CN1303002C - Fluid treatment system - Google Patents
Fluid treatment system Download PDFInfo
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- CN1303002C CN1303002C CNB008118698A CN00811869A CN1303002C CN 1303002 C CN1303002 C CN 1303002C CN B008118698 A CNB008118698 A CN B008118698A CN 00811869 A CN00811869 A CN 00811869A CN 1303002 C CN1303002 C CN 1303002C
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Classifications
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61L—METHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS IN GENERAL; DISINFECTION, STERILISATION OR DEODORISATION OF AIR; CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES; MATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES
- A61L2/00—Methods or apparatus for disinfecting or sterilising materials or objects other than foodstuffs or contact lenses; Accessories therefor
- A61L2/02—Methods or apparatus for disinfecting or sterilising materials or objects other than foodstuffs or contact lenses; Accessories therefor using physical phenomena
- A61L2/08—Radiation
- A61L2/10—Ultra-violet radiation
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- 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
- C02F1/325—Irradiation devices or lamp constructions
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F9/00—Multistage treatment of water, waste water or sewage
- C02F9/20—Portable or detachable small-scale multistage treatment devices, e.g. point of use or laboratory water purification systems
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
- H05B41/00—Circuit arrangements or apparatus for igniting or operating discharge lamps
- H05B41/14—Circuit arrangements
- H05B41/36—Controlling
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
- H05B47/00—Circuit arrangements for operating light sources in general, i.e. where the type of light source is not relevant
- H05B47/20—Responsive to malfunctions or to light source life; for protection
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2201/00—Apparatus for treatment of water, waste water or sewage
- C02F2201/32—Details relating to UV-irradiation devices
- C02F2201/322—Lamp arrangement
- C02F2201/3228—Units having reflectors, e.g. coatings, baffles, plates, mirrors
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2201/00—Apparatus for treatment of water, waste water or sewage
- C02F2201/32—Details relating to UV-irradiation devices
- C02F2201/326—Lamp control systems
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
- H05B47/00—Circuit arrangements for operating light sources in general, i.e. where the type of light source is not relevant
- H05B47/20—Responsive to malfunctions or to light source life; for protection
- H05B47/28—Circuit arrangements for protecting against abnormal temperature
Abstract
A fluid treatment system (10) is disclosed that includes a control unit (102) that controls the overall operation of the fluid treatment system (10). A ballast circuit (103) is coupled with an electromagnetic radiation emitting assembly (14). In the preferred fluid treatment system (10), the ballast circuit (103) is inductively coupled with the electromagnetic radiation assembly (14). The inductively coupled ballast circuit (103) inductively energizes an electromagnetic radiation emitting device (60) that is located in the electromagnetic radiation emitting assembly (14) in response to a predetermined electric signal from the control unit (102). In addition, the fluid treatment system (10) includes a radio frequency identification system (124) that is used to monitor various functional and operation aspects of the electromagnetic radiation emitting assembly (14) and a filter assembly (16) used in the fluid treatment system (10).
Description
It is 60/140 that the application requires the sequence number in application on June 21st, 1999 according to 35 U.S.C.119 (e), 159, name is called the right of priority of the U.S. Provisional Patent Application of " Water treatment System with anInductively Coupled Ballast ".It is 60/140,090 that the application also requires the sequence number in application on June 21st, 1999 according to 35 U.S.C.119 (e), and name is called the right of priority of the U.S. Provisional Patent Application of " Point-of-Use Water treatment System ".
Therefore the application comprises that U.S. Patent application that the name of applying on the same day with the application is called " Point-of-Use Watertreatment System " as a reference.
Invention field
The present invention relates generally to water treatment system, relate in particular to the induction coupling barretter that is used for carrying out the transmission of noncontact power to the UV-lamp of water treatment system.
Background of invention
The present invention solves and the family of on-the-spot use in the past or the relevant some problems of water treatment system of office.First problem is, conventional utilization wherein have ultraviolet lamp the lamp device water treatment system energy utilize aspect efficient low.This lamp device generally will move continuously, so as to prevent since the ultraviolet lamp access failure and in water treatment system propagate microorganisms.When the lamp device of routine is connected, need very long start time guaranteed fully to destroy the microorganism in the water treatment system thereby the gas in ultraviolet lamp fully excites the light of output predetermined strength before.May be had the microorganism of the unacceptable work of quantity by the water of from water treatment system, discharging before fully exciting at ultraviolet lamp.The lamp device of operation uses lot of energy continuously, thereby efficient is low.In addition, at the lamp device continuously under the situation of operation, for example operation continuously whole night, it is that water in the water treatment system becomes temperature and uncomfortable then may to make.
The design of the reflector arrangement in second problem and the water treatment system is relevant.When attempting to increase the efficient of lamp, reflector arrangement can be placed on around ultraviolet lamp and the water pipe, and in described water pipe, microorganism is illuminated.Do not shine water pipe from the incident light of ultraviolet lamp by from reflector walls to back reflective, thereby have an opportunity to shine on the water pipe once more.Usually the cross section of these reflector arrangements is circular.Regrettably, the many UV-light that produced shine on the water pipe never.But very big a part of light is reuptaked by ultraviolet lamp device.
The 3rd problem relates to the electrical connection of lamp device and water treatment system.When the lamp device is mounted in water treatment system or is removed, described lamp device must be carried out machinery with respect to described water treatment system with being connected and pulling down of electricity.This needs complicated and expensive erecting device usually.In addition, must be careful, so that guarantee that described electrical connection is not exposed in the moisture to the water treatment system transmission of electric energy time.
Sometimes use coaxillay aligned lamp device and filter for installation so that make water treatment system have minimum size.A kind of lamp device in specific water treatment system and filter for installation can or cannot be removed from described water treatment system.If these devices are removed simultaneously, they are very heavy usually, because they are filled water, and himself just has very big weight.In addition, even lamp device and filter for installation are removed individually, the problem of overflowing often takes place during handling from a device of these devices from water treatment system.
Another problem of being faced by the water treatment system with lamp device is to need complicated system of supervision to come the supervisory lamp device.Along with wearing out of lamp device, the light intensity of exporting from the lamp device dies down gradually.At last, light intensity drops to below the value that realizes required microorganism kill rate needs.The lamp device should be removed before reaching critical minimum strength.Thereby, need the light intensity of a kind of system of supervision inspection in water treatment system.These system of supervision generally are expensive.They need have the ultraviolet rays detector of the costliness of quartz window usually.
Conventional ballast control circuit uses bipolar transistor and saturation transformer to drive the lamp device.Ballast control circuit vibrates under the frequency relevant with the magnetic property of the winding arrangement of material and these transformers.Output with circuit generation square wave type of saturation transformer vibrator requires the transistor of half-bridge that pressure conversion under the condition of carrying is being arranged, and needs the electric current of independent inducer restricted passage discharge lamp.
The shortcoming of these and other of the existing water treatment system of use lamp device and filter for installation is by the invention solves.
The ballast circuit structure of prior art and not usability should be coupled the water treatment system of ballast circuit by United States Patent (USP) 4752401,5230792,5324423,5404082 and 5853572 disclose.The device and the system of the use radio-frequency recognition system of prior art are disclosed by United States Patent (USP) 5892458 and EP-A-0825577.
Summary of the invention
The present invention discloses a kind of electronic system that comprises induction coupled ballast circuit that is used for water treatment system.Described water treatment system is especially filtered water by current are guided into filter for installation from the water source.Described filter for installation is removed deleterious particle from current.After passing through filter for installation, water is drawn towards removable ultraviolet lamp device.Ultraviolet lamp device is by means of water being exposed to during by ultraviolet lamp device the organic substance that destroys under the high-intensity UV-light in the water source when water.Ultraviolet lamp device begins to provide in fact instantaneous high-intensity UV-light operation, the water treatment system of the prior art that this is better than needing warm up time.At current after ultraviolet lamp device comes out, by take-off equipment current drawing-off water treatment system.
The entire operation of water treatment system is by the control device control with ultraviolet lamp device and filter for installation electrical connection.In a preferred embodiment, control device also is electrically connected with flow detector, ambient temperature detection circuit, ambient light detection circuit, ultra-violet light detection circuit, power sense circuit, display unit, sound generating circuit, storing device, communication port and radio-frequency recognition system.These install all controlled device supervision or control, and provide many advantages to water treatment system, and are as described below.
The flow detection circuit is used for determining the water mobile time by control device, thereby can powers to ultraviolet lamp device.And the volume of the water of being handled by water treatment system is followed the tracks of in maintenance.Ambient temperature detection circuit is measured atmospheric envrionment temperature, makes water treatment system to remain on temperature value more than the predetermined temperature of freezing point or certain.Ultra-violet light detection circuit provides corresponding to the electrical signal by the ultraviolet light intensity of ultraviolet lamp device emission control device.This is important, because these measurements make control device to adjust, thereby can increase or reduce the ultraviolet light intensity that sends.
Power sense circuit provides electrical signal to control device, described electrical signal whether represent by the external power source of routine for example wall socket power to water treatment system.Display unit is controlled by control device, is used to show the information of the state of water treatment system.The sound generating circuit is used for providing the sound that can listen under the situation of the state that the needs that water treatment system takes place to be scheduled to are paid close attention to by control device control.
