CN104061975A - Electric corrosion prevention liquid level electrode detection controller - Google Patents
Electric corrosion prevention liquid level electrode detection controller Download PDFInfo
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- CN104061975A CN104061975A CN201410320781.2A CN201410320781A CN104061975A CN 104061975 A CN104061975 A CN 104061975A CN 201410320781 A CN201410320781 A CN 201410320781A CN 104061975 A CN104061975 A CN 104061975A
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Abstract
The invention discloses an electric corrosion prevention liquid level electrode detection controller. The electric corrosion prevention liquid level electrode detection controller comprises a power module, a chip, a liquid level detection circuit module, a public electrode, a liquid level electrode and a function execution module. The public electrode and the liquid level electrode are arranged on a water tank. The power module comprises an output positive electrode and an output negative electrode and supplies power to the chip. The chip comprises a liquid level detection pin, a liquid level detection power driving pin, an execution module output pin and a chip output negative electrode. The execution module output pin is connected with the function execution module. The liquid level detection pin and the liquid level detection power driving pin are connected with the liquid level detection circuit module respectively. The public electrode is connected with the output negative electrode of the power module or the chip output negative electrode. The liquid level electrode is connected with the liquid level detection circuit module. The liquid electrode detection controller can effectively prevent scaling and electric corrosion from happening to the liquid level electrode and the public electrode, and is simple and reasonable in circuit and stable and reliable in work, and the service life is effectively prolonged.
Description
Technical field
The present invention relates to a kind of level electrode and detect controller, especially a kind of level electrode of anti-electrocorrosion detects controller.
Background technology
At present, liquid level detects controller and is widely used in various liquid heaters, as: electric drinking machine; General liquid level detection device, adopt ball float magnetic conductance to lead to realize, conventionally in liquid container (water tank), insert a ball float, in ball float, there is magnet ring, and magneto sensor is placed in fixed bar, when water level reaches preposition, can automatically carry out corresponding actions (as stopping into water, heating, water supply etc.).
Yet above-mentioned common liquid level detection device, still has the following disadvantages: (1). because ball float is to be placed in liquid container, magneto sensor is heat damage very easily; (2). owing to adopting magneto sensor, be very easily subject to affect and damage the mechanical life of magneto sensor; (3). because ball float is to be placed in liquid container, ball float very easily fouling blocks, and causes the reliability of water level detecting poor, and can reduce the electrocorrosion of sensing element, reduces the serviceable life of sensing element.
For this reason, there is the liquid level detection device being undertaken by electrode mode, comprise public electrode and level electrode, public electrode is located at the tank shell of drinking equipment or immerses water tank bottom, level electrode immerses in water tank, if reach predetermined water level in water tank, level electrode can send liquid level signal to chip, by execution module, moves accordingly (as stopping into water, heating, water supply etc.); Above-mentioned electrode-type liquid level detection device, still has the following disadvantages: (1), because level electrode is switched on for a long time, very easily makes electrode couple corrosion lose efficacy; (2). because the general level electrode immersing in water tank is charged, very easily make electrode adsorption calcium ions and magnesium ions form incrustation scale, cause level electrode to lose efficacy.
Summary of the invention
The object of the invention is to overcome the deficiency that above-mentioned prior art exists, and provide circuit simple and easy, reasonable, working stability is reliable, can prevent level electrode electrocorrosion and scale-deposit-preventing, and the level electrode effectively increasing the service life detects controller.
Object of the present invention can adopt following technical measures to solve:
The level electrode of anti-electrocorrosion detects controller, comprise power module, chip, liquid level detection circuit module, public electrode, level electrode and function execution module, public electrode and level electrode are arranged on respectively on water tank, power module comprises output cathode and output negative pole, for described chip provides power supply, chip comprises that liquid level detects pin, liquid level detects power drives pin, execution module output pin and chip output negative pole, execution module output pin linkage function execution module, liquid level detects pin and is connected respectively liquid level detection circuit module with liquid level detection power drives pin, public electrode connects power module output negative pole or chip output negative pole, level electrode connects liquid level detection circuit module, level electrode detects pin by the high water tank signal collecting through liquid level and is transferred in chip, by function execution module, according to liquid level signal, carry out corresponding actions again, the power supply of level electrode or public electrode is connected and closed to chip automatically, this kind of level electrode detects controller, due to level electrode and the non-long-term energising of public electrode, improves the dutycycle of level electrode or public electrode, effectively prevents the object of level electrode and public electrode fouling, electrocorrosion, effectively increases the service life, and its circuit is simple and easy, reasonable, working stability, reliable.
Object of the present invention can also adopt following technical measures to solve:
As an embodiment wherein, described chip detects power drives pin by controlling liquid level, at preset timed intervals section, with interval mode, connect and close the power supply of liquid level detection circuit module and level electrode, to realize the power supply of level electrode interval; That is: level electrode when energising, high water tank signal can be detected, if during level electrode dead electricity, the deficiencies such as easy electrocorrosion, fouling can be avoided because of long-term energising.
As another embodiment, described chip at preset timed intervals section, with interval mode, connect and close the power supply of chip output negative pole; That is to say, according to using needs, by realizing public electrode interval, power, can avoid equally public electrode because of long-term energising, the deficiencies such as easily electrocorrosion, fouling.
As an embodiment again, the power supply of level electrode or public electrode can be connected and close by pulse mode to described chip also automatically; That is to say, chip, according to pulse signal, is switched on or switched off the power supply of level electrode or public electrode automatically by interval mode, can realize equally the present invention's object.
As an embodiment again, the power supply of level electrode or public electrode can be connected and close by electrode mapping mode to described chip also automatically; That is: chip is by its output cathode of conversion and output negative pole, that is: chip output negative pole and liquid level detect the exchange between power drives pin, can realize the power supply that interval is switched on or switched off public electrode or level electrode equally, realize the present invention's object.
Above-mentioned several mode, is actually and makes level electrode or public electrode in non-long-term "on" position, improves the dutycycle of level electrode and public electrode, prevents the object of level electrode or public electrode fouling, electrocorrosion.
As the scheme of more optimizing, described liquid level detection circuit module is the adjustable liquid level testing circuit of resistance value module; Liquid level detection circuit module can, by changing the resistance of its resistance, regulate its accuracy of detection.
As scheme more specifically, described function execution module also connects respectively water intaking valve, well heater and draining valve, and function execution module is carried out corresponding actions system according to liquid level signal and carried out and stop into water, heating and draining action.
As scheme more specifically, described public electrode is arranged on the bottom of tank shell or water tank cavity; In water tank, can be respectively arranged with high, medium and low a plurality of level electrode according to difference highly, to realize, detect different a plurality of heights of water level in water tank.
Beneficial effect of the present invention is as follows.
(1) level electrode of the present invention detects controller, by adopting electrode mode to detect high water tank, chip is by automatically controlling power supply to level electrode or public electrode, improve the dutycycle of level electrode and public electrode, reduce level electrode and/or public electrode because of long-term energising, easily absorbing calcium ions and magnesium ions and fouling, and overcome level electrode and public electrode because energising for a long time easily causes the deficiency of electrocorrosion, effectively extend the serviceable life of electrode; And sort circuit is simple and easy, enforcement is easy, rationally, working stability.
Accompanying drawing explanation
Fig. 1 is embodiment mono-principle schematic that level electrode of the present invention detects controller.
Fig. 2 is another embodiment principle schematic of Fig. 1.
Embodiment
Below in conjunction with drawings and Examples, the invention will be further described.
Embodiment mono-: as shown in Figure 1, the level electrode of anti-electrocorrosion detects controller, comprise power module 1, chip 2, liquid level detection circuit module 3, public electrode 4, level electrode 5 and function execution module 6, public electrode 4 and level electrode 5 are arranged on respectively on water tank 7, power module 1 comprises output cathode and output negative pole, for described chip 2 provides power supply, chip 2 comprises that liquid level detects pin 21, liquid level detects power drives pin 22, execution module output pin 23 and chip output negative pole 24, execution module output pin 23 linkage function execution modules 6, liquid level detects pin 21 and is connected respectively liquid level detection circuit module 3 with liquid level detection power drives pin 22, the output negative pole that public electrode 4 connects on power module 1, level electrode 5 connects liquid level detection circuit module 3, level electrode 5 detects pin 21 by the high water tank signal collecting through liquid level and is transferred in chip 2, by function execution module 6, according to liquid level signal, carry out corresponding actions again, described chip 2 detects power drives pin 22 by controlling liquid level, at preset timed intervals section, with interval mode, connect and close the power supply of liquid level detection circuit module 3 and level electrode 5, to realize the power supply of level electrode interval, that is: during level electrode 5 energising, high water tank signal can be detected, if during level electrode 5 dead electricity, the deficiencies such as easy electrocorrosion, fouling can be avoided because of long-term energising.
Wherein, described chip 2 is by (time period) program of setting, by liquid level, detect power drives pin 22 and connect liquid level detection circuit 3 power supply a period of times of module, make level electrode 5 obtain the electric liquid level testing of carrying out, after energising a period of time, detect power drives pin 22 again according to (time period) program of setting, disconnect liquid level detection circuit 3 power supply a period of times of module, make level electrode 5 in non-long-term "on" position.
In order further to improve the accuracy of liquid level detection circuit module 3, described liquid level detection circuit module 3 is the adjustable liquid level testing circuit of resistance value modules.
Described function execution module 6 also connects respectively water intaking valve, well heater and draining valve, and function execution module 6 is carried out the execution of corresponding actions system according to liquid level signal and stopped into water, heating and draining action.
As scheme more specifically, described public electrode 4 is arranged on the bottom of water tank 7 shells or water tank 7 inner chambers, and described water tank 7 is interior is respectively arranged with high, medium and low a plurality of level electrode 5 according to difference highly.
Principle of work.
Shown in Fig. 1, public electrode 4 is arranged on the housing of water tank 7, a plurality of level electrodes 5 are separately positioned on water tank 7 inner chambers by high and low position difference, chip 2 is according to (time period) program of setting, by detecting power drives pin 22, connect liquid level detection circuit 3 a period of times of module, now, level electrode 5 obtains electric work, in water tank being detected, liquid level signal reaches setting value, liquid level signal can be detected to pin 21 by liquid level and be sent to chip 2, chip 2 sends liquid level signal to function execution module 6 again, by it, carrying out corresponding action (as stops into water, heating, draining etc.), when liquid level detection circuit module is after 3 energising a period of times, chip 2 is again according to (time period) program of setting, liquid level detection circuit module 3 is cut off the electricity supply, that is: after energising a period of time, stop power supply a period of time again, so be cycled to repeat, realize section at preset timed intervals, with interval mode, switch on and off the power supply of level electrode 5, so that level electrode 5 is in non-long-term "on" position, in order to avoid because of long-term energising, and easily cause couple corrosion, and the deficiency that produces incrustation scale, and then affect its serviceable life.
Embodiment bis-: as shown in Figure 2, this embodiment is close with embodiment mono-, and difference is:
Described public electrode 4 connects chip output negative pole 24, and that level electrode 5 has is a plurality of, respectively by wire connection liquid level detection circuit module 3 separately, a plurality of level electrodes 5 are according to self differing heights, the high water tank signal collecting is detected to pin 21 through liquid level to be transferred in chip 2, by function execution module 6, according to liquid level signal, carry out corresponding actions again, described chip 2 at preset timed intervals section, with interval mode, connect and close the power supply of chip output negative pole 24; That is to say, can pass through chip 2 section at preset timed intervals, with interval energising, power-down mode control chip output negative pole 24 power supplys, can realize equally the object of patent of the present invention, no longer describe in detail here.
Certainly, as an embodiment again, the power supply of level electrode 5 or public electrode 4 can be connected and close by pulse mode to described chip 2 also automatically; That is to say, chip 2, according to pulse signal, is switched on or switched off the power supply of level electrode 5 or public electrode 4 automatically by interval mode, can realize equally the present invention's object.
As an embodiment again, the power supply of level electrode 5 or public electrode 4 can be connected and close by electrode mapping mode to described chip 2 also automatically; That is: chip 2 is by its output cathode of conversion and output negative pole, that is: chip output negative pole 24 and liquid level detect the exchange between power drives pin 22, can realize the power supply that interval is switched on or switched off public electrode or level electrode equally, realize the present invention's object.
Above-mentioned several mode, is actually and makes level electrode 5 or public electrode 4 in non-long-term "on" position, improves the dutycycle of level electrode 5 and public electrode 4, prevents the object of level electrode 5 or public electrode 4 foulings, electrocorrosion; Here no longer describe in detail.
Claims (9)
1. the level electrode of anti-electrocorrosion detects controller, comprise power module (1), chip (2), liquid level detection circuit module (3), public electrode (4), level electrode (5) and function execution module (6), public electrode (4) and level electrode (5) are arranged on respectively on water tank (7), power module (1) comprises output cathode and output negative pole, for described chip (2) provides power supply, chip (2) comprises that liquid level detects pin (21), liquid level detects power drives pin (22), execution module output pin (23) and chip output negative pole (24), execution module output pin (23) linkage function execution module (6), liquid level detects pin (21) and is connected respectively liquid level detection circuit module (3) with liquid level detection power drives pin (22), public electrode (4) connects power module (1) output negative pole or chip output negative pole (24), level electrode (5) connects liquid level detection circuit module (3), level electrode (5) detects pin (21) by the high water tank signal collecting through liquid level and is transferred in chip (2), by function execution module (6), according to liquid level signal, carry out corresponding actions again, the power supply of level electrode (5) or public electrode (4) is connected and closed to chip (2) automatically.
2. the level electrode of anti-electrocorrosion detects controller according to claim 1, it is characterized in that, described chip (2) detects power drives pin (22) by controlling liquid level, at preset timed intervals section, with interval mode, connect and close the power supply of liquid level detection circuit module (3) and level electrode (5).
3. the level electrode of anti-electrocorrosion detects controller according to claim 1, it is characterized in that, described chip (2) is section, the power supply connecting and close chip output negative pole (24) with interval mode at preset timed intervals.
4. the level electrode of anti-electrocorrosion detects controller according to claim 1, it is characterized in that, described chip (2) connects and close the power supply of level electrode (5) or public electrode (4) automatically by pulse mode.
5. the level electrode of anti-electrocorrosion detects controller according to claim 1, it is characterized in that, described chip (2) connects and close the power supply of level electrode (5) or public electrode (4) automatically by electrode mapping mode.
6. the level electrode of anti-electrocorrosion detects controller according to claim 1, it is characterized in that, described liquid level detection circuit module (3) is the adjustable liquid level testing circuit of resistance value module.
7. the level electrode of anti-electrocorrosion detects controller according to claim 1, it is characterized in that, described function execution module (6) also connects respectively water intaking valve, well heater and draining valve, and function execution module (6) is carried out the execution of corresponding actions system according to liquid level signal and stopped into water, heating and draining action.
8. the level electrode of anti-electrocorrosion detects controller according to claim 1, it is characterized in that, described public electrode (4) is arranged on the bottom of water tank (7) shell or water tank (7) inner chamber.
9. the level electrode of anti-electrocorrosion detects controller according to claim 1, it is characterized in that, in described water tank (7), according to difference highly, is respectively arranged with high, medium and low a plurality of level electrode (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201410320781.2A CN104061975B (en) | 2014-07-08 | 2014-07-08 | Electric corrosion prevention liquid level electrode detection controller |
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| CN201410320781.2A CN104061975B (en) | 2014-07-08 | 2014-07-08 | Electric corrosion prevention liquid level electrode detection controller |
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| CN104061975B CN104061975B (en) | 2017-05-03 |
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Cited By (6)
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| CN104482987A (en) * | 2014-12-29 | 2015-04-01 | 重庆诺柏恩自动化技术有限公司 | Split type wireless liquid level detection system and electro-corrosion inhibition method thereof |
| CN105157783A (en) * | 2015-05-26 | 2015-12-16 | 孙景春 | Circuit structure of liquid level sensor |
| CN109394020A (en) * | 2018-11-21 | 2019-03-01 | 九阳股份有限公司 | A kind of level testing methods of food processor |
| CN110736519A (en) * | 2019-11-28 | 2020-01-31 | 珠海格力电器股份有限公司 | Liquid level detection method, liquid level detection device and household appliance |
| CN110806246A (en) * | 2019-11-15 | 2020-02-18 | 深圳朗特智能控制股份有限公司 | Water level monitoring device, water level monitoring method and system thereof, and storage medium |
| CN112461338A (en) * | 2020-11-18 | 2021-03-09 | 珠海格力电器股份有限公司 | Liquid level detection abnormity judgment device and method |
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| CN2388212Y (en) * | 1999-08-04 | 2000-07-19 | 朱兴江 | Electrode anti-corrosive water level controller |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN104482987A (en) * | 2014-12-29 | 2015-04-01 | 重庆诺柏恩自动化技术有限公司 | Split type wireless liquid level detection system and electro-corrosion inhibition method thereof |
| CN104482987B (en) * | 2014-12-29 | 2017-11-10 | 重庆诺柏恩自动化技术有限公司 | Separated wireless liquid level detection system and its galvano-cautery suppressing method |
| CN105157783A (en) * | 2015-05-26 | 2015-12-16 | 孙景春 | Circuit structure of liquid level sensor |
| CN109394020A (en) * | 2018-11-21 | 2019-03-01 | 九阳股份有限公司 | A kind of level testing methods of food processor |
| CN110806246A (en) * | 2019-11-15 | 2020-02-18 | 深圳朗特智能控制股份有限公司 | Water level monitoring device, water level monitoring method and system thereof, and storage medium |
| CN110736519A (en) * | 2019-11-28 | 2020-01-31 | 珠海格力电器股份有限公司 | Liquid level detection method, liquid level detection device and household appliance |
| CN112461338A (en) * | 2020-11-18 | 2021-03-09 | 珠海格力电器股份有限公司 | Liquid level detection abnormity judgment device and method |
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| CN104061975B (en) | 2017-05-03 |
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