Background technology
Along with growth in the living standard, people more and more focus on health problem, whether household electrical appliances become with antibacterial bacteriostatic function the standard that a kind of user selects gradually, simultaneously, antibacterial, the degerming of the GB/T21551 family expenses that national technical quality supervision and inspection quarantine general bureau in 2008 promulgates and similar applications electrical equipment, the series standard of purification function, whether household electrical appliances become a kind of national standard with antibacterial bacteriostatic function.Therefore the household electrical appliances of antibacterial bacteriostatic function will be selected by increasing consumer, and will become a kind of trend of following household electrical appliances development.
Ultraviolet ray belongs to the one of physics optics, have very strong physical sterilization characteristic, well-known, the ultraviolet highest peak of absorption of DNA (DNA), ribonucleic acid (RNA) and nucleoprotein in bacterium is at 254~257nm, bacterium absorbs after ultraviolet ray, cause the fracture of DNA chain, cause the crosslinked of nucleic acid and albumen to break, kill the biologically active of nucleic acid, cause bacterium death, therefore, utilize ultraviolet sterilization quick and convenient, and without physical contact non-secondary pollution.At present, ultraviolet ray be often used to carry out that water source sterilization, production equipment sterilization, fixed space are exterminated, sterilization of medical instruments etc.
Existing water heater (for example, gas heater, instant electric water heater and storage-type electric water heater etc.), mostly be not provided with relevant sterilizing unit, do not possess sterilizing function, facts have proved, only can not effectively stop bacterium and virus to be grown in water heater inside by the heater of water heater, especially after water heater is idle for a long time, reuse, there are a large amount of bacteriums because water heater inside grows, thereby the healthy of user damaged.And for the water heater that ultraviolet sterilization apparatus is installed extremely individually, because the disinfection structure of these ultraviolet sterilization apparatus is single, current are by the speed of ultraviolet sterilization chamber, it is short that current are subject to the time of ultraviolet ray irradiation, the bacterium of failing in effective killing water, sterilization, fungistatic effect are poor, are difficult to meet the requirement of high-quality water.
Foregoing is only understood the technical solution of the utility model for auxiliary, does not represent and admits that foregoing is prior art.
Utility model content
Main purpose of the present utility model is to provide a kind of water heater, is intended to bath water to carry out high-intensity ultraviolet sterilization, to avoid unclean water to damage human body.
For achieving the above object, the utility model provides a kind of water heater, comprise water inlet pipe and outlet pipe, described water inlet pipe and/or outlet pipe are provided with ultraviolet sterilization apparatus, described ultraviolet sterilization apparatus comprise multiple illumination sterilization chambers that are arranged in parallel and with each illumination sterilization chamber ultraviolet lamp one to one, described illumination sterilization chamber is provided with flow inlet and the water export for current circulation, described flow inlet is communicated to a separating tube, described water export is communicated to a collector tube, described water export is also provided with magnetic valve, described ultraviolet lamp is arranged on inside or the outside of described illumination sterilization chamber, this water heater also comprises the ultraviolet sterilization control circuit being electrically connected with described ultraviolet lamp and magnetic valve respectively.
Preferably, described ultraviolet lamp is arranged on the inside of described illumination sterilization chamber, and the inside of described illumination sterilization chamber is provided with transparent and is suitable for the accommodating cavity of accommodating described ultraviolet lamp.
Preferably, described ultraviolet lamp is arranged on the outside of described illumination sterilization chamber, and the described illumination sterilization chamber locular wall corresponding with described ultraviolet lamp is made up of transparent material.
Preferably, the waterway structure of described illumination sterilization chamber chamber interior is roundabout shape.
Preferably, the disposed outside of described illumination sterilization chamber has multiple ultraviolet lamps, and the described illumination sterilization chamber locular wall corresponding with described ultraviolet lamp is made up of transparent material, or described illumination sterilization chamber is made up of transparent material.
Preferably, the internal face of described illumination sterilization chamber is provided with reflector layer, or described illumination sterilization chamber is made up of transparent material, and its outside wall surface is provided with reflector layer.
Preferably, described reflector layer is made up of hydronalium.
Preferably, the inside of described separating tube and/or collector tube or outer setting have the ultraviolet lamp being electrically connected with described ultraviolet sterilization control circuit.
Preferably, this water heater also comprises and is arranged on the water flow sensor being electrically connected on described water inlet pipe or outlet pipe and with described ultraviolet sterilization control circuit, the corresponding intensity of illumination of controlling described ultraviolet lamp of discharge size that described ultraviolet sterilization control circuit is measured according to described water flow sensor.
Preferably, this water heater also comprises the water quality detecting device being arranged on described water inlet pipe or outlet pipe, described water quality detecting device comprises water sample acquiring unit and analysis determination unit, and described water sample acquiring unit is communicated with described water inlet pipe or outlet pipe, for obtaining the water sample of current; Described analysis determination unit is electrically connected with described ultraviolet sterilization control circuit, for measuring the water quality condition of current, and to described ultraviolet sterilization control circuit feedback water quality information, described ultraviolet sterilization control circuit is according to the corresponding intensity of illumination of controlling described ultraviolet lamp of the water quality information receiving.
A kind of water heater provided by the utility model, on its water inlet pipe and/or outlet pipe, be provided with ultraviolet sterilization apparatus, and this ultraviolet sterilization apparatus has multiple illumination sterilization chambers that are arranged in parallel, the current break-make of each illumination sterilization chamber is subject to independent control, therefore can supply water alternately to the water inlet pipe and/or the outlet pipe that are communicated with by controlled light sterilization chamber, thereby the ultraviolet irradiation time of prolonging light sterilization chamber, improve bactericidal effect, avoided unclean water to damage human body.
Detailed description of the invention
Should be appreciated that specific embodiment described herein is only in order to explain the utility model, and be not used in restriction the utility model.
The utility model provides a kind of water heater, referring to Fig. 1, Fig. 2 and Fig. 3, in one embodiment, this water heater is gas heater, it comprises burner 12, and be the air inlet pipeline 13 of burner 12 for fuel gas, with the heat exchanger 10 of water inlet pipe 14 and outlet pipe 15, and be the smoke pipe 11 of burner 12 and heat exchanger 10 discharging waste gas.Described burner 12 is for heat exchanger 10 is heated, and heat exchanger 10, for the current of heat exchanger 10 pipelines of flowing through are carried out to heat exchange processing, heats current thereby realize.Carry out sterilizing in order to realize the hot water that cold water that water inlet pipe 14 is flow to or outlet pipe 15 flow out, in the present embodiment, this gas heater is provided with corresponding ultraviolet sterilization apparatus 20.
Particularly, referring to Fig. 1, in the first embodiment of this gas heater, ultraviolet sterilization apparatus 20 is arranged on water inlet pipe 14; Referring to Fig. 2, in the second embodiment of this gas heater, ultraviolet sterilization apparatus 20 is arranged on outlet pipe 15; Referring to Fig. 3, in the 3rd embodiment of this gas heater, be provided with two cover ultraviolet sterilization apparatus 20, wherein a set of ultraviolet sterilization apparatus 20 is arranged on water inlet pipe 14, and another set of ultraviolet sterilization apparatus 20 is arranged on outlet pipe 15.
In the present embodiment, ultraviolet sterilization apparatus 20 (is for example arranged on ad-hoc location on water inlet pipe 14 and outlet pipe 15, water inlet pipe 14 and outlet pipe 15 are positioned at any suitable position of shell 16 inside, or, water inlet pipe 14 and outlet pipe 15 are positioned at any suitable position of shell 16 outsides), referring to Fig. 4 and Fig. 5, the utility model is arranged on water inlet pipe 14 as example describes taking ultraviolet sterilization apparatus 20.The time that irradiated by ultraviolet ray in order to extend current, to improve the bactericidal effect of ultraviolet sterilization apparatus 20, this ultraviolet sterilization apparatus 20 comprise multiple illumination sterilization chambers 21 that are arranged in parallel and with each illumination sterilization chamber 21 ultraviolet lamp 22 one to one, ultraviolet lamp 22 is arranged on inside or the outside of illumination sterilization chamber 21.Wherein, illumination sterilization chamber 21 is provided with flow inlet 210 and the water export 211 for current circulation, flow inlet 210 is communicated to a separating tube 24, water export 211 is communicated to a collector tube 25, and connect with the water route that flows to gas heater by water inlet pipe 14 in the sterilization water route of ultraviolet sterilization apparatus 20 inside, or connect with the water route that outlet pipe 15 flows out gas heater in the sterilization water route of ultraviolet sterilization apparatus 20 inside.Separating tube 24 offers respectively liquid separating port and the liquid collection opening identical with illumination sterilization chamber 21 quantity with collector tube 25, flow inlet 210 liquid separating port corresponding with separating tube 24 of illumination sterilization chamber 21 passes through pipeline communication, and water export 211 liquid collection opening corresponding with collector tube 25 of illumination sterilization chamber 21 passes through pipeline communication.In addition, each water export 211 is also provided with magnetic valve 23, for the break-make of the independent water export 211 of controlling each illumination sterilization chamber 21.This gas heater also comprises the ultraviolet sterilization control circuit 30 being electrically connected with ultraviolet lamp 21 and magnetic valve 23 respectively, and this ultraviolet sterilization control circuit 30 is opened the magnetic valve 23 of each illumination sterilization chamber 21 correspondence according to default sequential circulation.
