CN109354113A - A kind of water purifier of band leakage mercury detection function - Google Patents
A kind of water purifier of band leakage mercury detection function Download PDFInfo
- Publication number
- CN109354113A CN109354113A CN201811365203.5A CN201811365203A CN109354113A CN 109354113 A CN109354113 A CN 109354113A CN 201811365203 A CN201811365203 A CN 201811365203A CN 109354113 A CN109354113 A CN 109354113A
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- CN
- China
- Prior art keywords
- water purifier
- water
- sterilization module
- ultraviolet
- detection function
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 135
- QSHDDOUJBYECFT-UHFFFAOYSA-N mercury Chemical compound [Hg] QSHDDOUJBYECFT-UHFFFAOYSA-N 0.000 title claims abstract description 42
- 229910052753 mercury Inorganic materials 0.000 title claims abstract description 42
- 238000001514 detection method Methods 0.000 title claims abstract description 17
- 238000004659 sterilization and disinfection Methods 0.000 claims abstract description 42
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims abstract description 41
- 239000007788 liquid Substances 0.000 claims abstract description 24
- 229910001220 stainless steel Inorganic materials 0.000 claims abstract description 19
- 239000010935 stainless steel Substances 0.000 claims abstract description 19
- 230000001954 sterilising effect Effects 0.000 claims abstract description 19
- 239000010453 quartz Substances 0.000 claims abstract description 16
- 238000000746 purification Methods 0.000 claims description 4
- 230000005611 electricity Effects 0.000 claims description 3
- 239000002351 wastewater Substances 0.000 claims description 3
- 239000011521 glass Substances 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 230000005284 excitation Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 241000894006 Bacteria Species 0.000 description 1
- 230000002159 abnormal effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000012512 characterization method Methods 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- JEGUKCSWCFPDGT-UHFFFAOYSA-N h2o hydrate Chemical compound O.O JEGUKCSWCFPDGT-UHFFFAOYSA-N 0.000 description 1
- 239000011261 inert gas Substances 0.000 description 1
- 230000000873 masking effect Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/30—Treatment of water, waste water, or sewage by irradiation
- C02F1/32—Treatment of water, waste water, or sewage by irradiation with ultraviolet light
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/001—Processes for the treatment of water whereby the filtration technique is of importance
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2103/00—Nature of the water, waste water, sewage or sludge to be treated
- C02F2103/02—Non-contaminated water, e.g. for industrial water supply
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2209/00—Controlling or monitoring parameters in water treatment
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2301/00—General aspects of water treatment
- C02F2301/08—Multistage treatments, e.g. repetition of the same process step under different conditions
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Health & Medical Sciences (AREA)
- Toxicology (AREA)
- Physical Water Treatments (AREA)
Abstract
The present invention discloses a kind of water purifier of band leakage mercury detection function, it include: water purifier master controller, water purifier executing agency and the ultraviolet-sterilization module being arranged on water purifier discharge water mouth, the ultraviolet-sterilization module includes stainless steel tube body, quartz glass tube, quartz burner and sterilization module electric component, the quartz glass tube is mounted in the stainless steel tube body, water channel is formed between the quartz glass tube and the stainless steel tube body, the ultraviolet lamp tube is arranged in the quartz glass tube, the sterilization module electric component connect with the quartz burner and controls the quartz burner work；The water purifier master controller is connect with the water purifier executing agency；It is characterized in that, the liquid sensor connecting with the water purifier main control is additionally provided in the quartz glass tube, the water purifier master controller opens or closes the water purifier executing agency according to the signal that the liquid sensor is fed back, and effectively prevent water source contaminated, improves water safety.
Description
Technical field
The present invention relates to water purification technology field more particularly to a kind of water purifiers of band leakage mercury detection function.
Background technique
Existing water purification product is the quality for ensuring pure water water outlet, simultaneously because water purifier is placed on kitchen, environment mostly
Moist dark, pollution is more serious, and inside machine and component surface is easy to produce bacterium, and there are security risks, so needing to exist
End pure water outlet increases UV sterilization module and is sterilized.
UV sterilization module is mainly by stainless steel tube body, quartz glass tube, UV ultraviolet lamp pipe, sterilization module electric component etc.
Composition is surrounded by quartz glass tube outside UV ultraviolet lamp pipe, and quartz glass tube is assembled in stainless steel tube body, and pure water source is from quartzy glass
It is flowed through with stainless steel tubular body on the surface of glass pipe；DC low-voltage is converted into exchanging by sterilization module electric component by inversion
High voltage, UV lamp pipe are passed through high-pressure gasified liquid mercury (Hg) after high pressure, and filament electronic powder discharges electron bombardment gaseous mercury, makes gaseous state
Mercury is become excitation state (inert gas works as a buffer) from stable state, and gaseous mercury (Hg) will be restored to stable state from excitation state to be discharged
Energy, that is, the ultraviolet light (wavelength is masking for 185mm, uses 253.7mm sections of wavelength) for releasing two wave bands pass through quartz
Glass tube sterilizes pure water source.
But UV ultraviolet lamp pipe is glass material, is easily broken when transporting collision or by stress, is easy after being crushed
The liquid mercury inside fluorescent tube is caused to flow in pure water source, to bring safe and healthy hidden danger.
Summary of the invention
Aiming at the problems existing in the prior art, the purpose of the present invention is to provide a kind of water purifications of band leakage mercury detection function
Device.
To achieve the above objectives, the present invention adopts the following technical scheme that.
A kind of water purifier of band leakage mercury detection function, comprising: water purifier master controller, water purifier executing agency and setting exist
Ultraviolet-sterilization module on water purifier discharge water mouth, the ultraviolet-sterilization module include stainless steel tube body, quartz glass tube, ultraviolet light
Fluorescent tube and sterilization module electric component, the quartz glass tube are mounted in the stainless steel tube body, the quartz glass tube with
Water channel is formed between the stainless steel tube body, the ultraviolet lamp tube is arranged in the quartz glass tube, the sterilization module electricity
Pneumatic module connect with the quartz burner and controls the quartz burner work；The water purifier master controller and described net
The connection of hydrophone executing agency；It connect it is characterized in that, being additionally provided in the quartz glass tube with the water purifier main control
Liquid sensor, the water purifier master controller open or close the water purifier according to the signal that the liquid sensor is fed back
Executing agency.
As a further illustration of the above scheme, the sterilization module electric component is mounted on the stainless steel tube body,
The ultraviolet-sterilization module is an entirety.
As a further illustration of the above scheme, the sterilization module be placed outside it is independently installed outside water purifier, or, described
Sterilization module is integrated in inside water purifier.
As a further illustration of the above scheme, the liquid sensor is installed on the surface, simultaneously of the quartz burner
It is connect by signal wire with the water purifier master controller, the liquid sensor predominantly detects and output switching signal, is used for
Detect whether that mercury solution body flows out, when there is leakage mercury solution body, liquid sensor the two poles of the earth conducting exports closure signal, otherwise
There is no closure signal output.
As a further illustration of the above scheme, the water purifier master controller passes through the external external power supply of power supply IC, and
It is connect by I/O mouthfuls with the water purifier executing agency.
As a further illustration of the above scheme, the water purifier executing agency includes booster pump, inlet water solenoid valve and gives up
Water solenoid valve.
As a further illustration of the above scheme, the water purifier includes four filter cores being sequentially connected in series, the water inlet electricity
Magnet valve is arranged between the first filter core and the second filter core, and the booster pump is arranged between the second filter core and third filter core, described
Ultraviolet-sterilization module is connected on the water outlet of the 4th filter core.
As a further illustration of the above scheme, display module is connected on the water purifier master controller, when described
When leakage mercury occurs in ultraviolet-sterilization module, display module display leakage mercury failure described in the water purifier main controller controls is accordingly believed
Breath.
As a further illustration of the above scheme, alarm module is connected on the water purifier master controller, when described
When leakage mercury occurs in ultraviolet-sterilization module, alarm module described in the water purifier main controller controls issues alarm signal.
The beneficial effects of the present invention are:
One, pass through setting liquid sensor, when leakage mercury solution body occurs in the quartz burner of ultraviolet-sterilization inside modules, liquid
The conducting of body sensor the two poles of the earth simultaneously sends closure signal to water purifier master controller, after water purifier master controller receives closure signal
Under send instructions water purifier executing agency made to stop working, prevent mercury solution from flowing out to and pollute pure water in pure water source, effectively prevent pure water
Source is contaminated, improves the safety that user uses pure water.
Two, ultraviolet-sterilization module is one individually whole, and hardware facility is few, portable high；In use, both can be in net
It is separately installed outside hydrophone, it can also be built in water purifier, device is easy to accomplish, at low cost, remarkable benefit.
