CN105702442A - Coil structure for detector and pass-type detector formed by coil structure - Google Patents
Coil structure for detector and pass-type detector formed by coil structure Download PDFInfo
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- CN105702442A CN105702442A CN201610184330.XA CN201610184330A CN105702442A CN 105702442 A CN105702442 A CN 105702442A CN 201610184330 A CN201610184330 A CN 201610184330A CN 105702442 A CN105702442 A CN 105702442A
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- coil
- reverse winding
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- loop construction
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F38/00—Adaptations of transformers or inductances for specific applications or functions
- H01F38/14—Inductive couplings
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01V—GEOPHYSICS; GRAVITATIONAL MEASUREMENTS; DETECTING MASSES OR OBJECTS; TAGS
- G01V3/00—Electric or magnetic prospecting or detecting; Measuring magnetic field characteristics of the earth, e.g. declination, deviation
- G01V3/08—Electric or magnetic prospecting or detecting; Measuring magnetic field characteristics of the earth, e.g. declination, deviation operating with magnetic or electric fields produced or modified by objects or geological structures or by detecting devices
- G01V3/10—Electric or magnetic prospecting or detecting; Measuring magnetic field characteristics of the earth, e.g. declination, deviation operating with magnetic or electric fields produced or modified by objects or geological structures or by detecting devices using induction coils
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F27/00—Details of transformers or inductances, in general
- H01F27/28—Coils; Windings; Conductive connections
- H01F27/30—Fastening or clamping coils, windings, or parts thereof together; Fastening or mounting coils or windings on core, casing, or other support
- H01F27/306—Fastening or mounting coils or windings on core, casing or other support
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F38/00—Adaptations of transformers or inductances for specific applications or functions
- H01F38/14—Inductive couplings
- H01F2038/143—Inductive couplings for signals
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Physics & Mathematics (AREA)
- Remote Sensing (AREA)
- Life Sciences & Earth Sciences (AREA)
- Electromagnetism (AREA)
- Environmental & Geological Engineering (AREA)
- Geology (AREA)
- General Life Sciences & Earth Sciences (AREA)
- General Physics & Mathematics (AREA)
- Geophysics (AREA)
- Investigating Or Analyzing Materials By The Use Of Magnetic Means (AREA)
Abstract
The invention discloses a coil structure for a detector and a pass-type detector formed by the coil structure. The coil structure for the detector is characterized by comprising a first coil and a second coil, wherein the first coil is connected with the second coil in an electromagnetic coupling manner; the first coil comprises a forward coil and a reverse coil; and the forward coil is reversely connected with the reverse coil. The coil structure for the detector improves the anti-jamming capability of the detector, and also improves the production efficiency of the detector; and installation and debugging are easily carried out by a worker.
Description
Technical field
The present invention relates to metal detector field, in particular to the through type detector for the loop construction of detector and composition thereof。
Background technology
Detector is widely used in every field。AT STATION, airport, amusement place and other places, detector all can be installed。Detector detects the metal on the person in a non-contact manner。Such as, through type detector is one of which detector, equipped with transmitting coil and receiving coil inside through type detector。In time having metal near detector, the eddy current effect that metal produces can affect the magnetic field around through type detector, and at this moment receiving coil can produce faradic current, and voltage changes therewith。Change by detecting the voltage of receiving coil, it is possible to judge further。
Refer to Fig. 1, Fig. 1 is that the present invention is for the schematic diagram of prior art in the loop construction of detector。In prior art, the coil of detector includes transmitting coil 101, receiving coil 102, detector body structure 103。Each coil is coiled into by enamel-covered wire, and two taps of last coil are connected on respective binding post。Coil production adjustment method be with transmitting coil 101 partly as offset coiling 104, as shown by arrows in FIG., solid arrow represents the direction of winding of receiving coil 102, dotted arrow represent offset coiling 104 direction of winding, both direction of windings are contrary。Coiling 104 area is offset thus adjusting the amplitude of the induced voltage of receiving coil 102 so that it is meet analog circuit level demand by regulating。This method needs workman repeatedly constantly adjusting counteracting coiling 104 part, and tests induced voltage amplitude in this case simultaneously, and offsets the adjustable space of winding portion very greatly, thus results in production efficiency low。On the other hand, detector, owing to only having unidirectional receiving coil in design, is easily subject to the interference in the external world, it is easy to cause erroneous judgement when practical operation。It is thus desirable to a kind of new loop construction for detector, to improve the efficiency producing detector, it is easy to workman carries out installation and debugging and improves the capacity of resisting disturbance of detector。
