CN207163572U - Multi probe ultraviolet radiation meter - Google Patents

Multi probe ultraviolet radiation meter Download PDF

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Publication number
CN207163572U
CN207163572U CN201720803922.5U CN201720803922U CN207163572U CN 207163572 U CN207163572 U CN 207163572U CN 201720803922 U CN201720803922 U CN 201720803922U CN 207163572 U CN207163572 U CN 207163572U
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module
ultraviolet radiation
probe
signal
radiation meter
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CN201720803922.5U
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Chinese (zh)
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薛灿
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SHENZHEN LINSHANG TECHNOLOGY Co Ltd
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SHENZHEN LINSHANG TECHNOLOGY Co Ltd
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Abstract

The utility model belongs to measurement apparatus technical field, a kind of Multi probe ultraviolet radiation meter, including probe and main frame are disclosed, wherein, probe includes signal processing module and connected detecting module and memory, and main frame includes power supply module, display module and operation module.One main frame of the ultraviolet radiation meter can connect a variety of probes, easy to use, and it is convenient to carry, popped one's head in using digitlization, main frame automatic identification probe, measurement parameter corresponding to the model of intelligent decision probe and display, main frame uses digital signal communication with probe, anti-interference strong.

Description

Multi probe ultraviolet radiation meter
Technical field
The utility model belongs to measurement apparatus technical field, more particularly to a kind of Multi probe ultraviolet radiation meter.
Background technology
Ultraviolet is the electromagnetic wave that wavelength is 100~400nm, and it is divided into again：Near ultraviolet ray UVA, far ultraviolet UVB, surpass Short ultraviolet (UV) C and blue violet light UVV.The ultraviolet of different-waveband needs to use matching ultraviolet radiation lumeter to measure. Multi probe ultraviolet radiation meter is a to test UVA, UVB, UVC, the ultraviolet spoke of multichannel of more kinds of wave band uv irradiances of UVV Illumination photometer is penetrated, the probe of matching is selected according to use occasion.Detected available for sewage disposal bactericidal lamp, electro-welding arc detection is purple Outer senile experiment case detection etc..
At present, traditional ultraviolet radiation meter matches somebody with somebody the form of a probe using a main frame more, if to measure multiple ripples Section, it is necessary to multiple host.Therefore, if multiple wave bands will be measured by existing in traditional technical scheme, it is necessary to multiple host, And cause the problem of operational inconvenient to user.
The content of the invention
The purpose of this utility model is to provide a kind of Multi probe ultraviolet radiation meter, using a main frame with multiple probes Design, it is intended to solve the problems, such as that multiple measuring probes present in traditional technical scheme need to match somebody with somebody multiple host.
The utility model embodiment is achieved in that a kind of Multi probe ultraviolet radiation meter, including main frame and at least one Probe, the probe and the main frame are that plug-in connects, and the probe includes：Ultraviolet signal is converted into the spy of electric signal Survey module；It is connected with the detecting module, the electric signal that the detecting module exports is converted into data signal, and be transferred to institute State the signal processing module of main frame；And be connected with signal processing module, the memory of the alignment information for depositing probe；It is described Main frame includes：For providing the power supply module of electric energy；It is connected with signal processing module, is measured according to the data signal As a result control module；It is connected with the control module, for showing the display module of the measurement result；And with the control Module is connected, and has the operation module of Cao Zuoanjian.
Further, the detecting module include bandpass filter, diffuse-transmission device and with the bandpass filter and unrestrained The photodetector that transilluminator is oppositely arranged.
Further, the signal processing module includes：It is connected with the detecting module, for defeated to the detecting module The electric signal gone out is amplified the signal amplification circuit of processing；And be connected with the signal amplification circuit, for by the signal The electric signal of amplifying circuit output is converted to the A/D change-over circuits of data signal.
Further, the signal amplification circuit includes first resistor, second resistance, 3rd resistor, the 4th resistance, first Electric capacity, the second electric capacity, the first operational amplifier and the second operational amplifier；The in-phase input end of first operational amplifier with One end of detecting module is connected, and the inverting input of first operational amplifier is connected with the other end of detecting module, described The output end of first operational amplifier is connected by the first resistor with the positive input terminal in the A/D change-over circuits, described 4th resistance and second electric capacity are connected in parallel between inverting input and the output end of first operational amplifier, and described One capacitance connection is between first resistor and ground, and the second resistance and the 3rd resistor are connected between power supply and ground, institute State second resistance and first operational amplifier and second operation amplifier are connected with the public connecting end of the 3rd resistor The in-phase input end of device, the inverting input of second operational amplifier are connected with its output end, second operation amplifier The output end of device is connected with the negative input end of the A/D change-over circuits.Further, the A/D change-over circuits include the 3rd electricity Appearance, the 4th electric capacity and A/D converter；
3rd electric capacity and the 4th electric capacity 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 control module, the A/ Positive input terminal and negative input end of the in-phase input end and inverting input of D converters respectively as the A/D change-over circuits.
Further, the memory is communicated by I2C buses with the control module.
Further, the power supply module includes：For transmitting the USB interface of electric energy and data；For opening for switching on and shutting down Close control circuit；It is connected with the ON-OFF control circuit, for the voltage conversion circuit to be boosted to input voltage；And with institute State voltage conversion circuit to be connected, the voltage for exporting the voltage conversion circuit carries out the mu balanced circuit of voltage stabilizing processing.
Further, the USB interface is connected with the control module.
Further, the display module include liquid crystal display, safety glass and be arranged on liquid crystal display and safety glass it Between shockproof cushion.
Further, the liquid crystal display is dot matrix LCD.
In a word, the beneficial effects of the utility model are：(1) main frame can connect a variety of probes, easy to use, take With convenient, popped one's head in using digitlization, main frame automatic identification probe, the model of intelligent decision probe simultaneously show corresponding to measurement ginseng Number, main frame uses digital signal communication with probe, anti-interference strong.(2) the corresponding multiple probes of multiband measurement, each probe need Optical filter corresponding to design and photoelectric sensor.
Brief description of the drawings
Fig. 1 is the circuit module schematic diagram of the utility model Multi probe ultraviolet radiation meter.
Fig. 2 is the signal in detecting module and signal processing module in Multi probe ultraviolet radiation meter circuit shown in Fig. 1 The exemplary circuit schematic diagram of amplifying circuit and A/D change-over circuits.
Fig. 3 is the exemplary circuit schematic diagram of memory in Multi probe ultraviolet radiation meter circuit shown in Fig. 1.
Fig. 4 is the exemplary circuit schematic diagram of the interface of control module in Multi probe ultraviolet radiation meter circuit shown in Fig. 1.
Fig. 5 is the exemplary circuit schematic diagram of the power supply module in Multi probe ultraviolet radiation meter circuit shown in Fig. 1.
Fig. 6 is the exemplary circuit schematic diagram of display module in Multi probe ultraviolet radiation meter circuit shown in Fig. 1.
Embodiment
In order that the purpose of this utility model, technical scheme and advantage are more clearly understood, below in conjunction with accompanying drawing and implementation Example, the utility model is further elaborated.It should be appreciated that specific embodiment described herein is only explaining The utility model, it is not used to limit the utility model.
Referring to Fig. 1, Multi probe ultraviolet radiation meter includes probe 100 and main frame in preferred embodiment of the present utility model 200, probe is that plug-in connects with main frame, wherein, probe 100 includes detecting module 110, signal processing module 120 and storage Device 130, main frame 200 include control module 210, power supply module 220, display module 230 and operation module 240.One main frame can Easy to use to connect a variety of probes, it is convenient to carry, and is popped one's head in using digitlization, main frame automatic identification probe, intelligent decision probe Model and display corresponding to measurement parameter, main frame use digital signal communication with probe, it is anti-interference by force.
Detecting module 110 is used to ultraviolet signal be converted into electric signal；Signal processing module 120 and detecting module 110 Connection, is converted into data signal, and be transferred to main frame 200 by the electric signal that detecting module 110 exports；Memory 130 and signal Processing module 120 is connected, for depositing the alignment information of probe；Power supply module 220 is used to provide electric energy；Control module 210 with Signal processing module 120 is connected, and measurement result is obtained according to the data signal；Display module 230 and the phase of control module 210 Even, for showing the measurement result；Operation module 240 is connected with control module 210, has Cao Zuoanjian function.
Detecting module 110 includes bandpass filter (not shown), diffuse-transmission device (not shown) and the photoelectricity of spread configuration Detector (not shown).Multiband measures corresponding multiple probes, and each probe needs optical filter and photoelectric sensing corresponding to design Device.Ultraviolet is irradiated to photodetector through bandpass filter and diffuse-transmission device, and optical signal is converted into electricity by photodetector Signal is transferred to signal processing module 120.Wherein bandpass filter effectively solves veiling glare pair only through the ultraviolet light of corresponding wave band The influence of measurement.Diffusing transmission lens are made up of diffusive transmissive material, realize that the light of different receiving angles meets cosine law requirement. Operation module 240 has 3 Cao Zuoanjians (not shown), and button uses intermetallic composite coating, wherein " POWER " key realize instrument start, Shutdown, " HOLD " realizes data interlock and store function, " SELECT " key query history record.
Referring to Fig. 2, signal processing module 120 includes signal amplification circuit 121 and A/D change-over circuits 122.
Signal amplification circuit 121 is connected with detecting module 110, for the faint electric current letter exported to detecting module 110 Number it is amplified, output voltage signal after amplification；A/D change-over circuits 122 are connected with signal amplification circuit 121, for by signal The electric signal that amplifying circuit 121 exports is converted to data signal.
Wherein, signal amplification circuit 121 include resistance R7, resistance R8, resistance R14, resistance R15, electric capacity C8, electric capacity C9, Operational amplifier U4A and operational amplifier U4B.Operational amplifier U4A in-phase input end and one end of detecting module 110 are (just Pole) it is connected, operational amplifier U4A inverting inputs are connected by resistance R7 with its output end, and resistance R7 is in parallel with electric capacity C8, and Operational amplifier U4A inverting inputs are connected with the other end (negative pole) of detecting module 110, operational amplifier U4A output end Be connected by resistance R8 with the positive input terminal of A/D change-over circuits 122, electric capacity C9 is connected between resistance R8 and ground, resistance R14 and Resistance R15 is connected between power supply VCC and ground, resistance R14 and resistance R15 public connecting end concatenation operation amplifier U4A and U4B in-phase input end, to provide reference voltage；Operational amplifier U4B output end and its inverting input and A/D conversion electricity The negative input end on road 122 is connected.A/D change-over circuits 122 include electric capacity C10, electric capacity C11 and A/D converter U3.Electric capacity C13 and Electric capacity C14 is connected in parallel between power supply VCC and ground, and A/D converter U3 power input pin meets power vd D, A/D converter U3's Clock Signal pin SCL and data pin SDA are connected with control module 210.
Fig. 3 and Fig. 4 are referred to, memory 130 is communicated by I2C buses with control module 210.In the present embodiment, control Module 210 is single-chip microcomputer STM8L152C6.
Referring to Fig. 5, power supply module 220 includes usb circuit 221, ON-OFF control circuit 222, voltage conversion circuit 223 and mu balanced circuit 224.
Wherein, usb circuit 221 is used to transmit electric energy and data, is connected with control module 210, when inserting USB, Powered by USB, measurement data is imported by USB interface by computer, analysis and printing reports for technical staff；Switch control Circuit 222 and voltage conversion circuit 223 are connected with single-chip microcomputer, are pressed when power control terminal inputs high/low level or hand switch When, controlling switch pipe Q1 conduction and cut-offs, to control Multi probe ultraviolet radiation meter to start shooting；Voltage conversion circuit 223 controls with switch Circuit 222 is connected, and voltage conversion circuit 223 passes through chip TPS61112 and inductance L1, electric capacity C1, electric capacity C2, diode D1, two Pole pipe D2 is formed, and the supply voltage 3V exported from ON-OFF control circuit 222 is boosted into given voltage 5V, is exported from diode D2 Connect voltage stabilizing chip U2, for carrying out voltage stabilizing to input voltage, mu balanced circuit 224 is connected with voltage conversion circuit 223, for pair The voltage 5V that voltage conversion circuit 223 exports carries out voltage stabilizing and powered to 3.3V to circuit module.
Referring to Fig. 6, show display module 230, wherein, J4 is the stand for inserting liquid crystal, a total of 34 of liquid crystal Pin is connected with J4, and two pins of 33 pin and 34 pin are used to control backlight, the electric capacity of the pin of 17 pin -32 connection periphery etc., 4 pin -16 Heel single-chip microcomputer connects.Isolated between the liquid crystal display of display module and safety glass using shockproof cushion, reach the shockproof of instrument Effect.Liquid crystal display uses dot matrix LCD, according to the probe of different model, the measurement parameter such as display UV energy values, performance number.
Preferred embodiment of the present utility model is the foregoing is only, it is all at this not to limit the utility model 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 1. Multi probe ultraviolet radiation meter, it is characterised in that including main frame and at least one probe, the probe and the master Machine connects for plug-in, and the probe includes：
    Ultraviolet signal is converted into the detecting module of electric signal；
    It is connected with the detecting module, the electric signal that the detecting module exports is converted into data signal, and is transferred to described The signal processing module of main frame；And
    It is connected with signal processing module, the memory of the alignment information for depositing probe；
    The main frame includes：
    For providing the power supply module of electric energy；
    It is connected with signal processing module, the control module of measurement result is obtained according to the data signal；
    It is connected with the control module, for showing the display module of the measurement result；And
    It is connected with the control module, there is the operation module of Cao Zuoanjian.
  2. 2. Multi probe ultraviolet radiation meter as claimed in claim 1, it is characterised in that the detecting module includes being arranged in order setting Bandpass filter, diffuse-transmission device and the photodetector put.
  3. 3. Multi probe ultraviolet radiation meter as claimed in claim 1, it is characterised in that the signal processing module includes：
    It is connected with the detecting module, the electric signal for being exported to the detecting module is amplified the signal amplification electricity of processing Road；And
    It is connected with the signal amplification circuit, the electric signal for the signal amplification circuit to be exported is converted to data signal A/D change-over circuits.
  4. 4. Multi probe ultraviolet radiation meter as claimed in claim 3, it is characterised in that the signal amplification circuit includes the first electricity Resistance, second resistance, 3rd resistor, the 4th resistance, the first electric capacity, the second electric capacity, the first operational amplifier and the second operation amplifier Device；
    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 is connected with the other end of detecting module, and the output end of first operational amplifier passes through the first resistor and institute The positive input terminal stated in A/D change-over circuits is connected, and the 4th resistance and second electric capacity are connected in parallel on first computing and put Between the inverting input and output end of big device, 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 State the in-phase input end of the first operational amplifier and second operational amplifier, the anti-phase input of second operational amplifier End is connected with its output end, and the output end of second operational amplifier is connected with the negative input end of the A/D change-over circuits.
  5. 5. Multi probe ultraviolet radiation meter as claimed in claim 3, it is characterised in that the A/D change-over circuits include the 3rd electricity Appearance, the 4th electric capacity and A/D converter；
    3rd electric capacity and the 4th electric capacity 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 control module, and the A/D turns Positive input terminal and negative input end of the in-phase input end and inverting input of parallel operation respectively as the A/D change-over circuits.
  6. 6. Multi probe ultraviolet radiation meter as claimed in claim 1, it is characterised in that the memory passes through I2C buses and institute State control module communication.
  7. 7. Multi probe ultraviolet radiation meter as claimed in claim 1, it is characterised in that the power supply module includes：
    For transmitting the USB interface of electric energy and data；
    It is connected with the USB interface, the ON-OFF control circuit for switching on and shutting down；
    It is connected with the ON-OFF control circuit, for the voltage conversion circuit to be boosted to input voltage；And
    It is connected with the voltage conversion circuit, the voltage for being exported to the voltage conversion circuit carries out the voltage stabilizing of voltage stabilizing processing Circuit.
  8. 8. Multi probe ultraviolet radiation meter as claimed in claim 7, the USB interface are connected with the control module.
  9. 9. Multi probe ultraviolet radiation meter as claimed in claim 1, it is characterised in that the display module includes liquid crystal display, steel Change glass and the shockproof cushion being arranged between liquid crystal display and safety glass.
  10. 10. Multi probe ultraviolet radiation meter as claimed in claim 9, it is characterised in that the liquid crystal display is dot matrix LCD.
CN201720803922.5U 2017-07-04 2017-07-04 Multi probe ultraviolet radiation meter Active CN207163572U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201720803922.5U CN207163572U (en) 2017-07-04 2017-07-04 Multi probe ultraviolet radiation meter

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201720803922.5U CN207163572U (en) 2017-07-04 2017-07-04 Multi probe ultraviolet radiation meter

Publications (1)

Publication Number Publication Date
CN207163572U true CN207163572U (en) 2018-03-30

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Application Number Title Priority Date Filing Date
CN201720803922.5U Active CN207163572U (en) 2017-07-04 2017-07-04 Multi probe ultraviolet radiation meter

Country Status (1)

Country Link
CN (1) CN207163572U (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111678589A (en) * 2020-06-19 2020-09-18 中国建筑科学研究院有限公司 Irradiation data acquisition instrument and acquisition method
CN111813020A (en) * 2020-07-14 2020-10-23 深圳市莱康宁医用科技股份有限公司 Portable medical detector with replaceable probe and control method thereof

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111678589A (en) * 2020-06-19 2020-09-18 中国建筑科学研究院有限公司 Irradiation data acquisition instrument and acquisition method
CN111813020A (en) * 2020-07-14 2020-10-23 深圳市莱康宁医用科技股份有限公司 Portable medical detector with replaceable probe and control method thereof

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