CN208158189U - High voltage withstanding onboard charger - Google Patents
High voltage withstanding onboard charger Download PDFInfo
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- CN208158189U CN208158189U CN201820692145.6U CN201820692145U CN208158189U CN 208158189 U CN208158189 U CN 208158189U CN 201820692145 U CN201820692145 U CN 201820692145U CN 208158189 U CN208158189 U CN 208158189U
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- insulation sleeve
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Abstract
The utility model relates to a kind of high voltage withstanding onboard chargers, it includes charger body and the circuit board that is installed in charger body, the charger body includes shell, positive bullet, cathode elastic slice, the cathode elastic slice includes spring plate and cathode contact head, shell has cathode hole, to expose cathode contact head, circuit board is installed with interface module, interface module is arranged with the insulation sleeve that the shell is isolated with interface module, cathode contact headgear has an insulating washer, and spring plate is made to be isolated from the shell.By being arranged on insulation sleeve and cathode elastic slice in interface module, insulating washer is set, shell and cathode elastic slice, interface module are dielectrically separated from, when vehicle charging current voltage is excessively high, cathode elastic slice and circuit board, interface module non-conducting are in shell, it is more safe and reliable, extend the service life of onboard charger.
Description
Technical field
The utility model relates to onboard charger technical fields, and in particular to a kind of high voltage withstanding onboard charger.
Background technique
With the extensive use of electronic equipment, since onboard charger is easy to use and easy to carry, in the daily of people
It is also had been widely used in life.Currently, portable, hand-held electronic equipment such as mobile phone, plate etc. is at for people's lives
One of necessity, these electronic product functional applications are more, and long using the time, power consumption is fast.In order to which the offer of electron product is more square
Just it efficiently charges, most of electronic products all uses lithium battery at present.In general, lithium battery charging is needed in constant pressure, perseverance
It is completed in the environment of stream, but vehicular power-bottle power supply instability, phenomena such as there are momentary spikes voltages, system switching noise.Thus
Promote the extensive use of onboard charger.
When existing onboard charger charges, the temperature of charger internal mainly passes through the thermally conductive materials such as some metals biography
Export, for example, being transferred out heat by cathode elastic slice.Onboard charger charging is in use, result in cathode elastic slice temperature as a result,
It spends higher.The excessively high onboard charger service life that will lead to of temperature is low, and, it is often more important that there is security risk.
On the other hand, electric conductor of the cathode elastic slice as onboard charger, traditional cathode elastic slice are substantially with shell
It is in close contact, USB interface is also directly to contact with shell, therefore, electric leakage is easy when Current Voltage is excessively high, safe to the human body to deposit
In hidden danger.Therefore, present onboard charger first passes through high voltage test before factory：The high-tension current of 500V is imported vehicle to fill
In, vehicle fills non-conductive indicate that of shell and passes through Hi-pot test.Obviously, traditional onboard charger is difficult to survey by this high pressure
Examination.
Utility model content
In view of this, it is necessary to provide it is a kind of can high pressure resistant high current, insulation performance it is good, safe and reliable high voltage withstanding
Onboard charger.
A kind of high voltage withstanding onboard charger comprising charger body and the circuit board being installed in charger body,
The charger body includes shell, positive bullet, cathode elastic slice, and the anode bullet and cathode elastic slice are installed in shell, institute
Stating cathode elastic slice includes spring plate and cathode contact head, and the shell has cathode hole, for exposing the cathode contact head, institute
It states circuit board and is installed with interface module in one end far from positive bullet, the interface module is arranged with the shell and interface
The insulation sleeve of component isolation, the cathode contact headgear have an insulating washer, and the insulating washer is sheathed on cathode contact head
Periphery makes spring plate be isolated from the shell.
Further, the insulation sleeve is silicagel pad, and the insulating washer is silicone gasket.
Further, the circuit board is equipped with interface board in one end far from positive bullet, and the interface module is mounted on
On interface board, the insulation sleeve is bonded the space of sealed interface component with interface board.
Further, the interface module includes more than two charging interfaces, is set on interface board side by side, the insulation sleeve
Corresponding each charging interface is equipped with window, so that charging interface exposes.
Further, for the shell in the nut cap that is equipped with far from positive bullet, the nut cap has interface holes, right respectively
It should be in each charging interface and each window.
Further, the insulation sleeve has surrounding side wall and roof, and the nut cap has nut cap top and nut cap edge, described
The surrounding side wall of insulation sleeve is located in interface module side and nut cap between medial surface, and the roof of the insulation sleeve, which is located in, to be connect
Between mouth component top surface and nut cap top.
Further, the interface board is equipped with LED light, and the LED light is located at insulation sleeve bottom, and the insulation sleeve is
Light silica gel, the nut cap have the transparent ring for exposing translucent silica gel.
Further, the insulating washer has a glue side, the glue side be located in cathode hole inner wall and cathode spring plate it
Between.
Further, the shell offers positive screw hole in positive bullet position, and the anode screw hole screw thread is socketed with
Metal tube, the metal tube threaded one end are connected to positive screw hole, and the other end is connected through a screw thread a nipple orifice, described
Positive bullet is stuck in nipple orifice.
Further, the shell is metal-back, and the nut cap is metal cover.
In above-mentioned high voltage withstanding onboard charger, the interface module is arranged with insulation sleeve, by the shell and interface
Cathode elastic slice and shell are completely cut off by insulating washer, are only connect by cathode contact head with cigar lighter by component isolation, insulation,
In this way, shell and interface module, cathode elastic slice are dielectrically separated from, when vehicle charging current voltage is excessively high, cathode elastic slice and circuit board,
Interface module non-conducting is in shell, more securely and reliably, extends the service life of onboard charger.
Detailed description of the invention
Fig. 1 is the dimensional decomposition structure diagram of the high voltage withstanding onboard charger of the utility model embodiment.
Fig. 2 is another view stereo decomposition texture signal of the high voltage withstanding onboard charger of the utility model embodiment
Figure.
Specific embodiment
The utility model is described in detail below with reference to specific embodiments and the drawings.
Fig. 1 and Fig. 2 are please referred to, a kind of high voltage withstanding onboard charger 100 of the utility model embodiment is shown, including is filled
Electric appliance main body 10 and the circuit board 20 being installed in charger body 10, the charger body 10 include shell 11, positive bullet
First 12, cathode elastic slice 13, the anode bullet 12 and cathode elastic slice 13 are installed in shell 11, and the cathode elastic slice 13 includes bullet
Sheet body 132 and cathode contact head 133, the shell 11 has cathode hole 112, described for exposing the cathode contact head 133
Circuit board 20 is installed with interface module 24 in one end far from positive bullet 12, and the interface module 24 is arranged with the shell
11 insulation sleeves 30 being isolated with interface module 24, the cathode contact head 133 are cased with an insulating washer 32, the insulating washer
32 are sheathed on 133 periphery of cathode contact head, and spring plate 132 is made to be isolated from the shell 11.
Specifically, the shell 11 is metal-back, it is preferable that entire outside is all metal material.The insulation sleeve 30 is
Silicagel pad, the insulating washer 32 are silicone gasket.By insulation sleeve 30 and insulating washer 32 by internal electronic device or conduction
Element such as cathode elastic slice 13, interface module 24 and shell completely cut off.
Further, the circuit board 20 is equipped with interface board 26, the interface module in one end far from positive bullet 12
24 are mounted on interface board 26, and the insulation sleeve 30 is bonded the space of sealed interface component 24 with interface board 26.Further
Ground, the interface module 24 include more than two interfaces 242, are set on interface board 26 side by side, two 26 parallel side-by-sides of interface board,
Each interface board 26 has a charging interface 27, and the corresponding each charging interface 27 of the insulation sleeve 30 is equipped with window 31, so that
Charging interface 27 exposes.
Specifically, the shell 11 is being equipped with nut cap 16 far from positive bullet 12, and the nut cap 16 has interface holes
163, correspond respectively to each charging interface 27 and each window 31.The nut cap 16 is metal cover.
Specifically, the insulation sleeve 30 has surrounding side wall and roof, and the nut cap 16 is hat shape, has nut cap top and lid
For cap along 162, the surrounding side wall of the insulation sleeve 30 is located in 24 side of interface module and nut cap between 162 medial surfaces, described
The roof of insulation sleeve 30 is located between 24 top surface of interface module and nut cap top 161.Further, the insulating washer 32 has
Glue side 34, the glue side 34 are located between 13 body of 112 inner wall of cathode hole and cathode elastic slice.
Further, the interface board 26 is equipped with LED light 261, and the LED light 261 is located at 30 bottom of insulation sleeve, described
Insulation sleeve 30 can be translucent silica gel, and the nut cap 16 has the transparent ring for exposing translucent silica gel.
As shown in Fig. 2, the shell 11 offers positive screw hole 113, the anode screw hole 113 in positive 12 position of bullet
Screw thread is socketed with metal tube 114, and 114 threaded one end of metal tube is connected to positive screw hole 113, and the other end passes through screw thread
A nipple orifice 115 is connected, the anode bullet 12 is stuck in nipple orifice 115.
Above-mentioned high voltage withstanding onboard charger 100 is tested：Throw the high-tension current of 500V into onboard charger
100, whether test shell has electric leakage, shows shell non-conducting without electric leakage by test, and entire onboard charger is non-conductive, surveys
Examination is completely qualified.
Therefore, in above-mentioned high voltage withstanding onboard charger 100, the interface module 24 is arranged with insulation sleeve 30, by institute
It states shell 11 to be isolated with interface module 24, insulate, is completely cut off cathode elastic slice 13 and shell 11 by insulating washer 32, only by negative
Pole contact head 133 is connect with cigar lighter, in this way, shell 11 and interface module 24, cathode elastic slice 13 are dielectrically separated from, when vehicle charges
When current voltage is excessively high, cathode elastic slice 13 and circuit board 20,24 non-conducting of interface module are in shell, more securely and reliably.Simultaneously just
All-metal body is used in shell 11, can be radiated by metal shell 11, avoid 100 internal temperature mistake of onboard charger
Height extends the service life of onboard charger 100 so that electronic component operation is more safe and reliable.
It should be noted that the utility model is not limited to above embodiment, creation essence according to the present utility model
Mind, those skilled in the art can also make other variations, these variations done according to the creative spirit of the utility model, all
Should be included in the utility model it is claimed within the scope of.
Claims (10)
1. a kind of high voltage withstanding onboard charger, which is characterized in that including charger body and be installed in charger body
Circuit board, the charger body include shell, positive bullet, cathode elastic slice, and the anode bullet and cathode elastic slice are installed in
Shell, the cathode elastic slice include spring plate and cathode contact head, and the shell has cathode hole, connects for exposing the cathode
Contact, the circuit board are installed with interface module in one end far from positive bullet, and the interface module is arranged with the shell
The insulation sleeve that body is isolated with interface module, the cathode contact headgear have an insulating washer, and the insulating washer is sheathed on negative
Pole contact head periphery, makes spring plate be isolated from the shell.
2. high voltage withstanding onboard charger as described in claim 1, which is characterized in that the insulation sleeve is silicagel pad, described
Insulating washer is silicone gasket.
3. high voltage withstanding onboard charger as described in claim 1, which is characterized in that the circuit board is far from positive bullet
One end be equipped with interface board, the interface module is mounted on interface board, and the insulation sleeve is bonded sealing with interface board and connects
The space of mouth component.
4. high voltage withstanding onboard charger as described in claim 1, which is characterized in that the interface module includes two or more
Charging interface is set on interface board side by side, and the insulation sleeve corresponds to each charging interface equipped with window, so that charging interface reveals
Out.
5. high voltage withstanding onboard charger as claimed in claim 4, which is characterized in that the shell is far from positive bullet
Nut cap is installed, the nut cap has interface holes, corresponds respectively to each charging interface and each window.
6. high voltage withstanding onboard charger as claimed in claim 5, which is characterized in that the insulation sleeve have surrounding side wall and
Roof, the nut cap have nut cap top and nut cap edge, and the surrounding side wall of the insulation sleeve is located in interface module side and nut cap
Between medial surface, the roof of the insulation sleeve is located between interface module top surface and nut cap top.
7. high voltage withstanding onboard charger as claimed in claim 6, which is characterized in that the interface board is equipped with LED light, institute
It states LED light and is located at insulation sleeve bottom, the insulation sleeve is translucent silica gel, and the nut cap has the transparent ring for exposing translucent silica gel.
8. high voltage withstanding onboard charger as claimed in claim 7, which is characterized in that the insulating washer has glue side, institute
Glue side is stated to be located between cathode hole inner wall and cathode spring plate.
9. high voltage withstanding onboard charger as described in claim 1, which is characterized in that the shell is opened in positive bullet position
Equipped with positive screw hole, the anode screw hole screw thread is socketed with metal tube, and the metal tube threaded one end is connected to positive spiral shell
Hole, the other end are connected through a screw thread a nipple orifice, and the anode bullet is stuck in nipple orifice.
10. high voltage withstanding onboard charger as claimed in claim 5, which is characterized in that the shell is metal-back, the lid
Cap is metal cover.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820692145.6U CN208158189U (en) | 2018-05-10 | 2018-05-10 | High voltage withstanding onboard charger |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820692145.6U CN208158189U (en) | 2018-05-10 | 2018-05-10 | High voltage withstanding onboard charger |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208158189U true CN208158189U (en) | 2018-11-27 |
Family
ID=64390360
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820692145.6U Active CN208158189U (en) | 2018-05-10 | 2018-05-10 | High voltage withstanding onboard charger |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208158189U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2020199297A1 (en) * | 2019-04-02 | 2020-10-08 | 深圳市首诺信电子有限公司 | Springless magnetic type on-vehicle charger and on-vehicle power supply |
-
2018
- 2018-05-10 CN CN201820692145.6U patent/CN208158189U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2020199297A1 (en) * | 2019-04-02 | 2020-10-08 | 深圳市首诺信电子有限公司 | Springless magnetic type on-vehicle charger and on-vehicle power supply |
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