CN206399496U - A kind of water level indicates warning circuit - Google Patents
A kind of water level indicates warning circuit Download PDFInfo
- Publication number
- CN206399496U CN206399496U CN201620908298.0U CN201620908298U CN206399496U CN 206399496 U CN206399496 U CN 206399496U CN 201620908298 U CN201620908298 U CN 201620908298U CN 206399496 U CN206399496 U CN 206399496U
- Authority
- CN
- China
- Prior art keywords
- triode
- resistance
- water level
- poles
- colelctor electrodes
- 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
Landscapes
- Emergency Alarm Devices (AREA)
- Measurement Of Levels Of Liquids Or Fluent Solid Materials (AREA)
Abstract
Warning circuit is indicated the utility model discloses a kind of water level, including resistance R1, electric capacity C1, triode VT1, buzzer BL, water level switch S and diode D1, described resistance R1 one end connects power supply VCC respectively, resistance R2, resistance R4, triode VT1 colelctor electrodes and triode VT2 colelctor electrodes, resistance R1 other end connecting luminous diode LED1 positive poles, the negative pole connecting triode VT4 colelctor electrodes of LED 1, triode VT4 base stages connect the resistance R2 other ends and triode VT3 colelctor electrodes respectively, triode VT3 base stages connection resistance R3, the resistance R3 other ends connect diode D1 negative poles.The utility model water level indicates that warning circuit coordinates multiple triodes to be controlled using water level switch, in low water level and high water level, can send alarm signal, reminds people to note waterproof, cost is low, safe.
Description
Technical field
The utility model is related to a kind of indicating circuit, and specifically a kind of water level indicates warning circuit.
Background technology
Water resource is as a kind of human survival than indispensable resource, and its importance is self-evident.But water disaster is also
One of Major Natural Disasters of facing mankind, existing big reservoir level indicates that alarm is all supervised using various precision equipments
Control, but some small rural reservoirs, it is most of to be primarily due to the monitoring water level of precision all without level alarm for water, into
This is higher, manually continuous can only be observed, one side waste of manpower resource, on the other hand also easily makes a fault.
Utility model content
The purpose of this utility model is that providing a kind of water level indicates warning circuit, to solve to propose in above-mentioned background technology
The problem of.
To achieve the above object, the utility model provides following technical scheme：
A kind of water level indicates warning circuit, including resistance R1, electric capacity C1, triode VT1, buzzer BL, water level switch S and
Diode D1, described resistance R1 one end connects power supply VCC, resistance R2, resistance R4, triode VT1 colelctor electrodes and triode respectively
VT2 colelctor electrodes, resistance R1 other end connecting luminous diode LED1 positive poles, the negative pole connecting triode VT4 of LED 1
Colelctor electrode, triode VT4 base stages connect the resistance R2 other ends and triode VT3 colelctor electrodes, triode VT3 base stages connection electricity respectively
Hinder R3, resistance R3 other ends connection diode D1 negative poles, diode D1 positive poles difference connecting triode VT1 emitter stages, triode
VT2 emitter stages, the positive pole of LED 2, the positive pole of LED 3, resistance R6, resistance R7, resistance R8, resistance R9 and
Buzzer BL, buzzer BL other end connecting triode VT7 colelctor electrodes, triode VT7 base stages connect respectively the resistance R9 other ends,
Triode VT6 colelctor electrodes and electric capacity C2, the electric capacity C2 other ends connect the resistance R8 other ends and triode VT5 base stages, three poles respectively
Pipe VT5 colelctor electrodes connect electric capacity C1, the resistance R6 other ends and resistance R5 respectively, and it is another that the electric capacity C1 other ends connect resistance R7 respectively
End and triode VT6 base stages, resistance R5 other ends difference connecting luminous diode LED2 negative poles and the negative pole of LED 3,
Triode VT5 emitter stages difference connecting triode VT6 emitter stages, triode VT7 emitter stages, triode VT3 emitter stages and three poles
Pipe VT4 emitter stages, the A poles of the triode VT1 base stages connection water level switch S, the triode VT2 base stages connect water level switch
S B poles, the C poles of the resistance R4 other ends connection water level switch S.
It is used as the utility model further scheme：The power supply VCC voltages are 12V.
Compared with prior art, the beneficial effects of the utility model are：The utility model water level indicates that warning circuit is used
Water level switch coordinates multiple triodes to be controlled, in low water level and high water level, can send alarm signal, reminds people
Note waterproof, cost is low, safe.
Brief description of the drawings
Fig. 1 is the circuit diagram that water level indicates warning circuit.
Embodiment
Below in conjunction with the accompanying drawing in the utility model embodiment, the technical scheme in the utility model embodiment is carried out
Clearly and completely describe, it is clear that described embodiment is only a part of embodiment of the utility model, 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, belongs to the scope of the utility model protection.
Referring to Fig. 1, in the utility model embodiment, a kind of water level indicates warning circuit, including resistance R1, electric capacity C1,
Triode VT1, buzzer BL, water level switch S and diode D1, described resistance R1 one end connect respectively power supply VCC, resistance R2,
Resistance R4, triode VT1 colelctor electrodes and triode VT2 colelctor electrodes, resistance R1 other end connecting luminous diode LED1 positive poles, hair
Optical diode LED1 negative pole connecting triode VT4 colelctor electrodes, triode VT4 base stages connect the resistance R2 other ends and triode respectively
VT3 colelctor electrodes, triode VT3 base stages connection resistance R3, resistance R3 other ends connection diode D1 negative poles, diode D1 positive poles point
Other connecting triode VT1 emitter stages, triode VT2 emitter stages, the positive pole of LED 2, the positive pole of LED 3,
Resistance R6, resistance R7, resistance R8, resistance R9 and buzzer BL, buzzer BL other end connecting triode VT7 colelctor electrodes, three poles
Pipe VT7 base stages connect the resistance R9 other ends, triode VT6 colelctor electrodes and electric capacity C2 respectively, and the electric capacity C2 other ends connect electricity respectively
The R8 other ends and triode VT5 base stages are hindered, triode VT5 colelctor electrodes connect electric capacity C1, the resistance R6 other ends and resistance R5 respectively,
The electric capacity C1 other ends connect the resistance R7 other ends and triode VT6 base stages respectively, and the resistance R5 other ends connect light-emitting diodes respectively
Pipe LED2 negative poles and the negative pole of LED 3, triode VT5 emitter stages difference connecting triode VT6 emitter stages, triode
VT7 emitter stages, triode VT3 emitter stages and triode VT4 emitter stages, the A of the triode VT1 base stages connection water level switch S
Pole, the B poles of the triode VT2 base stages connection water level switch S, the C poles of the resistance R4 other ends connection water level switch S；Institute
Power supply VCC voltages are stated for 12V.
Operation principle of the present utility model is：Referring to Fig. 1, water level switch is placed in water storage device to be alarmed, if
Water level is normal, then water level switch S C poles not with any one electrode contact of A, B, triode VT1, VT2 are zero electricity due to base stage
Position, is cut-off state, and it launches extremely zero potential, and the alarm portion of VT5, VT6 and VT7 composition is due to without working power
Do not work, simultaneously as VT3 base stage is also zero potential, the positive potential of its colelctor electrode turns on VT4, LED 1
Bright, indicated water level is in normal condition.
When water level is less than the lowest water level value that water level switch S is set, water level switch S C poles are connected with A poles, now, brilliant
Body pipe VT1 is turned on due to base stage for positive potential, makes to obtain electric work by the multivibrator that the elements such as VT5, VT6 are constituted, from VT6
Colelctor electrode on export an interval positive square-wave signal, make the conducting and cut-off of VT7 intervals, so as to drive buzzer BL to send
The information ring signal of interval, the positive voltage exported in addition by VT1, with VT5 conducting and cut-off, makes low-water alarm indicator lamp LED2
The visual alarm synchronous with acoustic alarm signal is sent, VT3 base stage is also now positive potential, the electricity of current collection extremely zero after conducting
Position, ends VT4, the normal indicator lamp LED1 of water level goes out.
Similarly, when water level is less than the peak level value that water level switch S is set, water level switch S C poles are connected with B poles, this
When, transistor VT2 conductings promote alarm portion work.Now alarm for high voltage indicator lamp LED3 light, because VT3 base stage now
Also it is high potential, after being changed through VT3, VT4, indicator lamp LED1 stops lighting, after water level recovers normal.Alarm is gone to normally
Monitoring state.
In summary, the utility model water level indicates that warning circuit coordinates multiple triodes to be controlled using water level switch
System, in low water level and high water level, can send alarm signal, remind people to note waterproof, cost is low, safe.
