CN211019376U - Night scene lamp redundancy control device with fault detection and emergency lighting functions - Google Patents
Night scene lamp redundancy control device with fault detection and emergency lighting functions Download PDFInfo
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- CN211019376U CN211019376U CN201922020688.0U CN201922020688U CN211019376U CN 211019376 U CN211019376 U CN 211019376U CN 201922020688 U CN201922020688 U CN 201922020688U CN 211019376 U CN211019376 U CN 211019376U
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- Y—GENERAL 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
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- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B20/00—Energy efficient lighting technologies, e.g. halogen lamps or gas discharge lamps
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Abstract
The utility model discloses a night scene lamp redundancy control device with fault detection and emergency lighting functions, which comprises a power supply circuit, a main driving circuit, a standby driving circuit, a lighting lamp driving circuit, a storage battery, a main control circuit, a wireless communication circuit, a first switch circuit, a second switch circuit, a third switch circuit, an emergency lighting lamp and a night scene lamp, when the voltage of the power output end of the power supply circuit is less than a first preset voltage, the power supply circuit is determined to be in an abnormal working state, the third switch circuit is controlled to be conducted, the emergency illuminating lamp is lightened, and a first fault signal is output, when the voltage of the power output end of the power circuit is greater than the second preset voltage and the voltage of the power end of the night scene lamp is less than the second preset voltage, the main driving circuit is in an abnormal working state, and the second switch circuit is controlled to be switched on so that the standby driving circuit works to enable the working personnel to know that the main driving circuit has faults so as to carry out timely overhaul and maintenance.
Description
Technical Field
The utility model relates to a night scene lighting technology field, in particular to have fault detection and emergency lighting's night scene lamp redundant control device concurrently.
Background
Night scene lighting generally refers to lighting that, in addition to functional lighting, aims at beautifying night human and natural landscapes. The lighting objects include buildings or structures, squares, roads and bridges, airports, stations and docks, scenic spots and historic sites, garden greenbelts, mountain bodies, river water surfaces, commercial streets, advertising signs, urban municipal facilities and the like, and the purpose is to use light to reshape the lighting objects and organically combine the lighting objects into a harmonious, beautiful and spectacular night scene picture so as to represent the night image of a city or region.
The night scene illumination is divided into indoor night scene illumination or outdoor night scene illumination, the night scene lamp redundancy control device with fault detection and emergency illumination is usually only provided with the night scene illumination, a power circuit provides power for a driving circuit, when the night scene lamp fails, the night scene illumination or the driving circuit is difficult to judge, and meanwhile, when the night scene lamp fails, indoor or outdoor audiences are in a dark environment and are easy to generate danger.
SUMMERY OF THE UTILITY MODEL
The utility model mainly aims at providing a night scene lamp control circuit aims at solving above-mentioned technical problem.
In order to achieve the above object, the night-scene lamp redundancy control device with both fault detection and emergency lighting provided by the utility model comprises a power supply circuit, a main driving circuit, a standby driving circuit, a lighting lamp driving circuit, a storage battery, a main control circuit, a wireless communication circuit, a first switch circuit, a second switch circuit, a third switch circuit, an emergency lighting lamp and a night-scene lamp;
the first power output end of the power circuit, the power input end of the first switch circuit, the power input end of the second switch circuit and the first voltage sampling end of the main control circuit are interconnected, the power output end of the first switch circuit is connected with the power input end of the main drive circuit, the power output end of the second switch circuit is connected with the power input end of the standby drive circuit, the power output end of the main drive circuit, the power output end of the standby drive circuit, the second voltage sampling end of the main control circuit and the power end of the night light are interconnected, the second power end of the power circuit is connected with the charging port of the storage battery, the discharging port of the storage battery is connected with the power input end of the third switch circuit, the power output end of the third switch circuit is connected with the power input end of the lighting lamp drive circuit, the power output end of the illuminating lamp driving circuit is connected with the power end of the emergency illuminating lamp;
the controlled end of the first switch circuit, the controlled end of the second switch circuit and the controlled end of the third switch circuit are respectively connected with the control end of the main control circuit, and the signal end of the wireless communication circuit is connected with the signal end of the main control circuit;
the power supply circuit is used for outputting a first working voltage to drive the main driving circuit or the standby driving circuit and outputting a second working voltage to charge and store energy for the storage battery;
the main driving circuit is used for receiving the first working voltage when the first switch circuit is switched on and outputting a driving signal to the night scene lamp so as to control the night scene lamp to enter a night scene lighting mode;
