[go: up one dir, main page]

CN107123850B - A kind of receiving antenna and manufacturing method for underground intelligent switch tool - Google Patents

A kind of receiving antenna and manufacturing method for underground intelligent switch tool Download PDF

Info

Publication number
CN107123850B
CN107123850B CN201510726490.8A CN201510726490A CN107123850B CN 107123850 B CN107123850 B CN 107123850B CN 201510726490 A CN201510726490 A CN 201510726490A CN 107123850 B CN107123850 B CN 107123850B
Authority
CN
China
Prior art keywords
antenna
sealing
encapsulating layer
high pressure
sealing ring
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
CN201510726490.8A
Other languages
Chinese (zh)
Other versions
CN107123850A (en
Inventor
王恒
韩颖平
白玉新
罗翔
韩志富
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Beijing Research Institute of Precise Mechatronic Controls
Original Assignee
Beijing Research Institute of Precise Mechatronic Controls
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Beijing Research Institute of Precise Mechatronic Controls filed Critical Beijing Research Institute of Precise Mechatronic Controls
Priority to CN201510726490.8A priority Critical patent/CN107123850B/en
Publication of CN107123850A publication Critical patent/CN107123850A/en
Application granted granted Critical
Publication of CN107123850B publication Critical patent/CN107123850B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01QANTENNAS, i.e. RADIO AERIALS
    • H01Q1/00Details of, or arrangements associated with, antennas
    • H01Q1/12Supports; Mounting means
    • H01Q1/14Supports; Mounting means for wire or other non-rigid radiating elements
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01QANTENNAS, i.e. RADIO AERIALS
    • H01Q1/00Details of, or arrangements associated with, antennas
    • H01Q1/40Radiating elements coated with or embedded in protective material
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01QANTENNAS, i.e. RADIO AERIALS
    • H01Q1/00Details of, or arrangements associated with, antennas
    • H01Q1/50Structural association of antennas with earthing switches, lead-in devices or lightning protectors
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01QANTENNAS, i.e. RADIO AERIALS
    • H01Q1/00Details of, or arrangements associated with, antennas
    • H01Q1/52Means for reducing coupling between antennas; Means for reducing coupling between an antenna and another structure

Landscapes

  • Support Of Aerials (AREA)

Abstract

The invention belongs to areal receiver-array antenna technical fields, and in particular to a kind of receiving antenna and manufacturing method for underground intelligent switch tool;Including connection sealing column (1), antenna base (2), high pressure sealing attachment device (3), coil (5), encapsulating layer (6) and antenna frame (7);Wherein antenna frame (7) the circle of position cylinder, coil (5) is fixed on the lateral wall of antenna frame (7) by encapsulating layer (6) sealing, antenna frame (7) one end is spirally connected with antenna base (2), antenna base (2) edge laterally processes a through-hole along antenna frame (7), the through-hole is plugged with high-pressure sealed attachment device (3) close to one end of antenna frame (7), the other end is equipped with connection sealing column (1), and the connection sealing column (1) connect with RFID card reading circuit.

Description

A kind of receiving antenna and manufacturing method for underground intelligent switch tool
Technical field
The invention belongs to areal receiver-array antenna technical fields, and in particular to a kind of reception for underground intelligent switch tool Antenna and manufacturing method.
Background technique
Staged fracturing generally uses ball-throwing type staged fracturing at present, and there are non-full-bores, pitching pressure break for this pressure break mode After return ball is difficult, need it is lower again bore the drawbacks such as milling ball seat, pressure break time is long, be gradually difficult to the need for meeting market to pressure break It asks.RFID intelligence fracturing sliding bush solve the problems, such as it is above-mentioned, usually be used for access control system radio frequency card reader be integrated into well It on fracturing sliding sleeve, uses the electric hydaulic energy for power, only need to launch corresponding RF ID instruction label from well, can replace throwing The complex operations such as ball complete the movement of respective switch well, this just needs to receive label signal using RFID antenna.Traditional antenna master The reception for realizing signal, due to the big adverse circumstances of underground high temperature, high pressure, high humidity, high corrosion, scouring intensity and antenna gold Belong to the influence of shell, it is difficult to meet actual needs.
Therefore a antenna that can quickly receive RFID signal under the severe environmental conditions of underground is urgently designed, set simultaneously Count a kind of manufacturing method of antenna.
Summary of the invention
The purpose of the present invention, in view of the shortcomings of the prior art, providing a kind of suitable for high temperature, high pressure, high humidity, high corrosion, punching Under conditions of brush intensity overall situation and antenna metal shell influence, with full-bore, the quick underground for receiving RFID label tag signal The receiving antenna and manufacturing method of intelligent switch tool.
The technical scheme is that
A kind of receiving antenna for underground intelligent switch tool, including connection sealing column, antenna base, high pressure sealing company Connection device, coil, encapsulating layer and antenna frame;The wherein antenna frame circle of position cylinder, coil are fixed by the sealing of encapsulating layer On the lateral wall of antenna frame, antenna frame one end is spirally connected with antenna base, and antenna base edge laterally adds along antenna frame One through-hole of work, the through-hole are plugged with high-pressure sealed attachment device close to one end of antenna frame, and the other end is equipped with connection sealing Column, the connection sealing column are connect with RFID card reading circuit.
The sealed connection column includes being tightly connected column shell, sealing ring A, sealing ring B, sealing ring C and sealing ring D;Its Described in connecting column shell be the thinner hollow cylinder in one end, open on thinner end there are two seal groove, seal groove D is set to and leans on In the seal groove of nearly thinner end end face, the sealing ring C is set on thinner end in another seal groove;The connecting column shell compared with It opens on thick one end there are two seal groove, wherein close compared with sealing ring A is equipped in the seal groove of butt end end face, compared with butt end, another is close Sealing ring B is equipped in sealing groove.
The high pressure sealing attachment device includes high pressure sealing contact pin, sealing ring E, sealing ring F, high-pressure sealing jack and height Means of press seals gum cover;Wherein the high pressure sealing contact pin holds out against high-pressure sealing jack inside high pressure sealing gum cover, the high pressure Sealing contact pin and high-pressure sealing jack are set to inside high pressure sealing gum cover, are opened on high pressure sealing contact pin there are two slot, wherein close Seal E is provided close in the slot of high-pressure sealing jack one end, and seal groove F is set in another slot;The high pressure sealing contact pin two Pin there are two setting is held, wherein in the jack on the pin insertion high-pressure sealing jack at the end sealing ring E.
The encapsulating layer includes encapsulating layer A, magnetic conduction cloth, encapsulating layer B and adhesive tape;Wherein encapsulating layer A is by coil encapsulating in day On the outside of line skeleton, it is equipped with layer magnetic conduction cloth on the outside of encapsulating layer A, is equipped with one layer of encapsulating layer B, the encapsulating layer B on the outside of the magnetic conduction cloth Outside is tied with adhesive tape.
The winding process of antenna frame the following steps are included:
Step 1 will calculate intermediate groove section of the coil uniform winding in antenna frame of parameter, use epoxide-resin glue Band is wrapped on coil, winding-circle, is formed by curing encapsulating layer A;
Step 2, the uniform winding magnetic conduction cloth on encapsulating layer A wind thickness .-mm;
Step 3, winds epoxy resin adhesive tape on magnetic conduction cloth, and winding-circle is formed by curing encapsulating layer B;
Step 4 winds high temperature gummed tape on encapsulating layer B.
The circle number that epoxy resin adhesive tape is wound on the coil can be adjusted according to time demand;Encapsulating layer on the magnetic conduction cloth The thickness of A is not limited to be adjusted according to actual condition;On the magnetic conduction cloth wind epoxy resin adhesive tape, winding circle number according to can when Between adjust.
The antenna frame (7) is made of PEEK material.
The beneficial effects of the present invention are:
1. the present invention uses PEEK material skeleton, multilayer encapsulation technology ensure that antenna in high temperature, high pressure, high humidity, high corruption Normal work under erosion, scouring intensity overall situation.
2. being wound with magnetic conduction cloth on aerial coil, influence of the antenna metal shell to antenna is reduced;Aerial coil passes through High pressure sealing attachment device and sealed connection column are connect with RFID circuit, ensure that the leakproofness of connection;
3. can be widely applied with intelligent fracturing sliding bush, down-hole switch tool etc., while the configuration of the present invention is simple, operation side Just.
Detailed description of the invention
Fig. 1 is a kind of receiving antenna structure chart for underground intelligent switch tool;
Fig. 2 is encapsulating schematic diagram of a layer structure;
Fig. 3 is connection sealing column, antenna base and high pressure sealing attachment device assembling relationship figure.
Specific embodiment
With reference to the accompanying drawing with embodiment to a kind of receiving antenna for underground intelligent switch tool proposed by the present invention And manufacturing method is further introduced:
A kind of receiving antenna 4 for underground intelligent switch tool, including connection sealing column 1, antenna base 2, high densification Seal attachment device 3, coil 5, encapsulating layer 6 and antenna frame 7;Wherein the 7 circle of position cylinder of antenna frame, coil 5 pass through encapsulating 6 sealing of layer is fixed on the lateral wall of antenna frame 7, and 7 one end of antenna frame is spirally connected with antenna base 2,2 edge edge of antenna base Laterally one through-hole of processing, the through-hole are plugged with high-pressure sealed attachment device 3 close to one end of antenna frame 7 to antenna frame 7, separately One end is equipped with connection sealing column 1, and the connection sealing column 1 is connect with RFID card reading circuit.
The sealed connection column 1 includes being tightly connected column shell 14, sealing ring A12, sealing ring B13, sealing ring C15 and close Seal D16;Wherein the connecting column shell 14 is the thinner hollow cylinder in one end, is opened on thinner end there are two seal groove, Seal groove D16 is provided close in the seal groove of thinner end end face, and the sealing ring C15 is set to another seal groove on thinner end In;It is opened on the thicker one end of the connecting column shell 14 there are two seal groove, wherein being equipped in the close seal groove compared with butt end end face Sealing ring A12, compared in another seal groove of butt end be equipped with sealing ring B13.
The high pressure sealing attachment device 3 includes high pressure sealing contact pin 17, sealing ring E18, sealing ring F19, high pressure sealing Socket 20 and high pressure sealing gum cover 21;Wherein the high pressure sealing contact pin 17 holds out against high-pressure sealing jack 20 in high pressure sealing glue Inside set 21, the high pressure sealing contact pin 17 and high-pressure sealing jack 20 are set to inside high pressure sealing gum cover 21, high pressure sealing Slot there are two opening on contact pin 17, wherein sealing ring E18 is provided close in the slot of 20 one end of high-pressure sealing jack, and seal groove F19 is set In in another slot;17 both ends of high pressure sealing contact pin are set there are two pin, wherein the pin close to the end sealing ring E18 is inserted into high pressure In jack on seal socket 20.
The encapsulating layer 6 includes encapsulating layer A8, magnetic conduction cloth 9, encapsulating layer B10 and adhesive tape 11;Wherein encapsulating layer A8 is by coil 5 Encapsulating is equipped with layer magnetic conduction cloth 9 on the outside of 7 outside of antenna frame, encapsulating layer A8, is equipped with one layer of encapsulating layer on the outside of the magnetic conduction cloth 9 Adhesive tape 11 is tied on the outside of B10, the encapsulating layer B10.
The winding process of antenna frame 7 the following steps are included:
