CN218299080U

CN218299080U - Split type entrance guard's equipment that possesses multi-user input mode

Info

Publication number: CN218299080U
Application number: CN202222589183.8U
Authority: CN
Inventors: 徐建明; 姚坚泽
Original assignee: Shenzhen Fujica Intelligentized System Co ltd
Current assignee: Shenzhen Fuji Intelligent Co.,Ltd.
Priority date: 2022-09-29
Filing date: 2022-09-29
Publication date: 2023-01-13
Anticipated expiration: 2032-09-29

Abstract

The utility model discloses a split type entrance guard's equipment that possesses multi-user input mode among split type access control system, this internal integration has split type entrance guard control circuit and connected input circuit, password input circuit, the bluetooth input circuit of punching the card on being equipped with main circuit board of equipment, and MCU's among the split type entrance guard control circuit pin includes multiunit input pin group: the Bluetooth input pin group is connected with a Bluetooth chip of the Bluetooth input circuit, and the Bluetooth chip is connected with external Bluetooth equipment; the password input pin group is connected with a password chip of the password input circuit, and the password chip is connected with the touch pad on the main circuit board; and the card swiping input pin group is connected with a card swiping chip of the card swiping input circuit, and the card swiping chip is connected with the external antenna. The utility model discloses a control input of user's multiple mode, user operation is more nimble, convenient to system integration degree is higher, and occupation space is little, and the system is with low costs.

Description

Split type entrance guard's equipment that possesses multi-user input mode

Technical Field

The utility model relates to a split type access control system, specific theory relates to a split type entrance guard's equipment that possesses multi-user input mode.

Background

The split type access control system is an access control system with a card reading part and a control part separated, and the card reading part is independently installed outside a door, while the controller is installed indoors, so that the split type access control system is reliable in safety and widely applied. In the existing split type access control system, a split type reading head (namely a card reading part) only has an independent card swiping input mode, an entity card needs to be issued to a user in the process, and the user needs to carry about. When the user forgets to take the card, lose the card and the like, or aiming at temporary visitors without the card, the split type access control system is limited, and the passing and experience of the user are influenced.

The invention patent application with the Chinese patent application number of 202210273556.2 discloses an intelligent access control system, wherein a split type intelligent access control module comprises four independent modules, namely a face recognition module, a card swiping door opening module, a mobile phone APP door opening module and a visitor calling owner room door opening module, and the functions of opening a door by recognizing face information, opening a door by swiping card information, opening a door by a mobile phone APP input mode, opening a door by a user indoors and the like can be respectively realized through the application of the modules.

However, in the prior art, each access control module is independently established, which results in that the whole access control system is huge, the circuit structure of the system is complex, the system cost is high, and the installation is inconvenient.

The above-mentioned drawbacks, worth improving.

SUMMERY OF THE UTILITY MODEL

In order to overcome the deficiencies of the prior art, the utility model provides a split type entrance guard's equipment that possesses multi-user input mode.

The utility model discloses technical scheme as follows:

a split type entrance guard equipment with a multi-user input mode comprises an equipment body, wherein a main circuit board is arranged in the equipment body, and the split type entrance guard equipment is characterized in that a split type entrance guard control circuit, a card swiping input circuit, a password input circuit and a Bluetooth input circuit are integrated on the main circuit board, and the card swiping input circuit, the password input circuit and the Bluetooth input circuit are all connected with the split type entrance guard control circuit;

split type access control circuit includes MCU, MCU's pin includes multiunit input pin group, and it includes:

the Bluetooth input pin group is connected with a Bluetooth chip of the Bluetooth input circuit, and the Bluetooth chip is also connected with external Bluetooth equipment;

the password input pin group is connected with a password chip of the password input circuit, and the password chip is also connected with a touch pad on the main circuit board;

and the card swiping input pin group is connected with a card swiping chip of the card swiping input circuit, and the card swiping chip is also connected with an external antenna.

According to the above scheme the utility model discloses, a serial communication port, split type access control circuit still includes filter circuit, filter circuit includes the magnetic bead, and power supply passes through the magnetic bead with MCU connects.

According to above scheme the utility model discloses, a serial communication port, split type access control circuit still includes crystal oscillator clock circuit, crystal oscillator clock circuit includes crystal oscillator and clock electric capacity, the one end of crystal oscillator with MCU's clock input end, one clock electric capacity is connected, the other end of crystal oscillator with MCU's clock output end, another clock electric capacity is connected, two clock electric capacities all ground connection.

According to the above scheme the utility model discloses, a serial communication port, the bluetooth chip pass through the serial ports with bluetooth input pin connects, MCU's pilot lamp pin is connected with bluetooth indication diode's negative pole, bluetooth indication diode's positive pole is connected with power supply through eighth resistance.

According to the above scheme the utility model discloses, a serial communication port, the password chip includes a plurality of password input pins, a plurality of password output pin, through pad resistance connection between password input pin and the touch pad that corresponds, password output pin with the corresponding pin connection in the password input pin group.

According to above-mentioned scheme the utility model discloses, a serial communication port, the chip of punching the card includes antenna transmission pin, antenna transmission pin with external antenna connects, the chip of punching the card still includes output pin, output pin with input pin group link punches the card.

According to the above scheme the utility model discloses, a serial communication port, still integrated on the main circuit board has bee calling organ drive circuit, bee calling organ drive circuit includes switch circuit, switch circuit's input with MCU connects, switch circuit's output and bee calling organ are connected.

Furthermore, the buzzer driving circuit further comprises a detection circuit for detecting whether the buzzer acts, an input end of the detection circuit is connected with the switch circuit, and an output end of the detection circuit is connected with the MCU.

According to above-mentioned scheme the utility model discloses, its characterized in that, it has wiegand output circuit still to integrate on the main circuit board, MCU passes through wiegand output circuit and split type control connection.

Furthermore, the wiegand output circuit comprises a push-pull output branch, the push-pull output branch comprises two switch tubes connected in series, the common end of the two switch tubes is connected with the split control, and the enabling ends of the two switch tubes are connected with the MCU.

According to the scheme, the utility model has the advantages that the Bluetooth input circuit, the password input circuit and the card swiping input circuit are integrated with the main circuit board, so that the circuit complexity of the main circuit board is reduced, the hardware occupation space of the split type access control equipment is saved, and the system design cost is low;

and simultaneously, the utility model discloses a bluetooth input circuit has realized bluetooth input control, has realized password input control through password input circuit, has realized the input control of punching the card through the input circuit of punching the card, and it provides the control of convenient split type control through the control input of user's multiple mode for user's operation is more nimble, and suitable scene is abundanter.

Drawings

Fig. 1 is a block diagram of the circuit structure of the present invention;

fig. 2 is a schematic diagram of a split access control circuit of the present invention;

fig. 3 is a schematic diagram of a bluetooth input circuit of the present invention;

fig. 4 is a schematic diagram of the password input circuit of the present invention;

FIG. 5 is a schematic diagram of a card swiping input circuit of the present invention;

fig. 6 is a schematic diagram of the driving circuit of the buzzer in the present invention;

FIG. 7 is a schematic diagram of a Wiegand output circuit according to the present invention;

fig. 8 is a schematic diagram of a middle inverter circuit according to the present invention.

Detailed Description

The invention is further described with reference to the following figures and embodiments:

as shown in fig. 1, the utility model discloses an among the present split type access control system of solution, split type access control equipment's the single defect that system integration degree is low of input mode, provided a split type access control equipment who possesses multi-user input mode, it is connected with split type controller to the management of opening and close of entrance guard has been realized through split type controller.

This split type entrance guard's equipment that possesses multi-user input mode includes the equipment body, this internal main circuit board that is equipped with of equipment, integrated split type entrance guard control circuit, the input circuit of punching the card, password input circuit, bluetooth input circuit on the main circuit board, and input circuit, password input circuit, bluetooth input circuit of punching the card all with split type entrance guard control circuit connection. The utility model discloses not only realized multiple control mode such as entrance guard's card swiping control, password control, bluetooth control, it is still through with each part circuit integration on main circuit board for whole split type entrance guard's equipment integration level is higher, has reduced the defect that system mechanism is complicated that various control mode brought, and the space that whole split type entrance guard's equipment occupy is littleer, and consequently the installation is also more convenient.

As shown in fig. 1 and fig. 2, the utility model provides a split type access control circuit is responsible for whole access control supervisory control, and it includes MCU and MCU's peripheral circuit, and MCU is used for realizing that the function is always controlled, and MCU's peripheral circuit is used for realizing access control supervisory control's auxiliary function.

The pins of the MCU include a plurality of input pin sets, and in this embodiment, the input pin sets include a bluetooth input pin set, a password input pin set, and a card swiping input pin set. Wherein the content of the first and second substances,

the Bluetooth input pin group (part of pins in the left area of the MCU in the figure) is connected with the Bluetooth input circuit and is used for realizing the control mode of Bluetooth input; the password input pin group (part of pins in the right area of the MCU in the figure) is connected with the password input circuit and used for realizing the control mode of password input, and the card swiping input pin group (part of pins in the upper left area of the MCU in the figure) is connected with the card swiping input circuit and used for realizing the control mode of card swiping input.

Split type access control circuit still includes filter circuit, and filter circuit includes magnetic bead FB2, and power supply VCC _3.3V passes through magnetic bead FB2 to be connected with MCU, realizes the stability of inputing to MCU's power to power supply VCC _ 3.3V's filtering through magnetic bead FB 2. One end of the magnetic bead FB2 is connected with a plurality of input capacitors and a power supply VCC _3.3V, the other end of the magnetic bead FB2 is connected with a plurality of output capacitors and a power supply voltage VCC _ VDDA of the MCU, and the other end of the input capacitors and the other end of the output capacitors are all grounded. In addition, in the split access control circuit, the capacitor C48/the capacitor C49/the capacitor C50 are decoupling capacitors and filter a VCC _3.3V power supply.

The split type entrance guard control circuit further comprises a crystal oscillator clock circuit, the crystal oscillator clock circuit comprises a crystal oscillator Y2 and a clock capacitor, one end of the crystal oscillator Y2 is connected with a clock input end OSC _ IN and a clock capacitor C36 of the MCU, the other end of the crystal oscillator Y2 is connected with a clock output end OSC _ OUT and another clock capacitor C45 of the MCU, and the other end of the clock capacitor C36 and the other end of the clock capacitor C45 are both grounded. The crystal oscillator clock circuit provides clock signals for the MCU, so that the MCU can work normally.

As shown in fig. 1 to fig. 3, the bluetooth input circuit of the present invention includes a bluetooth chip BT1, and the bluetooth chip BT1 is connected to an external bluetooth device. Bluetooth chip BT1 passes through the serial ports and is connected with the bluetooth input pin, and MCU's pilot lamp pin (29 th pin promptly) is connected with bluetooth indicator diode D7's negative pole, and bluetooth indicator diode D7's positive pole is connected with power supply VCC _3.3V through eighth resistance R8.

Specifically, a 16 th pin of the bluetooth chip BT1 is connected to a 30 th pin of the MCU, and a 17 th pin thereof is connected to a 31 th pin of the MCU, so that the MCU communicates with the bluetooth chip BT1 through the serial port TX/RX to receive and transmit data and drive the bluetooth chip BT1 to operate. In the working process, when the Bluetooth chip BT1 is connected with an external Bluetooth device, the MCU receives data through the serial port and controls the BT _ LED to output a low level, and the Bluetooth indication diode D7 is bright to indicate the Bluetooth connection state.

As shown in fig. 1, fig. 2 and fig. 4, the password input circuit of the present invention includes a password chip U10, and the password chip U10 is further connected to the touch pads (i.e., TP1 to TP 12) on the main circuit board. The password chip comprises a plurality of password input pins (namely SW 01-SW 11) and a plurality of password output pins (TH _ D0-TH _ D3), the password input pins (namely SW 0-SW 11) are connected with corresponding touch pads (namely TP 1-TP 12) through pad resistors (for example TP1 is connected with SW0 through resistor R1), and the password output pins (TH _ D0-TH _ D3) are connected with corresponding pins (the 21 st pin, the 22 nd pin, the 25 TH pin and the 26 TH pin of the MCU) in a password input pin group.

In the process of implementing touch control, taking the touch pad TP1 as an example, when a human body touches the touch pad TP1, a small resistor is connected in series between the touch pad TP1 and the ground, so as to form a capacitor-type battery, and the SW0 output of the crypto chip U10 is charged at a high level and then input through the SW 0. When touching occurs, the TH _ IRQ pin is pulled down to inform the MCU, the MCU acquires the levels of TH _ D0-TH _ D3 to form a BCD code, namely the current touched pin numbers SW 01-SW 11 can be known, and the corresponding password input is acquired. The process that the touch pad converts into the BCD code is that password chip U10 self realizes, the utility model discloses do not make the adjustment to this part, so no longer detail this part content.

As shown in fig. 1, fig. 2 and fig. 5, the utility model discloses well card swiping input circuit includes card swiping chip U3, card swiping chip U3 still with through pin P1 with external antenna connection for receive the triggering signal of outside RFID card.

The card swiping chip U3 comprises an antenna transmission pin (a 10 th pin to a 14 th pin), the antenna transmission pin is connected with an external antenna through a pin P1, the card swiping chip U3 further comprises an output pin (a 6 th pin, a 23 th pin, a 24 th pin, a 29 th pin, a 30 th pin and a 31 st pin), and the output pin is connected with a card swiping input pin group (namely the 10 th pin, the 11 th pin and the 14 th to the 17 th pin of the MCU).

In the implementation process, the card swiping chip U3 sends a characteristic signal RX pin through the TX1/TX2 to receive an antenna signal, information interaction is formed, and input control of an external RFID card is achieved.

As shown in fig. 1, fig. 2, fig. 6, and fig. 8, the main circuit board of the present invention is further integrated with a buzzer driving circuit for implementing a buzzer prompting function.

The specific buzzer driving circuit comprises a switch circuit, wherein the input end of the switch circuit is connected with the MCU through a phase inverter circuit, and the output end of the switch circuit is connected with the buzzer LS 1. In this embodiment, the switch circuit specifically includes a sixth resistor R6, a seventh resistor R7, a fifth transistor Q5, a third resistor R3, a third transistor Q3, and a fortieth resistor R40. Preferably, the buzzer driving circuit further comprises a detection circuit for detecting whether the buzzer is operated, an input end of the detection circuit is connected with the switch circuit, and an output end of the detection circuit is connected with the MCU, wherein the detection circuit comprises a tenth resistor R10, a forty-fifth resistor R45, a forty-fourth resistor R44, an 11-th resistor R11, a ninth capacitor C9, a seventh triode Q7 and a fourth resistor R4.

In the implementation process of the buzzer driving circuit, the SPO _ Ctrl is a driving pin for controlling the buzzer to work by the MCU, when the SPO _ Ctrl is at a high level, the fifth triode Q5 is turned on, the 1 st pin of the third triode Q3 is at a low level, the third triode Q3 is turned on, VCC _5V supplies power to the buzzer LS1, and the buzzer works at this time.

SP is a driving pin for controlling the buzzer to work through an external signal, when SP is at a high level, a 1 st pin of a seventh triode Q7 conducting a third triode Q3 is at a low level, the third triode Q3 is conducted, VCC _5V supplies power to the buzzer LS1, and at the moment, the buzzer works;

and the SP _ To _ Check is an MCU input detection pin and is used for detecting whether a driving buzzer acts outside, and the tenth resistor R10 and the forty-fifth resistor R45 are current-limiting currents To protect the MCU pin from being broken down and damaged by an external signal.

As shown in fig. 1, fig. 2, fig. 7 and fig. 8, the main circuit board of the present invention is further integrated with a wiegand output circuit, and the MCU is connected to the split control via the wiegand output circuit.

The wiegand output circuit comprises a push-pull output branch circuit, the push-pull output branch circuit comprises two switching tubes (for example, a first triode Q1 and a second triode Q2 form the push-pull output branch circuit) which are connected in series, the common end of the two switching tubes is connected with the split type control, and the enabling ends of the two switching tubes are connected with the MCU through a phase inverter circuit.

Taking the DATA0 circuit as an example, the first transistor Q1 and the second transistor Q2 form a push-pull output circuit for enhancing the stability of signal output. When DAT0_ Ctrl is at a high level, the first transistor Q1 is turned off and is not turned on, and the second transistor Q2 is turned on, and at this time, DATA0 outputs a low level. When DAT0_ Ctrl is at a low level, the second transistor Q2 is turned off and is not turned on, the first transistor Q1 is turned on, and at this time, DATA0 outputs a high level. The MCU sends the card reading information to the outside by controlling the circuit and adopting a Wiegand protocol.

The utility model discloses an above-mentioned circuit can realize the control mode of the multiple input of user, on the basis of traditional entity card swiping card, has increased modes such as bluetooth control, password control, has avoided the user to use the scene to be restricted. Meanwhile, the whole circuit system is integrated on the main circuit board, so that the integration degree of the whole system is higher, resources are saved, and occupied space cost is reduced.

It will be understood that modifications and variations can be made by persons skilled in the art in light of the above teachings and all such modifications and variations are considered to be within the scope of the invention as defined by the following claims.

The above exemplary description of the present invention is made in conjunction with the accompanying drawings, and it is obvious that the present invention is not limited by the above manner, and various improvements made by the method concept and technical solution of the present invention or by directly applying the concept and technical solution of the present invention to other occasions without improvement are all within the protection scope of the present invention.

Claims

1. A split type entrance guard equipment with a multi-user input mode comprises an equipment body, wherein a main circuit board is arranged in the equipment body, and the split type entrance guard equipment is characterized in that a split type entrance guard control circuit, a card swiping input circuit, a password input circuit and a Bluetooth input circuit are integrated on the main circuit board, and the card swiping input circuit, the password input circuit and the Bluetooth input circuit are all connected with the split type entrance guard control circuit;

2. The split type access control device with the multi-user input mode according to claim 1, wherein the split type access control circuit further comprises a filter circuit, the filter circuit comprises a magnetic bead, and a power supply is connected with the MCU through the magnetic bead.

3. The split type access control device with the multi-user input mode according to claim 1, wherein the split type access control circuit further comprises a crystal oscillator clock circuit, the crystal oscillator clock circuit comprises a crystal oscillator and a clock capacitor, one end of the crystal oscillator is connected with the clock input end of the MCU and one of the clock capacitors, the other end of the crystal oscillator is connected with the clock output end of the MCU and the other of the clock capacitors, and both the two clock capacitors are grounded.

4. The split type access control device with the multi-user input mode according to claim 1, wherein the bluetooth chip is connected to the bluetooth input pin through a serial port, the indicator pin of the MCU is connected to the cathode of the bluetooth indicator diode, and the anode of the bluetooth indicator diode is connected to the power supply through an eighth resistor.

5. The split type access control device with the multi-user input mode according to claim 1, wherein the password chip comprises a plurality of password input pins and a plurality of password output pins, the password input pins are connected with corresponding touch pads through pad resistors, and the password output pins are connected with corresponding pins in the password input pin group.

6. The split type access control device with the multi-user input mode according to claim 1, wherein the card swiping chip comprises an antenna transmission pin, the antenna transmission pin is connected with the external antenna, the card swiping chip further comprises an output pin, and the output pin is connected with the card swiping input pin group.

7. The split type access control device with the multi-user input mode according to claim 1, wherein a buzzer driving circuit is further integrated on the main circuit board, the buzzer driving circuit comprises a switch circuit, an input end of the switch circuit is connected with the MCU, and an output end of the switch circuit is connected with the buzzer.

8. The split type access control device with the multi-user input mode according to claim 7, wherein the buzzer driving circuit further comprises a detection circuit for detecting whether the buzzer operates, an input end of the detection circuit is connected with the switch circuit, and an output end of the detection circuit is connected with the MCU.

9. The split type access control device with the multi-user input mode according to claim 1, wherein a wiegand output circuit is further integrated on the main circuit board, and the MCU is connected with the split type control through the wiegand output circuit.

10. The split type access control device with the multi-user input mode according to claim 9, wherein the wiegand output circuit comprises a push-pull output branch, the push-pull output branch comprises two switch tubes connected in series, a common end of the two switch tubes is connected with the split type control, and enable ends of the two switch tubes are connected with the MCU.