CN110455371A - A kind of air bubble type liquid level gauge detection host, air bubble type liquid level gauge and system - Google Patents
A kind of air bubble type liquid level gauge detection host, air bubble type liquid level gauge and system Download PDFInfo
- Publication number
- CN110455371A CN110455371A CN201910740672.9A CN201910740672A CN110455371A CN 110455371 A CN110455371 A CN 110455371A CN 201910740672 A CN201910740672 A CN 201910740672A CN 110455371 A CN110455371 A CN 110455371A
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- liquid level
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- bubble type
- air
- pressure sensor
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- 239000007788 liquid Substances 0.000 title claims abstract description 81
- 238000001514 detection method Methods 0.000 title claims abstract description 28
- 239000000523 sample Substances 0.000 claims description 20
- 238000001035 drying Methods 0.000 claims description 10
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 4
- 238000005259 measurement Methods 0.000 abstract description 7
- ZPUCINDJVBIVPJ-LJISPDSOSA-N cocaine Chemical compound O([C@H]1C[C@@H]2CC[C@@H](N2C)[C@H]1C(=O)OC)C(=O)C1=CC=CC=C1 ZPUCINDJVBIVPJ-LJISPDSOSA-N 0.000 description 4
- 238000010586 diagram Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000007664 blowing Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000004880 explosion Methods 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 238000007373 indentation Methods 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000000746 purification Methods 0.000 description 1
- 238000009423 ventilation Methods 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
- G01F23/00—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm
- G01F23/14—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm by measurement of pressure
- G01F23/18—Indicating, recording or alarm devices actuated electrically
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- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- General Physics & Mathematics (AREA)
- Measurement Of Levels Of Liquids Or Fluent Solid Materials (AREA)
Abstract
It is liquidometer detection host, air bubble type liquid level gauge and system the invention discloses a kind of bubble.Wherein, air bubble type liquid level gauge detects after host connect by being provided with solenoid electric valve with threeway gas operated device, solenoid electric valve is connected to the pressure sensor being set on control pcb board again, and is set in shell jointly with air pump, check valve, composition air bubble type liquid level gauge detects host；Solves the pressure exported in the prior art due to the pressure sensor being set in detection host by air pump, it is easy to cause pressure sensor to damage, and since pressure sensor contacts the technical issues of causing pressure sensor service life and reliability to reduce with highly humid air for a long time；Provide the air bubble type liquid level gauge detection host that a kind of durability is strong, measurement accuracy is high.
Description
Technical field
The present invention relates to level detection technical fields, detect host, bubble type more particularly, to a kind of air bubble type liquid level gauge
Liquidometer and system.
Background technique
Air bubble type liquid level gauge (also known as bubbler gage) is filtered air by air filter, after purification, and air pump will be empty
Gas through check valve indentation air accumulator in, the gas in air accumulator divide two-way respectively the pressure sensor into pressure control unit and
It is passed through in underwater snorkel and conveys, when air pump stops blowing, check valve closure, snort mast mouth is sealed by gas.From
And form the cavity of closed connection a pressure sensor and snort mast mouth.According to pressure transfer principle it is found that In
When gas in ventilation pipe reaches dynamic equilibrium, the pressure that snort mast mouth is born is transmitted to pressure control by snorkel
On the pressure sensor of unit processed, so, the pressure of snort mast mouth and the pressure sensor of pressure control unit are born
Pressure it is equal, subtract atmospheric pressure value with this pressure value, the fine pressure value of head can be obtained, so that measurement water level can be obtained
Value.Pressure sensor protects the accuracy of its work as a key in air bubble type liquid level gauge and component at high cost
Become the technical issues of those skilled in the art need to overcome with service life.
In the prior art, air bubble type liquid level gauge due to pressure sensor air pump work when be similarly subjected to the pressure from air pump
Therefore power there is technical issues that damage when the pressure of air pump output is excessive, and due to pressure sensor
The technical issues of being contacted for a long time with highly humid air, resulting in the service life and reliability reduction of pressure sensor.
