CN210840123U

CN210840123U - But emergent output circuit and emergency device of built-in branch of long-range light modulation formula

Info

Publication number: CN210840123U
Application number: CN201921602513.4U
Authority: CN
Inventors: 柯建军; 谭良平
Original assignee: Shenzhen Billda Technology Co ltd
Current assignee: Shenzhen Billda Technology Co ltd
Priority date: 2019-09-24
Filing date: 2019-09-24
Publication date: 2020-06-23
Anticipated expiration: 2029-09-24

Abstract

The utility model discloses a but emergent output circuit and emergency device of built-in branch ability of long-range light-adjusting formula, including emergency module, be used for outputting when detecting commercial power failure and being equipped with the power supply load and carry out emergency lighting, still include long-range light-adjusting unit, the signal unit, distribution control unit and a N first switch unit, a N first output of distribution control unit is connected with a N load through a N first switch unit respectively, N more than or equal to 2, the signal unit receives the dimming signal of external input and gives long-range light-adjusting control unit, long-range light-adjusting control unit output pulse signal is to the distribution control unit, the distribution control unit is according to the on-time of every first switch unit of pulse signal control, realize adjusting luminance. The utility model discloses a mode of long-range dimming can make the load can throw light on under the emergency situation, makes the power reduction of load simultaneously, satisfies emergency lighting's needs, and the electric quantity is not wasted again.

Description

But emergent output circuit and emergency device of built-in branch of long-range light modulation formula

Technical Field

The utility model relates to an emergency lighting's technical field especially relates to a but emergent output circuit and emergency device of built-in branch ability of long-range dimming formula.

Background

Emergency lighting is lighting for evacuating people, ensuring safety or continuing work under the condition that a normal lighting system does not provide normal lighting under the condition of power failure, such as power failure, for example, some important places cannot work or move when lighting is turned off. Such as subway stations, underground hospitals, large and medium-sized shopping malls, hotels, restaurants, garages, underground entertainment places and the like. An emergency power supply is generally provided in emergency lighting. The emergency power supply is composed of a charger, an inverter, a storage battery, an isolation transformer, a change-over switch and other devices, and particularly, in large-scale markets, co-production occasions, families and other occasions, the LED lamps are needed to be used for lighting, so the emergency power supply needs to be arranged for emergency lighting, but the general emergency power supply is driven by a constant current source, on one hand, the existing emergency power supply can only supply power to one LED lamp, on the other hand, in the emergency situation, the LED lamps with light adjusting functions need to adjust the lighting brightness under the condition of emergency power supply, on the other hand, in large-scale markets or factories, the sites are large and multiple floors, so the distribution of the LED lamps is wide, when the emergency situation is reached, the LED lamps of each floor need to be adjusted manually to the sites, and one of the LED lamps is long in time, the manpower is wasted, and the other is that the dimming can not be performed in time, which causes energy waste.

SUMMERY OF THE UTILITY MODEL

To the weak point that exists in the above-mentioned technique, the utility model provides a but emergent output circuit and emergency device of built-in branch ability of long-range dimming formula can make the load can throw light on under the emergency condition, makes the power reduction of load simultaneously, satisfies emergency lighting's needs, does not waste the electric quantity again.

In order to achieve the purpose, the utility model provides a remote dimming type built-in energy-dividing emergency output circuit, which comprises an emergency module, used for outputting standby power to a load for emergency lighting when the power failure of the mains supply is detected, and also comprises a remote dimming control unit, a signal unit, a distribution control unit and N first switch circuits, n first output ends of the distribution control unit are respectively connected with N loads through N first switch circuits, N is more than or equal to 2, the remote dimming control unit is connected with the distribution control unit and the signal unit, the signal unit receives a dimming signal input from the outside and sends the dimming signal to the remote dimming control unit, the remote dimming control unit outputs a pulse signal to the distribution control unit, and the distribution control unit controls the conduction time of each first switch unit according to the pulse signal to realize dimming.

The output end of the remote dimming control unit is connected with the input end of the signal unit, the input end of the remote dimming control unit is connected with the second input end of the distribution control unit through a fourth resistor, and the fourth resistor and the input end of the dimming control unit are sequentially coupled with a fourth capacitor and a crystal oscillator.

The signal unit comprises a signal control chip and a receiving coil connected with the input end of the signal control chip, and the receiving coil receives a dimming signal sent by external monitoring equipment and sends the dimming signal to the remote dimming control unit through the signal control chip.

Wherein, the signal unit comprises one of a WiFi signal transceiving device, a Bluetooth device and an optical fiber signal transceiving device.

The distribution control unit comprises a distribution control chip, the input end of the distribution control chip is connected with the output end of the emergency module, the N output ends of the distribution control chip are respectively connected with the control ends of the N paths of first switch circuits, and the output ends of the N paths of first switch units are used for being connected with N loads.

Each first switch circuit comprises a first triode and a first MOS (metal oxide semiconductor) transistor, the first triode is connected with the distribution control chip and the control end of the first MOS transistor and then grounded, the first end of the first MOS transistor is grounded, and the second end of the first MOS transistor is connected with the negative input end; and the first triode controls the conduction of the first MOS tube when receiving the output current of the distribution control chip so as to enable a load connected with the first MOS tube to work.

The first triode is a PNP triode, and the base of the first triode is connected with one of the output ends of the distribution control chip, the collector of the first triode is grounded, and the emitter of the first triode is connected with the control end of the first MOS.

The first MOS tube is an N-type MOS tube, a grid electrode of the first MOS tube is connected with an emitting electrode of the first triode, a drain electrode of the first MOS tube is grounded, a source electrode of the first MOS tube is used for being connected with a negative electrode of a load, and the first triode controls the first MOS tube to be switched on or switched off.

Wherein, still include voltage conversion unit, voltage conversion unit coupling with between emergency module and the distribution control unit.

The utility model also provides a but the built-in emergency device that divides of remote dimming formula, including emergency power supply and control panel, but integrated on the control panel the built-in emergent output circuit that divides of remote dimming formula, emergent output circuit includes remote dimming unit, signal unit, distribution control unit and N first switch circuit, and the input of emergent output circuit is connected with emergency power supply's output in order to receive the stand-by current that emergency power supply provided and distribute the stand-by current and form many copies output, the remote control unit is connected with distribution control unit, signal unit receives the dimming signal of external input and sends to remote dimming control unit, and remote dimming control unit outputs pulse signal to distribution control unit, distribution control unit controls the on-time of every first switch circuit according to the pulse signal, dimming is achieved.

The utility model has the advantages that: compared with the prior art, the utility model provides a but emergent output circuit and emergency device of built-in branch ability of remote dimming formula, including signal unit, remote dimming unit, distribution control unit and switch unit, and the first output of distribution control unit is equipped with N, and connects N load respectively, and N more than or equal to 2, signal unit receive the dimming signal of external input and send to remote dimming control unit, and distribution control unit realizes dimming according to the on-time of pulse signal control every first switch circuit; through the mode of long-range dimming, can make the load can throw light on under the emergency condition, make the power of load reduce simultaneously, satisfy emergency lighting's needs, the electric quantity of not wasting again.

Drawings

Fig. 1 is a first block diagram of the present invention;

fig. 2 is a second block diagram of the present invention;

fig. 3 is a third block diagram of the present invention;

fig. 4 is an overall circuit diagram of the present invention.

The main element symbols are as follows:

1. an emergency module; 2. A distribution control unit; 21, distributing a control chip; 22. a first switch unit;

4. a load; 5. a second switching unit; 6. a remote dimming control unit; 7. a signal unit; 8. a voltage conversion unit; 9. a mains dimming unit; 10. and (3) commercial power.

