CN211318676U

CN211318676U - Comprehensive characteristic test equipment for ground fault interrupter

Info

Publication number: CN211318676U
Application number: CN201921934425.4U
Authority: CN
Inventors: 张贵兵
Original assignee: Attestation Of Global Compliance Shenzhen Co ltd
Current assignee: Attestation Of Global Compliance Shenzhen Co ltd
Priority date: 2019-11-11
Filing date: 2019-11-11
Publication date: 2020-08-21
Anticipated expiration: 2029-11-11

Abstract

The utility model discloses a ground fault interrupter characteristic combined test equipment, including equipment shell, display screen, removable cover, connection hinge, buckle, power cord, switch knob, pilot lamp, current regulation knob, voltage regulation knob, recess, single-pole double-throw switch, current regulator, voltage regulator, single-chip microcomputer, test connecting wire and test probe. The utility model has the advantages that: the rotation single-pole double throw switch is in vertical disconnection through switch knob, three kinds of states are connected on the left side or the right side, can control the power disconnection of this equipment through switch knob, and carry out voltage test or current test function respectively, the input and the test probe of unit piece carry out electric connection, and the output display screen of unit piece carries out electric connection, can contact ground fault interrupter back to the test probe, by circular telegram to the time of outage analysis, and show through the display screen, be convenient for test ground fault interrupter's reaction time.

Description

Comprehensive characteristic test equipment for ground fault interrupter

Technical Field

The utility model relates to a test equipment specifically is a ground fault interrupter characteristic combined test equipment, belongs to the experimental technical field of ground fault characteristic.

Background

The ground fault interrupter is a device capable of automatically cutting off power when a short circuit, a short circuit or overload occurs to a circuit to ensure the safety of the circuit, but the performance and the comprehensive characteristics of the device need to be tested, so that special test equipment needs to be used for testing.

For the existing test device, one test device can only be used for one-way test, if only one-way test can be carried out, such as only one-way test can be carried out, current overload or reaction time, comprehensive test can not be carried out conveniently, and the second test device is used for connecting equipment and a ground fault breaker conveniently, a detection line connected with the equipment is often longer, and a detection probe and a detection connecting line of the existing test equipment are arranged outside the equipment, so that the existing test equipment is not convenient to store and release, and is easy to damage.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a ground fault interrupter characteristic combined test equipment just for solving above-mentioned problem.

The utility model discloses a following technical scheme realizes above-mentioned purpose: a comprehensive characteristic test device for a ground fault interrupter comprises a device shell, a display screen, a movable cover, a connecting hinge, a buckle, a power line, a switch knob, an indicator light, a current adjusting knob, a voltage adjusting knob, a groove, a single-pole double-throw switch, a current regulator, a voltage regulator, a single chip, a test connecting line and a test probe; the display screen and the movable cover are installed on the upper plate surface of the equipment shell, the display screen fixing clamp is placed in a placement groove formed in the equipment shell, the movable cover is arranged above a groove formed in the equipment shell, one side of the movable cover is connected with the equipment shell through a connecting hinge, the other side of the movable cover is connected with the equipment shell through a buckle, one end of a power line penetrates through the equipment shell to be connected with the single-pole double-throw switch, the other end of the power line is electrically connected with an external power supply, the switch knob, the indicator lamp, the current adjusting knob and the voltage adjusting knob are all installed on the front plate surface of the equipment shell, the single-pole double-throw switch, the current adjuster, the voltage adjuster and the single-machine plate are all installed inside the equipment shell, the switch knob is connected with the single-pole double-throw switch, and the indicator lamp is located right above the switch knob, the testing device comprises a current adjusting knob, a voltage adjusting knob, a single-chip microcomputer, a single-pole double-throw switch, a testing connecting wire and a testing probe, wherein the current adjusting knob is connected with the rotation adjusting end of the current adjuster, the voltage adjusting knob is connected with the rotation adjusting end of the voltage adjuster, the current adjuster and the voltage adjuster are respectively connected with two ends of the single-pole double-throw switch through wires, the single-chip microcomputer is electrically connected with an external power supply through a power wire, the single-chip microcomputer is arranged below a display screen, the positive and negative electrodes of the output ends of the current adjuster and the voltage adjuster are respectively connected with the testing connecting wire.

Preferably, in order to play a stabilizing role in the working process of the test equipment, the equipment shell is a square shell, and the lower surface of the equipment shell is provided with a rubber bottom pad.

Preferably, in order to be able to control the power supply of the device to be disconnected through the switch knob and perform a voltage test or a current test function respectively, the rotating single pole of the single pole double throw switch is in three states of vertical disconnection, left connection or right connection through the switch knob.

Preferably, the current regulator and the voltage regulator respectively perform current and voltage output regulation by a current regulation knob and a voltage regulation knob so as to test the short circuit, the load and the like of the circuit of the ground fault interrupter.

Preferably, in order to facilitate testing of the response time of the ground fault interrupter, the input end of the single chip is electrically connected with the test probe, and the output end display screen of the single chip is electrically connected.

Preferably, in order to prevent the test connecting line and the test probe from being damaged easily outside the device, the test connecting line and the test probe are both accommodated in the groove.

The utility model has the advantages that: the comprehensive test equipment for the characteristics of the ground fault breaker has reasonable design, the equipment shell is a square shell, the lower surface of the equipment shell is provided with a rubber bottom pad, the equipment shell is prevented from being placed on a worktable surface, and simultaneously, the test equipment can play a stabilizing role during working, a rotating single pole of a single-pole double-throw switch is in three states of vertical disconnection, left side connection or right side connection through a switch knob, the power supply disconnection of the equipment can be controlled through the switch knob, and the test equipment can respectively perform a voltage test or a current test function, is convenient to operate and use, a current regulator and a voltage regulator respectively perform current and voltage output regulation through the current regulating knob and the voltage regulating knob, can test the conditions of short circuit, short circuit or load and the like of a circuit on the ground fault breaker, realizes a comprehensive test, and the input end of a single chip is electrically connected with a test probe, and the output display screen of unit piece carries out electric connection, can contact ground fault breaker back to the test probe, carry out the analysis by the time of circular telegram to the outage, and show the analysis result through the display screen, so that test ground fault breaker's reaction time, test connecting wire and test probe all receive and release in the recess, take out during the use, receive and release after the use, prevent that test connecting wire and test probe from receiving the damage easily in the equipment outside.

Drawings

FIG. 1 is a schematic perspective view of the present invention;

FIG. 2 is a schematic sectional view of the present invention;

fig. 3 is a schematic view of the top view structure of the present invention.

In the figure: 1. the device comprises a device shell, 2, a display screen, 3, a movable cover, 4, a connecting hinge, 5, a buckle, 6, a power line, 7, a switch knob, 8, an indicator light, 9, a current adjusting knob, 10, a voltage adjusting knob, 11, a groove, 12, a single-pole double-throw switch, 13, a current regulator, 14, a voltage regulator, 15, a single chip, 16, a test connecting line and 17 and a test probe.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1 to 3, a comprehensive test device for characteristics of a ground fault interrupter includes 1. a device housing 1, a display screen 2, a movable cover 3, a connecting hinge 4, a buckle 5, a power line 6, a switch knob 7, an indicator light 8, a current adjusting knob 9, a voltage adjusting knob 10, a groove 11, a single-pole double-throw switch 12, a current regulator 13, a voltage regulator 14, a single-unit piece 15, a test connection line 16 and a test probe 17; the display screen 2 and the movable cover 3 are installed on the upper plate surface of the equipment shell 1, the display screen 2 is fixedly clamped in a placing groove formed in the equipment shell 1, the movable cover 3 is arranged above a groove 11 formed in the equipment shell 1, one side of the movable cover 3 is connected with the equipment shell 1 through a connecting hinge 4, the other side of the movable cover 3 is connected with the equipment shell 1 through a buckle 5, one end of a power line 6 penetrates through the equipment shell 1 to be connected with a single-pole double-throw switch 12, the other end of the power line 6 is electrically connected with an external power supply, a switch knob 7, an indicator light 8, a current adjusting knob 9 and a voltage adjusting knob 10 are all installed on the front plate surface of the equipment shell 1, the single-pole double-throw switch 12, the current regulator 13, the voltage regulator 14 and a single-chip 15 are all installed in the equipment shell 1, the switch knob 7 is connected with the single-pole double-throw switch 12, the indicator light 8 is located right above the switch knob 7, the current adjusting knob 9 is connected with a rotation adjusting end of a current regulator 13, the voltage adjusting knob 10 is connected with a rotation adjusting end of a voltage regulator 14, the current regulator 13 and the voltage regulator 14 are respectively connected with two ends of the single-pole double-throw switch 12 through wires, the single-chip 15 is electrically connected with an external power supply through a power wire 6, the single-chip 15 is installed below the display screen 2, positive and negative poles of output ends of the current regulator 13 and the voltage regulator 14 are respectively connected with a test connecting wire 16, and the other end of the test connecting wire 16 is connected with a test probe 17.

The equipment shell 1 is a square shell, a rubber bottom pad is arranged on the lower surface of the equipment shell 1, the equipment shell 1 is prevented from being placed on a workbench surface, meanwhile, the test equipment can be stabilized during working, the rotating single pole of the single-pole double-throw switch 12 is in three states of vertical disconnection, left connection or right connection through the switch knob 7, the power supply disconnection of the equipment can be controlled through the switch knob 7, and voltage test or current test functions are respectively carried out, so that the test equipment is convenient to operate and use, the current regulator 13 and the voltage regulator 14 respectively carry out current and voltage output regulation through the current regulating knob 9 and the voltage regulating knob 10, the ground fault interrupter can be tested for the conditions of short circuit, short circuit or load and the like, so that a comprehensive test is realized, and the input end of the single-chip 15 is electrically connected with the test probe 17, and single-chip 15's output display screen 2 carries out electric connection, can contact ground fault interrupter back to test probe 17, by the time of circular telegram to the outage carry out the analysis to show analysis result through display screen 2, so that test ground fault interrupter's reaction time, test connecting wire 16 and test probe 17 all receive and release in recess 11, take out during the use, receive and release after the use, prevent that test connecting wire 16 and test probe 17 from receiving the damage easily in the equipment outside.

The working principle is as follows: when the ground fault interrupter characteristic comprehensive test device is used, firstly, the power supply is switched on through the power cord 6, the test connecting line 16 and the test probe 17 are taken out from the groove 11, the test probe 17 is in contact connection with the ground fault interrupter, when an overload test is carried out, the switch knob 7 is rotated to enable the circuit connected with the current regulator 13 to form a passage, the output current is increased through rotating the current adjusting knob 9 until the ground fault interrupter is disconnected, the current value at the moment is displayed through the display screen 2, when a short-circuit test is carried out, the switch knob 7 is rotated to enable the circuit connected with the voltage regulator 14 to form a passage, the output power supply is increased through rotating the voltage adjusting knob 10 until the ground fault interrupter is disconnected, the voltage value at the moment is displayed through the display screen 2, when a reaction time test is carried out, the value of the current regulator 13 or the voltage regulator 14 is adjusted to be disconnected, the single chip 15 analyzes the time from power-on to power-off after the test probe 17 contacts the ground fault interrupter, and displays the analysis result through the display screen 2.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims

1. The utility model provides a ground fault interrupter characteristic combined test equipment which characterized in that: the device comprises a device shell (1), a display screen (2), a movable cover (3), a connecting hinge (4), a buckle (5), a power line (6), a switch knob (7), an indicator light (8), a current adjusting knob (9), a voltage adjusting knob (10), a groove (11), a single-pole double-throw switch (12), a current regulator (13), a voltage regulator (14), a single-chip (15), a test connecting line (16) and a test probe (17); the device comprises a device shell (1), wherein a display screen (2) and a movable cover (3) are installed on the surface of the device shell (1), the display screen (2) is fixedly clamped in a placement groove formed in the device shell (1), the movable cover (3) is arranged above a groove (11) formed in the device shell (1), one side of the movable cover (3) is connected with the device shell (1) through a connecting hinge (4), the other side of the movable cover (3) is connected with the device shell (1) through a buckle (5), one end of a power line (6) penetrates through the device shell (1) to be connected with a single-pole double-throw switch (12), the other end of the power line (6) is electrically connected with an external power supply, and the switch knob (7), an indicator lamp (8), a current adjusting knob (9) and a voltage adjusting knob (10) are all installed on the front surface of the device shell (1), the single-pole double-throw switch (12), the current regulator (13), the voltage regulator (14) and the single-machine piece (15) are all installed inside the equipment shell (1), the switch knob (7) is connected with the single-pole double-throw switch (12), the indicator lamp (8) is located right above the switch knob (7), the current regulating knob (9) is connected with the rotation regulating end of the current regulator (13), the voltage regulating knob (10) is connected with the rotation regulating end of the voltage regulator (14), the current regulator (13) and the voltage regulator (14) are respectively connected with two ends of the single-pole double-throw switch (12) through leads, the single-machine piece (15) is electrically connected with an external power supply through a power cord (6), the single-machine piece (15) is installed below the display screen (2), the positive and negative ends of the output ends of the current regulator (13) and the voltage regulator (14) are respectively connected with a test connecting wire (16) Connected together, and the other end of the test connecting line (16) is connected with a test probe (17).

2. A ground fault interrupter characteristic combination test apparatus according to claim 1, wherein: the equipment shell (1) is a square shell, and a rubber bottom pad is arranged on the lower surface of the equipment shell (1).

3. A ground fault interrupter characteristic combination test apparatus according to claim 1, wherein: the rotating single pole of the single-pole double-throw switch (12) is in three states of vertical disconnection, left side connection or right side connection through a switch knob (7).

4. A ground fault interrupter characteristic combination test apparatus according to claim 1, wherein: the current regulator (13) and the voltage regulator (14) respectively carry out current and voltage output regulation through a current regulation knob (9) and a voltage regulation knob (10).

5. A ground fault interrupter characteristic combination test apparatus according to claim 1, wherein: the input end of the single-chip (15) is electrically connected with the test probe (17), and the output end display screen (2) of the single-chip (15) is electrically connected.

6. A ground fault interrupter characteristic combination test apparatus according to claim 1, wherein: the test connecting line (16) and the test probe (17) are both stored in the groove (11).