CN2133868Y - Automatic electronic controller for liquid level - Google Patents
Automatic electronic controller for liquid level Download PDFInfo
- Publication number
- CN2133868Y CN2133868Y CN 92211749 CN92211749U CN2133868Y CN 2133868 Y CN2133868 Y CN 2133868Y CN 92211749 CN92211749 CN 92211749 CN 92211749 U CN92211749 U CN 92211749U CN 2133868 Y CN2133868 Y CN 2133868Y
- Authority
- CN
- China
- Prior art keywords
- liquid level
- level line
- relay
- water tank
- line electrode
- 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
- 239000007788 liquid Substances 0.000 title claims abstract description 48
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 25
- 238000004804 winding Methods 0.000 claims description 6
- 239000003990 capacitor Substances 0.000 claims description 2
- 238000004519 manufacturing process Methods 0.000 abstract description 3
- 239000012530 fluid Substances 0.000 description 4
- 239000004020 conductor Substances 0.000 description 2
- 230000005611 electricity Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000000087 stabilizing effect Effects 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000005086 pumping Methods 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
Images
Landscapes
- Measurement Of Levels Of Liquids Or Fluent Solid Materials (AREA)
- Control Of Non-Electrical Variables (AREA)
Abstract
The utility model relates to an automatic electronic controller for liquid level, mainly comprising a liquid level switch part, an automatic control part and a motor starting part. The utility model has the advantages of high level of automatization, simple structure, small size, stable operation, low manufacture cost, convenient operation, ideal practicality, etc.
Description
The utility model relates to a kind of fluid level control device, and particularly a kind of electronic level automaton is adapted to the automatic control of water and other liquid level.
At present, be used in the society that the control device of liquid level is had many kinds, as the float-type liquid level control device, head tank fluid level control device etc.The float-type liquid level control device has complex structure, big, the job insecurity of volume, easy break-down, the shortcoming that manufacturing cost is high.The head tank fluid level control device does not exist only in above-mentioned shortcoming and also has certain limitation of use and the big shortcoming of maintenance difficulty.In a word, do not find also socially that at present a kind of desirable promptly simple stable again practical automatic control of liquid device is arranged.
Task of the present utility model be to provide a kind of automaticity height, simple in structure, volume is little, working stability, low cost of manufacture, easy to use, be convenient to keep in repair, desirable, practical novel electron automatic control of liquid device.
Task of the present utility model realizes with following scheme: accompanying drawing has provided electrical schematic diagram of the present utility model.N is that water tank, A ' are last liquid level line electrode in the accompanying drawings, and B ' is that liquid level line electrode, C ' are end liquid level line electrode down, and A ' B ' C ' three liquid level line electrodes adopt copper conductor or aluminum conductor to process.R is the resistor of 2K Ω, R
1Resistor for 10K Ω.W
1Potentiometer, W for 100K Ω
2Resistor for 47K Ω.It is the voltage stabilizing diode of 0.3-0.6 volt that WD adopts the voltage stabilizing value.BG
1The employing model is 3DG
6Transistor, BG
2The employing model is 3DK
4Or 3DG
12Transistor.C
1Adopting electric capacity is 100 μ f, withstand voltage 10 volts electrolytic condenser, C
2Adopting electric capacity is 470 μ f, withstand voltage 16 volts electrolytic condenser.It is that 1N4004, commutated current are 1 ampere that D adopts model, withstand voltage commutation diode greater than 20 volts.It is the relay of JRX or JQX that J adopts model, and JA is the normally closed contact of relay J, and JB is the normally opened contact of relay J.B is a power transformer, and 1,2 ends are the winding with 6 volts of voltage output functions, and 3,4 ends are the winding with 12 volts of voltage output functions, and 5,6 ends are the input winding.CJ is A.C. contactor, CJ
bBe the normally closed contact of A.C. contactor CJ, CJ
a, CJ-
1, CJ-
2, CJ-
3Normally opened contact for A.C. contactor CJ.XD
1, XD
2Be pilot lamp.D
1, D
2, D
3, D
4, D
5Be fuse.K is a knife switch.K
0Switch for electrothermal relay.D
6Be motor.
The utility model mainly contains three parts and forms with reference to the accompanying drawings: three liquid level line electrode A that water tank N arranged and place water tank ', the level switch part that constitutes of the liquid of B ', C ' and water tank, mainly by transistor BG
1, BG
2With the automatic control section of relay J formation, mainly by motor D
6A.C. contactor CJ and electrothermal relay constitute the motor start-up part.
Below with reference to accompanying drawing concrete structure of the present utility model is described as follows:
Three liquid level line electrode A ', B ', C ' vertically place water tank N, and the end of end liquid level line electrode C ' place water tank bottom, down the liquid level line electrode B ' an end place the pre-determined liquid level line position (as accompanying drawing b position) down of water tank, go up the liquid level line electrode A ' an end place the pre-determined liquid level line position (as accompanying drawing a position) of going up of water tank.The other end of end liquid level line electrode C ' is connected with the positive terminal of power supply.Following liquid level line electrode B ' the other end and the normally closed contact J of relay J
AMovable end be connected.Last liquid level line electrode A ' the other end and the normally closed contact J of relay J
AStiff end be connected and after resistor R with potentiometer W
1Movable end be connected.Potentiometer W
1Two stiff ends meet transistor BG with the negative pole of its stabilivolt after stabilivolt WD is in parallel
1Base stage, anodal termination common port.Transistor BG
1And BG
2Emitter be connected with common port respectively.BG
1Collector and BG
2Base stage be connected and pass through resistor R
1With potentiometer W
2The back is connected with power supply.BG
2Collector by being parallel with capacitor C
1The actuating coil of relay J after be connected with power supply.The 12V of transformer B exports winding power supply as level switch and automatic control section after diode D rectification.The normally opened contact CJa of A.C. contactor CJ and normally closed contact CJ
bBe connected in series pilot lamp XD respectively
1And XD
2After be connected on the output winding of 6V of transformer B.The A of three-phase supply, B, C are through knife switch K, fusing D
3, D
4, D
5After respectively with three groups of normally closed contacts of electrothermal relay and three groups of normally opened contact CJ-of A.C. contactor
1, CJ-
2, CJ-
3Meet motor D6 after the serial connection.Exchange the K switch of an end of the actuating coil that contacts CJ by electrothermal relay
0With fuse D
2The back with B mutually power lead be connected, the other end by the normally opened contact JB of relay J after with C mutually power lead be connected.The power input line circle of transformer B and mutually electric former being connected of A.
Below with reference to accompanying drawing principle of work of the present utility model is described as follows:
With reference to the accompanying drawings, the electronic level automaton will be in and treat duty after connecting three-phase supply, and the liquid levels of at this moment establishing in the water tank is lower than the b position line, because electrode A ' and B ' all do not touch liquid, therefore, electrode A ' and B ' all be in the zero potential state, transistor BG
1No base stage bias current and end BG
1The current collection collection be in high level, make BG
2Conducting, relay J adhesive, the normally opened contact JB closure of relay, A.C. contactor CJ work, its CJ-
1, CJ-
2, CJ-
3Closure is connected three-phase supply, makes motor D
6Work drives pump working and draws water, simultaneously the normally opened contact CJ of relay
aClosed pilot lamp XD
1Lighting the demonstration water pump works; The normally closed contact CJ of relay
bOpen, pilot lamp is not lighted.When the liquid level in the water tank is elevated to the b position line, electrode B ' touch liquid, at this moment electrode A ' the do not touch normally closed contact J of liquid and relay J
ASo be the transistor BG that disconnects
1Still be in cut-off state, water pump continues to draw water.When the liquid level in the water tank is elevated to a position line, electrode A ' touch liquid, at this moment power supply by electrode C ' → liquid → electrode A ' → resistor R → potentiometer W
1Be added in transistor G behind the → stabilivolt WD
1Base stage and emitter between, make BG
1Conducting, BG
1Collector become low level, make BG
2Be in cut-off state, the actuating coil dead electricity of relay J, its normally opened contact disconnects, the normally closed contact closure, the actuating coil dead electricity of A.C. contactor CJ, motor quit work, and water pump stops pumping.While pilot lamp XD
1Extinguish, XD
2Light, show that the liquid of tank port is full.Along with the constantly outside supply fluid of water tank, liquid level constantly descends, and repeats the above-mentioned course of work when liquid level drops to the b position line again.But the said process Automatic Cycle is carried out, thereby has realized that the utility model controls the purpose of liquid level automatically.
The utility model takes that the actuating coil with A.C. contactor CJ is connected in the wherein two-phase in the three-phase supply, another power supply transformation B power supply as power transformer B that joins of three-phase supply; three-phase supply is as long as lack a phase like this; motor is not just worked, and has realized the purpose to motor phase failure protection.Simultaneously for realizing that overcurrent protection has been connected in series electrothermal relay in three-phase power line.
Claims (1)
- A kind of mainly contain water tank N and place three liquid level line electrode A of water tank ', the level switch part that constitutes of the liquid of B ', C ' and water tank, by transistor BG 1, BG 2The electronic level automaton that the automatic control part branch that constitutes with relay J etc. is formed is characterized in that:Three liquid level line electrode A ', B ', C ' vertically place water tank N, and the end of end liquid level line electrode C ' place water tank bottom, down the liquid level line electrode B ' an end place the pre-determined liquid level line position down of water tank, go up the liquid level line electrode A ' an end place the pre-determined liquid level line position of going up of water tank, the other end of end liquid level line electrode C ' is connected with the positive terminal of power supply, following liquid level line electrode B ' the other end and the normally closed contact J of relay J AMovable end be connected, last liquid level line electrode A ' the other end and the normally closed contact J of relay J AStiff end be connected and after resistor R with potentiometer W 1Movable end be connected potentiometer W 1Two stiff ends meet transistor BG with the negative pole of its stabilivolt after stabilivolt WD is in parallel 1Base stage, anodal termination common port, transistor BG 1And BG 2Emitter be connected BG respectively with common port 1Collector and BG 2Base stage be connected and pass through resistor R 1With potentiometer W 2The back is connected BG with power supply 2Collector by being parallel with capacitor C 1The actuating coil of relay J after be connected with power supply, as the level switch and the power supply of control section automatically, the A of three-phase supply, B, C are through knife switch K, fusing D after diode D rectification for the 12V output winding of transformer B 3, D 4, D 5After meet motor D6 respectively with after three groups of normally opened contact CJ-1, CJ-2, CJ-3 of three groups of normally closed contacts of electrothermal relay and A.C. contactor are connected in series, exchange the K switch of an end by electrothermal relay of the actuating coil of contact CJ oWith fuse D 2The back with B mutually power lead be connected, the other end by the normally opened contact JB of relay J after with C mutually power lead be connected the power input line circle of transformer B and mutually electric former being connected of A.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 92211749 CN2133868Y (en) | 1992-05-04 | 1992-05-04 | Automatic electronic controller for liquid level |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 92211749 CN2133868Y (en) | 1992-05-04 | 1992-05-04 | Automatic electronic controller for liquid level |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2133868Y true CN2133868Y (en) | 1993-05-19 |
Family
ID=33763232
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 92211749 Expired - Fee Related CN2133868Y (en) | 1992-05-04 | 1992-05-04 | Automatic electronic controller for liquid level |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2133868Y (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106128048A (en) * | 2016-07-04 | 2016-11-16 | 国网山东省电力公司博兴县供电公司 | A kind of water-level detecting controls alarm |
| CN106354167A (en) * | 2016-09-30 | 2017-01-25 | 广西大学 | Reservoir water level automatic controller |
| CN110178003A (en) * | 2017-02-23 | 2019-08-27 | 惠普发展公司，有限责任合伙企业 | Fluid level sensor |
-
1992
- 1992-05-04 CN CN 92211749 patent/CN2133868Y/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106128048A (en) * | 2016-07-04 | 2016-11-16 | 国网山东省电力公司博兴县供电公司 | A kind of water-level detecting controls alarm |
| CN106354167A (en) * | 2016-09-30 | 2017-01-25 | 广西大学 | Reservoir water level automatic controller |
| CN110178003A (en) * | 2017-02-23 | 2019-08-27 | 惠普发展公司，有限责任合伙企业 | Fluid level sensor |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |