CN116544815B - Overheat early warning safety protection distribution box - Google Patents

Overheat early warning safety protection distribution box Download PDF

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Publication number
CN116544815B
CN116544815B CN202310819364.1A CN202310819364A CN116544815B CN 116544815 B CN116544815 B CN 116544815B CN 202310819364 A CN202310819364 A CN 202310819364A CN 116544815 B CN116544815 B CN 116544815B
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CN
China
Prior art keywords
block
plate
box body
fixedly connected
sliding
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
Application number
CN202310819364.1A
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Chinese (zh)
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CN116544815A (en
Inventor
冯汉斌
李刚
丁杰
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Zhongpeng Electric Jiangsu Co ltd
Original Assignee
Zhongpeng Electric Jiangsu Co ltd
Priority date (The priority date 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 date listed.)
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Priority to CN202310819364.1A priority Critical patent/CN116544815B/en
Publication of CN116544815A publication Critical patent/CN116544815A/en
Application granted granted Critical
Publication of CN116544815B publication Critical patent/CN116544815B/en
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Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H3/00—Mechanisms for operating contacts
    • H01H3/22—Power arrangements internal to the switch for operating the driving mechanism
    • H01H3/26—Power arrangements internal to the switch for operating the driving mechanism using dynamo-electric motor
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01K—MEASURING TEMPERATURE; MEASURING QUANTITY OF HEAT; THERMALLY-SENSITIVE ELEMENTS NOT OTHERWISE PROVIDED FOR
    • G01K1/00—Details of thermometers not specially adapted for particular types of thermometer
    • G01K1/02—Means for indicating or recording specially adapted for thermometers
    • G01K1/024—Means for indicating or recording specially adapted for thermometers for remote indication
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01K—MEASURING TEMPERATURE; MEASURING QUANTITY OF HEAT; THERMALLY-SENSITIVE ELEMENTS NOT OTHERWISE PROVIDED FOR
    • G01K13/00—Thermometers specially adapted for specific purposes
    • G—PHYSICS
    • G08—SIGNALLING
    • G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
    • G08B21/00—Alarms responsive to a single specified undesired or abnormal condition and not otherwise provided for
    • G08B21/18—Status alarms
    • G08B21/24—Reminder alarms, e.g. anti-loss alarms
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H3/00—Mechanisms for operating contacts
    • H01H3/32—Driving mechanisms, i.e. for transmitting driving force to the contacts
    • H01H3/40—Driving mechanisms, i.e. for transmitting driving force to the contacts using friction, toothed, or screw-and-nut gearing
    • 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
    • H02B1/20—Bus-bar or other wiring layouts, e.g. in cubicles, in switchyards
    • H02B1/202—Cable lay-outs
    • 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
    • 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
    • H02B1/46—Boxes; Parts thereof or accessories therefor
    • H02B1/48—Mounting of devices therein
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
    • H02H5/00—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal non-electric working conditions with or without subsequent reconnection
    • H02H5/04—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal non-electric working conditions with or without subsequent reconnection responsive to abnormal temperature
    • H02H5/047—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal non-electric working conditions with or without subsequent reconnection responsive to abnormal temperature using a temperature responsive switch
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
    • H02H7/00—Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions
    • H02H7/22—Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions for distribution gear, e.g. bus-bar systems; for switching devices
    • H02H7/222—Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions for distribution gear, e.g. bus-bar systems; for switching devices for switches
    • 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
    • H02J13/00001—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 the display of information or by user interaction, e.g. supervisory control and data acquisition systems [SCADA] or graphical user interfaces [GUI]
    • 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
    • H02J13/0004—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 involved in a protection system
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W4/00—Services specially adapted for wireless communication networks; Facilities therefor
    • H04W4/30—Services specially adapted for particular environments, situations or purposes
    • H04W4/38—Services specially adapted for particular environments, situations or purposes for collecting sensor information
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W4/00—Services specially adapted for wireless communication networks; Facilities therefor
    • H04W4/80—Services using short range communication, e.g. near-field communication [NFC], radio-frequency identification [RFID] or low energy communication
    • 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
    • Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
    • Y02A30/00—Adapting or protecting infrastructure or their operation
    • Y02A30/14—Extreme weather resilient electric power supply systems, e.g. strengthening power lines or underground power cables

Abstract

The invention relates to the field of distribution boxes, in particular to an overheat early warning safety protection distribution box which comprises a box body, wherein a power-off structure and a plurality of temperature detection modules are arranged in the box body; the power-off structure is used for disconnecting an external power line from an electric appliance in the box body; the temperature detection module is arranged in the electric appliance; when temperature sensor detects that the temperature exceeds the preset temperature, the circuit board controls the motor to rotate, the motor drives the screw rod to rotate, the screw rod drives the sliding block to move, the sliding block moves to the insulation part by the conducting part, at the moment, the external power supply is electrically disconnected with the conducting plate, the current of the power controller in the box body is cut off, the current is disconnected when the temperature of the power controller is about to reach the threshold value of the power controller, the protection of the power controller is realized, meanwhile, the signal transmitter transmits temperature data to the power control platform, early warning prompt is given to staff, and the staff can timely go to the on-site investigation to avoid accidents.

Description

Overheat early warning safety protection distribution box
Technical Field
The invention relates to the field of distribution boxes, in particular to an overheat early warning safety protection distribution box.
Background
The distribution box is an electrical device, a plurality of power controllers are arranged in the distribution box, and the distribution box is used for commanding various components in a power supply line to reasonably distribute electric energy, is used for reliably receiving an upper-end power supply and correctly feeding out a control link of load electric energy, and is also used for acquiring whether a user is satisfied with the power supply quality;
the power controller has a current threshold value, when high current flows into the power controller for a long time, and the high current is slightly smaller than the threshold value, at the moment, part of electric energy can be converted into heat energy, so that the temperature of the power controller is gradually increased, and the power controller has no tendency to drop at all, the high temperature is a dangerous operation environment for the power controller, the power controller can lose the electric energy control function, and the power controller is in a severe natural environment, particularly in the high temperature natural environment, and is a burden for the power controller which generates heat in the power distribution box, and after the burden exceeds the bearing capacity of the power controller, the power controller is damaged, and later maintenance or replacement is needed.
Therefore, a overheat early warning safety protection distribution box is provided for the problems.
Disclosure of Invention
In order to overcome the deficiencies of the prior art, at least one technical problem presented in the background art is solved.
The technical scheme adopted for solving the technical problems is as follows: the invention relates to an overheat early warning safety protection distribution box which comprises a box body, wherein a power-off structure and a plurality of temperature detection modules are arranged in the box body; the power-off structure is used for disconnecting an external power line from the power controller in the box body; the temperature detection module is arranged inside the power controller; the power-off structure comprises a cross rod, wherein the end part of the cross rod is fixedly connected to the rear side wall in the box body, the lower surface of the cross rod is fixedly connected with a plurality of vertical rods, and the lower ends of the vertical rods are rotatably connected with a screw rod; the upper surface of the sliding block is fixedly connected with an external power line, and the lower surface of the sliding block is connected with a sliding rod in a sliding manner;
the sliding rod comprises a conductive part and an insulating part which are arranged in half, and the lower surface of the sliding block can slide back and forth along the space between the conductive part and the insulating part; a conductive plate is fixedly connected below the conductive part and is connected with a power controller in the box body through a wire; the rear side wall of the conducting plate is fixedly connected to the rear side wall in the box body through an insulating screw rod;
the temperature detection module comprises a circuit control board, a temperature sensor and a signal transmitter, wherein the temperature sensor is arranged on the power controller or attached to the surface of the power controller, and the signal transmitter transmits data measured by the temperature sensor to the power control platform through the 4G module or the wifi module, so that personnel in the platform observe the temperature change condition; the lead screw is made of non-metal materials, such as PVC, PPT or nylon materials, one end of the lead screw penetrates through the outside of the box body and is fixedly connected with a motor, the motor is arranged on the outer side wall of the box body, the motor is in a normally closed state, the motor is controlled to start and stop by a control board, the motor and a temperature detection module are additionally connected with a bypass of an external power supply, the motor is independently controlled, when the temperature detected by a temperature sensor exceeds a preset temperature, a circuit board controls the motor to rotate, the motor drives the lead screw to drive the sliding block to move, the sliding block is moved to the insulating part by the conducting part, at the moment, the external power supply is electrically disconnected from the conducting plate, the current of the power controller in the box body is cut off, the current is disconnected when the temperature of the power controller reaches a threshold value, the protection of the power controller is realized, meanwhile, the signal transmitter transmits temperature data to a power control platform, early warning prompt is given to workers to reach the site in time, and the workers are in order to avoid accidents;
when the temperature of the electric power controller is reduced to the set temperature, the circuit board controls the motor to rotate, the lead screw drives the sliding block to reset, the sliding block moves to the conducting part from the insulating part, the communication between an external power line and a lead inside the box body is realized, and at the moment, the electric current is fed into the circuit controller again.
Preferably, the middle of the upper half part of the conductive plate is provided with a jack, the two sides of the lower half part of the conductive plate are provided with sliding holes, one side of the conductive plate is provided with a plug block, the upper end of the plug block is connected to the screw rod in a transmission way, the end part of the plug block opposite to the jack is inserted into the jack, the two sides of the plug block are fixedly connected with guide rods, the guide rods are connected in the re-sliding block in a sliding way, and the side wall of the plug block is connected with a lead wire; the screw thread arranged on the screw rod and connected with the insert block is opposite to the screw thread arranged on the screw rod and connected with the slide block, and when the screw rod rotates, the slide block and the insert block do relatively far away or close actions; when the temperature in the electric controller exceeds a threshold value, the screw rod rotates to drive the sliding block and the plug block to do a relatively far-away action, and the end part of the plug block slides out of the jack and is far away from the conductive plate, so that the conductive plate and the plug block are electrically disconnected; on the basis of moving outage of the sliding block, the plug blocks are separated from the conducting plates to be powered off, two layers of outage overheat protection are provided, and the success rate of outage of the circuit controller is improved.
Preferably, the lower surface of the insertion block is provided with an L-shaped hook plate, the end part of the hook plate horizontally extends towards the direction of the conducting plate, an insertion plate which is matched with the hook plate in shape is arranged in the hook plate, the front side wall of the insertion plate is connected with a wire, and the rear side wall of the insertion plate is fixedly connected on the rear side wall in the box body through an insulating screw rod; the hook plate and the plugboard are arranged to realize three layers of power-off overheat protection, wherein the first layer is that the sliding block and the sliding rod are matched and powered off, the second layer is that the conductive plate and the plugboard are matched and powered off, and the third layer is that the hook plate and the plugboard are matched and powered off; the success rate and stability of the circuit controller in outage are improved again, and the arrangement of the three parts of the conducting plate, the plug block and the plug board expands the conducting wire fixing points, and more conducting wires can be connected to the surface of the conducting wire fixing points, so that more circuit controllers can be installed in the box body conveniently.
Preferably, the inner top surface of the jack is provided with an inclined plane, the upper surface of the end part of the plug block is provided with a slope, and the slope is arranged in a matching way with the inclined plane; the upper end of the insertion block comprises a rubber column and a connecting part; the connecting part is connected to the screw rod in a transmission way, the rubber column is fixedly connected to the lower surface of the connecting part, and the rubber column is fixedly connected to the insert block; the matching of the inclined plane and the inclined plane reduces the breaking distance of the plug block and the conductive plate, the plug block does not need to be completely separated from the plug block, and the purpose of breaking power can be realized by separating the linear inclined plane from the inclined plane; and the slope is matched with the inclined plane, and the rubber column is arranged, after the plug is inserted into the jack, the inclined plane extrudes the slope downwards, so that the plug deflects, the horizontal part of the hook plate is not in a horizontal state any more, and synchronously deflects along with the plug, the plug plate is extruded by the hook plate, and the stability of the electrical connection between the plug and the conductive plate and the stability of the electrical connection between the plug and the plug plate are improved, and the stability of the current of the power controller is ensured.
Preferably, the surface of the part of the plugboard, which is inserted into the hook plate, is provided with an elastic sheet; the middle position of the elastic sheet is fixedly connected to the plugboard, two ends of the elastic sheet are respectively positioned at the upper surface and the lower surface of the plugboard, the upper surface and the lower surface of the plugboard are provided with limiting grooves, and two ends of the elastic sheet are respectively propped in the limiting grooves; the elastic sheet is arranged, after the inserting plate is inserted into the hook plate, the inserting block is extruded on the elastic sheet, the horizontal part of the hook plate is extruded downwards, the stability between the inserting plate and the hook plate is increased, the limiting groove is arranged, the deformation of the elastic sheet is restrained, and the extrusion force of the elastic sheet to the hook plate and the inserting block is improved.
Preferably, an L-shaped guide hole is formed in the insertion block, one hole end of the guide hole vertically extends to a slope of the insertion block, the other hole end of the guide hole horizontally extends towards the tail end of the insertion block, an L-shaped push rod is connected in the guide hole in a sliding mode, one end of the push rod protrudes out of the surface of the slope, and the other end of the push rod is connected in the guide hole through a pressure spring; a notch is formed in the position, opposite to the horizontal position of the hook plate, of the insertion block, and a convex part is arranged on the push rod at the position corresponding to the notch; in the back in-process in the inserted block is inserted to the tip of inserted block, simultaneously picture peg and elastic sheet imbeds in the hook plate, imbeds in the breach on the elastic sheet to and the one end of current conducting plate extrusion push rod, the push rod slides along the guiding hole, and the convex part on the push rod removes the breach position, and the convex part is close to the upper half of elastic sheet gradually, and pushes up in the upper half edge position of elastic sheet, makes the upper half of elastic sheet uplift, and extrudees in the breach, improves the stability between picture peg and the inserted block.
Preferably, one side of the notch is provided with a yielding groove, and the yielding groove is arranged close to the conducting plate; and one side of the notch is provided with a yielding groove, so that the stroke of the plugboard, which is separated from the outage hook plate and the plugboard, can be reduced, the plugboard is separated from the conducting plate, the yielding groove moves to the upper part of the plugboard, and the plugboard is not electrically connected with the plugboard.
Preferably, the two sides of the lower end of the vertical rod are fixedly connected with limit rods, the two sides of the sliding block are provided with notches, the notches are formed along the moving direction of the sliding block, and the limit rods are in sliding connection in the notches; the stop lever is the insulating rod, and the slider removes along the stop lever, improves the mobility stability of slider for when the slider removes conductive part from insulating part, the slider can stable electric connection current-conducting plate.
Preferably, a threading pipe is arranged on the outer rear side wall of the box body, the threading pipe is L-shaped, one end of the threading pipe is fixedly connected to the upper half part of the box body, and the other end of the threading pipe is vertically downwards arranged; the threading pipe is arranged to guide the external power line to extend, so that external rainwater is prevented from penetrating into the box body along the joint of the external lead and the box body, and the waterproof effect is achieved;
preferably, a plurality of clamps are arranged on the outer rear side wall of the box body, and an external power line is embedded in the clamps; the clamp is orderly arranged on the rear side wall of the box body, and the external power lines are clearly combed, so that the later-stage maintenance and repair and other power operations are facilitated.
