grounding device according to the second embodiment is further limited, and in this embodiment, the power source U is a dry battery or a rechargeable battery.
The fourth concrete implementation mode: in this embodiment, the high-voltage grounding device for preventing erroneous detachment described in the second or third embodiment is further defined, and in this embodiment, the switch S is an external switch or an automatic contact switch.
The fifth concrete implementation mode: in this embodiment, the anti-mis-assembly high voltage grounding device described in the second embodiment is further limited, and in this embodiment, the grounding device further includes two fixing bolts 7;
the two fixing bolts 7 are respectively used for fixing the bottom ends of the two insulating blocks 8 on the moving ends of the two line conductors 5.
In the present embodiment, the bottom ends of the two insulating blocks 8 are fixed to the moving ends of the two line conductors 5 by the fixing bolts 7, and the fixing bolts 7 are provided to prevent the twisting of the moving ends of the insulating blocks 8 and the line conductors 5 or to increase the number of the fixing bolts 7.
The sixth specific implementation mode: in this embodiment, the anti-mis-assembly high voltage grounding device of the second embodiment is further limited, in this embodiment, the female contact 11 is a U-shaped metal sheet; the male contact 12 is a diamond-shaped metal sheet;
the shorter diagonal length of the rhombic metal sheet is the same as the width of the U-shaped metal sheet.
In the present embodiment, the above arrangement is adopted, so that the female contact 11 and the male contact 12 are both more convenient to combine and separate, and the continuity is better when combining and the disconnection is better when separating.
The seventh embodiment: in this embodiment, the high-voltage grounding device for preventing mis-disassembly is further defined as in the sixth embodiment, and in this embodiment, the grounding device further includes a female contact bolt 9 and a male contact bolt;
the female contact bolt 9 passes through an insulating block 8 to be connected with the bottom of the U-shaped metal sheet;
the male contact bolt penetrates through the other insulating block 8 to be connected with the end part where the longer diagonal line of the diamond-shaped metal sheet is located.
The specific implementation mode is eight: in this embodiment, the mis-assembly prevention high voltage grounding device described in the second embodiment is further limited, and in this embodiment, the grounding device further includes a female contact lead 10 and a male contact lead 14;
one end of the female contact wire 10 is connected with the female contact 11, and the other end of the female contact wire 10 is simultaneously connected with one end of a resistor R4 and one end of a resistor R5 in the anti-misoperation circuit;
one end of the male contact wire 14 is connected with the male contact 12; the other end of the male contact wire 14 is connected to the other end of the switch S, one end of the resistor R1, one end of the resistor R2, and one end of the resistor R3 in the anti-tamper circuit at the same time.
In the present embodiment, the addition of the female contact wire 10 and the male contact wire 14 makes it more convenient to provide a false disconnection preventing circuit.
The specific implementation method nine: the present embodiment is described with reference to fig. 4, and is further limited to the anti-tamper high-voltage grounding device according to the first embodiment, and in the present embodiment, the grounding device further includes a contact lead 15, a first terminal 16, a second terminal 19, and a ground terminal 20;
the contact lead 15 is a two-core flexible lead;
the other end of the female contact wire 10 is connected to a first terminal 16 through one of the contact wires 15;
the first terminal 16 is connected with one end of a resistor R4 and one end of a resistor R5 in the anti-error-breaking circuit;
the other end of the male contact wire 14 is connected to terminal No. two 19 through the other core of the contact wire 15;
the second terminal 19 is simultaneously connected with the other end of the switch S in the anti-false-disconnection circuit, one end of a resistor R1, one end of a resistor R2 and one end of a resistor R3;
the ground terminal 20 is connected to the ground clip 1, and is simultaneously connected to the negative terminal of the power source U, the cathode of the diode D1, the emitter of the transistor Q1, the emitter of the transistor Q2, and the cathode of the diode D3 in the anti-tamper circuit.
In this embodiment, a contact lead 15, a first terminal 16, a second terminal 19, and a ground terminal 20 are further added to the second embodiment and the eighth embodiment; through the arrangement, the anti-misoperation circuit can be arranged at any place convenient for operation and observation.
The detailed implementation mode is ten: in this embodiment, the high-voltage grounding device for preventing mis-disassembly described in the ninth embodiment is further limited, and in this embodiment, the grounding device further includes a lead frame 17;
the lead frame 17 is provided on the outer side wall of the inverted U-shaped clip 4, and the lead frame 17 is used to fix the contact wires 15.
