CN209167066U - A kind of novel air corpuscular counter - Google Patents

A kind of novel air corpuscular counter Download PDF

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Publication number
CN209167066U
CN209167066U CN201821866371.8U CN201821866371U CN209167066U CN 209167066 U CN209167066 U CN 209167066U CN 201821866371 U CN201821866371 U CN 201821866371U CN 209167066 U CN209167066 U CN 209167066U
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China
Prior art keywords
sensor
air
laser
cabinet
control panel
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CN201821866371.8U
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Chinese (zh)
Inventor
张有为
王剑英
孙倩
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Tianjin Shengyuan Technology Co Ltd
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Tianjin Shengyuan Technology Co Ltd
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Priority to CN201821866371.8U priority Critical patent/CN209167066U/en
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Abstract

The utility model provides a kind of novel air corpuscular counter, including cabinet, power supply board, control panel, display screen, sensor, vacuum pump, air inlet, gas outlet and measurement chamber;Setting power supply board, control panel, sensor and vacuum pump in cabinet;Sensor is that laser sensor can realize measurement non-contact to air particles, without prejudice, undisturbed, and the Lens of laser sensor are oval, by the projection scope of expansion of laser light, further increase the resolution to air particles;The utility model is realized the same particle data for measuring chamber air and air mass flow by setting laser sensor and flow sensor while being sampled, and accuracy when laser sensor samples in the prior art by the interference effect detection data of air mass flow factor is avoided;It, can be to avoid being interfered in measurement to dust-free workshop and the secondary pollution of air in addition, laser sensor and ultrasonic flow sensor can realize non-contact, without prejudice, the undisturbed measurement of air particles.