Detailed Description

In order to make the present invention clearer, the present invention will be further described with reference to the accompanying drawings.

Referring to fig. 1, the emergency device with remote dimming function and built-in energy distribution of the present invention includes an emergency power supply and a control panel, wherein an emergency output circuit with remote dimming function and built-in energy distribution is integrated on the control panel, and an input end of the emergency output circuit is connected to an output end of the emergency power supply to receive standby electric energy provided by the emergency power supply and distribute the standby electric energy to form multiple outputs. The emergency output circuit comprises a remote dimming control unit 6, a signal unit 7, a distribution control unit 2 and N first switch units 22, and the input end of the emergency output circuit is connected with the output end of the emergency power supply to receive the standby power provided by the emergency power supply and distribute the standby power to form multiple outputs, as shown in fig. 1, the loads are respectively loads 4-1, 4-2 to 4-N, so that energy distribution and power supply are realized, and one emergency power supply can supply power to a plurality of loads 4; the remote dimming control unit 6 is connected with the distribution control unit 1 and the signal unit 7, the signal unit 7 receives a dimming signal input from the outside and sends the dimming signal to the remote dimming control unit 6, the remote dimming control unit 6 outputs a pulse signal to the distribution control unit 2, and the distribution control unit 2 controls the conduction time of each first switch unit 22 according to the pulse signal to realize dimming.

In the present embodiment, specifically, referring to fig. 2-4, the remote dimming control unit 6 includes a remote control chip U5, a fourth capacitor C9 and a crystal oscillator Y1, an output terminal of the remote control chip U5 is connected to an input terminal of the signal unit 7, an input terminal is connected to the second input terminal of the assignment control unit 2 through a fourth resistor R23, and a fourth capacitor C9 and a crystal oscillator Y1 are sequentially coupled between the fourth resistor R23 and the input terminal of the dimming control unit 2; and the signal unit 7 comprises a signal control chip U2 and a receiving coil L1 connected with the input end of the signal control chip U2, the receiving coil L1 receives the dimming signal sent by the outside monitoring equipment and sends the dimming signal to the remote dimming control unit 6 through the signal control chip U2, wherein, the pin 5 of the signal control chip U2 is connected with the pin 13 of the remote dimming control unit 6 and then grounded, and pin 8 of the signal control chip U2 is connected to pin 2 of the remote dimming control unit 6, and simultaneously, pin 7 of the signal control chip U2 and pin 4 of the remote control unit 6 are connected to the power supply output terminal of the assignment control unit, respectively, so that the assignment control unit 2 supplies power thereto, and pin 6 of the remote dimming control unit 6 is connected to the control terminal of the distribution control unit 2 through resistor R23, meanwhile, a fourth capacitor C9 and a crystal oscillator Y1 are sequentially coupled between the fourth resistor R23 and the input end of the dimming control unit 2; thus, when the signal control chip U2 receives the dimming signal transmitted by the outside monitoring device through the receiving coil L1, the pin 2 of the remote control unit 6 receives the dimming signal, and generates a standard oscillation signal through the fourth capacitor C9 and the crystal oscillator Y1, and then transmits a control signal to the distribution control unit 2 through the pin 6, so that the distribution control unit 2 controls the on-time of the first switch unit 22 according to the control signal, and the signal unit 1 includes one of a WiFi signal transceiver, a bluetooth signal transceiver and an optical fiber signal transceiver.

In this embodiment, the allocation control unit may implement one of the following modes: the distribution control unit 2 comprises a distribution control chip 21 and N first switch circuits 22, wherein the input end of the distribution control chip 21 is connected with the output end of the emergency module 1, N first output ends of the distribution control chip 21 are respectively connected with the control ends of the N first switch circuits 22, and the other ends of the N first switch circuits 22 are used for being connected with loads, so that when the emergency module 1 detects that the commercial power is cut off, the emergency module sends standby power to the distribution control chip, the distribution control chip divides the standby power into N parts, and then the N first switch circuits 22 are respectively conducted and respectively communicated with the N loads to supply power to the loads in an emergency manner; for example, assuming that N is equal to 2, the distribution control unit 2 includes a distribution control chip 21 and 2 first switch circuits 22, and in this case, the electric energy refers to the power supply of the emergency module, and the circuit of the embodiment is characterized in that after each first output terminal is connected to a load, each load is connected in parallel, at this time, the voltage of the load connected to each output terminal is the same, and the sum of the currents of each output terminal is the total current, and it can be known from the relationship between the power, the voltage and the current that, when the voltage is constant, the total input current only needs to be distributed into a plurality of parts, and the distribution of the electric energy can be realized, assuming that the standby current supplied by the emergency module 1 is 12A at this time, the distribution control chip 21 receives the standby current of 12A at this time, the standby current of 12A is evenly distributed into 2 parts of output current of 6A, and the 2 first switch circuits 22 are turned on, the output currents of 2 parts and 6A are respectively supplied to 2 loads, and the standby electric energy of the emergency module can be distributed.

In the present embodiment, one of the modes that the first switch circuit 22 can implement is: each first switch circuit 22 comprises a first triode and a first MOS (metal oxide semiconductor) transistor, the first triode is connected with the distribution control chip 21 and the control end of the first MOS transistor and then grounded, the first end of the first MOS transistor is grounded, and the second end of the first MOS transistor is connected with the negative input end; the first triode controls the conduction of the first MOS tube when receiving the output current of the distribution control chip so as to enable a load connected with the first MOS tube to work; for example, the first triode is a PNP triode, the base of the first triode is connected to one of the output terminal of the distribution control chip U4, the collector is grounded, and the emitter is connected to the control terminal of the first MOSQ7, the first MOS transistor is an N-type MOS transistor, the gate of the first MOS transistor is connected to the emitter of the first triode Q6, the drain of the first MOS transistor is grounded, the source of the first MOS transistor is connected to the negative input terminal of the load, the gate of the first MOS transistor receives the high level signal of the output current sent by the first triode, and the first MOS transistor is turned on, taking 2 loads as an example, the 2-way first triode is respectively a triode Q5 and a triode Q6, the first MOS transistor is respectively a MOS transistor Q7 and a Q8, the distribution control chip 21 is a single chip, and is a U6 in the figure, specifically, the bases of the triodes Q5 and Q6 are respectively connected to the

input pins

9 and 10 of the distribution control chip U4, and the collectors of the triodes Q5 and Q6 are, emitters of triodes Q5 and Q6 are respectively connected with gates of MOS tubes Q7 and Q8, drains of MOS tubes Q7 and Q8 are respectively connected with ground, sources of the MOS tubes Q7 and Q8 are respectively connected with a negative electrode of a load, input pins 13 to 15 of a distribution control chip U6 are all connected with the emergency module 1, and a pin 3 of the distribution control chip U6 is connected with a pin 6 of a remote control chip 2 to receive a control signal of the remote control chip 2 and then perform dimming; the emergency control circuit further comprises a voltage conversion unit 8, the voltage conversion unit 8 is coupled between the emergency module 1 and the distribution control unit 2, the output voltage of the emergency module 1 is converted into the output voltage which can be received by the distribution control unit 2, the first switch circuit 22 controls the low-voltage end at the moment, the first triode can be an NPN-type triode, the first MOS transistor is correspondingly a P-type MOS transistor, the high-voltage end is only required to be converted into the control end, the first switch circuit 22 can be in other forms, and only the function of the first switch circuit 22 is required.

