CN207675862U - Electric conductor off position detection device - Google Patents
Electric conductor off position detection device Download PDFInfo
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- CN207675862U CN207675862U CN201721656510.XU CN201721656510U CN207675862U CN 207675862 U CN207675862 U CN 207675862U CN 201721656510 U CN201721656510 U CN 201721656510U CN 207675862 U CN207675862 U CN 207675862U
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- electric conductor
- electric field
- detection module
- electric
- field detection
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Abstract
The utility model is related to a kind of electric conductor disconnection detection devices.Including electric field detection module and movable table.Wherein, electric field detection module is for detecting and obtaining the field distribution data around electric conductor to be measured.Movable table drives electric conductor to be measured to do translational motion, rotary motion or oscilaltion campaign for placing electric conductor to be measured.The field distribution data around tested electric conductor can be detected and be obtained by the way that electric field detection module is arranged, and then the off position for being tested electric conductor is analyzed.The mobile drive electric conductor to be measured of movable platform can be utilized to do translational motion, rotary motion or oscilaltion campaign by the way that movable table is arranged, the detection convenient for electric field detection module to the field distribution around tested electric conductor.Realize that simple and fast judgement is tested the position of electric conductor open circuit so set, can be detected according to electric field detection module and obtain the field distribution data around tested electric conductor.
Description
Technical field
The utility model is related to detection technique fields, more particularly to a kind of electric conductor off position detection device.
Background technology
Electric conductor open circuit is a kind of common form of electric conductor failure, such as inductor open circuit.Check that electric conductor is disconnected at present
The mode on road has：Pulse, microscopic observation, X-ray examination method etc..Impulse method, which tests off position, is prolonged by pulse current
Electric wire transmits, and is reflected in trip point, the product of the feedback time and electromagnetic wave propagation speed of pulse current, it may be determined that
The position of trip point.But impulse method is commonly used to the trip point position of test long distance delivery circuit, is not suitable for short distance
Electric conductor trip point detection.Microscopic observation is to determine the position of open circuit by amplifying the gap of off position, when
Commonly used to analyze the situation of pcb board surface conductance body open circuit, and for disconnected inside LTCC (low-temperature co-fired ceramics) electronic component
The case where road, due to there is the solid matters such as ceramics or ferrite to block, it is difficult to be directly observed internal break with microscope.X is penetrated
Line defectoscope is to observe electrodes of electronic components open circuit conditions by X-ray transmission principle.But only electric conductor open circuit is apparent
When, X-ray is just easy to observe trip point.In breaking gap very little, x-ray flaw detector by resolution ratio due to being limited, very
Difficulty observes breaking gap.
Utility model content
Based on this, the utility model provides a kind of detection device that can conveniently, accurately detect electric conductor off position.
In addition, also providing a kind of detection method of electric conductor off position.
A kind of electric conductor off position detection device, including：
Electric field detection module, the electric field detection module is for detecting and obtaining the field distribution number around electric conductor to be measured
According to；
Movable table, the movable table drive the electric conductor to be measured for placing the electric conductor to be measured
Do translational motion, rotary motion or oscilaltion campaign.
The electric field detection module includes probe unit and detection data generation unit in one of the embodiments,；
The probe unit to the distribution situation in electric field strength and/or direction for making movement response；
The detection data generation unit is used to the movement response of the probe unit being converted to digital signal, and to turning
Digital signal after change is stored and processed.
The probe unit includes the probe that one end is provided with electrical body in one of the embodiments,.
The electrical body is electrification sphere in one of the embodiments,.
The electrification sphere is charged metal ball or graphite nodule in one of the embodiments,.
The electrification external surface is enclosed with insulating layer in one of the embodiments,.
The probe outer surface is enclosed with insulating materials in one of the embodiments,.
The detection data generation unit includes that the elasticity being fixedly connected with the probe connects in one of the embodiments,
Bar, the light reflecting surface being fixedly connected with the elastic link and optical detector；
The optical detector includes optical transmitting set and optical receiver；
The optical receiver is used to receive to be sent out by optical transmitting set, then the light after the light reflecting surface reflects
Spot, and the digital signal for generating ray displacement is compared with initial facula position.
Further include test power supply in one of the embodiments, the test power supply is used for the both ends of the electric conductor
Between voltage is provided, and/or provide power supply for electric field detection module.
In one of the embodiments, described device further include for install the pedestal of the movable table, with it is described
Pedestal is vertical and the holder and right angle setting that are fixedly connected are used for the crossbeam of stationary electric field detection module on the bracket.
Above-mentioned electric conductor disconnection detection device by the way that electric field detection module and movable table is arranged, and passes through activity work
Make platform control both ends and apply alive electric conductor and electric field detection module certain distance is kept to do translation and/or rotary motion.Root
It is detected according to electric field detection module and obtains the field distribution data around tested electric conductor and realize that simple and fast judgement is tested and led
The position of electric body open circuit.
