CN212231328U - Capacitive power supply for outdoor telegraph pole - Google Patents
Capacitive power supply for outdoor telegraph pole Download PDFInfo
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- CN212231328U CN212231328U CN202021164925.7U CN202021164925U CN212231328U CN 212231328 U CN212231328 U CN 212231328U CN 202021164925 U CN202021164925 U CN 202021164925U CN 212231328 U CN212231328 U CN 212231328U
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Abstract
The utility model discloses a capacitanc power for on outdoor wire pole, including ware body, copper nut, printed wiring board, high-voltage capacitor group, reactor, transformer and protection circuit, the transformer includes that the transformer is elementary and transformer secondary, and copper nut, high-voltage capacitor group, reactor, transformer are elementary, protection circuit connect gradually and constitute series circuit, through above-mentioned structure for capacitanc high-voltage power supply is insulating, the leakproofness is good, and it is little influenced by external environment, is applicable to the use in a plurality of places such as outdoor wire pole, can satisfy all kinds of measurement in the distribution network, monitoring and protection device's power supply demand.
Description
Technical Field
The utility model relates to a capacitanc power for on outdoor wire pole.
Background
Various metering, monitoring and protecting devices are widely used in intelligent power distribution networks, and all electronic equipment needs a power supply. Along with the rapid development of electronic devices, the power consumption of electronic equipment is lower and lower, and in recent years, a capacitor voltage-reducing type small power supply is used on a power grid, so that the power supply well meets the power supply requirement of the electronic equipment for the power grid, and compared with the traditional electromagnetic type mutual inductor power supply, the power supply has the advantages of low self power consumption, small volume, light weight, less consumption of nonferrous metals such as copper, iron and the like. However, different capacitance step-down small power supplies have different structural characteristics and are suitable for different occasions; such as: on outdoor telegraph poles, the capacitive high-voltage power supply also needs to have enough performance of resisting external environment interference on the premise of ensuring the normal work of the outdoor telegraph poles.
SUMMERY OF THE UTILITY MODEL
The to-be-solved technical problem of the utility model is to provide a convenient to use, the installation of being convenient for, insulating nature, leakproofness are good, and it is little influenced by external environment, can be applicable to the use in a plurality of places such as outdoor wire pole, can satisfy all kinds of measurement in the electric wire netting, monitoring and protection device's power supply demand, and its suitable voltage level is 6 ~ 35 kV's distribution network, has the capacitive power supply that is used for on the outdoor wire pole of practicality and use universality.
In order to solve the above problem, the utility model adopts the following technical scheme:
a capacitive power supply for an outdoor telegraph pole comprises a body, a primary copper nut, a printed circuit board, a high-voltage capacitor bank, a reactor, a transformer and a protection circuit, wherein the body is made of epoxy resin materials, the surface part of the body is coated with a silicon rubber umbrella skirt and protrudes outwards to form a ring shape, the umbrella skirts are different in size and are arranged alternately, an inclined plane is formed on the upper surface of each umbrella skirt from inside to outside, the transformer comprises a transformer primary part and a transformer secondary part, the primary copper nut, the high-voltage capacitor bank, the reactor, the transformer primary part and the protection circuit are sequentially connected and form a series circuit, the primary copper nut is a high-voltage input terminal, a metal bottom plate is arranged at the lower end of the body and connected with the ground to form a working circuit, an aviation socket is arranged at the lower end of the body, and the transformer secondary part is connected with an output voltage end of the aviation socket, the primary copper nut is arranged at the upper end inside the transformer body and connected with the printed circuit board.
Preferably, the upper end of the transformer body is provided with a metal end cover serving as an equalizing ring, and the metal end cover is used for enabling the high-voltage electric field to be distributed more uniformly.
Preferably, the high-voltage capacitor bank is composed of a plurality of capacitors, the capacitors are welded on the printed circuit board, and the number of the capacitors can be adjusted according to the rated working voltage of the power supply.
Preferably, the primary copper nut, the high-voltage capacitor bank, the reactor and the transformer are poured and fixed through epoxy resin to form a whole, so that the structural stability of the primary copper nut is improved, and the production and the manufacturing of equipment are facilitated
Preferably, a containing cavity is formed between the metal bottom plate and the epoxy resin, the protection circuit is arranged in the containing cavity, a copper nut is fixed on the epoxy resin, and the protection circuit is fixed on the copper nut. Overvoltage and overcurrent protection is formed through the protection circuit, normal work of the capacitor type high-voltage power supply cannot be influenced, and the capacitor type high-voltage power supply is protected from being damaged during overvoltage and power frequency withstand voltage tests of a circuit.
The utility model has the advantages that:
1. the primary copper nut, the high-voltage capacitor bank, the reactor and the transformer are poured by epoxy resin, so that the insulating structure is reasonable, and the structure is compact, small in size and convenient to manufacture.
2. The high-voltage capacitor bank is formed by connecting a plurality of capacitors in series, and different rated working voltages can be adapted by increasing or decreasing the number of the capacitors.
3. The umbrella skirt is arranged on the outer side of the device body, so that the flashover distance and the creepage distance are increased, the electric leakage condition is prevented, and the safety is improved.
Drawings
In order to illustrate the embodiments of the present invention or the technical solutions in the prior art more clearly, the drawings used in the description of the embodiments or the prior art will be briefly described below, but the scope of the present invention is not limited thereto.
Fig. 1 is a schematic structural view of the present invention;
the transformer comprises a transformer body 1, a metal end cover 2, a primary copper nut 3, a printed circuit board 4, a high-voltage capacitor bank 5, a reactor 6, a transformer 7, a copper nut 8, a protection circuit 9, an aviation socket 10, a metal bottom plate 11 and an umbrella skirt 12.
Detailed Description
Referring to fig. 1, the capacitive power supply for the outdoor telegraph pole comprises a body 1, a primary copper nut 3, a printed circuit board 4, a high-voltage capacitor bank 5, a reactor 6, a transformer 7 and a protection circuit 9, wherein the body 1 is made of epoxy resin materials, a silicon rubber umbrella skirt 12 is partially coated on the surface of the body 1 and protrudes outwards to form a ring shape, the umbrella skirts 12 are different in size and are alternately arranged, an inclined plane is formed on the upper surface of the umbrella skirt 12 from inside to outside, the transformer 7 comprises a transformer primary side and a transformer secondary side, the primary copper nut 3, the high-voltage capacitor bank 5, the reactor 6, the transformer primary side and the protection circuit 9 are sequentially connected to form a series circuit, the primary copper nut 3 is a high-voltage input terminal, a metal bottom plate 11 is arranged at the lower end of the body 1, and the metal bottom plate 11 is connected with the ground to form a working circuit, an aviation socket 10 is arranged in the cavity at the lower part of the device body 1, the secondary side of the transformer is connected with the aviation socket 10 to output voltage, the primary copper nut 3 is arranged at the upper end inside the device body 1, and the primary copper nut 3 is connected with the printed circuit board 4 to provide alternating voltage for the work of electronic equipment.
Further, a metal end cover 2 is arranged at the upper end of the body 1.
Furthermore, the high-voltage capacitor group 5 is composed of a plurality of capacitors, the capacitors are welded on the printed circuit board 4, copper foils are arranged on the printed circuit board 4, the capacitors are connected through the copper foils on the printed circuit board 4, meanwhile, the number of the capacitors can be adjusted according to the rated working voltage of a power supply, the number of the capacitors is increased or decreased so as to be suitable for different voltage levels, and the application range of the capacitors is enlarged.
Further, the primary copper nut 3, the high-voltage capacitor bank 5, the reactor 6 and the transformer 7 are poured and fixed through epoxy resin to form a whole.
Further, a containing cavity is formed between the metal base plate 11 and the epoxy resin, the protection circuit 9 is arranged in the containing cavity, the copper nut 8 is fixed on the epoxy resin, the protection circuit 9 is fixed on the copper nut 8, and meanwhile the copper nut 8 is connected with the primary of the transformer.
The utility model discloses during the use, with the screw high tension cable's conductor part and a copper nut fastening connection, carry out the access of external equipment through the aviation socket simultaneously.
The above is only the specific embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any changes or substitutions that are not thought of through the creative work should be covered within the protection scope of the present invention. Therefore, the protection scope of the present invention should be subject to the protection scope defined by the claims.
Claims (6)
1. The utility model provides a capacitanc power for on outdoor wire pole, includes ware body, copper nut, printed circuit board, high-voltage capacitor group, reactor, transformer and protection circuit, its characterized in that: the transformer body is made of epoxy resin materials, an annular silicon rubber umbrella skirt is formed by protruding the part of the body to the outside, the umbrella skirts are different in size and are arranged alternately, an inclined plane is formed on the upper surface of the umbrella skirt from inside to outside, the transformer comprises a transformer primary and a transformer secondary, a primary copper nut, a high-voltage capacitor bank, a reactor, a transformer primary and a protection circuit are sequentially connected and form a series circuit, the primary copper nut is a high-voltage input terminal, a metal bottom plate is arranged at the lower end of the body and connected with the ground to form a working loop, an aviation socket is arranged at the lower end of the body, the transformer secondary is connected with an output voltage end of the aviation socket, the primary copper nut is arranged at the upper end inside the body, and the primary copper nut is connected with a printed circuit board.
2. The capacitive power supply of claim 1 for use on an outdoor pole, wherein: the upper end of the transformer body is provided with a metal end cover.
3. The capacitive power supply of claim 1 for use on an outdoor pole, wherein: the high-voltage capacitor bank is composed of a plurality of capacitors, and the number of the capacitors can be adjusted according to the rated working voltage of the power supply.
4. The capacitive power supply of claim 3, wherein the capacitive power supply comprises: the capacitors are welded on the circuit board and are communicated through copper foils on the printed circuit board to form a high-voltage capacitor bank.
5. The capacitive power supply of claim 1 for use on an outdoor pole, wherein: the primary copper nut, the high-voltage capacitor bank, the reactor and the transformer are poured and fixed through epoxy resin to form a whole.
6. The capacitive power supply of claim 1 for use on an outdoor pole, wherein: a containing cavity is formed between the metal bottom plate and the epoxy resin, the protection circuit is arranged in the containing cavity, a copper nut is fixed on the epoxy resin, and the protection circuit is fixed on the copper nut.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021164925.7U CN212231328U (en) | 2020-06-22 | 2020-06-22 | Capacitive power supply for outdoor telegraph pole |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021164925.7U CN212231328U (en) | 2020-06-22 | 2020-06-22 | Capacitive power supply for outdoor telegraph pole |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212231328U true CN212231328U (en) | 2020-12-25 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021164925.7U Active CN212231328U (en) | 2020-06-22 | 2020-06-22 | Capacitive power supply for outdoor telegraph pole |
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| Country | Link |
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| CN (1) | CN212231328U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2024124669A1 (en) * | 2022-12-12 | 2024-06-20 | 江苏靖江互感器股份有限公司 | Lc compatible voltage sensor |
-
2020
- 2020-06-22 CN CN202021164925.7U patent/CN212231328U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2024124669A1 (en) * | 2022-12-12 | 2024-06-20 | 江苏靖江互感器股份有限公司 | Lc compatible voltage sensor |
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