CN109813976A - A kind of hand-held electrostatic discharging generator - Google Patents
A kind of hand-held electrostatic discharging generator Download PDFInfo
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- CN109813976A CN109813976A CN201711159835.1A CN201711159835A CN109813976A CN 109813976 A CN109813976 A CN 109813976A CN 201711159835 A CN201711159835 A CN 201711159835A CN 109813976 A CN109813976 A CN 109813976A
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- circuit
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- machine host
- monolithic machine
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- 238000007599 discharging Methods 0.000 title claims abstract description 17
- 238000005070 sampling Methods 0.000 claims abstract description 11
- 238000004891 communication Methods 0.000 claims description 11
- 238000001514 detection method Methods 0.000 claims description 11
- 238000012545 processing Methods 0.000 claims description 7
- 238000002955 isolation Methods 0.000 claims description 5
- 230000003068 static effect Effects 0.000 claims description 5
- 238000007689 inspection Methods 0.000 claims 1
- 238000012544 monitoring process Methods 0.000 claims 1
- 238000012360 testing method Methods 0.000 abstract description 9
- 238000000034 method Methods 0.000 description 6
- 230000005611 electricity Effects 0.000 description 4
- 230000006641 stabilisation Effects 0.000 description 3
- 238000011105 stabilization Methods 0.000 description 3
- 230000036039 immunity Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 241000208340 Araliaceae Species 0.000 description 1
- 235000005035 Panax pseudoginseng ssp. pseudoginseng Nutrition 0.000 description 1
- 235000003140 Panax quinquefolius Nutrition 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 239000003990 capacitor Substances 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 239000012141 concentrate Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 235000008434 ginseng Nutrition 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Abstract
The present invention relates to a kind of hand-held electrostatic discharging generators, the device includes ESD gun and the program control high voltage power supply main body connecting with ESD gun, ESD gun includes electric discharge rifle gun housing, touch screen, monolithic machine host control circuit, charging resistor, capacitance-resistance external member, high-voltage relay and ESD gun pipette tips, program control high voltage power supply main body includes single-chip microcontroller slave control circuit, circuit for producing high voltage and high pressure sampling feedback circuit, touch screen, monolithic machine host control circuit, monolithic machine host control circuit, circuit for producing high voltage and charging resistor are sequentially connected, high-voltage relay input terminal connects monolithic machine host control circuit, two terminal contacts of high-voltage relay are separately connected charging resistor and ESD gun pipette tips, capacitance-resistance external member connects high-voltage relay contact.Compared with prior art, the present invention has many advantages, such as that the comparativity of guarantee test and repeatability, high-voltage output circuit voltage output are stablized.
Description
Technical field
The present invention relates to electromagnetic compatibility testing fields, more particularly, to a kind of hand-held electrostatic generating device.
Background technique
When doing esd immunity test, requirement, static discharge are built according to the testing stand of laboratory's test site
Generator is generally placed on the reference earth plate on ground, and existing electro-static discharging generator is usually by control circuit, height
Generation circuit is pressed, there are also the keyboards and display for input and output all to concentrate on a host, only this list of static discharge
One function is realized by ESD gun.Often doing primary test will bending or the setting test ginseng on host of making a return journey of squatting down
Number, is very inconvenient to operate.While how more easily carrying out esd immunity test, and corresponding control can be reached
System requires, and is problem to be solved in the prior art.
Summary of the invention
It is an object of the present invention to overcome the above-mentioned drawbacks of the prior art and provide a kind of hand-held electrostatics to put
Electric generating device.
The purpose of the present invention can be achieved through the following technical solutions:
A kind of hand-held electrostatic discharging generator, the device include ESD gun and connect with ESD gun
Program control high voltage power supply main body, the ESD gun include electric discharge rifle gun housing, touch screen, monolithic machine host control circuit,
Charging resistor, capacitance-resistance external member, high-voltage relay and ESD gun pipette tips, the program control high voltage power supply main body includes single-chip microcontroller
Slave control circuit, circuit for producing high voltage and high pressure sampling feedback circuit, the touch screen, monolithic machine host control circuit,
Monolithic machine host control circuit, circuit for producing high voltage and charging resistor are sequentially connected, the high-voltage relay input terminal connection
Monolithic machine host control circuit, two terminal contacts of high-voltage relay are separately connected charging resistor and ESD gun pipette tips,
The capacitance-resistance external member connects high-voltage relay contact；
After the single-chip microcontroller slave control circuit receives the control signal of monolithic machine host control circuit, the monolithic
Machine host control circuit receives the control signal of touch screen and is transferred to single-chip microcontroller slave control circuit, single-chip microcontroller slave control electricity
Road controls circuit for producing high voltage and generates high pressure, and the circuit for producing high voltage charges to capacitance-resistance external member by charging resistor, charging
After the completion, the monolithic machine host control circuit control high-voltage relay in ESD gun switches to capacitance-resistance external member and the rifle that discharges
Head connection, discharges.
Preferably, the output voltage of circuit for producing high voltage is fed back to single-chip microcontroller slave by the high pressure sampling feedback circuit
Control circuit.
Preferably, the ESD gun further includes current detection circuit, and the current detection circuit input terminal connects
ESD gun pipette tips are connect, the current detection circuit output end connects monolithic machine host control circuit.
Preferably, the monolithic machine host control circuit is connect with single-chip microcontroller slave control circuit by high-tension cable,
The high-tension cable includes connection and power supply line, the monolithic machine host control circuit and single-chip microcontroller slave control circuit
On the communication interface connecting with high-tension cable is respectively set, the communication interface carries out isolation processing.
Preferably, the circuit for producing high voltage connects charging resistor by high-tension cable.
Preferably, the circuit for producing high voltage includes sequentially connected inverter circuit, transformer and voltage-multiplying circuit.
Preferably, the circuit for producing high voltage further includes polarity switching circuit, and the polarity switching circuit is connected to
Between transformer and voltage-multiplying circuit.
Compared with prior art, the invention has the following advantages that
1, comparativity and repeatability of the hand-held electrostatic discharging generator in addition to capableing of guarantee test, greatly increases
The convenience of strong operation and flexibility, are arranged touch screen and the monolithic machine host being attached thereto control electricity in ESD gun
Single-chip microcontroller slave control circuit in road, monolithic machine host control circuit and program control high voltage power supply main body communicates, and realization is touching
It can be charged and discharged etc. operation after parameter is set on screen；
2, device strong antijamming capability: shielding measure is taken to touch screen and single chip machine controlling circuit, is enhanced anti-interference
Performance, between the monolithic machine host control circuit of ESD gun and the single-chip microcontroller slave control circuit of program control high voltage power supply main body
By cable communication, communication interface has done isolation processing；
3, high-voltage output circuit voltage output is stablized: setting high pressure sampling feedback circuit acquires high-voltage output end voltage, and
Single-chip microcontroller slave control circuit is fed back to, guarantees the stabilization of output high pressure；
4, current detection circuit detects discharge condition, guarantees that discharge process effectively carries out.
Detailed description of the invention
Fig. 1 is circuit diagram of the present invention.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiment is a part of the embodiments of the present invention, rather than whole embodiments.Based on this hair
Embodiment in bright, those of ordinary skill in the art's every other reality obtained without making creative work
Example is applied, all should belong to the scope of protection of the invention.
Embodiment
As shown in Figure 1, a kind of hand-held electrostatic discharging generator, which includes two parts.A part is program-controlled
High voltage power supply main body, a part are ESD gun.Include by one between ESD gun and program control high voltage power supply main body
Connection is connected with the high-tension cable of power supply line.
Specific structure are as follows: hand-held electrostatic discharging generator includes ESD gun and the journey that connect with ESD gun
High voltage power supply main body is controlled, ESD gun includes electric discharge rifle gun housing, touch screen, monolithic machine host control circuit, charging resistor, resistance
Holding external member, high-voltage relay, current detection circuit and ESD gun pipette tips, program control high voltage power supply main body includes single-chip microcontroller slave
Control circuit, circuit for producing high voltage and high pressure sampling feedback circuit, touch screen, monolithic machine host control circuit, monolithic machine host
Control circuit, circuit for producing high voltage and charging resistor are sequentially connected, and high-voltage relay input terminal connects monolithic machine host control electricity
Road, two terminal contacts of high-voltage relay are separately connected charging resistor and ESD gun pipette tips, and capacitance-resistance external member connects high-voltage relay
Contact.Current detection circuit input terminal connects ESD gun pipette tips, and current detection circuit output end connects the control of monolithic machine host
Circuit processed.
Circuit for producing high voltage connects charging resistor by high-tension cable.Circuit for producing high voltage includes sequentially connected inversion electricity
Road, transformer and voltage-multiplying circuit.Circuit for producing high voltage is additionally provided with polarity switching circuit, polarity switching circuit be connected to transformer and
Between voltage-multiplying circuit, polarity switching circuit includes two high-voltage relays, for controlling the polarity of High voltage output.Touch screen and list
Piece machine host control circuit carries out shielding processing, enhances interference free performance.
Program control high voltage power supply main part does not include touch-screen display, and touch-screen display is mounted on ESD gun
On.High-tension cable connection between ESD gun and program control high voltage power supply main body by one comprising connection and power supply line.
It discharges and passes through cable communication between the monolithic machine host control circuit of rifle and the single-chip microcontroller slave control circuit of program control high voltage power supply.
Communication interface has done isolation processing, with the interference free performance of enhancement device itself.
The intracorporal circuit for producing high voltage of program control high voltage power supply master is controlled by slave control circuit, is generated by ESD gun
The high pressure of touch screen input setting, by the voltage of high pressure sampling feedback circuit acquisition high-voltage output end, collected voltage value is sent
It to feedback loop, is compared with the given voltage value of slave control circuit, the stabilization of output high pressure is controlled with this.It gives
Constant voltage value by slave control circuit single-chip microcontroller and analog-digital chip generate.
Program control high voltage power supply receives the control signal from ESD gun, and the signal is by the monolithic in program control high voltage power supply
Machine slave control circuit receives, and the slave control circuit for receiving control signal controls circuit for producing high voltage again and generates required height
Pressure, control polarity switching circuit switch corresponding polarity.High pressure sampling feedback circuit is responsible for the high pressure conditions high-voltage output end
Slave control circuit is fed back to, by the stabilization of slave control circuit control High voltage output.
ESD gun accesses high pressure by high-tension cable, by rifle intracorporal monolithic machine host control circuit control high pressure after
Electric appliance charges and discharges capacitance-resistance external member, and in discharge process, the electrostatic for simulating generation is discharged by pipette tips of discharging.Rifle
The touch screen inlayed on body is the window of human-computer interaction, for parameter is arranged and controls the operation shape of hand-held electrostatic electric discharge device
State.Current detection circuit is the state for detecting electric discharge, the judgment basis as monolithic machine host control circuit.
Working principle:
Monolithic machine host control circuit board and touch screen are placed in static gun, touch screen receives input and shows setting
After parameter, while the operating status of display device.Monolithic machine host control circuit board handles set parameter, is judged
And storage.Communication is established according to the single-chip microcontroller slave control circuit in set parameter, with program control high voltage power supply main body.It informs
Current set parameter and whether bring into operation.Single-chip microcontroller slave control circuit in program control high voltage power supply main body receives information
Afterwards, by judging and handle, current command information is obtained, once receive the letter to bring into operation according to set parameter
Breath will pass through digital-to-analogue conversion one given voltage of generation and send to circuit for producing high voltage, while controlling circuit for producing high voltage and starting work
Make.High pressure sampling feedback circuit acquires the high-voltage value of high-voltage output end by way of partial pressure, then arranges by a series of processing
The input terminal sent to circuit for producing high voltage is applied, is compared with given voltage, judges whether High voltage output reaches setting and set.Once
Reach setting value, circuit for producing high voltage just stops boosting.
The high pressure of generation is sent into ESD gun by high-voltage cable, gives capacitance-resistance external member by a charging resistor
Charging.The process of electric discharge, which is capacitance-resistance external member, to be switched to by the high-voltage relay that the monolithic machine host in ESD gun controls and puts
Discharge process is completed by electric discharge pipette tips in electric pipette tips side.The capacitance-resistance external member is the circuit being made of resistance and capacitor
Module.For judging whether discharge process occurs, sampling gained signal is sent to monolithic machine host control circuit current detection circuit,
As a judgment basis.
Touch screen and monolithic machine host control circuit in ESD gun part, which need to install additional shielding case, to carry out at shielding
Reason, to enhance the interference free performance of touch screen and monolithic machine host control circuit.Monolithic machine host control circuit and single-chip microcontroller from
Communication interface between machine control circuit will also carry out isolation processing.To prevent the interference in gun body from passing through power supply line and communication
Line influences the circuit in program control high voltage power supply main part.
The above description is merely a specific embodiment, but scope of protection of the present invention is not limited thereto, any
Those familiar with the art in the technical scope disclosed by the present invention, can readily occur in various equivalent modifications or replace
It changes, these modifications or substitutions should be covered by the protection scope of the present invention.Therefore, protection scope of the present invention should be with right
It is required that protection scope subject to.
Claims (7)
1. a kind of hand-held electrostatic discharging generator, the device includes ESD gun and connect with ESD gun
Program control high voltage power supply main body, which is characterized in that the ESD gun includes electric discharge rifle gun housing, touch screen, monolithic machine host
Control circuit, charging resistor, capacitance-resistance external member, high-voltage relay and ESD gun pipette tips, the program control high voltage power supply main body
Including single-chip microcontroller slave control circuit, circuit for producing high voltage and high pressure sampling feedback circuit, the touch screen, monolithic machine host
Control circuit, monolithic machine host control circuit, circuit for producing high voltage and charging resistor are sequentially connected, and the high-voltage relay is defeated
Enter end connection monolithic machine host control circuit, two terminal contacts of high-voltage relay are separately connected charging resistor and static discharge
Rifle pipette tips, the capacitance-resistance external member connect high-voltage relay contact；
After the single-chip microcontroller slave control circuit receives the control signal of monolithic machine host control circuit, the monolithic owner
Machine control circuit receives the control signal of touch screen and is transferred to single-chip microcontroller slave control circuit, single-chip microcontroller slave control circuit control
Circuit for producing high voltage processed generates high pressure, and the circuit for producing high voltage charges to capacitance-resistance external member by charging resistor, charging complete
Afterwards, the monolithic machine host control circuit control high-voltage relay in ESD gun switches to capacitance-resistance external member connects with pipette tips of discharging
It connects, discharges.
2. a kind of hand-held electrostatic discharging generator according to claim 1, which is characterized in that the high pressure sampling
The output voltage of circuit for producing high voltage is fed back to single-chip microcontroller slave control circuit by feed circuit.
3. a kind of hand-held electrostatic discharging generator according to claim 1, which is characterized in that the static discharge
Rifle further includes current detection circuit, and the current detection circuit input terminal connects ESD gun pipette tips, the electric current inspection
Slowdown monitoring circuit output end connects monolithic machine host control circuit.
4. a kind of hand-held electrostatic discharging generator according to claim 1, which is characterized in that the monolithic owner
Machine control circuit is connect with single-chip microcontroller slave control circuit by high-tension cable, and the high-tension cable includes connection and power supply
The communication connecting with high-tension cable is respectively set in line, the monolithic machine host control circuit and single-chip microcontroller slave control circuit
Interface, the communication interface carry out isolation processing.
5. a kind of hand-held electrostatic discharging generator according to claim 1, which is characterized in that the high pressure generates
Circuit connects charging resistor by high-tension cable.
6. a kind of hand-held electrostatic discharging generator according to claim 1, which is characterized in that the high pressure generates
Circuit includes sequentially connected inverter circuit, transformer and voltage-multiplying circuit.
7. a kind of hand-held electrostatic discharging generator according to claim 6, which is characterized in that the high pressure generates
Circuit further includes polarity switching circuit, and the polarity switching circuit is connected between transformer and voltage-multiplying circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711159835.1A CN109813976B (en) | 2017-11-20 | Handheld electrostatic discharge generating device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711159835.1A CN109813976B (en) | 2017-11-20 | Handheld electrostatic discharge generating device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109813976A true CN109813976A (en) | 2019-05-28 |
| CN109813976B CN109813976B (en) | 2024-05-10 |
Family
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Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000111596A (en) * | 1998-10-02 | 2000-04-21 | Sumitomo Wiring Syst Ltd | Electrostatic testing device |
| CN2582299Y (en) * | 2002-01-22 | 2003-10-22 | 中山圣马丁电子元件有限公司 | Internal liaison communication equipment |
| CN1716594A (en) * | 2004-06-28 | 2006-01-04 | 联咏科技股份有限公司 | Separate power source type static discharge protective circuit and integrated circuit using such circuit |
| DE29825244U1 (en) * | 1997-08-29 | 2006-12-28 | Rambus Inc., Los Altos | Transmission channel signal level control circuit |
| US20070018670A1 (en) * | 2005-07-21 | 2007-01-25 | Choshu Ito | Electrostatic discharge testing |
| US20080048723A1 (en) * | 2004-02-07 | 2008-02-28 | Chanhee Jeon | Buffer circuit having electrostatic discharge protection |
| CN104317760A (en) * | 2014-10-23 | 2015-01-28 | 安徽工程大学 | Full-speed USB 3.0 interface isolation protecting device |
| CN207488387U (en) * | 2017-11-20 | 2018-06-12 | 上海普锐马电子有限公司 | A kind of hand-held electrostatic discharging generator |
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE29825244U1 (en) * | 1997-08-29 | 2006-12-28 | Rambus Inc., Los Altos | Transmission channel signal level control circuit |
| JP2000111596A (en) * | 1998-10-02 | 2000-04-21 | Sumitomo Wiring Syst Ltd | Electrostatic testing device |
| CN2582299Y (en) * | 2002-01-22 | 2003-10-22 | 中山圣马丁电子元件有限公司 | Internal liaison communication equipment |
| US20080048723A1 (en) * | 2004-02-07 | 2008-02-28 | Chanhee Jeon | Buffer circuit having electrostatic discharge protection |
| CN1716594A (en) * | 2004-06-28 | 2006-01-04 | 联咏科技股份有限公司 | Separate power source type static discharge protective circuit and integrated circuit using such circuit |
| US20070018670A1 (en) * | 2005-07-21 | 2007-01-25 | Choshu Ito | Electrostatic discharge testing |
| CN104317760A (en) * | 2014-10-23 | 2015-01-28 | 安徽工程大学 | Full-speed USB 3.0 interface isolation protecting device |
| CN207488387U (en) * | 2017-11-20 | 2018-06-12 | 上海普锐马电子有限公司 | A kind of hand-held electrostatic discharging generator |
Non-Patent Citations (1)
| Title |
|---|
| 施滨等: "非接触式支架与手持方式校验静电放电发生器之差异", 《上海计量测试》, no. 218, 30 April 2010 (2010-04-30), pages 15 - 17 * |
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