CN206921643U - A kind of transformer - Google Patents

A kind of transformer Download PDF

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Publication number
CN206921643U
CN206921643U CN201720683284.8U CN201720683284U CN206921643U CN 206921643 U CN206921643 U CN 206921643U CN 201720683284 U CN201720683284 U CN 201720683284U CN 206921643 U CN206921643 U CN 206921643U
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CN
China
Prior art keywords
voltage
transformer
low
contact rod
cable
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Active
Application number
CN201720683284.8U
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Chinese (zh)
Inventor
万丽容
李义敏
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Guangdong Changniu Electric Co ltd
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Guangdong Changniu Electric Co ltd
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Priority to CN201720683284.8U priority Critical patent/CN206921643U/en
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Abstract

A kind of transformer of the present utility model, including setting on the transformer, by the high-voltage connection terminal of external high-tension cable electrical connection corresponding with the high-voltage connection on transformer, and the low-voltage wiring terminal by the electrical connection corresponding with the low-voltage lead on transformer of external low-voltage cable, high-voltage connection terminal and/or low-voltage wiring terminal include socket structure, insulating body including forming insertion chamber, insulating body is provided with the conductive tube that some one end penetrate the bottom of insertion chamber, and conductive tube is adapted to be connected with high low pressure lead through one end that bottom is in outside insertion chamber;Plug construction, insulation inserting block including forming some contact rod mounting holes, and the contact rod in contact rod mounting hole, and one end of contact rod is suitable to electrically connect with a wherein cored wire for multicore cable, after the other end is with insulation inserting block insertion insertion chamber, electrically connected with the insertion of the other end of conductive tube, operating procedure is less during connection, easy for installation.

Description

A kind of transformer
Technical field
It the utility model is related to transformer technology field, and in particular to a kind of transformer, especially oil-filled transformer.
Background technology
Oil-filled transformer, mainly using porcelain bushing shell, live part is exposed outside, and transformer station high-voltage side bus is easily to surrounding environment Potential safety hazard is caused, current-carrying part easily aoxidizes in addition, influences the reliability service of product, causes transformer during operation Frequent periodic maintenance is needed, increases workload.
Chinese patent literature CN201820609U discloses a kind of all-insulation transformer, including oil-filled transformer, oil immersion Formula transformer is provided with three-phase high-voltage binding post, and it is tangible to be separately installed with all insulation protected type on every phase high-voltage connection terminal Plug, the tangible plug of all insulation protected type include one-way sleeve, casing seat, pressure ring and elbow-type plug, wherein, high-voltage terminal Sub- end is provided with external screw thread, and casing seat bottom centre is provided with the first screw being engaged with external screw thread and connected with high-voltage connection terminal It is connected together, while is fastened on by pressure ring on the upper surface of oil-filled transformer, one-way sleeve is located in casing seat, single-pass set The inwall of pipe is provided with the second screw being engaged with external screw thread and is tightened on high-voltage connection terminal, and elbow-type plug exterior is provided with exhausted Edge shields shell, and elbow-type plug outer end connecting cable, the inner is provided with the screw thread being engaged with the second screw and by screw thread and list Logical sleeve pipe connection is together.
The electrical connection between high-voltage connection terminal and high-tension cable on transformer of the prior art, low-voltage wiring terminal Electrical connection between low-voltage cable is both needed to corresponding electrical connection one by one, more so as to there is operating procedure, and installation is not square Just the problem of.
Utility model content
Therefore, the technical problems to be solved in the utility model is to overcome high/low crimping on transformer of the prior art Electrically connect the defects of inconvenient between line terminals and high low pressure cable, so as to provide a kind of high low pressure binding post with it is high/low Convenient transformer is electrically connected between voltage cable connection.
To solve above-mentioned above-mentioned technical problem, a kind of transformer of the present utility model, including set on the transformer, will be outer The high-voltage connection terminal of the high-tension cable connect electrical connection corresponding with the high-voltage connection on transformer, and by external low-voltage cable The low-voltage wiring terminal of electrical connection corresponding with the low-voltage lead on transformer, it is characterised in that the high-tension cable, the low pressure Cable is multicore cable, and the high-voltage connection terminal and/or the low-voltage wiring terminal include
Socket structure, including the insulating body of insertion chamber is formed, the insulating body penetrates institute provided with some one end State insertion chamber bottom conductive tube, the conductive tube through the bottom be in it is described insertion chamber outside one end be adapted to it is described High low pressure lead connects;
Plug construction, including the insulation inserting block of some contact rod mounting holes is formed, and pacify located at the contact rod The contact rod in hole is filled, the distribution of the contact rod mounting hole is consistent with the distribution of the conductive tube, and the one of the contact rod End is suitable to electrically connect with a wherein cored wire for the multicore cable, and the other end inserts the insertion chamber with the insulation inserting block Afterwards, electrically connected with the other end insertion of the conductive tube.
Conductive tube, contact rod in the high-voltage connection terminal are provided with 2-3 roots, are connected with the high-voltage connection terminal Multicore cable in cored wire be provided with 2-3 roots.
Conductive tube, contact rod in the low-voltage wiring terminal are provided with 4-5 roots, are connected with the low-voltage wiring terminal Multicore cable in cored wire be provided with 4-5 roots.
Also include the cored wire of the multicore cable being branched off into the distribution branched bushing consistent with contact rod distribution.
One end of the conductive tube towards the contact rod forms the patchhole of the suitable contact rod insertion electrical connection.
Plug is coordinated using wedge structure between the patchhole of the conductive tube and the insertion end of the contact rod.
The plug construction includes being set in the pyrocondensation that sealing structure is connected into outside the cable and with the insulating body Pipe.
Marine glue is filled between the cored wire and between the cored wire and the heat-shrink tube.
The high-voltage connection terminal and the low-voltage wiring terminal are tightly connected with fuel tank.
The transformer is oil-filled transformer, including fuel tank and be built in the fuel tank iron core, high-tension coil, Low-voltage coil.
