CN206193086U - A sensor for detecting direct current control protection host computer integrated circuit board fault current - Google Patents
A sensor for detecting direct current control protection host computer integrated circuit board fault current Download PDFInfo
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- CN206193086U CN206193086U CN201621262116.3U CN201621262116U CN206193086U CN 206193086 U CN206193086 U CN 206193086U CN 201621262116 U CN201621262116 U CN 201621262116U CN 206193086 U CN206193086 U CN 206193086U
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Abstract
The utility model relates to a sensor for detecting direct current control protection host computer integrated circuit board fault current, the sensor includes connecting piece and three sensor, wherein, the sensor respectively with connecting piece swing joint, two liang three sensors are perpendicular, and sensor place plane constitutes a rectangular coordinate system all not on the coplanar, realize never equidirectional measuring fault current signal, the pinpointing of the analysis processes realization fault point of each weight of passing signal, the sensor includes sensor skeleton and wire winding, and the wire winding is evenly twined on the surface of sensor skeleton, and the n layer is twined to the mode that the use winding that just winds wraps around, and n is the odd number to effectively reduce the magnetic field interference of perpendicular to sensor axis direction, improve accuracy. The utility model provides a sensor is small, light in weight, detection accuracy high, the installation is simple and convenient, and the range of application very extensively moreover.
Description
Technical field
The utility model is related to DC control protected host board faults detection technique field, more particularly to a kind of for examining
Survey the sensor of DC control protected host board faults electric current.
Background technology
DC control and protection system is the core controller of whole DC engineering, and control protected host board faults are possible to
Cause direct current locking, this can bring greater risk to the safe and stable operation of power network.Current DC control is protected board, is measured back
Road board and remote end module lack quick comprehensively detection means after a failure, are unfavorable for accident analysis, while all kinds of above
The standby redundancy of type hardware also lacks effective periodic detection means, it is impossible to confirm whether the performance of standby redundancy meets direct current system
The live service requirement of system, hidden danger is brought to straight-flow system safe operation.
DC control protected host board faults there may be many reasons, wherein mostly along with fault-current signal
Occur, therefore detection to fault-current signal and position extremely important.Detect that DC control protects master by sensor at present
Machine board faults electric current, big multisensor is sensor or hollow sensor containing iron core, and sensor collection current signal leads to
After crossing Treatment Analysis, judge whether DC control protected host board breaks down.
But, the sensor bulk containing iron core is larger, heavier-weight, installs inconvenient；Hollow sensor is annular, and this makes
Number of turns density it is smaller, accuracy of detection is relatively low.Also, the sensor of DC control protected host board faults is detected at present
Lack the function of fault current detection positioning, cannot be positioned in time when causing board to break down, reduce the stabilization of its operation
Property and reliability.
Utility model content
To overcome problem present in correlation technique, the utility model provides a kind of for detecting DC control protected host
The sensor of board faults electric current.
In order to solve the above-mentioned technical problem, the utility model provides following technical scheme：
The sensor for detecting DC control protected host board faults electric current that the utility model is provided includes connection
Part and three sensors, wherein：
The sensor is flexibly connected with the connector respectively, and three sensors are vertical two-by-two, and the sensing
Plane where device is not at grade；
The sensor includes sensor framework and coiling, appearance of the coiling uniform winding in the sensor framework
On face, and the winding number of plies of the coiling is n, and n is odd number.
Preferably, in the above-mentioned sensor for detecting DC control protected host board faults electric current, the sensor
Signal output terminal is respectively provided with side upper, near described connector one end, the signal output terminal includes positive ends
Son and negative terminal, the positive terminal are arranged on the top of the negative terminal, and three negative terminals
Link together, form reference terminal.
Preferably, in the above-mentioned sensor for detecting DC control protected host board faults electric current, the coiling from
The bottom of the sensor framework is wound to the top of the sensor framework, and one end of the coiling connects the negative polarity
Terminal, the other end of the coiling connects the positive terminal by connecting line.
