CN209674021U - A kind of human body infrared inductor of integrated communicaton - Google Patents

Abstract

The utility model discloses a kind of human body infrared inductors of integrated communicaton, belong to human body infrared inductor field, including Zigbee communication circuit and RS-485 communication and control circuit, the Zigbee communication circuit includes Zigbee communication module U5, LED indication status circuit, digital infrared probe PIR, enters logout manual key circuit ,+3.3V power supply, and RS-485 communication and control circuit are made of main control MCU U3, RS-485 chip U4, MCU reset circuit, LED indication status circuit, digital infrared probe and peripheral circuit ,+3.3V power supply.The utility model solves human body infrared inductor product communication plan compatibility issue, and RS-485 wire communication and Zigbee wireless communication function are combined into one, and saves development cost, releases the activity of the more scene applications of product.In addition circuit design can accomplish high integration, so that human body infrared inductor apparent size and aesthetic appearance can also be taken into account, the application range of product is greatly increased.

Description

A kind of human body infrared inductor of integrated communicaton

Technical field

The utility model relates to a kind of human body infrared inductor, the human body infrared inductors of specifically a kind of integrated communicaton.

Background technique

Thermal infrared human inductor as a cat eyes, night surveillance emotionally, very important person is at≤8 meters, the visual field 120 ° of angle, monitoring can be opened and show light, and concatenate burglar alarm, to high-rise and tier building corridor switch light ten Divide safety.

Human body infrared inductor is widely used in the every field such as smart home and security protection, difference neck as inductive terminations The application in domain has different functional requirements to product.For example, when be applied to Intelligent household scene, consider the convenient of network construction and Aesthetics need to use Zigbee communication；When being applied to security protection scene, adopted to guarantee that communication stability then usually requires that With RS-485 wired communication protocol；Existing human body infrared inductor cannot integrate RS-485 and Zigbee two in a product Kind communication mode, is not suitable for different application scene, increases development cost.

Utility model content

For existing problem, the purpose of this utility model is to provide a kind of human body infrared inductor of integrated communicaton, To solve the problems mentioned in the above background technology.

To achieve the above object, the utility model provides the following technical solutions:

A kind of human body infrared inductor of integrated communicaton, including Zigbee communication circuit and RS-485 communication and control electricity Road, the Zigbee communication circuit include Zigbee communication module U5, LED indication status circuit, digital infrared probe PIR, Enter logout manual key circuit ,+3.3V power supply, PIN1, PIN17 connection+3.3V power supply of Zigbee communication module U5, Zigbee The PIN2 of communication module U5 connects the PIN2 of digital infrared probe PIR, PIN4, PIN13 ground connection of Zigbee communication module U5； The PIN5 of Zigbee communication module U5 and enter logout manual key circuit connection, the PIN8 connection LED of Zigbee communication module U5 Instruction state circuit；

RS-485 communication and control circuit are by main control MCU U3, RS-485 chip U4, MCU reset circuit, LED indication state Circuit, digital infrared probe and peripheral circuit ,+3.3V power supply composition, the PIN1 connection RS-485 chip U4 of main control MCU U3 PIN5, PIN6 of P connection RS-485 chip U4 the transmitting terminal PIN1, main control MCU U3 of receiving end PIN4, main control MCU U3 distinguish Downlink connection RS-485 chip U4 enables control terminal PIN2, PIN3, and PIN3, PIN4 of main control MCU U3 is main control chip U3 program burning Mouth is recorded, the PIN4 of main control MCU U3 is also connected with MCU reset circuit, the PIN7 ground connection of main control MCU U3；The PIN8 of main control MCU U3 Connection+3.3V power supply；The PIN18 connection of main control MCU U3 controls LED circuit；The PIN19 connection of main control MCU U3 is digital red The PIN2 of outer probe PIR.

As a further solution of the present invention: the model FNB5616 of the Zigbee communication module U5, master control MCU U3 uses 8 single-chip microcontrollers, model STM8L101F, the RS-485 chip U4 model SP3481 of main control MCU U3.

As a further solution of the present invention: the reset circuit is by touch key S1, resistance R10, capacitor C8 group At.

As a further solution of the present invention: the LED indication status circuit is by lamp bead LED1, triode Q3, electricity Hinder R11, resistance R12 composition.

As a further solution of the present invention: it is described enter logout manual key circuit by touch key S2, resistance R13 Composition.

It is produced compared with prior art, the utility model has the beneficial effects that the utility model solves human body infrared inductor Product communication plan compatibility issue, is combined into one RS-485 wire communication and Zigbee wireless communication function, save exploitation at This, releases the activity of the more scene applications of product.In addition circuit design can accomplish high integration, while being used in circuit design Function modoularization processing, saves space needed for interior design, so that product design size can be controlled in ideal range.So that people Body infrared inductor apparent size and aesthetic appearance can also be taken into account, and the application range of product is greatly increased.

Detailed description of the invention

Fig. 1 is the circuit diagram of the human body infrared inductor of integrated communicaton.

Specific embodiment

The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work Every other embodiment obtained, fall within the protection scope of the utility model.

Embodiment one: referring to Fig. 1, a kind of human body infrared inductor of integrated communicaton, including Zigbee communication circuit and RS-485 communication and control circuit, Zigbee communication circuit include Zigbee communication module U5, LED indication status circuit, number Formula infrared probe PIR, enter logout manual key circuit ,+3.3V power supply, PIN1, PIN17 connection of Zigbee communication module U5+ 3.3V power input, the PIN2 of Zigbee communication module U5 connect the PIN2 of digital infrared probe PIR, digital infrared probe The digital signal input that the PIN2 of PIR is provided；PIN4, PIN13 of Zigbee communication module U5 is grounded；Zigbee communication module U5 PIN5 and enter logout manual key circuit connection, enter logout manual key circuit and be made of touch key S2, resistance R13, by Resistive pull-downs over the ground, when equipment need to network or when logout, press the button that be switched to high level effective；Zigbee communication module U5's PIN8 connection LED indication status circuit.

RS-485 communication and control circuit are by main control MCU U3, RS-485 chip U4, MCU reset circuit, LED indication state Circuit, digital infrared probe and peripheral circuit ,+3.3V power supply composition, the PIN1 connection RS-485 chip U4 of main control MCU U3 PIN5, PIN6 of P connection RS-485 chip U4 the transmitting terminal PIN1, main control MCU U3 of receiving end PIN4, main control MCU U3 distinguish Downlink connection RS-485 chip U4 enables control terminal PIN2, PIN3, and PIN3, PIN4 of main control MCU U3 is main control chip U3 program burning Mouth is recorded, the PIN4 of main control MCU U3 is also connected with MCU reset circuit, the PIN7 ground connection of main control MCU U3；The PIN8 of main control MCU U3 Connection+3.3V power input；The PIN18 connection of main control MCU U3 controls LED circuit, shares LED circuit with Zigbee；Master control The PIN19 of MCU U3 connects the PIN2 of digital infrared probe PIR, connects the number that the PIN2 of digital infrared probe PIR is provided The input of word signal.

Since two kinds of communication plans are to realize to be integrated on the same PCBA with a product, two kinds of communication patterns It is to connect three LED indication status circuit, digital infrared probe and peripheral circuit ,+3.3V power supply peripheral module circuits altogether, avoids The repeatability design of peripheral circuit.

Embodiment two: the model FNB5616 of Zigbee communication module U5 on the basis of example 1.

Main control MCU U3 uses 8 single-chip microcontrollers, the model STM8L101F of main control MCU U3.

The model SP3481 of RS-485 chip U4.

Reset circuit is made of touch key S1, resistance R10, capacitor C8.

RS-485 circuit is by RS-485 chip U4, triode Q1, triode Q2, terminals P1, resistance R3, resistance R4, electricity Hinder R5, resistance R6, resistance R7, resistance R8, resistance R9 composition.

LED indication status circuit is made of lamp bead LED1, triode Q3, resistance R11, resistance R12, is used to indicate into logout And infrared trigger signal state, high level are effective.

In conclusion the preferable case study on implementation of only the utility model, above makees the better embodiment of this patent It is described in detail, but this patent is not limited to the above embodiment, and the non-limiting protection scope of the utility model, in ability The those of ordinary skill in domain within the scope of knowledge, can also make various changes under the premise of not departing from this patent objective Change.It is intended that including all changes that fall within the meaning and scope of the equivalent elements of the claims in the utility model It is interior.Any reference signs in the claims should not be construed as limiting the involved claims.

In addition, it should be understood that although this specification is described in terms of embodiments, but not each embodiment is only wrapped Containing an independent technical solution, this description of the specification is merely for the sake of clarity, and those skilled in the art should It considers the specification as a whole, the technical solutions in the various embodiments may also be suitably combined, forms those skilled in the art The other embodiments being understood that.

Claims (5)

1. a kind of human body infrared inductor of integrated communicaton, including Zigbee communication circuit and RS-485 communication and control circuit, It is characterized in that, the Zigbee communication circuit include Zigbee communication module U5, it is LED indication status circuit, digital infrared Probe PIR, enter logout manual key circuit ,+3.3V power supply, PIN1, PIN17 connection+3.3V electricity of Zigbee communication module U5 Source, the PIN2 of Zigbee communication module U5 connect the PIN2 of digital infrared probe PIR, the PIN4 of Zigbee communication module U5, PIN13 ground connection；The PIN5 of Zigbee communication module U5 and enter logout manual key circuit connection, Zigbee communication module U5's PIN8 connection LED indication status circuit；RS-485 communication and control circuit are resetted by main control MCU U3, RS-485 chip U4, MCU Circuit, LED indication status circuit, digital infrared probe and peripheral circuit ,+3.3V power supply composition, the PIN1 of main control MCU U3 Connect RS-485 chip U4 receiving end PIN4, P connection RS-485 chip U4 the transmitting terminal PIN1, main control MCU U3 of main control MCU U3 PIN5, PIN6 difference downlink connection RS-485 chip U4 enable control terminal PIN2, PIN3, PIN3, PIN4 of main control MCU U3 be Main control chip U3 burning program mouth, the PIN4 of main control MCU U3 are also connected with MCU reset circuit, the PIN7 ground connection of main control MCU U3； PIN8 connection+3.3V the power supply of main control MCU U3；The PIN18 connection of main control MCU U3 controls LED circuit；Main control MCU U3's PIN19 connects the PIN2 of digital infrared probe PIR.

2. the human body infrared inductor of integrated communicaton according to claim 1, which is characterized in that the Zigbee communication mould The model FNB5616 of block U5, main control MCU U3 use 8 single-chip microcontrollers, the model STM8L101F, RS- of main control MCU U3 The model SP3481 of 485 chip U4.

3. the human body infrared inductor of integrated communicaton according to claim 2, which is characterized in that the reset circuit is by light Touch of key-press S1, resistance R10, capacitor C8 composition.

4. the human body infrared inductor of integrated communicaton according to claim 3, which is characterized in that the LED indication state Circuit is made of lamp bead LED1, triode Q3, resistance R11, resistance R12.

5. the human body infrared inductor of integrated communicaton according to claim 1 to 4, which is characterized in that it is described enter logout Manual key circuit is made of touch key S2, resistance R13.