CN215180778U - Electric circuit test box - Google Patents
Electric circuit test box Download PDFInfo
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- CN215180778U CN215180778U CN202120860691.8U CN202120860691U CN215180778U CN 215180778 U CN215180778 U CN 215180778U CN 202120860691 U CN202120860691 U CN 202120860691U CN 215180778 U CN215180778 U CN 215180778U
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Abstract
The utility model relates to an electric circuit test box, including the test box, set up live wire terminal, zero line terminal, power ground terminal, the grounding clip that bonds, circuit break-make and short circuit test circuit, electric leakage test circuit, switch, test mode selection switch, electric leakage test switch, mode indication module, power supply battery on the test box, the electric leakage test circuit is including being used for exporting the required highly compressed high-voltage module of electric leakage test. The utility model discloses a with circuit break-make and short circuit test circuit, electric leakage test circuit integration setting in the test box to draw forth the terminal, set up corresponding status indication component and switching, control switch, can realize the break-make of electric circuit, short circuit, electric leakage bonding scheduling problem test through simple wiring and switch operation, easy and simple to handle swiftly, can improve the work efficiency of test greatly; and the electric shock accident can be effectively avoided during power test, the potential safety hazard is reduced, and the safety and the reliability of the test work are improved.
Description
Technical Field
The utility model relates to an electric circuit test technical field, especially an electric circuit test box.
Background
After the construction of the electric line is completed, the electric line generally needs to be tested in time, and the problems of line connection and disconnection, short circuit, wrong connection, electric leakage, bonding and the like are solved. The traditional test method is that an electrician generally tests the connection points one by one through a universal meter and a megohmmeter, the test wiring is complex, different wiring modes are needed for testing different problems, multiple persons are often needed for matching, the operation is complex, the test efficiency is low, the correctness of line connection and the reliability of detection cannot be guaranteed, and meanwhile, due to the connection of a 220v high-voltage power supply, the electrician holds an electric pen for testing, the safety is poor, and great potential safety hazards exist.
SUMMERY OF THE UTILITY MODEL
The utility model discloses a main objective is to overcome prior art's shortcoming, provides an easy and simple to handle swiftly, can improve the work efficiency of test greatly, takes place the electric shock accident when effectively avoiding the test electricity, reduces the potential safety hazard, improves the security of test work and the electric wire way test box of reliability.
The utility model adopts the following technical scheme:
the utility model provides an electric circuit test box, is including testing the box, setting up live wire terminal, zero line terminal, power ground wire terminal, bonding ground clamp, circuit break-make and short circuit test circuit, electric leakage test circuit, switch, test mode selection switch, electric leakage test switch, mode indication module, power supply battery on testing the box, electric leakage test circuit is including being used for exporting the required highly compressed high-voltage module of electric leakage test, and test mode selection switch is used for controlling circuit break-make and short circuit test circuit or electric leakage test circuit to switch on in turn between circuit break-make and short circuit test and electric leakage test mode.
Furthermore, the circuit on-off and short circuit testing circuit comprises a first state indicating element and a second state indicating element, wherein the first state indicating element is connected in series in a first loop formed by the live wire binding post, the zero wire binding post and the power supply battery, and the second state indicating element is connected in series in a second loop formed by the live wire binding post, the power supply ground wire binding post and the power supply battery.
Further, the first state indicating element and the second state indicating element are buzzers with two different sounds.
Furthermore, the circuit on-off and short circuit testing circuit further comprises a voltage boosting plate, the input end of the voltage boosting plate is electrically connected with the power supply battery, and the output end of the voltage boosting plate supplies power to the first loop and the second loop.
Further, the electric leakage test circuit is still including live wire leakage state indicating element, zero line leakage state indicating element, power ground wire leakage indicating element, and the high-pressure module input is connected with the power supply battery electricity, electric leakage test switch establishes ties between power supply battery and high-pressure module, and high-pressure module output positive pole divides the three routes to establish ties live wire terminal and live wire leakage state indicating element, zero line terminal and zero line leakage state indicating element, power ground wire terminal and power ground wire leakage indicating element respectively, and high-pressure module output negative pole electricity connection bonding ground clamp.
