CN209069776U - Detection of particulates module - Google Patents
Detection of particulates module Download PDFInfo
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- CN209069776U CN209069776U CN201821411839.4U CN201821411839U CN209069776U CN 209069776 U CN209069776 U CN 209069776U CN 201821411839 U CN201821411839 U CN 201821411839U CN 209069776 U CN209069776 U CN 209069776U
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Abstract
A kind of detection of particulates module includes: a pedestal, and inside has a sense channel and a beam channel;One detection part is set in the pedestal, and includes a laser and a particle sensor, if laser transmitting light beam is projeced into the beam channel, particle sensor is correspondingly arranged the sense channel and the beam channel quadrature position;One micropump is carried in the pedestal, and covers the air guide groove;Wherein micropump is driven attraction, the gas outside the pedestal is guided to quickly introduce in sense channel, gas passes through the sense channel and the beam channel quadrature position, luminous point is projected by the laser illumination to particle sensor, contained suspended particulates size and concentration in particle sensor detection gas.
Description
[technical field]
This case carries out gas prison in the application of slim portable apparatus about a kind of detection of particulates module, espespecially a kind of combining
The detection of particulates module of survey.
[background technique]
Suspended particulates refer to the solid particle or drop contained in air, since its partial size is very subtle, are easy to pass through
Vibrissa in nasal cavity enters the lung of human body, thus causes the inflammation, asthma or cardiovascular lesion of lung, if other are polluted
Object depends on suspended particulates, but will aggravate the harm for respiratory system.In recent years, air pollution problems inherent is gradually serious, especially
It is thin suspended particulates (such as: concentration data PM 2.5 or PM10) is usually excessively high, and the monitoring of Airborne particulate concentration is gradually
Paid attention to, but due to air meeting box haul, the variable amount of flowing of air quantity, and detects the air quality monitoring station of suspended particulates at present
It is mostly fixed point monitoring, so can not confirm the aerosol concentration arround itself instantly at all, it is therefore desirable to a Miniature square
The gas-detecting device of Portable belt is come the aerosol concentration arround can detecting anywhere or anytime for user.
In view of this, the concentration of suspended particulates how is monitored whenever and wherever possible, it is actually in the urgent need to address at present
Problem.
[utility model content]
The main purpose of this case is to provide a kind of detection of particulates module, logical using the sense channel and light beam of slim pedestal
Road, the laser and particle sensor for configuring detection and localization component are passing through sense channel and beam channel just wherein, with detection
Contained suspended particulates size and concentration in the gas of position are handed over, and is quickly drawn gas outside pedestal into detection using micropump
Channel apply it can, be assembled in portable electronic devices and dressed on accessory with the concentration of suspended particulates in detection gas, with
Form mobile particle detection, monitored anywhere or anytime for user arround aerosol concentration.
The one broad sense state sample implementation of this case is a kind of detection of particulates module, includes: a pedestal has a length, a width
And one height, the length be 10~60mm, the width be 10~50mm, this is highly 1~7mm, inside have a detection part
Supporting region, a micropump supporting region, a sense channel and a beam channel, the micropump supporting region have an air guide groove, should
Micropump supporting region is connected to the sense channel, which is connected to the beam channel, and the sense channel with
The beam channel is orthogonal setting;One detection part, includes a laser and a particle sensor, which is set to the base
The detection part supporting region positioning of seat, and light beam can be emitted and be projeced into the beam channel, which is correspondingly arranged
To the sense channel and the beam channel quadrature position;One micropump is carried in the micropump supporting region of the pedestal, and covers
Cover the air guide groove;Wherein the micropump is driven attraction, the gas outside the pedestal is guided to quickly introduce in the sense channel,
The gas is projected luminous point to the particle by the laser illumination and is sensed by the sense channel and the beam channel quadrature position
Device, contained suspended particulates size and concentration in the particle sensor detection gas.
[Detailed description of the invention]
Fig. 1 show the appearance diagram of this case detection of particulates module.
Fig. 2 show the associated components decomposition diagram of this case detection of particulates module.
Fig. 3 show the pedestal schematic diagram of this case detection of particulates module.
Fig. 4 A show the detection implementation diagram of a preferable micropump of this case detection of particulates module.
Fig. 4 B show the detection implementation diagram of another preferable micropump of this case detection of particulates module.
Fig. 5 A show the decomposition that a preferable micropump associated components of this case detection of particulates module are regarded by depression angle
Schematic diagram.
Fig. 5 B show the decomposition that a preferable micropump associated components of this case detection of particulates module are regarded by looking up angle
Schematic diagram.
Fig. 6 A show a preferable micropump diagrammatic cross-section of this case detection of particulates module.
