CN109752036A - A kind of dust-proof anti-condensation sensor - Google Patents
A kind of dust-proof anti-condensation sensor Download PDFInfo
- Publication number
- CN109752036A CN109752036A CN201910164898.9A CN201910164898A CN109752036A CN 109752036 A CN109752036 A CN 109752036A CN 201910164898 A CN201910164898 A CN 201910164898A CN 109752036 A CN109752036 A CN 109752036A
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- China
- Prior art keywords
- dust
- shell
- circuit board
- condensation sensor
- proof anti
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 238000009833 condensation Methods 0.000 title claims abstract description 24
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 claims abstract description 32
- 238000010438 heat treatment Methods 0.000 claims abstract description 17
- 229910002092 carbon dioxide Inorganic materials 0.000 claims abstract description 16
- 239000001569 carbon dioxide Substances 0.000 claims abstract description 16
- 238000001514 detection method Methods 0.000 claims abstract description 14
- 239000000523 sample Substances 0.000 claims abstract description 9
- 238000009434 installation Methods 0.000 claims description 13
- 238000003825 pressing Methods 0.000 claims description 12
- 238000004891 communication Methods 0.000 claims description 5
- 230000002265 prevention Effects 0.000 claims description 5
- 238000007664 blowing Methods 0.000 claims description 3
- 239000000919 ceramic Substances 0.000 claims description 3
- 238000000034 method Methods 0.000 claims description 3
- 230000005611 electricity Effects 0.000 claims description 2
- 208000025274 Lightning injury Diseases 0.000 claims 1
- 238000007689 inspection Methods 0.000 claims 1
- 239000000428 dust Substances 0.000 abstract description 13
- 230000000694 effects Effects 0.000 abstract description 12
- 230000005494 condensation Effects 0.000 abstract description 6
- 238000007791 dehumidification Methods 0.000 abstract description 3
- 239000002245 particle Substances 0.000 abstract description 2
- 238000010586 diagram Methods 0.000 description 5
- 244000144972 livestock Species 0.000 description 5
- 238000013461 design Methods 0.000 description 3
- 230000008901 benefit Effects 0.000 description 2
- 238000004886 process control Methods 0.000 description 2
- 206010037660 Pyrexia Diseases 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000006978 adaptation Effects 0.000 description 1
- 238000004026 adhesive bonding Methods 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 235000013399 edible fruits Nutrition 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 230000008054 signal transmission Effects 0.000 description 1
Abstract
The invention discloses a kind of dust-proof anti-condensation sensors, sensor device technical field, including shell and shell intracorporal circuit board are connected with detection probe and microcontroller on circuit board, it is equipped with dustproof filter screen at the air ports of shell, is connected with heating sheet on circuit board.Heating sheet in the present invention plays the role of heating and dehumidification, prevent moisture condensation from influencing the reliability of carbon dioxide sensor, solves existing sensor in use, because of internal condensation, influence measuring accuracy problem, high reliablity, the setting of dustproof filter screen, outer boundry particle, dust can be prevented to enter in shell, play dust-proof effect.
Description
Technical field
The invention belongs to sensor device technical fields, and in particular to a kind of dust-proof anti-condensation sensor.
Background technique
Carbon dioxide detection is extremely important in livestock application, since the carbon dioxide sensor of livestock uses
Bad environments, high humidity, more dust, in view of the special environment of livestock, also, the carbon dioxide sensor of livestock requires
High reliability, but existing sensor can generate moisture condensation and become unreliable because ambient humidity changes, and lead to common, function
The single carbon dioxide sensor of energy is not able to satisfy livestock demand.
Summary of the invention
The purpose of the present invention is to provide a kind of dust-proof anti-condensation sensors that acquisition data reliability is high.
Based on object above, the present invention takes following technical scheme: a kind of dust-proof anti-condensation sensor, including shell and shell
Intracorporal circuit board is connected with detection probe and microcontroller on the circuit board, is equipped at the air ports of the shell
Dustproof filter screen is connected with heating sheet on the circuit board.
Preferably, the axial flow blower of portion's blowing from the inside is additionally provided in the shell, the axial flow blower passes through wind
Machine mounting base is mounted in shell.
