CN205691237U - A kind of infrared temperature measurement apparatus signal acquisition and amplifying circuit - Google Patents
A kind of infrared temperature measurement apparatus signal acquisition and amplifying circuit Download PDFInfo
- Publication number
- CN205691237U CN205691237U CN201620606008.7U CN201620606008U CN205691237U CN 205691237 U CN205691237 U CN 205691237U CN 201620606008 U CN201620606008 U CN 201620606008U CN 205691237 U CN205691237 U CN 205691237U
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- pin
- resistance
- infrared temperature
- sensor
- measurement apparatus
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Abstract
The utility model discloses a kind of infrared temperature measurement apparatus signal acquisition and amplifying circuit, including: access power supply, infrared temperature sensor, amplifier, resistance R1, resistance R2, resistance R3, described infrared temperature sensor includes: probe power pin, sensor ground pin, sensor the first output pin, sensor the second output pin, and described amplifier includes: the first pin RG, pin IN, pin+IN, pin VS, the second pin RG, pin+VS, pin OUTPUT, pin REF.A kind of infrared temperature measurement apparatus signal acquisition that this utility model provides and amplifying circuit, have low-power consumption, wide temperature range, in high precision, the advantage such as high-resolution, emissivity scalable.
Description
Technical field
The present invention relates to a kind of infrared temperature measurement apparatus signal acquisition and amplifying circuit, belong to technical field of photoelectric instruments.
Background technology
At present, infrared temperature measurement apparatus is widely used in daily life with commercial production and develops.Infrared survey
Temperature device working stability be accurately heavily dependent in infrared temperature measurement apparatus the acquisition for temperature signal, believe with temperature
Number process.Being different from, existing physics thermometric and the circuit of section electronics, the design has higher sensitivity and response speed
Degree.
Summary of the invention
Purpose: in order to overcome the deficiencies in the prior art, the present invention provides a kind of infrared temperature measurement apparatus signal acquisition
With amplifying circuit.
Technical scheme: for solving above-mentioned technical problem, the technical solution used in the present invention is:
A kind of infrared temperature measurement apparatus signal acquisition and amplifying circuit, including: access power supply, infrared temperature sensor, amplification
Device, resistance R1, resistance R2, resistance R3, described infrared temperature sensor includes: probe power pin, sensor ground pin,
Sensor the first output pin, sensor the second output pin, described amplifier includes: the first pin RG, pin-IN, pin+
IN, pin-VS, the second pin RG, pin+VS, pin OUTPUT, pin REF, described access power supply respectively by resistance R1,
Resistance R2 is connected with probe power pin, sensor ground pin, described sensor the first output pin, sensor second
Output pin is connected with pin-IN, pin+IN respectively, and described sensor ground pin is also connected with earth terminal；Described
One pin RG is connected by resistance R3 and the second pin RG, and described pin+VS is connected with accessing power supply, described pin REF
All being connected with earth terminal with pin-VS, described pin OUTPUT is connected with signal input part at monolithic.
Also include: resistance R4, electric capacity C1, described resistance R4 be connected in parallel on after connecting with electric capacity C1 access power supply and earth terminal it
Between, for protection circuit.
Described resistance R3 is set to adjustable resistance.
Preferably, described infrared temperature sensor model uses OTP-538u.
Preferably, described Amplifier Model uses AD620.
Preferably, described resistance R1 is set to 1K, resistance R2 is set to 10K, resistance R3 is set to 1K, resistance R4
Be set to 1K, electric capacity C1 is set to 47uF.
Beneficial effect: a kind of infrared temperature measurement apparatus signal acquisition of present invention offer and amplifying circuit, has low-power consumption, width
Temperature range, in high precision, the advantage such as high-resolution, emissivity scalable.
Accompanying drawing explanation
Fig. 1 is the structural representation of the present invention.
Detailed description of the invention
Below in conjunction with the accompanying drawings the present invention is further described.
As it is shown in figure 1, a kind of infrared temperature measurement apparatus signal acquisition and amplifying circuit, including: access power supply VCC, infrared temperature
Degree sensor OTP-538u, amplifier AD620, resistance R1, resistance R2, resistance R3, described infrared temperature sensor includes: sensing
Device power pins 9, sensor ground pin 10, sensor the first output pin 11, sensor the second output pin 12, described in put
Big device includes: the first pin RG1, pin-IN2, pin+IN3, pin-VS4, the second pin RG8, pin+VS7, pin
OUTPUT6, pin REF5, described access power supply is connect with probe power pin 9, sensor by resistance R1, resistance R2 respectively
Ground pin 10 be connected, described sensor the first output pin 11, sensor the second output pin 12 respectively with pin-IN2, draw
Foot+IN3 is connected, and described sensor ground pin 10 is also connected with earth terminal GND；Described first pin RG1 passes through resistance
R3 and the second pin RG8 is connected, and described pin+VS7 is connected with accessing power supply, described pin REF5 and pin-VS4 all with
Earth terminal is connected, and described pin OUTPUT6 is connected with signal input part at monolithic.
Also include: resistance R4, electric capacity C1, described resistance R4 be connected in parallel on after connecting with electric capacity C1 access power supply and earth terminal it
Between, for protection circuit.
Described resistance R3 is set to adjustable resistance.
Preferably, described resistance R1 is set to 1K, resistance R2 is set to 10K, resistance R3 is set to 1K, resistance R4
Be set to 1K, electric capacity C1 is set to 47uF.
The above is only the preferred embodiment of the present invention, it should be pointed out that: for the ordinary skill people of the art
For Yuan, under the premise without departing from the principles of the invention, it is also possible to make some improvements and modifications, these improvements and modifications also should
It is considered as protection scope of the present invention.
Claims (6)
1. infrared temperature measurement apparatus signal acquisition and an amplifying circuit, including: access power supply, infrared temperature sensor, amplifier,
It is characterized in that: also include: resistance R1, resistance R2, resistance R3, described infrared temperature sensor includes: probe power pin,
Sensor ground pin, sensor the first output pin, sensor the second output pin, described amplifier includes: the first pin
RG, pin-IN, pin+IN, pin-VS, the second pin RG, pin+VS, pin OUTPUT, pin REF, described access power supply
Being connected with probe power pin, sensor ground pin by resistance R1, resistance R2 respectively, described sensor first exports
Pin, sensor the second output pin are connected with pin-IN, pin+IN respectively, described sensor ground pin also with ground connection
End is connected；Described first pin RG is connected by resistance R3 and the second pin RG, and described pin+VS is connected with accessing power supply
Connecing, described pin REF is all connected with earth terminal with pin-VS, and described pin OUTPUT is connected with signal input part at monolithic
Connect.
A kind of infrared temperature measurement apparatus signal acquisition the most according to claim 1 and amplifying circuit, it is characterised in that: also wrap
Including: resistance R4, electric capacity C1, described resistance R4 is connected in parallel on after connecting with electric capacity C1 between access power supply and earth terminal, is used for protecting
Circuit.
A kind of infrared temperature measurement apparatus signal acquisition the most according to claim 1 and amplifying circuit, it is characterised in that: described electricity
Resistance R3 is set to adjustable resistance.
A kind of infrared temperature measurement apparatus signal acquisition the most according to claim 1 and amplifying circuit, it is characterised in that: described red
Outer temperature sensor model uses OTP-538u.
A kind of infrared temperature measurement apparatus signal acquisition the most according to claim 1 and amplifying circuit, it is characterised in that put described in:
Big type number uses AD620.
A kind of infrared temperature measurement apparatus signal acquisition the most according to claim 1 and amplifying circuit, it is characterised in that: described electricity
R1 is set to 1K, resistance R2 is set to 10K, resistance R3 is set to 1K, resistance R4 is set to 1K, electric capacity C1 is set to 47uF in resistance.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620606008.7U CN205691237U (en) | 2016-06-20 | 2016-06-20 | A kind of infrared temperature measurement apparatus signal acquisition and amplifying circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620606008.7U CN205691237U (en) | 2016-06-20 | 2016-06-20 | A kind of infrared temperature measurement apparatus signal acquisition and amplifying circuit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205691237U true CN205691237U (en) | 2016-11-16 |
Family
ID=57416321
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620606008.7U Expired - Fee Related CN205691237U (en) | 2016-06-20 | 2016-06-20 | A kind of infrared temperature measurement apparatus signal acquisition and amplifying circuit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205691237U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105973477A (en) * | 2016-06-20 | 2016-09-28 | 苏州华徕光电仪器有限公司 | Signal acquiring and amplifying circuit of infrared temperature measuring device |
-
2016
- 2016-06-20 CN CN201620606008.7U patent/CN205691237U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105973477A (en) * | 2016-06-20 | 2016-09-28 | 苏州华徕光电仪器有限公司 | Signal acquiring and amplifying circuit of infrared temperature measuring device |
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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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20161116 Termination date: 20170620 |