the standby driving circuit is used for receiving the first working voltage when the second switching circuit is switched on and outputting a driving signal to the night scene lamp so as to control the night scene lamp to enter a night scene lighting mode;
the storage battery is used for outputting a third working voltage to the lighting lamp driving circuit when the third switch circuit is conducted;
the lighting lamp driving circuit is used for receiving the third working voltage and outputting a driving signal to control the emergency lighting lamp to be turned on;
the main control circuit is used for controlling the first switch circuit to be conducted at night, acquiring the voltage of the power output end of the power circuit and the voltage of the power end of the night lamp, determining that the power circuit is in an abnormal working state when the voltage of the power output end of the power circuit is smaller than a first preset voltage, controlling the third switch circuit to be conducted and outputting a first fault signal to the upper computer through the wireless communication circuit;
when the voltage of the power output end of the power circuit is greater than a second preset voltage and the voltage of the power end of the night-vision lamp is less than the second preset voltage, it is determined that the main driving circuit is in an abnormal working state, the second switching circuit is controlled to be switched on so that the standby driving circuit works, and a second fault signal is output to the upper computer through the wireless communication circuit.
Preferably, the main control circuit comprises a first voltage sampling circuit, a second voltage sampling circuit and a main controller;
the first voltage sampling circuit is connected between the power supply circuit and the main controller in series, and the second voltage sampling circuit is connected between the night light and the main controller in series;
the first voltage sampling circuit is used for sampling the output voltage of the power supply circuit and outputting a first voltage sampling signal to the main controller;
the second voltage sampling circuit is used for sampling the voltage of the power supply end of the night light and outputting a second voltage sampling signal to the controller;
and the main controller is used for determining the working states of the power circuit and the main driving circuit according to the first voltage sampling signal and the second voltage sampling signal, correspondingly controlling the second switch circuit and the third switch circuit to be switched on or switched off, and outputting a fault signal to the upper computer through the wireless communication circuit.
Preferably, the first voltage sampling circuit includes a first resistor and a second resistor, a first end of the first resistor is connected to the power output terminal of the power circuit, a second end of the first resistor, a first end of the second resistor and the first signal terminal of the main controller are connected, and a second end of the second resistor is grounded.
Preferably, the first voltage sampling circuit includes a third resistor and a fourth resistor, a first end of the third resistor is connected to the power output terminal of the power circuit, a second end of the third resistor, a first end of the fourth resistor and the second signal terminal of the main controller are connected, and a second end of the fourth resistor is grounded.
Preferably, the first switch circuit includes a first NMOS transistor, the second switch circuit includes a second NMOS transistor, and the third switch circuit includes a third NMOS transistor.
Preferably, the wireless communication circuit is at least one of a bluetooth module, a wifi module and an L oRa module.
Preferably, the power supply circuit is a switching power supply chip.
Preferably, the illumination lamp driving circuit includes a buck-boost circuit.
The technical scheme of the utility model is that the night scene lamp redundancy control device with fault detection and emergency lighting is composed of a power supply circuit, a main drive circuit, a standby drive circuit, a lighting lamp drive circuit, a storage battery, a main control circuit, a wireless communication circuit, a first switch circuit, a second switch circuit, a third switch circuit, an emergency lighting lamp and a night scene lamp, the main control circuit controls the first switch circuit to be conducted at night so that the main drive circuit drives the night scene lamp to carry out night scene lighting work, and simultaneously obtains the voltage of the power supply output end of the power supply circuit and the voltage of the power end of the night scene lamp, when the voltage of the power supply output end of the power supply circuit is less than a first preset voltage, the power supply circuit is determined to be in an abnormal working state, at the moment, the third switch circuit is controlled to be conducted so that the storage battery outputs a third working voltage to drive the emergency lighting lamp to light up, thereby providing emergency lighting for audiences, and outputting a first fault signal to the upper computer through the wireless communication circuit so that a worker knows that the power supply circuit has a fault, determining that the current power supply circuit works normally when the voltage of the power supply output end of the power supply circuit is greater than a second preset voltage and the voltage of the power supply end of the night scene lamp is less than the second preset voltage, controlling the second switch circuit to be switched on so that the standby driving circuit works, and outputting a second fault signal to the upper computer through the wireless communication circuit so that the worker knows that the main driving circuit has a fault to carry out timely overhaul and maintenance.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the structures shown in the drawings without creative efforts.
Fig. 1 is a schematic block diagram of an embodiment of a night scene lamp redundancy control device with fault detection and emergency lighting according to the present invention;
fig. 2 is a schematic block diagram of an embodiment of a main control circuit in the night-scene lamp redundancy control device with fault detection and emergency lighting according to the present invention;
fig. 3 is a schematic circuit diagram of an embodiment of a main control circuit in the night scene lighting control device of the present invention.
The objects, features and advantages of the present invention will be further described with reference to the accompanying drawings.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
It should be noted that the description relating to "first", "second", etc. in the present invention is for descriptive purposes only and is not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In addition, the meaning of "and/or" appearing throughout is: the method comprises three parallel schemes, wherein the scheme is taken as an A/B (A/B) as an example, the scheme comprises a scheme A, a scheme B or a scheme A and a scheme B which are simultaneously met, in addition, the technical schemes between the various embodiments can be combined with each other, but the technical schemes must be realized by a person with ordinary skill in the art as a basis, and when the technical schemes are mutually contradictory or can not be realized, the combination of the technical schemes is not considered to exist, and the protection scope of the invention is not within the protection scope of the invention.
The utility model provides a night scene lamp 11 controlling means.
As shown in fig. 1, in the present embodiment, the night view lamp 11 control device includes a power supply circuit 10, a main driving circuit 20, a standby driving circuit 30, an illumination lamp driving circuit 60, a storage battery 40, a main control circuit 50, a wireless communication circuit 70, a first switch circuit 13, a second switch circuit 14, a third switch circuit 15, an emergency illumination lamp 12, and a night view lamp 11;
the first power supply output terminal of the power supply circuit 10, the power supply input terminal of the first switch circuit 13, the power supply input terminal of the second switch circuit 14 and the first voltage sampling terminal of the main control circuit 50 are interconnected, the power output end of the first switch circuit 13 is connected with the power input end of the main drive circuit 20, the power output end of the second switch circuit 14 is connected with the power input end of the standby drive circuit 30, the power output end of the main drive circuit 20, the power output end of the standby drive circuit 30, the second voltage sampling end of the main control circuit 50 and the power end of the night scene lamp 11 are interconnected, the second power end of the power circuit 10 is connected with the charging port of the storage battery 40, the discharging port of the storage battery 40 is connected with the power input end of the third switch circuit 15, the power output end of the third switch circuit 15 is connected with the power input end of the illuminating lamp drive circuit 60, and the power output end of the illuminating lamp drive circuit 60 is connected with the power end of the emergency illuminating lamp;
the controlled end of the first switch circuit 13, the controlled end of the second switch circuit 14 and the controlled end of the third switch circuit 15 are respectively connected with the control end of the main control circuit 50, and the signal end of the wireless communication circuit 70 is connected with the signal end of the main control circuit 50;
the power supply circuit 10 is used for outputting a first working voltage to drive the main driving circuit 20 or the standby driving circuit 30 and outputting a second working voltage to charge and store energy for the storage battery 40;
the main driving circuit 20 is configured to receive the first working voltage when the first switch circuit 13 is turned on, and output a driving signal to the night view lamp 11 to control the night view lamp 11 to enter a night view illumination mode;
the standby driving circuit 30 is configured to receive the first working voltage when the second switch circuit 14 is turned on, and output a driving signal to the night-scene lamp 11 to control the night-scene lamp 11 to enter a night-scene lighting mode;
a battery 40 for outputting a third operating voltage to the illumination lamp driving circuit 60 when the third switching circuit 15 is turned on;
the lighting lamp driving circuit 60 is configured to receive the third working voltage and output a driving signal to control the emergency lighting lamp 12 to be turned on;
the main control circuit 50 is configured to control the first switch circuit 13 to be turned on at night, acquire the voltage at the power output end of the power supply circuit 10 and the voltage at the power end of the night scene lamp 11, determine that the power supply circuit 10 is in an abnormal working state when the voltage at the power output end of the power supply circuit 10 is smaller than a first preset voltage, control the third switch circuit 15 to be turned on, and output a first fault signal to the upper computer through the wireless communication circuit 70;
when the voltage of the power output end of the power circuit 10 is greater than the second preset voltage and the voltage of the power end of the night scene lamp 11 is less than the second preset voltage, it is determined that the main driving circuit 20 is in an abnormal working state, and the second switching circuit 14 is controlled to be turned on to enable the standby driving circuit 30 to work, and a second fault signal is output to the upper computer through the wireless communication circuit 70.