Step 1 will calculate intermediate groove section of the coil uniform winding in antenna frame of parameter, use epoxide-resin glue Band is wrapped on coil 5, and winding 1-3 circle is formed by curing encapsulating layer A8;
Step 2, the uniform winding magnetic conduction cloth 9 on encapsulating layer A8 wind thickness 0.1-1mm;
Step 3, winds epoxy resin adhesive tape on magnetic conduction cloth 9, and winding 3-5 circle is formed by curing encapsulating layer B10;
Step 4 winds high temperature gummed tape 11 on encapsulating layer B10.
The circle number that epoxy resin adhesive tape is wound on the coil 5 can be adjusted according to time demand;Encapsulating on the magnetic conduction cloth 9 The thickness of layer A8 is not limited to be adjusted according to actual condition;On the magnetic conduction cloth 9 wind epoxy resin adhesive tape, winding circle number according to It can adjust time.
The antenna frame 7 is made of PEEK material.
A kind of receiving antenna 4 for underground intelligent switch tool includes: connection sealing column 1, antenna base 2, high densification Seal attachment device 3, coil 5, encapsulating layer 6 and antenna frame 7.Being tightly connected column 1 includes: to be tightly connected column shell 14, sealing ring A12, sealing ring B13, sealing ring C15 and sealing ring D16;High pressure sealing attachment device 3 includes: high pressure sealing contact pin 17, sealing Enclose E18, sealing ring F19, high-pressure sealing jack 20 and high pressure sealing gum cover 21.PEEK material skeleton is processed into cylindrical shape, is cut Face shape isGroove suggestion is in 8mm depth but is not limited only to 8mm, can adjust according to the actual situation, groove length suggestion Not less than 1000mm, but it is not limited only to 1000mm, is calculated according to mud speed rate and FRID signal identification speed, antenna frame 7 One end processes screw thread, and purpose is connect with antenna base 2.A through-hole is processed on antenna base 2, with high pressure sealing attachment device 3 Connecting pin is threaded, and high pressure sealing attachment device 3 is threadedly secured on antenna base 2 by purpose.It is tightly connected column 1 On be machined with through-hole and 4 seal grooves, be respectively used to put sealing ring A12, sealing ring B13, sealing ring C14 and sealing ring D15, mesh In order to guarantee to be tightly connected column 1 and switch the leakproofness between valve body and antenna base 2.
Intermediate groove section of the coil uniform winding in antenna frame of parameter will be calculated, is wrapped in epoxy resin adhesive tape On coil 5, it is proposed that winding 1-3 encloses but be not limited to 1-3 circle, adjustable according to time demand, is formed by curing encapsulating layer A8, purpose is solid Alignment circle, while playing the protective effect to coil;The uniform winding magnetic conduction cloth 9 on encapsulating layer A8, it is proposed that winding thickness 0.1- 1mm but it is not limited only to 0.1-1mm, be adjusted according to the actual situation, purpose reduces influence of the antenna metal shell to antenna, enhancing The signal strength of antenna at work;Epoxy resin adhesive tape is wound on magnetic conduction cloth 9, it is proposed that winding 3-5 is enclosed but is not limited to 3-5 Circle, it is adjustable according to time demand, it is formed by curing encapsulating layer B10, purpose protects magnetic conduction cloth 9, while also functioning to entire coil Protective effect;In the upper winding High temperature-resistanadhesive adhesive tape 11 of encapsulating layer B10, purpose plays a protective role high temperature gummed tape 11 to encapsulating layer It can not be wound according to actual conditions;
Antenna base 2 is connected as entirety by screw thread and antenna frame 7, aerial coil pass through high pressure sealing gum cover 21 with High-pressure sealing jack 20 links together;High pressure sealing contact pin 17 is threadedly attached in antenna base 2, sealing ring E18 and close Seal F19 plays the sealing function between high pressure sealing contact pin 17 and antenna base 2, prevents fracturing fluid from entering in sealing contact pin, high Means of press seals socket 20 is inserted in high pressure sealing contact pin 17, while high pressure sealing gum cover 21 is also inserted in high pressure by high-pressure sealing jack 20 It seals on contact pin 17, plays sealing function, prevent fracturing fluid from entering in sealing contact pin.High pressure connection sealing column 1 is inserted in antenna base It on seat 2, is sealed by sealing ring C15 and sealing ring D16, prevents fracturing fluid from entering connection sealing column 1, connection sealing column 1 is another End is inserted on switch valve body, is sealed by sealing ring A12 and sealing ring B13, is prevented fracturing fluid access switch valve body;Antenna After coil 5 passes through high pressure sealing attachment device 3, the inner cavity by connecting sealing column 1 is connect with RFID card reading circuit.

Claims (5)

1. a kind of receiving antenna (4) for underground intelligent switch tool, it is characterised in that: including connecting sealing column (1), antenna Pedestal (2), high pressure sealing attachment device (3), coil (5), encapsulating layer (6) and antenna frame (7);The wherein antenna frame It (7) is cylindrical body, coil (5) is fixed on the lateral wall of antenna frame (7) by encapsulating layer (6) sealing, antenna frame (7) one End is spirally connected with antenna base (2), and along antenna frame (7), laterally one through-hole of processing, the through-hole are close at antenna base (2) edge One end of antenna frame (7) is plugged with high-pressure sealed attachment device (3), and the other end is equipped with connection sealing column (1), the connection sealing Column (1) is connect with RFID card reading circuit;
The connection sealing column (1) includes being tightly connected column shell (14), sealing ring A (12), sealing ring B (13), sealing ring C (15) and sealing ring D (16);Wherein the connecting column shell (14) is the thinner hollow cylinder in one end, is provided on thinner end Two seal grooves, sealing ring D (16) are provided close in the seal groove of thinner end end face, and the sealing ring C (15) is set to thinner end In another upper seal groove;It is opened on the thicker one end of the connecting column shell (14) there are two seal groove, wherein close compared with butt end end Sealing ring A (12) are equipped in the seal groove in face, are equipped with sealing ring B (13) compared in another seal groove of butt end;
The high pressure sealing attachment device (3) includes high pressure sealing contact pin (17), sealing ring E (18), sealing ring F (19), high pressure Seal socket (20) and high pressure sealing gum cover (21);Wherein the high pressure sealing contact pin (17) holds out against high-pressure sealing jack (20) Internal in high pressure sealing gum cover (21), the high pressure sealing contact pin (17) and high-pressure sealing jack (20) are set to high pressure sealing glue Cover (21) it is internal, open that there are two slots on high pressure sealing contact pin (17), wherein sealing ring E (18) is provided close to high-pressure sealing jack (20) in the slot of one end, sealing ring F (19) is set in another slot;High pressure sealing contact pin (17) both ends are set there are two pin, Wherein in the jack in pin insertion high-pressure sealing jack (20) at sealing ring E (18) end.
2. a kind of receiving antenna for underground intelligent switch tool as described in claim 1, it is characterised in that: the encapsulating Layer (6) includes encapsulating layer A (8), magnetic conduction cloth (9), encapsulating layer B (10) and adhesive tape (11);Wherein encapsulating layer A (8) fills coil (5) It is encapsulated on the outside of antenna frame (7), one layer of magnetic conduction cloth (9) is equipped on the outside of encapsulating layer A (8), is equipped with one layer on the outside of the magnetic conduction cloth (9) Encapsulating layer B (10), encapsulating layer B (10) outside are tied with adhesive tape (11).
3. a kind of receiving antenna for underground intelligent switch tool according to claim 1, it is characterised in that: the day Line skeleton (7) is made of PEEK material.
4. a kind of manufacturing method of the receiving antenna for underground intelligent switch tool as described in claim 1, feature exist In: antenna frame (7) winding process the following steps are included:
Step 1 will calculate intermediate groove section of the coil uniform winding in antenna frame of parameter, be twined with epoxy resin adhesive tape It is wound on coil (5), winding 1-3 circle is formed by curing encapsulating layer A (8);
Step 2, the uniform winding magnetic conduction cloth (9) on encapsulating layer A (8) wind thickness 0.1-1mm;
Step 3, winds epoxy resin adhesive tape on magnetic conduction cloth (9), and winding 3-5 circle is formed by curing encapsulating layer B (10);
Step 4 winds high temperature gummed tape (11) on encapsulating layer B (10).
5. a kind of manufacturing method of the receiving antenna for underground intelligent switch tool as claimed in claim 4, feature exist In: the circle number that epoxy resin adhesive tape is wound on the coil (5) can be adjusted according to time demand;Encapsulating on the magnetic conduction cloth (9) The thickness of layer A (8) can be adjusted according to actual condition;Epoxy resin adhesive tape is wound on the magnetic conduction cloth (9), winding circle number can basis Time adjustment.
CN201510726490.8A 2016-02-24 2016-02-24 A kind of receiving antenna and manufacturing method for underground intelligent switch tool Active CN107123850B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201510726490.8A CN107123850B (en) 2016-02-24 2016-02-24 A kind of receiving antenna and manufacturing method for underground intelligent switch tool

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201510726490.8A CN107123850B (en) 2016-02-24 2016-02-24 A kind of receiving antenna and manufacturing method for underground intelligent switch tool

Publications (2)

Publication Number Publication Date
CN107123850A CN107123850A (en) 2017-09-01
CN107123850B true CN107123850B (en) 2019-06-18

Family

ID=59716944

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201510726490.8A Active CN107123850B (en) 2016-02-24 2016-02-24 A kind of receiving antenna and manufacturing method for underground intelligent switch tool

Country Status (1)

Country Link
CN (1) CN107123850B (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110265784B (en) * 2018-03-12 2021-02-26 中国石油化工股份有限公司 Antenna device of drilling instrument
CN109066049A (en) * 2018-07-18 2018-12-21 卢氏县地质勘查研究所 A kind of nuclear magnetic resonance efficient nano ceramics transmitting antenna

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4766442A (en) * 1986-06-12 1988-08-23 Geoservices Antenna structure for use with a transmitter located at a great depth
CN201407345Y (en) * 2009-04-30 2010-02-17 浙江关西电机有限公司 Sealing device
CN102904005A (en) * 2012-10-29 2013-01-30 中国石油天然气股份有限公司 Underground signal receiving antenna and manufacturing method thereof
CN104681915A (en) * 2014-09-13 2015-06-03 北京精密机电控制设备研究所 Severe environment resistance antenna device
CN104733863A (en) * 2015-02-09 2015-06-24 中国石油天然气集团公司 Cross-well electromagnetism logging instrument emitter and emitting antenna thereof

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4766442A (en) * 1986-06-12 1988-08-23 Geoservices Antenna structure for use with a transmitter located at a great depth
CN201407345Y (en) * 2009-04-30 2010-02-17 浙江关西电机有限公司 Sealing device
CN102904005A (en) * 2012-10-29 2013-01-30 中国石油天然气股份有限公司 Underground signal receiving antenna and manufacturing method thereof
CN104681915A (en) * 2014-09-13 2015-06-03 北京精密机电控制设备研究所 Severe environment resistance antenna device
CN104733863A (en) * 2015-02-09 2015-06-24 中国石油天然气集团公司 Cross-well electromagnetism logging instrument emitter and emitting antenna thereof

Also Published As

Publication number Publication date
CN107123850A (en) 2017-09-01

Similar Documents

Publication Publication Date Title
CN107123850B (en) A kind of receiving antenna and manufacturing method for underground intelligent switch tool
CN102024175A (en) Biface smart card and manufacture method thereof
CN105914008A (en) Large current power inductor and manufacture method thereof
CN104681915B (en) The antenna assembly of adverse environment resistant
CN201556224U (en) RFID micro electronic tag suitable for being buried in metal body
CN206309765U (en) A kind of ball-joint attachment structure of electric tail gate strut
CN201489564U (en) A miniature RFID glass tube electronic tag
KR101232517B1 (en) Method for manufacturing ear tag for identifyng domestic animals
CN201789006U (en) Seal structure of cylindrical lithium battery
CN102034129A (en) Ultrahigh-frequency electronic ear tag and manufacturing method thereof
CN212627605U (en) Vacuum filling and sealing equipment for new energy motor
CN201903901U (en) RFID e-tag for petroleum drilling tool
CN206162603U (en) A under instructing, RFID passes device that is used for formation testing in pit to ask product instrument
CN208400719U (en) A kind of PCB thin film capacitor
CN214377948U (en) Module power supply plane transformer magnetic core bonding tool
CN101447036A (en) Micro-module for noncontact intelligent electronic label and carrier band thereof
CN205452784U (en) Packaging structure of waveguide type laser instrument chip
CN103199025B (en) A kind of double-interface card closed automatic welding encapsulation production method
CN206958236U (en) Double-sealing sliding block
CN104989324A (en) Information label for underground intelligent switch tool
CN205471058U (en) Shoulder pole catches hold of with a hook for pig slaughtering with RFID electronic tags
EP2615687B1 (en) Method to produce a rod tag and tag produced by the method
CN212587103U (en) Lead sealing electronic tag
WO2001075772A3 (en) Method for manufacturing of rfid inlet
CN204791107U (en) Rubber coating card

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
GR01 Patent grant
GR01 Patent grant