CN115151006B - Explosion-proof electrical cabinet, explosion-proof lighting system and method - Google Patents
Explosion-proof electrical cabinet, explosion-proof lighting system and method Download PDFInfo
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- CN115151006B CN115151006B CN202211075521.4A CN202211075521A CN115151006B CN 115151006 B CN115151006 B CN 115151006B CN 202211075521 A CN202211075521 A CN 202211075521A CN 115151006 B CN115151006 B CN 115151006B
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- 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
- H05B47/165—Controlling the light source following a pre-assigned programmed sequence; Logic control [LC]
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
- H02B1/00—Frameworks, boards, panels, desks, casings; Details of substations or switching arrangements
- H02B1/24—Circuit arrangements for boards or switchyards
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- 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
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- 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
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- 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
- H05B47/155—Coordinated control of two or more light sources
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- 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
- H05B47/16—Controlling the light source by timing means
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- 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
- H05B47/18—Controlling the light source by remote control via data-bus transmission
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- 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
- H05B47/19—Controlling the light source by remote control via wireless transmission
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- 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
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- 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
- H05B47/24—Circuit arrangements for protecting against overvoltage
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- 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
- H05B47/25—Circuit arrangements for protecting against overcurrent
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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
- 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 utility model provides an explosion-proof electrical apparatus cabinet, explosion-proof lighting system and method, the centralized controller in the explosion-proof electrical apparatus cabinet uses as the gateway, its logic control unit is through the operation parameter of extension parameter acquisition circuit each extension equipment in detecting the explosion-proof electrical apparatus cabinet, after receiving the data from any one in environment data exchange circuit, artifical data exchange circuit, the storage unit three, combine output parameter feedback circuit's output data generation control strategy to be used for power supply control, and the data that involves artifical data exchange circuit and receive is transferred and is covered in the storage unit, even if follow-up under the circumstances that does not have the connection network, still realize the intelligent orderly management to whole explosion-proof lighting system through the data in the storage unit, be fit for explosion-proof occasion, safe and reliable uses, response speed is fast.
Description
Technical Field
The invention relates to an explosion-proof electrical cabinet, an explosion-proof lighting system and an explosion-proof lighting method.
Background
The explosion-proof lighting system adopts the highest explosion-proof level of explosion-proof type, specially designed for petrochemical, chemical and petroleum sites. The explosion-proof electric appliance cabinet is generally included, a plurality of expansion devices are installed in the metal cabinet body according to electric wiring requirements, electric appliances are protected, and the expansion devices are externally connected with a time controller, a change-over switch, a contactor, a mutual inductor, a measuring instrument and the like.
Traditional illumination management mode and management means mainly rely on manual management, and work load is big, and real-time is poor, and the task is loaded down with trivial details, with high costs.
At present, the industrial Internet of things is mainly applied to the civil field, and in a terminal equipment network architecture, a mode of adopting a three-level network architecture of local area network wireless wide area network communication (Zigbee/2.4G+4G and the like) is generally adopted to indirectly communicate with a cloud platform.
Meanwhile, in an explosion-proof occasion, network signals are easy to be interfered by a metal pipe gallery, a bridge, a metal shell of equipment, surrounding electromagnetic environments and the like, or are affected by communication explosion-proof antennas and the like abnormally, the network signals are easy to be in disjunctor with an Internet of things management platform to form an information island, an explosion-proof lamp cannot be controlled, the actual field operation state of the explosion-proof lamp cannot be known, and immeasurable loss is brought.
Disclosure of Invention
The invention aims to provide an explosion-proof electrical cabinet.
In order to solve the technical problems, the invention adopts the following technical scheme: the utility model provides an explosion-proof electrical cabinet, includes centralized controller, a plurality of with the extension equipment that centralized controller is connected, centralized controller includes manual data exchange circuit that can realize personnel control data transmission, is used for gathering the environmental data exchange circuit of surrounding environment, contains the logic control unit of operation program module, centralized controller still includes the extension parameter acquisition circuit that is used for gathering extension equipment running condition, is used for gathering the output parameter feedback circuit of centralized controller output real-time information, manual data exchange circuit environmental data exchange circuit output parameter feedback circuit the extension parameter acquisition circuit respectively with logic control unit is connected, operation program module is issued through manual data exchange circuit for the management platform of user through the high in the clouds and is stored in the logic control unit, centralized controller still includes with the storage unit that logic control unit is connected for the storage comes from the manual setting data that logic control unit received.
In some embodiments, the operation program module includes a control module and a protection module that operate in sequence, the control module includes a longitude and latitude control module, a timing control module and a light sensing control module, the protection module includes an overcurrent protection module, an overvoltage protection module, a leakage protection module, an undervoltage protection module and/or a phase failure protection module, the manual data exchange circuit, the environmental data exchange circuit, the storage unit, the output parameter feedback circuit are connected to the control module, and the extended parameter acquisition circuit is connected to the protection module.
Another technical problem to be solved by the present invention is to provide an explosion-proof lighting system.
In order to solve the technical problems, the invention adopts the following technical scheme: an explosion-proof lighting system comprises an explosion-proof electrical cabinet according to any technical scheme, and further comprises a plurality of explosion-proof lamps connected with the explosion-proof electrical cabinet, wherein each explosion-proof lamp is internally provided with a single lamp controller, each single lamp controller comprises an illumination sensor, an attitude detection sensor and/or a GPS module, and the single lamp controllers are in communication connection with an environment data exchange circuit of the centralized controller.
Another technical problem to be solved by the present invention is to provide an anti-explosion lighting control method.
In order to solve the technical problems, the invention adopts the following technical scheme: an explosion-proof lighting control method comprises the following specific steps:
s1, installing a plurality of explosion-proof lamps and an explosion-proof electrical cabinet connected with the explosion-proof lamps in a planning space;
s2, the operation program module in the logic control unit generates a control strategy according to the manual setting data received by the manual data exchange circuit, the manual storage data stored in the storage unit or the environment acquisition data received by the environment data exchange circuit, the output feedback data acquired by the output parameter feedback circuit and the expansion operation data acquired by the expansion parameter acquisition circuit, and the manual setting data is stored in the storage unit in an overlaying manner,
and S3, the generated new control strategy realizes real-time control of each explosion-proof lamp, and simultaneously, the state change acquisition information, the strategy information and the alarm information are uploaded to a management platform of the cloud in real time.
In some embodiments, in step S2, the manual setting data, the manual storage data, the environment collection data, and the output feedback data are input to the control module of the operation program module in real time, the extended operation data are input to the protection module of the operation program module in real time, and when the protection module operates normally, the logic control unit can generate a control policy of power output; when the protection module runs abnormally, the logic control unit can generate a control strategy of power-off output.
The centralized controller is used as a gateway, the logic control unit monitors all expansion devices in the explosion-proof electrical appliance cabinet through the expansion parameter acquisition circuit in real time, when the loop is normal in operation, any one data from the environment data exchange circuit, the manual data exchange circuit and the storage unit is received, the output data of the output parameter feedback circuit is combined to generate a control strategy for power supply control, the data received by the manual data exchange circuit is transferred and covered into the storage unit, even if the network is not connected in the follow-up process, the intelligent orderly management of the whole explosion-proof lighting system is still realized through the data in the storage unit, when the expansion parameter acquisition circuit detects that the expansion operation data is abnormal, the centralized controller generates a power-off protection control strategy for power-off control management, and the centralized controller is suitable for explosion-proof occasions, safe and reliable in use and high in response speed.
The scope of the present invention is not limited to the specific combination of the above technical features, but also covers other technical features formed by any combination of the above technical features or their equivalents. Such as those described above, and those disclosed in the present application (but not limited to) having similar functions, are replaced with each other.