Description

A kind of novel air corpuscular counter
Technical field
The utility model belongs to dust-free workshop air particles detection field, more particularly, to a kind of novel air particle counting Device.
Background technique
Dust-free workshop is also referred to as dust free room or toilet, dust-free workshop refer to by a certain range in air particulate, The contaminant exclusions such as noxious air, bacterium, and by room temperature, cleanliness, room pressure, air velocity and air flow method, make an uproar Sound vibration and illumination, Electrostatic Control in a certain range of needs and specially designed space, main function are in production process The air purity and temperature and humidity that middle control product is contacted;Dust-free workshop cleaniliness classs standard is according to aerosol concentration This sole indicator divides the grade of toilet and associated controlled environmental air dust-free workshop cleanliness, and only considers grain The population of cumulative distribution in diameter limit value 0.1-0.5 μ m;What dust-free workshop needed to float in air in stringent keyholed back plate workshop Micro dust particle enables product to produce, manufacture in a good environment space.
Summary of the invention
In view of this, the utility model is directed to a kind of novel air corpuscular counter, it is suitable for dust-free workshop air Detection of particles avoids that the gas level in dust-free workshop is interfered and polluted in measurement.
In order to achieve the above objectives, technical solution used by the device of the utility model is: a kind of novel air particle meter Number device, which is characterized in that including cabinet, power supply board, control panel, display screen, sensor, vacuum pump, air inlet, gas outlet and survey Measure chamber;Setting power supply board, control panel, sensor and vacuum pump in cabinet, power supply board respectively with control panel, sensor and vacuum pump Electrical connection;Case side wall opens up air inlet, gas outlet, and air inlet and air outlet are set to survey by measurement chamber connection, vacuum pump Chamber is measured close to the position of gas outlet, sensor is set to measurement chamber close to the position of air inlet;Display screen is arranged in cabinet outer surface, Display screen is connect with control panel;The sensor is laser sensor, which includes laser emitter, lens and swash Optical receiver, laser emitter and laser pickoff are respectively arranged at the measurement chamber two sides, and the lens are oval, this is thoroughly Mirror includes elliptical openings portion and arc-shaped side wall.
Preferably, the sensor further includes ultrasonic flow sensor, which includes ultrasonic wave Transmitter and ultrasonic receiver, ultrasonic transmitter and ultrasonic receiver are respectively arranged at measurement chamber two sides.
Preferably, the cabinet outer surface setting information plate, information board include alarm flashing lamp and working condition lamp, alarm Flashing lamp and working condition lamp are electrically connected with the sensor.
It preferably, further include mobile terminal, Cloud Server, the sensor is set to workshop different zones, the sensing Device is also connected with the radio receiving transmitting module connecting by wireless network with Cloud Server.
Preferably, radio receiving transmitting module includes GPRS signal receiver and GPRS signal projector, the mobile terminal with Cloud Server passes through GPRS wireless network connection.
Compared with the existing technology, device described in the utility model has the advantage that
(1) the utility model passes through cabinet, power supply board, control panel, display screen, sensor, vacuum pump, air inlet, outlet Air is sent into measurement chamber by air inlet and is discharged again by gas outlet by mouth and measurement chamber, vacuum pump, the sensor sky intracavitary to measurement Gas particle is detected, and control panel acquisition sensing data simultaneously carries out real-time display by display screen;Sensor is laser sensing Device can realize measurement non-contact to air particles, without prejudice, undisturbed, and Lens are oval, can be improved to air grain The resolution of son, elliptical openings portion and arc-shaped side wall are further increased by the projection scope of expansion of laser light to air grain The resolution of son.
(2) the utility model is by setting laser sensor and ultrasonic flow sensor, so that laser sensor is being examined While measuring intracavitary particle data based on measuring chamber air flow data, it is ensured that laser sensor can be stable Detection under sampling flow is, it can be achieved that i.e. the particle data of measurement chamber air and air mass flow are adopted simultaneously within the scope of the same space Sample, interference when avoiding laser sensor sampling in the prior art by air mass flow factor, influences the accurate of detection data Property;In addition, laser sensor and ultrasonic flow sensor can realize non-contact, without prejudice, the undisturbed survey of air particles Amount can interfere dust-free workshop and the secondary pollution of air to avoid in measurement.
(3) by information board connect sensor, can close-ups equipment whether be in normal working condition;By setting It is placed in the particle data of different zones in the sensor detection workshop of workshop different zones, it is excessively wireless that Cloud Server acquires sensor The particle data of transceiver module transmission is stored, calculated and is handled, and user is taken using mobile terminal by wireless network and cloud Business device communication, realizes the air particles situation of real time monitoring multiple regions.
Detailed description of the invention
In attached drawing:
Fig. 1 is the embodiments of the present invention overall structure figure;
Fig. 2 is the embodiments of the present invention overall structure figure;
Fig. 3 is the structure chart of laser sensor;
Fig. 4 is the structure chart of lens in Fig. 3.
Description of symbols:
1- cabinet;2- laser transmitting set;3- measures chamber;4- air inlet;5- laser pickoff;6- information board;The alert flashing of 7- Lamp;8- working condition lamp;The gas outlet 9-;11- vacuum pump;12- power supply board;13- control panel;14- display screen;201- ultrasonic wave hair Emitter;202- ultrasonic receiver;301- lens;401- elliptical openings portion;The arc-shaped side wall of 402-.
Specific embodiment
Technical solution adopted by the utility model: as shown in Figures 1 to 4, a kind of novel air corpuscular counter, including machine Case 1, power supply board 12, control panel 13, display screen 14, sensor, vacuum pump 11, air inlet 4, gas outlet 9 and measurement chamber 3;Cabinet 1 Interior setting power supply board 12, control panel 13, sensor and vacuum pump 11, power supply board 12 respectively with control panel 13, sensor and vacuum 11 electrical connection of pump;1 side wall of cabinet opens up air inlet 4, gas outlet 9, and air inlet 4 is connected to gas outlet 9 by measuring chamber 10, vacuum Pump 10 is set to measurement chamber 4 close to the position of gas outlet 9, and sensor is set to measurement chamber 3 close to the position of air inlet 4;Cabinet 1 Display screen 14 is arranged in outer surface, and display screen 14 is connect with control panel 13;The sensor is laser sensor, the laser sensor Including laser emitter 2, lens 301 and laser pickoff 5, laser emitter 2 and laser pickoff 5 are respectively arranged at the survey 3 two sides of chamber are measured, the lens 301 are oval, which includes elliptical openings portion 401 and arc-shaped side wall 402.
The sensor further includes ultrasonic flow sensor, which includes ultrasonic transmitter 201 and ultrasonic receiver 202, ultrasonic transmitter 201 and ultrasonic receiver 202 are respectively arranged at measurement 3 two sides of chamber.
The 1 outer surface setting information plate 6 of cabinet, information board 6 include alarm flashing lamp 7 and working condition lamp 8, and alarm is dodged Bright lamp 7 and working condition lamp 8 are electrically connected with the sensor.
It further include mobile terminal, Cloud Server, the sensor is set to workshop different zones, and the sensor is also connected with There is the radio receiving transmitting module connecting by wireless network with Cloud Server.
Radio receiving transmitting module includes GPRS signal receiver and GPRS signal projector, the mobile terminal and Cloud Server Pass through GPRS wireless network connection.
As shown in figure 3, light source passes through lens focus and forms horizontal light beam after filtering, into measurement chamber and measurement chamber is flowed through Air-flow in particle meet, thus produce scattering light, scattering light is by after lens focus, by photodetector by optical signal It is changed into electric impulse signal.
It should be understood that laser sensor includes laser particle counter, base in the utility model above-described embodiment Present principles are that the exploring laser light of optical sensor receives and generate pulse signal by light-sensitive element after KPT Scatter, pulse letter It number is exported and is amplified, then carry out Digital Signal Processing, by being compared with standard particle signal, by comparing result with not Same parameter shows.Sensor further includes ultrasonic flow sensor, which includes ultrasonic wave hair Emitter and ultrasonic receiver, ultrasonic transmitter and ultrasonic receiver are respectively arranged at measurement chamber two sides;Ultrasonic wave receives Device, ultrasonic transmitter include shell, and oscillator, twin crystal oscillator and metal plate, the setting vibration of metal plate upper surface are provided in shell Twin crystal oscillator is arranged in son, lower surface, and ultrasonic flow sensor can be realized to air or the non-contact, without prejudice of fluid, unperturbed Dynamic measurement can interfere environment and the secondary pollution of air to avoid in measurement.
A kind of working principle of novel air corpuscular counter of the utility model is:
Air is sent into measurement chamber by air inlet and is discharged again by gas outlet by vacuum pump, the sensor air grain intracavitary to measurement Son is detected, and control panel acquisition sensing data simultaneously carries out real-time display by display screen;Sensor is that laser sensor can Realize measurement non-contact to air particles, without prejudice, undisturbed.
The utility model use laser sensor be using light scattering principle carry out air particles counting, light scattering with Particle size, optical wavelength, particulate refractive index and particle are related to factors such as the absorption characteristics of light.With regard to scattered light intensity and particle For size, there is a basic law, be exactly the intensity of Particle Scattering light increases with the surface area of particle and is increased, therefore certain The dusty gas of flow is made particle emission go out to scatter light, is projected on photomultiplier tube by lens light gathering by An Intense Beam of Light, Light pulse is become into electric pulse, granule number is acquired by umber of pulse, is obtained according to the functional relation of the intensity of KPT Scatter light and partial size Particle diameter out, as long as the intensity of measurement scattering light in this way can deduce the size of particle;The lens of the utility model are in ellipse The resolution to air particles, elliptical openings portion and arc-shaped side wall can be improved in shape, by the projection scope of expansion of laser light, Further increase the resolution to air particles.
The utility model is by setting laser sensor and ultrasonic flow sensor, so that laser sensor is surveyed in detection While measuring intracavitary particle data based on measuring chamber air flow data, it is ensured that laser sensor can be in stable sampling Under flow detection, it can be achieved that the same space within the scope of i.e. measure chamber air particle data and air mass flow sample simultaneously, keep away Exempt from interference when laser sensor samples in the prior art by air mass flow factor, influences the accuracy of detection data;Separately Outside, laser sensor and ultrasonic flow sensor can realize non-contact, without prejudice, the undisturbed measurement of air particles, can Dust-free workshop is interfered and the secondary pollution of air to avoid in measurement.
By information board connect sensor, can close-ups equipment whether be in normal working condition;Pass through setting In the particle data of different zones in the sensor detection workshop of workshop different zones, Cloud Server acquisition sensor is wirelessly received excessively The particle data of hair module transmission is stored, calculated and is handled, and user passes through wireless network and cloud service using mobile terminal Device communication, realizes the air particles situation of real time monitoring multiple regions.
A kind of operation instruction of novel air corpuscular counter of the utility model is as follows:
Testing principle: it is scattered under the illumination of some strength according to particles floating and its partial size proportion relation Luminous flux principle, KPT Scatter light through photoelectric conversion at electric signal, amplified and calculation processing after to be shown particle equivalent straight Diameter and corresponding number of particles.
Detection method: periodical inspection;
Detection range: filter, the sealing of filter frame, the connection between braced frame;
Detect program: air inlet connects thief hatch by hose, and thief hatch scans the embedding wind side of filter, thief hatch end From filter about 2CM, along filter frame inspection;When detection cycle is 10MIN, 0.5 μm of population > 20, unlatching alarm, table Bright leakage rate is exceeded, needs to repair;After repairing, it is scanned inspection again.
The above is only the preferred embodiment of the utility model only, is not intended to limit the utility model, all at this Within the spirit and principle of utility model, any modification, equivalent replacement, improvement and so on should be included in the utility model Protection scope within.

Claims (5)

1. a kind of novel air corpuscular counter, which is characterized in that including cabinet, power supply board, control panel, display screen, sensor, Vacuum pump, air inlet, gas outlet and measurement chamber;Setting power supply board, control panel, sensor and vacuum pump, power supply board point in cabinet It is not electrically connected with control panel, sensor and vacuum pump;Case side wall opens up air inlet, gas outlet, and air inlet and air outlet pass through Chamber connection is measured, vacuum pump is set to measurement chamber close to the position of gas outlet, and sensor is set to measurement chamber close to air inlet Position;Display screen is arranged in cabinet outer surface, and display screen is connect with control panel;The sensor is laser sensor, the laser Sensor includes laser emitter, lens and laser pickoff, and laser emitter and laser pickoff are respectively arranged at the measurement Chamber two sides, the lens are oval, which includes elliptical openings portion and arc-shaped side wall.
2. a kind of novel air corpuscular counter according to claim 1, it is characterised in that: the sensor further includes surpassing Acoustic wave flow sensor, the ultrasonic flow sensor include ultrasonic transmitter and ultrasonic receiver, ultrasonic transmitter Measurement chamber two sides are respectively arranged at ultrasonic receiver.
3. a kind of novel air corpuscular counter according to claim 1, it is characterised in that: the cabinet outer surface setting Information board, information board include alarm flashing lamp and working condition lamp, alarm flashing lamp and working condition lamp and sensor electricity Connection.
4. a kind of novel air corpuscular counter according to claim 1, it is characterised in that: further include mobile terminal, cloud Server, the sensor are set to workshop different zones, and the sensor is also connected with through wireless network and Cloud Server The radio receiving transmitting module of connection.
5. a kind of novel air corpuscular counter according to claim 4, it is characterised in that: radio receiving transmitting module includes GPRS signal receiver and GPRS signal projector, the mobile terminal and Cloud Server pass through GPRS wireless network connection.
CN201821866371.8U 2018-11-13 2018-11-13 A kind of novel air corpuscular counter Active CN209167066U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201821866371.8U CN209167066U (en) 2018-11-13 2018-11-13 A kind of novel air corpuscular counter

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201821866371.8U CN209167066U (en) 2018-11-13 2018-11-13 A kind of novel air corpuscular counter

Publications (1)

Publication Number Publication Date
CN209167066U true CN209167066U (en) 2019-07-26

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110346266A (en) * 2019-08-13 2019-10-18 深圳市中明科技股份有限公司 A kind of dust particle on-line counting device of double pump band protection
WO2021056860A1 (en) * 2019-09-25 2021-04-01 佛山市顺德区美的洗涤电器制造有限公司 Kitchen appliance

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110346266A (en) * 2019-08-13 2019-10-18 深圳市中明科技股份有限公司 A kind of dust particle on-line counting device of double pump band protection
WO2021056860A1 (en) * 2019-09-25 2021-04-01 佛山市顺德区美的洗涤电器制造有限公司 Kitchen appliance

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