CN112103905B - Unattended power supply leakage protection system - Google Patents
Unattended power supply leakage protection system Download PDFInfo
- Publication number
- CN112103905B CN112103905B CN202010939238.6A CN202010939238A CN112103905B CN 112103905 B CN112103905 B CN 112103905B CN 202010939238 A CN202010939238 A CN 202010939238A CN 112103905 B CN112103905 B CN 112103905B
- Authority
- CN
- China
- Prior art keywords
- leakage
- power supply
- central controller
- circuit
- leakage protector
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
- H02H3/00—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition with or without subsequent reconnection ; integrated protection
- H02H3/02—Details
- H02H3/033—Details with several disconnections in a preferential order, e.g. following priority of the users, load repartition
-
- A—HUMAN NECESSITIES
- A62—LIFE-SAVING; FIRE-FIGHTING
- A62C—FIRE-FIGHTING
- A62C3/00—Fire prevention, containment or extinguishing specially adapted for particular objects or places
- A62C3/16—Fire prevention, containment or extinguishing specially adapted for particular objects or places in electrical installations, e.g. cableways
-
- A—HUMAN NECESSITIES
- A62—LIFE-SAVING; FIRE-FIGHTING
- A62C—FIRE-FIGHTING
- A62C37/00—Control of fire-fighting equipment
- A62C37/36—Control of fire-fighting equipment an actuating signal being generated by a sensor separate from an outlet device
- A62C37/38—Control of fire-fighting equipment an actuating signal being generated by a sensor separate from an outlet device by both sensor and actuator, e.g. valve, being in the danger zone
- A62C37/40—Control of fire-fighting equipment an actuating signal being generated by a sensor separate from an outlet device by both sensor and actuator, e.g. valve, being in the danger zone with electric connection between sensor and actuator
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16M—FRAMES, CASINGS OR BEDS OF ENGINES, MACHINES OR APPARATUS, NOT SPECIFIC TO ENGINES, MACHINES OR APPARATUS PROVIDED FOR ELSEWHERE; STANDS; SUPPORTS
- F16M11/00—Stands or trestles as supports for apparatus or articles placed thereon Stands for scientific apparatus such as gravitational force meters
- F16M11/02—Heads
- F16M11/04—Means for attachment of apparatus; Means allowing adjustment of the apparatus relatively to the stand
- F16M11/043—Allowing translations
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16M—FRAMES, CASINGS OR BEDS OF ENGINES, MACHINES OR APPARATUS, NOT SPECIFIC TO ENGINES, MACHINES OR APPARATUS PROVIDED FOR ELSEWHERE; STANDS; SUPPORTS
- F16M11/00—Stands or trestles as supports for apparatus or articles placed thereon Stands for scientific apparatus such as gravitational force meters
- F16M11/02—Heads
- F16M11/18—Heads with mechanism for moving the apparatus relatively to the stand
-
- 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
- H02B1/26—Casings; Parts thereof or accessories therefor
- H02B1/28—Casings; Parts thereof or accessories therefor dustproof, splashproof, drip-proof, waterproof or flameproof
-
- 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
- H02B1/26—Casings; Parts thereof or accessories therefor
- H02B1/30—Cabinet-type casings; Parts thereof or accessories therefor
- H02B1/306—Accessories, e.g. windows
-
- 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
- H02B1/26—Casings; Parts thereof or accessories therefor
- H02B1/30—Cabinet-type casings; Parts thereof or accessories therefor
- H02B1/32—Mounting of devices therein
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
- H02H1/00—Details of emergency protective circuit arrangements
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
- H02H1/00—Details of emergency protective circuit arrangements
- H02H1/0061—Details of emergency protective circuit arrangements concerning transmission of signals
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
- H02H3/00—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition with or without subsequent reconnection ; integrated protection
- H02H3/02—Details
- H02H3/04—Details with warning or supervision in addition to disconnection, e.g. for indicating that protective apparatus has functioned
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K7/00—Arrangements for handling mechanical energy structurally associated with dynamo-electric machines, e.g. structural association with mechanical driving motors or auxiliary dynamo-electric machines
- H02K7/08—Structural association with bearings
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N23/00—Cameras or camera modules comprising electronic image sensors; Control thereof
- H04N23/50—Constructional details
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Emergency Management (AREA)
- Public Health (AREA)
- Business, Economics & Management (AREA)
- Health & Medical Sciences (AREA)
- Mechanical Engineering (AREA)
- Signal Processing (AREA)
- Multimedia (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Emergency Protection Circuit Devices (AREA)
- Studio Devices (AREA)
Abstract
An unattended power supply leakage protection system comprises a power supply, a leakage protector, electric equipment, a central controller and a processor; the leakage protector is provided with a plurality of leakage protectors, at most one leakage protector in the plurality of leakage protectors is in a circuit connection state, the action threshold values of the plurality of leakage protectors are gradually increased, and the circuit breaking sequence of the plurality of leakage protectors sequentially acts along the sequence of the action threshold values which are gradually increased; the power supply, the single leakage protector and the electric equipment are electrically connected in sequence; the power supply is electrically connected with the central controller; the leakage protector is in communication connection with the processor; the processor is in communication connection with the central controller, and the central controller is respectively in control connection with the plurality of leakage protectors. The invention can sequentially start the leakage protectors according to the sequence that the action threshold value is gradually increased, and ensure the normal use of the electric equipment on the premise of ensuring the electric safety.
