CN214951796U

CN214951796U - Wireless Ultraviolet (UV) light source measuring device

Info

Publication number: CN214951796U
Application number: CN202120950380.0U
Authority: CN
Inventors: 张崇
Original assignee: Keynu Suzhou Precision Optoelectronics Co ltd
Current assignee: Keynu Suzhou Precision Optoelectronics Co ltd
Priority date: 2021-05-06
Filing date: 2021-05-06
Publication date: 2021-11-30
Anticipated expiration: 2031-05-06

Abstract

The utility model discloses a wireless ultraviolet UV light source measuring device relates to ultraviolet test and radio frequency identification technical field, this wireless ultraviolet UV light source measuring device, include: the ultraviolet light processing unit is used for collecting ultraviolet light in the UV furnace, providing a trigger signal, converting the illumination intensity into a corresponding pulse signal and outputting the pulse signal to the processing unit; a power supply unit: the voltage is used for providing voltage for the processing unit to work; a processing unit: the system comprises a lighting unit, a communication unit, a control unit and a control unit, wherein the lighting unit is used for receiving a pulse signal input by the lighting unit, judging the illumination intensity according to the input pulse signal intensity, storing the illumination intensity and outputting a numerical value corresponding to the illumination intensity to the communication signal; a communication unit: the remote equipment is used for outputting the received numerical value signal of the illumination intensity to the remote equipment; compared with the prior art, the beneficial effects of the utility model are that: the utility model provides a can gather, save fast and send the light intensity information, and then realize the real-time accurate measurement's of the interior light intensity of stove equipment, provide the support for objective analysis UV stove internal light power.

Description

Wireless Ultraviolet (UV) light source measuring device

Technical Field

The utility model relates to an ultraviolet test and radio frequency identification technical field specifically are a wireless ultraviolet UV light source measuring device.

Background

Under the theoretical support of the development of the current basic subject, the performance of the optical power meter is continuously and rapidly improved, and particularly, in the aspects of basic functions of the optical power meter, such as wavelength coverage, measuring range, measuring precision and the like, equipment manufacturers at home and abroad pay particular attention. At present, the foreign countries are represented by the Australian kingfisher company, the Canada EXFO company, the U.S. Thorlabs optoelectronic laboratory, and the like; the Tsunami TFN company, the Beijing Lingyun LUSTER company, the Shenzhen Bizhi instrument company and the like are taken as representatives in China. Most device manufacturers are still primarily desktop and do not have telecommunications capabilities. The Thorlabs company, USA, has a hand-held wireless optical power meter which uses silicon photodiode as probe and can detect 10nW to 2mW optical power in the wavelength range of 400 to 1100 nm. The power meter is wirelessly operated by the Bluetooth wireless technology and an application program on the mobile equipment, and the transmission distance can reach 8 m.

The existing method can effectively measure the optical power, but the whole power meter has the defects of low precision, complex circuit, large power consumption, limited data transmission distance, and large influence by ultraviolet radiation and environmental temperature.

The measurement of the optical power in the UV furnace has high requirements on the reaction speed, accuracy and high temperature resistance of the measurement system, and the current related equipment is not enough to detect the optical power in the UV furnace, and needs to be improved.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a wireless ultraviolet UV light source measuring device to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme:

a wireless Ultraviolet (UV) light source measurement device, comprising:

a lighting unit: the ultraviolet light processing unit is used for collecting ultraviolet light in the UV furnace, providing a trigger signal, converting the illumination intensity into a corresponding pulse signal and outputting the pulse signal to the processing unit;

a power supply unit: the voltage is used for providing voltage for the processing unit to work;

a processing unit: the system comprises a lighting unit, a communication unit, a control unit and a control unit, wherein the lighting unit is used for receiving a pulse signal input by the lighting unit, judging the illumination intensity according to the input pulse signal intensity, storing the illumination intensity and outputting a numerical value corresponding to the illumination intensity to the communication signal;

a communication unit: the received numerical value signal of the illumination intensity is output to the remote equipment, and the influence of a high-temperature environment on data transmission is reduced;

the lighting unit is connected with the processing unit, the power supply unit is connected with the processing unit, and the processing unit is in bidirectional connection with the communication unit.

As a further aspect of the present invention: the lighting unit comprises an integrated circuit U3, an integrated circuit U4, an integrated circuit U5, a capacitor C12, a resistor R8, a resistor R9, a resistor R6, a resistor R7, a resistor R10 and a capacitor C9,

pin No. 10 of the integrated circuit U3 is connected with pin No. 3 of the integrated circuit U5, a resistor R8 is arranged between the pin No. 10 of the integrated circuit U3 and the pin No. 3 of the integrated circuit U5, a capacitor C8 is connected with a resistor R6, the other end of the capacitor C8 is connected with 3.3V voltage, the other end of the resistor R6 is grounded,

pin 9 of the integrated circuit U3 is connected between the capacitor C8 and the resistor R6, pin 12 of the integrated circuit U3 is grounded, pin 6 of the integrated circuit U3 is connected with pin 7 and then grounded, pin 1 of the integrated circuit U3 is connected with one end of the capacitor C9, pin 3 of the integrated circuit U3 is connected with the other end of the capacitor C9 and then connected with one end of the resistor R7, the other end of the resistor R7 is connected with pin 2 of the integrated circuit U3,

pin No. 1 of the integrated circuit U4 is connected with pin No. 2, pin No. 5 of the integrated circuit U4 is connected with pin No. 6, pin No. 7 of the integrated circuit U4 is grounded, pin No. 8 of the integrated circuit U4 is connected with pin No. 9, pin No. 10 of the integrated circuit U4 is connected with pin No. 5 and pin No. 6, pin No. 11 of the integrated circuit U4 is connected with a photosensitive element, pin No. 12 of the integrated circuit U4 is connected with pin No. 13, pin No. 14 of the integrated circuit U4 is connected with 3.3V voltage,

pin 12 of integrated circuit U4 is connected to pin 10 of integrated circuit U3,

pin No. 5 of the integrated circuit U5 is connected with pin No. 6 and connected with pin No. 8 of the integrated circuit U4, pin No. 4 of the integrated circuit U5 is connected with pin No. 7 and then grounded, pin No. 8 of the integrated circuit U5 is connected with pin No. 13, pin No. 14 of the integrated circuit U5 is connected with 3.3V voltage,

one end of the resistor R10 is grounded, the other end is connected to one end of the capacitor C12, and the other end of the capacitor C12 is connected to pin No. 5 of the integrated circuit U5.

As a further aspect of the present invention: the communication unit comprises a capacitor C2, a capacitor C3, an integrated circuit U2, a resistor R3, a capacitor C6, a 3.3V voltage connection capacitor C2, a capacitor C3, a resistor R3 and a No. 3 pin of the integrated circuit U2, the other end of the capacitor C2 is grounded, the other end of the capacitor C3 is grounded, the other end of the resistor R3 is connected with a No. 4 pin of the integrated circuit U2, a capacitor C6 and the other end of the capacitor C6 is grounded. And outputting the received numerical value signal of the illumination intensity to the remote equipment.

As a further aspect of the present invention: the lighting unit further comprises a photoelectric sensor, wherein the photoelectric sensor is G5842. Used for collecting ultraviolet light in the UV furnace and providing a trigger signal.

As a further aspect of the present invention: the processing module is composed of a single chip microcomputer minimum system.

As a further aspect of the present invention: the integrated circuit U2 is model LORA-RA 02. Point-to-point communication is achieved.

As a further aspect of the present invention: the integrated circuit U3 is model CD 4048.

