CN113096365A - Central control lighting system and central control light source fault alarm method - Google Patents

Central control lighting system and central control light source fault alarm method Download PDF

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Publication number
CN113096365A
CN113096365A CN202110368455.9A CN202110368455A CN113096365A CN 113096365 A CN113096365 A CN 113096365A CN 202110368455 A CN202110368455 A CN 202110368455A CN 113096365 A CN113096365 A CN 113096365A
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central control
fault
light source
control light
power supply
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CN113096365B (en
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樊成华
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Chengdu Shenglu Electric Appliance Co ltd
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Chengdu Shenglu Electric Appliance Co ltd
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    • G—PHYSICS
    • G08—SIGNALLING
    • G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
    • G08B21/00—Alarms responsive to a single specified undesired or abnormal condition and not otherwise provided for
    • G08B21/18—Status alarms
    • G—PHYSICS
    • G08—SIGNALLING
    • G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
    • G08B25/00—Alarm systems in which the location of the alarm condition is signalled to a central station, e.g. fire or police telegraphic systems
    • G08B25/01—Alarm systems in which the location of the alarm condition is signalled to a central station, e.g. fire or police telegraphic systems characterised by the transmission medium
    • G—PHYSICS
    • G08—SIGNALLING
    • G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
    • G08B25/00—Alarm systems in which the location of the alarm condition is signalled to a central station, e.g. fire or police telegraphic systems
    • G08B25/01—Alarm systems in which the location of the alarm condition is signalled to a central station, e.g. fire or police telegraphic systems characterised by the transmission medium
    • G08B25/08—Alarm systems in which the location of the alarm condition is signalled to a central station, e.g. fire or police telegraphic systems characterised by the transmission medium using communication transmission lines
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B47/00—Circuit arrangements for operating light sources in general, i.e. where the type of light source is not relevant
    • H05B47/10—Controlling the light source
    • H05B47/105—Controlling the light source in response to determined parameters
    • H05B47/11—Controlling the light source in response to determined parameters by determining the brightness or colour temperature of ambient light
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B47/00—Circuit arrangements for operating light sources in general, i.e. where the type of light source is not relevant
    • H05B47/10—Controlling the light source
    • H05B47/105—Controlling the light source in response to determined parameters
    • H05B47/115—Controlling the light source in response to determined parameters by determining the presence or movement of objects or living beings
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B47/00—Circuit arrangements for operating light sources in general, i.e. where the type of light source is not relevant
    • H05B47/10—Controlling the light source
    • H05B47/175—Controlling the light source by remote control
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B47/00—Circuit arrangements for operating light sources in general, i.e. where the type of light source is not relevant
    • H05B47/20—Responsive to malfunctions or to light source life; for protection
    • 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
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • 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
    • Y02B20/40—Control techniques providing energy savings, e.g. smart controller or presence detection

Abstract

The invention discloses a central control lighting system and a central control light source fault alarm method, wherein the central control lighting system comprises a remote monitoring terminal, a main control computer and a plurality of central control equipment groups, each central control equipment group consists of a controller, a fault detection module, a dimming module and at least 3 working power supplies, and each working power supply supplies power for a plurality of central control light sources; each central control equipment group ensures that the central control lighting system has enough capacity, and meanwhile, each central control equipment group is provided with an independent controller, so that the normal operation of other central control equipment groups is not influenced after a certain central control equipment group fails, and the system does not need a single-lamp controller and a centralized controller; data interaction is carried out between the main control computer and each central control equipment group so as to monitor the working states of the light source and the power supply in real time, and when the light source or the power supply fails, the main control computer can rapidly judge a failure point, analyze failure information and send the failure information and alarm information to a remote monitoring terminal so as to take countermeasures in time.

Description

Central control lighting system and central control light source fault alarm method
Technical Field
The invention relates to the technical field of illumination, in particular to a central control illumination system and a central control light source fault alarm method.
Background
With the development of urban construction, urban illumination construction focuses on urban images more and more, and the requirements and the quantity of road illumination and landscape illumination are increasing continuously. Therefore, governments and citizens at all levels have higher requirements on city construction, road lighting and landscape lighting, and the modernization of city lighting management is hopefully realized, so that the city management level reaches the international leading level. In the unprecedented development of informatization, along with the emergence of new technologies such as intelligent terminals, internet of things, cloud computing and big data, smart life explained by smart cities, smart communities and smart homes becomes a fashion standard of science and technology of a new era.
The intelligent lighting system is produced in the background of the era, and although the existing intelligent lighting system combines the modern communication and information technology, the intelligent terminal technology, the internet of things technology and other technologies, the intelligent lighting system has powerful functions and simultaneously faces the problems of complex system structure, difficult maintenance, high equipment cost, high installation cost, high management cost, high maintenance cost and the like; the traditional lighting system uses single-lamp controllers and centralized controllers, when the system carries a large number of light sources, more single-lamp controllers and centralized controllers are needed to ensure the flexibility of the control of the lighting system, and the problem of high failure rate caused by more devices exists.
Disclosure of Invention
In order to solve the technical problem, the invention provides a central control lighting system and a central control light source fault alarm method.
The invention is realized by the following technical scheme:
the invention provides a central control lighting system, which comprises: a remote monitoring terminal, a main control computer and a plurality of central control equipment groups,
the central control equipment group comprises: the device comprises a controller, a fault detection module, a dimming module and at least 1 working power supply, wherein each working power supply supplies power to a plurality of central control light sources;
the fault detection module detects the working states of the working power supply and the central control light source and reports the detection data to the main control computer;
the main control computer carries out working power supply fault judgment and central control light source fault judgment according to the detection data, and sends working power supply fault alarm information or central control light source fault alarm information to the remote monitoring terminal; (the main control computer can rent the server of the Internet data center.)
