CN116779283B - Open-phase protection equipment of combined transformer - Google Patents

Open-phase protection equipment of combined transformer Download PDF

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Publication number
CN116779283B
CN116779283B CN202310830006.0A CN202310830006A CN116779283B CN 116779283 B CN116779283 B CN 116779283B CN 202310830006 A CN202310830006 A CN 202310830006A CN 116779283 B CN116779283 B CN 116779283B
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Prior art keywords
fixedly connected
phase
wall
protection
mounting
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CN202310830006.0A
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CN116779283A (en
Inventor
黎明
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Kunshan Powerex Power Technology Co ltd
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Kunshan Powerex Power Technology Co ltd
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    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01FMAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F27/00Details of transformers or inductances, in general
    • H01F27/02Casings
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01FMAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F27/00Details of transformers or inductances, in general
    • H01F27/28Coils; Windings; Conductive connections
    • H01F27/29Terminals; Tapping arrangements for signal inductances
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01FMAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F27/00Details of transformers or inductances, in general
    • H01F27/40Structural association with built-in electric component, e.g. fuse
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01FMAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F27/00Details of transformers or inductances, in general
    • H01F27/40Structural association with built-in electric component, e.g. fuse
    • H01F27/402Association of measuring or protective means
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01FMAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F30/00Fixed transformers not covered by group H01F19/00
    • H01F30/06Fixed transformers not covered by group H01F19/00 characterised by the structure
    • H01F30/12Two-phase, three-phase or polyphase transformers

Abstract

The invention provides phase-loss protection equipment of a combined transformer, and relates to the field of combined transformers. Including the combination transformer main part, the right side fixedly connected with mounting box of combination transformer main part, the inside of mounting box is provided with the open-phase protection ware, the left side fixedly connected with a plurality of installation pieces of mounting box inner wall. The phase-failure protector is convenient to install and disassemble, so that convenience is brought to an operator for installing the phase-failure protector, the connecting circuit is protected through the protective sleeve when the phase-failure protector is used, the connecting circuit is convenient to disassemble when the phase-failure protector is installed and disassembled, meanwhile, when the phase-failure protector is used, the wireless transmission equipment is connected inside, the phase-failure protector can be timely fed back to the terminal when the circuit fails, and meanwhile, the power-failure-preventing storage battery is arranged for supplying power to the wireless transmission equipment, the alarm and the temperature and humidity sensor when the power is off, so that signal interruption of the terminal and the equipment is avoided.

Description

Open-phase protection equipment of combined transformer
Technical Field
The invention relates to the field of combined transformers, in particular to a phase-loss protection device of a combined transformer.
Background
The fuse wire, the multi-station ring network load switch and the non-excitation voltage-regulating tapping switch of the transformer are all arranged in a transformer oil tank as parts of the transformer, the fuse wire is easy to replace or the load switch is easy to operate outside the oil tank to change the operation condition of the transformer, an elbow-shaped cable capable of carrying load insertion and extraction is used for inputting electric energy at the high voltage side, a low-voltage outlet bin is additionally arranged outside the oil tank, a protecting device and a measuring instrument are additionally arranged in the bin according to requirements, all charged parts are arranged in the tank, no exposed charged part exists, and the main parts are arranged in the oil tank, so that the transformer is called a combined transformer, not called a box-type transformer, but the combined transformer also has the function of the box-type transformer, and six cable sockets are arranged at the high voltage side, so that the transformer is connected into a ring network power supply system and forms the ring network power supply system together with a cabinet type ring network box or a cable branch box, and therefore, the combined transformer, the base-type transformer, or the short-type box transformer refer to the same product, and the main body is the transformer instead of the transformer.
