CN2553410Y - Liquid level automatic controller - Google Patents
Liquid level automatic controller Download PDFInfo
- Publication number
- CN2553410Y CN2553410Y CN 02276848 CN02276848U CN2553410Y CN 2553410 Y CN2553410 Y CN 2553410Y CN 02276848 CN02276848 CN 02276848 CN 02276848 U CN02276848 U CN 02276848U CN 2553410 Y CN2553410 Y CN 2553410Y
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- circuit
- water
- liquid level
- control
- relay
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Abstract
The utility model relates to a liquid level automatic control device. The utility model comprises a power circuit, a first water level detecting device, a first control circuit, a relay J1, a water pump electric machine, a warning circuit, a second water level detecting device, a second control circuit and a relay J2. The water level detecting device delivers the water level signal of the water tower and the water well to the respective flip-flop circuits. When the water level is lower than the set liquid level, the automatic control water pump electric machine pumps water to the set liquid level. When the water level is over low, the warning circuit is triggered to send out acousto-optic warning. The utility model has the advantages of simple structure, convenient mounting, high sensibility, safety, reliability and automatic power failure protection function of the water pump electric machine. The utility model is able to be utilized for the water level automatic controlling of a plurality of water towers and the liquid level controlling of the acid, the alkali and the conductive thinly fluid through the unique liquid level detecting device.
Description
Technical field
The utility model relates to a kind of fluid level control device, is meant a kind of automatic control of liquid device especially.
Technical background
At present, more general automatic control of liquid device adopts JYE type liquid level relay or SK-Y float-ball type automatic control of liquid device to realize automatic control of liquid as core component mostly, the bore that the former is contained the liquid tower limits to, and ball float end lever segment can not be long, therefore the control to the high low head of liquid level is restricted, if control high low level is 3 meters liquid level drop, its lever length will surpass 3 meters, just can't install when liquid tower diameter is equal to or less than 3 meters and its liquid level is carried out when containing. automatic control.If only satisfy high-order control, shortening ball float end lever length is to cause the liquid-feeding pump starting frequent, will produce the fault of electric contact like this, reduces its serviceable life.And the latter is owing to exist ball float and floating drum, friction between ball float working beam and the guide, after particularly being subjected to the environmental pollution fouling, cause stuck easily or the action hysteresis, secondly the controlled source of above two kinds of controllers is directly installed on the fluid level controller installation place, have potential safety hazard, its precision is not high yet.
Summary of the invention
The purpose of this utility model is to overcome the deficiency of prior art and a kind of simple in structure, control accuracy is high, fault is few, safe and reliable automatic control of liquid device is provided.
For achieving the above object, the utility model adopts following proposal:
The utility model comprises power circuit, first condensate tank of dehumidifier, first control circuit, relay J 1, pump motor, power circuit provides dc supply for other circuit, the input of the output connection control circuit of first condensate tank of dehumidifier, the control loop of electrical equipment J1 is succeeded in the output of control circuit, the output water pump motor of relay J 1.
Above-mentioned automatic control of liquid device also comprises warning circuit, the output terminal of input termination first condensate tank of dehumidifier of described warning circuit.
Above-mentioned automatic control of liquid device also comprises second condensate tank of dehumidifier, second control circuit, relay J 2, described second condensate tank of dehumidifier is installed on the bottom of well, its output connects the input of second control circuit, the control loop of electrical equipment J2 is succeeded in the output of second control circuit, relay J 2 output succeed control loop and the warning circuit of electrical equipment J1 respectively.
The utility model is simple in structure, easy for installation, highly sensitive, antijamming capability is strong, fault is few.
Description of drawings
Accompanying drawing 1 is a theory diagram of the present utility model.
Accompanying drawing 2 is an electrical schematic diagram of the present utility model.
Accompanying drawing 3 is the structural representation of first condensate tank of dehumidifier in the utility model.
Embodiment
Referring to Fig. 1, the utility model comprises power circuit, first condensate tank of dehumidifier, first control circuit, relay J 1, pump motor, warning circuit, second condensate tank of dehumidifier, second control circuit, relay J 2, the dc supply of power circuit generator, the input of the output connection control circuit of first condensate tank of dehumidifier, the control loop of electrical equipment J1 is succeeded in the output of first control circuit, the output water pump motor of relay J 1, the output terminal of input termination first condensate tank of dehumidifier of warning circuit, second condensate tank of dehumidifier is installed on the bottom of well, its output connects the input of second control circuit, the control loop of electrical equipment J2 is succeeded in the output of second control circuit, relay J 2 output succeed the control loop and the warning circuit of relay J 1 respectively.
Referring to Fig. 2, transformer B1, B2, rectifier bridge ZL1, ZL2, ZL3, capacitor C 1, C4, C5 form the feed circuit of control device, and dc supply is provided, and HD1-3 is respectively the power light of general supply, height water-level control circuit and warning circuit; Ic chip 1, relay J 1 are the main first control circuit of forming, IC1 adopts 555 time base circuits, and with its 2 pin, 6 pin short circuits composition Schmidt trigger, resistance R 4, R5, R6, capacitor C 2, C3 form input circuit, the output of first condensate tank of dehumidifier connects input circuit through resistance R 5, J2B is one group of normally closed contact of relay J 2, in the control loop of serial connection relay J 1.The water level control procedure is as follows: when water level is reduced to the B point when following, and the trigger circuit upset, relay J 1 adhesive, the starting of control pump motor is drawn water, when water level reaches A point, the trigger circuit upset, relay J 1 discharges, and the disconnection motor stops pumping.When water level was between A, the B, trigger maintained the original state constant.
Referring to Fig. 3, first condensate tank of dehumidifier is a test rod suitable with the water tower degree of depth, test rod is provided with liquid level becket a, b, c, the d that indicates the water level height, four signal wires weld with liquid level becket a, b, c, d respectively in bar, wherein b liquid level signal line behind resistance with a liquid level signal line and connect, the liquid level signal line outputs to the input end of control circuit, the closed at both ends of test rod from the upper end of test rod.
Ic chip 2, relay J 3, triode G, loudspeaker Y are the main warning circuit of forming, ic chip 2 adopts musical film 9561, HD4 is a water tower low-water level alarm lamp, 9561 duty and resistance decision between two contact C, the E drawing by the base stage of its 4 pin and triode G, when two contact C, E are in the water tower water, be equivalent to add between the base stage of 4 pin and triode G the resistance of an about 15K, integrated package 9561 can not trigger work.When water tower level drops to safety level C point when following, when promptly C, E point disconnects, be equivalent to 15K resistance and disconnect, 9561 triggering work, output alarm signal after triode G amplifies, sends sound and light alarm.
Ic chip 3, relay J 2 are the main second control circuit of forming, IC3 adopts 555 time base circuits, and with its 2 pin, 6 pin short circuits composition Schmidt trigger, 8 pin, 2 from 555,6 pin are drawn two lines as detecting the contact, two contacts place the well bottom, when two contacts are in water, are equivalent to insert the resistance about a 15K in circuit, trigger is failure to actuate, and J2 can not adhesive.When the well decline of water table is following to G; the dielectric resistance of trigger input end disconnects; the trigger upset; relay J 2 adhesives disconnect the J2 normally closed contact J2 that is serially connected in the J1 coil circuit, cut off the J1 coil current; J1 is discharged; J1 recovers normally open, cuts off the pump motor power supply, and water pump is protected.Simultaneously, during relay J 2 adhesives, its normally opened contact J2K closure, relay J 3 adhesives, the normally closed contact J3B of relay J 3 disconnects, and triggers warning ic chip 2, sends alerting signal.
Claims (6)
1, a kind of automatic control of liquid device, comprise power circuit, first condensate tank of dehumidifier, first control circuit, first relay, pump motor, power circuit provides dc supply for other circuit, it is characterized in that: the input of the output connection control circuit of first condensate tank of dehumidifier, the control loop of electrical equipment J1 is succeeded in the output of control circuit, the output water pump motor of relay J 1.
2, automatic control of liquid device according to claim 1 is characterized in that: also comprise warning circuit, the output terminal of input termination first condensate tank of dehumidifier of described warning circuit.
3, automatic control of liquid device according to claim 1, it is characterized in that: also comprise second condensate tank of dehumidifier, second control circuit, relay J 2, described second condensate tank of dehumidifier is installed on the bottom of well, its output connects the input of second control circuit, the control loop of electrical equipment J2 is succeeded in the output of second control circuit, relay J 2 output succeed the control loop and the warning circuit of relay J 1 respectively.
4, automatic control of liquid device according to claim 1, it is characterized in that: described first condensate tank of dehumidifier is a test rod suitable with the water tower degree of depth, the top of test rod and bottom are respectively equipped with the high and low liquid level becket of expression water level, two signal wires stretch into respectively in the bar and weld with high and low liquid level becket, low liquid level signal line behind resistance with high liquid level signal line and connect the input end that outputs to control circuit from the upper end of test rod, the closed at both ends of test rod, it is the ground of termination power circuit down.
5, automatic control of liquid device according to claim 4 is characterized in that: the bottom of described first condensate tank of dehumidifier also is provided with two alarm liquid level rings, and two signal wires join with them and then link to each other with the input end of warning circuit.
6, automatic control of liquid device according to claim 1 and 2 is characterized in that: described first control circuit, second control circuit all are two Schmidt triggers that the input end short circuit is formed as signal input end with 555 time base circuits.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 02276848 CN2553410Y (en) | 2002-07-10 | 2002-07-10 | Liquid level automatic controller |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 02276848 CN2553410Y (en) | 2002-07-10 | 2002-07-10 | Liquid level automatic controller |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2553410Y true CN2553410Y (en) | 2003-05-28 |
Family
ID=33740615
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 02276848 Expired - Fee Related CN2553410Y (en) | 2002-07-10 | 2002-07-10 | Liquid level automatic controller |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2553410Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102442626A (en) * | 2011-09-15 | 2012-05-09 | 云南大红山管道有限公司 | Acid injecting device of nitric acid storage tank and control circuit of acid injecting device |
| CN103116366A (en) * | 2012-12-26 | 2013-05-22 | 陆跃明 | Moisturizing liquid level control device with a plurality of solution cylinders draining liquor averagely |
-
2002
- 2002-07-10 CN CN 02276848 patent/CN2553410Y/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102442626A (en) * | 2011-09-15 | 2012-05-09 | 云南大红山管道有限公司 | Acid injecting device of nitric acid storage tank and control circuit of acid injecting device |
| CN103116366A (en) * | 2012-12-26 | 2013-05-22 | 陆跃明 | Moisturizing liquid level control device with a plurality of solution cylinders draining liquor averagely |
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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 |