CN202246186U - Descaling device of water tank - Google Patents
Descaling device of water tank Download PDFInfo
- Publication number
- CN202246186U CN202246186U CN201120359817XU CN201120359817U CN202246186U CN 202246186 U CN202246186 U CN 202246186U CN 201120359817X U CN201120359817X U CN 201120359817XU CN 201120359817 U CN201120359817 U CN 201120359817U CN 202246186 U CN202246186 U CN 202246186U
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- water tank
- voltage
- microcontroller
- eliminating sludge
- potentiostat
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Abstract
The utility model provides a descaling device of a water tank, which comprises a control circuit with an anode and a cathode, and a metal rod arranged inside the water tank. The anode of the control circuit is connected to the metal rod, and the cathode of the control circuit is connected to an inner container of the water tank. The control circuit comprises: a voltage providing unit wherein the output end is connected to the anode of the control circuit for providing the metal rod with a voltage; and a microcontroller which is connected to an enable port of the voltage providing unit for detecting the output current of the voltage providing unit, and can output control signals according to the detected output current for controlling the voltage providing unit. The device provided by the utility device can be used for descaling efficiently according to different water quality.
Description
Technical field
The utility model relates to water tank, relates in particular to a kind of water tank apparatus for eliminating sludge.
Background technology
The metal inner tube water tank of solar heating or alternate manner water-heater can perhaps be corroded because of life-time service causes adhering on the wall of inner container a lot of incrustation scales, thereby influences the life-span of water-heater, and has increased hot water user's uncomfortable property.
For fear of this problem; The general at present method that adopts is to apply electric current in the water tank outside to eliminate incrustation scale; The principle of this method is the anode that the output terminal anode connection of direct supply is placed water heater liner, and the cathode wire of its output terminal connects the inner bag of water-heater.When circuit working, electric current forms a loop line from anode between water to metal inner tube, make protected metal inner tube obtain cathodic polarization.
Though aforesaid method can be removed the incrustation scale that is deposited on the wall of inner container, whether the water that this method can't detect in the water tank is contaminated.Even thereby removed the incrustation scale on the wall of inner container, but because the water in the water tank is contaminated, and it is uncomfortable that the user also can feel, such as, if hot water is tap water, the user possibly will drink into contaminated water.
And if the scale removal circuit contacts is bad or do not connect, then scale removal work just can not be carried out, and for the user, whether then can't know the scale removal circuit just in works better, can take for water tank always in scale removal, therefore possibly cause the life-span of hot well tank to shorten.
The utility model content
To existing deficiency of present descaling method and defective, the utility model provides a kind of water tank apparatus for eliminating sludge, can monitor the working order of scale removal circuit in real time, and can in time turn-off or open the scale removal circuit according to the working order of scale removal circuit.
For realizing above-mentioned purpose; The utility model provides a kind of water tank apparatus for eliminating sludge, comprises pilot circuit with anodal and negative pole and the metal bar that places in the said water tank, and the positive pole of wherein said pilot circuit is connected with said metal bar; The negative pole of said pilot circuit is connected with the inner bag of said water tank; It is characterized in that said pilot circuit comprises: voltage provides the unit, its output terminal is connected with the positive pole of said pilot circuit; Be used to provide a voltage to said metal bar, said voltage provides the unit to have an enable port;
Microcontroller, it connects said voltage provides unitary enable port, and being used for provides unitary outward current to detect to said voltage, and exports wave to provide the unit to control to said voltage according to detected outward current.
According to an embodiment of the utility model, it is a potentiostat that said voltage provides the unit.
According to an embodiment of the utility model, when said microcontroller was higher than first preset value at said detected outward current, output was turn-offed wave and is come to provide the unit to turn-off to said voltage.Further, said microcontroller is providing after the unit turn-offs the guard signal that also makes a mistake to outside output to said voltage.
According to another embodiment of the utility model, said microcontroller is zero or the cue of breaking down to outside output during less than second preset value at detected outward current.
