CN106656517A - Entrance-exit control circuit - Google Patents
Entrance-exit control circuit Download PDFInfo
- Publication number
- CN106656517A CN106656517A CN201710100066.1A CN201710100066A CN106656517A CN 106656517 A CN106656517 A CN 106656517A CN 201710100066 A CN201710100066 A CN 201710100066A CN 106656517 A CN106656517 A CN 106656517A
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- CN
- China
- Prior art keywords
- circuit
- network
- control circuit
- main control
- electric capacity
- 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.)
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Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L12/00—Data switching networks
- H04L12/02—Details
-
- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B19/00—Programme-control systems
- G05B19/02—Programme-control systems electric
- G05B19/04—Programme control other than numerical control, i.e. in sequence controllers or logic controllers
- G05B19/042—Programme control other than numerical control, i.e. in sequence controllers or logic controllers using digital processors
- G05B19/0423—Input/output
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L67/00—Network arrangements or protocols for supporting network services or applications
- H04L67/01—Protocols
- H04L67/12—Protocols specially adapted for proprietary or special-purpose networking environments, e.g. medical networks, sensor networks, networks in vehicles or remote metering networks
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- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Automation & Control Theory (AREA)
- Health & Medical Sciences (AREA)
- Computing Systems (AREA)
- General Health & Medical Sciences (AREA)
- Medical Informatics (AREA)
- Emergency Protection Circuit Devices (AREA)
Abstract
The invention discloses an entrance-exit control circuit comprises a main control board circuit. The main control board circuit comprises a network interaction control circuit having a main control chip, a network transformer circuit, a network protection circuit, an RJ45 interface circuit and a main control chip power source circuit, the network interaction control circuit is electrically connected with the network transformer circuit which is electrically connected with the network protection circuit, and the network protection circuit is electrically connected with the RJ45 interface circuit; the network interaction control circuit further comprises an internal voltage compensation circuit, a clock circuit, a working indication circuit, a filter circuit, a resetting circuit and an impedance matching circuit which are electrically connected with the main control chip, and the network transformer circuit is connected with the impedance matching circuit. The main control chip is made to directly control a network switchboard chip, multiple RJ45 interfaces are provided, and network switchboard equipment in the middle is removed, so that cost is lowered, assembly space is reduced, wiring is simple, convenience is brought to mounting and maintaining, and overall performance of equipment is improved.
Description
Technical field
The invention mainly relates to a kind of access control circuit.
Background technology
In access control device, in order to realize the safety management to people or vehicle and control, need using various sides
Method carries out management and control, by plurality of devices network interworking.In the control field of parking lot, the control of vehicle need using Car license recognition or
The modes such as card detection, and network talkback and video monitoring etc. are aided in, all of equipment is attached by TCP/IP modes.Mesh
Front method is one network switch of increase in control device, increases cost, increases assembly space, be unfavorable for installing, increase
Plus trouble point.
The content of the invention
The technical problem to be solved in the present invention is to overcome above-mentioned technological deficiency, there is provided a kind of access control electricity
Road.
In order to solve above-mentioned technical problem, the present invention takes technical scheme below：
A kind of access control circuit, includes master control borad circuit, and described master control borad circuit has further included have
The network interaction control circuit of main control chip, network transformer circuit, network protection circuit, RJ45 interface circuits and main control chip
Power circuit, described network interaction control circuit is electrically connected with network transformer circuit, described network transformer circuit
Be electrically connected with network protection circuit, described network protection circuit with and the electric connection of RJ45 interface circuits, described network
Interactive controlling circuit further includes that the builtin voltage compensation circuit being electrically connected with main control chip, clock circuit, work refer to
Show circuit, filter circuit, reset circuit and impedance matching circuit, described network transformer circuit connection impedance match circuit.
Used as a kind of preferred version, described network interaction control circuit includes least one set impedance matching circuit, often
The circuit structure of group impedance matching circuit is identical, wherein first group of impedance matching circuit has further included resistance R130 and R131
It is grounded after being connected with electric capacity C108 respectively, resistance R132 and R133 are grounded after being connected with electric capacity C109 respectively.
Used as a kind of preferred version, described builtin voltage compensation circuit is included by electric capacity C85, C86 and resistance R97 simultaneously
Join and be grounded the bias voltage circuit of composition, inductance L4, inductance L4 connection internal compensations are connected with the branch road that electric capacity C85 is located
Voltage output end.
As a kind of preferred version, after described clock circuit is by electric capacity C84 and C90 series connection, then with Quartz crystal resonant
Device Y2 and resistance R96 parallel connections are simultaneously grounded composition.
Used as a kind of preferred version, described network interaction control circuit includes at least 1 group working indicating, per group
Working indicating is made up of a light emitting diode and a resistant series.
Used as a kind of preferred version, described reset circuit is made up of resistance R95, diode D11 and electric capacity C103.
Used as a kind of preferred version, described master control borad circuit at least includes one group of network protection circuit, described network
Protection circuit includes the Transient Suppression Diode TVS of two series connection.
Compared with prior art, beneficial effects of the present invention：
The present invention allows the direct controlling network exchanger chip of main control chip, there is provided multiple RJ45 interfaces set with the multiple of outside
It is standby to be communicated, the network switch device of centre is eliminated, reduces cost, reduction assembly space, wiring simply, are conveniently installed
Safeguard, improve the overall performance of equipment.The interface that master control borad is provided directly is communicatively coupled with equipment, if one of them connects
Mouth failure, does not interfere with the communication of control plate plate and miscellaneous equipment, and equipment can partly run, and be not overall paralysis.
Description of the drawings
Fig. 1 is the circuit module figure of the access control circuit of the present invention.
Fig. 2 is access control circuit and network equipment link block figure.
Fig. 3 is the circuit diagram of the main control chip power circuit of the present invention.
Fig. 4 is the circuit diagram of the network interaction control circuit of the present invention.
Fig. 5 is the circuit diagram of the networking transformer circuit of the present invention.
Fig. 6 is the circuit diagram of the network protection circuit of the present invention.
Fig. 7 is the circuit diagram of the RJ45 interface circuits of the present invention.
Specific embodiment
Fig. 1 and Fig. 2 is seen also, as illustrated, access control circuit includes master control borad circuit, described master control
Plate circuit further include the network interaction control circuit with main control chip, network transformer circuit, network protection circuit,
RJ45 interface circuits and main control chip power circuit, network interaction control circuit is electrically connected with network transformer circuit, network
Transformer circuit and network protection circuit are electrically connected with, network protection circuit with and the electric connection of RJ45 interface circuits；Network is handed over
Mutually control circuit further includes that the builtin voltage compensation circuit being electrically connected with main control chip, clock circuit, work are indicated
Circuit, filter circuit, reset circuit and impedance matching circuit, network transformer circuit connection impedance match circuit.Master control borad electricity
Road is connected by netting twine with outside network device.
Fig. 3 is referred to, is the circuit diagram of the main control chip power circuit of the present invention, as illustrated, main control chip power supply is electric
Road includes the first filter circuit, resistance R55, R56 and the second filter circuit.First filtered electrical routing capacitance C134, C134 and
C136 is composed in parallel, and the second filter circuit includes electric capacity C137, C138 and C139；Whole main control chip power circuit input electricity
Pressure 5v, output voltage 2.5v, for main control chip voltage is provided.
Fig. 4 is referred to, is the circuit diagram of the network interaction control circuit of the present invention, as illustrated, network interaction control electricity
Road include with main control chip be electrically connected with builtin voltage compensation circuit, clock circuit, working indicating, filter circuit,
Reset circuit and impedance matching circuit；Builtin voltage compensation circuit is used for the voltage of other circuits in network interaction control circuit and carries
For putting forward high-tension quality and utilization rate of equipment and installations；The effect of clock circuit is the various pieces for making circuit in process signal
All it is to carry out step by step according to beat；Working indicating generally has two states, does not work and flicker, and relay indicating light is not
It is bright, represent that network interaction machine is in a connectionless state, when relay indicating light persistently flashes, represent that network interaction machine is normal
Connect and data show；Reset circuit be then when network interaction control circuit completes once to run or occur mistake from
The dynamic circuit for circuit being returned to state；Filter circuit includes the 3rd filter circuit, the 4th filter circuit, the 5th filtering
Circuit and the 6th filter circuit, the 3rd filter circuit includes electric capacity C79, C80, C81 and C82, and the 4th filter circuit is included
Electric capacity C72, C73 and C74, the 5th filter circuit includes electric capacity C75, C76, C77 and C78, and the 6th filter circuit includes electricity
Hold C88 and C89, the effect of filter circuit is that the electric current for specifying certain frequency passes through or prevents the electric current of certain frequency from passing through.
Fig. 5 to Fig. 7 is seen also, Fig. 5 is the circuit diagram of the networking transformer circuit of the present invention, and Fig. 6 is the present invention's
The circuit diagram of network protection circuit, Fig. 7 is the circuit diagram of the RJ45 interface circuits of the present invention, described network transformer circuit with
The interface end of the impedance matching circuit in network interaction control circuit connects one to one, described network protection circuit and network
RJ45 interfaces and 4 interface ends one of network protection circuit that front 4 interface ends of transformer circuit connect one to one described
One correspondence connection, forms a complete closed-loop path.
Master control borad is integrated with network switch chip, is directly controlled by main control chip, and network protection electricity is increased on interface
Road, reaches technical grade performance requirement；Network interaction control circuit, is on the one hand connected with main control chip, completes network control sum
According to interaction；On the other hand it is connected with network transformer, network interface extension is carried out, for connecting external equipment；Network transformer
Circuit, for connecting network chip and interface.This circuit provides number data-interface in 4 external interfaces and 1, realizes that network is handed over
The several functions changed planes with PHY chip；Network protection circuit, mainly prevents destruction of the signals such as surge, electrostatic to equipment, improves
The stability of equipment, reaches technical grade performance requirement；Network chip power circuit, to chip power supply.
Claims (7)
1. a kind of access control circuit, includes master control borad circuit, it is characterised in that：Described master control borad circuit is further wrapped
Include the network interaction control circuit with main control chip, network transformer circuit, network protection circuit, RJ45 interface circuits and
Main control chip power circuit, described network interaction control circuit is electrically connected with network transformer circuit, and described network becomes
Transformer circuits and network protection circuit are electrically connected with, described network protection circuit with and the electric connection of RJ45 interface circuits, institute
The network interaction control circuit stated further includes builtin voltage compensation circuit, the clock electricity being electrically connected with main control chip
Road, working indicating, filter circuit, reset circuit and impedance matching circuit, described network transformer circuit connection impedance
Match circuit.
2. access control circuit according to claim 1, it is characterised in that：Described network interaction control circuit includes
There is least one set impedance matching circuit, the circuit structure of every group of impedance matching circuit is identical, wherein first group of impedance matching circuit
Further included resistance R130 and R131 be connected with electric capacity C108 respectively after be grounded, resistance R132 and R133 respectively with electric capacity
It is grounded after C109 connections.
3. access control circuit according to claim 1, it is characterised in that：Described builtin voltage compensation circuit includes
By the bias voltage circuit being made up of electric capacity C85, C86 and resistance R97 parallel connections and ground connection, connect on the branch road that electric capacity C85 is located
There are inductance L4, inductance L4 connection internal compensation voltage output ends.
4. access control circuit according to claim 1, it is characterised in that：Described clock circuit by electric capacity C84 and
It is after C90 series connection then in parallel with quartz-crystal resonator Y2 and resistance R96 and be grounded composition.
5. access control circuit according to claim 1, it is characterised in that：Described network interaction control circuit includes
There is at least 1 group working indicating, every group of working indicating is made up of a light emitting diode and a resistant series.
6. access control circuit according to claim 1, it is characterised in that：Described reset circuit by resistance R95, two
Pole pipe D11 and electric capacity C103 are constituted.
7. access control circuit according to claim 1, it is characterised in that：Described master control borad circuit at least includes one
Group network protection circuit, described network protection circuit includes the Transient Suppression Diode TVS of two series connection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710100066.1A CN106656517A (en) | 2017-02-23 | 2017-02-23 | Entrance-exit control circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710100066.1A CN106656517A (en) | 2017-02-23 | 2017-02-23 | Entrance-exit control circuit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106656517A true CN106656517A (en) | 2017-05-10 |
Family
ID=58846077
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710100066.1A Pending CN106656517A (en) | 2017-02-23 | 2017-02-23 | Entrance-exit control circuit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106656517A (en) |
Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1039340A (en) * | 1989-03-28 | 1990-01-31 | 北京电子专科学校 | Control system for common line communication of data terminal and telephone |
| CN101295168A (en) * | 2008-05-19 | 2008-10-29 | 深圳市捷顺科技实业股份有限公司 | Passage brake movement control device and control method thereof |
| CN201523227U (en) * | 2009-10-29 | 2010-07-07 | 百圳君耀电子（深圳）有限公司 | Ethernet surge protection circuit |
| CN201616888U (en) * | 2009-11-23 | 2010-10-27 | 汕头高新区亚威科技有限公司 | Ethernet optical network unit |
| CN102118427A (en) * | 2010-12-15 | 2011-07-06 | 合肥工业大学 | Mine locomotive monitoring system under multilayer heterogeneous industrial control network convergence technology |
| CN202772667U (en) * | 2012-06-05 | 2013-03-06 | 史久云 | Power monitor terminal module |
| CN104362839A (en) * | 2014-12-04 | 2015-02-18 | 矽力杰半导体技术(杭州)有限公司 | Four-tube converter control circuit, four-tube converter and light load control method of four-tube converter |
| CN204189195U (en) * | 2014-10-16 | 2015-03-04 | 四川金投金融电子服务有限公司 | Article storage management system |
| CN105099189A (en) * | 2015-07-17 | 2015-11-25 | 深圳市华星光电技术有限公司 | Voltage compensation circuit and voltage compensation method based on voltage compensation circuit |
| CN105529827A (en) * | 2015-11-11 | 2016-04-27 | 国网山东省电力公司临沂供电公司 | Intelligent auxiliary processing device for regional intrusion prevention video |
| CN205646809U (en) * | 2016-05-13 | 2016-10-12 | 河南华道通信设备有限公司 | CPE terminal based on LTE technique possesses lightning protection function |
-
2017
- 2017-02-23 CN CN201710100066.1A patent/CN106656517A/en active Pending
Patent Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1039340A (en) * | 1989-03-28 | 1990-01-31 | 北京电子专科学校 | Control system for common line communication of data terminal and telephone |
| CN101295168A (en) * | 2008-05-19 | 2008-10-29 | 深圳市捷顺科技实业股份有限公司 | Passage brake movement control device and control method thereof |
| CN201523227U (en) * | 2009-10-29 | 2010-07-07 | 百圳君耀电子（深圳）有限公司 | Ethernet surge protection circuit |
| CN201616888U (en) * | 2009-11-23 | 2010-10-27 | 汕头高新区亚威科技有限公司 | Ethernet optical network unit |
| CN102118427A (en) * | 2010-12-15 | 2011-07-06 | 合肥工业大学 | Mine locomotive monitoring system under multilayer heterogeneous industrial control network convergence technology |
| CN202772667U (en) * | 2012-06-05 | 2013-03-06 | 史久云 | Power monitor terminal module |
| CN204189195U (en) * | 2014-10-16 | 2015-03-04 | 四川金投金融电子服务有限公司 | Article storage management system |
| CN104362839A (en) * | 2014-12-04 | 2015-02-18 | 矽力杰半导体技术(杭州)有限公司 | Four-tube converter control circuit, four-tube converter and light load control method of four-tube converter |
| CN105099189A (en) * | 2015-07-17 | 2015-11-25 | 深圳市华星光电技术有限公司 | Voltage compensation circuit and voltage compensation method based on voltage compensation circuit |
| CN105529827A (en) * | 2015-11-11 | 2016-04-27 | 国网山东省电力公司临沂供电公司 | Intelligent auxiliary processing device for regional intrusion prevention video |
| CN205646809U (en) * | 2016-05-13 | 2016-10-12 | 河南华道通信设备有限公司 | CPE terminal based on LTE technique possesses lightning protection function |
Non-Patent Citations (1)
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|---|
| 梁展: "基于以太网的联网型数字可视对讲***的硬件设计", 《中国优秀硕士学位论文全文数据库信息科技辑I136-432》 * |
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| PB01 | Publication | ||
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Application publication date: 20170510 |