CN1712362A - Ultraviolet radiant sensor system with sterilizer - Google Patents
Ultraviolet radiant sensor system with sterilizer Download PDFInfo
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- CN1712362A CN1712362A CN 200410027702 CN200410027702A CN1712362A CN 1712362 A CN1712362 A CN 1712362A CN 200410027702 CN200410027702 CN 200410027702 CN 200410027702 A CN200410027702 A CN 200410027702A CN 1712362 A CN1712362 A CN 1712362A
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Abstract
A ultraviolet radiation sensor system with sterilizer consists of sensor and sterilizer. Sensor is used to test radiation degree of radiation field and response to radiation, the device consists of a window to radiation field, which moves from internal radiation field to external radiation field, when window moves to external radiation field and is connected to sterilizer, and sterilizer starts and removes scale from window. It can be a chemical sterilizer, a mechanical sterilizer or mixed sterilizer.
Description
Technical field
The present invention relates to a kind of optical sensor system, especially a kind of ultraviolet radiation sensor-based system with sterilization and disinfection device.
Background technology
The optical radiation sensing device is existing to be used very widely, is mainly used in the ultraviolet radiation sewage sterilization system.
If the product of the time shutter under given yield of radiation and this intensity is greater than minimum dose (unit represents with milliwatt second/square centimeter), ultravioletly just can come water disinfection by the microorganism of water being shone and then kill in the water.According to this principle, ultraviolet ray disinfecting system carries out disinfection to water and satisfies the various demands of people to water.
It is simplified to carry out disinfection that common sewage passes a pressurization stainless steel that is full of ultraviolet radiation.Processing module in the ultraviolet ray disinfecting system is immersed in the channel of an opening, and the waste water in the channel is exposed in the radiation when flowing through many ultraviolet lamps.In the sewage disposal flow process, must detect the level of instantaneous ultraviolet radiation, this could estimate the level of ultraviolet radiation on continuous or semi-continuous basis, and then the overall performance and the efficient of assessment UV disinfection system.
By one or more passive sensing devices are being set near the operating light of specific position and on the direction away from operating light, the technology of monitoring ultraviolet radiation level is very sophisticated.These passive sensing devices are photorectifier, photovaristor or other device, and this device passes through to produce a repeatably signal level on output lead, thereby the impact of particular radiation wavelength or coherent radiation wavelength region is responded.
Conventional ultraviolet ray disinfecting system immerses some ultraviolet lamps usually and mixes and arrange in being about to the sewage of handling, the deficiency that conventional ultraviolet ray disinfecting system exists is:
The first, this arranged is given and sensing device is installed has been produced difficulty with the output of monitoring ultraviolet lamp.Structure on every side normally pressurizing vessel or other is not suitable for embedding the structure of instrument.Can stop flowing of sewage for simply the additional ultraviolet radiation transmitter of ultraviolet lamp module, and become the ultraviolet radiation dirt that is used for treating water and the attachment point of obstruction.
The second, when an urgent demand utilizes ultraviolet ray disinfecting system to go to handle low relatively water quality (as the low-quality sewage of municipal sewage plant), produced a difficult problem: a direct sum sewage closely many parts of the sterilisation system of contact can accumulate dirt.The dirt of piling up on the ultraviolet radiation transmitter can cause transmitting wrong information to the operator, and these information are relevant with the ultraviolet radiation source situation.
At length say, when transmitter accumulation dirt, the ability of sensor detecting ultraviolet radiation can descend, the sensitivity of transmitter reduces, the operator may miss the signal of a reading, and (promptly reading changes very little outwardly, practice change is bigger), and in fact one or several source of radiation does not turn round.Thereby the sensor window in drainage flow a cleaning device is set is doubt because it can hinder flowing of sewage and become the attachment point of a dirt and obstruction.
Summary of the invention
Improvements of the present invention are when operation of sewage disposal system, and the ultraviolet radiation sensor-based system comprises the window of a cleaned at regular intervals and sterilization and disinfection.And in Sewage treatment systems, avoid as much as possible to hinder dirt
Water mobile mode cleans and sterilization and disinfection the window of sensing device.The invention provides the radiation source module of a novelty, it gets rid of the shortcoming of conventional ultraviolet ray disinfecting system.
The invention provides a kind of ultraviolet radiation sensor-based system and detect the radiation that comes from a radiation field, device comprises following two parts.
A sensing device: be used to detect radiation and the radiation that comes from radiation field is responded, sensing device comprises a window, and this window moves in radiation field and between the radiation field outside.
A sterilization and disinfection device: when window moves to radiation field when outside and adjacent with sterilization and disinfection device, sterilization and disinfection device begins startup and removes dirt and sterilization and disinfection from window.This device can be that a cover chemical sterilization sterilizing unit, a mechanical sterilization and disinfection device of cover or machinery add chemical formula mixing sterilizing unit.
The ultraviolet radiation sensor-based system that illustrates among the present invention allows in situ the window in the sensing device to be cleaned and sterilization and disinfection, the common received radiation of this window.Usually when window moved with respect to radiation field, first-selected ultraviolet radiation sensor-based system came to the window sterilization and disinfection.
This method can produce following three kinds of advantages:
The first, the cleaning of window and drainage flow are separate, thereby avoid sanitising agent to leak in the sewage; Replacement is used to clean the structural unit of sensing device window in drainage flow, just may reduce the hydraulic pressure head loss in minimum level ground.
The second, promoted the maintenance of sensing device.
Three, present method has promoted mechanical sterilization and disinfection, chemical sterilization sterilization or the machinery of window to add chemical formula mixing sterilization and disinfection.
The ultraviolet radiation sensor-based system mainly comprises casing, is arranging first chamber and second chamber in the casing, inserts a sensing device casing between these two chambeies.The sensing device casing is connected on the electric motor by axle.
A sensing photodiode is set in the sensing device casing, and the sensing photodiode is connected on the cable, and the wire conduit outgoing cable by connecting on the casing.The sensing photodiode can detect the ultraviolet radiation of wavelength in 100～400nm scope and respond exactly.The sensing device casing also is provided with a window, is beneficial to receive the radiation that comes from radiation field and forms a fluid tight with respect to the sensing device casing seal, and window adopts radiation transparent materials such as quartz.
First chamber of casing is full of sanitising agent, lower concentration mineral acids etc. such as acetate, and the end in first chamber connects their pressurized source.Second chamber of casing is sealedly connected on the outer wall in sewage disposal chamber.Inside, sewage disposal chamber is a source of radiation.
Sewage uv sterilisation stage window is adjacent with second chamber, and adjacent with first chamber at window pollution-removing disinfecting stage window.
Mobile sewage is handled in the sewage disposal chamber in the technical process.During source of radiation work, form radiation field as shown by arrow A.A part of radiation of radiation field enters second chamber and arrives window.The sensing photodiode receives and sends one of operator after the radiation to about the definite signal of radiation level.
After disposing of sewage, window is owing to dirt pollutes.The electric motor drivable shaft rotates clean window, and meanwhile the sensing device casing rotates to second position.Dirt on second position window is exposed in the sanitising agent in first chamber, and sanitising agent can be removed dirt and the sterilization and disinfection on the window.According to the type of the definite performance of system, the sewage handled and the special properties that is full of the sanitising agent in first chamber, determine that easily window is exposed to the length of the time in the sanitising agent in first chamber.Finish remove dirt from window after, motor drive shaft rotation again, window is got back to the radiation that the online detection in first position comes from radiation field.
Description of drawings
Fig. 1 is the schematic top view of first embodiment of ultraviolet radiation sensor-based system in first position;
Fig. 2 is the side-view of ultraviolet radiation sensor-based system on cross section of describing among Fig. 1;
Fig. 3 is that first embodiment among Fig. 1 is at the top view of second position;
Fig. 4 is the side-view of Fig. 3 on cross section;
Fig. 5 is the schematic top view of second embodiment of ultraviolet radiation sensor-based system in first position;
Fig. 6 is the side-view of ultraviolet radiation sensor-based system on cross section of describing among Fig. 5;
Fig. 7 is that second embodiment among Fig. 5 is at the top view of second position;
Fig. 8 is the side-view of Fig. 7 on cross section;
Embodiment
Embodiment one:
Fig. 1～4 have illustrated first embodiment of ultraviolet radiation sensor-based system.Fig. 1 and Fig. 2 illustrated this sensor-based system first embodiment in first or detection position, and meanwhile Fig. 3 and Fig. 4 have illustrated this sensor-based system first embodiment at second or cleaning position.
Shown in Fig. 1～4, the ultraviolet radiation sensor-based system mainly comprises casing (1), is arranging first chamber (2) and second chamber (3) in the casing (1), inserts a sensing device casing (4) between first chamber (2) and second chamber (3).Sensing device casing (4) is connected on the electric motor (6) by axle (5).
A sensing photodiode (7) is set in the sensing device casing (4), and sensing photodiode (7) is connected on the cable (8).The sensing photodiode can detect and responds the ultraviolet radiation of wavelength in 100～400nm scope, detects more accurately and the radiation of response wave length in 250～260nm scope.Casing (1) is gone up wire conduit (9) outgoing cable (8) that connects.
Sensing device casing (4) also is provided with a window (10), is beneficial to receive the radiation that comes from radiation field and forms a fluid tight with respect to sensing device casing (4) seal, and window (10) adopts radiation transparent materials such as quartz.
First chamber (2) of casing (1) is full of sanitising agent, lower concentration mineral acids etc. such as acetate, and the end of first chamber (2) connects their pressurized source.
Second chamber (3) of casing (1) is sealedly connected on the outer wall (11) of sewage disposal chamber (12).Inside, sewage disposal chamber (12) is a source of radiation (13).
See from Fig. 1 and Fig. 2 that in the sewage uv sterilisation stage window (10) is adjacent with second chamber (3); And see from Fig. 3 and Fig. 4 that in the window pollution-removing disinfecting stage window (10) is adjacent with first chamber (2).
Mobile sewage is handled in sewage disposal chamber (12) in the technical process.During source of radiation (13) work, form radiation field as shown by arrow A.Fig. 1 and Fig. 2 represent that a part of radiation of radiation field enters second chamber (3) and arrives window (10).Sensing photodiode (7) receives and sends one of operator after the radiation to about the definite signal of radiation level.
After carrying out this processing, window (10) is owing to dirt pollutes.Electric motor (6) drivable shaft (5) rotation comes clean window (10), and meanwhile sensing device casing (4) rotates to second position shown in Fig. 3 and 4.Dirt on second position window (10) is exposed in the sanitising agent of first chamber (2), and sanitising agent can be removed dirt and the sterilization and disinfection on the window (10).According to the type of the definite performance of system, the sewage handled and the special properties that is full of the sanitising agent in first chamber (2), determine that easily window (10) is exposed to the length of the time in the sanitising agent of first chamber (2).In fact in a single day finish from window (10) and remove dirt, motor (6) drive shaft (5) rotation again, window (10) is got back to first position as depicted in figs. 1 and 2, and then online detection comes from the radiation of radiation field.
Embodiment two:
Fig. 5～8 have illustrated second embodiment of ultraviolet radiation sensor-based system, Fig. 5 and Fig. 6 illustrated second embodiment of this sensor-based system in first or detection position, and meanwhile Fig. 7 and Fig. 8 have illustrated second embodiment of this sensor-based system at second or cleaning position.
Shown in Fig. 5～8, the ultraviolet radiation sensor-based system mainly comprises casing (14), arranging first chamber (15) and second chamber (16) in the casing (14), insert a globe case (17) between first chamber (15) and second chamber (16), globe case (17) is connected on the electric motor (19) by axle (18).
A sensing photodiode (20) is set in the globe case (17), and sensing photodiode (20) is connected on the cable (21).Casing (14) is gone up wire conduit (22) outgoing cable (21) that connects.Globe case (17) also is provided with a window (23), window (23) is arranged on the spherical shapes of globe case (17), be beneficial to receive the radiation that comes from radiation field and form a fluid tight with respect to globe case (4) and seal, window (23) adopts radiation transparent materials such as quartz.
First chamber (15) of casing (14) is full of sanitising agent, lower concentration mineral acids etc. such as acetate, and the end of first chamber (15) connects their pressurized source.
Second chamber (16) of casing (14) is sealedly connected on the outer wall (24) of sewage disposal chamber (25).Inside, sewage disposal chamber (25) is a source of radiation (26).
Casing (14) is being arranged an O type circle (27) in addition, and O type circle (27) is made with the polymkeric substance of analogues such as rubber, plastics, can form tightening seal between globe case (17) and casing (14).
See from Fig. 5 and Fig. 6 that in the sewage uv sterilisation stage window (23) is adjacent with second chamber (16); And see from Fig. 7 and Fig. 8 that in the window pollution-removing disinfecting stage window (23) is adjacent with first chamber (15).
Mobile sewage is handled in sewage disposal chamber (25) in the technical process.During source of radiation (26) work, form radiation field as shown by arrow A.A part of radiation of Fig. 5 and 6 expression radiation fields enters second chamber (16) and arrives window (23).Sensing photodiode (20) receives and sends one of operator after the radiation to about the definite signal of radiation level.
After carrying out this processing, window (23) is owing to dirt pollutes.Electric motor (19) drivable shaft (18) rotation comes clean window (23), and meanwhile globe case (17) rotates to second position shown in Fig. 7 and 8.Dirt on second position window (23) is exposed in first chamber (15), and O type circle (27) can be wiped the dirt on the window (23) during the rotation.The interaction of window (23) and O type circle (27) causes dirt and the sterilization and disinfection on mechanical cleaning or the wiping window (23).According to the type of the definite performance of system, the sewage handled and the special properties that is full of the sanitising agent in first chamber (15), determine that easily window (23) is exposed to the length of the time in the sanitising agent of first chamber (15).Described as top Fig. 1～4, can make up and arrange the sterilization of utilization chemical sterilization.In fact in a single day finish from window (23) and remove dirt, motor (19) drive shaft (19) rotation again, window (23) is got back to first position as illustrated in Figures 5 and 6, and then online detection comes from the radiation of radiation field.
In addition, aspect sewage disposal, can utilize the combined sewage treatment system of open Sewage treatment systems and sealing Sewage treatment systems.In the various embodiments described above, the ultraviolet radiation sensor-based system can use various sterilization and disinfection devices, comprises brusher, injector, comprises sanitising agent, cellular material of abrasive grains etc.
Claims (4)
1, a kind of ultraviolet radiation sensor-based system with sterilization and disinfection device, comprise casing (1), first chamber (2), second chamber (3), sensing device casing (4) and window (10), the sensing device casing upwards inserts casing and casing is divided into first chamber and second chamber at upper and lower, it is characterized in that: a sensing photodiode (7) is set in the described sensing device casing, and the sensing photodiode is connected on the cable (8).The sensing photodiode can detect and responds the ultraviolet radiation of wavelength in 100～400nm scope.
2, ultraviolet radiation sensor-based system as claimed in claim 1, it is characterized in that: described sensing device casing (4) is provided with a window (10), this window helps receiving the radiation that comes from radiation field, and with respect to fluid tight envelope of sensing device casing formation, window adopts the radiation transparent material.
3, ultraviolet radiation sensor-based system as claimed in claim 1 is characterized in that: described photodiode (7) is finished the disinfection by ultraviolet light of sewage earlier behind the signal of the radiation level that receives radiation field; Electric motor (6) drivable shaft (5) rotates subsequently, and meanwhile sensing device casing (4) rotates to the position that the window (10) that makes on the sensing device casing closes on first chamber (2), is deposited in the dirt of window and carries out sterilization and disinfection so that remove.
4, ultraviolet radiation sensor-based system as claimed in claim 1, it is characterized in that: the window (10) on the described sensing device casing (4) is finished after the sterilization and disinfection, electric motor (6) drive shaft (5) again rotates, make window on the sensing device casing close on the position in second chamber (3), be beneficial to the radiation that online detection comes from radiation field.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200410027702 CN1712362A (en) | 2004-06-21 | 2004-06-21 | Ultraviolet radiant sensor system with sterilizer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200410027702 CN1712362A (en) | 2004-06-21 | 2004-06-21 | Ultraviolet radiant sensor system with sterilizer |
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| Publication Number | Publication Date |
|---|---|
| CN1712362A true CN1712362A (en) | 2005-12-28 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200410027702 Pending CN1712362A (en) | 2004-06-21 | 2004-06-21 | Ultraviolet radiant sensor system with sterilizer |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102359816B (en) * | 2006-09-20 | 2015-01-07 | 特洛伊科技有限公司 | Optical radiation sensor system |
| CN108066789A (en) * | 2016-11-17 | 2018-05-25 | 海特康股份公司 | UV sterilizer and its method of work |
-
2004
- 2004-06-21 CN CN 200410027702 patent/CN1712362A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102359816B (en) * | 2006-09-20 | 2015-01-07 | 特洛伊科技有限公司 | Optical radiation sensor system |
| CN108066789A (en) * | 2016-11-17 | 2018-05-25 | 海特康股份公司 | UV sterilizer and its method of work |
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