CN105259421B - A kind of portable conductive shoes experimental rig and its application method - Google Patents
A kind of portable conductive shoes experimental rig and its application method Download PDFInfo
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- CN105259421B CN105259421B CN201510800142.0A CN201510800142A CN105259421B CN 105259421 B CN105259421 B CN 105259421B CN 201510800142 A CN201510800142 A CN 201510800142A CN 105259421 B CN105259421 B CN 105259421B
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- lower box
- steel ball
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Abstract
The present invention relates to a kind of portable conductive shoes experimental rig and its application method, the cathode pallet for placing conductive shoes is supported by by more insulated columns and in it with multiple steel balls for being placed in the conductive shoes in upper box；It is electrically connected for the direct current output module by AC conversion for direct current electricity output equipped with power outlet and with the power outlet in lower box；The anode of the direct current output module is connected with the steel ball, and cathode is connected with the cathode pallet；It is additionally provided in the lower box for controlling the power switch of connecting and disconnecting of the circuit in the lower box, exports the voltage trim knob of DC voltage for adjusting it for showing the ammeter of electric current between steel ball and cathode pallet, for showing the voltmeter of voltage between the steel ball and the cathode pallet, for calibrating the electric current meter reading and being furnished with the ammeter correction verification module of shorting stub and be connected with the direct current output module.Its is simple in structure, at low cost, easy to carry.
Description
Technical field
The present invention relates to a kind of experimental rigs, and in particular to a kind of portable conductive shoes experimental rig and its application method.
Background technology
According to《GB 21146-2007 individual protective equipment occupational footwear》Regulation be true for personal protection conductive shoes
Protect shoes be conductive, it is desirable that shoes completely new state under resistance be less than 100k Ω.Conductive shoes during use, due to flexion and
It pollutes, significant changes may occur for the resistance value of shoes made of conductive material, then must assure that conductive shoes are entirely using
Time limit interior energy fulfils the design function of dissipation electrostatic charge.Therefore, in the place of needs, it is proposed that user establishes an internal resistance
Test device simultaneously periodically tests conductive shoes, this test should become the customary part of workplace accident defence program.
It is there is no currently on the market specifically in the routine test device of personal protection conductive shoes.
Invention content
A kind of portable conductive shoes experimental rig is provided the invention aims to overcome the deficiencies in the prior art.
In order to achieve the above objectives, the technical solution adopted in the present invention is：A kind of portable conductive shoes experimental rig, it is wrapped
Include lower box and with the matched upper box of the lower box, is supported by by more insulated columns for putting in the upper box
Set the cathode pallet of conductive shoes and in it with multiple steel balls for being placed in the conductive shoes；It is equipped in the lower box
Power outlet and with the power outlet be electrically connected for by AC conversion be direct current electricity output direct current output module；
The anode of the direct current output module is connected with the steel ball, and cathode is connected with the cathode pallet；The lower box
It is inside additionally provided with for controlling the power switch of connecting and disconnecting of the circuit in the lower box, for showing the steel ball and the cathode pallet
Between electric current ammeter, for showing the voltmeter of voltage between the steel ball and the cathode pallet, it is described for calibrating
Electric current meter reading and equipped with shorting stub ammeter correction verification module and be connected for adjusting it with the direct current output module
Export the voltage trim knob of DC voltage.
Optimally, the nowel body side surface is equipped with portable handle and for engaging the upper box and the lower box
Buckle together.
Optimally, it further includes the TVS diode being in parallel with the ammeter input terminal.
Another object of the present invention is to provide a kind of application method of above-mentioned portable conductive shoes experimental rig, it includes
Following steps：
（a）The lower box being combined and the upper box are opened, the upper box is made to be located at the lower box one
The side and upper box is in horizontality, short circuit is carried out with shorting stub by the ammeter correction verification module；
（b）The conductive shoes are placed on the cathode pallet in the upper box, and be put into the conductive shoes to
The steel ball of few 4kg；
（c）The anode of the direct current output module is connected with the steel ball, cathode is connected with the cathode pallet
It connects to form closed circuit；
（d）Shorting stub is removed, then connects the power outlet and external ac power source, adjusts the voltage trim rotation
Button makes the display numerical value of the voltmeter be 100V, and the numerical value that the ammeter is read after 1 minute is I；According to Ohm's law meter
Resistance R=100/I is calculated, when resistance R is less than 100K Ω, conductive shoes are qualified；When resistance R is greater than or equal to 100K Ω, conductive shoes
It is unqualified.
Since above-mentioned technical proposal is used, the present invention has following advantages compared with prior art：The present invention is portable to be led
Electric shoes experimental rig, by the way that corresponding steel ball, ammeter, voltmeter, direct current are arranged in matched upper box and lower box
The structures such as output module, it is simple in structure, at low cost, easy to carry, safety and the working efficiency of conductive shoes test are improved,
To provide safety assurance for on-site personnel.
Description of the drawings
Fig. 1 is the structural schematic diagram of the portable conductive shoes experimental rig of the present invention；
Fig. 2 is the operation principle schematic diagram of the portable conductive shoes experimental rig of the present invention；
Wherein, 1, babinet；11, upper box；111, cathode pallet；112, insulated column；12, lower box；121, power outlet；
122, DC output terminal；123, ammeter verifies terminal；124, ammeter；125, power switch；126, voltage trim knob；
127, voltmeter；13, portable handle；14, it buckles；15, steel ball；2, conductive shoes.
Specific implementation mode
The preferred embodiment of the invention is described in detail below in conjunction with attached drawing.
Portable conductive shoes experimental rig as depicted in figs. 1 and 2 includes mainly upper box 11 and lower box 12, top box
Body 11 and lower box 12 match, and it is to form complete babinet 1 on lower box 12 that upper box 11, which is corresponded to box cover,.In this implementation
In example, upper box 11 is hinged or is pivotally connected on lower box 12.
Wherein, more are equipped in upper box 11 to be mutually parallel and contour insulated column 112, the end of insulated column 112 is solid
Surely there is cathode pallet 111, the cathode pallet 111 is for placing conductive shoes 2.When measuring, steel ball 15 is placed in conductive shoes 2,
It is then placed in upper box 11 when not tested usually.
It is equipped with power outlet 121 in lower box 12, is used for and external ac power source（Generally 220V）It is connected；Direct current is defeated
Go out module（It is not shown in figure）It being electrically connected with power outlet 121, the AC conversion for that will introduce is direct current electricity output, it
There are two 100V DC output terminals 122, the anodes of the DC output terminal 122 to be connected with steel ball 15 for tool, the direct current output
The cathode of terminal 122 is connected with cathode pallet 111, thus by steel ball 15, conductive shoes 2, cathode pallet 111 and DC output end
122 concatenation of son forms closed circuit.Power switch 125 is in series with power outlet 121, in this way opening by power switch 125
Pass can control connecting and disconnecting of the circuit in lower box 12.Ammeter 124 is connected in above-mentioned closed circuit, for measuring and showing steel ball
The numerical value of electric current between 15 and cathode pallet 111；Voltmeter 127 is also connected in above-mentioned closed circuit, for measuring and showing
The numerical value of voltage between steel ball 15 and cathode pallet 111.Ammeter correction verification module（It is not shown in figure）There are two ammeter schools for tool
Terminal 123 is tested, the reading for calibrating ammeter 124, it is ensured that the accuracy of entire experimental rig；When not in use, pass through use
The two ammeters verification terminal 123 is carried out short circuit by shorting stub.Voltage trim knob 126 is then connected with direct current output module
It connects, the DC voltage for adjusting its output.
In the present embodiment, 12 side of lower box is equipped with portable handle 13 and for blocking upper box 11 and lower box 12
The buckle 14 being combined.To prevent the dash current of transcient short circuit time can be in the sample resistance of digital electronic ammeter 124（10 ohm）
A peak input voltage is formed, therefore in the input terminal of ammeter 124 forward direction in parallel（Or it is two-way）TVS diode
（Forward voltage drop is not higher than 0.7V）, such as P6KE6.8CA---TVS.To improve the stability that digital watch is shown, 124 He of ammeter
+ 5V the power supplys of voltmeter 127 should keep independent respectively, using a piece of D050505S 1W power modules by the+5V of Switching Power Supply
Power supply is divided into two independent+5V power supplys and powers respectively to ammeter 124 and voltmeter 127.In order to make guarantee 100V direct currents
Pressure energy is enough to finely tune within the scope of ± 15V, should the direct current trimmer potentiometer of direct current output module be changed to multiturn potentiometer WXD3-
13-1K potentiometers, and go here and there the resistance of 360 Ω（The attribute of Switching Power Supply：Semifixed resistor from big to small, output voltage from
It is small to arrive greatly）.
The application method of above-mentioned portable conductive shoes experimental rig, it includes the following steps：
（a）The lower box 12 being combined and upper box 11 are opened, upper box 11 is made to be located at 12 side of lower box and top box
Body 11 is in horizontality, and two ammeters verification terminal 123 of ammeter correction verification module is carried out short circuit with shorting stub；It will
Upper box 11 rotates 180 ° of expansion, is laid flat, in the case where experimental rig power switch disconnects, with shorting stub by two ammeters
Verify 123 short circuit of terminal；
（b）Conductive shoes 2 are placed on the cathode pallet 111 in upper box 11, and are put at least 4kg into conductive shoes 2
Steel ball 15（If upper of a shoe insufficient height can not load whole steel balls 15, upper of a shoe height can be increased with insulating materials）, to ensure to lead
Electric shoes 2 and cathode pallet 111 come into full contact with；
（c）The anode of the DC output terminal 122 of direct current output module is connected with steel ball 15, DC output terminal
122 cathode is connected to form closed circuit with cathode pallet 111；
（d）Shorting stub is removed, then connects power outlet 121 and external ac power source, adjusts voltage trim knob 126
It is 100V to make the display numerical value of voltmeter 127, and the numerical value that ammeter 124 is read after 1 minute is I, and electricity is calculated according to Ohm's law
R=100/I is hindered, when resistance R is less than 100K Ω, conductive shoes 2 are qualified；When resistance R is greater than or equal to 100K Ω, conductive shoes 2 are not
It is qualified.After test, disconnecting power switch pulls out power cord, and upper box 11 is closed in steel ball recycling.In test process, such as electricity
There is flicker " 00000 " in flow table 124, then illustrates that the resistance of conductive shoes 2 is minimum, and test product is qualified.When short circuit occurs for hookup,
This experimental rig is automatically into guard mode, at this point, in addition to indicator light is normally lighted at power switch on panel, other instructions are equal
Automatic distinguishing need to close power supply, be tested again after five minutes.
When in use, preferably voltmeter 127 and ammeter 124 are verified, specially：Simultaneously by standard D.C. voltmeter
Enter DC output terminal 122, the data that contrast potential table 127 and standard voltmeter are shown sentence the precision of voltmeter 127
It is fixed.When being verified to ammeter, first the shorting stub being connected on two ammeter verification terminals 123 should be removed, by standard
DC ammeter seals in, and compares the data that ammeter 124 and standard amperemeters are shown, judges the precision of ammeter 124.
The above embodiments merely illustrate the technical concept and features of the present invention, and its object is to allow person skilled in the art
Scholar cans understand the content of the present invention and implement it accordingly, and it is not intended to limit the scope of the present invention.It is all according to the present invention
Equivalent change or modification made by Spirit Essence, should be covered by the protection scope of the present invention.
Claims (2)
1. a kind of portable conductive shoes experimental rig, it include lower box and with the matched upper box of the lower box, institute
State in upper box by more insulated columns be supported by the cathode pallet for placing conductive shoes and its in have it is multiple for placing
Steel ball in the conductive shoes；It is equipped with power outlet in the lower box and is electrically connected with the power outlet for inciting somebody to action
AC conversion is the direct current output module of direct current electricity output；The anode of the direct current output module is connected with the steel ball,
Its cathode is connected with the cathode pallet；The electricity for controlling connecting and disconnecting of the circuit in the lower box is additionally provided in the lower box
Source switch, for showing the ammeter of electric current between the steel ball and the cathode pallet, for showing the steel ball and described
The voltmeter of voltage between cathode pallet, for calibrate the electric current meter reading and ammeter correction verification module equipped with shorting stub with
And it is connected with the direct current output module and exports the voltage trim knob of DC voltage, the nowel body side surface for adjusting it
Portable handle is installed and the buckle for the upper box and the lower box to be fastened togather, the experimental rig also wrap
Include the TVS diode being in parallel with the ammeter input terminal.
2. the application method of portable conductive shoes experimental rig described in claim 1, which is characterized in that it includes the following steps：
（a）Open the lower box that is combined and the upper box, make the upper box be located at the lower box side and
The upper box is in horizontality, and the ammeter correction verification module is carried out short circuit with shorting stub；
（b）The conductive shoes are placed on the cathode pallet in the upper box, and are put at least 4kg into the conductive shoes
Steel ball；
（c）The anode of the direct current output module is connected with the steel ball, cathode be connected with the cathode pallet from
And form closed circuit；
（d）Shorting stub is removed, is then connected the power outlet and external ac power source, adjusting the voltage trim knob makes
The display numerical value of the voltmeter is 100V, and the numerical value that the ammeter is read after 1 minute is I；Electricity is calculated according to Ohm's law
R=100/I is hindered, when resistance R is less than 100K Ω, conductive shoes are qualified；When resistance R is greater than or equal to 100K Ω, conductive shoes do not conform to
Lattice.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510800142.0A CN105259421B (en) | 2015-11-19 | 2015-11-19 | A kind of portable conductive shoes experimental rig and its application method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510800142.0A CN105259421B (en) | 2015-11-19 | 2015-11-19 | A kind of portable conductive shoes experimental rig and its application method |
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| Publication Number | Publication Date |
|---|---|
| CN105259421A CN105259421A (en) | 2016-01-20 |
| CN105259421B true CN105259421B (en) | 2018-10-30 |
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Citations (6)
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| CN2192924Y (en) * | 1994-08-15 | 1995-03-22 | 蒋倬 | Portable experimental box for physical study |
| US7630843B2 (en) * | 2006-09-21 | 2009-12-08 | Intel Corporation | Method, apparatus, and system for power source failure prediction |
| CN101726666A (en) * | 2008-10-30 | 2010-06-09 | 上海博繁企业发展有限公司 | Short-circuit impedance tester |
| CN202996144U (en) * | 2013-01-05 | 2013-06-12 | 肖娟 | Portable electronic experiment table |
| CN103278749A (en) * | 2013-04-23 | 2013-09-04 | 国家电网公司 | Safety tool boot tester |
| CN205091394U (en) * | 2015-11-19 | 2016-03-16 | 苏州热工研究院有限公司 | Portable electrically conductive shoes test device |
-
2015
- 2015-11-19 CN CN201510800142.0A patent/CN105259421B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2192924Y (en) * | 1994-08-15 | 1995-03-22 | 蒋倬 | Portable experimental box for physical study |
| US7630843B2 (en) * | 2006-09-21 | 2009-12-08 | Intel Corporation | Method, apparatus, and system for power source failure prediction |
| CN101726666A (en) * | 2008-10-30 | 2010-06-09 | 上海博繁企业发展有限公司 | Short-circuit impedance tester |
| CN202996144U (en) * | 2013-01-05 | 2013-06-12 | 肖娟 | Portable electronic experiment table |
| CN103278749A (en) * | 2013-04-23 | 2013-09-04 | 国家电网公司 | Safety tool boot tester |
| CN205091394U (en) * | 2015-11-19 | 2016-03-16 | 苏州热工研究院有限公司 | Portable electrically conductive shoes test device |
Non-Patent Citations (1)
| Title |
|---|
| 防静电鞋、导电鞋标准测量方法探讨;黄久生等;《军械工程学院学报》;20000831;第12卷;第245-247页，正文第245页第1节第1段至第247页第2节第3段 * |
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| CN105259421A (en) | 2016-01-20 |
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