CN106771691A - Modified form electric arc arrangement for detecting - Google Patents
Modified form electric arc arrangement for detecting Download PDFInfo
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- CN106771691A CN106771691A CN201510807625.3A CN201510807625A CN106771691A CN 106771691 A CN106771691 A CN 106771691A CN 201510807625 A CN201510807625 A CN 201510807625A CN 106771691 A CN106771691 A CN 106771691A
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- G—PHYSICS
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- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
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Abstract
The present invention discloses a kind of modified form electric arc arrangement for detecting, comprising arc detection circuit, Current Mutual Inductance unit, electric current input lead and electric current output lead.Power supply device transmits input current to electronic installation by electric current input lead, and electronic installation outputs current to power supply device by the passback of electric current output lead so that Current Mutual Inductance unit senses and produces induced-current；Current Mutual Inductance unit transmits induced-current to arc detection circuit；Arc detection circuit utilizes induced-current to detect electric arc.
Description
Technical field
The invention relates to a kind of electric arc arrangement for detecting, particularly a kind of modified form electric arc arrangement for detecting.
Background technology
The operating principle of the electric arc detector of correlation technique is described as follows：When harness damage, for example, work as wire
Stung by toy and cause the line footpath of wire to become hour, flowing through the electric current of wire can produce a high-frequency signal；
Therefore, the electric arc detector of correlation technique is detecting plain conductor electric current and changes into spectrum analysis；If high frequency into
Part is excessive, then it represents that have electric arc；Now, the electric arc detector of correlation technique is to notify electronic installation,
Electronic installation is set to shut down.
However, power supply device and electronic installation have parasitic capacitance over the ground so that above-mentioned electric current is not
Preferable electric current, that is, there are some interference noises in above-mentioned electric current.These interference noises will influence electric arc to detect
The precision of survey.
The content of the invention
To improve the shortcoming of above-mentioned prior art, it is an object of the invention to provide a kind of detecting of modified form electric arc
Device.
To reach above-mentioned purpose of the invention, modified form electric arc arrangement for detecting of the invention is to be applied to a power supply
Feeding mechanism and an electronic installation, the modified form electric arc arrangement for detecting are included：One arc detection circuit, electrically
It is connected to the electronic installation；One Current Mutual Inductance unit, is electrically connected to the arc detection circuit；One electric current is defeated
Enter wire, through the Current Mutual Inductance unit, and be electrically connected to the power supply device and the electronic installation；
And an electric current output lead, through the Current Mutual Inductance unit, and it is electrically connected to the power supply device and should
Electronic installation.Wherein the power supply device transmits an input current to the electronics by the electric current input lead
Device, and the electronic installation outputs current to the power supply device by electric current output lead passback one,
So that the Current Mutual Inductance unit senses and produces an induced-current；Wherein the Current Mutual Inductance unit transmits the sensing
Electric current is to the arc detection circuit；The arc detection circuit utilizes the induced-current to detect electric arc.
Furthermore, in a specific embodiment, modified form electric arc arrangement for detecting as described above, the wherein electric current is mutual
Sense unit is included：One annular core；And a loop coil, the annular core is wound in, and be electrically connected to
The arc detection circuit.The input electricity for wherein being transmitted through the annular core by the electric current input lead
One input current direction of stream is a first direction；Passed through the annular core by the electric current output lead
One output current direction of the output current sent is the first direction.
Furthermore, in a specific embodiment, wherein modified form electric arc arrangement for detecting as described above, the first party
To for from left to right；The input current is passed by the electric current input lead through the annular core from left to right
Send；The output current is transmitted by the electric current output lead through the annular core from left to right.
Furthermore, in a specific embodiment, wherein modified form electric arc arrangement for detecting as described above, the first party
To for from right to left；The input current is passed by the electric current input lead through the annular core from right to left
Send；The output current is transmitted by the electric current output lead through the annular core from right to left.