For example, in a preferred embodiment, ultraviolet sterilization apparatus 20 comprises two illumination sterilization chambers 21 that are arranged in parallel, and one of them illumination sterilization chamber 21 of mark is the first illumination sterilization chamber, the magnetic valve 23 corresponding with the first illumination sterilization chamber is the first magnetic valve, another illumination sterilization chamber 21 of mark is the second illumination sterilization chamber, and the magnetic valve 23 corresponding with the second illumination sterilization chamber is the second magnetic valve.In the time that user uses gas heater, ultraviolet sterilization control circuit 30 is controlled the first illumination sterilization chamber and is opened with the corresponding ultraviolet lamp 22 of the second illumination sterilization chamber, controls the first magnetic valve and the second magnetic valve simultaneously and alternately opens.For example, when the indoor water through ultraviolet sterilization of the first illumination sterilization chamber is when drained, open the second magnetic valve, close the first magnetic valve, so that indoor the second illumination sterilization chamber water through ultraviolet sterilization is discharged simultaneously; When the indoor water through ultraviolet sterilization of the second illumination sterilization chamber is when drained, open the first magnetic valve, close the second magnetic valve, so that indoor the first illumination sterilization chamber water through ultraviolet sterilization is discharged, by that analogy simultaneously.Or, for example, when the indoor water of the first illumination sterilization chamber is subject to time that ultraviolet ray irradiates while reaching Preset Time (, 10 seconds), open the first magnetic valve, close the second magnetic valve, so that indoor the first illumination sterilization chamber water through ultraviolet sterilization is discharged simultaneously; The time that is subject to ultraviolet ray irradiation when the indoor water of the second illumination sterilization chamber (for example reaches Preset Time, 10 seconds) time, open the second magnetic valve, close the first magnetic valve simultaneously, so that indoor the second illumination sterilization chamber water through ultraviolet sterilization is discharged, by that analogy.As can be seen here, by adopting the scheme of the first illumination sterilization chamber and the second illumination sterilization chamber alternative water-supply, greatly extend the ultraviolet irradiation time of current, the bacterium of having killed more up hill and dale water inlet current or the water outlet current of gas heater, has avoided unclean water to damage human body.
Should be noted that, water heater of the present utility model can be any suitable gas heater, instant electric water heater, storage-type electric water heater and solar water heater etc., below only describe as an example of gas heater example, to one skilled in the art, with reference to the explanation of the present embodiment, can realize easily based on invention thought of the present utility model ultraviolet sterilization system of the present utility model is applied on polytype water heater, therefore not to repeat here.
In the present embodiment, ultraviolet lamp 22 both can be arranged on the inside of illumination sterilization chamber 21, also can be arranged on the outside of illumination sterilization chamber 21.Referring to Fig. 4, in the time that ultraviolet lamp 22 is arranged on the inside of illumination sterilization chamber 21, the inside of illumination sterilization chamber 21 is provided with transparent and is suitable for the accommodating cavity of accommodating ultraviolet lamp 22, in a preferred embodiments, this accommodating cavity can be the locular wall of illumination sterilization chamber 21 set to the concave form groove position, for make ultraviolet ray that ultraviolet lamp 22 produces can be smoothly through the wall of groove position, the structure division that forms this groove position is made up of the good transparent material of light transmission, for example, this transparent material is preferably suprasil material; Referring to Fig. 5, in the time that ultraviolet lamp 22 is arranged on illumination sterilization chamber 21 outside, as mentioned above, illumination sterilization chamber 21 locular wall corresponding with ultraviolet lamp 22 is made up of transparent material, so that the ultraviolet ray that ultraviolet lamp 22 produces can be passed locular wall smoothly, thereby effectively kill the bacterium in current.
Further, the waterway structure of illumination sterilization chamber 21 inside is roundabout shape.Illumination sterilization chamber 21 under a constant volume, the water route length of this arrangement form is larger, has therefore extended the time that current are irradiated by ultraviolet ray, guarantees effectively to kill the bacterium in current.It should be noted that, illumination sterilization chamber 21 inside limit this structure division that is roundabout shape water route and should be made up of transparent material, to ensure that ultraviolet ray penetrates the tube wall in water route smoothly, plays the effect of killing the bacterium in current.Simultaneously, in order to strengthen ultraviolet irradiation intensity, except adopting the ultraviolet lamp 22 of relatively high power, can also there be multiple ultraviolet lamps 22 in the disposed outside of illumination sterilization chamber, and illumination sterilization chamber 21 locular wall corresponding with ultraviolet lamp 22 is made up of transparent material, or whole illumination sterilization chamber 21 is made up of transparent material.In a preferred embodiments, illumination sterilization chamber 21 is cylindrical, and made by transparent material, in order to make ultraviolet irradiation more even, improve the ultraviolet effect of killing the bacterium in current, ultraviolet lamp 22 is uniformly distributed along the circumferential direction of the periphery wall of illumination sterilization chamber 21, for example, illumination sterilization chamber 21 is provided with three equally distributed ultraviolet lamps 22, or is provided with more ultraviolet lamps 22, and therefore not to repeat here.
Further, the internal face of illumination sterilization chamber 21 is provided with reflector layer (not shown), or, illumination sterilization chamber 21 is made up of transparent material, its outside wall surface is provided with reflector layer (not shown), this reflector layer has the effect of two aspects, and the one, improve ultraviolet utilization rate, strengthen ultraviolet sterilizing ability; The 2nd, prevent that ultraviolet ray from leaking, thereby other parts of gas heater inside are caused to damage, and the healthy of user damaged.In a preferred embodiments, this reflector layer is made up of hydronalium, for example, can be at the outside wall surface metallized aluminum magnesium alloy paillon foil of illumination sterilization chamber 21 as reflector layer, simple in structure, with low cost.
In addition, in order to improve the cleanliness factor that flows into or flow out the current of gas heater, avoid unclean water to damage human body, the inside of separating tube 24 and/or collector tube 25 or outer setting have the ultraviolet lamp (not shown) being electrically connected with ultraviolet sterilization control circuit 30.In the present embodiment, the detailed description of the invention of the ultraviolet lamp arranging on separating tube 24 and collector tube 25 can be with reference to above-mentioned explanation, and therefore not to repeat here.
In the present embodiment, this gas heater also comprises and is arranged on the water flow sensor (not shown) being electrically connected on water inlet pipe 14 or outlet pipe 15 and with ultraviolet sterilization control circuit 30, the corresponding intensity of illumination of controlling ultraviolet lamp 22 of discharge size that ultraviolet sterilization control circuit 30 is measured according to water flow sensor, therefore can realize according to the accurate ultraviolet sterilization apparatus 20 of controlling of current size and produce ultraviolet intensity, the effectively bacterium in killing water.
In the present embodiment, this gas heater also comprises the water quality detecting device (not shown) being arranged on water inlet pipe 14 or outlet pipe 15.In a preferred embodiments, this water quality detecting device is arranged on outlet pipe 15, carry out water quality detection to treat to flow out for user's hot water, the current that prevent the gas heater internal duct of flowing through are subject to the situation that secondary bacterial is polluted, thereby avoid unclean water to damage health.Particularly, water quality detecting device comprises water sample acquiring unit (not shown) and analysis determination unit (not shown), and wherein, water sample acquiring unit is communicated with outlet pipe 15, for obtaining the water sample of water outlet current, analyzing determination unit is electrically connected with ultraviolet sterilization control circuit 30, for measuring the water quality condition of water outlet current, and feed back water quality information to ultraviolet sterilization control circuit 30, analyze determination unit and be mainly used in measuring the bacterial number that the water sample unit volume obtained comprises, ultraviolet sterilization control circuit 30 is according to the bacterial number situation receiving, by with preset value comparison, if the bacterial number comprising in current exceeds relevant criterion, control the ultraviolet sterilization apparatus 20 being arranged on outlet pipe 15 and open function of ultraviolet sterilization, the ultraviolet ray that corresponding ultraviolet lamp 22 produces certain strength, thereby current are carried out to sterilization.In addition, can also be according to the bacterial number that current comprise of water quality detecting device feedback and the mapping relations of uitraviolet intensity size, and then adjustment ultraviolet sterilization apparatus 20 produces ultraviolet intensity size, guarantees ultraviolet sterilization effect.
Should be understood that; these are only preferred embodiment of the present utility model; can not therefore limit the scope of the claims of the present utility model; every equivalent structure or conversion of equivalent flow process that utilizes the utility model description and accompanying drawing content to do; or be directly or indirectly used in other relevant technical fields, be all in like manner included in scope of patent protection of the present utility model.