CN203535667U - Tunnel-based read-write device based on RFID technology - Google Patents
Tunnel-based read-write device based on RFID technology Download PDFInfo
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- CN203535667U CN203535667U CN201320719865.4U CN201320719865U CN203535667U CN 203535667 U CN203535667 U CN 203535667U CN 201320719865 U CN201320719865 U CN 201320719865U CN 203535667 U CN203535667 U CN 203535667U
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Abstract
The utility model relates to a tunnel-based read-write device based on the RFID technology. The tunnel-based read-write device based on the RFID technology is characterized in that an RFID detection mechanism facing a conveyor is arranged on the inner side of a shell; the RFID detection mechanism comprises a radio frequency reader-writer and four radio frequency antennas connected with the radio frequency reader-writer; every two radio frequency antennas are in one set; a micro-control chip, a radio frequency signal sending circuit, a radio frequency signal receiving circuit, an antenna control circuit, a power distribution circuit, matching circuits and a phase control circuit are arranged in the radio frequency reader-writer; the micro-control chip is connected with a control signal input terminal of the radio frequency signal receiving circuit, a control signal input terminal of the radio frequency signal sending circuit, a control signal input terminal of the antenna control circuit, and a control signal input terminal of the phase control circuit; an output terminal of the radio frequency signal sending circuit is connected with an input terminal of the power distribution circuit; each path of output of the power distribution circuit is connected with one path of matching circuit; the output terminals of the matching circuits are connected with the radio frequency antennae. The tunnel-based read-write device based on the RFID technology has advantages of being high in reading success rate and detection speed, being convenient to move, being high in safety performance, and the like.
Description
Technical field
The utility model relates to a kind of production line administrative system, relates in particular to a kind ofly can realize the tunnel type read-write equipment based on RFID technology that production line transmission and a large amount of label read fast.
Background technology
Traditional line management often adopts the modes such as bar-code label or manual record document to complete.For example, in laundry industry, employee can hang or paste a label on every clothes, has corresponding number on label, need to manually register and make an inventory.This way to manage, the one, inefficiency, the speed of manually making an inventory is quite slow; The 2nd, accuracy rate is low, and the transreplication of bar-code label, not antifouling, non-moistureproof and manual record document are prone to the as easy as rolling off a log product record that causes of the shortcomings such as clerical mistake and make mistakes; The 3rd, waste a large amount of manpower and materials, enterprise often needs to pay higher handling cost in real work.
Summary of the invention
The utility model is for the shortcoming and defect existing in prior art, propose a kind of can realize the transfer rate that production line transmission and a large amount of label read fast adjustable, support label omnidirectional to read, read that success ratio is high, detection speed fast, position conveniently moving, safe, the tunnel type read-write equipment based on RFID technology that can greatly increase work efficiency.
The utility model can reach by following measures:
A kind of tunnel type read-write equipment based on RFID technology, comprise host computer, for transmitting the connecting gear that article to be detected entered and left surveyed area, the control gear for controlling and driving connecting gear to turn round being connected with connecting gear, cover on connecting gear top and be provided with the housing of entrance and exit, it is characterized in that described housing inner side is provided with the testing agency towards the RFID of connecting gear, described RFID testing agency comprises frequency read/write and four radio-frequency antennas of a group between two that are connected with frequency read/write, wherein in frequency read/write, be provided with microcontroller chip, radiofrequency signal transtation mission circuit, radiofrequency signal receiving circuit, antenna controling circuit, power distributing circuit, match circuit, phase-control circuit, microcontroller chip respectively with radiofrequency signal receiving circuit, radiofrequency signal transtation mission circuit, antenna controling circuit, the control signal input end of phase-control circuit is connected, the output terminal of radiofrequency signal transtation mission circuit is connected with the input end of power distributing circuit, power distributing circuit Mei road output Jun Yu No. mono-match circuit is connected, the output terminal of match circuit is connected with radio-frequency antenna, the output terminal of antenna controling circuit respectively Yu Mei road match circuit is connected, between match circuit and power distributing circuit, be also provided with negative circuit, the output terminal of phase-control circuit is connected with negative circuit.
In the utility model match circuit be provided with HF switch be connected with HF switch for the resonant circuit to 13.56M by antenna resonance, the output terminal of resonant circuit is connected with radio-frequency antenna, the output of power distributing circuit Mei road is all connected with two-way match circuit, the output terminal of every road match circuit all connects a radio-frequency antenna, two-way match circuit can be packaged together, form a matching module, be designated as respectively the first matching module and the second matching module, wherein the output terminal of the two-way match circuit of the first matching module respectively with the first radio-frequency antenna, the 3rd radio-frequency antenna is connected, the output terminal of the two-way match circuit of the second matching module respectively with the second radio-frequency antenna, the 4th radio-frequency antenna is connected, between power distributing circuit Mei road output terminal and matching module, be also provided with negative circuit, the output terminal of antenna controling circuit is to matching module Nei Mei road match circuit output control signal, control the on/off situation of two-way match circuit, realize control the first radio-frequency antenna and the second radio-frequency antenna and work simultaneously, the 3rd radio-frequency antenna and the 4th radio-frequency antenna are worked simultaneously, the output terminal of phase-control circuit is connected with the control signal input end of two negative circuits respectively.
In the utility model, four radio-frequency antennas can adopt square coil, be designated as respectively the first radio-frequency antenna, the second radio-frequency antenna, the 3rd radio-frequency antenna and the 4th radio-frequency antenna, wherein the first radio-frequency antenna and the second radio-frequency antenna are placed vertically in space to be measured, and the first radio-frequency antenna plane of living in and the second radio-frequency antenna Plane intersects of living in, the 3rd radio-frequency antenna and the 4th radio-frequency antenna traverse are in space to be measured, and the 3rd radio-frequency antenna plane of living in and the 4th radio-frequency antenna Plane intersects of living in; Preferred the first radio-frequency antenna plane of living in and vertical direction are 60 ° of angles and place vertically, the second radio-frequency antenna plane of living in and vertical direction are 120 ° of angles and place vertically, the 3rd radio-frequency antenna plane of living in is placed along being 60 ° of angles with horizontal direction, and the 4th radio-frequency antenna plane of living in is placed along being 120 ° of angles with horizontal direction.
In the utility model, microcontroller chip can be realized by Chip Microcomputer A RM.
In the utility model, power distributing circuit is 1*2 power distributing circuit, for the radiofrequency signal of radio frequency read/write circuit output is assigned as to two-way by 1:1, and the two paths of signals after distributing is exported respectively.
The utility model housing preferable alloy housing, outside, housing porch is provided with infrared eye, and whether the signal output part of infrared eye is connected with host computer, for detection of having object under test close; Metal shell inner side is pasted with one deck ferrite magnetic cloth, and ferrite magnetic cloth can weaken the impact of metal pair antenna magnetic field, strengthens magnetic field intensity, thereby has improved the success ratio of fetch equipment reading tag.
The utility model housing centre position can be provided with 2 debug windows, conveniently inside antenna is debugged, further, can tri-colour LED be installed on outside top, pilot lamp is connected with control gear, be used to indicate the running status of connecting gear, being specially tri-colour LED is connected with the motor controller in control gear, motor controller is controlled color and the flicker situation of pilot lamp according to the state of travelling belt operation, by standby condition, running status, the emergent different conditions such as stop, lighting respectively and the tri coloured lantern that glimmers.
The utility model is respectively equipped with an EmS being connected with control gear in entrance and the exit of housing, when equipment runs into emergency case in operational process, press after EmS, trigger pip sends controller to, controller is controlled travelling belt and is stopped operating immediately, guarantees safe and reliable.
The connecting gear that enters and leave surveyed area for transmitting article to be detected described in the utility model comprises travelling belt, roller bearing, described be connected with connecting gear for controlling and driving the control gear of connecting gear running to comprise motor, motor controller and frequency converter, wherein motor controller is connected with frequency converter, the output terminal of frequency converter is connected with motor, the telecommunication circuit that is provided with microcontroller chip, motor drive circuit in described motor controller and is connected with host computer, for receiving and assigning host computer order to motor.
In frequency read/write described in the utility model, be also provided with the serial communication circuit being connected with host computer, so that RFID label read-write result is uploaded to host computer.
In the utility model in RFID testing agency four between two the radio-frequency antenna of a group by match circuit, realize a day linear adjustment, four radio-frequency antennas are divided into two groups of cooperatings, wherein the first radio-frequency antenna and the second radio-frequency antenna coordinate generation Z-direction and Y direction magnetic field, the second radio-frequency antenna and the 4th radio-frequency antenna co-operation, produce Y direction and X-direction magnetic field.
The utility model can be fixed on connecting gear slidably on base, and slidably base comprises base plate and is fixed on the universal wheel of base plate below, device is convenient to mobile.