Another preferable piezoelectric actuator embodiment that Fig. 6 B show a preferable micropump of this case detection of particulates module is cutd open
Face schematic diagram.
Fig. 6 C to Fig. 6 E show a preferable micropump illustrative view of this case detection of particulates module in Fig. 6 A.
Fig. 7 show another preferable micropump associated components decomposition diagram of this case detection of particulates module.
Fig. 8 A show another preferable micropump diagrammatic cross-section of this case detection of particulates module.
Fig. 8 B to Fig. 8 C show another preferable micropump illustrative view of this case detection of particulates module in Fig. 8 A.
Fig. 9 show the pedestal outer cover plate appearance diagram of this case detection of particulates module.
[specific embodiment]
The some exemplary embodiments for embodying this case features and advantages will describe in detail in the explanation of back segment.It should be understood that
This case can have various variations in different aspects, all not depart from the range of this case, and explanation therein and diagram
It is illustrated as being used in itself, rather than to limit this case.
It please refers to Fig.1 to Fig.4 shown in B, this case provides a kind of detection of particulates module, includes a pedestal 1, a detection part 2
An and micropump 3.Detection of particulates module provided by this case is applied to portable electronic devices and wearing accessory in order to assemble
On, wherein pedestal 1 have a length L, a width W and a height H apparent size, in order to detection part 2 and 3 groups of micropump
Match, according to the current design for optimizing configuration and meeting slim microminiaturization, configures 10~60mm, length L for the length L of pedestal 1
Be for 34~36mm it is best, width W is configured to 10~50mm, width W be 29~31mm be best and height H be configured to 1~
7mm, height H are that 4.5~5.5mm is most preferably, entire detection of particulates module to be allowed to have the implementation design of carrying convenience.
It please refers to Fig.1 to Fig.4 shown in B, above-mentioned pedestal 1 has the first surface 1a and a second surface being oppositely arranged
1b, inside have a detection part supporting region 11, a micropump supporting region 12, a sense channel 13 and a beam channel 14,
Middle micropump supporting region 12 is set to first surface 1a, and has an air guide groove 121, and detection part supporting region 11, detection
Channel 13 and beam channel 14 penetrate through first surface 1a and second surface 1b, and micropump supporting region 12 and sense channel 13 connect
Logical, detection part supporting region 11 is connected to beam channel 14, and sense channel 13 and beam channel 14 are orthogonal setting, and pedestal
On 1 side there is an air inlet 15 and an air exit 16, air inlet 15 to be connected to sense channel 13, air exit 16 and
Air guide groove 121 is connected to.
It please refers to shown in Fig. 2, above-mentioned detection part 2 includes a detection drive circuit board 21, a particle sensor 22, one
Laser 23 and a microprocessor 24.Wherein particle sensor 22, laser 23 and microprocessor 24 are packaged in detection driving electricity
On road plate 21, and detects drive circuit board 21 and be covered on the second surface 1b of pedestal 1, and laser 23 is made to be correspondingly arranged in inspection
It surveys in component supporting region 11, and can emit that light beam is projeced into beam channel 14 and particle sensor 22 is correspondingly arranged inspection
Channel 13 and 14 quadrature position of beam channel are surveyed, such microprocessor 24 controls the actuation of laser 23 and particle sensor 22,
Make laser 23 emit light beam to be irradiated in beam channel 14, by the gas of sense channel 13 and 14 quadrature position of beam channel
Body, and so that gas is generated projection luminous point and be projeced into particle sensor 22, contained suspended particulates in 22 detection gas of particle sensor
Size and concentration, and detection signal is exported, and the reception particle sensor 22 of microprocessor 24 exports detection signal and is analyzed,
To export detection data.Above-mentioned laser 23 includes a light-seeking component 231 and a laser emitting elements 232, light-seeking portion
The setting of part 231 is positioned on detection drive circuit board 21, and the insertion of laser emitting elements 232 is set in light-seeking component 231,
And it is electrically connected detection drive circuit board 21, it is driven with being controlled by microprocessor 24, concurrent irradiating light beam is irradiated in beam channel 14
In.Wherein particle sensor 22 is PM2.5 sensor or PM10 sensor.
Please continue to refer to shown in Fig. 2, detection of particulates module further comprises an insulating sheet member 5, is covered in the first of pedestal 1
On the 1a of surface, import the gas outside pedestal 1 in sense channel 13 by air inlet 15 as shown in fig. 4 a or fig. 4b, then pass through
The air guide groove 121 of micropump supporting region 12, then by the discharge of air exit 16 in outside pedestal 1, to form an air guide path.For another example
Shown in Fig. 2 and Fig. 9, detection of particulates module further includes a pedestal outer cover plate 6, and bearing is on insulating sheet member 5 and closing base
The first surface 1a of seat 1, to form electronic interferences protective action, and pedestal outer cover plate 6 corresponds to the air inlet 15 of pedestal 1
Also there is an air inlet 61 to be corresponded to connection for position, and pedestal outer cover plate 6 corresponds to 16 position of air exit of pedestal 1
Connection is corresponded to an air exit 62.
Please refer to Fig. 2, Fig. 4 A, shown in Fig. 5 A and Fig. 5 B, above-mentioned micropump 3 is carried on the micropump supporting region of pedestal 1
In 12, and cover air guide groove 121.Micropump 3 is exhausted by an influent stream plate 31, a resonance plate 32, a piezoelectric actuator 33, one first
Embolium 34, a conductive sheet 35 and one second insulating trip 36 sequentially stack composition.Wherein influent stream plate 31 has an at least flow-in hole
31a, at least a busbar channel 31b and confluence a chamber 31c, flow-in hole 31a converge for importing gas, the corresponding perforation of flow-in hole 31a
Emissions groove 31b is flowed, and busbar channel 31b converges to confluence chamber 31c, the gas for enabling flow-in hole 31a to be imported converges into remittance
It flows in chamber 31c.In this present embodiment, flow-in hole 31a is identical as the quantity of busbar channel 31b, flow-in hole 31a and busbar channel
The quantity of 31b is respectively 4, is not limited thereto, and 4 flow-in hole 31a penetrate through 4 busbar channel 31b, and 4 confluences respectively
Emissions groove 31b converges to confluence chamber 31c.
It please referring to shown in Fig. 5 A, Fig. 5 B and Fig. 6 A, above-mentioned resonance plate 32 is connected on influent stream plate 31 by laminating type,
And on resonance plate 32 there is a hollow hole 32a, a movable part 32b and a fixed part 32c, hollow hole 32a to be located at resonance plate 32
At center, and corresponding with the confluence chamber 31c of influent stream plate 31, and movable part 32b is set to around hollow hole 32a and with confluence
Chamber 31c opposite region, and fixed part 32c is set to the outer peripheral edge portion of resonance plate 32 and is posted solid on influent stream plate 31.
Please continue to refer to shown in Fig. 5 A, Fig. 5 B and Fig. 6 A, above-mentioned piezoelectric actuator 33 includes a suspension board 33a, one
Outline border 33b, at least a bracket 33c, a piezoelectric element 33d, at least a gap 33e and a protrusion 33f.Wherein, suspension board 33a is
One positive square suspension board, suspension board 33a's so using square, is compared to the design of round suspension board, square suspends
The structure of plate 33a obviously has the advantage of power saving, and because of the capacity load operated under resonant frequency, consuming power can be with frequency
The rising of rate and increase, and because obviously more round suspension board is low for the resonant frequency of side length square suspension board 33a, therefore its is opposite
It is also significant lower to consume power, that is, the suspension board 33a of the used square _type layout of this case, the benefit with savings advantage;Outside
Frame 33b is around the outside for being set to suspension board 33a;At least a bracket 33c is connected between suspension board 33a and outline border 33b, to mention
For the support force of elastic support suspension plate 33a;And one piezoelectric element 33d have a side length, the side length be less than or equal to suspend
A side length of plate 33a, and piezoelectric element 33d is attached on a surface of suspension board 33a, to apply voltage to drive suspension board
33a bending vibration;And an at least gap 33e is constituted between suspension board 33a, outline border 33b and bracket 33c, to for gas to pass through;
Protrusion 33f is set to the opposite another surface in surface that suspension board 33a attaches piezoelectric element 33d, and protrusion 33f is in the present embodiment
In, integrally formed protrude from attaching piezoelectric element 33d's can also be produced by implementing an etch process in suspension board 33a
A convex architecture on the opposite another surface in surface is formed.
