CN108535640A - A kind of breaker coil output size detection device - Google Patents
A kind of breaker coil output size detection device Download PDFInfo
- Publication number
- CN108535640A CN108535640A CN201810272916.0A CN201810272916A CN108535640A CN 108535640 A CN108535640 A CN 108535640A CN 201810272916 A CN201810272916 A CN 201810272916A CN 108535640 A CN108535640 A CN 108535640A
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- pulse signal
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- 238000001514 detection method Methods 0.000 title abstract description 7
- 230000007274 generation of a signal involved in cell-cell signaling Effects 0.000 claims abstract description 22
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims abstract description 17
- 230000002085 persistent effect Effects 0.000 claims abstract description 4
- 239000004744 fabric Substances 0.000 claims abstract description 3
- 230000010355 oscillation Effects 0.000 claims description 19
- 230000008859 change Effects 0.000 claims description 5
- 239000003990 capacitor Substances 0.000 claims description 4
- 238000006243 chemical reaction Methods 0.000 claims description 4
- 230000009514 concussion Effects 0.000 claims description 3
- 230000009467 reduction Effects 0.000 claims description 3
- 238000012360 testing method Methods 0.000 abstract description 19
- 230000005611 electricity Effects 0.000 description 7
- 230000009471 action Effects 0.000 description 4
- 238000010276 construction Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 238000002474 experimental method Methods 0.000 description 3
- 241000283725 Bos Species 0.000 description 2
- 230000005389 magnetism Effects 0.000 description 2
- 230000035939 shock Effects 0.000 description 2
- 230000003068 static effect Effects 0.000 description 2
- 238000013142 basic testing Methods 0.000 description 1
- 238000009530 blood pressure measurement Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 230000001788 irregular Effects 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 230000000737 periodic effect Effects 0.000 description 1
- 230000004044 response Effects 0.000 description 1
- 150000003839 salts Chemical class 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
Classifications
-
- 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
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
- G01L5/00—Apparatus for, or methods of, measuring force, work, mechanical power, or torque, specially adapted for specific purposes
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Testing Electric Properties And Detecting Electric Faults (AREA)
Abstract
The present invention discloses a kind of breaker coil and goes out force checking device, including pulse signal generation circuit, relay coil structure, operating circuit, pressure sensor and host computer, pulse signal generation circuit connects relay coil structure, to relay coil structure output impulse wave；When the impulse wave of pulse signal generation circuit output is high level, relay coil fabric connectivity operating circuit and pulse signal generation circuit, and Operating In Persistent Current Mode circuit, so that breaker electrifying to be measured；After breaker electrifying to be measured, internal dynamic iron core, which is contributed, hits pressure sensor, and pressure sensor acquires the pressure value that dynamic iron core is contributed in breaker to be measured, and the pressure value acquired is transmitted to host computer.The present invention is applicable in the output detection of various breaker coils, and connection type is simple, and test operation is simple, and it is high to save man-haur efficiency.
Description
Technical field
The present invention relates to breaker coil testing field, more particularly to a kind of breaker coil goes out force checking device.
Background technology
Breaker is the most important equipment of electric system, and main function is automatically controlled various in normal or failure
Power circuit and equipment are cut-off and are closed, to ensure the normal operation of system.As the main element of breaker mechanism, division
Brake cable circle does not obtain enough attention for a long time, and without national standard and comprehensive testing requirements, each producer's product quality is irregular
It is uneven, and it is key factor that breaker is cut-off that can divide-shut brake coil, which correctly act,.It is following more next with grid equipment
More, breaker total amount constantly increases, and especially in coastal area, high humidity high-heat environment with high salt is unfavorable for the operation of equipment.Once
Coil goes wrong, and can influence failure removal, expands accident, influences power supply reliability, also repeatedly occurs because of divide-shut brake in power grid
The extremely caused fault spread of coil.Therefore the demand of the test device of divide-shut brake coil will more and more urgently therefore there is an urgent need for exploitations
A kind of test device for circuit-breaker switching on-off coil ensures that the quality of product disclosure satisfy that coil measurement requirement, sends out in time
Existing potential risk, promotes breaker reliability of operation.
At present in the basic test of breaker coil, including temperature rise test, mechanical endurance test.Temperature rise test is logical
Electric 1s powers off 99s, and 8 hours of continuous action, off-test was taken until temperature stablizes (general case surface can reach more than 50 DEG C)
Out whether the parameters such as the output of detection coil, actuation time have exception.Continuous action under mechanical endurance test is powered and compares 1%
50000 times, whether monitoring case surface temperature is no more than 80 DEG C, and whether the parameters such as other power, actuation time have exception.
In two above experiment, it can be found that in the testing experiment of breaker coil, the output size of divide-shut brake coil is one important
Testing index.But the no national standard of test for circuit-breaker switching on-off coil output size and comprehensive detection are wanted at present
It asks, each coil production producer generally uses the test of circuit-breaker switching on-off coil output size the side for building simple platform
Formula lacks unified codes and standards.
Invention content
The main object of the present invention is to propose that a kind of breaker coil goes out force checking device, it is intended to overcome the above problem.
To achieve the above object, a kind of breaker coil proposed by the present invention goes out force checking device, including pulse signal hair
Raw circuit, relay coil structure, operating circuit, pressure sensor and host computer, pulse signal generation circuit connect relay
Loop construction, to relay coil structure output impulse wave；When the impulse wave of pulse signal generation circuit output is high level,
Relay coil fabric connectivity operating circuit and pulse signal generation circuit, and Operating In Persistent Current Mode circuit, so that breaker to be measured is logical
Electricity；After breaker electrifying to be measured, internal dynamic iron core, which is contributed, hits pressure sensor, and pressure sensor acquires breaker to be measured
The pressure value that middle dynamic iron core is contributed, and the pressure value acquired is transmitted to host computer.
Preferably, the pressure sensor is additionally provided with the conversion module that pressure value is converted into momentum.
Preferably, the pulse signal generation circuit includes constituting multivibrator and capacitance C by 555 chips, described
The structure of 555 chips is that 1 foot is ground terminal GND；2 feet are low level triggering end, thus input low level trigger pulse；3 feet are
Output end；4 feet are reset terminal, and input negative pulse makes the timer direct reduction in 555 chips；5 feet are voltage controling end, herein
Applied voltage is held to change the reference voltage of comparator, when not used, the capacity earth through 0.01uF；6 feet are high level triggering end, by
This input high level trigger pulse；7 feet are discharge end, when the timer in 555 chips exports low level, are put to external capacitor C
Electricity；8 feet are power source voltage Vcc.
Preferably, it is a kind of self-excited oscillator generating rectangular wave pulse that 555 chip, which constitutes multivibrator,.
Preferably, the pulse signal generation circuit further includes that resistance R1 and resistance R2, the resistance R1 are set to 555 cores
Between 7 feet and 8 feet of piece, 6 feet and the level triggers node of 2 feet and 7 feet of 555 chips of the resistance R2 set on 555 chips
Between.
Preferably, the frequency of oscillation of the rectangular wave pulse and output waveform duty ratio pass through regulation resistance R1, electricity
Resistance R2 and capacitance C changes cycle of oscillation,
Capacitance C charging time T1：
Wherein indicating concussion constant coefficient, Vcc is supply voltage, and Vc is capacitance voltage,
Capacitance C discharge time T2：T2=0.7R2C (2),
Circuit oscillation cycle T：T=T1+T2=0.7 (R1+2R2) C (3),
Circuit oscillation frequency f：
Output waveform duty ratio q：
By (5) formula it is found that adjusting the duty ratio of circuit oscillation cycle T and output waveform by adjusting the value of R1, R2, and
Circuit oscillation cycle T is adjusted by capacitance C.
Preferably, further include transmitter, the transmitter sends the pressure value that pressure sensor is acquired to host computer.
The present invention is a kind of new equipment of breaker coil actuation time detection, which can accurately detect breaker line
Iris out power size, moreover it is possible to assess the test result of breaker coil items testing experiment.
The present invention has the following advantages：
1. the detection suitable for all breaker coil output sizes；
2. pulse signal generation circuit is built using 555 chips with capacitance resistance, simple in structure, output voltage waveforms
Duty ratio is simply easily adjusted, and wire loop uses the conducting and shutdown of control relay circuit, and response is rapid, efficiently convenient；
3. pressure sensor is connect by transmitter with host computer, can simultaneous display go out pressure sensor institute test coil and contribute
Size；
4. connection type is simple, test operation is simple, and it is high to save man-haur efficiency.
Description of the drawings
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below
There is attached drawing needed in technology description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this
Some embodiments of invention for those of ordinary skill in the art without creative efforts, can be with
The structure shown according to these attached drawings obtains other attached drawings.
Fig. 1 is the structure intention that breaker coil of the present invention goes out one embodiment of force checking device；
Fig. 2 is the circuit diagram of pulse signal generation circuit of the present invention；
Fig. 3 is the multivibrator mechanical periodicity design sketch that 555 chips of the invention are constituted,
The embodiments will be further described with reference to the accompanying drawings for the realization, the function and the advantages of the object of the present invention.
Specific implementation mode
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 describes, it is clear that described embodiment is only a part of the embodiment of the present invention, instead of all the embodiments.Base
Embodiment in the present invention, those of ordinary skill in the art obtained without creative efforts it is all its
His embodiment, shall fall within the protection scope of the present invention.
If it is to be appreciated that related in the embodiment of the present invention directionality instruction (such as up, down, left, right, before and after ...),
Then directionality instruction be only used for explaining relative position relation under a certain particular pose (as shown in the picture) between each component,
Motion conditions etc., if the particular pose changes, directionality instruction also correspondingly changes correspondingly.
Referring to Fig.1-3, a kind of breaker coil proposed by the present invention goes out force checking device, including electricity occurs for pulse signal
Road, relay coil structure, operating circuit, pressure sensor and host computer, pulse signal generation circuit connect relay coil
Structure, to relay coil structure output impulse wave；When the impulse wave of pulse signal generation circuit output is high level, relay
Device loop construction is connected to operating circuit and pulse signal generation circuit, and Operating In Persistent Current Mode circuit, so that breaker electrifying to be measured；It waits for
After surveying breaker electrifying, internal dynamic iron core, which is contributed, hits pressure sensor, and pressure sensor is acquired in breaker to be measured and moved
The pressure value that iron core is contributed, and the pressure value acquired is transmitted to host computer.
In embodiments of the present invention, breaker coil goes out force checking device by signal pulse signal generating loop, relay
Device loop construction, pressure sensor and upper structure at.Pulse signal generating loop is the multi-resonant being made of 555 chips
Device is swung, a rectangular pulse waveform is exported；When multivibrator exports high level, when relay works, electromagnet is powered rank
Iron, which is inhaled, makes dynamic and static contact, and operating circuit is closed so that coil is powered, and dynamic iron core is hit under the action of internal electromagnetic force
Hit sensor.When multivibrator exports low level, electromagnet loses magnetism when powering off, and spring handle armature pulls up, and cuts off work
Make circuit, coil blackout dynamic iron core resets；Institute's pressure measurement force value is passed through pick-up by pressure sensor by after the collision of dynamic iron core mandril
Device is transmitted to host computer, by conversion (providing software by sensor producer), show that the coil in shock moment moves the momentum of iron core.
The impact force of general coil is tens oxen.
Preferably, the pressure sensor is additionally provided with the conversion module that pressure value is converted into momentum.
Preferably, the pulse signal generation circuit includes constituting multivibrator and capacitance C by 555 chips, described
The structure of 555 chips is that 1 foot is ground terminal GND；2 feet are low level triggering end, thus input low level trigger pulse；3 feet are
Output end；4 feet are reset terminal, and input negative pulse makes the timer direct reduction in 555 chips；5 feet are voltage controling end, herein
Applied voltage is held to change the reference voltage of comparator, when not used, the capacity earth through 0.01uF；6 feet are high level triggering end, by
This input high level trigger pulse；7 feet are discharge end, when the timer in 555 chips exports low level, are put to external capacitor C
Electricity；8 feet are power source voltage Vcc.
Preferably, it is a kind of self-excited oscillator generating rectangular wave pulse that 555 chip, which constitutes multivibrator,.
Preferably, the pulse signal generation circuit further includes that resistance R1 and resistance R2, the resistance R1 are set to 555 cores
Between 7 feet and 8 feet of piece, 6 feet and the level triggers node of 2 feet and 7 feet of 555 chips of the resistance R2 set on 555 chips
Between.
Preferably, the frequency of oscillation of the rectangular wave pulse and output waveform duty ratio pass through regulation resistance R1, electricity
Resistance R2 and capacitance C changes cycle of oscillation,
Capacitance C charging time T1：
Wherein indicating concussion constant coefficient, Vcc is supply voltage, and Vc is capacitance voltage,
Capacitance C discharge time T2：T2=0.7R2C (2),
Circuit oscillation cycle T：T=T1+T2=0.7 (R1+2R2) C (3),
Circuit oscillation frequency f：
Output waveform duty ratio q：
By (5) formula it is found that adjusting the duty ratio of circuit oscillation cycle T and output waveform by adjusting the value of R1, R2, and
Circuit oscillation cycle T is adjusted by capacitance C.
Preferably, further include transmitter, the transmitter sends the pressure value that pressure sensor is acquired to host computer.
In the present invention is implemented, the multivibrator that 555 chips are constituted is a kind of self-excited oscillator that can generate rectangular wave,
Also referred to as square-wave generator.After being powered up, rectangular pulse can be automatically generated by not needing applying pulse.Its working principle is that
When power supply is connected, 555 3 feet export high level, while power supply is charged by R1, R2 to capacitance c, when the voltage on c reaches
When threshold voltage (2/3 supply voltage) of 555 integrated circuit, 6 foot, 555 7 feet bleed off the electricity in capacitance, and 3 feet are by high level
Become low level.When the voltage of capacitance drops to 1/3 supply voltage, 3 feet become high level again, while power supply is again through R1, R2
To capacitor charging.So in cycles, oscillation is formed.Periodic Rectangular pulse signal caused by multivibrator is applied to relay
Device, when the signal of multivibrator output is the high level of rectangular pulse, when relay works, armature is inhaled in electromagnet energization
Get off to make dynamic and static contact, operating circuit is closed so that 110v/220v DC power supplies are powered to coil.The dynamic iron core of coil
After coil energization, pressure value is become the software being sent on computer by impact microphone under the action of internal electromagnetic force, sensor,
Show that the coil in shock moment moves the momentum of iron core by the module that converts (impact force of general coil is tens oxen).When more
When harmonic oscillator exports low level, electromagnet loses magnetism when powering off, and spring handle armature pulls up, and coil blackout dynamic iron core is multiple
Position.Therefore rectangular pulse caused by the on, off of wire loop and multivibrator is in same mechanical periodicity, therefore can examine
Survey the output situation for repeatedly testing coil in the time according to same time interval.
It these are only the preferred embodiment of the present invention, be not intended to limit the scope of the invention, it is every in the present invention
Inventive concept under, using equivalent structure transformation made by description of the invention and accompanying drawing content, or directly/be used in it indirectly
His relevant technical field is included in the scope of patent protection of the present invention.
Claims (7)
1. a kind of breaker coil goes out force checking device, which is characterized in that including pulse signal generation circuit, relay coil knot
Structure, operating circuit, pressure sensor and host computer, pulse signal generation circuit connects relay coil structure, to relay line
Coil structures export impulse wave；When the impulse wave of pulse signal generation circuit output is high level, relay coil fabric connectivity
Operating circuit and pulse signal generation circuit, and Operating In Persistent Current Mode circuit, so that breaker electrifying to be measured；Breaker electrifying to be measured
Afterwards, internal dynamic iron core, which is contributed, hits pressure sensor, and pressure sensor acquires the pressure that dynamic iron core is contributed in breaker to be measured
Force value, and the pressure value acquired is transmitted to host computer.
2. breaker coil as described in claim 1 goes out force checking device, which is characterized in that the pressure sensor is additionally provided with
Pressure value is converted into the conversion module of momentum.
3. breaker coil as described in claim 1 goes out force checking device, which is characterized in that the pulse signal generation circuit
Including constituting multivibrator and capacitance C by 555 chips, it is ground terminal GND that the structure of 555 chip, which is 1 foot,；2 feet are low
Level triggers end, thus input low level trigger pulse；3 feet are output end；4 feet are reset terminal, and input negative pulse makes 555 chips
In timer direct reduction；5 feet are voltage controling end, and applied voltage is held to change the reference voltage of comparator herein, when not used,
Capacity earth through 0.01uF；6 feet are high level triggering end, thus input high level trigger pulse；7 feet are discharge end, 555 cores
When timer in piece exports low level, discharge external capacitor C；8 feet are power source voltage Vcc.
4. breaker coil as claimed in claim 3 goes out force checking device, which is characterized in that 555 chip constitutes multi resonant
Oscillator is a kind of self-excited oscillator generating rectangular wave pulse.
5. breaker coil as described in claim 1 goes out force checking device, which is characterized in that the pulse signal generation circuit
Further include resistance R1 and resistance R2, the resistance R1 is set between 7 feet and 8 feet of 555 chips, and the resistance R2 is set to 555 cores
Between 6 feet of piece and the level triggers node of 2 feet and 7 feet of 555 chips.
6. breaker coil as described in claim 1 goes out force checking device, which is characterized in that the oscillation of the rectangular wave pulse
Frequency and output waveform duty ratio change cycle of oscillation by regulation resistance R1, resistance R2 and capacitance C,
Capacitance C charging time T1：
Wherein indicating concussion constant coefficient, Vcc is supply voltage, and Vc is capacitance voltage,
Capacitance C discharge time T2：T2=0.7R2C (2),
Circuit oscillation cycle T：T=T1+T2=0.7 (R1+2R2) C (3),
Circuit oscillation frequency f：
Output waveform duty ratio q：
By (5) formula it is found that adjusting the duty ratio of circuit oscillation cycle T and output waveform by adjusting the value of R1, R2, and circuit
Cycle of oscillation T is adjusted by capacitance C.
7. breaker coil as described in claim 1 goes out force checking device, which is characterized in that further include transmitter, the change
Device is sent to send the pressure value that pressure sensor is acquired to host computer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810272916.0A CN108535640A (en) | 2018-03-29 | 2018-03-29 | A kind of breaker coil output size detection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810272916.0A CN108535640A (en) | 2018-03-29 | 2018-03-29 | A kind of breaker coil output size detection device |
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| Publication Number | Publication Date |
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| CN108535640A true CN108535640A (en) | 2018-09-14 |
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| CN201810272916.0A Pending CN108535640A (en) | 2018-03-29 | 2018-03-29 | A kind of breaker coil output size detection device |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113176098A (en) * | 2021-03-29 | 2021-07-27 | 江铃汽车股份有限公司 | Fuel oil cut-off signal detection method and system |
| CN115902596A (en) * | 2023-02-27 | 2023-04-04 | 杭州朗迅科技股份有限公司 | Non-contact chip quality detection device and detection method |
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| CN115902596A (en) * | 2023-02-27 | 2023-04-04 | 杭州朗迅科技股份有限公司 | Non-contact chip quality detection device and detection method |
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