CN201662727U - Water level monitor device - Google Patents
Water level monitor device Download PDFInfo
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- CN201662727U CN201662727U CN2010201737262U CN201020173726U CN201662727U CN 201662727 U CN201662727 U CN 201662727U CN 2010201737262 U CN2010201737262 U CN 2010201737262U CN 201020173726 U CN201020173726 U CN 201020173726U CN 201662727 U CN201662727 U CN 201662727U
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Abstract
The utility model provides a water level monitor device, which is suitable for the field of water level control technique. The water level monitor device comprises a high-level and low-level alarm unit; a plurality of water level probes; a first selection switch unit for selecting one of the water level signals detected by the water level probes as the high-level signal, and/or selecting the other one of the water level signals detected by the water level probes as the low-level signal; a high-level and low-level amplification unit for amplifying the high-level signal and/or the low-level signal selected by the first selection switch unit; and a microcontroller for controlling a high-level and low-level alarm unit to send a high-level alarm and/or a low-level alarm according to the amplified high-level signal and/or the amplified low-level signal. The device can bring convenience to the monitoring staff to know whether the water level in the water container is over high or over low. Compared with the conventional water level monitor device using floating ball, the water level monitor device using the water level probes to sense the water level has higher sensitivity and reliability.
Description
Technical field
The utility model belongs to water level control technology field, relates in particular to a kind of water level supervising device.
Background technology
The water level supervising device is meant that the container middle water level that water tank etc. is had a water storage function monitors in real time, and controls the device of the height of container middle water level by the state of control electromagnetic valve, water pump according to monitoring result.
The water level supervising device that prior art provides generally is to adopt the relatively poor floating ball device of reliability to carry out water level control as level sensor, its inner general mechanical hook-up that adopts, easily caused inefficacy that water level is monitored because floating ball device loses efficacy, reliability, dirigibility are relatively poor.
The utility model content
The purpose of this utility model is to provide a kind of water level supervising device, is intended to solve the water level supervising device reliability and the relatively poor problem of dirigibility of the employing floating ball device that prior art provides.
The utility model is achieved in that a kind of water level supervising device, and described device comprises:
The hi-lo signal alarm unit;
The water-level probe unit of induction water receptacle middle water level, described water-level probe unit comprise a plurality of water-level probes of placing described water receptacle differing heights and at least one probe common port corresponding with described a plurality of water-level probes;
The first selector switch unit that connects described water-level probe unit, a water level signal in the water level signal that the described a plurality of water-level probes of the described first selector switch unit selection are sensed respectively is as high signal, and/or chooses another water level signal in the water level signal that described a plurality of water-level probe senses respectively as the low level signal;
With the high low level signal amplification unit that the high signal and/or the low level signal of the described first selector switch unit selection carries out processing and amplifying, described high low level signal amplification unit connects the described first selector switch unit;
High signal after amplifying according to described high low level signal amplification unit and/or low level signal, the described hi-lo signal alarm of control unit send the microcontroller of full level alarm and/or low alarm, and described microcontroller is connected between described high low level signal amplification unit and the hi-lo signal alarm unit.
This device can also comprise:
The second selector switch unit that connects described water-level probe unit, another water level signal in the water level signal that the described a plurality of water-level probes of the described second selector switch unit selection are sensed respectively is as water inlet/water outlet water level enabling signal, and/or chooses another water level signal in the water level signal that described a plurality of water-level probe senses respectively as water inlet/water outlet water level stop signal;
With the water level control signal amplifying unit that the water inlet/water outlet water level enabling signal and/or the water inlet/water outlet water level stop signal of the described second selector switch unit selection are carried out processing and amplifying, described water level control signal amplifying unit is connected between described second selector switch unit and the microprocessor;
The water level control module that connects described microprocessor, water inlet/water outlet water level enabling signal and/or water inlet/water outlet water level stop signal after described microprocessor amplifies according to described water level control signal amplifying unit, by controlling described water level control module, control begins water inlet/water outlet or stops into water/water outlet to described water receptacle.
This device can further include: the water level signal that described a plurality of water-level probes are sensed respectively carries out sending to after the processing and amplifying water level signal amplifying unit of described microprocessor, and described water level signal amplifying unit is connected between described water-level probe unit and the microprocessor.
This device can further include: be connected the communication unit between described microprocessor and the remote monitoring center.
Wherein, described water level signal amplifying unit comprises a plurality of water level amplifying circuits that connect one to one respectively with described a plurality of water-level probes, and described water level amplifying circuit comprises resistance R 1, resistance R 2, resistance R 3, triode Q1, triode Q2, light emitting diode D1 and optocoupler GO1;
The water-level probe that the base stage of triode Q1 connects in the described water-level probe unit by resistance R 1, the collector of triode Q1 connects the negative electrode of light emitting diode D1, the anode of light emitting diode D1 connects a noble potential by resistance R 2, and described noble potential is as the probe common port of water-level probe; The grounded emitter of triode Q2, the base stage of triode Q2 connects the emitter of triode Q1, the collector of triode Q2 connects the collector of triode Q1, the collector of triode Q2 connects the negative electrode of light emitting diode among the optocoupler GO1 simultaneously, the anode of light emitting diode connects this noble potential by resistance R 3 among the optocoupler GO1, the grounded emitter of phototriode among the optocoupler GO1, the collector of phototriode connects described microprocessor among the optocoupler GO1.
Wherein, described high low level signal amplification unit comprises high signal amplifying circuit and low level signal amplification circuit, and the described first selector switch unit comprises two single pole multiple throws;
A plurality of stationary contacts of one of them single pole multiple throw connect described a plurality of water-level probe respectively, and the moving contact of described single pole multiple throw connects described low level signal amplification circuit; Wherein a plurality of stationary contacts of another single pole multiple throw connect described a plurality of water-level probe respectively, and the moving contact of described another single pole multiple throw connects described high signal amplifying circuit.
Described low level signal amplification circuit further can comprise resistance R 4, resistance R 5, resistance R 6, resistance R 7, resistance R 8, resistance R 9, resistance R 17, resistance R 19, triode Q3, triode Q4, triode Q5, triode Q6, optocoupler GO2, optocoupler GO6 and light emitting diode D2;
The base stage of triode Q3 connects the moving contact of a described single pole multiple throw by resistance R 4, the collector of triode Q3 connects the negative electrode of light emitting diode among the optocoupler GO2, the anode of light emitting diode connects a noble potential by resistance R 5 among the optocoupler GO2, the base stage of triode Q4 connects the emitter of triode Q3, the grounded emitter of triode Q4, the collector of triode Q4 connects the collector of triode Q3; The collector of phototriode connects a noble potential by resistance R 6 among the optocoupler GO2, and the emitter of phototriode is by resistance R 8 ground connection among the optocoupler GO2; The grounded emitter of triode Q5, the collector of triode Q5 connects the noble potential that is connected with resistance R 6 by resistance R 7, the collector of triode Q5 connects the base stage of triode Q6 simultaneously, the grounded emitter of triode Q6, the collector of triode Q6 connects the negative electrode of light emitting diode D2 by resistance R 9, the anode of light emitting diode D2 connects a noble potential, the collector of triode Q6 connects the negative electrode of light emitting diode among the optocoupler GO6 simultaneously, the anode of light emitting diode connects a noble potential by resistance R 17 among the optocoupler GO6, the grounded emitter of phototriode among the optocoupler GO6, the collector of phototriode connects a noble potential by resistance R 19 among the optocoupler GO6, and the collector of phototriode connects described microprocessor simultaneously among the optocoupler GO6.
Described high signal amplifying circuit further can comprise resistance R 11, resistance R 13, resistance R 14, resistance R 18, triode Q7, triode Q8, light emitting diode D3 and optocoupler GO3;
The base stage of triode Q7 is by the moving contact of described another single pole multiple throw of resistance R 13 connections, and the collector of triode Q7 connects the negative electrode of light emitting diode D3, and the anode of light emitting diode D3 connects a noble potential by resistance R 11; The grounded emitter of triode Q8, the base stage of triode Q8 connects the emitter of triode Q7, the collector of triode Q8 connects the collector of triode Q7, the collector of triode Q8 connects the negative electrode of light emitting diode among the optocoupler GO3 simultaneously, the anode of light emitting diode connects the noble potential that is connected with resistance R 11 by resistance R 14 among the optocoupler GO3, the grounded emitter of phototriode among the optocoupler GO3, the collector of phototriode connects a noble potential by resistance R 18 among the optocoupler GO3, and the collector of phototriode connects described microprocessor simultaneously among the optocoupler GO3.
Described high signal amplifying circuit can also comprise: resistance R 15, optocoupler GO4, first resistance, second resistance, first triode, second triode and first light emitting diode;
The base stage of described first triode connects a water-level probe in the described water-level probe unit by described second resistance, the collector of described first triode connects the negative electrode of described first light emitting diode, and the anode of described first light emitting diode connects a noble potential by described first resistance; The grounded emitter of described second triode, the base stage of described second triode connects the emitter of described first triode, the collector of described second triode connects the collector of described first triode, the collector of described second triode connects the negative electrode of light emitting diode among the optocoupler GO4 simultaneously, the anode of light emitting diode connects the noble potential that is connected with described first resistance by resistance R 15 among the optocoupler GO4, the grounded emitter of phototriode among the optocoupler GO4, the collector of phototriode connects the collector of phototriode among the optocoupler GO3 among the optocoupler GO4, and the collector of phototriode connects described microprocessor simultaneously among the optocoupler GO4.
Described water level control module can comprise optocoupler GO14, resistance R 37, resistance R 38, resistance R 39, resistance R 40, diode D4, light emitting diode D5, triode Q9 and relay K M;
The anode of light emitting diode connects a noble potential by resistance R 37 among the optocoupler GO14, the negative electrode of light emitting diode connects described microprocessor among the optocoupler GO14, the collector of phototriode connects a noble potential by resistance R 38 among the optocoupler GO14, the emitter of phototriode connects the base stage of triode Q9 among the optocoupler GO14, and the emitter of phototriode is simultaneously by resistance R 40 ground connection among the optocoupler GO14; The negative electrode of diode D4 connects a noble potential, and the anode of diode D4 connects the collector of triode Q9, the grounded emitter of triode Q9; The anode of light emitting diode D5 connects a noble potential, and the negative electrode of light emitting diode D5 connects the collector of triode Q9 by resistance R 39; Coil one end of relay K M connects a noble potential, the coil other end of relay K M connects the collector of triode Q9, one end of the switch of relay K M connects the power end of controlled device place control loop, the other end of the switch of relay K M connects described controlled device, and described controlled device is that solenoid valve or water pump are opened or closed to the control water passage; Described solenoid valve places described water receptacle water inlet or water delivering orifice place.
The water level supervising device that the utility model embodiment provides sends warning by microprocessor controls hi-lo signal alarm unit when high water stage or low-water level occurring, whether being beneficial to the monitor staff, in time to understand the water receptacle middle water level too high or too low, applicability is strong, and owing to be to respond to water level in the water receptacle by water-level probe, floating ball device compared to traditional water level supervising device adopts has higher dirigibility and reliability.
Description of drawings
Fig. 1 is the theory diagram of the water level supervising device that provides of the utility model embodiment;
Fig. 2 is the circuit diagram of Fig. 1 middle water level signal amplification unit;
Fig. 3 is the partial circuit figure of low level signal amplification circuit in the high low level signal amplification unit among Fig. 1;
Fig. 4 is the circuit diagram of high signal amplifying circuit and part low level signal amplification circuit in the high low level signal amplification unit among Fig. 1;
Fig. 5 is the circuit diagram of high low level monitoring means in the water level supervising device that provides of the utility model embodiment;
Fig. 6 is a kind of circuit diagram of microprocessor among Fig. 1;
Fig. 7 is the circuit diagram of communication unit among Fig. 1;
Fig. 8 is the circuit diagram of Fig. 1 middle water level control module.
Embodiment
In order to make the purpose of this utility model, technical scheme and advantage clearer,, the utility model is further elaborated below in conjunction with drawings and Examples.Should be appreciated that specific embodiment described herein only in order to explanation the utility model, and be not used in qualification the utility model.
The water level supervising device that the utility model embodiment provides sends warning by microprocessor controls hi-lo signal alarm unit when high water stage or low-water level occurring.
Fig. 1 is the theory diagram of the water level supervising device that provides of the utility model embodiment, for convenience of explanation, only shows the part relevant with the utility model embodiment.
The water level supervising device that the utility model embodiment provides comprises: hi-lo signal alarm unit 15; The water-level probe unit 11 of induction water receptacle middle water level, water-level probe unit 11 comprises a plurality of water-level probes of placing the water receptacle differing heights and at least one probe common port corresponding with these a plurality of water-level probes, and this at least one probe common port can place the water receptacle bottom; The first selector switch unit 12 that connects water-level probe unit 11, water level signal in the water level signal that a plurality of water-level probes sense is respectively chosen as high signal in the first selector switch unit 12, and/or chooses another water level signal in the water level signal that a plurality of water-level probes sense respectively as the low level signal; The high low level signal amplification unit 13 that high signal that the first selector switch unit 12 is chosen and/or low level signal carry out processing and amplifying, high low level signal amplification unit 13 connects the first selector switch unit 12; According to high signal and/or the low level signal after high low level signal amplification unit 13 amplifications, control hi-lo signal alarm unit 15 sends the microcontroller 14 of full level alarm and/or low alarm, and microcontroller 14 is connected between high low level signal amplification unit 13 and the hi-lo signal alarm unit 15.Water receptacle wherein is meant to have the facility that holds water function, as water tank, pond etc.
Because the water level supervising device that the utility model embodiment provides sends warning by microprocessor controls hi-lo signal alarm unit 15 when high water stage or low-water level occurring, whether being beneficial to the monitor staff, in time to understand the water receptacle middle water level too high or too low, and applicability is strong; In addition, owing to be to respond to water level in the water receptacle by water-level probe, the floating ball device compared to traditional water level supervising device adopts has more high reliability and dirigibility.
The water level supervising device that the utility model embodiment provides can also comprise: the second selector switch unit 17 that connects water-level probe unit 11, another water level signal in the water level signal that a plurality of water-level probes sense is respectively chosen as water inlet/water outlet water level enabling signal in the second selector switch unit 17, and/or chooses another water level signal in the water level signal that a plurality of water-level probes sense respectively as water inlet/water outlet water level stop signal; The water level control signal amplifying unit 18 that water inlet/water outlet water level enabling signal that the second selector switch unit 17 is chosen and/or water inlet/water outlet water level stop signal are carried out processing and amplifying, water level control signal amplifying unit 18 is connected between the second selector switch unit 17 and the microprocessor 14; The water level control module 19 that connects microprocessor 14, water inlet/water outlet water level enabling signal and/or water inlet/water outlet water level stop signal after microprocessor 14 amplifies according to water level control signal amplifying unit 18, by control water level control module 19, control begins water inlet/water outlet or stops into water/water outlet to water receptacle, thereby in realizing, in the warning function of high water stage and low-water level, realized the control of water receptacle middle water level is monitored to water receptacle.
The water level supervising device that the utility model embodiment provides can also comprise: the water level signal that a plurality of water-level probes are sensed respectively carries out sending to after the processing and amplifying water level signal amplifying unit 16 of microprocessor 14, and water level signal amplifying unit 16 is connected between water-level probe unit 11 and the microprocessor 14.At this moment, microprocessor 14 can produce multiple function according to its water level signal that receives and use, for instance, the water level supervising device can be provided with the display unit (not shown) of a connection microprocessor 14, after the water level signal that microprocessor 14 can receive it is handled, show by this display unit; The water level supervising device can also be provided with the communication unit 20 that connects microprocessor 14, microprocessor 14 can send its water level signal that receives to the remote monitoring center by communication unit 20, to realize remote monitoring to the water receptacle middle water level, certainly, that microprocessor 14 can also receive it or processing obtains any signal, as high signal, low level signal, water inlet/water outlet water level enabling signal, water inlet/signals such as water outlet water level stop signal, send the remote monitoring center to realize remote monitoring by communication unit 20.At this moment, further, water level signal amplifying unit 16 itself can also possess a cue circuit, and this cue circuit sends prompting according to the water level signal that a plurality of water-level probes are sensed respectively, in time understands water level situation in the water receptacle for the field staff according to prompting.
Fig. 2 shows the circuit of Fig. 1 middle water level signal amplification unit 16.
Water level signal amplifying unit 16 comprise with water-level probe unit 11 in a plurality of water level amplifying circuits of connecting one to one respectively of a plurality of water-level probes, the structure of each circuit is all identical, with one of them water level discharge circuit is example, and this water level amplifying circuit comprises resistance R 1, resistance R 2, resistance R 3, triode Q1, triode Q2, light emitting diode D1 and optocoupler GO1.Wherein, the water-level probe that the base stage of triode Q1 connects in the water-level probe unit 11 by resistance R 1, the collector of triode Q1 connects the negative electrode of light emitting diode D1, and the anode of light emitting diode D1 connects a noble potential by resistance R 2, and this noble potential is as the probe common port of a plurality of water-level probes; The grounded emitter of triode Q2, the base stage of triode Q2 connects the emitter of triode Q1, the collector of triode Q2 connects the collector of triode Q1, the collector of triode Q2 connects the negative electrode of light emitting diode among the optocoupler GO1 simultaneously, the anode of light emitting diode connects this noble potential by resistance R 3 among the optocoupler GO1, the grounded emitter of phototriode among the optocoupler GO1, the collector of phototriode connects microprocessor 14 among the optocoupler GO1.Circuit structure is similar therewith for the structure of Fig. 1 middle water level control signal amplifying unit 18, then repeats no more.
Water level signal amplifying unit 16 is when monitoring the water receptacle middle water level, when the water level in the water receptacle covers water-level probe and this noble potential simultaneously, triode Q1 and triode Q2 saturation conduction, and then diode D1 conducting is luminous, luminous diode D1 is as the cue circuit of water level signal amplifying unit 16, with current water level in the prompting field staff water receptacle; Optocoupler GO1 and then conducting, thus a low level signal sent by the collector of its phototriode to microprocessor 14.When the water level in the water receptacle did not cover water-level probe and this noble potential simultaneously, triode Q1 and triode Q2 ended, and optocoupler GO1 does not work.
In the water level supervising device that the utility model embodiment provides, high low level signal amplification unit 13 specifically comprises high signal amplifying circuit and low level signal amplification circuit, correspondingly, the first selector switch unit 12 comprises two single pole multiple throws, a plurality of stationary contacts of one of them single pole multiple throw connect a plurality of water-level probes in the water-level probe unit 11 respectively, and the moving contact of this single pole multiple throw connects the low level signal amplification circuit; Wherein a plurality of stationary contacts of another single pole multiple throw connect a plurality of water-level probes in the water-level probe unit 11 respectively, and the moving contact of this another single pole multiple throw connects the high signal amplifying circuit.Fig. 3 shows among Fig. 1 the partial circuit of low level signal amplification circuit in the high low level signal amplification unit 13, Fig. 4 shows among Fig. 1 the circuit of high signal amplifying circuit and part low level signal amplification circuit in the high low level signal amplification unit 13, is illustrated respectively below.
In conjunction with Fig. 3 and shown in Figure 4, the low level signal amplification circuit comprises resistance R 4, resistance R 5, resistance R 6, resistance R 7, resistance R 8, resistance R 9, resistance R 17, resistance R 19, triode Q3, triode Q4, triode Q5, triode Q6, optocoupler GO2, optocoupler GO6 and light emitting diode D2.Wherein, the base stage of triode Q3 connects the moving contact of a single pole multiple throw in the first selector switch unit 12 by resistance R 4, the collector of triode Q3 connects the negative electrode of light emitting diode among the optocoupler GO2, the anode of light emitting diode connects a noble potential by resistance R 5 among the optocoupler GO2, the base stage of triode Q4 connects the emitter of triode Q3, the grounded emitter of triode Q4, the collector of triode Q4 connects the collector of triode Q3; The collector of phototriode connects a noble potential by resistance R 6 among the optocoupler GO2, and the emitter of phototriode is by resistance R 8 ground connection among the optocoupler GO2; The grounded emitter of triode Q5, the collector of triode Q5 connects the noble potential that is connected with resistance R 6 by resistance R 7, the collector of triode Q5 connects the base stage of triode Q6 simultaneously, the grounded emitter of triode Q6, the collector of triode Q6 connects the negative electrode of light emitting diode D2 by resistance R 9, the anode of light emitting diode D2 connects a noble potential, the collector of triode Q6 connects the negative electrode of light emitting diode among the optocoupler GO6 simultaneously, the anode of light emitting diode connects a noble potential by resistance R 17 among the optocoupler GO6, the grounded emitter of phototriode among the optocoupler GO6, the collector of phototriode connects a noble potential by resistance R 19 among the optocoupler GO6, and the collector of phototriode connects microprocessor 14 simultaneously among the optocoupler GO6.
This low level signal amplification circuit is when monitoring the water receptacle middle water level, the single pole multiple throw that is connected with this low level signal amplification circuit will place one in advance, and highly the water level signal that monitors of water-level probe at place is as the low level signal, and the noble potential that is connected with resistance R 5 is as the common port of popping one's head in.When the water level in the water receptacle low-water level do not occur, that is to say, water level covers this water-level probe and the probe common port that is connected with resistance R 5 simultaneously, triode Q3 and triode Q4 saturation conduction, and then optocoupler GO2 conducting, and then make triode Q5 conducting, and triode Q6 is because base stage is a low level so end, light emitting diode D2 is not luminous; When low-water level appears in the water level in the water receptacle, water level does not cover this water-level probe and the probe common port that is connected with resistance R 5 simultaneously, thereby triode Q3 and triode Q4 end, and optocoupler GO2 ends, and triode Q5 ends, at this moment, the noble potential power taking conducting of the base stage of triode Q6 from being connected with resistance R 7, and then make optocoupler GO6 conducting, optocoupler GO6 sends a low level signal to microprocessor 14, light emitting diode D2 conducting simultaneously is low-water level to occur in the prompting field staff water receptacle.
As shown in Figure 4, the high signal amplifying circuit comprises resistance R 11, resistance R 13, resistance R 14, resistance R 18, triode Q7, triode Q8, light emitting diode D3 and optocoupler GO3.Wherein, the base stage of triode Q7 connects the moving contact of another single pole multiple throw in the first selector switch unit 12 by resistance R 13, the collector of triode Q7 connects the negative electrode of light emitting diode D3, and the anode of light emitting diode D3 connects a noble potential by resistance R 11; The grounded emitter of triode Q8, the base stage of triode Q8 connects the emitter of triode Q7, the collector of triode Q8 connects the collector of triode Q7, the collector of triode Q8 connects the negative electrode of light emitting diode among the optocoupler GO3 simultaneously, the anode of light emitting diode connects the noble potential that is connected with resistance R 11 by resistance R 14 among the optocoupler GO3, the grounded emitter of phototriode among the optocoupler GO3, the collector of phototriode connects a noble potential by resistance R 18 among the optocoupler GO3, and the collector of phototriode connects microprocessor 14 simultaneously among the optocoupler GO3.
This high signal amplifying circuit is when monitoring the water receptacle middle water level, the single pole multiple throw that is connected with this high signal amplifying circuit will place one in advance, and highly the water level signal that monitors of water-level probe at place is as high signal, and the noble potential that is connected with resistance R 11 is as the common port of popping one's head in.When the water level in the water receptacle high water stage do not occur, water level did not cover this water-level probe and the probe common port that is connected with resistance R 11 simultaneously, and triode Q7 and triode Q8 end, and optocoupler GO3 ends; When high water stage appearred in the water level in the water receptacle, water level covered this water-level probe and the probe common port that is connected with resistance R 11 simultaneously, triode Q7 and triode Q8 conducting, and optocoupler GO3 conducting then, optocoupler GO3 sends a low level signal to microprocessor 14.
Still can monitor when above-mentioned high signal amplifying circuit loses efficacy in order to ensure this water level supervising device the high water stage in the water receptacle, to realize the double monitoring function of high water stage, among the utility model embodiment, this high signal amplifying circuit can also comprise: resistance R 15, optocoupler GO4, first resistance, second resistance, first triode, second triode and first light emitting diode.Wherein, the circuit that constitutes of the circuit that constituted of first resistance, second resistance, first triode, second triode and first light emitting diode such as above-mentioned resistance R 11, resistance R 13, triode Q7, triode Q8, light emitting diode D3 is identical.Particularly, the base stage of first triode is by a water-level probe in second resistance connection water-level probe unit 11, and the collector of first triode connects the negative electrode of first light emitting diode, and the anode of first light emitting diode connects a noble potential by first resistance; The grounded emitter of second triode, the base stage of second triode connects the emitter of first triode, the collector of second triode connects the collector of first triode, the collector of second triode connects the negative electrode of light emitting diode among the optocoupler GO4 simultaneously, the anode of light emitting diode connects the noble potential that is connected with first resistance by resistance R 15 among the optocoupler GO4, the grounded emitter of phototriode among the optocoupler GO4, the collector of phototriode connects the collector of phototriode among the optocoupler GO3 among the optocoupler GO4, and the collector of phototriode connects microprocessor 14 simultaneously among the optocoupler GO4.The course of work of this circuit does not repeat them here to above-mentioned similar.And when specifically using, the circuit that can adopt above-mentioned thought more optocoupler to be set and to constitute as above-mentioned first resistance, second resistance, first triode, second triode and first light emitting diode, to improve the reliability of monitoring, optocoupler GO5 as shown in Figure 4, resistance R 16, with as the identical circuit of circuit that constitutes of above-mentioned first resistance, second resistance, first triode, second triode and first light emitting diode, and annexation as mentioned above, do not repeat them here.Wherein, optocoupler GO3, optocoupler GO4, optocoupler GO5 and optocoupler GO6 can place an opto-coupler chip U1.
Because in the high signal amplifying circuit of foregoing circuit structure, microprocessor 14 can not be distinguished its high signal that receives and come from optocoupler GO3, optocoupler GO4 or optocoupler GO5, for this reason, the water level supervising device that the utility model embodiment provides comprises that also one connects the high low level monitoring means of microprocessor 14, microprocessor 14 can be discerned the optocoupler that sends high signal according to the signal of this high low level monitoring means output, and the information that recognizes shown by above-mentioned display unit, or send to the remote monitoring center by communication unit 20 and carry out data monitoring.Show the circuit of high low level monitoring means in this water level supervising device that the utility model embodiment provides as Fig. 5.
This high low level monitoring means specifically comprises optocoupler GO7, optocoupler GO8, resistance R 20, resistance R 21, resistance R 24 and resistance R 25.Wherein, the negative electrode of light emitting diode connects the negative electrode of light emitting diode among the optocoupler GO3 among the optocoupler GO7, the anode of light emitting diode connects an end that is not connected with optocoupler GO3 of resistance R 14 among the optocoupler GO7 by resistance R 20, the grounded emitter of phototriode among the optocoupler GO7, the collector of phototriode connects a noble potential by resistance R 24 among the optocoupler GO7, and the collector of phototriode connects microprocessor 14 simultaneously among the optocoupler GO7; The negative electrode of light emitting diode connects the negative electrode of light emitting diode among the optocoupler GO4 among the optocoupler GO8, the anode of light emitting diode connects an end that is not connected with optocoupler GO4 of resistance R 15 among the optocoupler GO8 by resistance 21, the grounded emitter of phototriode among the optocoupler GO8, the collector of phototriode connects a noble potential by resistance R 25 among the optocoupler GO8, and the collector of phototriode connects microprocessor 14 simultaneously among the optocoupler GO8.When above-mentioned high signal amplifying circuit also included optocoupler GO5 and resistance R 16, this high low level monitoring means also comprised optocoupler GO9, resistance R 22, and its connected mode does not repeat them here with reference to as mentioned above.
In addition, for the ease of later programmed, this high low level monitoring means can also comprise optocoupler GO10, resistance R 23 and resistance R 27.The negative electrode of light emitting diode connects the negative electrode of optocoupler GO6 among the optocoupler GO10, the anode of light emitting diode connects an end that is not connected with optocoupler GO6 of resistance R 17 among the optocoupler GO10 by resistance R 23, the grounded emitter of phototriode among the optocoupler GO10, the collector of phototriode connects a noble potential by resistance R 27 among the optocoupler GO10, and the collector of phototriode connects microprocessor 14 simultaneously among the optocoupler GO10.At this moment, optocoupler GO7, optocoupler GO8, optocoupler GO9 and optocoupler GO10 place an opto-coupler chip U2 jointly.
Fig. 7 shows the circuit of communication unit 20 among Fig. 1.
Fig. 8 shows the circuit of Fig. 1 middle water level control module 19.
Water level control module 19 comprises optocoupler GO14, resistance R 37, resistance R 38, resistance R 39, resistance R 40, diode D4, light emitting diode D5, triode Q9 and relay K M.Wherein, the anode of light emitting diode connects a noble potential by resistance R 37 among the optocoupler GO14, the negative electrode of light emitting diode connects microprocessor 14 among the optocoupler GO14, the collector of phototriode connects a noble potential by resistance R 38 among the optocoupler GO14, the emitter of phototriode connects the base stage of triode Q9 among the optocoupler GO14, and the emitter of phototriode is simultaneously by resistance R 40 ground connection among the optocoupler GO14; The negative electrode of diode D4 connects a noble potential, and the anode of diode D4 connects the collector of triode Q9, the grounded emitter of triode Q9; The anode of light emitting diode D5 connects a noble potential, and the negative electrode of light emitting diode D5 connects the collector of triode Q9 by resistance R 39; Coil one end of relay K M connects a noble potential, the coil other end of relay K M connects the collector of triode Q9, one end of the switch of relay K M connects the power end of controlled device place control loop, the other end of the switch of relay K M connects controlled device, as places water receptacle water inlet or water delivering orifice place, control water passage unlatching or electromagnetic valve closed, water pump etc.
The solenoid valve that with the controlled device is the water inlet place is the course of work that example illustrates this water level control unit circuit: microprocessor 14 internal preset have a water level range value, is example with 2m to 6m for the end value of this water level range value, receive the signal of water level control signal amplifying unit 18 when microprocessor 14, judge when water level is lower than 2m, GO14 sends low level signal to optocoupler, make optocoupler GO14 conducting, and then make relay K M conducting, and then the control electromagnetic valve action is to connect the water passage of water inlet; In the water inlet process, when microprocessor 14 receives the signal of water level control signal amplifying unit 18, judge when water level reaches 6m, stop to send high level signal, and then make water passage close to optocoupler GO14, stop into water.Light emitting diode D5 wherein is luminous state with this device of prompting field personnel when water inlet.
The water level supervising device that the utility model embodiment provides sends warning by microprocessor controls hi-lo signal alarm unit when high water stage or low-water level occurring, whether being beneficial to the monitor staff, in time to understand the water receptacle middle water level too high or too low, applicability is strong, and owing to be to respond to water level in the water receptacle by water-level probe, floating ball device compared to traditional water level supervising device adopts has higher dirigibility and reliability; Have again, water inlet/water outlet water level enabling signal and/or water inlet/water outlet water level stop signal after microprocessor amplifies according to water level control signal amplifying unit, by the control water level control module, control begins water inlet/water outlet or stops into water/water outlet to water receptacle, thereby in realizing, in the warning function of high water stage and low-water level, realized control to the water receptacle middle water level to water receptacle; Have, this water level supervising device is provided with the communication unit that is connected with microprocessor again, and is that microprocessor can receive it or handle any signal obtain, sends the remote monitoring center to realize remote monitoring by this communication unit.
The above only is preferred embodiment of the present utility model; not in order to restriction the utility model; all any modifications of within spirit of the present utility model and principle, being done, be equal to and replace and improvement etc., all should be included within the protection domain of the present utility model.
Claims (10)
1. a water level supervising device is characterized in that, described device comprises:
The hi-lo signal alarm unit;
The water-level probe unit of induction water receptacle middle water level, described water-level probe unit comprise a plurality of water-level probes of placing described water receptacle differing heights and at least one probe common port corresponding with described a plurality of water-level probes;
The first selector switch unit that connects described water-level probe unit, a water level signal in the water level signal that the described a plurality of water-level probes of the described first selector switch unit selection are sensed respectively is as high signal, and/or chooses another water level signal in the water level signal that described a plurality of water-level probe senses respectively as the low level signal;
With the high low level signal amplification unit that the high signal and/or the low level signal of the described first selector switch unit selection carries out processing and amplifying, described high low level signal amplification unit connects the described first selector switch unit;
High signal after amplifying according to described high low level signal amplification unit and/or low level signal, the described hi-lo signal alarm of control unit send the microcontroller of full level alarm and/or low alarm, and described microcontroller is connected between described high low level signal amplification unit and the hi-lo signal alarm unit.
2. water level supervising device as claimed in claim 1 is characterized in that, described device also comprises:
The second selector switch unit that connects described water-level probe unit, another water level signal in the water level signal that the described a plurality of water-level probes of the described second selector switch unit selection are sensed respectively is as water inlet/water outlet water level enabling signal, and/or chooses another water level signal in the water level signal that described a plurality of water-level probe senses respectively as water inlet/water outlet water level stop signal;
With the water level control signal amplifying unit that the water inlet/water outlet water level enabling signal and/or the water inlet/water outlet water level stop signal of the described second selector switch unit selection are carried out processing and amplifying, described water level control signal amplifying unit is connected between described second selector switch unit and the microprocessor;
The water level control module that connects described microprocessor, water inlet/water outlet water level enabling signal and/or water inlet/water outlet water level stop signal after described microprocessor amplifies according to described water level control signal amplifying unit, by controlling described water level control module, control begins water inlet/water outlet or stops into water/water outlet to described water receptacle.
3. water level supervising device as claimed in claim 2 is characterized in that, described device also comprises:
The water level signal that described a plurality of water-level probes are sensed respectively carries out sending to after the processing and amplifying water level signal amplifying unit of described microprocessor, and described water level signal amplifying unit is connected between described water-level probe unit and the microprocessor.
4. water level supervising device as claimed in claim 3 is characterized in that, described device also comprises:
Be connected the communication unit between described microprocessor and the remote monitoring center.
5. water level supervising device as claimed in claim 4, it is characterized in that, described water level signal amplifying unit comprises a plurality of water level amplifying circuits that connect one to one respectively with described a plurality of water-level probes, and described water level amplifying circuit comprises resistance R 1, resistance R 2, resistance R 3, triode Q1, triode Q2, light emitting diode D1 and optocoupler GO1;
The water-level probe that the base stage of triode Q1 connects in the described water-level probe unit by resistance R 1, the collector of triode Q1 connects the negative electrode of light emitting diode D1, the anode of light emitting diode D1 connects a noble potential by resistance R 2, and described noble potential is as the described probe common port of water-level probe; The grounded emitter of triode Q2, the base stage of triode Q2 connects the emitter of triode Q1, the collector of triode Q2 connects the collector of triode Q1, the collector of triode Q2 connects the negative electrode of light emitting diode among the optocoupler GO1 simultaneously, the anode of light emitting diode connects this noble potential by resistance R 3 among the optocoupler GO1, the grounded emitter of phototriode among the optocoupler GO1, the collector of phototriode connects described microprocessor among the optocoupler GO1.
6. water level supervising device as claimed in claim 4 is characterized in that, described high low level signal amplification unit comprises high signal amplifying circuit and low level signal amplification circuit, and the described first selector switch unit comprises two single pole multiple throws;
A plurality of stationary contacts of one of them single pole multiple throw connect described a plurality of water-level probe respectively, and the moving contact of described single pole multiple throw connects described low level signal amplification circuit; Wherein a plurality of stationary contacts of another single pole multiple throw connect described a plurality of water-level probe respectively, and the moving contact of described another single pole multiple throw connects described high signal amplifying circuit.
7. water level supervising device as claimed in claim 6, it is characterized in that described low level signal amplification circuit comprises resistance R 4, resistance R 5, resistance R 6, resistance R 7, resistance R 8, resistance R 9, resistance R 17, resistance R 19, triode Q3, triode Q4, triode Q5, triode Q6, optocoupler GO2, optocoupler GO6 and light emitting diode D2;
The base stage of triode Q3 connects the moving contact of a described single pole multiple throw by resistance R 4, the collector of triode Q3 connects the negative electrode of light emitting diode among the optocoupler GO2, the anode of light emitting diode connects a noble potential by resistance R 5 among the optocoupler GO2, the base stage of triode Q4 connects the emitter of triode Q3, the grounded emitter of triode Q4, the collector of triode Q4 connects the collector of triode Q3; The collector of phototriode connects a noble potential by resistance R 6 among the optocoupler GO2, and the emitter of phototriode is by resistance R 8 ground connection among the optocoupler GO2; The grounded emitter of triode Q5, the collector of triode Q5 connects the noble potential that is connected with resistance R 6 by resistance R 7, the collector of triode Q5 connects the base stage of triode Q6 simultaneously, the grounded emitter of triode Q6, the collector of triode Q6 connects the negative electrode of light emitting diode D2 by resistance R 9, the anode of light emitting diode D2 connects a noble potential, the collector of triode Q6 connects the negative electrode of light emitting diode among the optocoupler GO6 simultaneously, the anode of light emitting diode connects a noble potential by resistance R 17 among the optocoupler GO6, the grounded emitter of phototriode among the optocoupler GO6, the collector of phototriode connects a noble potential by resistance R 19 among the optocoupler GO6, and the collector of phototriode connects described microprocessor simultaneously among the optocoupler GO6.
8. water level supervising device as claimed in claim 6 is characterized in that, described high signal amplifying circuit comprises resistance R 11, resistance R 13, resistance R 14, resistance R 18, triode Q7, triode Q8, light emitting diode D3 and optocoupler GO3;
The base stage of triode Q7 is by the moving contact of described another single pole multiple throw of resistance R 13 connections, and the collector of triode Q7 connects the negative electrode of light emitting diode D3, and the anode of light emitting diode D3 connects a noble potential by resistance R 11; The grounded emitter of triode Q8, the base stage of triode Q8 connects the emitter of triode Q7, the collector of triode Q8 connects the collector of triode Q7, the collector of triode Q8 connects the negative electrode of light emitting diode among the optocoupler GO3 simultaneously, the anode of light emitting diode connects the noble potential that is connected with resistance R 11 by resistance R 14 among the optocoupler GO3, the grounded emitter of phototriode among the optocoupler GO3, the collector of phototriode connects a noble potential by resistance R 18 among the optocoupler GO3, and the collector of phototriode connects described microprocessor simultaneously among the optocoupler GO3.
9. water level supervising device as claimed in claim 8 is characterized in that, described high signal amplifying circuit also comprises: resistance R 15, optocoupler GO4, first resistance, second resistance, first triode, second triode and first light emitting diode;
The base stage of described first triode connects a water-level probe in the described water-level probe unit by described second resistance, the collector of described first triode connects the negative electrode of described first light emitting diode, and the anode of described first light emitting diode connects a noble potential by described first resistance; The grounded emitter of described second triode, the base stage of described second triode connects the emitter of described first triode, the collector of described second triode connects the collector of described first triode, the collector of described second triode connects the negative electrode of light emitting diode among the optocoupler GO4 simultaneously, the anode of light emitting diode connects the noble potential that is connected with described first resistance by resistance R 15 among the optocoupler GO4, the grounded emitter of phototriode among the optocoupler GO4, the collector of phototriode connects the collector of phototriode among the optocoupler GO3 among the optocoupler GO4, and the collector of phototriode connects described microprocessor simultaneously among the optocoupler GO4.
10. water level supervising device as claimed in claim 4 is characterized in that, described water level control module comprises optocoupler GO14, resistance R 37, resistance R 38, resistance R 39, resistance R 40, diode D4, light emitting diode D5, triode Q9 and relay K M;
The anode of light emitting diode connects a noble potential by resistance R 37 among the optocoupler GO14, the negative electrode of light emitting diode connects described microprocessor among the optocoupler GO14, the collector of phototriode connects a noble potential by resistance R 38 among the optocoupler GO14, the emitter of phototriode connects the base stage of triode Q9 among the optocoupler GO14, and the emitter of phototriode is simultaneously by resistance R 40 ground connection among the optocoupler GO14; The negative electrode of diode D4 connects a noble potential, and the anode of diode D4 connects the collector of triode Q9, the grounded emitter of triode Q9; The anode of light emitting diode D5 connects a noble potential, and the negative electrode of light emitting diode D5 connects the collector of triode Q9 by resistance R 39; Coil one end of relay K M connects a noble potential, the coil other end of relay K M connects the collector of triode Q9, one end of the switch of relay K M connects the power end of controlled device place control loop, the other end of the switch of relay K M connects described controlled device, and described controlled device is that solenoid valve or water pump are opened or closed to the control water passage; Described solenoid valve places described water receptacle water inlet or water delivering orifice place.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010201737262U CN201662727U (en) | 2010-04-23 | 2010-04-23 | Water level monitor device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010201737262U CN201662727U (en) | 2010-04-23 | 2010-04-23 | Water level monitor device |
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| CN201662727U true CN201662727U (en) | 2010-12-01 |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103376804A (en) * | 2012-04-20 | 2013-10-30 | 北大方正集团有限公司 | Device used for controlling addition of liquid raw materials |
| CN104699027A (en) * | 2013-12-09 | 2015-06-10 | 北车大连电力牵引研发中心有限公司 | Digital quantity output circuit and digital quantity output board card |
| CN105067078A (en) * | 2015-07-15 | 2015-11-18 | 广东美的暖通设备有限公司 | Water level detection method and device for water storing container |
| CN106679762A (en) * | 2017-01-16 | 2017-05-17 | 国家海洋技术中心 | Water level sensor for ocean water level monitoring |
| CN107957738A (en) * | 2016-10-17 | 2018-04-24 | 湖南百里目科技有限责任公司 | A kind of water-level instrumentation |
| CN108536182A (en) * | 2018-05-17 | 2018-09-14 | 安徽自动化仪表有限公司 | A kind of fluid level controller |
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2010
- 2010-04-23 CN CN2010201737262U patent/CN201662727U/en not_active Expired - Lifetime
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103376804A (en) * | 2012-04-20 | 2013-10-30 | 北大方正集团有限公司 | Device used for controlling addition of liquid raw materials |
| CN103376804B (en) * | 2012-04-20 | 2015-11-04 | 北大方正集团有限公司 | A kind of device controlling fluid supply material and add |
| CN104699027A (en) * | 2013-12-09 | 2015-06-10 | 北车大连电力牵引研发中心有限公司 | Digital quantity output circuit and digital quantity output board card |
| CN105067078A (en) * | 2015-07-15 | 2015-11-18 | 广东美的暖通设备有限公司 | Water level detection method and device for water storing container |
| CN105067078B (en) * | 2015-07-15 | 2018-03-27 | 广东美的暖通设备有限公司 | Level testing methods and device for tank |
| CN107957738A (en) * | 2016-10-17 | 2018-04-24 | 湖南百里目科技有限责任公司 | A kind of water-level instrumentation |
| CN106679762A (en) * | 2017-01-16 | 2017-05-17 | 国家海洋技术中心 | Water level sensor for ocean water level monitoring |
| CN106679762B (en) * | 2017-01-16 | 2023-05-23 | 国家海洋技术中心 | Water level sensor for monitoring ocean water level |
| CN108536182A (en) * | 2018-05-17 | 2018-09-14 | 安徽自动化仪表有限公司 | A kind of fluid level controller |
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