Description of the drawings
Fig. 1 is the apparatus structure schematic diagram for the detection electric conductor open circuit that an embodiment provides；
Fig. 2 is the detection method flow chart for the detection electric conductor open circuit that an embodiment provides.
Reference sign：100. electric field detection module；110. probe；120. elastic link；130. light reflection surface；140.
Photodetector；200. movable table；300. electric conductors to be measured.
Specific implementation mode
In order to make the purpose of the utility model, technical solutions and advantages more clearly understood, below in conjunction with attached drawing and implementation
Example, the present invention will be further described in detail.It should be appreciated that specific embodiment described herein is only used to explain
The utility model is not used to limit the utility model.
As shown in Figure 1, a kind of electric conductor off position detection device, including electric field detection module 100 and movable table
200.Wherein, electric field detection module 100 is for detecting and obtaining the field distribution data around electric conductor to be measured.Movable table
200 for placing electric conductor 300 to be measured, and electric conductor to be measured is driven to do translational motion, rotary motion or oscilaltion campaign.
The field distribution data around tested electric conductor can be detected and obtain by the way that electric field detection module 100 is arranged, into
And the off position for being tested electric conductor is analyzed.The shifting of movable platform 200 can be utilized by the way that movable table 200 is arranged
It is dynamic that electric conductor to be measured is driven to do translational motion, rotary motion or oscilaltion campaign, it is led to tested convenient for electric field detection module 100
The detection of field distribution around electric body.In addition, electric field detection module 100 is generally more accurate measuring instrument, vibration or shifting
The dynamic precision for being likely to influence to measure, so can be avoided using the movement production of electric field detection module 100 using movable platform 200
Raw detection error keeps measurement result more accurate.
Electric field detection module 100 includes probe unit and detection data generation unit in one of the embodiments,.Its
In, probe unit to the distribution situation in electric field strength and/or direction for making movement response.Detection data generation unit is used for
The movement response of probe unit is converted to digital signal, and the digital signal after conversion is stored and processed.By setting
Intensity and the direction of electric field induction unit induction field are set, and induction is shown as action (size of power, the deformation of material) to make
Data generating unit can obtain range of information by the action of variation, and then information is stored and processed, is convenient for
Subsequent analysis.
In one of the embodiments, as shown in Figure 1, probe unit, which includes one end, is provided with the probe 110 of electrical body.
Electrical body is arranged in one end of probe 110, can increase arm of force when electrical body is placed in the electric field by electric field force, make electrical body by
It so that probe 110 is made larger action to smaller electric field force, or transmit the torque of bigger, to improve to electric field induction
Sensitivity.
In one of the embodiments, as shown in Figure 1, electrical body is electrification sphere.Sphere electrostatic charge is distributed in outer surface,
And there is certain charge concentration effect, more electrostatic charge can be carried so that the effect that electric globule is subject in the electric field
Power becomes larger, and can make electrification sphere that probe 110 can also be made to make larger action in smaller electric field, and then transmit bigger
Torque, to improve sensitivity to electric field induction.
Electrification sphere is charged metal ball or graphite nodule in one of the embodiments,.Metal and graphite are that the good of electricity is led
Body can be easier to charge.Certainly, this programme is not intended to limit makes bead only with metal or graphite material, may be used and appoints
The material that meaning can be charged, such as glass.
Electrical body is surrounded by insulating layer in one of the embodiments,.So set, can prevent on electrical body
It in positive charge in electrostatic charge and ambient enviroment and/or spreads, ensures that the quantity of electric charge on electrical body is not reduced, ensure testing result
Precision.
Detection data generation unit 100 includes the elastic link being fixedly connected with probe 110 in one of the embodiments,
120, the light reflecting surface 130 and optical detector 140 being fixedly connected with elastic link 120.Optical detector 140 includes light emitting
Device and optical receiver.Wherein, optical receiver is for receiving what optical transmitting set was sent out, the light after the reflection of light reflecting surface 130
Line, and the digital signal output for generating ray displacement is compared with original ray position.
The electrical body (electrification sphere) of 110 front end of probe is acted on by electric field force in the electric field, is formed by probe 110
The arm of force torque of electrical body stress is passed to the elastic link 120 being fixedly connected with probe, make elastic link 120 generate shape
Become, elastic link 120, which generates deformation, will drive the light reflecting surface 130 of connection fixed thereto to generate deflection (one deflection of formation
Angle) so that the laser that optical transmitting set is sent out in optical detector 140 is not after the reflection of light reflecting surface 130 and when generating deflection
Former reflected light between there are deviation, optical receiver receives the light after deflection and records the big decimal of yaw displacement amount at this time
According to output carries out analyzing processing, storage and output to data processing unit.Electrical body is formed by a series of detection data to exist
The data distribution of stress size and/or direction in tested electric field (can form data profile, such as the change curve of stress size
Figure etc.), off position (electric field strength that open circuit goes out and other ground of tested electric conductor can be intuitively found out from data distribution
Side is significantly different, can intuitively find out).
