CN206258336U - A kind of oscillating balance full-automatic switch cavity - Google Patents
A kind of oscillating balance full-automatic switch cavity Download PDFInfo
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- CN206258336U CN206258336U CN201621337040.6U CN201621337040U CN206258336U CN 206258336 U CN206258336 U CN 206258336U CN 201621337040 U CN201621337040 U CN 201621337040U CN 206258336 U CN206258336 U CN 206258336U
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- cavity
- end cover
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- guide rail
- chamber body
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Abstract
The utility model discloses a kind of oscillating balance full-automatic switch cavity, including incubation cavity, the front of the incubation cavity is provided with open and close door, the surface of the open and close door is provided with small window, the inner chamber of the incubation cavity is provided with main cavity, upper end cover is connected with the top of main chamber body, the both sides of the upper end cover are respectively connected with support bar, range finder module is installed on the upper end cover, the bottom of side is provided with bottom end cover in main chamber body, the bottom of main chamber body is connected with fastener, core oscillating unit is housed between the fastener and main cavity, in main chamber body guide rail is provided with the left of portion, linear bearing is connected with the inside of the guide rail, the bottom of the guide rail is connected with fixed plate, the screw mandrel middle part with screw mandrel stepper motor is connected by nut with main cavity, the bottom of the incubation cavity is connected with control board.The utility model possesses the advantage that cavity is opened in automation, the influence caused to cavity working temperature environment when solving filter membrane replacing.
Description
Technical field
The utility model is related to technical field of environmental detection, specially a kind of oscillating balance full-automatic switch cavity.
Background technology
Particulate matter is one of major pollutants in air.The wherein less particulate matter of particle diameter, particularly particle diameter≤2.5 μm
Particle be rich in substantial amounts of poisonous and harmful substances, and residence time in an atmosphere is long, the unit that fed distance is far atmosphere pollution
It is fierce.These particulate matters can disturb the gas exchanges of lung, trigger the disease including aspects such as asthma, bronchitis and cardiovascular diseases
Disease.
Various, conventional methods have been developed to the detection of finely ground particles in air and analysis method at present has manually
Filter membrane weight method, light scattering method, piezo-electric crystal method, β ray methods and oscillating balance method.Wherein oscillating balance method can be to air
Grain thing carry out real-time monitoring and certainty of measurement is high, strong environmental adaptability the features such as be widely used in environmental monitoring.
Oscillating balance method measures the precision of particle concentration from the stability of oscillating balance cavity temperature and in real time
Even property；Need to regularly replace filter membrane during the method measurement particle concentration simultaneously, how to be realized to cavity temperature in Renewal process
Fluctuation it is minimum；The automation that cavity is switched is kept to be more beneficial for the use of operating personnel again；Finally when exception occurs in cavity
Can be by related APP Realtime Alerts.
Oscillating balance method, it is necessary to open cavity, changes filter membrane after the concentration of measurement particulate matter, and current oscillating balance method is not
Opening and closing cavity can be automated, measurement efficiency can be reduced when changing filter membrane, so as to influence the detection of granule density.
Utility model content
The purpose of this utility model is to provide a kind of oscillating balance full-automatic switch cavity, possesses automation and opens cavity
Advantage, solve temperature environment during filter membrane replacing and recover slow shortcoming.
To achieve the above object, the utility model provides a kind of oscillating balance full-automatic switch cavity, including incubation cavity, institute
The front for stating incubation cavity is provided with open and close door, and the surface of the open and close door is provided with small window, and the inner chamber of the incubation cavity is provided with main cavity,
Upper end cover is connected with the top of main chamber body, the surface at the top of the upper end cover is provided with range finder module, the two of the upper end cover
Side is respectively connected with support bar, and the bottom of side is provided with bottom end cover in main chamber body, and main chamber body bottom is connected with fastener,
Core oscillating unit is connected with the top of the fastener, guide rail is provided with main chamber body on the left of portion, the guide rail
Inner side is connected with linear bearing, and the top of the guide rail is connected with upper end cover, and the bottom of the guide rail is connected with fixed plate,
Right side inside the fixed plate through being connected with band screw mandrel stepper motor, it is described with screw mandrel stepper motor through main cavity simultaneously
Epicoele is extended to, the screw mandrel middle part with screw mandrel stepper motor is connected by nut with main cavity, and main chamber body signal connects
It is connected to control board.
Preferably, the guide rail runs through main cavity and extends to the inner side of upper end cover.
Preferably, the range finder module is located at the surface at the top of upper end cover.
Preferably, the surface of the upper end cover is provided with upper limit position switch, and the left side at the top of the fixed plate is provided with lower limit
Switch.
Preferably, the core oscillating unit is located in the inner chamber that main cavity and bottom end cover are formed.
Preferably, the support bar is located at the both sides of main cavity, and the both sides of the fixed plate connect with the inside of support bar
Connect.
Preferably, main cavity, upper end cover and bottom end cover are respectively provided with heating apparatus and temperature measuring equipment, and the heating apparatus
It is connected with control board signal with temperature measuring equipment, for keeping the temperature environment in main cavity.
Compared with prior art, the beneficial effects of the utility model are as follows：
1st, the utility model using cooperatively by core oscillating unit and fastener so that core oscillating unit passes through
When fastener is fixed on bottom end cover, fastener and bottom end cover ensure that the stability of core oscillating unit temperature, so that
The effect of granule density detection is improved, by using cooperatively with screw mandrel stepper motor and linear bearing so that with screw mandrel stepping
When rotating, band screw mandrel stepper motor can drive bottom end cover to move down to motor, so as to realize that main cavity can be automatically opened up
With the effect closed, by the use of open and close door on incubation cavity and small window so that open and close door can reduce temperature in cavity with small window
The fluctuation of degree, so as to improve the effect after changing filter membrane.
2nd, the utility model is by the use with screw mandrel stepper motor and fixed plate so that band screw mandrel stepper motor can be carried
For constant pressure, so that the stability in cavity running is further improved, by the use of control board so that chamber
When breaking down, control board can send fault code signal to body, so as to overcome traditional oscillating balance to need operation
The process of personnel's walkaround inspection.
3rd, by different control algolithm use in conjunction, and parameter Reasonable adjustment, effectively improve opening main cavity more
Change the fast quick-recovery of the later system operating temperatures environment of filter membrane.
Brief description of the drawings
Fig. 1 is the utility model structural representation；
Fig. 2 is the utility model internal structure schematic diagram.
In figure：1 incubation cavity, 2 open and close doors, 3 small windows, 4 main cavities, 5 upper end covers, 6 range finder modules, 7 support bars, 8 bottom end covers,
9 fasteners, 10 core oscillating units, 11 guide rails, 12 linear bearings, 13 fixed plates, 14 band screw mandrel stepper motors, 15 nuts,
16 control boards, 17 upper limit position switch, 18 lower position switch.
Specific embodiment
Below in conjunction with the accompanying drawing in the utility model embodiment, the technical scheme in the utility model embodiment is carried out
Clearly and completely describe, it is clear that described embodiment is only a part of embodiment of the utility model, rather than whole
Embodiment.Based on the embodiment in the utility model, those of ordinary skill in the art are not under the premise of creative work is made
The every other embodiment for being obtained, belongs to the scope of the utility model protection.
Fig. 1-2 is referred to, the utility model provides a kind of technical scheme：A kind of oscillating balance full-automatic switch cavity, bag
Incubation cavity 1 is included, the front of incubation cavity 1 is provided with open and close door 2, and the surface of open and close door 2 is provided with small window 3, by open and close door on incubation cavity 1
2 can effectively reduce the fluctuation of main chamber temperature with the use of small window 3, so as to improve main cavity working temperature environment after replacing filter membrane
Fast quick-recovery, the inner chamber of incubation cavity 1 is provided with main cavity 4, and the top of main cavity 4 is connected with upper end cover 5, the top of upper end cover 5
Surface is provided with range finder module 6, and on upper end cover 5, the both sides of upper end cover 5 are respectively connected with support bar 7, two branch to range finder module 6
Strut 7 is located at the both sides of main cavity 4, by the use of support bar 7 so that two support bars 7 are by upper end cover 5 and fixed plate 13
Constitute the frame structure of main cavity 4, the inner side of the both sides of fixed plate 13 with support bar 7 is connected, the bottom of the inner side of main cavity 4
Bottom end cover 8 is provided with, the bottom of main cavity 4 is connected with fastener 9, and the top of fastener 9 is connected with core oscillating unit 10, core
Heart oscillating unit 10 is located in the inner chamber that main cavity 4 and bottom end cover 8 are formed, and the inner chamber that main cavity 4 and bottom end cover 8 are constituted can be protected
The stability of the temperature of card core oscillating unit 10, so as to improve the effect of granule density detection, the left side inside main cavity 4 is provided with
Guide rail 11, the inner side of guide rail 11 is connected with linear bearing 12, and guide rail 11 is through main cavity 4 and extends to the interior of upper end cover 5
Side, the top of guide rail 11 is connected with upper end cover 5, and the bottom of guide rail 11 is connected with fixed plate 13, and the surface of upper end cover 5 is provided with the upper limit
Bit switch 17, the left side at the top of fixed plate 13 is provided with lower position switch 18, and right side fixed plate 13 inside is through being connected with silk
Bar stepper motor 14, by using cooperatively with screw mandrel stepper motor 14 and guide rail 11 so that band screw mandrel stepper motor 14 is turning
Main cavity 4 is driven freely up and down to move when dynamic, so as to realize the effect that main cavity 4 can be automatically opened up and closed, by band silk
The use of bar stepper motor 14 and fixed plate 13 so that constant pressure can be provided with screw mandrel stepper motor 14, so as to enter one
Step improves the stability in cavity running, with screw mandrel stepper motor 14 is through main cavity 4 and extends to epicoele, band screw mandrel
The screw mandrel middle part of stepper motor 14 is connected by nut 15 with main cavity 4, and the signal of main cavity 4 is connected with control board 16, leads to
Cross the use of control board 16 so that when breaking down, control board 16 can send fault code signal to cavity, from
And overcoming traditional oscillating balance to need the process of operating personnel's walkaround inspection, circuit control panel 16 can also be external.
Main cavity 4, upper end cover 5 and bottom end cover 8 are respectively provided with heating apparatus and temperature measuring equipment, and the heating apparatus and survey
Warm device is connected with the signal of control board 16, for keeping the temperature environment in main cavity 4.
During control, comprise the following steps：
S1, order when the main cavity 4 of opening for receiving the transmission of control board 16, band screw mandrel stepper motor 14 is slow by screw mandrel
It is slow to drive main cavity 4 to move down, spacing of the now monitoring of range finder module 6 main cavity 4 away from upper end cover 5, when setting spacing is reached
Wait, system sends signal and reminds operating personnel to change filter membrane；
S2, operating personnel open the small window 3 on open and close door 2, change filter membrane；
S3, system send the instruction for closing main cavity 4, and band screw mandrel stepper motor 14 slowly drives main cavity 4 by screw mandrel
Upper shifting, until encountering upper limit position switch 17 untill.
In the step S2, by the calculating of switch time and external temperature, the heating power after main cavity 4 is opened in estimation
P, to ensure the stability of temperature during changing filter membrane, the computational methods of heating power P are：
P=P0+a*l*(T0-T)+b*l2*(T0-T)-c*(T'-T0),
Wherein:P0It is heating power of the stabilization when the main cavity 4 of design temperature is closed；L is that main cavity 4 opens distance
Size；A, b, c are undetermined coefficient；T0It is the design temperature of main cavity 4, T is current room temperature, and T' is the actual measurement of main cavity 4
Temperature；
The temperature of main cavity 4 uses PID control during due to closure, when the opening order of main cavity 4 is received, first protects
Deposit p, i and d value and the deviation e0 at current time, the deviation e1 and integral result of previous moment that closure dynamic control is obtained
InSum；Then the size l that main cavity 4 opens distance is obtained by range finder module；The room temperature T for reentrying current, design temperature T0
With the temperature T' of the actual measurement of main cavity 4, and the heating power P that should be currently provided according to the calculating of above-mentioned computational methods；Finally, when
Main cavity 4 close after, postpone a period of time t after reconvert to main cavity 4 close when temperature control scheme, and recover originally preservation
Parameter p, i, d, e0, e1 and InSum.
When cavity breaks down, the mixed-media network modules mixed-media in control board 16 sends failure code to the mobile phone of operating personnel
Signal.
When cavity switch exceedes setting time, remind operator whether check and correction temperature environment is destroyed.
In sum, the oscillating balance full-automatic switch cavity, by the use with screw mandrel stepper motor 14, solves filter
The influence that film is caused when changing to cavity working temperature environment.
It should be noted that herein, such as first and second or the like relational terms are used merely to a reality
Body or operation make a distinction with another entity or operation, and not necessarily require or imply these entities or deposited between operating
In any this actual relation or order.And, term " including ", "comprising" or its any other variant be intended to
Nonexcludability is included, so that process, method, article or equipment including a series of key elements not only will including those
Element, but also other key elements including being not expressly set out, or also include being this process, method, article or equipment
Intrinsic key element.In the absence of more restrictions, by sentence " including one ... the key element for limiting, it is not excluded that
Also there is other identical element in process, method, article or equipment including the key element ".
While there has been shown and described that embodiment of the present utility model, for the ordinary skill in the art,
It is appreciated that these embodiments can be carried out various changes in the case where principle of the present utility model and spirit is not departed from, repaiies
Change, replace and modification, scope of the present utility model is defined by the appended claims and the equivalents thereof.
Claims (6)
1. a kind of oscillating balance full-automatic switch cavity, including incubation cavity (1), it is characterised in that：The front of the incubation cavity (1)
Open and close door (2) is provided with, the surface of the open and close door (2) is provided with small window (3), and the inner chamber of the incubation cavity (1) is provided with main cavity
(4) upper end cover (5), is connected with the top of main chamber body (4), the surface at the top of the upper end cover (5) is provided with range finder module
(6), the both sides of the upper end cover (5) are respectively connected with support bar (7), and the bottom on the inside of main chamber body (4) is provided with bottom end cover
(8), main chamber body (4) bottom is connected with fastener (9), core vibration is connected with the top of the fastener (9) single
First (10), the internal left side of main chamber body (4) is provided with guide rail (11), and the guide rail (11) is connected with linear bearing
(12), the top of the guide rail (11) is connected with upper end cover (5), and the bottom of the guide rail (11) is connected with fixed plate (13), institute
The internal right side of fixed plate (13) is stated through being connected with band screw mandrel stepper motor (14), the passing through with screw mandrel stepper motor (14)
Wear main cavity (4) and extend to upper end cover (5), the screw mandrel middle part with screw mandrel stepper motor (14) is by nut (15) and master
Cavity (4) is connected, and main chamber body (4) signal is connected with control board (16).
2. a kind of oscillating balance full-automatic switch cavity according to claim 1, it is characterised in that：The guide rail (11) is passed through
Wear main cavity (4) and extend to the inner side of upper end cover (5).
3. a kind of oscillating balance full-automatic switch cavity according to claim 1, it is characterised in that：The range finder module
(6) on upper end cover (5).
4. a kind of oscillating balance full-automatic switch cavity according to claim 1, it is characterised in that：The upper end cover (5)
Surface be provided with upper limit position switch (17), the left side at the top of the fixed plate (13) is provided with lower position switch (18).
5. a kind of oscillating balance full-automatic switch cavity according to claim 1, it is characterised in that：The core vibration is single
In the inner chamber that first (10) are formed positioned at main cavity (4) and bottom end cover (8).
6. a kind of oscillating balance full-automatic switch cavity according to claim 1, it is characterised in that：Two support bars
(7) positioned at the both sides of main cavity (4), the inner side of the both sides of the fixed plate (13) with support bar (7) is connected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621337040.6U CN206258336U (en) | 2016-12-07 | 2016-12-07 | A kind of oscillating balance full-automatic switch cavity |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621337040.6U CN206258336U (en) | 2016-12-07 | 2016-12-07 | A kind of oscillating balance full-automatic switch cavity |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206258336U true CN206258336U (en) | 2017-06-16 |
Family
ID=59028173
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621337040.6U Active CN206258336U (en) | 2016-12-07 | 2016-12-07 | A kind of oscillating balance full-automatic switch cavity |
Country Status (1)
| Country | Link |
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| CN (1) | CN206258336U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106442199A (en) * | 2016-12-07 | 2017-02-22 | 昆山禾信质谱技术有限公司 | Full-automatically-opened and closed cavity of oscillation balance, and control method of full-automatically-opened and closed cavity |
-
2016
- 2016-12-07 CN CN201621337040.6U patent/CN206258336U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106442199A (en) * | 2016-12-07 | 2017-02-22 | 昆山禾信质谱技术有限公司 | Full-automatically-opened and closed cavity of oscillation balance, and control method of full-automatically-opened and closed cavity |
| CN106442199B (en) * | 2016-12-07 | 2022-03-08 | 昆山禾信质谱技术有限公司 | Full-automatic switch cavity of oscillating balance and control method |
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