CN216133181U

CN216133181U - Lamp protection conductor current measurement switching box

Info

Publication number: CN216133181U
Application number: CN202122713659.XU
Authority: CN
Inventors: 孔强强; 宋庆军; 谭晨; 曹艳芬; 王庆民; 王美霞; 李丹丹; 颜廷伟
Original assignee: Jining Semiconductor And Display Products Quality Inspection Center
Current assignee: Jining Semiconductor And Display Products Quality Inspection Center
Priority date: 2021-11-08
Filing date: 2021-11-08
Publication date: 2022-03-25
Anticipated expiration: 2031-11-08

Abstract

The utility model relates to the field of lamp safety tests, in particular to a lamp protection conductor current measurement switching box which comprises an organic glass shell, a sample test terminal, a resistance wiring terminal, a capacitance wiring terminal, a voltmeter wiring terminal and a BNC connector output terminal. Wherein the organic glass shell can play insulating protective action, and the one end of sample test terminal is connected with resistance binding post, electric capacity binding post's one end respectively, and the other end of sample test terminal is connected with resistance binding post, electric capacity binding post's the other end respectively, and voltmeter binding post links to each other with electric capacity binding post's both ends respectively, and BNC connects output terminal's both ends and links to each other with electric capacity binding post's both ends respectively. The utility model can quickly and conveniently connect a test instrument and a sample, can test different types of resistance-capacitance networks, saves time and labor during wiring in the test, meets the standard requirement and greatly improves the working efficiency.

Description

Lamp protection conductor current measurement switching box

Technical Field

The utility model relates to the field of lamp safety tests, in particular to a test for measuring contact current of a lamp, current of a protection conductor and current of the protection conductor in an electric burn project.

Background

With the continuous development of LED lighting technology, lamp manufacturers are increasing, various types of lamps are developed, the application fields are wider and wider, and the safety performance of the lamps directly concerns the life and property safety of people. The safety inspection of lamps is specified in the mandatory national standard GB7000.1 and is a general standard for safety inspection of lamps. The contact current, the protection conductor current and the electric burn are important detection items in safety test, and the test method for verifying the contact current, the protection conductor current and the electric burn is different according to different types of lamps, but is of great importance for detecting whether the current of the protection conductor of the lamps is qualified or not for lamps with electric shock protection of type I.

In an electrical product detection laboratory, equipment for measuring leakage current is provided, so that the measurement of the contact current of an electrical product can be met, but the current test of a lamp protection conductor has separate measurement network requirements and technical requirements. The lamp protection conductor current measurement adapter box strictly meets the standard technical requirements, is simple in structure and convenient to wire, and aims to better utilize the existing voltage and current detection equipment in a laboratory and solve the problems of complex wiring and complex operation of measurement personnel in a test.

Disclosure of Invention

The utility model is realized by the following technical scheme: this lamps and lanterns protection conductor current measurement switching box comprises organic glass shell, sample test terminal, resistance binding post, electric capacity binding post, voltmeter binding post and BNC joint output terminal. Wherein the organic glass shell can play insulating protective action, and the one end of sample test terminal is connected with resistance binding post, electric capacity binding post's one end respectively, and the other end of sample test terminal is connected with resistance binding post, electric capacity binding post's the other end respectively, and voltmeter binding post links to each other with electric capacity binding post's both ends respectively, and BNC connects output terminal's both ends and links to each other with electric capacity binding post's both ends respectively.

The organic glass shell is a six-sided box body made of insulating organic glass, and a wiring port is embedded in the outer surface of the box body;

the sample test terminal and the voltmeter connecting terminal are terminals which can be wound and screwed down and can be plugged and pulled, and are respectively used for connecting a sample test current input and the digital multimeter;

the resistance wiring terminal and the capacitance wiring terminal are both press type wiring terminals and are respectively used for connecting resistors with different resistance values and capacitors with different capacities;

the BNC connector output terminal is a universal BNC connector of an oscilloscope, can be connected with a BNC port of the oscilloscope through a coaxial cable and is used for measuring output waveforms.

