CN112701794B - Low-voltage cabinet remote control system and method - Google Patents
Low-voltage cabinet remote control system and method Download PDFInfo
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- CN112701794B CN112701794B CN202110092872.5A CN202110092872A CN112701794B CN 112701794 B CN112701794 B CN 112701794B CN 202110092872 A CN202110092872 A CN 202110092872A CN 112701794 B CN112701794 B CN 112701794B
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J13/00—Circuit arrangements for providing remote indication of network conditions, e.g. an instantaneous record of the open or closed condition of each circuitbreaker in the network; Circuit arrangements for providing remote control of switching means in a power distribution network, e.g. switching in and out of current consumers by using a pulse code signal carried by the network
- H02J13/00006—Circuit arrangements for providing remote indication of network conditions, e.g. an instantaneous record of the open or closed condition of each circuitbreaker in the network; Circuit arrangements for providing remote control of switching means in a power distribution network, e.g. switching in and out of current consumers by using a pulse code signal carried by the network characterised by information or instructions transport means between the monitoring, controlling or managing units and monitored, controlled or operated power network element or electrical equipment
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J13/00—Circuit arrangements for providing remote indication of network conditions, e.g. an instantaneous record of the open or closed condition of each circuitbreaker in the network; Circuit arrangements for providing remote control of switching means in a power distribution network, e.g. switching in and out of current consumers by using a pulse code signal carried by the network
- H02J13/00032—Systems characterised by the controlled or operated power network elements or equipment, the power network elements or equipment not otherwise provided for
- H02J13/00036—Systems characterised by the controlled or operated power network elements or equipment, the power network elements or equipment not otherwise provided for the elements or equipment being or involving switches, relays or circuit breakers
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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
- Y02B70/00—Technologies for an efficient end-user side electric power management and consumption
- Y02B70/30—Systems integrating technologies related to power network operation and communication or information technologies for improving the carbon footprint of the management of residential or tertiary loads, i.e. smart grids as climate change mitigation technology in the buildings sector, including also the last stages of power distribution and the control, monitoring or operating management systems at local level
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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
- Y04—INFORMATION OR COMMUNICATION TECHNOLOGIES HAVING AN IMPACT ON OTHER TECHNOLOGY AREAS
- Y04S—SYSTEMS INTEGRATING TECHNOLOGIES RELATED TO POWER NETWORK OPERATION, COMMUNICATION OR INFORMATION TECHNOLOGIES FOR IMPROVING THE ELECTRICAL POWER GENERATION, TRANSMISSION, DISTRIBUTION, MANAGEMENT OR USAGE, i.e. SMART GRIDS
- Y04S20/00—Management or operation of end-user stationary applications or the last stages of power distribution; Controlling, monitoring or operating thereof
- Y04S20/20—End-user application control systems
- Y04S20/242—Home appliances
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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
- Y04—INFORMATION OR COMMUNICATION TECHNOLOGIES HAVING AN IMPACT ON OTHER TECHNOLOGY AREAS
- Y04S—SYSTEMS INTEGRATING TECHNOLOGIES RELATED TO POWER NETWORK OPERATION, COMMUNICATION OR INFORMATION TECHNOLOGIES FOR IMPROVING THE ELECTRICAL POWER GENERATION, TRANSMISSION, DISTRIBUTION, MANAGEMENT OR USAGE, i.e. SMART GRIDS
- Y04S40/00—Systems for electrical power generation, transmission, distribution or end-user application management characterised by the use of communication or information technologies, or communication or information technology specific aspects supporting them
- Y04S40/12—Systems for electrical power generation, transmission, distribution or end-user application management characterised by the use of communication or information technologies, or communication or information technology specific aspects supporting them characterised by data transport means between the monitoring, controlling or managing units and monitored, controlled or operated electrical equipment
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Selective Calling Equipment (AREA)
Abstract
The application relates to a low-voltage cabinet remote control system and a method, which comprises a low-voltage cabinet body, wherein a plurality of relays are installed on the low-voltage cabinet body, and the system further comprises: the voltage detection device comprises a voltage detector, a control processor, a handheld terminal and a counting module, wherein the handheld terminal is coupled with an operation module, the control processor is coupled with an intelligent lock, the handheld terminal is coupled with a starting module, and the control processor is coupled with a clearing module for detecting the starting and stopping states of the intelligent lock. By arranging the handheld terminal and the control processor, personnel can remotely operate the relay, so that the personnel can conveniently overhaul the electric appliance; by arranging the intelligent lock, a person can conveniently open the cabinet door of the low-voltage cabinet body; through setting up count module, alarm module, can distinguish unusual relay to remind personnel to maintain.
Description
Technical Field
The application relates to the technical field of power distribution cabinets, in particular to a low-voltage cabinet remote control system and method.
Background
A power distribution cabinet is the last stage equipment of a power distribution system. The power distribution cabinet is a general name of a motor control center. The power distribution cabinet is used in the occasions with dispersed loads and less loops.
The low-voltage power distribution cabinet is a power distribution cabinet, the rated current frequency of the low-voltage power distribution cabinet is 50Hz, the rated voltage of the low-voltage power distribution cabinet is 380v, and a plurality of relays are usually installed in the power distribution cabinet to control the on-off of a circuit.
To the correlation technique among the above-mentioned, the inventor thinks that when the switch board is far away from with electrical apparatus (light), when with electrical apparatus after the shutdown suddenly, personnel when maintaining the trouble, personnel need arrive switch board department earlier and find corresponding relay, confirm the condition of relay, break off the relay, get back to electrical apparatus department again and overhaul electrical apparatus, comparatively inconvenient.
Disclosure of Invention
In order to conveniently overhaul electrical appliances, the application provides a low-voltage cabinet remote control system and a low-voltage cabinet remote control method.
The application provides a low-voltage cabinet remote control system adopts following technical scheme:
the utility model provides a low-voltage cabinet remote control system, includes the low-voltage cabinet body, a plurality of relays are installed to the low-voltage cabinet body, still include:
the voltage detectors are arranged corresponding to the relays and used for detecting the on-off of the relays and outputting on-off detection signals in real time;
the control processor is arranged on the low-voltage cabinet body, is coupled with the voltage detector, and is used for controlling the on-off of the relay, receiving a plurality of on-off detection signals, adding a fixed serial number to each on-off detection signal, and forming the on-off detection signal added with the serial number into a state signal and transmitting the state signal;
the handheld terminal is wirelessly connected with the control processor, is provided with a display screen, receives the state signals, extracts the on-off detection signals and the corresponding serial numbers, and displays the on-off state of each relay on the display screen;
the handheld terminal is coupled with an operation module, and the operation module is used for inputting a control signal to the control handheld terminal, so that the control handheld terminal sends the control signal to the control processor to control the on-off of any relay.
Through adopting above-mentioned technical scheme, when personnel need overhaul with electrical apparatus trouble, personnel can look over the break-make of each relay on handheld terminal, can judge whether the disconnection of relay arouses with electrical apparatus operation stop, lead to the operation to stop for the problem of electrical apparatus self when judging, the break-make of personnel's accessible handheld terminal operation control treater control relay this moment, need not personnel and walk low-voltage cabinet department, close the relay, the personnel of being convenient for overhaul with electrical apparatus, it is comparatively convenient.
Optionally, the control processor is coupled with an intelligent lock, the intelligent lock is used for locking a cabinet door of the low-voltage cabinet body, the handheld terminal can send an unlocking signal in real time, the control processor can receive the unlocking signal, and an unlocking threshold is preset in the control processor;
when the strength of the unlocking signal exceeds an unlocking threshold value, the intelligent lock is opened;
and when the unlocking signal is slightly lower than the unlocking threshold value, the intelligent lock is closed.
Through adopting above-mentioned technical scheme, the setting of intelligence lock makes personnel's accessible carry handheld terminal to be close to control processor, makes the intensity of unblock signal exceed the unblock threshold value, and unblock intelligence lock makes things convenient for personnel to open the low-voltage cabinet.
Optionally, the method further includes:
the counting module is coupled with the control processor, is internally preset with standard time, starts timing after the first automatic disconnection of the relay and is used for counting the automatic disconnection times of the same relay within the standard time;
when the relay disconnection times counted by the counting module exceeds 2 times, the control processor sends an alarm signal to the handheld terminal, the handheld terminal is provided with a vibration alarm device, and the handheld terminal starts the vibration alarm device and sends an unlocking signal after receiving the alarm signal.
Through adopting above-mentioned technical scheme, when the relay of low-voltage board body inside goes wrong or the relay can't satisfy the power with electrical apparatus, trigger thermal protection after its inside can produce too much heat, its condition that automatic tripping appears, the tripping operation frequency through counting module statistics relay can tentatively judge this relay probability problem to remind personnel through vibration alarm device, so that personnel in time overhaul the change to the relay that goes wrong.
Optionally, a starting module is coupled to the handheld terminal, and the starting module is configured to control the handheld terminal to stop or start sending an unlocking signal.
Through adopting above-mentioned technical scheme, the setting of start module makes personnel's accessible start module make handheld terminal begin or interrupt and send the unblock signal, makes things convenient for the switching of maintainer control intelligence lock.
Optionally, the control processor is coupled with a clearing module for detecting the unlocking state of the smart lock;
when the clearing module detects that the intelligent lock is in an open state, the clearing module can continuously send a clearing signal to the control processor, and the control processor resets the counting module after receiving the clearing signal so that the intelligent lock enters a non-timing state.
Through adopting above-mentioned technical scheme, when personnel overhaul unusual relay, need open the cabinet door of low-voltage cabinet through handheld terminal, the intelligence lock can be in the open mode, the explanation personnel has begun to overhaul the relay this moment, so need eliminate the police dispatch newspaper, avoid handheld terminal vibration always to cause the influence to personnel, simultaneously because personnel generally can relieve unusually after overhauing, make the relay normally work again, so need count the module and count this relay again, avoid appearing false alarm.
The application also provides a low-voltage cabinet remote control method
A low-voltage cabinet remote control method comprises the following steps:
respectively detecting the on-off of each relay and sending an on-off detection signal;
each on-off detection signal is subjected to additional fixed coding through the control processor, all detection signals subjected to additional fixed coding are combined together to form a state signal, and the state signal is sent to the handheld terminal for display so as to be checked by a person;
and sending a control signal to the control processor to control the on-off of the relay by operating the operation module on the handheld terminal, and acquiring whether the operation is successful or not by a display screen on the handheld terminal.
Through adopting above-mentioned technical scheme, through handheld terminal remote control treater with need to overhaul close with the relay that electrical apparatus is right, need not personnel and walk to the low voltage distribution cabinet body and close the relay, comparatively save time, the personnel of being convenient for overhaul this with electrical apparatus, simultaneously through the display screen, whether the personnel of being convenient for know the relay and successfully closed.
Optionally, after the control processor performs additional fixed coding on each on-off detection signal, combines all detection signals subjected to the additional fixed coding together to form a state signal, and sends the state signal to the handheld terminal for display, so that a person can view the state signal, the method includes the following steps:
determining whether a relay corresponding to the electrical appliance is in a power-off state; if so, the personnel open the cabinet door of the low-voltage cabinet body through the handheld terminal to overhaul the relay; if not, no operation is carried out.
By adopting the technical scheme, if the relay is in the power-off state, the fact that the electrical equipment cannot normally operate due to the fact that the relay is disconnected is indicated, and if the relay is in the power-on state, the fact that the electrical equipment cannot normally operate due to the fact that the electrical equipment breaks down per se is indicated.
Optionally, before the process of repairing the relay, the method includes the following steps:
and the upper-stage relay of the relay is disconnected through the operation module.
By adopting the technical scheme, when the relay is overhauled, the safety of personnel is ensured.
In summary, the present application includes at least one of the following beneficial technical effects:
1. by arranging the handheld terminal and the control processor, personnel can remotely operate the relay, so that the personnel can conveniently overhaul the electric appliance;
2. by arranging the intelligent lock, a person can conveniently open the cabinet door of the low-voltage cabinet body;
3. through setting up count module, alarm module, can distinguish unusual relay to remind personnel to maintain.
Drawings
Fig. 1 is a schematic structural diagram of an embodiment of the present application.
FIG. 2 is a block diagram of modules of an embodiment of the present application.
Description of reference numerals: 1. a low-voltage cabinet body; 2. a relay; 3. a voltage detector; 4. a control processor; 5. a handheld terminal; 51. a display screen; 52. an operation module; 53. a starting module; 54. a vibration alarm device; 6. an intelligent lock; 7. a counting module; 8. and a clearing module.
Detailed Description
The present application is described in further detail below with reference to figures 1-2.
The embodiment of the application discloses low-voltage cabinet remote control system. Referring to fig. 1 and 2, a low-voltage cabinet remote control system includes a low-voltage cabinet body 1, a voltage detector 3, a control processor 4, a handheld terminal 5 and a counting module 7, wherein a plurality of relays 2 are installed inside the low-voltage cabinet body 1.