The invention has the advantages that:
1. when the temperature measured by the temperature sensor exceeds the preset temperature, the circuit board controls the motor to rotate, the motor drives the screw rod to rotate, the screw rod drives the sliding block to move, the sliding block moves to the insulating part from the conducting part, at the moment, the external power supply is electrically disconnected from the conducting plate, the current of the power controller in the box body is cut off, the current is disconnected when the temperature of the power controller reaches the threshold value, the protection of the power controller is realized, meanwhile, the signal transmitter transmits temperature data to the power control platform, early warning prompt is given to staff, and the staff can go to the on-site investigation in time, so that accidents are avoided.
2. According to the invention, through the arrangement of the hook plate and the plugboard, three layers of power-off overheat protection are realized, wherein the first layer is that the sliding block and the sliding rod are matched and powered off, the second layer is that the conductive plate and the plugboard are matched and powered off, and the third layer is that the hook plate and the plugboard are matched and powered off; the success rate and stability of the circuit controller in outage are improved again, and the arrangement of the three parts of the conducting plate, the plug block and the plug board expands the conducting wire fixing points, and more conducting wires can be connected to the surface of the conducting wire fixing points, so that more circuit controllers can be installed in the box body conveniently.
Drawings
FIG. 1 is a perspective view of a first view of a case according to the present invention;
FIG. 2 is a second perspective view of the case of the present invention;
FIG. 3 is a perspective view of an interrupt electrical structure of the present invention;
FIG. 4 is a front view of an interrupt electrical configuration of the present invention;
FIG. 5 is a perspective view of the slider and external power cord of the present invention;
FIG. 6 is a perspective view of the mating of the insert block and the conductive plate of the present invention;
FIG. 7 is a front view of an insert block of the present invention;
FIG. 8 is a block diagram illustrating the mating of a plug with a receptacle in accordance with the present invention;
FIG. 9 is a perspective view of an insert block of the present invention;
FIG. 10 is a cross-sectional view of an insert block of the present invention;
FIG. 11 is a perspective view showing the mating of the insert plate and the insulating screw in accordance with the present invention;
fig. 12 is a perspective view showing the fit of the insert plate and the elastic sheet in the present invention.
In the figure: 1. a case; 2. a cross bar; 3. a vertical rod; 4. a screw rod; 5. a slide block; 6. a slide bar; 7. a conductive portion; 8. an insulating part; 9. a conductive plate; 10. a jack; 11. inserting blocks; 12. a guide rod; 13. a hook plate; 131. inserting plate; 14. an insulating screw; 16. a ramp; 17. a rubber column; 18. a joint portion; 19. an elastic sheet; 20. a limit groove; 21. a guide hole; 22. a push rod; 23. a notch; 24. a convex portion; 25. a relief groove; 26. a limit rod; 27. a notch; 28. a threading tube; 29. a clamp; 30. an external power line; 31. and (5) conducting wires.
Detailed Description
The invention is further described in connection with the following detailed description in order to make the technical means, the creation characteristics, the achievement of the purpose and the effect of the invention easy to understand.
Embodiment one: referring to fig. 1, 2, 3, 4, 5, 6 and 7, an overheat pre-warning safety protection distribution box comprises a box body 1, wherein a power-off structure and a plurality of temperature detection modules are arranged in the box body 1; the power-off structure is used for disconnecting the external power line 30 from the power controller in the box body 1; the temperature detection module is arranged inside the power controller; the power-off structure comprises a cross rod 2, wherein the end part of the cross rod 2 is fixedly connected to the inner rear side wall of the box body 1, the lower surface of the cross rod 2 is fixedly connected with a plurality of vertical rods 3, and the lower ends of the vertical rods 3 are rotatably connected with screw rods 4; the screw rod 4 is in transmission connection with a sliding block 5, the upper surface of the sliding block 5 is fixedly connected with an external power line 30, and the lower surface of the sliding block 5 is in sliding connection with a sliding rod 6;
the sliding rod 6 comprises a conductive part 7 and an insulating part 8 which are arranged in half, and the lower surface of the sliding block 5 can slide back and forth along the space between the conductive part 7 and the insulating part 8; a conductive plate 9 is fixedly connected below the conductive part 7, and the conductive plate 9 is connected with a power controller in the box body 1 through a wire 31; the rear side wall of the conducting plate 9 is fixedly connected to the rear side wall in the box body 1 through an insulating screw 14;
the temperature detection module comprises a circuit control board, a temperature sensor and a signal transmitter, wherein the temperature sensor is arranged on the power controller or attached to the surface of the power controller, and the signal transmitter transmits data measured by the temperature sensor to the power control platform through the 4G module or the wifi module, so that personnel in the platform observe the temperature change condition; the lead screw 4 is made of non-metal materials, such as PVC, PPT or nylon materials, one end of the lead screw 4 penetrates through the outside of the box body 1 and is fixedly connected with a motor, the motor is arranged on the outer side wall of the box body 1, the motor is in a normally closed state, the motor is controlled to start and stop by a control board, the motor and a temperature detection module are additionally connected with a bypass of an external power supply and are independently controlled, when the temperature measured by a temperature sensor exceeds a preset temperature, a circuit board controls the motor to rotate, the motor drives the lead screw 4 to rotate, the lead screw 4 drives the sliding block 5 to move, the sliding block 5 moves to the insulating part 8 from the conducting part 7, at the moment, the external power supply is electrically disconnected from the conducting plate 9, so that the current is disconnected when the current of the power controller in the box body 1 reaches a threshold value, the protection of the power controller is realized, meanwhile, the signal transmitter transmits temperature data to the power control platform, early warning prompt is given to workers, and the workers arrive at the site in time, so that accidents are avoided;
when the temperature of the electric power controller is reduced to the set temperature, the circuit board controls the motor to rotate, the screw rod 4 drives the sliding block 5 to reset, the sliding block 5 moves to the conducting part 7 from the insulating part 8, the communication between the external power line 30 and the conducting wire 31 inside the box body 1 is realized, and at the moment, the electric current is fed into the circuit controller again.