Furthermore, the live wire leakage state indicating element, the zero line leakage state indicating element and the power supply ground wire leakage indicating element are respectively a live wire leakage indicating lamp, a zero line leakage indicating lamp and a power supply ground wire leakage indicating lamp.
Furthermore, a high-voltage discharge indicator lamp is also connected in series between the leakage test switch and the negative electrode of the output end of the high-voltage module.
Further, the electric leakage test switch adopts a inching switch.
Furthermore, the working mode indicating module comprises a power supply indicating lamp, a leakage testing mode indicating lamp electrically connected with the testing mode selecting switch, and an on-off and short circuit testing mode indicating lamp.
Furthermore, the power supply battery adopts a rechargeable battery, a charging interface is arranged on the test box body, and the charging interface is electrically connected with the rechargeable battery through a charging module.
It can be known from the above description of the present invention, compared with the prior art, the beneficial effects of the present invention are: the utility model discloses a with circuit break-make and short circuit test circuit, electric leakage test circuit integration setting in the test box to draw forth the terminal, set up corresponding status indication element and switching, control switch, can realize the break-make of electric circuit, short circuit, electric leakage bonding scheduling problem test through simple wiring and switch operation, easy and simple to handle swiftly, can operate alone, can improve the work efficiency of test greatly; an electrician does not need to hold an electroprobe for testing, does not need to connect 220V strong current, and can avoid wrong connection during the electrician testing, thereby effectively avoiding electric shock accidents during the electricity testing, reducing potential safety hazards and improving the safety and reliability of the testing work; the circuit state is indicated through the indicator light and the buzzer, and the circuit state is more visual.
Drawings
FIG. 1 is a perspective view of the electrical circuit testing box according to an embodiment of the present invention;
fig. 2 is an electrical wiring diagram of an electrical circuit testing box according to an embodiment of the present invention.
In the figure: 1. the testing electric box comprises a testing electric box, 2 a live wire terminal, 3 a zero line terminal, 4 a power supply ground wire terminal, 5 a grounding clip, 6 a power supply switch, 7 a testing mode selection switch, 8 an electric leakage testing switch, 9 a power supply battery, 10 a power supply indicator, 11 an electric leakage testing mode indicator, 12 an on-off and short-circuit testing mode indicator, 13 a first buzzer, 14 a second buzzer, 15 a voltage boosting plate, 16 a high-voltage module, 17 a live wire electric leakage indicator, 18 a zero line electric leakage indicator, 19 a power supply electric leakage ground wire indicator, 20 a high-voltage discharge indicator, 21 a charging interface, 22 a charging module.
Detailed Description
The present invention will be further described with reference to the following detailed description.
Example 1
Referring to fig. 1 and 2, the utility model discloses an electric circuit test box, including test box 1, set up in test box 1 outside live wire terminal 2, zero line terminal 3, power ground wire terminal 4, bonding ground clamp 5, switch 6, test mode selection switch 7, electric leakage test switch 8, mode indication module and set up circuit break-make and short circuit test circuit, electric leakage test circuit, power supply battery 9 in test box 1. The test mode selection switch 7 is used for controlling the circuit on-off and the alternate conduction of the short circuit test circuit or the electric leakage test circuit so as to switch between the circuit on-off and short circuit test mode and the electric leakage test mode. The working mode indicating module comprises a power supply indicating lamp 10, a leakage testing mode indicating lamp 11 electrically connected with the testing mode selecting switch 7, and an on-off and short-circuit testing mode indicating lamp 12.
The circuit on-off and short circuit testing circuit comprises a first buzzer 13, a second buzzer 14 and a boosting plate 15, wherein the input end of the boosting plate 15 is electrically connected with a power supply battery 9, the first buzzer 13 is connected in series in a first loop formed by a live wire binding post 2, a zero wire binding post 3 and the output end of the boosting plate 15, and a negative electrode, and the second buzzer 14 is connected in series in a second loop formed by the live wire binding post 2, a power supply ground wire binding post 4 and the output end of the boosting plate 15, and the negative electrode. The first buzzer 13 sounds differently from the second buzzer 14. The booster plate 15 receives an input voltage of 3.7V and outputs an output voltage of 12V.
