CN220189392U - Low-voltage current transformer - Google Patents
Low-voltage current transformer Download PDFInfo
- Publication number
- CN220189392U CN220189392U CN202321615199.XU CN202321615199U CN220189392U CN 220189392 U CN220189392 U CN 220189392U CN 202321615199 U CN202321615199 U CN 202321615199U CN 220189392 U CN220189392 U CN 220189392U
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- heat dissipation
- fixedly connected
- groove
- spring
- mutual
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- 230000017525 heat dissipation Effects 0.000 claims abstract description 49
- 238000009434 installation Methods 0.000 claims description 8
- 238000009423 ventilation Methods 0.000 claims description 7
- 230000000694 effects Effects 0.000 description 12
- 238000003825 pressing Methods 0.000 description 4
- 238000001816 cooling Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 238000001125 extrusion Methods 0.000 description 2
- 238000003780 insertion Methods 0.000 description 2
- 230000037431 insertion Effects 0.000 description 2
- 238000012544 monitoring process Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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- Transformer Cooling (AREA)
Abstract
The utility model discloses a low-voltage current transformer, which relates to the technical field of electrical equipment and comprises a transformer box, wherein two side surfaces of the transformer box are provided with air outlet nets, the inner side surface of each air outlet net is provided with a second heat dissipation fan, the inner bottom surface of the transformer box is provided with a vent hole, the lower surface of the transformer box is fixedly connected with a heat dissipation box, two side surfaces of the heat dissipation box are provided with air inlet nets, a first heat dissipation fan is arranged below the vent hole, the upper surface of the fixing base is provided with an inserting groove, the lower surface of the mounting base is fixedly connected with an inserting block, the inner bottom surface of the transformer box is fixedly connected with a fixing base, and the upper surface of the mounting base is provided with a transformer main body.
Description
Technical Field
The utility model relates to the technical field of electrical equipment, in particular to a low-voltage current transformer.
Background
A low voltage current transformer is a device for measuring and monitoring the current in a low voltage circuit. It is commonly used in industry, power systems, buildings, etc. for measuring and monitoring electrical loads, electrical energy metering, fault detection, etc. applications.
In the current transformer of the utility model disclosed in the chinese patent application publication CN207441456U, although the purpose of the utility model is to provide a current transformer of low voltage, the current transformer can be conveniently installed with a box to improve the working efficiency of installation and disassembly, but the current transformer needs to be manually fixed by using bolts when being installed on a fixed seat, which has the disadvantages of inconvenient installation and poor heat dissipation of the box, which affects the operation of the transformer.
Disclosure of Invention
Aiming at the defects of the prior art, the utility model provides a low-voltage current transformer, which solves the problems in the background technology.
In order to achieve the above purpose, the utility model is realized by the following technical scheme: the utility model provides a low-voltage current transformer, includes the transformer box, the surface hinge of transformer box has the chamber door, and the air-out net has been seted up to the both sides face of transformer box, and the second heat dissipation fan is installed to the medial surface of air-out net, and the ventilation hole has been seted up to the interior bottom surface of transformer box, and the lower fixed surface of transformer box is connected with the heat dissipation case, and the side fixedly connected with installation ear of heat dissipation case, the air inlet net has been seted up to the both sides face of heat dissipation case, and first heat dissipation fan is installed to the below of ventilation hole, the jack socket has been seted up to the upper surface of fixing base, and the lower fixed surface of mount pad is connected with the grafting piece, and the interior bottom surface fixedly connected with fixing base of transformer box, the last surface mounting of fixing base has the mount pad, and the transformer main part of last surface mounting of mount pad.
Optionally, the number of the air inlet net and the number of the first heat dissipation fans are two, the air inlet net and the first heat dissipation fans are symmetrically distributed, and the wind direction of the first heat dissipation fans is upward.
Optionally, the number of the air outlet net and the number of the second heat dissipation fans are two, the second heat dissipation fans are symmetrically distributed, and the wind direction of the second heat dissipation fans is outward.
Optionally, the inner bottom surface fixedly connected with third spring of jack groove, the other end fixedly connected with bullet piece of third spring, the surface sliding connection of jack groove has the bullet piece.
Optionally, the side of plug-in block is seted up flutedly, and the surface sliding connection of recess has the fixture block, and the internal surface fixedly connected with second spring of recess, the other end fixedly connected with fixture block of second spring.
Optionally, the joint groove has been seted up to the side of jack groove, and the slide hole that runs through has been seted up to the internal surface of joint groove, and the surface sliding connection of slide hole has the ejector pin, and the outer terminal surface fixedly connected with of ejector pin presses the piece, and the internal terminal surface fixedly connected with kicking block of ejector pin, the one side fixedly connected with first spring of kicking block near the ejector pin, the other end and the medial surface fixed connection of joint groove of first spring.
The utility model provides a low-voltage current transformer, which has the following beneficial effects:
1. this low-voltage current transformer, through the setting of heat dissipation case, the air inlet net, first heat dissipation fan, air-out net and second heat dissipation fan, make this low-voltage current transformer possess and carry out better radiating effect to the transformer main part, during the use, equipment makes first heat dissipation fan and second heat dissipation fan simultaneous working, first heat dissipation fan during operation, outside air enters into the heat dissipation incasement through the air inlet net, then under the effect of first heat dissipation fan, the air enters into the transformer incasement through the ventilation hole, then under the effect of second heat dissipation fan, outwards discharge through the air-out net with the air in the transformer incasement, and then form complete wind channel, the circulation of the air in the transformer incasement has been accelerated, make the quick discharge of hot air in the transformer incasement, and then reached better purpose to the transformer main part of cooling.
2. This low-voltage current transformer, through the fixing base, the mount pad, the jack groove, the joint groove, the setting of joint piece and fixture block, make this low-voltage current transformer possess the effect of quick installation transformer main part, when using, install the fixing base with the transformer main part on, at first with the jack block of mount pad lower surface with the jack groove alignment of fixing base upper surface, then insert the jack block into the jack groove, the fixture block receives the extrusion in the insertion process, enter into in the recess, until the fixture block moves into the position of joint groove after, the fixture block is under the effect of second spring, the fixture block card is gone into the joint inslot, and then accomplish the installation, when dismantling, the staff inwards presses the press block, drive the kicking block in the sliding hole through pressing the briquetting and slide, and then drive the kicking block and release the joint groove with the fixture block, the effect of this moment through the spring block with the jack block quick pop-up jack groove, can accomplish the dismantlement, after completion, the kicking block resets under the effect of first spring, through making the fixture block move into the joint inslot, and then realize quick dismounting the mutual inductor main part, the purpose of dismantling the mutual inductor is realized simultaneously.
Drawings
FIG. 1 is a schematic perspective view of the present utility model;
FIG. 2 is a schematic side view of the present utility model;
FIG. 3 is a schematic view of the present utility model in elevation;
fig. 4 is a schematic diagram of the structure of fig. 3 a according to the present utility model.
In the figure: 1. a transformer box; 2. a door; 3. a vent hole; 4. a heat radiation box; 5. a mounting ear; 6. an air inlet net; 7. a first heat dissipation fan; 8. an air outlet net; 9. a second heat dissipation fan; 10. a fixing seat; 11. a mounting base; 12. a transformer body; 13. a plug-in groove; 14. a clamping groove; 141. a slide hole; 15. a push rod; 16. pressing the blocks; 17. a top block; 18. a first spring; 19. a plug block; 20. a groove; 21. a second spring; 22. a clamping block; 23. a third spring; 24. and (5) a spring block.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments.
Examples
Referring to fig. 1 to 3, the present utility model provides the following technical solutions: the utility model provides a low-voltage current transformer, including transformer case 1, the surface hinge of transformer case 1 has chamber door 2, air-out net 8 has been seted up to the both sides face of transformer case 1, the quantity of air-out net 8 and second heat dissipation fan 9 is two, and be symmetric distribution, the wind direction of second heat dissipation fan 9 is outside, the second heat dissipation fan 9 is installed to the medial surface of air-out net 8, ventilation hole 3 has been seted up to the interior bottom surface of transformer case 1, the lower surface fixedly connected with heat dissipation case 4 of transformer case 1, the side fixedly connected with installation ear 5 of heat dissipation case 4, air inlet net 6 has been seted up to the both sides face of heat dissipation case 4, the quantity of air inlet net 6 and first heat dissipation fan 7 is two, and be symmetric distribution, the wind direction of first heat dissipation fan 7 is upwards, first heat dissipation fan 7 is installed to the below of ventilation hole 3, the interior bottom surface fixedly connected with fixing base 10 of transformer case 1, the upper surface mounting seat 11 of fixing base 10 has mutual inductor main part 12.
In order to achieve the better purpose of cooling the transformer main body 12, when in use, the equipment enables the first heat dissipation fan 7 and the second heat dissipation fan 9 to work simultaneously in the heat dissipation process, when the first heat dissipation fan 7 works, outside air enters into the heat dissipation box 4 through the air inlet net 6, then under the effect of the first heat dissipation fan 7, air enters into the transformer box 1 through the air vent 3, then under the effect of the second heat dissipation fan 9, air in the transformer box 1 is discharged outwards through the air outlet net 8, a complete air channel is formed, circulation of air in the transformer box 1 is accelerated, hot air in the transformer box 1 is discharged rapidly, and the purpose of cooling the transformer main body 12 is achieved better.
Examples
Referring to fig. 1 to 4, the present utility model provides the following technical solutions: the utility model provides a low-voltage current transformer, including transformer case 1, fixing base 10 is installed to the interior bottom surface of transformer case, jack 13 has been seted up to fixing base 10's upper surface, jack 13's interior bottom surface fixedly connected with third spring 23, third spring 23's the other end fixedly connected with bullet piece 24, jack 13's surface sliding connection has bullet piece 24, joint groove 14 has been seted up to jack 13's side, the slide hole 141 that runs through has been seted up to joint groove 14's internal surface, slide hole 141's surface sliding connection has ejector pin 15, ejector pin 15's outer terminal surface fixedly connected with press piece 16, ejector pin 15's interior terminal surface fixedly connected with ejector pin 17, ejector pin 17 is close to ejector pin 15's one side fixedly connected with first spring 18, first spring 18's the other end and joint groove 14's medial surface fixedly connected with of mount pad 11, recess 20 has been seted up to plug 19's side, recess 20's surface sliding connection has fixture block 22, recess 20's interior surface fixedly connected with second spring 21, second spring 21's the other end fixedly connected with fixture block 22, transformer 1's interior terminal surface fixedly connected with ejector pin 17, 10 has on the fixing base 11, the surface mounting base 11 is installed to the surface of fixing base 11 on the surface mount device 11.
In order to achieve the purpose of being convenient for dismouting mutual-inductor main part 12, when using, install the mutual-inductor main part 12 on the fixing base 10, at first with the grafting piece 19 of mount pad 11 lower surface with the grafting groove 13 of fixing base 10 upper surface aligns, then insert grafting piece 19 in grafting groove 13, the fixture block 22 receives the extrusion in the insertion process, enter into recess 20, until after the fixture block 22 removes the position of clamping groove 14, fixture block 22 is gone into in clamping groove 14 under the effect of second spring 21, and then accomplish the installation, when dismantling, the staff inwards presses pressing piece 16, drive kicking block 17 in the slide hole 141 through pressing piece 16 and slide, and then drive kicking block 17 slides in clamping groove 14, release clamping block 22 through kicking block 17 in clamping groove 14, at this moment, through the quick popping up grafting groove 13 of bullet piece 24 with the grafting piece 19 under the effect of third spring 23, can accomplish the dismantlement, after the completion is dismantled, reset under the effect of first spring 18, through making fixture block 22 card into clamping groove 14, realize quick assembly and disassembly to the mutual-inductor main part 12, and quick assembly and quick realization mutual-inductor 12 has reached the purpose of dismantling simultaneously.
The foregoing is only a preferred embodiment of the present utility model, but the scope of the present utility model is not limited thereto, and any person skilled in the art, who is within the scope of the present utility model, should make equivalent substitutions or modifications according to the technical scheme of the present utility model and the inventive concept thereof, and should be covered by the scope of the present utility model.
Claims (6)
1. The utility model provides a low-voltage current transformer, includes mutual-inductor case, its characterized in that: the surface hinge of mutual-inductor case has the chamber door, the air-out net has been seted up to the both sides face of mutual-inductor case, the second radiator fan is installed to the medial surface of air-out net, the ventilation hole has been seted up to the interior bottom surface of mutual-inductor case, the lower fixed surface of mutual-inductor case is connected with the radiator case, the side fixedly connected with installation ear of radiator case, the air inlet net has been seted up to the both sides face of radiator case, first radiator fan is installed to the below in ventilation hole, the fixing base is installed to the interior bottom surface of mutual-inductor case, the jack-in groove has been seted up to the upper surface of fixing base, the lower fixed surface of mount pad is connected with the jack-in piece, the interior bottom surface fixedly connected with fixing base of mutual-inductor case, the upper surface mounting of fixing base has the mount pad, the upper surface mounting of mount pad has the mutual-inductor main part.
2. A current transformer according to claim 1, characterized in that: the number of the air inlet net and the number of the first heat dissipation fans are two, the air inlet net and the first heat dissipation fans are symmetrically distributed, and the wind direction of the first heat dissipation fans is upward.
3. A current transformer according to claim 1, characterized in that: the number of the air outlet net and the number of the second heat dissipation fans are two, the air outlet net and the second heat dissipation fans are symmetrically distributed, and the wind direction of the second heat dissipation fans is outwards.
4. A current transformer according to claim 1, characterized in that: the inner bottom surface of the inserting groove is fixedly connected with a third spring, the other end of the third spring is fixedly connected with a spring block, and the surface of the inserting groove is slidably connected with the spring block.
5. A current transformer according to claim 1, characterized in that: the side of the plug-in block is provided with a groove, the surface of the groove is connected with a clamping block in a sliding manner, the inner surface of the groove is fixedly connected with a second spring, and the other end of the second spring is fixedly connected with the clamping block.
6. A current transformer according to claim 1, characterized in that: the side of spliced groove has been seted up the draw-in groove, and the slide hole that runs through has been seted up to the internal surface of draw-in groove, and the surface sliding connection of slide hole has the ejector pin, and the outer terminal surface fixedly connected with of ejector pin presses the piece, and the internal terminal surface fixedly connected with kicking block of ejector pin, the one side fixedly connected with first spring of kicking block near the ejector pin, the other end of first spring and the medial surface fixed connection of draw-in groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321615199.XU CN220189392U (en) | 2023-06-25 | 2023-06-25 | Low-voltage current transformer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321615199.XU CN220189392U (en) | 2023-06-25 | 2023-06-25 | Low-voltage current transformer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220189392U true CN220189392U (en) | 2023-12-15 |
Family
ID=89102159
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321615199.XU Active CN220189392U (en) | 2023-06-25 | 2023-06-25 | Low-voltage current transformer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220189392U (en) |
-
2023
- 2023-06-25 CN CN202321615199.XU patent/CN220189392U/en active Active
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