CN108572280A - A kind of large range high precision explosive device resistance tester - Google Patents
A kind of large range high precision explosive device resistance tester Download PDFInfo
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- CN108572280A CN108572280A CN201810669990.6A CN201810669990A CN108572280A CN 108572280 A CN108572280 A CN 108572280A CN 201810669990 A CN201810669990 A CN 201810669990A CN 108572280 A CN108572280 A CN 108572280A
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- 239000002360 explosive Substances 0.000 title claims abstract description 54
- 238000012360 testing method Methods 0.000 claims abstract description 43
- 238000005070 sampling Methods 0.000 claims abstract description 31
- 230000003321 amplification Effects 0.000 claims abstract description 21
- 238000003199 nucleic acid amplification method Methods 0.000 claims abstract description 21
- 238000006243 chemical reaction Methods 0.000 claims abstract description 8
- 238000001914 filtration Methods 0.000 claims abstract description 5
- 230000005611 electricity Effects 0.000 claims description 4
- 239000004973 liquid crystal related substance Substances 0.000 claims description 4
- 230000002159 abnormal effect Effects 0.000 abstract description 8
- 230000003044 adaptive effect Effects 0.000 abstract description 4
- 238000000034 method Methods 0.000 abstract description 3
- 230000010354 integration Effects 0.000 abstract description 2
- 230000037452 priming Effects 0.000 description 17
- 238000005259 measurement Methods 0.000 description 10
- 230000003750 conditioning effect Effects 0.000 description 5
- 238000012545 processing Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000010349 pulsation Effects 0.000 description 2
- 238000004891 communication Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000012372 quality testing Methods 0.000 description 1
Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R27/00—Arrangements for measuring resistance, reactance, impedance, or electric characteristics derived therefrom
- G01R27/02—Measuring real or complex resistance, reactance, impedance, or other two-pole characteristics derived therefrom, e.g. time constant
- G01R27/20—Measuring earth resistance; Measuring contact resistance, e.g. of earth connections, e.g. plates
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R1/00—Details of instruments or arrangements of the types included in groups G01R5/00 - G01R13/00 and G01R31/00
- G01R1/36—Overload-protection arrangements or circuits for electric measuring instruments
-
- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B19/00—Programme-control systems
- G05B19/02—Programme-control systems electric
- G05B19/04—Programme control other than numerical control, i.e. in sequence controllers or logic controllers
- G05B19/042—Programme control other than numerical control, i.e. in sequence controllers or logic controllers using digital processors
-
- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05F—SYSTEMS FOR REGULATING ELECTRIC OR MAGNETIC VARIABLES
- G05F1/00—Automatic systems in which deviations of an electric quantity from one or more predetermined values are detected at the output of the system and fed back to a device within the system to restore the detected quantity to its predetermined value or values, i.e. retroactive systems
- G05F1/10—Regulating voltage or current
- G05F1/46—Regulating voltage or current wherein the variable actually regulated by the final control device is dc
- G05F1/461—Regulating voltage or current wherein the variable actually regulated by the final control device is dc using an operational amplifier as final control device
-
- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B2219/00—Program-control systems
- G05B2219/20—Pc systems
- G05B2219/25—Pc structure of the system
- G05B2219/25033—Pc structure of the system structure, control, syncronization, data, alarm, connect I-O line to interface
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Automation & Control Theory (AREA)
- Electromagnetism (AREA)
- Radar, Positioning & Navigation (AREA)
- Measurement Of Resistance Or Impedance (AREA)
Abstract
The invention discloses large range high precision explosive device resistance testers, including sequentially connected constant-current source, sampling resistor R1 and tested explosive, the other end of tested explosive is grounded, sampling resistor R1, tested explosive both ends be separately connected for acquire signal and by signal filtering, amplification and analog-to-digital conversion signal condition converter, signal condition converter is connected with microcontroller and output module in turn, and constant-current source, signal condition converter and microcontroller are separately connected linear voltage regulator.Present invention employs the methods of the signal condition converter and controllable linear voltage-stablizer and adaptive polo placement amplification factor and double sampled calculating of high precise current source, Highgrade integration based on difference amplifier; both it may determine that whether abnormal, tested explosive resistance exceeds test scope to constant-current source reality output; it can pass through the power supply of linear voltage regulator shutdown signal link if there is abnormal; ensure Security of test, and test scope can be expanded and improve measuring accuracy.