The electric leakage test circuit comprises a high-voltage module 16 used for outputting high voltage required by electric leakage test, a live wire electric leakage indicator lamp 17, a zero line electric leakage indicator lamp 18, a power ground wire electric leakage indicator lamp 19, the input end of the high-voltage module 16 is electrically connected with a power supply battery 9, an electric leakage test switch 8 is connected in series between the power supply battery 9 and the high-voltage module 16, the positive electrode of the output end of the high-voltage module 16 is divided into three paths to be respectively connected with a live wire terminal 2 and a live wire electric leakage indicator lamp 17 in series, a zero line terminal 3 and a zero line electric leakage indicator lamp 18, a power ground wire terminal 4 and a power ground wire electric leakage indicator lamp 19, and a grounding clamp 5 is electrically connected with the negative electrode of the output end of the high-voltage module 16. A high-voltage discharge indicator lamp 20 is also connected in series between the leakage test switch 8 and the negative pole of the output end of the high-voltage module 16. The leakage test switch 8 is a jog switch. The high voltage module 16 is a 500V high voltage module.
The power supply battery 9 adopts a rechargeable battery, a charging interface 21 is arranged on the test box body 1, and the charging interface 21 is electrically connected with the rechargeable battery through a charging module 22. The rechargeable battery is a 3.7V lithium battery, and the charging interface 21 is a 5V charging interface.
Referring to fig. 1 and 2, the utility model discloses an electric circuit test box for when the circuit test, the operating procedure is as follows:
and (3) testing the on-off and short circuit of the circuit:
1) checking to confirm that the detected line is not connected with any strong electricity;
2) the method comprises the following steps that the ends of a live wire, a zero wire and a power ground wire of a tested line are stripped and respectively connected with a live wire binding post 2, a zero wire binding post 3 and a power ground wire binding post 4;
3) turning on a power switch 6, lighting a power indicator lamp 10, then dialing a test mode selection switch 7 to a circuit on-off and short circuit test mode, conducting a circuit on-off and short circuit test circuit, and lighting an on-off and short circuit test mode indicator lamp 12, and then starting to check whether the circuit is normal or not;
4) if the first buzzer 13 and the second buzzer 14 do not sound at the moment, no short circuit exists in the circuit; if the first buzzer 13 or the second buzzer 14 makes a sound at this time, it indicates that the short circuit problem exists in the line, and it is necessary to check whether the short circuit exists in the tested line;
5) under the condition that the tested line has no short circuit, the tail end of a live wire of the tested line is lightly clamped by a wire stripper to be used as a main wire, and the live wire and a zero wire are clamped to be lapped, wherein the first buzzer 13 makes a sound to indicate that the line is normal, and does not make a sound to indicate that the line is not connected; meanwhile, a live wire and a power supply ground wire are clamped, the second buzzer 14 gives out sound to indicate that the route is normal, and the circuit is not communicated if the second buzzer does not give out sound; if the two buzzers make a sound at the same time, the zero line and the power ground wire are indicated to be in short circuit.
When testing the electric leakage grounding of the circuit:
1) checking to confirm that the detected line is not connected with any strong electricity;
2) the method comprises the following steps that the ends of a live wire, a zero wire and a power ground wire of a tested line are stripped and respectively connected with a live wire binding post 2, a zero wire binding post 3 and a power ground wire binding post 4;
3) turning on a power switch 6, turning on a power indicator lamp 10, then dialing a test mode selection switch 7 to a leakage test mode, conducting a leakage test circuit, turning on a leakage test mode indicator lamp 11, and clamping a grounding clamp 5 on an electric box grounding or other metals; according to electric leakage test switch 8 during this time, look over simultaneously that the other electric leakage pilot lamp of the terminal that corresponds has or not to light, if one or more electric leakage pilot lamp light, then show that the electric wire that the terminal that the electric leakage pilot lamp that lights corresponds connects has leaked electricity or ground, and it is normal then to show not to light.