Claims (2)
1. a kind of water level indicates warning circuit, including resistance R1, electric capacity C1, triode VT1, buzzer BL, water level switch S and two
Pole pipe D1, it is characterised in that described resistance R1 one end connects power supply VCC, resistance R2, resistance R4, triode VT1 colelctor electrodes respectively
With triode VT2 colelctor electrodes, resistance R1 other end connecting luminous diode LED1 positive poles, the negative pole of LED 1 connection three
Pole pipe VT4 colelctor electrodes, triode VT4 base stages connect the resistance R2 other ends and triode VT3 colelctor electrodes, triode VT3 bases respectively
Pole connects resistance R3, resistance R3 other ends connection diode D1 negative poles, the difference connecting triode VT1 transmittings of diode D1 positive poles
Pole, triode VT2 emitter stages, the positive pole of LED 2, the positive pole of LED 3, resistance R6, resistance R7, resistance
R8, resistance R9 and buzzer BL, buzzer BL other end connecting triode VT7 colelctor electrodes, triode VT7 base stages connect electricity respectively
The resistance R9 other ends, triode VT6 colelctor electrodes and electric capacity C2, electric capacity the C2 other end connect the resistance R8 other ends and triode respectively
VT5 base stages, triode VT5 colelctor electrodes connect electric capacity C1, the resistance R6 other ends and resistance R5 respectively, and the electric capacity C1 other ends connect respectively
The connecting resistance R7 other ends and triode VT6 base stages, resistance R5 other ends difference connecting luminous diode LED2 negative poles and luminous two
Pole pipe LED3 negative poles, triode VT5 emitter stages difference connecting triode VT6 emitter stages, triode VT7 emitter stages, triode VT3
Emitter stage and triode VT4 emitter stages, the A poles of the triode VT1 base stages connection water level switch S, the triode VT2 base stages
Connect water level switch S B poles, the C poles of the resistance R4 other ends connection water level switch S.
2. water level according to claim 1 indicates warning circuit, it is characterised in that the power supply VCC voltages are 12V.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620908298.0U CN206399496U (en) | 2016-08-19 | 2016-08-19 | A kind of water level indicates warning circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620908298.0U CN206399496U (en) | 2016-08-19 | 2016-08-19 | A kind of water level indicates warning circuit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206399496U true CN206399496U (en) | 2017-08-11 |
Family
ID=59507576
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620908298.0U Expired - Fee Related CN206399496U (en) | 2016-08-19 | 2016-08-19 | A kind of water level indicates warning circuit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206399496U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115932565A (en) * | 2022-11-15 | 2023-04-07 | 国网河南省电力公司安阳供电公司 | Power transmission and transformation high voltage circuit breaker monitoring circuit |
-
2016
- 2016-08-19 CN CN201620908298.0U patent/CN206399496U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115932565A (en) * | 2022-11-15 | 2023-04-07 | 国网河南省电力公司安阳供电公司 | Power transmission and transformation high voltage circuit breaker monitoring circuit |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN206399496U (en) | A kind of water level indicates warning circuit | |
| CN201196666Y (en) | Power supply polarity discriminator | |
| CN206162235U (en) | Electric current adjustable constant current source is used in electric power control | |
| CN208255392U (en) | A kind of magnet poles rapid detection system | |
| CN204348544U (en) | A kind of novel can illuminated switch | |
| CN204244522U (en) | The excessive warning miner's lamp circuit of a kind of gas for mine operation | |
| CN208460165U (en) | A kind of automobile storage battery state-detection alarm | |
| CN202092643U (en) | Electronic level meter | |
| CN205660603U (en) | Anti -electricity -stealing specialty portable screwdriver | |
| CN205610991U (en) | Outdoor energy -conserving lighting control system | |
| CN206353175U (en) | A kind of portable rotor wing unmanned aerial vehicle voltage alarms based on pattern recognition | |
| CN204272454U (en) | The control circuit of the dynamo lighting set illumination of carried charge segmentation display | |
| CN203386402U (en) | Passageway light control circuit demonstration model | |
| CN204498431U (en) | A kind of light-operated LED illuminating lamp | |
| CN202382739U (en) | Plumb bob with illuminating lamp | |
| CN204968165U (en) | Three accuse LED of reputation touch | |
| CN205140105U (en) | Hidden balanced bridge alarm | |
| CN202444683U (en) | Emergency inverter circuit power supply of emergency LED (Light-Emitting Diode) illuminating lamp | |
| CN201259521Y (en) | Multifunctional detection pen having household infrared remote controller detection | |
| CN106125557A (en) | A kind of Novel monitoring system for Smart Home based on Internet of Things | |
| CN203574907U (en) | Night lighting equipment employing door lock control | |
| CN202256461U (en) | Acousto-optic test pencil | |
| CN204884025U (en) | Illumination detects burglar alarm | |
| CN206212358U (en) | A kind of emergency LED controller | |
| CN203135835U (en) | Zero power consumption bright and dark light detection switch module |
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: 20170811 Termination date: 20180819 |