In this embodiment, the power supply further includes a second switch circuit 5, the second switch circuit 5 is connected to the negative electrode of the commercial power and the load and then grounded, when the commercial power is supplied, the second switch circuit 5 is turned on, and the commercial power and the load form a power supply loop; when the utility power is cut off, the second switch circuit 5 is disconnected, the emergency module 1 supplies power, and because the second switch circuit 5 does not immediately power off when the utility power is just cut off, a delay exists, namely, a certain time is needed for the complete disconnection of the second switch circuit 5, the emergency module 1 already starts to supply power, the second switch circuit 5 which is not completely disconnected supplies power to the LED lamp simultaneously with the emergency module 1, and a certain damage is caused to the load, therefore, the system is further provided with N photoelectric couplers, the anode of the photoelectric coupler is connected with the second output end of the distribution control unit 2, the cathode of the photoelectric coupler is grounded, the collector of the photoelectric coupler is connected with the control end of the second switch unit 5, the emitter of the photoelectric coupler is connected with the second end of the second switch unit 5, when the utility power is cut off, the anode of the photoelectric coupler receives a closing signal sent by the distribution control unit 2 and outputs a low-level signal through the collector to turn off the second switch unit 5, the utility model has the advantages of play the effect of commercial power complete stop power supply, guaranteed the security of load 4, and a specific embodiment is: each second switch circuit 5 includes a second MOS transistor and a third MOS transistor, gates of the second MOS transistor and the third MOS transistor are respectively coupled between the positive electrode DR + of the utility power and the positive electrode LED1+ of the load, a drain of the second MOS transistor is connected to the negative electrode DR-of the utility power and a source of the utility power is connected to a drain of the third MOS transistor, a drain of the third MOS transistor is connected to the negative electrode LED 1-of the load, taking the distribution control unit 2 as an example with two output terminals, which can be connected to 2 loads, at this time, taking one of the output terminals as an example, the second switch circuit 5 of one of the output terminals includes a second MOS transistor and a third MOS transistor which are respectively a MOS transistor Q1 and a MOS transistor Q2, and an optical coupler U2, at this time, gates of the MOS transistors Q1 and Q2 are respectively connected to the positive electrode of the utility power through resistors R4, R3, R2 and R2 in series, and a drain of the MOS transistor Q1 is connected to the negative electrode DR-of the utility power, and a source of the MOS transistor Q3884 is connected to the emitter of the MOS transistor Q6853 and Q73742, the drain of the MOS transistor Q2 is connected to the negative LED 1-of the load, the collector of the photocoupler U2 is connected to the gates of the MOS transistor Q1 and the MOS transistor Q2, the anode is connected to the second output terminal of the distribution control chip U4, the cathode is connected to the anode of the photocoupler U3, and the cathode of the photocoupler U3 is grounded, at this time, when the utility power is supplied, the negative DR-of the utility power is connected in series through the resistors R1, R2, R3 and R4 to turn on the MOS transistor Q1 and the MOS transistor Q2, at this time, the utility power and the load or the driver form a loop to supply power, here, the utility power is not directly connected to the MOS transistor Q1 and the MOS transistor Q2, but needs to be rectified by the rectifier bridge D4 to be connected to the MOS transistor Q1 and the MOS transistor Q2, the positive pole of the utility power is rectified by the rectifier bridge and then connected to the negative LED 2 of the MOS transistor Q2 and the drain 2 after being rectified by the rectifier bridge 2 and the rectifier bridge 2. The mains supply is more stable to be connected; when the commercial power is cut off, the distribution control chip U4 controls the collector of the photoelectric coupler U2 to be pulled to the level of the gates of the MOS transistor Q1 and the MOS transistor Q2, so that the MOS transistor Q1 and the MOS transistor Q2 are disconnected, the commercial power is completely disconnected from the load, and the load is protected.

The above disclosure is only one or several specific embodiments of the present invention, but the present invention is not limited thereto, and any changes that can be made by those skilled in the art should fall within the protection scope of the present invention.

Claims

1. The utility model provides a but emergent output circuit of built-in branch of long-range light-adjusting formula, includes emergency module for output is equipped with power consumption and supplies load to carry out emergency lighting when detecting commercial power outage, its characterized in that still includes long-range light-adjusting control unit, signal unit, distribution control unit and a N first switch unit, a N first output of distribution control unit is connected with a N load through a N first switch unit respectively, and N more than or equal to 2, long-range light-adjusting control unit is connected with distribution control unit, signal unit receives external input's dimming signal and sends long-range light-adjusting control unit, and long-range light-adjusting control unit outputs pulse signal to distribution control unit, distribution control unit basis the on-time of every first switch unit of pulse signal control realizes adjusting luminance.

2. The remote dimmable emergency output circuit capable of generating internal power distribution according to claim 1, wherein the output terminal of the remote dimming control unit is connected to the input terminal of the signal unit, the input terminal of the remote dimming control unit is connected to the second input terminal of the distribution control unit via a fourth resistor, and the fourth resistor and the input terminal of the dimming control unit are sequentially coupled to a fourth capacitor and a crystal oscillator.

3. The remotely dimmable emergency output circuit capable of being internally powered by a power divider according to claim 2, wherein the signal unit comprises a signal control chip and a receiving coil connected to an input terminal of the signal control chip, and the receiving coil receives the dimming signal transmitted from the external monitoring device and transmits the dimming signal to the dimming control unit through the signal control chip.

4. The remotely dimmable, built-in, energy-splitting emergency output circuit of claim 3, wherein the signal unit comprises one of a WiFi signal transceiver, a Bluetooth, and a fiber optic signal transceiver.

5. The remotely dimmable emergency output circuit with built-in energy splitting according to claim 1, wherein the distribution control unit comprises a distribution control chip, a first input terminal of the distribution control chip is connected to an output terminal of the emergency module, N output terminals of the distribution control chip are respectively connected to the control terminals of N first switch circuits, and the output terminals of the N first switch circuits are used for connecting N loads.

6. The remote dimming built-in energy-division emergency output circuit according to claim 5, wherein each first switch circuit comprises a first triode and a first MOS (metal oxide semiconductor), the first triode is connected with the distribution control chip and the control end of the first MOS and then grounded, the first end of the first MOS is grounded, and the second end of the first MOS is connected with the negative input end; and the first triode controls the conduction of the first MOS tube when receiving the output current of the distribution control chip so as to enable a load connected with the first MOS tube to work.

7. The remotely dimmable emergency output circuit with built-in energy division according to claim 5, wherein the first transistor is a PNP transistor, and a base of the first transistor is connected to one of the output terminals of the distribution control chip, a collector of the first transistor is grounded, and an emitter of the first transistor is connected to the control terminal of the first MOS.

8. The remotely dimmable emergency output circuit with built-in energy division according to claim 7, wherein the first MOS transistor is an N-type MOS transistor, a gate of the first MOS transistor is connected to an emitter of the first transistor, a drain of the first MOS transistor is grounded, a source of the first MOS transistor is used for connecting a negative electrode of a load, and the first transistor controls the first MOS transistor to be turned on or off.

9. The remotely dimmable, built-in, emergency output circuit of claim 1, further comprising a voltage conversion unit coupled between the emergency module and the distribution control unit.

10. A remotely dimmable built-in energy-splitting emergency device, which comprises an emergency power supply and a control board, wherein the control board is integrated with the remotely dimmable built-in energy-splitting emergency output circuit of any one of claims 1 to 9, the emergency output circuit comprises a remote dimming control unit, a signal unit, a distribution control unit and N first switch circuits, an input end of the emergency output circuit is connected with an output end of the emergency power supply to receive standby electric energy provided by the emergency power supply and distribute the standby electric energy into a plurality of outputs, the remote dimming control unit is connected with the distribution control unit and the signal unit, the signal unit receives externally input dimming signals and sends the dimming signals to the remote dimming control unit, the remote dimming control unit outputs pulse signals to the distribution control unit, and the distribution control unit controls the conduction time of each first switch circuit according to the pulse signals, dimming is achieved.