Summary of the invention
The present invention is directed to solve at least some of the technical problems in related technologies.For this purpose, of the invention
One purpose is to provide the air bubble type liquid level gauge detection host that a kind of durability is strong, measurement accuracy is high.
The technical scheme adopted by the invention is that:
In a first aspect, the present invention provides a kind of air bubble type liquid level gauge detection host comprising: shell and it is set to the shell
Control pcb board, air pump, check valve, threeway gas operated device and solenoid electric valve in body；
Be provided with pressure sensor and control circuit on the control pcb board, the output end of the control circuit respectively with
The control terminal of the solenoid electric valve, the connection of the control terminal of the air pump；
The output end of the air pump is connect with the inlet end of the check valve, the outlet side of the check valve and the threeway
The first end of gas operated device connects；
The second end of the threeway gas operated device is connect with the first end of the solenoid electric valve, the solenoid electric valve
Second end is connect with the input terminal of the pressure sensor；
The output end of the pressure sensor is connect with external equipment, is transmitted to external equipment with the pressure data that will acquire
In.
Further, the detection host further includes drying device, the first end of the drying device and the electromagnetism control
The second end of valve processed connects, and the second end of the drying device is connect with the input terminal of the pressure sensor.
Further, the detection host further includes air filter, the output end of the air filter and the gas
The input terminal of pump connects.
Further, the shell includes bottom case, upper cover, front cover and rear cover；The bottom case and the upper cover pass through clamping
It is fixedly connected；The front cover, the rear cover pass through screw and are fixedly connected respectively with the bottom case, the upper cover, close to be formed
The cavity closed；The control pcb board, the air pump, the check valve, the threeway gas operated device and solenoid electric valve are respectively provided with
In the cavity.
Second aspect, the present invention provide a kind of air bubble type liquid level gauge comprising air bubble type liquid level gauge detection master as mentioned
Machine and liquid-level probe；The air inlet of the liquid-level probe is connect with the third end of the threeway gas operated device, by the air pump
The gas transport transmitted is to the liquid-level probe.
Further, the liquid-level probe includes liquid level sensor, the output end of the liquid level sensor and the control
The input terminal of circuit connects, and the liquid level data information that the liquid level sensor obtains is transmitted to the control circuit.
The third aspect, the present invention provide a kind of level detection system comprising: the air bubble type liquid level gauge and processing
Device；The processor is connect with the output end of the pressure sensor, to receive the pressure data that the pressure sensor obtains；
Current detecting water level data are calculated according to the pressure data for the processor.
The beneficial effects of the present invention are:
A kind of air bubble type liquid level gauge detection host in the present invention, by being provided with solenoid electric valve and threeway gas operated device
After connection, then solenoid electric valve is connected to the pressure sensor being set on control pcb board, and common with air pump, check valve
It is set in shell, composition air bubble type liquid level gauge detects host；It solves in the prior art due to being set in detection host
The pressure that pressure sensor is exported by air pump, is easy to cause pressure sensor to damage, and due to pressure sensor for a long time with height
The technical issues of humid air contact causes pressure sensor service life and reliability to reduce；Provide that a kind of durability is strong, surveys
The high air bubble type liquid level gauge of accuracy of measurement detects host.
Detailed description of the invention
Fig. 1 is an a kind of specific embodiment structural schematic diagram of bubble type level detection host in the present invention；
Fig. 2 is an a kind of specific embodiment perspective view of the explosion of bubble type level detection host in the present invention；
Fig. 3 is an a kind of specific embodiment structural schematic diagram of air bubble type liquid level gauge in the present invention；
Fig. 4 is an a kind of specific embodiment module frame chart of level detection system in the present invention.
