CN206540587U - A kind of liquid level sensor that detection function is switched with container cover - Google Patents
A kind of liquid level sensor that detection function is switched with container cover Download PDFInfo
- Publication number
- CN206540587U CN206540587U CN201720090465.XU CN201720090465U CN206540587U CN 206540587 U CN206540587 U CN 206540587U CN 201720090465 U CN201720090465 U CN 201720090465U CN 206540587 U CN206540587 U CN 206540587U
- Authority
- CN
- China
- Prior art keywords
- container cover
- liquid level
- level sensor
- circuit board
- switched
- 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.)
- Active
Links
Abstract
The utility model is related to a kind of liquid level sensor that detection function is switched with container cover, including level sensing part and the container cover switch detecting section part for detection container lid on off state；The level sensing part includes circuit board and the ultrasonic transducer being connected with circuit board, and the container cover switch detecting section part is connected with the circuit board electric signal.The technical solution of the utility model can be according to the on off state of container cover switch detecting section part detection container lid, and the state is passed to the circuit board of liquid level sensor in real time, so, circuit board can according to the on off state of container cover in conjunction with ultrasonic transducer transmission come liquid level variable signal, liquid level change can be timely responded to, warning message is sent in time according to actual conditions.
Description
Technical field
The utility model is related to liquid level sensor, more particularly to a kind of liquid level sensor of container cover switch detection function.
Background technology
At present in the field such as industry, agricultural, automobile, often occurs liquid (such as gasoline etc.) for storing the container of liquid
By the situation of unauthorized theft.Although being mounted with container cover lock and/or liquid level sensor, most of liquid level sensor can not be quick
Detect situation and timely alert that liquid level declines suddenly.Especially for mobile container, including but not limited to vapour
Car fuel tank, oil tank truck, fortune milk car etc., liquid level sensor is since it is desired that consider in road bump, vehicle travel process
The situation that liquid level is rocked, it is impossible to which liquid level declines change with liquid level caused by running environment suddenly caused by fast resolution is artificial, from
And cause to occur the artificial warning message for causing liquid level can not quickly send liquid level change in the case of suddenly declining or cause
The drawbacks of alert is missed in the case that running environment causes liquid level to decline suddenly.
To solve this problem, a solution of the prior art is the sensitive time by adjusting liquid level sensor
To be judged, if for example, the time of sensor sensing to liquid level continuous decrease just determined more than preset time be it is artificial because
Liquid level declines suddenly caused by plain, so that alert.Although, although this method alert comparison is accurate,
But, but since it is desired that the monitoring time can just come into force more than the preset time time, therefore alarm is not very timely.
Utility model content
In order to solve the above technical problems, the purpose of this utility model is that offer is a kind of switchs detection function with container cover
Liquid level sensor, the technical scheme can provide monitoring container valve state, be easy to the liquid level induced junction with reference to liquid level sensor
It is human factor or environmental factor that fruit, which judges that liquid level declines suddenly, and foundation is provided to send correct warning message.
To reach above-mentioned purpose, the technical solution of the utility model is：
A kind of liquid level sensor for switching detection function with container cover includes level sensing part and for detection container lid
The container cover switch detecting section part of on off state；The level sensing part includes circuit board and the ultrasonic wave being connected with circuit board
Transducer, the container cover switch detecting section part is connected with the circuit board electric signal.
The above-mentioned liquid level sensor that detection function is switched with container cover, the container cover switch detecting section part includes setting
In first assembly and the second component being arranged in container cover on container body, the first assembly and the second component at least
One first assembly and/or the second component that are connected with the circuit board electric signal will be produced with the switch motion of container cover
The corresponding electric signal output of physical quantity variation gives the circuit board.
The above-mentioned liquid level sensor that detection function is switched with container cover, physical quantity variation is magnetic field, inductance, electric capacity or electricity
The change of resistance.
The above-mentioned liquid level sensor that detection function is switched with container cover, the first assembly and the circuit board electric signal
Connection, second component is magnetic source, and the changes of magnetic field of the magnetic source has an impact to the electric signal output of first assembly.
The above-mentioned liquid level sensor that detection function is switched with container cover, second component and the circuit board electric signal
Connection, the first assembly is magnetic source, and the changes of magnetic field of the magnetic source has an impact to the electric signal output of the second component.
The above-mentioned liquid level sensor that detection function is switched with container cover, the container cover switch detecting section part is for feeling
The displacement transducer of position between the container cover and melt answered, the output of the displacement transducer connects with the circuit board electric signal
Connect.
The above-mentioned liquid level sensor that detection function is switched with container cover, the container cover switch detecting section part is electric capacity
Device, two electrodes of the capacitor are separately positioned on container cover and on container, the capacitor connects with the circuit board electric signal
Connect.
The above-mentioned liquid level sensor that detection function is switched with container cover, the first assembly quantity is no less than two,
The even part for being arranged at the vessel port periphery coordinated on container with container cover.
The above-mentioned liquid level sensor that detection function is switched with container cover, second component count is no less than two.
The above-mentioned liquid level sensor that detection function is switched with container cover, the liquid level sensor senses for supersonic liquid level
Device.
The beneficial effects of the utility model are as follows：
The technical solution of the utility model can according to the on off state of container cover switch detecting section part detection container lid, and
The state is passed to the circuit board of liquid level sensor in real time, in this way, circuit board can according to the on off state of container cover in conjunction with
The liquid level variable signal that ultrasonic transducer transmission comes, can timely respond to liquid level change, send report in time according to actual conditions
Alert information.
Brief description of the drawings
Fig. 1 is to be sensed according to the supersonic liquid level for switching detection function with container cover for having the utility model one embodiment
The top view of the container of device.
Fig. 2 is the first assembly and the phase of the second component of container cover switch detecting section part under container cover closed mode in Fig. 1
To position view.
Fig. 3 is Fig. 2 top view.
Fig. 4 is the first assembly and the phase of the second component of container cover switch detecting section part under container cover open mode in Fig. 1
To position view.
Fig. 5 is Fig. 4 top view.
In above-mentioned accompanying drawing, 1, container body；2nd, container cover；3rd, level sensing part；4th, first assembly；5th, the second component；6、
Wire.
Embodiment
The utility model is described in detail with reference to the accompanying drawings and examples.
The utility model discloses a kind of liquid level sensor that detection function is switched with container cover, for monitoring storage liquid
Container whether occur liquid (such as gasoline etc.) by the situation of unauthorized theft, including level sensing part 3 and hold for detecting
The container cover switch detecting section part of the on off state of device lid 2；The level sensing part 3 includes circuit board and is connected with circuit board
Ultrasonic transducer, the container cover switch detecting section part is connected with the circuit board electric signal.Technical side of the present utility model
Case can be according to the on off state of container cover switch detecting section part detection container lid 2, and the state is passed into liquid level in real time passed
The circuit board of sensor, in this way, circuit board can according to the on off state of container cover 2 in conjunction with ultrasonic transducer transmission come liquid level
Variable signal, can timely respond to liquid level change, warning message is sent in time according to actual conditions.
In the technical solution of the utility model, as long as the container cover switch detecting section part can reach detection container lid
The function of 2 on off states.
Embodiment 1
As shown in figure 1, present embodiments providing a kind of liquid level sensor that detection function is switched with container cover, remaining part
As indicated above, specific container cover switch detecting section part includes the first assembly 4 being arranged on container body 1 and is arranged on container
At least one in the second component 5 on lid 2, the component 5 of first assembly 4 and second be connected with the circuit board electric signal with
The corresponding electric signal of physical quantity variation of the component 5 of first assembly 4 and/or second of switch motion generation with container cover 2 is defeated
Go out to the circuit board.The first assembly 4 being arranged in the present embodiment on container body 1 and the circuit board of liquid level sensor connect
Connect.According to the physical quantity variation of the component 5 of first assembly 4 and/or second difference, (physical quantity variation can be magnetic field, inductance, electricity
The perhaps change of resistance), the selection of the component 5 of first assembly 4 and second can be multifarious.