Furthermore, in a specific embodiment, modified form electric arc arrangement for detecting as described above, the wherein electric current are mutual
Sense unit is included：One first annular iron core；One second annular core；One first annular coil, is wound in this
First annular iron core, and it is electrically connected to the arc detection circuit；And one second loop coil, it is wound in this
Second annular core, and it is electrically connected to arc detection circuit.Wherein the power supply device is by the electric current
Input lead transmits the input current to the electronic installation so that the first annular iron core and the first annular line
Circle senses and produces one first induced-current；The electronic installation returns output electricity by the electric current output lead
It flow to the power supply device so that second annular core and second loop coil sense and produce one
Two induced-currents.The input electricity for wherein being transmitted through the first annular iron core by the electric current input lead
One input current direction of stream is a first direction；Second annular core is passed through by the electric current output lead
One output current direction of the output current for being transmitted is the first direction.Wherein the first annular coil is passed
Give first induced-current to the arc detection circuit；Second loop coil transmits second induced-current extremely
The arc detection circuit；The arc detection circuit is detected using first induced-current and second induced-current
Electric arc.
Furthermore, in a specific embodiment, wherein modified form electric arc arrangement for detecting as described above, the first party
To for from left to right；The input current passes through the first annular iron core by the electric current input lead from left to right
Transmitted；The output current is passed by the electric current output lead through second annular core from left to right
Send.
Furthermore, in a specific embodiment, wherein modified form electric arc arrangement for detecting as described above, the first party
To for from right to left；The input current passes through the first annular iron core by the electric current input lead from right to left
Transmitted；The output current is passed by the electric current output lead through second annular core from right to left
Send.
Furthermore, in a specific embodiment, modified form electric arc arrangement for detecting as described above, the wherein electric current are mutual
Sense unit is included：One first annular iron core；One second annular core；One first annular coil, is wound in this
First annular iron core, and it is electrically connected to the arc detection circuit；And one second loop coil, it is wound in this
Second annular core, and it is electrically connected to arc detection circuit.Wherein the power supply device is by the electric current
Input lead transmits the input current to the electronic installation so that the first annular iron core and the first annular line
Circle senses and produces one first induced-current；The electronic installation returns output electricity by the electric current output lead
It flow to the power supply device so that second annular core and second loop coil sense and produce one
Two induced-currents.The input electricity for wherein being transmitted through the first annular iron core by the electric current input lead
One input current direction of stream is a first direction；Second annular core is passed through by the electric current output lead
One output current direction of the output current for being transmitted is a second direction；The first direction and the second party
To difference.Wherein the first annular coil transmits first induced-current to the arc detection circuit；This second
Loop coil transmits second induced-current to the arc detection circuit；The arc detection circuit reversely this second
Induced-current is obtaining a reverse induction electric current；The arc detection circuit is using first induced-current and this is anti-
Electric arc is detected to induced-current.
Furthermore, in a specific embodiment, modified form electric arc arrangement for detecting as described above, the wherein electric arc are detectd
Slowdown monitoring circuit includes the reverse unit of an electric current, electric to obtain the reverse induction to reverse second induced-current
Stream.
Furthermore, in a specific embodiment, wherein modified form electric arc arrangement for detecting as described above, the first party
To for from left to right, the second direction is for from right to left；The input current is input into by the electric current from left to right
Wire is transmitted through the first annular iron core；The output current is worn by the electric current output lead from right to left
Second annular core is crossed to be transmitted.
Furthermore, in a specific embodiment, wherein modified form electric arc arrangement for detecting as described above, the first party
To for from right to left, the second direction is for from left to right；The input current is input into by the electric current from right to left
Wire is transmitted through the first annular iron core；The output current is worn by the electric current output lead from left to right
Second annular core is crossed to be transmitted.
Effect of the invention is to provide a kind of modified form electric arc arrangement for detecting to improve the accurate of electric arc detecting
Degree.
Below in conjunction with the drawings and specific embodiments, the present invention will be described in detail, but not as to of the invention
Limit.
Brief description of the drawings
Fig. 1 is the first embodiment block diagram of modified form electric arc arrangement for detecting of the invention.
Fig. 2 is the second embodiment block diagram of modified form electric arc arrangement for detecting of the invention.
Fig. 3 is the 3rd embodiment block diagram of modified form electric arc arrangement for detecting of the invention.
Fig. 4 is the fourth embodiment block diagram of modified form electric arc arrangement for detecting of the invention.
Wherein, reference
10 modified form electric arc arrangement for detecting
20 power supply devices
30 electronic installations
40 parasitic capacitances
50 power networks
102 arc detection circuits
104 annular cores
106 loop coils
108 electric current input leads
110 electric current output leads
112 induced-currents
114 first annular iron cores
116 second loop coils
118 first annular coils
120 second annular cores
122 first induced-currents
124 second induced-currents
The reverse unit of 126 electric currents
128 Current Mutual Inductance units
Ic parasite currents
Iin_a input currents
Iin_b output currents
Specific embodiment
Technical solution of the present invention is described in detail with specific embodiment below in conjunction with the accompanying drawings, more to enter one
Step understands the purpose of the present invention, scheme and effect, but is not intended as scope of the appended claims of the present invention
Limitation.
Fig. 1 is refer to, it is the first embodiment block diagram of modified form electric arc arrangement for detecting of the invention.One
Modified form electric arc arrangement for detecting 10 is applied to a power supply device 20 and an electronic installation 30；The improvement
Type electric arc arrangement for detecting 10 is defeated comprising an arc detection circuit 102, a Current Mutual Inductance unit 128, an electric current
Enter the electric current output lead 110 of wire 108 and.The Current Mutual Inductance unit 128 includes an annular core
(toroidal core) 104 and one loop coil (toroidal coil) 106.
The arc detection circuit 102 is electrically connected to the electronic installation 30；The electricity of Current Mutual Inductance unit 128
Property is connected to the arc detection circuit 102；The loop coil 106 is wound in the annular core 104, and electricity
Property is connected to the arc detection circuit 102；The electric current input lead 108 passes through the Current Mutual Inductance unit 128
The annular core 104, and be electrically connected to the power supply device 20 and the electronic installation 30；The electricity
Stream output lead 110 passes through the annular core 104 of the Current Mutual Inductance unit 128, and is electrically connected to this
Power supply device 20 and the electronic installation 30.
The power supply device 20 transmits an input current Iin_a to the electricity by the electric current input lead 108
Sub-device 30, and the electronic installation 30 returns an output current Iin_b by the electric current output lead 110
To the power supply device 20 so that the annular core 104 of the Current Mutual Inductance unit 128 and the electric current
The loop coil 106 of mutual inductance unit 128 senses and produces an induced-current 112.
By the input current Iin_a that the electric current input lead 108 is transmitted through the annular core 104
An input current direction be a first direction；The annular core is passed through by the electric current output lead 110
The one output current direction of 104 output current Iin_b for being transmitted is the first direction.
The loop coil 106 of the Current Mutual Inductance unit 128 transmits the induced-current 112 to the electric arc and detects
Circuit 102；The arc detection circuit 102 is using the induced-current 112 detecting electric arc.
If the first direction is from left to right,：Input current Iin_a is defeated by the electric current from left to right
Enter wire 108 to be transmitted through the annular core 104；Output current Iin_b is from left to right by the electricity
Stream output lead 110 is transmitted through the annular core 104.
If the first direction is from right to left,：Input current Iin_a is defeated by the electric current from right to left
Enter wire 108 to be transmitted through the annular core 104；Output current Iin_b is from right to left by the electricity
Stream output lead 110 is transmitted through the annular core 104.
In brief, the sense of current of the sense of current of input current Iin_a and output current Iin_b
It is identical；By taking Fig. 1 as an example, on the basis of the annular core 104：When input current Iin_a passes through the ring
During shape iron core 104, input current Iin_a is transmitted from left to right；When output current Iin_b is passed through
During the annular core 104, output current Iin_b is transmitted from left to right.
