CN208421256U - Water sensor - Google Patents
Water sensor Download PDFInfo
- Publication number
- CN208421256U CN208421256U CN201820757890.4U CN201820757890U CN208421256U CN 208421256 U CN208421256 U CN 208421256U CN 201820757890 U CN201820757890 U CN 201820757890U CN 208421256 U CN208421256 U CN 208421256U
- Authority
- CN
- China
- Prior art keywords
- probe
- electric wire
- water
- water logging
- fixedly connected
- 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.)
- Expired - Fee Related
Links
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A90/00—Technologies having an indirect contribution to adaptation to climate change
- Y02A90/30—Assessment of water resources
Landscapes
- Measurement Of Levels Of Liquids Or Fluent Solid Materials (AREA)
Abstract
The utility model discloses water sensors, including sensor main body, probe and sensor circuit, the sensor main body bottom is fixedly connected with connection electric wire, the bottom end of connection electric wire is fixedly connected with probe, it pops one's head in and is fixedly connected relative to the other end for being connected with connection electric wire there are two spaced apart probe, the bottom end of probe is fixedly connected with detecting head；The probe further includes the probe mounting portion and wired portion arranged in the horizontal direction；Its middle probe mounting portion and wired portion are rubber material, and probe is fixedly plugged in probe mounting portion, include two independent electric wires in connection electric wire；The utility model compared with prior art, using common electronic component, forms simple circuit and realizes water logging warning function, low in cost, can in high volume use on the market, and daily maintenance is simple, convenient for people's lives, reduces unnecessary loss.
Description
Technical field
The utility model relates to a kind of sensors, specifically water sensor.
Background technique
Contact water sensor is detected using liquid conduction principle.The two poles of the earth probe is by air insulation when normal；?
It pops one's head in and is connected under Riddled Condition, sensor is made to issue alarm signal afterwards.
In daily life, the tap water escape being frequently encountered in family, perhaps northern heating metal run out or under
The case where water channel returns dirty water in having blocked up toward own home, can neighbours to oneself or downstairs bring no small economic loss, give family
Front yard life is made troubles, and has many water sensors on the market at present, whether optical reflection type, condenser type, resistance-type, are all infused
Re-detection whether leak, but price is higher, and circuit is complicated, and practicability is bad, and not convenient for safeguarding, sensitivity is low.
Utility model content
The purpose of this utility model is to provide water sensors, to solve the problems mentioned in the above background technology.
To achieve the above object, the utility model provides the following technical solutions:
Water sensor, including sensor main body, probe and sensor circuit, the sensor main body bottom are fixedly connected
There is connection electric wire, the bottom end for connecting electric wire is fixedly connected with probe, pops one's head in and fixes relative to the other end for being connected with connection electric wire
There are two spaced apart probes for connection, and the bottom end of probe is fixedly connected with detecting head；The probe further includes in the horizontal direction
The probe mounting portion and wired portion of arrangement；Its middle probe mounting portion and wired portion are rubber material, and probe is fixed
Be plugged in probe mounting portion, connection electric wire in include two independent electric wires, two independent electric wires respectively with the end of probe
End electrical connection；Probe mounting portion connects with electric wire portion end and is fixedly connected；It is equipped with sensor circuit in the sensor main body, passes
Sensor circuit includes water logging end of probe positive terminal a, water logging end of probe negative terminals b, Transient Suppression Diode D, first
Resistance, triode and second resistance；The water logging end of probe positive terminal a is connected with Transient Suppression Diode D cathode, water
Leaching end of probe positive terminal a is connected with the one of electric wire of electric wire is connect, and water logging end of probe negative terminals b and transient state inhibit
Diode D anode is connected, and water logging end of probe negative terminals b is connected with another electric wire of electric wire is connect；The water logging detection
End positive terminal a is connected with first resistor；The water logging end of probe negative terminals b is connected with ground；The first resistor
One end connects positive metal water logging end of probe, other end connecting triode base stage；The transistor base connection first resistor is used for
Water sensor access, emitter connect second resistance, grounded collector；Described second resistance one end connects V power supply, the other end
The emitter of connecting triode；The water sensor circuit output gives single-chip microcontroller processing circuit.
Further, the thickness of the wired portion vertical direction is by close to probe mounting portion to the side of close detection line
To being gradually increased.
Further, the least significant end of the detecting head is in same level.
Further, the probe and detecting head are conductive metallic material.
Further, the triode is positive-negative-positive structure.
Compared with prior art, the utility model has the beneficial effects that the utility model is compared with prior art, using normal
The electronic component seen forms simple circuit and realizes that water logging warning function, entire circuit are inhibited by two resistance, a transient state
Diode, a triode composition is low in cost, can in high volume use on the market, daily maintenance is simple, facilitates people's
Life, reduces unnecessary loss.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of water sensor.
Fig. 2 is the structural schematic diagram popped one's head in water sensor.
Fig. 3 is the structural schematic diagram of sensor circuit in water sensor.
In figure: 1. main bodys；2. connecting electric wire；3. probe；4. probe；31. probe mounting portion；32. wired portion；41.
Detecting head；Water logging end of probe positive terminal a；Water logging end of probe negative terminals b；Transient Suppression Diode D1；First resistor；
Triode；Second resistance
Specific embodiment
The technical solution of the patent is explained in further detail With reference to embodiment.
Please refer to Fig. 1-3, water sensor, including sensor main body 1, probe 3 and sensor circuit, the sensor master
1 bottom of body is fixedly connected with connection electric wire 2, and the bottom end of connection electric wire 2 is fixedly connected with probe 3, and probe 3 is relative to being connected with
2 other end of connecting wires is fixedly connected there are two spaced apart probe 4, and the bottom end of probe 4 is fixedly connected with detecting head 41, visits
The least significant end of gauge head 41 is in same level, is so just realized each detecting head 41 same time and is touched liquid level, into
And when liquid level rises to alert locations, liquid level can be in contact with each detecting head 41 simultaneously, and then each detecting head 41
It is conducted by liquid level, just forms access in so entire water sensor, achieved the purpose that generate alarm signal；It is described
Probe 3 further includes the probe mounting portion 31 and wired portion 32 arranged in the horizontal direction, 32 vertical direction of wired portion
Thickness close to probe mounting portion 31 to close to the direction of detection line by being gradually increased；Its middle probe mounting portion 31 and wired portion
32 be rubber material, and probe 4 is fixedly plugged in probe mounting portion 31, and connecting includes two independent electric wires in electric wire 2, and two
The independent electric wire of root is electrically connected with the end of probe 4 respectively；Probe mounting portion 31 connects with electric wire 32 end of portion and is fixedly connected.
Sensor circuit is equipped in the sensor main body, sensor circuit includes water logging end of probe positive terminal a, water
Soak end of probe negative terminals b, Transient Suppression Diode D1, first resistor, triode and second resistance；The water logging end of probe
Positive terminal a is connected with Transient Suppression Diode D1 cathode, water logging end of probe positive terminal a with connect electric wire 2 wherein one
A electric wire connection, water logging end of probe negative terminals b are connected with Transient Suppression Diode D1 anode, water logging end of probe negative terminal
End b is connected with another electric wire of electric wire 2 is connect.
The water logging end of probe positive terminal a is connected with first resistor；The water logging end of probe negative terminals b
It is connected with ground.
Described first resistor one end connects positive metal water logging end of probe, other end connecting triode base stage.
The triode is positive-negative-positive structure, and work connects first resistor and sense for water logging in switch state, transistor base
Device access, emitter connect second resistance, grounded collector.
The second resistance, one end connect 5V power supply, the emitter of other end connecting triode.
The water sensor circuit output gives single-chip microcontroller processing circuit, handles water logging signal.
The water logging end of probe of the utility model uses metal material, with the presence of water between two metal water logging end of probe
When, since, there are voltage, water is ionized between two metal water logging end of probe, so that two metal water logging end of probe conductings, electricity
Stream passes through the base stage of first resistor R1 and triode Q1, so that triode Q1 emitter terminal is connected with collector terminal, conducting
Electric current afterwards has R2 control, and the extreme voltage of triode emission becomes high level from low level, this variation is to have water-soaked
Two metal water logging end of probe.This circuit set function of sensor and amplifier is capable of highly sensitive perception water logging
Information, and the signal of the high-impedance state of water logging can be converted to the Transistor-Transistor Logic level that single-chip microcontroller is capable of handling.
The preferred embodiment of the patent is described in detail above, but this patent is not limited to above-mentioned embodiment party
Formula within the knowledge of one of ordinary skill in the art can also be under the premise of not departing from this patent objective
It makes a variety of changes.
Claims (5)
1. water sensor, including sensor main body, probe and sensor circuit, which is characterized in that the sensor main body bottom
Portion is fixedly connected with connection electric wire, and the bottom end for connecting electric wire is fixedly connected with probe, pops one's head in relative to being connected with connection electric wire
The other end is fixedly connected there are two spaced apart probe, and the bottom end of probe is fixedly connected with detecting head；The probe further includes
The probe mounting portion and wired portion arranged in the horizontal direction；Its middle probe mounting portion and wired portion are rubber material
Matter, probe are fixedly plugged in probe mounting portion, include two independent electric wires, two independent electric wire difference in connection electric wire
It is electrically connected with the end of probe；Probe mounting portion connects with electric wire portion end and is fixedly connected；It is equipped with and passes in the sensor main body
Sensor circuit, sensor circuit include water logging end of probe positive terminal a, water logging end of probe negative terminals b, transient state inhibition two
Pole pipe D, first resistor, triode and second resistance；The water logging end of probe positive terminal a and Transient Suppression Diode D is negative
Extremely it is connected, water logging end of probe positive terminal a is connected with the one of electric wire of electric wire is connect, water logging end of probe negative terminals b
It is connected with Transient Suppression Diode D anode, water logging end of probe negative terminals b is connected with another electric wire of electric wire is connect；It is described
Water logging end of probe positive terminal a be connected with first resistor；The water logging end of probe negative terminals b is connected with ground；Institute
It states first resistor one end and connects positive metal water logging end of probe, other end connecting triode base stage；Transistor base connection the
One resistance is accessed for water sensor, and emitter connects second resistance, grounded collector；Described second resistance one end connects V
Power supply, the emitter of other end connecting triode；The water sensor circuit output gives single-chip microcontroller processing circuit.
2. water sensor according to claim 1, which is characterized in that the thickness of the wired portion vertical direction by
It is gradually increased close to probe mounting portion to close to the direction of detection line.
3. water sensor according to claim 1, which is characterized in that the least significant end of the detecting head is in same level
On face.
4. water sensor according to claim 1, which is characterized in that the probe and detecting head are conductive metal material
Material.
5. water sensor according to claim 1, which is characterized in that the triode is positive-negative-positive structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820757890.4U CN208421256U (en) | 2018-05-21 | 2018-05-21 | Water sensor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820757890.4U CN208421256U (en) | 2018-05-21 | 2018-05-21 | Water sensor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208421256U true CN208421256U (en) | 2019-01-22 |
Family
ID=65114879
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820757890.4U Expired - Fee Related CN208421256U (en) | 2018-05-21 | 2018-05-21 | Water sensor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208421256U (en) |
-
2018
- 2018-05-21 CN CN201820757890.4U patent/CN208421256U/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: 20190122 Termination date: 20200521 |