Description
Technical field
The present invention relates to resistance meter fields, are a kind of large range high precision explosive device resistance testers specifically.
Background technology
It needs to test its resistance in the quality testing of priming system.The type of priming system is more, variety classes firer
The resistance range difference of product is larger (tens milliohms having, tens ohm had).For security consideration, in test priming system
When resistance, the test electric current for flowing through priming system need to be strictly controlled.The test current requirements of variety classes priming system, which also differ, (to be had
Several milliamperes of requirement, tens milliamperes of some requirements).Have plenty of a kind of priming system at present and use a dedicated test equipment, has
Be use a test equipment, according to the type of priming system carry out stepping test.But all there is many not in both ways
Foot place：Instrument is more, management is inconvenient, and tool interface system is more, operating process is complicated, and there are test security risks.If instrument selects
With or gear selection be not inconsistent with the type of tested explosive, it is more than prescribed requirement that may make test electric current, so use at present
Explosive device resistance tester all exist test security risk.
Invention content
The purpose of the present invention is to provide a kind of large range high precision explosive device resistance testers, for solving the prior art
In be not inconsistent with the type of tested explosive due to instrument selection or gear selection, may make test electric current is excessive to there is test and pacify
The problem of full blast danger.
The present invention is solved the above problems by following technical proposals：
A kind of large range high precision explosive device resistance tester, including the sequentially connected constant current for providing test electric current
Source, sampling resistor R1 and tested explosive, the other end ground connection of the tested explosive, the sampling resistor R1, tested firer
The both ends of product be separately connected for acquire signal and by signal filtering, amplification and analog-to-digital conversion signal condition converter, institute
It states signal condition converter and is connected with microcontroller and output module, the constant-current source, signal condition converter and microcontroller in turn
It is separately connected linear voltage regulator.
When measuring, the amplification factor of the internal amplifier of microcontroller elder generation setting signal conditioning converter is 1, signal condition
The voltage at the both ends sampling resistor R1 is amplified by converter, filter and analog-to-digital conversion after input microcontroller, microcontroller reading is adopted
The voltage u1 at the both ends sample resistance R1 and the test mode for judging test loop accordingly are sentenced if voltage u1 is higher than normal range (NR)
Disconnected constant-current source actual output current is abnormal；If voltage u1 is less than normal range (NR), judge that priming system resistance is more than measurement range.
If current value is excessive at this time or priming system resistance value exceeds measurement range, microcontroller controls the linear voltage regulator being connect with it
Output loop disconnect, linear voltage regulator stops to signal condition converter and constant current source power supply, and shutoff signal handles link, protects
Constant-current source and signal condition converter and sampling resistor R1 and tested explosive are protected, ensures Security of test, and by the test
State is shown or is exported by output module.If the voltage u1 at the both ends sampling resistor R1 is arranged in normal range (NR)
The multiple of the internal amplifier of signal condition converter is 1, and microcontroller reads the voltage u2 at tested explosive both ends, and calculates conjunction
Suitable amplification factor A=u/u2, wherein u are the maximum value that signal condition converter can measure voltage, and then microcontroller is arranged
The amplification factor of the internal amplifier of signal condition converter reads tested explosive both ends again voltage u2 ' after being A is finally counted
Calculate the resistance value R of tested explosiveload=u2 '/(u1 × A) × R1, and by tested explosive resistance value RloadPass through output module
It is shown or is exported.The amplification factor that the internal amplifier of converter is improved by adaptive polo placement, setting signal, can protect
Expand test scope under the premise of card measuring accuracy.It is calculated by double sampling, that is, measures the voltage letter at the both ends sampling resistor R1
Number and measure the voltage signal at tested explosive both ends twice, output pulsation and the interference of signal processing link of constant-current source can be reduced
Influence to measuring accuracy, further increases measuring accuracy.
Preferably, the constant-current source includes that the voltage-reference being connect respectively with the linear voltage regulator, the first operation are put
Big device, difference amplifier and second operational amplifier, the output end of the voltage-reference and first operational amplifier
Positive input connects, and the output end of the first operational amplifier is connect with the positive input of the difference amplifier, and difference is put
The base stage of the output end connecting triode Q of big device, the collector of triode Q are connect with the linear voltage regulator, the hair of triode Q
Emitter-base bandgap grading is sequentially connected sampling resistor R1 and tested explosive resistance RloadAnd be grounded, the positive input of second operational amplifier with
Sampling resistor R1 and tested explosive resistance RloadBetween node connection, the output end and differential amplification of second operational amplifier
The reference input of device connects.
Difference amplifier is using low excursion with temperature, the unit gain difference amplifier AD8276 of low-power consumption；First operation is put
Big device and second operational amplifier sampling micro energy lose, low noise, the rail-to-rail operational amplifier A D8603 of COMS；Voltage-reference is adopted
With low noise, the voltage-reference ADR441 of micro energy lose, High-current output, high-precision, low noise, low excursion with temperature can get
Constant-current source, such test electric current can guarantee the measuring accuracy of system.
Preferably, the linear voltage regulator is controllable linear voltage-stablizer, for according to the output level of the microcontroller into
The on or off output voltage of row.
Linear voltage regulator uses ADP7104-5.0 for signal condition converter and constant current source power supply, by the output of microcontroller
Level carrys out the break-make of output control loop, and therefore, microcontroller can determine whether constant current according to the voltage value at the sampling resistor both ends of reading
Whether whether abnormal and tested explosive resistance is in measurement range for source actual output current, if constant-current source reality output
Current anomaly or priming system resistance exceed measurement range, then microcontroller exports low level, and the output for controlling linear voltage regulator is returned
Road disconnects.
Preferably, the output module includes TFT liquid crystal displays and/or serial port level changer.
TFT liquid crystal displays in output module can export measurement result, can also will be measured by serial port level changer
As a result it exports, be saved on computer.
Preferably, the signal condition converter uses AD7710.
Signal condition converter AD7710 main features have：Containing programmable amplifier, 1 to 128 times of amplification factor is adjustable, contains
High-precision 2.5V reference voltage sources, 24 ∑ analog-digital converters containing low noise, containing programming speeder, with list
The SPI communication connector of piece machine STM32F103CBT6 connects, microcontroller can setting signal conditioning converter inside amplifier put
Big multiple.
Preferably, first operational amplifier, second operational amplifier are all made of AD8603.
AD8603 is micro energy lose, low noise, the rail-to-rail operational amplifiers of COMS, and the constant-current source based on difference amplifier can obtain
High-precision, low noise, low excursion with temperature constant-current source, the measuring accuracy of the certifiable system of such test electric current.
Compared with prior art, the present invention haing the following advantages and advantageous effect：
(1) present invention using TCH test channel can accurate all priming systems of the test resistance value in test scope electricity
Resistance, the channel test electric current using minimum safe, simplify the structure of traditional explosive device resistance tester, improve the peace of test
Quan Xing.
(2) present invention has the characteristics that large range high precision, is used based on the high-precision of difference amplifier on system hardware
The signal condition converter of constant-current source and Highgrade integration is spent, adaptive polo placement amplification factor and double sampled meter have been used on software
The method of calculation expands test scope and improves measuring accuracy.
