CN212257154U - Shielding device for high-voltage transformer - Google Patents
Shielding device for high-voltage transformer Download PDFInfo
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- CN212257154U CN212257154U CN202021124879.8U CN202021124879U CN212257154U CN 212257154 U CN212257154 U CN 212257154U CN 202021124879 U CN202021124879 U CN 202021124879U CN 212257154 U CN212257154 U CN 212257154U
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- voltage transformer
- shielding
- shielding device
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Abstract
The utility model relates to a shielding device for high-voltage transformer, it includes shielding case, high-voltage transformer has been placed to shielding case inside, shielding case forms better electromagnetic shield effect to high-voltage transformer, prevent that outside electromagnetic signal from producing the influence to high-voltage transformer, improve high-voltage transformer work efficiency, the inboard that the backplate is close to high-voltage transformer is provided with the heat-conducting plate, the outside that the backplate kept away from high-voltage transformer is provided with the heating panel, the high-voltage transformer operation produces heat and transmits to the heating panel through the heat-conducting plate, carry out heat and distribute, the inside circulation of air of device can be accelerated to the radiator fan that sets up of left side board and right side inboard, further reduce high-voltage transformer temperature, avoid high temperature to cause the harm to high-voltage transformer, shielding case fastens through; the utility model has the characteristics of be convenient for install, easily the heat dissipation shields effectually.
Description
Technical Field
The utility model belongs to the technical field of mutual-inductor equipment, concretely relates to a shield assembly for high-voltage transformer.
Background
The transformer is also called as an instrument transformer, can convert large current into small current, converts large voltage into small voltage, has too high current phase difference and voltage phase difference in a power supply and power utilization line, cannot be directly measured by the instrument, needs to reduce the line current and voltage in proportion by using the transformer to a range in which the instrument can directly measure, has the functions of converting current and transforming voltage and electrical isolation, and simultaneously provides a power supply for relay protection and automatic devices, the high-voltage transformer is suitable for replacing voltage or current in a high-voltage power system of 1kv to 220kv so as to be convenient for measurement, protection and use, and in the operation process of the high-voltage transformer, because the line current changes, the surrounding magnetic field also changes, the normal use of the high-voltage transformer or other components can be seriously influenced, so that the electric field shielding is needed to be carried out around the high-voltage transformer, the common shielding device has poor shielding effect and influences the heat dissipation of the high-voltage transformer, and heat cannot be discharged in time when the high-voltage transformer operates, so that the performance of the high-voltage transformer and the whole circuit are adversely affected.
Disclosure of Invention
An object of the utility model is to provide a shielding device for high-voltage transformer for solve high-voltage transformer heat dissipation difficulty, the poor problem of shielding effect.
The purpose of the utility model is realized like this: a shielding device for a high-voltage transformer comprises a shielding shell, wherein the high-voltage transformer is arranged in the shielding shell, a fixed bottom plate is arranged on the lower side of the shielding shell, a left side plate is arranged on the left side of the shielding shell, a right side plate is arranged on the right side of the shielding shell, a rear baffle is arranged on the rear side of the shielding shell, a front baffle is arranged on the front side of the shielding shell, a cover plate is arranged between the upper end of the left side plate and the upper end of the right side plate, a vertical plate A is arranged at the left end of the upper side of the cover plate, a vertical plate B is arranged at the right end of the upper side of the cover plate, a vertical plate C is arranged between the vertical plate A and the vertical plate B, a top plate is arranged between the upper end of the vertical plate A and the upper end of the vertical plate B, heat-dissipating fans are arranged on, the backplate outside be provided with the heating panel, preceding baffle inboard be provided with the clamp plate, riser A and riser B middle part be provided with the wiring hole, riser C and cover connection department be provided with the strengthening rib, the high-voltage transformer upside be provided with the terminal.
The hinge is arranged at the joint of the front baffle and the left side plate, and the fixing buckle is arranged at the joint of the front baffle and the right side plate.
The upper side of the fixed bottom plate is provided with a groove.
A filter screen is arranged between the heat radiation fan and the shielding plate.
A telescopic spring is arranged between the front baffle and the pressing plate, and an insulating gasket is arranged on the inner side of the pressing plate.
The heat conducting plate is provided with a heat conducting pad at one side close to the high-voltage transformer, and a radiating fin is arranged between the rear baffle and the radiating plate.
Fixing bolts A are arranged at the left end and the right end of the fixing bottom plate, and fixing bolts B are arranged at four corners of the cooling fan.
The radiating fins, the radiating plate and the heat conducting plate are made of aluminum alloy, and the heat conducting pad is made of heat conducting silica gel.
The type of the heat radiation fan is YA21238 HBL.
The number of the reinforcing ribs is 4-6.
The utility model has the advantages that: when the utility model is used, the high-voltage transformer is arranged in the shielding shell, the high-voltage transformer is placed in the groove on the upper side of the fixed bottom plate, the front baffle is rotated and closed, the pressing plate is contacted with the high-voltage transformer, the rear side of the high-voltage transformer is tightly attached to the heat conducting pad, the expansion spring enables the high-voltage transformer to be fixed more tightly, when the high-voltage transformer operates, the generated heat can be transmitted to the radiating fins and the radiating plate through the heat conducting plate, the damage to the high-voltage transformer caused by overhigh temperature is avoided, the radiating fans are arranged on the inner sides of the lower parts of the left side plate and the right side plate, the air circulation between the interior and the exterior of the shielding shell can be accelerated, the working temperature of the high-voltage transformer is further reduced, the whole device is completely fixedly welded except that the front, can protect high-voltage transformer not influenced by outside electromagnetic signal, the device uses PMKD both sides fixing bolt A to fix, easy operation, the utility model has the characteristics of the installation of being convenient for, easily the heat dissipation shields effectually.
Drawings
Fig. 1 is a front view of a shielding device for a high-voltage transformer according to the present invention.
Fig. 2 is a side view of the shielding device for a high-voltage transformer of the present invention.
Fig. 3 is a top view of the shielding device for a high-voltage transformer of the present invention.
Fig. 4 is a rear view of a shielding device for a high voltage transformer according to the present invention.
Fig. 5 is an internal structure schematic diagram of the shielding device for the high-voltage transformer of the present invention.
Fig. 6 is the utility model relates to a high-voltage transformer mounting structure schematic diagram for high-voltage transformer's shield assembly.
Fig. 7 is a sectional view a-a of fig. 3.
Fig. 8 is a schematic structural view of a cooling fan of a shielding device for a high-voltage transformer according to the present invention.
Fig. 9 is a sectional view B-B of fig. 8.
In the figure: 1. high-voltage transformer 2, PMKD 3, shielded enclosure 4, left side board 5, right side board 6, preceding baffle 7, backplate 8, apron 9, riser A10, riser B11, riser C12, roof 13, recess 14, clamp plate 15, radiator fan 16, filter screen 17, sunshade 18, heat-conducting pad 19, heat-conducting plate 20, fin 21, heating panel 22, hinge 23, fixed knot 24, wiring hole 25, strengthening rib 26, expanding spring 27, insulating liner 28, terminal 29, fixing bolt A30, fixing bolt B.
Detailed Description
The present invention will be further described with reference to the accompanying drawings.
Example 1
As shown in fig. 1-4, a shielding device for a high-voltage transformer, which comprises a shielding case 3, a high-voltage transformer 1 is arranged in the shielding case 3, a fixed bottom plate 2 is arranged on the lower side of the shielding case 3, a left side plate 4 is arranged on the left side of the shielding case 3, a right side plate 5 is arranged on the right side of the shielding case 3, a rear baffle 7 is arranged on the rear side of the shielding case 3, a front baffle 6 is arranged on the front side of the shielding case 3, a cover plate 8 is arranged between the upper end of the left side plate 4 and the upper end of the right side plate 5, a vertical plate a9 is arranged on the left end of the upper side of the cover plate 8, a vertical plate B10 is arranged on the right end of the upper side of the cover plate 8, a vertical plate C11 is arranged between the vertical plate a9 and the vertical plate B10, a top plate 12 is arranged between the upper end of the vertical plate a9 and, left side board 4 and the right side board 5 outside be provided with sunshade 17, backplate 7 inboard be provided with heat-conducting plate 19, the backplate 7 outside be provided with heating panel 21, preceding baffle 6 inboard be provided with clamp plate 14, riser A9 and riser B10 middle part be provided with wiring hole 24, riser C11 be provided with strengthening rib 25 with apron 8 junction, 1 upside of high-voltage transformer be provided with terminal 28.
When the utility model is used, firstly, the front baffle 6 is opened, the high-voltage transformer 1 is placed in the shielding shell 3, the front baffle 6 is closed, under the pushing of the pressing plate 14, the high-voltage transformer 1 is tightly attached to the heat conducting plate 19, the high-voltage transformer 1 can be fixed in the shielding shell 3, the heat generated when the high-voltage transformer 1 operates is transferred to the heat radiating plate 21 through the heat conducting plate 19, the heat is rapidly dissipated through the heat radiating plate 21, the heat radiating fans 15 are arranged in the left side plate 4 and the right side plate 5 of the shielding shell 3, the heat radiating fans 15 are connected with an external circuit through wires, the heat radiating fans 15 are opened, the internal air circulation speed of the shielding device can be further accelerated, the temperature of the high-voltage transformer 1 can be further reduced, the working circuit of the middle wiring hole 24 between the vertical plate A9 and the vertical plate 10 can be, guarantee 1 security of high-voltage transformer, the utility model has the characteristics of the installation of being convenient for, easily the heat dissipation shields effectually.
Example 2
As shown in fig. 1-9, a shielding device for a high-voltage transformer, which comprises a shielding case 3, a high-voltage transformer 1 is arranged inside the shielding case 3, a fixed bottom plate 2 is arranged on the lower side of the shielding case 3, a left side plate 4 is arranged on the left side of the shielding case 3, a right side plate 5 is arranged on the right side of the shielding case 3, a rear baffle 7 is arranged on the rear side of the shielding case 3, a front baffle 6 is arranged on the front side of the shielding case 3, a cover plate 8 is arranged between the upper end of the left side plate 4 and the upper end of the right side plate 5, a vertical plate a9 is arranged on the left end of the upper side of the cover plate 8, a vertical plate B10 is arranged on the right end of the upper side of the cover plate 8, a vertical plate C11 is arranged between the vertical plate a9 and the vertical plate B10, a top plate 12 is arranged between the upper end of the vertical plate a9 and, left side board 4 and the right side board 5 outside be provided with sunshade 17, backplate 7 inboard be provided with heat-conducting plate 19, the backplate 7 outside be provided with heating panel 21, preceding baffle 6 inboard be provided with clamp plate 14, riser A9 and riser B10 middle part be provided with wiring hole 24, riser C11 be provided with strengthening rib 25 with apron 8 junction, 1 upside of high-voltage transformer be provided with terminal 28.
For better effect, the junction of the front baffle 6 and the left side plate 4 is provided with a hinge 22, the junction of the front baffle 6 and the right side plate 5 is provided with a fixing buckle 23, and a bolt can be arranged in the fixing buckle 23 for fastening.
For better effect, the upper side of the fixed bottom plate 2 is provided with a groove 13, and the high-voltage transformer 1 can be placed in the groove 13.
For better effect, a filter 16 is disposed between the heat dissipation fan 15 and the shielding plate 17 to prevent impurities in the air from entering the shielding shell 3.
For better effect, a telescopic spring 26 is arranged between the front baffle 6 and the pressure plate 14, the telescopic spring 26 can provide pressing force, and an insulating gasket 27 is arranged on the inner side of the pressure plate 14, and the insulating gasket 27 has a protection effect on the high-voltage transformer 1.
For better effect, the heat conducting plate 19 is provided with a heat conducting pad 18 at a side close to the high-voltage transformer 1, and a heat sink 20 is provided between the backboard 7 and the heat sink 21.
For better effect, the left and right ends of the fixed base plate 2 are provided with fixing bolts a29, and four corners of the heat dissipation fan 15 are provided with fixing bolts B30.
In order to achieve better effect, the heat dissipation plate 20, the heat dissipation plate 21 and the heat conduction plate 19 are made of aluminum alloy, the aluminum alloy has good heat conduction performance, and the heat conduction pad 18 is made of heat conduction silica gel.
For better effect, the type of the heat dissipation fan 15 is YA21238 HBL.
For better effect, the number of the reinforcing ribs 25 is 4-6.
When the utility model is used, firstly, the front baffle 6 is opened, the high-voltage transformer 1 is placed in the groove 13 in the shielding shell 3, the front baffle 6 is closed, under the pushing action of the pressing plate 14, the high-voltage transformer 1 is tightly attached to the heat conducting plate 19, the heat conducting pad 18 is arranged between the heat conducting plate 19 and the high-voltage transformer 1, the heat conducting pad 18 is made of heat conducting silica gel, has good heat conductivity and certain elasticity, the expansion spring 26 is arranged between the front baffle 6 and the pressing plate 14, can provide pressing force for the high-voltage transformer 1, can also prevent the high-voltage transformer 1 from being damaged due to overlarge pressure, under the combined action of the groove 13 in the fixed bottom plate 2, the high-voltage transformer 1 can be firmly fixed in the shielding shell 3, the plurality of radiating fins 20 are arranged between the vertical plate A9 and the radiating plate 21, the radiating area of the device can be increased, the high-voltage transformer 1 can be helped to dissipate heat and simultaneously prevent impurities in the air from entering the shielding shell 3, the inner side of the front baffle 6 is provided with a lug boss, the front baffle 6 can be attached to the shielding shell 3 more closely, and besides the front baffle 6 is hinged with the shielding shell 3 by the hinge 22, the rest parts are fixedly welded, so that the high-voltage transformer 1 can be protected, the electromagnetic signal can be well shielded, can protect high-voltage transformer 1 not influenced by outside electromagnetic signal, improve 1 work efficiency of high-voltage transformer, the device uses 2 both ends fixing bolt A29 of PMKD to fasten, easy operation, and the mountable bolt in the fixed 23 of detaining is convenient for later stage inspection and maintenance, and work circuit accessible wiring hole 24 is connected with high-voltage transformer 1's terminal 28, the utility model has the characteristics of the installation of being convenient for, easily the heat dissipation shields effectually.
Claims (10)
1. The utility model provides a shield assembly for high-voltage transformer, it includes shielding shell, its characterized in that: the shielding shell is internally provided with a high-voltage transformer, the lower side of the shielding shell is provided with a fixed bottom plate, the left side of the shielding shell is provided with a left side plate, the right side of the shielding shell is provided with a right side plate, the rear side of the shielding shell is provided with a rear baffle plate, the front side of the shielding shell is provided with a front baffle plate, a cover plate is arranged between the upper end of the left side plate and the upper end of the right side plate, the left end of the upper side of the cover plate is provided with a vertical plate A, the right end of the upper side of the cover plate is provided with a vertical plate B, a vertical plate C is arranged between the vertical plate A and the vertical plate B, a top plate is arranged between the upper end of the vertical plate A and the upper end of the vertical plate B, the inner sides of the left side plate and the right side plate, the internal side of the front baffle is provided with a pressing plate, the middle parts of the vertical plate A and the vertical plate B are provided with wiring holes, the joint of the vertical plate C and the cover plate is provided with a reinforcing rib, and the upper side of the high-voltage transformer is provided with a wiring terminal.
2. A shielding device for a high voltage transformer according to claim 1, characterized in that: the hinge is arranged at the joint of the front baffle and the left side plate, and the fixing buckle is arranged at the joint of the front baffle and the right side plate.
3. A shielding device for a high voltage transformer according to claim 1, characterized in that: the upper side of the fixed bottom plate is provided with a groove.
4. A shielding device for a high voltage transformer according to claim 1, characterized in that: a filter screen is arranged between the heat radiation fan and the shielding plate.
5. A shielding device for a high voltage transformer according to claim 1, characterized in that: a telescopic spring is arranged between the front baffle and the pressing plate, and an insulating gasket is arranged on the inner side of the pressing plate.
6. A shielding device for a high voltage transformer according to claim 1, characterized in that: the heat conducting plate is provided with a heat conducting pad at one side close to the high-voltage transformer, and a radiating fin is arranged between the rear baffle and the radiating plate.
7. A shielding device for a high voltage transformer according to claim 1, characterized in that: fixing bolts A are arranged at the left end and the right end of the fixing bottom plate, and fixing bolts B are arranged at four corners of the cooling fan.
8. A shielding device for a high-voltage transformer according to claim 6, characterized in that: the radiating fins, the radiating plate and the heat conducting plate are made of aluminum alloy, and the heat conducting pad is made of heat conducting silica gel.
9. A shielding device for a high voltage transformer according to claim 1, characterized in that: the type of the heat radiation fan is YA21238 HBL.
10. A shielding device for a high voltage transformer according to claim 1, characterized in that: the number of the reinforcing ribs is 4-6.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021124879.8U CN212257154U (en) | 2020-06-17 | 2020-06-17 | Shielding device for high-voltage transformer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021124879.8U CN212257154U (en) | 2020-06-17 | 2020-06-17 | Shielding device for high-voltage transformer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212257154U true CN212257154U (en) | 2020-12-29 |
Family
ID=73987638
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021124879.8U Expired - Fee Related CN212257154U (en) | 2020-06-17 | 2020-06-17 | Shielding device for high-voltage transformer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212257154U (en) |
-
2020
- 2020-06-17 CN CN202021124879.8U patent/CN212257154U/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 |
Granted publication date: 20201229 Termination date: 20210617 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |