CN110535225B - Emergency output circuit with built-in energy dividing function and emergency device - Google Patents

Emergency output circuit with built-in energy dividing function and emergency device Download PDF

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Publication number
CN110535225B
CN110535225B CN201910907423.4A CN201910907423A CN110535225B CN 110535225 B CN110535225 B CN 110535225B CN 201910907423 A CN201910907423 A CN 201910907423A CN 110535225 B CN110535225 B CN 110535225B
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mos tube
emergency
distribution control
output
control unit
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CN201910907423.4A
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CN110535225A (en
Inventor
柯建军
谭良平
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Shenzhen Billda Technology Co ltd
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Shenzhen Billda Technology Co ltd
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    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02JCIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J9/00Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting
    • H02J9/02Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting in which an auxiliary distribution system and its associated lamps are brought into service
    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02JCIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J9/00Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting
    • H02J9/04Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting in which the distribution system is disconnected from the normal source and connected to a standby source
    • H02J9/06Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting in which the distribution system is disconnected from the normal source and connected to a standby source with automatic change-over, e.g. UPS systems
    • H02J9/061Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting in which the distribution system is disconnected from the normal source and connected to a standby source with automatic change-over, e.g. UPS systems for DC powered loads
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02BCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
    • Y02B70/00Technologies for an efficient end-user side electric power management and consumption
    • Y02B70/30Systems integrating technologies related to power network operation and communication or information technologies for improving the carbon footprint of the management of residential or tertiary loads, i.e. smart grids as climate change mitigation technology in the buildings sector, including also the last stages of power distribution and the control, monitoring or operating management systems at local level
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y04INFORMATION OR COMMUNICATION TECHNOLOGIES HAVING AN IMPACT ON OTHER TECHNOLOGY AREAS
    • Y04SSYSTEMS INTEGRATING TECHNOLOGIES RELATED TO POWER NETWORK OPERATION, COMMUNICATION OR INFORMATION TECHNOLOGIES FOR IMPROVING THE ELECTRICAL POWER GENERATION, TRANSMISSION, DISTRIBUTION, MANAGEMENT OR USAGE, i.e. SMART GRIDS
    • Y04S20/00Management or operation of end-user stationary applications or the last stages of power distribution; Controlling, monitoring or operating thereof
    • Y04S20/20End-user application control systems

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  • Business, Economics & Management (AREA)
  • Emergency Management (AREA)
  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Circuit Arrangement For Electric Light Sources In General (AREA)

Abstract

The invention discloses an emergency output circuit with a built-in energy dividing function, which comprises an emergency module, a distribution control unit and an energy dividing control unit, wherein the emergency module is used for outputting standby electric energy to supply loads for emergency illumination when a mains supply power failure is detected, the first output ends of the distribution control unit are N and are respectively connected with N loads, N is more than or equal to 2, the distribution control unit is connected with the emergency module, the emergency module outputs the standby electric energy to the distribution control unit, and the distribution control unit distributes the standby electric energy into N output electric energy and sends the N output electric energy to the N loads through the N first output ends respectively so as to realize energy dividing and power supply. The invention can distribute the output electric energy of the emergency module into a plurality of parts and supply power for a plurality of loads or drives through multiplexing output.

Description

Emergency output circuit with built-in energy dividing function and emergency device
Technical Field
The invention relates to the technical field of emergency lighting, in particular to an emergency output circuit with a built-in energy dividing function and an emergency device.
Background
The distributor (power divider) is a device for dividing one input energy into two paths or outputting equal or unequal energy by multiple paths, and can also reversely combine multiple paths of signal energy into one path of output, and can also be called a combiner at the moment, wherein the distribution device can distribute the maximum electric energy provided by the power supply to each path of LEDs evenly or proportionally or distribute the electric energy provided by the power supply evenly or proportionally according to the actual number of paths of LEDs;
emergency lighting is lighting for people to evacuate, secure safety or continue to work under the condition that normal lighting system is not provided with normal lighting under the condition that a power supply fails, such as power failure, for example, some important places should be out of work and move. Such as subway stations, underground hospitals, large and medium-sized markets, hotels, restaurants, garages, underground entertainment venues and the like. And a set of emergency power supply is generally arranged in the emergency lighting correspondingly. The emergency power supply is an emergency power supply for converting direct-current energy into alternating-current energy, and particularly needs to be used for illumination in large markets, co-production occasions, families and the like, and therefore the emergency power supply needs to be arranged for emergency illumination; each LED lamp needs to be configured with an emergency power supply, a single emergency power supply can only supply power to one LED lamp, and for emergency status, the time of emergency lighting is short, generally 1-2 hours, and in large occasions such as a market or a factory, each layer of the emergency power supply is marked with a plurality of LED lamps, at this time, each LED lamp is configured with an emergency power supply separately, the purchase and installation costs are high, and energy remains are caused, but the dispenser has not been found to be applied to emergency devices at present.
Disclosure of Invention
Aiming at the defects in the technology, the invention provides the emergency output circuit with the built-in energy dividing function, which can divide the output electric energy of the emergency module into a plurality of parts and supply power to a plurality of loads or drives through multiplexing.
In order to achieve the above purpose, the invention provides an emergency output circuit with a built-in energy dividing function, which comprises an emergency module, an allocation control unit and an energy dividing control unit, wherein the emergency module is used for outputting standby electric energy to supply loads for emergency illumination when a mains supply power failure is detected, the first output ends of the allocation control unit are N and are respectively connected with N loads, N is greater than or equal to 2, the allocation control unit is connected with the emergency module, the emergency module outputs electric energy to the allocation control unit, and the allocation control unit distributes the electric energy into N output electric energy and sends the N output electric energy to the N loads through the N first output ends respectively to achieve energy dividing and power supply.
The distribution control unit comprises a distribution control chip and N paths of first switch circuits, wherein the input end of the distribution control chip is connected with the output end of the emergency module, N first 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 circuits are used for being connected with loads.
When N is equal to 2, the distribution control unit comprises a distribution control chip and 2 paths of first switch circuits, the input end of the distribution control chip is connected with the output end of the emergency module, the 2 output ends of the distribution control chip are respectively connected with the control ends of the 2 paths of first switch circuits, and the output ends of the 2 paths of first switch circuits are used for connecting loads.
Each first switching circuit comprises a first triode and a first MOS tube, the first triode is connected with the distribution control chip and the control end of the first MOS tube and then grounded, the first end of the first MOS tube is grounded, and the second end of the first MOS tube is used for connecting a load; the first triode controls the on and off of the first MOS tube so as to enable a load connected with the first MOS tube to work.
The first triode is a PNP triode, the base electrode of the first triode is connected with one of the first output ends of the distribution control chip, the collector electrode is grounded, and the emitter electrode 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 emitter 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 turned on or turned off.
The power supply circuit further comprises a second switch circuit, the second switch circuit is grounded after being connected with the mains supply and the load, and when the mains supply supplies power, the second switch circuit is conducted, and the mains supply and the load form a loop.
The distribution control unit is connected with the first output end of the distribution control unit, the second output end of the distribution control unit is connected with the first output end of the distribution control unit, the first output end of the distribution control unit is connected with the first output end of the distribution control unit, the second output end of the distribution control unit is connected with the first output end of the distribution control unit, the first output end of the distribution control unit is connected with the first output end of the distribution control unit, and the distribution control unit is connected with the second output end of the distribution control unit.
The second switching circuit comprises a second MOS tube and a third MOS tube, the grid electrodes of the second MOS tube and the third MOS tube are respectively coupled between the positive electrode of the mains supply and the load, the drain electrode of the second MOS tube is connected with the negative electrode of the mains supply, the source electrode of the second MOS tube is connected with the drain electrode of the third MOS tube, and the drain electrode of the third MOS tube is used for being connected with the load.
The invention also provides an emergency device with the built-in energy dividing function, which comprises an emergency power supply and a built-in distributor, wherein the distributor comprises a control board, the control board is integrated with an emergency output circuit with the built-in energy dividing function, and the input end of the emergency output circuit is connected with the output end of the emergency power supply so as to receive standby electric energy provided by the emergency power supply and distribute the standby electric energy to form multiple outputs.
The beneficial effects of the invention are as follows: compared with the prior art, the emergency output circuit with the built-in energy dividing function and the emergency device are provided, the distribution control unit is arranged between the emergency module and the load, N first output ends of the distribution control unit are respectively connected with N loads, after the emergency module outputs standby electric quantity to the distribution control unit, the distribution control unit distributes the standby electric quantity into N parts and simultaneously supplies power to the N loads respectively, so that one emergency power supply can supply power for the multiple loads, the electric quantity of the emergency power supply is reasonably distributed and is convenient to install and control, compared with the situation that the emergency power supply can only adapt to one load, the arrangement cost is greatly saved, and the emergency power supply is convenient to manage and control and install particularly for large-scale malls or factories.
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 party block diagram of the present invention;
FIG. 4 is a fourth block diagram of the present invention;
FIG. 5 is a first overall circuit diagram of the present invention;
FIG. 6 is a fifth block diagram of the present invention;
FIG. 7 is a sixth block diagram of the present invention;
FIG. 8 is a seventh block diagram of the present invention;
FIG. 9 is a second overall circuit diagram of the present invention;
FIG. 10 is an eighth block diagram of the present invention;
FIG. 11 is a ninth block diagram of the present invention;
FIG. 12 is a tenth block diagram of the present invention;
Fig. 13 is a third overall circuit diagram of the present invention.
The main reference numerals are as follows:
1. an emergency module; 2. An allocation control unit; 21, distributing a control chip; 22. a first switching unit;
3. An emergency dimming control circuit; 31. starting a switch circuit; 32. an operation switch circuit; 4. a load; 5. a second switching circuit; 6. a remote dimming control unit; 7. a signal unit; 9. a mains supply dimming unit; 10. and (5) mains supply.
Detailed Description
In order to more clearly illustrate the invention, the invention is further described below with reference to the accompanying drawings.
Referring to fig. 1, the emergency device with the built-in energy dividing function comprises an emergency power supply and a built-in distributor, wherein the distribution comprises a control board, an emergency output circuit with the built-in energy dividing function is integrated on the control board, the input end of the emergency output circuit is connected with the output end of the emergency power supply to receive standby current provided by the emergency power supply and distribute the standby power to form multiple outputs, and N loads are respectively and simultaneously supplied with power, so that one emergency power supply can supply power for a plurality of loads, the electric quantity of the emergency power supply is reasonably distributed and is convenient to install and control, compared with the situation that the emergency power supply can only be matched with one load 4, the arrangement cost is greatly saved, and the emergency power supply is convenient to manage and control and install particularly for large-scale shops or factories; specifically, the emergency output circuit with the built-in energy dividing function comprises an emergency module 1, and is used for outputting standby electric energy to supply a load 4 for emergency illumination when a mains supply power failure is detected, wherein the emergency module 1 is a common emergency power supply module 1 in the market and comprises a power supply conversion module, a standby battery, a charging module, a boosting unit and the like, in order to achieve the technical purpose of the invention, the emergency output circuit further comprises a distribution control unit 2, the first output ends of the distribution control unit 2 are N and are respectively connected with the N loads 4, N is greater than or equal to 2, the distribution control unit 2 is connected with the emergency module, the emergency module outputs the standby electric energy to the distribution control unit 2, the distribution control unit 2 distributes the standby electric energy into N output electric energy and sends the N output electric energy to the N loads 4 through the N first output ends, and the loads are respectively 4-1, 4-2 to 4-N loads to realize energy dividing power supply, so that one emergency power supply can supply power to the multiple loads 4.
In this embodiment, referring to fig. 2 to fig. 4, one of the realizable ways of the allocation control unit is: the distribution control unit 2 comprises a distribution control chip 21 and N paths of 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 paths of first switch circuits 22, and the other ends of the N paths of first switch circuits 22 are used for accessing loads, so that when the emergency module 1 detects that mains supply is disconnected, the emergency module sends standby electric quantity to the distribution control chip 21, the distribution control chip 21 divides the standby electric quantity into N parts, and then the N first switch circuits 22 are respectively conducted and are respectively communicated with the N loads to supply emergency power to the loads; for example, assuming that N is equal to 2, the distribution control unit 2 includes a distribution control chip 21 and 2 paths of first switch circuits 22, where the electrical energy refers to the power supply of the emergency module, and the circuit feature of this embodiment is that after each first output end is connected to a load, each load is connected in parallel, at this time, the voltages of the loads connected to each output end are the same, and the sum of the currents of each output end is the total current, and according to the relationship between the power, the voltage and the current, it is known that when the voltages are unchanged, only the total input current needs to be distributed into multiple parts, so that the distribution of the electrical energy can be achieved, and 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, distributes the standby current of 12A into 2 parts of output currents of 6A, and makes the 2 paths of first switch circuits 22 conduct, so that the standby current of the emergency module can be distributed by supplying power to 2 loads respectively.
In the present embodiment, referring to fig. 2-4, one of the manners in which the first switch circuit 22 may be implemented is: each first switch circuit 22 comprises a first triode and a first MOS tube, the first triode is connected with the distribution control chip 21 and the control end of the first MOS tube and then grounded, the first end of the first MOS tube is grounded, and the second end of the first MOS tube is connected with the negative electrode input end; the first triode controls the first MOS tube to be conducted 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 electrode of the first triode is connected with one output end of the distribution control chip U4, the collector electrode is grounded, and the emitter electrode is connected with the control end of the first MOSQ, the first MOS tube is an N-type MOS tube, the grid electrode of the first MOS tube is connected with the emitter electrode of the first triode Q6, the drain electrode of the first MOS tube is grounded, the source electrode of the first MOS tube is connected with the negative electrode input end of the load, the grid electrode of the first MOS tube receives the output current sent by the first triode and is a high-level signal, the first MOS tube is conducted, 2 paths of first triodes are respectively a triode Q5, a triode Q6 and MOS tubes Q7 and Q8, the distribution control chip 21 is a singlechip, and is U4 in the figure, and the first MOS tube is turned on, the bases of the triodes Q5 and Q6 are respectively connected with the input pins 9 and 10 of the distribution control chip U4, the collectors of the triodes Q5 and Q6 are grounded, the emitters of the triodes Q5 and Q6 are respectively connected with the grids of the MOS transistors Q7 and Q8, the drains of the MOS transistors Q7 and Q8 are respectively connected with the ground, the sources are respectively connected with the cathodes of the loads, the input pins 13 to 15 of the distribution control chip U4 are connected with the emergency module 1, at the moment, the first switching circuit 22 controls the low voltage end, the first triode can be an NPN triode, the first MOS transistor is a P-type MOS transistor correspondingly, only the control end is required to be converted into the high voltage end, and the first switching circuit 22 can be in other forms only by the function of the first switching circuit 22.
In this embodiment, the power supply circuit further includes a second switch circuit 5, where the second switch circuit 5 is connected to the negative electrode of the load and then grounded, and when the power supply is performed by the mains supply, the second switch circuit 5 is turned on, and the mains supply and the load form a power supply loop; when the mains supply is in a power failure, the second switch circuit 5 is disconnected, the emergency module 1 supplies power at this moment, and as the second switch circuit 5 is not powered off immediately after the mains supply is in a power failure, there is a delay, that is, a certain time is required for the second switch circuit 5 to be completely disconnected, at this moment, 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 at the same time with the emergency module 1, and a certain damage is caused to the load, therefore, N photoelectric couplers are further provided, the anodes of the photoelectric couplers are connected with the second output end of the distribution control unit 2, the cathodes of the photoelectric couplers are grounded, the collectors of the photoelectric couplers are connected with the control end of the second switch unit 5, and the emitters of the photoelectric couplers are connected with the second end of the second switch unit 5, and when the mains supply is in a power failure, the anodes of the photoelectric couplers receive a closing signal sent by the distribution control unit 2 to disconnect the second switch unit 5 through the collectors, so that the mains supply is completely stopped, and the safety of the load 4 is ensured, and in particular an embodiment is: each second switch circuit 5 comprises a second MOS tube and a third MOS tube, the grid electrodes of the second MOS tube and the third MOS tube are respectively coupled between the positive electrode DR+ of the mains supply and the positive electrode LED1+ of the load, the drain electrode of the second MOS tube is connected with the negative electrode DR-and the source electrode of the mains supply, the drain electrode of the third MOS tube is connected with the negative electrode LED 1-of the load, the distribution control unit 2 is provided with two paths of output ends, namely, 2 loads can be connected, at the moment, one path of the distribution control unit 2 is taken as an example, the second switch circuit 5 of the first path of the distribution control unit comprises a second MOS tube and a third MOS tube which are respectively an MOS tube Q1 and an MOS tube Q2, and correspondingly, the photoelectric coupler U2 is adopted, at the moment, the grid electrodes of the MOS tube Q1 and the MOS tube Q2 are respectively connected with the positive electrode of the mains supply after being connected in series through resistors R4, R3 and R1, and the drain electrode of the MOS tube Q1 is connected with the negative electrode DR-of the mains supply, the source electrode of the MOS tube Q1 and the source electrode of the MOS tube Q2 are connected with the emitter electrode of the photoelectric coupler U2, the drain electrode of the MOS tube Q2 is connected with the negative electrode LED 1-of the load, the collector electrode of the photoelectric coupler U2 is connected with the grid electrodes of the MOS tube Q1 and the MOS tube Q2, the anode is connected with the second output end of the distribution control chip U4, the cathode is connected with the anode of the other photoelectric coupler U3, and the cathode of the other photoelectric coupler U3 is grounded, at the moment, when mains supply is supplied, the negative electrode DR-of the mains supply is connected with the MOS tube Q1 and the MOS tube Q2 after being connected in series through the resistors R1, R2, R3 and R4, at the moment, the mains supply and the load or the drive form a loop to supply, at the moment, the mains supply is not directly connected with the MOS tube Q1 and the MOS tube Q2, the anode of the mains supply can be connected with the MOS tube Q1 after being rectified through the rectifier bridge D4, the positive electrode of the mains supply is rectified through the resistors R4 and R3, R2 and R1 are connected in series and then connected with the grid electrodes of the MOS tube Q1 and the MOS tube Q2, and the negative electrode of the mains supply is connected with the drain electrode of the MOS tube Q1 after being rectified by the rectifier bridge, so that the mains supply is more stable in access; when the mains supply is in power failure, the distribution control chip U4 controls the collector electrode of the photoelectric coupler U2 to be pulled to the level of the grid electrodes of the MOS tube Q1 and the MOS tube Q2, so that the MOS tube Q1 and the MOS tube Q2 are disconnected, and then the mains supply is completely disconnected from the load, and the load is protected.