Specific embodiment
It should be noted that in the absence of conflict, the features in the embodiments and the embodiments of the present application can phase
Mutually combination.
Embodiment one:
A kind of air bubble type liquid level gauge detection host in the present invention, by being provided with solenoid electric valve and threeway gas operated device
After connection, then solenoid electric valve is connected to the pressure sensor being set on control pcb board, and total with air pump, check valve etc.
With being set in shell, composition air bubble type liquid level gauge detects host, and which solve in the prior art due to being set to detection host
In pressure sensor receive air pump output pressure, be easy to cause pressure sensor to damage, and since pressure sensor is long-term
The technical issues of causing pressure sensor service life and reliability to reduce is contacted with highly humid air.
Specifically, referring to Fig.1, air bubble type liquid level gauge detection host includes: control pcb board 200, air pump 210, check valve
220, threeway gas operated device 230, solenoid electric valve 240, drying device 250 and air filter 510；Wherein, it controls on pcb board
Be provided with pressure sensor 260 and control circuit, the output end of control circuit respectively with the control terminal of solenoid electric valve 240, gas
The control terminal of pump connects, for controlling the working condition of solenoid electric valve 240 and air pump 210, when air pump 210 is in running order
When, control circuit controls solenoid electric valve 240 and closes, so that pressure sensor 260 not will receive the pressure of air pump output, damage
Pressure sensor 260；Also, solenoid electric valve 240 is in normally off, so that pressure sensor 260 avoids for a long time and high humidity
Air contact, so that the service life is longer for pressure sensor 260, and its accuracy for obtaining pressure data is higher.Air pump 210
Input terminal connect with the output end of air filter 510, for will be extraneous air filtration after gas-guide tube passed through by air pump 210
It exports to the inlet end of check valve 220, the outlet side of check valve 220 is connect with the first end of threeway gas operated device 230, three admittances
The second end of device of air 230 is connect by gas-guide tube with the first end of solenoid electric valve 240, the second end of solenoid electric valve 240
After being connect by gas-guide tube with the first end of drying device 250, the second end of drying device 250 passes through gas-guide tube again and pressure passes
The input terminal of sensor 260 connects, and is provided with drying device 250 and further ensures pressure sensor 260 and avoids for a long time and high humidity
Air contact.
Referring to Fig. 2, in the present embodiment, air bubble type liquid level gauge detects the shell of host by upper cover 110, bottom case 120, rear cover
130 and front cover 140 form, after upper cover 110 and bottom case 120 are by connecting and fixing connection, rear cover 130, front cover 140 pass through screw
620 are fixedly connected with bottom case 120, upper cover 110, and formation is provided with control pcb board 200, air pump 210, check valve 220, three admittances
The airtight cavity of device of air 230, solenoid electric valve 240 and drying device 250.Wherein, it flows and passes for the gas of each component
Defeated to be transmitted by gas-guide tube 300, the third end of threeway gas operated device 230 is connected by gas-guide tube 300 and the first gas-guide tube
The connection of device 410 is connect, the second Airway adaptor 420 passes through front cover 140 with the first Airway adaptor 410 and is fixedly connected, and makes
The first Airway adaptor 410 is obtained to be located in the cavity of shell, the second Airway adaptor 420 is located at outside the cavity of shell, the
Two Airway adaptors 420 carry out level detection for connecting with liquid-level probe.The input terminal (inlet end) of air pump 210 is by leading
Tracheae 300 is connect with air filter fixator 520, and air filter fixator 520 and air filter 510 pass through front cover
140 are fixedly connected, and air filter fixator 520 is located in the cavity of shell, and air filter 510 is located at shell
Outside cavity.
In conclusion in actual use, the second Airway adaptor 420 is connected with liquid-level probe by gas-guide tube
It connects, and after the output end of pressure sensor 260 is connect with ppu, level gauging can be realized；It provides a kind of durable
Property strong, air bubble type liquid level gauge that measurement accuracy is high detect host.