Water treatment system also comprises the storing device that links to each other with control device.Described storing device is used to store the various data values relevant with water treatment system and related elements thereof.In a preferred embodiment of the invention, storing device is EEPROM or some some other suitable storing device.Communication port links to each other with control device, and it is provided at the ability that control device and peripheral unit for example carry out two-way communication between Personal Computer or the hand-held watching device.
Radio-frequency recognition system comprises the UV-light transponder that is arranged in each ultraviolet lamp device.In addition, radio-frequency recognition system also comprises the strainer transponder that is arranged in filter for installation.The UV-light transponder uses radio frequency to communicate by letter with radio-frequency recognition system with the strainer transponder.It is certain specific information that each transponder contains for ultraviolet lamp device and filter for installation.It will be understood by those of skill in the art that and to use the contact-type recognition system to replace radio-frequency recognition system.
Preferred ultraviolet lamp device is by the power supply of induction coupled ballast circuit.A kind of preferred induction coupling ballast circuit is a kind of self-oscillasion semi-bridge construction of switch, and it is operated being used in fact providing under the high frequency of instantaneous ultraviolet lamp illumination.In addition, use MOSFET to reach resonance easily as the induction coupling ballast circuit self-sustained oscillation of switching element, it is designed to be applicable to the air-core transformer coupled structure, and this has simplified the structure of ultraviolet lamp device.Because by the air-core transformer coupled structure that induction coupling ballast circuit forms, this ultraviolet lamp device is changed easily.
Preferred induction coupling ballast circuit comprises pilot circuit, vibrator, driving mechanism, half-bridge switch circuit, series resonant tank, secondary coil, resonant lamp circuit and ultraviolet lamp.Vibrator and control device are electrically connected, and control device starts described vibrator by the electrical signal that the described vibrator of excitation is provided to pilot circuit.During operation, vibrator provides electrical signal to driving mechanism, then, makes the excitation of half-bridge switch circuit.Half-bridge switch circuit excitation series resonant tank, series resonant tank are then with the ultraviolet lamp in the induction mode excitation ultraviolet lamp device.
Ultraviolet lamp device is holding secondary coil physically, the ultraviolet lamp of resonant lamp circuit and induction coupling ballast circuit.In case series resonant tank is energized, the secondary coil in the ultraviolet lamp device just becomes excitation induced, so as to the irradiation ultraviolet lamp.In a preferred embodiment, the resonant frequency of induction coupled ballast circuit approximately is 100kHz.Like this, the secondary coil in ultraviolet lamp device is also greatly about 100kHz resonance.As previously mentioned, can adjust the resonant frequency of operation by control device up and down, so that adapt to conventional selection of components.In addition, resonant frequency is also selected control by the element in the series resonant tank, and this will describe in detail below.
Like this, the preferred embodiments of the present invention have disclosed a kind of fluid handling system, and it comprises control device; Respond to coupled induction coupling ballast circuit with launcher of electromagnetic radiation, wherein induction coupling ballast circuit basis is from the emitter of electromagnetic radiation part in the predetermined electric signal excitation induced launcher of electromagnetic radiation of control device.
Another preferred embodiment of the present invention has disclosed a kind of method that electromagnetic radiation is provided in fluid handling system.Said method comprising the steps of: utilize a control device to produce predetermined electric signal; Described predetermined electric signal is directed to induction coupling ballast circuit; And response is from the emitter of electromagnetic radiation part of predetermined electric signal excitation induced in induction coupling ballast circuit of described control device.
In another embodiment of the present invention, disclosed a kind of fluid handling system with radio-frequency recognition system.Described fluid handling system comprises control device; Base station with described control device electrical connection; And at least one is arranged in the rfid-transponder machine that carries out the launcher of electromagnetic radiation of radio communication with described base station.In another preferred embodiment of the present invention, described launcher of electromagnetic radiation is filtered apparatus and replaces.
Another preferable methods that the present invention discloses relates to the method for the information of the launcher of electromagnetic radiation of supervision in fluid handling system.Said method comprising the steps of: be provided for the launcher of electromagnetic radiation in the described fluid handling system; The electromagnetic radiation Identification Transponder that utilization is arranged in described launcher of electromagnetic radiation produces the launcher of electromagnetic radiation information signal; Send the launcher of electromagnetic radiation information signal to the base station that is arranged in described fluid handling system; And described launcher of electromagnetic radiation information signal delivered to a control device.In a further advantageous embodiment, described launcher of electromagnetic radiation can replace with filter for installation.
The detailed description that these and other characteristic of the present invention and advantage are read the preferred embodiments of the present invention given below in conjunction with the drawings can be clear that more.
Description of drawings
Fig. 1 is the skeleton view of the main housing of water treatment system, and its top shields has been removed, and filter for installation and ultraviolet lamp device have been removed from elementary cell;
Fig. 2 A-C is the skeleton view of taking apart of the main element of water treatment system;
Fig. 3 is the main circuit of water treatment system and the functional diagram of parts;
Fig. 4 is the functional diagram of induction coupling ballast circuit;
Fig. 5 is the schematic diagram of a part, barretter reaction circuit and the interlock circuit of induction coupling ballast circuit;
Fig. 6 represents secondary coil, resonant lamp circuit and the ultraviolet lamp of ultraviolet lamp device;
Fig. 7 is the schematic diagram of starter circuit;
Fig. 8 is the schematic circuit diagram of the radio-frequency recognition system that uses in water treatment system;
Fig. 9 is the schematic circuit diagram of flow detector;
Figure 10 is the schematic diagram of ambient light detection circuit;
Figure 11 is the schematic diagram of UV-detector circuit '
Figure 12 is the schematic diagram of envrionment temperature detector circuit;
Figure 13 is the schematic diagram of sound generating circuit; And
Figure 14 is the schematic circuit diagram of communication port.
Detailed description of the currently preferred embodiment of the present invention
Referring to Fig. 1, the present invention discloses a kind of electronic system that is used for water treatment system 10, general strainer and the UV-light of using based on carbon of described water treatment system is used for water is purified.In order to understand the present invention, importantly the mechanical aspects for preferred water treatment system 10 has a general understanding.Preferred water treatment system 10 comprises main housing 12, removable ultraviolet lamp device 14 and filter for installation 16.Ultraviolet lamp device 14 and filter for installation 16 can be removed and change from main housing 12.Main housing 12 comprises bottom guard shield 18 rear portion guard shields 20, anterior guard shield 22, top shields 24 and inner sleeve guard shield 26.Lens 28 hold display unit 106 (see figure 3)s, thereby by the information of display unit 106 demonstrations about the state of water treatment system 10.In order to assemble water treatment system 10, ultraviolet lamp device 14 is fixedly mounted on the main housing 12, and after this, filter for installation 16 is installed in the top of ultraviolet lamp device 14, and is fixed on the main housing 12.
It will be appreciated by those skilled in the art that removable ultraviolet lamp device 14 can make in this way, make that ultraviolet lamp device 14 can be non-exchange.In addition, it will be appreciated by those skilled in the art that removable ultraviolet lamp device 14 can exchange with some dissimilar launcher of electromagnetic radiation.Like this, the present invention only should not be confined to cover the water treatment system of using ultraviolet lamp device, and it will be appreciated by those skilled in the art that disclosed ultraviolet lamp device represents the preferred embodiments of the present invention.
Referring to Fig. 2 A-C, wherein show the main mechanical component relevant of water treatment system 10 with the present invention with the form of skeleton view.Shown in Fig. 2 A, inner sleeve guard shield 26 comprises a plurality of internal sleeve covers 30, inlet valve device 32 and the outlet cup device 34 that has cup 36.Also disclosed bottom guard apparatus 38, it comprises bottom guard shield 18 and inlet device 40 and outlet unit 42.Electronic installation 44 is securely fixed in the guard shield 18 of bottom, and its details will describe in detail below.When water treatment system 10 was assembled fully, these elements were fixedly mounted on bottom guard shield 18, rear portion guard shield 20, anterior guard shield 22, top shields 24, inner sleeve guard shield 26 and the lens 28.Magnetic retainer 46 and magnet 48 also are placed in the top shields 24 of preferred embodiment.
Referring to Fig. 2 B, ultraviolet lamp device 14 generally comprises base component 50, secondary coil 52, bottom support parts 54, top braces device 56, a pair of quartz sleeve 58, ultraviolet lamp 60, O shape circle 62 and a pair of crew-served encapsulation reflector parts 64.In general, secondary coil 52, base support means 54 links to each other with base component 50 with encapsulation reflector parts 64.Encapsulation reflector parts 64 holds a pair of silica tube 58, ultraviolet lamp 60 and O shape circle 62.When ultraviolet lamp device 14 was assembled fully, top braces device 56 was assemblied in the over top of encapsulation reflector parts 64 securely.
Shown in Fig. 2 C, filter for installation 16 generally comprises base unit 66, filtering bodies device 68, filter body 70 and elastomeric filter body clamping device 72.In general, filtering bodies device 68 is assemblied in base unit 66 tops, and base unit 66 is encapsulated in the filter body 70.Filter body clamping device 72 is assemblied on the top of filter body, so as to clamping preferably is provided, so that moving filter device housing 70.Filter for installation 66 filters current by filtering bodies device 68 by guiding current before current are guided into ultraviolet lamp device 14.
Referring to Fig. 3, the present invention discloses a kind of electronic system 100 that is used for water treatment system 10, the explanation in the above of its general status.In a preferred embodiment, 102 controls of water treatment system 10 controlled devices, it is microprocessor preferably.As shown in the figure, control device 102 is electrically connected by induction coupling ballast circuit 103 and ultraviolet lamp device 14.Described control device 102 also is electrically connected by two-way wireless communication and ultraviolet lamp device 14, and this also will describe in detail below.During operation, control device 102 can produce the predetermined electric signal that is sent to induction coupling ballast circuit, its instantaneous ground exciter lamp device 14, and then, lamp device 14 provides high-intensity UV-light, is used to handle current.
In a preferred embodiment, control device 102 also and flow detector circuit 104, display unit 106, ambient light detectors circuit 108, visible light detector circuit 110, power sense circuit 112, envrionment temperature detector circuit 114, sound generating circuit 116, storing device 118, communication port 120, barretter reaction circuit 122 and radio-frequency recognition system 124 are electrically connected.As shown in Figure 3, UV-light radio-frequency identification transponder 126 links to each other with ultraviolet lamp device 14, and strainer radio-frequency identification transponder 128 links to each other with filter for installation 16.UV-light radio-frequency identification transponder 126 uses two-way wireless communication to communicate by letter with radio-frequency recognition system 124 with strainer radio-frequency identification transponder 128, and this will describe in detail below.
In general, flow detector circuit 104 controlled devices 102 are used for determining the time of water or fluid flow, and keep following the tracks of water or the fluidic volume of being handled by water treatment system 10.Display unit 106 is used for showing information about the state of water treatment system 10 by control device 102.Can use some kinds of dissimilar display unit in the prior art in the present invention, but, preferred display unit is a vacuum fluorescent display device.The quantity of ambient light detectors circuit 108 measure ambient light, and provide electrical signal to control device 102 then, make it can correspondingly adjust the intensity of display unit 106.
Visible light detector circuit 110 provides electrical signal about the light intensity value of being sent by ultraviolet lamp device 14 to control device 101.This is important, because these signals make control device 102 can increase or reduce the intensity of the electromagnetic radiation of being sent by ultraviolet lamp device 14.Those skilled in the art are to be understood that, visible light detector circuit 110 can be replaced with different electromagnetic radiation detector circuit, and described detector circuit can detect the intensity of the electromagnetic radiation of being sent by the various launcher of electromagnetic radiation that can be used for the present invention.
The electrical signal that power sense circuit 112 provides the power supply of expression water treatment system 10 to have or not to control device 102.Power supply is provided to water treatment system 10 by external power source by for example conventional supply socket.It will be appreciated by those skilled in the art that circuit, and the power that response consumes provides corresponding electrical signal with different supervision external power sources.
Envrionment temperature detector circuit 114 is measured atmospheric envrionment temperature, makes water treatment system 10 can maintain temperature value above freezing, perhaps keeps certain predefined temperature value.Control device 102 can encourage ultraviolet lamp 60, so that produce heat when needed.Sound generating circuit 116 is used to produce the sense of hearing by control device 102 and represents.The described sense of hearing is represented generally to take place during the system state that water treatment system 10 stands to be scheduled to.These predetermined system states are by control device 102 identifications, and then, control device 102 starts sound generating circuit 116, thereby produces the indication that can listen.
As previously mentioned, storing device 118 also is electrically connected with control device 102.Storing device 118 be used to store with water treatment system 10 with and the relevant relevant various data values of element.In a preferred embodiment of the invention, storing device 118 is other equivalent storing devices of EEPROM or some.It will be appreciated by those skilled in the art that it is available can be used for various storing device of the present invention.
In preferred embodiment shown in Figure 3, radio-frequency recognition system 124 uses from the signal of UV-light radio-frequency identification transponder 126 and strainer radio-frequency identification transponder 128 and reports various information to control device 102.During operation, UV-light radio-frequency identification transponder 126 uses wireless to communicate by letter with radio-frequency recognition system 124 with strainer radio-frequency identification transponder 128.Because ultraviolet lamp device 14 and filter for installation 16 are designed to can change when finishing its work-ing life, each ultraviolet lamp device 14 and filter for installation 16 contain the transponder 126,128 of the customizing messages of storing each device.It will be appreciated by those skilled in the art that the UV-light radio frequency transponder can be used in combination with other emitter of electromagnetic radiation part or device.Radio-frequency recognition system 124 will describe in detail below.
Referring to Fig. 4, in current preferred embodiment of the present invention, ultraviolet lamp device 14 is encouraged by the induction coupling ballast circuit 103 with control device 102 electrical connections.Induction coupling ballast circuit 103 is a kind of self-oscillatory half-bridge switch structures, and it is worked under high frequency, and instantaneous ultra violet lamp is provided actually.In addition, use MOSFET to reach resonance easily as induction coupling ballast circuit 103 self-sustained oscillations of switching element, it is designed to be applicable to the air-core transformer coupled structure, and this has simplified the structure of ultraviolet lamp device 14.Because by the air-core transformer coupled structure that induction coupling ballast circuit 103 forms, this ultraviolet lamp device 14 or other launcher of electromagnetic radiation are changed easily.It will be appreciated by those skilled in the art that induction coupling ballast circuit 103 also is suitable for as general ballast circuit.
As shown in Figure 4, induction coupling ballast circuit 103 comprises pilot circuit 142, vibrator 144, driving mechanism 146, half-bridge switch circuit 148, series resonant tank 150, secondary coil 52 (see figure 2)s, resonant lamp circuit 152 and ultraviolet lamp 60.Vibrator 144 and control device 102 are electrically connected, and described control device is by providing the electrical signal driving oscillator 144 of the described vibrator of excitation to pilot circuit 142.During operation, vibrator 144 provides electrical signal to driving mechanism 146, then, half-bridge switch circuit 148 is energized.Half-bridge switch circuit 148 excitation series resonant tank 150, series resonant tank 150 are then with the ultraviolet lamp 60 in the induction mode excitation ultraviolet lamp device 14.
Also as shown in Figure 4, ultraviolet lamp device 14 is holding secondary coil 52, resonant lamp circuit 152 and ultraviolet lamp 60, and electronic installation 44 (Fig. 2) comprises pilot circuit 142, vibrator 144, driving mechanism 146, half-bridge switch circuit 148 and series resonant tank 150 simultaneously.As previously mentioned, in case series resonant tank is energized, secondary coil 52 in the ultraviolet lamp device 14 just becomes excitation induced.In a preferred embodiment, the resonant frequency of ballast circuit 103 approximately is 100kHz.Like this, the secondary coil in ultraviolet lamp device 14 52 is also greatly about 100kHz resonance.As previously mentioned, can adjust the resonant frequency of operation by control device 102 up and down, so that adapt to conventional selection of components.In addition, the element control that resonant frequency is also selected in series resonant tank 150, this will describe in detail below.
Referring now to Fig. 5,, pilot circuit 142 and control device 102 and vibrator 144 are electrically connected.Pilot circuit 142 comprises a plurality of resistance 156,158,160,162,164,166, a plurality of electrical condensers 168,170,172, diode 174, the first operational amplifiers 176, the second operational amplifiers 178.As shown in the figure, resistance 156 links to each other with resistance 158 with the output of first direct current (" DC ") power supply 180, control device 102.Resistance 158 is gone back and diode 174, and resistance 160 and resistance 168 link to each other.First direct supply 180 links to each other with electrical condenser 168, and electrical condenser 168 also links to each other with diode 174.Diode 174 also links to each other with ground link 182, understands as those skilled in the art.The negative input of resistance 160 and operational amplifier 176 and the positive input of operational amplifier 178 link to each other, thereby finish from control device 102 to operational amplifier 176,178 current path.
Referring to pilot circuit shown in Figure 5 142, resistance 162 links to each other with second direct supply 184 once more, and and resistance 164,166 series connection.Resistance 166 links to each other with ground link 182 and electrical condenser 170, and electrical condenser 170 links to each other with direct supply 180 and resistance 164 again.The positive input of operational amplifier 176 is electrically connected between resistance 162 and 164, and this provides DC reference voltage to operational amplifier 176 during operation.The negative input of operational amplifier 178 is electrically connected between resistance 164 and 166, and this provides DC reference voltage to operational amplifier 178 during operation.The output of operational amplifier 176,178 links to each other with vibrator 144, and this describes in detail below.
During operation, the electrical signal that pilot circuit 142 receives from control device 102, then, it is as window comparator, making and to have only when just changing when the input voltage of control device 102 generations is in certain voltage window, is AC signals from the preferred signal of control device 102, and described AC signal is with its duty cycle signals, make control device 102 can pass through all the other element switches and the disconnection ultraviolet lamp 60 of induction coupling ballast circuit 103, as described below.Pilot circuit 142 also prevents false triggering, and makes it possible to carry out positive regulation when control device 102 faults.
As shown in Figure 5, first direct supply 180 and 184 pairs of electric currents shown in Figure 5 of second direct supply provide power supply.The technician of electronic circuit field should be appreciated that described DC power supply circuit knows in described field, and has exceeded scope of the present invention.In order to realize purpose of the present invention, be important to note that sort circuit exists, and can be designed, so that produce various dc voltage values by given interchange or direct supply.In a preferred embodiment of the invention, use+14VDC and+signal of 19VDC, shown in whole accompanying drawing.It will be appreciated by those skilled in the art that the circuit that Fig. 5 discloses can be designed to operate under different volts DSs, and these values should be as limitation of the present invention.