The shunting switch that pressure regulation is carried out to the transformer is additionally provided with the fuel tank outer wall, the shunting switch passes through height Voltage lead wires are connected with the high-tension coil.
Technical solutions of the utility model, have the following advantages that:
1. transformer provided by the utility model, the high low pressure in one end and transformer of the conductive tube in socket structure Lead connects, and the cored wire of multicore cable electrically connects with one end of contact rod, and the other end of contact rod, which is connected to, forms some lead In the insulation inserting block of torch mounting hole, when transformer is needed with high low pressure cable connection, by insulation inserting block insertion insulation master Internal is inserted in cavities, after contact rod is with the insulation inserting block insertion insertion chamber, the other end electricity with the conductive tube Connection, transformer realize and connected that this structure makes transformer and operating procedure during high low pressure cable connection with high low pressure cable It is less, it is easy for installation.
2. transformer provided by the utility model, one end of the conductive tube towards the contact rod form be adapted to it is described The patchhole of contact rod insertion electrical connection, facilitates the connection of contact rod and conductive tube.
3. transformer provided by the utility model, the patchhole of the conductive tube and the insertion end of the contact rod it Between using wedge structure coordinate plug, its tension force is big contact, be interference fitted current-carrying it is good, can repeatedly plug, it is quick and easy for installation.
4. transformer provided by the utility model, the plug construction include being set in the cable it is outer and with the insulation Main body connects into the heat-shrink tube of sealing structure, cable is connected into insulation with high-voltage connection terminal and/or low-voltage wiring terminal Sealing structure.
5. transformer provided by the utility model, filled between the cored wire and between the cored wire and the heat-shrink tube There is marine glue, can further improve the insulating properties of the transformer, while have the function that waterproof.
6. transformer provided by the utility model, the high-voltage connection terminal and the low-voltage wiring terminal with the oil Case is tightly connected, and makes all insulation structure of the transformer for sealing.
Brief description of the drawings
, below will be right in order to illustrate more clearly of the utility model embodiment or technical scheme of the prior art The required accompanying drawing used is briefly described in embodiment or description of the prior art, it should be apparent that, describe below In accompanying drawing be some embodiments of the present utility model, for those of ordinary skill in the art, do not paying creativeness On the premise of work, other accompanying drawings can also be obtained according to these accompanying drawings.
Fig. 1 is the structural representation of the transformer provided in the first embodiment of the present utility model;
Fig. 2 is the structural representation of the high low pressure binding post shown in Fig. 1.
Description of reference numerals:
1- fuel tanks;2- transformer oil;3- iron cores;
4- low-voltage leads;5- high-voltage connections;6- high-voltage connection terminals;
7- low-voltage wiring terminals;8- shunting switch;9- insulating bodies;
10- insulation inserting blocks;11- conductive tubes;12- contact rods;
13- marine glues;14- branched bushings;15- heat-shrink tubes;
16- cables.
Embodiment
The technical solution of the utility model is clearly and completely described below in conjunction with accompanying drawing, it is clear that described Embodiment is the utility model part of the embodiment, rather than whole embodiments.Based on the embodiment in the utility model, sheet The every other embodiment that field those of ordinary skill is obtained under the premise of creative work is not made, belongs to this practicality Novel protected scope.
, it is necessary to explanation in description of the present utility model, term " " center ", " on ", " under ", it is "left", "right", " perpendicular Directly ", the orientation of the instruction such as " level ", " interior ", " outer " or position relationship are based on orientation shown in the drawings or position relationship, are only Described for the ease of description the utility model and simplifying, rather than instruction or imply signified device or element must have it is specific Orientation, with specific azimuth configuration and operation, therefore it is not intended that to limitation of the present utility model.In addition, term " the One ", " second ", " the 3rd " are only used for describing purpose, and it is not intended that instruction or hint relative importance.
, it is necessary to which explanation, unless otherwise clearly defined and limited, term " are pacified in description of the present utility model Dress ", " connected ", " connection " should be interpreted broadly, for example, it may be fixedly connected or be detachably connected, or integratedly Connection;Can be mechanical connection or electrical connection;Can be joined directly together, can also be indirectly connected by intermediary, It can be the connection of two element internals.For the ordinary skill in the art, above-mentioned art can be understood with concrete condition Concrete meaning of the language in the utility model.
