CN117497308A - Three-phase current transformer with adjustable anti-electricity-theft - Google Patents
Three-phase current transformer with adjustable anti-electricity-theft Download PDFInfo
- Publication number
- CN117497308A CN117497308A CN202311442409.4A CN202311442409A CN117497308A CN 117497308 A CN117497308 A CN 117497308A CN 202311442409 A CN202311442409 A CN 202311442409A CN 117497308 A CN117497308 A CN 117497308A
- Authority
- CN
- China
- Prior art keywords
- wire
- unit
- gear
- rod
- winding roller
- 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.)
- Granted
Links
- 238000004804 winding Methods 0.000 claims abstract description 120
- 230000005611 electricity Effects 0.000 claims abstract description 54
- 230000007246 mechanism Effects 0.000 claims abstract description 31
- 230000002265 prevention Effects 0.000 claims abstract description 29
- 230000005540 biological transmission Effects 0.000 claims description 12
- 230000004888 barrier function Effects 0.000 description 13
- 238000010586 diagram Methods 0.000 description 5
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 230000001131 transforming effect Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 230000005674 electromagnetic induction Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 230000035945 sensitivity Effects 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R15/00—Details of measuring arrangements of the types provided for in groups G01R17/00 - G01R29/00, G01R33/00 - G01R33/26 or G01R35/00
- G01R15/14—Adaptations providing voltage or current isolation, e.g. for high-voltage or high-current networks
- G01R15/18—Adaptations providing voltage or current isolation, e.g. for high-voltage or high-current networks using inductive devices, e.g. transformers
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H75/00—Storing webs, tapes, or filamentary material, e.g. on reels
- B65H75/02—Cores, formers, supports, or holders for coiled, wound, or folded material, e.g. reels, spindles, bobbins, cop tubes, cans, mandrels or chucks
- B65H75/34—Cores, formers, supports, or holders for coiled, wound, or folded material, e.g. reels, spindles, bobbins, cop tubes, cans, mandrels or chucks specially adapted or mounted for storing and repeatedly paying-out and re-storing lengths of material provided for particular purposes, e.g. anchored hoses, power cables
- B65H75/38—Cores, formers, supports, or holders for coiled, wound, or folded material, e.g. reels, spindles, bobbins, cop tubes, cans, mandrels or chucks specially adapted or mounted for storing and repeatedly paying-out and re-storing lengths of material provided for particular purposes, e.g. anchored hoses, power cables involving the use of a core or former internal to, and supporting, a stored package of material
- B65H75/44—Constructional details
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F27/00—Details of transformers or inductances, in general
- H01F27/28—Coils; Windings; Conductive connections
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F27/00—Details of transformers or inductances, in general
- H01F27/28—Coils; Windings; Conductive connections
- H01F27/2823—Wires
- H01F27/2828—Construction of conductive connections, of leads
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F27/00—Details of transformers or inductances, in general
- H01F27/40—Structural association with built-in electric component, e.g. fuse
- H01F27/402—Association of measuring or protective means
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F38/00—Adaptations of transformers or inductances for specific applications or functions
- H01F38/20—Instruments transformers
- H01F38/22—Instruments transformers for single phase ac
- H01F38/28—Current transformers
- H01F38/30—Constructions
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H2701/00—Handled material; Storage means
- B65H2701/30—Handled filamentary material
- B65H2701/34—Handled filamentary material electric cords or electric power cables
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Burglar Alarm Systems (AREA)
Abstract
The utility model discloses an electricity larceny prevention adjustable three-phase current transformer, which comprises a shell and a receiving unit arranged on the shell, wherein an electricity larceny prevention component is arranged on the shell, a lead unit is arranged in the receiving unit, and when electricity larceny is performed, the electricity larceny prevention component cuts off the electric power of a circuit in the shell, and the electric power is transmitted to external equipment through the lead unit; the winding device comprises a wire unit, a passive winding mechanism and a winding mechanism, wherein the wire unit is used for winding the wire unit and comprises a first wire and a second wire, and one end of the first wire is connected with a first conductive ring. The circuit in the casing is detected through the electricity larceny prevention component, when the electricity larceny condition occurs, the electricity larceny prevention component controls the corresponding circuit in the casing to be powered off, normal power supply is carried out through connection of the lead unit in the receiving unit and equipment, and when the receiving unit needs to carry out position adjustment, the driven winding mechanism is driven to work through the gear set, and the length of the first lead when the receiving unit moves is correspondingly adjusted.
Description
Technical Field
The utility model relates to the technical field of current transformer equipment, in particular to an adjustable three-phase current transformer capable of avoiding fraudulent use of electricity.
Background
The three-phase current transformer is an electrical device for transforming high current in a conversion circuit into standard current, is a voltage transformer based on the electromagnetic induction principle, and is used for transforming high voltage current into relatively smaller current so as to protect and measure a power system; the main categories are two: an iron core current transformer and a hollow current transformer. The iron core current transformer is a transformer with high sensitivity and precision and is used for accurately measuring parameters such as current, voltage, power and the like; hollow current transformers are widely used for protection and monitoring of power systems due to their low cost and ease of installation.
The application number is as follows: 202121465569.7A Chinese patent utility model entitled anti-electricity-theft adjustable three-phase current transformer discloses an anti-electricity-theft adjustable three-phase current transformer, which comprises a current transformer main body, a stable supporting plate, a current transformer end and an insulating supporting rod, wherein the stable supporting plate is arranged above the current transformer main body, the insulating supporting rod is fixedly arranged on the inner side of the stable supporting plate, the current transformer end is fixedly arranged on the top of the insulating supporting rod, and a power connector is arranged on the top of the current transformer main body. The utility model solves the problems that a large amount of electricity is stolen when the current transformer is used and a large amount of electric energy is lost if no electricity larceny prevention device is arranged by the aid of the baffle fixing rod, the electricity larceny prevention device and the electricity baffle wire, and the current transformer can prevent electricity from being stolen through the electricity larceny prevention structure when the current transformer is used, so that the service efficiency of the current transformer is improved.
However, in actual use, when a user finds that electricity is stolen on the power transmission line, the power of the power output is increased, and the power is lost, for example, the power transmission line is not supplied to external equipment, so that equipment is affected, and a certain defect exists even if the power output is overlarge through arranging the electricity-stealing discharging device on the three-phase current transformer.
Disclosure of Invention
The utility model aims to provide an adjustable three-phase current transformer capable of avoiding fraudulent use of electricity, which solves the defects in the prior art.
In order to achieve the above object, the present utility model provides the following technical solutions: the utility model provides an anti-electricity-theft adjustable three-phase current transformer, includes the casing and sets up the accepting unit on the casing, be provided with anti-electricity-theft subassembly on the casing, be provided with the wire unit in accepting the unit, during steal electric, the electric power of circuit in the casing is cut off to anti-electricity-theft subassembly, and electric power passes through the wire unit and transmits to external equipment; the device comprises a wire unit, a passive winding mechanism and a winding mechanism, wherein the wire unit is used for winding the wire unit and comprises a first wire and a second wire, one end of the first wire is connected with a first conductive ring, one end of the second wire is connected with a second conductive ring, and the second conductive ring is rotationally connected to the first conductive ring; the passive winding mechanism comprises a second winding roller rotatably connected in the bearing unit, the first wire is wound on the second winding roller, and the first conductive ring is fixed on the second winding roller; when the receiving unit moves, the driven winding mechanism is driven to work through the gear set so as to adjust the length of the first lead; the gear set comprises a connecting rod and a gear rod which are rotatably connected to the bearing unit, a first gear is arranged on the connecting rod, a second gear is arranged on the gear rod, and the first gear is meshed with the second gear; the shell is provided with a first toothed plate and a second toothed plate, the first toothed plate is meshed with the first gear, and the second toothed plate is meshed with the second gear; the connecting rod is provided with a first bevel gear, the second winding roller is provided with a second bevel gear, and the first bevel gear is meshed with the second bevel gear.
Further, the electricity larceny prevention assembly comprises an electricity larceny prevention barrier arranged on the shell through a plurality of support rods, and a warning lamp connected with the electricity larceny prevention barrier is arranged on the shell.
Further, an active winding mechanism is arranged in the receiving unit and comprises a driving motor, a first winding roller is arranged between the output end of the driving motor and the receiving unit, a third wire is wound on the first winding roller, and the third wire is connected with the second wire; the rotary assembly comprises a fixed disc arranged on the first winding roller, and a coil spring is arranged between the fixed disc and the first winding roller.
Further, a limiting assembly is arranged on the first winding roller and comprises a ratchet wheel arranged on the first winding roller, and a ratchet rod is connected in the receiving unit in a sliding manner; an unlocking unit for driving the ratchet rod to move is further arranged in the bearing unit.
Further, the unlocking unit comprises a cross frame which is rotatably connected in the bearing unit, a first moving plate and a second moving plate are arranged on the cross frame, and the first moving plate is connected with the ratchet rod; the second movable plate is provided with a push rod, the push rod is provided with a push plate, and a first spring is arranged between the push plate and the second movable plate.
Further, a guide assembly is arranged in the bearing unit and is in transmission connection with the first winding roller through a transmission unit.
Further, the guide assembly comprises a reciprocating screw rod rotatably connected in the bearing unit, and a limit frame is connected to the reciprocating screw rod in a threaded manner; and the limiting frame is connected to the limiting rod in a sliding manner.
Further, the transmission unit comprises a third gear arranged on the reciprocating screw rod, a fourth gear is arranged on the first winding roller, and the third gear is meshed with the fourth gear.
Further, a positioning assembly is arranged on the bearing unit and comprises a positioning rod which is connected in the bearing unit in a sliding manner, a pull plate is arranged on the positioning rod, and a second spring is arranged between the pull plate and the bearing unit; the shell is provided with a plurality of positioning holes, and the elastic force of the second spring drives the positioning rod to be matched with the positioning holes in a clamping way.
Further, be provided with spacing subassembly on the casing, spacing subassembly is including seting up the spacing groove on the casing, be provided with the dead lever on the accepting the unit, dead lever sliding connection is in the spacing groove.
In the technical scheme, the adjustable three-phase current transformer capable of avoiding fraudulent use of electricity has the beneficial effects that: this anti-electricity-theft adjustable three-phase current transformer through setting up the casing, accept unit, anti-electricity-theft subassembly, wire unit, passive winding mechanism and the gear train between mutually supporting, detects the circuit in the casing through anti-electricity-theft subassembly, when the condition of stealing electricity appears, the corresponding circuit outage in anti-electricity-theft subassembly control casing, is connected with equipment through wire unit in accepting the unit and supplies power normally, when accepting the unit needs to carry out position adjustment, order about passive winding mechanism work through the gear train, carries out corresponding adjustment to the first wire length when accepting the unit removal.
Drawings
In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings that are needed in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments described in the present utility model, and other drawings may be obtained according to these drawings for a person having ordinary skill in the art.
FIG. 1 is a schematic diagram of an overall structure according to an embodiment of the present utility model;
fig. 2 is a schematic diagram of a housing structure according to an embodiment of the present utility model;
FIG. 3 is a schematic view of a receiving unit according to an embodiment of the present utility model;
FIG. 4 is a schematic structural diagram of a passive winding mechanism according to an embodiment of the present utility model;
FIG. 5 is another view of the structure of the passive winding mechanism according to the embodiment of the present utility model;
FIG. 6 is a schematic diagram of a connection structure between a limiting assembly and an unlocking unit according to an embodiment of the present utility model;
fig. 7 is a schematic structural diagram of a structural positioning component according to an embodiment of the present utility model.
Reference numerals illustrate:
1. a housing; 2. a receiving unit; 301. a first wire; 302. a second wire; 303. a first conductive ring; 304. a second conductive ring; 305. a third wire; 401. a driving motor; 402. a first wire winding roller; 5. a second wire winding roller; 601. a connecting rod; 602. a gear lever; 603. a first gear; 604. a second gear; 605. a first toothed plate; 606. a second toothed plate; 607. a first bevel gear; 608. a second bevel gear; 701. a support rod; 702. an anti-electricity-theft barrier; 703. a warning light; 801. a fixed plate; 802. a coil spring; 901. a ratchet wheel; 902. a ratchet rod; 101. a cross frame; 102. a first moving plate; 103. a second moving plate; 104. a push rod; 105. a push plate; 106. a first spring; 111. a reciprocating screw rod; 112. a limit frame; 113. a limit rod; 121. a third gear; 122. a fourth gear; 131. a positioning rod; 132. pulling a plate; 133. a second spring; 134. positioning holes; 141. a limit groove; 142. and a fixing rod.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present disclosure more apparent, the technical solutions of the embodiments of the present disclosure will be clearly and completely described below with reference to the accompanying drawings of the embodiments of the present disclosure. It will be apparent that the described embodiments are some, but not all, of the embodiments of the present disclosure. All other embodiments, which can be made by one of ordinary skill in the art without the need for inventive faculty, are within the scope of the present disclosure, based on the described embodiments of the present disclosure.
Referring to fig. 1-7, an adjustable three-phase current transformer capable of preventing electricity theft comprises a shell 1 and a receiving unit 2 arranged on the shell 1, wherein an electricity theft prevention component is arranged on the shell 1, a lead unit is arranged in the receiving unit 2, and when electricity theft occurs, the electricity theft prevention component cuts off the electric power of a circuit in the shell 1, and the electric power is transmitted to external equipment through the lead unit; the device further comprises a passive winding mechanism, wherein the passive winding mechanism is used for winding a wire unit, the wire unit comprises a first wire 301 and a second wire 302, one end of the first wire 301 is connected with a first conductive ring 303, one end of the second wire 302 is connected with a second conductive ring 304, and the second conductive ring 304 is rotatably connected to the first conductive ring 303; the passive winding mechanism comprises a second winding roller 5 rotatably connected in the receiving unit 2, the first conducting wire 301 is wound on the second winding roller 5, and the first conducting ring 303 is fixed on the second winding roller 5; when the carrying unit 2 moves, the driven winding mechanism is driven to work through the gear set so as to adjust the length of the first conducting wire 301; the gear set comprises a connecting rod 601 and a gear rod 602 which are rotatably connected to the bearing unit 2, a first gear 603 is arranged on the connecting rod 601, a second gear 604 is arranged on the gear rod 602, and the first gear 603 is meshed with the second gear 604; the casing 1 is provided with a first toothed plate 605 and a second toothed plate 606, the first toothed plate 605 is meshed with the first gear 603, and the second toothed plate 606 is meshed with the second gear 604; the connecting rod 601 is provided with a first bevel gear 607, the second winding roller 5 is provided with a second bevel gear 608, and the first bevel gear 607 is meshed with the second bevel gear 608.
The anti-electricity-theft adjustable three-phase current transformer comprises a shell 1 and a bearing unit 2 arranged on the shell 1, wherein the shell 1 and the bearing unit 2 are all current transformer devices, the shell 1 is a three-phase current transformer, a cable transmits electric energy on a power supply to external devices for use through the three-phase current transformer, the bearing unit 2 is a single-hole current transformer, an anti-electricity-theft component is arranged on the shell 1, a lead unit is arranged in the bearing unit 2 and is used for carrying out current transmission, the lead unit is fixed in the bearing unit 2, the lead unit is connected with a power supply through the bearing unit 2, when electricity is stolen, the anti-electricity-theft component cuts off electric power of a circuit in the shell 1, the electric power is transmitted to external devices through the lead unit, when the electricity stealing condition occurs on the circuit in the shell 1, the anti-electricity-theft component cuts off the electric power circulation on the circuit, the circuit can perform functions on the devices communicated with the circuit, when a technician finds out the condition, the equipment also needs to search and overhaul at the electricity stealing position on the circuit, the circuit can perform power supply by using the lead unit, and the equipment can normally not be influenced by the overhaul for a long time; the device further comprises a passive winding mechanism, wherein the passive winding mechanism is used for winding a lead unit, the lead unit comprises a first lead 301 and a second lead 302, one end of the first lead 301 is connected with a first conductive ring 303, one end of the second lead 302 is connected with a second conductive ring 304, the second conductive ring 304 is rotationally connected to the first conductive ring 303, and the first conductive ring 303 and the second conductive ring 304 are all existing devices, and are not described in detail herein; the passive winding mechanism comprises a second winding roller 5 rotatably connected in the receiving unit 2, the first wire 301 is wound on the second winding roller 5, and the first conductive ring 303 and the second conductive ring 304 are arranged, so that the second winding roller 5 can not influence the second wire 302 when driving the first wire 301 to wind; when the carrying unit 2 moves, the driven winding mechanism is driven to work through the gear set to adjust the length of the first wire 301, when the distance between the carrying unit 2 and the power supply is changed, the first wire 301 connected between the carrying unit 2 and the power supply is stretched or piled up, and when the carrying unit 2 moves on the shell 1 through the cooperation of the gear set, the first wire 301 can be kept in a tight state all the time, and the problem of easy disconnection due to overtightening or the situation of easy winding due to overlong can not occur; the gear set comprises a connecting rod 601 and a gear rod 602 which are rotatably connected to the bearing unit 2, a first gear 603 is arranged on the connecting rod 601, a second gear 604 is arranged on the gear rod 602, and the first gear 603 is meshed with the second gear 604; the shell 1 is provided with a first toothed plate 605 and a second toothed plate 606, the first toothed plate 605 and the second toothed plate 606 are respectively arranged at two sides of the shell 1, the first toothed plate 605 is meshed with the first gear 603, and the second toothed plate 606 is meshed with the second gear 604; the connecting rod 601 is provided with a first bevel gear 607, the second winding roller 5 is provided with a second bevel gear 608, the first bevel gear 607 is meshed with the second bevel gear 608, when the receiving unit 2 is adjusted to the side of the first toothed plate 605, the first gear 603 is contacted with the second toothed plate 606, the second gear 604 is not contacted with the second toothed plate 606, the connecting rod 601 is driven to rotate through the first gear 603, the connecting rod 601 rotates to drive the second winding roller 5 to retract and release one end of the first wire 301 through the cooperation of the first bevel gear 607 and the second bevel gear 608, when the receiving unit 2 is adjusted to the side of the second toothed plate 606, the first gear 603 is not contacted with the first toothed plate 605, the second gear 604 is contacted with the second toothed plate 606, and simultaneously, the second gear 604 rotates and is meshed with the first gear 603 to synchronously rotate, and the connecting rod 601 continues to rotate at the moment, so that the first wire 301 is adjusted to ensure the regularity of the first wire 301.
In a further provided embodiment of the present utility model, the electricity larceny prevention assembly includes an electricity larceny prevention barrier 702 provided on the housing 1 through a plurality of support bars 701; the shell 1 is provided with a warning lamp 703 connected with an anti-electricity-theft barrier 702.
Preferably, the electricity larceny prevention assembly includes an electricity larceny prevention barrier 702 provided on the housing 1 through a plurality of support bars 701; the anti-electricity-theft barrier 702 can observe the power of electric power output, and when electric power output is too big, the anti-electricity-theft barrier 702 will close automatically, and the output of isolated electric power avoids the loss of electric energy, is provided with the warning light 703 of being connected with anti-electricity-theft barrier 702 on the casing 1, and when the electric current on the circuit was cut off, corresponding warning light 703 was lighted, and the convenience detects that the circuit has appeared stealing the electric condition that personnel can be quick judgement.
In a further provided embodiment of the present utility model, an active winding mechanism is disposed in the receiving unit 2, the active winding mechanism includes a driving motor 401, a first winding roller 402 is disposed between an output end of the driving motor 401 and the receiving unit 2, a third wire 305 is wound on the first winding roller 402, and the third wire 305 is connected with the second wire 302; the first winding roller 402 is provided with a turning assembly, the turning assembly comprises a fixed disk 801 arranged on the first winding roller 402, and a coil spring 802 is arranged between the fixed disk 801 and the first winding roller 402.
Preferably, an active winding mechanism is arranged in the receiving unit 2, the bottom of the wire unit can be wound through the active winding mechanism, the situation that electricity is stolen on the wire unit is avoided when the wire unit is not used, the active winding mechanism comprises a driving motor 401, the driving motor 401 is connected with an external power supply and a control switch, when a warning lamp 703 is lightened, the driving motor 401 synchronously works, a first wire winding roller 402 is arranged between the output end of the driving motor 401 and the receiving unit 2, a third wire 305 is wound on the first wire winding roller 402, the third wire 305 is connected with the second wire 302, the way that the third wire 305 is wound on the first wire winding roller 402 is the same as the way that the first wire 301 is wound on the second wire winding roller 5, the way that the third wire 305 is connected with the second wire 302 is consistent with the way that the first wire 301 is connected with the second wire 302, and excessive redundancy is not needed, the first wire winding roller 402 is driven to rotate through the driving motor 401, the first wire winding roller 402 is driven to rotate, and the third wire 305 is released from the first wire winding roller 402, and the third wire is connected with the third wire 305 to the power supply equipment normally; the first winding roller 402 is provided with a rotation component, the rotation component comprises a fixed disk 801 arranged on the first winding roller 402, a coil spring 802 is arranged between the fixed disk 801 and the first winding roller 402, the first winding roller 402 is driven to rotate through a driving motor 401, the fixed disk 801 is driven to synchronously rotate, so that the coil spring 802 deforms, when the force driving the first winding roller 402 to rotate disappears, the restoring force of the coil spring 802 can drive the first winding roller 402 to rotate reversely, and accordingly the released third lead 305 can be recovered, and the use is more convenient.
In a further embodiment of the present utility model, a limiting assembly is disposed on the first winding roller 402, and the limiting assembly includes a ratchet 901 disposed on the first winding roller 402, and a ratchet rod 902 is slidably connected in the receiving unit 2; an unlocking unit for driving the movement of the ratchet bar 902 is also provided in the receiving unit 2.
Preferably, the first winding roller 402 is provided with a limiting assembly, the limiting assembly comprises a ratchet 901 arranged on the first winding roller 402, and the ratchet rod 902 is slidingly connected in the bearing unit 2; the carrying unit 2 is further provided with an unlocking unit for driving the ratchet rod 902 to move, the ratchet rod 902 is arranged to be abutted against the ratchet 901, the rotation direction of the first wire winding roller 402 can be limited, the limitation of the ratchet rod 902 on the ratchet 901 can be relieved through the unlocking unit, at the moment, the coil spring 802 returns to drive the first wire winding roller 402 to rotate reversely, and the released third wire 305 is automatically wound.
In a further provided embodiment of the present utility model, the unlocking unit includes a cross frame 101 rotatably connected to the receiving unit 2, and the cross frame 101 is provided with a first moving plate 102 and a second moving plate 103, and the first moving plate 102 is connected to the ratchet 902; the second moving plate 103 is provided with a push rod 104, the push rod 104 is provided with a push plate 105, and a first spring 106 is arranged between the push plate 105 and the second moving plate 103.
Preferably, the unlocking unit comprises a cross frame 101 rotatably connected in the receiving unit 2, the cross frame 101 is provided with a first moving plate 102 and a second moving plate 103, the cross frame 101 is rotatably connected between the first moving plate 102 and the second moving plate 103, four vertexes at two ends of the cross frame 101 are respectively provided with blocks, the four blocks respectively slide between the first moving plate 102 and the second moving plate 103, so that the first moving plate 102 can drive the second moving plate 103 at the other side to synchronously move in opposite directions by matching with the cross frame 101 after moving, and the first moving plate 102 is connected with the ratchet rod 902; the second movable plate 103 is provided with a push rod 104, the push rod 104 is provided with a push plate 105, a first spring 106 is arranged between the push plate 105 and the second movable plate 103, the push plate 105 is arranged to facilitate pushing the push rod 104 to move, and when the first spring 106 is in a free state, the ratchet rod 902 is elastically abutted on the ratchet 901 through the second movable plate 103, the cross frame 101 and the first movable plate 102 to limit the ratchet.
In a further embodiment of the utility model, a guiding assembly is arranged in the receiving unit 2, which guiding assembly is in driving connection with the first winding roller 402 via a driving unit.
Preferably, the guide assembly is arranged in the receiving unit 2, and is mainly used for guiding the wire unit, so that the wire unit can be uniformly wound on the first winding roller 402, the guide assembly is in transmission connection with the first winding roller 402 through the transmission unit, and the first winding roller 402 can be driven to synchronously work while rotating through the transmission unit, so that the use of a driving source can be reduced, and the purpose of saving energy is achieved.
In a further provided embodiment of the present utility model, the guiding assembly includes a reciprocating screw 111 rotatably connected to the receiving unit 2, and a limiting frame 112 is screwed to the reciprocating screw 111; a limiting rod 113 is fixedly connected in the bearing unit 2, and the limiting frame 112 is slidably connected to the limiting rod 113.
Preferably, the guiding assembly comprises a reciprocating screw rod 111 rotatably connected in the bearing unit 2, and a limit frame 112 is connected to the reciprocating screw rod 111 in a threaded manner; the limiting frame 112 is slidably connected to the limiting rod 113, a threaded groove matched with the reciprocating screw rod 111 is formed in the limiting frame 112, the limiting frame 112 can be driven to move back and forth on the reciprocating screw rod 111 through rotation of the reciprocating screw rod 111, and the limiting frame 112 can be limited in movement through the limiting rod 113, so that the limiting frame 112 can only move back and forth and does not rotate along with the reciprocating screw rod 111.
In a further provided embodiment of the present utility model, the transmission unit includes a third gear 121 provided on the reciprocating screw 111, and a fourth gear 122 is provided on the first winding roller 402, and the third gear 121 is engaged with the fourth gear 122.
Preferably, the transmission unit includes a third gear 121 disposed on the reciprocating screw 111, a fourth gear 122 is disposed on the first winding roller 402, the third gear 121 is meshed with the fourth gear 122, and by setting the third gear 121 to cooperate with the fourth gear 122, the reciprocating screw 111 can be driven to synchronously rotate while the first winding roller 402 rotates, so as to guide the wire unit.
In a further provided embodiment of the present utility model, a positioning assembly is disposed on the receiving unit 2, the positioning assembly includes a positioning rod 131 slidably connected in the receiving unit 2, a pull plate 132 is disposed on the positioning rod 131, and a second spring 133 is disposed between the pull plate 132 and the receiving unit 2; the casing 1 is provided with a plurality of positioning holes 134, and the elastic force of the second spring 133 drives the positioning rod 131 to be in clamping fit with the positioning holes 134.
Preferably, the receiving unit 2 is provided with a positioning assembly, the positioning assembly comprises a positioning rod 131 which is slidably connected in the receiving unit 2, a groove for the positioning rod 131 to move is formed in the receiving unit 2, a pull plate 132 is arranged on the positioning rod 131, the positioning rod 131 in the receiving unit 2 is conveniently pulled to move by arranging the pull plate 132, and a second spring 133 is arranged between the pull plate 132 and the receiving unit 2; be provided with a plurality of locating holes 134 on the casing 1, the elasticity of second spring 133 orders about locating lever 131 and locating hole 134 joint cooperation, through locating lever 131 and locating hole 134 joint, can be with accepting unit 2 fixed somewhere on casing 1, through setting up a plurality of locating holes 134, will accept unit 2 and adjust to different positions department and fix, be convenient for adapt to different installation scenes.
In a further embodiment of the present utility model, a limiting component is disposed on the housing 1, the limiting component includes a limiting slot 141 formed on the housing 1, a fixing rod 142 is disposed on the receiving unit 2, and the fixing rod 142 is slidably connected in the limiting slot 141.
Preferably, the shell 1 is provided with a limiting component, the limiting component comprises a limiting groove 141 formed in the shell 1, the receiving unit 2 is provided with a fixing rod 142, the fixing rod 142 is slidably connected in the limiting groove 141, and the adjusting position of the receiving unit 2 can be limited by the limiting groove 141 and the fixing rod 142.
Working principle: when the bearing unit 2 on the shell 1 needs to be subjected to position adjustment in operation, the locating rod 131 can be driven to move and separate from the locating hole 134 by pulling the pull plate 132 on the bearing unit 2, the bearing unit 2 is adjusted and moved to a proper position at the moment, when the bearing unit 2 moves to the side of the first toothed plate 605, the first gear 603 on the connecting rod 601 in the bearing unit 2 is contacted with the first toothed plate 605, so that the bearing unit 2 drives the first gear 603 to rotate while moving, the first gear 603 rotates to drive the connecting rod 601 to rotate, the connecting rod 601 rotates to drive the second wire winding roller 5 in the bearing unit 2 to rotate through the cooperation of the first bevel gear 607 and the second bevel gear 608, the second wire winding roller 5 rotates to retract the first wire 301 so as to ensure that the first wire 301 is orderly connected with a power supply, the first conductive ring 303 connected with one end of the first conductive wire 301 rotates along with the rotation of the second winding roller 5, at this time, the first conductive ring 303 rotates in the second conductive ring 304, and the second conductive ring 304 does not rotate, so that the first conductive wire 301 is not influenced by the second conductive wire 302 when being wound and unwound, and when the carrying unit 2 is adjusted to one side of the second toothed plate 606, at this time, the second gear 604 on the carrying unit 2 contacts with the second toothed plate 606, and the movement of the carrying unit 2 can drive the second gear 604 to rotate, the second gear 604 rotates to engage the first gear 603 to synchronously rotate, and the second winding roller 5 rotates to realize the winding and unwinding operation on one end of the first conductive wire 301 through the cooperation of the connecting rod 601, the first bevel gear 607 and the second bevel gear 608;
the circuit in the shell 1 and the wire unit on the receiving unit 2 are communicated with the power supply equipment, wherein the circuit in the shell 1 is communicated with the electricity larceny prevention barrier 702 and then is connected with the power supply equipment, the electricity larceny prevention barrier 702 can monitor the circuit when the electricity larceny occurs on a certain circuit, the electricity transmitted on the circuit is overlarge, at the moment, the electricity larceny prevention barrier 702 is automatically closed to isolate the output of the electricity, the electricity larceny prevention barrier 702 is closed, and meanwhile, the corresponding warning lamp 703 is lightened, at the moment, the driving motor 401 in the receiving unit 2 is electrified, the driving motor 401 drives the first wire winding roller 402 to rotate, the first wire winding roller 402 rotates to discharge the third wire 305, the third wire 305 is connected with the equipment after being discharged, and supplies power to the equipment, so that the equipment can normally operate, the first wire winding roller 402 rotates to drive the fixed disc 801 to synchronously rotate, the coil spring 802 is deformed, and the first wire winding roller 402 rotates to drive the ratchet 901 to synchronously rotate, at the moment, the ratchet bar 902 is elastically abutted against the ratchet 901;
when the first winding roller 402 stops rotating, the ratchet rod 902 limits the ratchet 901, so that the coil spring 802 cannot reset until the problem of electricity stealing on a circuit is relieved, when the circuit is in normal power supply operation, the push plate 105 can push the second moving plate 103 to move through the push rod 104 by pushing the push plate 105 on the receiving unit 2, the second moving plate 103 moves to push the cross frame 101 to rotate, the first moving plate 102 connected with the other side is driven to synchronously move in opposite directions, the ratchet rod 902 can be pulled to move through the movement of the first moving plate 102, the limit with the ratchet 901 can be relieved through the movement of the ratchet rod 902, the restoring force of the coil spring 802 drives the first winding roller 402 to rotate reversely, the released third wire 305 is retracted, the first winding roller 402 rotates, the reciprocating screw 111 is driven to synchronously rotate through the third gear 121 on the fourth gear 122, the reciprocating screw 111 is driven to move the limit frame 112 by rotating the reciprocating screw 111, and the wound third wire 305 can be guided, and the third wire 305 can be uniformly wound on the first winding roller 402.
It should be noted that the electric equipment in the present application can be powered by a storage battery or an external power supply.
While certain exemplary embodiments of the present utility model have been described above by way of illustration only, it will be apparent to those of ordinary skill in the art that modifications may be made to the described embodiments in various different ways without departing from the spirit and scope of the utility model. Accordingly, the drawings and description are to be regarded as illustrative in nature and not as restrictive of the scope of the utility model, which is defined by the appended claims.
Claims (10)
1. The utility model provides a three-phase current transformer with adjustable anti-electricity-theft, includes casing (1) and sets up accepting unit (2) on casing (1), be provided with anti-electricity-theft subassembly on casing (1), be provided with wire unit in accepting unit (2), its characterized in that:
when electricity is stolen, the electricity larceny prevention component cuts off the electric power of the circuit in the shell (1), and the electric power is transmitted to external equipment through the lead unit;
the wire winding device comprises a wire winding unit, and is characterized by further comprising a passive winding mechanism, wherein the wire winding mechanism is used for winding the wire unit, the wire unit comprises a first wire (301) and a second wire (302), one end of the first wire (301) is connected with a first conductive ring (303), one end of the second wire (302) is connected with a second conductive ring (304), and the second conductive ring (304) is rotationally connected to the first conductive ring (303);
the passive winding mechanism comprises a second winding roller (5) rotatably connected in the bearing unit (2), the first conducting wire (301) is wound on the second winding roller (5), and the first conducting ring (303) is fixed on the second winding roller (5);
when the carrying unit (2) moves, the driven winding mechanism is driven to work through the gear set so as to adjust the length of the first lead (301);
the gear set comprises a connecting rod (601) and a gear rod (602), wherein the connecting rod (601) is rotatably connected to the bearing unit (2), a first gear (603) is arranged on the connecting rod (601), a second gear (604) is arranged on the gear rod (602), and the first gear (603) is meshed with the second gear (604);
a first toothed plate (605) and a second toothed plate (606) are arranged on the shell (1), the first toothed plate (605) is meshed with the first gear (603), and the second toothed plate (606) is meshed with the second gear (604);
a first bevel gear (607) is arranged on the connecting rod (601), a second bevel gear (608) is arranged on the second winding roller (5), and the first bevel gear (607) is meshed with the second bevel gear (608).
2. An electricity larceny adjustable three-phase current transformer as claimed in claim 1, wherein the electricity larceny assembly comprises an electricity larceny blocker (702) arranged on a housing (1) through a plurality of support rods (701), and a warning lamp (703) connected with the electricity larceny blocker (702) is arranged on the housing (1).
3. An electricity larceny prevention adjustable three-phase current transformer according to claim 1, characterized in that an active winding mechanism is arranged in the receiving unit (2), the active winding mechanism comprises a driving motor (401), a first winding roller (402) is arranged between the output end of the driving motor (401) and the receiving unit (2), a third wire (305) is wound on the first winding roller (402), and the third wire (305) is connected with the second wire (302);
the rotary assembly is arranged on the first winding roller (402) and comprises a fixed disc (801) arranged on the first winding roller (402), and a coil spring (802) is arranged between the fixed disc (801) and the first winding roller (402).
4. An electricity larceny prevention adjustable three-phase current transformer as claimed in claim 3, wherein a limiting component is arranged on the first winding roller (402), the limiting component comprises a ratchet wheel (901) arranged on the first winding roller (402), and a ratchet rod (902) is slidingly connected in the receiving unit (2);
an unlocking unit for driving the ratchet rod (902) to move is further arranged in the bearing unit (2).
5. The electricity larceny prevention adjustable three-phase current transformer according to claim 4, wherein the unlocking unit comprises a cross frame (101) rotatably connected in the receiving unit (2), a first moving plate (102) and a second moving plate (103) are arranged on the cross frame (101), and the first moving plate (102) is connected with a ratchet rod (902);
the pushing device is characterized in that a pushing rod (104) is arranged on the second moving plate (103), a pushing plate (105) is arranged on the pushing rod (104), and a first spring (106) is arranged between the pushing plate (105) and the second moving plate (103).
6. A three-phase current transformer with adjustable anti-theft according to claim 3, characterized in that the receiving unit (2) is provided with a guiding assembly, which guiding assembly is in driving connection with the first winding roller (402) via a driving unit.
7. An electricity larceny prevention adjustable three-phase current transformer according to claim 6, characterized in that the guiding assembly comprises a reciprocating screw rod (111) rotatably connected in the receiving unit (2), and a limit frame (112) is connected on the reciprocating screw rod (111) in a threaded manner;
and a limiting rod (113) is fixedly connected in the bearing unit (2), and the limiting frame (112) is slidably connected to the limiting rod (113).
8. An electricity larceny prevention adjustable three-phase current transformer as claimed in claim 7, wherein the transmission unit comprises a third gear (121) arranged on a reciprocating screw (111), a fourth gear (122) is arranged on the first winding roller (402), and the third gear (121) is meshed with the fourth gear (122).
9. An electricity larceny prevention adjustable three-phase current transformer according to claim 1, characterized in that a positioning component is arranged on the receiving unit (2), the positioning component comprises a positioning rod (131) which is connected in the receiving unit (2) in a sliding way, a pull plate (132) is arranged on the positioning rod (131), and a second spring (133) is arranged between the pull plate (132) and the receiving unit (2);
a plurality of positioning holes (134) are formed in the shell (1), and the elastic force of the second spring (133) drives the positioning rod (131) to be in clamping fit with the positioning holes (134).
10. An electricity larceny prevention adjustable three-phase current transformer as claimed in claim 1, wherein a limit component is arranged on the shell (1), the limit component comprises a limit groove (141) formed on the shell (1), a fixing rod (142) is arranged on the bearing unit (2), and the fixing rod (142) is slidably connected in the limit groove (141).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311442409.4A CN117497308B (en) | 2023-11-01 | 2023-11-01 | Three-phase current transformer with adjustable anti-electricity-theft |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311442409.4A CN117497308B (en) | 2023-11-01 | 2023-11-01 | Three-phase current transformer with adjustable anti-electricity-theft |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN117497308A true CN117497308A (en) | 2024-02-02 |
| CN117497308B CN117497308B (en) | 2024-05-28 |
Family
ID=89679427
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202311442409.4A Active CN117497308B (en) | 2023-11-01 | 2023-11-01 | Three-phase current transformer with adjustable anti-electricity-theft |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN117497308B (en) |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5818345A (en) * | 1994-12-03 | 1998-10-06 | Icl Systems Ab | Theft protection for electrically-powered articles |
| CN203813535U (en) * | 2014-04-30 | 2014-09-03 | 国网上海市电力公司 | Power supply device used for electricity larceny prevention inspection device |
| CN205982369U (en) * | 2016-08-23 | 2017-02-22 | 国网山东省电力公司巨野县供电公司 | Electricity theft -preventing metering device |
| CN215417845U (en) * | 2021-06-30 | 2022-01-04 | 南通创途电子科技有限公司 | Adjustable three-phase current transformer capable of preventing electricity from being stolen |
| CN113964735A (en) * | 2021-10-16 | 2022-01-21 | 孔德妃 | Traction device for laying cable in communication pipeline and use method thereof |
| CN216403457U (en) * | 2021-12-20 | 2022-04-29 | 国网浙江省电力有限公司双创中心 | Wire take-up device and grounding resistance testing device |
| CN217148112U (en) * | 2022-04-08 | 2022-08-09 | 三门峡市消防救援支队 | Water hose coiling mechanism for fire safety |
| CN218069598U (en) * | 2022-06-15 | 2022-12-16 | 河南东润电业集团有限公司 | Current transformer anti-electricity-theft device |
-
2023
- 2023-11-01 CN CN202311442409.4A patent/CN117497308B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5818345A (en) * | 1994-12-03 | 1998-10-06 | Icl Systems Ab | Theft protection for electrically-powered articles |
| CN203813535U (en) * | 2014-04-30 | 2014-09-03 | 国网上海市电力公司 | Power supply device used for electricity larceny prevention inspection device |
| CN205982369U (en) * | 2016-08-23 | 2017-02-22 | 国网山东省电力公司巨野县供电公司 | Electricity theft -preventing metering device |
| CN215417845U (en) * | 2021-06-30 | 2022-01-04 | 南通创途电子科技有限公司 | Adjustable three-phase current transformer capable of preventing electricity from being stolen |
| CN113964735A (en) * | 2021-10-16 | 2022-01-21 | 孔德妃 | Traction device for laying cable in communication pipeline and use method thereof |
| CN216403457U (en) * | 2021-12-20 | 2022-04-29 | 国网浙江省电力有限公司双创中心 | Wire take-up device and grounding resistance testing device |
| CN217148112U (en) * | 2022-04-08 | 2022-08-09 | 三门峡市消防救援支队 | Water hose coiling mechanism for fire safety |
| CN218069598U (en) * | 2022-06-15 | 2022-12-16 | 河南东润电业集团有限公司 | Current transformer anti-electricity-theft device |
Non-Patent Citations (1)
| Title |
|---|
| 孙洪波 , 唐治德 , 李冀望: "《三相三元件有功电能表防窃电技术》", 《重庆大学学报》, vol. 25, no. 12, 31 December 2002 (2002-12-31), pages 87 - 90 * |
Also Published As
| Publication number | Publication date |
|---|---|
| CN117497308B (en) | 2024-05-28 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN117497308B (en) | Three-phase current transformer with adjustable anti-electricity-theft | |
| CN109587387B (en) | Substation power equipment monitoring system based on infrared detection | |
| CN109346965B (en) | High tension switchgear generating line earthing device | |
| CN115684848A (en) | High-precision detection device for zero value of insulator of power transmission line | |
| CN114910860A (en) | Device for checking wiring of high-voltage electric energy metering equipment | |
| CN209859817U (en) | Novel brake separating device | |
| CN112198457A (en) | Testing device for fuse insulating cylinder for ring main unit and using method thereof | |
| CN220604540U (en) | Special switching mechanism for small mobile emergency power supply equipment | |
| CN215453135U (en) | Monitoring type power distribution equipment | |
| CN216562678U (en) | Combined mutual inductor | |
| CN219779355U (en) | Grounding device of insulating arm vehicle | |
| CN215905602U (en) | Built-in kinking insulation board of electric automation equipment | |
| CN220399562U (en) | Electric power monitor based on little electric wire netting | |
| CN118130982A (en) | Portable electrical equipment safety test device | |
| CN116381303B (en) | Electric energy meter | |
| CN215005805U (en) | Grounding device of insulating bucket arm vehicle | |
| CN220896190U (en) | Terminal strip isolation warning device for electric secondary circuit maintenance | |
| CN116598897B (en) | Combined electrical control cabinet | |
| CN218995633U (en) | Fire control bus ground fault circuit detects auxiliary assembly | |
| CN117929814B (en) | High tension switchgear fault detection device | |
| CN211698082U (en) | Special termination of circuit breaker test | |
| CN220086624U (en) | Intelligent monitoring device for internal state of power distribution cabinet | |
| CN212773754U (en) | Cable trench protection early warning device of transformer substation | |
| CN212907378U (en) | Voltage transformer with operating power supply | |
| CN213181640U (en) | Cable insulation measuring rod of 35KV switch cabinet wiring cavity |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| TA01 | Transfer of patent application right |
Effective date of registration: 20240506 Address after: 461000 in Xuji smart grid industrial park, east of Weiwu Avenue and south of Shangji street, Xuchang City, Henan Province Applicant after: HENAN XUJI METERING Co.,Ltd. Country or region after: China Address before: Room 202, 2nd Floor, Building 1, No. 56 Weijingtang Road, Xihu Industrial Zone, Weitang Town, Xiangcheng District, Suzhou City, Jiangsu Province, 215100 Applicant before: Suzhou Ruilaite Electronic Technology Co.,Ltd. Country or region before: China |
|
| GR01 | Patent grant |