CN107063389A - A kind of condenser type profit identification sensor - Google Patents
A kind of condenser type profit identification sensor Download PDFInfo
- Publication number
- CN107063389A CN107063389A CN201710268683.2A CN201710268683A CN107063389A CN 107063389 A CN107063389 A CN 107063389A CN 201710268683 A CN201710268683 A CN 201710268683A CN 107063389 A CN107063389 A CN 107063389A
- Authority
- CN
- China
- Prior art keywords
- condenser type
- electrically connected
- communication
- main shaft
- identification sensor
- Prior art date
- 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
- 238000004891 communication Methods 0.000 claims abstract description 33
- 229910052751 metal Inorganic materials 0.000 claims abstract description 12
- 239000002184 metal Substances 0.000 claims abstract description 12
- 238000012545 processing Methods 0.000 claims abstract description 12
- 238000006243 chemical reaction Methods 0.000 claims abstract description 6
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 claims description 3
- 229910052782 aluminium Inorganic materials 0.000 claims description 3
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 3
- 229910052744 lithium Inorganic materials 0.000 claims description 3
- 230000005611 electricity Effects 0.000 claims description 2
- 239000007788 liquid Substances 0.000 abstract description 15
- 238000013461 design Methods 0.000 abstract description 2
- 238000001514 detection method Methods 0.000 description 2
- BYACHAOCSIPLCM-UHFFFAOYSA-N 2-[2-[bis(2-hydroxyethyl)amino]ethyl-(2-hydroxyethyl)amino]ethanol Chemical group OCCN(CCO)CCN(CCO)CCO BYACHAOCSIPLCM-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000011810 insulating material Substances 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 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
- G01F23/22—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 measuring physical variables, other than linear dimensions, pressure or weight, dependent on the level to be measured, e.g. by difference of heat transfer of steam or water
- G01F23/26—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 measuring physical variables, other than linear dimensions, pressure or weight, dependent on the level to be measured, e.g. by difference of heat transfer of steam or water by measuring variations of capacity or inductance of capacitors or inductors arising from the presence of liquid or fluent solid material in the electric or electromagnetic fields
- G01F23/263—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 measuring physical variables, other than linear dimensions, pressure or weight, dependent on the level to be measured, e.g. by difference of heat transfer of steam or water by measuring variations of capacity or inductance of capacitors or inductors arising from the presence of liquid or fluent solid material in the electric or electromagnetic fields by measuring variations in capacitance of capacitors
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N27/00—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means
- G01N27/02—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating impedance
- G01N27/22—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating impedance by investigating capacitance
- G01N27/226—Construction of measuring vessels; Electrodes therefor
Abstract
The invention discloses a kind of condenser type profit identification sensor, described sensor includes the internal column main shaft with cavity, it is disposed with more than two metal ring electrodes from top to bottom on the inwall of main shaft, described sensor also includes the signal processing unit electrically connected with communication interface, the CPU electrically connected with communication unit is electrically connected by AD conversion unit with signal processing unit, and the power subsystem electrically connected with power interface is that each part in sensor is powered.Condenser type profit identification sensor disclosed in this invention, the change of metal ring electrode capacitance in main shaft is caused to judge the species and liquid level of liquid using liquid levels feeler main shaft, not only increase sensor function, it also simplifies the design of circuit, have the advantages that convenient data processing, cost performance are high, be adapted to detect that the application scenario of liquid leakage situation is used in real time in needs such as gas station, double Deck Oil Storage Tanks.
Description
Technical field
The invention belongs to liquid detection sensor field, recognized more particularly to a kind of condenser type profit in the field
Sensor.
Background technology
At present, the automatic measurement liquid level sensor species of in the market supply is various, has float-ball type, pressure sensor formula, swashs
The product of a variety of principles such as light formula and ultrasonic type.For example Chinese invention patent application CN102607668A discloses a kind of electric capacity
Sensor, including：Sensor gauge outfit, inner and outer electrodes；The interior electrode is formed by multiple single electrode combinations, is owned
Interior electrode is that internal-and external diameter is identical, arranged in co-axial alignment, from top to bottom interior electrode be respectively top compensation electrode, multistage measuring electrode and
Bottom compensating electrode；The connector made between per segment electrode by insulating materials is attached；The external electrode is connected by screw thread
Female connector is co-axially mounted in interior electrode exterior with interior electrode, is that each segment electrode in interior electrode is public；Sensor gauge outfit and external electrode
Connection.Although the sensor can measure liquid level, there is no Liquid identification function, exist and use upper limitation.
The content of the invention
The technical problems to be solved by the invention, are just to provide a kind of condenser type profit identification sensor.
In order to solve the above-mentioned technical problem, the present invention is adopted the following technical scheme that：
A kind of condenser type profit identification sensor, it is theed improvement is that：Described sensor includes the internal column with cavity
Main shaft, is disposed with more than two metal ring electrodes from top to bottom on the inwall of main shaft, is set on the outer wall of main shaft
There are power interface and communication interface, each metal ring electrode passes through the electric wire in spindle cavity and power interface and communication interface respectively
Electrical connection, described sensor also includes the signal processing unit electrically connected with communication interface, in being electrically connected with communication unit
Central Processing Unit is electrically connected by AD conversion unit with signal processing unit, and the power subsystem electrically connected with power interface is biography
Each part in sensor is powered.
Further, described main shaft is pvc pipe or aluminum pipe.
Further, described CPU is single-chip microcomputer.
Further, described power subsystem is chargeable lithium cell.
Further, the communication mode of the communication unit is wire communication and/or radio communication.
Further, described wire communication uses RS232 or RS485 interfaces.
Further, described radio communication uses bluetooth or WiFi modes.
The beneficial effects of the invention are as follows：
Condenser type profit identification sensor disclosed in this invention, causes golden in main shaft using liquid levels feeler main shaft
Belong to the change of ring electrode capacitance to judge the species and liquid level of liquid, not only increase sensor function, it is also significantly simple
The design of circuit is changed, has had the advantages that convenient data processing, cost performance are high, be adapted in needs such as gas station, double Deck Oil Storage Tanks
The application scenario of detection liquid leakage situation is used in real time.
Brief description of the drawings
Fig. 1 is the structural representation of the condenser type profit identification sensor disclosed in the embodiment of the present invention 1.
Embodiment
In order to make the purpose , technical scheme and advantage of the present invention be clearer, it is right below in conjunction with drawings and Examples
The present invention is further elaborated.It should be appreciated that the specific embodiments described herein are merely illustrative of the present invention, and
It is not used in the restriction present invention.
Embodiment 1, as shown in figure 1, present embodiment discloses a kind of condenser type profit identification sensor, described sensor
Including inside the column main shaft 1 with cavity, more than two becket electricity are disposed with from top to bottom on the inwall of main shaft
Pole 2, is provided with power interface 3 and communication interface 4, each metal ring electrode is respectively by spindle cavity on the outer wall of main shaft
Electric wire is electrically connected with power interface and communication interface, and described sensor also includes the signal transacting list electrically connected with communication interface
Member 5, the CPU 7 electrically connected with communication unit 8 is electrically connected by AD conversion unit 6 with signal processing unit, with
The power subsystem 9 of power interface electrical connection is powered for each part in sensor.
Alternatively, in the present embodiment, described main shaft is pvc pipe or aluminum pipe.In described
Central Processing Unit is single-chip microcomputer.Described power subsystem is chargeable lithium cell.The communication mode of the communication unit is wired
Communication and/or radio communication.Described wire communication uses RS232 or RS485 interfaces.Described radio communication uses bluetooth
Or WiFi modes.
The course of work of condenser type profit identification sensor disclosed in the present embodiment is：Sensor main shaft is placed in be checked
Region is surveyed, metal ring electrode is in "on" position to sensor in the course of the work.There is leakage in such as region to be detected, in leakage
When liquid level is concordant with a certain metal ring electrode on main shaft inwall, the change of the metal ring electrode capacitance can be caused, the telecommunications
Number after signal condition unit is handled, AD conversion unit is inputted, AD conversion unit is switched to the variable quantity by analog quantity
CPU is sent into after digital quantity, change of the CPU based on capacitance show that leakage is according to Predistribution Algorithm
Water, oil or other liquid, and leakage information can be sent to outside sensor by communication unit, in the process of working sensor
In, the power subsystem electrically connected with power interface is that each part in sensor is powered., can be with according to the quantity of metal ring electrode
Accomplish single-point, two point or multiple spot identification, and liquid level can be judged according to the height of metal ring electrode.
Claims (7)
1. a kind of condenser type profit identification sensor, it is characterised in that：Described sensor includes the internal column master with cavity
Axle, is disposed with more than two metal ring electrodes from top to bottom on the inwall of main shaft, is provided with the outer wall of main shaft
Power interface and communication interface, each metal ring electrode pass through the electric wire in spindle cavity and power interface and communication interface electricity respectively
Connection, described sensor also includes the signal processing unit electrically connected with communication interface, the center electrically connected with communication unit
Processing unit is electrically connected by AD conversion unit with signal processing unit, and the power subsystem electrically connected with power interface is sensing
Each part in device is powered.
2. condenser type profit identification sensor according to claim 1, it is characterised in that：Described main shaft be pvc pipe or
Aluminum pipe.
3. condenser type profit identification sensor according to claim 1, it is characterised in that：Described CPU is
Single-chip microcomputer.
4. condenser type profit identification sensor according to claim 1, it is characterised in that：Described power subsystem is to fill
Electric lithium battery.
5. condenser type profit identification sensor according to claim 1, it is characterised in that：The communication party of the communication unit
Formula is wire communication and/or radio communication.
6. condenser type profit identification sensor according to claim 5, it is characterised in that：Described wire communication is used
RS232 or RS485 interfaces.
7. condenser type profit identification sensor according to claim 5, it is characterised in that：Described radio communication is using blue
Tooth or WiFi modes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710268683.2A CN107063389A (en) | 2017-04-23 | 2017-04-23 | A kind of condenser type profit identification sensor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710268683.2A CN107063389A (en) | 2017-04-23 | 2017-04-23 | A kind of condenser type profit identification sensor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107063389A true CN107063389A (en) | 2017-08-18 |
Family
ID=59604588
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710268683.2A Pending CN107063389A (en) | 2017-04-23 | 2017-04-23 | A kind of condenser type profit identification sensor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107063389A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108612517A (en) * | 2018-02-12 | 2018-10-02 | 王金钟 | A kind of device of all automatic measurement oilfield producing well Liquid output and moisture content |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN200986461Y (en) * | 2006-07-28 | 2007-12-05 | 华南农业大学 | Intelligent capacitance type liquid level measuring apparatus |
| CN201780138U (en) * | 2010-05-18 | 2011-03-30 | 陈国安 | Multi-section capacitance level meter |
| CN102607668A (en) * | 2012-04-19 | 2012-07-25 | 北京航空航天大学 | Capacitance sensor |
| CN104165908A (en) * | 2014-09-09 | 2014-11-26 | 北京华盛立德科技有限公司 | Online lubricating oil quality monitoring capacitive sensor with automatic compensation function |
| CN206627185U (en) * | 2017-04-23 | 2017-11-10 | 青岛汇赢科技有限公司 | A kind of condenser type profit identification sensor |
-
2017
- 2017-04-23 CN CN201710268683.2A patent/CN107063389A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN200986461Y (en) * | 2006-07-28 | 2007-12-05 | 华南农业大学 | Intelligent capacitance type liquid level measuring apparatus |
| CN201780138U (en) * | 2010-05-18 | 2011-03-30 | 陈国安 | Multi-section capacitance level meter |
| CN102607668A (en) * | 2012-04-19 | 2012-07-25 | 北京航空航天大学 | Capacitance sensor |
| CN104165908A (en) * | 2014-09-09 | 2014-11-26 | 北京华盛立德科技有限公司 | Online lubricating oil quality monitoring capacitive sensor with automatic compensation function |
| CN206627185U (en) * | 2017-04-23 | 2017-11-10 | 青岛汇赢科技有限公司 | A kind of condenser type profit identification sensor |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108612517A (en) * | 2018-02-12 | 2018-10-02 | 王金钟 | A kind of device of all automatic measurement oilfield producing well Liquid output and moisture content |
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