CN108645513A - A kind of arc photosensor testing light source generating means and its test method - Google Patents
A kind of arc photosensor testing light source generating means and its test method Download PDFInfo
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- CN108645513A CN108645513A CN201810783821.5A CN201810783821A CN108645513A CN 108645513 A CN108645513 A CN 108645513A CN 201810783821 A CN201810783821 A CN 201810783821A CN 108645513 A CN108645513 A CN 108645513A
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- 238000012360 testing method Methods 0.000 title claims abstract description 47
- 238000010998 test method Methods 0.000 title claims abstract description 16
- 239000000758 substrate Substances 0.000 claims abstract description 25
- 230000001678 irradiating effect Effects 0.000 claims abstract description 24
- 238000000034 method Methods 0.000 claims abstract description 10
- 238000006243 chemical reaction Methods 0.000 claims description 13
- 230000003287 optical effect Effects 0.000 claims description 8
- 230000005611 electricity Effects 0.000 claims description 5
- 230000004044 response Effects 0.000 claims description 5
- 230000008569 process Effects 0.000 claims description 4
- 238000012544 monitoring process Methods 0.000 claims description 3
- 238000009434 installation Methods 0.000 description 5
- 230000005540 biological transmission Effects 0.000 description 4
- 238000001514 detection method Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 230000033228 biological regulation Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000010304 firing Methods 0.000 description 2
- 230000006978 adaptation Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000003760 hair shine Effects 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 230000003447 ipsilateral effect Effects 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 230000006641 stabilisation Effects 0.000 description 1
- 238000011105 stabilization Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01J—MEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT, POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRARED, VISIBLE OR ULTRAVIOLET LIGHT; COLORIMETRY; RADIATION PYROMETRY
- G01J1/00—Photometry, e.g. photographic exposure meter
- G01J1/02—Details
- G01J1/08—Arrangements of light sources specially adapted for photometry standard sources, also using luminescent or radioactive material
-
- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05D—SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES
- G05D25/00—Control of light, e.g. intensity, colour or phase
- G05D25/02—Control of light, e.g. intensity, colour or phase characterised by the use of electric means
-
- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05D—SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES
- G05D3/00—Control of position or direction
- G05D3/12—Control of position or direction using feedback
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01J—MEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT, POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRARED, VISIBLE OR ULTRAVIOLET LIGHT; COLORIMETRY; RADIATION PYROMETRY
- G01J1/00—Photometry, e.g. photographic exposure meter
- G01J1/02—Details
- G01J1/08—Arrangements of light sources specially adapted for photometry standard sources, also using luminescent or radioactive material
- G01J2001/083—Testing response of detector
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Automation & Control Theory (AREA)
- Spectroscopy & Molecular Physics (AREA)
- Circuit Arrangement For Electric Light Sources In General (AREA)
Abstract
The invention discloses a kind of arc photosensor testing light source generating means and its test methods, belong to arc light detecting and protection technique field, including fixed substrate, the closing shell for being fixed on the front panel of fixed substrate side and being fixed in fixed substrate, the side of front panel is fixed with arc photosensor adapter, the lower section of fixed substrate is equipped with Angle Modulation Motor, the rotary shaft of Angle Modulation Motor passes through fixed substrate, the top of fixed substrate is equipped with main control unit, cantilever and the angular transducer below cantilever, cantilever is fixed in the shaft of Angle Modulation Motor, light source and steady light unit are fixed on cantilever, steady light unit includes light feedback circuit and the control circuit for light source that is connected with light feedback circuit.The present invention is improved light source intensity precision by using analog feedback and is controlled the irradiating angle of light source in the way of closed loop feedback, to solve the problems, such as that manual operation error is big.
Description
Technical field
The present invention relates to a kind of testing light source generating means and test methods, are tested more particularly to a kind of arc photosensor
Light source generator and its test method belong to arc light detecting and protection technique field.
Background technology
Effective measure of the arc protection as power industry error protection, played in power transmission and transformation system error protection to
Close important role.By the experience of arc protection for many years, the scheme of arc light and the double criterions of electric current is widely adopted.Numerous weeks
Know, is the mechanism using current break or its SPA sudden phase anomalies in terms of current detecting, the angle being not present on hardware among these is asked
Topic；And arc photosensor belongs to the scope of hardware, there is this parameters of receiving angle for optical detection, so to arc photosensor
The inspection of itself just has angular response characteristic.
Although occurring Related product on the market at present, do not have the performance of light source incidence angular adjustment mostly, or
Angle can be adjusted, but the detection mode of regulative mode and angle is incomplete, cannot achieve the high performance requirement of angle precision,
A kind of equipment is needed now, and analog feedback can be utilized to improve light source intensity precision, while the control in the way of closed loop feedback
The irradiating angle of light source processed, to solve the problems, such as that manual operation error is big.
Invention content
The main object of the present invention is to provide for a kind of arc photosensor testing light source generating means and its test method,
While improving light source intensity precision using analog feedback, the irradiating angle of light source is controlled in the way of closed loop feedback,
To solve the problems, such as that manual operation error is big.
The purpose of the present invention can reach by using following technical solution：
A kind of arc photosensor testing light source generating means, including fixed substrate, it is fixed on the fixed substrate side
The side of front panel and the closing shell being fixed in the fixed substrate, the front panel is fixed with arc photosensor adaptation
The lower section of part, the fixed substrate is equipped with Angle Modulation Motor, and the rotary shaft of the Angle Modulation Motor passes through the fixed substrate, described solid
The top for determining substrate is equipped with main control unit, cantilever and the angular transducer below the cantilever, and the cantilever is fixed on
In the shaft of the Angle Modulation Motor, light source and steady light unit are fixed on the cantilever, the steady light unit includes light feedback electricity
Road and the control circuit for light source being connected with the smooth feedback circuit, the main control unit include CPU and respectively with the CPU
Connected circuit for controlling motor, analog to digital conversion circuit, D/A converting circuit, telecommunication circuit and power circuit, the light source control
Circuit is connected with the D/A converting circuit and the light source respectively, and the circuit for controlling motor is connected with the Angle Modulation Motor,
Analog-digital conversion circuit as described is connected with the angular transducer.
Preferably, the Angle Modulation Motor is that step angle is less than 1 ° and can reach the stepper motor of integer angle after multiplying again.
Preferably, the angle of the Angle Modulation Motor rotation is controlled the CPU in a manner of four phase eight beat, the CPU
Monitoring position is carried out to a certain angle using angular transducer.
Preferably, the rotary shaft of the Angle Modulation Motor, the light-emitting axis of the light source and the arc photosensor adapter
Central shaft meets at intersection point A, the rotary shaft of the Angle Modulation Motor, the light-emitting axis of the light source and the arc photosensor adapter
Any two axis in central shaft is in same plane.
Preferably, the cantilever drives the light source to be rotated in 0 °~180 ° around the intersection point A, if the cantilever has
Dry, the light source has several, and the light source is wide range or monochromatic high-power LED of the wavelength in 200nm~700nm.
Preferably, the steady light unit drives the light source luminescent using the voltage value of D/A converting circuit output,
The steady light unit adjusts the size of the power supply current value of the light source using the smooth feedback circuit.
Preferably, the front panel is equipped with the mounting hole for fixing the arc photosensor adapter, the installation
The periphery in hole is equipped at least three threaded holes being circumferentially distributed.
Preferably, the power circuit is fed back with light source, the Angle Modulation Motor, the angular transducer, the light respectively
Circuit, the control circuit for light source, the CPU, the circuit for controlling motor, analog-digital conversion circuit as described, the digital-to-analogue conversion
Circuit is connected with the telecommunication circuit.
Further, the test method that a kind of arc photosensor testing light source occurs, the CPU pass through the telecommunication circuit
The external setting command information sent is received, the CPU sends the photograph that instruction adjusts the light source according to the requirement of command content
The luminous intensity of firing angle degree and the light source, test process include the following steps：
Step 1：Arc photosensor adapter is fixed on front panel, and makes the light of arc photosensor adapter is equivalent to connect
Sink is overlapped with intersection point A, and adjusting Angle Modulation Motor makes the light source of cantilevered distal end be in a certain irradiating angle；
Step 2：Optical axis along arc photosensor adapter rotates arc photosensor adapter according to the angle interval of setting,
To complete under this irradiating angle arc photosensor adapter in the response of each section of cambered surface；
Step 3：Light source is adjusted to next irradiating angle, step is repeated, until light source is to the photograph of arc photosensor adapter
Firing angle Du Dadu.
Preferably, the cantilever has several, and the light source has several, the rotary shaft of the Angle Modulation Motor and several
If the light-emitting axis of the light source meets at intersection point A, if the hair of the central shaft of the arc photosensor adapter and several light sources
In optical axis is generally aligned in the same plane.
The advantageous effects of the present invention：Arc photosensor testing light source generating means according to the invention and its test side
Method, arc photosensor testing light source generating means provided by the invention and its test method,
1) present invention controls the luminous intensity of light source by the way of analog closed-loop feedback, improves the stabilization of light source luminescent
Degree, eliminate light source luminescent intensity with the working time gradually decay the drawbacks of；
2) present invention drives light source rotation using motor, while using the position of angular transducer detection light source, improving
Light source avoids the big disadvantage of manual rotation angular error to the precision of sensor irradiating angle to be measured；
3) there are the installation threaded holes that certain amount is circumferentially distributed in the front panel for installing sensor to be measured by the present invention, use
In rotation sensor to test the side of different angle, the comprehensive of test is improved, sensor to be measured is eliminated and is fixedly mounted
It is only capable of testing the weakness of certain one side；
4) present invention installs multiple cantilevers in the shaft of regulation motor, and multiple light sources can be installed on multiple cantilevers,
The test request of various light sources can be met simultaneously.
Description of the drawings
Fig. 1 is a preferred embodiment of arc photosensor testing light source generating means according to the invention and its test method
Overall structure diagram；
Fig. 2 is a preferred embodiment of arc photosensor testing light source generating means according to the invention and its test method
Circuit connection diagram；
Fig. 3 is another preferred implementation of arc photosensor testing light source generating means according to the invention and its test method
The overall structure diagram of example.
In figure：1- fixed substrates, 2- front panels, 3- closing shells, 4- arc photosensor adapters, 5- light sources, 6- cantilevers,
7- Angle Modulation Motors, 8- angular transducers, the steady light units of 9-, 10- main control units, 91- light feedback circuits, 92- control circuit for light source,
101-CPU, 102- circuit for controlling motor, 103- analog to digital conversion circuits, 104- D/A converting circuits, 105- telecommunication circuits, 106-
Power circuit.
Specific implementation mode
To make the more clear and clear technical scheme of the present invention of those skilled in the art, with reference to embodiment and attached drawing
The present invention is described in further detail, and embodiments of the present invention are not limited thereto.
Embodiment 1：
As depicted in figs. 1 and 2, a kind of arc photosensor testing light source generating means provided in this embodiment and its test side
Method, including fixed substrate 1, the closing shell that is fixed on the front panel 2 of 1 side of fixed substrate and is fixed in fixed substrate 1
3, the side of front panel 2 is fixed with arc photosensor adapter 4, and the lower section of fixed substrate 1 is equipped with Angle Modulation Motor 7, Angle Modulation Motor 7
Rotary shaft pass through fixed substrate 1, the top of fixed substrate 1 to be equipped with main control unit 10, cantilever 6 and positioned at 6 lower section of cantilever
Angular transducer 8, cantilever 6 are fixed in the shaft of Angle Modulation Motor 7, and light source 5 and steady light unit 9, steady light list are fixed on cantilever 6
First 9 include including light feedback circuit 91 and the control circuit for light source 92 being connected with light feedback circuit 91, main control unit 10
CPU101 and the circuit for controlling motor 102 being connected respectively with CPU101, analog to digital conversion circuit 103, D/A converting circuit 104,
Telecommunication circuit 105 and power circuit 106, control circuit for light source 92 are connected with D/A converting circuit 104 and light source 5 respectively, motor
Control circuit 102 is connected with Angle Modulation Motor 7, and analog to digital conversion circuit 103 is connected with angular transducer 8.
In the present embodiment, as shown in Figure 1, Angle Modulation Motor 7 is step angle can reach integer angular less than 1 ° and after multiplying again
The stepper motor of degree, the angle that Angle Modulation Motor 7 rotates are controlled CPU101 in a manner of four phase eight beat, and CPU101 utilizes angle
Sensor 8 carries out monitoring position to a certain angle, drives light source 5 to rotate using Angle Modulation Motor 7, while utilizing angular transducer 8
The position for detecting light source 5, improves light source 5 to the precision of sensor irradiating angle to be measured, avoids manual rotation angular error
Big disadvantage.
In the present embodiment, as shown in Figure 1, the rotary shaft of Angle Modulation Motor 7, the light-emitting axis of light source 5 and arc photosensor are suitable
The central shaft of accessory 4 meets at intersection point A, in the rotary shaft of Angle Modulation Motor 7, the light-emitting axis and arc photosensor adapter 4 of light source 5
Any two axis in mandrel is in same plane.
In the present embodiment, as shown in Figure 1, cantilever 6 drives light source 5 to be rotated in 0 °~180 ° around intersection point A, cantilever 6
There are several, light source 5 there are several, and light source 5 is wide range or monochromatic high-power LED of the wavelength in 200nm~700nm.
In the present embodiment, as shown in Figure 1, steady light unit 9 drives light using the voltage value that D/A converting circuit 104 exports
Source 5 shines, and steady light unit 9 adjusts the size of the power supply current value of light source 5 using light feedback circuit 91, to improve shining for light source
Intensity accuracy.
In the present embodiment, as shown in Figure 1, front panel 2 is equipped with the installation for fixing arc photosensor adapter 4
Hole, the periphery of mounting hole are equipped at least three threaded holes being circumferentially distributed, to adapt to, to the test of sensor not ipsilateral, carry
High test it is comprehensive, eliminate sensor to be measured and the weakness for being only capable of testing certain one side be fixedly mounted.
In the present embodiment, as depicted in figs. 1 and 2, power circuit 106 respectively with light source 5, Angle Modulation Motor 7, angle sensor
Device 8, light feedback circuit 91, control circuit for light source 92, CPU101, circuit for controlling motor 102, analog to digital conversion circuit 103, digital-to-analogue turn
It changes circuit 104 with telecommunication circuit 105 to be connected, power circuit 106 provides the energy for above-mentioned electronic section.
In the present embodiment, as shown in Figure 1, the test method that a kind of arc photosensor testing light source occurs, CPU101 are logical
The setting command information that telecommunication circuit 105 receives external transmission is crossed, CPU101 sends instruction according to the requirement of command content and adjusts
The irradiating angle of light source 5 and the luminous intensity of light source 5, test process include the following steps：
Step 1：Arc photosensor adapter 4 is fixed on front panel 2, and makes the light etc. of arc photosensor adapter 4
Effect receiving point is overlapped with intersection point A, and adjusting Angle Modulation Motor 7 makes the light source 5 of 6 end of cantilever be in a certain irradiating angle；
Step 2：Optical axis along arc photosensor adapter 4 rotates arc photosensor adapter according to the angle interval of setting
4, to complete under this irradiating angle arc photosensor adapter 4 in the response of each section of cambered surface；
Step 3：Light source 5 is adjusted to next irradiating angle, step 2 is repeated, until light source is to arc photosensor adapter 4
Irradiating angle is up to 90 degree.
In the present embodiment, as shown in Figure 1, cantilever 6 has several, light source 5 has several, the rotary shaft of Angle Modulation Motor 7
If meeting at intersection point A with the light-emitting axis of several light sources 5, if the central shaft of arc photosensor adapter 4 and several light sources 5 shine
In axis is generally aligned in the same plane.
Embodiment 2：
The present embodiment 2 and the main distinction of embodiment 1 are as follows：
In the present embodiment, as shown in figure 3, as a kind of test method of arc photosensor testing light source generation of invention
A kind of preferred embodiment, light source 5 include two kinds of light sources of visible light and ultraviolet light, and there are two cantilevers 6, two orthogonal thereto distributions of cantilever
And crosspoint is located on the axis of Angle Modulation Motor 7, the optical axis of two light sources it is orthogonal and with the axle position of arc photosensor adapter 4 in same
In one plane, which can meet the test request of two kinds of light sources simultaneously, each light source can be within the scope of 0~90 degree
It adjusts.
In the present embodiment as shown in figure 3, when specific works, select two kinds of light sources as testing light source, main control unit 10
CPU101 the setting command information of external transmission is received by telecommunication circuit 105, and refer to according to the requirement of command content transmission
The luminous intensity of the irradiating angle and light source that adjust light source, test process is enabled to include the following steps：
Step 1：Sensor to be measured is fixed on front panel 2, and makes the light equivalent received point and intersection point A weights of sensor
It closes, adjusting Angle Modulation Motor 7 makes light source be in a certain irradiating angle；
Step 2：Along sensor optical axis according to the angle interval rotation sensor of setting, to complete to sense under this irradiating angle
Response of the device in each section of cambered surface；
Step 3：Light source is adjusted to next irradiating angle, step 2 is repeated, until light source is to the irradiating angle of sensor to be measured
Up to 90 degree.
In conclusion in the present embodiment, according to the arc photosensor testing light source generating means of the present embodiment and its survey
Method for testing, arc photosensor testing light source generating means provided in this embodiment and its test method, are fed back using analog closed-loop
Mode control the luminous intensity of light source, the stability of light source luminescent is improved, when eliminating light source luminescent intensity with work
Between the drawbacks of gradually decaying, while light source rotation is driven using motor, the position of light source is detected using angular transducer, is improved
Light source avoids the big disadvantage of manual rotation angular error to the precision of sensor irradiating angle to be measured, and the present invention is waited in installation
There are the installation threaded holes that certain amount is circumferentially distributed for the front panel of survey sensor, for rotation sensor to test different angles
The side of degree improves the comprehensive of test, eliminates sensor to be measured and the weakness for being only capable of testing certain one side is fixedly mounted, and
And multiple cantilevers can be installed in the shaft of regulation motor, multiple light sources can be installed on multiple cantilevers, can be expired simultaneously
The test request of sufficient various light sources.
The above, further embodiment only of the present invention, but scope of protection of the present invention is not limited thereto, and it is any
Within the scope of the present disclosure, according to the technique and scheme of the present invention and its design adds those familiar with the art
With equivalent substitution or change, protection scope of the present invention is belonged to.
Claims (10)
1. a kind of arc photosensor testing light source generating means, including fixed substrate (1), it is fixed on the fixed substrate (1) one
The front panel (2) of side and the closing shell (3) being fixed in the fixed substrate (1), it is characterised in that：The front panel
(2) side is fixed with arc photosensor adapter (4), and the lower section of the fixed substrate (1) is equipped with Angle Modulation Motor (7), described
The rotary shaft of Angle Modulation Motor (7) passes through the fixed substrate (1), the top of the fixed substrate (1) be equipped with main control unit (10),
Cantilever (6) and the angular transducer (8) below the cantilever (6), the cantilever (6) are fixed on the Angle Modulation Motor
(7) in shaft, light source (5) and steady light unit (9) are fixed on the cantilever (6), the steady light unit (9) includes light feedback
Circuit (91) and the control circuit for light source (92) being connected with the smooth feedback circuit (91), the main control unit (10) include
CPU (101) and the circuit for controlling motor (102) being connected respectively with the CPU (101), analog to digital conversion circuit (103), digital-to-analogue
Conversion circuit (104), telecommunication circuit (105) and power circuit (106), the control circuit for light source (92) respectively with the digital-to-analogue
Conversion circuit (104) is connected with the light source (5), and the circuit for controlling motor (102) is connected with the Angle Modulation Motor (7), institute
Analog to digital conversion circuit (103) is stated with the angular transducer (8) to be connected.
2. a kind of arc photosensor testing light source generating means according to claim 1, it is characterised in that：The angle modulation electricity
Machine (7) is that step angle is less than 1 ° and can reach the stepper motor of integer angle after multiplying again.
3. a kind of arc photosensor testing light source generating means according to claim 1, it is characterised in that：The angle modulation electricity
The angle of machine (7) rotation is controlled the CPU (101) in a manner of four phase eight beat, and the CPU (101) utilizes angle sensor
Device (8) carries out monitoring position to a certain angle.
4. a kind of arc photosensor testing light source generating means according to claim 1, it is characterised in that：The angle modulation electricity
The central shaft of the rotary shaft of machine (7), the light-emitting axis of the light source (5) and the arc photosensor adapter (4) meets at intersection point A,
The central shaft of the rotary shaft of the Angle Modulation Motor (7), the light-emitting axis and the arc photosensor adapter (4) of the light source (5)
In any two axis be in same plane.
5. a kind of arc photosensor testing light source generating means according to claim 4, it is characterised in that：The cantilever
(6) light source (5) is driven to be rotated in 0 °~180 ° around the intersection point A, the cantilever (6) there are several, the light source
(5) there are several, the light source (5) is wide range or monochromatic high-power LED of the wavelength in 200nm~700nm.
6. a kind of arc photosensor testing light source generating means according to claim 1, it is characterised in that：The steady light list
First (9) drive the light source (5) to shine using the voltage value that the D/A converting circuit (104) exports, the steady light unit (9)
The size of the power supply current value of the light source (5) is adjusted using the smooth feedback circuit (91).
7. a kind of arc photosensor testing light source generating means according to claim 1, it is characterised in that：The front panel
(2) it is equipped with the mounting hole for fixing the arc photosensor adapter (4), the periphery of the mounting hole is equipped at least three
The threaded hole being circumferentially distributed.
8. a kind of arc photosensor testing light source generating means according to claim 1, it is characterised in that：The power supply electricity
Road (106) respectively with light source (5), the Angle Modulation Motor (7), the angular transducer (8), the smooth feedback circuit (91), institute
State control circuit for light source (92), the CPU (101), the circuit for controlling motor (102), analog-digital conversion circuit as described (103),
The D/A converting circuit (104) is connected with the telecommunication circuit (105).
9. the test method that a kind of arc photosensor testing light source occurs, it is characterised in that：The CPU (101) passes through described logical
Believe that circuit (105) receives the external setting command information sent, the CPU (101) sends instruction according to the requirement of command content
It adjusts the irradiating angle of the light source (5) and the luminous intensity of the light source (5), test process includes the following steps：
Step 1：Arc photosensor adapter (4) is fixed on front panel (2), and makes the light of arc photosensor adapter (4)
Equivalent received point is overlapped with intersection point A, and adjusting Angle Modulation Motor (7) makes the light source (5) of cantilever (6) end be in a certain irradiating angle；
Step 2：Optical axis along arc photosensor adapter (4) rotates arc photosensor adapter according to the angle interval of setting
(4), to complete under this irradiating angle arc photosensor adapter (4) in the response of each section of cambered surface；
Step 3：Light source (5) is adjusted to next irradiating angle, step 2 is repeated, until light source is to arc photosensor adapter (4)
Irradiating angle is up to 90 degree.
10. the test method that a kind of arc photosensor testing light source according to claim 9 occurs, it is characterised in that：Institute
Stating cantilever (6) has several, and the light source (5) has several, the Angle Modulation Motor (7) if rotary shaft and several described light
The light-emitting axis in source (5) meets at intersection point A, the arc photosensor adapter (4) if central shaft and several light sources (5) hair
In optical axis is generally aligned in the same plane.
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| CN105665891A (en) * | 2016-03-15 | 2016-06-15 | 中国航天科工集团第六研究院二一○所 | Device for automatically adjusting arc length of electric arc |
| CN205753649U (en) * | 2016-05-18 | 2016-11-30 | 南京大全自动化科技有限公司 | A kind of preassembled transformer station intelligent monitoring terminal of band arc protection |
| CN106019135A (en) * | 2016-07-01 | 2016-10-12 | 南京五石金传感技术有限公司 | Testing instrument for arc protection device |
| CN106969334A (en) * | 2017-05-15 | 2017-07-21 | 南京中凯光电科技股份有限公司 | A kind of rotary type light source tested suitable for arc protection |
| CN207098598U (en) * | 2017-08-04 | 2018-03-13 | 昆山帝森克罗德光电技术有限公司 | A kind of closed-loop control arc light protection system |
| CN208366464U (en) * | 2018-07-17 | 2019-01-11 | 南京五石金传感技术有限公司 | A kind of arc photosensor testing light source generating device |
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