CN208271380U

CN208271380U - A kind of fire-fighting detection device

Info

Publication number: CN208271380U
Application number: CN201820797502.5U
Authority: CN
Inventors: 王永刚
Original assignee: Zhongshan City Fire Protection Equipment Technology Co Ltd
Current assignee: Zhongshan City Fire Protection Equipment Technology Co Ltd
Priority date: 2018-05-25
Filing date: 2018-05-25
Publication date: 2018-12-21
Anticipated expiration: 2028-05-25

Abstract

The utility model discloses a kind of fire-fighting detection devices, PB331 chip communication transceiver module is parallel between its two output end of rectifier bridge module, be conducive to N79E8132 chip main control module and pass through host communication on PB331 chip communication transceiver module and POWERBUS bus, to realize telecommunication and detection control, and it powers and communicates shared two wires, line cost when wiring can be reduced and reduce difficulty of construction and duration, the practicality are good；In addition, being also electrically connected infrared smoke sensor module, temperature sensor module and state instruction lamp module on the N79E8132 chip main control module, it is convenient for Smoke Detection, temperature detection and condition prompting.

Description

A kind of fire-fighting detection device

Technical field

The utility model relates to a kind of fire-fighting detection devices.

Background technique

Currently, the power supply interface and communication interface of conventional fire fighting detector be it is separated, power supply can use parallel connection side Formula, but the setting of communication line trouble, each fire fighting detector will also be separately connected independent communication line to host, when disappearing Protection detector farther out from host when, the cost of communication line is just very high.

Therefore, how to overcome above-mentioned defect, it has also become those skilled in the art's important topic urgently to be resolved.

Utility model content

The utility model overcomes the deficiency of above-mentioned technology, provides a kind of fire-fighting detection device.

To achieve the above object, the utility model uses following technical proposal:

A kind of fire-fighting detection device includes the direct current input interface for being connected in parallel in fire-fighting equipment POWERBUS bus 1, the direct current input interface 1 has been sequentially connected with rectifier bridge module 2, diode one-way isolation module 3, DC/DC voltage modulus of conversion Block 4 and N79E8132 chip main control module 5 are parallel with PB331 chip communication between 2 liang of output ends of the rectifier bridge module Transceiver module 6, the PB331 chip communication transceiver module 6 is electrically connected with the N79E8132 chip main control module 5, described Also be electrically connected on N79E8132 chip main control module 5 infrared smoke sensor module 7, temperature sensor module 8 and State instruction lamp module 9.

A kind of fire-fighting detection device as described above, the diode one-way isolation module 3 includes diode D7, described The cathode output end of rectifier bridge module 2 is electrically connected with the diode D7 anode, diode D7 cathode and the DC/DC voltage 4 electrode input end of conversion module is electrically connected, the cathode output end of the rectifier bridge module 2 and the DC/DC voltage modulus of conversion 4 negative input of block is electrically connected.

A kind of fire-fighting detection device as described above, the PB331 chip communication transceiver module 6 includes PB331 core Piece, resistance R29, resistance R30, resistance R31, resistance R34 and NPN triode Q6, the one end the resistance R30 and the NPN The collector of triode Q6, the cathode output end of rectifier bridge module 2 are electrically connected, the resistance R30 other end and the resistance The one end R31, PB331 chip PI pin be electrically connected, emitter and the one end the resistance R29 phase of the NPN triode Q6 Electrical connection, the base stage of NPN triode Q6 are electrically connected with described resistance R34 one end, the resistance R31 other end and the electricity Hinder the R29 other end, the cathode output end of rectifier bridge module 2 is electrically connected, the resistance R34 other end and the PB331 chip PO pin be electrically connected.

Compared with prior art, the utility model has the beneficial effects that

It is parallel with PB331 chip communication transceiver module between two output end of rectifier bridge module of this case fire-fighting detection device, Be conducive to N79E8132 chip main control module and pass through host communication in PB331 chip communication transceiver module and POWERBUS bus, To realize telecommunication and detection control, and power and communicate shared two wires, line cost when can reduce wiring with subtract Few difficulty of construction and duration, the practicality are good；In addition, being also electrically connected infrared cigarette on the N79E8132 chip main control module Mist sensor module, temperature sensor module and state instruction lamp module are convenient for Smoke Detection, temperature detection and state Prompt.

Detailed description of the invention

Fig. 1 is one of circuit diagram of this case.

Fig. 2 is the two of the circuit diagram of this case.

Specific embodiment

The utility model feature and other correlated characteristics are described in further detail by the following examples, in order to same The understanding of industry technology personnel:

As shown in Figure 1 to Figure 2, a kind of fire-fighting detection device includes for being connected in parallel on fire-fighting equipment POWERBUS bus On direct current input interface 1, the direct current input interface 1 be sequentially connected with rectifier bridge module 2, diode one-way isolation module 3, DC/DC voltage transformation module 4 and N79E8132 chip main control module 5, it is in parallel between 2 liang of output ends of the rectifier bridge module There are PB331 chip communication transceiver module 6, the PB331 chip communication transceiver module 6 and the N79E8132 chip main control module 5 are electrically connected, and infrared smoke sensor module 7 have also been electrically connected on the N79E8132 chip main control module 5, temperature passes Sensor module 8 and state instruction lamp module 9.

As described above, being parallel with PB331 chip communication between 2 liang of output ends of the rectifier bridge module of this case fire-fighting detection device It is total with POWERBUS by PB331 chip communication transceiver module 6 to be conducive to N79E8132 chip main control module 5 for transceiver module 6 Host communication on line to realize telecommunication and detection control, and powers and communicates shared two wires, when can reduce wiring Line cost and reduction difficulty of construction and duration, the practicality are good；In addition, also distinguishing on the N79E8132 chip main control module 5 Be electrically connected with infrared smoke sensor module 7, temperature sensor module 8 and state instruction lamp module 9, convenient for Smoke Detection, Temperature detection and condition prompting.

As described above, the infrared smoke sensor module 7, temperature sensor module 8 and state instruction lamp module 9 Particular circuit configurations be not this case key protection point, therefore without specific verbal description.

As described above, when it is implemented, the diode one-way isolation module 3 includes diode D7, the rectifier bridge The cathode output end of module 2 is electrically connected with the diode D7 anode, diode D7 cathode and the DC/DC voltage modulus of conversion 4 electrode input end of block is electrically connected, the cathode output end of the rectifier bridge module 2 and 4 cathode of DC/DC voltage transformation module Input terminal is electrically connected.

As described above, when it is implemented, the PB331 chip communication transceiver module 6 includes PB331 chip, resistance R29, resistance R30, resistance R31, resistance R34 and NPN triode Q6, the one end the resistance R30 and the NPN triode Q6 Collector, rectifier bridge module 2 cathode output end be electrically connected, the resistance R30 other end and the one end the resistance R31, The PI pin of PB331 chip is electrically connected, and emitter and one end the resistance R29 of the NPN triode Q6 is electrically connected, The base stage of NPN triode Q6 is electrically connected with described resistance R34 one end, and the resistance R31 other end and the resistance R29 are another One end, rectifier bridge module 2 cathode output end be electrically connected, the PO pin of the resistance R34 other end and the PB331 chip It is electrically connected.

As described above, this case protection is a kind of fire-fighting detection device, all technologies same or similar with this case structure Scheme should all be shown as falling into the protection scope of this case.

Claims

1. a kind of fire-fighting detection device, it is characterised in that include the direct current for being connected in parallel in fire-fighting equipment POWERBUS bus Input interface (1), the direct current input interface (1) be sequentially connected with rectifier bridge module (2), diode one-way isolation module (3), DC/DC voltage transformation module (4) and N79E8132 chip main control module (5), (2) two output end of rectifier bridge module it Between be parallel with PB331 chip communication transceiver module (6), the PB331 chip communication transceiver module (6) and the N79E8132 core Piece main control module (5) is electrically connected, and has also been electrically connected infrared smoke sensor on the N79E8132 chip main control module (5) Module (7), temperature sensor module (8) and state instruction lamp module (9).

2. a kind of fire-fighting detection device according to claim 1, it is characterised in that the diode one-way isolation module (3) It include diode D7, cathode output end and the diode D7 anode of the rectifier bridge module (2) are electrically connected, diode D7 cathode is electrically connected with DC/DC voltage transformation module (4) electrode input end, and the cathode of the rectifier bridge module (2) is defeated Outlet is electrically connected with DC/DC voltage transformation module (4) negative input.

3. a kind of fire-fighting detection device according to claim 1, it is characterised in that the PB331 chip communication transceiver module It (6) include PB331 chip, resistance R29, resistance R30, resistance R31, resistance R34 and NPN triode Q6, the resistance The one end R30 is electrically connected with the collector of the NPN triode Q6, the cathode output end of rectifier bridge module (2), the resistance The R30 other end and the PI pin of the one end the resistance R31, PB331 chip are electrically connected, the emitter of the NPN triode Q6 It is electrically connected with the one end the resistance R29, the base stage of NPN triode Q6 is electrically connected with described resistance R34 one end, the resistance The R31 other end and the cathode output end of the resistance R29 other end, rectifier bridge module (2) are electrically connected, and the resistance R34 is another One end and the PO pin of the PB331 chip are electrically connected.