CN213717973U

CN213717973U - Multifunctional access controller

Info

Publication number: CN213717973U
Application number: CN202023200438.4U
Authority: CN
Inventors: 方雪明; 胡碧霞; 夏焕波
Original assignee: Zhejiang Yiyun Internet Of Things Technology Co ltd
Current assignee: Zhejiang Yiyun Internet Of Things Technology Co ltd
Priority date: 2020-12-24
Filing date: 2020-12-24
Publication date: 2021-07-16
Anticipated expiration: 2030-12-24

Abstract

The utility model discloses a multifunctional entrance guard controller, which comprises a PCB (printed circuit board), wherein the PCB is connected with a DSP (digital signal processor) signal processing unit, the DSP signal processing unit is electrically connected with a Bluetooth signal analysis module, a TTL (transistor-transistor logic) level signal output end, a current signal output end, a switching value input end, a power input end and a switching signal input end, and the Bluetooth signal analysis module is electrically connected with a Bluetooth antenna; two mounting holes are formed through the PCB; the front surface of the PCB is taken as a reference, two notches are formed in the lower edge of the PCB in a concave mode, the notches are distributed at intervals and are arranged close to the right side of the lower edge of the front surface of the PCB, the defects that a conventional Bluetooth entrance guard is single in function, low in applicability and poor in expandability are overcome, the entrance guard system is enabled to be diversified in expansion function, and various components in the market can be adaptively and additionally installed; simple structure, it is rationally distributed, be favorable to each external device's access.

Description

Multifunctional access controller

Technical Field

The utility model relates to a controller, more specifically say a bit, relate to a multi-functional access control ware, belong to the access control field.

Background

Bluetooth is a radio technology supporting short-distance communication of devices within 10m generally, and can exchange wireless information among a plurality of devices including mobile phones, PDAs, wireless headsets, notebook computers, related peripherals and the like, and by using the bluetooth technology, the communication between mobile communication terminal devices can be effectively simplified, and the communication between the devices and the Internet can be successfully simplified, so that data transmission becomes faster and more efficient, and the way is widened for wireless communication. The existing Bluetooth technology is widely applied to the field of access control, but the existing conventional controller is single in function in the aspect of Bluetooth technology application, often only supports outputting a group of switching value signals, and is poor in expandability and low in applicability.

SUMMERY OF THE UTILITY MODEL

In order to solve the prior art problem, the utility model provides a multi-functional access control ware that has technical characterstic such as suitability is high, scalability is strong.

In order to achieve the above purpose, the utility model is realized by the following technical scheme:

a multifunctional entrance guard controller comprises a PCB, wherein the PCB is connected with a DSP signal processing unit, the DSP signal processing unit is electrically connected with a Bluetooth signal analysis module, a TTL level signal output end, a current signal output end, a switching value input end, a power supply input end and a switching signal input end, and the Bluetooth signal analysis module is electrically connected with a Bluetooth antenna; two mounting holes are formed through the PCB; the PCB is characterized in that the front side of the PCB is used as a reference, two notches are formed in the lower side of the PCB in a concave mode, and the notches are arranged at intervals and are close to the right side of the lower edge of the front side of the PCB.

Preferably, the power input end, the switching value input end, the bluetooth signal analysis module, the DSP signal processing unit, the current signal output end, the bluetooth antenna, and the switching signal output end are all disposed on the front side of the PCB; use the PCB board openly as the benchmark power input end, switching value input end are located PCB board front upper left corner, upper right corner respectively, switching signal output end, current signal output end, bluetooth antenna set up border department under the PCB board front in order, bluetooth antenna is located between two notches, DSP signal processing unit is located bluetooth antenna top, bluetooth signal analysis module is located DSP signal processing unit upper right side.

Preferably, the TTL level signal output terminal is disposed on the reverse side of the PCB and located at the upper edge of the reverse side of the PCB.

Preferably, the PCB is rectangular, and the Bluetooth antenna 5 is a printed antenna.

Preferably, the PCB board is installed in an 86-type installation box.

Preferably, the four corners of the PCB are cut to form arc corners with outward openings.

Has the advantages that: the defects of single function, low applicability and poor expandability of the conventional Bluetooth entrance guard are overcome, and various input and output modes of the Bluetooth signal input and the switching value signal input, such as an exit switch, TTL level signal output, current signal output, switch signal output and the like are provided, so that the entrance guard system has various extended functions and can be adapted to be additionally provided with various components in the market; simple structure, it is rationally distributed, be favorable to each external device's access.

Drawings

Fig. 1 is a schematic diagram of a front structure of the PCB board of the present invention.

Fig. 2 is a schematic diagram of a reverse structure of the PCB of the present invention.

Fig. 3 is a schematic wire frame diagram of the present invention.

Detailed Description

The present invention will be further described with reference to the drawings attached to the specification, but the present invention is not limited to the following embodiments.