Compared with the prior art, the beneficial effects of the utility model are that: the utility model provides a can gather, quick storage and send light intensity information, and then realize the real-time accurate measurement's of stove light intensity equipment, for the interior light power of objective analysis UV stove provides the support, has obvious benefit in following several aspects:

(1) a light intensity extraction method under a high-temperature condition is established, and the accurate measurement of the light power in the UV furnace is realized;

(2) a wireless test scheme is designed, and a LORA communication module is used for realizing the remote transmission of data;

(3) the adopted high-temperature-resistant electronic tag structure effectively avoids the problem that the cable is difficult to measure in a high-temperature environment, and the inconvenience of handheld cable test is avoided by means of magnetic attraction fixation or 3M high-temperature glue;

(4) a host terminal for remote monitoring is established, and the relevant information of the light intensity in the UV furnace can be checked in real time.

Drawings

Fig. 1 is a schematic diagram of a wireless ultraviolet UV light source measuring device.

Fig. 2 is a circuit diagram of photoelectric signal acquisition and processing.

Fig. 3 is a circuit diagram of the LORA communication module.

Fig. 4 is a diagram of a photosensor spectral response curve.

Detailed Description

The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, rather than all embodiments, and all other embodiments obtained by a person of ordinary skill in the art without creative work belong to the protection scope of the present invention based on the embodiments of the present invention.

Example 1: referring to fig. 1, a wireless UV light source measuring device includes:

a communication unit: and the received numerical value signal of the illumination intensity is output to the remote equipment, so that the influence of a high-temperature environment on data transmission is reduced.

The lighting unit is connected with the processing unit, the power supply unit is connected with the processing unit, the processing unit is connected with the communication unit in a bidirectional way,

a source signal enters the photoelectric sensor through the optical filter, and the photodiode is in a zero-bias state according to a photovoltaic mode in a photoelectric effect working mode and completely depends on a PN junction effect of a semiconductor material. When the semiconductor material absorbs light energy to excite an electron-hole pair, the built-in electric field separates the electron-hole pair, charge is accumulated on two sides of a potential barrier under the diffusion action of a carrier to form a photo-generated potential, and a digital pulse waveform is output after the photo-generated potential passes through a multivibrator. The pulse waveform is processed by the core controller and then is output to a display screen of a host terminal through wireless communication between the LORA modules, so that the real-time optical power in the furnace can be clearly seen.

A photoelectric sensor:

the photoelectric sensor collects ultraviolet light in the UV furnace and provides a trigger signal, the spectrum of the ultraviolet light is mainly distributed in a spectral band (10nm-400nm), and a G6262 ultraviolet sensor developed by Longxinda technology limited is adopted according to the spectral band range, and the specific parameters are as follows:

effective photosensitive size of the sensor: 4mm by 4 mm;

sensitivity to light sensation: 0.06A/W (370 nm);

fastest response time: 3 mu s;

spectral response peak wavelength: 370nm, peak interval: 350nm-380 nm.

Communication module

The communication module adopts LORA-RA02 of Ai-Thinker company, and the parameters are as follows:

support FSK, GFSK, MSK, GMSK, LoRa^TMAnd OOK modulation mode;

the frequency band is supported to be 410 MHz-525 MHz;

the working voltage is 3.3V, the maximum output is +20dBm, and the maximum working current is 105 mA;

the power consumption is low in a receiving state, the receiving current is 12.15mA, and the standby current is 1.6 mA;

high sensitivity: down to-140 dBm;

the modules employ SPI interfaces, using half duplex communication, with CRC, packet engines of up to 256 bytes.

Photoelectric signal acquisition and processing

After the photoelectric sensor detects the optical signal, the optical signal enters an acquisition circuit, the signal is converted through a monostable multivibrator formed by mutually linking a 555 timer, a resistor and a capacitor by utilizing a plurality of pins of the photoelectric sensor, and after the optical signal is identified, the converted pulse signal is output to an MCU (microprogrammed control Unit) for acquisition and analysis.

Data display terminal module

The module is mainly used for displaying parameters such as measured ultraviolet light optical power, illuminance and the like, communicating with a lower computer through a serial communication protocol such as a free protocol or a multidus protocol and displaying data through an industrial control touch screen. The display module mainly adopts an intelligent module (Smart LCD), and the parameters of the module are as follows:

(1) built-in real-time configuration type operating system, image display and touch operation module autonomous processing

(2) 256MB flash data storage space is built in, and 1000 interfaces can be stored

(3) Standard RS-232C/UART communication interface for communicating with client host

(4) Standard Mini USB interface for download/update interface

(5) Wide voltage supply 6V-26V

(6) Reliable communication command packet

(7) The configuration type interface development mode has rich functions, is simple and easy to use

(8) All image data to be displayed are prestored in the module in advance, and the display can be directly called by sending a command

As shown in FIG. 2, the lighting unit includes an integrated circuit U3, an integrated circuit U4, an integrated circuit U5, a capacitor C12, a resistor R8, a resistor R9, a resistor R6, a resistor R7, a resistor R10, and a capacitor C9,

The communication unit comprises a capacitor C2, a capacitor C3, an integrated circuit U2, a resistor R3, a capacitor C6, a 3.3V voltage connection capacitor C2, a capacitor C3, a resistor R3 and a No. 3 pin of the integrated circuit U2, the other end of the capacitor C2 is grounded, the other end of the capacitor C3 is grounded, the other end of the resistor R3 is connected with a No. 4 pin of the integrated circuit U2, a capacitor C6 and the other end of the capacitor C6 is grounded.

The utility model discloses a theory of operation is: photoelectric sensor G5842 gathers the intensity signal of ultraviolet light in the UV stove, and export for integrated circuit U3(CD4048), integrated circuit U3 gathers and the analysis to the signal, after discerning the optical signal, give processing unit with output pulse signal, the inside singlechip of processing unit turns into the pulse signal of input into corresponding voltage signal, output integrated circuit U2(LORA-RA02), integrated circuit U2 gives remote equipment with this voltage signal remote output, through can observe the intensity signal of ultraviolet light in the UV stove on remote equipment, with this influence that reduces high temperature environment to data transmission, look over the relevant information of light intensity in the UV stove in real time.

Example 2: on embodiment 1's basis, adopt high temperature resistant electronic tags structure, the difficult measuring problem under the high temperature environment of effectively avoiding to utilize magnetism to inhale fixed mode, avoid the inconvenience of handheld cable test.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims

1. The utility model provides a wireless ultraviolet UV light source measuring device which characterized in that:

this wireless ultraviolet UV light source measuring device includes:

a communication unit: the system is used for outputting the received numerical value signal of the illumination intensity to the remote equipment, so that the influence of a high-temperature environment on data transmission is reduced;

2. The wireless ultraviolet UV light source measuring device of claim 1, wherein the lighting unit comprises an integrated circuit U3, an integrated circuit U4, an integrated circuit U5, a capacitor C12, a resistor R8, a resistor R9, a resistor R6, a resistor R7, a resistor R10 and a capacitor C9,

3. The wireless Ultraviolet (UV) light source measuring device according to claim 1, wherein the communication unit comprises a capacitor C2, a capacitor C3, an integrated circuit U2, a resistor R3, a capacitor C6, a 3.3V voltage connection capacitor C2, a capacitor C3, a resistor R3, a pin No 3 of the integrated circuit U2, the other end of the capacitor C2 is grounded, the other end of the capacitor C3 is grounded, the other end of the resistor R3 is connected with a pin No 4 of the integrated circuit U2, the capacitor C6, and the other end of the capacitor C6 is grounded.

4. The wireless Ultraviolet (UV) light source measurement device of claim 1, wherein the lighting unit further comprises a photoelectric sensor, the photoelectric sensor being G5842.

5. The wireless Ultraviolet (UV) light source measuring device of claim 1, wherein the processing module is composed of a single chip microcomputer minimum system.

6. The wireless Ultraviolet (UV) light source measurement device of claim 3, wherein the integrated circuit U2 is LORA-RA 02.

7. The wireless Ultraviolet (UV) light source measurement device of claim 2, wherein the integrated circuit U3 model is CD 4048.