CN203344868U - Frost removing structure for automobile rearview mirror - Google Patents
Frost removing structure for automobile rearview mirror Download PDFInfo
- Publication number
- CN203344868U CN203344868U CN 201320348143 CN201320348143U CN203344868U CN 203344868 U CN203344868 U CN 203344868U CN 201320348143 CN201320348143 CN 201320348143 CN 201320348143 U CN201320348143 U CN 201320348143U CN 203344868 U CN203344868 U CN 203344868U
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- CN
- China
- Prior art keywords
- rearview mirror
- automobile rearview
- temperature coefficient
- positive temperature
- frost
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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- Rear-View Mirror Devices That Are Mounted On The Exterior Of The Vehicle (AREA)
Abstract
The utility model discloses a frost removing structure for an automobile rearview mirror. The frost removing structure is used for removing frost of the automobile rearview mirror and comprises a positive temperature coefficient thermal resistor attached to the automobile rearview mirror, and a wire electrically connected with the positive temperature coefficient thermal resistor, and the other end of the wire is communicated with an automobile storage battery. In the frost removing structure for the automobile rearview mirror, according to the character that the resistance value of the positive temperature coefficient thermal resistor is larger when the temperature is higher, after the resistor is powered on, the temperature gradually rises, the resistance value of the positive temperature coefficient thermal resistor becomes large after a certain temperature value is reached, so that the currents are reduced, and the heating amount is reduced correspondingly; when the temperature drops, the resistance value is reduced, the current value is increased, and the heating amount is increased. Thus, under the condition of certain voltage, the heating temperature of the resistor can be automatically controlled within a range constantly, and fixed heating time does not need to be set. The purpose of removing the frost is achieved, energy is not wasted, and a mirror body is protected from excessive heating.
Description
Technical field
The utility model relates to a kind of defrosting structure, relates in particular to a kind of automobile rearview mirror defrosting structure.
Background technology
Along with the high speed development of Chinese national economy, vehicle is universal in a large number.The comfortableization function of vehicle is also more and more many, and back mirror heating defrost function is exactly wherein one.
The back mirror heating function, refer to and due to back mirror surface temperature and sleet temperature contrast, can tie the thin frost of one deck while driving a vehicle in the rainy day, causes chaufeur can't clearly see back mirror.For head it off, generally can cover one deck resistor wire at back mirror back side note, then by controller, to resistor wire, switch on, after the resistor wire heating, can be delivered to the mirror body, reach the function of defrosting.
This heating function, generally can be provided with a switch.But in actual applications, most chaufeurs can be forgotten this switch of shutoff.Can cause the back mirror long-time heating like this, waste energy, even high temperature can affect the mirror body life time.
For avoiding this problem, current way is to carry out timing, turn-off heating function by controller.But there is drawback in such scheme, be exactly that vehicle dispatches from the factory as last a fixing heating turn-off time can be set, and the actual environment of our each vehicle while using this heating function there are differences: if the time of heat arranged is long, waste energy, affect the mirror body life time; If the time of heat arranged is too short, the purpose of out of reach defrosting, and close and have no progeny, temperature descends, frosting again again.
The utility model content
The utility model, for the drawback of prior art, provides a kind of automobile rearview mirror defrosting structure.
Automobile rearview mirror defrosting structure described in the utility model, for automobile rearview mirror is defrosted, comprise the positive temperature coefficient thermistor be attached on automobile rearview mirror, and the wire be electrically connected with this positive temperature coefficient thermistor, the other end of described wire is communicated with automotive battery.
In automobile rearview mirror defrosting structure described in the utility model, described positive temperature coefficient thermistor is attached at the back side of automobile rear view mirror lens.
In automobile rearview mirror defrosting structure described in the utility model, described positive temperature coefficient thermistor is the back side that reciprocal curvilinear figure is attached at automobile rear view mirror lens.
In automobile rearview mirror defrosting structure described in the utility model, described positive temperature coefficient thermistor is attached at the back side of automobile rear view mirror lens in the shape of a spiral.
In automobile rearview mirror defrosting structure described in the utility model, attach positive temperature coefficient thermistor at automobile rearview mirror, utilize the larger characteristic of this positive temperature coefficient thermistor resistance value when temperature is higher, make after the resistor energising, temperature rises gradually; After reaching certain temperature value, its resistance value can become greatly, causes electric current to reduce, and cal val also can correspondingly reduce; When temperature descends, resistance value descends, and current value rises, and cal val can strengthen.Like this, in the situation that voltage is certain, just can automatically be controlled at the heating-up temperature of resistor in a scope all the time, and a fixing time of heat need not be set.Can reach the defrosting purpose, not waste energy again, can also protective glass body superheated.
The accompanying drawing explanation
The cross-sectional schematic that Fig. 1 is the utility model embodiment automobile rearview mirror defrosting structure.
Description of reference numerals:
1: picture frame;
2: eyeglass;
3: positive temperature coefficient thermistor;
4: wire.
The specific embodiment
For making the technical problems to be solved in the utility model, technical scheme and advantage clearer, be described in detail below in conjunction with the accompanying drawings and the specific embodiments.
As shown in Figure 1, automobile rearview mirror defrosting structure described in the utility model, for automobile rearview mirror is defrosted, the eyeglass 2 of described automobile rearview mirror is placed in picture frame 1.Be pasted with positive temperature coefficient thermistor 3 on the eyeglass 2 of described automobile rearview mirror, and the wire 4 be electrically connected with this positive temperature coefficient thermistor 3, the other end of described wire 4 is communicated with the automotive battery (not shown).
In automobile rearview mirror defrosting structure described in the utility model, normally described positive temperature coefficient thermistor 3 is attached to the back side of automobile rear view mirror lens 2.Specifically described positive temperature coefficient thermistor 3 can be to the back side that reciprocal curvilinear figure is attached at automobile rearview mirror; Perhaps, described positive temperature coefficient thermistor is attached in the shape of a spiral to the back side of automobile rearview mirror.
In automobile rearview mirror defrosting structure described in the utility model, attach positive temperature coefficient thermistor at automobile rearview mirror, utilize the larger characteristic of this positive temperature coefficient thermistor resistance value when temperature is higher, make after the resistor energising, temperature rises gradually; After reaching certain temperature value, its resistance value can become greatly, causes electric current to reduce, and cal val also can correspondingly reduce; When temperature descends, resistance value descends, and current value rises, and cal val can strengthen.Like this, in the situation that voltage is certain, just can automatically be controlled at the heating-up temperature of resistor in a scope all the time, and a fixing time of heat need not be set.Can reach the defrosting purpose, not waste energy again, can also protective glass body superheated.
The above is preferred implementation of the present utility model; should be understood that; for those skilled in the art; under the prerequisite that does not break away from principle described in the utility model; can also make some improvements and modifications, these improvements and modifications also should be considered as protection domain of the present utility model.
Claims (4)
1. an automobile rearview mirror defrosting structure, for automobile rearview mirror is defrosted, it is characterized in that, comprise the positive temperature coefficient thermistor be attached on automobile rearview mirror, and the wire be electrically connected with this positive temperature coefficient thermistor, the other end of described wire is communicated with automotive battery.
2. automobile rearview mirror defrosting structure as claimed in claim 1, is characterized in that, described positive temperature coefficient thermistor is attached at the back side of automobile rear view mirror lens.
3. automobile rearview mirror defrosting structure as claimed in claim 2, is characterized in that, described positive temperature coefficient thermistor is the back side that reciprocal curvilinear figure is attached at automobile rear view mirror lens.
4. automobile rearview mirror defrosting structure as claimed in claim 2, is characterized in that, described positive temperature coefficient thermistor is attached at the back side of automobile rear view mirror lens in the shape of a spiral.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320348143 CN203344868U (en) | 2013-06-18 | 2013-06-18 | Frost removing structure for automobile rearview mirror |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320348143 CN203344868U (en) | 2013-06-18 | 2013-06-18 | Frost removing structure for automobile rearview mirror |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203344868U true CN203344868U (en) | 2013-12-18 |
Family
ID=49744797
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320348143 Expired - Fee Related CN203344868U (en) | 2013-06-18 | 2013-06-18 | Frost removing structure for automobile rearview mirror |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203344868U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105564321A (en) * | 2015-08-07 | 2016-05-11 | 马根昌 | Solar waterproof rearview mirror |
| CN108032811A (en) * | 2017-12-27 | 2018-05-15 | 重庆精高金属结构制造有限公司 | A kind of automatic defrosting automobile rearview mirror |
-
2013
- 2013-06-18 CN CN 201320348143 patent/CN203344868U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105564321A (en) * | 2015-08-07 | 2016-05-11 | 马根昌 | Solar waterproof rearview mirror |
| CN105564321B (en) * | 2015-08-07 | 2017-11-21 | 新昌县羽林街道维新机械厂 | Solar energy water-proof rearview mirror |
| CN108032811A (en) * | 2017-12-27 | 2018-05-15 | 重庆精高金属结构制造有限公司 | A kind of automatic defrosting automobile rearview mirror |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20131218 Termination date: 20210618 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |