CN212721780U - Array type infrared dense bus temperature detection device with distance compensation function - Google Patents
Array type infrared dense bus temperature detection device with distance compensation function Download PDFInfo
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- CN212721780U CN212721780U CN202021777218.5U CN202021777218U CN212721780U CN 212721780 U CN212721780 U CN 212721780U CN 202021777218 U CN202021777218 U CN 202021777218U CN 212721780 U CN212721780 U CN 212721780U
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Abstract
The utility model discloses an array infrared dense bus temperature detection device with distance compensation, which comprises a power module, a distance measurement sensing module, a temperature detection module, a single chip microcomputer and an external part thereof, a LED indicator lamp and a wireless transmission module; the utility model discloses the problem proposes an intensive generating line infrared matrix temperature measurement sensor based on test distance carries out temperature compensation automatically more than the needle. When measuring different intensive generating lines, can the automatic measurement go out the sensor to the distance of being surveyed the generating line copper bar, then by the inside treater of sensor according to the distance that records, compensate the temperature that infrared array probe measured through inside compensation algorithm, can reduce the temperature measurement error effectively, improve the accuracy to intensive generating line temperature monitoring, simplify the installation simultaneously.
Description
[ technical field ] A method for producing a semiconductor device
The utility model relates to an intensive generating line non-contact temperature measurement field specifically is a take array infrared intensive generating line temperature-detecting device of distance compensation.
[ background of the invention ]
The existing intensive bus temperature measurement sensor based on the infrared array mainly has two processing modes for temperature measurement errors generated by measuring distance:
1) no treatment is done. As the specifications of the dense buses are various, the shapes and the sizes of the dense buses with different specifications of different manufacturers are different. When the infrared array thermometric sensor in this way is used to measure different dense busbars, the measurement results may be far apart.
2) The fixed distance compensation is carried out according to the specific test distance, and when the test distance is changed, a program needs to be rewritten or a configuration parameter inside the program needs to be manually changed in a specific mode. The intensive bus temperature measurement sensor adopting the mode has a lot of inconvenience in practical application.
The utility model discloses the problem proposes an intensive generating line infrared matrix temperature measurement sensor based on test distance carries out temperature compensation automatically more than the needle. When measuring different intensive generating lines, can the automatic measurement go out the sensor to the distance of being surveyed the generating line copper bar, then by the inside treater of sensor according to the distance that records, compensate the temperature that infrared array probe measured through inside compensation algorithm, can reduce the temperature measurement error effectively, improve the accuracy to intensive generating line temperature monitoring, simplify the installation simultaneously.
[ Utility model ] content
The utility model discloses the problem proposes an intensive generating line infrared matrix temperature measurement sensor based on test distance carries out temperature compensation automatically more than the needle. When measuring different intensive generating lines, can the automatic measurement go out the sensor to the distance of being surveyed the generating line copper bar, then by the inside treater of sensor according to the distance that records, compensate the temperature that infrared array probe measured through inside compensation algorithm, can reduce the temperature measurement error effectively, improve the accuracy to intensive generating line temperature monitoring, simplify the installation simultaneously.
The utility model provides a following technical scheme:
an array infrared dense bus temperature detection device with distance compensation:
the system comprises a power supply module, a ranging sensing module, a temperature detection module, a single chip microcomputer and peripheral parts thereof, an LED indicator lamp and a wireless transmission module;
the device comprises a power module, a 110-220V AC power supply, an AC-DC module and an LDO power supply, wherein the 110-220V AC power supply, the AC-DC module and the LDO power supply are sequentially connected;
the distance measurement sensing module comprises an infrared distance measurement sensor, an infrared temperature sensor and a wireless MCU, wherein the infrared distance measurement sensor and the infrared temperature sensor are respectively connected with the wireless MCU;
the single chip microcomputer, the peripheral part of the single chip microcomputer and the LED indicator lamp are respectively connected with the wireless MCU;
the temperature detection module comprises a temperature sensor and a wireless MCU, and the temperature sensor is connected with the wireless MCU;
the wireless transmission module comprises a wireless MCU and a receiving device, and the wireless MCU is connected with the receiving device in a wireless mode;
the LDO power output is respectively connected with the infrared temperature sensor, the infrared distance measuring sensor, the ambient temperature sensor, the single chip microcomputer and the LED indicating lamp.
