CN114843072A - Fill electric pile with safe type high frequency transformer - Google Patents
Fill electric pile with safe type high frequency transformer Download PDFInfo
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- CN114843072A CN114843072A CN202210519414.XA CN202210519414A CN114843072A CN 114843072 A CN114843072 A CN 114843072A CN 202210519414 A CN202210519414 A CN 202210519414A CN 114843072 A CN114843072 A CN 114843072A
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- transformer
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F27/00—Details of transformers or inductances, in general
- H01F27/02—Casings
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
- B60L53/00—Methods of charging batteries, specially adapted for electric vehicles; Charging stations or on-board charging equipment therefor; Exchange of energy storage elements in electric vehicles
- B60L53/30—Constructional details of charging stations
- B60L53/31—Charging columns specially adapted for electric vehicles
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F27/00—Details of transformers or inductances, in general
- H01F27/08—Cooling; Ventilating
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F27/00—Details of transformers or inductances, in general
- H01F27/08—Cooling; Ventilating
- H01F27/085—Cooling by ambient air
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F27/00—Details of transformers or inductances, in general
- H01F27/08—Cooling; Ventilating
- H01F27/22—Cooling by heat conduction through solid or powdered fillings
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F27/00—Details of transformers or inductances, in general
- H01F27/24—Magnetic cores
- H01F27/26—Fastening parts of the core together; Fastening or mounting the core on casing or support
- H01F27/266—Fastening or mounting the core on casing or support
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F27/00—Details of transformers or inductances, in general
- H01F27/34—Special means for preventing or reducing unwanted electric or magnetic effects, e.g. no-load losses, reactive currents, harmonics, oscillations, leakage fields
- H01F27/36—Electric or magnetic shields or screens
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F27/00—Details of transformers or inductances, in general
- H01F27/40—Structural association with built-in electric component, e.g. fuse
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F27/00—Details of transformers or inductances, in general
- H01F27/40—Structural association with built-in electric component, e.g. fuse
- H01F27/402—Association of measuring or protective means
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F27/00—Details of transformers or inductances, in general
- H01F27/40—Structural association with built-in electric component, e.g. fuse
- H01F27/402—Association of measuring or protective means
- H01F2027/406—Temperature sensor or protection
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T90/00—Enabling technologies or technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02T90/10—Technologies relating to charging of electric vehicles
- Y02T90/14—Plug-in electric vehicles
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Protection Of Transformers (AREA)
Abstract
The invention relates to the technical field of high-frequency transformers, in particular to a safe high-frequency transformer for a charging pile, which comprises a transformer shell, wherein two U-shaped magnetic cores are fixedly arranged in the transformer shell, framework cylinders are arranged on the U-shaped magnetic cores, a plurality of heat exhaust openings are formed in the top wall of the transformer shell, and a cold air opening is formed in the top wall of the transformer shell; the air collecting cover is fixedly arranged on the upper surface of the transformer shell; the air equalizing cover is fixedly arranged on the lower surface of the transformer shell; the heat exchange device is fixedly arranged between the air collecting cover and the air equalizing cover; compared with the prior art, the high-frequency transformer can quickly exchange heat of heat in the high-frequency transformer, so that the high-frequency transformer is kept in a good low-temperature working state, the situation that the heat is not easy to diffuse out in a closed environment is greatly reduced, and the risk of high-temperature short circuit and other faults of the high-frequency transformer is avoided under the condition of ensuring good shielding.
Description
Technical Field
The invention relates to the technical field of high-frequency transformers, in particular to a safety high-frequency transformer for a charging pile.
