CN114284102A - Secondary fusion outdoor pole - Google Patents
Secondary fusion outdoor pole Download PDFInfo
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- CN114284102A CN114284102A CN202111626536.0A CN202111626536A CN114284102A CN 114284102 A CN114284102 A CN 114284102A CN 202111626536 A CN202111626536 A CN 202111626536A CN 114284102 A CN114284102 A CN 114284102A
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- insulating
- pull rod
- insulating pull
- secondary fusion
- pole
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- 230000004927 fusion Effects 0.000 title claims abstract description 18
- 230000003068 static effect Effects 0.000 claims abstract description 14
- 239000003822 epoxy resin Substances 0.000 claims description 5
- 229920000647 polyepoxide Polymers 0.000 claims description 5
- 230000008878 coupling Effects 0.000 claims description 3
- 238000010168 coupling process Methods 0.000 claims description 3
- 238000005859 coupling reaction Methods 0.000 claims description 3
- 230000005684 electric field Effects 0.000 abstract description 4
- 230000000149 penetrating effect Effects 0.000 abstract 1
- 238000010586 diagram Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000008602 contraction Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000011810 insulating material Substances 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 230000013011 mating Effects 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 230000001960 triggered effect Effects 0.000 description 1
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Abstract
The invention discloses a secondary fusion outdoor pole in the technical field of electrical components, which comprises an insulating pull rod, a side conducting rod, a mutual inductor and a vacuum arc extinguish chamber, wherein the insulating pull rod, the side conducting rod, the mutual inductor and the vacuum arc extinguish chamber are arranged in an insulating shell, the static end of the vacuum arc extinguish chamber is fixedly connected with a static conductive contact penetrating to the outside of the insulating shell, the outer end of the side conducting rod penetrates through the mutual inductor and extends to the outside of the insulating shell, the inner end of the side conducting rod is connected with the movable end of the vacuum arc extinguish chamber through a soft connecting wire, the movable end of the vacuum arc extinguish chamber is connected with the insulating pull rod extending to the outside of the insulating shell, the insulating pull rod slides in a straight line in the insulating shell, one end of the soft connecting wire is arranged on the insulating pull rod and moves along with the insulating pull rod, the vacuum arc extinguish chamber is arranged in the insulating shell and is connected with a current inductor, the static conductive contact has a resistor, the side conducting rod is arranged to form an integrated negative outer pole, the inner structure also adopts a soft connecting wire mode, the front-back creepage distance reaches 500mm, during operation, the electric field is more stable, and each structure is smoother during operation and is not easy to block.
Description
Technical Field
The invention relates to the technical field of electrical components, in particular to a secondary fusion outdoor pole.
Background
The pole is formed by simultaneously embedding the vacuum arc-extinguishing chamber and the related conductive parts of the circuit breaker into the easily-cured solid insulating materials such as epoxy resin, so that the whole circuit breaker pole is an integral component.
The creepage distance that current utmost point post formed is less, and electric field stability is relatively poor, and each structure during operation is smooth and easy, blocks easily.
Based on the technical scheme, the invention designs the secondary fusion outdoor pole to solve the problems.
Disclosure of Invention
The invention aims to provide a secondary fusion outdoor pole so as to solve the problem of poor stability of the existing electric field in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme: the utility model provides an outdoor utmost point post of secondary fusion, is including setting up at inside insulating pull rod, side guide pole, mutual-inductor, the vacuum interrupter, the quiet end rigid coupling of vacuum interrupter has the quiet electrically conductive contact that runs through to the insulating casing outside, side guide pole outer end is passed the mutual-inductor and is extended to the insulating casing outside, side guide pole inner and vacuum interrupter move and connect through the flexible connecting wire between the end, the vacuum interrupter moves the end and connects the insulating pull rod that extends to the insulating casing outside, insulating pull rod is sharp at the insulating casing internal slip, flexible connecting wire one end sets up and follows the removal on insulating pull rod.
Preferably, the insulating shell is provided with an umbrella skirt corresponding to the insulating pull rod, the side electric guide rod and the vacuum arc extinguish chamber.
Preferably, an inner cavity for the insulating pull rod to move is formed in the bottom of the insulating shell, the umbrella skirt corresponding to the insulating pull rod comprises an outer umbrella skirt arranged on the outer wall of the insulating shell and an inner umbrella skirt arranged in the inner cavity, and the outer umbrella skirt is of an elliptical structure.
Preferably, the umbrella skirt corresponding to the position of the vacuum arc extinguish chamber comprises a high umbrella skirt and a low umbrella skirt with different outer diameters, and the high umbrella skirt and the low umbrella skirt are alternately arranged at equal intervals in sequence.
Preferably, the side pole is connected with first resistance, quiet conductive contact is connected with the second resistance, the free end of first resistance and second resistance all extends to insulating casing bottom, the positive negative pole of mutual-inductor all extends to insulating casing bottom.
Preferably, the insulating case is made of epoxy resin.
Preferably, insulating housing is "T" type structure, insulating pull rod and vacuum interrupter set up at the opposite both ends of insulating housing, the side guide pole sets up at the insulating housing other end.
Preferably, be connected with the first resistance that extends to insulating housing bottom on the side guide pole, be connected with the second resistance that extends to insulating housing bottom on the static conductive contact.
Preferably, a telescopic electromagnet connected with the insulating pull rod is arranged, and the telescopic electromagnet is connected with the mutual inductor through a current overload protection circuit.
Preferably, the insulating pull rod is connected with an inner sliding block through a sliding groove in a sliding mode, the outer wall of the inner sliding block is connected with a limit switch in a rotating mode, and the limit switch is connected to the bottom of the insulating shell in a threaded mode.
Compared with the prior art, the invention has the beneficial effects that: according to the invention, the vacuum arc extinguish chamber is arranged above the inner part of the insulating shell and is connected with the current inductor, the static conductive contact belt is provided with the resistor, the side conductive pole is provided with the resistor and is formed into an integrated negative outer pole, the inner structure also adopts a flexible connecting wire mode, the front and back creepage distance reaches 500mm, during operation, the electric field is more stable, and each structure is smoother during operation and is not easy to block.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without creative efforts.
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a half sectional view of the present invention;
FIG. 3 is a schematic diagram of the transformer of the present invention;
FIG. 4 is a schematic view of the structure of the insulating pull rod and its mating parts according to the present invention;
fig. 5 is a schematic diagram of a current overload protection circuit according to the present invention.
1. An insulating housing; 3. an insulating pull rod; 31. a telescopic electromagnet; 32. a limit switch; 4. a first resistor; 5. a flexible connecting wire; 6. a side conductive inductor; 7. a transformer; 8. a vacuum arc-extinguishing chamber; 9. a static conductive contact; 10. a second resistor.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The utility model provides an outdoor utmost point post of secondary fusion, including setting up at the inside insulating pull rod 3 of insulating housing 1, side guide pole 6, mutual-inductor 7, vacuum interrupter 8, 8 quiet end rigid couplings of vacuum interrupter have and run through to 1 outside static conductive contact 9 of insulating housing, 6 outer ends of side guide pole pass mutual-inductor 7 and extend to 1 outside of insulating housing, 6 inner and the vacuum interrupter 8 of side guide pole move between the end and connect through flexible connecting wire 5, vacuum interrupter 8 move the end and connect the insulating pull rod 3 that extends to 1 outside of insulating housing, insulating pull rod 3 is the rectilinear sliding in insulating housing 1, 5 one end settings of flexible connecting wire follow the removal on insulating pull rod 3.
Furthermore, an umbrella skirt is arranged on the insulating shell 1 corresponding to the insulating pull rod 3, the side electric guide rod 6 and the vacuum arc-extinguishing chamber 8.
Further, the inner cavity that supplies insulating pull rod 3 to remove is seted up to insulating housing 1 bottom, and the full skirt that corresponds insulating pull rod 3 is the ellipse circular structure including setting up the outer full skirt and the interior full skirt of setting at the inner cavity at insulating housing 1 outer wall, outer full skirt.
Furthermore, the umbrella skirt corresponding to the position of the vacuum arc extinguish chamber 8 comprises a high umbrella skirt and a low umbrella skirt with different outer diameters, and the high umbrella skirt and the low umbrella skirt are sequentially arranged alternately at equal intervals.
Further, the side conducting rod 6 is connected with a first resistor 4, the static conducting contact 9 is connected with a second resistor 10, free ends of the first resistor 4 and the second resistor 10 extend to the bottom of the insulating shell 1, and the anode and the cathode of the mutual inductor 7 extend to the bottom of the insulating shell 1.
Further, the insulating case 1 is made of epoxy resin.
Further, insulating housing 1 is "T" type structure, and insulating pull rod 3 and vacuum interrupter 8 set up at the opposite both ends of insulating housing 1, and side guide pole 6 sets up at the insulating housing 1 other end.
Further, a first resistor 4 extending to the bottom of the insulating housing 1 is connected to the side conducting rod 6, and a second resistor 10 extending to the bottom of the insulating housing 1 is connected to the static conducting contact 9.
Furthermore, a telescopic electromagnet 31 connected with the insulating pull rod 3 is arranged, and the telescopic electromagnet 31 is connected with the mutual inductor 3 through a current overload protection circuit.
Further, there is an inner slide block on the insulating pull rod 3 through sliding connection of the chute, the outer wall of the inner slide block is rotatably connected with a limit switch 32, and the limit switch is connected to the bottom of the insulating shell 1 through threads.
One embodiment of the invention:
the insulating housing 1 and the limit switch 32 are made of epoxy resin: the insulating shell 1 is of a T-shaped structure;
insulating pull rod 3: the lower end of the insulating shell 1 is internally provided with a hollow bottom opening, the insulating pull rod 3 is arranged in the lower end of the insulating shell 1, the upper end of the insulating pull rod 3 is connected with the movable end of the vacuum arc extinguish chamber 8, the lower end of the insulating pull rod 3 extends to the lower part of the bottom of the insulating pull rod 3, and the double functions of insulation between high voltage and the ground and transmission of operating force are achieved;
the soft connecting wire 5: the movable end of the vacuum arc extinguish chamber 8 is connected with one end of the side electric pole 6 to connect current, and the distance stroke of the contact can be linked up and down;
side guide pole 6: the side guide pole is arranged at the side end of the insulating shell 1, one end of the side guide pole 6 penetrates through the side end of the insulating shell 1 to the outside, and is connected with internal and external current conduction;
and a mutual inductor 7: the mutual inductor can proportionally reduce alternating voltage and large current to values which can be directly measured by an instrument, is convenient for the direct measurement of the instrument, simultaneously provides power for relay protection and an automatic device, is arranged at the side end of the insulating shell 1, the side electric conducting rod 6 penetrates through the mutual inductor 7, and the mutual inductor 7 is not surrounded by an umbrella skirt on the outer wall of the side end of the insulating shell 1;
vacuum arc-extinguishing chamber 8: the insulating tube is arranged at the upper end of the insulating shell 1, and can rapidly extinguish arc and restrain current to avoid accidents and accidents after the power supply of the medium-high voltage circuit is cut off through the excellent insulating property of vacuum in the tube;
static conductive contact 9: one end is connected with vacuum interrupter 8, and the other end runs through insulating casing 1 upper end to the outside for connect inside and outside electric current.
Insulating pull rod 3 slides at insulating casing 1 inside straight line relatively, and 5 one end settings of flexible connecting wire are on insulating pull rod 3, promote insulating pull rod 3 and can drive 5 one end of flexible connecting wire and 8 movable ends of vacuum interrupter and be connected or break away from.
When the mutual inductor 7 senses that the current on the side conducting electric pole 6 is too large, the telescopic electromagnet 31 is started through the current overload circuit, the telescopic electromagnet 31 drives the insulating pull rod 3 to move for one end distance, and therefore one end of the flexible connecting wire 5 is separated from the movable end of the vacuum arc extinguish chamber 8.
A worker can manually control whether the insulating pull rod 3 can move or not through the limit switch 32, and the limit switch 32 is rotated relative to the insulating shell 1, so that the inner sliding block linearly moves inwards under the guidance of the sliding groove of the insulating pull rod 3 until the inner sliding block relatively moves to the sliding groove of the insulating pull rod 3 for limiting, at the moment, the inner sliding block cannot continuously move inwards to be close to the vacuum arc extinguish chamber 8, and at the moment, one end of the flexible connecting wire 5 on the insulating pull rod 3 is connected with the movable end of the vacuum arc extinguish chamber 8; at this time, the insulating rod 3 cannot be moved by the expansion and contraction of the expansion electromagnet 31.
The telescopic electromagnet 31 has a self-locking function, a travel switch for controlling the on-off of the telescopic electromagnet 31 is installed in the insulating shell 1, the travel switch is triggered when the limit switch 32 rotates and moves inwards, and at the moment, the telescopic electromagnet 31 is switched off; when the limit switch 32 rotates and moves outwards, the inner slide block relatively moves to the middle position of the sliding groove of the insulating pull rod 3, and at the moment, the travel switch reset telescopic electromagnet 31 is communicated; the damage caused by limiting the telescopic electromagnet 31 when the insulating pull rod 3 cannot move is avoided.
The current overload protection circuit comprises a first resistor R1, a second resistor R2 and a triode Q1;
the base electrode of the triode is connected with the mutual inductor 7 through a first resistor and is also grounded through a second resistor R2; the emitter of the triode Q1 is grounded; the collector of the transistor Q1 is connected to the telescopic electromagnet 31.
When the mutual inductor 7 detects that the current on the side electric conducting rod 6 is larger than a preset value, a high level can be output, so that the current which enters the ground after passing through the first resistor R1 and the second resistor R2 is formed, the voltage generated on the second resistor R2 can control the conduction of the triode Q1, and the conduction of the triode Q1 causes the electrification of the telescopic electromagnet 31.
The electrical equipment is connected with an external power supply through an external control switch.
In the description herein, references to the description of "one embodiment," "an example," "a specific example" or the like are intended to mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
The preferred embodiments of the invention disclosed above are intended to be illustrative only. The preferred embodiments are not intended to be exhaustive or to limit the invention to the precise embodiments disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and the practical application, to thereby enable others skilled in the art to best utilize the invention. The invention is limited only by the claims and their full scope and equivalents.
Claims (10)
1. The utility model provides an outdoor utmost point post of secondary fusion which characterized in that: including setting up insulating pull rod (3), side guide pole (6), mutual-inductor (7), vacuum interrupter (8) inside insulating casing (1), the quiet end rigid coupling of vacuum interrupter (8) has static conductive contact (9) that run through to insulating casing (1) outside, side guide pole (6) outer end passes mutual-inductor (7) and extends to insulating casing (1) outside, side guide pole (6) inner and vacuum interrupter (8) move between the end and connect through flexible connecting wire (5), vacuum interrupter (8) move the end and connect and extend to insulating casing (1) outside insulating pull rod (3), insulating pull rod (3) sharp slip in insulating casing (1), flexible connecting wire (5) one end sets up and follows the removal on insulating pull rod (3).
2. The secondary fusion outdoor pole column of claim 1, which is characterized in that: the insulating shell (1) is provided with umbrella skirts corresponding to the insulating pull rod (3), the side guide pole (6) and the vacuum arc-extinguishing chamber (8).
3. The secondary fusion outdoor pole column of claim 2, which is characterized in that: the inner cavity that supplies insulating pull rod (3) to remove is seted up to insulating casing (1) bottom, and the full skirt that corresponds insulating pull rod (3) is the ellipse type structure including setting up the outer full skirt at insulating casing (1) outer wall and setting up the interior full skirt at the inner cavity, outer full skirt.
4. The secondary fusion outdoor pole column of claim 3, characterized in that: the umbrella skirt corresponding to the position of the vacuum arc extinguish chamber (8) comprises a high umbrella skirt and a low umbrella skirt with different outer diameters, and the high umbrella skirt and the low umbrella skirt are sequentially arranged at equal intervals in an alternating mode.
5. The secondary fusion outdoor pole column of claim 4, which is characterized in that: side guide pole (6) are connected with first resistance (4), quiet conductive contact (9) are connected with second resistance (10), the free end of first resistance (4) and second resistance (10) all extends to insulating casing (1) bottom, mutual-inductor (7) positive negative pole all extends to insulating casing (1) bottom.
6. The secondary fusion outdoor pole column of claim 1, which is characterized in that: the insulating housing (1) is made of epoxy resin.
7. The secondary fusion outdoor pole column of claim 1, which is characterized in that: insulating housing (1) is "T" type structure, insulating pull rod (3) and vacuum interrupter (8) set up at insulating housing (1) opposite both ends, side guide pole (6) set up at the insulating housing (1) other end.
8. The secondary fusion outdoor pole column of claim 1, which is characterized in that: be connected with first resistance (4) that extend to insulating casing (1) bottom on side guide pole (6), be connected with second resistance (10) that extend to insulating casing (1) bottom on static conductive contact (9).
9. The secondary fusion outdoor pole column of claim 1, which is characterized in that: the transformer is provided with a telescopic electromagnet (31) connected with an insulating pull rod (3), and the telescopic electromagnet (31) is connected with the transformer (3) through a current overload protection circuit.
10. The secondary fusion outdoor pole of claim 9, characterized in that: an inner sliding block is connected to the insulating pull rod (3) through a sliding groove in a sliding mode, a limit switch (32) is connected to the outer wall of the inner sliding block in a rotating mode, and the limit switch is connected to the bottom of the insulating shell (1) in a threaded mode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111626536.0A CN114284102A (en) | 2021-12-28 | 2021-12-28 | Secondary fusion outdoor pole |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111626536.0A CN114284102A (en) | 2021-12-28 | 2021-12-28 | Secondary fusion outdoor pole |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN114284102A true CN114284102A (en) | 2022-04-05 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111626536.0A Pending CN114284102A (en) | 2021-12-28 | 2021-12-28 | Secondary fusion outdoor pole |
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| Country | Link |
|---|---|
| CN (1) | CN114284102A (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2008123900A (en) * | 2006-11-14 | 2008-05-29 | Mitsubishi Electric Corp | Control circuit device for drawing type circuit breaker device |
| CN106253120A (en) * | 2016-07-27 | 2016-12-21 | 张力 | A kind of solid insulation switch integrating chopper and disconnecting switch |
| CN110473739A (en) * | 2019-08-19 | 2019-11-19 | 陕西省地方电力(集团)有限公司延安供电分公司 | A kind of novel one or two fusions vacuum circuit breaker polar |
| CN210006664U (en) * | 2019-07-18 | 2020-01-31 | 苏州科陆东自电气有限公司 | multifunctional circuit breaker solid-sealed polar pole |
-
2021
- 2021-12-28 CN CN202111626536.0A patent/CN114284102A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2008123900A (en) * | 2006-11-14 | 2008-05-29 | Mitsubishi Electric Corp | Control circuit device for drawing type circuit breaker device |
| CN106253120A (en) * | 2016-07-27 | 2016-12-21 | 张力 | A kind of solid insulation switch integrating chopper and disconnecting switch |
| CN210006664U (en) * | 2019-07-18 | 2020-01-31 | 苏州科陆东自电气有限公司 | multifunctional circuit breaker solid-sealed polar pole |
| CN110473739A (en) * | 2019-08-19 | 2019-11-19 | 陕西省地方电力(集团)有限公司延安供电分公司 | A kind of novel one or two fusions vacuum circuit breaker polar |
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