In preferred embodiment shown in Figure 5, the output of pilot circuit 142 links to each other with interlock circuit 190, thereby prevents that ultraviolet lamp 60 is not energized when water treatment system 10 is correctly assembled.Interlock circuit 190 comprises magnetic interlock sensor 192, a plurality of resistance 193,194,196,198,200,202,204, transistor 206 and diode 208.Referring to Fig. 1, in a preferred embodiment of the invention, magnetic interlock sensor 192 is so arranged, and makes that water treatment system 10 will not encourage ultraviolet lamp 60 when top shields 24 is not fixed on the inner sleeve guard shield 26.But, it will be appreciated by those skilled in the art that magnetic interlock sensor 192 also can be placed in other suitable position of water treatment system 10.
Referring to Fig. 5, when magnetic interlock sensor 192 detected water treatment system 10 and correctly do not assembled, magnetic interlock circuit 190 connected 182 and operates by the output of pilot circuit 142 is input to ground connection by resistance 206, as mentioned above.Those skilled in the art are to be understood that, if water treatment system 10 is not correctly assembled, just the output of magnetic interlock sensor 192 produces the electric current of flow through resistance 194,196 and 198, thereby the grid of transistor 206 connects 182 short circuits so as to the output signal that makes pilot circuit 142 to ground connection.Magnetic interlock sensor 192 by 184 power supplies of second direct supply, and also is connected 182 continuous by resistance 193 with ground connection.In addition, magnetic interlock sensor 192 is by resistance 200,202 and 204, and the combination of diode 208, the first direct supplys 180 and second direct supply 184 sends signal to control device 102.Described signal also makes control device 102 can determine whether water treatment system 10 is correctly assembled.For this reason, interlock circuit 190 provides two kinds of methods, guarantees that ultraviolet lamp 60 is not energized when water treatment system 10 is correctly assembled.
Refer again to Fig. 5, vibrator 144 provides the electrical signal of excitation driver 146 when water treatment system 10 is being handled current.In case electrical signal sends from control device 102 by pilot circuit 142, vibrator 144 just begins operation immediately, as mentioned above.Preferred vibrator 144 comprises operational amplifier 210, linear bias resistance 212, buffer circuits 214, buffer zone feedback protection circuit 216 and positive-feedback circuit 218.During operation, operational amplifier 210 is from pilot circuit 142, linear bias resistance 212 and positive-feedback circuit 218 receiving inputted signals.Operational amplifier 210 also is connected 182 and links to each other with second direct supply 184 and ground connection, described second direct supply encourages described operational amplifier 210.
As shown in Figure 5, preferred buffer circuits 214 comprises the first transistor 220, transistor seconds 222 and a pair of resistance 224,226.The grid of the output of operational amplifier 210 and transistor 220,222 links to each other, so as to the operation of control transistor 220,222.Second direct supply 184 links to each other with resistance 224, and resistance 224 also links to each other with the collector electrode of transistor 220.The emtting electrode of the emtting electrode of transistor 220 and resistance 226, transistor 222 and the input of driving mechanism 146 link to each other.The collector electrode of transistor 222 is connected 182 and links to each other with ground connection.During operation, buffer circuits 214 bufferings are from the output signal of operational amplifier 210, and the prevention load changes the pulling oscillation frequency.In addition, buffer circuits 214 increases the actual gain of induction coupling ballast circuit 103, and this helps to guarantee the quick startup of vibrator 144.
Snubber feedback protection circuit 216 comprises pair of diodes 228,230, and the output of they and buffer circuits 214 is electrically connected by means of resistance 226.As shown in Figure 5, the negative electrode of second direct supply 184 and diode 228 links to each other.The negative electrode of the anode of diode 228 and diode 220 links to each other with resistance 226 and linear bias resistance 212.Linear bias resistance 212 provides the biasing feedback signal to the negative input of operational amplifier 210.In addition, the anode of diode 230 is connected 182 and links to each other with ground connection, and this finishes snubber feedback protection circuit 216.In the operating period of water treatment system 10, snubber reaction circuit 216 protection buffer circuits 214 do not feed back to the gate leakage Miller effect.
As shown in Figure 5, positive-feedback circuit 218 comprises first multiwinding transformer 232, a plurality of resistance 234,236,238, pair of diodes 240,242 and electrical condenser 244.The output and the series resonant tank 150 of the secondary side of transformer and half-bridge switch circuit 148 link to each other, as shown in Figure 5.In addition, another winding from the relative secondary coil in winding of each secondary coil of multiwinding transformer 232 and the transformer 232 links to each other.
The first elementary winding and the resistance 234,236,238 of transformer 232, diode 240,242, and the positive input of operational amplifier 210 links to each other.The second elementary winding and the resistance 238 of transformer 232, the negative electrode of diode 242, the anode of diode 240 and electrical condenser 244 link to each other.Like this, first, second secondary winding parallel connection of resistance 238 and diode 242,244 and transformer 232, as shown in Figure 5.Electric capacity 244 is gone back and the negative input of operational amplifier 210 is electrically connected.In addition, resistance 234 links to each other with second direct supply 184, and resistance 236 is connected 182 and links to each other with ground connection.Resistance 234,236 and 238 protection operational amplifiers 210 exempt from overcurrent, and diode 240,242 restrictions are sent to the feedback signal of the input terminus of operational amplifier 210.
During operation, vibrator 144 receives the signal to electrical condenser 244 chargings from pilot circuit 142, and then, described electrical condenser sends an electrical signal to the negative input of operational amplifier 210.The output of operational amplifier 210 is imported into driving mechanism 146, described driving mechanism excitation half-bridge switch circuit 148.As shown in Figure 5, transformer 232 is connected in this current path, and send electrical signal by the resistance 234,236 and 238 of restriction electric current to postbacking, and finally electrical signal is transmitted back to the input terminus of operational amplifier 210.Transformer 232 makes that vibrator 144 can self-sustained oscillation, and induction coupling ballast circuit 103 is kept vibration, closes water treatment system 10 up to control device 102, perhaps the input of the transistor 206 drop-down vibrators 144 of interlock circuit 190.
Refer again to Fig. 5, the output of vibrator 144 and driving mechanism 146 are electrically connected, and in the present embodiment, described driving mechanism comprises the first elementary winding of second multiwinding transformer 246.Second transformer 246 is preferred driving mechanisms 146, guarantees that half-bridge switch circuit 148 is alternately driven because the phase place of transformer 246 is arranged, this has been avoided the puncture conducting.The dual structure of electrical condenser 248,250 links to each other with the secondary winding of transformer 246, so as to stoping the direct current overcurrent takes place in the transistor 246.Electrical condenser 246 also is connected 182 and links to each other with ground connection, electrical condenser 250 also links to each other with second direct supply 184.
Two secondary winding and the half-bridge switch circuit 148 of transformer 246 are electrically connected, and described half-bridge switch circuit is during operation from transformer 246 received energies.As shown in Figure 5, half-bridge switch circuit 148 is arranged as a MOSFET totem half-bridge switch circuit 252 that is driven by two secondary coils of transformer 246 on electric.Described MOSFET totem half-bridge switch circuit 252 comprises first mosfet transistor 254 and second mosfet transistor 256, and this is better than conventional bipolar transistor circuit.Energy passes to mosfet transistor 254,256 by a plurality of resistance 258,260,262,264 from driving mechanism 146.Mosfet transistor 254,256 is designed to a soft switch under 0 electric current, and only has conduction loss during operation.The output that is produced by mosfet transistor 254,256 is more near the sinusoidal form, and it is compared with traditional bipolar transistor has less harmonic wave.Use mosfet transistor 254,256 also to have the advantage of the Radio frequency interference that minimizing produces by mosfet transistor 254,256 during operation when conversion.
In preferred half-bridge switch circuit 148 shown in Figure 5, first secondary winding of transformer 246 and resistance 258,260 link to each other.The second subprime winding of transformer 246 and resistance 262,264 link to each other.Resistance 260 links to each other with the grid of mosfet transistor 254, and resistance 264 links to each other with the grid of mosfet transistor 256.As shown in the figure, the emtting electrode of first secondary winding of transformer 246 and resistance 258 and mosfet transistor 254 links to each other.The grid of the secondary winding of transformer 246 and resistance 264 and mosfet transistor 256 links to each other.The collector electrode of mosfet transistor 254 links to each other with second direct supply 184, and the emtting electrode of mosfet transistor 254 links to each other with the collector electrode of mosfet transistor 256.The emtting electrode of mosfet transistor 256 and resistance 262 are connected 182 and link to each other with ground connection.
Another advantage of driving mechanism 146 is that multiwinding transformer 246 is a kind of very common devices, and being used for provides the grid voltage that surpasses second direct supply 184 to mosfet transistor 254,256, this be one in order to operate necessary condition effectively.Mosfet transistor 254,256 provides other advantage, because have diode inherently in its structure, is used to protect MOSFET totem half-bridge switch circuit 252 to avoid the influence of load transient.In addition, when load changes, return supply lead by the inherent diode in mosfet transistor 254,256 by the superpotential of series resonant tank 150 reflections.
