CN101881839A - Simple fast-installing type metal detection door - Google Patents
Simple fast-installing type metal detection door Download PDFInfo
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- CN101881839A CN101881839A CN 201010183662 CN201010183662A CN101881839A CN 101881839 A CN101881839 A CN 101881839A CN 201010183662 CN201010183662 CN 201010183662 CN 201010183662 A CN201010183662 A CN 201010183662A CN 101881839 A CN101881839 A CN 101881839A
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Abstract
The invention discloses a simple fast-installing type metal detection door, which comprises a host machine, an emitting coil and a receiving coil, wherein the emitting coil is a square frame of a single-closed loop formed by nonferrous metal sectional materials through annular connection, the emitting coil has two vertical metal pipes in the vertical direction, a sensor is arranged on the emitting coil, the receiving coil is a reverse 8-shpaed framework of a double-closed loop formed by nonferrous metal sectional materials through connection, the receiving coil has three vertical metal pipes at equal intervals in the vertical direction, the middle metal pipe is sheathed and connected with a sensor, the emitting coil and the receiving coil are fixedly connected for forming a door body through a cross beam plate, a transverse plate is connected between the two metal pipes of the emitting coil, the host machine arranged on the transverse plate is connected with the sensor, sectioned pipe fittings and metal plates are connected into the receiving coil and the emitting coil through fast joint, and the coils are directly used as frameworks of the passage type door body and can be fast installed or dismounted. The coils are made into closed loop structures through the nonferrous metal sectional materials, the DC resistance of the coils is lower than the milliohm level, the Q value of the quality factor of the coils is very great, and the detection sensitivity is greatly improved.
Description
Technical field
The present invention relates to the metal detector that safety check is used, a kind of simple fast-installing type metal detection door that uses with assembling especially easy to remove to carry.
Background technology
Door type metal detector is mainly used in human body and whether carries metal, and its rays safety detection apparatus as public places such as airport, customs, station or important events is widely used; Existing door type metal detector existing questions has: 1. the transmitting coil of metal detector, receiving coil all use enameled wire to make, for improving detection sensitivity, receiving coil is all wanted coiling tens, circle enameled wire up to a hundred, existence because of enamel covered wire direct current resistance (ohm level), generation around the big more low more contradiction of detection sensitivity that makes on the contrary of the many more direct current resistances of the number of turns, reason is that the many more direct current resistances of coil quality factor Q value big more, coil is more little, detection sensitivity is low more; 2. existing door type metal detector mostly is installed in the gateway of security check passage and can't moves or move inconvenience, or has the problem of disassembly and assembly inconvenience, brings inconvenience the raising of unfavorable safety check efficient for the setting of the interim security check passage in various places.
Summary of the invention
For addressing the above problem, the present invention is intended to propose a kind of detection sensitivity height, easy installation and removal simple fast-installing type metal detection door efficiently.
The present invention solves the technical scheme that its problem adopts: a kind of simple fast-installing type metal detection door, contain main frame, transmitting coil and receiving coil, it is characterized in that: transmitting coil constitutes single closed-loop path " mouth " glyph framework by non-ferrous metal section bar articulating, on it is vertical is the longitudinal metal pipe of two coaxial quick connections of sectional, and a sensor is installed on the transmitting coil; Receiving the ray circle is " day " glyph framework that is connected and composed two closed-loop paths by the non-ferrous metal section bar, is the longitudinal metal pipe of the coaxial quick connection of three evenly spaced sectionals on it is vertical, is socketed with a sensor on the metal tube of centre; The top of transmitting coil and receiving coil is by body of the affixed formation of header board of two insulation materials; Connect the transverse slat of an insulation material between two metal tubes of transmitting coil, main frame is fixed on the transverse slat, and sensor is connected with cable with main frame.
The top of transmitting coil of the present invention and bottom are two horizontal non-ferrous metal boards, and the transverse metal plate is connected with bolt with the longitudinal metal tube end, constitutes the short-circuited conducting sleeve of a single closed-loop path; Perhaps the top of transmitting coil and bottom are two horizontal nonferrous metal tubes with the identical material of framework, and the end of two transverse metal pipes and transmitting coil longitudinal metal pipe connects and composes the short-circuited conducting sleeve of a single closed-loop path by the fit fast-assembling; It is the structure of two horizontal non-ferrous metal boards that the present invention preferentially adopts the top of transmitting coil and bottom.
The top of receiving coil of the present invention and bottom are two horizontal non-ferrous metal boards, and two transverse metal plates are connected by bolt with three longitudinal metal tube ends, constitute the short-circuited conducting sleeve of a pair of closed-loop path; Or the top of receiving coil and bottom be two horizontal nonferrous metal tubes with the identical material of framework, and the end of two transverse metal Guan Yusan root longitudinal metal pipes connects and composes the short-circuited conducting sleeve of a pair of closed-loop path by the fit fast-assembling; It is the structure of two horizontal non-ferrous metal boards that the present invention preferentially adopts the top of receiving coil and bottom.
Longitudinal metal pipe of the present invention is pipe and is divided into identical two sections of length that these two sections metal tubes screw connection fast by screw thread, realize the quick release shipment or assemble linkage function fast.
Sensor of the present invention is for using the electromagnetic sensor that electromagnetic induction principle is made; When high-frequency ac power is gone up in the connection of the sensor on the transmitting coil, the transmitting coil that closed loop connects produces alternating magnetic field, receiving coil is experienced its alternating magnetic field influence, make the sensor that is installed on the receiving coil produce induced potential, induced potential is amplified and handle, can detect and have or not mobile metal to pass through between transmitting coil and the receiving coil.
Metal tube in the middle of the receiving coil of the present invention is provided with an infrared transmitter, and infrared transmitter is electrically connected with main frame, if there is human body to pass through from the door body, infrared transmitter just produces electric signal startup the present invention and carries out metal detection work.
The invention has the beneficial effects as follows: adopt the pipe fitting of segmentation and sheet metal to be spliced into reception and transmitting coil fast, reception, transmitting coil directly as the skeleton of door body, connect to form channel-type door body by two header boards, realize Fast Installation of the present invention or dismounting; Reception, transmitting coil use the non-ferrous metal section bar to be spliced into closed loop configuration, and the direct current resistance of coil is below the milliohm level, and the coil quality factor Q value is very big, and detection sensitivity improves greatly.
Description of drawings
Fig. 1 is a package assembly stereographic map of the present invention;
Fig. 2 is the perspective view of receiving coil of the present invention;
Fig. 3 is the perspective view of transmitting coil of the present invention;
The accompanying drawing sign is as follows among the figure:
The door body; 2. transmitting coil; 3. receiving coil; 4. longitudinal metal pipe; 5. sheet metal; 6. header board; 7. sensor; 8. transverse slat; 9. main frame; 10. infrared transmitter.
Embodiment
The present invention is further described below in conjunction with drawings and Examples.
As shown in Figure 3, transmitting coil 2 constitutes single closed-loop path " mouth " glyph framework by non-ferrous metal section bar articulating, on it is vertical is the longitudinal metal pipe 4 of two coaxial quick connections of sectional, the top of transmitting coil 2 and bottom are that the end of two horizontal sheet metals, 5, two transverse metal plates 5 and two longitudinal metal pipes 4 connects and composes one by bolt
The short-circuited conducting sleeve of single closed-loop pathOne electromagnetic sensor 7 is installed on the transmitting coil 2, electromagnetic sensor 7 can be installed on any position of this transmitting coil 2, the present invention preferably adopts sensor 7 is connected on the sheet metal 5 at transmitting coil 2 tops, connect the transverse slat 8 of an insulation material between two longitudinal metal pipes 4 of transmitting coil 2, this transverse slat 8 is used to install main frame 9.
As shown in Figure 2, receiving ray circle 3 is " day " glyph framework that connected and composed two closed-loop paths by the non-ferrous metal section bar, on it is vertical is the longitudinal metal pipe 4 of the coaxial quick connection of three evenly spaced sectionals, the top of receiving coil 3 and bottom are that the end of 5, two transverse metal plates 5 of two horizontal sheet metals and three longitudinal metal pipes 4 connects and composes one with bolt
The short-circuited conducting sleeve of two closed-loop paths, on the longitudinal metal pipe 4 of centre, being socketed with an electromagnetic sensor 7, sensor 7 can install and fix in any position of this central longitudinal on metal tube 4, and preferential employing of the present invention is connected the central longitudinal of receiving coil 3 to metal tube 4 tops with sensor 7; Also be provided with an infrared transmitter 10 on the longitudinal metal pipe 4 in the middle of the receiving coil 3, infrared transmitter 10 is used for monitoring has nobody by door body 1 passage, then produces 9 work of electric signal startup main frame if there is the people to pass through a body 1 passage.Aforementioned reception ray circle is pipe with whole longitudinal metal pipes 4 in the transmitting coil 2 and is divided into identical two sections of length, and two sections metal tubes 4 screw fast by screw thread and connect into a metal tube 4.
As shown in Figure 1, the top of transmitting coil 2 and receiving coil 3 body 1 of header board 6 affixed formations by two insulation materials, main frame 9 is fixed on the transverse slat 8, and infrared transmitter 10 is electrically connected with main frame 9, and sensor 7 is connected with main frame 9 usefulness cables; So far finish and of the present inventionly be linked and packed fast.
Describe principle of work of the present invention and concrete enforcement action below in detail.
As shown in Figure 1, during use, open main frame 9 power supplys, as the people by door body 1 when receiving the sense channel that forms at interval between ray circle and the transmitting coil 2, infrared transmitter 10 produces electric signal and starts main frame 9 work, electromagnetic sensor 7 on 9 pairs of transmitting coils 2 of main frame applies a high-frequency alternating current, make transmitting coil 2 produce a high frequency alternating electromagnetic field, under the effect of this high frequency alternating electromagnetic field, receiving coil 3 also produces the high frequency alternating electromagnetic field consistent with transmitting coil 2 technical parameters, if human body carries metal by above-mentioned sense channel, be in then that metal inside can produce vortex flow and loss magnetic field in the electromagnetic field, the magnetic field of receiving coil 3 is changed, make the electromagnetic sensor 7 on the receiving coil 3 produce an induced potential, the signal processor that this induced potential is sent in the main frame 9 carries out processing and amplifying, utilizes the variable quantity of this induced potential to reach the purpose that produces sound and light alarm.
Above embodiment is only for the usefulness that the present invention is described, but not limitation of the present invention, person skilled in the relevant technique under the situation that does not break away from the spirit and scope of the present invention, can also be made various conversion or variation; Therefore, all technical schemes that are equal to also should belong to category of the present invention, are limited by each claim.
Claims (8)
1. a simple fast-installing type metal detection door contains main frame, transmitting coil and receiving coil, it is characterized in that:
Transmitting coil constitutes single closed-loop path " mouth " glyph framework by non-ferrous metal section bar articulating, is the longitudinal metal pipe of two coaxial quick connections of sectional on it is vertical, and a sensor is installed on the transmitting coil;
Receiving the ray circle is " day " glyph framework that is connected and composed two closed-loop paths by the non-ferrous metal section bar, is the longitudinal metal pipe of the coaxial quick connection of three evenly spaced sectionals on it is vertical, is socketed with a sensor on the metal tube of centre;
The top of transmitting coil and receiving coil is by body of the affixed formation of header board of two insulation materials;
Connect the transverse slat of an insulation material between two metal tubes of transmitting coil, main frame is fixed on the transverse slat, and sensor is connected with cable with main frame.
2. a kind of simple fast-installing type metal detection door as claimed in claim 1 is characterized in that: the top of transmitting coil and bottom are two horizontal non-ferrous metal boards, and the transverse metal plate is connected with bolt with the longitudinal metal tube end.
3. a kind of simple fast-installing type metal detection door as claimed in claim 1, it is characterized in that: the top of transmitting coil and bottom are two transverse metal pipes with the identical material of framework, and two transverse metal pipes are connected by the fit fast-assembling with the end of transmitting coil longitudinal metal pipe.
4. a kind of simple fast-installing type metal detection door as claimed in claim 1 is characterized in that: the top of receiving coil and bottom are two horizontal non-ferrous metal boards, and two transverse metal plates are connected by bolt with three longitudinal metal tube ends.
5. a kind of simple fast-installing type metal detection door as claimed in claim 1, it is characterized in that: the top of receiving coil and bottom are two transverse metal pipes with the identical material of framework, and the end of two transverse metal Guan Yusan root longitudinal metal pipes connects by the fit fast-assembling.
6. as the described a kind of simple fast-installing type metal detection door of any one claim in the claim 1 to 5, it is characterized in that: described longitudinal metal pipe is pipe and is divided into identical two sections of length that these two sections metal tubes screw connection fast by screw thread.
7. a kind of simple fast-installing type metal detection door as claimed in claim 1 is characterized in that: described sensor is for using the electromagnetic sensor that electromagnetic induction principle is made.
8. as claim 1 or 4 described a kind of simple fast-installing type metal detection doors, it is characterized in that: the metal tube in the middle of the described receiving coil is provided with an infrared transmitter, and infrared transmitter is electrically connected with main frame.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010101836629A CN101881839B (en) | 2010-05-18 | 2010-05-18 | Simple fast-installing type metal detection door |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010101836629A CN101881839B (en) | 2010-05-18 | 2010-05-18 | Simple fast-installing type metal detection door |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101881839A true CN101881839A (en) | 2010-11-10 |
| CN101881839B CN101881839B (en) | 2012-11-07 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010101836629A Active CN101881839B (en) | 2010-05-18 | 2010-05-18 | Simple fast-installing type metal detection door |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE29721864U1 (en) * | 1997-12-10 | 1998-01-29 | Ebinger Klaus Ing Fa | Framework for a search device |
| CN1361421A (en) * | 2000-12-28 | 2002-07-31 | 株式会社方山技术 | Gun detecting system |
| US20030174057A1 (en) * | 2002-03-12 | 2003-09-18 | Suk-Joon Kim | Firearm detection system including door fixing device |
| 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 |
| CN201698034U (en) * | 2010-05-18 | 2011-01-05 | 漳州市玉山电子制造有限公司 | Simple quickly-assembled metal detecting door |
-
2010
- 2010-05-18 CN CN2010101836629A patent/CN101881839B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE29721864U1 (en) * | 1997-12-10 | 1998-01-29 | Ebinger Klaus Ing Fa | Framework for a search device |
| CN1361421A (en) * | 2000-12-28 | 2002-07-31 | 株式会社方山技术 | Gun detecting system |
| US20030174057A1 (en) * | 2002-03-12 | 2003-09-18 | Suk-Joon Kim | Firearm detection system including door fixing device |
| 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 |
| CN201698034U (en) * | 2010-05-18 | 2011-01-05 | 漳州市玉山电子制造有限公司 | Simple quickly-assembled metal detecting door |
Also Published As
| Publication number | Publication date |
|---|---|
| CN101881839B (en) | 2012-11-07 |
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Effective date of registration: 20230731 Address after: 363000 Floor 2, Building 1, Science Park, Jintang Road, Jinfeng Economic Development Zone, Xiangcheng District, Zhangzhou City, Fujian Province Patentee after: ZHANGZHOU YUSHAN ELECTRONIC MANUFACTURING CO.,LTD. Patentee after: ZHANGZHOU EASTERN INTELLIGENT METER Co.,Ltd. Address before: 363000 Zhangzhou High tech Entrepreneurship Center, Jinfeng Economic Development Zone, Xiangcheng District, Zhangzhou City, Fujian Province Patentee before: ZHANGZHOU YUSHAN ELECTRONIC MANUFACTURING CO.,LTD. |