CN110621113A - Energy-saving ultraviolet disinfection device capable of adjusting light intensity - Google Patents
Energy-saving ultraviolet disinfection device capable of adjusting light intensity Download PDFInfo
- Publication number
- CN110621113A CN110621113A CN201910885117.5A CN201910885117A CN110621113A CN 110621113 A CN110621113 A CN 110621113A CN 201910885117 A CN201910885117 A CN 201910885117A CN 110621113 A CN110621113 A CN 110621113A
- Authority
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- China
- Prior art keywords
- module
- dimming
- ultraviolet disinfection
- signal
- light intensity
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 238000004659 sterilization and disinfection Methods 0.000 title claims abstract description 64
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 36
- 229910000497 Amalgam Inorganic materials 0.000 claims abstract description 11
- MPZNMEBSWMRGFG-UHFFFAOYSA-N bismuth indium Chemical compound [In].[Bi] MPZNMEBSWMRGFG-UHFFFAOYSA-N 0.000 claims abstract description 11
- 238000006243 chemical reaction Methods 0.000 claims description 12
- 238000002955 isolation Methods 0.000 claims description 8
- 230000000087 stabilizing effect Effects 0.000 claims description 2
- 238000005265 energy consumption Methods 0.000 abstract description 4
- 230000001105 regulatory effect Effects 0.000 abstract description 4
- 230000033228 biological regulation Effects 0.000 abstract description 3
- 230000009286 beneficial effect Effects 0.000 abstract description 2
- 239000003651 drinking water Substances 0.000 description 4
- 235000020188 drinking water Nutrition 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- QSHDDOUJBYECFT-UHFFFAOYSA-N mercury Chemical compound [Hg] QSHDDOUJBYECFT-UHFFFAOYSA-N 0.000 description 3
- 238000004134 energy conservation Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 229910052753 mercury Inorganic materials 0.000 description 1
- 238000000746 purification Methods 0.000 description 1
- 230000006641 stabilisation Effects 0.000 description 1
- 238000011105 stabilization Methods 0.000 description 1
- 230000001954 sterilising effect Effects 0.000 description 1
- 239000008400 supply water Substances 0.000 description 1
- 230000002277 temperature effect Effects 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/30—Treatment of water, waste water, or sewage by irradiation
- C02F1/32—Treatment of water, waste water, or sewage by irradiation with ultraviolet light
-
- 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
- H05B41/02—Details
-
- 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
-
- 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
- H05B41/16—Circuit arrangements in which the lamp is fed by dc or by low-frequency ac, e.g. by 50 cycles/sec ac, or with network frequencies
-
- 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
- H05B41/38—Controlling the intensity of light
Landscapes
- Health & Medical Sciences (AREA)
- Toxicology (AREA)
- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Physical Water Treatments (AREA)
Abstract
The invention relates to an energy-saving ultraviolet disinfection device with adjustable light intensity, which comprises an ultraviolet disinfection lamp, wherein the ultraviolet disinfection lamp is a bismuth indium amalgam ultraviolet lamp, the device is provided with a dimming electronic ballast and a dimming module, and the dimming electronic ballast receives a dimming signal sent by the dimming module and adjusts the output light intensity of the ultraviolet disinfection lamp according to the dimming signal. The invention has the beneficial effects that: the efficiency and the power regulation performance of the ultraviolet disinfection device can be obviously improved, the power is regulated according to the water supply amount, the energy consumption is saved, the output linearity of the device is good, the stability of the functions of the lamp tube and the service life of the lamp tube are improved, and the device is high in efficiency by adopting an efficient ultraviolet lamp and a matched dimming electronic ballast.
Description
Technical Field
The invention belongs to a water supply purification device, and particularly relates to an energy-saving ultraviolet disinfection device with adjustable light intensity.
Background
The ultraviolet disinfection technology is widely applied to disinfection of drinking water, particularly rural water supply projects, but the water supply amount of the rural water supply projects is greatly changed in different time periods, and the water supply load difference of peak valley water supply time is large. At present, among the drinking water ultraviolet disinfection device, ultraviolet tube's power and quantity are handled the water yield and are designed according to the highest time of the highest day usually, no matter supply water flow peak or valley, ultraviolet disinfection device all is in full load running state, and when supplying water the low peak, ultraviolet lamp power surpassed actual need far away, caused the electric work waste, increased the water supply cost. The ultraviolet disinfection device with adjustable light intensity can solve the problem, but the technical problems of the ultraviolet disinfection device with adjustable light intensity mainly include two points: firstly, when the ultraviolet disinfection device regulates power, the temperature of the tube wall of the lamp is reduced, so that the mercury vapor pressure is changed, the ultraviolet output efficiency is reduced, and the output power fluctuates along with the change; secondly, the output power of the ultraviolet disinfection device can change along with the water temperature (environmental temperature), and the mercury vapor pressure is difficult to be accurately controlled to be the optimal pressure. Therefore, when the water flow is in a peak or a valley, the ultraviolet output efficiency is greatly changed, and the ultraviolet output power is greatly fluctuated within a certain working water temperature range, so that sometimes the disinfection does not reach the standard, or the system power is required to be increased to ensure the disinfection effect.
