CN210835045U - Voltage measuring device of electrostatic generator - Google Patents

Abstract

The utility model relates to an electrostatic generator voltage measuring device, including electrostatic generator and measuring device main part, the measuring device main part includes response subassembly, decay subassembly, control assembly, display module, power supply unit spare and shell, the response subassembly includes metallic conductor and power line, metallic conductor's one end is connected with the power line, metallic conductor's the other end is connected with electrostatic generator, the decay subassembly includes sliding resistance, action bars and spout, sliding resistance's one end has metallic conductor through power line electric connection, sliding resistance electric connection has the control assembly, control assembly electric connection has the display module, power supply unit spare electric connection has the control assembly. This device can carry out operating condition's verification to electrostatic generator, and convenient to use, low cost have effectively improved the convenience of carrying out the verification to electrostatic generator, improve the efficiency that detects the verification.

Description

Voltage measuring device of electrostatic generator

Technical Field

The utility model relates to a measuring device technical field especially relates to an electrostatic generator voltage measurement device.

Background

Electrostatic discharge (ESD) refers to charge transfer caused by objects having different electrostatic potentials coming into close proximity or direct contact with each other, which may cause serious damage or operation malfunction of electronic devices, and thus is a very important indicator in chip and system design. The ESD test is also called an electrostatic discharge immunity test, and may be used to simulate the discharge generated when a person or an object contacts the device, or simulate the discharge of the person or the object to an adjacent object, so as to detect the capability of the device under test against electrostatic interference. The ESD test comprises two discharge modes, namely direct discharge and indirect discharge, wherein the direct discharge mode mainly comprises contact discharge, and the indirect discharge mode mainly comprises air discharge. The contact discharge needle is used for simulating the situation that the electronic product is damaged due to human body discharge possibly existing in the production or transportation and use processes. Air discharge is a discharge mode aiming at insulating paint coated outside a plastic shell or a metal shell, and the discharge mode is a mode of breaking down air not through direct contact but through high-voltage electrostatic pulse so as to transmit the air into a product to cause damage of an electronic product or a component, and mainly tests the tightness and the insulating property of a joint or a key gap of the plastic shell.

Because the voltage output condition during electrostatic discharge can not be directly monitored during testing, whether the output of the electrostatic generator meets the testing requirement can not be ensured, the generator of the electrostatic test needs to be checked before the test so as to ensure that the electrostatic test system is in a normal working state.

Generally, the electrostatic generator needs to be calibrated after being used for a period of time, and during the two calibration periods, the electrostatic generator does not need to be additionally calibrated, but during the period of time, due to the existence of factors such as use consumption and the like, the electrostatic generator always keeps a good confidence verification/calibration state in the time period between the two calibrations, and the use effect of the electrostatic generator is influenced.

In the prior art, expensive equipment such as a high-voltage voltmeter, an oscilloscope, an electrostatic target and a Faraday cage is required to be used for checking the electrostatic generator, the cost is high, the oscilloscope is required to be operated in a complex manner during checking, the process steps are complicated, and the checking work efficiency is low.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an electrostatic generator voltage measuring device possesses the reduction and detects the cost, improves detection efficiency's characteristics, has solved the problem among the prior art.

In order to achieve the above object, the utility model provides a following technical scheme: an electrostatic generator voltage measuring device comprises an electrostatic generator and a measuring device main body, wherein the measuring device main body comprises a sensing assembly, an attenuation assembly, a control assembly, a display assembly, a power supply assembly and a shell, the sensing assembly comprises a metal conductor and a power line, one end of the metal conductor is connected with the power line, the other end of the metal conductor is connected with the electrostatic generator, one end of the power line is electrically connected with the metal conductor, the other end of the power line is electrically connected with the attenuation assembly, the attenuation assembly comprises a sliding resistor, an operating rod and a sliding groove, one end of the sliding resistor is electrically connected with the metal conductor through the power line, the sliding resistor is slidably connected with the operating rod, the shell is arranged outside the measuring device main body, the sliding groove is formed in the shell, the operating rod is positioned in the middle of the sliding groove, and the sliding resistor is, the control assembly is electrically connected with the display assembly, and the power supply assembly is electrically connected with the control assembly.

Preferably, the control component is an analog-to-digital conversion chip.

Preferably, the sliding resistor comprises a resistance wire and a sliding block, the resistance wire is connected with the sliding block in a sliding mode, and the sliding block is electrically connected with the control assembly.

Preferably, the power supply assembly comprises a voltage stabilizing chip and a power supply.

Preferably, the display component is a three-dimensional nixie tube.

Compared with the prior art, the beneficial effects of the utility model are as follows:

the utility model discloses an electrostatic generator voltage measuring device, metal conductor direct contact electrostatic generator through among the response subassembly receives electrostatic generator voltage, and send voltage signal for the control assembly after through the sliding resistance decay, analog-to-digital conversion chip effect in the control assembly turns into digital signal with voltage signal, then send to the display module and show, stable in structure, and is simple in operation, can carry out operating condition's verification to electrostatic generator, need not to use current high-voltage voltmeter, oscilloscope, expensive equipment such as static target and Faraday cage, compare in prior art the device of verifying of electrostatic generator that the invention provides has convenient to use, low cost's advantage, thereby effectively improved the convenience of carrying out the verification to electrostatic generator, improve the efficiency of detecting the verification.

Drawings

FIG. 1 is an overall structure diagram of the present invention;

FIG. 2 is a connection diagram of the electrostatic generator and the measuring device body of the present invention;

FIG. 3 is a diagram of the attenuation module of the present invention;

fig. 4 is a structure diagram of the measuring device body of the present invention.

In the figure: 1. an electrostatic generator; 2. a measuring device main body; 21. an inductive component; 211. a metal conductor; 212. a power line; 22. an attenuation component; 221. a sliding resistor; 2211. a resistance wire; 2212. a slider; 222. an operating lever; 223. a chute; 23. a control component; 24. a display component; 25. a power supply assembly; 26. a housing.

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. 1-4, an electrostatic generator voltage measuring device includes an electrostatic generator 1 and a measuring device main body 2, the measuring device main body 2 includes a sensing component 21, an attenuation component 22, a control component 23, a display component 24, a power supply component 25 and a housing 26, the sensing component 21 includes a metal conductor 211 and a power line 212, one end of the metal conductor 211 is connected to the power line 212, the other end of the metal conductor 211 is connected to the electrostatic generator 1, one end of the power line 212 is electrically connected to the metal conductor 211, the other end of the power line 212 is electrically connected to the attenuation component 22, the attenuation component 22 includes a sliding resistor 221, an operating rod 222 and a sliding chute 223, the operating rod 222 can adjust the resistance value by sliding along the sliding chute 223, the sliding resistor 221 includes a resistance wire 2211 and a sliding block 2212, the resistance wire 2211 is slidably connected to a sliding block 2212, the sliding block 2212, a sliding block 2212 is connected with a resistance wire 2211 in a sliding mode, the action length of the resistance wire 2211 is adjusted, the resistance value of the resistance wire is adjusted, one end of a sliding resistor 221 is electrically connected with a metal conductor 211 through a power line 212, the sliding resistor 221 is connected with an operating rod 222 in a sliding mode, a shell 26 is arranged outside a measuring device main body 2, the shell 26 and the operating rod 222 are both made of plastic insulating materials, safety of operators is protected, a sliding groove 223 is formed in the shell 26, the operating rod 222 is located in the middle of the sliding groove 223, the sliding resistor 221 is electrically connected with a control component 23, the control component 23 is an analog-to-digital conversion chip, the analog-to-digital conversion chip is connected with a resistor and a capacitor and used for converting voltage signals into digital signals and then sending the digital signals to a display component 24 for displaying, the structure is stable, Compared with the prior art, the device for checking the electrostatic generator has the advantages of being convenient to use and low in cost, so that the convenience of checking the electrostatic generator 1 is effectively improved, the efficiency of detection and checking is improved, the control assembly 23 is electrically connected with the display assembly 24, the display assembly 24 is a three-dimensional nixie tube and used for displaying a voltage value, the power supply assembly 25 is electrically connected with the control assembly 23, the power supply assembly 25 comprises a voltage stabilizing chip and a power supply, the voltage stabilizing chip is connected with the power supply, the power supply is connected with the control assembly 23, the voltage stabilizing chip ensures the safety of power supply, and the power supply supplies power to the control assembly 23.

In summary, the following steps: the voltage measuring device of the electrostatic generator 1 of the utility model receives the voltage of the electrostatic generator 1 by directly contacting the electrostatic generator 1 through the metal conductor 211 in the induction component 21, and the voltage signal is attenuated by the sliding resistor 221 and then sent to the control component 23, the analog-to-digital conversion chip in the control component 23 converts the voltage signal into a digital signal, then the signal is sent to the display component 24 for display, the structure is stable, the operation is simple, the working state of the electrostatic generator 1 can be checked, the existing high-voltage voltmeter, oscilloscope, electrostatic target and Faraday cage and other expensive equipment are not needed, compared with the checking device of the electrostatic generator 1 provided by the invention in the prior art, the device has the advantages of convenient use and low cost, therefore, the convenience of checking the electrostatic generator 1 is effectively improved, and the efficiency of detection and checking is improved.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims (5)

1. An electrostatic generator voltage measuring device, includes electrostatic generator (1) and measuring device main part (2), its characterized in that: the measuring device comprises a measuring device body (2) and a measuring device body, wherein the measuring device body (2) comprises a sensing assembly (21), an attenuation assembly (22), a control assembly (23), a display assembly (24), a power supply assembly (25) and a shell (26), the sensing assembly (21) comprises a metal conductor (211) and a power line (212), one end of the metal conductor (211) is connected with the power line (212), the other end of the metal conductor (211) is connected with an electrostatic generator (1), one end of the power line (212) is electrically connected with the metal conductor (211), the other end of the power line (212) is electrically connected with the attenuation assembly (22), the attenuation assembly (22) comprises a sliding resistor (221), an operating rod (222) and a sliding chute (223), one end of the sliding resistor (221) is electrically connected with the metal conductor (211) through the power line (212), and the sliding resistor (221, the outside of measuring device main part (2) is equipped with shell (26), spout (223) have been seted up on shell (26), action bars (222) are located the middle part of spout (223), sliding resistance (221) electric connection has control assembly (23), control assembly (23) electric connection has display module (24), power supply assembly (25) electric connection has control assembly (23).

2. The electrostatic generator voltage measurement device of claim 1, wherein: the control component (23) is an analog-to-digital conversion chip.

3. The electrostatic generator voltage measurement device of claim 1, wherein: the sliding resistor (221) comprises a resistance wire (2211) and a sliding block (2212), the resistance wire (2211) is connected with the sliding block (2212) in a sliding mode, and the sliding block (2212) is electrically connected with the control assembly (23).

4. The electrostatic generator voltage measurement device of claim 1, wherein: the power supply assembly (25) comprises a voltage stabilizing chip and a power supply.

5. The electrostatic generator voltage measurement device of claim 1, wherein: the display component (24) is a three-dimensional nixie tube.

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