According to an embodiment of the utility model, when said microcontroller was eliminated or changed water in said fault, output control of turning signal was to open said potentiostat again.
According to an embodiment of the utility model, said microcontroller detects said voltage through the resistance feedback system unitary outward current is provided.
According to an embodiment of the utility model, said pilot circuit also comprises the potentiostat holding circuit, is used to protect the said potentiostat that said potentiostat is excessive owing to electric current, static discharge is former thereby cause to damage.Further, said potentiostat holding circuit can be lc circuit.
According to an embodiment of the utility model, said microcontroller is a micro-chip.
According to an embodiment of the utility model, said potentiostat is one of them in the three-terminal voltage regulator of low dropout voltage regulator, software switching-off.
According to an embodiment of the utility model, said metal bar can be the titanium alloy rod.
According to an embodiment of the utility model, said water tank apparatus for eliminating sludge also comprises the consumption type metal rod on the anodal next door that is arranged on said pilot circuit.Said consumption type metal rod can be the magnesium rod.
The water tank apparatus for eliminating sludge of the utility model; The method that combines through software and hardware; Working current according to wherein pilot circuit can be with the self-regulating characteristic of water quality; Can come automatic switching voltage that circuit is provided according to water quality situation or fault situation (for example under the contaminated situation of water quality), can prevent that effectively incrustation scale from depositing at tank inner wall to different quality, and can monitor its internal circuit failure condition.And output error guard signal further, and also can be presented at final user's display terminal or realize according to demand with other acousto-optic means.If the magnesium metal bar is housed in the water tank simultaneously, when pilot circuit is worked, can also prevent that the magnesium rod from consuming.
Description of drawings
Fig. 1 is the schematic diagram that shows the water tank apparatus for eliminating sludge of the utility model;
Fig. 2 is the formation block diagram of the pilot circuit in the water tank apparatus for eliminating sludge shown in Fig. 1;
Fig. 3 is the structured flowchart according to the pilot circuit of first embodiment of the utility model;
Fig. 4 is the formation block diagram according to the pilot circuit of second embodiment of the utility model;
Fig. 5 is the formation block diagram according to the pilot circuit of the 3rd embodiment of the utility model;
Fig. 6 is the circuit structure diagram according to the pilot circuit of an embodiment of the utility model.
Embodiment
Hereinafter will more comprehensively be described the utility model with reference to accompanying drawing, and wherein accompanying drawing shows the illustrative examples of the utility model.Yet the utility model can many different forms be implemented, and is not interpreted as the restriction to the embodiment that is proposed here.Or rather, these embodiment are provided,, and fully the scope of the utility model are passed to those of ordinary skills so that the utility model will be completely and completely.Same reference marker is represented same element in full.
Term as used herein only is in order to describe certain embodiments, but not tends to limit the utility model.As used herein singulative " one ", " one " and " being somebody's turn to do " also tend to comprise plural form, only if expression is clearly arranged in the literary composition in addition.It is also to be understood that; Employed in this manual term " comprises " and/or " including " or " having " and/or " having " explains be the characteristic stated, zone, integer, step, operation, element with and/or the existing of parts, and do not get rid of one or more other characteristic, zone, integer, step, operation, element, parts with and/or the existing of its combination.
Only if definition is arranged in addition; Employed all terms of this paper (comprising T.T. and scientific terminology) have the equivalent of as those of ordinary skills, understanding; It is also to be understood that; Defined those terms should be interpreted as the meaning that has with aggregatio mentium in the situation of correlation technique and the utility model in the general dictionary that uses, and are not interpreted as Utopian or excessive formal meaning, only if this paper defines especially.
As used herein, " approximately ", " pact " or " being similar to " generally mean SP or scope 20% in, preferably SP or scope 10% in, more preferably SP or scope 5% in.The given quantity of this paper is general, means if indeterminate explanation, and then deducibility goes out it and have the meaning of " approximately ", " pact " or " being similar to ".