Example 2
This example differs from example 1 in that: the circuit on-off and short circuit testing circuit in the embodiment comprises a first buzzer 13 and a second buzzer 14, wherein the first buzzer 13 is connected in series in a first loop formed by the live wire terminal 2, the zero wire terminal 3 and the power supply battery 9, and the second buzzer 14 is connected in series in a second loop formed by the live wire terminal 2, the power supply ground wire terminal 4 and the power supply battery 9.
The aforesaid is only two concrete implementation manners of the utility model, nevertheless the utility model discloses a design concept is not limited to this, and all utilize this design right the utility model discloses carry out immaterial change, all should belong to and infringe the action of the scope of protection of the utility model.
Claims (10)
1. An electric circuit test box which is characterized in that: the leakage testing circuit comprises a high-voltage module used for outputting high voltage required by leakage testing, and the testing mode selection switch is used for controlling the on-off of the circuit and alternately switching on the short-circuit testing circuit or the leakage testing circuit so as to switch between the on-off of the circuit, the short-circuit testing and the leakage testing mode.
2. An electrical line testing cabinet according to claim 1, wherein: the circuit on-off and short circuit testing circuit comprises a first state indicating element and a second state indicating element, wherein the first state indicating element is connected in series in a first loop formed by the live wire binding post, the zero wire binding post and the power supply battery, and the second state indicating element is connected in series in a second loop formed by the live wire binding post, the power supply ground wire binding post and the power supply battery.
3. An electrical line testing box according to claim 2, wherein: the first state indicating element and the second state indicating element are buzzers with two different sounds.
4. An electrical line testing box according to claim 2, wherein: the circuit on-off and short circuit testing circuit further comprises a voltage boosting plate, the input end of the voltage boosting plate is electrically connected with the power supply battery, and the output end of the voltage boosting plate supplies power to the first loop and the second loop.
5. An electrical line testing cabinet according to claim 1, wherein: the leakage test circuit further comprises a live wire leakage state indicating element, a zero line leakage state indicating element and a power and ground wire leakage indicating element, the input end of the high-voltage module is electrically connected with the power supply battery, the leakage test switch is connected between the power supply battery and the high-voltage module in series, the positive electrode of the output end of the high-voltage module is divided into three paths, and the live wire terminal, the live wire leakage state indicating element, the zero line terminal, the zero line leakage state indicating element, the power and ground wire terminal and the power and ground wire leakage indicating element are respectively connected in series, and the negative electrode of the output end of the high-voltage module is electrically connected with the grounding clamp.
6. An electrical line testing cabinet according to claim 5 wherein: the live wire leakage state indicating element, the zero line leakage state indicating element and the power supply ground wire leakage indicating element are respectively a live wire leakage indicating lamp, a zero line leakage indicating lamp and a power supply ground wire leakage indicating lamp.
7. An electrical line testing cabinet according to claim 5 wherein: and a high-voltage discharge indicator lamp is also connected in series between the electric leakage test switch and the negative electrode of the output end of the high-voltage module.
8. An electrical line testing box according to claim 1 or 5, wherein: the electric leakage test switch adopts a inching switch.
9. An electrical line testing cabinet according to claim 1, wherein: the working mode indicating module comprises a power supply indicating lamp, an electric leakage testing mode indicating lamp and an on-off and short circuit testing mode indicating lamp, wherein the electric leakage testing mode indicating lamp is electrically connected with the testing mode selecting switch.
10. An electrical line testing cabinet according to claim 1, wherein: the power supply battery adopts a rechargeable battery, a charging interface is arranged on the test box body, and the charging interface is electrically connected with the rechargeable battery through a charging module.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120860691.8U CN215180778U (en) | 2021-04-25 | 2021-04-25 | Electric circuit test box |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120860691.8U CN215180778U (en) | 2021-04-25 | 2021-04-25 | Electric circuit test box |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215180778U true CN215180778U (en) | 2021-12-14 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120860691.8U Active CN215180778U (en) | 2021-04-25 | 2021-04-25 | Electric circuit test box |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215180778U (en) |
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2021
- 2021-04-25 CN CN202120860691.8U patent/CN215180778U/en active Active
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