Embodiment two:
Referring to Fig. 3, a kind of air bubble type liquid level gauge in the present invention comprising the air bubble type liquid level gauge as described in embodiment one
Detect host and liquid-level probe 700；It is by by the third end of the air inlet 710 of liquid-level probe 700 and threeway gas operated device 230
Connection, the gas transport that air pump 210 is transmitted is into liquid-level probe 700, to carry out level detection work.In addition, liquid level is visited
Liquid level sensor 720, antisilting up structure 730 and catch net 740 are provided in first 700；The output end of liquid level sensor 720 and control
The input terminal of circuit connects, and liquid level sensor 720 is used for when carrying out level detection, can detect current liquid level and is transmitted to control
In circuit processed.For example, liquid level sensor 720 monitors liquid-level probe when air bubble type liquid level gauge carries out detecting water level work
After liquid level data information in cavity meets measuring condition, it may be notified that control circuit, control circuit further control air pump 210 and stop
It only works, has saved electric power.In addition, antisilting up structure 730 and catch net 740 are arranged at the bottom of cavity, and antisilting up structure is set
It is placed in the top of catch net, for preventing mud from entering in the cavity of liquid-level probe 700, catch net 740 is arranged antisilting up structure 730
There are multiple through-holes, the sundries for preventing diameter to be greater than through-hole enters in 700 cavity of liquid-level probe.
In conclusion (being connect when air bubble type liquid level gauge works in the present embodiment when 700 beinthebalancestate of liquid-level probe
When gas of the receipts from air pump 210 makes gassy in the cavity of liquid-level probe 700), it is led by the acquisition of pressure sensor 260
The pressure data for the liquid-level probe 700 that tracheae transmits, then the pressure data that will acquire are transmitted to external equipment and are handled
The liquid level data currently measured；In addition, being detected in the cavity of current liquid-level probe 700 by liquid level sensor 720
Liquid level information is simultaneously transmitted in control circuit, and control circuit then controls the work of air pump according to the liquid level information, to provide
A kind of durability is strong, measurement accuracy is high, saves the air bubble type liquid level gauge of electric power.
Embodiment three:
Referring to Fig. 4, a kind of level detection system in the present invention comprising the air bubble type liquid level gauge as described in embodiment two
And processor, the output end of liquid level sensor and the input terminal of processor connect, for receiving the pressure of pressure sensor acquisition
The liquid level data currently detected is calculated according to the pressure data of acquisition for data, processor.In this implementation, processor can be meter
Calculation machine is used to just calculate the liquid level data currently detected according to the pressure data that pressure sensor transmits；It provides a kind of resistance to
With property is strong, measurement accuracy is high, saves the level detection system of electric power.
It is to be illustrated to preferable implementation of the invention, but the invention is not limited to the implementation above
Example, those skilled in the art can also make various equivalent variations on the premise of without prejudice to spirit of the invention or replace
It changes, these equivalent deformations or replacement are all included in the scope defined by the claims of the present application.
Claims (7)
1. a kind of air bubble type liquid level gauge detects host characterized by comprising shell and the control being set in the shell
Pcb board, air pump, check valve, threeway gas operated device and solenoid electric valve；
Be provided with pressure sensor and control circuit on the control pcb board, the output end of the control circuit respectively with it is described
The control terminal of solenoid electric valve, the connection of the control terminal of the air pump；
The output end of the air pump is connect with the inlet end of the check valve, the outlet side of the check valve and the threeway air guide
The first end of device connects；
The second end of the threeway gas operated device is connect with the first end of the solenoid electric valve, and the second of the solenoid electric valve
End is connect with the input terminal of the pressure sensor；
The output end of the pressure sensor is connect with external equipment, is transmitted in external equipment with the pressure data that will acquire.
2. air bubble type liquid level gauge according to claim 1 detects host, which is characterized in that the detection host further includes doing
Dry device, the first end of the drying device are connect with the second end of the solenoid electric valve, the second end of the drying device
It is connect with the input terminal of the pressure sensor.
3. air bubble type liquid level gauge according to claim 1 or 2 detects host, which is characterized in that the detection host also wraps
Air filter is included, the output end of the air filter is connect with the input terminal of the air pump.
4. air bubble type liquid level gauge according to claim 1 detects host, which is characterized in that the shell include bottom case, on
Lid, front cover and rear cover；The bottom case and the upper cover are by connecting and fixing connection；The front cover, the rear cover pass through screw
It is fixedly connected respectively with the bottom case, the upper cover, to form closed cavity；It is the control pcb board, the air pump, described
Check valve, the threeway gas operated device and solenoid electric valve are all set in the cavity.
5. a kind of air bubble type liquid level gauge, which is characterized in that including liquid-level probe and such as the described in any item gas of Claims 1-4
Bubble liquidometer detects host；The air inlet of the liquid-level probe is connect with the third end of the threeway gas operated device, by institute
Gas transport that air pump transmits is stated to the liquid-level probe.
6. air bubble type liquid level gauge according to claim 5, which is characterized in that the liquid-level probe includes liquid level sensor,
The output end of the liquid level sensor is connect with the input terminal of the control circuit, the liquid level that the liquid level sensor is obtained
Data information transfer is to the control circuit.
7. a kind of level detection system characterized by comprising processor and such as bubble type liquid level described in claim 5 or 6
Meter；The processor is connect with the output end of the pressure sensor, to receive the pressure data that the pressure sensor obtains；
Current detecting water level data are calculated according to the pressure data for the processor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910740672.9A CN110455371A (en) | 2019-08-12 | 2019-08-12 | A kind of air bubble type liquid level gauge detection host, air bubble type liquid level gauge and system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910740672.9A CN110455371A (en) | 2019-08-12 | 2019-08-12 | A kind of air bubble type liquid level gauge detection host, air bubble type liquid level gauge and system |
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| Publication Number | Publication Date |
|---|---|
| CN110455371A true CN110455371A (en) | 2019-11-15 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201910740672.9A Pending CN110455371A (en) | 2019-08-12 | 2019-08-12 | A kind of air bubble type liquid level gauge detection host, air bubble type liquid level gauge and system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117849895A (en) * | 2023-12-25 | 2024-04-09 | 北京清大天达光电科技股份有限公司 | Cavity foreign matter detection device |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN204854879U (en) * | 2015-08-01 | 2015-12-09 | 武汉新烽光电科技有限公司 | Device of compensation is switched to inside and outside gas circuit of non - pressure release bubble level gauge |
| CN205138592U (en) * | 2015-11-27 | 2016-04-06 | 武汉新烽光电股份有限公司 | Bubble type fluviograph that multichannel timesharing was gathered |
| CN210400536U (en) * | 2019-08-12 | 2020-04-24 | 深圳市宏电技术股份有限公司 | Bubble type liquid level meter detection host, bubble type liquid level meter and system |
-
2019
- 2019-08-12 CN CN201910740672.9A patent/CN110455371A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN204854879U (en) * | 2015-08-01 | 2015-12-09 | 武汉新烽光电科技有限公司 | Device of compensation is switched to inside and outside gas circuit of non - pressure release bubble level gauge |
| CN205138592U (en) * | 2015-11-27 | 2016-04-06 | 武汉新烽光电股份有限公司 | Bubble type fluviograph that multichannel timesharing was gathered |
| CN210400536U (en) * | 2019-08-12 | 2020-04-24 | 深圳市宏电技术股份有限公司 | Bubble type liquid level meter detection host, bubble type liquid level meter and system |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117849895A (en) * | 2023-12-25 | 2024-04-09 | 北京清大天达光电科技股份有限公司 | Cavity foreign matter detection device |
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