Summary of the invention
The task of the present invention is to provide the detector of a kind of new loop construction for detector and composition thereof, to improve the efficiency producing detector, it is easy to workman carries out installation and debugging and improves the capacity of resisting disturbance of detector。For achieving the above object, this patent adopts the following technical scheme that
A kind of loop construction for detector, it is characterized in that: described loop construction includes first coil, the second coil, first coil and the second coil connect in electromagnetic coupled mode, and wherein first coil includes forward coil and reverse winding, forward coil and reverse winding Opposite direction connection。
Preferably, described forward coil and reverse winding are the identical number of turn and identical size。
Preferably, described forward coil is non-intersect with reverse winding。
Preferably, described forward coil and reverse winding are symmetrical arranged。
Preferably, described first coil, at least provided with two, is provided with forward coil or the reverse winding of another first coil between forward coil and the reverse winding of same first coil。
Preferably, described first coil is transmitting coil, and the second coil is receiving coil。
Preferably, described first coil is receiving coil, and the second coil is transmitting coil。
On the other hand, a kind of through type detector is provided, including agent structure and the main frame being provided at its inner portion, main frame is connected to the loop construction for detector, it is characterized in that: the described loop construction for detector includes first coil, the second coil, first coil and the second coil connect in electromagnetic coupled mode, and wherein first coil includes forward coil and reverse winding, forward coil and reverse winding Opposite direction connection；First coil and the second coil are arranged on the side door part of agent structure。
Preferably, described forward coil and reverse winding are the identical number of turn and identical size。
Preferably, described forward coil is non-intersect with reverse winding。
Preferably, described forward coil and reverse winding are symmetrical arranged。
Preferably, at least provided with two first coils in described side door part, between forward coil and the reverse winding of same first coil, it is provided with forward coil or the reverse winding of another first coil。Preferably, described first coil is transmitting coil, and the second coil is receiving coil。
Preferably, described first coil is receiving coil, and the second coil is transmitting coil。
It is verified by experiments, uses the through type detector of the present invention loop construction for detector and composition thereof, it is possible to effectively solve the problem that installation and debugging detector efficiency lowly and is easily disturbed。
Accompanying drawing explanation
Fig. 1 is that the present invention is for the schematic diagram of prior art in the loop construction of detector；
Fig. 2 is the structural representation of through type detector of the present invention；
Fig. 3 is the present invention schematic diagram for the loop construction first embodiment of detector；
Fig. 4 is a present invention example structure schematic diagram for the first coil in the loop construction of detector；
Fig. 5 is the present invention schematic diagram for loop construction second embodiment of detector；
Fig. 6 is the present invention schematic diagram for loop construction the 3rd embodiment of detector；
Fig. 7 is the present invention schematic diagram for loop construction the 4th embodiment of detector；
Fig. 8 a is the present invention schematic diagram for loop construction the 5th embodiment of detector；
Fig. 8 b is the present invention schematic diagram for the loop construction sixth embodiment of detector。
Detailed description of the invention
Below in conjunction with drawings and embodiments, the invention will be further described, but protection scope of the present invention is not limited to the scope of embodiment statement。
Refer to the structural representation that Fig. 2, Fig. 2 are through type detectors of the present invention。Detector of the present invention is the device of detection metal object, it metal detection device including hand-held and metal detection through type detector 200 etc.。Below with metal detection through type detector 200 as an example, specifically describing the aufbauprinciple of detector of the present invention, same principle is applicable to handheld metal detecting device。Metal detection through type detector 200 body structure portion includes side door part 201, header portion 202。Main frame (not shown) may be installed in header portion, and main frame connects transmitting coil and receiving coil, is used for controlling, sending pumping signal to transmitting coil, measures receiving coil inductive voltage value。Transmitting coil and receiving coil may be installed side door part 201。
It is the present invention schematic diagram for the loop construction first embodiment of detector with further reference to Fig. 3, Fig. 3。The described loop construction for detector, including first coil the 301, second coil 302, forward coil 303, reverse winding 304。First coil 301 and the second coil 302 connect in electromagnetic coupled mode, forward coil 303 and reverse winding 304 Opposite direction connection。Fig. 3 there are four first coils 301, each first coil 301 include a forward coil 303 and a reverse winding 304。It should be noted that the number of first coil 301 is as desired to be configured。First coil 301 has two terminals to be connected with main frame with the second coil 302 respectively。The loop of first coil 301 and each self-forming Guan Bi of the second coil 302。Concrete, first coil 301 and the second coil 302 connect in electromagnetic coupled mode, and when sending pumping signal by one of them coil, another one coil can produce induced signal。
In coiling rule, the direction of winding of the second coil 302 can adopt direction clockwise or counter-clockwise。Forward coil 303 in first coil 301 is contrary with the direction of winding of reverse winding 304, i.e. forward coil 303 and reverse winding 304 Opposite direction connection。If forward coil 303 adopts direction of winding clockwise, then reverse winding 304 adopts anti-clockwise windings direction, if forward coil 303 adopts anti-clockwise windings direction, then reverse winding 304 adopts direction of winding clockwise。
It is a present invention example structure schematic diagram for the first coil in the loop construction of detector with further reference to Fig. 4, Fig. 4。From the figure, it can be seen that forward coil 303 adopts anti-clockwise windings direction, reverse winding 304 adopts direction of winding clockwise。The direction of winding that forward coil 303 adopts with reverse winding 304 is contrary。
According to above-mentioned coiling rule, when the second coil 302 is by the electric current of change, by regulating the size of forward coil 303 or reverse winding 304, the magnetic induction effect that the magnetic induction effect that forward coil 303 produces produces with reverse winding 304 is just offset, and capacity of resisting disturbance strengthens。
In some embodiments, forward coil 303 and reverse winding 304 are to have the identical number of turn and identical size。Concrete, forward coil 303 size defined with reverse winding 304 is identical。Forward coil 303 is non-intersect with reverse winding 304。Concrete, with reverse winding 304 at grade, both area defined are non-intersect for forward coil 303。Forward coil 303 and reverse winding 304 can be symmetrical arranged。When first coil 301 is by the electric current of change, the magnetic induction effect that the magnetic induction effect that forward coil 303 produces produces with reverse winding 304 cancels each other substantially。For making it meet analog circuit level demand, in process of production, it is only necessary to forward coil 303 or reverse winding 304 are done slight size, shape or position adjustment, such that it is able to improve production efficiency。
Have more convenient to make through type detector design, the layout of receiving coil 501 can have multiple design form。
Refer to Fig. 5, Fig. 5 is the present invention schematic diagram for loop construction second embodiment of detector。
In some embodiments, the described loop construction for detector, including first coil the 301, second coil 302, first coil 301 and the second coil 302 connect in electromagnetic coupled mode。First coil 301 includes forward coil 303, reverse winding 304。Forward coil 303 and reverse winding 304 Opposite direction connection。Fig. 5 there are two first coils 301, each first coil 301 include a forward coil 303 and a reverse winding 304。It should be noted that the number of first coil 301 is as desired to be configured。First coil 301 has two terminals to be connected with main frame with the second coil 302 respectively。The loop of first coil 301 and each self-forming Guan Bi of the second coil 302。
In coiling rule, the direction of winding of the second coil 302 can adopt direction clockwise or counter-clockwise。Forward coil 303 in first coil 301 is contrary with the direction of winding of reverse winding 304, i.e. forward coil 303 and reverse winding 304 Opposite direction connection。If forward coil 303 adopts direction of winding clockwise, then reverse winding 304 adopts anti-clockwise windings direction, if forward coil 303 adopts anti-clockwise windings direction, then reverse winding 304 adopts direction of winding clockwise。
Refer to Fig. 6, Fig. 6 is the present invention schematic diagram for loop construction the 3rd embodiment of detector。
In some embodiments, the described loop construction for detector, including first coil the 301, second coil 302, first coil 301 and the second coil 302 connect in electromagnetic coupled mode。First coil 301 includes forward coil 303, reverse winding 304。Forward coil 303 and reverse winding 304 Opposite direction connection。Fig. 6 there are two first coils 301, each first coil 301 include a forward coil 303 and a reverse winding 304。It should be noted that the number of first coil 301 is as desired to be configured。First coil 301 has two terminals to be connected with main frame with the second coil 302 respectively。The loop of first coil 301 and each self-forming Guan Bi of the second coil 302。
In coiling rule, catch up with that to state way of example identical, just repeat no more at this。
In this embodiment, forward coil 303 or the reverse winding 304 of another first coil 301 it are provided with between forward coil 303 and the reverse winding 304 of same first coil 301。
Refer to Fig. 7, Fig. 7 is the present invention schematic diagram for loop construction the 4th embodiment of detector。
In some embodiments, the described loop construction for detector, including first coil the 301, second coil 302, first coil 301 and the second coil 302 connect in electromagnetic coupled mode。First coil 301 includes forward coil 303, reverse winding 304。Forward coil 303 and reverse winding 304 Opposite direction connection。Fig. 7 there are two first coils 301, each first coil 301 include a forward coil 303 and a reverse winding 304。It should be noted that the number of first coil 301 is as desired to be configured。First coil 301 has two terminals to be connected with main frame with the second coil 302 respectively。The loop of first coil 301 and each self-forming Guan Bi of the second coil 302。
In coiling rule, catch up with that to state way of example identical, just repeat no more at this。
In some embodiments, described first coil 301 is transmitting coil, and the second coil 302 is receiving coil。
In some embodiments, described first coil 301 is receiving coil, and the second coil 302 is transmitting coil。Concrete, according to actual needs, if arranging first coil 301 for transmitting coil, accordingly, it will arranging the second coil 302 is receiving coil。If arranging first coil 301 for receiving coil, accordingly, it will arranging the second coil 302 is transmitting coil。The electromagnetic signal that described transmitting coil sends is to be produced by host signal stimulating module, and according to electromagnetic induction principle, receiving coil can produce faradic current and inductive voltage value, and it is judged by Host Detection magnitude of voltage again。
It is the present invention schematic diagram for first coil 301 the 5th embodiment in the loop construction of detector with further reference to Fig. 8 a, Fig. 8 a。In some embodiments, the first coil 301 of the described loop construction for detector and the second coil 302 only one of which, first coil 301 and the second coil 302 connect in electromagnetic coupled mode。First coil 301 includes forward coil 303, reverse winding 304。Forward coil 303 and reverse winding 304 Opposite direction connection。First coil 301 has two terminals to be connected with main frame with the second coil 302 respectively。The loop of first coil 301 and each self-forming Guan Bi of the second coil 302。This design can be used in hand-held detector, meets hand-held detector and has portable, small and exquisite feature。
In coiling rule, catch up with that to state way of example identical, just repeat no more at this。
It is the present invention schematic diagram for the loop construction sixth embodiment of detector with further reference to Fig. 8 b, Fig. 8 b。In some embodiments, the first coil 301 of the described loop construction for detector and the second coil 302 only one of which, first coil 301 and the second coil 302 connect in electromagnetic coupled mode。First coil 301 includes forward coil 303, reverse winding 304。Forward coil 303 and reverse winding 304 Opposite direction connection。First coil 301 has two terminals to be connected with main frame with the second coil 302 respectively。The loop of first coil 301 and each self-forming Guan Bi of the second coil 302。This design is equally possible is used in hand-held detector, meets hand-held detector and has portable, small and exquisite feature。
In coiling rule, catch up with that to state way of example identical, just repeat no more at this。
Above-mentioned six embodiments have difference in the design of loop construction, but can effectively solve the problem that installation and debugging detector efficiency lowly and is easily disturbed, and Detection results is improved。
On the other hand, a kind of through type detector is provided, including agent structure and the main frame being provided at its inner portion, main frame is connected to the above-mentioned loop construction for detector, it is characterized in that: the described loop construction for detector includes first coil the 301, second coil 302, first coil 301 and the second coil 302 connect in electromagnetic coupled mode, and wherein first coil 301 includes forward coil 303 and reverse winding 304, forward coil 303 and reverse winding 304 Opposite direction connection；First coil 301 and the second coil 302 are arranged on the side door part 201 of agent structure。The first coil 301 of main frame connecting coil structure and the second coil 302。Main frame is used for controlling, sending pumping signal to one of them coil, measures the inductive voltage value of another coil。
Preferably, described forward coil 303 and reverse winding 304 are the identical number of turn and identical size。
Preferably, described forward coil 303 is non-intersect with reverse winding 304。
Preferably, described forward coil and reverse winding are symmetrical arranged。
Preferably, at least provided with two first coils 301 in described side door part 201, between forward coil 301 and the reverse winding 304 of same first coil 301, it is provided with forward coil or the reverse winding of another first coil。Should be appreciated that such scheme refers to that same side door part 201 is provided with at least two first coil 301。
Preferably, described first coil is transmitting coil, and the second coil is receiving coil。
Preferably, described first coil is receiving coil, and the second coil is transmitting coil。
Describe above about above-mentioned detailed description of the invention, do not repeat them here。
The present invention is used to be constructed by formula detector for the loop construction of detector, it is possible to effectively to solve the problem that installation and debugging detector efficiency lowly and is easily disturbed。
Above description is only the preferred embodiment of the application and the explanation to institute's application technology principle。Skilled artisan would appreciate that, invention scope involved in the application, it is not limited to the technical scheme of the particular combination of above-mentioned technical characteristic, when also should be encompassed in without departing from described inventive concept simultaneously, other technical scheme being carried out combination in any by above-mentioned technical characteristic or its equivalent feature and being formed。Such as features described above and (but not limited to) disclosed herein have the technical characteristic of similar functions and replace mutually and the technical scheme that formed。
Claims (18)
1. the loop construction for detector, it is characterized in that: described loop construction includes first coil, the second coil, first coil and the second coil connect in electromagnetic coupled mode, and wherein first coil includes forward coil and reverse winding, forward coil and reverse winding Opposite direction connection。
2. the loop construction for detector according to claim 1, it is characterised in that: described forward coil and reverse winding are the identical number of turn and identical size。
3. the loop construction for detector according to claim 2, it is characterised in that: described forward coil is non-intersect with reverse winding。
4. the loop construction for detector according to claim 1, it is characterised in that: described forward coil and reverse winding are symmetrical arranged。
5. the loop construction for detector according to claim 2, it is characterised in that: described forward coil and reverse winding are symmetrical arranged。
6. the loop construction for detector according to claim 3, it is characterised in that: described forward coil and reverse winding are symmetrical arranged。
7. the loop construction for detector according to claim 6, it is characterised in that: described first coil, at least provided with two, is provided with forward coil or the reverse winding of another first coil between forward coil and the reverse winding of same first coil。
8. the loop construction for detector according to any claim in claim 1-7, it is characterised in that: described first coil is transmitting coil, and the second coil is receiving coil。
9. the loop construction for detector according to any claim in claim 1-7, it is characterised in that: described first coil is receiving coil, and the second coil is transmitting coil。
10. a through type detector, including agent structure and the main frame being provided at its inner portion, body structure portion includes side door part and header portion, main frame is connected to the loop construction for detector, it is characterized in that: the described loop construction for detector includes first coil, the second coil, first coil and the second coil connect in electromagnetic coupled mode, and wherein first coil includes forward coil and reverse winding, forward coil and reverse winding Opposite direction connection；First coil and the second coil are arranged on the side door part of agent structure。
11. through type detector according to claim 10, it is characterised in that: described forward coil and reverse winding are the identical number of turn and identical size。
12. through type detector according to claim 11, it is characterised in that: described forward coil is non-intersect with reverse winding。
13. through type detector according to claim 10, it is characterised in that: described forward coil and reverse winding are symmetrical arranged。
14. through type detector according to claim 11, it is characterised in that: described forward coil and reverse winding are symmetrical arranged。
15. through type detector according to claim 12, it is characterised in that: described forward coil and reverse winding are symmetrical arranged。
16. through type detector according to claim 15, it is characterized in that: at least provided with two first coils in described side door part, between forward coil and the reverse winding of same first coil, be provided with forward coil or the reverse winding of another first coil。
17. the through type detector according to any claim in claim 10-16, it is characterised in that: described first coil is transmitting coil, and the second coil is receiving coil。
18. the through type detector according to any claim in claim 10-16, it is characterised in that: described first coil is receiving coil, and the second coil is transmitting coil。
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610184330.XA CN105702442A (en) | 2016-03-25 | 2016-03-25 | Coil structure for detector and pass-type detector formed by coil structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610184330.XA CN105702442A (en) | 2016-03-25 | 2016-03-25 | Coil structure for detector and pass-type detector formed by coil structure |
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| CN105702442A true CN105702442A (en) | 2016-06-22 |
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| CN201610184330.XA Pending CN105702442A (en) | 2016-03-25 | 2016-03-25 | Coil structure for detector and pass-type detector formed by coil structure |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109521478A (en) * | 2018-11-08 | 2019-03-26 | 中北大学 | The electromagnetic induction detection device of Summoning in a kind of full-automatic Emulsion Explosive Production |
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| US4135183A (en) * | 1977-05-24 | 1979-01-16 | Minnesota Mining And Manufacturing Company | Antipilferage system utilizing "figure-8" shaped field producing and detector coils |
| DE3619308C1 (en) * | 1986-06-07 | 1991-08-29 | Klaus Ebinger | Probe for a metal detector |
| JP2000258548A (en) * | 1999-03-04 | 2000-09-22 | Anritsu Corp | Detection head of metal detection machine |
| CN1988076A (en) * | 2005-12-02 | 2007-06-27 | 松下电工株式会社 | Alternating current detection coil |
| CN101387708A (en) * | 2008-09-22 | 2009-03-18 | 三实电器(漳州)有限公司 | Receiving coil of door type metal detector |
| DE202012006964U1 (en) * | 2012-07-18 | 2012-09-11 | Klaus Ebinger | Loop system for metal detectors |
| CN204155260U (en) * | 2014-07-01 | 2015-02-11 | 鸿合科技有限公司 | A kind of coil array of electromagnetic induction blank |
| CN204405864U (en) * | 2014-10-25 | 2015-06-17 | 肖立民 | Multi-region position detector gate |
| CN205564514U (en) * | 2016-03-25 | 2016-09-07 | 东莞市华盾电子科技有限公司 | A loop construction for detector and through type detector that constitutes thereof |
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2016
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Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4135183A (en) * | 1977-05-24 | 1979-01-16 | Minnesota Mining And Manufacturing Company | Antipilferage system utilizing "figure-8" shaped field producing and detector coils |
| DE3619308C1 (en) * | 1986-06-07 | 1991-08-29 | Klaus Ebinger | Probe for a metal detector |
| JP2000258548A (en) * | 1999-03-04 | 2000-09-22 | Anritsu Corp | Detection head of metal detection machine |
| CN1988076A (en) * | 2005-12-02 | 2007-06-27 | 松下电工株式会社 | Alternating current detection coil |
| CN101387708A (en) * | 2008-09-22 | 2009-03-18 | 三实电器(漳州)有限公司 | Receiving coil of door type metal detector |
| DE202012006964U1 (en) * | 2012-07-18 | 2012-09-11 | Klaus Ebinger | Loop system for metal detectors |
| CN204155260U (en) * | 2014-07-01 | 2015-02-11 | 鸿合科技有限公司 | A kind of coil array of electromagnetic induction blank |
| CN204405864U (en) * | 2014-10-25 | 2015-06-17 | 肖立民 | Multi-region position detector gate |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN109521478A (en) * | 2018-11-08 | 2019-03-26 | 中北大学 | The electromagnetic induction detection device of Summoning in a kind of full-automatic Emulsion Explosive Production |
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Application publication date: 20160622 |