The voltage detector 3 is arranged inside the low-voltage cabinet body 1 by adopting a voltage probe, is provided with a plurality of corresponding relays 2 and is used for detecting the voltage at the output ends of the relays 2 and outputting on-off detection signals in real time, and the on-off detection signals are voltage signals;
the control processor 4 has a signal transceiving function, is coupled with the voltage detectors 3, and is used for controlling the on-off of the relay 2, receiving on-off detection signals sent by all the voltage detectors 3, converting the on-off detection signals into digital signals, adding a fixed number to each on-off detection signal, combining the on-off detection signals added with the numbers together, and outputting the combined on-off detection signals as state signals;
hand-held terminal 5, adopt the cell-phone, establish wireless connection through installation software and control processor 4, display screen 51 has, display screen 51 adopts the touch-sensitive screen, after hand-held terminal 5 received the status signal, on-off detection signal and the corresponding serial number in the extraction status signal, its inside is divided into a plurality of storage areas according to the serial number, fill storage area with the detection signal and the serial number of extracting, transfer the on-off detection signal in each storage area, in order to show on display screen 51, on also being divided polylith display area according to the serial number of detection signal and showing whole detection signal, personnel's accessible looks over the detection signal value and the serial number of relevant position, know whether the voltage of corresponding relay 2 is normal.
The operation module 52 is coupled to the handheld terminal 5, the operation module 52 is also a touch screen, and a person can click the display area and input a control signal to the handheld terminal 5, so that the handheld terminal 5 is controlled to send the control signal to the control processor 4 to control the on/off of the relay 2 corresponding to the display area.
When personnel need carry out the outage to electrical apparatus and overhaul, personnel through knowing the serial number that this electrical apparatus's relay 2 corresponds in advance, send corresponding control signal through operating module 52 with closing of this relay 2, know through display screen 51 whether this relay 2 is closed by success, alright overhaul this electrical apparatus after closing successfully, need not personnel and walk 1 department of low-voltage cabinet body, close corresponding relay 2.
The counting module 7 is coupled to the control processor 4, a standard time is preset in the counting module 7, the standard time is 12 hours, the control processor 4 does not receive a corresponding control signal, and the voltage value of the input on-off detection signal becomes 0, which indicates that the relay 2 is automatically switched off, a plurality of timing areas are arranged in the counting module 7 corresponding to the relay 2, when the above conditions occur, the timing area in the counting module 7 corresponding to the relay 2 starts to time, after the interval is 5-10 minutes, the relay 2 is automatically reset by the control processor 4, the counting module 7 counts the number of times of automatic switching off of the relay 2 within 12 hours, and when the number of times exceeds 12 hours, the counting module 7 finishes timing the relay 2, and resets the timing area to wait for triggering of next timing.
Wherein, the number of times of a certain relay 2 disconnection in 12 hours when count module 7 statistics exceeds 2 backs, control processor 4 no longer resets this relay 2, control processor 4 is automatic with the last relay 2 disconnection of this relay 2, control processor 4 sends alarm signal to handheld terminal 5, handheld terminal 5 is equipped with vibration alarm device 54, behind handheld terminal 5 received alarm signal, start vibration alarm device 54 and send out unlocking signal, in order to remind personnel this relay 2 to appear unusually needing to go to overhaul.
When the strength of the unlocking signal exceeds the unlocking threshold value, the intelligent lock 6 is opened; when the unlocking signal is slightly lower than the unlocking threshold value, the intelligent lock 6 is closed.
After handheld terminal 5 starts vibration alarm device 54 and sends the unblock signal, personnel are close to the removal of low-voltage cabinet body 1, make handheld terminal 5 be close to low-voltage cabinet body 1, the unblock signal that control processor 4 received increases gradually, when personnel are located the other 1m left and right sides position of low-voltage cabinet body 1, the intensity of unblock signal surpasss the unblock threshold value and makes intelligent lock 6 open, the personnel of being convenient for are opened to the cabinet door of low-voltage cabinet body 1 overhaul relay 2, overhaul the back, reset this relay 2 and this relay 2's last level relay 2.
A starting module 53 is coupled to the handheld terminal 5, the starting module 53 is used for controlling the handheld terminal 5 to stop or start sending an unlocking signal, and the starting module 53 is also triggered by a person clicking a touch screen. The setting of start module 53 is convenient for personnel to control opening and close of intelligent lock 6, and after personnel overhauld relay 2 and finish, personnel's accessible start module 53 made handheld terminal 5 stop sending the unblock signal, and the personnel of being convenient for close the cabinet door, and the personnel of being convenient for are to the periodic maintenance of low-voltage cabinet simultaneously.
