CN202017051U - Device for detecting and indicating anode loss of water heater - Google Patents
Device for detecting and indicating anode loss of water heater Download PDFInfo
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- CN202017051U CN202017051U CN2011200206152U CN201120020615U CN202017051U CN 202017051 U CN202017051 U CN 202017051U CN 2011200206152 U CN2011200206152 U CN 2011200206152U CN 201120020615 U CN201120020615 U CN 201120020615U CN 202017051 U CN202017051 U CN 202017051U
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Abstract
The utility model discloses a device for detecting and indicating the anode loss of a water heater, which comprises a signal acquisition unit which is used for acquiring the differential pressure of an anode bar and a cathode bar in a water tank of the water heater and transmitting a differential pressure signal, a signal processing unit which is connected with the differential pressure signal, and is used for reducing and amplifying the differential pressure signal, a signal comparision unit which is connected with the signal processing unit, and is used for sampling the amplified differential pressure signal, comparing the differential pressure signal and a standard value and transmitting a loss signal to a signal display unit, and the signal display unit which is used for displaying the loss signal. The utility model provides the device for detecting and indicating the anode loss of the water heater, which can effectively detect the anode loss at different stages, so that people can quickly distinguish the loss condition of the anode, and then quickly response to the anode loss. The device disclosed by the utility model is convenient and reliable, and realizes low cost.
Description
Technical field
The utility model relates to electronic applications, relates in particular to a kind of water-heater anode loss and detects and indicating unit.
Background technology
At present, the water tank of steel water-heater (comprising enamel inner container) because of the corrosion that the oxygen problem causes steel that contains of water quality, leaks and cause easily.The magnesium rod is water tank anticorrosion parts commonly used, and the principle of work of magnesium rod is a sacrificial protection.Magnesium is an active metal, and it can react with the oxygen in the water in water, and oxygen consumption is fallen.Magnesium is more active than steel, and after it reacted with oxygen earlier, oxygen just can not react with steel.Because active,, need just change every one period so consume also soon.As untimely replacing, there has not been anodic protection, water tank still can be corroded; If change too early, can waste the magnesium rod, cause damage.So need a kind of device of monitoring anode loss degree and indication replacing.
Anode consumption indication product often utilizes the potential difference when constituting the loop between magnesium rod and the inner bag, drives a photodiode by amplifying circuit, has reminded the loss of user's anode, needs to change.But inner bag mainly is an iron and steel to be made, and the electroconductibility of iron is bad, is not easy to measure potential difference, can not reaction water in what (are magnesium rod residue what) of magnesium ion.The water heater liner that this product is made weakly conducting materials such as enamel inner containers, effect is just more bad, can not become the loop, thus the potential difference of detecting.
The utility model content
The water-heater anode loss that the technical problem that the utility model mainly solves detects different steps anode loss situation with providing a kind of efficiency detects and indicating unit.
For solving the problems of the technologies described above, the utility model adopts first technical scheme to be: provide a kind of water-heater anode loss to detect and indicating unit, comprise: signal gathering unit: be used for gathering pressure reduction between the water tank anode bar of described water-heater and cathode bar, and the output pressure difference signal; Signal processing unit: link to each other with described signal gathering unit, be used to reduce described pressure difference signal loss and amplification; The signal comparing unit: link to each other with described signal processing unit, the pressure difference signal of the described amplification that is used to sample and with standard value relatively, the output loss signal is to signal display unit; Signal display unit: link to each other with described signal comparing unit, be used to show described loss signal data value.
Wherein, in water-heater anode loss detection of the present utility model and indicating unit, described anode bar is the magnesium rod.
Wherein, in water-heater anode loss detection of the present utility model and indicating unit, described cathode bar is a copper electrode.
Wherein, in water-heater anode loss detection of the present utility model and indicating unit, described signal processing unit comprises: thermistor, current-limiting resistance, amplifier, high resistance input matched resistance.
Wherein, water-heater anode loss of the present utility model detect with indicating unit in, described signal display unit shows three kinds of states, specifically: loss is few, in the loss, need to change.