So that the physical quantity variation is changes of magnetic field as an example, the first assembly 4 passes through wire 6 and the level sensing part
3 circuit board electric signal connection, second component 5 is magnetic source, and the changes of magnetic field of the magnetic source is defeated to the electric signal of first assembly 4
Go out to have an impact.First assembly 4 is in the magnetic field that the second component 5 occurs, because the component 5 of first assembly 4 and second is set respectively
On container body 1 and container cover 2, when container cover 2 is converted to open mode as closed mode (shown in reference picture 2- Fig. 5), hold
The relative position of device lid 2 and container body 1 changes, and the relative position for also having led to the second component 5 and first assembly 4 occurs
Change, so that first assembly 4 is changed position in the magnetic field of the second component 5, and then the electric signal that first assembly 4 is exported
Change, circuit board knows the state that container cover 2 is opened by the change in electric, and if passing through ultrasonic wave transducer in this condition
The signal that device transmission comes contains the information of liquid level rapid decrease, then can assert that the liquid level declines is caused (for example by human factor
Someone steals liquid in container body 1), to send warning message in time.
Variable quantity except above-mentioned magnetic field can be also used according to inductance, electricity as the foundation whether container cover 2 is opened is judged
The perhaps change of resistance judges that specific mounting means is similar with the present embodiment 1, and those skilled in the art are according to general knowledge by first
The component 5 of component 4 and second is set to corresponding element, and according to actual conditions by the defeated of the component 5 of first assembly 4 and/or second
Go out and be connected with circuit board electric signal.
The above-mentioned liquid level sensor that detection function is switched with container cover, the liquid level sensor senses for supersonic liquid level
Device.The quantity of first assembly 4 is no less than two, is uniformly arranged on the portion on the vessel port periphery coordinated on container with container cover 2
Point.The quantity of second component 5 is no less than two.
According to above-mentioned principle, the utility model additionally provide container cover switch detecting section part be for sensing container cover with
The technical scheme of the displacement transducer of position between melt, the output of the displacement transducer is connected with the circuit board electric signal.
Distance change between container body 1 and container cover is sensed by the displacement transducer, the switch shape of container cover can be equally collected
State.
In addition, the utility model additionally provides the technical scheme that container cover switch detecting section part is capacitor, the electric capacity
Two electrodes of device are separately positioned on container cover and on container, the capacitor is connected with the circuit board electric signal.Pass through electric capacity
The change of device electric capacity, can equally embody the change of the distance between container body 1 and container cover, and then embody the switch shape of container cover
State.
Obviously, those skilled in the art can carry out various changes and modification without departing from this practicality to the utility model
New spirit and scope.So, if belonging to the utility model claim to these modifications and variations of the present utility model
And its within the scope of equivalent technology, then the utility model is also intended to comprising including these changes and modification.
Claims (10)
1. a kind of liquid level sensor that detection function is switched with container cover, it is characterised in that：Including level sensing part and it is used for
The container cover switch detecting section part of detection container lid on off state；The level sensing part includes circuit board and connected with circuit board
The ultrasonic transducer connect, the container cover switch detecting section part is connected with the circuit board electric signal.
2. the liquid level sensor as claimed in claim 1 that detection function is switched with container cover, it is characterised in that：The container cover
Switch detecting section part includes the first assembly being arranged on container body and the second component being arranged in container cover, described first group
At least one in part and the second component is connected with the circuit board electric signal with by the of the switch motion generation with container cover
The corresponding electric signal output of physical quantity variation of one component and/or the second component gives the circuit board.
3. the liquid level sensor as claimed in claim 2 that detection function is switched with container cover, it is characterised in that：Physical quantity variation
For the change of magnetic field, inductance, electric capacity or resistance.
4. the liquid level sensor as claimed in claim 2 that detection function is switched with container cover, it is characterised in that：Described first group
Part is connected with the circuit board electric signal, and second component is magnetic source, the telecommunications of the changes of magnetic field of the magnetic source to first assembly
Number output has an impact.
5. the liquid level sensor as claimed in claim 2 that detection function is switched with container cover, it is characterised in that：Described second group
Part is connected with the circuit board electric signal, and the first assembly is magnetic source, the telecommunications of the changes of magnetic field of the magnetic source to the second component
Number output has an impact.
6. the liquid level sensor as claimed in claim 1 that detection function is switched with container cover, it is characterised in that：The container cover
Switch detecting section part is displacement transducer for position between the container cover and melt of sensing, the output of the displacement transducer with
The circuit board electric signal connection.
7. the liquid level sensor as claimed in claim 1 that detection function is switched with container cover, it is characterised in that：The container cover
Switch detecting section part is capacitor, two electrodes of the capacitor be separately positioned on container cover with container, the capacitor with
The circuit board electric signal connection.
8. the liquid level sensor that detection function is switched with container cover as described in claim 2-5 is any, it is characterised in that：It is described
First assembly quantity is no less than two, is uniformly arranged on the part on the vessel port periphery coordinated on container with container cover.
9. the liquid level sensor as claimed in claim 8 that detection function is switched with container cover, it is characterised in that：Described second group
Number of packages amount is no less than two.
10. the liquid level sensor that detection function is switched with container cover as described in claim 1-7 is any, it is characterised in that：Institute
Liquid level sensor is stated for ultrasonic liquid level sensor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720090465.XU CN206540587U (en) | 2017-01-24 | 2017-01-24 | A kind of liquid level sensor that detection function is switched with container cover |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720090465.XU CN206540587U (en) | 2017-01-24 | 2017-01-24 | A kind of liquid level sensor that detection function is switched with container cover |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206540587U true CN206540587U (en) | 2017-10-03 |
Family
ID=59939390
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720090465.XU Active CN206540587U (en) | 2017-01-24 | 2017-01-24 | A kind of liquid level sensor that detection function is switched with container cover |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206540587U (en) |
-
2017
- 2017-01-24 CN CN201720090465.XU patent/CN206540587U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| WO2011139601A2 (en) | Multi-conductor water in fuel sensor for fill rate detection | |
| CN206540587U (en) | A kind of liquid level sensor that detection function is switched with container cover | |
| CA2983230C (en) | Environmental and product sensing | |
| CN105092697B (en) | Metal detection system and detection method based on free damping oscillation technology | |
| CN201364192Y (en) | Liquid level sensor | |
| CN2524232Y (en) | Two Dimensional flexible pressure sensor | |
| CN206590896U (en) | A kind of encapsulating structure of pressure sensor | |
| CN205264969U (en) | Electric connector and vehicle | |
| CN101706251B (en) | Valve opening sensor of canning vehicle | |
| US20170369207A1 (en) | Device for checking whether a package has been opened or not and method for producing said device | |
| CN109870214A (en) | Water detection structure and household appliance | |
| JP4753347B2 (en) | Device comprising a sensor element and a transponder | |
| CN112964020A (en) | Refrigerator shelf offset detection and alarm control method | |
| CN103646007A (en) | Method, device and system for processing data | |
| CN201540119U (en) | Electronic lead seal sensor and lower-mounted valve | |
| CN206891522U (en) | A kind of dilly glass cleaning solution detects warning device | |
| CN203310482U (en) | Oil level sensing device | |
| CN201266075Y (en) | Electromagnetic induction type contactless angle transducer | |
| CN103649969B (en) | Security device and method for using a security device | |
| CN206208344U (en) | A kind of contactless liquid level sensor and the water tank containing the sensor | |
| CN210918600U (en) | Executor door handle module based on hall response | |
| CN2899077Y (en) | Position sensing switch | |
| US11156575B2 (en) | Sorbent with detection array | |
| CN203310483U (en) | Sensing device for measuring oil level | |
| CN201577083U (en) | Electrostatic capacitance level/liquid level switch |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |