CN203587818U - Metal detector - Google Patents
Metal detector Download PDFInfo
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- CN203587818U CN203587818U CN201320780415.6U CN201320780415U CN203587818U CN 203587818 U CN203587818 U CN 203587818U CN 201320780415 U CN201320780415 U CN 201320780415U CN 203587818 U CN203587818 U CN 203587818U
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- support
- metal detector
- metal
- electromagnetic signal
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Abstract
The utility model relates to a metal detector comprising a support rack, an emission plate, and a receiving plate. To be specific, the support rack includes a first support, a third support, a second support, and a fourth support, wherein the first support, the third support, the second support, and the fourth support are connected in sequence in an end-to-end mode; and the first support and the second support are in parallel. The emission plate is fixed at the first support and an electromagnetic signal emitter is arranged in the emission plate. And the receiving plate is fixed at the second support; and an electromagnetic signal receiver is arranged in the receiving plate. On the basis of the design, the emission plate and the receiving plate are used as two independent units and are configured and installed in an opposite mode; and a detection channel is formed between the emission plate and the receiving plate and is used for carrying out metal detection. No conduction for shielding is arranged. In the prior art, according to the common metal detector, the emission coil and the receiving coil are connected together and are arranged in a probe; and a metal shielding layer is needed to be arranged outside the probe. Compared with the prior art, the provided metal detector has the advantages of being free of a shielding layer and having high accuracy and a wide application range.
Description
Technical field
The utility model relates to a kind of detector.Relate in particular to a kind of metal detector.
Background technology
Metal detection has a lot of application in life, commercial production, mine locating and military affairs, as the metal object of Underground, locate (detect) amine etc.Metal detector is exactly a kind of instrument that is used for specially surveying metal.Common metal detector mainly consists of detecting head and control circuit.Described detecting head internal emission line circle is placed in the middle, and two identical receiving coil symmetries of parameter are placed on transmitting coil both sides, and detection circuit for access after described two receiving coil differential concatenations, transmitting coil access sine-wave excitation circuit.When near detecting head, nothing conduction or magnetic conductive media pass through, two groups of technical parameters are identical, and the induction electromotive force of the receiving coil of differential concatenation is cancelled out each other, no signal output.When being mixed with metallic impurity in object to be detected, just destroyed the symmetry of transmitting coil both sides alternating magnetic fields, occur uneven.At this moment receiving coil just can produce a high-frequency signal output, and warning detects metal.
In mining industry fragmentation, mineral products processing field, the ironware of sneaking into during for fear of mining affects the work of disintegrating machine, cause device damage, before entering disintegrating machine, ore all to carry out metal detection, pick out the ironware mixing in ore according to the result of detection of metal detector after, again ore is carried out to fragmentation, the security of operation of support equipment.
Granted publication number is CN201676746U, utility model name is called " containing broken to ore deposit automated iron pick-out mechanism in strongly magnetic mineral ", a kind of equipment for removing ferric ion that metal detector and electromagnet group are installed is provided, the travelling belt that transmits ore from the metal detector of this equipment for removing ferric ion and electromagnet group below through out-of-date, if metal detector has detected iron, control system can be controlled electromagnet group ironware is siphoned away, and guarantees to enter in the ore of disintegrating machine the not metalwork such as iron content.And wanting to guarantee that electromagnet group accurately works, the metal detection work in early stage just need to have very high accuracy and sensitivity.At present, in order to prevent the impact of undesired signal on metal detector, need to, with the metallic conductor residing housing parcel shielding of being popped one's head in, to isolate the impact of travelling belt passage notch external electromagnetic field, get rid of the interference of non-detecting area metal signal and other signal.But the import and export of metal detector can not be sealed again, just there is contradiction in this, and in this case, it is very difficult wanting to obtain shielding completely.In order to obtain good shield effectiveness, be generally to adopt the mode that strengthens shield ranges.Simultaneously, in view of the magnetic line of force has the characteristic that tends to concentrate on magnetic conductor, just must make will have enough distances between coil and screen layer, and just can avoid causing surveying because Distribution of Magnetic Field is inhomogeneous the detection sensitivity of each point on cross section had the phenomenon of big-difference, avoided the appearance of detection blind area.But the distance that no matter strengthens shield ranges and still increase coil and screen layer, all can promote cost, increase the pressure of enterprise.
