CN202773105U - Infrared camera and heating circuit thereof - Google Patents
Infrared camera and heating circuit thereof Download PDFInfo
- Publication number
- CN202773105U CN202773105U CN 201220368887 CN201220368887U CN202773105U CN 202773105 U CN202773105 U CN 202773105U CN 201220368887 CN201220368887 CN 201220368887 CN 201220368887 U CN201220368887 U CN 201220368887U CN 202773105 U CN202773105 U CN 202773105U
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- tds
- heating resistor
- detect switch
- thermal camera
- temperature detect
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Abstract
The utility model specially relates to an infrared camera and a heating circuit thereof, which belong to the field of electronic equipment. According to the infrared camera and the heating circuit provided in the utility model, the infrared camera is guaranteed to work normally at a severely cold environment. A DC source and a power heating resistor unit are connected by a temperature control switch, the temperature control switch is automatically closed when the ambient temperature reaches a critical temperature, a current flows through the power heating resistor unit to provide heat, a fog and icing phenomenon is prevented on the lens of the camera, thereby a high-quality and clear image is obtained, and the monitor effect is guaranteed.
Description
Technical field
The utility model belongs to the electronic equipment field, relates in particular to a kind of thermal camera and intensification circuit thereof.
Background technology
Thermal camera has the outstanding advantages such as night visual range is far away, disguised by force, stable performance in rig camera, thereby has occupied most market in night vision monitoring.The thermal camera of using as safety monitoring often can be used to the warm and humid environment of various complexity.
General; thermal camera in the course of the work; especially outdoor camera; usually can be subjected to the impact of the reasons such as Four seasons change, day and night temperature and sleet environment; when ambient temperature reaches subzero 5 degree or when lower, fog even icing phenomenon will appear in the lens wearer of thermal camera, and the image of shooting is thickened; cause video camera can't see object clearly, directly affect monitoring effect.
The utility model content
The purpose of this utility model is to provide a kind of intensification circuit of thermal camera, is intended to solve existing thermal camera at low temperature, when use in the severe cold zone, and fog and icing phenomenon easily appear in eyeglass, affect the technical problem of monitoring effect.
To achieve these goals, the technical solution adopted in the utility model is as follows:
A kind of intensification circuit of thermal camera comprises:
The DC power supply of operating voltage is provided for the intensification circuit;
Link to each other, realize according to the variation of ambient temperature the temperature detect switch (TDS) of automatic shutter with described DC power supply; And
Be connected between described temperature detect switch (TDS) and the ground, when described temperature detect switch (TDS) is closed, produce heat, prevent that the power heating resistor unit of fog or icing phenomenon from appearring in the eyeglass of described thermal camera.
Particularly, the supply power voltage of described DC power supply is 12V.
Particularly, described temperature detect switch (TDS) is the switch of KSD301 series.
Further, described power heating resistor unit comprises one or more power heating resistor, and described more than one power heating resistor is serially connected between described temperature detect switch (TDS) and the ground successively.
Another purpose of the present utility model is to provide a kind of thermal camera, and described thermal camera has comprised above-mentioned any intensification circuit.
The thermal camera that the utility model provides and intensification circuit thereof can guarantee the normal use of thermal camera in severe cold environment.According to the variation of ambient temperature, the intensification circuit is started working automatically during to critical temperature, and heat is provided, and avoids the video camera eyeglass fog and icing phenomenon to occur, then obtains clearly image of high-quality, guarantees monitoring effect.
Description of drawings
Fig. 1 is the structured flowchart of the thermal camera intensification circuit that provides of the utility model embodiment;
Fig. 2 is the example electronic devices and components figure of the thermal camera intensification circuit that provides of the utility model embodiment.
Embodiment
In order to make the purpose of this utility model, technical scheme and advantage clearer, below in conjunction with drawings and Examples, the utility model is further elaborated.Should be appreciated that specific embodiment described herein only in order to explaining the utility model, and be not used in restriction the utility model.
The thermal camera that the utility model provides and intensification circuit thereof, connect DC power supply and a power heating resistor unit by a temperature detect switch (TDS), variation according to ambient temperature, temperature detect switch (TDS) auto-closing during to critical temperature, electric current provides heat by power heating resistor unit, avoid the video camera eyeglass fog and icing phenomenon to occur, can guarantee the normal use of thermal camera in severe cold environment.
Fig. 1 is the structured flowchart of the thermal camera intensification circuit that provides of the utility model embodiment; For convenience of explanation, only show the part relevant with the present embodiment, as shown in the figure:
A kind of intensification circuit of thermal camera comprises: DC power supply 100, temperature detect switch (TDS) 200 and power heating resistor unit 300; Wherein, DC power supply 100 is used to whole intensification circuit that operating voltage is provided; Temperature detect switch (TDS) 200 links to each other with DC power supply 100, can realize automatic shutter according to the variation of environment for use temperature; Power heating resistor unit 300 is connected between temperature detect switch (TDS) 200 and the ground.
When ambient temperature reaches the predefined critical temperature of temperature detect switch (TDS), temperature detect switch (TDS) 200 meeting auto-closings, just there is electric current to flow through power heating resistor unit 300, power heating resistor unit 300 can produce certain heat, the effect that can not occur fog and icing phenomenon to reach the video camera eyeglass can guarantee the normal use of thermal camera in severe cold environment.
Fig. 2 is the example electronic devices and components figure of the thermal camera intensification circuit that provides of the utility model embodiment; For convenience of explanation, only show the part relevant with the present embodiment, as shown in the figure:
As an embodiment of the present utility model, the supply power voltage of DC power supply 100 employing+12V;
As an embodiment of the present utility model, temperature detect switch (TDS) 200 is the switch of KSD301 series.This series temperature detect switch (TDS) can arrange different critical temperatures, and when ambient temperature reached default critical temperature, switch formed current circuit with regard to auto-closing.
As an embodiment of the present utility model, power heating resistor unit 300 comprises one or more power heating resistor, if a plurality of power heating resistor just is serially connected between temperature detect switch (TDS) 200 and the ground successively.In the present embodiment, power heating resistor unit 300 comprises power heating resistor R1, power heating resistor R2, power heating resistor R3 and the power heating resistor R4 of successively series connection.When temperature detect switch (TDS) 200 closure, electric current is just arranged successively by power heating resistor R1, R2, R3 and R4, produce certain heat, so that fog and icing phenomenon can not appear in the video camera eyeglass, do not affect the use of thermal camera in severe cold environment, guarantee monitoring effect.
The utility model embodiment also provides a kind of thermal camera that comprises the described intensification circuit of above-mentioned any embodiment.
The thermal camera that the utility model provides and intensification circuit thereof can guarantee the normal use of thermal camera in severe cold environment.Connect DC power supply and a power heating resistor unit by a temperature detect switch (TDS), variation according to ambient temperature, temperature detect switch (TDS) auto-closing during to critical temperature, electric current provides heat by power heating resistor unit, avoid the video camera eyeglass fog and icing phenomenon to occur, then obtain clearly image of high-quality, guarantee monitoring effect.
The above only is preferred embodiment of the present utility model, not in order to limit the utility model, although with reference to previous embodiment the utility model has been carried out more detailed explanation, for a person skilled in the art, it still can be made amendment or part technical characterictic wherein is equal to replacement the technical scheme that aforementioned each embodiment puts down in writing.All any modifications of within spirit of the present utility model and principle, doing, be equal to and replace and improvement etc., all should be included within the protection range of the present utility model.
Claims (8)
1. the intensification circuit of a thermal camera is characterized in that, described intensification circuit comprises:
The DC power supply of operating voltage is provided for the intensification circuit;
Link to each other, realize according to the variation of ambient temperature the temperature detect switch (TDS) of automatic shutter with described DC power supply; And
Be connected between described temperature detect switch (TDS) and the ground, when described temperature detect switch (TDS) is closed, produce heat, prevent that the power heating resistor unit of fog or icing phenomenon from appearring in the eyeglass of described thermal camera.
2. intensification circuit as claimed in claim 1 is characterized in that, the supply power voltage of described DC power supply is 12V.
3. intensification circuit as claimed in claim 1 is characterized in that, described temperature detect switch (TDS) is the switch of KSD301 series.
4. intensification circuit as claimed in claim 1 is characterized in that, described power heating resistor unit comprises one or more power heating resistor, and described more than one power heating resistor is serially connected between described temperature detect switch (TDS) and the ground successively.
5. a thermal camera is characterized in that, described thermal camera also comprises an intensification circuit, and described intensification circuit comprises:
The DC power supply of operating voltage is provided for the intensification circuit;
Link to each other, realize according to the variation of ambient temperature the temperature detect switch (TDS) of automatic shutter with described DC power supply; And
Be connected between described temperature detect switch (TDS) and the ground, when described temperature detect switch (TDS) is closed, produce heat, prevent that the power heating resistor unit of fog or icing phenomenon from appearring in the eyeglass of described thermal camera.
6. thermal camera as claimed in claim 5 is characterized in that, the supply power voltage of described DC power supply is 12V.
7. thermal camera as claimed in claim 5 is characterized in that, described temperature detect switch (TDS) is the switch of KSD301 series.
8. thermal camera as claimed in claim 5 is characterized in that, described power heating resistor unit comprises one or more power heating resistor, and described more than one power heating resistor is serially connected between described temperature detect switch (TDS) and the ground successively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220368887 CN202773105U (en) | 2012-07-27 | 2012-07-27 | Infrared camera and heating circuit thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220368887 CN202773105U (en) | 2012-07-27 | 2012-07-27 | Infrared camera and heating circuit thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202773105U true CN202773105U (en) | 2013-03-06 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220368887 Expired - Fee Related CN202773105U (en) | 2012-07-27 | 2012-07-27 | Infrared camera and heating circuit thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202773105U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110966650A (en) * | 2019-12-24 | 2020-04-07 | 衢州康润智能控制系统有限公司 | Automatic temperature control device for thermal image detection of heating furnace based on image data processing |
-
2012
- 2012-07-27 CN CN 201220368887 patent/CN202773105U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110966650A (en) * | 2019-12-24 | 2020-04-07 | 衢州康润智能控制系统有限公司 | Automatic temperature control device for thermal image detection of heating furnace based on image data processing |
| CN110966650B (en) * | 2019-12-24 | 2021-04-30 | 陈肖兰 | Automatic temperature control device for thermal image detection of heating furnace based on image data processing |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| DD01 | Delivery of document by public notice |
Addressee: Liu Yang Document name: Notification that Application Deemed not to be Proposed |
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| ASS | Succession or assignment of patent right |
Owner name: SMART CITY SYSTEM SERVICES CHINA CO., LTD. Free format text: FORMER OWNER: CHINA SECURITY + SURVEILLANCE INTELLIGENCE (PRC), INC. Effective date: 20140428 |
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| C41 | Transfer of patent application or patent right or utility model | ||
| COR | Change of bibliographic data |
Free format text: CORRECT: ADDRESS; FROM: 518000 SHENZHEN, GUANGDONG PROVINCE TO: 518063 SHENZHEN, GUANGDONG PROVINCE |
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| TR01 | Transfer of patent right |
Effective date of registration: 20140428 Address after: 518063 Guangdong city of Shenzhen province Nanshan District Hing Road two No. 6 Wuhan University B815 Shenzhen research building room Patentee after: Wisdom city system service (China) company limited Address before: 518000 Guangdong province Shenzhen City Guangming Street PENAVICO constant high tech Industrial Park Building 1 building 1-5, building 2, building 1-5, building 3 floor 1-2 Patentee before: China Secunity & Surveillance Intelligence (PRC), Inc. |
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| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20160226 Address after: 201299, No. 2099 Huaxia East Road, Shanghai, Pudong New Area Patentee after: Security service (Shanghai) Co., Ltd. Address before: 518063 Guangdong city of Shenzhen province Nanshan District Hing Road two No. 6 Wuhan University B815 Shenzhen research building room Patentee before: Wisdom city system service (China) company limited |
|
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130306 Termination date: 20180727 |