In this embodiment, night scene lamp 11 includes a plurality of L ED lamps, and L ED lamp sets up on outdoor wall surface or indoor wall surface according to different scenes and demand, simultaneously, still is provided with emergency lighting lamp 12 on the wall surface, and emergency lighting lamp 12 can set up at walking track, outdoor wall post etc. and emergency lighting lamp 12 adopts the highlight light, and shines the direction in order to predetermine the angle towards ground.
The power circuit 10 outputs multiple operating voltages, the main driving circuit 20 plays a main driving role during night scene illumination, the night scene lamp 11 is controlled to operate when receiving a first operating voltage, the night scene lamp 11 correspondingly enters a night scene illumination mode according to a driving signal so as to display a preset image or a preset mark on a wall body, the main driving circuit 20 is connected with the power circuit 10 through a first switch circuit 13, the standby driving circuit 30 is connected with the power circuit 10 through a second switch circuit 14 and plays a standby driving function, the main driving circuit 20 and the standby driving circuit 30 are identical in structure and can be composed of L ED controllers, power conversion circuits and other circuits, the L ED controllers correspondingly control the power conversion circuits to output driving signals with different sizes to the night scene lamp 11 according to a preset program, the specific structures of the main driving circuit 20 and the standby driving circuit 30 can be in accordance with the conventional technology and are not described in detail herein, and the main driving circuit 20 and the standby driving circuit 30 only output driving signals to the night scene lamp 11, and the first driving circuit refers to a period from yellow to night, namely a period from night to night dusk, and a period from dawn to night.
In daytime, the main control circuit 50 can control the first switch circuit 13 and the second switch circuit 14 to be both in an off state, at this time, the main drive circuit 20 and the standby drive circuit 30 do not drive the night-scene lamp 11, when entering night, the main control circuit 50 firstly controls the first switch circuit 13 to be switched on, so that the main drive circuit 20 receives the first working voltage to drive the night-scene lamp 11, and simultaneously samples and obtains the voltage of the power output end of the power circuit 10 and the voltage of the power end of the night-scene lamp 11, and performs corresponding switch control work according to the voltage of the power output end of the power circuit 10 and the voltage of the power end of the night-scene lamp 11.
Specifically, when the voltage of the power output end of the power supply circuit 10 is smaller than a first preset voltage, the main control circuit 50 determines that the power supply circuit 10 is in an abnormal working state, no matter whether the main driving circuit 20 normally operates the night-scene lamp 11, the night-scene lamp does not perform the night-scene illumination work, the current environment is in a dark environment, at this time, the third switch circuit 15 needs to be controlled to be switched on, so that the lighting lamp driving circuit 60 controls the emergency lighting lamp 12 to be turned on to provide emergency illumination for audiences or workers, and meanwhile, the wireless communication circuit 70 outputs a first fault signal to the upper computer to inform the workers of the occurrence of a first-level fault, so that the timely maintenance.
When the voltage of the power output end of the power circuit 10 is greater than the second preset voltage and the voltage of the power end of the night scene lamp 11 is less than the second preset voltage, it is determined that the power circuit 10 outputs normally and the main driving circuit 20 is in an abnormal working state, at this time, the main control circuit 50 controls the second switch circuit 14 to be conducted so that the standby driving circuit 30 works, the continuity of night scene illumination is achieved, and a second fault signal is output to the upper computer through the wireless communication circuit 70 so that a worker knows that a secondary fault occurs, and the circuit can be overhauled and maintained in the daytime.
Meanwhile, in order to prolong the service life of the emergency lighting lamp 12, the storage battery 4040 is charged by the power circuit 1010 when the power circuit 10 is normal, so that the battery replacement frequency is reduced, and the workload is reduced.
In this embodiment, the first switch circuit 13, the second switch circuit 14, and the third switch circuit 15 may adopt a switch device with controlled on/off capability, such as a triode, a relay, a MOS transistor, and in a specific embodiment, the first switch circuit 13, the second switch circuit 14, and the third switch circuit 15 are respectively a first NMOS transistor, a second NMOS transistor, and a third NMOS transistor, wherein a gate of each MOS transistor is connected to the main control circuit 50, a drain of each MOS transistor is a power input terminal of each switch circuit, and a source of each MOS transistor is a power output terminal of each MOS transistor.
The main control circuit 50 may be a single chip, a CPU, an MCU, etc., and may further incorporate a resistance voltage divider circuit, as shown in fig. 2, in an embodiment, the main control circuit 50 includes a first voltage sampling circuit 51, a second voltage sampling circuit 52 and a main controller 53, the first voltage sampling circuit 51 is connected in series between the power circuit 10 and the main controller 53, the second voltage sampling circuit 52 is connected in series between the night light 11 and the main controller 53, the first voltage sampling circuit 51 is used for sampling an output voltage of the power circuit 10 and outputting a first voltage sampling signal to the main controller 53, the second voltage sampling circuit 52 is used for sampling a voltage at a power end of the night light 11 and outputting a second voltage sampling signal to the controller, the main controller 53 is used for determining working states of the power circuit 10 and the main driver circuit 20 according to the first voltage sampling signal and the second voltage sampling signal and correspondingly controlling the second switch circuit 14 and the third switch circuit 15 to be turned on or turned off, and outputs a fault signal to the upper computer through the wireless communication circuit 70.
In an embodiment, as shown in fig. 3, the first voltage sampling circuit 51 includes a first resistor R1 and a second resistor R2, a first end of the first resistor R1 is connected to the power output terminal of the power circuit 10, a second end of the first resistor R1, a first end of the second resistor R2 and a first signal terminal of the main controller 53 are connected, a second end of the second resistor R2 is grounded, the first voltage sampling circuit 51 includes a third resistor R3 and a fourth resistor R4, a first end of the third resistor R3 is connected to the power output terminal of the power circuit 10, a second end of the third resistor R3, a first end of the fourth resistor R4 and a second signal terminal of the main controller 53 are connected, and a second end of the fourth resistor R4 is grounded.
Meanwhile, the wireless communication circuit 70 can adopt various structures, and in a preferred embodiment, the wireless communication circuit 70 is at least one of bluetooth, wifi and L oRa modules.
The technical scheme of the utility model is that a night scene lamp 11 control device is composed of a power supply circuit 10, a main drive circuit 20, a standby drive circuit 30, a lighting lamp drive circuit 60, a storage battery 40, a main control circuit 50, a wireless communication circuit 70, a first switch circuit 13, a second switch circuit 14, a third switch circuit 15, an emergency lighting lamp 12 and a night scene lamp 11, the main control circuit 50 controls the first switch circuit 13 to be conducted at night so that the main drive circuit 20 drives the night scene lamp 11 to carry out night scene lighting work, and simultaneously obtains the voltage of the power supply output end of the power supply circuit 10 and the voltage of the power end of the night scene lamp 11, when the voltage of the power supply output end of the power supply circuit 10 is smaller than a first preset voltage, the power supply circuit 10 is determined to be in an abnormal working state, at the moment, the third switch circuit 15 is controlled to be conducted so that the storage battery 40 outputs a third working voltage to drive the emergency lighting, providing emergency lighting for audiences, outputting a first fault signal to an upper computer through the wireless communication circuit 70 to enable a worker to know that the power supply circuit 10 has a fault, determining that the current power supply circuit 10 works normally when the voltage of the power supply output end of the power supply circuit 10 is greater than a second preset voltage and the voltage of the power supply end of the night scene lamp 11 is less than the second preset voltage, controlling the second switch circuit 14 to be switched on to enable the standby drive circuit 30 to work, and outputting a second fault signal to the upper computer through the wireless communication circuit 70 to enable the worker to know that the main drive circuit 20 has the fault so as to carry out timely overhaul and maintenance.
In a preferred embodiment, the power circuit 10 includes a switching power chip, which receives ac power and converts the ac power into dc power and outputs different voltage values, and a rectifying and filtering circuit, a conjugate circuit, a voltage conversion circuit, and the like are integrated on the switching power chip.
Meanwhile, the illumination lamp driving circuit 60 is configured to convert the third working voltage into the working voltage of the emergency illumination lamp 12, and the circuit structure of the illumination lamp driving circuit 60 is correspondingly selected according to the working voltage of the emergency illumination lamp 12, for example, when the working voltage of the emergency illumination lamp 12 is greater than the third working voltage, a voltage boosting circuit needs to be selected at this time, when the working voltage of the emergency illumination lamp 12 is less than the third working voltage, a voltage dropping circuit needs to be selected at this time, in order to improve compatibility, in a preferred embodiment, the illumination lamp driving circuit 60 includes a voltage dropping circuit, and voltage boosting and voltage dropping can be realized when the received third working voltage is applied.
The above only is the preferred embodiment of the present invention, not limiting the scope of the present invention, all the equivalent structure changes made by the contents of the specification and the drawings under the inventive concept of the present invention, or the direct/indirect application in other related technical fields are included in the patent protection scope of the present invention.
Claims (8)
1. A night scene lamp redundancy control device with fault detection and emergency lighting functions is characterized by comprising a power supply circuit, a main driving circuit, a standby driving circuit, a lighting lamp driving circuit, a storage battery, a main control circuit, a wireless communication circuit, a first switch circuit, a second switch circuit, a third switch circuit, an emergency lighting lamp and a night scene lamp;
the first power output end of the power circuit, the power input end of the first switch circuit, the power input end of the second switch circuit and the first voltage sampling end of the main control circuit are interconnected, the power output end of the first switch circuit is connected with the power input end of the main drive circuit, the power output end of the second switch circuit is connected with the power input end of the standby drive circuit, the power output end of the main drive circuit, the power output end of the standby drive circuit, the second voltage sampling end of the main control circuit and the power end of the night light are interconnected, the second power end of the power circuit is connected with the charging port of the storage battery, the discharging port of the storage battery is connected with the power input end of the third switch circuit, the power output end of the third switch circuit is connected with the power input end of the lighting lamp drive circuit, the power output end of the illuminating lamp driving circuit is connected with the power end of the emergency illuminating lamp;
the controlled end of the first switch circuit, the controlled end of the second switch circuit and the controlled end of the third switch circuit are respectively connected with the control end of the main control circuit, and the signal end of the wireless communication circuit is connected with the signal end of the main control circuit;
the power supply circuit is used for outputting a first working voltage to drive the main driving circuit or the standby driving circuit and outputting a second working voltage to charge and store energy for the storage battery;
the main driving circuit is used for receiving the first working voltage when the first switch circuit is switched on and outputting a driving signal to the night scene lamp so as to control the night scene lamp to enter a night scene lighting mode;
the standby driving circuit is used for receiving the first working voltage when the second switching circuit is switched on and outputting a driving signal to the night scene lamp so as to control the night scene lamp to enter a night scene lighting mode;
the storage battery is used for outputting a third working voltage to the lighting lamp driving circuit when the third switch circuit is conducted;
the lighting lamp driving circuit is used for receiving the third working voltage and outputting a driving signal to control the emergency lighting lamp to be turned on;
the main control circuit is used for controlling the first switch circuit to be conducted at night, acquiring the voltage of the power output end of the power circuit and the voltage of the power end of the night lamp, determining that the power circuit is in an abnormal working state when the voltage of the power output end of the power circuit is smaller than a first preset voltage, controlling the third switch circuit to be conducted and outputting a first fault signal to the upper computer through the wireless communication circuit;
when the voltage of the power output end of the power circuit is greater than a second preset voltage and the voltage of the power end of the night-vision lamp is less than the second preset voltage, it is determined that the main driving circuit is in an abnormal working state, the second switching circuit is controlled to be switched on so that the standby driving circuit works, and a second fault signal is output to the upper computer through the wireless communication circuit.
2. The night vision lamp redundancy control device with both fault detection and emergency lighting of claim 1, wherein the master control circuit comprises a first voltage sampling circuit, a second voltage sampling circuit and a master controller;
the first voltage sampling circuit is connected between the power supply circuit and the main controller in series, and the second voltage sampling circuit is connected between the night light and the main controller in series;
the first voltage sampling circuit is used for sampling the output voltage of the power supply circuit and outputting a first voltage sampling signal to the main controller;
the second voltage sampling circuit is used for sampling the voltage of the power supply end of the night light and outputting a second voltage sampling signal to the controller;
and the main controller is used for determining the working states of the power circuit and the main driving circuit according to the first voltage sampling signal and the second voltage sampling signal, correspondingly controlling the second switch circuit and the third switch circuit to be switched on or switched off, and outputting a fault signal to the upper computer through the wireless communication circuit.
3. The night vision lamp redundancy control device with both fault detection and emergency lighting as claimed in claim 2, wherein the first voltage sampling circuit comprises a first resistor and a second resistor, a first end of the first resistor is connected to the power output terminal of the power circuit, a second end of the first resistor, a first end of the second resistor and a first signal terminal of the main controller are connected, and a second end of the second resistor is connected to ground.
4. The night vision lamp redundancy control device with both fault detection and emergency lighting as claimed in claim 3, wherein the first voltage sampling circuit comprises a third resistor and a fourth resistor, a first end of the third resistor is connected to the power output terminal of the power circuit, a second end of the third resistor, a first end of the fourth resistor and a second signal terminal of the main controller are connected, and a second end of the fourth resistor is connected to ground.
5. The night vision lamp redundant control device with both fault detection and emergency lighting of claim 1 wherein the first switching circuit comprises a first NMOS transistor, the second switching circuit comprises a second NMOS transistor, and the third switching circuit comprises a third NMOS transistor.
6. The night vision lamp redundancy control device with both fault detection and emergency lighting of claim 1, wherein the wireless communication circuit is at least one of a bluetooth, wifi, L oRa module.
7. The night vision lamp redundancy control device with both fault detection and emergency lighting of claim 1, wherein the power circuit is a switching power chip.
8. The redundant control unit for night vision lamps with both fault detection and emergency lighting of claim 1 wherein the lamp driver circuit comprises a buck-boost circuit.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922020688.0U CN211019376U (en) | 2019-11-20 | 2019-11-20 | Night scene lamp redundancy control device with fault detection and emergency lighting functions |
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| CN201922020688.0U CN211019376U (en) | 2019-11-20 | 2019-11-20 | Night scene lamp redundancy control device with fault detection and emergency lighting functions |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113891521A (en) * | 2021-11-05 | 2022-01-04 | 深圳市角度控光智能照明技术有限公司 | PWM chopping dimming redundant circuit and chopping dimming method thereof |
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2019
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113891521A (en) * | 2021-11-05 | 2022-01-04 | 深圳市角度控光智能照明技术有限公司 | PWM chopping dimming redundant circuit and chopping dimming method thereof |
| CN113891521B (en) * | 2021-11-05 | 2023-09-19 | 深圳市角度控光智能照明技术有限公司 | PWM chopping dimming redundant circuit and chopping dimming method thereof |
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