Referring to Fig. 5, the output of half-bridge switch circuit 148 links to each other with the input of series resonant tank 150, and described series resonant tank then encourages the secondary coil 52 of ultraviolet lamp device 14 with induction mode.As mentioned above, in a preferred embodiment of the invention, the output of the positive-feedback circuit of vibrator 144 and half-bridge switch circuit 148 and the input of series resonant tank 150 link to each other, and being used for during operation providing feedback to the operational amplifier 210 of vibrator 144.But, the output of half-bridge switch circuit 148 links to each other by the secondary coil of transformer 232 and the input of series resonant tank 150, as shown in Figure 5.
Referring to Fig. 5, series resonant tank 150 comprises induction coupling 270, the parallel connection combination of a pair of energy storage capacitor 271,272, pair of diodes 274,276 and electrical condenser 278.The secondary coil of induction coupling 270 and transformer links to each other, and is connected between the reservoir capacitance 271,272.Reservoir capacitance 271 also links to each other with second direct supply 184, and reservoir capacitance 272 also is connected 182 and links to each other with ground connection.In addition, reservoir capacitance 271 links to each other with the anode of second direct supply 184 and diode 274.Both link to each other the negative electrode of diode 274 and electrical condenser 278 with second direct supply 184.The anode of electrical condenser 278 and diode 276 and ground connection are connected 182 and link to each other.Reservoir capacitance 272 also links to each other with the negative electrode of diode 276.
Be important to note that series resonant tank 150 bears all stray inductances of the unit construction of induction coupling ballast circuit 103.This is important, because will greatly limit power supply transient under any condition of resonance outside as the stray inductance of the combination inductance that is born by series resonant tank 150.The inductance of secondary coil 52 and resonance circuit for lamp 152 is also reflected by resistance value, and described resistance value helps to determine and limit the power of the secondary coil 52 that is provided for ultraviolet lamp device.In general, because spuious and reflection inductance, forced vibration device/transformer combination has power transmission restriction.In other words, the inductance of transformer and electrical condenser is placed in-line in load.
The operating frequency of series resonant tank 150 is set to about 100KHz, and this determines that by the inductance of induction coupling 270 and the shunt capacitance value of energy storage capacitor 271,272 described electrical condenser is 0 in a preferred embodiment, 1uF.Energy storage capacitor 271,272 must have low dissipation factor, and can handle big current value, and described electric current is 14 amperes when starting.Described resonant frequency can be adjusted up and down, and selected, makes it possible to select for use conventional element.
Referring to Fig. 2 A, when water treatment system 10 was assembled, the secondary coil 52 of ultraviolet lamp device 14 was set at out in cup 36 and the inner sleeve guard shield 26.In a preferred embodiment, secondary coil 52 has the lead of 55 circle minor diameters, and these leads are wrapped in the secondary coil 52 of about 2 inches diameter.The connection that is important to note that out cup 36 and holds between the base unit 50 of secondary coil 52 is designed to have big air gap franchise and non-aligned franchise.In fact, described gap is used to adjust percentage coupling, so as to adjusting the working point of ultraviolet lamp 60.In addition, because induction coupling ballast circuit 103, the present invention provides other advantage by the connection of the specific contact that does not need ultraviolet lamp device 14 is provided.
Those skilled in the art obviously as can be seen, the induction coupling ballast circuit 103 that proposes above can easily be included in other lighting system, and the advantage of the ballasting circuit that is better than prior art is provided, because it does not need physical connection just can drive lamp.This makes ultraviolet lamp device 14 in a single day reach its operation lifetime and just can easily be replaced.Induction coupling ballast circuit 103 can encourage some kinds of dissimilar lamps or bulb instantaneously.
Refer again to Fig. 5, the induction coupling 270 and the control device 102 of barretter reaction circuit 122 and series resonant tank 150 are electrically connected.When induction coupling ballast circuit 103 drove ultraviolet lamp 60,122 pairs of control device 102 of barretter reaction circuit provided feedback.This makes control device 102 can control the energy that is offered the secondary coil of ultraviolet lamp device 14 by induction coupling 270.This makes control device 102 can determine whether ultraviolet lamp device 60 is switched on, and in addition, in other embodiments, can also determine to be added on the quantity of the electric current and the voltage of ultraviolet lamp 60.
As shown in Figure 5, barretter reaction circuit 122 comprises operational amplifier 280, a pair of resistance 282,284, pair of diodes 286,288 and electrical condenser 290.Be sent to the anode of diode 286 from the signal of series resonant tank 150.The negative electrode of diode 286 links to each other with electrical condenser 290 and resistance 282.In addition, the positive input of anode, resistance 284 and the operational amplifier 280 of resistance 282 and diode 288 links to each other.Resistance 284 also links to each other with the positive input and the direct supply 180 of operational amplifier 280.Electrical condenser 290 also links to each other with first direct supply 180, and the negative electrode of diode 288 links to each other with second direct supply 184 simultaneously.The negative input of operational amplifier 280 directly links to each other with the output of operational amplifier 280.The output of operational amplifier 280 links to each other with control device 102, so as to providing feedback signal by operational amplifier 280 to control device 102.
Referring to Fig. 6, ultraviolet lamp device 14 comprises ultraviolet lamp 60, resonant lamp circuit 152 and secondary coil 52.Ultraviolet lamp 60 comprises a pair of bulb 300,302 and a pair of filament 304,306.Bulb 300,302 utilization go up connect support 308 with under be connected support 310 and be held togather.Secondary coil 52 links to each other with resonance circuit for lamp 152, and described resonant lamp circuit is continuous with the filament 304,306 of ultraviolet lamp 60 again.Resonant lamp circuit 152 comprises the electrical condenser 312 that is electrically connected with starter circuit 314.
Though a kind of ultraviolet lamp device 14 has been proposed in a preferred embodiment of the invention, as previously mentioned,, it will be understood by those of skill in the art that the launcher of electromagnetic radiation that can use other in the present invention.For example, ultraviolet lamp device 14 can use the white light or the insulation barrier discharge lamp of pulse, is used for killing and wounding the microorganism of current.It will be appreciated by those skilled in the art that induction coupling ballast circuit 103 can be used to drive can be used for dissimilar launcher of electromagnetic radiation of the present invention.Thereby the present invention should not be only limited to and cover the water treatment system of using the ultraviolet lamp device 14 that comprises ultraviolet lamp 30.
As shown in Figure 7, starter circuit 314 comprises bridge rectifier circuit 320, silicon-controlled rectifier 322, the diode 324,326,328 that is connected in series, 330, triacs 332, a plurality of transistors 334,336, a plurality of resistance 338,340,342,344,346 and a plurality of electrical condenser 348,350.It will be appreciated by those skilled in the art that triode ac switch 332 can be the device of any equivalence, for example FET transistor or silicon-controlled rectifier.In addition, it will be appreciated by those skilled in the art that bridge rectifier circuit 320 comprises a plurality of diodes 352,354,456,358, the filament 304,306 of they and ultraviolet lamp 60 links to each other.
Referring to Fig. 7, bridge rectifier circuit 320 is connected 182 and links to each other with silicon-controlled rectifier 322, resistance 338 and ground connection.Silicon-controlled rectifier 322 also links to each other with the diode 324,326,328,330 and the triode ac switch 332 that are connected in series, and they also are connected 182 and link to each other with ground connection.Resistance 338 links to each other with triode ac switch 332, resistance 340 and resistance 342.The collector electrode of resistance 340 and transistor 334, the grid of transistor 336, electrical condenser 348 and resistance 344 link to each other.Electrical condenser 348 also is connected 182 with resistance 344 and links to each other with ground connection.The emtting electrode and the electrical condenser 350 of resistance 342 and transistor 336 link to each other, and they also are connected 182 and link to each other with ground connection.Triode ac switch 332 links to each other with the emtting electrode of transistor 334, and the collector electrode and the resistance 346 of the grid of transistor 334 and transistor 336 link to each other.Thereby resistance 346 is connected the 182 continuous starter circuits 314 of finishing with ground connection.
Refer again to Fig. 6, during operation, the reflected impedance that induction coupling 270 (see figure 5)s of electrical condenser 312 by series resonant tank 150 change ultraviolet lamp 60 changes and limits the electric current that offers ultraviolet lamp 60.Starter circuit 314 is designed in starting period chien shih filament 304,306 short circuits, obtains maximum preheating so as to making bulb 300,302.This makes ultraviolet lamp 60 can make the mercury dispersion discharge of the maximum in the bulb 300,302, thereby produces the maximal ultraviolet light intensity, and provides the UV-light of maximum dose level during by ultraviolet lamp device 14 to water when water.In other words, starter circuit 314 is designed like this, makes ultraviolet lamp 60 light immediately under maximum strength.In order to obtain maximum output, the position of the mercury in bulb 300,302 is important.When mercury condensed in the plasma path, mercury distributed more evenly in bulb 300,302.Scatter faster and also make it possible to reach quickly peak strength, when starting, can give current faster stronger UV-light dosage so as to making.
Referring to Fig. 2 B, O shape circle 62 expressly is arranged between the plasma path of the path of the water that flows through a pair of silica tube 58 and ultraviolet lamp 60 as scatterer, thereby mercury can be condensed in the plasma path, so that improve instantaneous UV-light output.When ultraviolet lamp 60 was energized, the voltage of entire circuit was added on electrical condenser 312, on filament 304,306 and the starter circuit 314.Because filament 304,306 and when starting as the low resistance value of the starter circuit 314 of short circuit, the electric current of generation is very big, so that farthest make ultraviolet lamp 60 preheatings.This makes ultraviolet lamp 60 preheatings, so that disperse some initial mercurys when starting.When starter circuit 314 adstante febres, the RC time constant of starter circuit 314 discharges the short circuit device, and described short circuit device is triode ac switch in a preferred embodiment, is added on the filament 304,306 so as to making whole voltages.Starter circuit 314 makes it possible to start better than temperature-sensitive resistance, because thermistor consumes more energy after disconnecting, and can not disconnect apace.
Referring to Fig. 8, wherein show the preferred radio-frequency recognition system 124 that is electrically connected with control device 102.Radio-frequency recognition system 124 uses base station and UV-light radio-frequency identification transponder 126 and strainer radio-frequency identification transponder 128 to communicate.Radio-frequency recognition system 124 makes it possible to read non-contactly and write data, and described data are transmitted between base station 360 and transponder 126,128 two-wayly.In a preferred embodiment, radio-frequency recognition system 124 is made by TEMIC semiconductor company, and model is TR5551A-PP.
Radio-frequency recognition system 124 controlled devices 102 are used to keep following the tracks of the customizing messages of each ultraviolet lamp device 14 and filtration unit 16.As previously mentioned, ultraviolet lamp device 14 and filtration unit 16 boths are configured to easy replacing.Because UV-light radio-frequency identification transponder 126 and strainer radio-frequency identification transponder 128 are positioned at ultraviolet lamp device 14 or filtration unit 16, so these devices separate never, this makes control device 102 to write and read out information by the 360 pairs of transponders 126,128 in base station.
Refer again to Fig. 8, UV-light radio-frequency identification transponder 126 comprises transponder antenna 362 and read-write IDIC (e5551) chip 364.Read-write IDIC (e5551) chip also comprises EEPROM device 366, and it physically stores the relevant information of each ultraviolet lamp device 14 in the storage location.In current preferred embodiment, described information comprises the ultraviolet lamp sequence number, ultraviolet lamp starts restriction, ultraviolet lamp restriction time of setting up a call, the restriction of ultraviolet lamp settling time, ultraviolet lamp circulates time of setting up a call, Recycle design low temperature, minimum ultraviolet lamp time of setting up a call, high mode time of ultraviolet lamp and ultraviolet lamp warm up time.In addition, the EEPROM366 in UV-light radio-frequency identification transponder 126 makes that control device 102 can keep following the tracks of the ultraviolet lamp settling time, and ultraviolet lamp conduction time, ultraviolet lamp starts and total ultraviolet lamp cold start-up.
The ultraviolet lamp sequence number is unique for each ultraviolet lamp device 14, and makes the control device 102 of water treatment system 10 can keep tracking which ultraviolet lamp device 14 has been installed in water treatment system 10.Ultraviolet lamp startup restriction relates to the maximum ultraviolet lamp number of starts that allows, and ultraviolet lamp restriction time of setting up a call relates to the settling time of the maximum permission of ultraviolet lamp 60.The maximum that the restriction of ultraviolet lamp settling time relates to ultraviolet lamp device 14 can allow the settling time, and ultraviolet lamp circulates and relates to the minimum time quantum that ultraviolet lamp 60 need be energized under the low temperature mode time of setting up a call.Recycle design low temperature information relates to such temperature value, and water treatment system 10 converts the low temperature mode under this temperature, and minimum ultraviolet lamp relates to ultraviolet lamp 60 time of setting up a call must keep the minimum time amount that is energized.The high mode temporal information of ultraviolet lamp relates to the time quantum that ultraviolet lamp 60 is worked under high mode, ultraviolet lamp relates to the time quantum that ultraviolet lamp 60 need be preheated warm up time.
As previously mentioned, the EEPROM in UV-light radio-frequency identification transponder 126 can also keep following the tracks of the settling time of ultraviolet lamp.The current ultraviolet lamp 60 of this information trace is loaded into the hours in the water treatment system 10.In a preferred embodiment, ultraviolet lamp 60 was inserted in the water treatment system 10 one minute, and then total time increases by one minute.EEPROM device 336 also keeps following the tracks of the conduction time of ultraviolet lamp and total ultraviolet lamp conduction time.Ultraviolet lamp conduction time and total ultraviolet lamp keep following the tracks of the time quantum that ultraviolet lamp 60 is switched on conduction time, make control device 102 can determine whether to need to install new ultraviolet lamp device 14.Ultraviolet lamp starts the number of times that storage location store ultraviolet lamp 60 has been activated, makes control device 102 can use this information to determine whether the life-span of ultraviolet lamp 60 terminates.The number of times that ultraviolet lamp 60 is activated when predetermined threshold value is following at envrionment temperature detector 114 indicated temperatures is followed the tracks of in total ultraviolet lamp cold start-up storage location.
Refer again to Fig. 8, strainer radio-frequency identification transponder 128 comprises transponder antenna 368 and read-write IDIC (e5551) chip 370.Read-write IDIC (e5551) chip also comprises EEPROM device 372, and it stores the relevant information of each filter for installation 16 physically in the storage location.In current preferred embodiment, relevant information comprises the sequence number of filter for installation, the capacity limitation of filter for installation, the restriction of filter for installation settling time, and the filter for installation thresholding percentage ratio that inserts.
The filter for installation sequence number is used for discerning different filter for installation 16 uniquely, makes control device 102 to monitor which filter for installation 16 has been installed in water treatment system 10.It is relevant that filter for installation capacity limitation and filter for installation are designed in the volume that reaches the filtering water of its end-of-life front filter device.The restriction of filter for installation settling time is used for by control device 102 according to the predetermined residual life that allows to soak Time Calculation filter for installation 16.The filter for installation thresholding percentage ratio that inserts contains maximum admissible flow minimizing percentage ratio before filter for installation 16 need be replaced.The percentage ratio of filter for installation 16 deteriorations before this wrong controlled device 102 that is included in the filter for installation 16 of insertion is found.
Radio-frequency recognition system 124 comprises base station 360, coil 380, a plurality of diodes 382,384,386,388,390,392,394, a plurality of resistance 396,398,400,402,404,406,408,410,412,414,416,418,420, and a plurality of electrical condensers 422,424,426 that connect according to Fig. 8,428,430,432,434,436.The connection that it will be appreciated by those skilled in the art that above-mentioned element is well known to those skilled in the art.Radio-frequency recognition system 124 has used the standard that proposes for TK5551A-PP to be installed in the water treatment system 10, and as previously mentioned, it is made by TEMIC semiconductor company.For realizing the present invention, be important to note that base station 360 use coils 380 and UV-light radio-frequency identification transponder 126 and strainer radio-frequency identification transponder 128 carry out two-way communication.
The recognition system that it will be appreciated by those skilled in the art that other for example contact-type recognition system also can be used for the present invention.But, presently preferred embodiment of the present invention is used radio-frequency recognition system 124, because this system can provide its inherent advantage.
Referring to Fig. 9, flow detector circuit 104 links to each other with control device 102, and being used for provides expression water by water treatment system 10 mobile electrical signal to control device 102.Described flow detector circuit 104 comprises flow detector 440, a plurality of electrical condensers 442,444 and resistance 446.Flow detector is made by Allegro, and model is 3134.Electrical condenser 442 and flow detector 440, the first direct supplys 180, and second direct supply 184 links to each other.With before control device 102 is connected, the output of flow detector 440 links to each other with the parallel connection combination of electrical condenser 444 with resistance 446.Resistance 446 also links to each other with second direct supply 184 with electrical condenser 444.During operation, flow detector 440 provides electrical signal to control device 102, and described electrical signal represents that water just flows in water treatment system 10, thereby control device 102 is powered at once to ultraviolet lamp 60.It will be appreciated by those skilled in the art that disclosed flow detector circuit 104 can have many changes, thereby disclosed flow detector circuit 104 example just, be not construed as limiting the invention.
Referring to Figure 10, ambient light detectors circuit 108 comprises photodiode 450, operational amplifier 452, and a plurality of resistance 454,456,458,460, diode 462, and electrical condenser 464, they are electrically connected as shown in the figure.For realizing the present invention, notice that the following fact is just enough: photodiode 450 provides electrical signal to the negative input of operational amplifier 452, and then, operational amplifier is regulated described signal, for use in control device 102.Ambient light detectors circuit 108 is by first DC power supply circuit 180 and 184 power supplies of second DC power supply circuit.The structure that it will be appreciated by those skilled in the art that ambient light detectors circuit 108 can change, and the preferred embodiment that discloses should be as restriction of the present invention now.
Referring to Figure 11, as previously mentioned, visible light detector circuit 110 links to each other with control device 102, so that provide electrical signal corresponding to the intensity of ultraviolet lamp 60 to control device 102 during operation.In a preferred embodiment, visible light detector circuit 110 comprises photovaristor 470, operational amplifier 472, and diode 474, a plurality of resistance 476,478,480,482,484,486 and electrical condenser 488, they are electrically connected according to shown in Figure 11.In addition, visible light detector circuit 110 is by first direct supply 180 and 184 power supplies of second direct supply.It will be appreciated by those skilled in the art that visible light detector circuit 110 gets the electrical signal that is produced by photovaristor 470, and utilize operational amplifier 472, be input to control device 102 then its amplification.In addition, it will be appreciated by those skilled in the art that the structure of visible light detector circuit 110 can change, what disclose only is an example herein, should be as limitation of the present invention.
