CN2263362Y - Water-level controller - Google Patents
Water-level controller Download PDFInfo
- Publication number
- CN2263362Y CN2263362Y CN 95227026 CN95227026U CN2263362Y CN 2263362 Y CN2263362 Y CN 2263362Y CN 95227026 CN95227026 CN 95227026 CN 95227026 U CN95227026 U CN 95227026U CN 2263362 Y CN2263362 Y CN 2263362Y
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- Prior art keywords
- terminal
- meets
- electrode
- phase
- contactor
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Abstract
The utility model provides a water level controller in a water supply system. The utility model is composed of a housing, a transformer, a relay, a circuit board, terminals, etc. Direct current power supply is supplied for the circuit part of the utility model through the transformer, a bridge rectifier, and a capacitor. A signal is input in a gate circuit through the controller and is amplified, the relay is driven to act, and the purpose that the water level of a water tank is controlled is achieved. The utility model has the advantages of small size, single power supply type, convenient installation, convenient maintenance, etc.
Description
The utility model belongs to cistern water level control device in the water system.
Both with 220 volts of relays, 12 volts of relays are arranged again in the present existing tank water level controller, cause power type many, volume is big, and lead-in wire is many, and not only inconvenience but also uneasy congruent shortcoming are installed.
The purpose of this utility model is to provide a kind of power type single, and volume is little, and function is many, and the tank water level controller that maintenance is not only convenient but also safe is installed.
For achieving the above object, the technical solution of the utility model is:
By housing 1, transformer 2, relay 3, circuit board 4, terminal 5, outside lead 6, the water level controller that constitutes, transformer once meets power supply 220V on circuit board, secondary is two groups of 12V, a winding bridge rectifier RB156 ac input end, and the RB156 dc output end meets capacitor C
1, just just connecing, negative connect negatively, terminal has 5, is A, B, C, D, E, and terminal A meets R
2One end, D
1Negative pole, relay J
1Coil one end.Terminal B meets R
1, BG
1Base stage, BG
1Collector meets R
2One end.BG
2Emitter meets BG
2Collector, BG
3Base stage, terminal C meets R
3, meet BG
2Base stage, BG
2Emitter meets R
4To power cathode, BG
2Collector and BG
1Emitter meets BG
3Base stage, BG
3Emitter is through diode D
2Positive pole, negative pole connect power cathode, collector meets diode D
1Positive pole is succeeded electrical equipment J simultaneously
1Coil one end.Terminal DE is a relay J
1Normal opened contact, 12V is through diode D for another group
3Meet J
1-2, J
1-3Meet red green relay indicating light L respectively
1, L
2BC is two CONTROLLED POTENTIAL input ends in this circuit, and B starts terminal, and C stops terminal.
Add a forward potential at the B terminal, satisfy the power supply of triode emitter junction forward, the reverse powered operation condition of collector junction, BG
1Conducting is at BG
1Emitter BG
3Base stage has electric current to flow through the generation pressure drop, and this pressure drop current potential just in time satisfies BG
3Conducting, BG
3The extremely approximate short circuit of ebc three, can regard as a bit, like this relay J
1The coil two ends have added ± the 12V power supply, the actuating of relay, J
1-1The normal opened contact closure.
Add a forward potential, BG at the C terminal
2Conducting, BG
2Three utmost points can be regarded as a bit, like this, because R
4The resistance that adopts is very little, BG
3Base stage and power cathode also can be regarded as a bit, have destroyed BG
3Condition of work, BG
3End BG
3The extremely approximate open circuit of ebc three, relay J
1The coil two ends do not add power supply ± 12V and discharge, J
1-1The reinstatement attitude.
Adopt the circuit of said structure, it is little to have a volume, and element is little, and lead-in wire is few, and only there is the 12V relay at the dawn, gives and installs, and maintenance brings convenience, safety.
Below in conjunction with the drawings and the specific embodiments the utility model is described in further detail
Fig. 1, the utility model circuit theory diagrams
Fig. 2, can control the utility model structural representation of upper and lower water tank
Fig. 3, can control the utility model structure synoptic diagram of lower header, head tank
Fig. 4, can control the utility model structure synoptic diagram of water tower upper water box
Fig. 5, the utility model do not have the structural representation of lead-in wire
Embodiment 1
By housing 1, transformer 2, relay 3, circuit board 4, terminal 5, outside lead 6, constitute water level controller, transformer once meets power supply 220V on circuit board, secondary meets two groups of 12V, a winding bridge rectifier RB156 ac input end, and the RB156 dc output end meets capacitor C
1, just just connecing, negative connect negatively, terminal has 5, is A, B, C, D, E, and terminal A meets R
2One end, D
1Negative pole, relay J
1Coil one end.Terminal B meets R
1, BG
1Base stage, BG
1Collector meets R
2One end.BG
1Emitter meets BG
2Collector, BG
3Base stage, terminal C meets R
3, meet BG
2Base stage, BG
2Emitter meets R
4To power cathode, BG
2Collector and BG
1Emitter meets BG
3Base stage, BG
3Emitter is through diode D
2Positive pole, negative pole connect power cathode, collector meets diode D
1Positive pole is succeeded electrical equipment J simultaneously
1Coil one end.Terminal DE is a relay J
1Normal opened contact, be used for controlling J
2Coil of wire two ends 380V power supply.12V is through diode D for another group
3Meet J
1-2, J
1-3Meet red green relay indicating light L respectively
1, L
2, its outside lead connected mode is:
Terminal A connects lower header electrode 1;
Terminal B connects lower header electrode 3, simultaneously through A.C. contactor J
2The subsidy contact is often opened,
Receiving electrode 2;
Terminal C connects water tank electrode 5, simultaneously through A.C. contactor J
2The subsidy contact is normally closed,
Connect water tank electrode 4;
Terminal D meets A.C. contactor J
2Coil one end, A.C. contactor J
2Another termination
380V power supply B phase;
Terminal E directly is connected on 380V power supply A phase.
Cistern water level connects touched electrode 3 from electrode 1-3 rising, water when using at present, and the positive potential of electrode 1 is given R by the water conductor to electrode 3
1BG
1The pipe base stage, BG
1Conducting, BG
3Conducting, relay J
1Action, J
1-1Connect J
2Coil 380V, motor changes, and fetches water to upper water box.For upper water box, when water level rises to electrode 5 from 4 electrodes, when the water surface one contact electrode 5, the forward potential of electrode 1 is given BG by pipeline through water surface receiving electrode 5
2Base stage adds a forward potential, BG
2Conducting, BG
3End relay J
1Two ends do not add ± 12V and discharge J
1-1Cut off J
2Coil of wire 380V power supply, motor stops.
Lower header, level electrode 1-3 contact must be left the water surface by upper water box electrode 4, just can make controller work, relay J
1Action, J
1-1Connect the J2380V power supply.
Upper water box, as long as water level rises to 5 electrodes, controller cuts off J
2Power supply 380V.Embodiment 2
Present embodiment circuit part such as embodiment 1, its outside lead connected mode is:
Terminal A, water receiving case electrode 1;
Terminal B is through A.C. contactor J
2The subsidy contact often open J
2-3, receiving electrode 3, J
2-1Receiving electrode 2, electrode 3 connects electric contact pressure Table A ' end simultaneously;
Terminal D connects the A.C. contactor coil of wire one end, another termination three-phase supply of coil of wire B phase;
Terminal E directly connects three-phase supply A phase.
Electrode 123 is lower header control electrodes when using, and A ' BC is three lead terminals of electric contact pressure gauge.
When static, electric contact pressure gauge, A ' BC, A '-B is conducting, because the lower header water surface does not contact with electrode 3, the forward potential of A adds less than on the tensimeter A '.
Instantly cistern water level rises, water surface contact electrode 3, and the forward potential of A end is by water route conduction electrode 3, and tensimeter A ' is to starting terminal B, controller work, simultaneously, J
2-1, J
2-3With terminal B, electrode 2, tensimeter terminal A ' connection.Terminal B, electrode 2 connects, and when guaranteeing that A ' leaves terminal B, operating potential is provided for terminal B.Electrode 2, electric contact pressure gauge A ' connection guarantees that A ' provides stopping potential with the C termination contact.
J
2-1Effect is left the water surface at electrode 3, J
2-1Electrode 2,3 is connected, and lower header is fetched water in head tank, and electrode 3 leaves the water surface, and electrode 2 still in water, guarantees controller work, and lower header water is lower than electrode 2, cuts off the controller operating potential automatically, forces controller to quit work.
J
2-3J is supposed in effect
2-3Two ends are paths, and the lower header water surface one contact electrode 3 just starts.