As shown in fig. 1-3, a specific embodiment of a multifunctional access controller is provided, which includes a rectangular PCB, the PCB is connected to a DSP signal processing unit 4, the DSP signal processing unit 4 is electrically connected to a bluetooth signal analyzing module 3, a TTL level signal output end 8, a current signal output end 6, a switch signal output end 7, a switching value input end 2, a power input end 1, and a switch signal input end (an external switch or a knob provides a signal of the switch signal input end), the bluetooth signal analyzing module 3 is electrically connected to a bluetooth antenna 5, and the bluetooth antenna 5 is a printed antenna; two mounting holes 9 are formed through the PCB; the lower edge of the PCB is recessed with two notches 10 by taking the front surface of the PCB as a reference, and the notches 10 are arranged at intervals and are close to the right side of the lower edge of the front surface of the PCB;

the power input end 1, the switching value input end 2, the Bluetooth signal analysis module 3, the DSP signal processing unit 4, the current signal output end 6, the Bluetooth antenna 5 and the switching signal output end 7 are all arranged on the front surface of the PCB; use the PCB board openly as the benchmark power input end 1, switching value input 2 are located PCB board front upper left corner, upper right corner respectively, switching signal output 7, current signal output 6, bluetooth antenna 5 are arranged in proper order and are located border department under the PCB board front, bluetooth antenna 5 is located between two notches 10, DSP signal processing unit 4 is located bluetooth antenna 5 top, bluetooth signal analysis module 3 is located DSP signal processing unit 4 upper right side, TTL level signal output 8 sets up at PCB board reverse side, and is located border department on the PCB board reverse side, the PCB board is installed in the mounting box of 86 type mounting box and other specifications, the cutting four apex angles of PCB board are formed with the arc angle that the opening is outwards, and the stable fixing of being convenient for is in the mounting box and does not rock.

The working process is as follows: the authorized bluetooth entrance guard signal (generally sent by the mobile terminal) is received and amplified by the bluetooth antenna 5, and then sent to the bluetooth signal analyzing module 3 (bluetooth signal processor), useful signal is analyzed, and sent to the DSP signal processing unit 4, the signal is processed by the instruction set (the instruction set is not the technical essential of the present invention, and is omitted here) burned in advance, and finally corresponding TTL level signal, current signal or switch signal is output, if the received bluetooth entrance guard signal is not authorized or inconsistent with the signal format of the present invention, no signal is output, if the input signal is the switching value signal, the DSP signal processing unit 4 directly controls to output corresponding TTL level signal, current signal or switch signal (the type of the output signal is preset by the instruction set), the input voltage of the power input terminal 1 can support 5-36V dc power, the energy required by the work of the whole controller is provided.

The design scheme overcomes the defects of single function, low applicability and poor expandability of the conventional Bluetooth entrance guard, and provides a plurality of input and output modes of the Bluetooth signal input and the switching value signal input, which are commonly applied to an exit switch, TTL level signal output, current signal output, switch signal output and the like, so that the entrance guard system has various extended functions and can be adapted to be additionally provided with various components in the market; simple structure, it is rationally distributed, be favorable to each external device's access.

The switch signal input end is used for connecting a detection element which can take the switching value as an output form on the spot, such as a connection channel of an operation control button, a travel switch, a proximity switch, a pressure relay and the like, and converts related signals reflecting the production process into digital signals which can be received by the DSP signal processing unit 4; the switching value output end has a function of converting the sensed analog or digital signal into a switching value signal and then outputting the switching value signal, and the general switching value output is realized by a relay, such as single-throw single-pole, single-throw double-pole, double-throw double-pole and the like;

the TTL level signal (including output anode and output cathode) can be directly connected with the integrated circuit without expensive line driver and receiver circuit, the TTL level signal output end 8 mostly adopts parallel data transmission mode, in the digital circuit, the TTL electronic components form the level used by the circuit, the level is a voltage range, the specified output high level is more than 2.4V, and the output low level is less than 0.4V. At room temperature, the output high level is typically 3.5V and the output low level is 0.2V. Minimum input high and low: input high level > 2.0V, input low level < 0.8V, noise margin is 0.4V.

Finally, it should be noted that the present invention is not limited to the above embodiments, and many variations are possible. All modifications which can be derived or suggested by a person skilled in the art from the disclosure of the invention should be considered as within the scope of the invention.

Claims

1. The utility model provides a multi-functional access controller which characterized in that: the Bluetooth signal analysis device comprises a PCB, wherein a DSP signal processing unit (4) is connected to the PCB, the DSP signal processing unit (4) is electrically connected with a Bluetooth signal analysis module (3), a TTL level signal output end (8), a current signal output end (6), a switching signal output end (7), a switching value input end (2), a power input end (1) and a switching signal input end, and the Bluetooth signal analysis module (3) is electrically connected with a Bluetooth antenna (5); two mounting holes (9) are formed through the PCB; the PCB is characterized in that the front surface of the PCB is used as a reference, two notches (10) are formed in the lower edge of the PCB in a concave mode, and the notches (10) are arranged at intervals and are close to the right side of the lower edge of the front surface of the PCB.

2. The multi-functional entrance guard controller of claim 1, characterized in that: the power input end (1), the switching value input end (2), the Bluetooth signal analysis module (3), the DSP signal processing unit (4), the current signal output end (6), the Bluetooth antenna (5) and the switching signal output end (7) are all arranged on the front face of the PCB; use the PCB board openly as the benchmark power input end (1), switching value input end (2) are located PCB board front upper left corner, upper right corner respectively, switching signal output part (7), current signal output part (6), bluetooth antenna (5) are preface setting up border department under the PCB board front, bluetooth antenna (5) are located between two notch (10), DSP signal processing unit (4) are located bluetooth antenna (5) top, bluetooth signal analysis module (3) are located DSP signal processing unit (4) upper right side.

3. A multi-functional access control device according to claim 1 or 2, characterized in that: the TTL level signal output end (8) is arranged on the reverse side of the PCB and is positioned at the upper edge of the reverse side of the PCB.

4. The multi-functional entrance guard controller of claim 1, characterized in that: the PCB board is rectangle, bluetooth antenna (5) are printing formula antenna.

5. The multi-functional entrance guard controller of claim 1, characterized in that: the PCB board is arranged in the 86-type mounting box.

6. The multi-functional entrance guard controller of claim 1, characterized in that: and cutting the four top corners of the PCB to form arc corners with outward openings.