(3) controllable linear voltage-stablizer is used to power for the device of signal processing chain road on present system hardware, software
It is upper to judge whether abnormal, tested explosive resistance exceeds test model to constant-current source by acquiring the voltage signal on sampling resistor
It encloses, handles link if there is the abnormal output loop for then closing linear voltage regulator i.e. shutdown signal, play local power-off protection,
It ensure that Security of test.
(4) system uses microcontroller embedded technology so that system power dissipation is small, size is small, easy to use, can individually make
It is used with other systems can also be embedded in.
Description of the drawings
Fig. 1 is the principle of the present invention block diagram；
Fig. 2 is the circuit diagram of constant-current source in Fig. 1；
Fig. 3 is the flow chart for testing priming system resistance value；
U1- voltage-references；The first operational amplifiers of U2-；U3- difference amplifiers；U4- second operational amplifiers.
Specific implementation mode
The present invention is described in further detail with reference to embodiment, embodiments of the present invention are not limited thereto.
Embodiment 1：
In conjunction with shown in attached drawing 1, a kind of large range high precision explosive device resistance tester, including it is sequentially connected for providing
Test constant-current source, sampling resistor R1 and the tested explosive of electric current, the other end ground connection of the tested explosive, the sampling electricity
Resistance R1, tested explosive both ends be separately connected for acquire signal and by signal filtering, amplification and analog-to-digital conversion signal
Converter is improved, the signal condition converter is connected with microcontroller and output module in turn, and the constant-current source, signal condition turn
Parallel operation and microcontroller are separately connected linear voltage regulator.
When measuring, the amplification factor of the internal amplifier of microcontroller elder generation setting signal conditioning converter is 1, signal condition
The voltage at the both ends sampling resistor R1 is amplified by converter, filter and analog-to-digital conversion after input microcontroller, microcontroller reading is adopted
The voltage u1 at the both ends sample resistance R1 and the test mode for judging test loop accordingly are sentenced if voltage u1 is higher than normal range (NR)
Disconnected constant-current source actual output current is abnormal；If voltage u1 is less than normal range (NR), judge that priming system resistance is more than measurement range.
If current value is excessive at this time or priming system resistance value exceeds measurement range, microcontroller controls the linear voltage regulator being connect with it
Output loop disconnect, linear voltage regulator stops to signal condition converter and constant current source power supply, and shutoff signal handles link, protects
Constant-current source and signal condition converter and sampling resistor R1 and tested explosive are protected, ensures Security of test, and by the test
State is shown or is exported by output module.If the voltage u1 at the both ends sampling resistor R1 is arranged in normal range (NR)
The multiple of the internal amplifier of signal condition converter is 1, and microcontroller reads the voltage u2 at tested explosive both ends, and calculates conjunction
Suitable amplification factor A=u/u2, wherein u are the maximum value that signal condition converter can measure voltage, and then microcontroller is arranged
The amplification factor of the internal amplifier of signal condition converter reads tested explosive both ends again voltage u2 ' after being A is finally counted
Calculate the resistance value R of tested explosiveload=u2 '/(u1 × A) × R1, and by tested explosive resistance value RloadPass through output module
It is shown or is exported.The amplification factor that the internal amplifier of converter is improved by adaptive polo placement, setting signal, can protect
Expand test scope under the premise of card measuring accuracy.It is calculated by double sampling, that is, measures the voltage letter at the both ends sampling resistor R1
Number and measure the voltage signal at tested explosive both ends twice, output pulsation and the interference of signal processing link of constant-current source can be reduced
Influence to measuring accuracy, further increases measuring accuracy.
Embodiment 2：
On the basis of embodiment 1, in conjunction with shown in Fig. 2, the constant-current source includes being connect respectively with the linear voltage regulator
Voltage-reference U1, the first operational amplifier U2, difference amplifier U3 and second operational amplifier U4, the voltage-reference
The output end of U1 is connect with the positive input of the first operational amplifier U2, the output end of the first operational amplifier U2 and institute
State the positive input connection of difference amplifier U3, the base stage of the output end connecting triode Q of difference amplifier U3, triode Q
Collector connect with the linear voltage regulator, the emitter of triode Q is sequentially connected sampling resistor R1 and tested explosive electricity
Hinder RloadAnd it is grounded, positive input and the sampling resistor R1 and tested explosive resistance R of second operational amplifier U4loadBetween
Node connection, the output end of second operational amplifier U4 connect with the reference input of difference amplifier U3.
Difference amplifier U3 is using low excursion with temperature, the unit gain difference amplifier AD8276 of low-power consumption；First operation
Amplifier U2 and second operational amplifier U4 samplings micro energy lose, low noise, the rail-to-rail operational amplifier A D8603 of COMS；Voltage base
Quasi- source U1 can get high-precision, low noise, low temperature using low noise, the voltage-reference ADR441 of micro energy lose, High-current output
The constant-current source of drift is spent, such test electric current can guarantee the measuring accuracy of system.
Embodiment 3：
Priming system resistance measurement flow is as shown in figure 3, microcontroller is connect after carrying out program initialization with linear voltage regulator
Pin export high level, linear voltage regulator is to signal condition converter and constant current source power supply, the setting signal conditioning of microcontroller elder generation
The amplification factor of the internal amplifier of converter is 1, signal condition converter by the voltage at the both ends sampling resistor R1 by amplification,
Microcontroller is inputted after filtering and analog-to-digital conversion, microcontroller reads the voltage u1 at the both ends sampling resistor R1 and judges test loop accordingly
Test mode judge that constant-current source actual output current is abnormal if voltage u1 is higher than normal range (NR)；If voltage u1 is less than
Normal range (NR) then judges that priming system resistance is more than measurement range.If current value is excessive at this time or priming system resistance value exceeds
The output loop of measurement range, the linear voltage regulator that microcontroller control is connect with it disconnects, and linear voltage regulator stops giving signal tune
Converter and constant current source power supply are managed, shutoff signal handles link, protects constant-current source and signal condition converter and sampling resistor
R1 and tested explosive ensure Security of test, and show guard mode in TFT liquid crystal displays or incited somebody to action by serial port level changer
Guard mode is output to computer.If voltage u1, in normal range (NR), setting signal improves the internal amplifier of converter
Amplification factor be 1, microcontroller reads the voltage u2 at tested explosive both ends, and calculates suitable amplification factor A=u/u2,
Middle u is the maximum value that signal condition converter can measure voltage, and then the inside of microcontroller setting signal conditioning converter is put
The amplification factor of big device reads tested explosive both ends again voltage u2 ' after being A finally calculates the resistance value of tested explosive
Rload=u2 '/(u1 × A) × R1, and by tested explosive resistance value RloadIt is shown or is exported by output module.
Although reference be made herein to invention has been described for explanatory embodiment of the invention, and above-described embodiment is only this hair
Bright preferable embodiment, embodiment of the present invention are not limited by the above embodiments, it should be appreciated that people in the art
Member can be designed that a lot of other modification and implementations, these modifications and implementations will be fallen in principle disclosed in the present application
Within scope and spirit.
Claims (6)
1. a kind of large range high precision explosive device resistance tester, which is characterized in that including sequentially connected for providing test
Constant-current source, sampling resistor R1 and the tested explosive of electric current, the other end ground connection of the tested explosive, the sampling resistor
R1, tested explosive both ends be separately connected for acquire signal and by signal filtering, amplification and analog-to-digital conversion signal tune
Converter is managed, the signal condition converter is connected with microcontroller and output module, the constant-current source, signal condition conversion in turn
Device and microcontroller are separately connected linear voltage regulator.
2. a kind of large range high precision explosive device resistance tester according to claim 1, which is characterized in that the constant current
Source includes the voltage-reference (U1), the first operational amplifier (U2), difference amplifier being connect respectively with the linear voltage regulator
(U3) and second operational amplifier (U4), the output end of the voltage-reference (U1) and first operational amplifier (U2)
Positive input connects, and the output end of the first operational amplifier (U2) connects with the positive input of the difference amplifier (U3)
It connects, the base stage of the output end connecting triode Q of difference amplifier (U3), the collector of triode Q connects with the linear voltage regulator
It connects, the emitter of triode Q is sequentially connected sampling resistor R1 and tested explosive resistance RloadAnd it is grounded, second operational amplifier
(U4) positive input and sampling resistor R1 and tested explosive resistance RloadBetween node connection, second operational amplifier
(U4) output end is connect with the reference input of difference amplifier (U3).
3. a kind of large range high precision explosive device resistance tester according to claim 1 or 2, which is characterized in that described
Linear voltage regulator is controllable linear voltage-stablizer, for carrying out on or off output electricity according to the output level of the microcontroller
Pressure.
4. a kind of large range high precision explosive device resistance tester according to claim 1, which is characterized in that the output
Module includes TFT liquid crystal displays and/or serial port level changer.
5. a kind of large range high precision explosive device resistance tester according to claim 1, which is characterized in that the signal
It improves converter and uses AD7710.
6. a kind of large range high precision explosive device resistance tester according to claim 2, which is characterized in that described first
Operational amplifier (U2), second operational amplifier (U4) are all made of AD8603.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201810669990.6A CN108572280B (en) | 2018-06-26 | 2018-06-26 | Large-range high-precision initiating explosive device resistance tester |
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|---|---|---|---|
| CN201810669990.6A CN108572280B (en) | 2018-06-26 | 2018-06-26 | Large-range high-precision initiating explosive device resistance tester |
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| CN108572280A true CN108572280A (en) | 2018-09-25 |
| CN108572280B CN108572280B (en) | 2024-08-09 |
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Citations (17)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH03214071A (en) * | 1990-01-18 | 1991-09-19 | Toyama Nippon Denki Kk | Inspection circuit for variable resistor |
| CN102707653A (en) * | 2012-06-07 | 2012-10-03 | 中国科学院安徽光学精密机械研究所 | High precision intelligent gain multipath data collecting system |
| CN102841260A (en) * | 2012-09-24 | 2012-12-26 | 哈尔滨工业大学 | DC microresistivity measuring system |
| CN202758003U (en) * | 2012-08-12 | 2013-02-27 | 湖北仪天成电力设备有限公司 | DC resistance tester |
| CN203217411U (en) * | 2013-03-12 | 2013-09-25 | 深圳创维数字技术股份有限公司 | Low-voltage stabilized power supply |
| CN103543319A (en) * | 2013-09-06 | 2014-01-29 | 国家电网公司 | High-precision fast measuring circuit and method for wide-range currents in power system |
| CN104102263A (en) * | 2014-05-30 | 2014-10-15 | 北京航天自动控制研究所 | Constant-current source circuit with current monitoring capability |
| CN203909531U (en) * | 2014-04-18 | 2014-10-29 | 江汉大学 | Analog signal acquisition device |
| CN104267233A (en) * | 2014-09-29 | 2015-01-07 | 国家电网公司 | Program control self-adaption switching circuit of meter ranges and switching control method thereof |
| CN204101635U (en) * | 2014-05-28 | 2015-01-14 | 苏州大学 | A kind of microresistivity survey instrument and electronic product process units |
| CN105158575A (en) * | 2015-08-19 | 2015-12-16 | 湘潭大学 | Automatic low resistance test device |
| CN205176136U (en) * | 2015-11-02 | 2016-04-20 | 广州开元电子科技有限公司 | Resistance test device |
| CN106383272A (en) * | 2015-07-30 | 2017-02-08 | 北京电子工程总体研究所 | High-precision small resistor resistance measurement circuit |
| CN206524080U (en) * | 2016-12-28 | 2017-09-26 | 中核核电运行管理有限公司 | Wide-range dose equivalent rate measures the artificial circuit of ionisation chamber |
| CN206975119U (en) * | 2017-04-11 | 2018-02-06 | 中国工程物理研究院化工材料研究所 | Explosive device resistance tester with voltage x current protection |
| RU2654905C1 (en) * | 2017-08-11 | 2018-05-23 | Акционерное общество "Лётно-исследовательский институт имени М.М. Громова" | Device for converting the resistance changes into voltage |
| CN208270656U (en) * | 2018-06-26 | 2018-12-21 | 中国工程物理研究院化工材料研究所 | A kind of large range high precision explosive device resistance tester |
-
2018
- 2018-06-26 CN CN201810669990.6A patent/CN108572280B/en active Active
Patent Citations (17)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH03214071A (en) * | 1990-01-18 | 1991-09-19 | Toyama Nippon Denki Kk | Inspection circuit for variable resistor |
| CN102707653A (en) * | 2012-06-07 | 2012-10-03 | 中国科学院安徽光学精密机械研究所 | High precision intelligent gain multipath data collecting system |
| CN202758003U (en) * | 2012-08-12 | 2013-02-27 | 湖北仪天成电力设备有限公司 | DC resistance tester |
| CN102841260A (en) * | 2012-09-24 | 2012-12-26 | 哈尔滨工业大学 | DC microresistivity measuring system |
| CN203217411U (en) * | 2013-03-12 | 2013-09-25 | 深圳创维数字技术股份有限公司 | Low-voltage stabilized power supply |
| CN103543319A (en) * | 2013-09-06 | 2014-01-29 | 国家电网公司 | High-precision fast measuring circuit and method for wide-range currents in power system |
| CN203909531U (en) * | 2014-04-18 | 2014-10-29 | 江汉大学 | Analog signal acquisition device |
| CN204101635U (en) * | 2014-05-28 | 2015-01-14 | 苏州大学 | A kind of microresistivity survey instrument and electronic product process units |
| CN104102263A (en) * | 2014-05-30 | 2014-10-15 | 北京航天自动控制研究所 | Constant-current source circuit with current monitoring capability |
| CN104267233A (en) * | 2014-09-29 | 2015-01-07 | 国家电网公司 | Program control self-adaption switching circuit of meter ranges and switching control method thereof |
| CN106383272A (en) * | 2015-07-30 | 2017-02-08 | 北京电子工程总体研究所 | High-precision small resistor resistance measurement circuit |
| CN105158575A (en) * | 2015-08-19 | 2015-12-16 | 湘潭大学 | Automatic low resistance test device |
| CN205176136U (en) * | 2015-11-02 | 2016-04-20 | 广州开元电子科技有限公司 | Resistance test device |
| CN206524080U (en) * | 2016-12-28 | 2017-09-26 | 中核核电运行管理有限公司 | Wide-range dose equivalent rate measures the artificial circuit of ionisation chamber |
| CN206975119U (en) * | 2017-04-11 | 2018-02-06 | 中国工程物理研究院化工材料研究所 | Explosive device resistance tester with voltage x current protection |
| RU2654905C1 (en) * | 2017-08-11 | 2018-05-23 | Акционерное общество "Лётно-исследовательский институт имени М.М. Громова" | Device for converting the resistance changes into voltage |
| CN208270656U (en) * | 2018-06-26 | 2018-12-21 | 中国工程物理研究院化工材料研究所 | A kind of large range high precision explosive device resistance tester |
Non-Patent Citations (2)
| Title |
|---|
| 刘琦: "电源技术参数快速检测装置的研究与应用", 中国优秀硕士学位论文全文数据库工程科技II辑, 15 April 2016 (2016-04-15), pages 042 - 720 * |
| 占奇文 等: "一种自动切换量程和提高测量精度的新方法", 电子技术, vol. 36, no. 09, 25 September 2009 (2009-09-25), pages 74 - 76 * |
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