Add J
2-3, water tank water surface contact electrode 3, just the individual condition of controller startup determines that the controller startup is the head tank electric contact pressure gauge.Add J
2-3, prevent frequent starting.Embodiment 3
Present embodiment circuit part such as embodiment 1, its outside lead connected mode is:
Terminal A is connected with terminal B, is connected with water tank electrode 1 simultaneously;
Terminal C is connected with electrode 3, simultaneously through A.C. contactor J
2Contact is normally closed connects in subsidy
The utmost point 2;
Terminal D connects phase power supply B phase through A.C. contactor;
Terminal E directly is connected on power supply A phase.
When using, just fetch water for electricity toward water tower, when water tower level rises to electrode 3, BG
2The pipe base stage from 1-3 obtain-E is to current potential and conducting, BG
3The pipe base potential is by BG
2Conducting and pull away relay J
1The coil two ends do not add ± 12V and restore J
1-1Cut off J
2The 380V power supply, motor stops.Because electrode 2,3 is subjected to J
2-1Normally closed connection, water tower level could be fetched water toward water tower when reducing electrode 2 once more.So just guarantee that water tower level keeps between the electrode 2,3 forever.
Claims (4)
1, a kind of by housing (1), transformer (2), relay (3), circuit board (4), terminal (5), the water level controller that outside lead (6) constitutes, it is characterized in that: transformer once meets power supply 220V, secondary meets two groups of 12V, a winding bridge rectifier RB156 ac input end, and the RB156 dc output end meets capacitor C
1, just just connecing, negative connect negatively, terminal has 5, is A, B, C, D, E, and terminal A meets R
2One end, D
1The negative pole relay J
1Coil one end.Terminal B meets R
1, BG
1Base stage, BG
1Collector meets R
2One end.BG
1Emitter meets BG
2Collector, BG
3Base stage, terminal C meets R
3, meet BG
2Base stage, BG
2Emitter meets R
4To power cathode, BG
2Collector and BG
1Emitter meets BG
3Base stage, BG
3Emitter is through diode cathode, D
1Negative pole meets power cathode, BG
3Collector meets diode D
1Positive pole is succeeded electrical equipment J simultaneously
1Coil one end, terminal DE is a relay J
1Normal opened contact; 12V is through diode D for another group
3Meet J
1-2, J
1-3Meet red green relay indicating light L respectively
1, L
2
2, a kind of water level controller as claimed in claim 1, it is characterized in that: the connected mode of its outside lead is: terminal A connects lower header electrode 1; Terminal B connects lower header electrode 3, simultaneously through A.C. contactor J
2The subsidy contact is often opened receiving electrode 2; Terminal C connects water tank electrode 5, simultaneously through A.C. contactor J
2The subsidy contact is normally closed, connects water tank electrode 4; Terminal D meets A.C. contactor J
2Coil one end, A.C. contactor J
2Another termination 380V power supply B phase; Terminal E directly is connected on 380V power supply A phase.
3, a kind of water level controller as claimed in claim 1, it is characterized in that: the direct mode of its outside lead is: terminal A, water receiving case electrode 1; Terminal B is through A.C. contactor J
2The subsidy contact often open J
2-3, receiving electrode 3, J
2-1Receiving electrode 2, electrode 3 connects electric contact pressure Table A ' end simultaneously; Terminal D meets A.C. contactor J
2Coil one end, another termination three-phase supply of coil B phase; Terminal E directly connects three-phase supply A phase.
4, a kind of water level controller as claimed in claim 1, it is characterized in that: the connected mode of its outside lead is: terminal A is connected with terminal B, is connected with water tank electrode 1 simultaneously; Terminal C is connected with electrode 3, simultaneously through A.C. contactor J
2The subsidy contact is normally closed, receiving electrode 2; Terminal D is through A.C. contactor J
2Connect three-phase supply B phase; Terminal E directly is connected on power supply A phase.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN 95227026 CN2263362Y (en) | 1995-11-16 | 1995-11-16 | Water-level controller |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN 95227026 CN2263362Y (en) | 1995-11-16 | 1995-11-16 | Water-level controller |
Publications (1)
Publication Number | Publication Date |
---|---|
CN2263362Y true CN2263362Y (en) | 1997-09-24 |
Family
ID=33873027
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN 95227026 Expired - Fee Related CN2263362Y (en) | 1995-11-16 | 1995-11-16 | Water-level controller |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN2263362Y (en) |
-
1995
- 1995-11-16 CN CN 95227026 patent/CN2263362Y/en not_active Expired - Fee Related
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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 |