CN217741306U - Circuit parameter test auxiliary device and circuit - Google Patents
Circuit parameter test auxiliary device and circuit Download PDFInfo
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- CN217741306U CN217741306U CN202221074309.1U CN202221074309U CN217741306U CN 217741306 U CN217741306 U CN 217741306U CN 202221074309 U CN202221074309 U CN 202221074309U CN 217741306 U CN217741306 U CN 217741306U
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Abstract
The utility model provides a circuit parameter test auxiliary device and circuit, including electric shock conversion module and ground protection module, electric shock conversion module is connected with line output end, equipment output and earthing terminal, electric shock conversion module single has and only switches on alone with line output end or earthing terminal, electric shock conversion module and ground protection module connect in the earthing terminal. The utility model discloses cut off electrified return circuit protection operation personnel safety fast.
Description
Technical Field
The utility model relates to a high-tension electricity parameter measurement field especially relates to a circuit parameter testing auxiliary device and circuit.
Background
The power frequency parameters comprise positive sequence capacitance, zero sequence capacitance, positive sequence impedance, zero sequence impedance of the circuit, mutual inductance reactance between the circuits and coupling capacitance parameters, and are a group of circuit equivalent parameters representing electromagnetic characteristics of the power circuit. At present, in the line parameter test, a line is directly connected with test equipment by a wire, and the line has no obvious disconnection point and cannot be quickly grounded: because the power grid is staggered and complicated, induced electricity cannot be completely eliminated in the line test, and because some testers have low safety awareness, are not concentrated in attention, are not operated normally and the like in the test process, the electric shock risk is high. In the test process, once induced electric shock occurs, the person who gets the electric shock cannot be quickly separated from the power supply, and the rescue worker needs to manually close the line grounding knife switch to enable the line to be grounded, so that the time consumption is long, and the optimal rescue time is delayed.
The utility model provides a "a ground connection downlead conduction tester" that discloses on chinese patent literature, its bulletin number CN207067294U, this utility model provides a ground connection downlead conduction tester, it includes test host computer, test wire, power cord and ground wire, the test host computer is connected with test wire, power cord, ground wire respectively, the test wire is used for connecting the ground connection of being surveyed and test host computer, forms the conduction return circuit, is used for to the output current of being surveyed ground connection, tests its ground connection conductivity; the power line is used for connecting a power grid and providing electric energy supply for the test host; the ground wire is used for being connected with the ground of the test host, so that the situation that the shell and other parts of the test host are electrified to cause accidental electric shock of an operator is prevented. The method is used for measuring the conduction resistance value between the grounding down leads of each power device in the transformer substation. Although the instrument is controlled by a high-performance single chip microcomputer, the intelligent testing process can be realized, and the instrument has the advantages of small size, convenience in carrying, simplicity in operation, high precision, high testing speed, good retest performance and visual reading, but the instrument cannot realize that a tester quickly breaks off a live circuit when getting an electric shock.
SUMMERY OF THE UTILITY MODEL
The utility model provides a quick disconnection electrified return circuit when unable testing personnel electrocute, provided a circuit parameter test auxiliary device and circuit, when having realized the unexpected electric shock of testing personnel, through the utility model discloses cut off electrified return circuit fast.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
the circuit of the auxiliary device for testing the line parameters comprises an electric shock conversion module and a ground protection module, wherein the electric shock conversion module is connected with a line output end, an equipment output end and a ground end, the electric shock conversion module is single and only conducted with the line output end or the ground end, and the electric shock conversion module and the ground protection module are connected in parallel to the ground end. The utility model discloses it is simple to be equipped with the whole circuit of electric shock conversion module and ground protection module, can realize the electrified return circuit of quick disconnection.
As the utility model discloses an optimal scheme, electric shock conversion module is double-throw plug-in strip s1, double-throw plug-in strip s1 is equipped with first link, first branch road and second branch road, ground protection module is circuit breaker QF1, circuit breaker QF1 is equipped with the access branch road and connects out the branch road, first link switches on with the equipment output, first branch road switches on with the access branch road, and the second branch road connects in the earthing terminal with connecing out the branch road. The utility model discloses be equipped with double throw plug-in strip s1 and circuit breaker QF1, double throw plug-in strip s1 is equipped with first link, first branch road, second branch road, circuit breaker QF1 is equipped with the access branch road, connects out the branch road, and the second branch road with connect out the branch road and connect and can realize cutting off fast with the electric circuit in several seconds that the discovery tester electrocuted.
As a preferred embodiment of the present invention, the first link is provided with a first link port a3, a second link port B3, and a third link port C3, the first branch is provided with a first branch port a1, a second branch port B1, and a third branch port C1, the second branch is provided with a fourth branch port a2, a fifth branch port B2, and a sixth branch port C2, the incoming branch is provided with a first incoming end d1, a second incoming end e1, and a third incoming end f1, the outgoing branch is provided with a first outgoing end d2, a second outgoing end e2, and a third outgoing end f2, the line output is provided with a first line output a, a second line output IA, a third line output B, a fourth line output IB, a fifth line output C, and a sixth line output IC, the first link port a3 is electrically connected with an equipment output end IA and an equipment output end Ua, the second link port B3 is electrically connected with an equipment output end IB and an equipment output end Ub, the third link port C3 is electrically connected with an equipment output end IC and an equipment output end Uc, the first branch port a1 is connected in parallel with the first incoming end d1, the first line output end a and the second line output end IA, the second branch port B1 is connected in parallel with the second incoming end e1, the third line output end B and the fourth line output end IB, the third branch port C1 is connected in parallel with the third incoming end f1, the fifth line output end C and the sixth line output end IC, and the fourth branch port a2, the fifth branch port B2, the sixth branch port C2, the first outgoing end d2, the second outgoing end e2 and the third outgoing end f2 are connected with a ground terminal. The utility model discloses be equipped with first link, first branch road, second branch road, equipment output and switch on, insert the branch road, connect out the branch road, first link switches on with the equipment output, first branch road switches on with the access branch road, the second branch road with connect out the branch road and connect in the earthing terminal, they are used for one-way equipment output or earthing terminal that switches on for cut off the electric shock return circuit fast.
As the preferred scheme of the utility model, circuit breaker QF1 still is equipped with fourth incoming end g1 and fourth and connects output g2, fourth incoming end g1 and fourth connect output g2 and connect alarm module. The utility model discloses be equipped with alarm module, pull up the plug-in strip behind the discovery electric shock personnel, alarm module can detect three-phase electricity ground connection, gives the personnel of suing and labouring and get into the alarm of executing the rescue place safely.
As the utility model discloses a preferred scheme, alarm module includes bee calling organ H and power DC, fourth incoming end g1 is connected to bee calling organ H one end, lithium cell DC's negative pole is connected to bee calling organ H's the other end, and lithium cell DC's positive pole is connected the fourth and is connect out end g2. The utility model discloses be equipped with bee calling organ and DC power supply and still have the circuit breaker, this simple structure can automatic alarm, is favorable to reminding the person of suing and labouring whether can get into the scene of saving safely.
As the preferred scheme of the utility model, earthing terminal wire cover has mutual-inductor J, the external ampere meter A1 of mutual-inductor J. The utility model discloses be equipped with mutual-inductor and ampere meter, owing to detect the work load of earthing terminal, prevent that work load is too big to the person of suing and labouring production secondary injury.
A circuit parameter testing auxiliary device applies the circuit of the circuit parameter testing auxiliary device and comprises an operation panel and a protection box body, wherein the operation panel is placed in the protection box body. The utility model discloses be equipped with operating panel and protection box, the measurement personnel of being convenient for operate, protection inner structure.
As the utility model discloses an optimal selection scheme, operating panel is equipped with ampere meter A1 and circuit breaker QF1, ground current when ampere meter A1 is used for detecting circuit breaker QF1 closure, operating panel is equipped with bee calling organ loudspeaker, and double throw plug-in strip S1, circuit breaker QF1 is closed when double throw plug-in strip S1 closes, bee calling organ H reports to the police, operating panel is equipped with equipment output Ia, equipment output Ib, equipment output Ic and equipment output Ua, equipment output Ub, equipment output Uc' S joint. The utility model discloses be equipped with buzzer loudspeaker, circuit breaker and three-pole double throw plug-in strip and also take the joint of insulating layer, be favorable to the electric shock module of each protection of clear division, be convenient for cut off the electric shock return circuit rapidly.
As the preferred scheme of the utility model, the protection box is equipped with second circuit output IA, fourth circuit output IB, the sixth circuit output IC of taking the joint of insulating layer and first circuit output A, third circuit output B, the fifth circuit output C of taking the joint of insulating layer. The utility model discloses be equipped with host computer input end connector for connect the test host computer, be favorable to preventing electric shock and standardization operation.
The utility model discloses following beneficial effect has:
the electric shock conversion module and the grounding protection module are arranged and used for cutting off an electrified loop, and the quick cutting off of the electrified loop is facilitated.
The alarm module is arranged and used for prompting that the live line is grounded, so that protection and reminding of rescue workers are facilitated.
The mutual inductor and the ammeter are arranged, and the grounded line parameters are detected, so that the charged line index is prevented from exceeding a rated value, and secondary damage is caused to rescuers.
The circuit output port of the joint with the insulating layer is arranged and used for protecting the high voltage output by the circuit and facilitating safe operation.
Drawings
Fig. 1 is a circuit diagram of the utility model;
figure 2 is a view of a utility model panel;
FIG. 3 is a diagram of the line output end of the utility model case;
in the figure: 1. the electric shock protection device comprises an electric shock conversion module 2, a grounding protection module 3, an alarm module 18, an operation panel 19, a protection box 21 and a buzzer horn.
Detailed Description
The present invention will be further described with reference to the accompanying drawings and the detailed description.
The embodiment provides a circuit of a line parameter test auxiliary device, which comprises an electric shock conversion module 1 and a ground protection module 2 according to fig. 1, wherein the electric shock conversion module 1 is connected with a line output end, an equipment output end and a ground end, the electric shock conversion module 1 is singly conducted with the line output end or the ground end, the electric shock conversion module 1 and the ground protection module 2 are connected in parallel to the ground end, the electric shock conversion module 1 is a double-throw switch s1, the double-throw switch s1 is provided with a first link, a first branch and a second branch, the ground protection module 2 is a circuit breaker QF1, the circuit breaker QF1 is provided with an access branch and an access branch, the first link is communicated with the equipment output end, the first branch is communicated with the access branch, the second branch is connected in parallel with the access branch, the first link is provided with a first link port a3, a second link port B3 and a third link port C3, the first branch circuit is provided with a first branch circuit port a1, a second branch circuit port B1 and a third branch circuit port C1, the second branch circuit is provided with a fourth branch circuit port a2, a fifth branch circuit port B2 and a sixth branch circuit port C2, the access branch circuit is provided with a first access end d1, a second access end e1 and a third access end f1, the access branch circuit is provided with a first access end d2, a second access end e2 and a third access end f2, the circuit output end is provided with a first circuit output end A, a second circuit output end IA, a third circuit output end B, a fourth circuit output end IB, a fifth circuit output end C and a sixth circuit output end IC, the first link circuit port a3 is electrically connected with an equipment output end Ia and an equipment output end Ua, the second link circuit end B3 is electrically connected with an equipment output end Ib and an equipment output end Ub, the third link end C3 is electrically connected with an equipment output end Ic and an equipment output end Uc, the first branch port A1 is connected in parallel with the first incoming end d1, the first line output end a and the second line output end IA, the second branch port B1 is connected in parallel with the second incoming end e1, the third line output end B and the fourth line output end IB, the third branch port C1 is connected in parallel with the third incoming end f1, the fifth line output end C and the sixth line output end Ic, the fourth branch port a2, the fifth branch port B2, the sixth branch port C2, the first outgoing end d2, the second outgoing end e2 and the third outgoing end f2 are connected with a ground terminal, the breaker QF1 is further provided with a fourth incoming end g1 and a fourth outgoing end g2, the fourth incoming end g1 and the fourth outgoing end g2 are connected with an alarm module 3, the ground terminal is sheathed with a mutual inductor J, and the J is externally connected with an ammeter a meter A1.
This embodiment provides a circuit parameter test auxiliary device, applied a circuit of circuit parameter test auxiliary device, according to fig. 2 or fig. 3, including operating panel 18 and protection box 19, operating panel 18 places in protection box 19, operating panel 18 is equipped with ampere meter A1 and circuit breaker QF1, ampere meter A1 is used for detecting the ground current when circuit breaker QF1 closes, operating panel 18 is equipped with buzzer loudspeaker 21, and double-throw switch S1, circuit breaker QF1 is closed when double-throw switch S1 closes, buzzer H reports to the police, operating panel 18 is equipped with equipment output Ia, equipment output Ib, equipment output Ic and the joint of equipment output Ua, equipment output Ub, equipment output Uc, protection box 19 is equipped with the second circuit output Ia of the joint of insulating layer, fourth circuit output Ib, the first circuit output a, the third circuit output B, the fifth circuit output C of the joint of insulating layer.