Electric conductor disconnection detection device further includes test power supply in this programme in one of the embodiments,.Test power supply
Power supply is provided for providing voltage between the both ends to electric conductor, and/or for electric field detection module 200.Power supply is tested in conduction
It can make to generate electric field around electric conductor 300 and at open circuit after voltage is provided between the both ends of body, and electric field is in electric conductor 300
Different (uneven) with the electric field strength and/or direction generated at non-open circuit at open circuit, this just gives is powered by detecting electric conductor
Its surrounding electric field distribution situation is detected afterwards judges that the method for electric conductor off position provides the basis of " change " and (only becomes and just more hold
It is also easy to produce difference, and then is detected).
The device of above-mentioned detection electric conductor open circuit by the way that electric field detection module and movable table is arranged, and passes through activity
It applies alive electric conductor and keeps certain distance to do translation and/or rotary motion with electric field detection module in workbench control both ends.
Tested electric conductor can be made to perform relative motion with the probe unit in electric field detection module by the movement of movable table, to
Due to error caused by inertia force when avoiding moving probe unit.
According to the above, this programme additionally provides a kind of detection method of detection electric conductor off position, such as Fig. 2 institutes
Show, method includes step S110-S130：
S110：The both ends for surveying electric conductor 300 apply a voltage.Applying a voltage at the both ends of tested electric conductor 300 can
Make to form varying strength and/or the electric field in direction around tested electric conductor 300 between fracture.
S120：It is detected by electric field detection module 100 and obtains the electric field strength around tested electric conductor 300 and/or side
To distributed data.Probe unit and detection data generation unit are provided in electric field detection module 100.Wherein, probe unit
Movement response is made for the distribution situation to electric field strength and/or direction.Probe unit in this programme includes one end setting
There is the probe 110 of electrical body.Electrical body is set in one end of probe 110, electrical body can be increased and placed in the electric field by electric field
Arm of force when power makes electrical body that probe 110 can also be made to make larger action by smaller electric field force, or transmits the power of bigger
Square, to improve the sensitivity to electric field induction, convenient for detecting the electric field strength and/or direction that are tested around electric conductor 300
Distributed data.And detection data generation unit is used to the movement response of probe unit being converted to digital signal, and to conversion after
Digital signal stored and processed.By the way that intensity and the direction of electric field induction unit induction field is arranged, and table will be incuded
It is now that the data generating unit that action (size of power, the deformation of material) enables obtains a series of letters by the action of variation
Breath, and then information is stored and processed, it is convenient for subsequent analysis.
S130：Judge institute according to the distributed data of electric field strength and/or direction around the tested electric conductor of acquisition
State the position of tested electric conductor open circuit.Stress size of the electrical body in tested electric field is formed by a series of detection data
And/or the data distribution (data profile, such as the change curve of stress size can be formed) in direction, it can from data distribution
With intuitively find out tested electric conductor off position (open circuit go out electric field strength with it is significantly different elsewhere, can be intuitive
Find out).
In one of the embodiments, the detection method of detection electric conductor off position further include detect and obtain it is described
During the distributed data of the electric field strength and/or direction that are tested around electric conductor, controls and be tested electric conductor 300 and electric field inspection
It surveys module 100 and is kept fixed distance.It refers to being tested electric conductor 300 and electric field detection module 100 each other to be wherein kept fixed distance
Close to but the distance that is kept fixed, i.e., it is close possible closer to each other, but do not contact.Tested electric conductor 300 and electric field are detected into mould
Block 100 can make electrical body by the greatest extent may be used each other close to being in order to ensure that the electric field strength of tested electric field region is big as far as possible
The big power of energy, and then measurement result is made to become apparent from.And since the variable output of the detection method of this programme use is according to probe
The torque that 110 stress generate drives the elastic link deformation of connection fixed thereto to generate, therefore makes tested electric conductor 300 and electric field
The distance that detection module 100 is kept fixed each other, i.e., do not contact, and is to touch to influence the accurate of testing result in order to avoid the two
Property.
