CN208285233U - A kind of alarm bell power supply unit with status detection function - Google Patents

Abstract

The alarm bell power supply unit with status detection function that the utility model discloses a kind of, PB331 chip communication transceiver module is parallel between its two output end of rectifier bridge module, be conducive to N76E003 chip main control module and pass through host communication on PB331 chip communication transceiver module and POWERBUS bus, to realize long-range 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；Separately, first voltage detection module, second voltage detection module and state instruction lamp module are connected separately on the N76E003 chip main control module, convenient for preferably detecting the DC/DC voltage transformation module, dpdt relay switch module, DC output interface, connection situation between alarm bell, the practicality is good.

Description

A kind of alarm bell power supply unit with status detection function

Technical field

The alarm bell power supply unit with status detection function that the utility model relates to a kind of.

Background technique

Currently, in conventional type fire alarm system, when some subregion is reported a fire, if specific location can not be accurately controlled Alarm sound an alarm, the crowd being difficult around informing evacuates in time, in the case of fire, if around can not accurately notifying Crowd evacuation just can not preferably save the loss of fire and ensure the life security of crowd.

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 alarm bell with status detection function for Denso It sets.

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

A kind of alarm bell power supply unit with status detection function includes total for being connected in parallel on fire-fighting equipment POWERBUS Direct current input interface 1 on line, the direct current input interface 1 have been sequentially connected with rectifier bridge module 2, diode one-way isolation module 3, DC/DC voltage transformation module 4, dpdt relay switch module 5 and for 100 DC input of alarm bell simultaneously The DC output interface 6 of connection is parallel with PB331 chip communication transceiver module 7, institute between 2 liang of output ends of the rectifier bridge module It states PB331 chip communication transceiver module 7 and is connected with N76E003 chip main control module 8, the N76E003 chip main control module 8 The controlled relay powered by the DC/DC voltage transformation module 4 is connected between the dpdt relay switch module 5 Device coil power supply switch module 9 is connected separately with for detecting the double-pole double throw on the N76E003 chip main control module 8 Normally closed movable contact in relay switch module 5 and the first voltage detection module 10 of ON/OFF state, use between stationary contact Second electricity of ON/OFF state between the normally opened movable contact and stationary contact on detection dpdt relay switch module 5 Press detection module 11 and the state instruction lamp module 12 for state instruction.

A kind of alarm bell power supply unit with status detection function as described above, the dpdt relay switching molding Block 5 includes dpdt relay K1, and the relay coil of the dpdt relay K1 is supplied by controlled relay coil Electric switch module 9 and the DC/DC voltage transformation module 4 are formed into a loop, and the double-pole double throw of the dpdt relay K1 is opened Pass is set there are two stationary contact, two normally closed movable contacts and two normally opened movable contacts, one of them normally closed movable contact is normal with one It starts and is electrically connected after contact is electrically connected with the 4 one positive voltage connecting pin of DC/DC voltage transformation module, and another is normally closed Movable contact is electrically connected by several resistance and 4 ground terminal of DC/DC voltage transformation module and detects mould with the first voltage Resistive voltage is in order to detect ON/OFF state between normally closed movable contact and stationary contact for detecting on the route for block 10, separately One normally opened movable contact is electrically connected and second electricity by several resistance and 4 ground terminal of DC/DC voltage transformation module Pressure detection module 11 turns on/off between normally opened movable contact and stationary contact for detecting resistive voltage on the route in order to detect State, two stationary contacts are in parallel with the DC output interface 6.

A kind of alarm bell power supply unit with status detection function as described above, the diode one-way isolation module 3 It include diode D1, the cathode output end of the rectifier bridge module 2 is electrically connected with the diode D1 anode, diode D1 Cathode is electrically connected with 4 electrode input end of DC/DC voltage transformation module, the cathode output end of the rectifier bridge module 2 with 4 negative input of DC/DC voltage transformation module is electrically connected.

A kind of alarm bell power supply unit with status detection function as described above, the PB331 chip communication receive and dispatch mould Block 7 includes PB331 chip, resistance R9, resistance R10, resistance R13, resistance R14 and NPN triode Q6, the resistance R9 One end is electrically connected with the collector of the NPN triode Q6, the cathode output end of rectifier bridge module 2, and the resistance R9 is another End and the PI pin of the one end the resistance R13, PB331 chip are electrically connected, the emitter of the NPN triode Q6 with it is described The one end resistance R14 is electrically connected, and the base stage of NPN triode Q6 is electrically connected with the one end the resistance R10, and the resistance R13 is another One end and the cathode output end of the resistance R14 other end, rectifier bridge module 2 are electrically connected, the resistance R10 other end with The PO pin of the PB331 chip is 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 alarm bell power supply unit, Be conducive to N76E003 chip main control module and pass through host communication in PB331 chip communication transceiver module and POWERBUS bus, with Realize long-range control, and power and share two wires with communicate, can reduce line cost when wiring and reduction difficulty of construction with Duration, the practicality are good；In addition, be connected separately on the N76E003 chip main control module for detect the double-pole double throw after Normally closed movable contact in electric switch module and the first voltage detection module of ON/OFF state between stationary contact, for examining Survey the second voltage detection of ON/OFF state between normally opened movable contact and stationary contact on dpdt relay switch module Module and state instruction lamp module for state instruction, convenient for preferably detecting the DC/DC voltage transformation module, double Dpdt double-pole double-throw (DPDT) relay switch module, DC output interface, connection situation between alarm bell, the practicality are good.

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.

Fig. 3 is the three 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 3, a kind of alarm bell power supply unit with status detection function, includes to disappear for being connected in parallel on Direct current input interface 1 in anti-equipment POWERBUS bus, the direct current input interface 1 have been sequentially connected with rectifier bridge module 2, two It pole pipe one-way isolation module 3, DC/DC voltage transformation module 4, dpdt relay switch module 5 and is used for and alarm bell The DC output interface 6 of 100 DC inputs parallel connection is parallel with PB331 chip between 2 liang of output ends of the rectifier bridge module Communication receiving/transmission module 7, the PB331 chip communication transceiver module 7 is connected with N76E003 chip main control module 8, described Controlled relay coil power supply is connected between N76E003 chip main control module 8 and the dpdt relay switch module 5 Switch module 9 is connected separately on the N76E003 chip main control module 8 for detecting the dpdt relay switch Normally closed movable contact in module 5 and the first voltage detection module 10 of ON/OFF state between stationary contact, for detecting double-pole Normally opened movable contact in double-throw relay switch module 5 and between stationary contact ON/OFF state second voltage detection module 11 and for state instruction state instruction lamp module 12.

As described above, being parallel with PB331 chip communication between 2 liang of output ends of the rectifier bridge module of this case alarm bell power supply unit Transceiver module 7 is conducive to N76E003 chip main control module 8 and passes through PB331 chip communication transceiver module 7 and POWERBUS bus Upper host communication to realize long-range control, and powers 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 connected separately on the N76E003 chip main control module 8 for detecting It states the normally closed movable contact on dpdt relay switch module 5 and the first voltage of ON/OFF state is examined between stationary contact Survey module 10, for detecting the normally opened movable contact on dpdt relay switch module 5 and turning on/off shape between stationary contact The second voltage detection module 11 of state and state instruction lamp module 12 for state instruction, convenient for described in preferably detection DC/DC voltage transformation module 4, dpdt relay switch module 5, DC output interface 6, connection between alarm bell 100 Situation, the practicality are good.

As described above, when it is implemented, 100 DC input of alarm bell may go out between the DC output interface 6 The case where being now reversely connected or alarm bell 100 occur the situation of short circuit because of damage, and this case N76E003 chip main control module 8 being capable of basis The voltage detecting size of two voltage detection modules and preferably judge connection situation, to be better controlled.

As described above, when it is implemented, the dpdt relay switch module 5 include dpdt relay K1, The relay coil of the dpdt relay K1 passes through controlled relay coil power switch module 9 and the DC/DC electricity Press conversion module 4 be formed into a loop, the double-point double-throw switch of the dpdt relay K1 set there are two stationary contact, two it is normally closed Movable contact and two normally opened movable contacts, one of them normally closed movable contact be electrically connected with a normally opened movable contact after with it is described 4 one positive voltage connecting pin of DC/DC voltage transformation module is electrically connected, and another normally closed movable contact by several resistance with it is described 4 ground terminal of DC/DC voltage transformation module is electrically connected with the first voltage detection module 10 for detecting resistance on the route For voltage in order to detect ON/OFF state between normally closed movable contact and stationary contact, another normally opened movable contact passes through several electricity Resistance is electrically connected with the second voltage detection module 11 with 4 ground terminal of DC/DC voltage transformation module for detecting the line Road resistive voltage is in order to detect ON/OFF state between normally opened movable contact and stationary contact, two stationary contacts and described straight It is in parallel to flow output interface 6.

As described above, the particular circuit configurations of the first voltage detection module 10, second voltage detection module 11 are not The key protection point of this case, therefore without specific verbal description.

As described above, when it is implemented, the diode one-way isolation module 3 includes diode D1, the rectifier bridge The cathode output end of module 2 is electrically connected with the diode D1 anode, diode D1 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 7 includes PB331 chip, resistance R9, resistance R10, resistance R13, resistance R14 and NPN triode Q6, the one end the resistance R9 and the NPN triode Q6's Collector, rectifier bridge module 2 cathode output end be electrically connected, the resistance R9 other end and the one end the resistance R13, The PI pin of PB331 chip is electrically connected, and emitter and one end the resistance R14 of the NPN triode Q6 is electrically connected, The base stage of NPN triode Q6 is electrically connected with the one end the resistance R10, and the resistance R13 other end and the resistance R14 are another It holds, the cathode output end of rectifier bridge module 2 is electrically connected, the PO pin of the resistance R10 other end and the PB331 chip It is electrically connected.

As described above, this case protection is a kind of alarm bell power supply unit with status detection function, all and this case knot The same or similar technical solution of structure should all be shown as falling into the protection scope of this case.

Claims (4)

1. a kind of alarm bell power supply unit with status detection function, it is characterised in that include for being connected in parallel on fire-fighting equipment Direct current input interface (1) in POWERBUS bus, the direct current input interface (1) have been sequentially connected with rectifier bridge module (2), two Pole pipe one-way isolation module (3), DC/DC voltage transformation module (4), dpdt relay switch module (5) and for The DC output interface (6) of alarm bell (100) DC input parallel connection, it is in parallel between (2) two output end of rectifier bridge module There is PB331 chip communication transceiver module (7), the PB331 chip communication transceiver module (7) is connected with N76E003 chip master control Module (8), be connected between the N76E003 chip main control module (8) and the dpdt relay switch module (5) by The controlled relay coil power switch module (9) of DC/DC voltage transformation module (4) power supply, the N76E003 chip master Control module (8) on be connected separately with for detect the normally closed movable contact on the dpdt relay switch module (5) with it is quiet The first voltage detection module (10) of ON/OFF state between contact, for detecting dpdt relay switch module (5) On normally opened movable contact and stationary contact between ON/OFF state second voltage detection module (11) and refer to for state The state instruction lamp module (12) shown.

2. a kind of alarm bell power supply unit with status detection function according to claim 1, it is characterised in that described double Dpdt double-pole double-throw (DPDT) relay switch module (5) includes dpdt relay K1, the relay coil of the dpdt relay K1 It is formed into a loop by controlled relay coil power switch module (9) and the DC/DC voltage transformation module (4), the double-pole The double-point double-throw switch of double-throw relay K1 is set there are two stationary contact, two normally closed movable contacts and two normally opened movable contacts, In a normally closed movable contact and a normally opened movable contact be electrically connected after with (4) one positive voltage of DC/DC voltage transformation module Connecting pin is electrically connected, and another normally closed movable contact passes through several resistance and DC/DC voltage transformation module (4) ground terminal It is electrically connected with the first voltage detection module (10) for detecting on the route resistive voltage in order to detecting normally closed dynamic touching ON/OFF state between point and stationary contact, another normally opened movable contact pass through several resistance and the DC/DC voltage modulus of conversion Block (4) ground terminal is electrically connected with the second voltage detection module (11) for detecting on the route resistive voltage in order to examining ON/OFF state between normally opened movable contact and stationary contact is surveyed, two stationary contacts are in parallel with the DC output interface (6).

3. a kind of alarm bell power supply unit with status detection function according to claim 1, it is characterised in that described two Pole pipe one-way isolation module (3) includes diode D1, the cathode output end and the diode D1 of the rectifier bridge module (2) Anode is electrically connected, and diode D1 cathode is electrically connected with DC/DC voltage transformation module (4) electrode input end, described whole The cathode output end of stream bridge module (2) is electrically connected with DC/DC voltage transformation module (4) negative input.

4. a kind of alarm bell power supply unit with status detection function according to claim 1, it is characterised in that described PB331 chip communication transceiver module (7) include PB331 chip, resistance R9, resistance R10, resistance R13, resistance R14 and NPN triode Q6, the one end the resistance R9 and the collector of the NPN triode Q6, the cathode output end of rectifier bridge module (2) It is electrically connected, the PI pin of the resistance R9 other end and the one end the resistance R13, PB331 chip is electrically connected, the NPN The emitter of triode Q6 is electrically connected with the one end the resistance R14, the base stage of NPN triode Q6 and the one end the resistance R10 It is electrically connected, the cathode output end of the resistance R13 other end and the resistance R14 other end, rectifier bridge module (2) is mutually electrically connected It connects, the PO pin of the resistance R10 other end and the PB331 chip is electrically connected.