The utility model compared with prior art, has the following advantages:
1, support that transfer rate is adjustable: Pipeline control equipment comprises frequency converter, Frequency Converter Control motor speed, thus it is adjustable to realize line speed.
2, support that label omnidirectional reads: radio-frequency antenna adopts mutual switch operating between two antenna sets, produces three-dimensional magnetic field, thereby realizes reading of any direction label.
3, read success ratio high: in tunnel read-write heads inner side, increased one deck ferrite magnetic cloth, ferrite magnetic cloth can weaken the impact in metal pair magnetic field, thereby strengthen magnetic field intensity, improve and read success ratio.
4, detection speed is fast: by radio-frequency antenna, read the label on product, compare with adopting the traditional mode of complicate statistics, greatly improved the speed of making an inventory, improved efficiency.
5, position conveniently moving: each pin of tunnel read-write heads below is all provided with a universal wheel, utilizes the universal wheel position of mobile tunnel read-write heads easily, and can grasp preferably moving direction.
6, safe: an EmS is all contained in the gateway of tunnel read-write heads, during emergency situations, press EmS after travelling belt stop operating immediately, guarantee safe and reliable.
accompanying drawing explanation:
Accompanying drawing 1 is structural representation of the present utility model.
Accompanying drawing 2 is structured flowcharts of RFID testing agency in the utility model.
Accompanying drawing 3 is a kind of structural representations in the utility model.
Accompanying drawing 4 is radio-frequency antenna modes of emplacement schematic diagram of RFID testing agency in the utility model.
Reference numeral: host computer 1, connecting gear 2, control gear 3, RFID testing agency 4, housing 5, microcontroller chip 6, radiofrequency signal transtation mission circuit 7, radiofrequency signal receiving circuit 8, antenna controling circuit 9, power distributing circuit 10, phase-control circuit 11, negative circuit 12, the first matching module 13, the second matching module 14, the first radio-frequency antenna 15, the 3rd radio-frequency antenna 16, the second radio-frequency antenna 17, the 4th radio-frequency antenna 18, infrared eye 19, debug window 20, pilot lamp 21, universal wheel 22, frequency read/write 23.
embodiment:
Below in conjunction with drawings and Examples, the utility model is further described.
As shown in Figure 1, the utility model proposes a kind of tunnel type read-write equipment based on RFID technology, comprise host computer 1, for transmitting the connecting gear 2 that article to be detected entered and left surveyed area, the control gear 3 for controlling and driving connecting gear to turn round being connected with connecting gear 2, cover on connecting gear 2 tops and be provided with the housing 5 of entrance and exit, it is characterized in that described housing 5 inner sides are provided with towards the RFID of connecting gear 2 testing agency 4, as shown in Figure 2, described RFID testing agency 4 comprises frequency read/write and four radio-frequency antennas of a group between two that are connected with frequency read/write, wherein in frequency read/write 23, be provided with microcontroller chip 6, radiofrequency signal transtation mission circuit 7, radiofrequency signal receiving circuit 8, antenna controling circuit 9, power distributing circuit 10, match circuit, phase-control circuit 11, microcontroller chip 6 respectively with radiofrequency signal receiving circuit 8, radiofrequency signal transtation mission circuit 7, antenna controling circuit 9, the control signal input end of phase-control circuit 11 is connected, the input end of radiofrequency signal receiving circuit 8 is connected with radio-frequency antenna through match circuit, the output terminal of radiofrequency signal transtation mission circuit 7 is connected with the input end of power distributing circuit 10, power distributing circuit 10Mei road output Jun Yu No. mono-match circuit is connected, the output terminal of match circuit is connected with radio-frequency antenna, the output terminal of antenna controling circuit 9 respectively Yu Mei road match circuit is connected, between match circuit and power distributing circuit 10, be also provided with negative circuit 12, the output terminal of phase-control circuit 11 is connected with negative circuit 12.
As shown in Figure 2, in the utility model match circuit be provided with HF switch be connected with HF switch for the resonant circuit to 13.56M by antenna resonance, the output terminal of resonant circuit is connected with radio-frequency antenna, the output of power distributing circuit Mei road is all connected with two-way match circuit, the output terminal of every road match circuit all connects a radio-frequency antenna, two-way match circuit can be packaged together, form a matching module, be designated as respectively the first matching module 13 and the second matching module 14, wherein the output terminal of the two-way match circuit of the first matching module 13 respectively with the first radio-frequency antenna 15, the 3rd radio-frequency antenna 16 is connected, the output terminal of the two-way match circuit of the second matching module 14 respectively with the second radio-frequency antenna 17, the 4th radio-frequency antenna 18 is connected, between power distributing circuit 10Mei road output terminal and matching module, be also provided with negative circuit 12, the output terminal of antenna controling circuit 9 is to matching module Nei Mei road match circuit output control signal, control the on/off situation of two-way match circuit, realize control the first radio-frequency antenna 15 and the second radio-frequency antenna 17 and work simultaneously, the 3rd radio-frequency antenna 16 and the 4th radio-frequency antenna 18 are worked simultaneously, the output terminal of phase-control circuit 11 is connected with the control signal input end of two negative circuits 12 respectively.
As shown in Figure 4, in the utility model, four radio-frequency antennas can adopt square coil, be designated as respectively the first radio-frequency antenna 15, the second radio-frequency antenna 17, the 3rd radio-frequency antenna 16 and the 4th radio-frequency antenna 18, wherein the first radio-frequency antenna 15 and the second radio-frequency antenna 17 are placed vertically in space to be measured, and the first radio-frequency antenna 15 plane of living in and the second radio-frequency antenna 17 Plane intersects of living in, the 3rd radio-frequency antenna 16 and the 4th radio-frequency antenna 18 traverses are in space to be measured, and the 3rd radio-frequency antenna 16 plane of living in and the 4th radio-frequency antenna 18 Plane intersects of living in; Preferred the first radio-frequency antenna 15 plane of living in and vertical direction are 60 ° of angles and place vertically, the second radio-frequency antenna 17 plane of living in and vertical direction are 120 ° of angles and place vertically, the 3rd radio-frequency antenna 16 plane of living in is placed along being 60 ° of angles with horizontal direction, and the 4th radio-frequency antenna 18 plane of living in is placed along being 120 ° of angles with horizontal direction.
In the utility model, microcontroller chip 6 can be realized by Chip Microcomputer A RM.
In the utility model, power distributing circuit 10 is 1*2 power distributing circuit, for the radiofrequency signal of radiofrequency signal transtation mission circuit 7 outputs is assigned as to two-way by 1:1, and the two paths of signals after distributing is exported respectively.
The utility model housing 5 preferable alloy housings, housing 5 outsides, porch are provided with infrared eye 19, and whether the signal output part of infrared eye 19 is connected with host computer 1, for detection of having object under test close; Metal shell 5 inner sides are pasted with one deck ferrite magnetic cloth, and ferrite magnetic cloth can weaken the impact of metal pair antenna magnetic field, strengthen magnetic field intensity, thereby have improved the success ratio of fetch equipment reading tag.
The utility model housing 5 centre positions can be provided with 2 debug windows 20, conveniently inside antenna is debugged, further, tri-colour LED 21 can be installed on outside top, pilot lamp 21 is connected with control gear 3, be used to indicate the running status of connecting gear, being specially tri-colour LED 21 is connected with the motor controller in control gear 3, motor controller is controlled color and the flicker situation of pilot lamp according to the state of travelling belt operation, by standby condition, running status, meet an urgent need and stop waiting different conditions to light respectively and the tri coloured lantern that glimmers.
The utility model is respectively equipped with an EmS being connected with control gear in entrance and the exit of housing 5, when equipment runs into emergency case in operational process, press after EmS, trigger pip sends controller to, controller is controlled travelling belt and is stopped operating immediately, guarantees safe and reliable.
The connecting gear 2 that enters and leave surveyed area for transmitting article to be detected described in the utility model comprises travelling belt, roller bearing, described be connected with connecting gear 2 for controlling and driving the control gear 3 of connecting gear running to comprise motor, motor controller, and frequency converter, wherein motor controller is connected with frequency converter, the output terminal of frequency converter is connected with motor, in described motor controller, be provided with microcontroller chip, motor drive circuit and the telecommunication circuit being connected with host computer 1, for receiving and assigning host computer 1 order to motor.
In frequency read/write described in the utility model, be also provided with the serial communication circuit being connected with host computer 1, so that RFID label read-write result is uploaded to host computer 1.
In the utility model in RFID testing agency four between two the radio-frequency antenna of a group by match circuit, realize a day linear adjustment, four radio-frequency antennas are divided into two groups of cooperatings, wherein the first radio-frequency antenna and the second radio-frequency antenna coordinate generation Z-direction and Y direction magnetic field, the second radio-frequency antenna and the 4th radio-frequency antenna co-operation, produce Y direction and X-direction magnetic field.
The utility model can be fixed on connecting gear slidably on base, and slidably base comprises base plate and is fixed on the universal wheel 22 of base plate below, device is convenient to mobile.
The utility model compared with prior art, has the following advantages:
1, support that transfer rate is adjustable: Pipeline control equipment comprises frequency converter, Frequency Converter Control motor speed, thus it is adjustable to realize line speed.
2, support that label omnidirectional reads: radio-frequency antenna adopts mutual switch operating between two antenna sets, produces three-dimensional magnetic field, thereby realizes reading of any direction label.
3, read success ratio high: in tunnel read-write heads inner side, increased one deck ferrite magnetic cloth, ferrite magnetic cloth can weaken the impact in metal pair magnetic field, thereby strengthen magnetic field intensity, improve and read success ratio.
4, detection speed is fast: by radio-frequency antenna, read the label on product, compare with adopting the traditional mode of complicate statistics, greatly improved the speed of making an inventory, improved efficiency.
5, position conveniently moving: each pin of tunnel read-write heads below is all provided with a universal wheel, utilizes the universal wheel position of mobile tunnel read-write heads easily, and can grasp preferably moving direction.
6, safe: an EmS is all contained in the gateway of tunnel read-write heads, during emergency situations, press EmS after travelling belt stop operating immediately, guarantee safe and reliable.
Claims (10)
1. the tunnel type read-write equipment based on RFID technology, comprise host computer, for transmitting the connecting gear that article to be detected entered and left surveyed area, the control gear for controlling and driving connecting gear to turn round being connected with connecting gear, cover on connecting gear top and be provided with the housing of entrance and exit, it is characterized in that described housing inner side is provided with the testing agency towards the RFID of connecting gear, described RFID testing agency comprises frequency read/write and four radio-frequency antennas of a group between two that are connected with frequency read/write, wherein in frequency read/write, be provided with microcontroller chip, radiofrequency signal transtation mission circuit, radiofrequency signal receiving circuit, antenna controling circuit, power distributing circuit, match circuit, phase-control circuit, microcontroller chip respectively with radiofrequency signal receiving circuit, radiofrequency signal transtation mission circuit, antenna controling circuit, the control signal input end of phase-control circuit is connected, the output terminal of radiofrequency signal transtation mission circuit is connected with the input end of power distributing circuit, power distributing circuit Mei road output Jun Yu No. mono-match circuit is connected, the output terminal of match circuit is connected with radio-frequency antenna, the output terminal of antenna controling circuit respectively Yu Mei road match circuit is connected, between match circuit and power distributing circuit, be also provided with negative circuit, the output terminal of phase-control circuit is connected with negative circuit.
2. a kind of tunnel type read-write equipment based on RFID technology according to claim 1, it is characterized in that match circuit be provided with HF switch be connected with HF switch for the resonant circuit to 13.56M by antenna resonance, the output terminal of resonant circuit is connected with radio-frequency antenna, the output of power distributing circuit Mei road is all connected with two-way match circuit, the output terminal of every road match circuit all connects a radio-frequency antenna, two-way match circuit can be packaged together, form a matching module, be designated as respectively the first matching module and the second matching module, wherein the output terminal of the two-way match circuit of the first matching module respectively with the first radio-frequency antenna, the 3rd radio-frequency antenna is connected, the output terminal of the two-way match circuit of the second matching module respectively with the second radio-frequency antenna, the 4th radio-frequency antenna is connected, between power distributing circuit Mei road output terminal and matching module, be also provided with negative circuit, the output terminal of antenna controling circuit is to matching module Nei Mei road match circuit output control signal, control the on/off situation of two-way match circuit, realize control the first radio-frequency antenna and the second radio-frequency antenna and work simultaneously, the 3rd radio-frequency antenna and the 4th radio-frequency antenna are worked simultaneously, the output terminal of phase-control circuit is connected with the control signal input end of two negative circuits respectively.
3. a kind of tunnel type read-write equipment based on RFID technology according to claim 1, it is characterized in that four radio-frequency antennas adopt square coil, be designated as respectively the first radio-frequency antenna, the second radio-frequency antenna, the 3rd radio-frequency antenna and the 4th radio-frequency antenna, wherein the first radio-frequency antenna and the second radio-frequency antenna are placed vertically in space to be measured, and the first radio-frequency antenna plane of living in and the second radio-frequency antenna Plane intersects of living in, the 3rd radio-frequency antenna and the 4th radio-frequency antenna traverse are in space to be measured, and the 3rd radio-frequency antenna plane of living in and the 4th radio-frequency antenna Plane intersects of living in; Preferred the first radio-frequency antenna plane of living in and vertical direction are 60 ° of angles and place vertically, the second radio-frequency antenna plane of living in and vertical direction are 120 ° of angles and place vertically, the 3rd radio-frequency antenna plane of living in is placed along being 60 ° of angles with horizontal direction, and the 4th radio-frequency antenna plane of living in is placed along being 120 ° of angles with horizontal direction.
4. a kind of tunnel type read-write equipment based on RFID technology according to claim 1, is characterized in that microcontroller chip passes through Chip Microcomputer A RM and realizes.
5. a kind of tunnel type read-write equipment based on RFID technology according to claim 1, is characterized in that power distributing circuit is 1*2 power distributing circuit.
6. a kind of tunnel type read-write equipment based on RFID technology according to claim 1, it is characterized in that housing is metal shell, outside, housing porch is provided with infrared eye, the signal output part of infrared eye is connected with host computer,, metal shell inner side is pasted with one deck ferrite magnetic cloth.
7. a kind of tunnel type read-write equipment based on RFID technology according to claim 1, is characterized in that housing centre position is provided with 2 debug windows, and outside top is provided with tri-colour LED, and pilot lamp is connected with control gear.
8. a kind of tunnel type read-write equipment based on RFID technology according to claim 1, is characterized in that the entrance of housing and exit are respectively equipped with an EmS being connected with control gear.
9. a kind of tunnel type read-write equipment based on RFID technology according to claim 1, it is characterized in that the described connecting gear that enters and leave surveyed area for transmitting article to be detected comprises travelling belt, roller bearing, described be connected with connecting gear for controlling and driving the control gear of connecting gear running to comprise motor, motor controller, and frequency converter, wherein motor controller is connected with frequency converter, the output terminal of frequency converter is connected with motor, in described motor controller, be provided with microcontroller chip, motor drive circuit and the telecommunication circuit being connected with host computer.
10. a kind of tunnel type read-write equipment based on RFID technology according to claim 1, is characterized in that being also provided with in described frequency read/write the serial communication circuit being connected with host computer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320719865.4U CN203535667U (en) | 2013-11-15 | 2013-11-15 | Tunnel-based read-write device based on RFID technology |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320719865.4U CN203535667U (en) | 2013-11-15 | 2013-11-15 | Tunnel-based read-write device based on RFID technology |
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| Publication Number | Publication Date |
|---|---|
| CN203535667U true CN203535667U (en) | 2014-04-09 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320719865.4U Expired - Fee Related CN203535667U (en) | 2013-11-15 | 2013-11-15 | Tunnel-based read-write device based on RFID technology |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103544514A (en) * | 2013-11-15 | 2014-01-29 | 威海北洋电气集团股份有限公司 | Tunnel-based read-write device based on RFID technology |
| WO2021007958A1 (en) * | 2019-07-17 | 2021-01-21 | 江苏东大集成电路系统工程技术有限公司 | Rfid tunnel machine using multi-beam antennas |
| CN112344846A (en) * | 2020-11-06 | 2021-02-09 | 中铁隧道局集团有限公司 | Strain sensor based on radio frequency identification technology for tunnel strain monitoring |
-
2013
- 2013-11-15 CN CN201320719865.4U patent/CN203535667U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103544514A (en) * | 2013-11-15 | 2014-01-29 | 威海北洋电气集团股份有限公司 | Tunnel-based read-write device based on RFID technology |
| WO2021007958A1 (en) * | 2019-07-17 | 2021-01-21 | 江苏东大集成电路系统工程技术有限公司 | Rfid tunnel machine using multi-beam antennas |
| CN112344846A (en) * | 2020-11-06 | 2021-02-09 | 中铁隧道局集团有限公司 | Strain sensor based on radio frequency identification technology for tunnel strain monitoring |
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Legal Events
| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20160513 Address after: 264200 -6, Torch Road 159, hi tech Zone, Shandong, Weihai, six - Seven Patentee after: The northeast part of China, Weihai optoelectronic information technical concern company Address before: 264200 Weihai high tech Zone, Shandong Torch Road, No. 159 Patentee before: Weihai Beiyang Electric Group Co., Ltd. |
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| 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: 20140409 Termination date: 20181115 |