CN210324251U - Safety door device with double-antenna structure - Google Patents
Safety door device with double-antenna structure Download PDFInfo
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- CN210324251U CN210324251U CN201921360878.0U CN201921360878U CN210324251U CN 210324251 U CN210324251 U CN 210324251U CN 201921360878 U CN201921360878 U CN 201921360878U CN 210324251 U CN210324251 U CN 210324251U
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Abstract
The utility model provides a safety door device with a double-antenna structure, which comprises a control center, a secondary door controller, a main door reader-writer, a door alarm, a secondary door and a main door, wherein the main door is provided with a first antenna and a second antenna which are intersected and partially overlapped; the first antenna and the second antenna are respectively connected with a reader-writer arranged on the main door; the sub-door is provided with a third antenna and a fourth antenna, and the third antenna and the fourth antenna are intersected and partially overlapped; the third antenna and the fourth antenna are respectively connected with a controller arranged on the auxiliary door, the auxiliary door controller is connected with the control center, and each door alarm is respectively connected with the auxiliary door controller and the main door reader-writer; the controller is connected with the alarm; the utility model discloses a set up two antennas on main door and the vice door in the safety door device respectively, promote safety door device's antenna identification signal scope to through the cross overlapping structure of dual antenna, avoid the antenna to interfere with each other, realize that safety door device theftproof detection rate promotes.
Description
Technical Field
The utility model relates to a detect technical field, especially relate to a safety door device of two antenna structure.
Background
In order to avoid property loss caused by theft in places such as shopping malls, libraries, museums and the like, in the prior art, an anti-theft safety door is arranged at an outlet of each place to give an alarm. The existing safety door device comprises a controller, a main door and an auxiliary door, wherein the controller is used for communicating with the outside, controlling a reader-writer on the main door to work and supplying power to the whole safety door device; the antennas on the main door and the auxiliary door sense the RFID labels on the articles and feed data back to the reader-writer, the reader-writer analyzes the received information and then returns the data to the control center, and the control center issues an alarm instruction to control the alarm to give an alarm.
However, the safety door in the prior art usually adopts a single-antenna design, and due to the narrow identification range of the single antenna, reading omission occurs easily, and the anti-theft alarm effect is poor.
SUMMERY OF THE UTILITY MODEL
The utility model provides a safety door device of double antenna structure, through set up two antennas on main door and the auxiliary door in the safety door device respectively, in order to solve the single antenna structure identification signal scope among the current safety door device narrow and take place easily to leak the technical problem who reads, thereby promote safety door device's antenna identification signal scope, and through the design of double antenna cross overlapping structure, avoid two antennas mutual interference, and then realize that safety door device theftproof detects the success rate and obtain promoting.
In order to solve the technical problem, an embodiment of the present invention provides a safety door device with a dual-antenna structure, including a control center, a sub-door controller, a main door reader, a door alarm, a sub-door, and a main door, where the main door is provided with a first antenna and a second antenna, and the first antenna intersects with and partially overlaps with the second antenna; the first antenna and the second antenna are respectively connected with a reader-writer arranged on the main door; a third antenna and a fourth antenna are arranged on the auxiliary door, and the third antenna and the fourth antenna are intersected and partially overlapped; the third antenna and the fourth antenna are respectively connected with a controller arranged on the auxiliary door, the auxiliary door controller is connected with the control center, the main door reader-writer is connected with the auxiliary door controller, and each door alarm is respectively connected with the auxiliary door controller and the main door reader-writer.
Preferably, a first groove is formed in the periphery of the side face of the main door, and the first antenna and the second antenna are embedded in the first groove; and a second groove is formed in the periphery of the side face of the auxiliary door, and the third antenna and the fourth antenna are embedded in the second groove.
As a preferred scheme, the safety door device further comprises an infrared transmitting module and an infrared receiving module, wherein the infrared receiving module is arranged on the main door, and the infrared receiving module is connected with the reader-writer; the infrared emission module is arranged on the auxiliary door and is connected with the controller.
Preferably, the alarm comprises a first alarm and a second alarm, the first alarm is arranged on the main door, and the second alarm is arranged on the auxiliary door.
Preferably, the first alarm and the second alarm both comprise a buzzer and an LED alarm lamp.
Preferably, the main door is further provided with a first antenna tuning circuit and a second antenna tuning circuit, the first antenna tuning circuit is connected with the first antenna, the second antenna tuning circuit is connected with the second antenna, and the first antenna tuning circuit and the second antenna tuning circuit are respectively connected with the controller; the auxiliary door is also provided with a third antenna tuning circuit and a fourth antenna tuning circuit, the third antenna tuning circuit is connected with the third antenna, the fourth antenna tuning circuit is connected with the fourth antenna, and the third antenna tuning circuit and the fourth antenna tuning circuit are respectively connected with the controller; the first antenna tuning circuit, the second antenna tuning circuit, the third antenna tuning circuit and the fourth antenna tuning circuit respectively control the signal on-off of the first antenna, the second antenna, the third antenna and the fourth antenna.
Preferably, the first antenna is disposed at an upper portion of the main door, the second antenna is disposed at a lower portion of the main door, the third antenna is disposed at an upper portion of the sub door, and the fourth antenna is disposed at a lower portion of the sub door.
Preferably, the first antenna forms a first rectangular wire frame, the second antenna forms a second rectangular wire frame, the third antenna forms a third rectangular wire frame, and the fourth antenna forms a fourth rectangular wire frame.
Preferably, the first rectangular wire frame and the second rectangular wire frame are symmetrical through an overlapped part middle shaft; the third rectangular wire frame and the fourth rectangular wire frame are symmetrical through an overlapped part middle shaft.
Compared with the prior art, the embodiment of the utility model provides a have following beneficial effect:
the utility model discloses a set up two antennas on main door and the auxiliary door in the safety door device respectively to solve the single antenna structure identification signal scope in the current safety door device narrow and take place easily to miss the technical problem who reads, thereby promote safety door device's antenna identification signal scope, and through the cross overlapping structure design of dual antenna, avoid two antennas to interfere with each other, and then realize that safety door device theftproof detects the success rate and obtain promoting.
Drawings
FIG. 1: is a schematic structural diagram of the safety door with a double-antenna structure in the embodiment of the utility model;
FIG. 2: is an overall schematic view of a safety door device with a double-antenna structure in the embodiment of the present invention;
FIG. 3: is a structural schematic diagram of the antenna arranged on the side surface of the safety door in the embodiment of the utility model;
FIG. 4: do the embodiment of the utility model provides an emergency exit system theory of operation schematic diagram.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
Referring to fig. 1 and 2, in a first embodiment of the present invention, a safety door device with a dual-antenna structure is provided, including a control center, a sub-door controller, a main door reader, a door alarm, a sub-door, and a main door, where the main door is provided with a first antenna and a second antenna, and the first antenna intersects with and partially overlaps with the second antenna; the first antenna and the second antenna are respectively connected with a reader-writer arranged on the main door; a third antenna and a fourth antenna are arranged on the auxiliary door, and the third antenna and the fourth antenna are intersected and partially overlapped; the third antenna and the fourth antenna are respectively connected with a controller arranged on the auxiliary door, and the controller is respectively connected with the controller and the reader-writer; the controller is connected with the alarm.
The control center: the safety door system is mainly responsible for communicating with the outside, controlling the work of a reader-writer and supplying power to the whole safety door system; a reader-writer: the RFID safety door system is used for realizing data communication between the electronic tag and the RFID safety door system; an antenna: the radio frequency identification device is used for transmitting and receiving radio frequency carrier signals and is mainly responsible for converting current signals in the reader-writer into radio frequency carrier signals and transmitting the radio frequency carrier signals to the electronic tag, or receiving the radio frequency carrier signals transmitted by the tag and converting the radio frequency carrier signals into current signals; an alarm device: realizing the alarm function; controller on the sub-door: used for transmitting data, is equivalent to an interface board and provides multi-channel and multi-port cable connection.
The safety door system is uniformly controlled by the control center, the control center gives an operation instruction to the reader-writer, and the reader-writer performs different operations according to different instructions after receiving the instruction. The tag information is fed back to the reader-writer through the antenna, the reader-writer analyzes the received information and returns the data to the control center, and the control center performs corresponding recording or issues acousto-optic indication, namely, the detection, alarming and reading of the tag are completed.
In order to increase the detection area of the tag, a mode that two antennas are arranged on one door is adopted, but because the two antennas on the same plane interfere with each other when working, a design mode that the two antennas are intersected is adopted on the design of the antennas, so that the two antennas are partially overlapped to form an intersected antenna array.
Referring to fig. 3, in a second embodiment, on the basis of the first embodiment, a first groove is formed around a side surface of the main door, and the first antenna and the second antenna are both embedded in the first groove; and a second groove is formed in the periphery of the side face of the auxiliary door, and the third antenna and the fourth antenna are embedded in the second groove.
The mode of installing the antenna on the side surface can enable the antenna to be completely embedded in the safety door without influencing the signal receiving function of the antenna, and has certain aesthetic feeling. This emergency exit is provided with all around shape assorted recess with the antenna through the side and front, the back at transparent ya keli panel, and the antenna is fixed through embedding the recess, and the position of recess can be adjusted the transform according to the antenna size and direction simultaneously according to the design needs.
In a third embodiment, on the basis of any one of the above embodiments, the main door is further provided with a first antenna tuning circuit and a second antenna tuning circuit, the first antenna tuning circuit is connected to the first antenna, the second antenna tuning circuit is connected to the second antenna, and the first antenna tuning circuit and the second antenna tuning circuit are respectively connected to the controller; the auxiliary door is also provided with a third antenna tuning circuit and a fourth antenna tuning circuit, the third antenna tuning circuit is connected with the third antenna, the fourth antenna tuning circuit is connected with the fourth antenna, and the third antenna tuning circuit and the fourth antenna tuning circuit are respectively connected with the controller; the first antenna tuning circuit, the second antenna tuning circuit, the third antenna tuning circuit and the fourth antenna tuning circuit respectively control the signal on-off of the first antenna, the second antenna, the third antenna and the fourth antenna.
In order to solve the problem of a blind area in a three-dimensional space, a mode that two safety doors are simultaneously placed in the same area to form a safety channel is adopted, and each safety channel is guaranteed to be provided with four antennas; because the induction range of each antenna is limited, a certain blind area can be generated, and therefore, the current flow direction of the antenna is controlled through the antenna tuning circuit and the switching control technology, the antenna is enabled to perform round-robin operation in sequence, and the in-phase and out-of-phase operation of the antenna is achieved.
Fourth embodiment, on the basis of any preceding embodiment, the alarm includes first alarm and second alarm, first alarm sets up on the main door, the second alarm sets up on the auxiliary door.
The alarm devices are respectively arranged on the main safety door and the auxiliary safety door, so that a stronger frightening effect and a reminding function can be obtained; in this embodiment, the first alarm and the second alarm both comprise a buzzer and an LED alarm lamp. The buzzer is used for sending out sound alarm signals, and the LED alarm lamp is used for sending out flashing alarm light.
Fifth embodiment, on the basis of any one of the above embodiments, the security door apparatus further includes an infrared emission module and an infrared reception module, the infrared reception module is disposed on the main door, and the infrared reception module is connected to the reader/writer; the infrared emission module is arranged on the auxiliary door and is connected with the controller. Infrared transmitting/receiving module: the method is used for counting and counting the human flow.
The infrared ray is transmitted through the infrared transmitting module, and the light is received through the infrared receiver; when someone passes through the safety door, the infrared receiver receives the breakpoint, and the number of people is obtained through calculating the breakpoint; in the places such as libraries, shopping malls, supermarkets and the like, the statistics of the human flow is also beneficial to the development of the application industry.
Sixthly, in any one of the above embodiments, the first antenna is disposed at an upper portion of the main door, the second antenna is disposed at a lower portion of the main door, the third antenna is disposed at an upper portion of the sub door, and the fourth antenna is disposed at a lower portion of the sub door.
In order to further optimize the possible interference problem among multiple antennas, two antennas in each safety door are arranged in an up-down separated mode; in this embodiment, the first antenna forms a first rectangular wire frame, the second antenna forms a second rectangular wire frame, the third antenna forms a third rectangular wire frame, and the fourth antenna forms a fourth rectangular wire frame. In the present embodiment, the first rectangular wire frame and the second rectangular wire frame are symmetrical through an overlap portion intermediate axis; the third rectangular wire frame and the fourth rectangular wire frame are symmetrical through an overlapped part middle shaft.
