CN215580350U - Anti-burning protection device for distribution transformer - Google Patents
Anti-burning protection device for distribution transformer Download PDFInfo
- Publication number
- CN215580350U CN215580350U CN202121206964.3U CN202121206964U CN215580350U CN 215580350 U CN215580350 U CN 215580350U CN 202121206964 U CN202121206964 U CN 202121206964U CN 215580350 U CN215580350 U CN 215580350U
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- conducting strip
- conductive support
- distribution transformer
- fuse
- mounting groove
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- 239000011521 glass Substances 0.000 claims abstract description 42
- 230000001681 protective effect Effects 0.000 claims abstract description 22
- 230000002265 prevention Effects 0.000 claims abstract description 3
- 230000006835 compression Effects 0.000 claims description 4
- 238000007906 compression Methods 0.000 claims description 4
- 239000012780 transparent material Substances 0.000 claims description 4
- 239000012634 fragment Substances 0.000 description 5
- 230000016507 interphase Effects 0.000 description 4
- 229910001369 Brass Inorganic materials 0.000 description 3
- 239000010951 brass Substances 0.000 description 3
- 210000004907 gland Anatomy 0.000 description 3
- 238000012423 maintenance Methods 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 230000001174 ascending effect Effects 0.000 description 2
- 230000005611 electricity Effects 0.000 description 2
- 230000003247 decreasing effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
- 125000003003 spiro group Chemical group 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
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Abstract
The utility model relates to the technical field of distribution transformers, in particular to a distribution transformer burning loss prevention protection device which comprises a glass tube fuse, a fixed seat and a protective shell, wherein a left conducting strip is fixedly installed at the left part of the top surface of the fixed seat, a left wiring terminal is arranged at the left end of the left conducting strip, a left conducting support used for installing the glass tube fuse is arranged at the right end of the left conducting strip, a right conducting strip is fixedly installed at the right part of the top surface of the fixed seat, a right wiring terminal is arranged at the right end of the right conducting strip, a right conducting support used for installing the glass tube fuse is arranged at the left end of the right conducting strip, the glass tube fuse is detachably and fixedly installed between the left conducting support and the right conducting support, and the protective shell is installed at the top of the fixed seat and covers the left conducting support, the right conducting support and the glass tube fuse inside the protective shell. The low-voltage cable protection device is reasonable and compact in structure and convenient to use, and the fuse is fused when the low-voltage cable is in short circuit by connecting the device to the low-voltage wiring terminal and the low-voltage cable of the transformer, so that the transformer is protected.
Description
Technical Field
The utility model relates to the technical field of distribution transformers, in particular to an anti-burning protection device for a distribution transformer.
Background
At present, no protection device exists between a low-voltage wiring terminal of a distribution transformer and a low-voltage disconnecting link (JP in-box switch), for example, the transformer burning loss can be caused by the fact that the inter-phase short circuit of a low-voltage cable or the inter-phase short circuit of a low-voltage line between the low-voltage wiring terminal of the transformer and the low-voltage disconnecting link (JP in-box switch) cannot be effectively operated. The emergency repair time is long after the transformer is burnt, the power supply reliability is influenced, and the complaint of users is easy to occur; moreover, large-scale machines such as cranes are needed, the machine shift cost of the rush-repair machine and the later-stage transformer maintenance cost are high, and the equipment operation and maintenance cost is greatly increased.
Disclosure of Invention
The utility model provides a distribution transformer burning loss prevention protection device, overcomes the defects of the prior art, and can effectively solve the problem that the switch in a JP box can not effectively act to cause transformer burning loss due to the low-voltage cable interphase short circuit or the low-voltage line interphase short circuit existing between a low-voltage wiring terminal and a low-voltage disconnecting link of the existing transformer.
The technical scheme of the utility model is realized by the following measures: the utility model provides a distribution transformer prevents scaling loss protection device, including glass pipe fuse, fixing base and protective housing, fixing base top surface left part fixed mounting has left conducting strip, the left end of left conducting strip is equipped with left binding post, the right-hand member of left conducting strip is equipped with the electrically conductive support in a left side that is used for installing glass pipe fuse, fixing base top surface right part fixed mounting has right conducting strip, the right-hand member of right conducting strip is equipped with right binding post, the left end of right conducting strip is equipped with the electrically conductive support in the right side that is used for installing glass pipe fuse, glass pipe fuse can dismantle fixed mounting between electrically conductive support in a left side and the electrically conductive support in the right side, the protective housing is installed in the top of fixing base and with electrically conductive support in a left side, electrically conductive support in the right side and glass pipe fuse cover in its inside.
The following are further optimization or/and improvement of the technical scheme of the utility model:
above-mentioned left electrically conductive support upper end can be equipped with the left end and seal the uncovered and ascending U-shaped left mounting groove of opening of right-hand member, equal fixed mounting has the arc shell fragment on the wall of both sides around the left side mounting groove, the bellying of two arc shell fragments is relative setting, two arc shell fragments form the centre gripping space that is used for centre gripping glass pipe fuse with left mounting groove diapire, electrically conductive support upper end in the right side is equipped with the right-hand member and seals the uncovered and ascending U-shaped right mounting groove of opening of left end, equal fixed mounting has the arc shell fragment on the wall of both sides around the right side mounting groove, both ends clamp respectively in left mounting groove and right mounting groove about the glass pipe fuse.
The protective shell corresponding to the position above the glass tube fuse can be provided with an opening, and a protective cover made of transparent materials is detachably mounted at the position corresponding to the opening of the protective shell through a screw.
The light emitting diode can be connected in series between the left conductive support and the left conductive sheet, the rear side of the protective shell is provided with a mounting hole, and the light emitting diode is mounted in the mounting hole.
Above-mentioned left binding post can include the terminal of fixed mounting on left conducting strip, and the spiro union has gland nut on the terminal, right binding post include with right conducting strip fixed connection's wiring nose.
The fixing seat can be of a rectangular structure, and four corners of the fixing seat are provided with bolt mounting holes.
The utility model has reasonable and compact structure and convenient use, and the fuse is fused when the low-voltage cable is in short circuit by connecting the device between the low-voltage wiring terminal of the transformer and the low-voltage cable, thereby playing the role of protecting the transformer and having the characteristics of safety, labor saving, simplicity, convenience and high efficiency.
Drawings
FIG. 1 is a schematic sectional view of the preferred embodiment of the present invention.
FIG. 2 is a schematic cross-sectional view taken along line A-A of FIG. 1.
Fig. 3 is a schematic top view of the preferred embodiment of the present invention.
The codes in the figures are respectively: 1 is the glass pipe fuse, 2 is the fixing base, 3 is left conducting strip, 4 is the terminal, 5 is gland nut, 6 is left electrically conductive support, 7 is right conducting strip, 8 is the wiring nose, 9 is right electrically conductive support, 10 is the protective housing, 11 is the visor, 12 is the screw, 13 is emitting diode, 14 is the arc shell fragment, 15 is left mounting groove, 16 is the bolt mounting hole.
Detailed Description
The present invention is not limited by the following examples, and specific embodiments may be determined according to the technical solutions and practical situations of the present invention.
In the present invention, for convenience of description, the description of the relative positional relationship of the components is described according to the layout pattern of fig. 1 of the specification, such as: the positional relationship of front, rear, upper, lower, left, right, etc. is determined in accordance with the layout direction of the drawings of the specification.
The utility model is further described with reference to the following examples and figures:
as shown in fig. 1, 2, 3, this distribution transformer prevents that scaling loss protection device includes glass pipe fuse 1, fixing base 2 and protective housing 10, 2 top surface left part fixed mounting of fixing base has left conducting strip 3, the left end of left conducting strip 3 is equipped with left binding post, the right-hand member of left conducting strip 3 is equipped with the left electrically conductive support 6 that is used for installing glass pipe fuse 1, 2 top surface right part fixed mounting of fixing base has right conducting strip 7, the right-hand member of right conducting strip 7 is equipped with right binding post, the left end of right conducting strip 7 is equipped with the right electrically conductive support 9 that is used for installing glass pipe fuse 1, glass pipe fuse 1 can dismantle fixed mounting between left electrically conductive support 6 and the right electrically conductive support 9, protective housing 10 installs at the top of fixing base 2 and with left electrically conductive support 6, right electrically conductive support 9 and glass pipe fuse 1 cover in its inside. According to the needs, glass pipe fuse 1 is current well-known technology, left side conducting strip 3, left binding post, left side conductive support 6, right side conducting strip 7, right binding post and right side conductive support 9 are made by the brass material that electric conductive property is good, during the use, connect low tension cable on the left binding post of this device, be connected the right binding post of this device and transformer low tension cable binding post electricity, if when the low tension cable short circuit, the fuse fusing in the glass pipe fuse 1, and then avoid the transformer to be burnt and lose, only need take off protective housing 10 thereafter, the glass pipe fuse 1 that will fuse takes off and change new glass pipe fuse 1. The utility model has reasonable and compact structure and convenient use, and the fuse is fused when the low-voltage cable is in short circuit by connecting the device between the low-voltage wiring terminal of the transformer and the low-voltage cable, thereby playing the role of protecting the transformer and having the characteristics of safety, labor saving, simplicity, convenience and high efficiency.
The anti-burning protection device of the distribution transformer can be further optimized or/and improved according to actual needs:
as shown in the attached drawings 1, 2 and 3, the upper end of the left conductive support 6 is provided with a left end to seal a left mounting groove 15 with a right end opening and a U-shaped opening, the front side wall and the rear side wall of the left mounting groove 15 are fixedly provided with arc-shaped elastic pieces 14, the protruding parts of the two arc-shaped elastic pieces 14 are arranged relatively, the two arc-shaped elastic pieces 14 and the bottom wall of the left mounting groove form a clamping space for clamping a glass tube fuse 1, the upper end of the right conductive support 9 is provided with a right end to seal a right mounting groove with a left end opening and a U-shaped opening, the front side wall and the rear side wall of the right mounting groove are fixedly provided with arc-shaped elastic pieces 14, and the left end and the right end of the glass tube fuse 1 are respectively clamped in the left mounting groove 15 and the right mounting groove. According to the needs, the arc-shaped elastic sheet 14 is made of brass material with good electric conductivity, the two ends of the glass tube fuse 1 are respectively in close contact with the groove walls of the left mounting groove 15 and the right mounting groove through the elasticity of the arc-shaped elastic sheet 14, the electric conductivity reliability is guaranteed, meanwhile, the glass tube fuse 1 can be conveniently and rapidly mounted on the left electric conduction support 6 and the right electric conduction support 9 or the glass tube fuse 1 can be rapidly dismounted from the left electric conduction support 6 and the right electric conduction support 9, and the time for maintenance is saved.
As shown in fig. 1, 2 and 3, an opening is provided on the protective shell 10 corresponding to the position above the glass tube fuse 1, and a protective cover 11 made of transparent material is detachably mounted at the opening of the protective shell 10 through a screw 12. Through being equipped with the opening on protective housing 10 and adopting the visor 11 of being made by transparent material, be convenient for observe the condition whether glass pipe fuse 1 is fused, only need to pull down visor 11 when changing glass pipe fuse 1 simultaneously and can change.
As shown in fig. 1, 2 and 3, a light emitting diode 13 is connected in series between the left conductive support 6 and the left conductive sheet 3, and a mounting hole is formed in the rear side of the protective shell 10, in which the light emitting diode 13 is mounted. Through setting up emitting diode 13, when glass pipe fuse 1 was not blown, emitting diode 13 was the normal bright state, and when glass pipe fuse 1 was blown, emitting diode 13 then goes out, and then can make the more audio-visual condition of understanding glass pipe fuse 1 of maintainer.
As shown in fig. 1, 2 and 3, the left connecting terminal comprises a connecting terminal 4 fixedly installed on the left conducting strip 3, a compression nut 5 is screwed on the connecting terminal 4, and the right connecting terminal comprises a connecting nose 8 fixedly connected with the right conducting strip 7. According to the needs, terminal 4 and wiring nose 8 are made by the brass material that electric conductive property is good, through setting up terminal 4, are convenient for fast with the low tension cable winding on terminal 4 and compress tightly through gland nut 5, are convenient for carry out the electricity with transformer low voltage wiring terminal fast through setting up wiring nose 8 and are connected to shorten installation time.
As shown in fig. 3, the fixing base 2 is a rectangular structure, and four corners of the fixing base 2 are provided with bolt mounting holes. The bolt mounting holes are formed in the fixing seat 2, so that the fixing seat 2 can be fixedly mounted on the box body of the distribution transformer through bolts.
The above technical features constitute the best embodiment of the present invention, which has strong adaptability and best implementation effect, and unnecessary technical features can be increased or decreased according to actual needs to meet the requirements of different situations.
Claims (10)
1. The utility model provides a distribution transformer prevents scaling loss protection device, its characterized in that includes glass pipe fuse, fixing base and protective housing, fixing base top surface left part fixed mounting has left conducting strip, the left end of left conducting strip is equipped with left binding post, the right-hand member of left conducting strip is equipped with the electrically conductive support in a left side that is used for installing glass pipe fuse, fixing base top surface right part fixed mounting has right conducting strip, the right-hand member of right conducting strip is equipped with right binding post, the left end of right conducting strip is equipped with the electrically conductive support in the right side that is used for installing glass pipe fuse, glass pipe fuse can dismantle fixed mounting between electrically conductive support in a left side and the electrically conductive support in the right side, the protective housing is installed in the top of fixing base and with electrically conductive support in a left side, electrically conductive support in the right side and glass pipe fuse cover in its inside.
2. The distribution transformer anti-burning protection device according to claim 1, wherein the upper end of the left conductive support is provided with a left mounting groove with a left end closed and a right end opened and opened upwards, the front side wall and the rear side wall of the left mounting groove are both fixedly provided with arc-shaped elastic pieces, the protruding parts of the two arc-shaped elastic pieces are arranged oppositely, the two arc-shaped elastic pieces and the bottom wall of the left mounting groove form a clamping space for clamping a glass tube fuse, the upper end of the right conductive support is provided with a right mounting groove with a right end closed and a U-shaped right mounting groove with a left end opened and opened upwards, the front side wall and the rear side wall of the right mounting groove are both fixedly provided with arc-shaped elastic pieces, and the left end and the right end of the glass tube fuse are respectively clamped in the left mounting groove and the right mounting groove.
3. The distribution transformer burning loss prevention protection device according to claim 1 or 2, wherein an opening is provided on the protection shell corresponding to the position above the glass tube fuse, and a protection cover made of transparent material is detachably mounted corresponding to the opening of the protection shell through a screw.
4. The distribution transformer of claim 1 or 2, wherein a light emitting diode is connected in series between the left conductive support and the left conductive sheet, and a mounting hole is formed at the rear side of the protective casing, and the light emitting diode is mounted in the mounting hole.
5. The distribution transformer of claim 3, wherein a light emitting diode is connected in series between the left conductive support and the left conductive plate, and a mounting hole is formed in the rear side of the protective casing, and the light emitting diode is mounted in the mounting hole.
6. The distribution transformer anti-burning protection device of claim 1, 2 or 5, wherein the left connection terminal comprises a connection terminal fixedly mounted on the left conductive sheet, a compression nut is screwed on the connection terminal, and the right connection terminal comprises a connection lug fixedly connected with the right conductive sheet.
7. The distribution transformer of claim 3, wherein the left terminal comprises a terminal fixedly mounted on the left conductive plate, a compression nut is screwed on the terminal, and the right terminal comprises a terminal lug fixedly connected with the right conductive plate.
8. The distribution transformer anti-burning protection device of claim 4, wherein the left terminal comprises a terminal post fixedly mounted on the left conductive sheet, a compression nut is screwed on the terminal post, and the right terminal comprises a terminal lug fixedly connected with the right conductive sheet.
9. The distribution transformer of claim 1 or 2 or 5 or 7 or 8, wherein the fixing base is rectangular, and four corners of the fixing base are provided with a bolt mounting hole.
10. The apparatus according to claim 3, wherein the fixing base is rectangular, and each of four corners of the fixing base is provided with a bolt mounting hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121206964.3U CN215580350U (en) | 2021-06-01 | 2021-06-01 | Anti-burning protection device for distribution transformer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121206964.3U CN215580350U (en) | 2021-06-01 | 2021-06-01 | Anti-burning protection device for distribution transformer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215580350U true CN215580350U (en) | 2022-01-18 |
Family
ID=79865353
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121206964.3U Active CN215580350U (en) | 2021-06-01 | 2021-06-01 | Anti-burning protection device for distribution transformer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215580350U (en) |
-
2021
- 2021-06-01 CN CN202121206964.3U patent/CN215580350U/en active Active
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| GR01 | Patent grant |