Preferably, vibrating motor is equipped between the axial flow blower and dustproof filter screen, the vibrating motor is pacified by motor
Dress seat is mounted in shell, and the vibration head of vibrating motor is connect with dustproof filter screen, is shaken with band electric filter.
Preferably, the shell is hollow cylinder structure, and shell one end is equipped with first that supply lines and communication cable pass through
Opening, the shell other end are equipped with the second opening passed in and out for air, and the dustproof filter screen is arranged in the second opening.
Preferably, second opening is equipped with the first boss for installing tabletting, and inner walls are circumferentially evenly equipped with more
A limited post, limited post is close to the end face of one end of the second opening and first boss close to the in same level, limited post
One end of two openings are equipped with the first mounting hole, and the tabletting is equipped with the second mounting hole for be adapted to the first mounting hole, tabletting and
Limited post is bolted；The inner walls are circumferentially evenly equipped with multiple support columns for being used to support circuit board, support column
Height is lower than the height of limited post.
Preferably, the limited post is two, and two limited posts are symmetrical arranged；The support column is four, four supports
Column symmetry is arranged between two limited posts.
Preferably, the assembling seat includes the first installation room for fixing axial flow blower, assembling seat outer wall
Two sides are symmetrically arranged with a pair of first sliding groove be adapted to limited post, be additionally provided on assembling seat extend downwardly to be used for pressing electric
The pressing plate of road plate.
Preferably, the motor mount includes the second installation room for fixing vibrating motor, motor mount outer wall
Two sides are symmetrically arranged with a pair of second sliding slot being adapted to limited post, and motor mount is convex equipped with second close to one end of the second opening
Platform, the dustproof filter screen ride upon in second boss.
It preferably, include reverse connection prevention protection circuit and lightning Protection circuit, the counnter attack in the circuit on the circuit board
Connecing protection circuit includes anti-reverse chip, and the lightning Protection circuit includes anti-lightning strike chip.
Preferably, the detection probe is carbon dioxide detection probe, and the heating sheet is ceramic heating flake.
Compared with prior art, the invention has the benefit that
1, the heating sheet in the present invention plays the role of heating and dehumidification, prevents moisture condensation from influencing the reliability of carbon dioxide sensor,
It solves existing sensor in use, because of internal condensation, influences measuring accuracy problem, high reliablity.Dustproof filter screen
Setting, outer boundry particle, dust can be prevented to enter in shell, expect dust-proof effect.
2, the setting of the axial flow blower in the present invention, daily time opening a few minutes are (by microcontroller program control
System), it dries from enclosure interior to outside, on the one hand accelerates air circulation, on the other hand the dust being attached on dustproof filter screen
It blows off, plays the effect of blower dedusting, good dedusting effect.
3, a vibrating motor, daily timing vibrating a few minutes are placed in place of the present invention on dustproof filter screen close to strainer
(by microcontroller process control) falls the dust vibration being attached on dustproof filter screen, plays the effect of vibration dedusting daily
Fruit further increases dust removing effects, and dust is avoided to enter in shell, influences measurement accuracy.
4, the tabletting in the present invention is connect by bolt with shell, this kind of connection type, structure is simple, convenient for quickly assembling
Disassembly, assembly and disassembly are easy to operate.Support column in the present invention plays the role of supporting limiting circuit plate, the limit in the present invention
Column can play preferable guiding, position-limiting action, to circuit board, assembling seat, motor mount convenient for quickly by circuit
Plate, assembling seat, motor mount are correctly installed in shell.
5, the assembling holder structure in the present invention is simple and practical, on the one hand can be used for placing axial flow blower, on the other hand,
Pressing plate thereon can also play the role of pressing circuit board, and using axial flow blower, it is good that air-flow is discharged effect from inside to outside, in turn
The dust on dustproof filter screen can preferably be blown off.
6, on the one hand the motor mount in the present invention plays the role of installing vibrating motor, and another party also acts as placement branch
Support the effect of dustproof filter screen.Circuit board, assembling seat, motor mount, dustproof filter screen are fixed by tabletting in the present invention
It is simple and practical in shell, have the advantages that manufacturing cost is low, safety and reliability are high.
Detailed description of the invention
Fig. 1 is the structural diagram of the present invention；
Fig. 2 is the structural schematic diagram of shell in the present invention；
Fig. 3 is the top view of inventive shell；
Fig. 4 is the structural schematic diagram of the assembling seat in the present invention；
Fig. 5 is another schematic diagram of blower mounting base structure in the present invention；
Fig. 6 is the structural schematic diagram of the motor mount in the present invention.
In figure: shell 100, the first opening 101, limited post 102, the first mounting hole 1021, support column 103, first boss
104, circuit board 200, anti-dust filter mesh 300, tabletting 400, assembling seat 500, the first installation room 501, first sliding groove 502,
Pressing plate 503, motor mount 600, the second installation room 601, second sliding slot 602, second boss 603.
Specific embodiment
The present invention is described in further detail with reference to the accompanying drawings of the specification, it is clear that described embodiment is this
The most preferred embodiment of invention.
As shown in figures 1 to 6, a kind of dust-proof anti-condensation sensor, including the circuit board 200 in shell 100 and shell 100, electricity
Detection probe and microcontroller are connected on road plate 200, shell 100 is equipped with first that supply lines and communication cable pass through
Opening 101 and the second opening passed in and out for air, the second opening are equipped with dustproof filter screen 300.Detection probe in the present embodiment
For carbon dioxide detection probe, the carbon dioxide indicator in the present invention uses MH-Z19 carbon dioxide indicator.Circuit board 200
On be connected with heating sheet, heating sheet uses ceramic heating flake.After powering on, dust-proof anti-condensation sensor work in the present invention
When making, heating sheet fever, ensure always 5 DEG C higher than external temperature of 100 internal temperature of shell or so (due to air stream in shell
Logical, part hot-air can be distributed from the second opening, by rationally designing, it is ensured that shell internal-external temperature difference is on 5 DEG C of left sides
It is right), internal temperature is higher than external temperature, and inside would not condense.Solves existing sensor in use, because of internal junction
The problem of revealing, influencing measuring accuracy, high reliablity of the present invention.Heating sheet plays the role of heating and dehumidification, prevents moisture condensation from influencing
The reliability of carbon dioxide sensor.
Shell 100 is hollow cylinder structure, and the structure design of the first opening 101 and the second opening, energy are only equipped at both ends
Enough play preliminary dust-proof effect.Second opening of shell 100 is equipped with the first boss 104 for installing tabletting 400, shell
100 inner walls are circumferentially evenly equipped with multiple limited posts 102, end face and first boss 104 of the limited post 102 close to one end of the second opening
In same level, limited post 102 close to second opening one end be equipped with the first mounting hole 1021, tabletting 400 be equipped with
Second mounting hole of the first mounting hole 1021 adaptation, the first mounting hole 1021 and the second mounting hole are that band internal thread is installed
Hole, tabletting 400 are bolted with limited post 102.100 inner wall of shell, which is circumferentially evenly equipped with, multiple is used to support circuit board 200
Support column 103, the height of support column 103 is lower than the height of limited post.
Limited post 102 in the present invention is two, and two limited posts 102 are symmetrical arranged；Support column 103 is four, four
Support column 103 is circumferentially uniformly distributed along 100 inner wall of shell.Four support columns 103 in the present embodiment are symmetricly set on two two-by-two
Between a limited post 102, in order to preferably support circuit board 200.
The axial flow blower of portion's blowing from the inside is additionally provided in shell 100 in the present invention, axial flow blower passes through blower
Mounting base 500 is mounted in shell 100, and the first installation room for fixing axial flow blower is equipped at 500 center of assembling seat
501,500 outer wall two sides of assembling seat are symmetrically arranged with a pair of first sliding groove 502 being adapted to limited post 102, assembling seat
The pressing plate 503 for pressing circuit board 200 extended downwardly is additionally provided on 500, pressing plate 503 is integrated with assembling seat 500
Molding structure.Pressing plate 503 in the present invention is arcuate structure.Assembling seat 500 is equipped with passing channel, before use, first will
Axial flow blower is connect by conducting wire with circuit board 200, and axial flow blower is then correctly installed to the first installation room 501.In use,
Axial flow blower is set according to user, daily time opening a few minutes, and portion dries from the inside, being attached to dustproof filter screen 300
On dust blow off, play the effect of blower dedusting.Use axial flow blower for 3013B profile shaft flow fan, air-flow in the present invention
Discharge effect is good from inside to outside, and then can preferably blow off the dust on dustproof filter screen 300.
Vibrating motor is equipped between axial flow blower and dustproof filter screen 300, the vibrating motor in the present invention is the vibration of 0512DC type
Dynamic motor, vibrating motor are mounted in shell 100 by motor mount 600, the vibration head and dustproof filter screen 300 of vibrating motor
Connection, convenient for driving dustproof filter screen 300 to shake for first with vibration, the vibration head of vibrating motor and dust-proof filter in the present invention
Net 300 passes through gluing knot together.Motor mount 600 includes the second installation room 601 for fixing vibrating motor, motor installation
600 outer wall two sides of seat are symmetrically arranged with a pair of second sliding slot 602 being adapted to limited post 102, and motor mount 600 is opened close to second
One end of mouth is equipped with second boss 603, and dustproof filter screen 300 rides upon in second boss 603.Before use, first vibrating motor is led to
It crosses conducting wire to connect with circuit board 200, vibrating motor is then correctly installed to the second installation room 601.In use, vibrating motor root
It is set according to user, daily timing vibrating a few minutes, the dust vibration being attached on dustproof filter screen 300 is fallen, daily vibration is played
The effect of dedusting.
200 outer wall of circuit board is symmetrically arranged with a pair of third sliding slot being adapted to limited post 102, when installation, vibrating motor,
After axial flow blower and circuit board 200 correctly connect, it will print in circuit board 200 correct placement to shell 100 completed, until
200 bottom of circuit board is contacted with support column 103, and is supported the support of column 103, will then install the assembling of axial flow blower
In seat 500 correct placements to shell 100, until pressing plate 503 is close to 200 upper surface of circuit board；Then vibrating motor will be installed
Motor mount 600 correct placement to shell 100 in, dustproof filter screen 300 is placed into second boss 603, by tabletting 400
Be placed into first boss 104, it is by bolt that tabletting 400 and limited post 102 is fixed, complete installation (tabletting at this time with it is dust-proof
There is certain distance, when vibrating motor shakes, under the drive of vibrating motor, dustproof filter screen is in second boss and pressure between strainer
It is shaken between piece, removes the dust on dustproof filter screen).
In use, powering on, the content of carbon dioxide in the surrounding air of carbon dioxide detection probe detection place, and will
Detection signal is sent to microcontroller, and microcontroller to received signal analysis and processing and passes through signal data
RS485 communication module is sent to master controller, and RS485 signal transmission distance can reach 1000 meters or so, solves remote transmission
The problem of jitter, realizes long-range monitoring, can satisfy the demand of herding house in this way.
Microcontroller in the present invention uses STM32F103F4P6 controller, microcontroller and external piloting control device communication link
It connects, master controller sends corresponding command signal to microcontroller by program timing, controls vibrating motor and axial flow blower
Working condition.User can learn carbon dioxide parameter in environment by master controller.
There is lightning Protection circuit unit in the circuit design on circuit board 200 in the present invention, guarantees under thunderstorm weather
Sensor will not damage, and safety and stability performance is high, and the lightning Protection circuit in the present invention includes anti-lightning strike chip
(EL5172ISZ).In addition, being equipped with reverse connection prevention protection circuit unit in circuit design on circuit board 200, power positive cathode is reversed
In the case where the sensor will not be damaged.Reverse connection prevention protection circuit in the present invention includes anti-reverse chip
(IN4007).
In addition, occurring Gauss since carbon dioxide can jump in the detection process because of external interference, data and making an uproar
Sound, the present invention eliminate Gaussian noise (by process control) by gaussian filtering, extract useful data.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all in essence of the invention
Within mind and principle, any modification, equivalent replacement, improvement and so on be should all be included in the protection scope of the present invention.
Claims (10)
1. a kind of dust-proof anti-condensation sensor, including shell and the intracorporal circuit board of shell, it is connected with detection on the circuit board and visits
Head and microcontroller, it is characterised in that: be equipped with dustproof filter screen at the air ports of the shell, be connected on the circuit board
Heating sheet.
2. dust-proof anti-condensation sensor as described in claim 1, it is characterised in that: be additionally provided with from the inside in the shell
The axial flow blower of portion's blowing, the axial flow blower are mounted in shell by assembling seat.