Please continue to refer to shown in Fig. 5 A, Fig. 5 B and Fig. 6 A, above-mentioned influent stream plate 31, resonance plate 32, piezoelectric actuator 33,
One insulating trip 34, conductive sheet 35 and the second insulating trip 36 sequentially stacked combination, wherein need shape between suspension board 33a and resonance plate 32
At a cavity space 37, cavity space 37 can be filled out by the gap between resonance plate 32 and the outline border 33b of piezoelectric actuator 33
A material is filled, such as: conducting resinl, but not limited to this, makes certain depth can be maintained with shape between resonance plate 32 and suspension board 33a
At cavity space 37, and then gas can be guided and more quickly flowed, and because suspension board 33a and resonance plate 32 keep suitable distance to make
The interference that is in contact with each other is reduced, and promotes noise generation that can be lowered, also can be piezoelectric actuated by increasing certainly in other embodiments
The outline border 33b height of device 33 is come the gap filling conducting resinl that decreases between resonance plate 32 and the outline border 33b of piezoelectric actuator 33
Thickness, with the cavity space 37 formed it into, such 3 overall structure of micropump in assembling when will not be because of the filling material of conducting resinl
Matter thickness can generate variation with hot pressing temperature and cooling temperature and influence indirectly, can avoid the filling material of conducting resinl because of heat expansion
Shrinkage factor influences the practical spacing in molding rear chamber space 37, and but not limited to this.
In addition, cavity space 37 will will affect the laser propagation effect of micropump 3, thus maintain a fixed cavity space 37 for
It is highly important that micropump 3, which provides stable efficiency of transmission, therefore as shown in Figure 6B, is implemented in other piezoelectric actuators 33
In example, suspension board 33a, which can be adopted, makes its distance that extends outwardly with stamping, and the distance that extends outwardly can be by forming in suspension board
At least bracket 33c adjustment between 33a and outline border 33b, makes the surface of the protrusion 33f on suspension board 33a and the table of outline border 33b
Both faces are non-co-planar, that is, the surface of protrusion 33f will be less than the surface of outline border 33b, and be used in outline border 33b assembles surface
The upper a small amount of filling material of coating, such as: conducting resinl makes piezoelectric actuator 33 fit in the fixed part of resonance plate 32 with hot pressing mode
32c, so that piezoelectric actuator 33 is able to assemble combination with resonance plate 32, so directly by by above-mentioned piezoelectric actuator 33
Suspension board 33a adopt with the stamping structural improvement for being constituted a cavity space 37, required cavity space 37 is able to pass through tune
The stamping distance of suspension board 33a of seamless electric actuator 33 is completed, and the structure of adjustment cavity space 37 is effectively simplified
The advantages that designing, while also reaching simplified processing procedure, shortening processing time.In addition, the first insulating trip 34, conductive sheet 35 and second are absolutely
Embolium 36 is all the slim sheet body of frame-type, is sequentially stacked in piezoelectric actuator 33 i.e. group 3 overall structure of composition micropump.
Flowing mode is made in the output that gas transport is provided to understand above-mentioned micropump 3, please continue to refer to Fig. 6 C to Fig. 6 E institute
Show, is please applied after driving voltage referring initially to Fig. 6 C, the piezoelectric element 33d of piezoelectric actuator 33 and generates deformation drive suspension board
33a is to bottom offset, and the volume of cavity space 37 is promoted at this time, in foring negative pressure in cavity space 37, just draws confluence chamber
Gas in 31c enters in cavity space 37, while resonance plate 32 is influenced to be synchronized by resonance principle to bottom offset, related
The volume of confluence chamber 31c is increased, and because the gas in confluence chamber 31c enters the relationship of cavity space 37, causes to converge
It is similarly negative pressure state in chamber 31c, and then confluence chamber is entered come draw gas by flow-in hole 31a, busbar channel 31b
In 31c;Referring again to Fig. 6 D, piezoelectric element 33d drives suspension board 33a to shift up, compression chamber space 37, likewise, altogether
Vibration piece 32 is suspended plate 33a and shifts up because of resonance, and the synchronous gas pushed in cavity space 37 is forced to pass through gap down
33e is transmitted downwards, to achieve the effect that transmit gas;Fig. 6 E is finally please referred to, when suspension board 33a is driven downwards, resonance
Piece 32 is also driven to bottom offset simultaneously, and resonance plate 32 at this time will make the gas in compression chamber space 37 to gap 33e
It is mobile, and promote the volume in confluence chamber 31c, allow gas can constantly by flow-in hole 31a, busbar channel 31b come
It converges in confluence chamber 31c, provides gas transport actuation by being repeated continuously micropump 3 shown in above-mentioned Fig. 6 C to Fig. 6 E
Step enables micropump 3 that gas is continuously guided into influent stream plate 31 and the production of the constituted runner of resonance plate 32 from flow-in hole 31a
Raw barometric gradient, then transmitted downwards by gap 33e, make gas flow at high rates, reaches the actuation behaviour that micropump 3 transmits gas output
Make.
Please continue to refer to Fig. 6 A, the influent stream plate 31 of micropump 3, resonance plate 32, piezoelectric actuator 33, the first insulating trip 34,
Conductive sheet 35 and the second insulating trip 36 all can make the volume-diminished of micropump 3 by micro electronmechanical face type micro-processing technology processing procedure,
To constitute the micropump 3 of a MEMS.
As shown in the above description, in the specific implementation, micropump 3 is driven a kind of detection of particulates module provided by this case
Gas outside attraction, guide base 1 is rapidly imported into sense channel 13, and gas passes through sense channel 13 and beam channel
14 quadrature positions, stimulated light device 23 irradiates and projects luminous point to particle sensor 22, contained in 22 detection gas of particle sensor
Suspended particulates size and concentration.The there is provided detection of particulates module of such this case can be applied and is assembled on portable electronic devices, with
Form mobile particle detection.Wherein portable apparatus is a mobile phone, a tablet computer, a wearable device and a notes
One of type computer.Or the provided detection of particulates module of this case can be using being assembled on wearing accessory, to form movable type
Particle detection.Wherein the wearing accessory is one of a pendant, a button, a glasses and a wrist-watch.
Certainly, the micropump of the provided detection of particulates module of this case can also be an air blast box-shaped in a further preferred embodiment
The micropump of formula implements gas transport, please refers to as shown in Fig. 4 B, Fig. 7 and Fig. 8 A, above-mentioned micropump 4 is carried on pedestal 1
Micropump supporting region 12 in, and cover air guide groove 121, micropump 4 includes the fumarole piece 41 sequentially stacked, cavity frame
Frame 42, actuation body 43, Insulating frame 44 and conductive frame 45.Wherein fumarole piece 41 contains multiple connector 41a, a suspension
A piece 41b and center hole 41c, the flexible vibration of suspension piece 41b, multiple connector 41a are adjacent to the periphery of suspension piece 41b,
In the present embodiment, its quantity of connector 41a be 4, be adjacent to 4 corners of suspension piece 41b respectively, but not this to be limited, and
Center hole 41c is formed in the center of suspension piece 41b;The carrying of chamber frame 42 is stacked and placed on suspension piece 41b, actuation body 43
Carrying is stacked and placed in chamber frame 42, and contains a piezoelectricity support plate 43a, an an adjustment sounding board 43b and piezoelectric board 43c,
In, piezoelectricity support plate 43a carrying is stacked and placed in chamber frame 42, and adjustment sounding board 43b carrying is stacked and placed on piezoelectricity support plate 43a, is pressed
Battery plate 43c carrying is stacked and placed on adjustment sounding board 43b, and deformation occurs after applying voltage to drive piezoelectricity support plate 43a and tune
Whole sounding board 43b carries out reciprocating bending vibration;Insulating frame 44 is then the piezoelectricity support plate 43a that carrying is stacked and placed on actuation body 43
On, the carrying of conductive frame 45 is stacked and placed on Insulating frame 44, wherein shape between actuation body 43, chamber frame 42 and suspension piece 41b
At a resonator chamber 46, wherein the thickness of adjustment sounding board 43b is greater than the thickness of piezoelectricity support plate 43a.
Fig. 8 A to Fig. 8 C is please referred to, micropump 4 is set on micropump supporting region 121 by connector 41a, fumarole piece
41 are arranged with the bottom surface interval of air guide groove 121, and in forming air-flow chamber 47 between the two;Referring again to Fig. 8 B, work as application
For voltage when the piezoelectric board 43c of actuation body 43, piezoelectric board 43c is because piezoelectric effect starts to generate deformation and drives adjustment resonance with portion
Plate 43b and piezoelectricity support plate 43a, at this point, fumarole piece 41 can be because of helmholtz resonance (Helmholtz resonance) principle one
It rises and is driven, so that actuation body 43 moves up, since actuation body 43 shifts up, so that fumarole piece 41 and air guide groove
The volume of air-flow chamber 47 between 121 bottom surface increases, and air pressure inside forms negative pressure, in the gas outside micropump 4 by because
Air-flow chamber 47 is entered by the gap between the connector 41a of fumarole piece 41 and the side wall of air guide groove 121 for barometric gradient
And carry out collection pressure;Fig. 6 C is finally please referred to, gas constantly enters in air-flow chamber 47, forms the air pressure in air-flow chamber 47
Positive pressure, at this point, actuation body 43 is moved down by voltage driving, the volume of compressed air stream chamber 47, and push air-flow chamber 47
Interior gas makes gas by the discharge of air exit 16 in outside pedestal 1, miniature shown in above-mentioned Fig. 8 B to Fig. 8 C by being repeated continuously
Pump 4 provides gas transport actuation step, enables micropump 4 continuously by gas by the connector 41a of fumarole piece 41 and air guide
Gap between the side wall of groove 121 enters air-flow chamber 47 and constitutes runner generation barometric gradient, makes gas flow at high rates, reaches
Micropump 4 transmits the actuation operation of gas output.
It please refers to shown in Fig. 8 A, above-mentioned micropump 4 can also be the micro-electro-mechanical systems produced by way of micro electronmechanical processing procedure
System gas pump, wherein fumarole piece 41, chamber frame 42, actuation body 43, Insulating frame 44 and conductive frame 45 all can pass through logical
It crosses face type micro-processing technology to be made, to reduce the volume of micropump 4.
In conclusion detection of particulates module provided by this case is matched using the sense channel and beam channel of slim pedestal
The laser and particle sensor for setting detection and localization component pass through sense channel and beam channel quadrature position wherein, with detection
Gas in contained suspended particulates size and concentration, and using micropump by gas outside pedestal quickly draw into sense channel with
The concentration of suspended particulates in detection gas, and the present apparatus is very suitable to apply, is assembled in portable electronic devices and wearing accessory
On, to form mobile particle detection, for user can monitor anywhere or anytime arround aerosol concentration, great production
Industry usability and progressive.
[symbol description]
1: pedestal
1a: first surface
1b: second surface
11: detection part supporting region
12: micropump supporting region
121: air guide groove
13: sense channel
14: beam channel
15: air inlet
16: air exit
2: detection part
21: detection drive circuit board
22: particle sensor
23: laser
231: light-seeking component
232: laser emitting elements
24: microprocessor
3: micropump
31: influent stream plate
31a: flow-in hole
31b: busbar channel
31c: confluence chamber
32: resonance plate
32a: hollow hole
32b: movable part
32c: fixed part
33: piezoelectric actuator
33a: suspension board
33b: outline border
33c: bracket
33d: piezoelectric element
33e: gap
33f: protrusion
34: the first insulating trips
35: conductive sheet
36: the second insulating trips
37: cavity space
4: micropump
41: fumarole piece
41a: connector
41b: suspension piece
41c: center hole
42: chamber frame
43: actuation body
43a: piezoelectricity support plate
43b: adjustment sounding board
43c: piezoelectric board
44: Insulating frame
45: conductive frame
46: resonator chamber
47: air-flow chamber
5: insulating sheet member
6: pedestal outer cover plate
61: air inlet
62: air exit
H: height
L: length
W: width
Claims (23)
1. a kind of detection of particulates module, characterized by comprising:
One pedestal has a length, a width and a height, which is 10~60mm, which is 10~50mm, the height
For 1~7mm, inside has a detection part supporting region, a micropump supporting region, a sense channel and a beam channel, this is micro-
Type, which pumps supporting region, has an air guide groove, which be connected to the sense channel, the detection part supporting region and this
Beam channel connection, and sense channel setting orthogonal with the beam channel;
One detection part, includes a laser and a particle sensor, and the detection part which is set to the pedestal is held
Qu Dingwei is carried, and light beam can be emitted and be projeced into the beam channel, which is correspondingly arranged the sense channel and is somebody's turn to do
Beam channel quadrature position;And
One micropump is carried in the micropump supporting region of the pedestal, and covers the air guide groove;
Wherein, which is driven attraction, the gas outside the pedestal is guided to quickly introduce in the sense channel, the gas
By the sense channel and the beam channel quadrature position, luminous point is projected by the laser illumination to the particle sensor, is somebody's turn to do
Particle sensor detects contained suspended particulates size and concentration in the gas.
2. detection of particulates module as described in claim 1, which is characterized in that the length of the pedestal is 34~36mm.
3. detection of particulates module as described in claim 1, which is characterized in that the width of the pedestal is 29~31mm.
4. detection of particulates module as described in claim 1, which is characterized in that the height of the pedestal is 4.5~5.5mm.
5. detection of particulates module as described in claim 1, which is characterized in that the particle sensor is PM2.5 sensor.
6. detection of particulates module as described in claim 1, which is characterized in that the pedestal has a first surface and one second table
Face, the micropump supporting region are set to the first surface, the detection part supporting region, the sense channel and beam channel perforation
There is an air inlet and an air exit, the air inlet on the first surface and the second surface and the pedestal side
It is connected to the sense channel, which is connected to the air guide groove, which is driven attraction, guides outside the pedestal
The gas quickly imported in the sense channel by the air inlet, and pass through the sense channel and the beam channel quadrature position
Afterwards, it enters back into the air guide groove and is discharged by the air exit in outside the pedestal.
7. detection of particulates module as claimed in claim 6, which is characterized in that the detection part has further included detection driving electricity
Road plate and a microprocessor, the laser and the particle sensor are packaged on the detection drive circuit board, and the detection drives
Circuit board is covered on the second surface of the pedestal, and is correspondingly arranged in the laser in the detection part supporting region, with
And the particle sensor is correspondingly arranged the sense channel and the beam channel quadrature position, and the microprocessor package is in the inspection
It surveys on drive circuit board, to control the driving of the laser and the particle sensor, laser transmitting light beam is made to be irradiated in this
In beam channel, and pass through the gas of the sense channel and the beam channel quadrature position, and the gas is made to generate projection light
Point is projeced into the particle sensor, which detects contained suspended particulates size and concentration in the gas, and exports inspection
Signal is surveyed, and the microprocessor receives the detection signal that the particle sensor is exported and is analyzed, to export detection data.
8. detection of particulates module as claimed in claim 7, which is characterized in that further included an insulating sheet member, be covered in the base
On the first surface of seat, import the gas outside the pedestal in the sense channel by the air inlet, then micro- by this
Type pumps the air guide groove of supporting region, then by air exit discharge in outside the pedestal, to form an air guide path.
9. detection of particulates module as claimed in claim 8, which is characterized in that further include a pedestal outer cover plate, bearing
In the first surface for closing the pedestal on the insulating sheet member, to form electronic interferences protective action, the pedestal outer cover plate pair
Also there is an air inlet to be corresponded to connection for the air inlet position that the pedestal should be arrived, which corresponds to this
Also there is an air exit to be corresponded to connection for the air exit position of pedestal.
10. detection of particulates module as claimed in claim 7, which is characterized in that the laser includes a light-seeking component and one
Laser emitting elements, light-seeking component setting is positioned on the detection drive circuit board, and laser emitting elements insertion is set
It is placed in the light-seeking component, and is electrically connected the detection drive circuit board, to be controlled driving by the microprocessor, and emit light
Beam is irradiated in the beam channel.
11. detection of particulates module as described in claim 1, which is characterized in that the micropump includes:
One influent stream plate has an at least flow-in hole, at least a busbar channel and a confluence chamber, and wherein the flow-in hole is provided with importing
The gas, the flow-in hole is corresponding to penetrate through the busbar channel, and the busbar channel is flowed to the confluence chamber, leads the flow-in hole
The gas entered is able to converge into the confluence chamber;
One resonance plate is engaged on the influent stream plate, has a hollow hole, a movable part and a fixed part, which is located at should
At resonance plate center, and corresponding with the confluence chamber of the influent stream plate, and the movable part is set to around the hollow hole and with this
The opposite region of confluence chamber, and the fixed part is set to the outer peripheral edge portion of the resonance plate and is posted solid on the influent stream plate;With
And
One piezoelectric actuator is engaged in corresponding setting on the resonance plate;
Wherein, there is a cavity space, to make when the piezoelectric actuator is driven between the resonance plate and the piezoelectric actuator
The gas is imported by the flow-in hole of the influent stream plate, is collected in the confluence chamber through the busbar channel, is passed through the resonance plate
The hollow hole, the resonance transfer gas is generated by the movable part of the piezoelectric actuator and the resonance plate.
12. detection of particulates module as claimed in claim 11, which is characterized in that the piezoelectric actuator includes:
One suspension board has a square kenel, flexible vibration;
One outline border, around the outside for being set to the suspension board;
An at least bracket is connected between the suspension board and the outline border, to provide suspension board resilient support;And
One piezoelectric element has a side length, which is less than or equal to a side length of the suspension board, and the piezoelectric element is attached at
On one surface of the suspension board, to apply voltage to drive the suspension board bending vibration.
13. detection of particulates module as claimed in claim 11, which is characterized in that the micropump further includes one first insulation
Piece, a conductive sheet and one second insulating trip, wherein the influent stream plate, the resonance plate, the piezoelectric actuator, first insulating trip, should
Conductive sheet and second insulating trip are sequentially stacked in conjunction with setting.
14. detection of particulates module as claimed in claim 12, which is characterized in that the suspension board includes a protrusion, is set to this
Suspension board attaches opposite another surface on the surface of the piezoelectric element.
15. detection of particulates module as claimed in claim 14, which is characterized in that the protrusion be with etch process produce one at
Shape protrudes from the convex architecture on opposite another surface on the surface that the suspension board attaches the piezoelectric element.
