CN213594183U - Low electromagnetic interference heating device for automobile outer rearview mirror - Google Patents
Low electromagnetic interference heating device for automobile outer rearview mirror Download PDFInfo
- Publication number
- CN213594183U CN213594183U CN202020406698.8U CN202020406698U CN213594183U CN 213594183 U CN213594183 U CN 213594183U CN 202020406698 U CN202020406698 U CN 202020406698U CN 213594183 U CN213594183 U CN 213594183U
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- heating device
- resistance wire
- electromagnetic interference
- heating
- rearview mirror
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- Rear-View Mirror Devices That Are Mounted On The Exterior Of The Vehicle (AREA)
Abstract
The utility model relates to a low electromagnetic interference heating device for an automobile outer rearview mirror; the heating device is arranged between the lens and the lens supporting plate in the rearview mirror; the low electromagnetic interference heating device for the automobile exterior rearview mirror comprises: the heating device comprises a positive terminal, a negative terminal, a heating resistance wire and a resistance wire disc, wherein the positive terminal, the negative terminal and the heating resistance wire are fixed on the positive terminal; the heating resistance wire is fully distributed on the whole resistance wire disc, and the shape of the resistance wire disc is consistent with that of the rearview mirror. The utility model provides a vapour exterior mirror is with low electromagnetic interference heating device can frost or the quick deicing of freezing weather or defrost at low temperature, has solved rear-view mirror heating device (2.5A-3.5A usually) and has produced strong magnetic field under the heavy current to disturb the problem of the normal work of peripheral electrical apparatus.
Description
Technical Field
The utility model relates to a heating device, concretely relates to outside rear-view mirror has integrateed the heating function, can frost or the quick deicing of freezing weather or the low electromagnetic interference heating device for outside rear-view mirror of defrosting at low temperature.
Background
Along with the car configuration is more and more electronization and humanized, outside rear-view mirror integrated heating, camera function, can be at low temperature frosting or quick deicing of freezing weather or defrosting, provide side position or 360 degrees look around the image when turning to or backing a car, prior art as follows:
1. the outer mirror heating uses a normal pressure type, and the heating device is substantially resistance heating, and is divided into a constant resistance heating device (CW) and a temperature-variable semiconductor resistance heating device (PTC), both of which are wired according to heating requirements, and an electromagnetic field generated by the wiring is rarely considered.
2. The electronic imaging device is characterized in that the core of the electronic imaging device is a camera and a wire harness for transmitting data, the camera loaded on the outer rearview mirror at present has certain anti-interference capability, and the coaxial cable or the stranded wire of the camera wire harness also has certain anti-interference capability.
SUMMERY OF THE UTILITY MODEL
To the above problem, the main object of the utility model is to provide an outside rear-view mirror has integrateed the heating function, can frost or the quick deicing of freezing weather or the low electromagnetic interference heating device for outside rear-view mirror of defrosting at low temperature.
The utility model discloses a solve above-mentioned technical problem through following technical scheme: a low electromagnetic interference heating device for an automobile outer rearview mirror; the heating device is arranged between the lens and the lens supporting plate in the rearview mirror; the low electromagnetic interference heating device for the automobile exterior rearview mirror comprises: the heating wire coil is fixed on the positive terminal, the negative terminal and the heating resistance wire; the heating resistance wire is fully distributed on the whole resistance wire disc, and the shape of the resistance wire disc is consistent with that of the rearview mirror.
In a specific embodiment of the present invention; the heating device is fixed between the lens and the lens tray by a double-sided adhesive tape.
In a specific embodiment of the present invention; and the positive terminal and the negative terminal are fixed on the resistance wire disc by adopting connecting rivets.
The utility model discloses an actively advance the effect and lie in: the utility model provides a vapour exterior mirror is with low electromagnetic interference heating device has following advantage: the utility model provides a vapour exterior mirror is with low electromagnetic interference heating device can frost or the quick deicing of freezing weather or defrost at low temperature, has solved rear-view mirror heating device (2.5A-3.5A usually) and has produced strong magnetic field under the heavy current to disturb the problem of the normal work of peripheral electrical apparatus.
Drawings
Fig. 1 is a schematic structural view of the low electromagnetic interference heating device for an exterior mirror of the present invention.
Fig. 2 is a schematic structural view of the exterior mirror assembly of the present invention.
Fig. 3 is a schematic structural view of the outer mirror lens of the present invention (a-a cross-sectional view of fig. 2).
Fig. 4 is a schematic structural view of the outer mirror lens assembly of the present invention (enlarged view at B of fig. 3).
Fig. 5 is a schematic view of the low electromagnetic interference principle of the exterior mirror heating device of the present invention.
The utility model discloses the name that well reference numeral corresponds:
the lens frame 1, the lens 2, the camera 3, the mirror shell 4, the shock pad 5, the mirror base 6, the pencil 7, the lens support 8, heating device 9, first double-sided adhesive tape 10, second double-sided adhesive tape 11, lens layer board 12, first resistance wire 13, second resistance wire 14, third resistance wire 15, fourth resistance wire 16, magnetic line of force 17, positive terminal 21, negative terminal 22, heating resistance wire 23, resistance wire dish 24, connection rivet 25.
Detailed Description
The following provides a preferred embodiment of the present invention with reference to the accompanying drawings to explain the technical solutions of the present invention in detail.
The utility model provides a low electromagnetic interference heating device for an automobile outer rearview mirror; the heating device is arranged between the lens and the lens supporting plate in the rearview mirror; fig. 1 is a schematic structural view of the low electromagnetic interference heating device for an exterior mirror of the present invention. As shown in figure 1: the heating device comprises a positive terminal 21, a negative terminal 22, a heating resistance wire 23 and a resistance wire disc 24, wherein the positive terminal, the negative terminal and the heating resistance wire are fixed on the positive terminal; the heating resistance wire is fully distributed on the whole resistance wire disc 24, and the shape of the resistance wire disc 24 is consistent with the shape of the lens 2 (see figure 2) of the rearview mirror.
The heating device 9 is fixed between the lens 2 and the lens tray 12 (see fig. 4) using a double-sided adhesive tape. The positive terminal 21 and the negative terminal 22 are fixed to the resistance wire reel 24 with a connecting rivet 25.
In fig. 4, a first double-sided adhesive tape 10, a heating device 9, and a second double-sided adhesive tape 11 are disposed between the lens 2 and the lens pallet 12 in this order.
And engraving the aluminum foil into a resistance wire of the heating device with a specific circuit by using a laser engraving process. As shown in fig. 4, two sides of the heating device 9 are respectively bonded by a first double-sided adhesive tape 10 and a second double-sided adhesive tape 11, and the lens 2 in fig. 4 and the lens supporting plate 12 in fig. 4 are connected to form a small mirror assembly; the mirror surface small assembly is connected to the lens part through a buckle, and forms a lens together with the lens frame 1, the lens shell 4, the shock pad 5 and the lens base 6 in the figure 3; the lens support 8 is provided with the camera 3, and the lens support 8 provided with the camera 3 and the lens are connected with the lens base part through the spring and the pin shaft to form a complete exterior rearview mirror.
The following are specific examples of implementation: the utility model uses laser to carve the heating resistance wire 23 in figure 1 on the aluminum foil substrate (the aluminum foil substrate is the resistance wire disc 24 in the utility model); riveting the connecting rivet 25 in fig. 1 by a riveting machine, wherein the positive terminal 21 and the negative terminal 22 in fig. 1 and the heating resistance wire 23 in fig. 1 are connected; ensuring current flow after power-on is shown in the direction of the arrows in fig. 1; after the electricity is supplied, the current flows from the end of the vehicle body to the positive terminal 21 in fig. 1, the heating resistance wire 23 in fig. 1 and the negative terminal 22 in fig. 1 through the wire harness 7 in fig. 2 and then returns to the vehicle body, the direction of the interference magnetic field generated by the local current of the resistance wire is shown as the magnetic force line 17 in fig. 5, and in fig. 5, the first resistance wire 13, the second resistance wire 14, the third resistance wire 15 and the fourth resistance wire 16; any adjacent heating resistance wire is reverse current, and the generated peripheral magnetic field can be self-cancelled, so that the aim of low electromagnetic interference is fulfilled.
The basic principles and the main features of the invention and the advantages of the invention have been shown and described above. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are intended to illustrate the principles of the invention, and that various changes and modifications may be made without departing from the spirit and scope of the invention, which is defined by the appended claims and their equivalents.
Claims (3)
1. The utility model provides a low electromagnetic interference heating device for outside rear-view mirror of car which characterized in that: the heating device is arranged between the lens and the lens supporting plate in the rearview mirror; the low electromagnetic interference heating device for the automobile exterior rearview mirror comprises: the heating wire coil is fixed on the positive terminal, the negative terminal and the heating resistance wire; the heating resistance wire is fully distributed on the whole resistance wire disc, and the shape of the resistance wire disc is consistent with that of the rearview mirror.
2. The low electromagnetic interference heating apparatus for the automobile exterior rear view mirror according to claim 1, characterized in that: the heating device is fixed between the lens and the lens tray by a double-sided adhesive tape.
3. The low electromagnetic interference heating apparatus for the automobile exterior rear view mirror according to claim 1, characterized in that: and the positive terminal and the negative terminal are fixed on the resistance wire disc by adopting connecting rivets.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020406698.8U CN213594183U (en) | 2020-03-26 | 2020-03-26 | Low electromagnetic interference heating device for automobile outer rearview mirror |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020406698.8U CN213594183U (en) | 2020-03-26 | 2020-03-26 | Low electromagnetic interference heating device for automobile outer rearview mirror |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213594183U true CN213594183U (en) | 2021-07-02 |
Family
ID=76582440
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020406698.8U Active CN213594183U (en) | 2020-03-26 | 2020-03-26 | Low electromagnetic interference heating device for automobile outer rearview mirror |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213594183U (en) |
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2020
- 2020-03-26 CN CN202020406698.8U patent/CN213594183U/en active Active
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