CN2446124Y

CN2446124Y - Ultravoilet sterilizer

Info

Publication number: CN2446124Y
Application number: CN 00249089
Authority: CN
Inventors: 李雄杰; 陆承良; 梅贤龙
Original assignee: Shanghai No7 Light Industry Machinery Factory
Current assignee: Shanghai No7 Light Industry Machinery Factory
Priority date: 2000-09-05
Filing date: 2000-09-05
Publication date: 2001-09-05
Anticipated expiration: 2010-09-05

Abstract

The utility model relates to an ultraviolet sterilizer which comprising a water storage body, a plurality of quartz casing tubes, control circuits of the ultraviolet lamps, and a cleaning device for the quartz casing tubes, wherein ultraviolet lamps are arranged in the quartz casing tubes which are arranged in the water storage body; the cleaning device for the quartz casing tubes is composed of a draw rod and a cleaning disk fixed on the draw rod, and both ends of the draw rod are sealed and fixed on the water storage body in a detachable mode. The utility model is additionally provided with the cleaning device for the quartz casing tubes, so that all the quartz casing tubes can be cleaned without disassembling the utility model. The utility model has a monitoring function to the working state of the ultraviolet lamps, and once the lamp tubes work abnormally, a monitoring circuit can prompt working personnel, so that the utility model can be guaranteed to be in the optimal running state.

Description

Ultraviolet sterilizer

The utility model relates to a kind of water treating equipment, refers in particular to the water treating equipment that bacterium in the water is killed in a kind of irradiation that utilizes ultraviolet germicidal lamp.

Ultra-violet sterilization is a kind of free of contamination method for disinfection, and its action principle is the ultraviolet ray with sufficient dosage and specific wavelength, and the dna structure of destroy microorganisms cell makes it lose the ability of existence, breeding.Ultraviolet sterilizer is exactly a kind of efficient sterilizing equipment that adopts ultraviolet technique to make.Existing ultraviolet sterilizer comprises a water storage with water-in, water outlet and sewage draining exit, some intravital ultraviolet germicidal lamps of described water storage of being located at, every ultraviolet germicidal lamp all is with the silica protective sleeve pipe outward, and the circuit of control ultraviolet germicidal lamp work.Pending water flows into water storage by water-in, under the working conditions of regulation, after most of bacterium in the water is killed in uviolizing, can obtain sterilized water by water outlet.

Owing to contain various impurity in the former water, duration of service one is long, can deposit dirt on the quartz socket tube, but present ultraviolet sterilizer does not have washing unit, needs whole device completely knocked down is cleaned, and working service is very inconvenient.Simultaneously, original equipment also in all many-sided deficiencies that exists, adopts at 2 as the sealing of quartz socket tube and compresses unreasonable structure, poor sealing performance, complicated operation; Pilot circuit lacks the monitoring to the working order of UV-lamp, in case and UV-lamp work is undesired, then can directly influence sterilization effect.

A purpose of the present utility model is to propose a kind of improved ultraviolet sterilizer, and its ad hoc washing unit of mat can spur the pull bar of described washing unit under the situation of not taking whole water treatment device apart, can all quartz socket tubes be cleaned; Another purpose of the present utility model is that the sealed fixing device to quartz socket tube improves, adopt upper and lower locating sleeve to be fixed on the water storage to each quartz socket tube, and in upper and lower locating sleeve place each compress O-ring seals with a swivel nut with the face way of contact, make its sealed structure more reasonable, sealing effectiveness is better; Another purpose of the present utility model is that pilot circuit is partly improved, UV-lamp working order indicating circuit, UV-lamp working hour summation circuit and UV-lamp faiture alarm circuit have been increased, it is undesired to prevent because of quartz burner work, and influences sterilization effect.

A kind of ultraviolet sterilizer of the present utility model, comprise that has a water-in, the water storage of water outlet and sewage draining exit, some quartz socket tubes that place described water storage, and be built-in with ultraviolet germicidal lamp at each quartz socket tube, and the pilot circuit of described UV-lamp, the quantity of described UV-lamp is by the service discharge decision of equipment, be parallel to each other between described quartz socket tube, and be provided with one the cover quartz socket tube washing unit, this washing unit is made up of a pull bar and a cleaning disc, described pull bar is parallel with each quartz socket tube, and its two ends are sealingly fastened on the described water storage with removably, and described cleaning disc is fixed in described pull bar bottom; Behind the mounting block at the fixing described pull bar two ends that come loose, the external part that spurs described pull bar can be driven cleaning disc easily and be wiped up and down along quartz socket tube, so that quartz socket tube is cleaned.

Specifically, the such fixed of described pull bar: on described water storage, cover and be provided with the last locating sleeve identical with quartz socket tube quantity, water storage bottom with each on the locating sleeve corresponding position be provided with down locating sleeve, described quartz socket tube stretches into water storage by last locating sleeve place, following locating sleeve place by correspondence passes water storage, and compress an O-ring seals with tight swivel nut in the lump with the face way of contact in each upper and lower locating sleeve place, described quartz socket tube is sealed and fixes.

Its pilot circuit also comprises add up indicating circuit, fluorescent tube failure alarm circuit of described lamp works indicating circuit, lamp works time, to strengthen the monitoring to UV-lamp, prevents because of the UV-lamp operation irregularity, and influences the sterilization effect of equipment.

Advantage of the present utility model is: 1, owing to increased the washing unit of quartz socket tube, can take entire equipment apart, and only need unclamp the mounting block of several fixing described pull bars, spur the pull bar of described washing unit, can all quartz socket tubes be cleaned simultaneously, operate very easy; 2, the sealed structure of improved quartz socket tube has improved the sealing property of installing; 3, the Working Status Monitoring circuit of UV-lamp can guarantee to work as lamp works just often, and the lamp works pilot lamp normally shows, in case lamp works is undesired, the lamp works pilot lamp extinguishes, simultaneously, warning circuit work, hummer sends guard signal, and the prompting staff in time takes measures; In addition, UV-lamp adds up working indicating, can show the accumulative total working hour of fluorescent tube, and the prompting staff in time changes the fluorescent tube of overtime work, guarantees the germ-killing efficiency of UV-lamp.

Now the utility model is described in further detail in conjunction with an embodiment.

Fig. 1 is the structural representation of sterilizer part of the present utility model;

Fig. 2 is UV-lamp working order indication electrical schematic diagram;

Fig. 3 is a UV-lamp working hour summation circuit electrical schematic diagram;

Fig. 4 is the electrical schematic diagram of UV-lamp faiture alarm circuit.

A kind of ultraviolet sterilizer of the present utility model, mainly be divided into sterilizer and circuit two parts, its sterilizer part as shown in Figure 1, comprise that mainly has a water-in 11, the water storage 1 of water outlet 12 and sewage draining exit 13, some quartz socket tubes 2 that place described water storage, and be built-in with ultraviolet germicidal lamp 3 at each quartz socket tube 2, and the pilot circuit of described UV-lamp 3, the quantity of quartz socket tube 2 (being UV-lamp 3) is by the service discharge decision of equipment, be parallel to each other between the described quartz socket tube 2, and be provided with one the cover quartz socket tube 2 washing unit, this washing unit is made up of a pull bar 4 and a cleaning disc 5, this pull bar 4 is parallel with each quartz socket tube 2, and its two ends are sealingly fastened on the described water storage 1 with removably, and this cleaning disc 5 is fixed in the bottom of described pull bar 4.

The pull bar 4 of described washing unit stretches in the water storage 1 by the pull bar locating sleeve 15 that is located on the water storage loam cake 14, by being arranged in water storage 1 bottom and position and pull bar locating sleeve 15 corresponding sewage draining exits 13 pass; The upper end of this pull bar 4 is fixed in the pull bar locating sleeve 15, and described pull bar locating sleeve 15 oral areas are provided with screw thread, and compress described O-ring seals 6 with a crown swivel nut 7 with the face way of contact, and its lower end hangs tight nut 9 by one and is fixed on the dividing plate in the sewage draining exit 13.Referring to Fig. 1.

The cleaning disc 5 of described washing unit is by upper and lower two supporting plate 51A, 51B, and some upper and lower pressing plates 52 and cleaning sheet 53 are formed; Described upper and lower two supporting plate 51A, 51B make with stainless steel, be anchored on the bottom of described pull bar 4 with pair of nut 54, this upper and lower supporting plate 51A, 51B with each corresponding section, quartz socket tube 2 position, be provided with the cleaning bar 511 identical with quartz socket tube 2 quantity, each cleans and is equipped with upper and lower pressing plate 52 of nylon and silicon rubber cleaning sheet 53 in the bar 511 respectively, and by hold-down gear 55 they is pressed in the cleaning bar 511; Have the wash-out hole that is complementary with quartz socket tube 2 diameters on described each cleaning sheet 53, after this cleaning sheet 53 is compacted, its wash-out hole just with quartz socket tube 2 between formation movingly.

The fixed form of each quartz socket tube 2 as shown in Figure 1.The loam cake 14 of described water storage 1 is provided with the last locating sleeve 16 identical with quartz socket tube 2 quantity, water storage 1 bottom and on each locating sleeve 16 corresponding positions be provided with down locating sleeve 17, described quartz socket tube 2 passes locating sleeve 16 and corresponding following locating sleeve 17, and in upper and lower locating sleeve 16,17 places each with in the lump tightly swivel nut 18,19 compress an O-ring seals 8 with the face way of contact.

For guaranteeing the UV-lamp works better, described ultra-violet sterilization lamp control circuit part has also increased UV-lamp working indicating (Fig. 2), UV-lamp working hour add up indicating circuit (Fig. 3) and UV-lamp failure alarm circuit (Fig. 4).

Described UV-lamp working indicating comprises that referring to Fig. 2 one is series at the divider resistance R2 in the quartz burner circuit, and one be parallel to this divider resistance R2 two ends, a photodiode D1 and the placed in-line circuit of a current-limiting resistance R1.When the fluorescent tube works better, lamp current produces pressure drop on resistance R 2, this voltage V _R2Be able to light photodiode D1, photodiode D1 is normally luminous, and expression fluorescent tube circuit working is normal; When fluorescent tube is not worked, owing to the R2 no current passes through, the last absence of voltage of R2, photodiode D1 is not luminous, and the tube circuit operation irregularity is described.FU is a fusible link among Fig. 3, and B1 is a barretter, and T is a UV-lamp, and S is a starter.

The described lamp works time is added up indicating circuit referring to Fig. 3, comprises a relay R M, reaches the time totalizer DHC-3L by the contact KM1 control of this rly..When accumulative total working hour that lamp works time totalizer DHC-3L shows fluorescent tube near or when surpassing the working hour of regulation, then remind the staff to change fluorescent tube, to guarantee the sterilising effect of fluorescent tube.

Described warning circuit comprises the DC power supply circuit once step-down, rectification, filtering, voltage stabilizing referring to Fig. 4, a current transformer B2, a voltage comparator circuit BJ and a hummer FM; Described current transformer B2 elementary is connected in total feed circuit of quartz burner, and the electric current on its secondary coil adds to the negative input end of comparison circuit BJ after rectification, filtering and R5 and R6 dividing potential drop; With in the described power source circuit through the output of rectification, filtering after resistance R 3 and potentiometer W dividing potential drop, the positive input terminal that is added in comparison circuit BJ is made votage reference, the output of comparer BJ is connected to a transistor amplifier FD, drive described hummer FM, adjust the size of the accurate voltage of the adjustable integral basis of potentiometer W, be complementary with total current, improve the sensitivity of circuit with fluorescent tube.When lamp works just often, have normal current to pass through among the current transformer B2, the voltage V-of the negative input end of comparison circuit greater than the reference voltage V of positive input terminal+, the output voltage V of comparison circuit _OUTBe lower level, amplifying circuit FD ends, and hummer FM does not report to the police; When arbitrary or when appointing several fluorescent tubes not work, because flowing through the electric current of current transformer primary winding reduces, make the voltage V-of the negative input end of comparison circuit also be reduced to reference voltage V less than positive input terminal+, comparison circuit BJ upset, the output high level, amplifying circuit FD conducting, hummer FM begins to report to the police, remind the staff to take measures, guarantee that equipment is in optimal operational condition.

When ultraviolet sterilizer of the present utility model cleans, only need screw off the screw plug at sewage draining exit 13 places earlier, surplus water in the water storage 1 is drained, crown swivel nut 7 with pull bar locating sleeve 15 places unscrews then, and takes off the fastening screw nut 9 of pull bar 4 lower ends, by the handle 10 pulling pull bars 4 of pull bar 4 upper ends, drive cleaning disc 5 upper and lower motions, simultaneously each quartz socket tube 2 is cleaned, and the flushing that discharges water, can easily quartz socket tube 2 be cleaned up.Because the position of cleaning sheet 53 can be finely tuned respectively according to the position of each quartz socket tube, also can change respectively, so operation and maintenance is very convenient.

Claims

1 one kinds of ultraviolet sterilizers, comprise that has a water-in, the water storage of water outlet and sewage draining exit, some quartz socket tubes that place described water storage, and be built-in with ultraviolet germicidal lamp at each quartz socket tube, and the pilot circuit of described UV-lamp, it is characterized in that being parallel to each other between described quartz socket tube, and be provided with one the cover quartz socket tube washing unit, this washing unit is made up of a pull bar and a cleaning disc, described pull bar is parallel with each quartz socket tube, its two ends are sealingly fastened on the described water storage with removably, and described cleaning disc is fixed in the bottom of described pull bar.

2 ultraviolet sterilizers according to claim 1, the cleaning disc that it is characterized in that described washing unit are by upper and lower two supporting plates, and some upper and lower pressing plates and cleaning sheet are formed; Described upper and lower two supporting plates are anchored on described pull bar bottom, in this upper and lower supporting plate and each corresponding section, quartz socket tube position, be provided with the cleaning bar identical with quartz socket tube quantity, each cleans and is equipped with upper and lower pressing plate and cleaning sheet in the bar respectively, and is provided with the cleaning sheet hold-down gear; Have the wash-out hole that is complementary with the quartz socket tube diameter on described each cleaning sheet, and compressed by upper and lower two supporting plates and upper and lower two pressing plates respectively; After described cleaning sheet was compacted, its wash-out hole just with between the quartz socket tube became movingly.

3 ultraviolet sterilizers according to claim 2, the pull bar that it is characterized in that described washing unit stretches in the water storage by the pull bar locating sleeve that is located at water storage and covers, and passes by being arranged in water storage bottom and position and the corresponding mudhole of pull bar locating sleeve; The upper end of this pull bar is fixed in the pull bar locating sleeve, and seals with O-ring seals, and its lower end is fixed in the mudhole.

4 ultraviolet sterilizers according to claim 3 is characterized in that being provided with screw thread at described pull bar locating sleeve oral area, and compress described O-ring seals with a crown swivel nut with the face way of contact.

5 ultraviolet sterilizers according to claim 1, it is characterized in that described water storage on be covered with the last locating sleeve identical with quartz socket tube quantity, water storage bottom with each on the locating sleeve corresponding position be provided with down locating sleeve, described quartz socket tube passes locating sleeve and corresponding following locating sleeve, and in upper and lower locating sleeve place each with in the lump tightly swivel nut compress an O-ring seals with the face way of contact.

6 ultraviolet sterilizers according to claim 1 is characterized in that described ultra-violet sterilization lamp control circuit comprises add up indicating circuit, fluorescent tube failure alarm circuit of described lamp works indicating circuit, lamp works time.

7 ultraviolet sterilizers according to claim 6, it is characterized in that described lamp works indicating circuit comprises that one is series at the divider resistance R2 of tube circuit, and in this divider resistance R2 two ends parallel connection one photodiode D1 and the placed in-line resistance of a current-limiting resistance R1.

8 ultraviolet sterilizers according to claim 6 is characterized in that the indicating circuit that adds up of described lamp works time comprises a relay R M, and by the time totalizer DHC-3L of this rly. control break-make.

9 ultraviolet sterilizers according to claim 6 is characterized in that described warning circuit comprises the DC power supply circuit once step-down, rectification, filtering, voltage stabilizing, a current transformer B2, a voltage comparator circuit, an amplifying circuit and a hummer; Described current transformer B2 elementary is connected in the feed circuit of UV-lamp, and its secondary coil adds to the comparison circuit negative input end behind rectification, filtering, bleeder circuit; After dividing potential drop, the positive input terminal that is added on comparison circuit is made votage reference with the output of the filtering circuit in the described power source circuit, and the output of comparer is connected to an amplifying circuit, drives described hummer.