Drawings

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

fig. 2 is a schematic internal wiring diagram of the present invention.

Wherein, 1, 2 are sample test terminal both ends respectively, and 3, 4 are resistance binding post both ends, and 5, 6 are electric capacity binding post both ends, and 7, 8 are voltmeter binding post both ends, and 9, 10 are BNC joint output terminal both ends, and 11 are the organic glass shell.

Detailed Description

The structure of the lamp protection conductor current measurement adapter box is shown in figure 1 and comprises

sample test ends

1 and 2,

resistor wiring ends

3 and 4,

capacitor wiring ends

5 and 6, voltmeter wiring ends 7 and 8, BNC connector output ends 9 and 10 and an organic glass shell 11.

FIG. 1 illustrates: 1. 2, 7 and 8 are binding posts which can be wound and pulled out and are used for connecting a lead; wherein: 1 and 2 are sample test terminal terminals for connecting with a grounding part for receiving a sample, and 7 and 8 are voltmeter terminal terminals for connecting with a test lead of a digital multimeter; 3. 4, a press type wiring terminal is used for connecting test resistors with different sizes and standard requirements; 5. 6, a press type wiring terminal is used for connecting test capacitors with different sizes required by the connection standard; 9 is the positive pole of BNC joint output terminal, 10 is the negative pole of BNC joint output terminal, looks over the test waveform through coaxial cable connection oscilloscope, and 11 is the organic glass shell, plays insulating protective action.

The working principle is as follows: taking a certain path of lamp as an example, the ground wire of the tested lamp is connected to a sample test end 1, the grounding part end is connected to a sample test end 2, a test resistor of 150 Ω required in GB7000.1 is selected to be connected to 3 and 4, a test capacitor of 1.5uF required in GB7000.1 is selected to be connected to 5 and 6, the test wire of the digital multimeter is connected to 7 and 8, the oscilloscope is connected to BNC connectors 9 and 10 through a coaxial cable, the sample supplies power, so that a required voltage value can be read out from the digital multimeter, and an output waveform can be viewed on the oscilloscope.

The utility model can quickly and conveniently connect a tested product, a test resistor and a capacitor, can selectively connect test instruments according to the requirements of different users, can only test voltage and can also check waveforms, and the wiring in the test is time-saving, labor-saving and effective, thereby meeting the standard requirements and greatly improving the working efficiency. The utility model discloses a fine market perspective has.

Claims

1. A lamp protection conductor current measurement switching box comprises an organic glass shell, a sample test terminal, a resistance wiring terminal, a capacitance wiring terminal, a voltmeter wiring terminal and a BNC connector output terminal; wherein the organic glass shell can play insulating protective action, and the one end of sample test terminal is connected with resistance binding post, electric capacity binding post's one end respectively, and the other end of sample test terminal is connected with resistance binding post, electric capacity binding post's the other end respectively, and voltmeter binding post links to each other with electric capacity binding post's both ends respectively, and BNC connects output terminal's both ends and links to each other with electric capacity binding post's both ends respectively.

2. The lamp protection conductor current measurement junction box of claim 1, wherein: the organic glass shell is a six-sided box body made of insulating organic glass, and the outer surface of the organic glass shell is embedded with a wiring port.

3. The lamp protection conductor current measurement junction box of claim 1, wherein: the sample test terminal and the voltmeter connecting terminal are terminals which can be wound and screwed down and can be plugged and pulled out, and are respectively used for connecting the sample test current input and the digital multimeter.

4. The lamp protection conductor current measurement junction box of claim 1, wherein: resistance binding post, electric capacity binding post all adopt the push type terminal, be used for connecting the resistance of different resistance size and the electric capacity of different capacity size respectively.

5. The lamp protection conductor current measurement junction box of claim 1, wherein: the BNC connector output terminal is a universal BNC connector of an oscilloscope, can be connected with a BNC port of the oscilloscope through a coaxial cable and is used for measuring output waveforms.