The working process of the auxiliary device for testing the line parameters of the embodiment is as follows: the lead of the line is respectively connected with a line output end IA, a line output end IB, a line output end IC, a line output end A, a line output end B and a line output end C, the three-pole double-throw switch is switched on, a first link port a3 of the three-pole double-throw switch is connected with a first branch port a1 of the three-pole double-throw switch, a second link port B3 of the three-pole double-throw switch is connected with a second branch port B1 of the three-pole double-throw switch, a third link port C3 of the three-pole double-throw switch is connected with a third branch port C1 of the three-pole double-throw switch, at the moment, the lead is inserted into joints of an equipment output end Ia, an equipment output end Ib, an equipment output end IC, an equipment output end Ua, an equipment output end UB and an equipment output end Uc, a test host is connected, when a tester has an electric shock accident, the three-pole double-throw switch is switched on reversely, the first link port a3 of the three-pole double-throw switch blade is connected with the fourth branch port a2 of the three-pole double-throw switch blade, the second link port B3 of the three-pole double-throw switch blade is connected with the fifth branch port B2 of the three-pole double-throw switch blade, the third link port C3 of the three-pole double-throw switch blade is connected with the sixth branch port C2 of the three-pole double-throw switch blade, at the moment, the three phases are grounded, the breaker works in a switching-on mode through QF1, the line output end IA, the line output end A and the first access end d1 are conducted with the first access end d2, the line output end IB, the line output end B and the second access end e1 are conducted with the second access end e2, the line output end IC, the line output end C and the third access end f1 are conducted with the third access end f2, the buzzer H gives an alarm to remind a rescuer of safety, and the ammeter displays grounding current.
The utility model discloses it is simple to be equipped with the whole circuit of electric shock conversion module and ground protection module, can realize the electrified return circuit of quick disconnection.
The utility model discloses be equipped with double throw plug-in strip s1 and circuit breaker QF1, double throw plug-in strip s1 is equipped with first link, first branch road, second branch road, circuit breaker QF1 is equipped with the access branch road, connects out the branch road, and the second branch road with connect out the branch road and connect and can realize cutting off fast with the electric circuit in several seconds that the discovery tester electrocuted.
The utility model discloses be equipped with first link, first branch road, second branch road, equipment output and switch on, insert the branch road, connect out the branch road, first link switches on with the equipment output, first branch road switches on with the access branch road, the second branch road with connect out the branch road and connect in the earthing terminal for one-way equipment output or earthing terminal that switches on is used for cut off the electric shock return circuit fast.
The utility model discloses be equipped with alarm module, pull up the plug-in strip behind the discovery electric shock personnel, alarm module can detect three-phase electricity ground connection, gives the personnel of suing and labouring safety and gets into the alarm of executing the rescue scene.
The utility model discloses be equipped with bee calling organ and DC power supply and still have the circuit breaker, this simple structure can automatic alarm, is favorable to reminding the person of suing and labouring whether can get into the scene of saving safely.
The utility model discloses be equipped with mutual-inductor and ampere meter, owing to detect the work load of earthing terminal, prevent that work load is too big to the person of suing and labouring production secondary injury.
The utility model discloses be equipped with operating panel and protection box, the measurement personnel of being convenient for operate, protection inner structure.
The utility model discloses be equipped with buzzer loudspeaker, circuit breaker and three-pole double-throw plug-in strip and also take the joint of insulating layer, be favorable to each electric shock module of preventing of clear division, be convenient for cut off the electric shock return circuit rapidly.
The utility model discloses be equipped with host computer input end connector for connect the test host computer, be favorable to preventing electric shock and standardization operation.
The above description is only for the specific embodiments of the present invention, but the protection scope of the present invention is not limited thereto, and any changes or substitutions that are not thought of through the creative work should be covered within the protection scope of the present invention.
Claims (8)
1. A circuit of a circuit parameter test auxiliary device is characterized in that: including electric shock conversion module (1) and ground protection module (2), electric shock conversion module (1) is connected with line output end, equipment output and earthing terminal, electric shock conversion module (1) single and only switch on alone with line output end or earthing terminal, electric shock conversion module (1) with ground protection module (2) connect in parallel in the earthing terminal.