Background
Along with new energy automobile's rapid development, new energy automobile fills electric pile's demand more and more, fills electric pile and installs usually in public building and residential quarter parking area or charging station, can charge for the electric automobile of various models according to the voltage class of difference. The input end of the charging pile is directly connected with an alternating current power grid, and the output end of the charging pile is provided with a charging plug for charging the electric automobile. However, in use, the inventor of the present invention has found that, for example, the existing charging pile further includes other electrical devices, and in order to prevent mutual interference between the electrical devices, a sealed metal shielding cover needs to be installed, which easily causes the high-frequency transformer to be in a sealed environment, is not easy to dissipate heat, and particularly in high-temperature summer, is very easy to cause a fault such as a short circuit due to high temperature.
Disclosure of Invention
The invention aims to provide a safe high-frequency transformer for a charging pile, and aims to solve the problems in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme: a fill electric pile with safe type high frequency transformer includes:
the transformer comprises a transformer shell, wherein two U-shaped magnetic cores are fixedly arranged in the transformer shell, a framework cylinder is arranged on each U-shaped magnetic core, a plurality of heat exhaust ports are formed in the top wall of the transformer shell, and a cold air port is formed in the top wall of the transformer shell;
the air collecting cover is fixedly arranged on the upper surface of the transformer shell;
the air equalizing cover is fixedly arranged on the lower surface of the transformer shell;
the heat exchange device is fixedly installed between the air collecting cover and the air equalizing cover, and the metal shielding cover is installed outside the heat exchange device.
As a preferred technical scheme, a suction fan is fixedly installed on the position, close to a cold air opening, of the inner wall of the top of the transformer shell.
As a preferred technical scheme of the present invention, a first vent is formed at the top of the wind-collecting cover, a third vent communicated with the first vent is formed on the heat exchanger, and the wind-collecting cover has a truncated cone-shaped cross section.
As a preferred technical scheme of the present invention, the bottom of the air-equalizing cover is provided with a second vent, the heat exchanging device is provided with a fourth vent communicated with the second vent, and the cross-sectional shape of the air-collecting cover is a circular truncated cone structure.
As a preferable technical scheme of the invention, the heat exchange device comprises a metal inner side shell and a metal outer side shell, the metal inner side shell and the metal outer side shell surround to form a concave square tube structure, a plurality of uniformly distributed semiconductor chilling plates are embedded on the shell wall of the metal outer side shell, connecting lines among the plurality of semiconductor chilling plates form the concave square structure, a heat exchange flow passage is arranged inside the heat exchange device, one side of the semiconductor chilling plate close to the heat exchange flow passage is a heat absorption end face, one side of the semiconductor chilling plate far away from the heat exchange flow passage is a heat release end face, and a heat release opening is formed in the position of the metal shielding cover on the heat release end face.
As a preferred technical scheme of the invention, a temperature measurement switch electrically connected with an alarm of the automobile charging pile is fixedly installed at the position of the first vent on the wind collecting cover, and the temperature measurement switch and the alarm are connected in series.
As a preferable technical scheme, the temperature measurement switch is in a shape of a Chinese character 'kou', a bimetallic strip and a metal contact strip are mounted on the inner side wall of the temperature measurement switch, when the temperature of the bimetallic strip is higher than a certain temperature, the surface of the bimetallic strip is in contact with the surface of the metal contact strip, one end of the bimetallic strip is connected with a second lead, and one end of the metal contact strip is connected with a first lead.
As a preferred technical solution of the present invention, the inner walls of the two sides of the metal shielding case are provided with fixing members, and one end of the fixing member, which is far away from the metal shielding case, abuts against the surface of the U-shaped magnetic core.
Compared with the prior art, the invention has the beneficial effects that:
1. according to the safe high-frequency transformer for the charging pile, disclosed by the invention, through the arrangement of the heat exhaust port, the cold air port, the suction fan, the air collecting cover, the air equalizing cover, the heat exchange device and the semiconductor refrigerating sheet, heat in the high-frequency transformer can be quickly exchanged, so that the high-frequency transformer is kept in a good low-temperature working state, the condition that the high-frequency transformer is not easy to radiate under a closed environment is greatly reduced, and the risk of faults such as high-temperature short circuit and the like of the high-frequency transformer is avoided under the condition of ensuring good shielding.
2. According to the safe high-frequency transformer for the charging pile, the temperature measuring switch, the bimetallic strip and the metal contact strip are arranged, so that the temperature of air exhausted from the working environment of the high-frequency transformer can be monitored in real time, when the temperature is too high, an external alarm can be used, the temperature measuring switch is simple in structure, the manufacturing cost is greatly reduced, and the condition that the high-frequency transformer fails due to overheating can be well avoided.
Additional features and advantages of the invention will be set forth in the detailed description which follows.
Drawings
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic structural diagram of a heat exchange device of the present invention;
FIG. 3 is an enlarged view of the invention at A in FIG. 2;
FIG. 4 is a schematic structural view of the wind-collecting cover of the present invention;
FIG. 5 is a schematic structural diagram of the temperature measurement switch of the present invention at normal temperature;
FIG. 6 is a schematic structural diagram of the temperature switch of the present invention at high temperature;
FIG. 7 is a block circuit diagram of the alarm and temperature switch of the present invention;
in the figure: 1. a transformer shell; 2. a U-shaped magnetic core; 3. a heat exhaust port; 4. a cold air port; 5. a suction fan; 6. a wind collecting cover; 7. a wind equalizing cover; 8. a heat exchange device; 9. a first vent; 10. a second vent; 11. a metal shield case; 12. a third vent; 13. a fourth vent; 14. a metal inner shell; 15. a metal outer case; 16. a semiconductor refrigeration sheet; 17. a heat absorbing end face; 18. a heat release end face; 19. a heat exchange flow channel; 20. a temperature measuring switch; 21. a bimetal; 22. a metal touch bar; 23. a first conductive line; 24. a second conductive line; 25. an alarm; 26. a fixing member; 27. a skeleton cylinder; 28. a heat release port.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In the description of the present invention, it should be noted that the terms "vertical", "upper", "lower", "horizontal", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of describing the present invention and simplifying the description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention.
In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
Referring to fig. 1-7, the present invention provides a technical solution: a fill electric pile with safe type high frequency transformer includes:
the transformer comprises a transformer shell 1, wherein two U-shaped magnetic cores 2 are fixedly arranged in the transformer shell 1, framework cylinders 27 are arranged on the U-shaped magnetic cores 2, a plurality of heat exhaust openings 3 are formed in the top wall of the transformer shell 1, and a cold air opening 4 is formed in the top wall of the transformer shell 1;
the air collecting cover 6 is fixedly arranged on the upper surface of the transformer shell 1;
the air equalizing cover 7 is fixedly arranged on the lower surface of the transformer shell 1;
the heat exchange device 8 is fixedly arranged between the wind collecting cover 6 and the wind equalizing cover 7, and the metal shielding cover 11 is arranged outside the heat exchange device 8.
Furthermore, a suction fan 5 is fixedly installed on the inner wall of the top of the transformer shell 1, which is close to the cold air opening 4.
Furthermore, a first vent 9 is formed in the top of the wind collecting cover 6, a third vent 12 communicated with the first vent 9 is formed in the heat exchange device 8, the cross section of the wind collecting cover 6 is in a circular truncated cone-shaped structure, when a coil on the framework cylinder 27 in the transformer shell 1 works to generate heat, the suction fan 5 is started, the heat is discharged to the wind collecting cover 6 through the heat discharging openings 3, and hot air at each position can enter the wind collecting cover 6 due to the arrangement of the heat discharging openings 3, so that the heat can be uniformly dissipated.
Furthermore, a second ventilation opening 10 is formed in the bottom of the wind equalizing cover 7, a fourth ventilation opening 13 communicated with the second ventilation opening 10 is formed in the heat exchange device 8, and the cross section of the wind collecting cover 6 is in a circular truncated cone-shaped structure.
Further, the heat exchanging device 8 comprises a metal inner side shell 14 and a metal outer side shell 15, the metal inner side shell 14 and the metal outer side shell 15 surround to form a square tube structure in a shape of a Chinese character 'ao', a plurality of semiconductor chilling plates 16 are evenly distributed and embedded on the shell wall of the metal outer side shell 15, connecting lines among the plurality of semiconductor chilling plates 16 form a structure in a shape of a Chinese character 'ao', a heat exchanging flow passage 19 is arranged inside the heat exchanging device 8, a heat absorbing end surface 17 is arranged on one side of each semiconductor chilling plate 16 close to the heat exchanging flow passage 19, a heat releasing end surface 18 is arranged on one side of each semiconductor chilling plate 16 far away from the heat exchanging flow passage 19, a heat releasing opening 28 is arranged on the position of the heat releasing end surface 18 of the metal shielding cover 11, hot air is intensively conveyed into the heat exchanging device 8 by the air collecting cover 6, the heat exchanging device 8 in a shape of a Chinese character 'ao' can enable the hot air to flow through the narrow heat exchanging flow passage 19, and the heat absorbing end surface 17 of the opened semiconductor chilling plates 16 can absorb heat of the hot air, the air is cooled, cold air after final cooling enters the transformer shell 1 through the cold air port 4 of the air distributing cover 7, heat dissipation treatment of the high-frequency transformer is completed, heat in the high-frequency transformer can be quickly exchanged, the high-frequency transformer is enabled to keep a good low-temperature working state, the high-frequency transformer is not prone to being dissipated under the closed environment, and the risk of high-temperature short circuit and other faults of the high-frequency transformer is avoided under the condition of ensuring good shielding.
Further, the position fixed mounting that is located first vent 9 on the wind-collecting cover 6 has temperature measurement switch 20 with the siren 25 electric connection of car charging pile, and establishes ties between temperature measurement switch 20 and the siren 25.
Furthermore, the temperature measurement switch 20 is shaped like a Chinese character 'kou', the inner side wall of the temperature measurement switch 20 is provided with a bimetallic strip 21 and a metal contact strip 22, when the temperature of the bimetal strip 21 is higher than 85 ℃, the surface of the bimetal strip 21 contacts with the surface of the metal contact strip 22, one end of the bimetal strip 21 is connected with the second lead 24, one end of the metal contact strip 22 is connected with the first lead 23, the temperature measurement switch 20 can sense the temperature of the air exhausted from the heat exhausting port 3 in real time, when the air temperature is higher than 85 degrees, the bimetallic strip 21 is bent, and the bent bimetallic strip 21 is contacted with the metal contact strip 22, make siren 25 circular telegram for siren 25 can send out the police dispatch newspaper to the external world, makes that the staff can be timely overhaul or cool down high frequency transformer, avoids the high temperature and leads to the emergence of faults such as the short circuit of high frequency transformer.
Furthermore, fixing members 26 are disposed on inner walls of two sides of the metal shielding case 11, and one end of the fixing member 26 away from the metal shielding case 11 abuts against a surface of the U-shaped magnetic core 2.
The working principle is as follows:
when the high-frequency transformer is used, when a coil on the framework cylinder 27 in the transformer shell 1 works to generate heat, the suction fan 5 is started to discharge the heat to the air collecting cover 6 through the heat discharging openings 3, the arrangement of the heat discharging openings 3 can enable hot air at each position to enter the air collecting cover 6 to ensure uniform heat dissipation, the air collecting cover 6 is utilized to intensively convey the hot air to the heat exchanging device 8, the concave heat exchanging device 8 can enable the hot air to flow through the narrow heat exchanging flow channel 19, the heat absorbing end surface 17 of the opened semiconductor refrigerating sheet 16 can absorb the heat of the hot air to enable the air to be cooled, finally cooled cold air enters the transformer shell 1 through the cold air opening 4 of the air collecting cover 7 to complete the heat dissipation treatment of the high-frequency transformer, the heat in the high-frequency transformer can be quickly exchanged, and the high-frequency transformer can keep a good low-temperature working state, the difficult circumstances of effluvium under the greatly reduced airtight environment, avoid high frequency transformer to appear the risk of faults such as high temperature short circuit under the circumstances of guaranteeing good shielding, and temperature measurement switch 20 can real-timely sense the air temperature who is discharged by heat extraction opening 3, can make bimetallic strip 21 take place to buckle when air temperature is greater than 85 degrees, and bimetallic strip 21 after buckling can contact with metal touch strip 22, make siren 25 circular telegram, make siren 25 can send out the police dispatch newspaper to the external world, make that the staff can be timely overhaul high frequency transformer or cool down, avoid the high temperature and the emergence that leads to faults such as high frequency transformer's short circuit.
It is worth noting that: the whole device realizes control over the device through the master control button, and the device matched with the control button is common equipment, belongs to the existing mature technology, and is not repeated for the electrical connection relation and the specific circuit structure.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (8)
1. The utility model provides a fill electric pile with safe type high frequency transformer which characterized in that includes:
the transformer comprises a transformer shell (1), wherein two U-shaped magnetic cores (2) are fixedly installed in the transformer shell (1), framework cylinders (27) are installed on the U-shaped magnetic cores (2), a plurality of heat exhaust openings (3) are formed in the top wall of the transformer shell (1), and a cold air opening (4) is formed in the top wall of the transformer shell (1);
the air collecting cover (6), the said air collecting cover (6) is fixedly mounted on the upper surface of the transformer shell (1);
the air-equalizing cover (7), the air-equalizing cover (7) is fixedly arranged on the lower surface of the transformer shell (1);
heat transfer device (8), heat transfer device (8) fixed mounting is between wind-collecting cover (6) and equal fan housing (7), the externally mounted of heat transfer device (8) has metal shielding cover (11).
2. The safety high-frequency transformer for the charging pile according to claim 1, wherein a suction fan (5) is fixedly installed on the position, close to the cold air opening (4), of the inner wall of the top of the transformer shell (1).
3. The safety high-frequency transformer for the charging pile according to claim 1, wherein a first vent (9) is formed in the top of the air collecting cover (6), a third vent (12) communicated with the first vent (9) is formed in the heat exchanging device (8), and the air collecting cover (6) is of a truncated cone-shaped cross section.
4. The safety high-frequency transformer for the charging pile according to claim 1, wherein a second ventilation opening (10) is formed in the bottom of the air-equalizing cover (7), a fourth ventilation opening (13) communicated with the second ventilation opening (10) is formed in the heat exchange device (8), and the cross section of the air-collecting cover (6) is in a circular truncated cone-shaped structure.
5. The safety type high-frequency transformer for charging piles according to claim 1, the heat exchange device (8) comprises a metal inner shell (14) and a metal outer shell (15), and the metal inner shell (14) and the metal outer shell (15) surround to form a concave square tube structure, a plurality of semiconductor refrigerating sheets (16) which are uniformly distributed are embedded on the wall of the metal outer shell (15), the connecting lines among the plurality of semiconductor refrigerating sheets (16) form a concave structure, a heat exchange flow passage (19) is arranged inside the heat exchange device (8), one side of the semiconductor refrigeration sheet (16) close to the heat exchange flow channel (19) is a heat absorption end surface (17), one side of the semiconductor refrigeration sheet (16) far away from the heat exchange flow channel (19) is a heat release end surface (18), and the metal shielding cover (11) is provided with a heat release opening (28) at the position of the heat release end surface (18).
6. The safety high-frequency transformer for the charging pile according to claim 3, wherein a temperature measuring switch (20) electrically connected with an alarm (25) of the charging pile of the automobile is fixedly installed on the wind collecting cover (6) at the position of the first vent (9), and the temperature measuring switch (20) and the alarm (25) are connected in series.
7. The safety high-frequency transformer for the charging pile is characterized in that the temperature measuring switch (20) is in a shape of a Chinese character kou, a bimetallic strip (21) and a metal contact strip (22) are mounted on the inner side wall of the temperature measuring switch (20), when the temperature of the bimetallic strip (21) is higher than 85 degrees, the surface of the bimetallic strip (21) is in contact with the surface of the metal contact strip (22), one end of the bimetallic strip (21) is connected with a second lead (24), and one end of the metal contact strip (22) is connected with a first lead (23).
8. The safety high-frequency transformer for the charging pile according to claim 1, wherein fixing pieces (26) are arranged on inner walls of two sides of the metal shielding case (11), and one end, far away from the metal shielding case (11), of each fixing piece (26) abuts against the surface of the U-shaped magnetic core (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210519414.XA CN114843072A (en) | 2022-05-13 | 2022-05-13 | Fill electric pile with safe type high frequency transformer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210519414.XA CN114843072A (en) | 2022-05-13 | 2022-05-13 | Fill electric pile with safe type high frequency transformer |
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| Publication Number | Publication Date |
|---|---|
| CN114843072A true CN114843072A (en) | 2022-08-02 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210519414.XA Pending CN114843072A (en) | 2022-05-13 | 2022-05-13 | Fill electric pile with safe type high frequency transformer |
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| Country | Link |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116985653A (en) * | 2023-07-19 | 2023-11-03 | 惠州市贝斯天泰科技有限公司 | Safety charging pile with alarm function |
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| JPH0195504A (en) * | 1987-10-07 | 1989-04-13 | Toshiba Corp | Device for cooling transformer |
| JP2013149783A (en) * | 2012-01-19 | 2013-08-01 | Yazaki Corp | Coil unit |
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| CN207818337U (en) * | 2017-11-21 | 2018-09-04 | 东莞市锦轩电子有限公司 | Inductor |
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| CN209571305U (en) * | 2019-03-28 | 2019-11-01 | 醴陵市辉泰电子有限公司 | A kind of transformer of perfect heat-dissipating |
| CN211628867U (en) * | 2020-03-30 | 2020-10-02 | 深圳市吉泰鑫电子有限公司 | High-frequency electronic transformer |
| US20220032865A1 (en) * | 2020-07-29 | 2022-02-03 | Ferrari S.P.A. | Vehicle provided with a wireless charger for mobile phones |
| CN216311503U (en) * | 2021-09-24 | 2022-04-15 | 清远市海之澜电子科技有限公司 | Precise inductance coil with good anti-static effect for electronic engineering |
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2022
- 2022-05-13 CN CN202210519414.XA patent/CN114843072A/en active Pending
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0195504A (en) * | 1987-10-07 | 1989-04-13 | Toshiba Corp | Device for cooling transformer |
| JP2013149783A (en) * | 2012-01-19 | 2013-08-01 | Yazaki Corp | Coil unit |
| CN205719286U (en) * | 2016-06-20 | 2016-11-23 | 姜烈伟 | A kind of temperature over-range alarm device of safe thermal resistance |
| CN207818337U (en) * | 2017-11-21 | 2018-09-04 | 东莞市锦轩电子有限公司 | Inductor |
| CN207909663U (en) * | 2018-03-14 | 2018-09-25 | 江西源能电气技术有限公司 | A kind of independent ventiduct air blast cooling type transformer |
| CN209571305U (en) * | 2019-03-28 | 2019-11-01 | 醴陵市辉泰电子有限公司 | A kind of transformer of perfect heat-dissipating |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116985653A (en) * | 2023-07-19 | 2023-11-03 | 惠州市贝斯天泰科技有限公司 | Safety charging pile with alarm function |
| CN116985653B (en) * | 2023-07-19 | 2024-03-29 | 惠州市贝斯天泰科技有限公司 | Safety charging pile with alarm function |
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Application publication date: 20220802 |