In the present embodiment, the lead frame 17 is used to prevent the contact wires 15 from moving due to other external forces and causing problems.
Claims (10)
1. A high-voltage grounding device preventing mistaken disassembly comprises a grounding clamp (1), a grounding wire (2), an insulating rod (3) and a jointing clamp (4);
the jointing clamp (4) is in an inverted U shape, and one cylindrical surface of the opening end of the jointing clamp is fixedly connected with the top end of the insulating rod (3);
one end of the grounding wire (2) penetrates through the bottom end of the insulating rod (3) and penetrates out of the top end of the insulating rod (3), and is connected with the jointing clamp (4); the other end of the grounding wire (2) is connected with the grounding clamp (1);
the grounding device is characterized by also comprising two line conductors (5), two elastic components (6), two insulating blocks (8), a female contact (11), a male contact (12) and an anti-error-removal circuit;
the line conductor (5) includes an arc-shaped portion and an L-shaped portion;
the arc parts of the two line conductors (5) are symmetrically arranged in the jointing clamp (4), and the L-shaped parts of the two line conductors (5) are symmetrically arranged at the upper part of the jointing clamp (4); the fixed ends of the two arc-shaped parts are respectively and axially connected with two sides of the inner wall of the opening end of the inverted U-shaped jointing clamp (4), the moving ends of the two arc-shaped parts are respectively and fixedly connected with the short end of the L-shaped part, and the moving ends of the two arc-shaped parts are mutually clamped under the respective action of the two elastic components (6);
the bottom ends of the two insulating blocks (8) are respectively fixed on the long ends of the L-shaped parts of the two line conductors (5);
the female contact (11) and the male contact (12) are respectively arranged at the top ends of the two insulating blocks (8), and when the moving ends of the two arc-shaped parts are in a contact state, the female contact (11) is in close contact with the male contact (12); when the moving ends of the two arc-shaped parts are in a separated state, the female contact (11) and the male contact (12) are separated from contact;
the anti-misoperation circuit is used for giving different indication states to give a warning according to the contact state of the female contact (11) and the male contact (12).
2. The anti-mis-disassembly high voltage grounding device as claimed in claim 1, wherein the anti-mis-disassembly circuit comprises a power source U, a switch S, a light emitting diode D1, a light emitting diode D2, a light emitting diode D3, a transistor Q1, a transistor Q2, a resistor R1, a resistor R2, a resistor R3, a resistor R4 and a resistor R5;
the positive electrode of the power supply U is connected with one end of the switch S;
the other end of the switch S is simultaneously connected with one end of the resistor R1, one end of the resistor R2, one end of the resistor R3 and the male contact (12);
the other end of the resistor R1 is connected with the anode of the light-emitting diode D1;
the other end of the resistor R2 is connected with the anode of the light-emitting diode D2, and the cathode of the light-emitting diode D2 is connected with the collector of the triode Q1;
the other end of the resistor R2 is simultaneously connected with the base electrode of the triode Q1 and the collector electrode of the triode Q2;
the negative electrode of the power supply U is simultaneously connected with the cathode of the diode D1, the emitter of the transistor Q1, the emitter of the transistor Q2, the cathode of the diode D3 and the grounding clamp (1);
the female contact (11) is simultaneously connected with one end of the resistor R4 and one end of the resistor R5;
the other end of the resistor R4 is connected with the base electrode of the triode Q2;
the other end of the resistor R5 is connected with the anode of the light-emitting diode D3;
the light emitting color of the light emitting diode D1, the light emitting color of the light emitting diode D2, and the light emitting color of the light emitting diode D3 are different from each other.
3. An anti-tamper high voltage grounding device according to claim 2, wherein the power source U is a dry cell or a rechargeable battery.
4. A tamper-proof high voltage grounding device according to claim 2 or 3, wherein the switch S is an external switch or an automatic contact switch.
5. A mis-disassembly prevention high voltage grounding device according to claim 2, wherein the grounding device further comprises two fixing bolts (7);
the two fixing bolts (7) are respectively used for fixing the bottom ends of the two insulating blocks (8) on the moving ends of the two line conductors (5).
6. A mis-disassembly prevention high voltage grounding device according to claim 2, wherein the female contact (11) is a U-shaped metal sheet; the male contact (12) is a diamond-shaped metal sheet;
the shorter diagonal length of the rhombic metal sheet is the same as the width of the U-shaped metal sheet.
7. A mis-disassembly prevention high voltage grounding device as claimed in claim 6, wherein the grounding device further comprises a female contact bolt (9) and a male contact bolt;
the female contact bolt (9) penetrates through an insulating block (8) to be connected with the bottom of the U-shaped metal sheet;
the male contact bolt penetrates through the other insulating block (8) to be connected with the end part where the longer diagonal line of the diamond-shaped metal sheet is located.
8. A tamper-evident high voltage grounding device according to claim 2, characterized in that it further comprises a female contact conductor (10) and a male contact conductor (14);
one end of the female contact wire (10) is connected with the female contact (11), and the other end of the female contact wire (10) is simultaneously connected with one end of a resistor R4 and one end of a resistor R5 in the anti-misoperation circuit;
one end of the male contact lead (14) is connected with the male contact (12); the other end of the male contact wire (14) is connected to the other end of the switch S, one end of the resistor R1, one end of the resistor R2 and one end of the resistor R3 in the anti-tamper circuit at the same time.
9. A mis-disassembly prevention high voltage grounding device as claimed in claim 8, wherein the grounding device further comprises a contact wire (15), a first terminal (16), a second terminal (19) and a ground terminal (20);
the contact lead (15) is a two-core flexible lead;
the other end of the female contact lead (10) is connected with a first terminal (16) through one core in the contact lead (15);
the first terminal (16) is connected with one end of a resistor R4 and one end of a resistor R5 in the anti-misoperation circuit at the same time;
the other end of the male contact lead (14) is connected with a second terminal (19) through the other core in the contact lead (15);
the second terminal (19) is simultaneously connected with the other end of the switch S, one end of the resistor R1, one end of the resistor R2 and one end of the resistor R3 in the anti-misoperation circuit;
the ground terminal (20) is connected to the ground clip (1) and is simultaneously connected to the negative pole of the power source U, the cathode of the diode D1, the emitter of the transistor Q1, the emitter of the transistor Q2 and the cathode of the diode D3 in the anti-tamper circuit.
10. A tamper-proof high voltage grounding device according to claim 9, further comprising a lead frame (17);
the lead frame (17) is arranged on the outer side wall of the inverted U-shaped jointing clamp (4), and the lead frame (17) is used for fixing the contact lead (15).
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| CN201910132761.5A CN109687180B (en) | 2019-02-21 | 2019-02-21 | Anti-mis-disassembly high-voltage grounding device |
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| CN201910132761.5A CN109687180B (en) | 2019-02-21 | 2019-02-21 | Anti-mis-disassembly high-voltage grounding device |
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| CN109687180B true CN109687180B (en) | 2020-05-29 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN112701621B (en) * | 2020-12-16 | 2022-04-26 | 国网浙江桐乡市供电有限公司 | Electric J-shaped wire clamp installer |
| CN115133301B (en) * | 2022-08-30 | 2022-12-20 | 国网山西省电力公司超高压变电分公司 | Device and method for ensuring disassembly and assembly sequence of power grounding wires |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2178904Y (en) * | 1993-10-19 | 1994-10-05 | 冒炳荣 | Ground articulater for electroscope alarm |
| CN103887622A (en) * | 2014-02-26 | 2014-06-25 | 广东电网公司茂名供电局 | Anti-misoperation illumination grounding rod and circuit system thereof |
| CN204008949U (en) * | 2014-08-19 | 2014-12-10 | 国家电网公司 | A kind of self-checking unit of ground wire |
| CN106941227A (en) * | 2014-09-19 | 2017-07-11 | 国家电网公司 | A kind of anti-misoperation short-circuit grounding device easy to carry |
-
2019
- 2019-02-21 CN CN201910132761.5A patent/CN109687180B/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2178904Y (en) * | 1993-10-19 | 1994-10-05 | 冒炳荣 | Ground articulater for electroscope alarm |
| CN103887622A (en) * | 2014-02-26 | 2014-06-25 | 广东电网公司茂名供电局 | Anti-misoperation illumination grounding rod and circuit system thereof |
| CN204008949U (en) * | 2014-08-19 | 2014-12-10 | 国家电网公司 | A kind of self-checking unit of ground wire |
| CN106941227A (en) * | 2014-09-19 | 2017-07-11 | 国家电网公司 | A kind of anti-misoperation short-circuit grounding device easy to carry |
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