The remote monitoring terminal sends a dimming instruction and a power switch instruction to each central control equipment group through the main control machine, and the dimming module performs dimming on each central control light source according to the received dimming instruction; and the controller controls the on-off of each working power supply according to the received power supply switching instruction.
The dimming instruction sent by the remote monitoring terminal can be a key-type dimming signal and a timing dimming signal, wherein the key-type dimming signal is that a key is arranged on the remote monitoring terminal, and the key is operated to adjust dimming voltage to realize dimming of the central control light source; the timing dimming signal is used for setting a timing dimming voltage at the remote monitoring terminal to realize the dimming of the central control light source.
The working principle of the scheme is as follows: the existing intelligent lighting system has powerful functions and also has the problems of complex system structure, difficult maintenance, high equipment cost, high installation cost, high management cost, high maintenance cost and the like; in contrast, the conventional lighting system uses a single-lamp controller and a centralized controller, and when the system carries a large number of light sources, more single-lamp controllers and centralized controllers are needed to ensure the flexibility of the control of the lighting system. According to the scheme, a plurality of independent central control equipment groups are designed, so that the system can be ensured to have enough capacity, meanwhile, each central control equipment group is provided with an independent controller, an intelligent part (automatic dimming, remote switch and the like) of the system is integrated in each central control equipment group controller, and when one central control equipment group of the system fails, the normal operation of other central control equipment groups cannot be influenced; the remote monitoring terminal can carry out a series of intelligent operations on the central control equipment groups through the main control machine, data interaction is carried out between the main control machine and each central control equipment group (wireless communication modes such as 4G, 5G and the like or other wired communication modes can be adopted), the main control machine carries out fault judgment on the power supply and the light source in the central control equipment groups through the physical quantity of the central control equipment groups, and when the power supply or the light source breaks down, the main control machine can timely master the fault condition and give an alarm to the remote monitoring terminal; the central control lighting system provided by the scheme does not need a single-lamp controller and a centralized controller, and is completed by configuring corresponding modules on each central control equipment group.
The fault detection module and the dimming module may be installed within the controller.
Further, the controller includes but is not limited to a fault detection module, a dimming module, a remote switching power supply module, a power output voltage and current detection module, a standby power supply control module, and an electric quantity collection module, only a partial module or a module with other functions may be installed in the controller, and each module may be independently or in groups placed in the central control lighting device group.
The remote monitoring terminal comprises a PC terminal and a mobile terminal, and the PC terminal and the mobile terminal realize data synchronous interconnection.
The PC terminal and the mobile terminal may be a user's PC terminal and a mobile terminal or a manufacturer's PC terminal and a mobile terminal.
The further optimization scheme is that a signal collector is connected to the dimming module, the signal collector collects the illumination control signal and sends the illumination control signal to the dimming module, and the dimming module dims the central control light source according to the received signal.
The signal collector can be a photosensitive sensor of an illumination scene, an automobile flow sensor, a sensor capable of collecting human or object activity signals or other signal sensors, the signal collector sends detected signals to the dimming module, and the dimming module converts the signals into dimming voltage of 0-10 v to be supplied to the dimming unit of the central control light source for dimming the central control light source.
The light sensitive sensor may be placed in an outdoor natural light environment where the sensor does not receive illumination from the light source.
The light-sensitive sensor may be disposed within the chamber and receive illumination from the light source.
The illumination of the illumination scene can be adjusted according to the illumination change received by the photosensitive sensor, so that a better energy-saving effect is realized.
The sensor for detecting the automobile flow or the sensor for detecting the activities of people and objects or other signal sensors are arranged in the area needing to be detected, and the illumination of the corresponding lighting scene can be adjusted according to the detected signal change, so that a better energy-saving effect is realized.
The further optimization scheme is that the central control light source comprises a dimming unit and a light source device.
The dimming unit is used for dimming the central control light source according to the dimming voltage of the dimming module.
The light source device functions to emit light.
The further optimization scheme is that the input lines of the dimming units are connected in parallel and then connected with the dimming voltage line of the dimming module, or the input lines of the dimming units are directly connected with the dimming voltage line of the dimming module.
This scheme is to the transformation that has the illumination, and the usable PE line of the input line of the unit of adjusting luminance need not extra wiring. And a communication module is arranged in the central control light source to realize data transmission between the central control light source and the controller.
The central control equipment group further comprises a standby power supply and an electric quantity acquisition module, wherein the electric quantity acquisition module acquires the electric quantity of the working power supply and sends the electric quantity to the main control machine, and the main control machine carries out electric quantity statistics and transmits the electric quantity to the remote monitoring terminal; the standby power supply is automatically replaced when the working power supply fails.
The further optimization scheme is that the detection data comprises: the output voltage of the working power supply and the output current of the working power supply are within the total operation time of the system after each startup
The central control lighting equipment set comprises a non-dimming mode and a dimming mode, and a central control light source in the non-dimming mode works at a constant value; the dimming mode comprises an automatic dimming mode and a manual dimming mode, the automatic dimming mode is connected with the scene signal collector to realize dimming of the central control light source, the manual dimming mode comprises key-type dimming and timing dimming, a key is arranged on the remote monitoring terminal for key-type dimming, and the key is operated to adjust dimming voltage to realize dimming of the central control light source; the timing dimming is realized by setting a timing dimming voltage at the remote monitoring terminal.
The further optimization scheme is that the working power supply fault judgment method comprises the following steps:
calculating an output voltage difference delta V based on the output voltage of the working power supply and the rated output voltage, wherein the output voltage difference delta V is an absolute value of the difference value between the output voltage and the rated output voltage;
comparing the voltage difference delta V with an alarm threshold voltage difference:
when the voltage difference delta V is smaller than the alarm threshold voltage difference, judging that the working power supply has no fault;
and when the voltage difference delta V is larger than or equal to the alarm threshold voltage difference, judging that the working power supply has a fault.
The alarm threshold voltage difference is generally 40V-50V.
The further optimization scheme is that the working power supply fault alarm information at least comprises: fault time, fault central control equipment group number, fault central control equipment group position and working power supply fault number;
the central control light source fault alarm information at least comprises: fault time, fault central control equipment group number, fault central control equipment group position and fault central control light source number.
In the prior art, fault alarm generally only comprises alarm information and rough fault information, data interaction is carried out between a main control computer and each central control equipment group, the main control computer can monitor the working state of a light source and a power supply of each central control equipment group in real time, when the light source and the power supply are in fault, the main control computer can rapidly position a fault point and analyze the fault position, and the fault information and the alarm information are sent to a remote monitoring terminal together, so that a management center can take measures in time.
In the working power supply fault judgment idea, the power supply fault is shown as the deviation of the output voltage from the design value.
According to the central control lighting system, the scheme also provides a fault alarm method of the central control light source, which comprises the following steps:
s1, collecting the output voltage of the working power supply and the output current of the working power supply in the total operation time of the system after the central control lighting system is started each time;
s2, under the dimming mode or the non-dimming mode of the central control light source, carrying out central control light source fault judgment in a time-sharing mode from the startup of each central control lighting system to the total operation time of the system;
and S3, sending out central control light source fault alarm information according to the judgment result of S2.
The further optimization scheme is that the S2 specifically comprises the following steps:
dividing the total operation time of the system after the central control lighting system is started up into three time periods:
0≤t≤t0-x，t0，t0+x≤t≤T0 j
j represents a system startup serial number, j is started for the jth time, and j is 1,2 and 3; t is t0Representing the settling time of the system after each boot; x represents an acquisition time interval; t is0 jRepresenting the total running time of the system after the jth startup;
when the central control light source is in a non-dimming mode, the following substeps are carried out:
a1, judging that t is more than or equal to t and more than or equal to t in a time period of 0 after each startup0Within x, the number of fault-centered light sources is 0;
a2, calculating the time t after each startup in turn according to the formula (1)0Central control light source quality determination coefficient Kj t0Determining the coefficient K according to the quality of the central control light sourcej t0Determining the number of the fault central control light sources, and sending central control light source fault alarm information;
Kj t0＝K0*Mj-1 t0*[(Ij-1 t0Vj-1 t0-Ij t0Vj t0)÷(Ij-1 t0Vj-1 t0)] (1)
wherein j is 2, 3.; k0Taking 1-1.2 as coefficient, optimizing K0＝1.1；
Mj-1 t0Indicating that the power is turned on for the jth time at the time point t0The number of light sources is controlled in the fault-free process,
when j is equal toAt 2, Mj-1 t0＝M1 t0＝M1
When the j is more than or equal to 3,
Figure BDA0003008317480000041
wherein t is t0+x,t0+2x,……,nx,T0 j-2(n＝T0 j-2/x, n are integers)
Nj t0Indicating that after the jth boot, at time t0The number of light sources in the fault center control;
Nt jrepresenting the number of fault central control light sources during a time interval (t-x, t) after the jth startup;
a3, calculating in sequence according to the formula (2) in a time period t after each startup0+x≤t≤T0 jInternal central control light source quality determination coefficient Kj tDetermining the coefficient K according to the quality of the central control light sourcej tDetermining the number of the fault central control light sources, and sending central control light source fault alarm information;
Kj t＝K0*Mj t-x*[(Ij t-xVj t-x-Ij tVj t)÷(Ij t-xVj t-x)] (2)
wherein t is t0+x,t0+2x,……,nx,T0 j-1(n＝T0 j-1/x, n are integers)
When t is equal to t0At the time of + x, the number of the lead wires,
Figure BDA0003008317480000051
when t is≥t0At +2x, Mj t-x＝Mj t-2x-Nj t-x；
When the central control light source is in the dimming mode, only steps a1 and a2 are performed.
In a further optimization scheme, the A2 comprises the following sub-steps:
a21, determining coefficient K according to quality of central control light sourcej t0Determining the number N of failure central control light sourcesj t0；
When-1 is more than Kj t0When the number is less than 1, the number of the light sources N is controlled in the faultj t0Is determined to be 0;
when-2 < Kj t0When the light source number is less than or equal to-1, the number N of the fault central control light sourcesj t0Is determined to be-1;
when-3 is more than Kj t0When the number is less than or equal to-2, the number N of the fault central control light sourcesj t0Is determined to be-2;
……
when 1 is less than or equal to Kj t0When the number is less than 2, the number of the light sources N is controlled in the faultj t0Is determined to be 1;
when 2 is more than or equal to Kj t0When the number is less than 3, the number of the light sources N is controlled in the faultj t0Is determined to be 2;
a22, controlling the number of light sources N according to faultsj t0Sending out central control light source fault alarm information;
when N is presentj t0When the value is 0, no central control light source fault alarm information is sent out;
when N is presentj t0When 1, -2, saidj t0The central control light source for each fault sends out central control light source fault alarm information;
when N is presentj t01,2j t0The central control light source for each fault sends out central control light source fault alarm information;
in the same way, A, the coefficient K is judged according to the quality of the central control light sourcej tAnd determining the number of the fault central control light sources, and sending central control light source fault alarm information.