Utility model content
For this reason, technical problem to be solved in the utility model is in prior art that metal detector improves accuracy meeting and causes cost to increase by doing screen layer, thereby provides a kind of without screen layer, the metal detector that accuracy is high.
For solving the problems of the technologies described above, the technical solution of the utility model is as follows:
The utility model provides a kind of metal detector, comprising:
Bracing frame, it comprises the first support, the 3rd support, the second support and the 4th support that head and the tail are connected in turn, wherein said the first support and described the second support be arranged in parallel;
Expelling plate, is fixed on described the first support, and it is built-in with electromagnetic signal emitting device;
Dash receiver, is fixed on described the second support, and it is built-in with electromagnetic signal receiver.
Metal detector described in the utility model, described the first support, described the 3rd support, described the second support and described the 4th support are realized head and the tail by bolt and are fastenedly connected in turn.
Metal detector described in the utility model, described the first support, described the 3rd support, described the second support and described the 4th support are realized head and the tail by welding and are fastenedly connected in turn.
Metal detector described in the utility model, on described the first support, at least one group of every relative side, be provided with two adjusting bolts, be flexibly connected with described expelling plate, by regulating the position of expelling plate described in the depth adjustment of expelling plate described in described adjusting bolt precession.
Metal detector described in the utility model, described electromagnetic signal emitting device is transmitting coil;
Described electromagnetic signal receiver is receiving coil.
Metal detector described in the utility model, described receiving coil is by " 8 word " coiling.
Technique scheme of the present utility model has the following advantages compared to existing technology:
(1) metal detector described in the utility model, comprises bracing frame, and it comprises the first support, the 3rd support, the second support and the 4th support that head and the tail are connected in turn, and wherein, described the first support and described the second support be arranged in parallel; Expelling plate, is fixed on described the first support, and it is built-in with electromagnetic signal emitting device; Dash receiver, is fixed on described the second support, and it is built-in with electromagnetic signal receiver.By this design, described expelling plate and described dash receiver are divided into two independent parts, configuration is installed relatively, in the middle of it, forms sense channel, can be used for carrying out metal detection, and periphery is without conductor shielding.And common metal detector, its transmitting coil and receiving coil disjunctor are arranged in probe, and need to do metal screen layer in probe outside.Compared to prior art, it is a kind of without screen layer that the utility model provides, and accuracy is high, the metal detector of applied range.
(2) metal detector described in the utility model, described the first support, described the 3rd support, described the second support and described the 4th support are realized head and the tail by bolt and are fastenedly connected in turn or are realized and being fastenedly connected in turn from beginning to end by welding.Can split at any time as required disintegration.By this design, metal detector described in the utility model can be installed on miscellaneous equipment very easily, is used in conjunction with miscellaneous equipment.
(3) metal detector described in the utility model, on described the first support, at least one group of every relative side, be provided with two adjusting bolts, be flexibly connected with described expelling plate, by regulating the position of expelling plate described in the depth adjustment of expelling plate described in described adjusting bolt precession.By this design, can with respect to described dash receiver, do Precision trimming by described four adjusting bolts, to regulate the balance that receives signal.
Accompanying drawing explanation
For content of the present utility model is more likely to be clearly understood, according to specific embodiment of the utility model also by reference to the accompanying drawings, the utility model is described in further detail, wherein below
Fig. 1 is the stereographic map of metal detector described in the utility model when application;
Fig. 2 is the front view of metal detector described in the utility model when application;
Fig. 3 is the sectional view of metal detector described in the utility model when application;
Fig. 4 is the vertical view of the receiving coil of metal detector described in the utility model.
In figure, Reference numeral is expressed as: 1-probe, 2-bracing frame, 3-Belt Conveying frame, 4-travelling belt, 5-groove profile carrier roller, 11-expelling plate, 12-dash receiver, 21-top support, 22-bottom support, 23-the first side plate, 24-the second side plate, 61-housing, 62-8 word coil, 63-ceoncentrically wound coil, 211-setting nut.
