CN206627185U - A kind of condenser type profit identification sensor - Google Patents
A kind of condenser type profit identification sensor Download PDFInfo
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- CN206627185U CN206627185U CN201720431456.2U CN201720431456U CN206627185U CN 206627185 U CN206627185 U CN 206627185U CN 201720431456 U CN201720431456 U CN 201720431456U CN 206627185 U CN206627185 U CN 206627185U
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- condenser type
- electrically connected
- communication
- identification sensor
- main shaft
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Abstract
The utility model 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 each part power supply in sensor.Condenser type profit identification sensor disclosed in the utility model, cause the change of metal ring electrode capacitance in main shaft using liquid levels feeler main shaft to judge the species of liquid and liquid level, not only increase sensor function, it also simplifies the design of circuit, there is convenient data processing, cost-effective, the application scenario for being adapted to detect liquid leakage situation in real time in needs such as gas station, double Deck Oil Storage Tanks uses.
Description
Technical field
The utility model belongs to liquid detection sensor field, more particularly to a kind of condenser type profit in the field
Identification 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.Such as 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 individually 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 with interior electrode in interior electrode exterior, 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
Technical problem to be solved in the utility model, just it is to provide a kind of condenser type profit identification sensor.
In order to solve the above-mentioned technical problem, the present invention adopts the following technical scheme that：
A kind of condenser type profit identification sensor, it is theed improvement is that：Described sensor includes inside with cavity
Column main shaft, more than two metal ring electrodes are disposed with from top to bottom on the inwall of main shaft, on the outer wall of main shaft
Power interface and communication interface are provided with, each metal ring electrode passes through the electric wire in spindle cavity and power interface and communication respectively
Interface electrically connects, and described sensor also includes the signal processing unit electrically connected with communication interface, is electrically connected with communication unit
CPU electrically connected by AD conversion unit with signal processing unit, the power subsystem electrically connected with power interface
For each part power supply in sensor.
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 utility model are：
Condenser type profit identification sensor disclosed in the utility model, caused using liquid levels feeler main shaft
The change of metal ring electrode capacitance judges the species of liquid and liquid level in main shaft, not only increases sensor function,
The design of circuit is also simplifies, there is convenient data processing, cost-effective, be adapted in gas station, double-deck oil storage
The application scenario that the needs such as tank detect liquid leakage situation in real time uses.
Brief description of the drawings
Fig. 1 is the structural representation of the condenser type profit identification sensor disclosed in the utility model embodiment 1.
Embodiment
In order that the purpose of this utility model, technical scheme and advantage are more clearly understood, below in conjunction with accompanying drawing and implementation
Example, the utility model is further elaborated.It should be appreciated that specific embodiment described herein is only explaining
The utility model, it is not used to limit the utility model.
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, power interface 3 and communication interface 4 are provided with the outer wall of main shaft, each metal ring electrode is respectively by spindle cavity
Electric wire electrically connects 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 each part power supply 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 each part power supply in sensor., 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)
- A kind of 1. condenser type profit identification sensor, it is characterised in that：Described sensor includes the internal column master with cavity Axle, it 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 include 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 power supply in device.
- 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 uses 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 |
|---|---|---|---|
| CN201720431456.2U CN206627185U (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 |
|---|---|---|---|
| CN201720431456.2U CN206627185U (en) | 2017-04-23 | 2017-04-23 | A kind of condenser type profit identification sensor |
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| Publication Number | Publication Date |
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| CN206627185U true CN206627185U (en) | 2017-11-10 |
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| CN201720431456.2U Active CN206627185U (en) | 2017-04-23 | 2017-04-23 | A kind of condenser type profit identification sensor |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107063389A (en) * | 2017-04-23 | 2017-08-18 | 青岛汇赢科技有限公司 | A kind of condenser type profit identification sensor |
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2017
- 2017-04-23 CN CN201720431456.2U patent/CN206627185U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107063389A (en) * | 2017-04-23 | 2017-08-18 | 青岛汇赢科技有限公司 | A kind of condenser type profit identification sensor |
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