CN214311474U - Temperature control system and infrared detector - Google Patents
Temperature control system and infrared detector Download PDFInfo
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- CN214311474U CN214311474U CN202023331038.7U CN202023331038U CN214311474U CN 214311474 U CN214311474 U CN 214311474U CN 202023331038 U CN202023331038 U CN 202023331038U CN 214311474 U CN214311474 U CN 214311474U
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Abstract
The utility model discloses a temperature control system and infrared detector, wherein, be applied to the operating temperature regulation of infrared detector system internal environment, temperature control system includes: the temperature detection module is used for detecting the working temperature of the infrared detector; and the temperature control module is electrically connected with the temperature detection module and is used for controlling the temperature of the infrared detector according to the working temperature so that the infrared detector is kept at the target temperature. The system detects the working temperature of the infrared detector through the temperature detection module and controls the temperature of the infrared detector through the temperature control module according to the working temperature, so that the infrared detector is kept at the target temperature, even if the infrared detector is kept in the optimal working temperature range, and the detection precision of the infrared detector is greatly improved.
Description
Technical Field
The utility model relates to an electronic equipment technical field, concretely relates to temperature control system and infrared detector.
Background
The infrared detector is easily influenced by the temperature of a working environment when detecting the temperature of a target object, and the detection precision is highest when the temperature of the working environment is between 20 and 40 ℃. Therefore, the operating temperature of the infrared detector is often not at the optimal ambient temperature.
Disclosure of Invention
The embodiment of the utility model provides a temperature control system and infrared detector are provided to solve current infrared detector at least and detect the poor problem of precision.
The technical scheme of the utility model as follows:
according to the utility model discloses an aspect provides a temperature control system, is applied to the operating temperature regulation of infrared detector system internal environment, and temperature control system includes:
the temperature detection module is used for detecting the working temperature of the infrared detector;
and the temperature control module is electrically connected with the temperature detection module and is used for controlling the temperature of the infrared detector according to the working temperature so as to keep the infrared detector at the target temperature.
Further, the temperature control module comprises:
the heater is used for heating the environment block inside the infrared detector system;
and the refrigerator is used for cooling the internal environment of the infrared detector system.
Further, the system further comprises:
and the moisture-proof shell is used for wrapping the temperature detection module, the heater and the refrigerator.
Further, the apparatus further comprises:
and the memory is used for storing the temperature data acquired by the temperature detection module.
Further, the temperature detection module includes: the temperature acquisition unit, the analog signal conversion unit and the analog signal output unit are sequentially connected;
the temperature acquisition unit transmits the acquired working temperature information of the internal environment of the infrared detector system to the analog signal conversion unit, the analog signal conversion unit generates an analog signal corresponding to the difference value between the working temperature and the set temperature of the internal environment of the infrared detector system and transmits the analog signal to the analog signal output unit, and the analog signal output unit outputs the analog signal to the temperature control module.
Further, the analog signal conversion unit generates an analog signal corresponding to a difference between the indoor temperature and the set temperature according to a preset temperature and analog signal correspondence table.
Further, the analog signal is DC 0-10V.
According to a second aspect of the present embodiment, there is provided an infrared detector provided with the temperature control system of the first aspect of the embodiment.
The embodiment of the utility model provides a technical scheme brings following beneficial effect at least:
the embodiment of the utility model provides a detect infrared detector's operating temperature through temperature detection module and utilize accuse temperature module to control the temperature according to operating temperature to infrared detector to make infrared detector keep at target temperature, even infrared detector keeps in best operating temperature within range, thereby make infrared detector detect the precision and improve greatly.
It is to be understood that both the foregoing general description and the following detailed description are exemplary and explanatory only and are not restrictive of the invention.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments consistent with the invention and, together with the description, serve to explain the principles of the invention and are not to constitute an undue limitation on the invention.
FIG. 1 is a schematic diagram of a temperature control system according to an alternative embodiment;
fig. 2 is a schematic diagram of a temperature control system according to an embodiment.
Detailed Description
In order to make the technical solutions of the present invention better understood by those of ordinary skill in the art, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings.
It should be noted that the terms "first," "second," and the like in the description and claims of the present invention and in the drawings described above are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used is interchangeable under appropriate circumstances such that the embodiments of the invention described herein are capable of operation in sequences other than those illustrated or otherwise described herein. The embodiments described in the following exemplary embodiments do not represent all embodiments consistent with the present invention. Rather, they are merely examples of apparatus and methods consistent with certain aspects of the invention, as detailed in the appended claims.
As shown in fig. 1, the embodiment of the present invention provides a temperature control system for adjusting the operating temperature of the internal environment of an infrared detector system, wherein the temperature control system comprises:
the temperature detection module is used for detecting the working temperature of the infrared detector;
and the temperature control module is electrically connected with the temperature detection module and is used for controlling the temperature of the infrared detector according to the working temperature so as to keep the infrared detector at the target temperature.
Optionally, the temperature control module includes:
the heater is used for heating the environment block inside the infrared detector system;
and the refrigerator is used for cooling the internal environment of the infrared detector system.
Optionally, the system further comprises:
and the moisture-proof shell is used for wrapping the temperature detection module, the heater and the refrigerator.
Optionally, the apparatus further comprises:
and the memory is used for storing the temperature data acquired by the temperature detection module.
Optionally, the temperature detection module includes: the temperature acquisition unit, the analog signal conversion unit and the analog signal output unit are sequentially connected;
the temperature acquisition unit transmits the acquired working temperature information of the internal environment of the infrared detector system to the analog signal conversion unit, the analog signal conversion unit generates an analog signal corresponding to the difference value between the working temperature and the set temperature of the internal environment of the infrared detector system and transmits the analog signal to the analog signal output unit, and the analog signal output unit outputs the analog signal to the temperature control module.
Optionally, the analog signal conversion unit generates an analog signal corresponding to a difference between the indoor temperature and the set temperature according to a preset temperature and analog signal correspondence table.
Optionally, the analog signal is DC 0-10V.
As shown in fig. 2, in an embodiment of the present invention, a temperature control system is provided, which is applied to the working temperature adjustment of the internal environment of the infrared detector system, and the temperature control system includes: the temperature detection module is used for detecting the working temperature of the infrared detector; and the temperature control module is electrically connected with the temperature detection module and is used for controlling the temperature of the infrared detector according to the working temperature so as to keep the infrared detector at the target temperature. The temperature control module comprises: the heater is used for heating the environment block inside the infrared detector system; and the refrigerator is used for cooling the internal environment of the infrared detector system. The system further comprises: and the moisture-proof shell is used for wrapping the temperature detection module, the heater and the refrigerator. The device still includes: and the memory is used for storing the temperature data acquired by the temperature detection module. The temperature detection module includes: the temperature acquisition unit, the analog signal conversion unit and the analog signal output unit are sequentially connected; the temperature acquisition unit transmits the acquired working temperature information of the internal environment of the infrared detector system to the analog signal conversion unit, the analog signal conversion unit generates an analog signal corresponding to the difference value between the working temperature and the set temperature of the internal environment of the infrared detector system and transmits the analog signal to the analog signal output unit, and the analog signal output unit outputs the analog signal to the temperature control module. The analog signal conversion unit generates an analog signal corresponding to the difference between the indoor temperature and the set temperature according to a preset temperature and analog signal corresponding relation table. The analog signal is DC 0-10V.
In a second aspect of the present embodiment, there is provided an infrared detector provided with the temperature control system of the first aspect of the embodiment.
In order to ensure that the ambient temperature in the infrared detector box body is between 20 ℃ and 40 ℃, a temperature control system is arranged in the box body. The high-temperature and low-temperature control switches are respectively controlled, the types of the high-temperature and low-temperature control switches are a KSD970015 ℃ normally closed switch and a KSD 970030 ℃ normally open switch, and the rated current is DC 12V/12A. When the temperature in the infrared detector box is lower than 15 ℃, the heater in the box works. The heater adopts a PTC constant temperature heating sheet, the power supply voltage of the PTC constant temperature heating sheet is 12V, and the maximum dissipation power is 20W. When the temperature in the box is between 15 ℃ and 30 ℃, the refrigerator and the heater do not work. When the temperature is higher than 30 ℃, the refrigerator starts to work, the TEC1 series semiconductor refrigeration sheets are selected as the refrigerator, the rated voltage of the refrigerator is DC12V, and the refrigeration power can reach 60W.
Specifically, the infrared detector may include:
the sensor module is used for converting the radiation of the ballastless track plate into a weak voltage signal;
and the amplifier module is electrically connected with the sensor unit and used for amplifying the weak voltage signal to form a target voltage signal.
Optionally, the amplifier unit comprises:
the first amplifier unit is electrically connected with the sensor module and is used for amplifying the weak voltage signal into a target weak voltage signal;
and the second amplifier unit is electrically connected with the first amplifier unit and is used for amplifying the target weak voltage signal into a target voltage signal.
Optionally, the infrared detector further comprises: optical lens
The optical lens is arranged between the acquisition port of the sensor module and the ballastless track plate and used for focusing radiation of the ballastless track plate.
Optionally, the infrared detector further comprises:
and the temperature control module is used for adjusting the operating environment temperature of the sensor module and the amplifier module.
Optionally, the temperature control module comprises: the temperature detection unit and the temperature control unit;
a temperature detection unit for detecting operating temperatures of the sensor module and the amplifier module;
the temperature control unit is electrically connected with the temperature detection unit and used for controlling the temperature of the internal environment of the infrared detector according to the working temperature so as to keep the infrared detector at the target temperature.
Optionally, the infrared detector further comprises: a thermal loss prevention probe;
the thermal loss prevention probe includes:
the first shell is of a hollow conical shape, and a contact window is arranged on the conical end face of the first shell;
the second shell is arranged in the first shell, a concave chamber is formed in one end, close to the contact window, of the second shell, a channel is formed between the concave chamber and the contact window, and the channel is gradually expanded from the concave chamber to the contact window;
and the infrared detection unit is accommodated in the concave chamber.
Optionally, the thermal loss prevention probe further includes two O-rings, one of the two O-rings is disposed between the front end of the second housing and the contact window, and the other is disposed at a connection position of the infrared detection unit and the concave chamber.
Optionally, the infrared detector further comprises: a V/I conversion module;
the V/I conversion module is used for converting the voltage signal output by the sensor module into a current signal.
Optionally, the V/I conversion module includes:
the V/I conversion module includes: first, second and third V/I conversion units
The first V/I conversion unit, the second V/I conversion unit and the third V/I conversion unit are connected between the first power supply terminal and the second power supply terminal in parallel;
a current correction module is arranged among the first V/I conversion unit, the second V/I conversion unit and the second power supply terminal;
the first V/I conversion unit, the second V/I conversion unit and the third V/I conversion unit are used for converting the voltage between the first power supply terminal and the second power supply terminal into current;
the current correction module is used for controlling the output currents of the first V/I conversion unit and the second V/I conversion unit so as to correct the current of the current output end of the third V/I conversion unit.
It will be apparent to those skilled in the art that various changes and modifications may be made without departing from the spirit and scope of the invention. Thus, if such modifications and variations of the present invention fall within the scope of the claims and their equivalents, the present invention is also intended to include such modifications and variations.
Claims (5)
1. A temperature control system, its characterized in that is applied to the operating temperature regulation of infrared detector system internal environment, temperature control system includes:
the temperature detection module is used for detecting the working temperature of the infrared detector; the temperature detection module includes: the temperature acquisition unit, the analog signal conversion unit and the analog signal output unit are sequentially connected; the temperature acquisition unit transmits the acquired working temperature information of the internal environment of the infrared detector system to the analog signal conversion unit, the analog signal conversion unit generates an analog signal corresponding to the difference value between the working temperature and the set temperature of the internal environment of the infrared detector system and transmits the analog signal to the analog signal output unit, and the analog signal output unit outputs the analog signal to the temperature control module; the analog signal conversion unit generates an analog signal corresponding to the difference value between the indoor temperature and the set temperature according to a preset temperature and analog signal corresponding relation table; the analog signal is DC 0-10V;
and the temperature control module is electrically connected with the temperature detection module and is used for controlling the temperature of the infrared detector according to the working temperature so that the infrared detector is kept at the target temperature.
2. The temperature control system of claim 1, wherein the temperature control module comprises:
the heater is used for heating the environment block inside the infrared detector system;
and the refrigerator is used for cooling the internal environment of the infrared detector system.
3. The temperature control system of claim 2, further comprising:
and the moisture-proof shell is used for wrapping the temperature detection module, the heater and the refrigerator.
4. The temperature control system of claim 1, further comprising:
and the memory is used for storing the temperature data acquired by the temperature detection module.
5. An infrared detector characterized in that a temperature control system according to any one of claims 1 to 4 is provided.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023331038.7U CN214311474U (en) | 2020-12-31 | 2020-12-31 | Temperature control system and infrared detector |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023331038.7U CN214311474U (en) | 2020-12-31 | 2020-12-31 | Temperature control system and infrared detector |
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| Publication Number | Publication Date |
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| CN214311474U true CN214311474U (en) | 2021-09-28 |
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| CN202023331038.7U Active CN214311474U (en) | 2020-12-31 | 2020-12-31 | Temperature control system and infrared detector |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114719970A (en) * | 2022-03-22 | 2022-07-08 | 中国科学院合肥物质科学研究院 | High-precision spectrum radiance reference radiation instrument suitable for high-altitude low-temperature environment |
-
2020
- 2020-12-31 CN CN202023331038.7U patent/CN214311474U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114719970A (en) * | 2022-03-22 | 2022-07-08 | 中国科学院合肥物质科学研究院 | High-precision spectrum radiance reference radiation instrument suitable for high-altitude low-temperature environment |
| CN114719970B (en) * | 2022-03-22 | 2024-03-22 | 中国科学院合肥物质科学研究院 | High-precision spectrum radiance reference radiometer suitable for high-altitude low-temperature environment |
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