3. dust-proof anti-condensation sensor as claimed in claim 2, it is characterised in that: between the axial flow blower and dustproof filter screen
Equipped with vibrating motor, the vibrating motor is mounted in shell by motor mount, the vibration head of vibrating motor and dust-proof filter
Net connection is shaken with band electric filter.
4. dust-proof anti-condensation sensor as claimed in claim 3, it is characterised in that: the shell is hollow cylinder structure, shell
Body one end is equipped with the first opening that supply lines and communication cable pass through, and the shell other end is equipped with the second opening passed in and out for air,
The dustproof filter screen is arranged in the second opening.
5. dust-proof anti-condensation sensor as claimed in claim 4, it is characterised in that: second opening is equipped with for installing
The first boss of tabletting, inner walls are circumferentially evenly equipped with multiple limited posts, limited post close to one end of the second opening end face with
The one end of first boss in same level, limited post close to the second opening is equipped with the first mounting hole, and the tabletting is equipped with
The second mounting hole being adapted to the first mounting hole, tabletting are bolted with limited post；The inner walls are circumferentially evenly equipped with
Multiple support columns for being used to support circuit board, the height of support column are lower than the height of limited post.
6. dust-proof anti-condensation sensor as claimed in claim 4, it is characterised in that: the limited post is two, two limits
Column symmetry setting；The support column is four, and four support columns are symmetricly set between two limited posts.
7. dust-proof anti-condensation sensor as claimed in claim 6, it is characterised in that: the assembling seat includes for fixing
First installation room of axial flow blower, assembling seat outer wall two sides are symmetrically arranged with a pair of first sliding groove being adapted to limited post, wind
The pressing plate for pressing circuit board extended downwardly is additionally provided in machine mounting base.
8. dust-proof anti-condensation sensor as claimed in claim 7, it is characterised in that: the motor mount includes for fixing
Second installation room of vibrating motor, motor mount outer wall two sides are symmetrically arranged with a pair of second sliding slot being adapted to limited post, electricity
Machine mounting base is equipped with second boss close to one end of the second opening, and the dustproof filter screen rides upon in second boss.
9. dust-proof anti-condensation sensor a method as claimed in any one of claims 1-8, it is characterised in that: in the circuit on the circuit board
Including reverse connection prevention protection circuit and lightning Protection circuit, the reverse connection prevention protection circuit includes anti-reverse chip, and the lightning stroke is anti-
Protection circuit includes anti-lightning strike chip.
10. dust-proof anti-condensation sensor as claimed in claim 9, it is characterised in that: the detection probe is carbon dioxide inspection
Probing head, the heating sheet are ceramic heating flake.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910164898.9A CN109752036A (en) | 2019-03-05 | 2019-03-05 | A kind of dust-proof anti-condensation sensor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910164898.9A CN109752036A (en) | 2019-03-05 | 2019-03-05 | A kind of dust-proof anti-condensation sensor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109752036A true CN109752036A (en) | 2019-05-14 |
Family
ID=66408193
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910164898.9A Pending CN109752036A (en) | 2019-03-05 | 2019-03-05 | A kind of dust-proof anti-condensation sensor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109752036A (en) |
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| CN108982767A (en) * | 2018-07-13 | 2018-12-11 | 深圳市乐业科技有限公司 | A kind of gas detecting instrument with dust filtering function |
| CN109045845A (en) * | 2018-08-31 | 2018-12-21 | 北京京创鑫业科技有限公司 | A kind of vibration of filter screen is aided with the dedusting method of blowback |
| CN209992008U (en) * | 2019-03-05 | 2020-01-24 | 河南艾牧智能设备有限公司 | Dustproof anti-condensation sensor |
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2019
- 2019-03-05 CN CN201910164898.9A patent/CN109752036A/en active Pending
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20050094965A (en) * | 2004-03-24 | 2005-09-29 | 이종근 | Preventing dew condensation in smoke detector and preventing dew condensation method thereof |
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Address after: 450000, East Room, Building 51, No. 221 Lianhua Street, High tech Development Zone, Zhengzhou City, Henan Province Applicant after: HENAN AIMU INTELLIGENT EQUIPMENT Co.,Ltd. Address before: 450000 No. 1-7, No. 13, 13 Cui Zhu street, high tech Industrial Development Zone, Zhengzhou, Henan, China. Applicant before: HENAN AIMU INTELLIGENT EQUIPMENT Co.,Ltd. |