Description
Technical Field
The invention relates to the technical field of leakage protection, in particular to an unattended power supply leakage protection system.
Background
The leakage protector, called leakage switch for short, is mainly used for protecting the electric shock of human body with fatal danger when the equipment has leakage fault, has overload and short circuit protection function, can be used for protecting the overload and short circuit of the circuit or the motor, and can also be used for the infrequent switching start of the circuit under normal condition.
Under the prior art, when a earth-leakage protector communicates in the circuit, only can set up an action threshold value, when the electric leakage condition leads to reaching this action threshold value, earth-leakage protector cutting off circuit, but if the action threshold value is low excessively, can lead to the circuit condition of breaking a circuit frequent, influence the use of consumer, probably lead to the losing of data among some consumers, if the action threshold value is higher, can lead to the circuit still not the situation of breaking a circuit under the dangerous condition, the safety risk is high.
Disclosure of Invention
Object of the invention
In order to solve the technical problems in the background art, the invention provides an unattended power supply leakage protection system which can sequentially start a plurality of leakage protectors according to the sequence that the action threshold value is gradually increased, and ensure the normal use of electric equipment on the premise of ensuring the safety of power utilization.
(II) technical scheme
The invention provides an unattended power supply leakage protection system, which comprises a power supply, a leakage protector, electric equipment, a central controller and a processor, wherein the central controller is connected with the processor;
the leakage protector is provided with a plurality of leakage protectors, at most one leakage protector in the plurality of leakage protectors is in a circuit connection state, the action threshold values of the plurality of leakage protectors are gradually increased, and the circuit breaking sequence of the plurality of leakage protectors sequentially acts along the sequence of the action threshold values which are gradually increased; the power supply, the single leakage protector and the electric equipment are electrically connected in sequence; the power supply is electrically connected with the central controller; the leakage protector is in communication connection with the processor; the processor is in communication connection with the central controller, and the central controller is respectively in control connection with the plurality of leakage protectors.
Preferably, the central controller is in communication connection with a data transmission device, and the data transmission device is in communication connection with a remote terminal.
Preferably, the central controller is connected with an alarm device.
Preferably, the central controller is connected with a monitoring device in a control mode.
Preferably, the power supply, the leakage protector and the electric equipment are arranged in the cabinet body; monitoring device includes the camera and is used for driving the actuating mechanism that the camera removed in vertical plane, and the camera is towards the transparent window, and actuating mechanism sets up on cabinet body surface.
Preferably, the camera comprises a common camera and an infrared camera.
Preferably, the electric leakage protector is characterized by further comprising a circuit fire extinguisher, a delivery pipe, a spray nozzle and a control valve for controlling the on-off of the spray nozzle, wherein the delivery pipe is provided with an input end and a plurality of output ends, the spray nozzle and the control valve are correspondingly provided in plurality, the spray nozzle is positioned in the cabinet body, the spray nozzles correspondingly face circuits where the leakage protectors are positioned, the circuit fire extinguisher is communicated with the input end of the delivery pipe, and the output ends of the delivery pipe are correspondingly communicated with the spray nozzles in sequence; the central controller is respectively connected with the control valves in a control mode.
Preferably, the driving mechanism comprises a first slide rail, a first motor, a first screw rod, a first bracket, a first slide block, a first moving table, an installation table, a second motor, a second screw rod, a second bracket, a second slide rail, a second slide block, a second moving table and an installation plate; the first sliding rail is vertically arranged on the cabinet body, the first motor and the first support are arranged on the cabinet body side by side from top to bottom, the first motor is in driving connection with a first lead screw, the first lead screw is vertically arranged, the first lead screw is rotatably arranged on the first support, the first lead screw is in threaded connection with a first moving table, the first moving table is connected with a first sliding block, and the first sliding block is arranged on the first sliding rail in a sliding manner; the mounting table is connected with the first movable table, the second sliding rail is transversely arranged on the mounting table, the second motor is connected with the second lead screw in a driving mode, the second lead screw is transversely arranged and is in threaded connection with the second movable table, the second lead screw is rotatably arranged on the second support, the second movable table is connected with the second sliding block, the second sliding block is slidably arranged on the second sliding rail, the mounting plate is connected with the second movable table, the camera is arranged on the mounting plate, and the second support is arranged at the end of the second sliding rail.
Preferably, the top end and the bottom end of the first sliding rail are both provided with a plugging head; a first folding sleeve is connected between the first motor and the first moving table, a second folding sleeve is connected between the first moving table and the first support, a third folding sleeve is connected between the second motor and the second moving table, and a fourth folding sleeve is connected between the second moving table and the second support; the first screw rod is positioned at the inner sides of the first folding sleeve and the second folding sleeve, and the second screw rod is positioned at the inner sides of the third folding sleeve and the fourth folding sleeve.
Preferably, the operation steps of the system are as follows:
s1, a power supply is electrically connected with a leakage protector with the lowest action threshold value through a lead, and the leakage protector is electrically connected with electric equipment through the lead;
s2, when the leakage protector detects that the circuit leaks electricity, the leakage protector sends a signal to a processor, the processor analyzes the signal, the processor transmits the analyzed signal to a central controller, and the central controller controls the leakage protector to cut off the circuit and simultaneously controls a first leakage protector with a higher action threshold value than the leakage protector to be connected with the circuit;
and S3, performing S2 for multiple times until the electric leakage degree reaches the degree that the electric leakage protector with the highest action threshold value can cut off the circuit, and at the moment, all the electric leakage protectors are in an open circuit state.
Compared with the prior art, the technical scheme of the invention has the following beneficial technical effects:
the leakage protector can sequentially start a plurality of leakage protectors according to the sequence that the action threshold value is gradually increased, the normal use of electric equipment is guaranteed on the premise of guaranteeing the electric safety, the frequent circuit breaking of a circuit is avoided, when the leakage protector is started, a monitoring person can monitor the starting condition of the corresponding leakage protector through the remote terminal, and the field maintenance of a maintenance person is arranged in time; for the electric equipment in the use process, the data of the electric equipment cannot be lost, and the safety is high.
Drawings
Fig. 1 is a schematic structural diagram of an unattended power supply leakage protection system according to the present invention.
Fig. 2 is a schematic view of an installation structure of a monitoring device in an unattended power supply leakage protection system according to the present invention.
Fig. 3 is a schematic structural diagram of a monitoring device in an unattended power supply leakage protection system according to the present invention.
Fig. 4 is an enlarged view of a structure at a in fig. 3.
Reference numerals are as follows: 1. a power source; 2. a leakage protector; 3. an electricity-consuming device; 4. a central controller; 5. a processor; 6. a data transmission device; 7. a remote terminal; 8. a monitoring device; 9. an alarm device; 10. a circuit fire extinguisher; 11. a control valve; 12. a cabinet body; 13. a cabinet door; 14. a transparent window; 15. a first slide rail; 16. a first motor; 17. a first lead screw; 18. a first bracket; 19. a first slider; 20. a first mobile station; 21. an installation table; 22. plugging the head; 23. a second motor; 24. a second lead screw; 25. a second bracket; 26. a second slide rail; 27. a second slider; 28. a second mobile station; 29. mounting a plate; 30. a camera; 311. a first folding sleeve; 312. a second folding sleeve; 321. a third folding sleeve; 322. and a fourth folding sleeve.
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 with reference to the accompanying drawings in combination with the embodiments. It is to be understood that these descriptions are only illustrative and are not intended to limit the scope of the present invention. Moreover, in the following description, descriptions of well-known structures and techniques are omitted so as to not unnecessarily obscure the concepts of the present invention.
As shown in fig. 1-4, the unattended power supply leakage protection system provided by the present invention includes a power supply 1, a leakage protector 2, an electric device 3, a central controller 4 and a processor 5;
the leakage protectors 2 are provided in a plurality, at most one leakage protector 2 in the plurality of leakage protectors 2 is in a circuit connection state, the operation thresholds of the plurality of leakage protectors 2 are gradually increased, and the disconnection sequence of the plurality of leakage protectors 2 sequentially operates along the sequence of gradually increasing the operation thresholds; the power supply 1, the single leakage protector 2 and the electric equipment 3 are electrically connected in sequence; the power supply 1 is electrically connected with the central controller 4; the leakage protector 2 is in communication connection with the processor 5; the processor 5 is in communication connection with the central controller 4, and the central controller 4 is respectively in control connection with the plurality of leakage protectors 2.
In an alternative embodiment, the central controller 4 is communicatively connected with a data transmission device 6, the data transmission device 6 is communicatively connected with a remote terminal 7, and the on-off condition of the circuit can be transmitted to the remote terminal 7 through the data transmission device 6, so that a monitoring person can conveniently monitor the circuit.
In an alternative embodiment, the central controller 4 is connected with an alarm device 9 in a control manner, and when the earth leakage protector 2 acts, the alarm device 9 gives an audible and visual alarm.
In an alternative embodiment, the central controller 4 is in control connection with a monitoring device 8.
In an optional embodiment, the power supply device comprises a cabinet body 12, a cabinet door 13 and a transparent window 14, wherein the cabinet door 13 is rotatably connected with the cabinet body 12, the transparent window 14 is arranged on the cabinet door 13, and the power supply 1, the leakage protector 2 and the electric equipment 3 are all arranged inside the cabinet body 12; the monitoring device 8 comprises a camera 30 and a driving mechanism for driving the camera 30 to move in a vertical plane, the camera 30 faces the transparent window 14, and the driving mechanism is arranged on the outer surface of the cabinet body 12.
It should be noted that the driving mechanism can drive the camera 30 to move in the vertical plane, so that the camera 30 can collect the circuit conditions of all places in the cabinet body 12 through the transparent window 14.
In an alternative embodiment, the camera 30 includes a normal camera and an infrared camera, and can capture normal images and infrared images.
In an optional embodiment, the electric fire extinguisher further comprises a circuit fire extinguisher 10, a delivery pipe, a spray head and a control valve 11 for controlling the on-off of the spray head, wherein the delivery pipe is provided with an input end and a plurality of output ends, the spray head and the control valve 11 are correspondingly provided with a plurality of spray heads, the spray heads are positioned in the cabinet body 12, the plurality of spray heads correspondingly face a circuit where the plurality of leakage protectors 2 are positioned, the circuit fire extinguisher 10 is communicated with the input end of the delivery pipe, and the plurality of output ends of the delivery pipe are correspondingly communicated with the plurality of spray heads in sequence; the central controller 4 is in control connection with a plurality of control valves 11.
It should be noted that when smoke and fire appear in the circuit, the infrared camera can detect the smoke and fire, the central controller 4 receives the signal and controls the corresponding control valve 11 to start, so as to extinguish the fire of the circuit with smoke and fire, and thus the safety of the circuit is guaranteed.
In an alternative embodiment, the driving mechanism includes a first slide rail 15, a first motor 16, a first lead screw 17, a first bracket 18, a first slider 19, a first moving stage 20, a mounting stage 21, a second motor 23, a second lead screw 24, a second bracket 25, a second slide rail 26, a second slider 27, a second moving stage 28, and a mounting plate 29; the first sliding rail 15 is vertically arranged on the cabinet body 12, the first motor 16 and the first bracket 18 are arranged on the cabinet body 12 side by side from top to bottom, the first motor 16 is in driving connection with the first screw rod 17, the first screw rod 17 is vertically arranged, the first screw rod 17 is rotatably arranged on the first bracket 18, the first screw rod 17 is in threaded connection with the first moving platform 20, the first moving platform 20 is connected with the first sliding block 19, and the first sliding block 19 is slidably arranged on the first sliding rail 15; the mounting table 21 is connected with the first moving table 20, the second slide rail 26 is transversely arranged on the mounting table 21, the second motor 23 is in driving connection with the second lead screw 24, the second lead screw 24 is transversely arranged, the second lead screw 24 is in threaded connection with the second moving table 28, the second lead screw 24 is rotatably arranged on the second support 25, the second moving table 28 is connected with the second slider 27, the second slider 27 is slidably arranged on the second slide rail 26, the mounting plate 29 is connected with the second moving table 28, the camera 30 is arranged on the mounting plate 29, and the second support 25 is arranged at the end of the second slide rail 26.
It should be noted that the central controller 4 can control the first motor 16 and the second motor 23 to implement the movement of the camera 30 in the vertical plane, and the camera 30 can effectively monitor the circuit condition in the cabinet 12.
In an alternative embodiment, the first slide rail 15 is provided with a plugging head 22 at both the top end and the bottom end; a first folding sleeve 311 is connected between the first motor 16 and the first moving table 20, a second folding sleeve 312 is connected between the first moving table 20 and the first support 18, a third folding sleeve 321 is connected between the second motor 23 and the second moving table 28, and a fourth folding sleeve 322 is connected between the second moving table 28 and the second support 25; the first lead screw 17 is located inside the first and second folding sleeves 311 and 312, and the second lead screw 24 is located inside the third and fourth folding sleeves 321 and 322.
In an alternative embodiment, the system operates as follows:
s1, a power supply 1 is electrically connected with a leakage protector 2 with the lowest action threshold value through a lead, and the leakage protector 2 is electrically connected with electric equipment through the lead;
s2, when the leakage protector 2 detects that the circuit leaks electricity, the leakage protector 2 sends a signal to the processor 5, the processor 5 analyzes the signal, the processor 5 transmits the analyzed signal to the central controller 4, the central controller 4 controls the leakage protector 2 to cut off the circuit and simultaneously controls the first leakage protector 2 with an action threshold value higher than that of the leakage protector 2 to be connected with the circuit;
and S3, performing S2 for multiple times until the electric leakage degree reaches the degree that the electric leakage protector 2 with the highest action threshold value can cut off the circuit, and at the moment, all the electric leakage protectors 2 are in an open circuit state.
According to the invention, the plurality of leakage protectors 2 can be sequentially started according to the sequence of gradually increasing action thresholds, so that the normal use of electric equipment is ensured on the premise of ensuring the electric safety, the frequent circuit breaking of a circuit is avoided, when the leakage protectors 2 are started, monitoring personnel can monitor the starting conditions of the corresponding leakage protectors 2 through a remote terminal, and the field maintenance of the maintenance personnel is timely arranged; for the electric equipment in the use process, the data of the electric equipment cannot be lost, and the safety is high.
It is to be understood that the above-described embodiments of the present invention are merely illustrative of or explaining the principles of the invention and are not to be construed as limiting the invention. Therefore, any modification, equivalent replacement, improvement and the like made without departing from the spirit and scope of the present invention should be included in the protection scope of the present invention. Further, it is intended that the appended claims cover all such variations and modifications as fall within the scope and boundaries of the appended claims or the equivalents of such scope and boundaries.
Claims (7)
1. An unattended power supply leakage protection system is characterized by comprising a power supply (1), a leakage protector (2), electric equipment (3), a central controller (4) and a processor (5);
the leakage protector (2) is provided with a plurality of leakage protectors, at most one leakage protector (2) in the plurality of leakage protectors (2) is in a circuit connection state, the action threshold values of the plurality of leakage protectors (2) are gradually increased, and the circuit breaking sequence of the plurality of leakage protectors (2) sequentially acts along the sequence of the action threshold values which are gradually increased; the power supply (1), the single leakage protector (2) and the electric equipment (3) are electrically connected in sequence; the power supply (1) is electrically connected with the central controller (4); the leakage protector (2) is in communication connection with the processor (5); the processor (5) is in communication connection with the central controller (4), and the central controller (4) is respectively in control connection with the leakage protectors (2);
the central controller (4) is connected with a monitoring device (8) in a control way;
the intelligent cabinet comprises a cabinet body (12), a cabinet door (13) and a transparent window (14), wherein the cabinet door (13) is rotatably connected with the cabinet body (12), the transparent window (14) is arranged on the cabinet door (13), and a power supply (1), a leakage protector (2) and electric equipment (3) are all arranged inside the cabinet body (12); the monitoring device (8) comprises a camera (30) and a driving mechanism for driving the camera (30) to move in a vertical plane, the camera (30) faces the transparent window (14), and the driving mechanism is arranged on the outer surface of the cabinet body (12);
the driving mechanism comprises a first slide rail (15), a first motor (16), a first screw rod (17), a first support (18), a first sliding block (19), a first moving platform (20), an installation platform (21), a second motor (23), a second screw rod (24), a second support (25), a second slide rail (26), a second sliding block (27), a second moving platform (28) and an installation plate (29); the first sliding rail (15) is vertically arranged on the cabinet body (12), the first motor (16) and the first support (18) are arranged on the cabinet body (12) side by side from top to bottom, the first motor (16) is in driving connection with the first screw rod (17), the first screw rod (17) is vertically arranged, the first screw rod (17) is rotatably arranged on the first support (18), the first screw rod (17) is in threaded connection with the first moving table (20), the first moving table (20) is connected with the first sliding block (19), and the first sliding block (19) is slidably arranged on the first sliding rail (15); the mounting table (21) is connected with the first moving table (20), the second sliding rail (26) is transversely arranged on the mounting table (21), the second motor (23) is in driving connection with the second screw rod (24), the second screw rod (24) is transversely arranged, the second screw rod (24) is in threaded connection with the second moving table (28), the second screw rod (24) is rotatably arranged on the second support (25), the second moving table (28) is connected with the second sliding block (27), the second sliding block (27) is slidably arranged on the second sliding rail (26), the mounting plate (29) is connected with the second moving table (28), the camera (30) is arranged on the mounting plate (29), and the second support (25) is arranged at the end of the second sliding rail (26).
2. An unattended power supply leakage protection system according to claim 1, wherein the central controller (4) is communicatively connected with a data transmission device (6), and the data transmission device (6) is communicatively connected with a remote terminal (7).
3. An unattended power supply leakage protection system according to claim 2, characterised in that the central controller (4) is in control connection with an alarm device (9).
4. An unattended power supply leakage protection system according to claim 1, wherein the camera (30) comprises a normal camera and an infrared camera.
5. The unattended power supply leakage protection system according to claim 4, further comprising a circuit fire extinguisher (10), a delivery pipe, a spray nozzle and a control valve (11) for controlling the on-off of the spray nozzle, wherein the delivery pipe is provided with an input end and a plurality of output ends, the spray nozzle and the control valve (11) are correspondingly provided with a plurality of spray nozzles, the spray nozzles are located inside the cabinet body (12), the plurality of spray nozzles correspondingly face a circuit where the plurality of leakage protectors (2) are located, the circuit fire extinguisher (10) is communicated with the input end of the delivery pipe, and the plurality of output ends of the delivery pipe are correspondingly communicated with the plurality of spray nozzles in sequence; the central controller (4) is respectively connected with the plurality of control valves (11) in a control way.
6. An unattended power supply leakage protection system according to claim 1, wherein the first sliding rail (15) is provided with a plugging head (22) at each of the top and bottom ends; a first folding sleeve (311) is connected between the first motor (16) and the first moving platform (20), a second folding sleeve (312) is connected between the first moving platform (20) and the first support (18), a third folding sleeve (321) is connected between the second motor (23) and the second moving platform (28), and a fourth folding sleeve (322) is connected between the second moving platform (28) and the second support (25); the first screw rod (17) is positioned inside the first folding sleeve (311) and the second folding sleeve (312), and the second screw rod (24) is positioned inside the third folding sleeve (321) and the fourth folding sleeve (322).
7. An unattended power supply leakage protection system according to claim 1, wherein the system is operated by the steps of:
s1, a power supply (1) is electrically connected with a leakage protector (2) with the lowest action threshold value through a lead, and the leakage protector (2) is electrically connected with electric equipment through the lead;
s2, when the leakage protector (2) detects that the circuit leaks electricity, the leakage protector (2) sends a signal to a processor (5), the processor (5) analyzes the signal, the processor (5) transmits the analyzed signal to a central controller (4), and the central controller (4) controls the leakage protector (2) to cut off the circuit and simultaneously controls a first leakage protector (2) with a higher action threshold value than that of the leakage protector (2) to be communicated with the circuit;
and S3, performing S2 for multiple times until the electric leakage degree reaches the degree that the electric leakage protector (2) with the highest action threshold value can cut off the circuit, and at the moment, all the electric leakage protectors (2) are in an open circuit state.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010939238.6A CN112103905B (en) | 2020-09-09 | 2020-09-09 | Unattended power supply leakage protection system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010939238.6A CN112103905B (en) | 2020-09-09 | 2020-09-09 | Unattended power supply leakage protection system |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN112103905A CN112103905A (en) | 2020-12-18 |
| CN112103905B true CN112103905B (en) | 2022-10-28 |
Family
ID=73751096
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010939238.6A Active CN112103905B (en) | 2020-09-09 | 2020-09-09 | Unattended power supply leakage protection system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112103905B (en) |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN208284990U (en) * | 2018-02-11 | 2018-12-25 | 佛山市佳华电气科技有限公司 | A kind of leakage switch grading protection system |
| CN109888631A (en) * | 2019-04-11 | 2019-06-14 | 许昌学院 | A kind of safety-type low-voltage cabinet of easy access |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101051741A (en) * | 2006-04-05 | 2007-10-10 | 丁文军 | Surplus current protection comprehensive managing system based on mobile communication net |
| US8605394B2 (en) * | 2009-07-09 | 2013-12-10 | Musco Corporation | Apparatus, method, and system for monitoring leakage current and detecting fault conditions in electrical systems |
| US9408294B2 (en) * | 2014-03-14 | 2016-08-02 | Haier Us Appliance Solutions, Inc. | Printed circuit board assemblies providing fault detection |
| CN207339420U (en) * | 2017-10-20 | 2018-05-08 | 青岛华通电力工程有限公司 | A kind of background monitoring intelligent power distribution cabinet |
| CN109873410A (en) * | 2017-12-01 | 2019-06-11 | 张文忠 | A kind of diving pump protector |
| CN208284804U (en) * | 2018-04-25 | 2018-12-25 | 国网宁夏电力有限公司中卫供电公司 | A kind of fixed cabinet of electricity consumption instrument convenient for meter reading |
-
2020
- 2020-09-09 CN CN202010939238.6A patent/CN112103905B/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN208284990U (en) * | 2018-02-11 | 2018-12-25 | 佛山市佳华电气科技有限公司 | A kind of leakage switch grading protection system |
| CN109888631A (en) * | 2019-04-11 | 2019-06-14 | 许昌学院 | A kind of safety-type low-voltage cabinet of easy access |
Also Published As
| Publication number | Publication date |
|---|---|
| CN112103905A (en) | 2020-12-18 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103901357B (en) | A kind of fire fighting equipment power supply monitoring system | |
| CN204349579U (en) | A kind of distribution line automatic switching system | |
| JP2015186286A (en) | Output control apparatus | |
| CN104917289A (en) | Automatic switching method for emergency power supply and two-way working power supplies of diesel generator | |
| CN103378577A (en) | Power supply control device of household appliance and air conditioner | |
| CN112103905B (en) | Unattended power supply leakage protection system | |
| CN209494747U (en) | System for air-introduced machine movable vane | |
| CN211097175U (en) | Fire automatic alarm linkage control system of main transformer of hydropower station | |
| CN103682999A (en) | Switch cabinet opening locking state distinguishing system | |
| KR20190121677A (en) | Device, system and method for controlling power on/off of solar module | |
| CN211046001U (en) | Condensation control circuit is prevented to high-voltage board | |
| CN106139457A (en) | A kind of transformator foam spray extinguishing device | |
| CN101043131B (en) | AI electric power terminal protectors | |
| CN206865149U (en) | A kind of family expenses are remotely controlled compound comprehensive protection device | |
| CN209028164U (en) | The anti-error system of cable voltage test | |
| CN202502939U (en) | Remote controlled intelligent high voltage vacuum circuit breaker | |
| CN112290437A (en) | Box-type substation fire detection alarm system | |
| CN201726120U (en) | DC voltage reduction open circuit protector | |
| CN216529988U (en) | Protection type intelligent switch cabinet | |
| CN219591912U (en) | Intelligent safe power supply unit of building with lightning protection function | |
| CN104269828B (en) | The protective loop of high-voltage circuitbreaker energy storage driving motor | |
| CN108444531A (en) | Intelligent early-warning switchs | |
| CN219873313U (en) | Remote switch-on and switch-off indicating device and system | |
| CN212033759U (en) | Automatic monitoring and protecting device for switch electric contact | |
| CN203645315U (en) | Arc light protection structure of high-tension switch cabinet |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |