CN207095647U - A kind of throw-in type high-accuracy water level sensor - Google Patents
A kind of throw-in type high-accuracy water level sensor Download PDFInfo
- Publication number
- CN207095647U CN207095647U CN201720972806.6U CN201720972806U CN207095647U CN 207095647 U CN207095647 U CN 207095647U CN 201720972806 U CN201720972806 U CN 201720972806U CN 207095647 U CN207095647 U CN 207095647U
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- China
- Prior art keywords
- water level
- cable
- stainless steel
- throw
- level sensor
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- Expired - Fee Related
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Abstract
The utility model discloses a kind of throw-in type high-accuracy water level sensor,Including body of stainless steel,The body of stainless steel is provided with tracting pressuring hole,And body of stainless steel is internally provided with high accuracy diffusion silicon pressure drag device,The high accuracy diffusion silicon pressure drag device bottom is provided with simulated modulation circuit,The simulated modulation circuit bottom is provided with cable,And the end set of cable has closing waterproof sleeve,The cable is provided with sealing ring,And sealing ring top is provided with connection valve,The connection valve top is provided with circuit box,The circuit box top is provided with protective housing,The protective housing is internally provided with analog-digital converter,The analog-digital converter top is provided with microprocessor,And it is provided with fixed thread on the right side of microprocessor,LED display is provided with the right side of the fixed thread,It is simple in construction,It is easy to operate,It is flexible for installation,Calibration facility,It can show at the scene,Using high accuracy diffusion silicon and high-precision analog modulate circuit,Precision ± 1mm measurement can be realized in the range of 0 1m.
Description
Technical field
A kind of electronic instrument technology field is the utility model is related to, specially a kind of throw-in type high-accuracy water level sensor.
Background technology
Level sensor is a kind of instrument for being used for measuring water level height, and it is mainly used to measure the change of water level, in addition,
In industrial and agricultural production, water-level gauge also has been widely used.With the development of China's economic society, to the continuous proposition of hydrographic information
New requirement, research and development and application to observation method and method and hydrologic monitoring technology propose higher and higher requirement；It is existing
For developing rapidly for electronic technology, sensing technology, the communication technology and computer technology, the automation of hydrologic monitoring technology is also promoted
Development.In the application of water, need to realize the control and measurement of water level using level sensor sometimes.The connection of water level sensing unit
Line is longer, and the connecting line of existing water detection unit is caused using the quarantine measures of shielding line etc. to water and wastewater industry automated system
Certain economic loss and operation is difficult.Existing another water and wastewater industry automated system, normally only possesses low water level, reclaimed water
Position and the detection function of high water level, because the probe of water level sensing unit is infiltrated in water for a long time, easily lost because getting rusty oxidation
Effect, no normal direction water and wastewater industry automation control system transmit accurate water level detecting signal, cause great water to be lost in loss.It is existing
There is the level sensor used in life that there is cable plug and electrode wires, the free end of electrode wires is connected with electrode spy
Head, in use, level sensor is placed vertically, naturally droop electrode wires, when the probe of more electrode wires is in below the water surface
When, more electrode wires are easily intertwined in water float, influence detection of the electrode probe to water level.In addition, electrode wires
Electrode probe be also easy to be wrapped up by dirt, also influence testing result.
Utility model content
The purpose of this utility model is to provide a kind of throw-in type high-accuracy water level sensor, and to solve, precision is low and operation
The problem of cumbersome.
To achieve the above object, the utility model provides a kind of following throw-in type high-accuracy water level sensor of technical scheme,
Including body of stainless steel, the body of stainless steel is provided with tracting pressuring hole, and body of stainless steel is internally provided with high accuracy diffusion silicon pressure drag device,
The high accuracy diffusion silicon pressure drag device bottom is provided with simulated modulation circuit, and the simulated modulation circuit bottom is provided with cable,
And the end set of cable has closing waterproof sleeve, the cable is provided with sealing ring, and sealing ring top is provided with connection valve,
The connection valve top is provided with circuit box, and the circuit box top is provided with protective housing, set inside the protective housing
There is analog-digital converter, the analog-digital converter top is provided with microprocessor, and is provided with fixed thread on the right side of microprocessor, institute
State and be provided with LED display on the right side of fixed thread.
Preferably, the microprocessor, analog-digital converter, LED display, circuit box and high accuracy diffusion silicon pressure drag device electricity
Property connection.
Preferably, the Exterior cable is provided with the soft rubber sleeve with shielding.
Preferably, the tracting pressuring hole is uniformly distributed in the end of body of stainless steel, and tracting pressuring hole is provided with one layer of filter membrane.
Preferably, the circuit box is internally provided with ammeter, resistor and small battery.
Compared with prior art, the beneficial effects of the utility model are：It is simple in construction, easy to operate, flexible for installation, calibration
It is convenient, it can at the scene show, using high accuracy diffusion silicon and high-precision analog modulate circuit, essence can be realized in the range of 0-1m
Degree ± 1mm measurement.
Brief description of the drawings
Fig. 1 is the utility model structure diagram.
In figure：1--LED display screens, 2-- protective housing, 3-- sealing rings, 4-- tracting pressuring holes, 5-- spread silicon pressure drag in high precision
Device, 6-- simulated modulations circuit, 7-- closing waterproofs sleeve, 8-- cables, 9-- body of stainless steel, 10-- fixed threads, the micro- places of 11--
Manage device, 12-- analog-digital converters, 13-- circuit box, 14-- connection valves.
Embodiment
Below in conjunction with the accompanying drawing in the utility model embodiment, the technical scheme in the embodiment of the utility model is carried out
Clearly and completely describing, it is clear that described embodiment is only the utility model part of the embodiment, rather than whole
Embodiment.Based on the embodiment in the utility model, those of ordinary skill in the art are not under the premise of creative work is made
The every other embodiment obtained, belong to the scope of the utility model protection.
Referring to Fig. 1, the utility model provides a kind of technical scheme：A kind of throw-in type high-accuracy water level sensor, including
Body of stainless steel, the body of stainless steel 9 are provided with tracting pressuring hole 4, are introduced into water to measure pressure in water, and the inside of body of stainless steel 9 is set
There is high accuracy diffusion silicon pressure drag device 5, sense hydraulic pressure, the bottom of high accuracy diffusion silicon pressure drag device 5 is provided with simulated modulation circuit
6, generate and arrange analog signal, the bottom of simulated modulation circuit 6 is provided with cable 8, transmits signals to analog-digital converter
12, and the end set of cable 8 has closing waterproof sleeve 7, the cable 8 is provided with sealing ring 3, prevents dust from entering equipment
In, data precision is influenceed, and the top of sealing ring 3 is provided with connection valve 14, connects equipment, the top of connection valve 14 is provided with electricity
Road box 13, the top of circuit box 13 are provided with protective housing 2, protect interior arrangement not to be damaged, shockproof, waterproof, the protection
Housing 2 is internally provided with analog-digital converter 12, obtained analog signal is converted into data signal, on the analog-digital converter 12
Portion is provided with microprocessor 11, handles obtained hydraulic pressure data, and the right side of microprocessor 11 is provided with fixed thread 10, can pass through
Fixed thread 10 is fixed on support, and the right side of fixed thread 10 is provided with LED display 1, shows water level, the microprocessor
Device 11, analog-digital converter 12, LED display 1, circuit box 13 and high accuracy diffusion silicon pressure drag device 5 are electrically connected with, the cable 8
Outside is provided with the soft rubber sleeve with shielding, prevents outside electromagnetic interference, the tracting pressuring hole 4 uniformly divides in the end of body of stainless steel 9
Cloth, and tracting pressuring hole 4 is provided with one layer of filter membrane, prevents the impurity in water from entering inside body of stainless steel 9, inside the circuit box 13
It is provided with ammeter, resistor and small battery, built-up circuit system.
Operation principle：Body of stainless steel 9 is put into water, water enters body of stainless steel 9 from tracting pressuring hole 4, and water touches height
Precision diffusion silicon pressure drag device 5, high accuracy spreads silicon pressure drag device 5 and obtains analog signal, and cable is transmitted to by simulated modulation circuit 6
8, circuit box 13 is transmitted to from cable 8, analog-digital converter 12 is transmitted to by circuit box 13, analog-digital converter 12 turns analog signal
Data signal is changed to, then is shown after being handled by microprocessor 11 in LED display 1.
Although the utility model is described in detail with reference to the foregoing embodiments, come for those skilled in the art
Say, it can still be modified to the technical scheme described in foregoing embodiments, or which part technical characteristic is entered
Row equivalent substitution, all within the spirit and principles of the utility model, any modification, equivalent substitution and improvements made etc., all should
Within the scope of protection of the utility model.
Claims (5)
1. a kind of throw-in type high-accuracy water level sensor, including body of stainless steel（9）, it is characterised in that：The body of stainless steel（9）If
It is equipped with tracting pressuring hole（4）, and body of stainless steel（9）It is internally provided with high accuracy diffusion silicon pressure drag device（5）, the high accuracy diffusion silicon pressure
Hinder device（5）Bottom is provided with simulated modulation circuit（6）, the simulated modulation circuit（6）Bottom is provided with cable（8）, and cable
（8）End set have closing waterproof sleeve（7）, the cable（8）It is provided with sealing ring（3）, and sealing ring（3）Top is set
There is connection valve（14）, the connection valve（14）Top is provided with circuit box（13）, the circuit box（13）Top is provided with protection
Housing（2）, the protective housing（2）It is internally provided with analog-digital converter（12）, the analog-digital converter（12）Top is provided with
Microprocessor（11）, and microprocessor（11）Right side is provided with fixed thread（10）, the fixed thread（10）Right side is provided with
LED display（1）.
A kind of 2. throw-in type high-accuracy water level sensor according to claim 1, it is characterised in that：The microprocessor
（11）, analog-digital converter（12）, LED display（1）, circuit box（13）Silicon pressure drag device is spread with high accuracy（5）It is electrically connected with.
A kind of 3. throw-in type high-accuracy water level sensor according to claim 1, it is characterised in that：The cable（8）Outside
Portion is provided with the soft rubber sleeve with shielding.
A kind of 4. throw-in type high-accuracy water level sensor according to claim 1, it is characterised in that：The tracting pressuring hole（4）
It is uniformly distributed in the end of body of stainless steel, and tracting pressuring hole（4）It is provided with one layer of filter membrane.
A kind of 5. throw-in type high-accuracy water level sensor according to claim 1, it is characterised in that：The circuit box（13）
It is internally provided with ammeter, resistor and small battery.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720972806.6U CN207095647U (en) | 2017-08-07 | 2017-08-07 | A kind of throw-in type high-accuracy water level sensor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720972806.6U CN207095647U (en) | 2017-08-07 | 2017-08-07 | A kind of throw-in type high-accuracy water level sensor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207095647U true CN207095647U (en) | 2018-03-13 |
Family
ID=61544201
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720972806.6U Expired - Fee Related CN207095647U (en) | 2017-08-07 | 2017-08-07 | A kind of throw-in type high-accuracy water level sensor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207095647U (en) |
-
2017
- 2017-08-07 CN CN201720972806.6U patent/CN207095647U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180313 Termination date: 20200807 |