CN215768842U

CN215768842U - Testing device for insulation and voltage resistance of gas detector

Info

Publication number: CN215768842U
Application number: CN202121814728.XU
Authority: CN
Inventors: 张翔; 岳广清; 张娜
Original assignee: Tianjin Figaro Electronics Co Ltd
Current assignee: Tianjin Figaro Electronics Co Ltd
Priority date: 2021-08-05
Filing date: 2021-08-05
Publication date: 2022-02-08
Anticipated expiration: 2031-08-05

Abstract

The utility model discloses a device for testing insulation and voltage resistance of a gas detector. Each testing module is provided with eight channels, each channel is provided with a respective control signal line, the testing modules are arranged in two layers in the middle of the testing vehicle, two testing modules are arranged in each layer, and each testing module is used for testing two detectors; two positioning holes and eight channel holes are arranged on the back of each test module, the test module is connected with a test vehicle in a plugging mode, a microswitch is arranged below each probe of the test module, during testing, a detector is placed in the test module, a terminal of the detector is in contact with the probe of the test module, a pressing plate on the test module above the detector is covered, the terminal of the detector is in effective contact with the probe, and all the microswitches in the test module are connected in series. The utility model replaces manual wiring, and operators do not need to carry out complicated wiring and remember the power supply voltage of the product by each model.

Description

Testing device for insulation and voltage resistance of gas detector

Technical Field

The utility model relates to the field of gas detector testing equipment, in particular to a testing device for insulation and voltage resistance of a gas detector.

Background

In the production link of the detector, in order to ensure the product quality, insulation and voltage resistance tests are required after the product assembly is finished, namely, the insulation resistance and the electrical strength between an external live terminal and a shell, between a power plug and the shell and between a power wiring terminal and the shell of the product are detected, and the detector can enter the next procedure after the detector is detected to be qualified. (note: outdoor type detector is generally explosion-proof metal casing structure)

The detector adopts a 220V alternating current or 24V direct current voltage power supply mode and has an output function of external control or a bus communication function. The detector generally has six to eight outside electrified terminals or power supply terminals, and traditional operation mode is manual wiring, connects all electrified terminals of detector in parallel through the wire for the turnover and then links to each other with the tester positive pole, and shell ground connection position links to each other with the tester negative pole, and the wiring position exposes in the workplace, can't accomplish safe protection, still need to demolish the wire for the turnover after the test is accomplished. Therefore, the manual operation amount is large, and potential safety hazards exist.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the technical problem of providing a testing device which is simple and safe to operate and used for the insulation and voltage resistance of a gas detector. The utility model replaces manual wiring, thereby being beneficial to safety protection and improving the operation efficiency.

The utility model relates to a testing device for insulation and voltage resistance of a gas detector, which comprises testing modules and a testing vehicle, wherein each testing module is provided with eight channels, each channel is provided with a respective control signal line, the middle two layers of the testing vehicle are provided with the testing modules, each layer is provided with two testing modules, and each testing module is used for testing two detectors; two positioning holes and eight channel holes are arranged on the back of each test module, the test module is connected with a test vehicle in a plugging mode (a signal terminal structure of the test module is plugged into a probe structure of the test vehicle), a microswitch is arranged below each probe of the test module, during testing, the detector is placed into the test module, the terminal of the detector is contacted with the probe of the test module, a pressing plate on the test module above the detector is covered, due to the pressure of the pressing plate, the terminal of the detector is effectively contacted with the probe, the microswitch can be triggered when a certain stroke is reached, all the microswitches in the test module adopt a series connection mode, all the microswitches generate an effective signal, and when the effective signal is triggered, an insulating and pressure-resistant tester can light up a contact state indicating lamp corresponding to the position of the detector.

During the operation, all detectors are placed in the test module, the pressing plate is pressed, the condition of each loop of contact state indicator lamp is observed, if the contact state indicator lamp is abnormal, the insulation and pressure-resistant tester is opened, and after the detection is finished, whether the detection data are abnormal is observed, if the contact state indicator lamp is abnormal, the pressing plate is opened, and the detectors of the next batch are replaced. The test module is made of insulated bakelite, has no exposed conductive object, and is safe and reliable. The original manual wiring mode is eliminated, the operation efficiency is greatly improved, and meanwhile, the safety of operators is ensured.