In conjunction with the accompanying drawing among Fig. 1-Fig. 6, the embodiment of the utility model is made description.According to the purpose of the utility model, as this paper implemented with wide in range description, the utility model provides a kind of water tank apparatus for eliminating sludge.
Fig. 1 is the schematic diagram that shows the water tank apparatus for eliminating sludge of the utility model.In Fig. 1, the water tank apparatus for eliminating sludge of the utility model comprises pilot circuit 100 and the metal bar 400 that places in the water tank.Pilot circuit 100 has positive pole and negative pole; Wherein anodal through positive wire 200 connection metal bars 400; This metal bar 400 places inner water tank; Negative pole connects on the inner bag shell 500 of water tank through cathode conductor 300, thereby between pilot circuit 100, metal bar 400, water and inner water tank shell 500, forms circuit loop.
Pilot circuit 100 can carry out the shutoff to the closing of circuit loop according to the size of current in the circuit loop.Therefore; As shown in Figure 2; According to an embodiment of the utility model, said pilot circuit 100 comprises that voltage provides unit 110 and microcontroller 120, and wherein voltage provides unit 110 to be used to metal bar 400 voltage is provided; Its output terminal is connected with the positive pole of pilot circuit 100, thereby the voltage of its output is offered said metal bar 400.
Whether voltage provides unit 110 to receive the wave of microcontroller 120, provide unit 110 to provide voltage to metal bar 400 so that control voltage according to the wave of microcontroller 120.
120 of microcontrollers are monitored the current conditions in the formed circuit loop between pilot circuit 100, metal bar 400, water and inner water tank shell 500 simultaneously; Also promptly constantly detect the outward current that voltage provides unit 110, export the Different control signal according to the feedback signal that is obtained about current conditions.
Particularly; If the electric current in this circuit loop is higher than a preset value in the microcontroller 120 (first preset value); Think it to be the anodal output short-circuit of the too poor or pilot circuit of water quality; At this moment the wave that microcontroller 120 outputs are turn-offed provides unit 110 to voltage, so that voltage provides unit 110 to stop to provide voltage to metal bar 400.
According to an embodiment of the utility model, microcontroller 120 is also in the wave that output is turn-offed, to outside output alarm signal, need change water to the external prompt water tank.
On the other hand, microcontroller 120 detect again feedback signal about electric current in normal range after, enable voltage provides unit 110 again.For example; The user under the situation of not cutting off the power supply, changes water again or short circuit has been got rid of in plug; When perhaps water quality changes to normal range etc., this moment microcontroller 120 detect again feedback signal about electric current in normal range after, make voltage provide unit 110 to keep opening output voltage again.
If the electric current in this circuit loop is lower than another preset value in the microcontroller 120 (second preset value) or this electric current is zero, then microcontroller 120 is exported the signal that reports an error, and makes a mistake with prompting.On the other hand; Microcontroller 120 also can be when reporting an error; Can regularly export the control of turning signal and unit 110 is provided to voltage; And the feedback voltage of the voltage control unit 110 after regularly cycle detection is opened, and upgrading the state that reports an error according to current state, also to proceed to report an error determining whether.
Voltage provides unit 110 to convert the potentiostat 110 ' that voltage provides an output voltage of unit 110 outputs into from the input voltage of power supply for future; The voltage that also can be other form provides circuit form; One of ordinary skill in the art will appreciate that it is the sustainable power unit that required voltage is provided that this voltage provides the circuit form of unit 110; As long as also promptly can continue to provide satisfies the needed voltage of the utility model, and satisfy the described condition of the utility model hereinafter and get final product.
The pilot circuit of the utility model also can comprise other circuit; Hereinafter; With voltage unit 110 being provided is the concrete structure of the various embodiment of the circuit form of the potentiostat 110 ' apparatus for eliminating sludge that further describes the utility model; What be appreciated that is that the voltage that hereinafter described structure and principle thereof can be applicable to other circuit form provides in the unit 110.
As shown in Figure 3, potentiostat 110 ' is transformed to suitable voltage Vout with the input voltage vin of power supply, and wherein the output terminal of potentiostat 110 ' is connected with the positive pole of pilot circuit 100, thereby the voltage Vout after will changing offers said metal bar 400.
Potentiostat 110 ' is the potentiostat of band software switch, and it has an Enable Pin, can receive the signal from microcontroller 120, thereby opening and shutting off by microcontroller 120 of potentiostat 110 ' controlled.
The outward current of 120 pairs of potentiostats 110 ' of microcontroller detects, and according to the detected control of outward current output wave so that potentiostat 110 ' is opened or turn-offed.
Because the difference of water quality in the water tank, the outward current of potentiostat 110 ' can change automatically.For example, when water quality was relatively poor, impurity was more in the water; The electroconductibility of water increases, and at this moment the resistance between metal bar 400 and the inner bag shell 500 is less, and the outward current of potentiostat 110 ' can increase; The scale removal ability strengthens, if but this outward current exceeds certain normal range, and promptly this outward current is higher than the higher limit of normal range; Then show water maybe be contaminated or incrustation scale very muddy too much, need change water, at this time microcontroller 120 outward current that detects potentiostat 110 ' has exceeded this normal range (promptly; Greater than first preset value of storing in the microcontroller); Will export the wave of shutoff, control the shutoff of potentiostat 110 ', also promptly turn-off potentiostat 110 '.
Another embodiment according to the utility model; Microcontroller 120 can also be in the wave that output is turn-offed; To the guard signal that outside output makes a mistake, for example, can point out water quality peculiar false alarm signal to water tank external display terminal or the output of sound and light alarm end.Type of alarm can be diversified, and one skilled in the art are appreciated that, as long as can receive this guard signal and all can be used to realize the utility model with the type of alarm that sound or image display pattern are notified.
Embodiment again according to the utility model; Positive and negative electrode in pilot circuit 100 does not connect metal bar 400, inner bag shell 500; During perhaps with their loose contact, at this time the outward current of potentiostat 110 ' be zero or can between or be zero, microcontroller 120 can detect the variation of this outward current; And export the miscue signal that does not connect load to the outside, promptly report an error.Here report an error prompting mode and above-mentioned type of alarm are similar, therefore will ignore the detailed description to it.
Here; Embodiment according to the utility model; As shown in Figure 4; Microcontroller 120 can be through resistance feedback mode the outward current of potentiostat 110 ' is detected, for example, through obtain one with potentiostat 110 ' the placed in-line resistance 130 on voltage come indirectly the outward current of potentiostat 110 ' is detected.Resistance 130 can have multiple with potentiostat 110 ' the placed in-line mode; The voltage on this resistance 130 can place between the input terminus of power supply and potentiostat 110 ' and connect, as long as can correctly reflect the outward current of potentiostat 110 ' with potentiostat 110 '.
The potentiostat 110 ' of the utility model can also be low dropout voltage regulator LDO or the common potentiostat that is circumscribed with switch, can also be three sections adjustable voltage stabilizers with soft shutoff, uses suitable potentiostat according to demand.
The microcontroller of the utility model can be a micro-chip, also can be various programmable, intelligent chips etc.
According to an embodiment of the utility model, the pilot circuit 100 of the utility model can also comprise potentiostat holding circuit 140, and is as shown in Figure 5, and this potentiostat holding circuit 140 can make potentiostat 110 ' avoid the damage that causes owing to static discharge or interference.The form of potentiostat holding circuit 140 can be diversified, if static is bigger, its circuit form can discharge static and get final product.For example, can be the circuit of LC.
Here combine accompanying drawing 6 to describe a specific embodiment of the water tank apparatus for eliminating sludge of the utility model.
Potentiostat 110 ' is the common potentiostat with soft shutoff; It has 5 ports; Wherein port one receives the input voltage from power supply; The output voltage of port 5 output after through potentiostats 110 ' conversion, wherein potentiostat 110 ' also has a port 3 and is the enable port, is used for receiving the wave from microcontroller 120.