The working principle of the scheme is as follows: according to the central control light source fault alarm method provided by the central control lighting system, the fault judgment of the central control light source is carried out in different time periods by considering that the working states of the system are inconsistent in different time periods after the system is started (namely, if the central control light source has a fault, the output power of the power supply of the central control equipment group can change in two time intervals), the fault judgment process runs through the whole process from the start to the stop of the central control lighting system, the current central control light source fault judgment of the system is not only dependent on the operation parameters of the system during the start, but also can be carried out according to the parameters of the last start operation, namely when the central control light source fault judgment of the system is carried out every time, the parameters of the previous start operation need to be associated, and the fault judgment accuracy of the central control light source is improved.
Compared with the prior art, the invention has the following advantages and beneficial effects:
1. the invention relates to a central control lighting system and a central control light source failure alarm method.A plurality of independent central control equipment groups ensure that the central control lighting system has enough capacity, meanwhile, each central control equipment group is provided with an independent controller, and intelligent parts (automatic dimming, remote switch and the like) of the system are integrated in each central control equipment group controller.
2. The invention relates to a central control lighting system and a central control light source failure alarm method.A main control computer carries out data interaction with each central control equipment group, can monitor the working state of a light source and a power supply of each central control equipment group in real time, can quickly position a failure point and analyze the failure position when the light source and the power supply fail, and sends failure information and alarm information to a remote monitoring terminal so as to manage the central control to take countermeasures in time.
3. The invention relates to a central control lighting system and a central control light source fault alarm method, which consider that the working states of systems in different time periods are inconsistent after the system is started, so that the fault judgment of a central control light source is carried out in different time periods, the fault judgment process runs through the whole process from the start to the stop of the central control lighting system, and when the central control light source fault judgment is carried out every time the system is started, the parameters of the previous start operation need to be contacted, so that the fault judgment accuracy of the central control light source is improved.
4. The central control lighting system has the remarkable advantages of simple system structure, low failure rate, convenience in maintenance, low equipment cost, low installation cost, low management cost, low maintenance cost and the like.
Drawings
The accompanying drawings, which are included to provide a further understanding of the embodiments of the invention and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the invention and together with the description serve to explain the principles of the invention. In the drawings:
FIG. 1 is a schematic diagram of a control lighting system according to the present invention;
fig. 2 is a schematic view of an application scenario of the central control lighting system.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is further described in detail below with reference to examples and accompanying drawings, and the exemplary embodiments and descriptions thereof are only used for explaining the present invention and are not meant to limit the present invention.
In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention. However, it will be apparent to one of ordinary skill in the art that: it is not necessary to employ these specific details to practice the present invention. In other instances, well-known structures, circuits, materials, or methods have not been described in detail so as not to obscure the present invention.
Throughout the specification, reference to "one embodiment," "an embodiment," "one example," or "an example" means: the particular features, structures, or characteristics described in connection with the embodiment or example are included in at least one embodiment of the invention. Thus, the appearances of the phrases "one embodiment," "an embodiment," "one example" or "an example" in various places throughout this specification are not necessarily all referring to the same embodiment or example. Furthermore, the particular features, structures, or characteristics may be combined in any suitable combination and/or sub-combination in one or more embodiments or examples. Further, those of ordinary skill in the art will appreciate that the illustrations provided herein are for illustrative purposes and are not necessarily drawn to scale. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.
In the description of the present invention, it is to be understood that the terms "front", "rear", "left", "right", "upper", "lower", "vertical", "horizontal", "high", "low", "inner", "outer", etc. indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and therefore, are not to be construed as limiting the scope of the present invention.
Example 1
As shown in fig. 1, the present embodiment provides a central control lighting system, including: a remote monitoring terminal, a main control computer and a plurality of central control equipment groups,
the central control equipment group comprises: the device comprises a controller, a fault detection module, a dimming module and at least 1 working power supply, wherein each working power supply supplies power to a plurality of central control light sources;
the fault detection module detects the working states of the working power supply and the central control light source and reports the detection data to the main control computer;
the main control computer carries out working power supply fault judgment and central control light source fault judgment according to the detection data, and sends working power supply fault alarm information or central control light source fault alarm information to the remote monitoring terminal; the master control computer can rent a server of the internet data center.
The remote monitoring terminal sends a dimming instruction and a power switch instruction to each central control equipment group through the main control machine, and the dimming module performs dimming on each central control light source according to the received dimming instruction; and the controller controls the on-off of each working power supply according to the received power supply switching instruction.
The dimming instruction sent by the remote monitoring terminal can be a key-type dimming signal and a timing dimming signal, wherein the key-type dimming signal is that a key is arranged on the remote monitoring terminal, and the key is operated to adjust dimming voltage to realize dimming of the central control light source; the timing dimming signal is used for setting a timing dimming voltage at the remote monitoring terminal to realize the dimming of the central control light source.
The controller comprises but is not limited to a fault detection module, a dimming module, a remote switch power supply module, a power output voltage and current detection module, a standby power supply control module and an electric quantity acquisition module, only a part of modules or modules with other functions can be installed in the controller, and the modules can be independently or grouped in a central control lighting device group.
The remote monitoring terminal comprises a PC terminal and a mobile terminal, and the PC terminal and the mobile terminal realize data synchronous interconnection.
The PC terminal and the mobile terminal may be a user's PC terminal and a mobile terminal or a manufacturer's PC terminal and a mobile terminal.
And the signal collector is connected to the dimming module, collects the illumination control signal and sends the illumination control signal to the dimming module, and the dimming module dims the central control light source according to the received signal.
The signal collector can be a photosensitive sensor of an illumination scene, an automobile flow sensor, a sensor capable of collecting human or object activity signals or other signal sensors, the signal collector sends detected signals to the dimming module, and the dimming module converts the signals into dimming voltage of 0-10 v to be supplied to the dimming unit of the central control light source for dimming the central control light source.
The light sensitive sensor may be placed in an outdoor natural light environment where the sensor does not receive illumination from the light source.
The light-sensitive sensor may be disposed within the chamber and receive illumination from the light source.
The illumination of the illumination scene can be adjusted according to the illumination change received by the photosensitive sensor, so that a better energy-saving effect is realized.
The sensor for detecting the automobile flow or the sensor for detecting the activities of people and objects or other signal sensors are arranged in the area needing to be detected, and the illumination of the corresponding lighting scene can be adjusted according to the detected signal change, so that a better energy-saving effect is realized.
The central control light source comprises a dimming unit and a light source device.
The dimming unit is used for dimming the central control light source according to the dimming voltage of the dimming module.
The light source device functions to emit light.
The further optimization scheme is that the input lines of the dimming units are connected in parallel and then connected with the dimming voltage line of the dimming module, or the input lines of the dimming units are directly connected with the dimming voltage line of the dimming module.
The central control lighting equipment set comprises a non-dimming mode and a dimming mode, and a central control light source in the non-dimming mode is a constant value when working; the dimming mode comprises an automatic dimming mode and a manual dimming mode, the automatic dimming mode is connected with the scene signal collector to realize dimming of the central control light source, the manual dimming mode comprises key-type dimming and timing dimming, a key is arranged on the remote monitoring terminal for key-type dimming, and the key is operated to adjust dimming voltage to realize dimming of the central control light source; the timing dimming is realized by setting a timing dimming voltage at the remote monitoring terminal.
The central control equipment group also comprises a standby power supply and an electric quantity acquisition module, the electric quantity acquisition module acquires the electric quantity of the working power supply and sends the electric quantity to the main control machine, and the main control machine carries out electric quantity statistics and synchronizes the electric quantity to the remote monitoring terminal; the standby power supply is automatically replaced when the working power supply fails.
The detecting data includes: the output voltage of the working power supply and the output current of the working power supply are within the total operation time of the system after each startup.
The working power supply fault judgment method comprises the following steps:
calculating an output voltage difference delta V based on the output voltage of the working power supply and the rated output voltage, wherein the output voltage difference delta V is an absolute value of the difference value between the output voltage and the rated output voltage;
comparing the voltage difference delta V with an alarm threshold voltage difference:
when the voltage difference delta V is smaller than the alarm threshold voltage difference, judging that the working power supply has no fault;
and when the voltage difference delta V is larger than or equal to the alarm threshold voltage difference, judging that the working power supply has a fault.
The working power failure alarm information at least comprises: fault time, fault central control equipment group number, fault central control equipment group position and working power supply fault number;
the central control light source fault alarm information at least comprises: fault time, fault central control equipment group number, fault central control equipment group position and fault central control light source number.
The remote monitoring terminal in the embodiment comprises a mobile phone end and a PC end, wherein the mobile phone end and the PC end can be used for opening or closing a single working power supply in the central control equipment group or all power supplies in the central control equipment group; the mobile phone end or the PC end is used for remotely dimming the central control light source through the main control machine; the output voltage of the power supply controller can be changed from 0-10V or 10V-0 by operating keys at the mobile phone end or the PC end, and when the voltage stays at a certain fixed value, the voltage corresponds to certain brightness of the light source.
Example 2
In this embodiment, based on the application scenario of the central control lighting system designed in embodiment 1, as shown in fig. 2, the central control lighting system is divided into cells and a middle area for management, a management center governs a plurality of middle areas through a PC terminal or a mobile phone terminal, the middle area governs a plurality of cells through the PC terminal or the mobile phone terminal, and each cell governs a corresponding central control device group through the PC terminal or the mobile phone terminal.
The PC end or the mobile phone end already inputs corresponding data: the model and the number of the central control light sources, the installation address of the central control equipment group, the name of the basic data user unit of the user and the like.
Central control light source quantity Mi(i ═ 1,2,3) refers to a power source (e.g., P)1With M1A lamp or P2With M2A lamp or P3With M3Individual lamps) are required to be accurately filled, otherwise the correctness of the light source in fault determination is affected.
Each central control equipment group is provided with a special two-dimensional code, and a manager can quickly operate a mobile phone end or a PC end by scanning the two-dimensional code.
In this embodiment, regarding the power failure alarm, the alarm content includes: fault time, central control equipment group number, model, quantity and position.
When the voltage difference delta V is less than 50V, no alarm is given.
And when the voltage difference delta V is more than or equal to 50V, a fault alarm is given.
The fault power supply alarm format is as follows:
Figure BDA0003008317480000091
and after the fault power supply is repaired, a reset button is pressed at the mobile phone end or the PC end, and the mobile phone is reset to the initial state.
Example 3
The difference between this embodiment and the previous embodiment is that the power consumption of the power supply, the central control device, the cell and the central area is checked at the mobile phone end or the PC end.
The formula is obtained according to the fact that the electricity consumption of a single power supply is equal to the power of the power supply multiplied by the time:
A1t＝Ka(It2*Vt2)(t2-t1)÷3600000
in the formula A1t represents a power source P1At (t)2-t1) Electric quantity in time period
It2Indicating the power source P1At t2Current of time point (A)
Vt2Indicating the power source P1At t2Voltage of time point (V)
The time interval may be 1s, i.e. T is 1,2,3, … …, T0 j
Then t2-t1＝1
Ka represents the power efficiency coefficient, and is given by the following table:
power supply (W) 260 500 800 1300 2000 3000 5000
Ka 1.087 1.064 1.075 1.075 1.068 1.064 1.075
The Ka value is given by the power supply manufacturer as Ka ═ 1 ÷ (power efficiency)
When the model of the central control equipment is input in the background of the management center, the corresponding numerical value is automatically obtained through the main control machine.
Electric quantity A of single central control equipment group1Computing
Power supply PIElectric quantity A of (1, 2,3)1ICalculated as follows.
Figure BDA0003008317480000101
T1Indicating the power source P1Total time of work(s)
Figure BDA0003008317480000102
T2Indicating the power source P2Total time of work(s)
Figure BDA0003008317480000103
T3Indicating the power source P3Total time of work(s)
Figure BDA0003008317480000104
Cell electric quantity B1Statistics of
Figure BDA0003008317480000105
In the formula Aj(j＝1,2，.......N1) Indicating the electricity consumption of single central control equipment in the community
N1Indicating the number of devices within the cell.
Middle area electric quantity C1Statistics of
Figure BDA0003008317480000106
In the formula Bj(j＝1,2.....N2) Power consumption (degree) of single cell in middle area
N2Indicating the number of cells within the middle zone.
Total electricity consumption D statistics
Figure BDA0003008317480000107
In the formula Cj(j＝1，2....N3) Indicating the power consumption of a single central area governed by a management centre
N3Indicating the number of areas within the headquarters.
The power consumption of the power supply, the central control equipment, the cell and the central area can be checked at the corresponding mobile phone end or the PC end.
Example 3
In this embodiment, a fault alarm of the central control light source is performed on the basis of the above embodiment, and the method includes the steps of:
s1, collecting the output voltage of the working power supply and the output current of the working power supply in the total operation time of the system after the central control lighting system is started each time;
s2, under the dimming mode or the non-dimming mode of the central control light source, carrying out central control light source fault judgment in a time-sharing mode from the startup of each central control lighting system to the total operation time of the system;
and S3, sending out central control light source fault alarm information according to the judgment result of S2.
The specific process is as follows:
under the no light modulation mode:
each time the dimming parameters are changed, the system is reset and all light sources are guaranteed to be good.
When the computer is started for the 1 st time, t is more than or equal to 0 and less than or equal to t0-fault-centered light source determination of x: during this period, it is guaranteed that there is no faulty central control light source, which is confirmed by the installer or the user. Number of light sources N in fault control1 1＝N2 1＝......＝N1 t0-x＝0。
When starting up for the 1 st time, t is equal to t at the time point0The fault central control light source judgment: at this time t ═ t0Ensuring that no fault central control light source exists and confirming by an installation party or a use party; namely N1 to＝0
At the time of 1 st startup, in a time period t0+x≤t≤T0 1The fault central control light source judgment:
at a time period t0+x≤t≤T0 1Collecting every x time, and calculating in a segmented manner:
t0≤t≤t0+x，t0+x≤t≤t0+2x，......，t0+(n-1)x≤t≤t0+nx，t0+nx≤t≤T0 1(n＝T0 1and/x, n is a number obtained by dividing a decimal point and taking an integer).
The time period t for starting up the 1 st time is carried out according to the following formula0≤t≤t0+ x fault-centered light source determination:
K1 t0+x＝K0*M1 t0[(I1 t0V1 t0-I1 t0+xV1 t0+x)÷(I1 t0V1 t0)
assume 0 to t0Light source of central control without fault, then Mt0＝M1When K is1 t0+xWhen the light source is less than 1, the light source is controlled in a non-failure mode, and no alarm is given;
when K is1 t0+xAnd when the light source is more than or equal to 1, the light source is controlled in a fault.
Quality decision coefficient K based on calculation1 t0+xNumber of light sources N controlled in trouble1 t0+xThe following values are taken:
K1 t0+x K1 t0+x＜1 1≤K1 t0+x＜2 2≤K1 t0+x＜3 ...... M1 t0≤K1 t0+x
N1 t0+x 0 1 2 M1 t0
the fault central control light source alarm format is as follows:
Figure BDA0003008317480000121
similarly, the time period t is calculated0+x≤t≤t0+2x fault-centric light source determination
K1t0+2x＝K0*M1t0+x*[I1t0+xV1t0+x-I1t0+2xV1t0+2x]÷(I1t0+xV1t0+x)]
In the formula M1t0+x＝M1t0-N1t0+x
Number of light sources N for fault central control1t0+2xSelected according to the following table:
Figure BDA0003008317480000122
when N is present1 t0+2x＝-1，-2....M1 t0+x-M1When represents a decrease of N1 t0+2xAnd (4) controlling a light source in each fault and alarming.
When N is present1 t0+2xWhen the value is 0, no alarm is given.
When N is present1 t0+2x＝1，2，......Mj t-xWhen indicates an increase of N1 t0+2xAnd (4) controlling a light source in each fault and alarming.
The fault central control light source alarm format is as follows:
Figure BDA0003008317480000123
and continuing to judge the next time period until the 1 st system startup calculation is finished.
Calculation for 2 nd boot
At time interval after 2 nd boot: t is more than or equal to 0 and less than or equal to t0-x fault-centered light source determination;
after the 2 nd startup, the time interval is 0 to t0X there may be a faulty central control light source and a decision should be made, but for computational convenience, N is still assumed1 2＝N2 2＝......＝N2 t0-xA determination should be made when 0.
2 nd starting-up time t0The failure central control light source judgment method is that t is t0Then, the 2 nd boot and the 1 st boot are compared and determined. This is done by taking t as t0The 1 st boot parameter and the 2 nd boot parameter are the closest.
After the corresponding second startup, the calculation formula of the central control light source quality determination coefficient at the time point t0 is:
K2 t0＝K0*M1 t0*(I1 t0V1 t0-I2t0V2 t0)÷(I1 t0V1 t0)
determining the number N of the fault central control light sources according to the central control light source quality judgment coefficient2 t0As in the following table:
Figure BDA0003008317480000131
in the table, t is t0+x,t0+2x,……,nx,T0 1(n＝T0 1/x, n are integers)
The fault central control light source alarm format is as follows:
Figure BDA0003008317480000132
2 nd starting-up time period t0+x≤t≤T0 2Fault central control light source number judgment
At a time period t0+x≤t≤T0 2In the method, the segmentation calculation:
t0≤t≤t0+x，t0+x≤t≤t0+2x，......，(n-1)x≤t≤nx,nx≤t≤T0 2
(n＝T0 2/x, n are integers)
2 nd starting-up time period t0≤t≤t0The formula for + x is:
K2t0+x＝K0*M2 t0*[(I2 t0V2 t0－I2 t0+xV2 t0+x)÷(I2 t0V2 t0)]
in the formula
Figure BDA0003008317480000133
Where t is t0+x，t0+2x，......，nx,T0 1(n＝T0 1/x, n are integers)
Determining the number N of fault central control light sources2 t0+1As in the following table:
Figure BDA0003008317480000134
the fault central control light source alarm format is as follows:
Figure BDA0003008317480000141
and judging the next time period according to the method until the 2 nd system startup calculation is finished and the 2 nd startup is finished, and starting up the system.
In the dimming mode:
t is more than or equal to 0 and less than or equal to t for only carrying out time period of starting the system every time0-x and a point in time t ═ t0The determination of the fault central control light source is only needed.
Continue to calculate 3 rd, 4 th,.. until all faulty central control light sources are repaired, the system resets, and the next cycle is performed again. And after the fault lamp is repaired, pressing a reset button at the mobile phone end or the PC end to restore the initial state.
Example 4
The central control illumination system provided in this embodiment is different from the above embodiments in that the central control illumination system has two operation modes: a dimming mode and a non-dimming mode; the constant value is set for the non-dimming mode, namely the light source works; for the dimming mode, include: a remote dimming mode and an automatic dimming mode; the remote dimming mode is divided into a remote manual dimming mode and a remote timing dimming mode;
(1) remote manual dimming mode
When the mobile phone end or the PC end is operated, the keys of the mobile phone end or the PC end are operated, and the output voltage of the power supply controller can be changed from 0-10V or 10V-0. When the voltage stays at a certain fixed value, a certain brightness of the corresponding light source is obtained.
(2) Remote timed dimming mode
In the time from starting 0 to T1, the power supply controller outputs V1 voltage; in the time from T1 to T2, the power supply controller outputs V2 voltage; in the time from T2 to T3, the power supply controller outputs V3 voltage; from T3 to shutdown T4 (actual shutdown time allowed to be unequal to T4), the power supply controller outputs a V4 voltage; when the voltage is a fixed value, the voltage corresponds to a certain brightness of the light source.
The above-mentioned embodiments are intended to illustrate the objects, technical solutions and advantages of the present invention in further detail, and it should be understood that the above-mentioned embodiments are merely exemplary embodiments of the present invention, and are not intended to limit the scope of the present invention, and any modifications, equivalent substitutions, improvements and the like made within the spirit and principle of the present invention should be included in the scope of the present invention.

Claims (10)

1. A central lighting system, comprising: the system comprises a remote monitoring terminal, a main control computer and a plurality of central control equipment groups, and is characterized in that the central control equipment groups are connected with the remote monitoring terminal;
the central control equipment group comprises: the device comprises a controller, a fault detection module, a dimming module and at least 1 working power supply, wherein each working power supply supplies power to a plurality of central control light sources;
the fault detection module detects the working states of the working power supply and the central control light source and reports the detection data to the main control computer;
the main control computer carries out working power supply fault judgment and central control light source fault judgment according to the detection data, and sends working power supply fault alarm information or central control light source fault alarm information to the remote monitoring terminal;
the remote monitoring terminal sends a dimming instruction and a power switch instruction to each central control equipment group through the main control machine, and the dimming module performs dimming on each central control light source according to the received dimming instruction; and the controller controls the on-off of each working power supply according to the received power supply switching instruction.
2. The central control lighting system according to claim 1, wherein a signal collector is connected to the dimming module, the signal collector collects the lighting control signal and sends the lighting control signal to the dimming module, and the dimming module dims the central control light source according to the received signal.
3. The central lighting system according to claim 2, wherein the central light source comprises a light modulating unit and a light source device, and the input line of each light modulating unit is connected in parallel to the light modulating voltage line of the light modulating module, or the input line of each light modulating unit is directly connected to the light modulating voltage line of the light modulating module.
4. The central control lighting system according to claim 1, wherein the central control equipment group further comprises a standby power supply and an electric quantity acquisition module, the electric quantity acquisition module acquires the electric quantity of the working power supply and sends the electric quantity to the main control computer, and the main control computer performs electric quantity statistics and transmits the electric quantity to the remote monitoring terminal; the standby power supply is automatically replaced when the working power supply fails.
5. The central lighting system according to claim 1, wherein the detection data comprises: and after the system is started up each time, the output voltage of the working power supply and the output current of the working power supply are stopped in the running time of the system.
6. The central control lighting system according to claim 5, wherein the working power failure determination method comprises:
calculating an output voltage difference delta V based on the output voltage of the working power supply and the rated output voltage, wherein the output voltage difference delta V is an absolute value of the difference value between the output voltage and the rated output voltage;
comparing the voltage difference delta V with an alarm threshold voltage difference:
when the voltage difference delta V is smaller than the alarm threshold voltage difference, judging that the working power supply has no fault;
and when the voltage difference delta V is larger than or equal to the alarm threshold voltage difference, judging that the working power supply has a fault.
7. The central lighting system according to claim 1, wherein the operating power failure warning message at least comprises: fault time, fault central control equipment group number, fault central control equipment group position and fault working power supply number;
the central control light source fault alarm information at least comprises: fault time, fault central control equipment group number, fault central control equipment group position and fault central control light source number.
8. A central control light source fault alarm method is applied to any one of central control lighting systems of claims 1-6, and is characterized by comprising the following steps:
s1, collecting the output voltage of the working power supply and the output current of the working power supply from the start of the central control lighting system to the stop of the system operation time each time;
s2, carrying out central control light source fault judgment in a time-sharing mode from the time when the central control lighting system is started to the time when the system stops operating;
and S3, sending out central control light source fault alarm information according to the judgment result of S2.
9. The method according to claim 8, wherein the step S2 specifically comprises the steps of:
dividing the total operation time of the system after the central control lighting system is started up into three time periods:
0≤t≤t0-x，t0，t0+x≤t≤T0 j
j represents a system startup serial number, j is started for the jth time, and j is 1,2 and 3; t is t0Representing the settling time of the system after each boot; x represents an acquisition time interval; t is0 jRepresenting the total running time of the system after the jth startup;
when the central control light source is in a non-dimming mode, the following substeps are carried out:
a1, judging that t is more than or equal to t and more than or equal to t in a time period of 0 after each startup0Within x, the number of fault-centered light sources is 0;
a2, calculating the time t after each startup in turn according to the formula (1)0Central control light source quality determination coefficient Kj t0Determining the coefficient K according to the quality of the central control light sourcej t0Determining the number of the fault central control light sources, and sending central control light source fault alarm information;
Kj t0＝K0*Mj-1 t0*[(Ij-1 t0Vj-1 t0-Ij t0Vj t0)÷(Ij-1 t0Vj-1 t0)] (1)
wherein j is 2, 3.; k0Taking the mixture of 1-1.2,
Mj-1 t0indicating that the power is turned on for the jth time at the time point t0The number of light sources is controlled in the fault-free process,
when j is 2, Mj-1 t0＝M1 t0＝M1
When the j is more than or equal to 3,
Figure FDA0003008317470000021
wherein t is t0+x,t0+2x,……,nx,T0 j-2(n＝T0 j-2/x, n are integers)
Nj t0Indicating that after the jth boot, at time t0The number of fault-centered light sources;
Nt jindicating the number of fault central control light sources during a time interval (t-x, t) after the jth startup;
a3, calculating in sequence according to the formula (2) in a time period t after each startup0+x≤t≤T0 jInternal central control light source quality determination coefficient Kj tDetermining the coefficient K according to the quality of the central control light sourcej tDetermining the number of the fault central control light sources, and sending central control light source fault alarm information;
Kj t＝K0*Mj t-x*[(Ij t-xVj t-x-Ij tVj t)÷(Ij t-xVj t-x)] (2)
wherein t is t0+x,t0+2x,……,nx,T0 j-1(n＝T0 j-1/x, n are integers)
When t is equal to t0At the time of + x, the number of the lead wires,
Figure FDA0003008317470000031
when t is more than or equal to t0At +2x, Mj t-x＝Mj t-2x-Nj t-x；
When the central control light source is in the dimming mode, only steps a1 and a2 are performed.
10. The method for alarming failure of a central control light source as claimed in claim 8, wherein A2 comprises the following sub-steps:
a21, determining coefficient K according to quality of central control light sourcej t0Determining the number N of failure central control light sourcesj t0；
When-1 is more than Kj t0When the number is less than 1, the number of the light sources N is controlled in the faultj t0Is determined to be 0;
when-2 < Kj t0When the light source number is less than or equal to-1, the number N of the fault central control light sourcesj t0Is determined to be-1;
when-3 is more than Kj t0When the number is less than or equal to-2, the number N of the fault central control light sourcesj t0Is determined to be-2;
……
when 1 is less than or equal to Kj t0When the number is less than 2, the number of the light sources N is controlled in the faultj t0Is determined to be 1;
when 2 is more than or equal to Kj t0When the number is less than 3, the number of the light sources N is controlled in the faultj t0Is determined to be 2;
……
a22, controlling the number of light sources N according to faultsj t0Sending out central control light source fault alarm information;
when N is presentj t0When the value is 0, no central control light source fault alarm information is sent out;
when N is presentj t0When 1, -2, saidj t0The central control light source for each fault sends out central control light source fault alarm information;
when N is presentj t01,2j t0The central control light source for each fault sends out central control light source fault alarm information;
in the same way, A, the coefficient K is judged according to the quality of the central control light sourcej tAnd determining the number of the fault central control light sources, and sending central control light source fault alarm information.
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