Fig. 2 is refer to, it is the second embodiment block diagram of modified form electric arc arrangement for detecting of the invention.One
Modified form electric arc arrangement for detecting 10 is applied to a power supply device 20 and an electronic installation 30；The improvement
Type electric arc arrangement for detecting 10 is defeated comprising an arc detection circuit 102, a Current Mutual Inductance unit 128, an electric current
Enter the electric current output lead 110 of wire 108 and.The Current Mutual Inductance unit 128 includes a first annular iron core
114th, one second annular core 120, a first annular coil 118 and one second loop coil 116.
The arc detection circuit 102 is electrically connected to the electronic installation 30；The electricity of Current Mutual Inductance unit 128
Property is connected to the arc detection circuit 102；The first annular coil 118 is wound in the first annular iron core
114, and it is electrically connected to the arc detection circuit 102；Second loop coil 116 be wound in this second
Annular core 120, and it is electrically connected to arc detection circuit 102；The electric current input lead 108 is passed through should
The first annular iron core 114 of Current Mutual Inductance unit 128, and it is electrically connected to the power supply device 20
And the electronic installation 30；Second ring of the electric current output lead 110 through the Current Mutual Inductance unit 128
Shape iron core 120, and it is electrically connected to the power supply device 20 and the electronic installation 30.
The power supply device 20 transmits an input current Iin_a to the electricity by the electric current input lead 108
Sub-device 30, and the electronic installation 30 returns an output current Iin_b by the electric current output lead 110
To the power supply device 20 so that the Current Mutual Inductance unit 128 senses and produces an induced-current 112.
In other words, the power supply device 20 transmits the input current by the electric current input lead 108
Iin_a is to the electronic installation 30 so that the first annular iron core 114 and the first annular coil 118 sense
And produce one first induced-current 122；The electronic installation 30 should by the electric current output lead 110 passback
Output current Iin_b is to the power supply device 20 so that second annular core 120 and second annular
Coil 116 senses and produces one second induced-current 124.The induced-current 112 includes first induced electricity
Stream 122 and second induced-current 124.
By the input current that the electric current input lead 108 is transmitted through the first annular iron core 114
The one input current direction of Iin_a is a first direction；By the electric current output lead 110 through this second
The one output current direction of the output current Iin_b that annular core 120 is transmitted is the first direction.
The Current Mutual Inductance unit 128 transmits the induced-current 112 to the arc detection circuit 102.In other words
Say, the first annular coil 118 transmits first induced-current 122 to the arc detection circuit 102；Should
Second loop coil 116 transmits second induced-current 124 to the arc detection circuit 102；The electric arc is detectd
Slowdown monitoring circuit 102 is using the induced-current 112 (i.e. using first induced-current 122 and second induced electricity
124) stream detect electric arc.
If the first direction is from left to right,：Input current Iin_a is defeated by the electric current from left to right
Enter wire 108 to be transmitted through the first annular iron core 114；Output current Iin_b from left to right by
The electric current output lead 110 is transmitted through second annular core 120.
If the first direction is from right to left,：Input current Iin_a is defeated by the electric current from right to left
Enter wire 108 to be transmitted through the first annular iron core 114；Output current Iin_b from right to left by
The electric current output lead 110 is transmitted through second annular core 120.
In brief, the sense of current of the sense of current of input current Iin_a and output current Iin_b
It is identical；By taking Fig. 2 as an example, on the basis of the first annular iron core 114：When input current Iin_a is passed through
During the first annular iron core 114, input current Iin_a is transmitted from left to right；With the second annular iron
On the basis of core 120：When output current Iin_b passes through second annular core 120, the output current
Iin_b is transmitted from left to right.
Fig. 3 is refer to, it is the 3rd embodiment block diagram of modified form electric arc arrangement for detecting of the invention.One
Modified form electric arc arrangement for detecting 10 is applied to a power supply device 20 and an electronic installation 30；The improvement
Type electric arc arrangement for detecting 10 is defeated comprising an arc detection circuit 102, a Current Mutual Inductance unit 128, an electric current
Enter the electric current output lead 110 of wire 108 and.The Current Mutual Inductance unit 128 includes a first annular iron core
114th, one second annular core 120, a first annular coil 118 and one second loop coil 116.The electricity
Arc circuit for detecting 102 includes the reverse unit 126 of an electric current.
The arc detection circuit 102 is electrically connected to the electronic installation 30；The electricity of Current Mutual Inductance unit 128
Property is connected to the arc detection circuit 102；The first annular coil 118 is wound in the first annular iron core
114, and it is electrically connected to the arc detection circuit 102；Second loop coil 116 be wound in this second
Annular core 120, and it is electrically connected to arc detection circuit 102；The electric current input lead 108 is passed through should
The first annular iron core 114 of Current Mutual Inductance unit 128, and it is electrically connected to the power supply device 20
And the electronic installation 30；Second ring of the electric current output lead 110 through the Current Mutual Inductance unit 128
Shape iron core 120, and it is electrically connected to the power supply device 20 and the electronic installation 30.
The power supply device 20 transmits an input current Iin_a to the electricity by the electric current input lead 108
Sub-device 30, and the electronic installation 30 returns an output current Iin_b by the electric current output lead 110
To the power supply device 20 so that the Current Mutual Inductance unit 128 senses and produces an induced-current 112.
In other words, the power supply device 20 transmits input current Iin_a by the electric current input lead 108
To the electronic installation 30 so that the first annular iron core 114 and the first annular coil 118 sense and produce
Raw one first induced-current 122；The electronic installation 30 returns the output by the electric current output lead 110
Electric current Iin_b is to the power supply device 20 so that second annular core 120 and second loop coil
116 sense and produce one second induced-current 124.The induced-current 112 includes first induced-current 122
And second induced-current 124.
By the input current that the electric current input lead 108 is transmitted through the first annular iron core 114
The one input current direction of Iin_a is a first direction；By the electric current output lead 110 through this second
The one output current direction of the output current Iin_b that annular core 120 is transmitted is a second direction；Should
First direction is different from the second direction.
The Current Mutual Inductance unit 128 transmits the induced-current 112 to the arc detection circuit 102.In other words
Say, the first annular coil 118 transmits first induced-current 122 to the arc detection circuit 102；Should
Second loop coil 116 transmits second induced-current 124 to the arc detection circuit 102；The electric arc is detectd
Reverse second induced-current 124 of slowdown monitoring circuit 102 is obtaining a reverse induction electric current；The arc detection circuit
102 (utilize first induced-current 122 and by reversely second sensing using the induced-current 112
The reverse induction electric current obtained by electric current 124) detecting electric arc.The reverse unit 126 of the electric current is to reverse
Second induced-current 124 is obtaining the reverse induction electric current.
If the first direction is for from left to right, the second direction is from right to left, then：Input current Iin_a
Transmitted through the first annular iron core 114 by the electric current input lead 108 from left to right；Output electricity
Stream Iin_b is transmitted by the electric current output lead 110 through second annular core 120 from right to left.
If the first direction is for from right to left, the second direction is from left to right, then：Input current Iin_a
Transmitted through the first annular iron core 114 by the electric current input lead 108 from right to left；Output electricity
Stream Iin_b is transmitted by the electric current output lead 110 through second annular core 120 from left to right.
In brief, the sense of current of the sense of current of input current Iin_a and output current Iin_b
It is different；By taking Fig. 3 as an example, on the basis of the first annular iron core 114：When input current Iin_a is passed through
During the first annular iron core 114, input current Iin_a is transmitted from left to right；With the second annular iron
On the basis of core 120：When output current Iin_b passes through second annular core 120, the output current
Iin_b is transmitted from right to left.The sense of current of input current Iin_a and the electricity of output current Iin_b
Although stream direction is different, second induced-current 124 (sensing from the output current Iin_b) can be reversed
To use.
Please also refer to Fig. 1, Fig. 2 and Fig. 3.Due to the power supply device 20 and the electronic installation 30
There is the parasitic capacitance 40 of plural number over the ground, therefore there is the parasite current Ic of plural number so that the input current
Iin_a and output current Iin_b are not preferable electric current, that is, input current Iin_a and the output
There are some interference noises in electric current Iin_b, and these interference noises will influence the precision that electric arc is detected.
Iin_diff is expressed as the differential mode composition of electric current, and Iin_com is expressed as the common mode composition of electric current, then this hair
Bright above-mentioned input current Iin_a and output current Iin_b can be represented by the equation below：
Iin_a=Iin_diff+Iin_com
Iin_b=Iin_diff-Iin_com
If in the ideal situation, the common mode composition (Iin_com) of electric current should level off to zero (in fact not
It is).
Knowable to above-mentioned two equation and content, no matter electric arc detector is only to detect the input current
Iin_a (detecting power positive end) or output current Iin_b (detecting power supply negative terminal) is only detected, because
The presence of the common mode composition (Iin_com) of electric current, the precision of electric arc detecting can all be reduced.
Circuit structure and content as shown in Figure 1, Figure 2 and Figure 3 of the invention, by above-mentioned two equation phase
It is added together, you can obtain the equation below：
Iin_a+Iin_b=2*Iin_diff
The differential mode composition (Iin_diff) of only electric current is retained, but electric current common mode composition (Iin_com)
It is eliminated so that the precision of electric arc detecting is enhanced.
Wherein, Fig. 3 input current Iin_a the sense of current and output current Iin_b electric current
Although direction is different, second induced-current 124 (sensing from the output current Iin_b) can be reversed to
With so aforesaid equation still can be continued to use.
Furthermore, the power supply device 20 can be for example but the present invention is not limited to a solar panels, the electricity
Sub-device 30 can be for example but the present invention is not limited to an inverter.The arc detection circuit 102 is available
A such as digital signal processing chip (digital signal processing chip) changes the induced-current 112
(or, changing first induced-current 122 and second induced-current 124) is into spectrum analysis；If frequency spectrum
Display high-frequency components are excessive (being greater than a preset value), then it represents that have electric arc；Now, the electric arc
Circuit for detecting 102 notifies the electronic installation 30, the electronic installation 30 is shut down.
Furthermore, single arc detection circuit 102 shown in Fig. 2 and Fig. 3 receives first induced-current
122 and second induced-current 124；However, in another specific embodiment, can also two electric arcs detect
Single arc detection circuit 102 of the substitution of slowdown monitoring circuit 102, and its of two arc detection circuits 102
In one reception first induced-current 122, another arc detection circuit 102 receive this second sensing
Electric current 124.
Furthermore, the annular core 104 can be the iron core of any shape but be not limited to annular, and iron core is closing
Or do not close also can, iron core can be even air core (air core).
Fig. 4 is refer to, it is the fourth embodiment block diagram of modified form electric arc arrangement for detecting of the invention.Figure
In the middle of 4, the power supply device 20 is a solar panels, and the electronic installation 30 is an inverter, and this is inverse
Become device and transmit alternating voltage to a power network 50, arrow is the sense of current.The present invention is except detecting DC voltage
Outside, can also detect alternating voltage (as shown in Figure 4)；Remaining content of Fig. 4 is similar with the above, therefore
Repeated no more in this.
Effect of the invention is to provide a kind of modified form electric arc arrangement for detecting to improve the accurate of electric arc detecting
Degree.
Certainly, the present invention can also have other various embodiments, in the feelings without departing substantially from spirit of the invention and its essence
Under condition, those of ordinary skill in the art work as can make various corresponding changes and deformation according to the present invention, but
These corresponding changes and deformation should all belong to the protection domain of appended claims of the invention.
Claims (11)
1. a kind of modified form electric arc arrangement for detecting, it is characterised in that be applied to a power supply device and
Electronic installation, the modified form electric arc arrangement for detecting is included：
One arc detection circuit, is electrically connected to the electronic installation；
One Current Mutual Inductance unit, is electrically connected to the arc detection circuit；
One electric current input lead, through the Current Mutual Inductance unit, and be electrically connected to the power supply device and
The electronic installation；And
One electric current output lead, through the Current Mutual Inductance unit, and be electrically connected to the power supply device and
The electronic installation,
Wherein the power supply device transmits an input current to the electronic installation by the electric current input lead,
And the electronic installation outputs current to the power supply device by electric current output lead passback one so that should
Current Mutual Inductance unit senses and produces an induced-current；
Wherein the Current Mutual Inductance unit transmits the induced-current to the arc detection circuit；The arc detection circuit
Using the induced-current detecting electric arc.
2. modified form electric arc arrangement for detecting as claimed in claim 1, it is characterised in that the Current Mutual Inductance
Unit is included：
One annular core；And
One loop coil, is wound in the annular core, and is electrically connected to the arc detection circuit,
One input of the input current for wherein being transmitted through the annular core by the electric current input lead
The sense of current is a first direction；By the output that the electric current output lead is transmitted through the annular core
One output current direction of electric current is the first direction.
3. modified form electric arc arrangement for detecting as claimed in claim 2, it is characterised in that the first direction
For from left to right；The input current is passed by the electric current input lead through the annular core from left to right
Send；The output current is transmitted by the electric current output lead through the annular core from left to right.
4. modified form electric arc arrangement for detecting as claimed in claim 2, it is characterised in that the first direction
For from right to left；The input current is passed by the electric current input lead through the annular core from right to left
Send；The output current is transmitted by the electric current output lead through the annular core from right to left.
5. modified form electric arc arrangement for detecting as claimed in claim 1, it is characterised in that the Current Mutual Inductance
Unit is included：
One first annular iron core；
One second annular core；
One first annular coil, is wound in the first annular iron core, and be electrically connected to the arc detection circuit；
And
One second loop coil, is wound in second annular core, and is electrically connected to the arc detection circuit,
Wherein the power supply device transmits the input current to the electronic installation by the electric current input lead,
So that the first annular iron core and first annular coil-induced and one first induced-current of generation；The electronics is filled
Put and return this by the electric current output lead and output current to the power supply device so that the second annular iron
Core and second loop coil sense and produce one second induced-current；
The one of the input current for wherein being transmitted through the first annular iron core by the electric current input lead
Input current direction is a first direction；Transmitted through second annular core by the electric current output lead
The output current an output current direction be the first direction；
Wherein the first annular coil transmits first induced-current to the arc detection circuit；Second annular
Coil transmits second induced-current to the arc detection circuit；The arc detection circuit is using first sensing
Electric current and second induced-current detecting electric arc.
6. modified form electric arc arrangement for detecting as claimed in claim 5, it is characterised in that the first direction
For from left to right；The input current passes through the first annular iron core quilt by the electric current input lead from left to right
Transmission；The output current is transmitted by the electric current output lead through second annular core from left to right.
7. modified form electric arc arrangement for detecting as claimed in claim 5, it is characterised in that the first direction
For from right to left；The input current passes through the first annular iron core quilt by the electric current input lead from right to left
Transmission；The output current is transmitted by the electric current output lead through second annular core from right to left.
8. modified form electric arc arrangement for detecting as claimed in claim 1, it is characterised in that the Current Mutual Inductance
Unit is included：
One first annular iron core；
One second annular core；
One first annular coil, is wound in the first annular iron core, and be electrically connected to the arc detection circuit；
And
One second loop coil, is wound in second annular core, and is electrically connected to arc detection circuit,
Wherein the power supply device transmits the input current to the electronic installation by the electric current input lead,
So that the first annular iron core and first annular coil-induced and one first induced-current of generation；The electronics is filled
Put and return this by the electric current output lead and output current to the power supply device so that the second annular iron
Core and second loop coil sense and produce one second induced-current；
The one of the input current for wherein being transmitted through the first annular iron core by the electric current input lead
Input current direction is a first direction；Transmitted through second annular core by the electric current output lead
The output current an output current direction be a second direction；The first direction is with the second direction not
Together；
Wherein the first annular coil transmits first induced-current to the arc detection circuit；Second annular
Coil transmits second induced-current to the arc detection circuit；The arc detection circuit reversely second sensing
Electric current is obtaining a reverse induction electric current；The arc detection circuit utilizes first induced-current and the reverse sense
Induced current detects electric arc.
9. modified form electric arc arrangement for detecting as claimed in claim 8, it is characterised in that the electric arc is detected
Circuit includes the reverse unit of an electric current, to reverse second induced-current obtaining the reverse induction electric current.
10. modified form electric arc arrangement for detecting as claimed in claim 9, it is characterised in that the first direction
For from left to right, the second direction is for from right to left；The input current is led by electric current input from left to right
Line is transmitted through the first annular iron core；The output current is passed through by the electric current output lead from right to left
Second annular core is transmitted.
11. modified form electric arc arrangement for detecting as claimed in claim 9, it is characterised in that the first direction
For from right to left, the second direction is for from left to right；The input current is led by electric current input from right to left
Line is transmitted through the first annular iron core；The output current is passed through by the electric current output lead from left to right
Second annular core is transmitted.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510807625.3A CN106771691A (en) | 2015-11-20 | 2015-11-20 | Modified form electric arc arrangement for detecting |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510807625.3A CN106771691A (en) | 2015-11-20 | 2015-11-20 | Modified form electric arc arrangement for detecting |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106771691A true CN106771691A (en) | 2017-05-31 |
Family
ID=58885717
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510807625.3A Pending CN106771691A (en) | 2015-11-20 | 2015-11-20 | Modified form electric arc arrangement for detecting |
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| Country | Link |
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| CN (1) | CN106771691A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109781026A (en) * | 2019-02-13 | 2019-05-21 | 业成科技（成都）有限公司 | The method for safety monitoring of optics module and its be applied to three-dimensional sensor |
| EP3723218A4 (en) * | 2017-12-29 | 2020-12-16 | Huawei Technologies Co., Ltd. | Method and device for handling direct current arc |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS58205680A (en) * | 1982-05-26 | 1983-11-30 | Ishikawajima Harima Heavy Ind Co Ltd | Method for profile controlling of arc welding |
| CN2319799Y (en) * | 1997-12-19 | 1999-05-19 | 华中理工大学 | Vacuum degree measuring device of arc-chutes |
| JP2007139717A (en) * | 2005-11-22 | 2007-06-07 | Doshisha | Instrument and method for measuring magnetic characteristic of annular sample |
| US8599523B1 (en) * | 2011-07-29 | 2013-12-03 | Leviton Manufacturing Company, Inc. | Arc fault circuit interrupter |
| CN104155499A (en) * | 2014-08-20 | 2014-11-19 | 国家电网公司 | Current measuring device based on combined PCB type Rogowski coils and method thereof |
-
2015
- 2015-11-20 CN CN201510807625.3A patent/CN106771691A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS58205680A (en) * | 1982-05-26 | 1983-11-30 | Ishikawajima Harima Heavy Ind Co Ltd | Method for profile controlling of arc welding |
| CN2319799Y (en) * | 1997-12-19 | 1999-05-19 | 华中理工大学 | Vacuum degree measuring device of arc-chutes |
| JP2007139717A (en) * | 2005-11-22 | 2007-06-07 | Doshisha | Instrument and method for measuring magnetic characteristic of annular sample |
| US8599523B1 (en) * | 2011-07-29 | 2013-12-03 | Leviton Manufacturing Company, Inc. | Arc fault circuit interrupter |
| CN104155499A (en) * | 2014-08-20 | 2014-11-19 | 国家电网公司 | Current measuring device based on combined PCB type Rogowski coils and method thereof |
Non-Patent Citations (1)
| Title |
|---|
| 周开基 等: "辐射和传导发射", 《电磁兼容原理》 * |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP3723218A4 (en) * | 2017-12-29 | 2020-12-16 | Huawei Technologies Co., Ltd. | Method and device for handling direct current arc |
| US11693062B2 (en) * | 2017-12-29 | 2023-07-04 | Huawei Technologies Co., Ltd. | Method for processing direct current electric arc and apparatus |
| CN109781026A (en) * | 2019-02-13 | 2019-05-21 | 业成科技（成都）有限公司 | The method for safety monitoring of optics module and its be applied to three-dimensional sensor |
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Application publication date: 20170531 |