In the present embodiment; Voltage of supply is generally the volts DS that is not more than 10V; Voltage through after potentiostat 110 ' the voltage stabilizing conversion is being about 3V; Preferably, the output area of potentiostat 110 ' is about the direct current of 0.9V to 9V in the present embodiment, and the resistance range of choice of resistance R 130 is about 1 ohm to 50 ohm.
In the present embodiment, the water tank apparatus for eliminating sludge of the utility model has also comprised the holding circuit of potentiostat 110 ', and this potentiostat 110 ' holding circuit can comprise diode 140 ' and lc circuit 150 '.Through diode 140 ' potentiostat 110 ' is protected, when switching regulator 110 ', the counter-electromotive force that inductance produces feeds back to input terminus through diode 140 ', protects potentiostat 110 ' not receive the impact of inverse electromotive force.Lc circuit 150 ' can be avoided the impacting with high pressure of static discharge to potentiostat 110 ', for example is the lc circuit that comprises L1, C2, C3 in Fig. 6.
In the present embodiment, the water tank apparatus for eliminating sludge of the utility model comprises that also the output voltage to potentiostat 110 ' carries out the secondary filtering circuit of filtering, and its circuit form also can be lc circuit.In the utility model, be that the lc circuit 150 ' that comprises L1, C2, C3 also can be used as the secondary filtering circuit among Fig. 6.
In circuit shown in Figure 7, when the water quality in the water tank was relatively poor, electric current increased, feedback voltage V
FBDiminish, microcontroller 120 detects V
FBDropped to and be lower than normal range, thought promptly that also corresponding electric current is higher than the higher limit of normal range, for example; When corresponding output current is higher than about 150mA; Then the wave of microcontroller output shutoff is given potentiostat 110 ', 110 ' the shutoff work of control potentiostat, here; Microcontroller 120 can also be given display terminal or other sound and light alarm end by output alarm signal, comes the situation to external notification water quality variation.When the circuit in the water tank apparatus for eliminating sludge did not connect, ohmically electric current was zero, feedback voltage V
FBVery big, voltage of supply no better than, then microcontroller 120 detects V
FBGreater than the upper limit of normal range, then can not connect with cue circuit to outside output error cue.
Further, when microcontroller 120 can also connect at the circuit of water tank apparatus for eliminating sludge or under the water quality situation about improving, start potentiostat 110 ' and carry out work.Certainly, the startup of potentiostat 110 ' also can automatically perform when circuit connects.Microcontroller 120 is after detecting error condition; If the positive pole of connection control circuit not, microcontroller 120 still continues to open potentiostat 110 ' when reporting an error; The timing cycle detection starts the feedback voltage behind the potentiostat 110 ', and upgrades the state that whether reports an error according to current state.When because the too poor paranormal upper limit of electric current that causes of water quality; Microcontroller 120 is after turn-offing potentiostat 110 '; Meeting time opening and cycle detection start the feedback voltage behind the potentiostat 110 ', and upgrade the state that reports an error and determine whether to enable potentiostat 110 ' according to current state.
In the preceding text with voltage provide unit 110 be potentiostat 110 ' formal description the utility model, but it will be appreciated that in the preceding text that principle that the circuit structure described with potentiostat 110 ' and microcontroller 120 are controlled potentiostats all can be applied to the voltage that comprises other form with being equal to and provide in the pilot circuit 100 of unit 110.
The utility model can also be provided with a consumption type metal rod that is different from the application's metal bar again on the anodal next door of pilot circuit; This metal bar can be for the relatively more active magnesium rod of metals ion, when pilot circuit is worked, because the metal bar among the application; For example the titanium alloy rod can produce positive ion; Can not consume the magnesium rod this moment, and the positive pole of pilot circuit plays the effect of protection inner bag when promptly switching on, and reduce or stop the consumption of magnesium rod.And pilot circuit is not when working, when promptly cutting off the power supply, and pilot circuit anodal inoperative, and more active because of its mg ion, at this moment can play the effect of protection water tank with the form that discharges naturally, thereby realize dual scale removal work water tank.
Though described the utility model with reference to several exemplary embodiments, should be appreciated that used term is explanation and exemplary and nonrestrictive term.Because the utility model practical implementation and do not break away from the spirit or the essence of utility model in a variety of forms; So be to be understood that; The foregoing description is not limited to any aforesaid details; And should in enclose spirit that claim limited and scope, explain widely, therefore fall into whole variations and remodeling in claim or its equivalent scope and all should be the claim of enclosing and contain.
Claims (12)
1. water tank apparatus for eliminating sludge; Comprise pilot circuit with anodal and negative pole and the metal bar that places in the said water tank; The positive pole of wherein said pilot circuit is connected with said metal bar; The negative pole of said pilot circuit is connected with the inner bag of said water tank, it is characterized in that, said pilot circuit comprises:
Voltage provides the unit, and its output terminal is connected with the positive pole of said pilot circuit, is used to provide a voltage to said metal bar, and said voltage provides the unit to have an enable port;
Microcontroller, it connects said voltage provides unitary enable port, and being used for provides unitary outward current to detect to said voltage, and exports wave to provide the unit to control to said voltage according to detected outward current;
2. water tank apparatus for eliminating sludge according to claim 1 is characterized in that, it is a potentiostat that said voltage provides the unit.
3. water tank apparatus for eliminating sludge according to claim 1 and 2 is characterized in that, when said microcontroller was higher than first preset value at said detected outward current, output was turn-offed wave and come to provide the unit to turn-off to said voltage.
4. water tank apparatus for eliminating sludge according to claim 3 is characterized in that, said microcontroller is providing after the unit turn-offs the guard signal that also makes a mistake to outside output to said voltage.
5. water tank apparatus for eliminating sludge according to claim 1 and 2 is characterized in that, said microcontroller is zero or the cue of breaking down to outside output during less than second preset value at detected outward current.
6. according to claim 3 or 5 described water tank apparatus for eliminating sludge, it is characterized in that said microcontroller is after fault is eliminated or changed water, output control of turning signal is to provide the unit to open again to said voltage.
7. water tank apparatus for eliminating sludge according to claim 6 is characterized in that, said microcontroller detects said voltage through the resistance feedback system unitary outward current is provided.
8. water tank apparatus for eliminating sludge according to claim 2 is characterized in that said pilot circuit also comprises the potentiostat holding circuit, is used to protect said potentiostat.
9. water tank apparatus for eliminating sludge according to claim 2 is characterized in that, said potentiostat is one of them in the three-terminal voltage regulator of low dropout voltage regulator, software switching-off.
10. according to each described water tank apparatus for eliminating sludge of claim 1-6, it is characterized in that said metal bar is the titanium alloy rod.
11., it is characterized in that said microcontroller is a micro-chip according to each described water tank apparatus for eliminating sludge of claim 1-6.
12., it is characterized in that said water tank apparatus for eliminating sludge also comprises the consumption type metal rod on the anodal next door that is arranged on said pilot circuit according to each described water tank apparatus for eliminating sludge of claim 1-6.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201120359817XU CN202246186U (en) | 2011-09-23 | 2011-09-23 | Descaling device of water tank |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201120359817XU CN202246186U (en) | 2011-09-23 | 2011-09-23 | Descaling device of water tank |
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| Publication Number | Publication Date |
|---|---|
| CN202246186U true CN202246186U (en) | 2012-05-30 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201120359817XU Expired - Lifetime CN202246186U (en) | 2011-09-23 | 2011-09-23 | Descaling device of water tank |
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| CN (1) | CN202246186U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102390884A (en) * | 2011-09-23 | 2012-03-28 | 格兰富控股联合股份公司 | Descaling device for water tank |
-
2011
- 2011-09-23 CN CN201120359817XU patent/CN202246186U/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102390884A (en) * | 2011-09-23 | 2012-03-28 | 格兰富控股联合股份公司 | Descaling device for water tank |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
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Granted publication date: 20120530 |
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| CX01 | Expiry of patent term |