2. The circuit of claim 1, wherein the auxiliary device for testing line parameters comprises: the electric shock conversion module (1) is a double-throw switch blade s1, the double-throw switch blade s1 is provided with a first link, a first branch and a second branch, the ground protection module (2) is a circuit breaker QF1, the circuit breaker QF1 is provided with an access branch and an outgoing branch, the first link is communicated with the output end of the equipment, the first branch is communicated with the access branch, and the second branch is connected with the outgoing branch in parallel with the grounding end.
3. The circuit of claim 2, wherein the auxiliary device for testing the line parameters comprises: the first link is provided with a first link port a3, a second link port B3 and a third link port C3, the first branch is provided with a first branch port a1, a second branch port B1 and a third branch port C1, the second branch is provided with a fourth branch port a2, a fifth branch port B2 and a sixth branch port C2, the incoming branch is provided with a first incoming end d1, a second incoming end e1 and a third incoming end f1, the outgoing branch is provided with a first outgoing end d2, a second outgoing end e2 and a third outgoing end f2, the line output ends are provided with a first line output end A, a second line output end IA, a third line output end B, a fourth line output end IB, a fifth line output end C and a sixth line output end IC, the first link port a3 is electrically connected with the equipment output end Ia and the equipment output end Ua, the second link end B3 is electrically connected to the device output end IB and the device output end Ub, the third link end C3 is electrically connected to the device output end IC and the device output end Uc, the first branch port a1 is connected in parallel to the first incoming end d1, the first line output end a and the second line output end IA, the second branch port B1 is connected in parallel to the second incoming end e1, the third line output end B and the fourth line output end IB, the third branch port C1 is connected in parallel to the third incoming end f1, the fifth line output end C and the sixth line output end IC, and the fourth branch port a2, the fifth branch port B2, the sixth branch port C2, the first outgoing end d2, the second outgoing end e2 and the third outgoing end f2 are connected to a ground terminal.
4. The circuit of claim 3, wherein the circuit of the auxiliary device for testing line parameters comprises: the breaker QF1 is further provided with a fourth incoming end g1 and a fourth outgoing end g2, and the fourth incoming end g1 and the fourth outgoing end g2 are connected with an alarm module (3).
5. The circuit of claim 4, wherein the circuit of the auxiliary device for testing line parameters comprises: alarm module (3) include bee calling organ H and power DC, bee calling organ H one end is connected fourth incoming end g1, lithium cell DC's negative pole is connected to bee calling organ H's the other end, and lithium cell DC's anodal is connected the fourth connects out end g2.
6. A circuit parameter test auxiliary device to which a circuit of the circuit parameter test auxiliary device according to any one of claims 1 to 5 is applied, characterized in that: the device comprises an operation panel (18) and a protective box body (19), wherein the operation panel (18) is placed in the protective box body (19).
7. The auxiliary device for testing the line parameters as claimed in claim 6, wherein: operating panel (18) are equipped with ampere meter A1 and circuit breaker QF1, ground current when ampere meter A1 is used for detecting circuit breaker QF1 closure, operating panel (18) are equipped with bee calling organ loudspeaker (21), and double-throw switch blade S1, circuit breaker QF1 is closed when double-throw switch blade S1 closes, and bee calling organ H reports to the police, operating panel (18) are equipped with the joint of equipment output Ia, equipment output Ib, equipment output Ic and equipment output Ua, equipment output Ub, equipment output Uc.
8. The auxiliary device for testing the line parameters as claimed in claim 6, wherein: the protection box body (19) is provided with a second line output end IA, a fourth line output end IB and a sixth line output end IC which are provided with joints of an insulating layer, and a first line output end A, a third line output end B and a fifth line output end C which are provided with joints of the insulating layer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221074309.1U CN217741306U (en) | 2022-05-05 | 2022-05-05 | Circuit parameter test auxiliary device and circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221074309.1U CN217741306U (en) | 2022-05-05 | 2022-05-05 | Circuit parameter test auxiliary device and circuit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217741306U true CN217741306U (en) | 2022-11-04 |
Family
ID=83817620
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221074309.1U Active CN217741306U (en) | 2022-05-05 | 2022-05-05 | Circuit parameter test auxiliary device and circuit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217741306U (en) |
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2022
- 2022-05-05 CN CN202221074309.1U patent/CN217741306U/en active Active
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