Due to the application of the technical scheme, compared with the prior art, the invention has the following advantages: under the condition that the network signal is well accepted, the centralized controller can be controlled in real time through the data generation control strategies in the manual data exchange circuit and the environment data exchange circuit, but under the condition that no network is connected, the intelligent orderly management of the whole explosion-proof lighting system can be realized through the effective data received by the manual data exchange circuit last time in the storage unit, and the system is safe and reliable to use and high in response speed.
Drawings
FIG. 1 is a schematic diagram of an explosion-proof electrical cabinet connected with a plurality of explosion-proof lamp lines;
FIG. 2 is a schematic diagram of the equipment connections within the explosion-proof electrical cabinet;
FIG. 3 is a block diagram of a centralized controller circuit;
fig. 4 is a schematic diagram of the operation of the centralized controller.
Detailed Description
A centralized controller can be used as a gateway of an operation system of intelligent electric equipment, such as a lighting system of a certain area, an ammeter system of a certain area and the like.
As shown in fig. 1, an explosion-proof lighting system is taken as an example in this embodiment. The explosion-proof lighting system comprises an explosion-proof electrical cabinet, a plurality of explosion-proof lamp loops connected with the explosion-proof electrical cabinet, wherein the explosion-proof lamps comprise intelligent street lamps, intelligent projection lamps and the like.
As shown in figure 2, the explosion-proof electrical cabinet comprises a centralized controller, an explosion-proof antenna connected with the centralized controller, a standby power supply, a mutual inductor for collecting common voltage, a contactor for controlling output and realizing automatic control, a time controller for realizing time control, a change-over switch for realizing switching between automatic control and time control, and the like, wherein the antenna, the standby power supply, the mutual inductor, the contactor, the time controller, the change-over switch and the like are all common equipment in the control field, are purchased in the market, and are actually operated and applied by a person skilled in the electric control field according to the prior knowledge capacity.
As shown in figure 3, the centralized controller comprises a logic control unit comprising an operation program module, and further comprises a manual data exchange circuit, an environment data exchange circuit, a storage unit, an expansion parameter acquisition circuit, an output parameter feedback circuit, keys and a display panel which are respectively connected with the logic control unit.
The manual data exchange circuit can realize data transmission, and comprises a 4G circuit, a WIFI circuit, a Bluetooth circuit and the like, and an Ethernet communication RJ45 Ethernet circuit, receives manual setting data R1(s) sent by a management platform from a cloud or a mobile terminal, preferably adopts wireless acquisition data, and is more convenient to control. If necessary, the connection can also be ethernet wired.
The environment data exchange circuit can realize data transmission, and the environment acquisition data R2(s) of the field environment data containing illumination data, attitude data and/or GPS data are received by the RS485 circuit in a communication way from the corresponding explosion-proof lamp.
The key and the display panel can also be used for directly inputting data key setting data R3(s) to the centralized controller in site under the environment safety condition.
And the storage unit is used for storing the manual setting data R1(s) or the key setting data R3(s) received by the logic control unit and generating the control strategy, and the stored manual setting data R1'(s) is the manual storage data.
And the output parameter feedback circuit is used for acquiring real-time information of whether the centralized controller outputs the control strategy or not in the embodiment and outputting feedback data H(s), for example, in the embodiment, the 8-loop contactor controls the acquisition of the output 3-phase current detection parameters, namely, the voltage AC 0-300V, the current 0-20A, the split phase and total active power, the split phase and total reactive power, the split phase and total power factors, the split phase and total accumulated electric energy and the like.
The extended parameter acquisition circuit comprises leakage detection of a zero sequence current transformer, electric parameter acquisition of 3-phase 4-wire voltage detection, 8-loop extended switching value input acquisition, 8-loop contactor feedback input acquisition and 2-loop analog value input acquisition, and is used for acquiring various extended devices installed in an explosion-proof electrical appliance cabinet, such as a contactor, a time controller, a change-over switch and related contacts of the transformer, acquiring whether an electric leakage phenomenon exists, a voltage current value, and extended operation data N(s) such as instruction execution results of a change-over switch state, a time controller state, a contact on/off state and the like, so as to obtain information about whether each extended device in the explosion-proof electrical appliance cabinet normally operates.
The logic control unit stores an operation program module, and the operation program module can be issued by a user on a management platform of the cloud through a manual data exchange circuit and stored in the logic control unit. Can be modified and adjusted according to actual needs, and the remote control is safer. In this embodiment, the operation program module includes a control module G1(s) and a protection module G2(s) that operate in sequence.
The control module G1(s) comprises a longitude and latitude control module, a timing control module and a light sense control module, wherein the light sense control module takes precedence over the longitude and latitude control module and the timing control module. The protection module G2(s) comprises an overcurrent protection module, an overvoltage protection module, a leakage protection module, an undervoltage protection module, a phase-failure protection module and the like.
The artificial data exchange circuit, the environment data exchange circuit, the storage unit, the output parameter feedback circuit and the key are connected with the control module G1(s), and the extended parameter acquisition circuit is connected with the protection module G2(s).
The central controller is used as a gateway in the explosion-proof lighting system, and the expansion parameter acquisition circuit of the central controller detects that all expansion operation data N(s) are normal, namely, the expansion equipment and the loop in the explosion-proof electrical appliance cabinet are normal in operation.
When the intelligent control system is started to be used, the logic control unit generates a control strategy C(s) to control the power supply in real time after a manual data exchange circuit or a key is pressed, and manual setting data R1(s) or key setting data R3(s) are stored in the storage unit to form manual storage data R1'(s).
As shown in fig. 4, after the input parameter R(s) and the output feedback data H(s) are input into the control module G1(s) of the logic control unit, the control strategy C(s) is generated by combining the extended operation data N(s) and passing through the protection module G2(s).
The input parameters R(s) include manual setting data R1(s), the environment collection data R2(s), key setting data R3(s) and the manual storage data R1'(s). Under the condition of no network connection, the intelligent orderly management of the whole explosion-proof lighting system can still be realized according to the manual storage data R1'(s). When the extended parameter acquisition circuit detects that the extended operation data N(s) is abnormal, the centralized controller generates a power-off protection control strategy, and the power-off control management is safe and reliable to use and high in response speed.
In detail, the control method of the explosion-proof lighting system comprises the following specific steps:
the method comprises the steps that S1, multiple paths of explosion-proof lamps are installed in a planning space, an explosion-proof electric appliance cabinet connected with the multiple paths of explosion-proof lamps is arranged, each explosion-proof lamp is an intelligent lamp, a single lamp controller is arranged in each lamp and comprises an illumination sensor and a gesture detection sensor, the single lamp controller can be purchased from the market, acquires information such as field environment light and lamp gesture, and sends the information to a centralized controller through communication connection of an explosion-proof antenna and an RS485 circuit, and each path of explosion-proof lamp is connected with the output end of a contactor, the output end of a time controller and the like in the explosion-proof electric appliance cabinet respectively to form a loop;
s2, a control module G1 (S) in an operation program module in the logic control unit is provided with a longitude and latitude control module, a sunrise and sunset time point Ton/Toff is calculated according to longitude and latitude, when a 4G circuit, a WIFI circuit and a Bluetooth circuit receive manual setting data R1 (S) of a longitude and latitude time offset T1/T2, a lamp is generated to be turned on at a Ton advance T1 (for example, 10 minutes) time, a lamp is turned off at a Toff delay T2 (for example, 10 minutes) time and output feedback is combined to generate a longitude and latitude control strategy C (S), and the advance T1 (for 10 minutes) and the delay T2 (for 10 minutes) are stored in a storage unit in a covering mode to serve as manual storage data R1' (S);
and S3, the generated longitude and latitude control strategy realizes real-time control of each explosion-proof lamp, and meanwhile, state change acquisition information, strategy information and alarm information are uploaded to a management platform of the cloud in real time.
The control module G1(s) further has a control optimal light sensation control module with light sensation control priority, and the light sensation control module is internally recorded with a switch light sensitivity threshold. During the daytime, the operation program module in the logic control unit collects data R2(s) according to the received environment, the data light sensitivity is within a threshold range, the output feedback data H(s) is combined, and the operation data N(s) is expanded to generate a temporary power supply control strategy, and the temporary control strategy is disabled when the data light sensitivity exceeds the threshold range.
The centralized controller also comprises an alarm device which is connected with the logic control unit, the alarm device is a buzzer, the buzzer sounds when alarming, and when the extended operation data N(s) comprise abnormal states of a switch lamp state, a phase number, current, voltage, switching value, communication state, analog value and the like, the logic control unit controls the alarm device to send out alarm signals.
Above, under the condition that the network signal is well accepted, the centralized controller can generate control strategies through the data received by the manual data exchange circuit in real time and store the control strategies in the storage unit, but under the condition that no network is connected, the control strategies are generated through the effective data received by the manual data exchange circuit in the storage unit in real time, when the environment data exchange circuit receives the data with insufficient light in the daytime period, the temporary control strategies can be generated for real-time control, and when the explosion-proof electrical cabinet equipment is abnormally used, the control can be automatically powered off, the intelligent management function is realized, the use is safe and reliable, and the response speed is high.
The above embodiments are provided to illustrate the technical concept and features of the present invention and are intended to enable those skilled in the art to understand the content of the present invention and implement the same, and are not intended to limit the scope of the present invention. All equivalent changes or modifications made in accordance with the spirit of the present invention should be construed to be included in the scope of the present invention.
Claims (6)
1. The utility model provides an explosion-proof electrical apparatus cabinet, includes centralized controller, a plurality of with the extension equipment that centralized controller is connected, centralized controller includes the artifical data exchange circuit that can realize personnel control data transmission, is used for gathering surrounding environment's environment data exchange circuit, contains the logic control unit of operation program module, its characterized in that:
the centralized controller also comprises an extension parameter acquisition circuit for acquiring the operation condition of the extension equipment and an output parameter feedback circuit for acquiring the real-time information output by the centralized controller,
the artificial data exchange circuit, the environment data exchange circuit, the output parameter feedback circuit and the extended parameter acquisition circuit are respectively connected with the logic control unit,
the operation program module is issued and stored in the logic control unit by a user through a management platform of the cloud through a manual data exchange circuit,
the centralized controller also comprises a storage unit connected with the logic control unit and used for storing manual setting data received by the logic control unit;
the centralized controller also comprises an expansion parameter acquisition circuit which is respectively connected with the logic control unit;
the expansion parameter acquisition circuit comprises leakage detection of a zero sequence current transformer, electric parameter acquisition of 3-phase 4-wire voltage detection, 8-loop expansion switching value input acquisition, 8-loop contactor feedback input acquisition and 2-path analog quantity input acquisition, and is used for acquiring expansion operation data N(s) of various expansion devices installed in the explosion-proof electrical appliance cabinet, including a contactor, a time controller, a change-over switch and related contacts of the transformer, acquiring instruction execution results such as leakage phenomenon, voltage and current value, change-over switch state, time controller state, the attraction/disconnection state of the contactor and the like, and obtaining information about whether each expansion device in the explosion-proof electrical appliance cabinet normally operates;
the centralized controller is used as a gateway in the explosion-proof lighting system, and the expansion parameter acquisition circuit of the centralized controller detects that all expansion operation data N(s) are normal, namely, the operation of each expansion device and loop in the explosion-proof electrical appliance cabinet is normal;
when the intelligent control system is started to be used, the logic control unit generates a control strategy C(s) to control the power supply in real time after a manual data exchange circuit or a key is pressed, and manual setting data R1(s) or key setting data R3(s) are stored in the storage unit to form manual storage data R1'(s);
after the input parameter R(s) and the output feedback data H(s) are input into a control module G1(s) of the logic control unit, the control strategy C(s) is generated by combining the extended operation data N(s) and passing through a protection module G2(s); the input parameters R(s) comprise manual setting data R1(s), environment acquisition data R2(s), key setting data R3(s) and manual storage data R1'(s);
under the condition of no network connection, the effective data received by the last artificial data exchange circuit in the storage unit is used for generating control strategy real-time control, when the environment data exchange circuit receives the data with insufficient light in the daytime, the environment data exchange circuit can generate temporary control strategy real-time control, and the intelligent orderly management of the whole anti-explosion lighting system can be still realized according to the artificial storage data R1'(s);
when the extended parameter acquisition circuit detects that the extended operation data N(s) is abnormal, the centralized controller generates a power-off protection control strategy and power-off control management.
2. An explosion proof electrical cabinet according to claim 1, wherein: the operation program module comprises a control module and a protection module which are operated in sequence,
the control module comprises a longitude and latitude control module, a timing control module and a light sense control module,
the protection module comprises an overcurrent protection module, an overvoltage protection module, a leakage protection module, an undervoltage protection module and/or a phase-failure protection module,
the artificial data exchange circuit, the environment data exchange circuit, the storage unit and the output parameter feedback circuit are connected with the control module, and the extended parameter acquisition circuit is connected with the protection module.
3. An explosion proof electrical cabinet according to claim 1, wherein: the expansion devices comprise one or more of contactors, external controllers, transfer switches and transformers.
4. An explosion-proof lighting system comprising the explosion-proof electrical cabinet of any one of claims 1-3, characterized in that: the anti-explosion device also comprises a plurality of anti-explosion lamps connected with the anti-explosion electrical cabinet, each anti-explosion lamp is internally provided with a single lamp controller, each single lamp controller comprises an illumination sensor, a gesture detection sensor and/or a GPS module, and the single lamp controllers are in communication connection with an environment data exchange circuit of the centralized controller.
5. An explosion-proof lighting control method for implementing the explosion-proof lighting system as defined in claim 4, characterized by: the method comprises the following specific steps:
s1, installing a plurality of explosion-proof lamps and an explosion-proof electrical cabinet connected with the explosion-proof lamps in a planning space;
s2, the operation program module in the logic control unit generates a control strategy according to the manual setting data received by the manual data exchange circuit, the manual storage data stored in the storage unit or the environment acquisition data received by the environment data exchange circuit, the output feedback data acquired by the output parameter feedback circuit and the expansion operation data acquired by the expansion parameter acquisition circuit, and the manual setting data is stored in the storage unit in an overlaying manner,
and S3, the generated new control strategy realizes real-time control of each explosion-proof lamp, and simultaneously, the state change acquisition information, the strategy information and the alarm information are uploaded to a management platform of the cloud in real time.
6. The explosion-proof lighting control method according to claim 5, wherein: in step S2, the manual setting data, the manual storage data, the environment collection data, the output feedback data are input to the control module of the operation program module in real time,
the extended operating data is input into the protection module of the operating program module in real time,
when the protection module operates normally, the logic control unit can generate a control strategy of power supply output;
when the protection module runs abnormally, the logic control unit can generate a control strategy of power-off output.
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| CN202211075521.4A CN115151006B (en) | 2022-09-05 | 2022-09-05 | Explosion-proof electrical cabinet, explosion-proof lighting system and method |
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| CN113949726A (en) * | 2021-12-20 | 2022-01-18 | 新黎明科技股份有限公司 | Communication reliability improving method for intelligent explosion-proof lamp system and intelligent explosion-proof lamp |
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