Referring to fig. 4, the operation of the safety door system in the above embodiment will be explained.
The working modes of the antenna are mainly divided into 3 types:
(1) the single antenna works: the antenna A → the antenna B → the antenna C → the antenna D circularly works, so that the identification problem when the tags are parallel to the safety door and in the direction vertical to the ground is solved, and the identification problem when the tags of the upper area and the lower area of the safety door are vertical to the safety door and in the direction parallel to the ground is also solved;
(2) two antennas of the same gate are combined to work: the antenna A + B → the antenna C + D circularly works, so that the identification problem of the tag in the middle area of the safety door in the direction perpendicular to the safety door and parallel to the ground is solved;
(3) two doors work in a combined mode through one antenna: the antenna A + C → the antenna B + D work in turn, so that the problem of identification when the tags are perpendicular to the safety door and the direction perpendicular to the ground is solved, and the problem of identification when the tags of the upper area and the lower area of the safety door are perpendicular to the safety door and the direction parallel to the ground can be solved.
And three kinds of working methods are switched and circulated without stop, so that the induction blind areas of all the antennas are complemented, the electronic tag is read in all directions, the problem of the internal blind areas of the three-dimensional space is solved, and no blind area exists in the induction range.
In fig. 4:
1 represents the direction of the label parallel to the security gate and perpendicular to the ground;
2 represents the direction of the label perpendicular to the safety door and parallel to the ground;
3 represents the direction of the label vertical to the safety door and vertical to the ground;
in addition, because the antenna of each safety door performs switching round-robin work according to the mode, a plurality of safety doors can be cascaded to form a multi-channel safety door system, and the whole safety door system can realize three-dimensional omnidirectional induction.
The utility model has the advantages that: each safety door adopts the crossed structural design mode of a plurality of antennas, and the effect of mutual noninterference of antennas on the same plane is achieved by adjusting the crossed distance between the antennas, so that the identification distance of the antennas is increased in a specific range, but the diffusion of a magnetic field is reduced, and the serial reading range is reduced. The antennas work in a round-robin mode through three different working modes, the effect that the blind areas of all the antennas are complementary is achieved, and the electronic tag is read in all directions. In addition, the working mode can be adopted no matter how many safety doors are cascaded, so that no identification blind area exists when every two safety doors work, and the three-dimensional reading of the label is realized. Therefore, the reliability of the whole safety door system is greatly improved. And the mode of embedding the antenna is adopted, so that the assembly process of the safety door is simpler, the appearance is more attractive, and the cost is greatly reduced.
The above-mentioned embodiments further describe the objects, technical solutions and advantages of the present invention in detail, it should be understood that the above-mentioned embodiments are only examples of the present invention, and are not intended to limit the scope of the present invention. It should be understood that any modification, equivalent replacement, or improvement made by those skilled in the art without departing from the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (9)
1. A safety door device with a double-antenna structure comprises a control center, a secondary door controller, a main door reader-writer, an alarm, a secondary door and a main door, and is characterized in that the main door is provided with a first antenna and a second antenna, and the first antenna and the second antenna are intersected and partially overlapped; the first antenna and the second antenna are respectively connected with a reader-writer arranged on the main door; a third antenna and a fourth antenna are arranged on the auxiliary door, and the third antenna and the fourth antenna are intersected and partially overlapped; the third antenna and the fourth antenna are respectively connected with a controller arranged on the auxiliary door, the auxiliary door controller is connected with a control center, the main door reader-writer is connected with the auxiliary door controller, and the alarm is respectively connected with the auxiliary door controller and the main door reader-writer; the control center is respectively connected with the controller and the reader-writer; the control center is connected with the alarm.
2. The security door device of a dual antenna structure as claimed in claim 1, wherein a first groove is formed around a side surface of the main door, and the first antenna and the second antenna are embedded in the first groove; and a second groove is formed in the periphery of the side face of the auxiliary door, and the third antenna and the fourth antenna are embedded in the second groove.
3. The security door apparatus of a dual antenna structure as claimed in claim 1, wherein the security door apparatus further comprises an infrared transmitting module and an infrared receiving module, the infrared receiving module being provided on the main door, the infrared receiving module being connected to the reader/writer; the infrared emission module is arranged on the auxiliary door and is connected with the controller.
4. The security door apparatus of a dual antenna structure as claimed in claim 1, wherein the alarm device includes a first alarm device provided on the main door and a second alarm device provided on the sub door.
5. The security door apparatus of a dual antenna structure as claimed in claim 4, wherein the first alarm device and the second alarm device each include a buzzer and an LED alarm lamp.
6. The safety door device with a dual antenna structure according to claim 1, wherein a first antenna tuning circuit and a second antenna tuning circuit are further provided on the main door, the first antenna tuning circuit is connected to the first antenna, the second antenna tuning circuit is connected to the second antenna, and the first antenna tuning circuit and the second antenna tuning circuit are respectively connected to the controller; the auxiliary door is also provided with a third antenna tuning circuit and a fourth antenna tuning circuit, the third antenna tuning circuit is connected with the third antenna, the fourth antenna tuning circuit is connected with the fourth antenna, and the third antenna tuning circuit and the fourth antenna tuning circuit are respectively connected with the controller; the first antenna tuning circuit, the second antenna tuning circuit, the third antenna tuning circuit and the fourth antenna tuning circuit respectively control the signal on-off of the first antenna, the second antenna, the third antenna and the fourth antenna.
7. The security door apparatus of a dual antenna structure as claimed in claim 1, wherein the first antenna is disposed at an upper portion of the main door, the second antenna is disposed at a lower portion of the main door, the third antenna is disposed at an upper portion of the sub door, and the fourth antenna is disposed at a lower portion of the sub door.
8. The safety door device of a dual antenna structure as claimed in claim 7, wherein the first antenna forms a first rectangular wire frame, the second antenna forms a second rectangular wire frame, the third antenna forms a third rectangular wire frame, and the fourth antenna forms a fourth rectangular wire frame.
9. The safety door apparatus of a dual antenna structure as claimed in claim 8, wherein the first rectangular wire frame and the second rectangular wire frame are symmetrical through an overlap portion intermediate axis; the third rectangular wire frame and the fourth rectangular wire frame are symmetrical through an overlapped part middle shaft.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921360878.0U CN210324251U (en) | 2019-08-20 | 2019-08-20 | Safety door device with double-antenna structure |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921360878.0U CN210324251U (en) | 2019-08-20 | 2019-08-20 | Safety door device with double-antenna structure |
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| CN210324251U true CN210324251U (en) | 2020-04-14 |
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| CN201921360878.0U Active CN210324251U (en) | 2019-08-20 | 2019-08-20 | Safety door device with double-antenna structure |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111860712A (en) * | 2020-07-06 | 2020-10-30 | 深圳市亿云联科技有限公司 | RFID access door based on narrow beam antenna and working method thereof |
| CN111966144A (en) * | 2020-08-31 | 2020-11-20 | 江西中轻智能设备有限公司 | Temperature intelligent control system based on WIFI connection |
| CN112668683A (en) * | 2020-12-25 | 2021-04-16 | 广州安的电子科技有限公司 | Intelligent safety door and detection method thereof |
| CN113570766A (en) * | 2021-07-27 | 2021-10-29 | 广州安的电子科技有限公司 | Non-inductive channel intelligent networking identification system |
-
2019
- 2019-08-20 CN CN201921360878.0U patent/CN210324251U/en active Active
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111860712A (en) * | 2020-07-06 | 2020-10-30 | 深圳市亿云联科技有限公司 | RFID access door based on narrow beam antenna and working method thereof |
| CN111860712B (en) * | 2020-07-06 | 2021-04-30 | 深圳市亿云联科技有限公司 | RFID access door based on narrow beam antenna and working method thereof |
| CN111966144A (en) * | 2020-08-31 | 2020-11-20 | 江西中轻智能设备有限公司 | Temperature intelligent control system based on WIFI connection |
| CN111966144B (en) * | 2020-08-31 | 2021-08-24 | 江西中轻智能设备有限公司 | Temperature intelligent control system based on WIFI connection |
| CN112668683A (en) * | 2020-12-25 | 2021-04-16 | 广州安的电子科技有限公司 | Intelligent safety door and detection method thereof |
| CN113570766A (en) * | 2021-07-27 | 2021-10-29 | 广州安的电子科技有限公司 | Non-inductive channel intelligent networking identification system |
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