Referring to fig. 5, 6, 7 and 8, a jack 10 is formed in the middle of the upper half part of the conductive plate 9, sliding holes are formed in two sides of the lower half part of the conductive plate 9, an insert block 11 is arranged on one side of the conductive plate 9, the upper end of the insert block 11 is in transmission connection with the screw rod 4, the end part of the insert block 11 opposite to the jack 10 is inserted into the jack 10, guide rods 12 are fixedly connected to the two sides of the insert block 11, the guide rods 12 are in sliding connection with the slider 5, and the side wall of the insert block 11 is connected with a wire 31; the screw thread arranged on the screw rod 4 and connected with the insert block 11 is opposite to the screw thread arranged on the screw rod 4 and connected with the slide block 5, and when the screw rod 4 rotates, the slide block 5 and the insert block 11 do relatively far away or close actions; when the internal temperature of the electric power controller exceeds a threshold value, the screw rod 4 rotates to drive the sliding block 5 and the plug 11 to do a relatively far-away action, the end part of the plug 11 slides out of the jack 10 and is far away from the conductive plate 9, and the conductive plate 9 and the plug 11 are electrically disconnected; on the basis of moving outage of the sliding block 5, the plug 11 is separated from the conducting plate 9 to perform outage, two layers of outage overheat protection are provided, and the outage success rate of the circuit controller is improved.
Referring to fig. 5, 6, 7 and 8, the lower surface of the insert block 11 is provided with an L-shaped hook plate 13, the end of the hook plate 13 extends horizontally towards the direction of the conductive plate 9, an insert plate 131 adapting to the shape of the hook plate is arranged in the hook plate 13, the front side wall of the insert plate 131 is connected with a wire 31, and the rear side wall of the insert plate 131 is fixedly connected on the rear side wall in the box body 1 through an insulating screw 14; the hook plate 13 and the plugboard 131 are arranged to realize three layers of power-off overheat protection, wherein the first layer is that the sliding block 5 and the sliding rod 6 are matched and powered off, the second layer is that the conductive plate 9 and the plugboard 11 are matched and powered off, and the third layer is that the hook plate 13 and the plugboard 131 are matched and powered off; the success rate and stability of the circuit controller in power off are improved again, and the arrangement of the three parts of the conducting plate 9, the plug block 11 and the plug board 131 expands the fixed point of the conducting wire 31, and more conducting wires 31 can be connected to the surface of the conducting wire, so that more circuit controllers can be installed in the box body 1.
Referring to fig. 8 and 9, the inner top surface of the jack 10 is provided with an inclined surface, the upper surface of the end part of the plug 11 is provided with a slope 16, and the slope 16 is arranged in a matching way with the inclined surface; the upper end of the insert block 11 comprises a rubber column 17 and a joint part 18; the connecting part 18 is connected to the screw rod 4 in a transmission way, the lower surface of the connecting part 18 is fixedly connected with a rubber column 17, and the rubber column 17 is fixedly connected to the insertion block 11; the matching of the inclined plane and the inclined plane 16 reduces the power-off stroke of the plug 11 and the conductive plate 9, the plug 11 does not need to be completely separated from the plug 11, and the power-off purpose can be realized by separating the linear inclined plane from the inclined plane 16; and the slope 16 is matched with the inclined plane, and the rubber column 17 is arranged, after the plug 11 is inserted into the jack 10, the inclined plane presses the slope 16 downwards, so that the plug 11 deflects, the horizontal part of the hook plate 13 is not in a horizontal state at the moment, and synchronously deflects along with the plug 11, the plug plate 131 is pressed by the hook plate 13 at the moment, and the stability of the electrical connection between the plug 11 and the conductive plate 9 and the stability of the electrical connection between the plug 11 and the plug plate 131 are improved, so that the stability of the current of the power controller is ensured.
Referring to fig. 11 and 12, the surface of the part of the insertion plate 131 inserted into the hook plate 13 is provided with an elastic piece 19; the middle position of the elastic sheet 19 is fixedly connected to the plugboard 131, two ends of the elastic sheet 19 are respectively positioned at the upper surface and the lower surface of the plugboard 131, the upper surface and the lower surface of the plugboard 131 are provided with limiting grooves 20, and two ends of the elastic sheet 19 are respectively propped in the limiting grooves 20; the elastic sheet 19 is arranged, after the inserting plate 131 is inserted into the hook plate 13, the elastic sheet 19 is used for extruding the inserting block 11, extruding the horizontal part of the hook plate 13 downwards, increasing the stability between the inserting plate 131 and the hook plate 13, and arranging the limiting groove 20 to restrict the deformation of the elastic sheet 19 and improve the extrusion force of the elastic sheet 19 to the hook plate 13 and the inserting block 11.
Referring to fig. 8, 9 and 10, an L-shaped guide hole 21 is formed in the insert 11, one hole end of the guide hole 21 extends vertically to the slope 16 of the insert 11, the other hole end of the guide hole 21 extends horizontally to the end direction of the insert 11, an L-shaped push rod 22 is connected in the guide hole 21 in a sliding manner, one end of the push rod 22 protrudes out of the surface of the slope 16, and the other end of the push rod 22 is connected in the guide hole 21 through a compression spring; a notch 23 is formed in the position, opposite to the horizontal position of the hook plate 13, of the insertion block 11, and a convex part 24 is arranged on the push rod 22, corresponding to the notch 23; in the process of inserting the end part of the insert block 11 into the insert block 11, meanwhile, the insert plate 131 and the elastic sheet 19 are embedded into the hook plate 13, the elastic sheet 19 is embedded into the notch 23, the conductive plate 9 presses one end of the push rod 22, the push rod 22 slides along the guide hole 21, the convex part 24 on the push rod 22 moves to the notch 23, the convex part 24 is gradually close to the upper half part of the elastic sheet 19 and props against the edge of the upper half part of the elastic sheet, so that the upper half part of the elastic sheet bulges and is pressed into the notch 23, and the stability between the insert plate 131 and the insert block 11 is improved.
Referring to fig. 10, a relief groove 25 is formed on one side of the notch 23, and the relief groove 25 is disposed close to the conductive plate 9; the clearance groove 25 is formed on one side of the notch 23, so that the stroke of the plugboard 131 separating from the power-off hook plate 13 and the plugboard 11 can be reduced, the plugboard 11 is separated from the conductive plate 9, the clearance groove 25 moves to the upper side of the plugboard 131, and the plugboard 131 is not electrically connected with the plugboard 11.
Referring to fig. 3, two sides of the lower end of the vertical rod 3 are fixedly connected with a limiting rod 26, two sides of the sliding block 5 are provided with notches 27, the notches 27 are formed along the moving direction of the sliding block 5, and the limiting rod 26 is slidably connected in the notches 27; the stop lever 26 is the insulating rod, and slider 5 removes along stop lever 26, improves slider 5's removal stability for slider 5 removes conducting portion 7 from insulating portion 8, and slider 5 can stable electric connection conducting plate 9.
Embodiment two: referring to fig. 2, in a first comparative example, as another embodiment of the present invention, a threading tube 28 is disposed on the outer rear sidewall of the case 1, the threading tube 28 has an L shape, one end of the threading tube 28 is fixedly connected to the upper half of the case 1, and the other end of the threading tube 28 is disposed vertically downward; the threading pipe 28 is arranged to guide the external power line 30 to extend, so that external rainwater is prevented from penetrating into the box body 1 along the joint of the external lead 31 and the box body 1, and the waterproof effect is achieved;
a plurality of hoops 29 are arranged on the outer rear side wall of the box body 1, and an external power line 30 is embedded in each hoops 29; the clamp 29 neatly arranges the external power line 30 on the rear side wall of the box body 1, and the external power line 30 is clearly combed, so that the later maintenance and repair and other power operations are convenient.
Working principle: the temperature detection module comprises a circuit control board, a temperature sensor and a signal transmitter, wherein the temperature sensor is arranged on the power controller or attached to the surface of the power controller, and the signal transmitter transmits data measured by the temperature sensor to the power control platform through the 4G module or the wifi module, so that personnel in the platform observe the temperature change condition; the lead screw 4 is made of non-metal materials, such as PVC, PPT or nylon materials, one end of the lead screw 4 penetrates through the outside of the box body 1 and is fixedly connected with a motor, the motor is arranged on the outer side wall of the box body 1, the motor is in a normally closed state, the motor is controlled to start and stop by a control board, the motor and a temperature detection module are additionally connected with a bypass of an external power supply and are independently controlled, when the temperature measured by a temperature sensor exceeds a preset temperature, a circuit board controls the motor to rotate, the motor drives the lead screw 4 to rotate, the lead screw 4 drives the sliding block 5 to move, the sliding block 5 moves to the insulating part 8 from the conducting part 7, at the moment, the external power supply is electrically disconnected from the conducting plate 9, so that the current is disconnected when the current of the power controller in the box body 1 reaches a threshold value, the protection of the power controller is realized, meanwhile, the signal transmitter transmits temperature data to the power control platform, early warning prompt is given to workers, and the workers arrive at the site in time, so that accidents are avoided;
when the temperature of the electric power controller is reduced to the set temperature, the circuit board controls the motor to rotate, the lead screw 4 drives the sliding block 5 to reset, so that the sliding block 5 moves to the conducting part 7 from the insulating part 8, the communication between the external power line 30 and the conducting wire 31 in the box body 1 is realized, and at the moment, the electric current is fed into the circuit controller again;
the screw thread arranged on the screw rod 4 and connected with the insert block 11 is opposite to the screw thread arranged on the screw rod 4 and connected with the slide block 5, and when the screw rod 4 rotates, the slide block 5 and the insert block 11 do relatively far away or close actions; when the internal temperature of the electric power controller exceeds a threshold value, the screw rod 4 rotates to drive the sliding block 5 and the plug 11 to do a relatively far-away action, the end part of the plug 11 slides out of the jack 10 and is far away from the conductive plate 9, and the conductive plate 9 and the plug 11 are electrically disconnected; on the basis of moving outage of the sliding block 5, the plug 11 is separated from the conducting plate 9 to perform outage, two layers of outage overheat protection are provided, and the outage success rate of the circuit controller is improved;
the hook plate 13 and the plugboard 131 are arranged to realize three layers of power-off overheat protection, wherein the first layer is that the sliding block 5 and the sliding rod 6 are matched and powered off, the second layer is that the conductive plate 9 and the plugboard 11 are matched and powered off, and the third layer is that the hook plate 13 and the plugboard 131 are matched and powered off; the success rate and stability of the circuit controller in outage are improved again, and the arrangement of the three parts of the conducting plate 9, the plug block 11 and the plug board 131 expands the fixed point of the conducting wire 31, and more conducting wires 31 can be connected to the surface of the conducting wire, so that more circuit controllers can be arranged in the box body 1;
the matching of the inclined plane and the inclined plane 16 reduces the power-off stroke of the plug 11 and the conductive plate 9, the plug 11 does not need to be completely separated from the plug 11, and the power-off purpose can be realized by separating the linear inclined plane from the inclined plane 16; the slope 16 is matched with the inclined plane, and the rubber column 17 is arranged, after the plug 11 is inserted into the jack 10, the inclined plane presses the slope 16 downwards, so that the plug 11 deflects, the horizontal part of the hook plate 13 is not in a horizontal state any more, and synchronously deflects along with the plug 11, the plug plate 131 is pressed by the hook plate 13, so that the stability of electrical connection between the plug 11 and the conductive plate 9 is improved, and the stability of electrical connection between the plug 11 and the plug plate 131 is ensured, and the stability of current of the power controller is ensured;
the elastic sheet 19 is arranged, after the inserting plate 131 is inserted into the hook plate 13, the upper part of the elastic sheet 19 presses the inserting block 11, the lower part of the elastic sheet presses the horizontal part of the hook plate 13, the stability between the inserting plate 131 and the hook plate 13 is increased, the limiting groove 20 is arranged, the deformation amount of the elastic sheet 19 is restrained, and the extrusion force of the elastic sheet 19 to the hook plate 13 and the inserting block 11 is improved; in the process of inserting the end part of the insert block 11 into the insert block 11, meanwhile, the insert plate 131 and the elastic sheet 19 are embedded into the hook plate 13, the elastic sheet 19 is embedded into the notch 23, the conductive plate 9 presses one end of the push rod 22, the push rod 22 slides along the guide hole 21, the convex part 24 on the push rod 22 moves to the notch 23, the convex part 24 is gradually close to the upper half part of the elastic sheet 19 and props against the edge position of the upper half part of the elastic sheet, so that the upper half part of the elastic sheet bulges and is pressed into the notch 23, and the stability between the insert plate 131 and the insert block 11 is improved; one side of the notch 23 is provided with a yielding groove 25, so that the stroke of the plugboard 131 separating from the power-off hook plate 13 and the plugboard 11 can be reduced, the plugboard 11 is separated from the conductive plate 9, the yielding groove 25 moves to the upper part of the plugboard 131, and the plugboard 131 is not electrically connected with the plugboard 11 any more;
the stop lever 26 is the insulating rod, and slider 5 removes along stop lever 26, improves slider 5's removal stability for slider 5 removes conducting portion 7 from insulating portion 8, and slider 5 can stable electric connection conducting plate 9.
The foregoing has shown and described the basic principles, principal features and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, and that the above embodiments and descriptions are merely illustrative of the principles of the present invention, and various changes and modifications may be made without departing from the spirit and scope of the invention, which is defined in the appended claims. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims (8)

1. The utility model provides an overheat early warning safety protection block terminal, includes box (1), its characterized in that: a power-off structure and a plurality of temperature detection modules are arranged in the box body (1); the power-off structure is used for disconnecting an external power line (30) from the power controller in the box body (1); the temperature detection module is arranged inside the power controller; the power-off structure comprises a cross rod (2), the end part of the cross rod (2) is fixedly connected to the inner rear side wall of the box body (1), the lower surface of the cross rod (2) is fixedly connected with a plurality of vertical rods (3), and the lower ends of the vertical rods (3) are rotationally connected with screw rods (4); a sliding block (5) is connected to the upper transmission of the screw rod (4), an external power line (30) is fixedly connected to the upper surface of the sliding block (5), and a sliding rod (6) is connected to the lower surface of the sliding block (5) in a sliding manner;
the sliding rod (6) comprises a conductive part (7) and an insulating part (8) which are arranged in half, and the lower surface of the sliding block (5) can slide back and forth along the space between the conductive part (7) and the insulating part (8); a conductive plate (9) is fixedly connected below the conductive part (7), and the conductive plate (9) is connected with an electric power controller in the box body (1) through a wire; the rear side wall of the conducting plate (9) is fixedly connected to the inner rear side wall of the box body (1) through an insulating screw rod (14);
the middle of the upper half part of the conducting plate (9) is provided with a jack (10), the two sides of the lower half part of the conducting plate (9) are provided with sliding holes, one side of the conducting plate (9) is provided with a plug block (11), the upper end of the plug block (11) is connected to the screw rod (4) in a transmission way, the end part of the plug block (11) opposite to the jack (10) is inserted into the jack (10), the two sides of the plug block (11) are fixedly connected with guide rods (12), the guide rods (12) are connected in the sliding block (5) in a sliding way, and the side walls of the plug block (11) are connected with wires; threads arranged on the screw rod (4) and connected with the insert block (11) are opposite to threads arranged on the screw rod (4) and connected with the slide block (5);
the lower surface of the inserting block (11) is provided with an L-shaped hook plate (13), the end part of the hook plate (13) horizontally extends towards the direction of the conducting plate (9), an inserting plate (131) which is suitable for the shape of the hook plate is arranged in the hook plate (13), the front side wall of the inserting plate (131) is connected with a wire, and the rear side wall of the inserting plate (131) is fixedly connected onto the inner rear side wall of the box body (1) through an insulating screw rod (14).
2. The overheat protection safety protection distribution box of claim 1 wherein: the inner top surface of the jack (10) is provided with an inclined plane, the upper surface of the end part of the plug block (11) is provided with a slope (16), and the slope (16) is arranged in a matching way with the inclined plane; the upper end of the insertion block (11) comprises a rubber column (17) and a connecting part (18); the connecting part (18) is connected to the screw rod (4) in a transmission way, the rubber column (17) is fixedly connected to the lower surface of the connecting part (18), and the rubber column (17) is fixedly connected to the inserting block (11).
3. The overheat protection safety protection distribution box of claim 1 wherein: the surface of the part of the plugboard (131) inserted into the hook plate (13) is provided with an elastic sheet (19); the middle position of the elastic sheet (19) is fixedly connected to the inserting plate (131), two ends of the elastic sheet (19) are respectively located at the upper surface and the lower surface of the inserting plate (131), the upper surface and the lower surface of the inserting plate (131) are provided with limiting grooves (20), and two ends of the elastic sheet (19) are respectively propped in the limiting grooves (20).
4. The overheat protection safety protection distribution box of claim 2 wherein: an L-shaped guide hole (21) is formed in the insertion block (11), one hole end of the guide hole (21) vertically extends to a slope (16) of the insertion block (11), the other hole end of the guide hole (21) horizontally extends towards the tail end of the insertion block (11), an L-shaped push rod (22) is connected in the guide hole (21) in a sliding mode, one end of the push rod (22) protrudes out of the surface of the slope (16), and the other end of the push rod (22) is connected in the guide hole (21) through a pressure spring; the insertion block (11) is provided with a notch (23) at a position opposite to the horizontal position of the hook plate (13), and a convex part (24) is arranged on the push rod (22) at a position corresponding to the notch (23).
5. The overheat protection safety protection distribution box of claim 4 wherein: and one side of the notch (23) is provided with a yielding groove (25), and the yielding groove (25) is arranged close to the conducting plate (9).
6. The overheat protection safety protection distribution box of claim 1 wherein: limiting rods (26) are fixedly connected to two sides of the lower end of the vertical rod (3), notches (27) are formed in two sides of the sliding block (5), the notches (27) are formed in the moving direction of the sliding block (5), and the limiting rods (26) are slidably connected in the notches (27).
7. The overheat protection safety protection distribution box of claim 1 wherein: the utility model discloses a box, including box (1), casing (28), threading pipe (28) are equipped with on the lateral wall behind the outside of box (1), and threading pipe (28) are L shape, and the one end rigid coupling of threading pipe (28) is in box (1) first half, and the other end of threading pipe (28) sets up vertically downwards.
8. The overheat protection safety protection distribution box of claim 7 wherein: a plurality of clamps (29) are arranged on the outer rear side wall of the box body (1), and external power lines (30) are embedded in the clamps (29).
CN202310819364.1A 2023-07-06 2023-07-06 Overheat early warning safety protection distribution box Active CN116544815B (en)

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CN202310819364.1A CN116544815B (en) 2023-07-06 2023-07-06 Overheat early warning safety protection distribution box

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Application Number Priority Date Filing Date Title
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CN116544815B true CN116544815B (en) 2023-08-29

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Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111276847A (en) * 2020-01-19 2020-06-12 深圳市久盟电子科技有限公司 High-temperature automatic power-off PC power supply
CN111864549A (en) * 2020-07-23 2020-10-30 广东中兴电器开关股份有限公司 Multiple automatic protection type intelligence cubical switchboard
CN113123951A (en) * 2021-05-28 2021-07-16 成渝钒钛科技有限公司 Automatic power-off protection device for water pump energy conservation and use method thereof
CN113890194A (en) * 2021-10-15 2022-01-04 安徽理工大学 Electric power monitored control system based on thing networking

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111276847A (en) * 2020-01-19 2020-06-12 深圳市久盟电子科技有限公司 High-temperature automatic power-off PC power supply
CN111864549A (en) * 2020-07-23 2020-10-30 广东中兴电器开关股份有限公司 Multiple automatic protection type intelligence cubical switchboard
CN113123951A (en) * 2021-05-28 2021-07-16 成渝钒钛科技有限公司 Automatic power-off protection device for water pump energy conservation and use method thereof
CN113890194A (en) * 2021-10-15 2022-01-04 安徽理工大学 Electric power monitored control system based on thing networking

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