CN110600250A - Multifunctional combined current transformer device - Google Patents
Multifunctional combined current transformer device Download PDFInfo
- Publication number
- CN110600250A CN110600250A CN201910981923.2A CN201910981923A CN110600250A CN 110600250 A CN110600250 A CN 110600250A CN 201910981923 A CN201910981923 A CN 201910981923A CN 110600250 A CN110600250 A CN 110600250A
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- China
- Prior art keywords
- locking
- bus
- current transformer
- multifunctional combined
- combined current
- Prior art date
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- 238000001514 detection method Methods 0.000 claims abstract description 7
- 230000005611 electricity Effects 0.000 claims description 32
- 230000006835 compression Effects 0.000 claims description 5
- 238000007906 compression Methods 0.000 claims description 5
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 4
- 239000000741 silica gel Substances 0.000 claims description 4
- 229910002027 silica gel Inorganic materials 0.000 claims description 4
- 238000006073 displacement reaction Methods 0.000 claims description 3
- 230000000149 penetrating effect Effects 0.000 claims description 3
- 230000002093 peripheral effect Effects 0.000 claims description 3
- 230000006870 function Effects 0.000 abstract description 10
- 238000009529 body temperature measurement Methods 0.000 abstract description 6
- 238000005259 measurement Methods 0.000 abstract description 4
- 238000010586 diagram Methods 0.000 description 4
- 230000033228 biological regulation Effects 0.000 description 2
- 238000007689 inspection Methods 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 229910000881 Cu alloy Inorganic materials 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- DMFGNRRURHSENX-UHFFFAOYSA-N beryllium copper Chemical compound [Be].[Cu] DMFGNRRURHSENX-UHFFFAOYSA-N 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 230000005674 electromagnetic induction Effects 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000008447 perception Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
Classifications
-
- 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
- G01K1/14—Supports; Fastening devices; Arrangements for mounting thermometers in particular locations
-
- 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
-
- 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
-
- 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
- H01F27/08—Cooling; Ventilating
- H01F27/22—Cooling by heat conduction through solid or powdered fillings
-
- 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
- H01F27/40—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
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R4/00—Electrically-conductive connections between two or more conductive members in direct contact, i.e. touching one another; Means for effecting or maintaining such contact; Electrically-conductive connections having two or more spaced connecting locations for conductors and using contact members penetrating insulation
- H01R4/24—Connections using contact members penetrating or cutting insulation or cable strands
- H01R4/2404—Connections using contact members penetrating or cutting insulation or cable strands the contact members having teeth, prongs, pins or needles penetrating the insulation
- H01R4/2406—Connections using contact members penetrating or cutting insulation or cable strands the contact members having teeth, prongs, pins or needles penetrating the insulation having needles or pins
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R4/00—Electrically-conductive connections between two or more conductive members in direct contact, i.e. touching one another; Means for effecting or maintaining such contact; Electrically-conductive connections having two or more spaced connecting locations for conductors and using contact members penetrating insulation
- H01R4/24—Connections using contact members penetrating or cutting insulation or cable strands
- H01R4/2404—Connections using contact members penetrating or cutting insulation or cable strands the contact members having teeth, prongs, pins or needles penetrating the insulation
- H01R4/2408—Connections using contact members penetrating or cutting insulation or cable strands the contact members having teeth, prongs, pins or needles penetrating the insulation actuated by clamping screws
-
- 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
- H01F2027/406—Temperature sensor or protection
Abstract
The invention discloses a multifunctional combined current transformer device, which comprises a transformer body, wherein the center of the transformer body is provided with a detection hole for a bus to be detected to penetrate out, the transformer body is provided with a bus positioning device and a bus locking device which are positioned on two sides of the bus and on the same axis, the bus locking device is internally provided with a power taking device electrically connected with the bus, and the power taking device is connected with a voltage leading-out device and a temperature leading-out device; the current transformer is additionally provided with the functions of voltage sensing and online line temperature measurement on the basis of the current measurement function of the original current transformer; the sudden single-phase or multi-phase circuit power failure problem is sensed and processed in time; the overload condition of the line is indirectly and timely discovered through the online temperature measurement function, and the hidden danger is eliminated through timely detection and notification.
Description
Technical Field
The invention relates to a current transformer, in particular to a multifunctional combined current transformer device which can give consideration to voltage sensing and online line temperature measurement.
Background
The current transformer converts a primary side large numerical value current into a secondary current with a small numerical value through a certain transformation ratio by utilizing the electromagnetic induction principle, and is used for protection, measurement and the like. However, when the bus is powered off or overloaded to cause the cable heating problem, the common transformer cannot sense the problem, and the power failure or other safety problems caused by the problem are gradually valued by people.
Disclosure of Invention
The invention aims to solve the technical problem of providing a multifunctional combined current transformer device which can give consideration to voltage sensing and online line temperature measurement.
In order to solve the technical problems, the technical scheme of the invention is as follows: the utility model provides a many function combination formula current transformer device, includes the mutual-inductor body, the central authorities of mutual-inductor body are provided with the inspection hole that supplies the generating line that awaits measuring to wear out, install on the mutual-inductor body and be located generating line positioner and generating line locking device on the generating line both sides and being located the same axis, install in the generating line locking device with the device is got to the generating line electricity connection, it is connected with voltage eduction gear and temperature eduction gear to get the device.
As a preferred technical scheme, the bus positioning device comprises a bus positioning block, a bus positioning adjusting clamping groove is formed in the bus positioning block, and a positioning locking knob penetrating through the bus positioning adjusting clamping groove is connected to the mutual inductor body in a threaded manner; a positioning groove is formed in the end face, facing the bus, of the bus positioning block; and anti-skid grooves are arranged on the inner wall of the positioning groove.
As a preferred technical scheme, generating line locking device includes fixed mounting and is in locking seat on the mutual-inductor body, be provided with the locking hole in the locking seat, locking downthehole install with locking seat fixed connection's locking regulation seat, locking regulation seat internal thread installs the locking adjusting collar, the one end of locking adjusting collar is followed stretch out and be connected with the fore-set in the locking hole, the locking adjusting collar with install the axial stop device who prevents both to take place axial displacement between the fore-set, the other end of locking adjusting collar is followed stretch out and fixedly connected with compresses tightly the knob in the locking hole, the fore-set with compress tightly the knob and all have the cunning and go into the downthehole degree of freedom of locking.
As a preferred technical scheme, an arc-shaped pressing sheet matched with the bus is installed at one end, facing the bus, of the top column, the other end of the top column extends into the locking hole of the locking seat, and a guide sleeve sleeved above the locking seat is arranged on the top column.
As a preferred technical scheme, the axial limiting device comprises an axial limiting ring, the inner end of the axial limiting ring extends into the locking adjusting sleeve, the outer end of the axial limiting ring extends into the top column, and an opening convenient to assemble is formed in the axial limiting ring.
As a preferred technical scheme, one end of the compression knob, which is connected with the locking adjusting sleeve, extends into the locking hole, and the outer peripheral surface of the other end of the compression knob is provided with an anti-skidding convex rib.
As a preferred technical scheme, the electricity taking device comprises a temperature measuring sensor which is installed in the locking hole and fixedly connected with the locking seat, a needle sleeve is connected to the temperature measuring sensor through a thread, an electricity taking needle is installed on an internal thread in the needle sleeve, and an electricity taking tip of the electricity taking needle penetrates through the ejection column and is electrically connected with the bus; the other end of the electricity taking needle extends out of the needle sleeve and is connected with a tightening head.
As a preferred technical scheme, the temperature measuring sensor is used as the locking adjusting seat, and the needle sleeve is used as the locking adjusting sleeve.
As a preferable technical solution, the voltage leading-out device includes a voltage signal leading-out wire electrically connected to the temperature sensor.
As a preferred technical scheme, the temperature leading-out device comprises a temperature sensor connected with the temperature sensor, and the temperature sensor is connected with a temperature signal leading-out wire;
and heat-conducting silica gel is filled between the temperature sensor and the temperature sensor.
By adopting the technical scheme, the multifunctional combined current transformer device comprises a transformer body, wherein a detection hole for a bus to be detected to penetrate out is formed in the center of the transformer body, a bus positioning device and a bus locking device which are positioned on two sides of the bus and on the same axis are arranged on the transformer body, a power taking device electrically connected with the bus is arranged in the bus locking device, and the power taking device is connected with a voltage leading-out device and a temperature leading-out device; the current transformer is additionally provided with the functions of voltage sensing and online line temperature measurement on the basis of the current measurement function of the original current transformer; the sudden single-phase or multi-phase circuit power failure problem is sensed and processed in time; the overload condition of the line is indirectly and timely discovered through the online temperature measurement function, and the hidden danger is eliminated through timely detection and notification.
Drawings
The drawings are only for purposes of illustrating and explaining the present invention and are not to be construed as limiting the scope of the present invention. Wherein:
FIG. 1 is a schematic structural diagram of an embodiment of the present invention;
FIG. 2 is a schematic diagram of the internal structure of an embodiment of the present invention;
FIG. 3 is a cross-sectional view of an embodiment of the present invention;
FIG. 4 is a schematic structural diagram of a circular structure according to an embodiment of the present invention;
FIG. 5 is a schematic structural diagram of a square structure according to an embodiment of the present invention;
in the figure: 11-a transformer body; 12-a bus; 21-a bus positioning block; 22-bus positioning and adjusting clamping groove; 23-positioning the locking knob; 24-anti-slip grooves; 25-positioning connecting column; 31-a locking seat; 32-top post; 33-a compression knob; 34-arc tabletting; 35-a temperature sensor; 36-needle sheath; 37-a needle for taking electricity; 38-a tightening head; 39-a guide sleeve; 4-a temperature measuring sensor; 5-a removal tool; 6-axial limiting ring.
Detailed Description
The invention is further illustrated below with reference to the figures and examples. In the following detailed description, certain exemplary embodiments of the present invention are described by way of illustration only. Needless to say, a person skilled in the art realizes that the described embodiments can be modified in various different ways without departing from the spirit and scope of the present invention. Accordingly, the drawings and description are illustrative in nature and not intended to limit the scope of the claims.
As shown in fig. 1 and fig. 2, a many function combination formula current transformer device, including mutual-inductor body 11, mutual-inductor body 11's central authorities are provided with the inspection hole that supplies the generating line 12 that awaits measuring to wear out, install on the mutual-inductor body 11 and be located generating line positioner and generating line locking device on the generating line 12 both sides and be located the same axis, install in the generating line locking device with the electricity device is got to the generating line electricity connection, it is connected with voltage eduction gear and temperature eduction gear to get the electricity device.
The bus positioning device comprises a bus positioning block 21, a bus positioning adjusting clamping groove 22 is formed in the bus positioning block 21, and a positioning locking knob 23 penetrating through the bus positioning adjusting clamping groove 22 is connected to the mutual inductor body 11 in a threaded mode; and a positioning groove is formed in the end surface, facing the bus 12, of the bus positioning block 21. And anti-skid grooves 24 are arranged on the inner wall of the positioning groove. A positioning connecting column 25 matched with the positioning locking knob 23 is integrally formed on a shell of the mutual inductor body 11, and a screw hole in threaded fit with a connecting stud of the positioning locking knob 23 is formed in the positioning connecting column 25.
As shown in fig. 3, the bus locking device includes a locking seat 31 fixedly installed on the transformer body 11, a locking hole is formed in the locking seat 31, a locking adjusting seat fixedly connected with the locking seat 31 is installed in the locking hole, a locking adjusting sleeve is connected to the locking adjusting seat through a thread, one end of the locking adjusting sleeve extends out of the locking hole and is connected with a top post 32, an axial limiting device for preventing the locking adjusting sleeve and the top post 32 from axial displacement is installed between the locking adjusting sleeve and the top post 32, the other end of the locking adjusting sleeve extends out of the locking hole and is fixedly connected with a pressing knob 33, and both the top post 32 and the pressing knob 33 have freedom of sliding into the locking hole;
the electricity taking device comprises a temperature measuring sensor 35 which is arranged in the locking hole and fixedly connected with the locking seat 31, a needle sleeve 36 is in threaded connection with the temperature measuring sensor 35, an internal thread is arranged in the needle sleeve 36, an electricity taking needle 37 is arranged in the needle sleeve 36, and an electricity taking tip of the electricity taking needle 37 penetrates through the ejection column 32 and is electrically connected with the bus 12; the other end of the electricity taking needle 37 extends out of the needle sleeve 36 and is connected with a tightening head 38. The temperature sensor 35 is also used as the locking adjusting seat, and the needle sleeve 36 is also used as the locking adjusting sleeve.
An arc-shaped pressing sheet 34 matched with the bus 12 is installed at one end, facing the bus 12, of the top column 32, the other end of the top column 32 extends into the locking hole of the locking seat 31, and a guide sleeve 39 sleeved above the locking seat 31 is arranged on the top column 32. The axial limiting device comprises an axial limiting ring 6, wherein the inner end of the axial limiting ring extends into the needle sleeve 36, the outer end of the axial limiting ring extends into the top column 32, and an opening convenient for assembly is formed in the axial limiting ring 6. One end of the pressing knob 33 connected with the needle sleeve 36 extends into the locking hole, and the outer peripheral surface of the other end of the pressing knob 33 is provided with an anti-slip convex rib. The tightening head 38 is sunk into the pressing knob 33, and a straight line which is convenient to disassemble and assemble is arranged on the tightening head 38.
The voltage leading-out device comprises a voltage signal leading-out wire electrically connected with the temperature measuring sensor 35. The temperature leading-out device comprises a temperature sensor 4 connected with the temperature sensor 35, and the temperature sensor 4 is connected with a temperature signal leading-out wire; and heat-conducting silica gel is filled between the temperature sensor 4 and the temperature sensor 35. The voltage signal lead-out wire and the temperature signal lead-out wire are combined and drawn into a group of wire harnesses in fig. 1, 2, 4 and 5.
The electricity taking needle 37 is positioned in the needle sleeve 36 and is not exposed, so that electric shock can be prevented, and safety is guaranteed. The electricity taking needle 37 is made of beryllium copper alloy, so that the heat conductivity is improved while the puncture strength is ensured.
During assembly, open mutual-inductor dismantlement buckle through special mutual-inductor extracting tool 5, mutual-inductor extracting tool 5 can be general with the extracting tool 5 of getting electric needle 37, puts into the generating line 12 that awaits measuring, unscrews location locking knob 23, through the position of generating line location adjustment draw-in groove 22 adjustment generating line locating piece 21, makes the generating line 12 that awaits measuring in mutual-inductor central point and puts, locking location locking knob 23. The pressing knob 33 is rotated, the pressing knob 33 drives a needle sleeve which is also used as a locking adjusting sleeve to move towards the bus 12 in the locking adjusting seat, the locking adjusting sleeve drives the ejection column 32 to move towards the bus 12, the arc pressing sheet 34 of the ejection column 32 presses the bus 12 tightly, then the special disassembling tool 5 for the mutual inductor is matched with the tightening head 38 of the electricity taking needle 37, the tightening head 38 is rotated to drive the electricity taking needle 37 to rotate in the needle sleeve 36 and move towards the bus 12, and the tip of the electricity taking needle 37 is pressed into the bus 12. The needle sleeve 36 of the electricity taking needle 37 is connected with the temperature measuring sensor 35 by screw threads, and the voltage of the bus 12 is taken out by utilizing the conductivity of the electricity taking needle 37 and the temperature measuring sensor 35 and is sent to the outside by a lead; the temperature of the bus 12 is transmitted to the temperature sensor 4 by utilizing the heat conductivity of the electricity taking needle 37 and the temperature sensor 35, the temperature signal is transmitted to the outside through the lead of the temperature sensor 4, and in order to improve the heat conduction efficiency, the gap between the temperature sensor 35 and the temperature sensor 4 is filled with heat conduction silica gel.
Through the mode, the current size inside the mutual inductor, the live information of the bus 12 and the temperature information of the bus 12 are taken out and sent to an external detection device, the information of the bus 12 to be detected is controlled more comprehensively, and the power supply reliability is improved. In addition, the whole structure and the internal layout of the functional transformer can adopt various implementation modes, such as a circular transformer structure and a square transformer structure shown in fig. 4 and 5 respectively.
The multifunctional combined current transformer device has the following characteristics:
1. the bus 12 to be measured is ensured to be positioned at the center of the mutual inductor through the bus positioning device and the bus locking device, and the measurement accuracy is improved;
2. the voltage and the temperature of the bus 12 to be tested are taken out through the online bus locking device and the temperature leading-out device, and the information of the bus 12 to be tested is mastered in multiple directions;
3. the anti-slip groove 24 is arranged in the positioning groove of the bus 12, so that the cable is prevented from sliding, the cable is firstly compressed and then punctured to lead electricity, and the electricity taking needle 37 is prevented from bending due to the fact that the cable slides or is unstably fixed in the puncturing process.
4. In order to improve the heat conduction and the electrical conductivity of the power taking pin 37, the power taking pin 37 is made of copper.
This application makes the current transformer function more complete through addding voltage perception and on-line measuring line temperature function on the basis of original mutual-inductor structure, on the basis of detection circuitry electric current, detects the circuit trouble that the circuit takes place or is about to take place simultaneously, improves the reliability of power supply.
The foregoing shows and describes the general principles, essential 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, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (10)
1. The utility model provides a many function combination formula current transformer device, includes the mutual-inductor body, its characterized in that: the transformer comprises a transformer body and is characterized in that a detection hole for a bus to be detected to penetrate out is formed in the center of the transformer body, a bus positioning device and a bus locking device which are located on two sides of the bus and located on the same axis are installed on the transformer body, an electricity taking device electrically connected with the bus is installed in the bus locking device, and the electricity taking device is connected with a voltage leading-out device and a temperature leading-out device.
2. The multifunctional combined current transformer apparatus of claim 1, wherein: the bus positioning device comprises a bus positioning block, a bus positioning adjusting clamping groove is formed in the bus positioning block, and a positioning locking knob penetrating through the bus positioning adjusting clamping groove is connected to the mutual inductor body in a threaded mode; a positioning groove is formed in the end face, facing the bus, of the bus positioning block; and anti-skid grooves are arranged on the inner wall of the positioning groove.
3. The multifunctional combined current transformer apparatus of claim 1, wherein: the bus locking device comprises a locking seat fixedly mounted on the mutual inductor body, a locking hole is formed in the locking seat, a locking adjusting seat fixedly connected with the locking seat is mounted in the locking hole, a locking adjusting sleeve is mounted in the locking adjusting seat in a threaded mode, one end of the locking adjusting sleeve extends out of the locking hole and is connected with a top column, the locking adjusting sleeve and an axial limiting device for preventing the axial displacement between the locking adjusting sleeve and the top column are mounted between the top column, the other end of the locking adjusting sleeve is driven to extend out of the locking hole and is fixedly connected with a pressing knob, and the top column and the pressing knob all have the freedom degree in the locking hole.
4. The multifunctional combined current transformer apparatus of claim 3, wherein: the top column is provided with an arc-shaped pressing sheet matched with the bus towards one end of the bus, the other end of the top column extends into the locking hole of the locking seat, and a guide sleeve sleeved above the locking seat is arranged on the top column.
5. The multifunctional combined current transformer apparatus of claim 3, wherein: the axial limiting device comprises an axial limiting ring, the inner end of the axial limiting ring extends into the locking adjusting sleeve, the outer end of the axial limiting ring extends into the top column, and an opening convenient to assemble is formed in the axial limiting ring.
6. The multifunctional combined current transformer apparatus of claim 3, wherein: one end of the compression knob, which is connected with the locking adjusting sleeve, extends into the locking hole, and the outer peripheral surface of the other end of the compression knob is provided with an anti-skidding convex edge.
7. The multifunctional combined current transformer apparatus of claim 3, wherein: the electricity taking device comprises a temperature measuring sensor which is arranged in the locking hole and fixedly connected with the locking seat, a needle sleeve is in threaded connection with the temperature measuring sensor, an internal thread is arranged in the needle sleeve and is provided with an electricity taking needle, and an electricity taking tip of the electricity taking needle penetrates through the ejection column and is electrically connected with the bus; the other end of the electricity taking needle extends out of the needle sleeve and is connected with a tightening head.
8. The multifunctional combined current transformer apparatus of claim 7, wherein: the temperature sensor is used as the locking adjusting seat, and the needle sleeve is used as the locking adjusting sleeve.
9. The multifunctional combined current transformer apparatus of claim 7, wherein: the voltage leading-out device comprises a voltage signal leading-out wire electrically connected with the temperature measuring sensor.
10. The multifunctional combined current transformer apparatus of claim 7, wherein: the temperature leading-out device comprises a temperature sensor connected with the temperature sensor, and the temperature sensor is connected with a temperature signal leading-out wire;
and heat-conducting silica gel is filled between the temperature sensor and the temperature sensor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910981923.2A CN110600250B (en) | 2019-10-16 | Multifunctional combined current transformer device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910981923.2A CN110600250B (en) | 2019-10-16 | Multifunctional combined current transformer device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110600250A true CN110600250A (en) | 2019-12-20 |
| CN110600250B CN110600250B (en) | 2024-05-14 |
Family
ID=
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN205692685U (en) * | 2015-09-09 | 2016-11-16 | 浙江华采科技有限公司 | A kind of open-close type current transformer of band current-taking function |
| CN106483354A (en) * | 2016-12-05 | 2017-03-08 | 西安沣源智能装备科技有限公司 | A kind of automatic power taking formula Flexible transformer and using method |
| CN108828287A (en) * | 2018-04-08 | 2018-11-16 | 江阴市星火电子科技有限公司 | It is a kind of for measure traverse line electric current, voltage, temperature open-close type mutual inductor |
| CN208172081U (en) * | 2018-04-08 | 2018-11-30 | 江阴市星火电子科技有限公司 | A kind of open-close type outdoor mutual inductor |
| CN210628083U (en) * | 2019-10-16 | 2020-05-26 | 山东电亮亮信息科技有限公司 | Multifunctional combined current transformer device |
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN205692685U (en) * | 2015-09-09 | 2016-11-16 | 浙江华采科技有限公司 | A kind of open-close type current transformer of band current-taking function |
| CN106483354A (en) * | 2016-12-05 | 2017-03-08 | 西安沣源智能装备科技有限公司 | A kind of automatic power taking formula Flexible transformer and using method |
| CN108828287A (en) * | 2018-04-08 | 2018-11-16 | 江阴市星火电子科技有限公司 | It is a kind of for measure traverse line electric current, voltage, temperature open-close type mutual inductor |
| CN208172081U (en) * | 2018-04-08 | 2018-11-30 | 江阴市星火电子科技有限公司 | A kind of open-close type outdoor mutual inductor |
| CN210628083U (en) * | 2019-10-16 | 2020-05-26 | 山东电亮亮信息科技有限公司 | Multifunctional combined current transformer device |
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