The control processor 4 is coupled with a clearing module 8 for detecting the opening and closing states of the intelligent lock 6; when the clearing module 8 detects that the intelligent lock 6 is in the open state, the clearing module sends a clearing signal to the control processor 4, and the control processor 4 resets the counting module 7 after receiving the clearing signal, so that the intelligent lock enters a non-timing state, and an alarm signal is eliminated. When personnel overhauld unusual relay 2, need open the cabinet door of low-voltage cabinet, intelligent lock 6 is in the state of opening, and the explanation personnel has begun to overhaul relay 2 this moment, so need eliminate the police dispatch newspaper, avoid handheld terminal 5 to vibrate always and cause the influence to personnel.
The implementation principle of the low-voltage cabinet remote control system in the embodiment of the application is as follows: through the long-range wireless connection of control processor 4 with handheld terminal 5, make personnel can look over the break-make of each relay 2 on handheld terminal 5 to through the break-make of handheld terminal 5 operation control processor 4 control relay 2, need not personnel and walk to low-voltage cabinet department, close relay 2, the personnel of being convenient for overhaul with electrical apparatus, simultaneously through the statistics of count module 7, in time discover unusual relay 2, inform personnel in time to overhaul, get rid of the hidden danger.
The embodiment of the application also discloses a low-voltage cabinet remote control method, which comprises the following steps:
s1, detecting the voltage of the relay 2 by using the voltage detector 3, and outputting an on-off detection signal in real time, wherein the on-off detection signal is a voltage signal;
s2, each on-off detection signal is additionally and fixedly coded through the control processor 4, all detection signals after being additionally and fixedly coded are combined to form a state signal, and the state signal is sent to the display screen 51 on the handheld terminal 5 to be displayed, so that a person can check the on-off state of each relay 2;
s3: when the electric appliance has a fault, whether the relay 2 corresponding to the electric appliance is disconnected or not is determined by checking the display screen 51;
s31, if relay 2 is not open: the personnel can press the operation module 52 on the operation handheld terminal 5 to send a control signal to the control processor 4 to control the on-off of the relay 2 and know whether the operation is successful or not through the display screen 51 on the handheld terminal 5, so that the personnel can conveniently overhaul and replace the electrical equipment;
s32: if the relay 2 is off: it is known whether the handheld terminal 5 issues an alarm; if so: a person disconnects the upper-stage relay 2 of the relay 2 through the operation module 52 and further determines through the display screen 51 to ensure the safety of the person, and then the person opens the cabinet door of the low-voltage cabinet body 1 through the handheld terminal 5 to overhaul and replace the relay 2; if not, the operation is not carried out, and the control processor 4 is waited to automatically reset the relay 2.
The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.
Claims (5)
1. The utility model provides a low-voltage cabinet remote control system, includes low-voltage cabinet body (1), a plurality of relays (2) are installed to low-voltage cabinet body (1), its characterized in that still includes:
the voltage detectors (3) are arranged corresponding to the relays (2) and are used for detecting the on-off of the relays (2) and outputting on-off detection signals in real time;
the control processor (4) is arranged on the low-voltage cabinet body (1), is coupled with the voltage detector (3), and is used for controlling the on-off of the relay (2), receiving a plurality of on-off detection signals, adding a fixed number to each on-off detection signal, combining the on-off detection signals added with the numbers to form a state signal and sending the state signal;
the handheld terminal (5) is wirelessly connected with the control processor (4), is provided with a display screen (51), receives the state signals, extracts the on-off detection signals and the corresponding numbers, and displays the on-off state of each relay (2) on the display screen (51);
the handheld terminal (5) is coupled with an operation module (52), and the operation module (52) is used for inputting a control signal to the handheld terminal (5) so that the handheld terminal (5) sends the control signal to the control processor (4) to control the on-off of any relay (2);
the intelligent lock (6) is coupled with the control processor (4) and used for locking the cabinet door of the low-voltage cabinet body (1);
the handheld terminal (5) can send an unlocking signal in real time, the control processor (4) can receive the unlocking signal, and an unlocking threshold value is preset in the control processor (4);
when the strength of the unlocking signal exceeds an unlocking threshold value, the intelligent lock (6) is opened;
when the strength of the unlocking signal is lower than the unlocking threshold value, the intelligent lock (6) is closed;
the counting module (7) is coupled with the control processor (4), is preset with standard time inside, starts timing after the relay (2) is automatically disconnected for the first time, and is used for counting the automatic disconnection times of the same relay (2) within the standard time;
wherein, after relay (2) disconnection number of times of statistics of count module (7) exceeded 2 times, control processor (4) send alarm signal to handheld terminal (5), handheld terminal (5) are equipped with vibration alarm device (54), after handheld terminal (5) received alarm signal, start vibration alarm device (54) and send out unlocking signal.