Wherein, in water-heater anode loss detection of the present utility model and indicating unit, described copper electrode comprises: copper post, silicon rubber cylinder, nut.
For solving the problems of the technologies described above, the utility model adopts second technical scheme to be: a kind of water-heater is provided, and wherein, anode loss detects with indicating unit and detects and indicating unit for the anode loss described in power first technical scheme.
The beneficial effects of the utility model are: the water-heater anode loss that is different from prior art detects with indicating unit can not correctly in time feed back the anode consumption situation, the utility model provides a kind of water-heater anode loss to detect and indicating unit, effectively detect the loss of different steps anodic, make people can distinguish anodic loss situation rapidly, thereby make quick response, convenient and reliable, realize that cost is low.
Description of drawings
Fig. 1 is that the utility model first embodiment water-heater anode loss detects and indicating unit construction module figure;
Fig. 2 is that the utility model second embodiment water-heater anode loss detects and the indicating unit schematic circuit.
Embodiment
By describing technology contents of the present utility model, structural attitude in detail, realized purpose and effect, give explanation below in conjunction with embodiment and conjunction with figs. are detailed.
In band anode bar water tank, from the copper electrode of a tape insulation lead of water outlet of water tank placement, under the sufficient situation of magnesium powder, competent magnesium ion is arranged in the water, potential difference reaches more than the 1.2V between magnesium rod and the copper electrode; When the loss of magnesium rod was serious, potential difference was below 0.6V.Because of north, accurately detect the potential difference between magnesium rod and the copper electrode, can know anodic loss situation.
See also Fig. 1 and Fig. 2, in first embodiment of the present utility model, water-heater anode loss of the present utility model detects and indicating unit, comprising: signal gathering unit 10, signal processing unit 20, signal comparing unit 30, signal display unit 40.
Wherein, signal gathering unit 10: be used for gathering pressure reduction between the water tank anode bar of described water-heater and cathode bar, and the output pressure difference signal.Can specifically realize by following manner: the pressure difference signal between the anode detection line of magnesium rod (anode bar) and copper electrode (cathode bar) detection line is introduced water-heater anode loss of the present utility model by two core sockets and is detected and indicating unit.Wherein, copper electrode for the specific implementation formula is: change raw water box top water outlet into T type pipe, an end still is a water outlet, and the other end is put the detection copper electrode, copper electrode from this mouthful reach the water tank detect and the magnesium rod between current potential.After water outlet changed T type pipe into, the port of putting copper electrode must have intact stopping property, and anti-sealing leaks from here.Therefore, copper electrode comprises with lower member: the copper post, borehole links to each other with lead in the middle of the processing of one end, its joint and wire sleeve all need waterproof, with hexagonal (hexagon)nut and silicon rubber cylinder and sealed copper annulus reinforcing copper post, top, copper post center embeds double-screw bolt, central lower embeds the lead that links to each other with the copper post, lead links to each other in the silicon rubber cylinder with double-screw bolt, silicon rubber circle glue post needs the die sinking encapsulating, lead and double-screw bolt put well before the encapsulating and form an integral body, the double-screw bolt of rubber top, osmanthus is twisted two nuts, together introduces signal processing unit 20 behind clamping anode detection line and the cathode bar negative pole detection line between nut.Wherein, cathode bar negative pole detection line should insert the positive pole of signal processing unit 20, and the anode detection line should insert the negative pole of signal processing unit 20.
Signal processing unit 20: link to each other with described signal gathering unit 10, be used to reduce described pressure difference signal loss and amplification; Can specifically realize by following manner: pressure difference signal is through thermistor R1; current-limiting resistance R2 and resistance R 3 input to amplifier F; thermistor R1 shields; it is big that circuit rigidly connects when logical resistance; 3 metering functions of current-limiting resistance R2 and resistance R; generate heat after operation for some time, resistance decreasing reduces loss of signal.Resistance R 4,5 high resistance matching effects of resistance R, capacitor C strobes, and pressure difference signal is through high resistance input coupling, and amplifier F amplifies 3 times with pressure reduction; Amplifying signal before the entering signal comparing unit 30, adds the anti-thunderbolt of Zener diode D2 pressure limiting and transient absorption pipe D1.
Signal comparing unit 30: link to each other with described signal processing unit 20, the pressure difference signal of the described amplification that is used to sample and with standard value relatively, the output loss signal is to signal display unit 40.Specifically: this pressure difference signal is through 30 samplings of signal comparing unit, advance [row A/D conversion, numerical value and the standard value of sampling compare, with comparative result be divided into that loss is few, in the loss, need three kinds of different states of replacing (or more M-ARY) to export signal display unit 40. to
Signal display unit 40: link to each other with described signal comparing unit 30, be used to show described loss signal data value.
Specifically: loss is few, in the loss, need to change three kinds of different states (or more M-ARY), chip output control three-color LED allows the user can see the anode loss situation intuitively.
The utility model also provides a kind of water-heater, and its anode loss detects with indicating unit has embodiment one described anode loss detection and indicating unit.
The utility model water-heater anode loss detects and indicating unit, effectively detects different steps anodic loss situation, makes people can distinguish anodic loss situation rapidly, thereby makes quick response, and is convenient and reliable, realizes that cost is low.
The above only is embodiment of the present utility model; be not so limit claim of the present utility model; every equivalent structure that utilizes the utility model specification sheets and accompanying drawing content to be done; or directly or indirectly be used in other relevant technical fields, all in like manner be included in the scope of patent protection of the present utility model.
Claims (6)
1. a water-heater anode loss detects and indicating unit, it is characterized in that, comprising:
Signal gathering unit: be used for gathering pressure reduction between the water tank anode bar of described water-heater and cathode bar, and the output pressure difference signal;
Signal processing unit: link to each other with described signal gathering unit, be used to reduce described pressure difference signal loss and amplify described pressure difference signal;
The signal comparing unit: link to each other with described signal processing unit, the pressure difference signal of the described amplification that is used to sample and with standard value relatively, the output loss signal is to signal display unit;
Signal display unit: link to each other with described signal comparing unit, be used to show described loss signal data value.
2. water-heater anode loss as claimed in claim 1 detects and indicating unit, it is characterized in that described anode bar is the magnesium rod.
3. water-heater anode loss as claimed in claim 1 detects and indicating unit, it is characterized in that described cathode bar is a copper electrode.
4. water-heater anode loss as claimed in claim 1 detects and indicating unit, it is characterized in that described signal processing unit comprises: thermistor, current-limiting resistance, amplifier, high resistance input matched resistance.
5. water-heater anode loss as claimed in claim 1 detects and indicating unit, it is characterized in that, described signal display unit shows three kinds of states, specifically: loss is few, in the loss, need to change.
6. water-heater anode loss as claimed in claim 3 detects and indicating unit, it is characterized in that described copper electrode comprises: copper post, silicon rubber cylinder, nut.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011200206152U CN202017051U (en) | 2011-01-21 | 2011-01-21 | Device for detecting and indicating anode loss of water heater |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011200206152U CN202017051U (en) | 2011-01-21 | 2011-01-21 | Device for detecting and indicating anode loss of water heater |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202017051U true CN202017051U (en) | 2011-10-26 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011200206152U Expired - Fee Related CN202017051U (en) | 2011-01-21 | 2011-01-21 | Device for detecting and indicating anode loss of water heater |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202017051U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104152914A (en) * | 2013-05-14 | 2014-11-19 | 青岛经济技术开发区海尔热水器有限公司 | Anode bar consumption detection prompting device, anode bar consumption detection prompting method and water heater |
| CN104451700A (en) * | 2014-05-07 | 2015-03-25 | 潘力军 | Device for retarding corrosion rate of copper inner container of water dispenser |
-
2011
- 2011-01-21 CN CN2011200206152U patent/CN202017051U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104152914A (en) * | 2013-05-14 | 2014-11-19 | 青岛经济技术开发区海尔热水器有限公司 | Anode bar consumption detection prompting device, anode bar consumption detection prompting method and water heater |
| CN104451700A (en) * | 2014-05-07 | 2015-03-25 | 潘力军 | Device for retarding corrosion rate of copper inner container of water dispenser |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20111026 Termination date: 20140121 |