CN207717189U - A kind of novel capacitance-type water-level detecting device - Google Patents
A kind of novel capacitance-type water-level detecting device Download PDFInfo
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- CN207717189U CN207717189U CN201820071179.3U CN201820071179U CN207717189U CN 207717189 U CN207717189 U CN 207717189U CN 201820071179 U CN201820071179 U CN 201820071179U CN 207717189 U CN207717189 U CN 207717189U
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Abstract
The utility model discloses a kind of novel capacitance-type water-level detecting devices, are made of shell of tank, multiple metal electrodes, microcontroller and peripheral circuit；Wherein, the semaphore of the sensed water level is capacitance, is sealing between the metal electrode and the shell of tank.The microcontroller with capacitance detection is to be integrated with the IC of artificial capacitor amount detection module, while it bears signals processing and systems control.The novel capacitance-type water-level detecting device of the utility model uses multimetering mode, improves precision and the sensitivity of detection, improves the reliability of device；The novel capacitance-type water-level detecting device of the utility model is not limited to volume of a container shape, is suitable for more occasions.
Description
Technical field
The utility model, which belongs to, measures control electronics, sensing detection device technical field, more particularly to a kind of Novel electric
Appearance formula water-level detecting device.
Background technology
Water-level detecting device is a kind of sensing detection electronic equipment.It is used to perceive the SEA LEVEL VARIATION in container, to reach
The effects that SEA LEVEL VARIATION information in real-time report or forecast container, control adjusts the water in container.Water-level detecting device
Can installation calibrating be carried out by Electronics Engineer, Facilities Engineer or trained technical staff, to meet different application
The specific needs of occasion.Currently on the market comparative maturity and it is most widely used be condenser type and gravity type water-level detecting device.It is right
There is following limitation in capacitance water level measurer：1) conventional water level detection circuit is mainly by the sensor and signal of profession
Processing controller forms, and circuit is complicated and cost is higher；2) capacitance of conventional condenser water-level detecting device detection is relatively single
One, reliability is relatively low, and measurement accuracy is difficult to ensure with sensitivity；3) conventional condenser water-level detecting device is used for capacitance detecting
Metal electrode it is exposed be in direct contact with water, for a long time metal electrode be easy oxidation, attachment mineral scale and failure；4) traditional
The metal electrode of capacitance water level measurer is larger, is not easy to installation cleaning.
Therefore, how to improve the reliability of water-level detecting device and measurement accuracy is that those skilled in the art need to solve
The problem of.
Utility model content
The purpose of this utility model is to provide a kind of novel capacitance-type water-level detecting device, while reducing assembling difficulty,
Improve the measurement accuracy and reliability of water-level detecting device.
To achieve the above object, technical solution adopted in the utility model is：
The utility model embodiment discloses a kind of novel capacitance-type water-level detecting device, including：
Shell of tank, multiple metal electrodes, microcontroller and peripheral circuit；
Each metal electrode is installed on the shell of tank, and the bottom of the shell of tank is at least installed described in one
Metal electrode；The first end of each metal electrode is located at the inside of the shell of tank, the second end of each metal electrode
Positioned at the outside of the shell of tank；
The microcontroller and the peripheral circuit are connect with the second end of each metal electrode with to each described
The capacitance of metal electrode is analyzed to obtain water level corresponding with the capacitance.
Preferably, the chamber wall of the shell of tank is provided with multiple round through holes, and each metal electrode passes through
The circle through hole is installed on the shell of tank.
Preferably, each round through hole is arranged at equal intervals on the axis perpendicular to the shell of tank bottom,
Then corresponding, each metal electrode is installed at equal intervals on the axis perpendicular to the shell of tank bottom.
Preferably, the chamber wall of the shell of tank is provided with multiple round half through holes, and each metal electrode is logical
It crosses round half through hole and is installed on the shell of tank.
Preferably, the metal electrode is specially metal cylinder body nut.
Preferably, the diameter of the metal electrode is specially 3-5 millimeters.
Preferably, the metal electrode is specially metal copper electrode.
Preferably, the metal electrode is coated with insulative water-proof coating.
Preferably, the microcontroller includes：Power module and microprocessor；
The power module is connect with the microprocessor with to the microprocessor power supply.
Preferably, the microcontroller and the peripheral circuit are fixed on the outside of the shell of tank by fixing piece
Wall.
Preferably, the fixing piece be specially metal screws and with the matched metal nuts of the metal screws.
As it can be seen that a kind of capacitance water level measurer disclosed in the utility model embodiment, by being installed on shell of tank
Multiple metal electrodes measure the capacitance of the water body inside shell of tank, then by microcontroller and peripheral circuit to the electricity
Capacity is analyzed to obtain water level corresponding with capacitance；Wherein, the bottom of shell of tank is at least installed there are one metal electrode,
And the first end of metal electrode is located at the inside of shell of tank, the second end of metal electrode is located at the outside of shell of tank, micro-control
Device and peripheral circuit processed are connect with the second end of each metal electrode.Therefore, in the present solution, it is more by being arranged in shell of tank
A metal electrode leads to not measure water level, improves water when being damaged so as to avoid single capacitive detector part
The reliability of position detection.Meanwhile by installing multiple metal electrodes on shell of tank, examined so as to avoid traditional condenser type
Device low problem of measurement accuracy caused by Single Capacitance amount is surveyed, secondly, the utility model is utilized with capacitance
The microcontroller of analysis so that the structure of circuit is more succinct, and the cost of circuit is cheaper.
Description of the drawings
Fig. 1 is a kind of organigram of novel capacitance-type water-level detecting device disclosed by the utility model；
Fig. 2 is the structure of the control circuit board in a kind of capacitance water level measurer disclosed in the utility model embodiment
Schematic diagram；
Fig. 3 is a kind of partial structural diagram of capacitance water level measurer disclosed in the utility model embodiment.
Specific implementation mode
In order to deepen the understanding to the utility model, the utility model is made with reference to embodiment and attached drawing further
It is described in detail, which is only used for explaining the utility model, does not constitute the restriction to scope of protection of the utility model.
The meaning of " inside and outside " described in the utility model refers to relative to water-level detecting device itself, being directed toward
Direction inside water-level detecting device be it is interior, otherwise is outer, rather than the water-level detecting device to the utility model specific restriction.
When the meaning of " left and right " described in the utility model refers to reader's face attached drawing, the left side of reader is
For a left side, the right of reader is the right side, rather than the water-level detecting device to the utility model specific restriction.
The meaning of " connection " described in the utility model can be directly connected to can also be between component between component
Pass through being indirectly connected with for other components.
Fig. 1 is referred to, Fig. 1 is a kind of structural representation of capacitance water level measurer disclosed in the utility model embodiment
Figure；Including：Shell of tank 1, multiple metal electrodes 2, microcontroller 3 and peripheral circuit 4；Wherein, each metal electrode 2 is installed on
Shell of tank 1, and a metal electrode 2 is at least installed in the bottom of shell of tank 1, the first end of each metal electrode 2 is located at
The inside of shell of tank 1, the second end of each metal electrode 2 are located at the outside of shell of tank 1；Microcontroller 3 and peripheral circuit 4
It is analyzed with the capacitance to each metal electrode 2 with the connection of the second end of each metal electrode 2 corresponding with capacitance to obtain
Water level.
Specifically, in the present embodiment, shell of tank 1 is water-containing cavity container, and volume appearance is unlimited, by organic polymer
Manufacture.In order to which each metal electrode 2 is installed on shell of tank 1, as preferred embodiment.It is set on the chamber wall of shell of tank 1
Multiple round through holes are equipped with, each metal electrode 2 is installed on shell of tank 1 by round through hole；Wherein, as preferred
Embodiment, round through hole is arranged at equal intervals on the axis perpendicular to 1 bottom of shell of tank, then corresponding, each metal
Electrode 2 is installed at equal intervals on the axis perpendicular to 1 bottom of shell of tank；Certainly, according to actual conditions, round through hole
Set-up mode may be other modes, herein and be not construed as limiting.The diameter phase of the diameter of round through hole and metal electrode 2
It adapts to, as preferred embodiment, metal electrode 2 is specially metal cylinder body nut, a diameter of 3-5 millimeters of metal electrode 2,
Metal electrode 2 is metal copper electrode.Wherein, endcapped in metal cylinder body nut；The end of multiple metal cylinder body nuts
The in-molded positive electrode for being detected capacitance with composition in the through-hole of shell of tank 1 is worn respectively, and in-molded technology makes it
It is became one with shell of tank 1, secure seal；It should be noted that be set to the hole road shape of shell of tank 1, size and
Installation position can be configured according to actual conditions, and the utility model embodiment herein and is not construed as limiting；Secondly, shell of tank
1 volume, appearance etc. will not impact the implementation of the utility model embodiment；Finally, the size, shape of metal electrode 2
The type of shape and metal electrode 2 can also be set according to actual conditions, and metal electrode 2 and be set to shell of tank 1
Duct between keep sealing, sealing means may be used sealing ring sealing, naturally it is also possible to be other sealing means, this practicality
It is novel to be not construed as limiting herein.
As preferred embodiment, the chamber wall of shell of tank 1 is provided with multiple round half through holes, each metal electrode
2 are installed on shell of tank 1 by round half through hole.
In the present embodiment, round half through hole keeps sealing in the madial wall close to shell of tank 1, in shell of tank 1
Lateral wall hole is set, metal electrode 2 is installed in each round half through hole, and metal electrode 2 is in shell of tank
Within 0.5 millimeter, effect is more satisfactory for the distance between one end of side and the liquid in shell of tank 1.
Wherein, installation position of round half through hole on shell of tank 1 can be along perpendicular to 1 bottom of shell of tank
It is installed at equal intervals on the axis in portion.
It should be noted that the size of round half through hole is adapted with the size of metal electrode 2 in the present embodiment, half
The installation position of round through hole can be other modes, herein and be not construed as limiting.Gold is installed using semicircle through hole
When belonging to electrode 2, insulative water-proof coating 5 can not be applied on metal electrode 2, certainly, insulative water-proof coating 5 is coated on metal electrode 2
The implementation of the utility model embodiment will not be impacted.
When being in water in view of metal electrode 2, metal can be caused to corrode, therefore, as preferred embodiment, metal
Electrode 2 is coated with insulative water-proof coating 5.
Insulative water-proof coating 5 can be made of aqueous polyurethane dispersion and acrylic acid ester emulsion, coating emphasis covering gold
Belonging to the first end that electrode 2 is located at the inside of shell of tank 1, thickness is advisable at 0.1-0.5 millimeters, certainly, insulative water-proof coating 5
Type and the thickness of coating the implementation of the utility model embodiment will not be impacted, therefore, the utility model is not
It is construed as limiting.
As it can be seen that in the present embodiment, the surface of metal electrode is covered with insulative water-proof coating 5 so that metal electrode more securely,
It is not easy to be aoxidized attachment, metal electrode service life, the Stability and dependability of intensifier detection is increased with this.
Fig. 2 is the structure of the control circuit board in a kind of capacitance water level measurer disclosed in the utility model embodiment
Schematic diagram；As preferred embodiment, the microcontroller 3 with capacitance detection is by 302 groups of power module 301, microprocessor
At wherein power module 301 is mainly that microprocessor 302 provides electric energy, can be by microprocessor 302,301 periphery of power module
Circuit 4 may be contained on circuit board, and setting via pad array 303 on circuit boards, microprocessor 302 are to be internally integrated
The IC of artificial capacitor detection module is used and is manufactured based on 90 nanometers of CMOS technology, passes through peripheral pin and via pad
Array 303 is connected one by one successively, via pad array 303 with it is above-mentioned it is in-molded in shell of tank 1 on metal electrode 2 exist
It is corresponded on spatial position, it is 3-5 millimeters that internal diameter is manufactured on PCB, and outer diameter is 5-8 millimeters.As preferred reality
Apply example, microcontroller 3 and peripheral circuit 4 are fixed on the lateral wall of shell of tank 1 by fixing piece, certainly, microcontroller 3 with
And peripheral circuit 4 can also be set to the outside of shell of tank 1 by way of non-contact shell of tank 1, microcontroller 3 and
Peripheral circuit 4 is located at the specific location the utility model in 1 outside of shell of tank herein and is not construed as limiting.Implement as preferred
Example, fixing piece be specially metal screws and with the matched metal nuts of metal screws, certainly, fixing piece is according to actual conditions
May be other types, the utility model herein and is not construed as limiting.Above-mentioned metal screws 4 are by the outer lateral of shell of tank 1
Inside screws, and the via pad on circuit board is screwed into the metal nuts of 1 inside of shell of tank, and screw terminal is tight with via pad
Patch.
Metal screws connect metal electrode 2 and the microcontroller 3 with capacitance detection, it is made to constitute a complete electricity
Appearance formula water level detection circuit system, metal screws can be the zinc-plated machine screws of M3 or M4, and 4-6 millimeters of length is certain, metal
Material, size, shape of screw etc. may be other types, and the utility model herein and is not construed as limiting.
Above-mentioned detected capacitance, principle of compositionality is as shown in figure 3, Fig. 3 is a kind of disclosed in the utility model embodiment
The partial structural diagram of capacitance water level measurer, the metal for being followed successively by water from inside to outside, being coated with insulative water-proof coating 5
Electrode 2, water body serve as the negative plate of capacitance, and metal electrode 2 serves as the positive plate of capacitance.By metal electrode 2 and microcontroller 3 according to
It is secondary to be attached assembling, and then constitute the novel capacitance-type water-level detecting device in the utility model embodiment.Again by all portions
Part is sequentially connected assembling.
As it can be seen that a kind of novel capacitance-type water-level detecting device disclosed in the utility model embodiment, by being installed on container
Multiple metal electrodes of shell measure the capacitance of the water body inside shell of tank, then pass through microcontroller and peripheral circuit pair
The capacitance is analyzed to obtain water level corresponding with capacitance；Wherein, the bottom of shell of tank is at least installed there are one metal
Electrode, and the first end of metal electrode is located at the inside of shell of tank, the second end of metal electrode is located at the outside of shell of tank,
Microcontroller and peripheral circuit are connect with the second end of each metal electrode.Therefore, in the present solution, by being set in shell of tank
Multiple metal electrodes are set, when damaging so as to avoid single capacitive detector part, lead to not measure water level, are improved
The reliability of water level detecting.Meanwhile by installing multiple metal electrodes on shell of tank, so as to avoid traditional capacitance
Formula detection device low problem of measurement accuracy caused by Single Capacitance amount, secondly, the utility model are utilized with electricity
The microcontroller of capacity analysis so that the structure of circuit is more succinct, and the cost of circuit is cheaper.
It should be noted that a kind of novel capacitance-type water-level detecting device disclosed by the utility model is to objective for implementation container
Volumetric bulk without particular/special requirement；The object of detection is not limited to water, equally applicable for the liquid that can constitute capacity effect；This
Utility model is not the measuring instrument of profession, just for the water level or liquid detecting in fixed container.
Each embodiment is described by the way of progressive in specification, the highlights of each of the examples are with other realities
Apply the difference of example, just to refer each other for identical similar portion between each embodiment.For device disclosed in embodiment
Speech, since it is corresponded to the methods disclosed in the examples, so description is fairly simple, related place is referring to method part illustration
.
It should also be noted that, in the present specification, relational terms such as first and second and the like be used merely to by
One entity or operation are distinguished with another entity or operation, without necessarily requiring or implying these entities or operation
Between there are any actual relationship or orders.Moreover, the terms "include", "comprise" or its any other variant meaning
Covering non-exclusive inclusion, so that the process, method, article or equipment including a series of elements includes not only that
A little elements, but also include other elements that are not explicitly listed, or further include for this process, method, article or
The intrinsic element of equipment.In the absence of more restrictions, the element limited by sentence "including a ...", is not arranged
Except there is also other identical elements in the process, method, article or apparatus that includes the element.
Claims (11)
1. a kind of novel capacitance-type water-level detecting device, which is characterized in that including：Shell of tank, multiple metal electrodes, microcontroller
Device and peripheral circuit；
Each metal electrode is installed on the shell of tank, and a metal is at least installed in the bottom of the shell of tank
Electrode；The first end of each metal electrode is located at the inside of the shell of tank, and the second end of each metal electrode is located at
The outside of the shell of tank；
The microcontroller and the peripheral circuit are connect with the second end of each metal electrode with to each metal
The capacitance of electrode is analyzed to obtain water level corresponding with the capacitance.
2. novel capacitance-type water-level detecting device according to claim 1, which is characterized in that the container of the shell of tank
Wall is provided with multiple round through holes, and each metal electrode is installed on by the round through hole outside the container
Shell.
3. novel capacitance-type water-level detecting device according to claim 2, which is characterized in that each round through hole
It is arranged at equal intervals on the axis perpendicular to the shell of tank bottom, then corresponding, each metal electrode is perpendicular to institute
It states and is installed at equal intervals on the axis of shell of tank bottom.
4. novel capacitance-type water-level detecting device according to claim 1, which is characterized in that the container of the shell of tank
Wall is provided with multiple round half through holes, and each metal electrode is installed on the container by round half through hole
Shell.
5. novel capacitance-type water-level detecting device according to claim 1, which is characterized in that the metal electrode is specially
Metal cylinder body nut.
6. novel capacitance-type water-level detecting device according to claim 5, which is characterized in that the diameter of the metal electrode
Specially 3-5 millimeters.
7. novel capacitance-type water-level detecting device according to claim 1, which is characterized in that the metal electrode is specially
Metal copper electrode.
8. novel capacitance-type water-level detecting device according to claim 1, which is characterized in that the metal electrode is coated with absolutely
Edge waterproof coating.
9. novel capacitance-type water-level detecting device according to claim 1, which is characterized in that the microcontroller includes：
Power module and microprocessor；
The power module is connect with the microprocessor with to the microprocessor power supply.
10. novel capacitance-type water-level detecting device according to claim 1, which is characterized in that the microcontroller and
The peripheral circuit is fixed on the lateral wall of the shell of tank by fixing piece.
11. novel capacitance-type water-level detecting device according to claim 10, which is characterized in that the fixing piece is specially
Metal screws and with the matched metal nuts of the metal screws.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820071179.3U CN207717189U (en) | 2018-01-16 | 2018-01-16 | A kind of novel capacitance-type water-level detecting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820071179.3U CN207717189U (en) | 2018-01-16 | 2018-01-16 | A kind of novel capacitance-type water-level detecting device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207717189U true CN207717189U (en) | 2018-08-10 |
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ID=63052344
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820071179.3U Active CN207717189U (en) | 2018-01-16 | 2018-01-16 | A kind of novel capacitance-type water-level detecting device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207717189U (en) |
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2018
- 2018-01-16 CN CN201820071179.3U patent/CN207717189U/en active Active
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