CN108508356A - Test device for detecting magnetic flux transducer reliability - Google Patents
Test device for detecting magnetic flux transducer reliability Download PDFInfo
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- CN108508356A CN108508356A CN201810395429.3A CN201810395429A CN108508356A CN 108508356 A CN108508356 A CN 108508356A CN 201810395429 A CN201810395429 A CN 201810395429A CN 108508356 A CN108508356 A CN 108508356A
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- resistance
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- voltage comparator
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
- G01R31/327—Testing of circuit interrupters, switches or circuit-breakers
- G01R31/3277—Testing of circuit interrupters, switches or circuit-breakers of low voltage devices, e.g. domestic or industrial devices, such as motor protections, relays, rotation switches
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Measurement Of Current Or Voltage (AREA)
Abstract
The present invention relates to a kind of test devices for detecting magnetic flux transducer reliability.Its main feature is that the present invention mainly judges that adjustment circuit two parts form by power circuit and test job voltage, power circuit generates test job voltage and test benchmark voltage by electric resistance partial pressure and capacitor filtering, judgement is compared to test job voltage and test benchmark voltage by voltage comparator, and according to the dispaly state of light emitting diode, test job voltage is accurately adjusted using potentiometer, to achieve the purpose that precisely to test magnetic flow convertor acting characteristic.Internal structure of the present invention is simple, less using component number, cost-effective, and test process operation is more convenient, and detection can be carried out at the same time with multiple element, improves detection efficiency.
Description
Technical field
The invention belongs to a kind of magnetic flow convertor test devices, reliable for detecting magnetic flow convertor more particularly to one kind
The test device of property.
Background technology
As electronic technology is widely used in rapidly in various fields, the application of electronic type intelligent circuit breaker is got over
Come more extensive, and magnetic flow convertor is the important executive component of intelligent circuit breaker, and magnetic flow convertor performance is directly related to intelligence
The reliability of energy type breaker work.But current detection device accuracy of detection is low, and can only individually be tested, it detected
Journey is inconvenient for operation, and detection efficiency is low.
Invention content
The present invention is solves a kind of easy to operate, the detection effect that provides detection process of technical problem present in known technology
The higher test device for detecting magnetic flux transducer reliability of rate.
The present invention is adopted the technical scheme that solve technical problem present in known technology：It includes terminals
Sub (DZ1), the first, second, third and fourth contact pin (CZ1, CZ2, CZ3, CZ4), the first and second power module (V1, V2), the first and second current potential
Device (R1, R9), second and third, four, five, six, seven, eight resistance (R2-R8), the ten, the 11,12,13,14,15, ten
Six resistance (R10-R16) insure (F1), first, second, third and fourth, five, six electrolytic capacitors (C1-C6), the first, second, third and fourth voltage
Comparator (AR1, AR2, AR3, AR4), the first, second, third and fourth light emitting diode (D1, D2, D3, D4)；The connecting terminal
(DZ1) one end of one end connection insurance (F1), the input terminal N that the other end connects first power module (V1) draw
Foot, while the input terminal N pins of the second power supply module (V2) are connected, the other end connection described first of the insurance (F1)
The input terminal L pins of power module (V1), while connecting the input terminal L pins of the second power supply module (V2)；Described first
The anode output V+ pins of power module (V1) connect the anode of the third electrolytic capacitor (C3), while connecting first electricity
One end of positive, described first potentiometer (R1) of solution capacitance (C1) and connects one end of the five, the eight resistance (R5, R8)
VCC；The cathode output V- pins connection GND of first power module (V1) and bearing for the third electrolytic capacitor (C3)
Pole, the second resistance (R2) one end, and connection second electrolytic capacitor (C2) cathode, while connecting described the
Six, one end of seven resistance (R6, R7), first and second contact pin (CZ1, CZ2) cathode；First electrolytic capacitor (C1)
Cathode connects the other end of positive, the described second resistance (R2) of second electrolytic capacitor (C2) and first potentiometer
(R1) the other end, while connecting the negative input of the first voltage comparator (AR1), second voltage comparator (AR2)
The anode of positive input, first and second contact pin (CZ1, CZ2)；The other end connection described the of 5th resistance (R5)
The other end of six resistance (R6), while connecting the negative input of the second voltage comparator (AR2)；7th resistance
(R7) the other end connects the other end of the 8th resistance (R8), while connecting the forward direction of a voltage comparator (AR1)
Input terminal；The output end of the first voltage comparator (AR1) connects one end of the 3rd resistor (R3), the 3rd resistor
(R3) the other end connects the anode of second light emitting diode (D2), the cathode connection of second light emitting diode (D2)
GND；The output end of the second voltage comparator (AR2) connects one end of the 4th resistance (R4), the 4th resistance
(R4) the other end connects the anode of first light emitting diode (D1), the cathode connection of first light emitting diode (D1)
GND；
The anode output V+ pins of the second power supply module (V2) connect the anode of the 6th electrolytic capacitor (C6), institute
State one end of the second potentiometer (R9), the positive, described 14th of the 4th electrolytic capacitor (C4) the, 15 resistance (R14,
R15 one end)；The cathode output V- pins of the second power supply module (V2) connect GND, and connection described 13rd, ten
One end of six resistance (R13, R16) and one end of the tenth resistance (R10), the five, the six electrolytic capacitor (C5, C6) it is negative
The cathode of pole and third and fourth contact pin (CZ3, CZ4)；Cathode connection the 5th electrolysis of 4th electrolytic capacitor (C4)
The other end of positive, described tenth resistance (R10), the other end of second potentiometer (R9) and described of capacitance (C5)
The negative input of three voltage comparators (AR3), the 4th voltage comparator (AR4) positive input, it is described third and fourth
The anode of contact pin (CZ3, CZ4)；The other end of the thirteenth resistor (R13) connects the another of the 14th resistance (R14)
End, while connecting the positive input of the tertiary voltage comparator (AR3)；The other end of 15th resistance (R15) connects
The other end of the 16th resistance (R16) is connect, while connecting the negative input of the 4th voltage comparator (AR4)；Institute
The output end for stating tertiary voltage comparator (AR3) connects one end of the eleventh resistor (R11), the eleventh resistor
(R11) the other end connects the anode of the 4th light emitting diode (D4), and the cathode of the 4th light emitting diode (D4) connects
Meet GND；One end of the output end connection twelfth resistor (R12) of 4th voltage comparator (AR4), the described 12nd
The other end of resistance (R12) connects the anode of the third light emitting diode (D3), and the third light emitting diode (D3) is born
Pole connects GND.
The invention has the advantages and positive effects that：It is simple in structure, it is less using component number, cost has been saved,
Test process operation is more convenient, and detection can be carried out at the same time with multiple element, improves detection efficiency, aobvious by LED state
Show that lamp and potentiometer precisely adjust test job voltage, improve accurate testing degree, ensure that the reliable operation of magnetic flow convertor
Property.
Description of the drawings
Fig. 1 is the electrical schematic diagram of the present invention.
Specific implementation mode
For that can further appreciate that present disclosure, feature and effect, the following examples are hereby given, and coordinates attached drawing detailed
It is described as follows：
As shown, one end of one end connection insurance F1 of connecting terminal DZ1, the other end connect the input of power module V1
Side N-terminal, while the input side N-terminal of power module V2 is connected, insure the ends input side L of the other end connection power module V1 of F1,
The ends input side L of power module V2 are connected simultaneously；The ends positive outlet side V+ of power module V1 connect VCC, while connecting electrolysis
The ends cathode outlet side V- of the anode of capacitance C3 and the anode of electrolytic capacitor C1, power module V1 connect GND, electrolytic capacitor C3's
Cathode connects GND；One end of potentiometer R1 connects VCC, while connecting one end of one end and resistance R8 of resistance R5；Potentiometer R1
Other end connection electrolytic capacitor C1 cathode and electrolytic capacitor C2 anode, while connecting one end of resistance R2 and voltage compares
The negative input of device AR1, while the anode of the positive input and contact pin CZ1, CZ2 of connection voltage comparator AR2 again, resistance
The other end of R2 connects GND, and the cathode of electrolytic capacitor C2 connects GND；The other end connection voltage comparator AR2's of resistance R5 is negative
To input terminal, while one end of resistance R6 is connected, the other end of resistance R6 connects GND；The other end of resistance R8 connects voltage ratio
Compared with the positive input of device AR1, while one end of resistance R7 is connected, the other end of resistance R7 connects GND；Voltage comparator AR1
Output end connects one end of resistance R3, and the anode of the other end connection light emitting diode D2 of resistance R3, light emitting diode D2's is negative
Pole connects GND；One end of the output end connection resistance R4 of voltage comparator AR2, the other end of resistance R4 connect light emitting diode
The cathode of the anode of D1, light emitting diode D1 connects GND；The cathode of contact pin CZ1, CZ2 connect GND.
The ends positive outlet side V+ of power module V2 connect VCC, while connecting the anode and electrolytic capacitor of electrolytic capacitor C4
The ends cathode outlet side V- of the anode of C6, power module V2 connect GND, and the cathode of electrolytic capacitor C6 connects GND；Potentiometer R9's
One end connects VCC, while connecting one end of one end and resistance R15 of resistance R14；The other end of potentiometer R9 connects electrolytic capacitor
The anode of the cathode and electrolytic capacitor C5 of C4, while the negative input of one end and voltage comparator AR3 of resistance R10 is connected,
The anode of the positive input and contact pin CZ3, CZ4 of connection voltage comparator AR4, the other end of resistance R10 connect again simultaneously
The cathode of GND, electrolytic capacitor C5 connect GND；The negative input of the other end connection voltage comparator AR4 of resistance R15, simultaneously
One end of resistance R16 is connected, the other end of resistance R16 connects GND；The other end connection voltage comparator AR3 of resistance R14 is just
To input terminal, while one end of resistance R13 is connected, the other end of resistance R13 connects GND；Voltage comparator AR3 output ends connect
One end of resistance R11, the anode of the other end connection light emitting diode D4 of resistance R11, the cathode connection of light emitting diode D4
GND；One end of the output end connection resistance R12 of voltage comparator AR4, the other end connection light emitting diode D3's of resistance R12
The cathode of anode, light emitting diode D3 connects GND；The cathode of contact pin CZ3, CZ4 connect GND.
The invention mainly comprises d. c. voltage signal is exported by using V1 power modules, using electric resistance partial pressure and capacitance
After filtering, generates magnetic flow convertor test job voltage signal and be connected to " motionless value " performance test contact pin CZ1, CZ2, be connected to simultaneously
The positive input of the negative input and voltage comparator AR2 of voltage comparator AR1；D. c. voltage signal VCC passes through simultaneously
Electric resistance partial pressure generates " motionless value " test voltage upper limit a reference value and lower reference value, and it is defeated that upper limit a reference value is connected to AR1 forward directions
Enter end, lower reference value is connected to the negative input of AR2, and when test job voltage is less than upper limit a reference value, voltage compares
The output end of device AR1 exports high level, and light emitting diode D2 is lighted, when test job voltage is higher than lower reference value, voltage
The output end of comparator AR2 exports high level, and light emitting diode D1 is lighted, and test voltage potentiometer can be used to carry out when having error
Adjustment, " motionless value " performance detection can be carried out as light emitting diode D1, when D2 is lighted simultaneously.
D. c. voltage signal is exported using V2 power modules, after electric resistance partial pressure and capacitor filtering, magnetic flux is generated and becomes
Parallel operation test job voltage signal is connected to " working value " performance test contact pin CZ3, CZ4, while being connected to the negative of voltage comparator AR3
To the positive input of input terminal and voltage comparator AR4；D. c. voltage signal VCC generates " action by electric resistance partial pressure simultaneously
Value " test voltage upper limit a reference value and lower reference value, upper limit a reference value are connected to AR3 positive inputs, and lower reference value connects
It is connected to the negative input of AR4, when test job voltage is less than upper limit a reference value, the output end output of voltage comparator AR3
High level, light emitting diode D4 are lighted, when test job voltage is higher than lower reference value, the output end of voltage comparator AR4
High level is exported, light emitting diode D3 is lighted, and test voltage has potentiometer can be used to be adjusted when error, work as light emitting diode
D3, D4 can carry out " working value " performance detection when lighting simultaneously.
The test job voltage that magnetic flow convertor detection device can be accurately set by above method, can effectively detect
Magnetic flow convertor is filtered out due to that the failure problems such as can not drive and malfunction caused by packing problem, improves magnetic flow convertor
Functional reliability, further improve the stability of intelligent breaker.
Claims (1)
1. a kind of test device for detecting magnetic flux transducer reliability, it is characterized in that：It includes connecting terminal (DZ1),
First, second, third and fourth contact pin (CZ1, CZ2, CZ3, CZ4), the first and second power module (V1, V2), the first and second potentiometer (R1,
R9), second and third, four, five, six, seven, eight resistance (R2-R8), the ten, the 11,12,13,14,15,16 resistance
(R10-R16), insure (F1), first, second, third and fourth, five, six electrolytic capacitors (C1-C6), the first, second, third and fourth voltage comparator
(AR1, AR2, AR3, AR4), the first, second, third and fourth light emitting diode (D1, D2, D3, D4)；The connecting terminal (DZ1)
One end of one end connection insurance (F1), the other end connect the input terminal N pins of first power module (V1), connect simultaneously
The input terminal N pins of the second power supply module (V2) are connect, the other end of the insurance (F1) connects first power module
(V1) input terminal L pins, while connecting the input terminal L pins of the second power supply module (V2)；First power module
(V1) anode output V+ pins connect the anode of the third electrolytic capacitor (C3), while connecting first electrolytic capacitor
(C1) one end of positive, described first potentiometer (R1), one end of the five, the eight resistance (R5, R8) simultaneously meet VCC；It is described
The cathode output V- pins connection GND of first power module (V1) and the cathode of the third electrolytic capacitor (C3), described the
One end of two resistance (R2), and the cathode of second electrolytic capacitor (C2) is connected, while connecting the six, the seven resistance
The one end of (R6, R7), first and second contact pin (CZ1, CZ2) cathode；The cathode of first electrolytic capacitor (C1) connects institute
State positive, the described second resistance (R2) of the second electrolytic capacitor (C2) the other end and first potentiometer (R1) it is another
End, at the same connect the negative input of the first voltage comparator (AR1), second voltage comparator (AR2) positive input,
The anode of first and second contact pin (CZ1, CZ2)；The other end of 5th resistance (R5) connects the 6th resistance (R6)
The other end, while connecting the negative input of the second voltage comparator (AR2)；The other end of 7th resistance (R7) connects
The other end of the 8th resistance (R8) is connect, while connecting the positive input of a voltage comparator (AR1)；Described first
The output end of voltage comparator (AR1) connects one end of the 3rd resistor (R3), and the other end of the 3rd resistor (R3) connects
The anode of second light emitting diode (D2) is connect, the cathode of second light emitting diode (D2) connects GND；Second electricity
The output end of comparator (AR2) is pressed to connect one end of the 4th resistance (R4), the other end connection of the 4th resistance (R4)
The cathode of the anode of first light emitting diode (D1), first light emitting diode (D1) connects GND；
The anode output V+ pins of the second power supply module (V2) connect positive, described the of the 6th electrolytic capacitor (C6)
One end of two potentiometers (R9), the positive, described 14th of the 4th electrolytic capacitor (C4), 15 resistance (R14, R15)
One end；The cathode output V- pins of the second power supply module (V2) connect GND, and connect the described 13rd, 16 resistance
The one end of (R13, R16) and one end of the tenth resistance (R10), the cathode of the five, the six electrolytic capacitor (C5, C6) and institute
State the cathode of third and fourth contact pin (CZ3, CZ4)；The cathode of 4th electrolytic capacitor (C4) connects the 5th electrolytic capacitor
(C5) the other end of positive, described tenth resistance (R10), the other end of second potentiometer (R9) and third electricity
Press the negative input of comparator (AR3), positive input, third and fourth described contact pin of the 4th voltage comparator (AR4)
The anode of (CZ3, CZ4)；The other end of the thirteenth resistor (R13) connects the other end of the 14th resistance (R14), together
When connect the positive input of the tertiary voltage comparator (AR3)；Described in the other end connection of 15th resistance (R15)
The other end of 16th resistance (R16), while connecting the negative input of the 4th voltage comparator (AR4)；The third
The output end of voltage comparator (AR3) connects one end of the eleventh resistor (R11), the eleventh resistor (R11) it is another
One end connects the anode of the 4th light emitting diode (D4), and the cathode of the 4th light emitting diode (D4) connects GND；It is described
The output end of 4th voltage comparator (AR4) connects one end of the twelfth resistor (R12), the twelfth resistor (R12)
The other end connect the anode of the third light emitting diode (D3), the cathode of the third light emitting diode (D3) connects GND.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810395429.3A CN108508356A (en) | 2018-04-27 | 2018-04-27 | Test device for detecting magnetic flux transducer reliability |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810395429.3A CN108508356A (en) | 2018-04-27 | 2018-04-27 | Test device for detecting magnetic flux transducer reliability |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108508356A true CN108508356A (en) | 2018-09-07 |
Family
ID=63399144
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810395429.3A Withdrawn CN108508356A (en) | 2018-04-27 | 2018-04-27 | Test device for detecting magnetic flux transducer reliability |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108508356A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114152777A (en) * | 2021-11-19 | 2022-03-08 | 中国北方发动机研究所(天津) | Circuit for testing and automatically detecting magnetoelectric rotation speed sensor |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201218777Y (en) * | 2008-05-27 | 2009-04-08 | 豫北(新乡)汽车动力转向器有限公司 | Centering measurement circuit of vehicle electric power-assisted steering device torque sensor |
| CN104678311A (en) * | 2015-01-29 | 2015-06-03 | 北京新能源汽车股份有限公司 | Detection device for power voltage state of electric automobile |
| CN205608074U (en) * | 2016-05-23 | 2016-09-28 | 重庆灿源电子有限公司 | Comparison circuit's test fixture |
| CN106159887A (en) * | 2016-08-19 | 2016-11-23 | 天津市百利电气有限公司 | Chopper dual power supply over-and under-voltage protection device |
-
2018
- 2018-04-27 CN CN201810395429.3A patent/CN108508356A/en not_active Withdrawn
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201218777Y (en) * | 2008-05-27 | 2009-04-08 | 豫北(新乡)汽车动力转向器有限公司 | Centering measurement circuit of vehicle electric power-assisted steering device torque sensor |
| CN104678311A (en) * | 2015-01-29 | 2015-06-03 | 北京新能源汽车股份有限公司 | Detection device for power voltage state of electric automobile |
| CN205608074U (en) * | 2016-05-23 | 2016-09-28 | 重庆灿源电子有限公司 | Comparison circuit's test fixture |
| CN106159887A (en) * | 2016-08-19 | 2016-11-23 | 天津市百利电气有限公司 | Chopper dual power supply over-and under-voltage protection device |
Non-Patent Citations (1)
| Title |
|---|
| 赵圣宝;吴成加;: "电动汽车用电机控制器三相电流不平衡检测电路设计" * |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114152777A (en) * | 2021-11-19 | 2022-03-08 | 中国北方发动机研究所(天津) | Circuit for testing and automatically detecting magnetoelectric rotation speed sensor |
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Application publication date: 20180907 |