CN213303793U - Miniature safe electronic transformer - Google Patents
Miniature safe electronic transformer Download PDFInfo
- Publication number
- CN213303793U CN213303793U CN202021407653.9U CN202021407653U CN213303793U CN 213303793 U CN213303793 U CN 213303793U CN 202021407653 U CN202021407653 U CN 202021407653U CN 213303793 U CN213303793 U CN 213303793U
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- China
- Prior art keywords
- circuit board
- static box
- shell
- cover plate
- heat
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- 239000000565 sealant Substances 0.000 claims abstract description 15
- 238000001816 cooling Methods 0.000 claims abstract description 10
- 230000017525 heat dissipation Effects 0.000 claims description 7
- 230000005855 radiation Effects 0.000 claims description 4
- 239000000428 dust Substances 0.000 abstract description 3
- 230000002265 prevention Effects 0.000 abstract description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 3
- 230000002035 prolonged effect Effects 0.000 abstract 1
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- XLOMVQKBTHCTTD-UHFFFAOYSA-N Zinc monoxide Chemical compound [Zn]=O XLOMVQKBTHCTTD-UHFFFAOYSA-N 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000005674 electromagnetic induction Effects 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 239000004065 semiconductor Substances 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
- 239000011787 zinc oxide Substances 0.000 description 1
Images
Abstract
The utility model discloses a miniature safe electronic transformer, which comprises a cooling fan, a cover plate and a shell; the cover plate is embedded in the top of the inner cavity of the shell, the cooling fan is arranged on the top of the cover plate, the anti-static box is fixedly arranged at the bottom of the inner cavity of the shell, the circuit board is arranged on a screw post in the inner cavity of the anti-static box, and high-heat-conductivity pouring sealant is filled in a gap between the circuit board and the anti-static box; the circuit board is provided with a temperature sensor, the right side of the anti-static box is provided with a fence type wiring terminal, and the high-heat-conductivity pouring sealant is filled in gaps among the fence type wiring terminal, the anti-static box and the shell; the utility model has the advantages that the high heat conduction pouring sealant poured between the gaps plays the role of water resistance and dust prevention, and simultaneously conducts heat to the radiator; when the temperature is too high, the cooling fan is started to prevent the transformer from being burnt out due to the too high temperature; the use safety of the transformer is guaranteed, and the service life of the transformer is prolonged.
Description
Technical Field
The utility model relates to an electronic transformer technical field specifically is a miniature safe electronic transformer.
Background
An electronic transformer, which is an electronic device for converting alternating voltage of commercial power into direct current and then forming a high-frequency alternating voltage output by a semiconductor switching device, an electronic element and a high-frequency transformer winding, is also an alternating current-direct current-alternating current inverter circuit taught in the theory of electronics. In brief, it is mainly composed of a high-frequency transformer core (iron core) and two or more coils, which do not change their positions, and are converted into alternating voltage and current from one or more electric loops by means of electromagnetic induction through alternating current power. At the output end of the high-frequency transformer, high-frequency alternating current or direct current of different voltage levels is supplied to one or more than two circuit utilization circuits.
The existing miniature electronic transformer is not high in use safety, is easy to damage due to the fact that foreign matters enter the electronic transformer, and is poor in heat dissipation performance.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a simple to operate, rational in infrastructure's portable zinc oxide arrester direct current parameter tester to overcome prior art's weak point.
In order to achieve the above object, the utility model provides a following technical scheme: a miniature safe electronic transformer comprises a cooling fan, a cover plate and a shell; the cover plate is embedded in the top of the inner cavity of the shell through screws, the heat dissipation fan is arranged on the top of the cover plate, and a fan net is arranged on the top of the heat dissipation fan; the anti-static box is fixedly arranged at the bottom of the inner cavity of the shell, the circuit board is arranged on a screw post in the inner cavity of the anti-static box through a screw, and high-heat-conductivity pouring sealant is filled in a gap between the circuit board and the anti-static box; the circuit board is provided with a temperature sensor, and the right side of the anti-static box is provided with a fence type wiring terminal and is arranged at the bottom of the inner cavity of the shell; the lead of the fence type wiring terminal passes through an opening arranged on the right side of the anti-static box to be connected with the circuit board, and the high-heat-conductivity pouring sealant is filled in gaps among the fence type wiring terminal, the anti-static box and the shell; the top of the shell is provided with a radiator with radiating fins.
Preferably, an L-shaped baffle is arranged on the right side of the cover plate, and a nameplate is arranged on the L-shaped baffle; the L-shaped baffle plate and the anti-static box are separated.
Preferably, the cover plate is provided with honeycomb-shaped openings.
Preferably, an arc-shaped transparent end cover is arranged at the top of the fence type wiring terminal, and the heat dissipation fan is a waterproof fan.
Preferably, the frame of the anti-static box is higher than the highest position of the circuit board.
Preferably, the high thermal conductivity pouring sealant is submerged in four fifths of the circuit board.
Compared with the prior art, the beneficial effects of the utility model are that:
according to the miniature safe electronic transformer, the circuit board is placed in the anti-static box, and the high-heat-conductivity pouring sealant is poured into the gap between the circuit board and the anti-static box, so that the circuit board can play a closed environment, play a role in water and dust prevention, better conduct heat inside the circuit board to the radiator and take away the heat through air cooling; the temperature sensor arranged in the transformer can monitor the temperature change condition in the transformer in real time and transmit the collected signals to the main control chip of the transformer, when the temperature is too high, the cooling fan is started to further cool the transformer, the safety of the transformer is ensured, and the transformer is prevented from being burnt out due to the too high temperature; the utility model discloses a scheme is favorable to the safe in utilization of transformer, has promoted the life of transformer simultaneously.
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 these drawings without creative efforts.
Fig. 1 is a schematic view of the electronic transformer according to the present invention.
Fig. 2 is the side view schematic diagram of the electronic transformer structure of the present invention.
Fig. 3 is a schematic view of the electronic transformer according to the present invention.
Fig. 4 is a schematic view of the cross-sectional internal structure at a point a in the present application.
Fig. 5 is a schematic view of the cross-sectional internal structure of the present invention at B.
In the drawings, the components represented by the respective reference numerals are listed below:
1-transformer, 2-radiator fan, 3-fence type connecting terminal, 4-radiator, 5-circuit board, 6-high heat conduction pouring sealant, 7-nameplate, 21-fan net, 31-arc transparent end cover, 32-lead, 51-temperature sensor, 101-cover plate, 102-shell and 103-antistatic box.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention.
Referring to fig. 1-5, the present invention provides a technical solution: a miniature safe electronic transformer, its transformer 1 includes the cooling fan 2, cover plate 101 and outer casing 102; the cover plate 101 is embedded in the top of the inner cavity of the shell 102 through screws, the heat radiation fan 2 is arranged on the top of the cover plate 101, and the top of the heat radiation fan 2 is provided with a fan net 21; the anti-static box 103 is fixedly arranged at the bottom of the inner cavity of the shell 102, the circuit board 5 is arranged on a screw post of the inner cavity of the anti-static box 103 through a screw, and a gap between the circuit board 5 and the anti-static box 103 is filled with a high-heat-conductivity pouring sealant 6; the circuit board 5 is provided with a temperature sensor 51, the right side of the anti-static box 103 is provided with a fence type wiring terminal 3, and the fence type wiring terminal is arranged at the bottom of the inner cavity of the shell 102; the lead 32 of the fence type wiring terminal 3 passes through an opening arranged on the right side of the anti-static box 103 to be connected with the circuit board 5, and the high-heat-conductivity pouring sealant 6 is filled in gaps among the fence type wiring terminal 3, the anti-static box 103 and the shell 102; the top of the housing 102 is provided with a heat sink 4 with heat dissipating fins.
Preferably, an L-shaped baffle is arranged on the right side of the cover plate 101, and the nameplate 7 is arranged on the L-shaped baffle; the L-shaped baffle is spaced from the anti-static box 103.
Preferably, the cover plate 101 is provided with honeycomb-shaped openings.
Preferably, an arc-shaped transparent end cover 31 is arranged at the top of the fence type wiring terminal 3, and the heat dissipation fan 2 is a waterproof fan.
Preferably, the frame of the anti-static box 103 is higher than the highest position of the circuit board 5.
Preferably, the high thermal conductivity pouring sealant 6 is submerged in about five parts of the circuit board 5.
The electronic transformer 1 is characterized in that the circuit board 5 is placed in the anti-static box 103, and the high-heat-conductivity pouring sealant 6 is poured between gaps of the circuit board 5, so that the circuit board 5 can play a sealed environment, plays a role in water and dust prevention, and can better conduct heat inside the circuit board 5 to the radiator 4 and take away the heat through air cooling; when the transformer 1 works, the temperature sensor 51 arranged in the transformer 1 can monitor the temperature change condition in the transformer 1 in real time, collected signals are transmitted to the main control chip of the transformer 1, and when the temperature is too high, the cooling fan 2 is started to further cool the transformer 1, so that the transformer 1 is prevented from being burnt out due to the too high temperature.
Wherein, the top of the heat radiation fan 2 of the transformer 1 is provided with a fan net 21, and the cover plate 101 is provided with a honeycomb opening; the top of the fence type wiring terminal 3 is provided with an arc transparent end cover 31; the safety of using equipment by operators is ensured while the heat is fully radiated;
in the description herein, references to the description of "one embodiment," "an example," "a specific example," etc., 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 present invention disclosed above are intended only to help illustrate the present invention. 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 its practical applications, to thereby enable others skilled in the art to best understand the invention for and utilize the invention. The present invention is limited only by the claims and their full scope and equivalents.
Claims (6)
1. A miniature safe electronic transformer is characterized in that: the transformer (1) comprises a cooling fan (2), an anti-static box (103), a circuit board (5), a cover plate (101) and a shell (102); the cover plate (101) is embedded in the top of the inner cavity of the shell (102) through screws, the heat dissipation fan (2) is arranged on the top of the cover plate (101), and a fan net (21) is arranged on the top of the heat dissipation fan (2); the anti-static box (103) is fixedly arranged at the bottom of an inner cavity of the shell (102), the circuit board (5) is arranged on a screw post of the inner cavity of the anti-static box (103) through a screw, and a gap between the circuit board (5) and the anti-static box (103) is filled with a high-heat-conductivity pouring sealant (6); the circuit board (5) is provided with a temperature sensor (51), the right side of the anti-static box (103) is provided with a fence type wiring terminal (3), and the circuit board is arranged at the bottom of the inner cavity of the shell (102); a lead (32) of the fence type wiring terminal (3) penetrates through an opening formed in the right side of the anti-static box (103) to be connected with the circuit board (5), and the high-heat-conductivity pouring sealant (6) is filled in gaps among the fence type wiring terminal (3), the anti-static box (103) and the shell (102); the top of the shell (102) is provided with a radiator (4) with radiating fins.
2. A miniature safety electronic transformer according to claim 1, wherein: an L-shaped baffle is arranged on the right side of the cover plate (101), and a nameplate (7) is arranged on the L-shaped baffle; the L-shaped baffle plate is spaced from the anti-static box (103).
3. A miniature safety electronic transformer according to claim 2, wherein: the cover plate (101) is provided with honeycomb-shaped openings.
4. A miniature safety electronic transformer according to claim 1, wherein: the top of the fence type wiring terminal (3) is provided with an arc transparent end cover (31), and the heat radiation fan (2) is a waterproof fan.
5. A miniature safety electronic transformer according to claim 1, wherein: the frame of the anti-static box (103) is higher than the highest position of the circuit board (5).
6. A miniature safety electronic transformer according to claim 5, wherein: the high heat conduction pouring sealant (6) is arranged at more than one fifth of the circuit board (5).
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202021407653.9U CN213303793U (en) | 2020-07-16 | 2020-07-16 | Miniature safe electronic transformer |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202021407653.9U CN213303793U (en) | 2020-07-16 | 2020-07-16 | Miniature safe electronic transformer |
Publications (1)
Publication Number | Publication Date |
---|---|
CN213303793U true CN213303793U (en) | 2021-05-28 |
Family
ID=76020457
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN202021407653.9U Active CN213303793U (en) | 2020-07-16 | 2020-07-16 | Miniature safe electronic transformer |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN213303793U (en) |
-
2020
- 2020-07-16 CN CN202021407653.9U patent/CN213303793U/en active Active
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
GR01 | Patent grant | ||
GR01 | Patent grant | ||
PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: A miniature safety electronic transformer Effective date of registration: 20231024 Granted publication date: 20210528 Pledgee: Xiamen Jimei Sub branch of Agricultural Bank of China Co.,Ltd. Pledgor: XIAMEN YIKE ELECTRONIC Co.,Ltd. Registration number: Y2023980062423 |
|
PE01 | Entry into force of the registration of the contract for pledge of patent right |