Preferably, in the above-mentioned sensor for detecting DC control protected host board faults electric current, the coiling
A diameter of 0.04mm.
Preferably, in the above-mentioned sensor for detecting DC control protected host board faults electric current, the sensor
Skeleton is shaped as cylinder.
Preferably, in the above-mentioned sensor for detecting DC control protected host board faults electric current, the connector
Be shaped as square, through hole is respectively provided with the center side position of the connector, the through hole extends through the connection
The top to bottom, left and right, front and rear side of part.
Preferably, in the above-mentioned sensor for detecting DC control protected host board faults electric current, three biographies
Sensor is flexibly connected by the through hole with the connector.
Preferably, in the above-mentioned sensor for detecting DC control protected host board faults electric current, the connector
Bottom be respectively provided with four solder joints, three positive terminals and reference terminal of the sensor connect with the solder joint respectively
Connect.
The technical scheme that the utility model is provided can include the following benefits：
The sensor for detecting DC control protected host board faults electric current that the utility model is provided includes connection
Part and three sensors, wherein, sensor is flexibly connected with connector respectively, and three sensors are vertical two-by-two, and sensor institute
In plane not at grade；Sensor includes sensor framework and coiling, and coiling uniform winding is in sensor framework
Outer surface, and the winding number of plies of coiling is n, n is odd number.The novel sensor that the utility model is provided is used to protect DC control
Fault current when shield main frame board breaks down carries out real-time monitoring, and three sensors are mutually perpendicular to, and flat where sensor
Face at grade, does not constitute a rectangular coordinate system, and each sensor is respectively used to sense the fault current of correspondence direction
Signal, so as to be detected to fault-current signal in this direction, after the signal to three sensors is analyzed treatment,
The fault-current signal component in three directions of x, y, z can be respectively obtained, so as to realize being accurately positioned for failure according to each component；
And sensor winds by the way of coiling is unrolled, the magnetic interference perpendicular to sensor axis direction can be effectively reduced, carried
The high measurement degree of accuracy.
It should be appreciated that the general description of the above and detailed description hereinafter are only exemplary and explanatory, not
The utility model can be limited.
Brief description of the drawings
Accompanying drawing herein is merged in specification and constitutes the part of this specification, shows and meets of the present utility model
Embodiment, and be used to explain principle of the present utility model together with specification.
In order to illustrate more clearly of the utility model embodiment or technical scheme of the prior art, below will be to embodiment
Or the accompanying drawing to be used needed for description of the prior art is briefly described, it should be apparent that, for ordinary skill people
For member, without having to pay creative labor, other accompanying drawings can also be obtained according to these accompanying drawings.
Fig. 1 for the utility model embodiment provide it is a kind of for detecting DC control protected host board faults electric current
The structural representation of sensor；
Fig. 2 for the utility model embodiment provide it is a kind of for detecting DC control protected host board faults electric current
The structural representation of sensor in sensor；
Fig. 3 for the utility model embodiment provide it is a kind of for detecting DC control protected host board faults electric current
Coiling distribution schematic diagram in sensor；
Fig. 4 for the utility model embodiment provide it is a kind of for detecting DC control protected host board faults electric current
The structural representation of connector in sensor；
The specific symbols of Fig. 1-Fig. 4 are represented：
1- sensor frameworks, 2- coilings, 3- connectors, 4- signal output terminals, 41- positive terminals, 42- negative polarity end
Son, 5- sensors, 6- through holes, 7- solder joints, 8- connecting lines.
Specific embodiment
Here exemplary embodiment will be illustrated in detail, its example is illustrated in the accompanying drawings.Following description is related to
During accompanying drawing, unless otherwise indicated, the same numbers in different accompanying drawings represent same or analogous key element.Following exemplary embodiment
Described in implementation method do not represent all implementation methods consistent with the utility model.Conversely, they be only with such as
The example of the consistent apparatus and method of some aspects being described in detail in appended claims, of the present utility model.
Referring to Fig. 1, the figure shows the offer of the utility model embodiment for detecting DC control protected host board
The basic structure of the sensor of fault current.
The sensor bag for detecting DC control protected host board faults electric current that the utility model embodiment is provided
Connector 3 and three sensors 5 are included, wherein：
Sensor 5 is flexibly connected with connector 3 respectively, and three sensors 5 are vertical two-by-two, and flat where each sensor 5
Face is not at grade.I.e. three sensors 5 constitute an x, y, z rectangular coordinate system, and each sensor 5 is sat positioned at right angle
Mark in a reference axis of system, each sensor 5 is used to sense the fault-current signal of DC control protected host board, three
Sensor 5 is respectively induced the fault-current signal of correspondence direction, so as to be detected to fault-current signal in this direction, leads to
The analyzing and processing for crossing each component of fault-current signal realizes being accurately positioned for trouble point.
As shown in Fig. 2 the figure shows the basic structure of sensor 5.Sensor 5 includes sensor framework 1 and coiling 2,
The uniform winding of coiling 2 is on the outer surface of sensor framework；Signal output part 4 is additionally provided with the outer surface of sensor 5, is used for
Connection output line, signal output terminal 4 sets the bottom of sensor framework 1, that is, is positioned close to one end of connector 3,
Facilitate three connections of sensor 5, signal output terminal 4 is used for the output of the signal of sensor 5.
Further, signal output terminal 4 includes positive terminal 41 and negative terminal 42, and positive terminal 41 is set
In the top of negative terminal 42.Coiling 2 is wound to the top of sensor framework 1, and coiling 2 from the bottom of sensor framework 1
One end connection negative terminal 42, the other end of coiling 2 connects positive terminal 41 by connecting line 8, and being arranged such can be with
The cross-sectional area of the coil of the winding of coiling 2 is substantially reduced, the magnetic interference perpendicular to sensor axis direction is significantly reduced,
Drastically increase certainty of measurement.Preferably, for ensure coiling 2 two ends respectively positioned at sensor framework 1 two ends, 1 around
Line 2 winds n-layer, and n is odd number.
Further, it is wrapped on sensor framework 1 for convenience of coiling 2, sensor framework 1 is shaped as cylinder, around
The coiling of line 2 gets up relatively simple, also easily realizes being uniformly distributed for coiling, and normal so as to form uniform, symmetrical coiling distribution
Annular skeleton can effectively reduce external interference compared to having larger advantage.The length of each sensor framework 1 is
15mm, wherein the length of winding winding portion is 10mm, the top of sensor framework 1 has that 1mm's is vacant, and the sky of 4mm is arranged at bottom
It is remaining, facilitate sensor 5 to be arranged on connector 3.Preferably, the material of sensor framework 1 is epoxide resin material, epoxy resin
With good insulating properties, sensor framework 1 can be avoided from producing interference to magnetic field.
Further, coiling 2 is wound to the top of sensor framework 1 from the bottom of sensor framework 1, after the circle of winding one,
The bottom of sensor framework 1 is wound to from the top of sensor framework 1 again, after being wound to the bottom of sensor framework 1, is further continued for
The top of sensor framework 1 is wound to, is moved in circles, as shown in Figure 3.Sensor 5 can effectively drop by the way of coiling is unrolled
The low magnetic interference perpendicular to sensor axis direction, improves accuracy of measurement.
Further, n-layer coiling 2 is wound on the outer surface of each sensor framework 1, every layer of number of turn of coiling 2 is 200
Circle.Preferably, coiling 2 is made using enamel-covered wire, and enamel-covered wire a diameter of 0.04mm.
For convenience of the signals of analysis three sensors 5 output, by scolding tin and wire by three negative polarity ends of sensor 5
Son 42 links together, as the reference terminal that whole sensor signal is exported, reference terminal can with connecting wire so that its
Output signal is connected with external circuitry.Three positive terminals of sensor 5 41 are contrasted with reference terminal respectively, and output is each
The failure voltage signal in individual direction, after being analyzed treatment to the voltage signal of three sensors 5 output, can respectively obtain x,
The fault-current signal component in tri- directions of y, z, and being accurately positioned for failure is carried out according to each component.
As shown in figure 4, the figure shows the offer of the utility model embodiment for detecting DC control protected host plate
The basic structure of connector 3 in the sensor of card failure electric current.
Connector 3 is shaped as square shape, six centers in face of up, down, left, right, before and after of connector 3
There is through hole 6, and through hole 6 extends through the top to bottom, left and right, front and rear side of connector 3.During installation, three sensors 5 respectively from
Inserted in three through holes 6, three negative terminals of sensor 5 42 are linked together by scolding tin and wire, as public
Reference terminal, be respectively induced the fault-current signal of different directions.Three sensors 5 of connector 3 pair play fixed effect,
Ensure that three sensors 5 are vertical two-by-two, it is ensured that fault current is accurately positioned.Preferably, the material of connector 3 is mica material
Material.
One solder joint 7 is respectively set on four sides of the downside of connector 3, four solder joints 7 respectively with the positive polarity of sensor 5
Terminal 41 and reference terminal are connected, and constitute one containing four " components " of lead-out terminal, and the component can be welded directly
On circuit boards, the output of signal is externally carried out.The utility model embodiment provide for detecting DC control protected host
The sensor of board faults electric current is externally attached and fixed by four solder joints 7, can be directly welded at DC control guarantor
As a part for circuit on shield main frame board, it is also possible to be placed near detection object and detected, installation operation is very square
Just.
Fault current detection sensor generally existing volume is big, the degree of accuracy is low in current DC control protected host board,
The problems such as installing is not easy to, relative to the sensor of existing detection fault current, what the utility model embodiment was provided is used for
The sensor of DC control protected host board faults electric current is easy for installation, small volume, can both be fixed on DC control protection
Detected near main frame board, it is also possible to be directly welded on DC control protected host board, when the sensor is detected not
The normal operation of DC control protected host board can be disturbed, the operation shape of DC control protected host board can be effectively monitored
State, improves its operation stability and reliability.
The sensor for DC control protected host board faults electric current that the utility model embodiment is provided includes connecting
Fitting 3 and three sensors 5, wherein, sensor 5 is flexibly connected with connector 3 respectively, and three sensors 5 are vertical two-by-two, and often
Not at grade, three sensors 5 are vertical two-by-two, constitute a rectangular coordinate system for the place plane of individual sensor 5, each
Sensor 5 is respectively used to sense the fault-current signal of correspondence direction, so as to be examined to fault-current signal in this direction
Survey；Sensor 5 includes sensor framework 1 and coiling 2, and the uniform winding of coiling 2 is on the outer surface of sensor framework 1, and coiling 2
The winding number of plies be n, n is odd number, and the coiling 2 on sensor framework 1 winds using unrolling by the way of, can effectively reduce vertically
In the magnetic interference in sensor axis direction, accuracy of measurement is improved；For convenience of the sensor that fixed the utility model is provided, three
The positive terminal and reference terminal of individual sensor 5 are separately fixed on solder joint 7.The utility model embodiment provide for straight
The sensor of flow control protected host board faults electric current realizes fault-current signal using three orthogonal sensors
Detection and the positioning of fault current, being accurately positioned for trouble point, and the sensor are realized by the analyzing and processing of each component of signal
Small volume, lightweight, accuracy in detection is high, can be applied not only to the fault current detection of DC control protected host board,
Can be also used for other occasions for needing to detect fault current.
Those skilled in the art will readily occur to this practicality after considering specification and putting into practice the disclosure of utility model here
Other new embodiments.The application is intended to any modification of the present utility model, purposes or adaptations, these
Modification, purposes or adaptations follow general principle of the present utility model and including undocumented skill of the utility model
Common knowledge or conventional techniques in art field.Description and embodiments be considered only as it is exemplary, it is of the present utility model
True scope and spirit are pointed out by following claim.
It should be appreciated that the utility model is not limited to the accurate knot for being described above and being shown in the drawings
Structure, and can without departing from the scope carry out various modifications and changes.Scope of the present utility model only will by appended right
Ask to limit.
Claims (8)
1. a kind of sensor for detecting DC control protected host board faults electric current, it is characterised in that including connector
(3) and three sensors (5), wherein：
The sensor (5) is flexibly connected with the connector (3) respectively, and three sensors (5) are vertical two-by-two and described
Plane where sensor (5) is not at grade；
The sensor (5) includes sensor framework (1) and coiling (2), and coiling (2) uniform winding is in the sensor bone
On the outer surface of frame (1), and the winding number of plies of the coiling (2) is n, and n is odd number.
2. the sensor for detecting DC control protected host board faults electric current according to claim 1, its feature
It is to be respectively provided with signal output terminal (4) on the sensor (5), on the side of the connector (3) one end, it is described
Signal output terminal (4) includes positive terminal (41) and negative terminal (42), and the positive terminal (41) is arranged on institute
The top of negative terminal (42) is stated, and three negative terminals (42) link together, and form reference terminal.
3. the sensor for detecting DC control protected host board faults electric current according to claim 2, its feature
It is that the coiling (2) is wound to the top of the sensor framework (1) from the bottom of the sensor framework (1), and described
One end of coiling (2) connects the negative terminal (42), and the other end of the coiling (2) connects described by connecting line (8)
Positive terminal (41).
4. the sensor for detecting DC control protected host board faults electric current according to claim 3, its feature
It is, a diameter of 0.04mm of the coiling (2).
5. the sensor for detecting DC control protected host board faults electric current according to claim 4, its feature
It is that the sensor framework (1) is shaped as cylinder.
6. the sensor for detecting DC control protected host board faults electric current according to claim 1, its feature
It is that the connector (3) is shaped as square, and through hole (6) is respectively provided with the center side position of the connector (3),
The through hole (6) extends through the top to bottom, left and right, front and rear side of the connector (3).
7. the sensor for detecting DC control protected host board faults electric current according to claim 6, its feature
It is that three sensors (5) are flexibly connected by the through hole (6) with the connector (3).
8. the sensor for detecting DC control protected host board faults electric current according to claim 1, its feature
It is that the bottom of the connector (3) is respectively provided with four solder joints (7), three positive terminals (41) of the sensor (5)
It is connected with the solder joint (7) respectively with reference terminal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621262116.3U CN206193086U (en) | 2016-11-21 | 2016-11-21 | A sensor for detecting direct current control protection host computer integrated circuit board fault current |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621262116.3U CN206193086U (en) | 2016-11-21 | 2016-11-21 | A sensor for detecting direct current control protection host computer integrated circuit board fault current |
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| Publication Number | Publication Date |
|---|---|
| CN206193086U true CN206193086U (en) | 2017-05-24 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201621262116.3U Active CN206193086U (en) | 2016-11-21 | 2016-11-21 | A sensor for detecting direct current control protection host computer integrated circuit board fault current |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106771475A (en) * | 2016-11-21 | 2017-05-31 | 云南电网有限责任公司电力科学研究院 | A kind of sensor for detecting DC control protected host board faults electric current |
-
2016
- 2016-11-21 CN CN201621262116.3U patent/CN206193086U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106771475A (en) * | 2016-11-21 | 2017-05-31 | 云南电网有限责任公司电力科学研究院 | A kind of sensor for detecting DC control protected host board faults electric current |
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