Referring to Figure 12, as previously mentioned, preferred envrionment temperature detector circuit 114 links to each other with control device 102, and the electrical signal that provides the corresponding change with envrionment temperature to change to control device 102 is provided.Envrionment temperature detector circuit 114 comprises thermistor 490, operational amplifier 492, and a plurality of resistance 494,496,498 and electrical condenser 500, they are electrically connected as shown in figure 12.During operation, the volts lost on thermistor 490 changes with the change of envrionment temperature, increases or reduces so as to making the electrical signal that sends to control device 102 from the output of operational amplifier 492.The structure that it will be appreciated by those skilled in the art that envrionment temperature detector circuit 114 can change.Envrionment temperature detector circuit 114 shown in Figure 12 only is an example, should not be construed as limiting the invention.
Referring to Figure 13, as previously mentioned, preferred sound generating circuit 116 links to each other with control device 102, is used for producing the expression that can listen according to predetermined system state.Preferred sound generating circuit 116 comprises piezoelectric element 510, a plurality of transistors 512,514,516, and a plurality of resistance 518,520,522,524,526,528,530,532,534, a plurality of electrical condensers 536,538, diode 540, they are electrically connected according to shown in Figure 13.Those skilled in the art find out that easily control device 102 can encourage piezoelectric element 510, produce the sound that can listen by vibration so as to making piezoelectric element 510.It will be appreciated by those skilled in the art that device and circuit so as to many generation sub-audible sound.The sound generating circuit 116 that discloses now is an example just, should not be construed as limiting the invention equally.
Referring to Figure 14, as previously mentioned, communication port 120 links to each other with control device 102.Communication port 120 is used for by control device 102 that for example Personal Computer or hand-held device carry out two-way communication with the peripheral unit (not shown).In a preferred embodiment, communication port 120 comprises a plurality of Zener diodes 550,552,554 and a plurality of resistance 556,558,560,562,566,568,570, and they are electrically connected according to shown in Figure 14.First direct supply 180 and second direct supply 184 provide power supply to communication port 120.Communication port 120 is designed to use the RS-232 communication standard, and this knows in the art.Port connector 572 is provided, makes peripheral unit to link to each other with communication port 120.It will be appreciated by those skilled in the art that and can use dissimilar communication ports, this does not belong to scope of the present invention.So the preferred communication port 120 that discloses is an example just, should not be construed as limiting the invention herein.
Though the present invention is illustrated with its current best operating method and embodiment,, those skilled in the art obviously it is contemplated that out other operating method of the present invention and embodiment.In addition, though the preferred embodiments of the present invention, it will be appreciated by those skilled in the art that the present invention at water treatment system 10 can easily be included in many dissimilar fluid handling systems.
Claims (59)
1. method that is used for providing at fluid handling system (10) electromagnetic radiation may further comprise the steps:
Utilize control device (102) to produce predetermined electric signal;
Described predetermined electric signal is input to induction coupling ballast circuit (103); And
According to encouraging emitter of electromagnetic radiation part (60) in the described induction coupling ballast circuit (103) with induction mode from the described predetermined electric signal of described control device (102).
2. the method for claim 1, wherein said emitter of electromagnetic radiation part (60) is a ultraviolet lamp.
3. the method for claim 1, wherein said emitter of electromagnetic radiation part (60) is the pulse white light.
4. the method for claim 1, wherein said emitter of electromagnetic radiation part (60) is the insulation barrier discharge lamp.
5. the method for claim 1, wherein said induction coupling ballast circuit (103) comprises pilot circuit (142), vibrator (144), driving mechanism (146), half-bridge switch circuit (148), series resonant tank (150), secondary coil (52), resonant lamp circuit (152) and emitter of electromagnetic radiation part (60).
6. method as claimed in claim 5, wherein said series resonant tank (150) and described secondary coil (52) induction coupling.
7. method as claimed in claim 5, wherein said vibrator (144) comprises buffer circuit (214), is used to stop load variations to spur the frequency of described vibrator (144).
8. method as claimed in claim 5, wherein said driving mechanism (146) comprises multiwinding transformer (246).
9. method as claimed in claim 5, wherein said half-bridge switch circuit (148) comprises MOSFET half-bridge switch circuit (252).
10. method as claimed in claim 5, wherein said series resonant tank (150) comprises induction coupling (270), a pair of energy storage capacitor (271,272), pair of diodes (274,276), and electrical condenser (278).
11. method as claimed in claim 5, wherein said resonant lamp circuit (152) comprise electrical condenser (312) and drive circuit (314).
12. the method for claim 1 also comprises by a barretter reaction circuit (122) and described induction coupling ballast circuit (103) and described control device (102) are electrically connected a feedback signal being input to the step of described control device (102).
13. method as claimed in claim 12 also comprises according to described feedback signal and utilizes described control device (102) to adjust the step of the intensity of described emitter of electromagnetic radiation part (60).
14. the method for claim 1 also comprises according to the signal from a flow detector circuit (104) and utilizes described control device (102) to produce the step of described predetermined electric signal.
15. a fluid handling system (10) comprising:
Control device (102);
With a launcher of electromagnetic radiation (14) induction coupled induction coupling ballast circuit (103); And
Wherein said induction coupling ballast circuit (103) is according to encouraging emitter of electromagnetic radiation part (60) in the described induction coupling ballast circuit (103) from a predetermined electric signal of described control device (102) with induction mode.
16. fluid handling system as claimed in claim 15 (10), wherein said launcher of electromagnetic radiation (14) is removable.
17. fluid handling system as claimed in claim 15 (10), wherein said emitter of electromagnetic radiation part (60) is a ultraviolet lamp.
18. fluid handling system as claimed in claim 15 (10), wherein said emitter of electromagnetic radiation part (60) is the pulse white light.
19. fluid handling system as claimed in claim 15 (10), wherein said emitter of electromagnetic radiation part (60) is the insulation barrier discharge lamp.
20. fluid handling system as claimed in claim 15 (10), wherein said induction coupling ballast circuit (103) comprises pilot circuit (142), vibrator (144), driving mechanism (146), half-bridge switch circuit (148), series resonant tank (150), secondary coil (52), resonant lamp circuit (152) and described emitter of electromagnetic radiation part (60).
21. fluid handling system as claimed in claim 20 (10), wherein said series resonant tank (150) and described secondary coil (52) induction coupling are used to encourage described emitter of electromagnetic radiation part (60).
22. fluid handling system as claimed in claim 20 (10), wherein said vibrator (144) comprises buffer circuit (214), is used to stop load variations to spur the frequency of described vibrator (144).
23. fluid handling system as claimed in claim 20 (10), wherein said driving mechanism (146) comprises multiwinding transformer (246).
24. fluid handling system as claimed in claim 20 (10), wherein said half-bridge switch circuit (148) comprises MOSFET half-bridge switch circuit (252).
25. fluid handling system as claimed in claim 20 (10), wherein said series resonant tank (150) comprises induction coupling (270), a pair of energy storage capacitor (271,272), pair of diodes (274,276), and electrical condenser (278).
26. fluid handling system as claimed in claim 20 (10), wherein said resonant lamp circuit (152) comprise electrical condenser (312) and starter circuit (314).
27. fluid handling system as claimed in claim 15 (10), also comprise a flow detector circuit (104) that is electrically connected with described control device (102), wherein said flow detector circuit is used to make the described induction coupling of described control device (102) excitation ballast circuit (103).
28. fluid handling system as claimed in claim 15 (10) also comprises the display unit (106) that is electrically connected with described control device (102).
29. fluid handling system as claimed in claim 15 (10) also comprises the electromagnetic radiation detector circuit (110) that is electrically connected with described control device (102).
30. fluid handling system as claimed in claim 29 (10), wherein said electromagnetic radiation detector circuit (110) is a visible light detector.
31. fluid handling system as claimed in claim 15 (10) also comprises the envrionment temperature detector circuit (114) that is electrically connected with described control device (102).
32. fluid handling system as claimed in claim 15 (10), also comprise the barretter reaction circuit (122) that is electrically connected with described induction coupling ballast circuit (103) and described control device (102), be used for providing feedback signal to described control device (102) during operation.
33. a method that is used for providing at fluid handling system (10) electromagnetic radiation may further comprise the steps:
Utilize a control device (102) to produce prearranged signal;
Described prearranged signal is input to is included in one and goes out the ballast circuit (103) that comprises induction coupling (270) in the cup (36);
In having a described inductive coupling apparatus that goes out cup (36) launcher of electromagnetic radiation (14) is set, wherein said launcher of electromagnetic radiation (14) comprises the secondary coil (52) that links to each other with emitter of electromagnetic radiation part (60); And
Encourage described emitter of electromagnetic radiation part (60) according to described prearranged signal from described control device (102), wherein said secondary coil (52) is encouraged with induction mode by described induction coupling (270), so as to encouraging described emitter of electromagnetic radiation part (60).
34. a fluid handling system (10) comprising:
Control device (102);
The ballast circuit (103) that links to each other with described control device (102), wherein said ballast circuit (103) are included in an induction coupling (270) that in the cup (36);
Launcher of electromagnetic radiation (14) with a secondary coil (52) that links to each other with emitter of electromagnetic radiation part (60); And
Wherein said induction coupling (270) encourages described secondary coil (52) according to the prearranged signal from described control device (102), so as to being activated at the described emitter of electromagnetic radiation part (60) in the described launcher of electromagnetic radiation (14).