In addition, as long as technical characteristic involved in the utility model different embodiments disclosed below is each other Conflict can is not formed to be combined with each other.
Embodiment 1
A kind of embodiment of transformer as shown in Figure 1, is oil-filled transformer, including fuel tank 1 and built-in Transformer oil 2, iron core 3, high-tension coil, low-voltage coil, high-voltage connection 4, low-voltage lead 5 in the fuel tank 1, the high pressure The external high-voltage connection terminal 6 of lead 4, the external low-voltage wiring terminal 7 of low-voltage lead 5, as shown in Fig. 2 the high/low crimping Line terminals include the insulating body 9 as socket structure, and insulation inserting block 10 and contact rod 12 as plug construction, institute State and the insertion chamber that the suitable insulation inserting block 10 is inserted is formed in insulating body 9, the insulating body 9 is provided with some lead The high low pressure lead terminals connection of torch 11, described one end of conductive tube 11 and transformer, the other end and the electricity of contact rod 12 Connection, the cored wire screw thread that described one end of contact rod 12 is branched off into multicore cable 16 by branched bushing 14 crimp, heat-shrink tube 15 It is outer and connect into sealing structure with the insulating body 9 to be set in the cable 16, between the cored wire and the cored wire with It is filled with marine glue 13 between the heat-shrink tube 15, the conductive tube 11, contact rod 12 in the high-voltage connection terminal 6 are respectively provided with There are 2-3 roots, the cored wire in the multicore cable 8 being connected with the high-voltage connection terminal 6 is provided with 2-3 roots, the low-voltage wiring terminal Conductive tube 11, contact rod 12 in 7 are provided with 4-5 roots, the core in the multicore cable 8 being connected with the low-voltage wiring terminal 7 Line is provided with 4-5 roots.
The high-tension coil and low-voltage coil include winding wire and insulating point gummed paper, cable paper, crimped paper, straight burr cloth bag etc. Insulating materials.
The shunting switch 8 that pressure regulation is carried out to the transformer is additionally provided with the fuel tank outer wall, the shunting switch 8 passes through The high-voltage connection 5 is connected with the high-tension coil.
In use, the high low pressure lead connection in one end and transformer of the conductive tube 11 in socket structure, The cored wire of multicore cable electrically connects with one end of the contact rod 12, is formed if the other end of the contact rod 12 is connected to In the insulation inserting block 10 of dry contact rod mounting hole, when transformer is needed with high low pressure cable connection, the insulation is inserted Enter block 10 insert it is inserted in cavities in the insulating body 9, contact rod 12 with it is described insulation inserting block 10 insert the insertion chamber Afterwards, the other end with the conductive tube 11 is electrically connected, and transformer is realized with high low pressure cable and connected, and this structure makes transformer It is less with operating procedure during high low pressure cable connection, it is easy for installation.
In above-mentioned embodiment, after the insulation inserting block 10 is inserted into the insertion chamber in the insulating body 9, described The heat-shrink tube 15 is arranged outside cable 16, the cable 16 connects into sealing structure with the insulating body 9, and in the core The marine glue 13 is filled between line and between the cored wire and the heat-shrink tube 15, this structure makes cable 16 and high pressure Binding post and/or low-voltage wiring terminal connect into the sealing structure of insulation, reach sealing waterproof, moistureproof purpose.
In improved embodiment, one end of the conductive tube 11 towards the contact rod 12 forms the suitable conduction The patchhole of the insertion electrical connection of rod 12, facilitates the connection of the contact rod 12 and the conductive tube 11.
In improved embodiment, adopted between the patchhole of the conductive tube 11 and the insertion end of the contact rod 12 Coordinated with wedge structure and plugged, its tension force is big to be contacted, and interference fit current-carrying is good, can repeatedly plug, quick and easy for installation.
In improved embodiment, the high-voltage connection terminal 6 and the low-voltage wiring terminal 7 are close with the fuel tank 1 Envelope connection, the transformer is set to realize the operation of soaking of transformer for all insulation structure of sealing.
In interchangeable embodiment, the transformer is dry-type transformer, and the high-voltage connection terminal 6 is done with described The high-voltage connection connection of formula transformer, the low-voltage wiring terminal 7 are connected with the low-voltage lead of the dry-type transformer.
Obviously, above-described embodiment is only intended to clearly illustrate example, and is not the restriction to embodiment.It is right For those of ordinary skill in the art, can also make on the basis of the above description it is other it is various forms of change or Change.There is no necessity and possibility to exhaust all the enbodiments.And the obvious change thus extended out or Among the protection domain that variation is created still in the utility model.

Claims (11)

1. a kind of transformer, including set on the transformer, external high-tension cable is corresponding with the high-voltage connection on transformer The high-voltage connection terminal of electrical connection, and the low pressure by the electrical connection corresponding with the low-voltage lead on transformer of external low-voltage cable Binding post, it is characterised in that the high-tension cable, the low-voltage cable are multicore cable, the high-voltage connection terminal and/ Or the low-voltage wiring terminal includes
Socket structure, including the insulating body of insertion chamber is formed, the insulating body penetrates described insert provided with some one end Enter the conductive tube of the bottom of chamber, the conductive tube through one end that the bottom is in outside the insertion chamber be adapted to it is described it is high/ Low-voltage lead connects;
Plug construction, including the insulation inserting block of some contact rod mounting holes is formed, and located at the contact rod mounting hole Interior contact rod, the distribution of the contact rod mounting hole is consistent with the distribution of the conductive tube, and one end of the contact rod is fitted Electrically connected in the wherein cored wire with the multicore cable, after the other end is with the insulation inserting block insertion insertion chamber, with The other end insertion electrical connection of the conductive tube.
2. a kind of transformer according to claim 1, it is characterised in that conductive tube in the high-voltage connection terminal, lead Torch is provided with 2-3 roots, and the cored wire in the multicore cable being connected with the high-voltage connection terminal is provided with 2-3 roots.
3. a kind of transformer according to claim 1, it is characterised in that conductive tube in the low-voltage wiring terminal, lead Torch is provided with 4-5 roots, and the cored wire in the multicore cable being connected with the low-voltage wiring terminal is provided with 4-5 roots.
4. a kind of transformer according to any one of claim 1-3, it is characterised in that also include the multicore cable Cored wire be branched off into distribution and be distributed consistent branched bushing with the contact rod.
5. a kind of transformer according to any one of claim 1-3, it is characterised in that the conductive tube is led described in One end of torch forms the patchhole of the suitable contact rod insertion electrical connection.
6. a kind of transformer according to claim 5, it is characterised in that the patchhole of the conductive tube is led with described Plug is coordinated using wedge structure between the insertion end of torch.
7. a kind of transformer according to any one of claim 1-3, it is characterised in that the plug construction includes being arranged The heat-shrink tube of sealing structure is connected into outside the cable and with the insulating body.
A kind of 8. transformer according to claim 7, it is characterised in that between the cored wire and the cored wire with it is described Marine glue is filled between heat-shrink tube.
9. a kind of transformer according to any one of claim 1-3, it is characterised in that the high-voltage connection terminal and institute Low-voltage wiring terminal is stated to be tightly connected with fuel tank.
10. a kind of transformer according to any one of claim 1-3, it is characterised in that the transformer is oil immersed type Transformer, including fuel tank and the iron core, high-tension coil, the low-voltage coil that are built in the fuel tank.
11. a kind of transformer according to claim 10, it is characterised in that be additionally provided with the fuel tank outer wall to the change Depressor carries out the shunting switch of pressure regulation, and the shunting switch is connected by high-voltage connection with the high-tension coil.
CN201720683284.8U 2017-06-13 2017-06-13 A kind of transformer Active CN206921643U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201720683284.8U CN206921643U (en) 2017-06-13 2017-06-13 A kind of transformer

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201720683284.8U CN206921643U (en) 2017-06-13 2017-06-13 A kind of transformer

Publications (1)

Publication Number Publication Date
CN206921643U true CN206921643U (en) 2018-01-23

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ID=61314640

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201720683284.8U Active CN206921643U (en) 2017-06-13 2017-06-13 A kind of transformer

Country Status (1)

Country Link
CN (1) CN206921643U (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110164666A (en) * 2019-05-21 2019-08-23 保定天威保变电气股份有限公司 A kind of transformer plug-in high-current cable case and cable connection methods
CN112992502A (en) * 2021-03-22 2021-06-18 保定天威保变电气股份有限公司 Novel 220kV high-capacity split on-load voltage regulation marine step-up transformer

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110164666A (en) * 2019-05-21 2019-08-23 保定天威保变电气股份有限公司 A kind of transformer plug-in high-current cable case and cable connection methods
CN112992502A (en) * 2021-03-22 2021-06-18 保定天威保变电气股份有限公司 Novel 220kV high-capacity split on-load voltage regulation marine step-up transformer
CN112992502B (en) * 2021-03-22 2022-08-12 保定天威保变电气股份有限公司 220kV high-capacity split on-load voltage regulation marine step-up transformer

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