Embodiment
Embodiment 1
The present embodiment provides a kind of metal detector, as shown in Figure 1, Figure 2, Figure 3 shows, comprising:
As the optional embodiment of one, during use, described the second support 22 can be fixed on the base of described Belt Conveying frame 3, described the 3rd support 23 and described the 4th support 24 are fixed on described the second support 22 both sides, and are respectively on two row parallel metal framves on described Belt Conveying frame 3 bases.Described the first support 21, be fixed on the upper end of described the 3rd support 23 and described the 4th support 24, be arranged in parallel with described the second support 22, two row's groove profile carrier rollers 5, be fixed on the base of described Belt Conveying frame 3, lay respectively at input port and the output port of this metal detector.By this design; can make travelling belt carry through described groove profile carrier roller 5; from this metal detector, pass; be the top that expelling plate 11 on described the first support 21 is positioned at travelling belt; dash receiver 12 on described the second support 22 is positioned at the bottom of travelling belt, thereby can carry out metal detection to the ore transmitting on travelling belt, by the metal mixing in ore; such as iron detects and goes out by artificial or mechanical mode, thereby can be good at protecting the equipment such as ore grinding.Certainly, as the optional embodiment of another kind, described expelling plate 11 and described dash receiver 12 also can be installed on respectively on described the 3rd support 23 and described the 4th support 24.
During detection, described expelling plate 11 and described dash receiver 12 by control device to described metal detector are controlled.As the optional embodiment of one, described control device comprises power module, intelligence microcontroller, high frequency oscillator, oscillating detector, Audio Controller, power amplifier and message output module, when metal detector utilizes electromagnetic induction to detect metal, when being mixed with the ore of metal and being transported to metal detector search coverage by travelling belt 4, search coverage alternating magnetic field is interfered, thereby the output terminal that makes dash receiver 12 has the alternating voltage output of a faint variation, this voltage signal is by intelligent microcontroller, through supervisory routine comparison, after judging, output alarm trigger pip is to Audio Controller, report to the police.
As the optional embodiment of one, the metal detector described in the present embodiment, described electromagnetic signal emitting device is transmitting coil; Described electromagnetic signal receiver is receiving coil.
Due to transmitting coil and receiving coil be split separately independently, form detection channels in the middle of relatively after configuration, without disconnecting travelling belt, extremely easy to use while therefore installing.And the width of passage can regulate as required, in the detecting area of passage, the intensity of signal can not have because metal object position is different very big-difference substantially.If metal object is nearer apart from transmitting coil, relatively far away apart from receiving coil, otherwise, nearer apart from receiving coil, far away apart from transmitting coil, so the power of signal is consistent substantially, can not change because metal object present position is different.The size of test surface is determined by the width of coil substantially, it can be narrowed down to sufficient size, thereby can determine more accurately the position of metal object, and sensitivity and resolution all greatly improve.
As one preferred embodiment, as shown in Figure 4, metal detector described in the present embodiment, described receiving coil is by " 8 word " coiling, comprise the housing 61 for coiling, by the 8 word coils 62 of " 8 word " coiling, and be wound in described 8 word coil 62 peripheries, and concentric ceoncentrically wound coil 63.Therefore, receiving coil is the symmetrical coiling in both sides, and counterbalance effect is very good.
On the basis of embodiment 1, as shown in Figure 1, Figure 2, Figure 3 shows, as one preferred embodiment, metal detector described in the present embodiment, described the first support 21, described the 3rd support 23, described the second support 22 and described the 4th support 24 are realized head and the tail by bolt and are fastenedly connected in turn.
As the optional embodiment of another kind, the metal detector described in the present embodiment, described the first support 21, described the 3rd support 23, described the second support 22 and described the 4th support 24 are realized head and the tail by welding and are fastenedly connected in turn.
Therefore, the metal detector described in the present embodiment, can split disintegration as required at any time.By this design, metal detector can be installed on miscellaneous equipment very easily described in the present embodiment, is used in conjunction with miscellaneous equipment.
As one preferred embodiment, metal detector described in the present embodiment, on described the first support 21, at least one group of every relative side, be provided with two adjusting bolts 211, be flexibly connected with described expelling plate 11, by regulating the position of expelling plate 11 described in the depth adjustment of expelling plate 11 described in described adjusting bolt 211 precessions.
As the optional embodiment of another kind, metal detector described in the present embodiment, on described the second support 22, at least one group of every relative side, be provided with two adjusting bolts 211, be flexibly connected with described dash receiver 12, by regulating the position of dash receiver 12 described in the depth adjustment of dash receiver 12 described in described adjusting bolt 211 precessions.
Metal detector described in the present embodiment, can do Precision trimming to described dash receiver 11 and/or described dash receiver 12 by described four adjusting bolts 211, to regulate the balance that receives signal.
As the optional embodiment of one, the metal detector described in the present embodiment, described the first support 21, described the 3rd support 23, described the second support 22 and described the 4th support 24, for hollow out designs, can be saved material, reduce production costs.
Obviously, above-described embodiment is only for example is clearly described, and the not restriction to embodiment.For those of ordinary skill in the field, can also make other changes in different forms on the basis of the above description.Here without also giving exhaustive to all embodiments.And among the protection domain that the apparent variation of being extended out thus or variation are still created in the utility model.
Claims (6)
1. a metal detector, is characterized in that, comprising:
Bracing frame (2), it comprises the first support (21), the 3rd support (23), the second support (22) and the 4th support (24) that head and the tail are connected in turn, wherein said the first support (21) be arranged in parallel with described the second support (22);
Expelling plate (11), is fixed on described the first support (21) upper, and it is built-in with electromagnetic signal emitting device;
Dash receiver (12), is fixed on described the second support (22) upper, and it is built-in with electromagnetic signal receiver.
2. metal detector according to claim 1, is characterized in that:
Described the first support (21), described the 3rd support (23), described the second support (22) and described the 4th support (24) are realized head and the tail by bolt and are fastenedly connected in turn.
3. metal detector according to claim 1, is characterized in that:
Described the first support (21), described the 3rd support (23), described the second support (22) and described the 4th support (24) are realized head and the tail by welding and are fastenedly connected in turn.
4. according to the arbitrary described metal detector of claim 1-3, it is characterized in that:
On upper at least one group of every the relative side of described the first support (21), be provided with two adjusting bolts (211), be flexibly connected with described expelling plate (11), by regulating the position of expelling plate (11) described in the depth adjustment of expelling plate (11) described in described adjusting bolt (211) precession.
5. metal detector according to claim 4, is characterized in that:
Described electromagnetic signal emitting device is transmitting coil;
Described electromagnetic signal receiver is receiving coil.
6. metal detector according to claim 5, is characterized in that: described receiving coil is by " 8 word " coiling.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320780415.6U CN203587818U (en) | 2013-12-02 | 2013-12-02 | Metal detector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320780415.6U CN203587818U (en) | 2013-12-02 | 2013-12-02 | Metal detector |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203587818U true CN203587818U (en) | 2014-05-07 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320780415.6U Expired - Fee Related CN203587818U (en) | 2013-12-02 | 2013-12-02 | Metal detector |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203587818U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106443797A (en) * | 2015-08-11 | 2017-02-22 | 田中清作 | Metal detector |
| CN107797151A (en) * | 2017-12-20 | 2018-03-13 | 福建省麦雅数控科技有限公司 | A kind of reverse buckling type metal detection probe |
| CN112703430A (en) * | 2018-07-16 | 2021-04-23 | 亚历山大·曼内斯基 | Combined detector for detecting metal and magnetized target object |
-
2013
- 2013-12-02 CN CN201320780415.6U patent/CN203587818U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106443797A (en) * | 2015-08-11 | 2017-02-22 | 田中清作 | Metal detector |
| TWI614516B (en) * | 2015-08-11 | 2018-02-11 | Tanaka Seisaku | Metal detector |
| CN106443797B (en) * | 2015-08-11 | 2020-11-20 | 田中清作 | Metal detector |
| CN107797151A (en) * | 2017-12-20 | 2018-03-13 | 福建省麦雅数控科技有限公司 | A kind of reverse buckling type metal detection probe |
| CN112703430A (en) * | 2018-07-16 | 2021-04-23 | 亚历山大·曼内斯基 | Combined detector for detecting metal and magnetized target object |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140507 Termination date: 20161202 |