2. The low-voltage cabinet remote control system according to claim 1, wherein: a starting module (53) is coupled to the handheld terminal (5), and the starting module (53) is used for controlling the handheld terminal (5) to stop or start sending an unlocking signal.
3. The remote control system for the low-voltage cabinet as claimed in claim 2, wherein: the control processor (4) is coupled with a clearing module (8) for detecting the opening and closing state of the intelligent lock (6);
when the clearing module (8) detects that the intelligent lock (6) is in an open state, the clearing module can continuously send a clearing signal to the control processor (4), and the control processor (4) resets the counting module (7) after receiving the clearing signal so as to enable the intelligent lock to enter a non-timing state.
4. A method based on the low-voltage cabinet remote control system of any one of claims 1 to 3, comprising the following steps:
respectively detecting the on-off of each relay (2) and sending an on-off detection signal;
each on-off detection signal is subjected to additional fixed coding through the control processor (4), all detection signals subjected to additional fixed coding are combined together to form a state signal, and the state signal is sent to the handheld terminal (5) for display so as to be checked by a person;
the control module (52) on the handheld terminal (5) is operated to send a control signal to the control processor (4) to control the on-off of the relay (2), and whether the operation is successful or not is known through the display screen (51) on the handheld terminal (5).
5. The method of the low-voltage cabinet remote control system according to claim 4, characterized in that after the control processor (4) carries out additional fixed coding on each on-off detection signal and combines all the detection signals after the additional fixed coding together to form a status signal and sends the status signal to the handheld terminal (5) for display for a human to see, the method comprises the following steps:
when the electric appliance is in fault, the display screen (51) is checked to determine whether the relay (2) corresponding to the electric appliance is disconnected;
if the relay (2) is not open: a person presses an operation module (52) on the operation handheld terminal (5) to send a control signal to the control processor (4) to control the on-off of the relay (2), and knows whether the operation is successful or not through a display screen (51) on the handheld terminal (5), so that the person can conveniently overhaul and replace the electric appliance;
if the relay (2) is open: then, whether the handheld terminal (5) gives an alarm or not is known; if so: the upper-stage relay of the relay (2) is disconnected through the operation module (52), further determination is carried out through the display screen (51), then a person opens the cabinet door of the low-voltage cabinet body 1 through the handheld terminal (5), and the relay (2) is overhauled and replaced; if not, the operation is not carried out, and the control processor (4) is waited to automatically reset the relay (2).
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| Application Number | Priority Date | Filing Date | Title |
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| CN202110092872.5A CN112701794B (en) | 2021-01-25 | 2021-01-25 | Low-voltage cabinet remote control system and method |
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| CN202110092872.5A CN112701794B (en) | 2021-01-25 | 2021-01-25 | Low-voltage cabinet remote control system and method |
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| CN112701794B true CN112701794B (en) | 2022-09-16 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| JP3918672B2 (en) * | 2002-07-26 | 2007-05-23 | 松下電工株式会社 | Remote monitoring and control system terminal |
| CN105322659A (en) * | 2015-11-25 | 2016-02-10 | 成都赛诺菲电气有限公司 | Intelligent home terminal |
| CN106410622B (en) * | 2016-06-03 | 2019-06-28 | 沈阳天通电力设备有限公司 | A kind of mobile phone remote intelligent switchboard |
| CN107492955B (en) * | 2017-10-18 | 2020-05-22 | 宁波公牛电器有限公司 | Family safety power distribution system and distribution box |
| CN113597495B (en) * | 2019-03-29 | 2022-10-21 | 夏普株式会社 | Storage device |
| CN211321596U (en) * | 2019-08-23 | 2020-08-21 | 凯里云瀚智慧城市运营管理有限公司 | Wireless communication controller circuit with feedback function |
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