35. a method that is used for providing at fluid handling system electromagnetic radiation may further comprise the steps:
Provide to have and go out the ballast circuit (103) that has induction coupling (270) in the cup (36) at one;
Place a removable launcher of electromagnetic radiation (14) in one and described described induction coupling (270) the induction coupled device that goes out in the cup (36), it comprises the secondary coil (52) that links to each other with emitter of electromagnetic radiation part (60); And
Encourage described induction coupling (270), so as to encouraging described secondary coil (52) with induction mode, thereby shine described emitter of electromagnetic radiation part (60).
36. a fluid handling system comprises:
Ballast circuit (103) with the induction coupling (270) in going out cup (36); And
Removable launcher of electromagnetic radiation (14), it has the secondary coil (52) that links to each other with an emitter of electromagnetic radiation part (60), in which during operation, described induction coupling (270) encourages described secondary coil (52) with induction mode, so as to encouraging described emitter of electromagnetic radiation part (60).
37. method as claimed in claim 33 wherein is provided with described launcher of electromagnetic radiation and comprises the impedance of setting the described launcher of electromagnetic radiation that reflexes to described induction coupling, so that maximum power transmission under resonant frequency.
38. method as claimed in claim 33 wherein encourages described emitter of electromagnetic radiation part to comprise that usefulness and the restriction of described emitter of electromagnetic radiation part capacitor connected in series offer the electric current of described emitter of electromagnetic radiation part.
39. method as claimed in claim 33 wherein encourages described emitter of electromagnetic radiation part to be included in the described ballast circuit of self-sustained oscillation under the resonant frequency.
40. method as claimed in claim 33 wherein encourages described emitter of electromagnetic radiation part to comprise that the resonant frequency with described launcher of electromagnetic radiation provides power for described emitter of electromagnetic radiation part.
41. method as claimed in claim 33, described launcher of electromagnetic radiation wherein is set in described inductive coupling apparatus comprises that the working point of wherein said emitter of electromagnetic radiation part is adjustable as the function of described percentage coupling by selecting the gap between described induction coupling and the described secondary coil to adjust percentage coupling.
42. method as claimed in claim 33, the resonant frequency that wherein encourages described emitter of electromagnetic radiation part to comprise to keep described ballast circuit is for being reflexed to the function of the impedance of described ballast circuit by described launcher of electromagnetic radiation.
43. fluid handling system as claimed in claim 34, wherein said secondary coil are set up contiguous described induction coupling so that form percentage coupling, the working point of described emitter of electromagnetic radiation part is adjustable as the function of described percentage coupling.
44. fluid handling system as claimed in claim 34, wherein said ballast circuit also comprises energy storage capacitor, and resonant frequency is confirmed as the function of described induction coupling, described energy storage capacitor and described launcher of electromagnetic radiation.
45. fluid handling system as claimed in claim 34, wherein said launcher of electromagnetic radiation also comprises starter circuit and electrical condenser, and described electrical condenser is connected so that adjust the impedance that reflexes to described ballast circuit with described emitter of electromagnetic radiation part connected in electrical series.
46. it is the function of the reflected impedance of described emitter of electromagnetic radiation part that fluid handling system as claimed in claim 34, wherein said ballast circuit operationally are used to keep resonant frequency.
47. fluid handling system as claimed in claim 34, also comprise radio-frequency recognition system, this system operationally is used for communicating by letter with described emitter of electromagnetic radiation part via radio communication, and the operation information of described emitter of electromagnetic radiation part is provided to described control device.
48. fluid handling system as claimed in claim 47, also comprise filter for installation, described video recognition system operationally is used for communicating by letter with described filter for installation via radio communication, and the operation information of described filter for installation is provided to described control device.
49. method as claimed in claim 35, wherein encourage described induction coupling to comprise to make described emitter of electromagnetic radiation part that ground connection is connected short circuit in case between the starting period electric current in the described secondary coil of maximization.
50. method as claimed in claim 49, wherein the described emitter of electromagnetic radiation part of short circuit is included in the preheating of the described emitter of electromagnetic radiation part of maximization between the starting period.
51. method as claimed in claim 49, wherein the described emitter of electromagnetic radiation part of short circuit is included in preset time and eliminates described short circuit, so that reduce described electric current and provide full voltage to described emitter of electromagnetic radiation part.
52. method as claimed in claim 35 is wherein placed described removable launcher of electromagnetic radiation and is comprised with similar resonant frequency and dispose described ballast circuit and described removable launcher of electromagnetic radiation in induction coupled device.
53. method as claimed in claim 35 is wherein placed described removable launcher of electromagnetic radiation and is included in describedly to go out in the cup described secondary coil is set in induction coupled device.
54. method as claimed in claim 35 wherein is provided at one and goes out the ballast circuit that has induction coupling in the cup and comprise that going out cup around predetermined diameter described twines lead to form described induction coupling.
55. method as claimed in claim 35, wherein said secondary coil forms by twining lead at predetermined diameter, and this predetermined diameter is the function of the configuration of described induction coupling.
56. method as claimed in claim 35 also comprises when needs are changed described removable launcher of electromagnetic radiation, removes described secondary coil from the described induction coupled device with described induction coupling.
57. fluid handling system as claimed in claim 36 also comprises the gap between described induction coupling and the described secondary coil, the working point of described emitter of electromagnetic radiation part is adjustable as the function in described gap.
58. fluid handling system as claimed in claim 36 wherein forms and describedly goes out cup so that can separately hold the described described secondary coil that goes out in the cup.
59. fluid handling system as claimed in claim 36, wherein said removable launcher of electromagnetic radiation comprises starter circuit, this circuit operationally is used between the starting period described emitter of electromagnetic radiation part being connected short circuit to ground connection, so that maximization is from the effusive electric current of described secondary coil.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200610107413.5A CN101115343B (en) | 1999-06-21 | 2000-06-14 | For fluid handling system ballast circuit and the method for electromagnetic radiation is provided within the system |
Applications Claiming Priority (8)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US14009099P | 1999-06-21 | 1999-06-21 | |
| US14015999P | 1999-06-21 | 1999-06-21 | |
| US60/140,159 | 1999-06-21 | ||
| US60/140,090 | 1999-06-21 | ||
| US09/592,194 US6436299B1 (en) | 1999-06-21 | 2000-06-12 | Water treatment system with an inductively coupled ballast |
| US09/592,194 | 2000-06-12 | ||
| US09/596,416 | 2000-06-12 | ||
| US09/596,416 US6451202B1 (en) | 1999-06-21 | 2000-06-12 | Point-of-use water treatment system |
Related Child Applications (3)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN200610103021.1A Division CN101024528B (en) | 1999-06-21 | 2000-06-14 | RF recognition system for fluid treatment system |
| CN200710003838.6A Division CN101001496B (en) | 1999-06-21 | 2000-06-14 | Fluid treatment system |
| CN200610107413.5A Division CN101115343B (en) | 1999-06-21 | 2000-06-14 | For fluid handling system ballast circuit and the method for electromagnetic radiation is provided within the system |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1620406A CN1620406A (en) | 2005-05-25 |
| CN1303002C true CN1303002C (en) | 2007-03-07 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB008118698A Expired - Lifetime CN1303002C (en) | 1999-06-21 | 2000-06-14 | Fluid treatment system |
Country Status (6)
| Country | Link |
|---|---|
| JP (6) | JP2003529442A (en) |
| CN (1) | CN1303002C (en) |
| AU (1) | AU5487800A (en) |
| CA (3) | CA2375336C (en) |
| HK (1) | HK1075881A1 (en) |
| WO (1) | WO2000078678A2 (en) |
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| CN1095691A (en) * | 1993-02-11 | 1994-11-30 | 阿姆威公司 | The UV bulb intensity control that is used for water treatment system |
| CN1098242A (en) * | 1993-04-23 | 1995-02-01 | 菲利浦电子有限公司 | Circuit arrangement |
| US5892458A (en) * | 1995-10-31 | 1999-04-06 | Hewlett-Packard Company | Apparatus for recognition of exchangeable parts in analytical measuring instruments |
Also Published As
| Publication number | Publication date |
|---|---|
| CA2375336C (en) | 2008-04-01 |
| JP2007021494A (en) | 2007-02-01 |
| JP4673422B2 (en) | 2011-04-20 |
| HK1075881A1 (en) | 2005-12-30 |
| JP2003529442A (en) | 2003-10-07 |
| CN1620406A (en) | 2005-05-25 |
| CA2375336A1 (en) | 2000-12-28 |
| AU5487800A (en) | 2001-01-09 |
| JP2009291068A (en) | 2009-12-10 |
| CA2598233C (en) | 2009-02-17 |
| JP4401362B2 (en) | 2010-01-20 |
| WO2000078678A3 (en) | 2003-07-03 |
| JP2006255700A (en) | 2006-09-28 |
| CA2598233A1 (en) | 2000-12-28 |
| JP4440867B2 (en) | 2010-03-24 |
| CA2541462C (en) | 2014-09-09 |
| CA2541462A1 (en) | 2000-12-28 |
| JP4819617B2 (en) | 2011-11-24 |
| WO2000078678A2 (en) | 2000-12-28 |
| JP2008272748A (en) | 2008-11-13 |
| JP2006129695A (en) | 2006-05-18 |
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