Detailed description of the invention
Fig. 1 show water purifier structure schematic diagram provided by the invention.
Fig. 2 show water purifier control block diagram provided by the invention.
Fig. 3 show water purifier leakage mercury overhaul flow chart provided by the invention.
Description of symbols:
1: water purifier master controller, 2: water purifier executing agency, 3: ultraviolet-sterilization module, 4: the first filter cores, 5: the second filters
Core, 6: third filter core, 7: the four filter cores.
2-1: booster pump, 2-2: inlet water solenoid valve, 2-3: waste water solenoid valve.
3-1: stainless steel tube body, 3-2: quartz glass tube, 3-3: quartz burner, 3-4: liquid sensor.
Specific embodiment
In the description of the present invention, it should be noted that " transverse direction ", " vertical if any term " center " for the noun of locality
To ", " length ", " width ", " thickness ", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top",
The indicating positions such as "bottom", "inner", "outside", " clockwise ", " counterclockwise " and positional relationship are orientation based on the figure or position
Relationship is set, the narration present invention is merely for convenience of and simplifies description, rather than the device or element of indication or suggestion meaning are necessary
It constructs and operates with specific orientation, with particular orientation, should not be understood as limiting specific protection scope of the invention.
In addition, being used for description purposes only if any term " first ", " second ", it is not understood to indicate or imply relatively heavy
The property wanted or the quantity for implicitly indicating technical characteristic." first " is defined as a result, " second " feature can be expressed or implicit include
One or more this feature, in the present description, " at least " are meant that one or more, unless otherwise clearly having
The restriction of body.
In the present invention, except as otherwise clear stipulaties and restriction, should make if any term " assembling ", " connected ", " connection " term
Broad sense goes to understand, for example, it may be being fixedly connected, may be a detachable connection, or be integrally connected；It is also possible to mechanical connect
It connects；It can be directly connected, be also possible to be connected by intermediary, can be and be connected inside two elements.For ability
For the those of ordinary skill of domain, the concrete meaning of above-mentioned term in the present invention can be understood as the case may be.
In invention, unless otherwise specified and limited, fisrt feature second feature "upper" or "lower" may include
First and second features directly contact, also may include fisrt feature and second feature be not direct contact but by them it
Between other characterisation contact.Moreover, fisrt feature second feature " on ", " under " and " above " include fisrt feature
Right above two features and oblique upper, or be only to indicate that first feature horizontal height is higher than the height of second feature.Fisrt feature
Second feature " on ", " under " and " below " include that fisrt feature is directly under or diagonally below the second feature, or only table
Show first feature horizontal height lower than second feature.
Below with reference to the attached drawing of specification, a specific embodiment of the invention is further described, is made of the invention
Technical solution and its benefits are clearer.It describes embodiment below with reference to attached drawing to be exemplary, it is intended to solve
The present invention is released, and is not considered as limiting the invention.
As shown in Figure 1 and Figure 2, a kind of water purifier of band leakage mercury detection function, comprising: water purifier master controller 1, water purifier
Executing agency 2 and the ultraviolet-sterilization module 3 being arranged on water purifier discharge water mouth, the ultraviolet-sterilization module 3 include stainless steel tube
Body 3-1, quartz glass tube 3-2, quartz burner 3-3 and sterilization module electric component, the quartz glass tube 3-2 are mounted on institute
It states in stainless steel tube body 3-1, forms water channel, the ultraviolet lamp between the quartz glass tube 3-2 and the stainless steel tube body 3-1
Pipe 3-3 is arranged in the quartz glass tube 3-2, and the sterilization module electric component is connect simultaneously with the quartz burner 3-3
Control the quartz burner 3-3 work；It is characterized in that, being additionally provided in the quartz glass tube 3-2 and the water purifier
The liquid sensor 3-4 that master controller 1 connects, the letter that the water purifier master controller 1 is fed back according to the liquid sensor 3-4
Number control water purifier executing agency 2 acts.
Wherein, the sterilization module electric component is mounted on the stainless steel tube body 3-1, makes entire ultraviolet-sterilization module 3
It is independently installed external to water purifier body exterior for an entirety, it can also be integrated in water purifier body interior.
The liquid sensor 3-4 is predominantly detected and output switching signal, is installed on the surface quartz burner 3-3, passes through
Signal wire is connect with water purifier master controller 1, for detecting whether have the outflow of mercury solution body, when there is leakage mercury solution body, liquid sensing
The conducting of the two poles of the earth device 3-4, exports closure signal, otherwise exports without closure signal.
The water purifier master controller 1 is mainly used for controlling the working condition of all electrical components of water purifier, water purifier
The external external power supply of master controller 1 is converted to low-voltage by power supply IC, and I/O mouthfuls of control driving parts of main control chip play on or off
Close water purifier executing agency 2.
The water purifier executing agency 2 mainly includes booster pump 2-1, inlet water solenoid valve 2-2, waste water solenoid valve 2-3, high pressure
Each executing agency of switch, water level switch, TDS sensor, display module etc., water purifier passes through internal connection line and water purifier
Master controller 1 realizes communication, and water purifier executing agency 2 executes the signal instruction of water purifier master controller 1.
In the present embodiment, the preferably described water purifier includes four filter cores being sequentially connected in series, the inlet water solenoid valve 2-2 setting
Between the first filter core 4 and the second filter core 5, the booster pump 2-1 is arranged between the second filter core 5 and third filter core 6, described useless
Water solenoid valve 2-3 is connected on third filter core 6, and the ultraviolet-sterilization module 3 is connected on the water outlet of the 4th filter core 7；With true
Protect water inlet effect.
As shown in figure 3, when leakage mercury solution body occurs in the quartz burner 3-3 inside ultraviolet-sterilization module 3, liquid sensor
The conducting of the two poles of the earth 3-4 simultaneously sends closure signal to water purifier master controller 1, under water purifier master controller 1 receives after closure signal
Sending instructions makes water purifier executing agency 2 stop working, and prevents mercury solution from flowing out to and pollutes pure water in pure water source, while water purifier master control
The triggering of device 1 leakage mercury alarm signal processed, display screen display leakage mercury failure corresponding information.
When ultraviolet-sterilization module does not occur leaking mercury solution body, liquid sensor the two poles of the earth are not turned on, and water purifier master controller 1 does not have
Closure signal is received, water purifier ontology works normally.
A kind of water purifier of band leakage mercury detection function provided in this embodiment, is related to a kind of logical signal judgement of right and wrong
And the control system of relevant action is executed by signal determining.Identification signal and control are mainly carried out by water purifier master controller
The execution of movement, it is ensured that water purifier can trigger warning reminding user in abnormal cases, be simultaneously stopped the work of water purifier, really
Warranty family will not influence health because pure water is contaminated using when pure water；While liquid sensor real-time monitoring water purifier
Working condition, when not occurring leakage failure, it is ensured that water purifier can work normally.
From the foregoing description of structures and principles it should be understood by those skilled in the art that, the present invention not office
It is limited to above-mentioned specific embodiment, this hair is all fallen within using the improvement of techniques well known and substitution on the basis of the present invention
Bright protection scope, protection scope of the present invention should limit it by each claim and its equivalent.In specific embodiment
The part not illustrated is the prior art or common knowledge.
Claims (9)
1. a kind of water purifier of band leakage mercury detection function, comprising: water purifier master controller, water purifier executing agency and setting are net
Ultraviolet-sterilization module on hydrophone water outlet, the ultraviolet-sterilization module include stainless steel tube body, quartz glass tube, ultraviolet radiator
Pipe and sterilization module electric component, the quartz glass tube are mounted in the stainless steel tube body, the quartz glass tube and institute
It states and forms water channel between stainless steel tube body, the ultraviolet lamp tube is arranged in the quartz glass tube, and the sterilization module is electrical
Component connect with the quartz burner and controls the quartz burner work；The water purifier master controller and the water purification
The connection of device executing agency；It is characterized in that, being additionally provided with the liquid connecting with the water purifier main control in the quartz glass tube
Body sensor, the water purifier master controller open or close the water purifier according to the signal that the liquid sensor is fed back and hold
Row mechanism.
2. a kind of water purifier of band leakage mercury detection function according to claim 1, which is characterized in that the sterilization module electricity
Pneumatic module is mounted on the stainless steel tube body, and the ultraviolet-sterilization module is an entirety.
3. a kind of water purifier of band leakage mercury detection function according to claim 2, which is characterized in that outside the sterilization module
It is independently installed to be placed in water purifier outside, or, the sterilization module is integrated in inside water purifier.
4. a kind of water purifier of band leakage mercury detection function according to claim 1, which is characterized in that the liquid sensor
It is installed on the surface of the quartz burner and is connect by signal wire with the water purifier master controller, the liquid sensing
Device predominantly detects and output switching signal, for detecting whether have the outflow of mercury solution body, when there is leakage mercury solution body, the liquid sensing
The conducting of device the two poles of the earth, exports closure signal, otherwise exports without closure signal.
5. a kind of water purifier of band leakage mercury detection function according to claim 1, which is characterized in that the water purifier master control
Device processed is connect by I/O mouthfuls with the water purifier executing agency by the external external power supply of power supply IC.
6. a kind of water purifier of band leakage mercury detection function according to claim 1, which is characterized in that the water purifier executes
Mechanism includes booster pump, inlet water solenoid valve and waste water solenoid valve.
7. a kind of water purifier of band leakage mercury detection function according to claim 6, which is characterized in that the water purifier includes
Four filter cores being sequentially connected in series, the inlet water solenoid valve are arranged between the first filter core and the second filter core, the booster pump setting
Between the second filter core and third filter core, the ultraviolet-sterilization module is connected on the water outlet of the 4th filter core.
8. a kind of water purifier of band leakage mercury detection function according to claim 1, which is characterized in that in the water purifier master
Display module is connected on controller, when there is leakage mercury in the ultraviolet-sterilization module, the water purifier main controller controls institute
State display module display leakage mercury failure corresponding information.
9. a kind of water purifier of band leakage mercury detection function according to claim 1, which is characterized in that in the water purifier master
Alarm module is connected on controller, when there is leakage mercury in the ultraviolet-sterilization module, the water purifier main controller controls institute
It states alarm module and issues alarm signal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811365203.5A CN109354113A (en) | 2018-11-16 | 2018-11-16 | A kind of water purifier of band leakage mercury detection function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811365203.5A CN109354113A (en) | 2018-11-16 | 2018-11-16 | A kind of water purifier of band leakage mercury detection function |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109354113A true CN109354113A (en) | 2019-02-19 |
Family
ID=65345446
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811365203.5A Pending CN109354113A (en) | 2018-11-16 | 2018-11-16 | A kind of water purifier of band leakage mercury detection function |
Country Status (1)
| Country | Link |
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Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20010040122A1 (en) * | 1999-10-15 | 2001-11-15 | Ronald Barnes | Assembly for purifying water |
| US20020024278A1 (en) * | 2000-03-14 | 2002-02-28 | Ryoutarou Matsuda | Ultraviolet ray lamp and sterilizers and cleaners using the lamp |
| JP2011078979A (en) * | 2011-01-11 | 2011-04-21 | Hitachi Ltd | Ultraviolet water treatment apparatus and monitoring and controlling system thereof |
| KR20120082757A (en) * | 2011-01-14 | 2012-07-24 | 엘지전자 주식회사 | A water purifier with sterilization |
| KR20120082756A (en) * | 2011-01-14 | 2012-07-24 | 엘지전자 주식회사 | A water purifier with sterilization |
| JP2012223736A (en) * | 2011-04-22 | 2012-11-15 | Stanley Electric Co Ltd | Apparatus for purification treatment of liquid |
| CN209507663U (en) * | 2018-11-16 | 2019-10-18 | 广东万家乐燃气具有限公司 | A kind of water purifier of band leakage mercury detection function |
-
2018
- 2018-11-16 CN CN201811365203.5A patent/CN109354113A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20010040122A1 (en) * | 1999-10-15 | 2001-11-15 | Ronald Barnes | Assembly for purifying water |
| US20020024278A1 (en) * | 2000-03-14 | 2002-02-28 | Ryoutarou Matsuda | Ultraviolet ray lamp and sterilizers and cleaners using the lamp |
| JP2011078979A (en) * | 2011-01-11 | 2011-04-21 | Hitachi Ltd | Ultraviolet water treatment apparatus and monitoring and controlling system thereof |
| KR20120082757A (en) * | 2011-01-14 | 2012-07-24 | 엘지전자 주식회사 | A water purifier with sterilization |
| KR20120082756A (en) * | 2011-01-14 | 2012-07-24 | 엘지전자 주식회사 | A water purifier with sterilization |
| JP2012223736A (en) * | 2011-04-22 | 2012-11-15 | Stanley Electric Co Ltd | Apparatus for purification treatment of liquid |
| CN209507663U (en) * | 2018-11-16 | 2019-10-18 | 广东万家乐燃气具有限公司 | A kind of water purifier of band leakage mercury detection function |
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