In addition, the detection method of detection electric conductor off position further includes, is detecting and obtaining the tested electric conductor week
During the distributed data of the electric field strength and/or direction enclosed, according to the type and shape of tested electric conductor, control is tested to be led
Electric body makees translation and/or rotary motion.Since the type and shape that are tested electric conductor may be different, for example, inductor just has column
The shapes such as shape and ring-shaped.And the electric field after being powered around electric conductor be along electric conductor, so in detection process, for
The shape of different electric conductors needs to control tested electric conductor work translation and/or rotary motion.Certainly, this programme can also use
The mode for not moving the position of electric conductor and moving electric field detection module 100 measures, but due to the inspection of this programme use
The variable output of survey method is that the torque generated according to 110 stress of probe drives the elastic link deformation of connection fixed thereto to generate
, probe 110, since inertia force will produce certain moment of inertia, and influences the accuracy of experimental result in passive mobile.
So this programme optimum selecting is detected by the way of driving tested electric conductor 300 to move using mobile movable table, have
There is the advantages of high certainty of measurement.It should be noted that moving the side of electric field detection module 100 using the position for not moving electric conductor
The testing principle that formula measures is identical with this programme, thus also should be within the protection domain of this programme.
The method of above-mentioned detection electric conductor off position by the way that electric field detection module and movable table is arranged, and passes through
It applies alive electric conductor and keeps certain distance to do translation and/or rotation fortune with electric field detection module in movable table control both ends
It is dynamic.It is detected according to electric field detection module and obtains the field distribution data around tested electric conductor and realize simple and fast judgement quilt
Survey the position of electric conductor open circuit.
Each technical characteristic of above example can be combined arbitrarily, to keep description succinct, not to above-described embodiment
In each technical characteristic it is all possible combination be all described, as long as however, the combination of these technical characteristics be not present lance
Shield is all considered to be the range of this specification record.
Above example only expresses the several embodiments of the utility model, the description thereof is more specific and detailed, but simultaneously
Cannot the limitation to utility model patent range therefore be interpreted as.It should be pointed out that for the ordinary skill people of this field
For member, without departing from the concept of the premise utility, various modifications and improvements can be made, these belong to this reality
With novel protection domain.Therefore, the protection domain of the utility model patent should be determined by the appended claims.
Claims (10)
1. a kind of electric conductor off position detection device, which is characterized in that including：
Electric field detection module, the electric field detection module is for detecting and obtaining the field distribution data around electric conductor to be measured；
Movable table, the movable table is for placing the electric conductor to be measured, and it is flat to drive the electric conductor to be measured to do
Shifting movement, rotary motion or oscilaltion campaign.
2. the apparatus according to claim 1, it is characterised in that：The electric field detection module includes probe unit and detection number
According to generation unit；
The probe unit to the distribution situation in electric field strength and/or direction for making movement response；
The detection data generation unit is used to the movement response of the probe unit being converted to digital signal, and to conversion after
Digital signal stored and processed.
3. the apparatus of claim 2, it is characterised in that：The probe unit includes the spy that one end is provided with electrical body
Needle.
4. device according to claim 3, it is characterised in that：The electrical body is electrification sphere.
5. device according to claim 4, it is characterised in that：The electrification sphere is charged metal ball or graphite nodule.
6. according to the device described in claim 3-5 any one, it is characterised in that：The electrification external surface is enclosed with insulation
Layer.
7. device according to claim 3, it is characterised in that：The detection data generation unit includes solid with the probe
Surely the elastic link that connects, the light reflecting surface being fixedly connected with the elastic link and optical detector；
The optical detector includes optical transmitting set and optical receiver；
The optical receiver is used to receive to be sent out by optical transmitting set, then the hot spot after the light reflecting surface reflects,
And the digital signal for generating ray displacement is compared with initial facula position.
8. device according to claim 3, it is characterised in that：The probe outer surface is enclosed with insulating materials.
9. the apparatus according to claim 1, it is characterised in that：
Further include test power supply, the test power supply is used for providing voltage between the both ends of the electric conductor, and/or is electric field
Detection module provides power supply.
10. the apparatus according to claim 1, it is characterised in that：Further include for install the pedestal of the movable table,
Holder and right angle setting vertical with the pedestal and be fixedly connected are used for the cross of stationary electric field detection module on the bracket
Beam.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721656510.XU CN207675862U (en) | 2017-12-01 | 2017-12-01 | Electric conductor off position detection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721656510.XU CN207675862U (en) | 2017-12-01 | 2017-12-01 | Electric conductor off position detection device |
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| Publication Number | Publication Date |
|---|---|
| CN207675862U true CN207675862U (en) | 2018-07-31 |
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ID=62967501
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| CN201721656510.XU Expired - Fee Related CN207675862U (en) | 2017-12-01 | 2017-12-01 | Electric conductor off position detection device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107817416A (en) * | 2017-12-01 | 2018-03-20 | 深圳振华富电子有限公司 | Electric conductor off position detection means and detection method |
-
2017
- 2017-12-01 CN CN201721656510.XU patent/CN207675862U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107817416A (en) * | 2017-12-01 | 2018-03-20 | 深圳振华富电子有限公司 | Electric conductor off position detection means and detection method |
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