In this embodiment, referring to fig. 5 to 9, dimming may be performed, so that a dimming unit is further provided, and the allocation control unit 2 is connected to the dimming unit, so that the standby power of the emergency module may be multiplexed and dimmed by the dimming unit, so that the power is saved at the same time under the condition of meeting the emergency lighting; specifically, the dimming unit comprises an emergency dimming control circuit, the emergency dimming control circuit 3 is also connected with the dimming lines of the distribution control unit 2 and the load 4, the distribution control unit 2 sends a dimming signal to the emergency dimming control circuit 3, and the emergency dimming control circuit 3 controls the dimming line of the load 4 to perform dimming according to the dimming signal; one of the realizations is: the emergency dimming control unit 3 comprises a starting switch circuit 31 and a working switch circuit 32, wherein the starting switch electric quantity is connected with the emergency module and a dimming line of a load and then grounded, so that when the emergency module is started, the emergency module is conducted to output high level to start the load; the distribution control unit controls the working switch circuit to conduct the working voltage of the dimming line for pulling down the load, when the mains supply is just started to power off, the starting switch circuit is connected to the emergency module, and the starting voltage is given through the dimming line of the load, so that the load is started to work; after the load is started, the distribution control unit enables the working switch circuit to be connected in, the working voltage of the light adjusting line of the load is pulled down, the load works in a low-power state, the light adjusting effect is achieved, the load can illuminate under an emergency condition, meanwhile, the power of the load is reduced, the requirement of emergency illumination is met, and electric quantity is not wasted.
In the present embodiment, one of the modes that can be realized specifically is; the starting switch circuit 31 comprises a fourth MOS tube Q10 and a first voltage dividing resistor, the first voltage dividing resistor comprises resistors R33 and R34, the fourth MOS tube Q10 is connected with the emergency module 1 and the negative electrode of the dimming line and then grounded, one ends of the first voltage dividing resistor R33 and R34 are connected with the fourth MOS tube Q10 and the emergency module 1, the other ends of the first voltage dividing resistor R33 and R34 are connected with the positive electrode of the dimming line and the output end of the working switch circuit, when the emergency module 1 outputs voltage, the fourth MOS tube Q10 is conducted, and at the moment, the voltage of the emergency module 1 connected with the fourth MOS tube Q10 is divided by the first voltage dividing resistor R33 and R34 to form the starting voltage of the load and is input to the negative electrode of the dimming line; the working switch circuit 32 includes a second transistor Q9, a second voltage dividing resistor R30 and a capacitor C9, where the control end of the second transistor Q9 is connected to the output end of the distribution control unit 2 and the input end of the capacitor C9, the output end of the capacitor C9 is grounded, one end of the second transistor Q9 is grounded, the other end of the second transistor Q9 is connected to the second voltage dividing resistor R30, and the other end of the second voltage dividing resistor R30 is connected in parallel with the first voltage dividing resistor and then connected to the negative electrode of the light-adjusting line, where the second transistor is a PNP-type transistor, for example, the voltage output by the emergency module 1 is 12V, assuming that the resistance values of the first voltage dividing resistor R33 and R34 are 20K and 100K, and the resistance value of the second voltage dividing resistor R30 is 1K, and when the mains supply is just powered off, the fourth MOS transistor Q9 is connected to the voltage of 12V, and the first voltage dividing resistor R33 and R34 are divided, and then the first voltage dividing resistor is connected to the negative electrode of the light-adjusting line, and the load is started; at this time, the distribution control unit 2 inputs 5V voltage to charge C9 after passing through the resistor R19, before the C9 is not full, the second transistor Q9 is in an unstable state, after knowing that the C9 is full, the load is started at this time, the second transistor Q9 is connected, at this time, after the second voltage dividing resistor 30 is connected with the R34 in the first voltage dividing resistor in parallel, the first voltage dividing resistor R34 is connected with the R33 in series, at this time, the starting voltage is pulled to about 0.7V, so that the load continuously works in a low-power state, and the emergency lighting is met while the electric quantity is saved; besides the emergency lighting can be dimmed, the dimming can be performed under the condition of mains supply, and one of the realizable modes is as follows: the utility power dimming unit 5 further comprises a utility power dimming unit 5, the utility power dimming unit 5 comprises a fifth MOS tube Q11, the positive electrode of the dimmer is respectively connected with the grid electrode of the fifth MOS tube Q11 and the positive electrode of the light modulating line of the load, the source electrode of the fifth MOS tube Q11 is connected with the negative electrode of the light modulating line of the load, the light modulating device is connected with the negative electrode of the load through controlling the conduction condition of the fifth MOS tube Q11, specifically, when the fifth MOS tube Q11 is an N-type MOS tube, the grid electrode of the fifth MOS tube Q11 is connected with the positive electrode of the light modulating device after passing through a resistor R31, the positive electrode of the light modulating device is connected with the negative electrode of the light modulating line, the source electrode of the fifth MOS tube Q11 is connected with the negative electrode of the light modulating device, the drain electrode of the fifth MOS tube Q11 is connected with the positive electrode of the light modulating line of the load, when the utility power is supplied, the light modulating device is used for controlling the conduction condition of the fifth MOS tube Q11 to the load, and the effect of the utility power dimming is played, and in order to avoid the situation that part of the light modulating of the utility power exists in the dimming circuit of the utility power when the utility power is just cut off, in emergency, the first MOS tube Q11 is in the emergency, the first MOS tube Q is connected with the first MOS tube Q11, the first MOS tube Q is connected with the fifth MOS tube Q11, the first MOS tube Q is completely, the first U is connected with the grid electrode of the fifth MOS tube Q11 is completely, the first MOS tube Q is completely, the first U is connected with the fifth MOS tube Q11, the fifth MOS tube Q is completely, the first U is completely connected with the fifth MOS tube Q is completely, and the first U is completely, and the fifth MOS tube is completely connected with the first U is connected with the fifth MOS tube, and the fifth MOS tube is completely, and the first U is completely and the first and has the fifth MOS is completely and has the electric power.
In this embodiment, referring to fig. 5 to 13, the dimming unit further includes a remote dimming control unit 6 and a signal unit 7 according to a dimming manner, the remote dimming control unit 6 is connected with the distribution control unit 1 and the signal unit 7, the signal unit 7 receives an externally input dimming signal 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, the distribution control unit 2 controls the on time of each first switch unit 22 according to the pulse signal, and realizes dimming, specifically, the remote dimming control unit 6 includes a remote control chip U5, a fourth capacitor C9 and a crystal oscillator Y1, an output end of the remote control chip U5 is connected with an input end of the signal unit 7, the input end is connected with a second input end of the distribution control unit 2 through a fourth resistor R23, and a fourth capacitor C9 and the crystal oscillator Y1 are sequentially coupled between the fourth resistor R23 and the input end of the dimming control unit 2; 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 a dimming signal sent by external monitoring equipment and sends the dimming signal to the remote dimming control unit 6 through the signal control chip U2, wherein a pin 5 of the signal control chip U2 is connected with a pin 13 of the remote dimming control unit 6 and then grounded, a pin 8 of the signal control chip U2 is connected with a pin 2 of the remote dimming control unit 6, and meanwhile, the pin 7 of the signal control chip U2 and a pin 4 of the remote control unit 6 are respectively connected with the power output end of the distribution control unit so that the distribution control unit 2 supplies power to the power, and a pin 6 of the remote dimming control unit 6 is connected with the control end of the distribution control unit 2 through a resistor R23, and 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 sent by the external monitoring device through the receiving coil L1, the pin 2 of the remote control unit 6 receives the dimming signal, and generates a standard oscillating signal through the fourth capacitor C9 and the crystal oscillator Y1, and then sends 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, bluetooth and an optical fiber signal transceiver.
The above disclosure is only one or several 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 (2)

1. The emergency output circuit with the built-in energy dividing function comprises an emergency module and a distribution control unit, wherein the emergency module is used for outputting standby electric energy to supply loads for emergency illumination when a mains supply power failure is detected, the emergency output circuit is characterized by further comprising N distribution control units, wherein the N first output ends of the distribution control units are respectively connected with N loads, N is more than or equal to 2, the distribution control units are connected with the emergency module, the emergency module outputs electric energy to the distribution control units, and the distribution control units distribute the electric energy into N output electric energy and send the N output electric energy to the N loads through the N first output ends respectively to realize energy dividing and power supply;
The distribution control unit comprises a distribution control chip and N paths of first switch circuits, wherein the input end of the distribution control chip is connected with the output end of the emergency module, N first 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 circuits are used for connecting loads;
When N is equal to 2, the distribution control unit comprises a distribution control chip and 2 paths of first switching circuits, wherein the input end of the distribution control chip is connected with the output end of the emergency module, the 2 output ends of the distribution control chip are respectively connected with the control ends of the 2 paths of first switching circuits, and the output ends of the 2 paths of first switching circuits are used for connecting loads;
Each first switch circuit comprises a first triode and a first MOS tube, wherein the first triode is connected with the distribution control chip and the control end of the first MOS tube and then grounded, the first end of the first MOS tube is grounded, and the second end of the first MOS tube is used for connecting a load; the first triode controls the on and off of the first MOS tube so as to enable a load connected with the first MOS tube to work;
The first triode is a PNP triode, the base electrode of the first triode is connected with one of the first output ends of the distribution control chip, the collector electrode is grounded, and the emitter electrode is connected with the control end of the first MOS;
The first MOS tube is an N-type MOS tube, the grid electrode of the first MOS tube is connected with the emitter electrode of the first triode, the drain electrode of the first MOS tube is grounded, the source electrode of the first MOS tube is used for being connected with the negative electrode of the load, and the first triode controls the first MOS tube to be turned on or off;
the power supply circuit further comprises a second switch circuit, wherein the second switch circuit is grounded after being connected with the mains supply and the load, and when the mains supply supplies power, the second switch circuit is conducted, and the mains supply and the load form a loop;
The system comprises a first switch unit, a second switch unit, a distribution control unit, a first switch unit, a second switch unit, a third switch unit, a fourth switch unit, a fifth switch unit, a sixth switch unit and a fourth switch unit, wherein the anode of the first switch unit is connected with the first output end of the distribution control unit, the cathode of the first switch unit is connected with the ground, the collector of the first switch unit is connected with the control end of the third switch unit, and the emitter of the first switch unit is connected with the second end of the fourth switch unit;
The second switching circuit comprises a second MOS tube and a third MOS tube, the grid electrodes of the second MOS tube and the third MOS tube are respectively coupled between the positive electrode of the mains supply and the load, the drain electrode of the second MOS tube is connected with the negative electrode of the mains supply, the source electrode of the second MOS tube is connected with the drain electrode of the third MOS tube, and the drain electrode of the third MOS tube is used for being connected with the load;
The emergency dimming control circuit is used for controlling the dimming line of the load to dim according to the dimming signal.
2. The utility model provides an emergency device of built-in branch ability function in area, includes emergency power source and built-in distributor, the distribution includes the control panel, integrate the emergency output circuit of the built-in branch ability function in area of claim 1 on the control panel, just emergency output circuit's input is connected with emergency power source's output in order to receive emergency power source provides reserve current and distribute reserve electric energy and form multiple output.
CN201910907423.4A 2019-09-24 2019-09-24 Emergency output circuit with built-in energy dividing function and emergency device Active CN110535225B (en)

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US3660714A (en) * 1969-04-08 1972-05-02 Tenelux Ltd Emergency lighting system
US4977351A (en) * 1986-11-18 1990-12-11 Bavco Manufacturing Company, Inc. Emergency lighting system
CN101801131A (en) * 2010-02-08 2010-08-11 海洋王照明科技股份有限公司 Emergency lamp control circuit and emergency illumination lamp fitting
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