The open-phase protection is that a certain phase of a normal three-phase power supply is disconnected, the output power of original three-phase equipment can be reduced to enable the three-phase power supply to work abnormally, or accidents are caused, so that open-phase protection devices are needed to be added to some important equipment, negative sequence current components can be generated when the line power supply is open-phase, the three-phase current is unbalanced or overlarge to cause the motor to burn out rapidly, and in order to ensure the safe operation of the motor, the operation of the motor can be stopped in time when open-phase operation occurs, the motor burning accident is avoided, and the open-phase protection devices are arranged on the general motor.
The existing phase-failure protection device is mostly installed outside the combined transformer through a circuit, a mode of fixing screws is mostly adopted, the phase-failure protection device is installed, but when the phase-failure protection device needs to be detached, the operation is inconvenient, meanwhile, when the phase-failure protection device is installed and detached, the circuit between the phase-failure protection device and the combined transformer is inconvenient to install and detach, and inconvenience is brought to the installation and the detachment of the phase-failure protection device by operators.
Disclosure of Invention
(one) solving the technical problems
Aiming at the defects of the prior art, the invention provides the open-phase protection equipment of the combined transformer, which solves the problems that most of the existing open-phase protection devices are installed outside the combined transformer through circuits, most of the existing open-phase protection devices are installed by adopting a mode of fixing screws, but the open-phase protection devices are inconvenient to operate when the open-phase protection devices are required to be detached, and meanwhile, the circuits between the open-phase protection devices and the combined transformer are inconvenient to install and detach when the open-phase protection devices are installed and detached, so that inconvenience is brought to the installation and the detachment of the open-phase protection devices by operators.
(II) technical scheme
In order to achieve the above purpose, the invention is realized by the following technical scheme: the utility model provides a phase-failure protection equipment of combination transformer, includes the combination transformer main part, the right side fixedly connected with install bin of combination transformer main part, the inside of install bin is provided with the phase-failure protector, the left side fixedly connected with of install bin inner wall a plurality of installation pieces, the left upper and lower both sides of phase-failure protector all fixedly connected with installation strip, two all rotate around the installation strip bottom surface and be connected with the installation inserted bar, a plurality of the equal fixedly connected with spacing inserted block of downside on installation inserted bar left and right sides, a plurality of the slot has all been seted up to the top surface of installation piece, a plurality of spacing chamber with slot intercommunication has all been seted up to the bottom surface of installation piece, a plurality of card wire casing has been seted up on the right of install bin, a plurality of the inside of card wire casing all is provided with the lag, the rear side rotation on install bin right is connected with the protection door, the left downside fixedly connected with a plurality of extrusion pieces of protection door.
Preferably, the first cavity has all been seted up to the bottom surface of two the installation bar, a plurality of the upper end of installation inserted bar all runs through the bottom surface of installation bar to the inside of first cavity, a plurality of the equal fixedly connected with worm wheel of the upside of installation inserted bar wall, two corresponding the right joint meshing of worm wheel is connected with the worm, two both ends around the worm rotate with the front and back both sides of first cavity inner wall respectively and are connected, two the front end of worm all runs through the front side of first cavity inner wall to the front of installation bar, two the front end of worm all fixedly connected with twist reverse the button.
Still further, the upper and lower both ends of lag all fixedly connected with rand, the inside of lag is provided with a plurality of arc shell fragment, and is a plurality of the inner wall of arc shell fragment is fixedly connected with rubber endotheca jointly, a plurality of first recesses have all been seted up to the upper and lower both sides of lag inner wall, and is a plurality of the inside of first recess all is provided with canceling release mechanical system.
Still further, canceling release mechanical system includes the connection piece, the sliding mouth has been seted up on the right side of connection piece, the center department of first recess inner wall left and right sides is fixedly connected with fixed block jointly, the pole wall of fixed block and the inner wall sliding connection of sliding mouth, the top surface of connection piece and the common fixedly connected with reset spring of upside of first recess inner wall, the lower extreme fixedly connected with connection slider of connection slider, the lower extreme of connection slider and the upper end fixed connection of arc shell fragment, the surface of connection slider and the inner wall sliding connection of first recess, two corresponding canceling release mechanical system sets up in opposite directions.
Still further, the bottom surface fixedly connected with contactor of open-phase protection ware, the downside fixedly connected with alarm on open-phase protection ware right, the upside fixedly connected with temperature and humidity sensor of installation incasement wall.
Still further, the left side fixedly connected with wireless transmission equipment of installation case inner wall downside, the top surface fixedly connected with of alarm prevents outage battery.
Still further, the top surface fixedly connected with protection top of combination transformer main part, the center department fixedly connected with a plurality of high-pressure pipe sleeves of protection top surface, protection top surface is located two low-pressure pipe sleeves of the front side fixedly connected with of high-pressure pipe sleeve, the rear side fixedly connected with tubular oil level gauge of protection top surface, the equal fixedly connected with rings in four corners department of protection top surface.
Still further, the bottom surface fixedly connected with installation base of combination transformer main part, a plurality of mounting holes have all been seted up to the left and right sides of installation base top surface, a plurality of fin of all fixedly connected with all around of combination transformer main part.
(III) beneficial effects
The invention provides a phase-failure protection device of a combined transformer. The beneficial effects are as follows:
1. the phase-failure protector is convenient to install and disassemble, so that convenience is brought to an operator for installing the phase-failure protector, the connecting circuit is protected through the protective sleeve when the phase-failure protector is used, the connecting circuit is convenient to disassemble when the phase-failure protector is installed and disassembled, meanwhile, when the phase-failure protector is used, the wireless transmission equipment is connected inside, the phase-failure protector can be timely fed back to the terminal when the circuit fails, and meanwhile, the power-failure-preventing storage battery is arranged for supplying power to the wireless transmission equipment, the alarm and the temperature and humidity sensor when the power is off, so that signal interruption of the terminal and the equipment is avoided.
2. The wire harness can be clamped by arranging the plurality of arc-shaped elastic pieces, so that the phenomenon that the connection between the wire harness and the phase-failure protector is loosened due to shaking of the wire harness is avoided, the protection effect on the wire harness is improved under the action of the rubber inner sleeve, and the wire harness is prevented from being worn.
3. According to the invention, the power-off prevention storage battery is arranged, so that the electric quantity can be timely provided for the wireless transmission equipment under the condition that the device is powered off, the wireless transmission equipment can feed back the data condition in the device to the terminal in real time, an operator can monitor the operation condition of the device in real time, and accordingly, the device can be timely remedied.
Drawings
FIG. 1 is a schematic view of the overall front side perspective of the present invention;
FIG. 2 is a schematic view of the overall left-side perspective of the present invention;
FIG. 3 is a schematic view of the overall front cross-sectional structure of the present invention;
FIG. 4 is a schematic view of the front side cross-sectional structure of the mounting case of the present invention;
FIG. 5 is an enlarged schematic view of the portion A of FIG. 4 according to the present invention;
FIG. 6 is an enlarged view of the portion B of FIG. 4 according to the present invention;
1, a combined transformer main body; 2. a mounting box; 3. a phase loss protector; 4. a mounting block; 5. a mounting bar; 6. installing a plug rod; 7. limiting plug blocks; 8. a slot; 9. a spacing cavity; 10. wire clamping groove; 11. a protective sleeve; 12. a worm wheel; 13. a worm; 14. a rotary knob; 15. a collar; 16. an arc-shaped elastic sheet; 17. a rubber inner sleeve; 18. a connecting sheet; 19. a sliding port; 20. a fixed block; 21. the connecting slide block; 22. a contactor; 23. an alarm; 24. a temperature and humidity sensor; 25. a wireless transmission device; 26. an anti-power-off storage battery; 27. a protective roof; 28. a high pressure pipe sleeve; 29. a low pressure tube sleeve; 30. a tube type oil level gauge; 31. a hanging ring; 32. a mounting base; 33. a mounting hole; 34. a heat sink; 35. a protective door; 36. extruding a block; 37. and a return spring.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Embodiment one:
as shown in fig. 1-6, the embodiment of the invention provides a phase-failure protection device of a combined transformer, which comprises a combined transformer main body 1, wherein the right side of the combined transformer main body 1 is fixedly connected with a mounting box 2, the inside of the mounting box 2 is provided with a phase-failure protector 3, the left side of the inner wall of the mounting box 2 is fixedly connected with a plurality of mounting blocks 4, the upper side and the lower side of the left side of the phase-failure protector 3 are fixedly connected with mounting strips 5, the front side and the rear side of the bottom surfaces of the two mounting strips 5 are respectively and rotatably connected with a mounting inserting rod 6, the lower sides of the left side and the right side of the plurality of mounting inserting rods 6 are respectively and fixedly connected with a limiting inserting block 7, the top surfaces of the plurality of mounting blocks 4 are respectively provided with a slot 8, the bottom surfaces of the plurality of mounting blocks 4 are respectively provided with a limiting cavity 9 communicated with the slot 8, the right side of the mounting box 2 is provided with a plurality of clamping slots 10, the inside of the plurality of clamping slots 10 are respectively provided with a protecting sleeve 11, the protection door 35 is rotatably connected to the rear side of the right side of the installation box 2, the plurality of extrusion blocks 36 are fixedly connected to the lower side of the left side of the protection door 35, and the installation and disassembly of the phase-failure protector 3 are convenient to set up, so that convenience is brought to the installation of the phase-failure protector 3 for operators, and when the installation and disassembly of the phase-failure protector 3 are convenient, the connection lines are conveniently disassembled through the protection sleeve 11, meanwhile, when the installation and disassembly of the phase-failure protector 3 are performed, the internal connection wireless transmission equipment 25 is connected, when the line fails, the power can be timely fed back to the terminal, and meanwhile, the power-failure prevention storage battery 26 is arranged for supplying power to the wireless transmission equipment 25, the alarm 23 and the temperature and humidity sensor 24 when the power is off, so that the interruption of signals of the terminal and the equipment is avoided.
Embodiment two:
as shown in fig. 2-6, an embodiment of the present invention provides a phase-loss protection device for a combined transformer, which is further expanded according to the content in the first embodiment:
wherein the bottom surfaces of the two mounting bars 5 are provided with first cavities, the upper ends of the mounting inserted bars 6 penetrate through the bottom surfaces of the mounting bars 5 to the inside of the first cavities, the upper sides of the bar walls of the mounting inserted bars 6 are fixedly connected with worm gears 12, the right sides of the two corresponding worm gears 12 are connected with worm gears 13 in a meshed mode, the front ends and the rear ends of the two worm gears 13 are respectively connected with the front side and the rear side of the inner wall of the first cavity in a rotating mode, the front ends of the two worm gears 13 penetrate through the front side of the inner wall of the first cavity to the front side of the mounting bar 5, the front ends of the two worm gears 13 are fixedly connected with rotary torsion buttons 14, the worm gears 13 on the mounting inserted bars 6 are conveniently driven to rotate under the action of the rotary buttons 14, and therefore the mounting inserted bars 6 can rotate, thereby drive spacing inserted block 7 and carry out the off normal, keep the stability of open-phase protector 3 installation, the equal fixedly connected with rand 15 in upper and lower both ends of lag 11, the inside of lag 11 is provided with a plurality of arc shell fragment 16, a plurality of first recesses have all been seted up to the inner wall of a plurality of arc shell fragments 16 in the common fixedly connected with rubber endotheca 17, a plurality of first recesses's inside all is provided with canceling release mechanical system in the upper and lower both sides of lag 11 inner wall, through setting up a plurality of arc shell fragment 16, can carry out the chucking with the pencil, thereby avoid the circuit to produce to rock, lead to producing with the connection between the open-phase protector 3 and become flexible, and under the effect of rubber endotheca 17, increased the protection effect to the circuit, avoid the circuit to receive wearing and tearing.
Embodiment III:
as shown in fig. 4 and fig. 6, an embodiment of the present invention provides a phase-loss protection device for a combined transformer, which is further expanded according to the content in the second embodiment:
the reset mechanism comprises a connecting sheet 18, a sliding opening 19 is formed in the right face of the connecting sheet 18, a fixing block 20 is fixedly connected to the center of the left side and the right side of the inner wall of a first groove, the rod wall of the fixing block 20 is in sliding connection with the inner wall of the sliding opening 19, a reset spring 37 is fixedly connected to the top face of the connecting sheet 18 and the upper side of the inner wall of the first groove, a connecting sliding block 21 is fixedly connected to the lower end of the connecting sheet 18, the lower end of the connecting sliding block 21 is fixedly connected with the upper end of the arc-shaped elastic sheet 16, the surface of the connecting sliding block 21 is in sliding connection with the inner wall of the first groove, two corresponding reset mechanisms are oppositely arranged, under the action of the reset mechanism, the arc-shaped elastic sheet 16 is conveniently driven to reset, so that all the arc-shaped elastic sheets 16 can be mutually close to each other, a circuit can be clamped, the stability of the circuit is kept, a contactor 22 is fixedly connected to the bottom face of a phase-failure protector 3, an alarm 23 is fixedly connected to the upper side of the inner wall of a mounting box 2, under the action of the contactor 22, the action of the temperature and humidity protector 2 can be conveniently monitored, and the action of the temperature and humidity protector can be compared with the alarm device under the action of the alarm device when the temperature and humidity protector 2.
Embodiment four:
as shown in fig. 1 to 4, an embodiment of the present invention provides a phase loss protection device for a combined transformer, which is further expanded according to the content in the first embodiment:
the left side fixedly connected with wireless transmission equipment 25 of installation case 2 inner wall downside, the top surface fixedly connected with of alarm 23 prevents outage battery 26, through setting up prevent outage battery 26, can provide the electric quantity in time for wireless transmission equipment 25 under the circumstances of device outage, thereby make wireless transmission equipment 25 can feed back the data condition in the device to the terminal in real time, make things convenient for operating personnel to monitor the operation condition of device in real time, thereby can remedy in time, the top surface fixedly connected with protection top 27 of combination transformer main part 1, the center department fixedly connected with a plurality of high-pressure pipe sleeves 28 of protection top 27 top surface, the front side fixedly connected with two low-pressure pipe sleeves 29 of protection top 27 top surface in high-pressure pipe sleeve 28, the rear side fixedly connected with tubular oil level gauge 30 of protection top 27 top surface, a plurality of rings 31 of equal fixedly connected with in four corners department of protection top 27 top surface, under high-pressure pipe sleeve 28 and low-pressure pipe sleeve 29's effect, with transformer inside high, low-pressure lead wire to the outside insulation sleeve of oil tank, not only regard to ground insulation, and take the effect of fixed lead wire, and take charge of the effect of fixed lead wire, and the effect in the effect of tubular oil level gauge 30 constantly monitors the transformer main part 1 in the oil level gauge moment.
Fifth embodiment:
as shown in fig. 1-3, an embodiment of the present invention provides a phase-loss protection device for a combined transformer, which is further expanded according to the content in the first embodiment:
wherein, the bottom surface fixedly connected with installation base 32 of combination transformer main part 1, a plurality of mounting holes 33 have all been seted up to the left and right sides of installation base 32 top surface, and a plurality of fin 34 of equal fixedly connected with all around of combination transformer main part 1 under the effect of installation base 32, conveniently installs the device to under the effect of fin 34, conveniently dispel the heat to combination transformer main part 1.
Working principle: the whole device is fixed at a designated position through the radiating fins 34 on the mounting holes 33, the device is powered on, the high-voltage and low-voltage leads inside the transformer are led to the insulating sleeve outside the oil tank under the action of the high-voltage sleeve 28 and the low-voltage sleeve 29, the insulating sleeve is used as the lead to the ground for insulation, the fixed lead is acted, the oil content in the combined transformer main body 1 is monitored at all times under the action of the tubular oil level gauge 30, and meanwhile, the radiating effect on the combined transformer main body 1 in use is increased under the action of the radiating fins 34;
when the phase-failure protector 3 needs to be installed, the protective door 35 on the installation box 2 is replaced, the phase-failure protector 3 is placed in the installation box 2, a plurality of installation inserting rods 6 and limiting inserting blocks 7 on the phase-failure protector 3 are inserted into the slots 8 in the installation blocks 4, the rotating button 14 is rotated, the rotating button 14 drives the worm 13 to rotate, so that the worm wheel 12 on the installation inserting rods 6 is driven to rotate, the worm wheel 12 drives the installation inserting rods 6 to rotate, all the limiting inserting blocks 7 generate offset in the limiting cavities 9, and the phase-failure protector 3 is installed in the installation box 2;
simultaneously, the protective sleeve 11 is inserted into the wire clamping groove 10, all the connecting wire harness sleeve protective sleeves 11 between the combined transformer main body 1 and the phase-failure protector 3 are connected, the wire harness is in the protective sleeve 11, under the elastic action of the arc-shaped elastic pieces 16, all the rubber inner sleeves 17 can be close to the wire harness, so that the stability of the wire harness is kept, when the arc-shaped elastic pieces 16 deform, the connecting sliding blocks 21 on the arc-shaped elastic pieces 16 slide in the first grooves, all the reset springs 37 are compressed, the connecting pieces 18 move, the fixing blocks 20 remain motionless, the movement of the connecting pieces 18 is limited, the arc-shaped elastic pieces 16 can keep the stability of the rubber inner sleeves 17 when deforming, the protective door 35 is closed, all the extrusion blocks 36 support the protective sleeve 11, and the stability of the protective sleeve 11 is kept;
when the phase-defect protector 3 needs to be disassembled, after all circuits connected with the phase-defect protector 3 on the combined transformer main body 1 are disassembled, the phase-defect protector 3 is taken out of the installation box 2, and the protective sleeve 11 and the circuits are taken out of the wire clamping groove 10 together, so that the phase-defect protector 3 is replaced, when the phase-defect protector 3 is used, the contactor 22 is used for wiring protection between the phase-defect protector 3 and the combined transformer main body 1 according to the voltage conveying condition, when faults occur, the alarm 23 alarms in time, the temperature and humidity sensor 24 monitors the temperature and humidity in the installation box 2, meanwhile, the sleeve wireless transmission device 25 transmits data signals to the terminal, an operator can conveniently monitor, and when the device fails, the anti-outage storage battery 26 provides electric quantity for the wireless transmission device 25, so that the wireless transmission device 25 can still operate, and real-time data transmission can be conveniently and continuously carried out.
Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims (5)

1. The utility model provides a open-phase protection equipment of combination transformer, includes combination transformer main part (1), its characterized in that: the combined transformer comprises a combined transformer main body (1), wherein a mounting box (2) is fixedly connected to the right side of the combined transformer main body (1), a phase-failure protector (3) is arranged in the mounting box (2), a plurality of mounting blocks (4) are fixedly connected to the left side of the inner wall of the mounting box (2), mounting strips (5) are fixedly connected to the upper side and the lower side of the left side of the phase-failure protector (3), mounting inserting rods (6) are rotatably connected to the front side and the rear side of the bottom surface of the mounting strips (5), limiting inserting blocks (7) are fixedly connected to the lower sides of the left side and the right side of the mounting inserting rods (6), slots (8) are formed in the top surfaces of the mounting blocks (4), limiting cavities (9) communicated with the slots (8) are formed in the bottom surface of the mounting blocks (4), a plurality of clamping wire grooves (10) are formed in the right side of the mounting box (2), a protecting sleeve (11) is arranged in the inner side of the clamping wire grooves (10), a protecting door (35) is rotatably connected to the rear side of the right side of the mounting box (2), and a protecting door (35) is fixedly connected to the lower protecting door (35);
the bottom surfaces of the two installation bars (5) are provided with first cavities, the upper ends of the installation inserted bars (6) penetrate through the bottom surfaces of the installation bars (5) to the inside of the first cavities, worm gears (12) are fixedly connected to the upper sides of the bar walls of the installation inserted bars (6), the right sides of the two corresponding worm gears (12) are in meshed connection with worms (13), the front ends and the rear ends of the two worms (13) are respectively connected with the front side and the rear side of the inner wall of the first cavities in a rotating mode, the front ends of the two worms (13) penetrate through the front sides of the inner wall of the first cavities to the front sides of the installation bars (5), and rotary torsion buttons (14) are fixedly connected to the front ends of the two worms (13);
the utility model discloses a protection cover, including upper and lower both ends, including protection cover (11), collar (15) are all fixedly connected with, the inside of protection cover (11) is provided with a plurality of arc shell fragment (16), a plurality of the inner wall of arc shell fragment (16) is fixedly connected with rubber endotheca (17) jointly, a plurality of first recess has all been seted up to the upper and lower both sides of protection cover (11) inner wall, a plurality of the inside of first recess all is provided with canceling release mechanical system, canceling release mechanical system includes connection piece (18), sliding opening (19) have been seted up on the right side of connection piece (18), the center department of first recess inner wall left and right sides is fixedly connected with fixed block (20) jointly, the pole wall of fixed block (20) is with the inner wall sliding connection of sliding opening (19), the top surface and the upper side of first recess inner wall of connection piece (18) are fixedly connected with reset spring (37) jointly, the lower extreme fixedly connected with connection slider (21) of connection slider (21) is with the upper end fixed connection of arc shell fragment (16), the surface and the inner wall of canceling release mechanical system that sets up opposite.
2. A phase loss protection device for a combination transformer according to claim 1, wherein: the bottom surface fixedly connected with contactor (22) of open-phase protection ware (3), the downside fixedly connected with alarm (23) on open-phase protection ware (3) right, the upside fixedly connected with temperature and humidity sensor (24) of install bin (2) inner wall.
3. A phase loss protection device for a combination transformer according to claim 2, characterized in that: the left side of the lower side of the inner wall of the installation box (2) is fixedly connected with wireless transmission equipment (25), and the top surface of the alarm (23) is fixedly connected with an anti-power-off storage battery (26).
4. A phase loss protection device for a combination transformer according to claim 1, wherein: the top surface fixedly connected with protection top (27) of combination transformer main part (1), the center department fixedly connected with a plurality of high-pressure pipe cover (28) of protection top (27) top surface, the front side fixedly connected with two low-pressure pipe covers (29) that protection top (27) top surface is located high-pressure pipe cover (28), the rear side fixedly connected with tubular oil level gauge (30) of protection top (27) top surface, the equal fixedly connected with rings (31) of four corners department of protection top (27) top surface.
5. A phase loss protection device for a combination transformer according to claim 1, wherein: the bottom surface fixedly connected with installation base (32) of combination transformer main part (1), a plurality of mounting holes (33) have all been seted up to the left and right sides of installation base (32) top surface, all fixedly connected with a plurality of fin (34) around combination transformer main part (1).
CN202310830006.0A 2023-07-07 2023-07-07 Open-phase protection equipment of combined transformer Active CN116779283B (en)

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Application Number Priority Date Filing Date Title
CN202310830006.0A CN116779283B (en) 2023-07-07 2023-07-07 Open-phase protection equipment of combined transformer

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Application Number Priority Date Filing Date Title
CN202310830006.0A CN116779283B (en) 2023-07-07 2023-07-07 Open-phase protection equipment of combined transformer

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CN116779283B true CN116779283B (en) 2024-02-13

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