Furthermore, the infrared distance measuring sensor is a short-distance and high-precision sensor integrating a psd (position sensitive detector), an infrared emitting diode and a signal processing circuit.
Furthermore, the infrared temperature sensor is a 32 x 24 array infrared temperature sensor, and the distance from the infrared array temperature measuring head to the dense busbar copper bar is less than 5 mm.
Furthermore, the LED indicator lamp adopts 3 LED light-emitting diodes which respectively correspond to three states of indicating system power supply, data receiving and data sending.
Furthermore, the single chip microcomputer is a high-performance ultra-low power consumption MCU, and a complete RF system and a DC-DC converter are integrated.
[ description of the drawings ]
FIG. 1 is a flow chart showing the linking relationship between the functional modules of the present invention;
FIG. 2 is a circuit diagram of the power module of the present invention;
FIG. 3 is a circuit diagram of the LED indicating lamp of the present invention;
FIG. 4 is a circuit diagram of the single chip microcomputer according to the present invention;
fig. 5 is a current and temperature sampling wireless transmission circuit diagram of the utility model;
[ detailed description ] embodiments
In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the invention.
An array infrared dense bus temperature detection device with distance compensation:
the system comprises a power supply module, a ranging sensing module, a temperature detection module, a single chip microcomputer and peripheral parts thereof, an LED indicator lamp and a wireless transmission module;
the device comprises a power module, a 110-220V AC power supply, an AC-DC module and an LDO power supply, wherein the 110-220V AC power supply, the AC-DC module and the LDO power supply are sequentially connected;
the distance measurement sensing module comprises an infrared distance measurement sensor, an infrared temperature sensor and a wireless MCU, wherein the infrared distance measurement sensor and the infrared temperature sensor are respectively connected with the wireless MCU;
the single chip microcomputer, the peripheral part of the single chip microcomputer and the LED indicator lamp are respectively connected with the wireless MCU;
the temperature detection module comprises a temperature sensor and a wireless MCU, and the temperature sensor is connected with the wireless MCU;
the wireless transmission module comprises a wireless MCU and a receiving device, and the wireless MCU is connected with the receiving device in a wireless mode;
the LDO power output is respectively connected with the infrared temperature sensor, the infrared distance measuring sensor, the ambient temperature sensor, the single chip microcomputer and the LED indicating lamp.
Furthermore, the infrared distance measuring sensor is a short-distance and high-precision sensor integrating a psd (position sensitive detector), an infrared emitting diode and a signal processing circuit.
Furthermore, the infrared temperature sensor is a 32 x 24 array infrared temperature sensor, and the distance from the infrared array temperature measuring head to the dense busbar copper bar is less than 5 mm.
Furthermore, the LED indicator lamp adopts 3 LED light-emitting diodes which respectively correspond to three states of indicating system power supply, data receiving and data sending.
Furthermore, the single chip microcomputer is a high-performance ultra-low power consumption MCU, and a complete RF system and a DC-DC converter are integrated.
Principle of operation
The power supply module converts the input 220VAC alternating current into a direct current power supply required by other parts of the system through the AC-DC module and the corresponding LDO.
The distance measuring sensor adopts a high-precision laser or infrared distance measuring sensor and is used for obtaining the distance from an infrared array temperature measuring head of the temperature measuring sensor to the dense bus copper bar, and the precision requirement is less than 5 mm. The infrared array sensor part is used for acquiring the temperature raw data of the dense busbar copper bar.
The single chip microcomputer part mainly realizes acquisition and processing of distance measurement data and temperature measurement data, sends final data to configured wireless receiving equipment through the RF part, and controls the LEDs to display different working states.
The system of the embodiment mainly comprises the following stages:
1. initialization phase
After the system is powered on, the power indicator lamp (DS1) is turned on, and the operation indicator lamp (DS2) and the wireless indicator lamp (DS3) are turned off. After the wireless MCU completes system hardware initialization, internal configuration and verification data of the infrared array sensor (MLX90640) are read out and stored in an internal RAM through digital interfaces (SDA and SCL) so as to facilitate subsequent calculation processing. After these operations are successfully completed, the running indicator lamp (DS2) is lighted.
2. Data acquisition phase
The wireless MCU (CC1310) U4 firstly samples and calculates the analog voltage signal VO output by the ranging sensing module (GP2Y0A51SK0F) U5 to obtain distance data, and samples and calculates the output signal A _ VIN of the temperature sensor (NTC1) to obtain environment temperature data. And reading out original temperature measurement data through digital interfaces (SDA, SCL) compatible with an infrared array sensor (MLX90640), and extracting temperature data of the dense busbar copper bar after internal conversion, software filtering and a series of image processing. And finally, correcting the temperature data by combining the distance data obtained in the previous step with a compensation algorithm to form final temperature data.
3. Data transmission phase
And packaging the data obtained in the data acquisition stage into a specific data frame format, lighting a wireless indicator lamp (DS3) to indicate that the system is in a data transmission state, then starting wireless transmission, transmitting the data to a matched receiving device, and turning off the wireless indicator lamp (DS3) after the transmission is finished.
4. Waiting phase
After the data transmission is finished, the MCU enters a low power consumption mode, and automatically enters the next data acquisition-transmission period after waiting for a set time.
The above description is only for the preferred embodiment of the present invention, and is not intended to limit the present invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included within the protection scope of the present invention.
Claims (5)
1. The utility model provides a take array infrared intensive generating line temperature-detecting device of distance compensation which characterized in that:
the system comprises a power supply module, a ranging sensing module, a temperature detection module, a single chip microcomputer and peripheral parts thereof, an LED indicator lamp and a wireless transmission module;
the power supply module comprises a 110-220V AC power supply, an AC-DC module and an LDO power supply, and the 110-220V AC power supply, the AC-DC module and the LDO power supply are sequentially connected;
the distance measurement sensing module comprises an infrared distance measurement sensor, an infrared temperature sensor and a wireless MCU, and the infrared distance measurement sensor and the infrared temperature sensor are respectively connected with the wireless MCU;
the single chip microcomputer, the peripheral part of the single chip microcomputer and the LED indicator lamp are respectively connected with the wireless MCU;
the temperature detection module comprises a temperature sensor and a wireless MCU, and the temperature sensor is connected with the wireless MCU;
the wireless transmission module comprises a wireless MCU and a receiving device, and the wireless MCU is connected with the receiving device in a wireless mode;
and the LDO power output is respectively connected with an infrared temperature sensor, an infrared distance measuring sensor, an ambient temperature sensor, a single chip microcomputer and an LED indicator lamp.
2. The array type infrared dense bus temperature detection device with distance compensation according to claim 1, characterized in that: the infrared distance measuring sensor is a short-distance and high-precision sensor integrating a PSD, an infrared emitting diode and a signal processing circuit.
3. The array type infrared dense bus temperature detection device with distance compensation according to claim 1, characterized in that: the infrared temperature sensor is a 32 x 24 array infrared temperature sensor, and the distance from an infrared array temperature measuring head to the dense busbar copper bar is less than 5 mm.
4. The array type infrared dense bus temperature detection device with distance compensation according to claim 1, characterized in that: the LED indicator lamp adopts 3 LED light-emitting diodes and respectively corresponds to three states of indicating a system power supply, data receiving and data sending.
5. The array type infrared dense bus temperature detection device with distance compensation according to claim 1, characterized in that: the single chip microcomputer is a high-performance ultra-low power consumption MCU and integrates a complete RF system and a DC-DC converter.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021777218.5U CN212721780U (en) | 2020-08-21 | 2020-08-21 | Array type infrared dense bus temperature detection device with distance compensation function |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202021777218.5U CN212721780U (en) | 2020-08-21 | 2020-08-21 | Array type infrared dense bus temperature detection device with distance compensation function |
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| CN212721780U true CN212721780U (en) | 2021-03-16 |
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| CN202021777218.5U Active CN212721780U (en) | 2020-08-21 | 2020-08-21 | Array type infrared dense bus temperature detection device with distance compensation function |
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