CN209459733U - A kind of multistage liquid level detection system - Google Patents
A kind of multistage liquid level detection system Download PDFInfo
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- CN209459733U CN209459733U CN201920381859.XU CN201920381859U CN209459733U CN 209459733 U CN209459733 U CN 209459733U CN 201920381859 U CN201920381859 U CN 201920381859U CN 209459733 U CN209459733 U CN 209459733U
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- liquid level
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Abstract
The utility model discloses a kind of multistage liquid level detection systems comprising control device, detection device, power supply unit, alarm and indicator light；The control device is electrically connected with the detection device, the power supply unit, the alarm, the indicator light respectively；The power supply unit and the detection device are electrically connected；The detection device includes detection circuit and sensing probe, and the detection circuit includes multiple level sensing accesses, detection chip, adjusts circuit and storage chip；The detection chip is electrically connected with the adjusting circuit, the storage chip, the control device respectively, one end of each level sensing access is electrically connected by a resistance and a foot of the detection chip, and the other end is connect with a sensing probe.The utility model improves user experience and increases the usage scenario of liquid level detection system.
Description
Technical field
The utility model relates to detection systems, specifically, more particularly to a kind of multistage liquid level detection system.
Background technique
Whether there is the number of liquid and liquid in the field of liquid container, in container to be wondered, needs to use liquid
Level sensor, and existing liquid level sensor needs to be directly contacted in liquid to be measured, can just carry out to its liquid level
Detection, if liquid level sensor is placed on for a long time in liquid to be measured, liquid level sensor is highly susceptible to the corrosion impact of liquid,
And then its service life is greatly shortened, so that liquid level sensor fails.Therefore, in view of above scheme in actual fabrication and reality
It applies using upper missing place, and is corrected, improved, while in line with the spirit and theory asked, and by the knowledge of profession, warp
The auxiliary tested, and after multi-party clever thought, test, the design is just created, therefore a kind of multistage liquid level detection system is provided, it is used for
Solve the problems, such as that intelligent liquid level detects.
Utility model content
One of the purpose of this utility model is to provide a kind of multistage liquid level detection system, in order to solve intelligent liquid level inspection
The problem of survey.
A kind of multistage liquid level detection system of the utility model can be realized by following technical proposal:
A kind of multistage liquid level detection system of the utility model include control device, detection device, power supply unit, alarm and
Indicator light；The control device is electrical with the detection device, the power supply unit, the alarm, the indicator light respectively
Connection；The power supply unit and the detection device are electrically connected；The detection device includes detection circuit and sensing probe, institute
Detection circuit is stated to include multiple level sensing accesses, detection chip, adjust circuit and storage chip；The detection chip respectively with
The adjusting circuit, the storage chip, control device electrical connection, one end of each level sensing access passes through
One resistance and a foot of the detection chip are electrically connected, and the other end is connect with a sensing probe.
Preferably, the control device is MCU, model KF8V200-20.
Preferably, the detection chip is 28 feet, model ADATW12.
Preferably, the adjusting circuit includes four capacitors C1, C2, C3 and C4；The capacitor C4 and the capacitor C3 are simultaneously
One foot of connection, one end after parallel connection and the detection chip is electrically connected, one end of the other end and the capacitor C1, described
One end of capacitor C2 is electrically connected；The other end and input voltage of the capacitor C1 is electrically connected；The other end of the capacitor C2
It is electrically connected with a foot of the detection chip.
Preferably, the model ADE02 of the storage chip.
Preferably, the material of the sensing probe is conductive material.
Preferably, the sensing probe is stainless pin, copper foil or iron plate.
Preferably, the power supply unit is dry cell batteries or 220V alternating current is turned by rectification circuit and transforming circuit
It is melted into direct current.
Preferably, the alarm is buzzer or loudspeaker.
Preferably, the indicator light is LED light.
A kind of multistage liquid level detection system of the utility model has following technical effect that
A kind of the utility model multistage liquid level detection system is set by detection chip, multiple sensing probe different heights
The interaction of circuit and storage chip is set, adjusts, so that this fluid level detection system has the detection function of multistage liquid level；Institute
Stating sensing probe can be set the service life that sensing probe is extended in the outer surface of nonmetallic vessel, reduce level sensing system
The failure of system, improves user experience；The capacitance that circuit can be adjusted by changing simultaneously, changes the spirit of liquid level detection system
Sensitivity allows liquid level detection system to carry out corresponding setting for different demands, increases making for liquid level detection system
Use scene.
Detailed description of the invention
It, below will be to use required in embodiment in order to illustrate more clearly of the technical solution of the utility model embodiment
Attached drawing be briefly described, it should be understood that the following drawings illustrates only some embodiments of the utility model, therefore should not be by
Regard the restriction to range as, for those of ordinary skill in the art, without creative efforts, may be used also
To obtain other relevant attached drawings according to these attached drawings.
Fig. 1 is a kind of connection schematic diagram of multistage liquid level detection system of the utility model.
Fig. 2 is a kind of structural schematic diagram of the detection circuit of multistage liquid level detection system of the utility model.
11, control device；12, detection device；13, power supply unit；14. alarm；15, indicator light.
Specific embodiment
It is practical new below in conjunction with this to keep the objectives, technical solutions, and advantages of the embodiments of the present invention clearer
Attached drawing in type embodiment, the technical scheme in the utility model embodiment is clearly and completely described, it is clear that is retouched
The embodiment stated is the utility model a part of the embodiment, instead of all the embodiments.Usually here in attached drawing description and
The component of the utility model embodiment shown can be arranged and be designed with a variety of different configurations.
Therefore, requirement is not intended to limit to the detailed description of the embodiments of the present invention provided in the accompanying drawings below
The scope of the utility model of protection, but it is merely representative of the selected embodiment of the utility model.Based in the utility model
Embodiment, every other embodiment obtained by those of ordinary skill in the art without making creative efforts, all
Belong to the range of the utility model protection.
It should also be noted that similar label and letter indicate similar terms in following attached drawing, therefore, once a certain Xiang Yi
It is defined in a attached drawing, does not then need that it is further defined and explained in subsequent attached drawing.
In the description of the present invention, it should be noted that the orientation or positional relationship of the instructions such as term " on ", "lower"
For be based on the orientation or positional relationship shown in the drawings or the utility model product using when the orientation or position usually put
Relationship is merely for convenience of describing the present invention and simplifying the description, rather than the device or element of indication or suggestion meaning must
There must be specific orientation, be constructed and operated in a specific orientation, therefore should not be understood as limiting the present invention.
In addition, in the present invention unless specifically defined or limited otherwise, fisrt feature on second feature or
Under may include that the first and second features directly contact, may include the first and second features be not direct contact but logical yet
Cross the other characterisation contact between them.Moreover, fisrt feature is on second feature, top and above include fisrt feature
Right above second feature and oblique upper, or first feature horizontal height is merely representative of higher than second feature.Fisrt feature is
Under two features, lower section and fisrt feature included below be directly below and diagonally below the second feature, or be merely representative of fisrt feature
Level height is less than second feature.
In addition, the terms such as term "horizontal", "vertical" are not offered as requiring component abswolute level or pendency, but can be slightly
Low dip.It is not to indicate that the structure has been had to if "horizontal" only refers to that its direction is more horizontal with respect to for "vertical"
It is complete horizontal, but can be slightly tilted.
In the description of the present invention, it should also be noted that, unless otherwise clearly defined and limited, term " is set
Set ", " connected ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or integrally
Connection；It can be mechanical connection, be also possible to be electrically connected；Can be directly connected, can also indirectly connected through an intermediary,
It can be the connection inside two elements.For the ordinary skill in the art, above-mentioned art can be understood with concrete condition
The concrete meaning of language in the present invention.
Referring to Fig. 1, a kind of multistage liquid level detection system of the utility model includes control device 11, detection device 12, supplies
Electric installation 13, alarm 14 and indicator light 15；The control device 11 respectively with the detection device 12, the power supply unit
13, the alarm 14, the indicator light 15 are electrically connected；The power supply unit 13 is electrically connected with the detection device 12.
Referring to Fig. 2, the detection device 12 includes detection circuit and sensing probe, the detection circuit includes multiple liquid
Position detection path, adjusts circuit and storage chip at detection chip；The detection chip respectively with the adjusting circuit, described deposit
Chip, the electrical connection of the control device 11 are stored up, one end of each level sensing access passes through one 10K ohm of resistance
It is electrically connected with a foot of the detection chip, the other end is connect with a sensing probe.
The control device 11 is MCU, model KF8V200-20.
The detection chip is 28 feet, model ADATW12.
The adjusting circuit includes four capacitors C1, C2, C3 and C4；The capacitor C4 and capacitor C3 is in parallel, simultaneously
One foot of one end and the detection chip after connection is electrically connected, one end of the other end and the capacitor C1, the capacitor C2
One end electrical connection；The other end and input voltage of the capacitor C1 is electrically connected；The other end of the capacitor C2 with it is described
One foot of detection chip is electrically connected；The capacitor C1, the capacitor C2, the capacitor C3 and the capacitor C4 capacitance get over
Greatly, the sensitivity of the detection device 12 is higher.
The model ADE02 of the storage chip is used to storing data.
The sensing probe is conductive material, is stainless pin, copper foil or iron plate.
The power supply unit 13 be dry cell batteries or by rectification circuit and transforming circuit 220V AC conversion at
Direct current；The power supply unit 13 is that the control device 11 and the detection device 12 provide electric energy.
The alarm 14 is buzzer or loudspeaker, and the signal for receiving the control device 11 carries out warning note.
The indicator light 15 is LED light, and the signal for receiving the control device 11 is lighted, its main prompt is made
With.
A kind of working principle of multistage liquid level detection system of the utility model are as follows:
Multiple sensing probes are electrically connected with multiple level sensing accesses respectively, multiple sensing probes point
The different height of the outer surface of nonmetallic vessel is not set, when the liquid level in nonmetallic vessel reaches some described sensing probe
When the position of setting, the testing principle based on capacitance sensing, the sensing probe is passed by the connected level sensing access
Pass the detection chip one electric signal, electric signal is passed to the control device 11 and is handled by the detection signal,
When reaching some value of setting, the control device 11 controls the alarm of alarm 14 respectively, the LED light is paid attention to
It lights and warns, user is reminded to pay close attention to the liquid level situation in nonmetallic vessel；It simultaneously can be by adjusting in the adjusting circuit
The capacitance of four capacitors changes the sensitivity of the detection chip, and the capacitance of four capacitors is bigger, the detection core
The sensitivity of piece is higher, and the storage chip stores the Sensitirity va1ue of the detection chip.
A kind of multistage liquid level detection system of the utility model compared with prior art, has technical effect below:
A kind of the utility model multistage liquid level detection system is set by detection chip, multiple sensing probe different heights
The interaction of circuit and storage chip is set, adjusts, so that this fluid level detection system has the detection function of multistage liquid level；Institute
Stating sensing probe can be set the service life that sensing probe is extended in the outer surface of nonmetallic vessel, reduce level sensing system
The failure of system, improves user experience；The capacitance that circuit can be adjusted by changing simultaneously, changes the spirit of liquid level detection system
Sensitivity allows liquid level detection system to carry out corresponding setting for different demands, increases making for liquid level detection system
Use scene.
The above is only the preferred embodiments of the utility model, are not intended to limit the utility model, for this field
Technical staff for, various modifications and changes may be made to the present invention.Within the spirit and principle of the utility model,
Any modification, equivalent replacement, improvement and so on should be included within the scope of protection of this utility model.
Claims (10)
1. a kind of multistage liquid level detection system, which is characterized in that it includes control device, detection device, power supply unit, alarm
And indicator light；The control device is electric with the detection device, the power supply unit, the alarm, the indicator light respectively
Gas connection；The power supply unit and the detection device are electrically connected；The detection device includes detection circuit and sensing probe,
The detection circuit includes multiple level sensing accesses, detection chip, adjusts circuit and storage chip；The detection chip difference
It is electrically connected with the adjusting circuit, the storage chip, the control device, one end of each level sensing access is logical
A foot for crossing a resistance and the detection chip is electrically connected, and the other end is connect with a sensing probe.
2. a kind of multistage liquid level detection system according to claim 1, which is characterized in that the control device is MCU,
Model KF8V200-20.
3. a kind of multistage liquid level detection system according to claim 1, which is characterized in that the detection chip is 28 feet,
Its model ADATW12.
4. a kind of multistage liquid level detection system according to claim 1, which is characterized in that the adjusting circuit includes four
Capacitor C1, C2, C3 and C4；The capacitor C4 and capacitor C3 is in parallel, and one of one end and the detection chip after parallel connection
One end of foot electrical connection, the other end and the capacitor C1, one end of the capacitor C2 are electrically connected；The capacitor C1's is another
One end and input voltage are electrically connected；The other end of the capacitor C2 and a foot of the detection chip are electrically connected.
5. a kind of multistage liquid level detection system according to claim 1, which is characterized in that the model of the storage chip
ADE02。
6. a kind of multistage liquid level detection system according to claim 1, which is characterized in that the material of the sensing probe is
Conductive material.
7. a kind of multistage liquid level detection system according to claim 6, which is characterized in that the sensing probe is stainless steel
Needle, copper foil or iron plate.
8. a kind of multistage liquid level detection system according to claim 1, which is characterized in that the power supply unit is dry cell
Group passes through rectification circuit and transforming circuit 220V AC conversion into direct current.
9. a kind of multistage liquid level detection system according to claim 1-8, which is characterized in that the alarm is
Buzzer or loudspeaker.
10. a kind of multistage liquid level detection system according to claim 1-8, which is characterized in that the indicator light
For LED light.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920381859.XU CN209459733U (en) | 2019-03-25 | 2019-03-25 | A kind of multistage liquid level detection system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920381859.XU CN209459733U (en) | 2019-03-25 | 2019-03-25 | A kind of multistage liquid level detection system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209459733U true CN209459733U (en) | 2019-10-01 |
Family
ID=68047486
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920381859.XU Active CN209459733U (en) | 2019-03-25 | 2019-03-25 | A kind of multistage liquid level detection system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209459733U (en) |
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2019
- 2019-03-25 CN CN201920381859.XU patent/CN209459733U/en active Active
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