CN201714645U - Pump with double level sensors - Google Patents
Pump with double level sensors Download PDFInfo
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- CN201714645U CN201714645U CN 201020218444 CN201020218444U CN201714645U CN 201714645 U CN201714645 U CN 201714645U CN 201020218444 CN201020218444 CN 201020218444 CN 201020218444 U CN201020218444 U CN 201020218444U CN 201714645 U CN201714645 U CN 201714645U
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- 239000007788 liquid Substances 0.000 claims abstract description 182
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 112
- 230000009189 diving Effects 0.000 claims description 23
- 230000002457 bidirectional effect Effects 0.000 claims description 17
- JEGUKCSWCFPDGT-UHFFFAOYSA-N h2o hydrate Chemical compound O.O JEGUKCSWCFPDGT-UHFFFAOYSA-N 0.000 claims description 6
- 238000001514 detection method Methods 0.000 claims description 4
- 230000002035 prolonged effect Effects 0.000 abstract 1
- 238000000034 method Methods 0.000 description 5
- 230000000694 effects Effects 0.000 description 3
- 230000035945 sensitivity Effects 0.000 description 3
- 230000007812 deficiency Effects 0.000 description 2
- 230000005611 electricity Effects 0.000 description 2
- 239000012530 fluid Substances 0.000 description 2
- 230000000630 rising effect Effects 0.000 description 2
- 210000000746 body region Anatomy 0.000 description 1
- 239000003990 capacitor Substances 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000002950 deficient Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000008676 import Effects 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 230000009182 swimming Effects 0.000 description 1
Images
Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B17/00—Pumps characterised by combination with, or adaptation to, specific driving engines or motors
- F04B17/03—Pumps characterised by combination with, or adaptation to, specific driving engines or motors driven by electric motors
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B49/00—Control, e.g. of pump delivery, or pump pressure of, or safety measures for, machines, pumps, or pumping installations, not otherwise provided for, or of interest apart from, groups F04B1/00 - F04B47/00
- F04B49/02—Stopping, starting, unloading or idling control
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B49/00—Control, e.g. of pump delivery, or pump pressure of, or safety measures for, machines, pumps, or pumping installations, not otherwise provided for, or of interest apart from, groups F04B1/00 - F04B47/00
- F04B49/06—Control using electricity
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Control Of Non-Positive-Displacement Pumps (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
Provided is a pump with double level sensors, comprising a control module, a first capacitive level sensor and a second capacitive level sensor which are electrically connected to the control module. The utility model is characterized in that two level sensors are both disposed in a liquid accommodating space in which the liquid level needs to be controlled; with the lowest level in the liquid accommodating space being considered as a base level, the distance between the first capacitive level sensor and the base level is smaller than the distance between the second capacitive sensor and the base level. The utility model is advantageous in that the problem that when a pump body is closed, the pump will be frequently turned on and turned off due to the liquid backflow can be prevented; with the adoption of a vertical submersible pump, the pump can be closed in time and can be prevented from working under unloaded state; electric energy is saved; the service life of a vertical submersible pump can be prolonged.
Description
Technical field
The utility model relates to the pump that is used for from the depths lifting fluid, particularly relates to by liquid level sensor realizing the water pump of control automatically.
Background technique
In order to reach the technique effect that makes water pump start automatically or close according to liquid level change, the prior art water pump mostly detects liquid level by liquid level sensor is installed, and detected liquid level directly fed back to water pump realize to open or to switch off the pump, perhaps feed back to the water pump control module, realize opening or switching off the pump by described control module.The prior art liquid level sensor comprises float-ball type liquid-level switch, electric pole type liquid-level switch and electronic type liquid-level switch.The water pump of above-mentioned configuration liquid level sensor also exists following defective and deficiency:
1. the water pump of prior art arrangement float-ball type liquid-level switch is subjected to structural limitations, and ball float is easy to be blocked by impurity in the liquid and can not normally rise and fall along with liquid level change, causes the described water pump can not be by anticipation mode proper functioning;
2. the water pump of prior art arrangement electric pole type liquid-level switch or electronic type liquid-level switch, a described liquid-level switch is installed near pump intake usually, above-mentioned two kinds of liquid-level switches all have highly sensitive characteristics, can in time open or close described water pump; But, the minor variations of the liquid level in the liquid containing space of needs control liquid level all can cause water pump to start continually or close, for example, when liquid level was lower than described liquid-level switch, described water pump cut out at once, so, in described water pump, also retain the liquid that some is not in time discharged, this part liquid will be back in the liquid containing space after water pump cuts out and cause liquid level to raise again, thereby makes described water pump start once more, causes described water pump unnecessary consumption electric energy;
3. described electric pole type liquid-level switch is to be conducting medium with liquid, the electric conductivity of this electric pole type liquid-level switch so, i.e. and sensitivity liquid body physique influence is very big; Simultaneously, described electric pole type liquid-level switch often is immersed in the liquid, and makes with metallic material, is easy in long-term using process by corrosion, thereby further influences the sensitivity of electric pole type liquid-level switch; Therefore, described electric pole type liquid-level switch is easy to cause disposing the water pump misoperation of this liquid-level switch;
4. prior art mostly is installed in liquid level sensor on the water pump body, be subjected to this structural limitations, the water pump of described configuration liquid level sensor can only start or cut out according to the liquid level control of pump body in the liquid containing space of water pump body region, and can not be in the comparatively complicated liquid containing space of structure and the zone that needs the control liquid level under described water pump is provided with the situation of position, do not finish the automatic pump water function.
The model utility content
The technical problems to be solved in the utility model is to avoid the deficiencies in the prior art part and proposes the water pump of two capacitance level transducers of a kind of configuration, with sensitive, realize that water pump opens automatically and cut out automatically reliably.
The utility model solve the technical problem can be by realizing by the following technical solutions:
Design, a kind of water pump that disposes two level sensors of manufacturing comprise water pump body, also comprise control module, and first capacitance level transducer that is electrically connected with this control module and second capacitance level transducer; Described two liquid level sensors all are arranged in the liquid containing space that needs the control liquid level.With the floor level face in the liquid containing space of described needs control liquid level is reference level, and the distance of described first capacitance level transducer and this reference level is less than the distance of second capacitive transducer and this reference level.Described control module detects the state of described two capacitance level transducers and described water pump body is implemented to draw water control, when this two capacitance level transducer all touches liquid level, start described water pump body, when this two capacitance level transducer does not all touch liquid level, close described water pump body.
Range difference can be a determined value between described two capacitance level transducers, but in order to adapt to the pump water requirement of varying environment, with the floor level face in the liquid containing space of described needs control liquid level is reference level, and described two capacitance level transducers can be adjusted separately respectively with the distance of this reference level separately.Particularly, in the liquid containing space of described needs control liquid level or on the water pump body surface, the chute of vertical direction is set.Be provided with two slide blocks in this chute, and described two slide blocks can be fixed in the arbitrary position on the slideway of described chute separately.Described two capacitance level transducers are installed on respectively on described two slide blocks.
In order to realize the function of control module, particularly, described control module comprises the corresponding respectively first liquid level testing module and the second liquid level testing module that is electrically connected described first, second capacitance level transducer, and the controlled switch module.The described first liquid level testing module detects first capacitance level transducer and whether contacts liquid level and will reflect that the state signal of first capacitance level transducer exports described controlled switch module to; Equally, the described second liquid level testing module detects first capacitance level transducer and whether contacts liquid level and will reflect that the state signal of second capacitance level transducer exports described controlled switch module to.Described controlled switch module is exported control signal of opening drive motor or the control signal of closing drive motor according to described state signal from two liquid level testing modules to the drive motor of water pump body.Further, described controlled switch module comprises full-control type bidirectional thyristor, photo coupler, first triode, second triode and the 3rd triode.Described state signal from the first liquid level detecting switch is imported the base stage of the 3rd triode by the 3rd resistance, and the collector electrode of the 3rd triode is electrically connected the input end of described photo coupler by the 5th resistance and the 6th resistance; Described state signal from the second liquid level detecting switch is imported the base stage of first triode by first resistance, and imports the collector electrode of second triode by first resistance and the 4th resistance; The collector electrode of described first triode is electrically connected the input end of described photo coupler by the 6th resistance; The base stage of described second triode is electrically connected the input end of described photo coupler by second resistance, the 5th resistance and the 6th resistance; The emitter electric connection of power supply of described first triode; The emitter of described second triode and described the 3rd triode is ground connection all.The output terminal of described photo coupler is electrically connected the gate pole of described full-control type bidirectional thyristor.Described full-control type bidirectional thyristor is connected in the current supply circuit of drive motor of described water pump body.
As a kind of concrete application, described water pump body is a vertical type diving pump, is placed on the described bottom that needs the liquid containing space of control liquid level, comprises water intake; This water intake is arranged on described vertical type diving pump bottom surface.With the described floor level face that need control the liquid containing space of liquid level is reference level, described first capacitance level transducer is slightly larger than the minimum pump water water level of described vertical type diving pump to the distance of this reference level, when promptly only occurring liquid level in the described liquid containing space and reaching the situation of minimum pump water water level of described vertical type diving pump, described first capacitance level transducer just breaks away from the liquid level in the described liquid containing space.Particularly, described two capacitance level transducers all are installed on the sidewall of vertical type diving pump.
Compare with prior art, the technique effect of the utility model " water pump of configuration biliquid level sensor " is:
1. described capacitance level transducer is highly sensitive, and antijamming capability is strong; Adopt two capacitance level transducers that height difference is arranged, when liquid level is lower than described lower capacitance level transducer, described pump body is in time closed, the liquid return that is not pumped out in this water pump body is unlikely to cause liquid level to be higher than described higher capacitance level transducer, close thereby solved water pump body, cause the problem of the frequent switching on and shutting down of water pump because of liquid return;
2. the height difference between described two capacitance level transducers is adjustable, makes described water pump can adapt to different pump water demands, has increased water pump automatic opening-closing function application flexibility;
3. described two condenser type liquid sensors can break away from water pump body and be installed in the liquid containing space of needs control liquid level, can not be arranged near the described liquid containing space that needs the control liquid level situation for pump body, still can realize opening automatically and the body that switches off the pump automatically, strengthen the adaptability of described water pump different operating modes according to liquid level;
4. when described water pump body is vertical type diving pump, described vertical type diving pump can make the liquid in the liquid containing space substantially all be pumped out, the utility model can make vertical type diving pump in time close, and be unlikely to occur that liquid has been pumped out in the liquid containing space, the situation that described vertical type diving pump is also worked under unloaded state, save electric energy, the working life that has strengthened vertical type diving pump.
Description of drawings
Fig. 1 is the utility model " water pump of configuration biliquid level sensor " first embodiment's working principle schematic representation;
Fig. 2 is the main schematic representation of looking of orthographic projection of the utility model second embodiment chute 50 that two capacitance level transducers 11,12 are installed;
Fig. 3 is the utility model the 3rd embodiment electricity schematic block diagram;
Fig. 4 is the utility model the 4th embodiment electricity principle schematic;
Fig. 5 is the main schematic representation of looking of the utility model the 5th embodiment's orthographic projection;
Fig. 6 is that schematic representation is looked on described the 5th embodiment's an orthographic projection left side.
Embodiment
Be described in further detail below in conjunction with the accompanying drawing illustrated embodiment.
The utility model proposes a kind of water pump that disposes the biliquid level sensor, as shown in Figure 1, comprise water pump body 30, also comprise control module 20, and first capacitance level transducer 11 that is electrically connected with this control module 20 and second capacitance level transducer 12.Described two liquid level sensors 11,12 all are arranged in the liquid containing space 90 that needs the control liquid level.Described liquid containing space 90 refers to any space that can accumulate liquid, comprise various contain fluid vessel commonly used, for example cylinder, basin etc. also comprise common storing facilities of water, for example swimming pool, pouring wet pit etc., can also be can ponding room, building, tunnel etc.Described liquid containing space 90 can be simple cube or bar shape, can also be the water channel shape of complexity or multi-level, tortuous ponding space.With the floor level face in the liquid containing space of described needs control liquid level is reference level, and the distance of described first capacitance level transducer 11 and this reference level is less than the distance of second capacitive transducer 12 with this reference level.With the utility model first embodiment is example, as shown in Figure 1, is reference level G with the bottom surface of described liquid containing space 90
Ref, so, described first capacitance level transducer 11 and reference level G
RefDistance be exactly H
1, described second capacitance level transducer 12 and reference level G
RefDistance be exactly H
2, described first capacitance level transducer 11 is positioned at the below of second capacitance level transducer 12, i.e. H
1＜H
2Described control module 20 detects the state of described two capacitance level transducers 11,12 and described water pump body 30 is implemented to draw water control, as shown in Figure 1, described first embodiment's the water pump body 30 direction pump water from liquid containing space 90 of following the arrow, when this two capacitance level transducer 11,12 all touches liquid level, start described water pump body 30, when this two capacitance level transducer 11,12 does not all touch liquid level, close described water pump body 30.Water pump described in the utility model can be worked according to level condition under the unmanned state automatically.The utility model two capacitance level transducers 11,12 not necessarily are installed on the pump body 30, therefore, are not only applicable to the submersible pump of working in liquid, also are applicable to common water pump.Prior art mostly is installed in liquid-level switch on the water pump body, one limited by the water pump oneself height, its liquid level control range is little, can only in being no more than the environment of water pump body, the maximum level difference use, the two, limited by the pump water environment, can not use submersible pump pump water at all, limit the Applicable scope of configuration liquid level sensor water pump, for example, need the regional location of control water level far-reaching, water pump can't be brought into or can't power for water pump in the zone that needs control water level.And the utility model water pump can only be installed described capacitance level transducer 11,12 in the zone that needs control water level, and water pump body 30 is arranged on away from the zone that needs control water level, and water pump body can be suitable for the water pump of any kind, increased the Applicable scope of the utility model water pump.In addition, two capacitance level transducers 11 that height difference is arranged are set, 12, have only two liquid level sensors all contact liq just can open water pump, when liquid level in the liquid containing space is lower than first capacitance level transducer 11 and makes water pump body 30 close, though the liquid return that is pumped by water pump body 30 is not to the liquid containing space, but the liquid level that is not sufficient to make the liquid containing space raises and reaches the height of second capacitance level transducer 12, thereby the utility model has prevented this small SEA LEVEL VARIATION and has caused the problem of water pump frequent starting, has solved the problem of prior art water pump unnecessary consumption.
In order to adapt to the pump water requirement of varying environment, height difference between described two capacitance level transducers is adjustable, be reference level with the floor level face in the liquid containing space of described needs control liquid level promptly, described two capacitance level transducers 11,12 can be adjusted separately respectively with the distance of this reference level separately.This makes the utility model water pump be applicable to unattended storing facilities of water, so that the liquid level of storing facilities of water is controlled in the range of needs.The utility model second embodiment as shown in Figure 2, proposes the adjustable concrete technological scheme of height difference between a kind of two capacitance level transducers, controls in the liquid containing space of liquid level in described the needs, and the chute 50 of vertical direction is set.Be provided with two slide blocks in this chute 50, and described two slide blocks can be fixed in the arbitrary position on the slideway of described chute 50 separately.Described two capacitance level transducers 11,12 are installed on respectively on described two slide blocks.Expect that easily this chute 50 can also be installed in water pump body 30 surfaces.
The utility model the 3rd embodiment, as shown in Figure 3, a kind of implementation of control module 20 is proposed, described control module 20 comprises the corresponding respectively first liquid level testing module 21 and the second liquid level testing module 22 that is electrically connected described first, second capacitance level transducer 11,12, and controlled switch module 40.The described first liquid level testing module 21 detects first capacitance level transducer 11 and whether contacts liquid level and will reflect that the state signal of first capacitance level transducer 11 exports described controlled switch module 40 to; Equally, the described second liquid level testing module 22 detects first capacitance level transducer 12 and whether contacts liquid level and will reflect that the state signal of second capacitance level transducer 12 exports described controlled switch module 40 to.Described controlled switch module 40 is exported control signal of opening drive motor M or the control signal of closing drive motor M according to described state signal from two liquid level testing modules 21,22 to the drive motor M of water pump body 30.
The utility model the 4th embodiment as shown in Figure 4, proposes further specific embodiment on described the 3rd embodiment basis.Described controlled switch module 40 comprises full-control type bidirectional thyristor Q, photo coupler U, the first triode T
1, the second triode T
2With the 3rd triode T
3Described state signal from the first liquid level detecting switch 21 passes through the 3rd resistance R
3Import the 3rd triode T
3Base stage b, the 3rd triode T
3Collector electrode c by the 5th resistance R
5With the 6th resistance R
6Be electrically connected the input end of described photo coupler U; Described state signal from the second liquid level detecting switch 22 passes through first resistance R
1Import the first triode T
1Base stage b, and by first resistance R
1With the 4th resistance R
4Import the second triode T
2Collector electrode c; The described first triode T
1Collector electrode c by the 6th resistance R
6Be electrically connected the input end of described photo coupler U; The described second triode T
2Base stage b by second resistance R
2, the 5th resistance R
5With the 6th resistance R
6Be electrically connected the input end of described photo coupler U; The described first triode T
1Emitter e electric connection of power supply V
CCThe described second triode T
2With described the 3rd triode T
3Emitter e ground connection all.The output terminal of described photo coupler U is electrically connected the gate pole g of described full-control type bidirectional thyristor Q.Described full-control type bidirectional thyristor Q is connected in the current supply circuit of drive motor M of described water pump body 30.
The utility model the 4th embodiment, civil power is through the dc supply V of AC-DC conversion module output feed flow position testing module 21,22 and controlled switch module 40
CCModule U wherein
1It is the DC voltage-stabilizing module.In described the 4th embodiment, described two liquid level testing modules 21,22 all use the HL2205 ultrasonic atomizer special chip of Suzhou Microtronics A/S of connection core section, and this chip has detection and liquid level detection.Described chip comprises eight pins, and pin 1 is used for some joint detection electric capacity, i.e. a capacitance level transducer; Pin 2 is used for the input integral anti-interference capacitor; Pin 3 is used to export liquid level signal, i.e. whether output reflection capacitance level transducer touches the level signal of liquid; Pin 4 and pin 6 all are the sky pins; Pin 5 is used for the electric connection of power supply negative pole; Pin 7 is used to be electrically connected reference capacitance; Pin 8 is used for the electric connection of power supply positive pole.When the rising of the liquid level in the liquid containing space reaches first capacitance level transducer 11, the described first liquid level testing module, 21 output high level conductings the 3rd triode T
3And then make described photo coupler U export high level, but because the second liquid level testing module, 22 output low levels that are electrically connected with second capacitance level transducer 12, the gate pole g electric current of full-control type bidirectional thyristor Q does not reach threshold value, and full-control type bidirectional thyristor Q keeps turn-offing.When the rising of the liquid level in the liquid containing space reaches second capacitance level transducer 12, the described second liquid level testing module, 22 output high level conductings, the second triode T
2, make the gate pole g of full-control type bidirectional thyristor Q obtain electric current greater than threshold value, full-control type bidirectional thyristor Q conducting, the drive motor M of water pump body 30 starts.When the liquid level in the liquid containing space reduced and is lower than second capacitance level transducer 12, the described second liquid level testing module, 22 output low levels were turn-offed the first triode T
1, but this moment the 3rd triode T
3Still conducting, the gate pole g of full-control type bidirectional thyristor Q also has electric current to exist, and full-control type bidirectional thyristor Q keeps conducting.When the liquid level in the liquid containing space reduced and is lower than first capacitance level transducer 11, the described first liquid level testing module, 21 output low levels were turn-offed the 3rd triode T
3, described photo coupler U output low level, the gate pole g of full-control type bidirectional thyristor Q loses electric current, and full-control type bidirectional thyristor Q keeps being turned off, and the drive motor M of water pump body 30 closes.
The utility model the 5th embodiment, as shown in Figure 5 and Figure 6, described water pump body 30 is vertical type diving pumps 31, is placed on the described bottom that needs the liquid containing space of control liquid level, comprises water intake 311.This water intake 311 is arranged on described vertical type diving pump 31 bottom surfaces.Because the prior art vertical type diving pump can make the liquid in the liquid containing space pump substantially fully, if described capacitance level transducer is not installed, at this moment, described vertical type diving pump still can work on, and causes vertical type diving pump no-load running.Just can address the above problem fully by capacitance level transducer is set, as shown in Figure 5 and Figure 6, be reference level with the described floor level face that need control the liquid containing space of liquid level just, and described first capacitance level transducer 11 is to this reference level G
RefDistance H
1Be slightly larger than the minimum pump water water level P of described vertical type diving pump 31
MINFor different liquids physique, and the sensitivity of different capacitance level transducers, described H
1Greater than P
MINDegree can not determine to be a fixed value, still, first capacitance level transducer 11 is set to this reference level G
RefDistance H
1Should reach following technique effect: only occur the minimum pump water water level P that liquid level in the described liquid containing space reaches described vertical type diving pump 31
MINSituation the time, described first capacitance level transducer 11 just breaks away from the liquid level in the described liquid containing space, and does not contact the information of liquid level to control module 20 these first capacitance level transducers 11 of output reflection.
For described the 5th embodiment, two capacitance level transducers 11,12 described in the utility model both can have been installed in the liquid containing space, also can all be installed on the sidewall of vertical type diving pump 31.
Claims (7)
1. a water pump that disposes the biliquid level sensor comprises water pump body (30), it is characterized in that:
Also comprise control module (20), and first capacitance level transducer (11) that is electrically connected with this control module (20) and second capacitance level transducer (12); Described two liquid level sensors (11,12) all are arranged in the liquid containing space that needs the control liquid level; With the floor level face in the liquid containing space of described needs control liquid level is reference level, and the distance of described first capacitance level transducer (11) and this reference level is less than the distance of second capacitive transducer (12) with this reference level;
Described control module (20) detects the state of described two capacitance level transducers (11,12) and described water pump body (30) is implemented to draw water control, when this two capacitance level transducer (11,12) when all touching liquid level, start described water pump body (30), when this two capacitance level transducer (11,12) when all not touching liquid level, close described water pump body (30).
2. the water pump of configuration biliquid level sensor according to claim 1 is characterized in that:
With the floor level face in the liquid containing space of described needs control liquid level is reference level, and described two capacitance level transducers (11,12) can be adjusted separately respectively with the distance of this reference level separately.
3. the water pump of configuration biliquid level sensor according to claim 2 is characterized in that:
In the liquid containing space of described needs control liquid level or on water pump body (30) surface, the chute (50) of vertical direction is set; This chute is provided with two slide blocks in (50), and described two slide blocks can be fixed in the arbitrary position on the slideway of described chute (50) separately; Described two capacitance level transducers (11,12) are installed on respectively on described two slide blocks.
4. the water pump of configuration biliquid level sensor according to claim 1 is characterized in that:
Described control module (20) comprises the corresponding respectively first liquid level testing module (21) and the second liquid level testing module (22) that is electrically connected described first, second capacitance level transducer (11,12), and controlled switch module (40);
The described first liquid level testing module (21) detects first capacitance level transducer (11) and whether contacts liquid level and will reflect that the state signal of first capacitance level transducer (11) exports described controlled switch module (40) to; Equally, whether the described second liquid level testing module (22) detection first capacitance level transducer (12) contacts liquid level and will reflect that the state signal of second capacitance level transducer (12) exports described controlled switch module (40) to; Described controlled switch module (40) is exported control signal of opening drive motor (M) or the control signal of closing drive motor (M) according to described state signal from two liquid level testing modules (21,22) to the drive motor (M) of water pump body (30).
5. the water pump of configuration biliquid level sensor according to claim 4 is characterized in that:
Described controlled switch module (40) comprises full-control type bidirectional thyristor (Q), photo coupler (U), the first triode (T
1), the second triode (T
2) and the 3rd triode (T
3);
Described state signal from the first liquid level detecting switch (21) passes through the 3rd resistance (R
3) input the 3rd triode (T
3) base stage (b), the 3rd triode (T
3) collector electrode (c) by the 5th resistance (R
5) and the 6th resistance (R
6) be electrically connected the input end of described photo coupler (U); Described state signal from the second liquid level detecting switch (22) passes through the first resistance (R
1) the input first triode (T
1) base stage (b), and by the first resistance (R
1) and the 4th resistance (R
4) the input second triode (T
2) collector electrode (c); The described first triode (T
1) collector electrode (c) by the 6th resistance (R
6) be electrically connected the input end of described photo coupler (U); The described second triode (T
2) base stage (b) by the second resistance (R
2), the 5th resistance (R
5) and the 6th resistance (R
6) be electrically connected the input end of described photo coupler (U); The described first triode (T
1) emitter (e) electric connection of power supply (V
CC); The described second triode (T
2) and described the 3rd triode (T
3) emitter (e) ground connection all; The output terminal of described photo coupler (U) is electrically connected the gate pole (g) of described full-control type bidirectional thyristor (Q); Described full-control type bidirectional thyristor (Q) is connected in the current supply circuit of drive motor (M) of described water pump body (30).
6. the water pump of configuration biliquid level sensor according to claim 1 is characterized in that:
Described water pump body (30) is vertical type diving pump (31), is placed on the described bottom that needs the liquid containing space of control liquid level, comprises water intake (311); This water intake (311) is arranged on described vertical type diving pump (31) bottom surface; With the described floor level face that need control the liquid containing space of liquid level is reference level, described first capacitance level transducer (11) is slightly larger than the minimum pump water water level of described vertical type diving pump (31) to the distance of this reference level, when promptly only occurring liquid level in the described liquid containing space and reaching the situation of minimum pump water water level of described vertical type diving pump (31), described first capacitance level transducer (11) just breaks away from the liquid level in the described liquid containing space.
7. the water pump of configuration biliquid level sensor according to claim 6 is characterized in that:
Described two capacitance level transducers (11,12) all are installed on the sidewall of vertical type diving pump (31).
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201020218444 CN201714645U (en) | 2010-06-04 | 2010-06-04 | Pump with double level sensors |
| PCT/CN2011/074788 WO2011150773A1 (en) | 2010-06-04 | 2011-05-27 | Water pump with double liquid level sensors |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201020218444 CN201714645U (en) | 2010-06-04 | 2010-06-04 | Pump with double level sensors |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201714645U true CN201714645U (en) | 2011-01-19 |
Family
ID=43460641
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201020218444 Expired - Lifetime CN201714645U (en) | 2010-06-04 | 2010-06-04 | Pump with double level sensors |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN201714645U (en) |
| WO (1) | WO2011150773A1 (en) |
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2011150773A1 (en) * | 2010-06-04 | 2011-12-08 | 深圳市兴日生实业有限公司 | Water pump with double liquid level sensors |
| CN103752441A (en) * | 2013-12-28 | 2014-04-30 | 北京昊华能源股份有限公司 | Automatic water adding device for spray pump |
| CN104296795A (en) * | 2014-10-31 | 2015-01-21 | 湖南农业大学 | Automatic sensor detection control device and method |
| CN104612980A (en) * | 2015-01-28 | 2015-05-13 | 深圳市钜泰泵业有限公司 | Automatic water level control water pump |
| CN108021151A (en) * | 2017-12-28 | 2018-05-11 | 广州奥拓夫节能科技有限公司 | A kind of intelligent controlling device of pump motor |
| CN108843585A (en) * | 2018-08-13 | 2018-11-20 | 北京华锴盛泽机电材料有限公司 | A kind of automation electricity draining pump of integrated liquid level identification function |
| CN111765097A (en) * | 2020-07-16 | 2020-10-13 | 福建爱的电器有限公司 | A horizontal automatic submersible pump |
| WO2020258438A1 (en) * | 2019-06-28 | 2020-12-30 | 苏州优德通力科技有限公司 | Water pump for washbasin |
| US20210041137A1 (en) * | 2019-08-09 | 2021-02-11 | Joseph G. Collins | Method and system for detecting blockages in condensate lines and notifying interested parties |
| CN115306734A (en) * | 2022-08-24 | 2022-11-08 | 宁波君禾智能科技有限公司 | Submersible pump and method for automatically controlling liquid level |
| CN115492774A (en) * | 2022-08-24 | 2022-12-20 | 宁波君禾智能科技有限公司 | Method for automatically delaying shutdown of submersible pump and submersible pump |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN103147967A (en) * | 2013-03-18 | 2013-06-12 | 陈武 | GSM remote wireless intelligent control automatic water pumping system |
| CN104088781A (en) * | 2014-07-08 | 2014-10-08 | 中国石油集团川庆钻探工程有限公司工程技术研究院 | Frequency conversion and energy saving monitoring system for water source well of oil field |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| US4276454A (en) * | 1979-03-19 | 1981-06-30 | Zathan William J | Water level sensor |
| FR2584459A1 (en) * | 1985-07-03 | 1987-01-09 | Julien Mege | Device for controlling a submersible electric pump, immersed in a tank or the like containing a liquid, as a function of the level of the liquid in that tank and electric pump fitted with this device |
| JP2846670B2 (en) * | 1989-09-20 | 1999-01-13 | 株式会社クボタ | Indoor drainage system |
| US5856783A (en) * | 1990-01-02 | 1999-01-05 | Raptor, Inc. | Pump control system |
| CN2151278Y (en) * | 1992-12-31 | 1993-12-29 | 周德玉 | Oil sucker controller |
| US6923056B2 (en) * | 2003-10-10 | 2005-08-02 | Delphi Technologies, Inc. | Resonant network fluid level sensor assembly |
| CN201714645U (en) * | 2010-06-04 | 2011-01-19 | 深圳市兴日生实业有限公司 | Pump with double level sensors |
-
2010
- 2010-06-04 CN CN 201020218444 patent/CN201714645U/en not_active Expired - Lifetime
-
2011
- 2011-05-27 WO PCT/CN2011/074788 patent/WO2011150773A1/en active Application Filing
Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2011150773A1 (en) * | 2010-06-04 | 2011-12-08 | 深圳市兴日生实业有限公司 | Water pump with double liquid level sensors |
| CN103752441A (en) * | 2013-12-28 | 2014-04-30 | 北京昊华能源股份有限公司 | Automatic water adding device for spray pump |
| CN104296795A (en) * | 2014-10-31 | 2015-01-21 | 湖南农业大学 | Automatic sensor detection control device and method |
| CN104612980A (en) * | 2015-01-28 | 2015-05-13 | 深圳市钜泰泵业有限公司 | Automatic water level control water pump |
| CN104612980B (en) * | 2015-01-28 | 2017-01-18 | 深圳市钜泰泵业有限公司 | Automatic water level control water pump |
| CN108021151A (en) * | 2017-12-28 | 2018-05-11 | 广州奥拓夫节能科技有限公司 | A kind of intelligent controlling device of pump motor |
| CN108843585A (en) * | 2018-08-13 | 2018-11-20 | 北京华锴盛泽机电材料有限公司 | A kind of automation electricity draining pump of integrated liquid level identification function |
| CN108843585B (en) * | 2018-08-13 | 2024-05-28 | 北京芯金源测控技术有限公司 | Automatic electric drainage pump integrating liquid level recognition function |
| WO2020258438A1 (en) * | 2019-06-28 | 2020-12-30 | 苏州优德通力科技有限公司 | Water pump for washbasin |
| US20210041137A1 (en) * | 2019-08-09 | 2021-02-11 | Joseph G. Collins | Method and system for detecting blockages in condensate lines and notifying interested parties |
| CN111765097A (en) * | 2020-07-16 | 2020-10-13 | 福建爱的电器有限公司 | A horizontal automatic submersible pump |
| CN115306734A (en) * | 2022-08-24 | 2022-11-08 | 宁波君禾智能科技有限公司 | Submersible pump and method for automatically controlling liquid level |
| CN115492774A (en) * | 2022-08-24 | 2022-12-20 | 宁波君禾智能科技有限公司 | Method for automatically delaying shutdown of submersible pump and submersible pump |
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| Publication number | Publication date |
|---|---|
| WO2011150773A1 (en) | 2011-12-08 |
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Granted publication date: 20110119 |