CN217693783U

CN217693783U - A centralized power supply circuit board for emergency light

Info

Publication number: CN217693783U
Application number: CN202121301563.6U
Authority: CN
Inventors: 江成; 刘彦伟; 章传恩
Original assignee: Guangdong Zuo Xiang Lighting Co ltd
Current assignee: Guangdong Zuoxiang Technology Co ltd
Priority date: 2021-06-10
Filing date: 2021-06-10
Publication date: 2022-10-28
Anticipated expiration: 2031-06-10

Abstract

The utility model discloses a centralized power supply circuit board for emergency lamps, which has simple structure and easy realization, and is convenient for AC/DC conversion due to the arrangement of an AC/DC module and a DC/DC multistage voltage reduction module; the direct current carrier communication module is convenient for controlling whether the output end of the direct current output interface is electrified or not and is convenient for the direct current carrier communication between the controller module and the emergency lamp, the trouble of additionally arranging a communication circuit is favorably reduced, the controller module can send a work or stop work instruction to some emergency lamps through communication, the power-saving control is favorably realized, the power-saving emergency lamp is suitable for market needs, and the practicability is good.

Description

A centralized power supply circuit board for emergency light

Technical Field

The utility model relates to a centralized power supply circuit board for emergency lamp.

Background

At present, a centralized device for performing centralized power supply and control on a plurality of emergency lamps is not available in the market, energy-saving control is not convenient to perform, and if certain emergency lamps are controlled to work and other emergency lamps are controlled to stop working on the same power supply line, market competitiveness is not convenient to improve.

Therefore, how to overcome the above-mentioned drawbacks has become an important issue to be solved by those skilled in the art.

SUMMERY OF THE UTILITY MODEL

The utility model overcomes above-mentioned technique is not enough, provides a centralized power supply circuit board for emergency lighting.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the utility model provides a centralized power supply circuit board for emergency lighting, including circuit board body 100, be equipped with controller module 1 on the circuit board body 100, be used for external alternating current AC/DC module 2, be used for carrying out the multistage step-down module 3 of DC/DC to AC/DC module 2, the multistage step-down module 3 of DC/DC is connected with the direct current output interface 5 that is used for concentrating the power supply to emergency lighting through controlled electronic switch module 4, still be connected with RS232 communication module 6 on the controller module 1, be used for with CAN communication module 7 of host computer communication, be used for through control the direct current carrier communication module 8 that power control and direct current power carrier communication were realized to the break-make of controlled electronic switch module 4 and be used for operating condition instruction's pilot lamp module 9.

Preferably, the indicator light module 9 at least includes a dc carrier communication status indicating circuit 91 for indicating the operating status of the dc carrier communication module 8, and a CAN communication status indicating circuit 92 for indicating the operating status of the CAN communication module 7.

Preferably, the DC/DC multi-step voltage reduction module 3 is connected with a DC/DC status indication circuit 93 for indicating the working status of the DC/DC multi-step voltage reduction module 3, and the DC output interface 5 is connected with a DC output status indication circuit 94 for indicating whether the DC output interface is powered or not.

Preferably, the controller module 1 is further connected with a key module 10 for inputting a working instruction of the emergency light fixture.

Preferably, the DC carrier communication module 8 includes a DC carrier signal transmitting module 81 and a DC carrier signal receiving module 82 respectively connected to the controller module 1, the controlled electronic switch module 4 includes a voltage regulator diode D6, a resistor R5, a resistor R7, a resistor R8, a resistor R9, a PNP transistor Q3, a PNP transistor Q4, a P-MOS transistor M1, and a P-MOS transistor M2, a D-pole of the P-MOS transistor M2 is connected to a D-pole of the P-MOS transistor M1 to serve as a switch input terminal of the controlled electronic switch module 4 to be connected to a positive voltage of the DC/DC multi-stage buck module 3, an S-pole of the P-MOS transistor M2 is connected to an S-pole of the P-MOS transistor M1, an emitter of the PNP transistor Q3, one end of the resistor R5, and a negative pole of the voltage regulator diode D6 to serve as a switch output terminal of the controlled electronic switch module 4 to be connected to a positive connection terminal of the DC output interface 5, the G pole of the P-MOS tube M2 is connected with one end of the resistor R9, the G pole of the P-MOS tube M1 is connected with one end of the resistor R8, the other end of the resistor R9 is connected with the other end of the resistor R8 and then is connected with the positive pole of the sending signal output end of the direct current carrier signal sending module 81, the other end of the resistor R5 is connected with one end of the resistor R7 and the emitting pole of the PNP triode Q4, the other end of the resistor R7 is connected with the base of the PNP triode Q3, the collecting electrode of the PNP triode Q3 and the base of the PNP triode Q4 are connected and then are connected with the positive pole of the receiving signal input end of the direct current carrier signal receiving module 82, and the collecting electrode of the PNP triode Q4 is grounded with the positive pole end of the voltage stabilizing diode D6.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the AC/DC module and the DC/DC multi-stage voltage reduction module are arranged, so that AC/DC conversion is facilitated; the direct current carrier communication module is convenient for controlling whether the output end of the direct current output interface has electricity or not and is convenient for the direct current carrier communication between the controller module and the emergency lamps, the trouble of additionally arranging communication circuits is favorably reduced, the controller module can send a work or stop work instruction to some emergency lamps through communication, the power-saving control is favorably realized, the market requirement is met, and the practicability is good.

2. The direct current carrier signal sending module sends information by controlling the on-off of the P-MOS tube M1 and the P-MOS tube M2 and carries out direct current carrier on the direct current output interface, and the direct current carrier signal receiving module receives direct current carrier information on the direct current output interface by detecting the level of the joint of the collector of the PNP triode Q3 and the base of the PNP triode Q4, so that the carrier communication and the on-off control of direct current output are facilitated, and the practicability is good.

Drawings

Fig. 1 is a circuit block diagram of the present case.

Fig. 2 is one of the circuit diagrams of the present case.

Fig. 3 is a second circuit diagram of the present invention.

Fig. 4 is a third circuit diagram of the present invention.

FIG. 5 is a fourth circuit diagram of the present case.

Fig. 6 is a fifth circuit diagram of the present case.

Fig. 7 is a seventh circuit diagram of the present case.

Detailed Description

The features of the present invention and other related features are described in further detail below by way of examples to facilitate understanding by those skilled in the art:

as shown in fig. 1 to 7, a centralized power supply circuit board for emergency lamps comprises a circuit board body 100, wherein the circuit board body 100 is provided with a controller module 1, an AC/DC module 2 for externally connecting with an alternating current, and a DC/DC multi-step voltage reduction module 3 for performing DC multi-step voltage reduction on the AC/DC module 2, the DC/DC multi-step voltage reduction module 3 is connected with a DC output interface 5 for intensively supplying power to the emergency lamps through a controlled electronic switch module 4, the controller module 1 is further connected with an RS232 communication module 6, a CAN communication module 7 for communicating with an upper computer, a DC carrier communication module 8 for realizing power supply control and DC power carrier communication by controlling on/off of the controlled electronic switch module 4, and an indicator lamp module 9 for indicating a working state.

As described above, the working principle of the emergency lamp is that alternating current sequentially passes through the alternating current, the alternating current is supplied to the emergency lamp through the AC/DC module 2, the DC/DC multistage voltage reduction module 3, the controlled electronic switch module 4 and the direct current output interface 5; the controller module 1 is communicated with an upper computer through a CAN communication module 7 and is communicated with other connected equipment through an RS232 communication module 6; the controller module 1 controls the on-off of the controlled electronic switch module 4 through the direct current carrier communication module 8 so as to control whether the direct current output interface 5 is electrified or not and facilitate the direct current carrier communication between the controller module 1 and an emergency lamp, and the trouble of additionally arranging a communication circuit is reduced; in addition, when the emergency lamp is implemented, the direct current output interface 5 can be connected with multiple paths of emergency lamps in parallel.

As mentioned above, the structure of the scheme is simple and easy to realize, and the AC/DC module 2 and the DC/DC multi-stage voltage reduction module 3 are arranged to facilitate AC/DC conversion; the arrangement of the direct current carrier communication module 8 is convenient for controlling whether the output end of the direct current output interface 5 is electrified or not and is convenient for the direct current carrier communication between the controller module 1 and the emergency lamp, so that the trouble of additionally arranging a communication circuit is reduced, the controller module 1 can send a work or stop work instruction to some emergency lamps through communication, the power-saving control is facilitated, the direct current carrier communication module is suitable for market requirements, and the practicability is good.

As described above, in specific implementation, the indicator light module 9 at least includes the dc carrier communication state indicating circuit 91 for indicating the operating state of the dc carrier communication module 8 and the CAN communication state indicating circuit 92 for indicating the operating state of the CAN communication module 7, so as to facilitate the operating state indication during actual use.

As described above, in specific implementation, the DC/DC multi-stage voltage-reducing module 3 is connected with the DC/DC state indicating circuit 93 for indicating the operating state of the DC/DC multi-stage voltage-reducing module 3, and the DC output interface 5 is connected with the DC output state indicating circuit 94 for indicating whether there is power, so as to facilitate the operating state indication during actual use.

As described above, in specific implementation, the controller module 1 is further connected with a key module 10 for inputting a working instruction of the emergency lamp, so that a user can input the working instruction of the lamp by himself when necessary.

As described above, in practical implementation, the dc carrier communication module 8 includes a dc carrier signal sending module 81 and a dc carrier signal receiving module 82 respectively connected to the controller module 1, the controlled electronic switch module 4 comprises a voltage-stabilizing diode D6, a resistor R5, a resistor R7, a resistor R8, a resistor R9, a PNP triode Q3, a PNP triode Q4, a P-MOS tube M1 and a P-MOS tube M2, the D pole of the P-MOS tube M2 is connected with the D pole of the P-MOS tube M1 and then is used as the switch input end of the controlled electronic switch module 4 to be connected with the voltage of one positive pole of the DC/DC multi-stage voltage reduction module 3, the S pole of the P-MOS tube M2 is connected with the S pole of the P-MOS tube M1, the emitting pole of the PNP triode Q3, one end of the resistor R5 and the negative pole of the voltage stabilizing diode D6 and then is used as the switch output end of the controlled electronic switch module 4 to be connected with the positive connecting end of the direct current output interface 5, the G pole of the P-MOS tube M2 is connected with one end of the resistor R9, the G pole of the P-MOS tube M1 is connected with one end of the resistor R8, the other end of the resistor R9 is connected with the other end of the resistor R8 and then is connected with the positive electrode of the sending signal output end of the direct current carrier signal sending module 81, the other end of the resistor R5 is connected with one end of the resistor R7 and an emitting electrode of a PNP triode Q4, the other end of the resistor R7 is connected with the base of the PNP triode Q3, the collector of the PNP triode Q3 and the base of the PNP triode Q4 are connected and then connected with the positive electrode of the receiving signal input end of the direct current carrier signal receiving module 82, and the collector of the PNP triode Q4 is grounded with the positive electrode of the voltage stabilizing diode D6.

As described above, in the present invention, the dc carrier signal sending module 81 sends information by controlling the on/off of the P-MOS transistor M1 and the P-MOS transistor M2 to send information to the dc output interface 5, and the dc carrier signal receiving module 82 receives the dc carrier information on the dc output interface 5 by detecting the level of the junction between the collector of the PNP triode Q3 and the base of the PNP triode Q4, so as to facilitate the carrier communication and the on/off control of the dc output, and the practicability is good.

As described above, the present disclosure is directed to a centralized power circuit board for an emergency lamp, and all technical solutions identical or similar to the present disclosure should be considered as falling within the scope of the present disclosure.

Claims

1. The utility model provides a centralized power supply circuit board for emergency light, its characterized in that is including circuit board body (100), be equipped with controller module (1) on circuit board body (100), be used for external alternating current AC/DC module (2), be used for carrying out DC multistage step-down module (3) of DC multistage step-down to AC/DC module (2), DC/DC multistage step-down module (3) are connected with through controlled electronic switch module (4) and are used for concentrating direct current output interface (5) of power supply to emergency light, still be connected with RS232 communication module (6) on controller module (1), be used for with CAN communication module (7) of host computer, be used for through control the break-make of controlled electronic switch module (4) realizes power supply control and direct current power carrier communication's direct current carrier communication module (8) and be used for operating condition instruction pilot lamp module (9).

2. The circuit board of claim 1, wherein the indicator light module (9) at least comprises a direct current carrier communication status indicator circuit (91) for indicating the operating status of the direct current carrier communication module (8) and a CAN communication status indicator circuit (92) for indicating the operating status of the CAN communication module (7).

3. The circuit board of claim 1, wherein the DC/DC multi-step voltage reduction module (3) is connected with a DC/DC status indication circuit (93) for indicating the operating status of the DC/DC multi-step voltage reduction module (3), and the DC output interface (5) is connected with a DC output status indication circuit (94) for indicating whether the DC output interface has power.

4. The circuit board of claim 1, wherein the controller module (1) is further connected with a key module (10) for inputting the working instructions of the emergency light.

5. The concentrated power circuit board for emergency lighting according to any one of claims 1-4, wherein said DC carrier communication module (8) comprises a DC carrier signal transmitting module (81) and a DC carrier signal receiving module (82) respectively connected to said controller module (1), said controlled electronic switch module (4) comprises a zener diode D6, a resistor R5, a resistor R7, a resistor R8, a resistor R9, a PNP transistor Q3, a PNP transistor Q4, a P-MOS transistor M1, and a P-MOS transistor M2, wherein a D-electrode of said P-MOS transistor M2 is connected to a D-electrode of said P-MOS transistor M1 to serve as a switching input terminal of said controlled electronic switch module (4) to be connected to a positive electrode of said DC/DC multistage buck module (3) after being connected to a D-electrode of said controlled electronic switch module (4), an S-electrode of said P-MOS transistor M2 is connected to an S-electrode of said P-MOS transistor M1, an emitter of said PNP transistor Q3, one end of said resistor R5, a negative electrode of said zener diode D6 to serve as a controlled electronic switch (4) to be connected to an output terminal of said PNP transistor Q3, an output terminal of said PNP transistor G-MOS transistor M2 to be connected to an output terminal of said PNP transistor M1, and an output terminal of said DC carrier signal transmitting module (R7) to be connected to an output terminal of said PNP transistor Q5, and an output terminal of said PNP transistor R8, and an output terminal of said PNP transistor M2, and an output terminal of said resistor R7 of said resistor R8, the PNP triode Q3 is connected with the positive electrode of the receiving signal input end of the direct current carrier signal receiving module (82) after the collector electrode of the PNP triode Q3 and the base electrode of the PNP triode Q4 are connected, and the collector electrode of the PNP triode Q4 is grounded with the positive electrode end of the voltage stabilizing diode D6.