CN216118904U

CN216118904U - CPU card access controller of community transformer substation

Info

Publication number: CN216118904U
Application number: CN202120763970.2U
Authority: CN
Inventors: 陈海涛; 赵家祥; 赵文康
Original assignee: Jiangsu Xiaokang Electricity Technology Co ltd
Current assignee: Jiangsu Xiaokang Electricity Technology Co ltd
Priority date: 2021-04-14
Filing date: 2021-04-14
Publication date: 2022-03-22
Anticipated expiration: 2031-04-14

Abstract

The utility model belongs to the technical field of access control, and particularly relates to a CPU card access controller of a residential substation. The CPU card access controller comprises a mainboard and a main controller, wherein the main controller is arranged on the mainboard, and the mainboard is also provided with an access card reading head, a storage module, a clock module, a region encoder, a lock control circuit and an RS485 communication module; entrance guard's card read head, storage module, clock module, regional encoder, tool to lock control circuit, RS485 communication module are connected with the main control unit electricity respectively, the mainboard is a circuit board, a plurality of binding post have on the mainboard, entrance guard's card read head, storage module, clock module, regional encoder, tool to lock control circuit, RS485 communication module insert a binding post respectively and connect. The CPU card access controller is not easy to crack and copy, and the safety factor is high; the authorization is convenient, the management is convenient, and the card reading record is convenient for inquiring.

Description

CPU card access controller of community transformer substation

Technical Field

The utility model belongs to the technical field of access control, and particularly relates to a CPU card access controller of a residential substation.

Background

With the improvement of security awareness of people, the safety of a residential area is ensured by the perfection performance of people on a residential area access control system. The substation of a residential area serves as a necessary place for supplying power to residents, and is usually provided with an access controller in order to strengthen the safety precaution of the substation and realize scientific information management of the substation.

At present, a common IC access control card is generally adopted for access control of a residential area substation, but the common IC access control card is used as an information carrier, information is stored through an integrated circuit in the card, but a protection password of the access control card is easy to crack, so that the access control card is copied, and a large potential safety hazard exists; for authorization of access control card permission, a corresponding card number corresponding to the access control card is generally adopted to be correspondingly authorized with the access control of a residential area substation, remote addition or deletion of the access control permission can be realized in networking operation, but the access control is required to be added or deleted locally when the networking is not performed, so that the permission management is inconvenient; when the IC access control card is used, a manager in the area A can only open a substation in a cell governed by the area A, when the post of the manager in the area is transferred, the authority of the manager in the area needs to be deleted or added again, and the management of the authority of the manager in the area is inconvenient; similarly, when a temporary access card is added, the authority of the temporary access card needs to be newly added, and the temporary card is difficult to manage; in addition, when the access controller is not networked, the access card swiping record can be only called locally, and the access record is inconvenient to call. The access controller is inconvenient to use and low in safety factor.

SUMMERY OF THE UTILITY MODEL

The technical problem to be solved by the utility model is as follows: aiming at the defects, the utility model provides the CPU card access controller of the community transformer substation, which is not easy to crack and copy and has high safety factor; the authorization is convenient, the management is convenient, and the card reading record is convenient for inquiring.

The technical scheme adopted by the utility model for solving the technical problems is as follows: the CPU card access controller of the community transformer substation comprises a mainboard and a main controller, wherein the main controller is installed on the mainboard, and the mainboard is also provided with an access card reading head, a storage module, a clock module, a region encoder, a lock control circuit and an RS485 communication module; the entrance guard card reading head, the storage module, the clock module, the area encoder, the lock control circuit and the RS485 communication module are respectively and electrically connected with the main controller.

As an improvement of the present invention, the main board is a circuit board, the main board has a plurality of connection terminals, and the access card reading head, the storage module, the clock module, the area encoder, the lock control circuit, and the RS485 communication module are respectively connected to one connection terminal.

As a further improvement mode of the utility model, the entrance guard card reading head comprises a card reader CPU, an encryption module and a card reader end secret key, the card reader CPU corresponds to the controller CPU, the encryption module corresponds to the decryption module, the card reader end secret key corresponds to the controller secret key, the controller CPU, the decryption module and the controller secret key are arranged in a control chip, the entrance guard card reading head is electrically connected with a main controller in a plugging mode, and the control chip is connected with the main controller in a sensing mode.

As a further improvement mode of the present invention, the control chip is disposed in the access card in contact with the access card reading head or in the radio frequency access card in non-contact with the access card reading head.

As another improvement mode of the present invention, the area encoder includes an area editor, an address digital-to-analog converter, an area model, and a toggle switch, where the toggle switch is adjusted on the area model, and the toggle switch is adjusted to different positions on the area model as different areas.

As another improvement mode of the present invention, the lock control circuit is one of an electromagnetic lock control circuit, an entrance guard electric plug lock control circuit, or an entrance guard electric plug lock control circuit.

As a further improvement mode of the present invention, the lock control circuit includes a microprocessor module, a door lock driving circuit, a vibration reset circuit and an alarm circuit, and the door lock driving circuit, the vibration reset circuit and the alarm circuit are all electrically connected to the microprocessor module.

As another improvement mode of the utility model, the RS485 communication module is composed of a triode, a first diode, a second diode, a single chip, a first dc bias resistor, a second dc bias resistor, a third dc bias resistor, and a capacitor connected in series-parallel to form an RS485 communication interface and a wiegand interface.

As another improvement mode of the utility model, the entrance guard card reading head adopts a Wiegand protocol technology; the main controller adopts an embedded microcontroller control technology.

Compared with the traditional technical means, the technical scheme of the utility model has the following beneficial effects:

1. the access control card adopts a CPU access control card and a CPU access control reading head, adopts an advanced encryption mode, is not easy to crack and copy under the prior art condition, and has high safety factor.

2. The authorization is convenient, only the access control card needs to be authorized, and the card reader compares the password, the timeliness and the regional authority of the access control card during card swiping.

3. The regional authority management is convenient, and a regional address is set on the access controller according to the region where the access control equipment is located when the access control equipment is installed, for example, the regional address is set to be 1 when the area A is located; and B area, setting area address as 2. Thus, the access control card of the administrator in the area A can only enter the substation in the area A.

4. The temporary card is convenient to manage, the starting and stopping time is set during card issuing, the access controller is judged to be an invalid card when the starting and stopping time is exceeded, and the door cannot be opened.

5. The card swiping record is convenient to inquire, the access controller compares the password, the time effect and the area information when swiping the card, the comparison is successful, the door lock is unlocked for the effective card, and the card swiping record is written into the data sector of the access card. The card swiping record comprises the access controller SN and the card swiping time. And the access control management software obtains a card swiping record by reading the data in the sector of the access control card. Meanwhile, local card swiping record storage and query can be realized.

Drawings

The foregoing and other objects, features, and advantages of the utility model will be apparent from the following detailed description taken in conjunction with the accompanying drawings.

FIG. 1 is a schematic diagram of a CPU card gate inhibition controller according to the present invention;

FIG. 2 is a schematic flow chart of the CPU card access controller of the present invention;

FIG. 3 is a schematic diagram of a reading head of the access card according to the present invention;

FIG. 4 is a schematic diagram of a memory module according to the present invention;

FIG. 5 is a schematic diagram of a clock module according to the present invention;

FIG. 6 is a schematic diagram of a block encoder according to the present invention;

FIG. 7 is a schematic diagram of a lock control circuit according to the present invention;

FIG. 8 is a schematic structural diagram of an RS485 communication module according to the present invention;

wherein:

1 is a main board, and 11 is a wiring terminal;

2 is a main controller;

3, an entrance guard card reading head, a card reader CPU (central processing unit) 31, an encryption module 32, a card reader end key 33, a controller CPU 34, a decryption module 35, a controller key 36 and a control chip 37;

4 is a storage module, 41 is a CPU sector memory, 42 is a CPU data conversion module, and 43 is a CPU data processing module;

5 is a clock module;

6 is a region encoder, 61 is a region editor, 62 is an address digital-to-analog converter, 63 is a region model, and 64 is a toggle switch;

7 is a lock control circuit, 71 is a microprocessor module, 72 is a door lock driving circuit, 73 is a vibration reset circuit, and 74 is an alarm circuit;

the communication module 8 is an RS485 communication module, 81 is a triode, 82 is a first diode, 83 is a second diode, 84 is a singlechip, 85 is a first direct current bias resistor, 86 is a second direct current bias resistor, 87 is a third direct current bias resistor, 88 is a capacitor, 89 is a communication structure, and 80 is a Wiegand interface.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. The components of embodiments of the present invention generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.

Claims

1. District transformer substation CPU card access controller, including mainboard and main control unit, on the main control unit installation mainboard, its characterized in that: the main board is also provided with an entrance guard card reading head, a storage module, a clock module, a region encoder, a lock control circuit and an RS485 communication module; the entrance guard card reading head, the storage module, the clock module, the area encoder, the lock control circuit and the RS485 communication module are respectively and electrically connected with the main controller.

2. The cell substation CPU card access controller of claim 1, characterized in that: the access control card reading head, the storage module, the clock module, the area encoder, the lock control circuit and the RS485 communication module are respectively connected with a wiring terminal.

3. The cell substation CPU card access controller of claim 1, characterized in that: the entrance guard card reading head comprises a card reader CPU, an encryption module and a card reader end secret key, the card reader CPU corresponds to the controller CPU, the encryption module corresponds to the decryption module, the card reader end secret key corresponds to the controller secret key, the controller CPU, the decryption module and the controller secret key are arranged in a control chip, the entrance guard card reading head is electrically connected with a main controller in a plugging mode, and the control chip is connected with the main controller in an induction mode.

4. The cell substation CPU card access controller of claim 3, wherein: the control chip is arranged in the entrance guard card which is in contact with the entrance guard card reading head in a fitting manner or in the radio frequency entrance guard card which is not in contact with the entrance guard card reading head.

5. The cell substation CPU card access controller of claim 1, characterized in that: the area encoder comprises an area editor, an address digital-to-analog converter, an area model and a plectrum switch, wherein the plectrum switch is adjusted on the area model, and the plectrum switch is adjusted to different positions on the area model to be different areas.

6. The cell substation CPU card access controller of claim 1, characterized in that: the lock control circuit is one of an electromagnetic lock control circuit, an entrance guard electric insert lock control circuit or an entrance guard electric control lock control circuit.

7. The cell substation CPU card access controller of claim 6, wherein: the lock control circuit comprises a micro-processing module, a door lock driving circuit, a vibration reset circuit and an alarm circuit, wherein the door lock driving circuit, the vibration reset circuit and the alarm circuit are all electrically connected with the micro-processing module.

8. The cell substation CPU card access controller of claim 1, characterized in that: and the RS485 communication module is composed of an RS485 communication interface and a Wiegand interface which are formed by connecting a triode, a first diode, a second diode, a singlechip, a first direct current bias resistor, a second direct current bias resistor, a third direct current bias resistor and a capacitor in series and parallel.

9. The cell substation CPU card access controller of claim 1, characterized in that: the access control card reading head adopts a Wiegand protocol technology; the main controller adopts an embedded microcontroller control technology.