16. detection of particulates module as claimed in claim 11, which is characterized in that the piezoelectric actuator includes:
One suspension board has a square kenel, flexible vibration;
One outline border, around the outside for being set to the suspension board;
An at least bracket, joint forming is between the suspension board and the outline border, to provide suspension board resilient support, and keeps this outstanding
One surface of kickboard and a surface of the outline border are formed as non-co-planar structure, and make a surface and the resonance plate of the suspension board
Keep a cavity space;And
One piezoelectric element has a side length, which is less than or equal to a side length of the suspension board, and the piezoelectric element is attached at
On one surface of the suspension board, to apply voltage to drive the suspension board bending vibration.
17. detection of particulates module as described in claim 1, which is characterized in that the micropump includes:
One fumarole piece, includes multiple connectors, a suspension piece and a center hole, and the flexible vibration of suspension piece is multiple
Connector is adjacent to the suspension piece periphery and flexibly supports the suspension piece, and the center hole is formed in the centre bit of the suspension piece
It sets, which is set to above the air guide groove of the micropump supporting region of the pedestal by multiple connector, and
An air-flow chamber is formed between the air guide groove, and an at least gap is formed between multiple bracket and the suspension piece;
One chamber frame, carrying are stacked and placed on the suspension on piece;
One actuation body, carrying are stacked and placed in the chamber frame, generate reciprocally bending vibration to receive voltage;
One Insulating frame, carrying are stacked and placed in the actuation body;And
One conductive frame, carrying is folded to be set on the Insulating frame;
Wherein, a resonator chamber is formed between the actuation body, the chamber frame and the suspension piece, by driving the actuation body with band
It moves the fumarole piece and generates resonance, the suspension piece of the fumarole piece is made to generate reciprocally vibration displacement, so that the gas is logical
An at least gap is crossed into the air-flow chamber, realizes the transport flow of the gas.
18. detection of particulates module as claimed in claim 17, which is characterized in that the actuation body includes:
One piezoelectricity support plate, carrying are stacked and placed in the chamber frame;
One adjustment sounding board, carrying are stacked and placed on the piezoelectricity support plate;And
One piezoelectric board, carrying are stacked and placed on the adjustment sounding board, and the piezoelectricity support plate and the adjustment is driven to resonate to receive voltage
Plate generates reciprocally bending vibration.
19. detection of particulates module as described in claim 1, which is characterized in that the micropump is the miniature of a MEMS
Pump.
20. detection of particulates module as described in claim 1, which is characterized in that the detection of particulates module application is assembled in one can
On portable electronic apparatus, to form mobile particle detection.
21. detection of particulates module as claimed in claim 20, which is characterized in that the portable apparatus is a mobile phone, a plate
One of computer, a wearable device and a notebook computer.
22. detection of particulates module as described in claim 1, which is characterized in that the detection of particulates module application is assembled in one and wears
It wears on accessory, to form mobile particle detection.
23. detection of particulates module as claimed in claim 22, which is characterized in that the wearing accessory is a pendant, a button, one
One of glasses and a wrist-watch.
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CN201821411839.4U CN209069776U (en) | 2018-08-30 | 2018-08-30 | Detection of particulates module |
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Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
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CN110873685A (en) * | 2018-08-30 | 2020-03-10 | 研能科技股份有限公司 | Particle detection module |
CN112773344A (en) * | 2019-11-07 | 2021-05-11 | 研能科技股份有限公司 | Blood pressure measuring module |
CN113002275A (en) * | 2019-12-20 | 2021-06-22 | 研能科技股份有限公司 | Gas detection and purification device |
CN113137689A (en) * | 2020-01-16 | 2021-07-20 | 研能科技股份有限公司 | Gas detection and purification device |
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2018
- 2018-08-30 CN CN201821411839.4U patent/CN209069776U/en active Active
Cited By (8)
Publication number | Priority date | Publication date | Assignee | Title |
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CN110873685A (en) * | 2018-08-30 | 2020-03-10 | 研能科技股份有限公司 | Particle detection module |
CN110873685B (en) * | 2018-08-30 | 2023-12-22 | 研能科技股份有限公司 | Particle detection module |
CN112773344A (en) * | 2019-11-07 | 2021-05-11 | 研能科技股份有限公司 | Blood pressure measuring module |
CN112773344B (en) * | 2019-11-07 | 2023-09-01 | 研能科技股份有限公司 | Blood pressure measuring module |
CN113002275A (en) * | 2019-12-20 | 2021-06-22 | 研能科技股份有限公司 | Gas detection and purification device |
CN113002275B (en) * | 2019-12-20 | 2023-09-22 | 研能科技股份有限公司 | Gas detection and purification device |
CN113137689A (en) * | 2020-01-16 | 2021-07-20 | 研能科技股份有限公司 | Gas detection and purification device |
CN113137689B (en) * | 2020-01-16 | 2024-03-08 | 研能科技股份有限公司 | Gas detection and purification device |
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