CN209297902U - A kind of flame retardant type open-close type voltage transformer - Google Patents
A kind of flame retardant type open-close type voltage transformer Download PDFInfo
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- CN209297902U CN209297902U CN201821627242.3U CN201821627242U CN209297902U CN 209297902 U CN209297902 U CN 209297902U CN 201821627242 U CN201821627242 U CN 201821627242U CN 209297902 U CN209297902 U CN 209297902U
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Abstract
The utility model discloses a kind of flame retardant type open-close type voltage transformers, including first part and second part, first part includes several layers silicon steel sheet one, insulating layer one, liquid nitrogen layer one and thermal insulation layer one, silicon steel sheet one includes short-movie one and lengthy motion picture one, short-movie one, lengthy motion picture one are sequentially overlapped setting, insulating layer one is set to the outside of silicon steel sheet one, the both ends of insulating layer one are equipped with jack, two jacks are separately connected the both ends for being wound in one induction coil of silicon steel sheet, and liquid nitrogen layer one, thermal insulation layer one are set in turn in the outside of insulating layer one；Second part and first part are symmetrical arranged, but further include connecting terminal, and when two parts connection, contact pin is inserted into jack, and the short-movie of first part, the end of lengthy motion picture are separately connected the lengthy motion picture and short-movie of first part.The liquid nitrogen layer of the utility model cools down for heat caused by inside, prevents high temperature from causing failure, when voltage transformer is on fire, internal liquid nitrogen can be made to leak, play the role of cooling, fire extinguishing.Thermal insulation layer can play isolation internal temperature and fire-retardant effect.
Description
Technical field
The present invention relates to voltage transformer technical fields, and in particular to a kind of flame retardant type open-close type voltage transformer.
Background technique
Mutual inductor is that the conducting wire of a fixing turn is wound on the iron core of certain number of plies (usually using electromagnetic induction principle
Enameled wire), then the variation by measurement across the electric field of iron core conducting wire forms magnetic field in core interior, then again outside iron core
The inside of portion's conducting wire generates electric current, is realized by the current or voltage of iron core outer lead for core interior current or voltage
Monitoring.
Due to being closer when voltage transformer work with cable or busbar, when a failure occurs it, it is easy on fire, initiation is more
Big accident, therefore the flame retardant property of voltage transformer has become the important performance indexes of voltage transformer.Existing means are promoted
The improvement of the flame retardant property for external insulating materials is usually used in the mode of voltage transformer flame retardant property, or to mutual inductance
The integrally-built improvement of device insulating materials but lacks research, therefore studies a kind of novel flame-retardant type open-close type voltage transformer especially
It is important.
Summary of the invention
To solve deficiency in the prior art, the present invention provides a kind of flame retardant type open-close type voltage transformer, solves existing
There is incendive technical problem when open-close type voltage transformer breaks down in technology.
In order to achieve the above objectives, the present invention adopts the following technical scheme:
A kind of flame retardant type open-close type voltage transformer, it is characterised in that: including first part and second part, first part
Including several layers silicon steel sheet one, insulating layer one, liquid nitrogen layer one and thermal insulation layer one, silicon steel sheet one includes short-movie one and lengthy motion picture one, short
Piece one, lengthy motion picture one are sequentially overlapped setting, and insulating layer one is set to the outside of silicon steel sheet one, and the both ends of insulating layer one are equipped with slotting
Hole, two jacks are separately connected the both ends for being wound in one induction coil of silicon steel sheet, and liquid nitrogen layer one, thermal insulation layer one are set in turn in absolutely
The outside of edge layer；
Second part includes several layers silicon steel sheet two, insulating layer two, liquid nitrogen layer two, thermal insulation layer two and connecting terminal, silicon steel
Piece two includes short-movie two and lengthy motion picture two, and short-movie two, lengthy motion picture two are sequentially overlapped setting, and insulating layer two is set to the outer of silicon steel sheet two
Portion, the both ends of insulating layer two are equipped with contact pin, and two contact pins are separately connected the both ends for being wound in two induction coil of steel disc, liquid nitrogen layer
Two, thermal insulation layer two is set in turn in the outside of insulating layer two；There are three connecting terminals, and connecting terminal connects the induction of second part
Coil；
When first part connect second part when, contact pin be inserted into jack, short-movie one, lengthy motion picture one end be separately connected lengthy motion picture
Two, short-movie two.
Specifically, a kind of flame retardant type open-close type voltage transformer above-mentioned, it is characterised in that: the both ends of thermal insulation layer one are also
Equipped with connecting plate one, the both ends of thermal insulation layer two are additionally provided with connecting plate two, when first part connects second part, connecting plate one
Connect connecting plate two.
Specifically, a kind of flame retardant type open-close type voltage transformer above-mentioned, it is characterised in that: connecting plate one, connecting plate two
Between connected by bolt or screw.
Specifically, a kind of flame retardant type open-close type voltage transformer above-mentioned, it is characterised in that: the interior edge of lengthy motion picture one is additionally provided with
The interior edge of limit plate one, lengthy motion picture two is additionally provided with limit plate two.
Specifically, a kind of flame retardant type open-close type voltage transformer above-mentioned, it is characterised in that: thermal insulation layer one, thermal insulation layer two
Including asbestic blanket and the thermal insulation board being set to outside asbestic blanket.
Specifically, a kind of flame retardant type open-close type voltage transformer above-mentioned, it is characterised in that: thermal insulation board is micarex.
Specifically, a kind of flame retardant type open-close type voltage transformer above-mentioned, it is characterised in that: the end of short-movie one, short-movie two
Portion is equipped with trapezoidal sections, lengthy motion picture one, lengthy motion picture two end be equipped with the groove to match with trapezoidal sections, when first part's connection the
When two parts, short-movie one, short-movie two trapezoidal sections be separately connected the groove of lengthy motion picture one, lengthy motion picture two.
Advantageous effects of the invention: liquid nitrogen layer of the invention cools down for heat caused by inside, prevent
Only high temperature causes failure, when voltage transformer is on fire, internal liquid nitrogen can be made to leak, play the work of cooling, fire extinguishing
With.In external thermal insulation layer, mainly there are two effects, first is that play the role of completely cutting off internal temperature, allow the installer to be unlikely to by
Internal low temperature is hurt；Second is that mica sheet and asbestic blanket can play fire-retardant performance, it when a fire, can be in certain journey
The sprawling of fire is prevented on degree.
Detailed description of the invention
Fig. 1 is overall structure figure of the present invention；
Fig. 2 is A-A cut away view of the present invention；
Fig. 3 is short-movie one of the present invention and two structural schematic diagram of lengthy motion picture；
The meaning of appended drawing reference: 1- silicon steel sheet one；11- short-movie one；12- lengthy motion picture one；13- limit plate one；2- insulating layer one；
3- liquid nitrogen layer one；4- thermal insulation layer one；5- connecting terminal；21- jack；72- contact pin；41- connecting plate one；6- silicon steel sheet two；61- is short
Piece two；62- lengthy motion picture two；63- limit plate two；7- insulating layer two；8- liquid nitrogen layer two；9- thermal insulation layer two；91- connecting plate two.
Specific embodiment
The invention will be further described below in conjunction with the accompanying drawings.Following embodiment is only used for clearly illustrating the present invention
Technical solution, and not intended to limit the protection scope of the present invention.
As shown in Figures 1 and 2: present embodiment discloses a kind of flame retardant type open-close type voltage transformers, including first part
With second part, first part includes several layers silicon steel sheet 1, insulating layer 1, liquid nitrogen layer 1 and thermal insulation layer 1, silicon steel sheet
One 1 include short-movie 1 and lengthy motion picture 1, and short-movie 1, lengthy motion picture 1 are sequentially overlapped setting, and insulating layer 1 is set to silicon steel
The outside of piece 1, the both ends of insulating layer 1 are equipped with jack 21, and two jacks 21, which are separately connected, is wound in the sense of silicon steel sheet 1
The both ends of coil are answered, liquid nitrogen layer 1, thermal insulation layer 1 are set in turn in the outside of insulating layer 2；
Second part includes several layers silicon steel sheet 26, insulating layer 27, liquid nitrogen layer 28, thermal insulation layer 29 and connecting terminal 5,
Silicon steel sheet 26 includes short-movie 2 61 and lengthy motion picture 2 62, and short-movie 2 61, lengthy motion picture 2 62 are sequentially overlapped setting, and insulating layer 27 is set to
The outside of silicon steel sheet 26, the both ends of insulating layer 27 are equipped with contact pin 72, and two contact pins 72, which are separately connected, is wound in the sense of steel disc 26
The both ends of coil are answered, liquid nitrogen layer 28, thermal insulation layer 29 are set in turn in the outside of insulating layer 27；There are three connecting terminals 5, connects
The induction coil of the connection second part of line terminals 5；
When first part connects second part, contact pin 72 is inserted into jack 21, the end difference of short-movie 1, lengthy motion picture 1
Connect lengthy motion picture 2 62, short-movie 2 61.
The both ends of thermal insulation layer 1 are additionally provided with connecting plate 1, and the both ends of thermal insulation layer 29 are additionally provided with connecting plate 2 91,
When first part connects second part, connecting plate 1 connects connecting plate 2 91.It is excellent between connecting plate 1, connecting plate 2 91
Gated bolt or screw connection.
Due to being separated with short-movie 1 between lengthy motion picture 1, in order to guarantee the uniformity in gap between each lengthy motion picture 1, make
When first part separates with second part, lengthy motion picture 1 avoids that bending occurs, so the interior edge in lengthy motion picture 1 is additionally provided with limit
Plate 1, there are two effects for limit plate 1, first is that can guarantee that all lengthy motion pictures 1 become an entirety, prevent from being bent over,
Second is that when two-part lengthy motion picture mutually plugs limit can be played the role of for the interior edge of lengthy motion picture 1, lengthy motion picture 2 62.Together
The interior edge of sample, lengthy motion picture 2 62 is additionally provided with limit plate 2 63.
The thermal insulation layer 1 of the present embodiment, thermal insulation layer 29 include asbestic blanket and the thermal insulation board that is set to outside asbestic blanket,
The preferred micarex of thermal insulation board.
As shown in Figure 3: when connecting to promote short-movie 1 with lengthy motion picture 2 62, the tight type of end connection prevents
Magnetic flux leakage, the present embodiment short-movie 1, short-movie 2 61 end be equipped with trapezoidal sections, the end of lengthy motion picture 1, lengthy motion picture 2 62
It is equipped with the groove to match with trapezoidal sections, when first part connects second part, the trapezoidal sections of short-movie 1, short-movie 2 61
It is separately connected the groove of lengthy motion picture 1, lengthy motion picture 2 62.
In use, two parts are plugged in together, connecting plate 1, connecting plate 2 91 are connected to by screw or bolt
Together, contact pin 72 is inserted into jack 21, and two-part induction coil is connected, and short-movie is connect with lengthy motion picture, be capable of forming one it is complete
Whole flux circuit, the present embodiment can work at this time, detect voltage.Relative to the voltage transformer of closed type, open-close type
Voltage transformer have the advantages that dismounting, replace it is convenient, and install and disassembly when, do not need to tear open the connector of busbar or conducting wire
It opens.
When normal use, liquid nitrogen layer 1,28 inside liquid nitrogen of liquid nitrogen layer cool down for heat caused by inside, prevent
Only high temperature causes failure, when voltage transformer is on fire, internal liquid nitrogen can be made to leak, play the work of cooling, fire extinguishing
With.In external thermal insulation layer 1, thermal insulation layer 29, mainly there are two effects, first is that playing the role of completely cutting off internal temperature, make
Setter is unlikely to be hurt by internal low temperature；Second is that mica sheet and asbestic blanket can play fire-retardant performance, when generation fire
When, the sprawling of fire can be prevented to a certain extent.
The above is only a preferred embodiment of the present invention, it is noted that for the ordinary skill people of the art
For member, without departing from the technical principles of the invention, several improvement and deformations can also be made, these improvement and deformations
Also it should be regarded as protection scope of the present invention.
Claims (7)
1. a kind of flame retardant type open-close type voltage transformer, it is characterised in that: including first part and second part, described first
Divide includes several layers silicon steel sheet one (1), insulating layer one (2), liquid nitrogen layer one (3) and thermal insulation layer one (4), the silicon steel sheet one (1)
Including short-movie one (11) and lengthy motion picture one (12), the short-movie one (11), lengthy motion picture one (12) are sequentially overlapped setting, the insulating layer one
(2) it is set to the outside of silicon steel sheet one (1), the both ends of insulating layer one (2) are equipped with jack (21), and two jacks (21) connect respectively
The both ends for being wound in silicon steel sheet one (1) induction coil are connect, the liquid nitrogen layer one (3), thermal insulation layer one (4) are set in turn in insulating layer
The outside of one (2)；
The second part includes several layers silicon steel sheet two (6), insulating layer two (7), liquid nitrogen layer two (8), thermal insulation layer two (9) and connects
Line terminals (5), the silicon steel sheet two (6) include short-movie two (61) and lengthy motion picture two (62), the short-movie two (61), lengthy motion picture two (62)
It is sequentially overlapped setting, the insulating layer two (7) is set to the outside of silicon steel sheet two (6), and the both ends of insulating layer two (7) are equipped with slotting
Needle (72), two contact pins (72) are separately connected the both ends for being wound in steel disc two (6) induction coil, the liquid nitrogen layer two (8), heat-insulated
Two (9) of layer are set in turn in the outside of insulating layer two (7)；There are three the connecting terminals (5), connecting terminal (5) connection second
Partial induction coil；
When first part connects second part, contact pin (72) is inserted into jack (21), the end of short-movie one (11), lengthy motion picture one (12)
It is separately connected lengthy motion picture two (62), short-movie two (61).
2. a kind of flame retardant type open-close type voltage transformer according to claim 1, it is characterised in that: the thermal insulation layer one
(4) both ends are additionally provided with connecting plate one (41), and the both ends of the thermal insulation layer two (9) are additionally provided with connecting plate two (91), when
When a part connection second part, the connecting plate one (41) connects connecting plate two (91).
3. a kind of flame retardant type open-close type voltage transformer according to claim 2, it is characterised in that: the connecting plate one
(41), it is connected between connecting plate two (91) by bolt or screw.
4. a kind of flame retardant type open-close type voltage transformer according to claim 1, it is characterised in that: the lengthy motion picture one (12)
Interior edge be additionally provided with limit plate one (13), the interior edge of the lengthy motion picture two (62) is additionally provided with limit plate two (63).
5. a kind of flame retardant type open-close type voltage transformer according to claim 1, it is characterised in that: the thermal insulation layer one
(4), thermal insulation layer two (9) includes asbestic blanket and the thermal insulation board that is set to outside asbestic blanket.
6. a kind of flame retardant type open-close type voltage transformer according to claim 5, it is characterised in that: the thermal insulation board is cloud
Motherboard.
7. a kind of flame retardant type open-close type voltage transformer according to claim 1, it is characterised in that: the short-movie one
(11), the end of short-movie two (61) is equipped with trapezoidal sections, the lengthy motion picture one (12), lengthy motion picture two (62) end be equipped with it is trapezoidal
The groove that matches of section, when first part connects second part, short-movie one (11), short-movie two (61) trapezoidal sections be separately connected
The groove of lengthy motion picture one (12), lengthy motion picture two (62).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821627242.3U CN209297902U (en) | 2018-10-08 | 2018-10-08 | A kind of flame retardant type open-close type voltage transformer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821627242.3U CN209297902U (en) | 2018-10-08 | 2018-10-08 | A kind of flame retardant type open-close type voltage transformer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209297902U true CN209297902U (en) | 2019-08-23 |
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ID=67652662
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821627242.3U Active CN209297902U (en) | 2018-10-08 | 2018-10-08 | A kind of flame retardant type open-close type voltage transformer |
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| Country | Link |
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| CN (1) | CN209297902U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109036820A (en) * | 2018-10-08 | 2018-12-18 | 江苏南瑞泰事达电气有限公司 | A kind of flame retardant type open-close type voltage transformer |
-
2018
- 2018-10-08 CN CN201821627242.3U patent/CN209297902U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109036820A (en) * | 2018-10-08 | 2018-12-18 | 江苏南瑞泰事达电气有限公司 | A kind of flame retardant type open-close type voltage transformer |
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