The utility model has the following beneficial effects:

1. the utility model replaces manual wiring, and operators do not need to carry out complicated wiring and remember the power supply voltage of the product by each model. The insulation and voltage resistance tester is inserted into the test module corresponding to the product to be detected, and the product is placed in the test module to be tested, so that the operation efficiency is improved, and the misoperation phenomenon is prevented.

2. The micro switch is arranged in the test module, so that the detection accuracy is ensured, and the test missing phenomenon is avoided.

3. The test module is made of insulated bakelite without exposed conductive objects, thereby ensuring the safety of the operating environment and operators.

Drawings

FIG. 1 is a front view of the test module of the present invention;

FIG. 2 is a back side overall structure of the test module of the present invention;

FIG. 3 is a schematic view of the overall structure of the aging vehicle for connecting the test module according to the present invention;

fig. 4 is a schematic view of the overall structure of the aging vehicle.

Detailed Description

The utility model is further described below with reference to the accompanying drawings:

as shown in fig. 1-4, a testing device for insulation and voltage resistance of a gas detector comprises a testing module 5 and a testing vehicle 6, wherein the testing module has eight channels, each channel has a respective control signal line, the testing vehicle is provided with two testing modules at the middle layer, each layer is provided with two testing modules, and each testing module can be used for testing two detectors; the test module device has two 3 holes in location and eight control signal line holes 4 behind one's back, is connected with the test car through the mode of plug (test module's signal terminal structure and test car contact probe 8 structure carry out the plug), can satisfy dielectric strength and electric strength test requirement. Different products correspond to different test modules, and an operator can replace the test modules at any time according to the products.

According to different terminal structures of detector products, the test module needs to be provided with probes in different numbers and different positions, and the test module is provided with a test-missing prevention structure in order to ensure that the terminals of the detector are effectively contacted with the probes of the test module and avoid the phenomenon of test missing of the terminals of the detector. A micro-gap switch 1 is installed below each probe of the test module, the terminal of the detector contacts with a probe 2 of the test module during testing, a pressing plate 7 is covered at the moment, the detector can extrude the probe, only the terminal of the detector effectively contacts with the probe and can trigger the micro-gap switch when reaching a certain stroke, the micro-gap switch in the test module adopts a series connection mode, and only all micro-gap switches are operated to generate an effective signal. When an effective signal of a detector microswitch triggers, the contact state indicator lamp of the insulation and voltage resistance tester corresponding to the detector position can be lightened, and an operator can test the detector after determining that the indicator lamps of all detection positions are lightened.

The following is a brief description of the use of the utility model:

1. as shown in fig. 1, the probe test probes correspond one-to-one to the bottom microswitches.

2. As shown in FIG. 1, the probe is placed into the test module, the test module pressure plate is buckled, and the test probe is connected with the bottom microswitch and generates an effective signal.

3. As shown in fig. 3, after the valid signal is sent, the contact status indicator lamp at the corresponding position is turned on.

4. As shown in fig. 3, after confirming that the contact state is normal, the operator starts the present invention to test the detector, and observes whether the test data is normal on the test data display interface.

5. As shown in fig. 3, the bottom of the utility model is provided with rollers which can be freely pushed.

Claims

1. A testing device for insulation and voltage resistance of a gas detector is characterized by comprising testing modules and a testing vehicle, wherein each testing module is provided with eight channels, each channel is provided with a control signal line, the testing modules are arranged in the middle two layers of the testing vehicle, each layer is provided with two testing modules, and each testing module is used for testing two detectors; there are two locating holes and eight passway holes behind every test module, the mode that carries out the plug through test module's signal terminal structure and test car contact probe structure is connected with the test car, a micro-gap switch is equipped with below each probe of test module, the terminal of detector contacts with test module's probe during the test, cover the clamp plate that is located the test module of detector top this moment, the terminal of detector can trigger micro-gap switch when effectively contacting with the probe and reaching certain stroke, all micro-gap switches in the test module adopt the series connection mode, all micro-gap switches produce an effective signal, insulating, withstand voltage tester can light to the contact state pilot lamp that should the detector position when effective signal triggers.

2. The insulation and voltage resistance testing device for the gas detector as claimed in claim 1, wherein an insulation and voltage resistance tester is placed on the top layer of the testing vehicle.

3. The insulation and voltage resistance testing device for the gas detector as claimed in claim 1, wherein rollers are respectively arranged at four corners of the bottom of the testing vehicle.