CN207600599U - Ultraviolet digital probe - Google Patents
Ultraviolet digital probe Download PDFInfo
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- CN207600599U CN207600599U CN201720801808.9U CN201720801808U CN207600599U CN 207600599 U CN207600599 U CN 207600599U CN 201720801808 U CN201720801808 U CN 201720801808U CN 207600599 U CN207600599 U CN 207600599U
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- signal
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- ultraviolet
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- operational amplifier
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Abstract
The utility model belongs to measuring device technical field, discloses a kind of ultraviolet digital probe, for being connect with control device, including：Power supply module；Optical detection module；Temperature sensing module；And digital temperature signal and radiant illumination digital signal are given to the signal processing module of the control device by communications interface transmission.Can real-time online measuring uv irradiance and temperature, so as to judge whether ultraviolet lamp decays, whether temperature meets solidifying requirements；Monitoring device can directly read the measurement data of this instrument, and adjust hardening time according to measurement data.
Description
Technical field
The utility model belongs to measuring device technical field more particularly to a kind of ultraviolet digital probe.
Background technology
Ultra-violet curing is a kind of with ultraviolet source irradiation chemicals, and " polymerized monomer " included in the chemicals is allowed to generate
" the radiation hardening technology " of gluing hardening.In the curing process, the parameters such as the radiant illumination of ultraviolet source, temperature directly affect solid
Change quality, therefore most important to luminous intensity in solidification process and temperature detection.
Ultraviolet digital probe can be used for for Light Curing real time monitoring ultraviolet radiation brightness value and temperature value
The ultraviolet radiation luminance detection of other occasions, such as the detection of photolithographic exposure, ultraviolet ageing experimental box.
At present, for ultraviolet probe mostly using analog signal output, antijamming capability is weak, and when use also needs to an analog quantity development of evil in febrile disease
Into digital quantity and calculate performance number, there are adjustment it is difficult the problems such as.The utility model uses Design of digital, and instrument is directly defeated
Go out performance number, user is without adjustment again.
Utility model content
The purpose of this utility model is to provide a kind of ultraviolet digital probes, it is intended to solve traditional ultraviolet probe and use more
Analog signal output, antijamming capability is weak, and when use also needs to an analog quantity development of evil in febrile disease into digital quantity and calculates performance number, exists
The problem of adjustment is difficult.
The utility model embodiment is achieved in that a kind of ultraviolet digital probe, for being connect with control device, packet
It includes：
For providing the power supply module of electric energy；
Detection ultraviolet light and the optical detection module for being converted into electric signal；
Detection temperature and the temperature sensing module for being converted into digital temperature signal；And
It is connect with the optical detection module and temperature sensing module, the electric signal is converted into radiant illumination number letter
Number, and give the digital temperature signal and the radiant illumination digital signal to the control device by communications interface transmission
Signal processing module.
Preferably, the optical detection module includes being arranged in order bandpass filter, diffuse-transmission device and the photoelectricity spy of setting
Survey device.
Preferably, the signal processing module includes：
It is connected with the optical detection module, the electric signal for being exported to the detecting module is amplified the signal of processing
Amplifying circuit；
It is connected with the signal amplification circuit, the electric signal for the signal amplification circuit to be exported is converted to digital letter
Number A/D conversion circuits；And
It is connected with the A/D conversion circuits, the monolithic that the digital signal for being exported to A/D conversion circuits is handled
Machine.
Preferably, the signal amplification circuit includes first resistor, second resistance, 3rd resistor, the 4th resistance, the first electricity
Appearance, the second capacitance, the first operational amplifier and second operational amplifier；
The in-phase input end of first operational amplifier is connected with one end of detecting module, first operational amplifier
Inverting input be connected with the other end of detecting module, the output terminal of first operational amplifier passes through the first resistor
It is connected with the positive input terminal in the A/D conversion circuits, first capacitance connection is between first resistor and ground, and described second
Resistance and the 3rd resistor are connected between power supply and ground, and the public connecting end of the second resistance and the 3rd resistor connects
Connect first operational amplifier and the in-phase input end of the second operational amplifier, the anti-phase input of the first operational amplifier
End is connected by the 4th resistance with its output terminal, second capacitance and the 4th resistor coupled in parallel, second operation
The inverting input of amplifier is connect with its output terminal, the output terminal of the second operational amplifier and the A/D conversion circuits
Negative input end be connected.
Preferably, the A/D conversion circuits include third capacitance, the 4th capacitance and A/D converter；
The third capacitance and the 4th capacitance are connected in parallel between power supply and ground, the power input of the A/D converter
Pin connects the power supply, and the Clock Signal pin and data pin of the A/D converter are connected with the microcontroller, the A/D
The in-phase input end and inverting input of converter are respectively as the positive input terminal and negative input end of the A/D conversion circuits.
Preferably, the temperature sensing module is digital temperature sensor.
Preferably, the power supply module includes：
It is connected with the communication interface, for carrying out the voltage regulator of voltage adjusting to input voltage；And
It is connected with the voltage regulator, the voltage for being exported to the voltage regulator carries out the voltage stabilizing of voltage stabilizing processing
Circuit.
Preferably, the RS485 communication interfaces are connect by a communication module with the microcontroller.
Preferably, the baud rate selecting switch being connect with the microcontroller is further included.
Preferably, the probe address configuration switch being connect with the microcontroller is further included.
In short, the beneficial effects of the utility model are：Can real-time online measuring uv irradiance and temperature, so as to sentence
Whether disconnected ultraviolet lamp decays, whether temperature meets solidifying requirements；Monitoring device can directly read the measurement data of this instrument, and
Hardening time is adjusted according to measurement data.If ultraviolet radiator dies down, then hardening time increase if ultraviolet radiator becomes strong, then cures
Time reduces, and the ultraviolet light gross energy for being finally reached solidification glue reception meets necessary requirement.
Description of the drawings
Fig. 1 is the circuit module schematic diagram of the ultraviolet digital probe of the utility model.
Fig. 2 is the exemplary circuit schematic diagram of power supply module in ultraviolet digital probe circuit shown in Fig. 1.
Fig. 3 is the exemplary circuit schematic diagram of temperature detecting module in ultraviolet digital probe circuit shown in Fig. 1.
Fig. 4 is optical detection module, the exemplary circuit principle of signal processing module in ultraviolet digital probe circuit shown in Fig. 1
Figure.
Fig. 5 is the exemplary circuit schematic diagram of the interface of the microcontroller of the ultraviolet digital probe of the utility model.
Fig. 6 is the exemplary circuit schematic diagram of the communication module of the ultraviolet digital probe of the utility model.
Fig. 7 is the exemplary circuit schematic diagram of the baud rate selecting switch of the ultraviolet digital probe of the utility model.
Fig. 8 is the exemplary circuit schematic diagram of the probe address configuration switch of the ultraviolet digital probe of the utility model.
Specific embodiment
In order to make the purpose of the utility model, technical solutions and advantages more clearly understood, below in conjunction with attached drawing and implementation
Example, the present invention is further described in detail.It should be appreciated that specific embodiment described herein is only used to explain
The utility model is not used to limit the utility model.
Referring to Fig. 1, in the preferred embodiment of the utility model ultraviolet digital probe 10 can be used for control device 20 and with
It is connected, such as：Curing apparatus, photolithographic exposure, ultraviolet ageing experimental box etc..More specifically, for PLC device, man-machine interface, electricity
Brain.
Ultraviolet digital probe 10 includes the power supply module 110 for providing electric energy；Detection ultraviolet light is simultaneously converted into electric signal
Optical detection module 120；Detection temperature and the temperature sensing module 130 for being converted into digital temperature signal；And signal processing module
140.Signal processing module 140 is connect with the optical detection module 120 and temperature sensing module 130, and the electric signal is converted
Pass through communication interface 150 into radiant illumination digital signal, and by the digital temperature signal and the radiant illumination digital signal
It is transferred to the control device 20.
It please refers to Fig.1 and Fig. 2, power supply module 110 includes：Voltage regulator U5 and regulator circuit, voltage regulator U5 with
Communication interface 150 is connected, for carrying out voltage adjusting to input voltage；Regulator circuit is connected with the voltage regulator U5, uses
Voltage stabilizing processing is carried out in the voltage exported to the voltage regulator U5, regulator circuit is mainly voltage stabilizing chip U2.Voltage is adjusted
The input voltage of 5V-24V is converted into 4.0V by device U5 and its peripheral circuit, and regulator circuit stablizes the output of voltage regulator U5
In the voltage of 3.3V, used for 140 grade of signal processing module.
Optical detection module 120 includes bandpass filter (not shown), diffuse-transmission device ((not shown) and the photoelectricity being arranged in order
Detector (not shown), the ultraviolet light that cure lamp is sent out are irradiated to photodetector, light through bandpass filter and diffuse-transmission device
Optical signal is converted into electric signal transmission to signal processing module 140 by electric explorer.Wherein bandpass filter only penetrates 310nm-
The ultraviolet light of 390nm, the light of other wave bands is by effectively influence of the solution veiling glare to measurement.Diffuse-transmission device is by diffusive transmissive material
Composition realizes that the light of different receiving angles meets cosine law requirement.
It please refers to Fig.1 with 3, temperature sensing module 130 includes digital temperature sensor U7, and digital temperature sensor U7's connects
Receipts face and photodetector receiving plane are in same plane, make reception on the ultraviolet light direct irradiation receiving plane that cure lamp is sent out
Temperature rapid increase in face, realizes the actual temperature in really dynamic measurement curing.
It please refers to Fig.1, Fig. 4 and Fig. 5, signal processing module 140 include signal amplification circuit 141, A/D conversion circuits 142
With microcontroller 143.
Signal amplification circuit 141 is connected with optical detection module 120, for the electric signal that optical detection module 120 exports into
Row amplification；A/D conversion circuits 122 are connected with signal amplification circuit 141, for the electric signal for exporting signal amplification circuit 141
Digital signal is converted to, microcontroller 143 is connected with A/D conversion circuits 142, the digital signal exported according to A/D conversion circuits 142
Obtain radiant illumination digital signal.It should be noted that temperature sensing module 130 is directly to be connected with microcontroller 143, number
Digital temperature signal is directly input to microcontroller 143 by temperature sensor U7.
Wherein, signal amplification circuit 141 include resistance R7, resistance R8, resistance R14, resistance R15, capacitance C8, capacitance C9,
Operational amplifier U4A and operational amplifier U4B.The in-phase input end of operational amplifier U4A and one end of optical detection module 120
(anode) is connected, and operational amplifier U4A inverting inputs are connected by resistance R7 with its output terminal, and resistance R7 and capacitance C8 is simultaneously
Connection, and operational amplifier U4A inverting inputs are connected with the other end (cathode) of optical detection module 120, operational amplifier U4A's
Output terminal is connected by resistance R8 with the positive input terminal of A/D conversion circuits 142, and capacitance C9 is connected between resistance R8 and ground, electricity
Resistance R14 and resistance R15 is connected between power supply VCC and ground, and resistance R14 connects operation amplifier with the public connecting end of resistance R15
The in-phase input end of device U4A and U4B, to provide reference voltage；The output terminal of operational amplifier U4B and its inverting input and
The negative input end of A/D conversion circuits 142 is connected.
A/D conversion circuits 142 include the second capacitance C10, third capacitance C11 and A/D converter U3.Second capacitance C13 and
Third capacitance C14 is connected in parallel between power supply VCC and ground, and the power input pin of A/D converter U3 connects power vd D, A/D conversion
The Clock Signal pin SCL and data pin SDA of device U3 is connected with microcontroller 143.In the present embodiment, microcontroller 143 is
STM8L152C6。
In the present embodiment, communication interface 150 is RS485 interfaces.It please refers to Fig.1, Fig. 5 and Fig. 6, RS485 interface are by one
Communication module 160 is connect with microcontroller 143.Communication module 160 is made of RS485 chips U6 and peripheral circuit, microcontroller
The Transistor-Transistor Logic level communication signal of 143 outputs is converted into RS485 communication signals, realizes remote transmission.Wherein, 1 computer can be same
When connect multiple probes 10, each probe 10 has the independent communication address of oneself, does not interfere with each other.The connecting line of communication interface 150
Higher temperature line is shielded using 4 cores, temperature in use is up to 200 degrees Celsius.Wherein 2 cores are RS485 connections, with PLC, man-machine interface etc.
Connection.Other 2 core is power cord, can connect the DC power supply of 5V-24V.
In the present embodiment, Fig. 5, Fig. 7 and Fig. 8 are please referred to, ultraviolet digital probe 10 further includes the wave being connect with microcontroller 143
Special rate selecting switch 170；And the probe address configuration switch 180 being connect with microcontroller 143,16 different ground can be set
Location.
The beneficial effects of the utility model：
(1) uv irradiance and temperature of real-time online measuring curing or exposure machine, so as to whether judge ultraviolet lamp
Whether attenuation, temperature meet solidifying requirements, and timely curing quality simultaneously adjusts curing process in time for quality problems
(2) the MODBUS communications protocol of the RS485 communication interfaces of standard and standard, curing can directly read this instrument
Measurement data, and according to measurement data adjust hardening time.If ultraviolet radiator dies down, then hardening time increase, such as ultraviolet light
Lamp becomes strong, then hardening time reduction, and the ultraviolet light gross energy for being finally reached solidification glue reception meets necessary requirement.
The above is only the preferred embodiment of the utility model only, is not intended to limit the utility model, all at this
All any modification, equivalent and improvement made within the spirit and principle of utility model etc., should be included in the utility model
Protection domain within.
Claims (10)
1. a kind of ultraviolet digital probe, for being connect with control device, which is characterized in that including：
For providing the power supply module of electric energy；
Detection ultraviolet light and the optical detection module for being converted into electric signal；
Detection temperature and the temperature sensing module for being converted into digital temperature signal；And
It is connect with the optical detection module, the temperature sensing module, the electric signal is converted into radiant illumination digital signal,
And the digital temperature signal and the radiant illumination digital signal are given to the letter of the control device by communications interface transmission
Number processing module.
2. ultraviolet digital probe as described in claim 1, which is characterized in that the optical detection module includes being arranged in order setting
Bandpass filter, diffuse-transmission device and photodetector.
3. ultraviolet digital probe as described in claim 1, which is characterized in that the signal processing module includes：
It is connected with the optical detection module, the signal that the electric signal for being exported to the optical detection module is amplified processing is put
Big circuit；
It is connected with the signal amplification circuit, the electric signal for the signal amplification circuit to be exported is converted to digital signal
A/D conversion circuits；And
It is connected with the A/D conversion circuits, the digital signal exported according to the A/D conversion circuits obtains radiant illumination number letter
Number microcontroller.
4. ultraviolet digital probe as claimed in claim 3, which is characterized in that the signal amplification circuit include first resistor,
Second resistance, 3rd resistor, the 4th resistance, the first capacitance, the second capacitance, the first operational amplifier and second operational amplifier；
The in-phase input end of first operational amplifier is connected with one end of detecting module, first operational amplifier it is anti-
Phase input terminal is connected with the other end of detecting module, and the output terminal of first operational amplifier passes through the first resistor and institute
The positive input terminal stated in A/D conversion circuits is connected, and first capacitance connection is between first resistor and ground, the second resistance
And the 3rd resistor is connected between power supply and ground, the second resistance connects institute with the public connecting end of the 3rd resistor
The first operational amplifier and the in-phase input end of the second operational amplifier are stated, the inverting input of the first operational amplifier leads to
It crosses the 4th resistance with its output terminal to be connected, second capacitance and the 4th resistor coupled in parallel, second operation amplifier
The inverting input of device is connect with its output terminal, and the output terminal of the second operational amplifier is negative with the A/D conversion circuits
Input terminal is connected.
5. ultraviolet digital probe as claimed in claim 3, which is characterized in that the A/D conversion circuits include third capacitance, the
Four capacitances and A/D converter；
The third capacitance and the 4th capacitance are connected in parallel between power supply and ground, the power input pin of the A/D converter
The power supply is connect, the Clock Signal pin and data pin of the A/D converter are connected with the microcontroller, the A/D conversions
The in-phase input end and inverting input of device are respectively as the positive input terminal and negative input end of the A/D conversion circuits.
6. ultraviolet digital probe as described in claim 1, which is characterized in that the temperature sensing module is sensed for digital temperature
Device.
7. ultraviolet digital probe as described in claim 1, which is characterized in that the power supply module includes：
It is connected with the communication interface, for carrying out the voltage regulator of voltage adjusting to input voltage；And
It is connected with the voltage regulator, the voltage for being exported to the voltage regulator carries out the voltage stabilizing electricity of voltage stabilizing processing
Road.
8. ultraviolet digital probe as claimed in claim 3, which is characterized in that the communication interface is RS485 interfaces, described
RS485 interfaces are connect by a communication module with the microcontroller.
9. ultraviolet digital probe as claimed in claim 3, which is characterized in that further include the baud rate being connect with the microcontroller
Selecting switch.
10. ultraviolet digital probe as claimed in claim 3, which is characterized in that further include the probe being connect with the microcontroller
Address configuration switch.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720801808.9U CN207600599U (en) | 2017-07-04 | 2017-07-04 | Ultraviolet digital probe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720801808.9U CN207600599U (en) | 2017-07-04 | 2017-07-04 | Ultraviolet digital probe |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207600599U true CN207600599U (en) | 2018-07-10 |
Family
ID=62753182
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720801808.9U Active CN207600599U (en) | 2017-07-04 | 2017-07-04 | Ultraviolet digital probe |
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| Country | Link |
|---|---|
| CN (1) | CN207600599U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114006348A (en) * | 2021-12-06 | 2022-02-01 | 之江实验室 | Single-row carrier photoelectric detector bias voltage protection circuit |
-
2017
- 2017-07-04 CN CN201720801808.9U patent/CN207600599U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114006348A (en) * | 2021-12-06 | 2022-02-01 | 之江实验室 | Single-row carrier photoelectric detector bias voltage protection circuit |
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