CN211265256U - Safe, convenient and pollution-resistant voltage transformer - Google Patents
Safe, convenient and pollution-resistant voltage transformer Download PDFInfo
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- CN211265256U CN211265256U CN201922438232.6U CN201922438232U CN211265256U CN 211265256 U CN211265256 U CN 211265256U CN 201922438232 U CN201922438232 U CN 201922438232U CN 211265256 U CN211265256 U CN 211265256U
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- voltage transformer
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Abstract
The utility model relates to a safe, convenient and pollution-resistant voltage transformer, which comprises a voltage transformer main body, wherein the voltage transformer main body is provided with a primary connecting terminal and a secondary connecting terminal, an iron core is arranged in the voltage transformer main body, and the inner side and the outer side of the iron core are respectively wound with a primary winding and a secondary winding; a fuse is arranged in the primary wiring terminal; two ends of the primary winding and the secondary winding are respectively connected with a voltage protection device and an alarm device through secondary wiring terminals, and the wiring mode adopts an aviation socket mode; the voltage transformer comprises a voltage transformer body, an iron core, a primary winding and a secondary winding, wherein the voltage transformer body is filled with epoxy resin, and the iron core, the primary winding and the secondary winding are hermetically wrapped in the epoxy resin; the voltage transformer is safe, convenient and anti-fouling, the main body of the voltage transformer is a totally-enclosed sealing structure, the installation is easy, and the structure is stable; the wiring mode adopts an aviation socket mode, the misconnection phenomenon is not easy to occur, the maintenance and the protection are facilitated, and the electricity stealing prevention capability is strong.
Description
Technical Field
The utility model belongs to the technical field of electrical equipment and specifically relates to a safe, convenient, anti filthy voltage transformer of soil.
Background
With the advance of smart grid construction, how to perform online monitoring on power equipment of a smart grid becomes a problem to be solved urgently. In the construction process of the smart power grid, the real-time monitoring of the operation parameters of the power grid is the basis, the measurement of the current and the voltage of the high-voltage line is the basis, and the power, the harmonic waves and other parameters can be further calculated only by realizing the measurement of the voltage and the current.
The voltage transformer is used for measuring voltage in a high-voltage electrical appliance and converting the voltage into high voltage and low voltage to use the voltage transformer as a power supply of an intelligent control circuit of the high-voltage electrical appliance. The common power transformer has large volume, does not have sealing measures and is complex to install; when being installed, the high-voltage electric appliance is mostly required to be placed outside a shell of the high-voltage electric appliance, so the high-voltage electric appliance is easy to damage.
In addition, the traditional voltage transformer is easy to accumulate dirt and dust, so that the insulating property of the traditional voltage transformer is obviously reduced, the similar voltage transformer products are mostly in a semi-closed structure, the semi-closed voltage transformer needs to be coated with semiconductor paint due to leakage of an iron core, the magnetic leakage is large, the partial discharge does not reach the standard, and the service life of the product is greatly shortened.
Meanwhile, the traditional secondary junction box of the mutual inductor adopts a detachable sealing cover, so that the misconnection phenomenon is very easy to occur, the maintenance and the protection are not facilitated, and the electricity stealing prevention performance is poor.
SUMMERY OF THE UTILITY MODEL
The utility model provides a safe, convenient and anti-fouling voltage transformer for overcoming the problems, wherein the main body of the voltage transformer is a totally enclosed sealing structure, which is easy to install and has a stable structure; the wiring mode adopts an aviation socket mode, the misconnection phenomenon is not easy to occur, the maintenance and the protection are facilitated, and the electricity stealing prevention capability is strong.
The utility model provides a technical scheme that its technical problem adopted is: a safe, convenient and pollution-resistant voltage transformer comprises a voltage transformer main body, wherein a primary wiring terminal and a secondary wiring terminal are arranged on the voltage transformer main body, an iron core is arranged in the voltage transformer main body, and a primary winding and a secondary winding are respectively wound on the inner side and the outer side of the iron core; a fuse is arranged in the primary wiring terminal; two ends of the primary winding and the secondary winding are respectively connected with a voltage protection device and an alarm device through secondary wiring terminals, and the wiring mode adopts an aviation socket mode; the voltage transformer is characterized in that epoxy resin is filled in the voltage transformer body, and the iron core, the primary winding and the secondary winding are hermetically wrapped in the epoxy resin.
Preferably, a primary fuse is arranged inside the primary wiring terminal, an insulating silicon rubber sheath wraps the primary fuse, and a rain-proof cap is arranged at the outer end of the primary fuse.
Preferably, the primary wiring terminal is connected with an aviation plug, and a secondary fuse is arranged between the aviation plug and the primary wiring terminal.
Preferably, a base is arranged at the bottom of the voltage transformer main body.
Preferably, the secondary winding is additionally provided with an operation power supply protection winding.
Preferably, the primary winding and the secondary winding are wrapped by polyester insulating films.
Preferably, the voltage transformer main body is externally wrapped with insulating silicon rubber, and the silicon rubber is wrapped on the outer layer of the casting body of the voltage transformer main body.
Preferably, an alarm is arranged outside the voltage transformer main body and connected with the control module through a wire, and when the passing voltage is too large, the control module controls the alarm to give an alarm while controlling the primary winding.
Preferably, the control module is connected with a voltmeter through a protection terminal, so that the primary winding is cut off and an alarm is given.
Preferably, the turn ratio of the primary winding to the secondary winding is 20/√ 3:0.1/√ 3: 0.1/3.
The utility model has the advantages that: a safe, convenient and anti-fouling voltage transformer, the main body of the voltage transformer is a totally enclosed sealing structure, the installation is easy, and the structure is stable; the wiring mode adopts an aviation socket mode, so that the misconnection phenomenon is not easy to occur, the maintenance and the protection are facilitated, and the electricity stealing prevention capability is strong; convenient safety and accurate measurement can in time inform relevant personnel through alarm system and repair, avoids the dangerous condition to take place once more, can ensure the life-span of mutual-inductor and operating personnel's life safety, is worth promoting, has improved the product and has resisted oxidation, anti filthy, corrosion-resistant, prevent ability such as fracture, difficult creepage, has prolonged the life of product.
Drawings
The present invention will be further explained with reference to the drawings and examples.
Fig. 1 is a schematic view of the overall structure of a safe, convenient and anti-fouling voltage transformer according to the present invention;
FIG. 2 is a schematic view of a cross-sectional structure of a safe, convenient and contamination-resistant voltage transformer according to the present invention;
fig. 3 is a schematic structural view of the aviation plug of the safe, convenient and anti-pollution voltage transformer of the present invention.
Detailed Description
The present invention will now be described in further detail with reference to the accompanying drawings. These drawings are simplified schematic drawings and illustrate the basic structure of the present invention only in a schematic manner, and thus show only the components related to the present invention.
Examples
As shown in fig. 1 and 2, the safe, convenient and fast anti-fouling voltage transformer comprises a voltage transformer main body 3, wherein the voltage transformer main body 3 is provided with a primary wiring terminal 5 and a secondary wiring terminal 1, an iron core 6 is arranged inside the voltage transformer main body 3, and a primary winding 7 and a secondary winding 8 are respectively wound on the inner side and the outer side of the iron core 6; a fuse 10 is arranged in the primary wiring terminal 5; two ends of the primary winding 7 and two ends of the secondary winding 8 are respectively connected with a voltage protection device and an alarm device through a secondary wiring terminal 1, and the wiring mode adopts an aviation socket mode; the inside of the outer part 3 of the housing of the voltage transformer body is filled with epoxy resin 9.
A primary fuse 10 is arranged inside the primary wiring terminal 5, an insulating silicon rubber sheath 4 wraps the outside of the primary fuse, and a rain-proof cap 12 is arranged at the outer end of the primary fuse.
The primary wiring terminal 5 is connected with an aviation plug 17, and a secondary fuse 15 is arranged between the aviation plug 17 and the primary wiring terminal 5. As shown in fig. 3, the aviation plug 17 has an aviation plug flange 16 in the middle, and an aviation plug secondary outlet terminal 13 and an aviation plug terminal 14 on both sides.
The bottom of the voltage transformer main body 3 is provided with a base 11.
The secondary winding 8 is additionally provided with an operation power supply protection winding.
And polyester insulating films wrap the primary winding 7 and the secondary winding 8.
And the outer part of the voltage transformer main body 3 is wrapped with insulating silicon rubber, and the silicon rubber is wrapped on the outer layer of the casting body of the voltage transformer main body 3.
The voltage transformer is characterized in that an alarm is arranged outside the voltage transformer main body 3 and connected with the control module through a wire, and when the voltage is too large, the control module controls the alarm to give an alarm while controlling the primary winding 7.
The control module is connected with a voltmeter through a protection terminal 2, so that the primary winding 7 is cut off and an alarm is given.
The safe, convenient and anti-pollution voltage transformer of the utility model, through the structural design, the primary winding 7 and the secondary winding 8 realize the real-time detection of the passing voltage, the current can generate electromagnetic induction through the iron core 6, the primary winding 7 and the secondary winding 8 in the transformer can also realize the conversion of the voltage size, the voltage is convenient, safe and accurate measurement, the voltage protection module is arranged in the voltage transformer, when the passing voltage is too large, the detection function of the primary winding can be closed through the control block, thereby avoiding high voltage from passing through the secondary winding 8, and being capable of informing relevant personnel to repair in time through the alarm system, avoiding the reoccurrence of dangerous conditions, ensuring the service life of the mutual inductor and the life safety of operators, being worthy of popularization, the turn ratio of the primary winding 7 to the secondary winding 8 is 20/√ 3:0.1/√ 3: 0.1/3, the conversion and measurement of the voltage size are realized through a reasonable turn ratio, the voltage detection instrument is a voltmeter, the detection function of the primary winding 7 can be controlled in time through a control system, the voltage passing through the voltmeter can be judged, an alarm is arranged outside the shell of the voltage transformer main body and is connected with a control module through a wire, when the passing voltage is too large, the control module controls the alarm to give an alarm while controlling the primary winding 7, the secondary winding 8 and the iron 6 are equally divided into copper wires with good high-quality conductivity and cold-rolled silicon steel sheet iron cores which are formed by winding and annealing, have small iron loss, low magnetic density and stable performance, the insulation performance and the magnetic conductivity can be improved, the replaceable fuse 10 is installed in the primary terminal insulation sleeve, and the polyester insulation films wrap the outer parts of the primary winding 7 and the secondary winding 8, insulation performance can be further strengthened through the polyester insulating film, and the aviation plug 17 is adopted to the mode of connection of secondary winding 8, and this kind of mode of connection not only makes things convenient for safety but also is difficult for taking place the misconnection, and the secondary has increased small-size fuse 15, and convenient the change is easy to be maintained, has further improved the protective capacities of secondary fault. Primary connecting terminal 5 adopts built-in fuse 10 mode, and the fuse is installed in the sleeve of special design, and the outside adopts rain-proof cap 12 sealed, conveniently dismantles and maintains. The product adopts the composite insulation mode of epoxy resin 9 and silicon rubber, the insulation mode greatly improves the capacities of the product such as oxidation resistance, pollution resistance, corrosion resistance, cracking resistance, difficult creepage and the like, and the service life of the product is prolonged.
In light of the foregoing, it will be apparent to those skilled in the art from this disclosure that various changes and modifications can be made without departing from the spirit and scope of the invention. The technical scope of the present invention is not limited to the content of the specification, and must be determined according to the scope of the claims.
Claims (10)
1. The utility model provides a safe, convenient, dirty voltage transformer of anti-soil which characterized in that: the transformer comprises a voltage transformer main body (3), wherein the voltage transformer main body (3) is provided with a primary wiring terminal (5) and a secondary wiring terminal (1), an iron core (6) is arranged in the voltage transformer main body (3), and a primary winding (7) and a secondary winding (8) are respectively wound on the inner side and the outer side of the iron core (6); a fuse (10) is arranged in the primary wiring terminal (5); two ends of the primary winding (7) and the secondary winding (8) are respectively connected with a voltage protection device and an alarm device through a secondary wiring terminal (1), and the wiring mode adopts an aviation socket mode; the voltage transformer is characterized in that epoxy resin (9) is filled in the voltage transformer main body (3), and the iron core (6), the primary winding (7) and the secondary winding (8) are hermetically wrapped in the epoxy resin (9).
2. A safe, convenient and contamination-resistant voltage transformer according to claim 1, characterized in that: a primary fuse (10) is arranged inside the primary wiring terminal (5), an insulating silicon rubber sheath (4) wraps the outside of the primary wiring terminal, and a rain-proof cap (12) is arranged at the outer end of the primary wiring terminal.
3. A safe, convenient and contamination-resistant voltage transformer according to claim 2, characterized in that: the primary wiring terminal (5) is connected with an aviation plug (17), and a secondary fuse (15) is arranged between the aviation plug (17) and the primary wiring terminal (5).
4. A safe, convenient and contamination-resistant voltage transformer according to claim 3, characterized in that: and a base (11) is arranged at the bottom of the voltage transformer main body (3).
5. A safe, convenient and contamination-resistant voltage transformer according to claim 3, characterized in that: and the secondary winding (8) is additionally provided with an operation power supply protection winding.
6. A safe, convenient and contamination-resistant voltage transformer according to claim 1, characterized in that: and polyester insulating films wrap the outer parts of the primary winding (7) and the secondary winding (8).
7. A safe, convenient and antifouling voltage transformer according to claim 1 or 2, characterized in that: the voltage transformer is characterized in that insulating silicon rubber is wrapped outside the voltage transformer main body (3), and the silicon rubber is wrapped on the outer layer of a casting body of the voltage transformer main body (3).
8. A safe, convenient and antifouling voltage transformer according to claim 5, characterized in that: the voltage transformer is characterized in that an alarm is arranged outside the voltage transformer main body (3) and connected with the control module through a wire, and when the voltage is too large, the control module controls the alarm to give an alarm while controlling the primary winding (7).
9. A safe, convenient and contamination-resistant voltage transformer according to claim 8, characterized in that: the control module is connected with a voltmeter through a protection terminal (2), so that the primary winding (7) is cut off and an alarm is sent out.
10. A safe, convenient and contamination-resistant voltage transformer according to claim 1, characterized in that: the turn ratio of the primary winding (7) to the secondary winding (8) is 20/√ 3:0.1/√ 3: 0.1/3.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922438232.6U CN211265256U (en) | 2019-12-30 | 2019-12-30 | Safe, convenient and pollution-resistant voltage transformer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922438232.6U CN211265256U (en) | 2019-12-30 | 2019-12-30 | Safe, convenient and pollution-resistant voltage transformer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211265256U true CN211265256U (en) | 2020-08-14 |
Family
ID=71990983
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922438232.6U Expired - Fee Related CN211265256U (en) | 2019-12-30 | 2019-12-30 | Safe, convenient and pollution-resistant voltage transformer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211265256U (en) |
-
2019
- 2019-12-30 CN CN201922438232.6U patent/CN211265256U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200814 Termination date: 20211230 |