CN105071038A - Antenna device of electronic lock with metal frame - Google Patents
Antenna device of electronic lock with metal frame Download PDFInfo
- Publication number
- CN105071038A CN105071038A CN201510502265.6A CN201510502265A CN105071038A CN 105071038 A CN105071038 A CN 105071038A CN 201510502265 A CN201510502265 A CN 201510502265A CN 105071038 A CN105071038 A CN 105071038A
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- Prior art keywords
- edge frame
- metal edge
- electronic lock
- connector
- antenna
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Abstract
The invention discloses an antenna device of an electronic lock with a metal frame, comprising a lock main body, an indoor housing for cooperating with the lock main body to install on the inner side of the door, a metal frame which is designed by integrating with the inner housing, and a feeding point and a ground-feeding point which are arranged on the inner side of the metal frame. A radio frequency front end transmit-receive circuit is positioned on a PCB board which is arranged in the lock main body; two connectors which are a first connector and a second connector are arranged on two sides of the lock main body; at least one notch is formed on the bottom edge of the metal frame and is used as a signal radiation channel; and metal becomes part of the antenna through the notch in the metal frame, and the feeding point is connected to the radio frequency front end transmit-receive circuit through the second connector. The antenna device of the electronic lock with the metal frame solves the problem that the metal severely affects the wireless signal of the electronic lock. The metal becomes part of the antenna through the notch on the metal frame, which can solve the problem that the wireless signal is weak.
Description
Technical field
The invention belongs to field of radio frequency, particularly relate to a kind of metal edge frame realizes antenna function electronic lock by fluting.
Background technology
Along with electronic product is to intelligent and microminiaturized development, single-chip microcomputer has become electronic product Study and Development
First-selected controller.Along with the raising of people's living standard how to realize in security fields this problem antitheft also become especially outstanding, traditional mechanical code lock due to its construct simple, security performance is low, cannot meet the needs of people.And electronic lock is in safety technological guard field, while having anti-theft alarm function, strong security, use flexibility good, coefficient of safety is high, is subject to the welcome of users.
At present, a lot of electronic lock product is subject to the favor of consumer on the market, but electronic lock is made up of metal structure, therefore wireless signal conductively-closed or the weak problem of signal is caused, based on addressing this problem, existing electronic lock bonnet designs metal edge frame, using the part of metal edge frame as aerial radiation, be to take into account metal sense and there is the problem solving wireless conductively-closed, usual antenna adopts PIFI antenna, and PIFA antenna is not ground closed antenna, therefore must slots on metal edge frame in practical application, form required 2.4G antenna by slotted metal.
By the retrieval to existing patent, retrieving the patent No. is CN201320159960.3, the patent discloses that the electronic lock with external antenna, lock body, the door inside and outside shell being arranged on outside in door is coordinated with lock body, this inside and outside shell is made up of metal material, an inside and outside shell outer surface is located at by described antenna, the application is slotted by metal edge frame, as signal radiation channel, metal edge frame fluting forms a part for antenna, and the distributing point arranged in metal edge frame and feedback place are connected with PCB and radio-frequency front-end transmission circuit by connector, define slot antenna structure.
Summary of the invention
The object of the present invention is to provide a kind of antenna assembly of the electronic lock with metal edge frame, to solve the technical problem of electronic lock metal structure shielding wireless signal in prior art.
In order to realize above-mentioned object, the antenna assembly of a kind of electronic lock with metal edge frame provided by the present invention, comprise lock body, the door inside and outside shell for being arranged on an inner side is coordinated with lock body, and with the metal edge frame of inner casing Integral design, and the distributing point be arranged in described metal edge frame and feedback place, described radio-frequency front-end transmission circuit is arranged on described pcb board, described pcb board, be positioned at described lock body, two connectors are provided with in described lock body side, be respectively the first connector and the second connector, the base of described metal edge frame is provided with at least one fluting, as signal radiation channel, a part for antenna is formed by metal edge frame fluting, described feedback place is connected with described pcb board by the first connector, described distributing point is connected with described radio-frequency front-end transmission circuit by the second connector, form the slot antenna structure be made up of described distributing point, described feedback place and described pcb board, both contacts realize the function that metal edge frame makees antenna.
Preferably, the quantity of the fluting described metal edge frame base arranged is two.
Preferably, nanometer injection moulding is filled with in the fluting on described metal edge frame base.
Preferably, described metal edge frame is full metal jacket, and the direct full metal jacket surface of described fluting is outputed.
Preferably, described connector is metal clips or pogo-pin connector.
Preferably, the material of described door inside and outside shell is stainless steel.
The present invention proposes the electronic lock with metal edge frame and there is the function of antenna, metal edge frame is provided with in the side of described electronic lock, slot in described metal edge frame base, to slot out the filling part being filled with and being formed by nanometer injection moulding, radio-frequency front-end transmission circuit and the distributing point be arranged in described metal edge frame side and feedback place, described PCB is provided with two connectors, the base of described metal edge frame is provided with at least one fluting, as signal radiation channel; A part for antenna is formed by metal edge frame fluting, described feedback place is connected with described pcb board by the first connector, described distributing point is connected with described radio-frequency front-end transmission circuit by the second connector, form the slot antenna structure be made up of described distributing point, described feedback place and described pcb board, both contacts realize the function that metal edge frame makees antenna.
Beneficial effect of the present invention,
1, the metal edge frame that the present invention is equipped with proposes a kind of global design of special antenna, to meet the problem of electronic lock all-metal construction signal difference;
2, simultaneously by slotting on metal edge frame, do not limit and specifically offer several, according to actual conditions, as signal radiation channel after fluting, form antenna function by slotted metal;
3, achieve the compatibility of antenna and large part metal, meet the requirement of electronic lock wireless signal strength, ensure the stability of electronic lock controlled in wireless.
Accompanying drawing explanation
Fig. 1 illustrates the antenna device arrangement schematic diagram of the electronic lock of band metal edge frame of the present invention.
Fig. 2 illustrates the structural representation of electronic lock metal back cover of the present invention.
Fig. 3 illustrates electronic lock chassis interior structural representation of the present invention.
Fig. 4 illustrates the antenna assembly explosive view of the present invention with the electronic lock of metal edge frame.
Embodiment
For the ease of the understanding of those skilled in the art, below in conjunction with embodiment and accompanying drawing, the present invention is further illustrated, and the content that execution mode is mentioned not is limitation of the invention.
The present invention is directed to current electronic lock field, electronic lock is all-metal construction, electronic lock housing is very large on wireless signal impact, causes signal conductively-closed or the weak problem of signal, due to the existence of metal edge frame, in order to evade the impact of metal pair antenna performance, first the present invention proposes to slot to the metal edge frame of electronic lock, and the special processing of local, is used a part for metal edge frame as antenna, by nanometer injection moulding after fluting, it is wireless that metal edge frame fluting forms wireless required 2.4G.
With reference to Fig. 1, 2, 3, described in 4, the antenna assembly of the electronic lock of band metal edge frame of the present invention, comprise lock body, the door inside and outside shell for being arranged on an inner side is coordinated with lock body, and with the metal edge frame 114 of inner casing Integral design, and the distributing point 110 be arranged in described metal edge frame 114 and feedback place 111, described radio-frequency front-end transmission circuit 115 is arranged on described pcb board 116, described pcb board 116, be positioned at described lock body, two connectors are provided with in described lock body, be respectively the first connector 112 and the second connector 113, the base of described metal edge frame 114 is provided with at least one fluting 118, as signal radiation channel, to be slotted by metal edge frame 114 parts of 118 formation antennas, described feedback place 111 is connected with described pcb board 116 by the first connector 112, described distributing point 110 is connected with described radio-frequency front-end transmission circuit 115 by the second connector 113, form fluting 118 antenna structure be made up of described distributing point 110, described feedback place 111 and described pcb board 116, both contacts realize the function that metal edge frame 114 makees antenna.
The quantity of the fluting 118 that described metal edge frame 114 base is arranged is at least two, does not limit concrete quantity, according to actual conditions, and design fluting 118 quantity.
Nanometer injection moulding is filled with in fluting 118 on described metal edge frame 114 base.Electronic lock chassis interior structural representation.
Fig. 4 illustrates the antenna assembly explosive view of the present invention with the electronic lock of metal edge frame.
Embodiment
For the ease of the understanding of those skilled in the art, below in conjunction with embodiment and accompanying drawing, the present invention is further illustrated, and the content that execution mode is mentioned not is limitation of the invention.
The present invention is directed to current electronic lock field, electronic lock is all-metal construction, electronic lock housing is very large on wireless signal impact, causes signal conductively-closed or the weak problem of signal, due to the existence of metal edge frame, in order to evade the impact of metal pair antenna performance, first the present invention proposes to slot to the metal edge frame of electronic lock, and the special processing of local, is used a part for metal edge frame as antenna, by nanometer injection moulding after fluting, it is wireless that metal edge frame fluting forms wireless required 2.4G.
With reference to Fig. 1, 2, 3, described in 4, the antenna assembly of the electronic lock of band metal edge frame of the present invention, comprise lock body, the door inside and outside shell for being arranged on an inner side is coordinated with lock body, and with the metal edge frame 114 of inner casing Integral design, and the distributing point 110 be arranged in described metal edge frame 114 and feedback place 111, described radio-frequency front-end transmission circuit 115 is arranged on described pcb board 116, described pcb board 116, be positioned at described lock body, two connectors are provided with in described lock body, be respectively the first connector 112 and the second connector 113, the base of described metal edge frame 114 is provided with at least one fluting 118, as signal radiation channel, to be slotted by metal edge frame 114 parts of 118 formation antennas, described feedback place 111 is connected with described pcb board 116 by the first connector 112, described distributing point 110 is connected with described radio-frequency front-end transmission circuit 115 by the second connector 113, form fluting 118 antenna structure be made up of described distributing point 110, described feedback place 111 and described pcb board 116, both contacts realize the function that metal edge frame 114 makees antenna.
The quantity of the fluting 118 that described metal edge frame 114 base is arranged is at least two, does not limit concrete quantity, according to actual conditions, and design fluting 118 quantity.
Nanometer injection moulding is filled with in fluting 118 on described metal edge frame 114 base.Place 111 is arranged on any one fluting 118 mouthfuls of side, first connector 112 and second connects 113 respectively with distributing point 110 and present place 111 and be connected, form fluting 118 antenna structure be made up of described distributing point 110, described feedback place 111 and described pcb board 116, realize the function that metal shell has antenna.
In the present embodiment, by arranging distributing point 110 and feedback place 111 in this metal edge frame 114, and be connected on pcb board 116 by connector, form fluting 118 antenna structure between metal edge frame 114 and pcb board 116, the radio-frequency (RF) front-end circuit 115 on pcb board 116 also can adopt the wireless technology such as bluetooth, WIFI for Zigbee(in other embodiments).
Adopt technical scheme provided by the invention, by the bottom fluting 118 of bonnet 117 metal edge frame 114 on electronic lock, by slotting 118 as signal radiation channel, distributing point 110 and feedback place 111 are set in the side of metal edge frame 114, connector is provided with in electronic lock chassis side, be respectively the first connector 112 and the second connector 113, with distributing point 110 and present place 111 and be connected, formed by described distributing point 110, fluting 118 antenna structure that described feedback place 111 and described pcb board 116 are formed, both realize the function that metal edge frame 114 makees antenna at contact, solve current electronic lock when all-metal construction, wireless by the situation of metallic shield,
Embody rule approach of the present invention is a lot, and the above is only the preferred embodiment of the present invention, should be understood that; for those skilled in the art; under the premise without departing from the principles of the invention, can also make some improvement, these improvement also should be considered as protection scope of the present invention.
Claims (6)
1. the antenna assembly of the electronic lock with metal edge frame, it is characterized in that, comprise lock body, the door inside and outside shell for being arranged on an inner side is coordinated with lock body, and with the metal edge frame of inner casing Integral design, and the distributing point be arranged in described metal edge frame side and feedback place, described radio-frequency front-end transmission circuit is arranged on described pcb board, described pcb board, be positioned at described lock body, two connectors are provided with in described lock body side, be respectively the first connector and the second connector, the base of described metal edge frame is provided with at least one fluting, as signal radiation channel, a part for antenna is formed by metal edge frame fluting, described feedback place is connected with described pcb board by the first connector, described distributing point is connected with described radio-frequency front-end transmission circuit by the second connector, form the slot antenna structure be made up of described distributing point, described feedback place and described pcb board, both contacts realize the function that metal edge frame makees antenna.
2. the antenna assembly of the electronic lock of band metal edge frame according to claim 1, is characterized in that, the quantity of the fluting that described metal edge frame base is arranged is two.
3. the antenna assembly of the electronic lock of band metal edge frame according to claim 1, is characterized in that, is filled with nanometer injection moulding in the fluting on described metal edge frame base.
4. the antenna assembly of the electronic lock of band metal edge frame according to claim 1, is characterized in that, described metal edge frame is full metal jacket, and the direct full metal jacket surface of described fluting is outputed.
5. the antenna assembly of the electronic lock of band metal edge frame according to claim 1, is characterized in that, described connector is metal clips or pogo-pin connector.
6. the antenna assembly of the electronic lock with metal edge frame according to claim 1, is characterized in that, the material of described door inside and outside shell is stainless steel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510502265.6A CN105071038A (en) | 2015-08-14 | 2015-08-14 | Antenna device of electronic lock with metal frame |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510502265.6A CN105071038A (en) | 2015-08-14 | 2015-08-14 | Antenna device of electronic lock with metal frame |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105071038A true CN105071038A (en) | 2015-11-18 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510502265.6A Pending CN105071038A (en) | 2015-08-14 | 2015-08-14 | Antenna device of electronic lock with metal frame |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105071038A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2019034085A1 (en) * | 2017-08-15 | 2019-02-21 | 乐鑫信息科技（上海）股份有限公司 | Metal shielding cover slot antenna and electronic device |
| CN111325882A (en) * | 2020-02-26 | 2020-06-23 | 杭州涂鸦信息技术有限公司 | Intelligent padlock communication method and system |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2005045625A (en) * | 2003-07-23 | 2005-02-17 | Denso Corp | Keyless entry receiver and its manufacturing method |
| US20050057408A1 (en) * | 2003-09-02 | 2005-03-17 | Suguru Asakura | Remote door lock controller for vehicles |
| CN101483270A (en) * | 2008-01-08 | 2009-07-15 | 宏达国际电子股份有限公司 | Electronic apparatus with hidden antenna |
| CN203257200U (en) * | 2013-04-01 | 2013-10-30 | 深圳市富斯琪智能科技有限公司 | Electronic lock provided with external antenna |
| CN104319456A (en) * | 2014-10-11 | 2015-01-28 | 广东名门锁业有限公司 | Hidden antenna of remote control locks |
| CN204927523U (en) * | 2015-08-14 | 2015-12-30 | 南京物联传感技术有限公司 | Take antenna device of electronic lock of metal frame |
-
2015
- 2015-08-14 CN CN201510502265.6A patent/CN105071038A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2005045625A (en) * | 2003-07-23 | 2005-02-17 | Denso Corp | Keyless entry receiver and its manufacturing method |
| US20050057408A1 (en) * | 2003-09-02 | 2005-03-17 | Suguru Asakura | Remote door lock controller for vehicles |
| CN101483270A (en) * | 2008-01-08 | 2009-07-15 | 宏达国际电子股份有限公司 | Electronic apparatus with hidden antenna |
| CN203257200U (en) * | 2013-04-01 | 2013-10-30 | 深圳市富斯琪智能科技有限公司 | Electronic lock provided with external antenna |
| CN104319456A (en) * | 2014-10-11 | 2015-01-28 | 广东名门锁业有限公司 | Hidden antenna of remote control locks |
| CN204927523U (en) * | 2015-08-14 | 2015-12-30 | 南京物联传感技术有限公司 | Take antenna device of electronic lock of metal frame |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2019034085A1 (en) * | 2017-08-15 | 2019-02-21 | 乐鑫信息科技（上海）股份有限公司 | Metal shielding cover slot antenna and electronic device |
| US11271286B2 (en) | 2017-08-15 | 2022-03-08 | Espressif Systems (Shanghai) Co., Ltd. | Metal shielding cover slot antenna and electronic device |
| CN111325882A (en) * | 2020-02-26 | 2020-06-23 | 杭州涂鸦信息技术有限公司 | Intelligent padlock communication method and system |
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| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
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| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20151118 |
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| RJ01 | Rejection of invention patent application after publication |