Disclosure of Invention
The invention aims to provide a technical scheme of an energy-saving ultraviolet disinfection device with adjustable light intensity, and the power control function of the ultraviolet disinfection device is improved.
In order to achieve the purpose, the technical scheme of the invention is as follows: an energy-saving ultraviolet disinfection device with adjustable light intensity comprises an ultraviolet disinfection lamp; the device is provided with a dimming electronic ballast and a dimming module, wherein the dimming electronic ballast receives a dimming signal sent by the dimming module and adjusts the output light intensity of the ultraviolet disinfection lamp according to the dimming signal.
Further, in order to improve the efficiency of the uv disinfection lamp and reduce the temperature effect on the power, the uv disinfection lamp is a bismuth indium amalgam uv lamp.
Furthermore, in order to adjust the power of the ultraviolet disinfection lamp according to the water supply amount, the ultraviolet disinfection lamp is a bismuth indium amalgam ultraviolet lamp with adjustable power of 40W-100W.
Furthermore, in order to adjust the power of the ultraviolet disinfection lamp, the dimming electronic ballast is an adjustable output power electronic ballast with the power of 40W-100W.
Furthermore, in order to control the power adjustment of the ultraviolet disinfection lamp, the dimming module is a dimming module with a dimming range of 50% -100%, and the dimming signal is a pulse width signal output by the PLC.
Further, in order to obtain a good control and regulation effect, the dimming signal is a pulse width signal adjusted according to the flow rate of the supplied water.
Furthermore, in order to realize the control and adjustment of the ultraviolet disinfection lamp, the dimming electronic ballast is provided with a power supply module, a starting constant current module, a control isolation module, a signal conversion module and a driving control module, wherein the power supply module rectifies and filters a power supply and adjusts a power factor, and outputs a voltage-stabilized direct current power supply to the starting constant current module; the control isolation module receives a dimming signal sent by the dimming module and transmits the dimming signal to the signal conversion module; the signal conversion module converts the dimming signal from a pulse width signal to a direct current voltage signal and outputs the direct current voltage signal to the drive control module; and the drive control module sends an output power control signal to the starting constant current module.
Furthermore, in order to obtain a stable regulated power supply for ultraviolet disinfection, the starting constant current module is provided with a half-bridge output control loop, and the driving control module regulates the frequency and the phase angle through the high-frequency switching element to change the output power of the half-bridge output control loop.
Further, in order to obtain a stable power supply, the power supply module includes a full-bridge rectification circuit, a power factor adjustment circuit, and a voltage stabilization boosting circuit.
The invention has the beneficial effects that: the efficiency and the power regulation performance of the ultraviolet disinfection device can be obviously improved, the power is regulated according to the water supply amount, the energy consumption is saved, the output linearity of the device is good, the stability of the functions of the lamp tube and the service life of the lamp tube are improved, and the device is high in efficiency by adopting an efficient ultraviolet lamp and a matched dimming electronic ballast.
The invention is described in detail below with reference to the figures and examples.
Drawings
FIG. 1 is a block diagram of the system of the present invention;
FIG. 2 is a schematic diagram of the present invention;
FIG. 3 is a graph of the output power of the 80W water temperature test of the present invention;
FIG. 4 is a graph of the output efficiency of the 80W water temperature test of the present invention;
FIG. 5 is a 40W water temperature test output power curve diagram of the present invention;
FIG. 6 is a 40W water temperature test output efficiency curve chart of the present invention.
Detailed Description
Referring to fig. 1 and 2, an energy-saving ultraviolet disinfection device with adjustable light intensity comprises an ultraviolet disinfection lamp 10; the device is provided with a dimming electronic ballast 20 and a dimming module 30, wherein the dimming electronic ballast receives a dimming signal sent by the dimming module and adjusts the output light intensity of the ultraviolet disinfection lamp according to the dimming signal.
The ultraviolet disinfection lamp is a bismuth indium amalgam ultraviolet lamp.
The ultraviolet disinfection lamp is a bismuth indium amalgam ultraviolet lamp with adjustable power of 40W-100W.
The dimming electronic ballast is an adjustable output power electronic ballast with the power of 40-100W.
The dimming module is a dimming module with a dimming range of 50% -100%, and the dimming signal is a pulse width signal output by the PLC.
The dimming signal is a pulse width signal adjusted according to the flow rate of the supplied water.
The dimming electronic ballast is provided with a power supply module 21, a starting constant current module 22, a control isolation module 23, a signal conversion module 24 and a drive control module 25, wherein the power supply module rectifies and filters a power supply and adjusts a power factor, and outputs a voltage-stabilized direct current power supply to the starting constant current module; the control isolation module receives a dimming signal sent by the dimming module and transmits the dimming signal to the signal conversion module; the signal conversion module converts the dimming signal from a pulse width signal to a direct current voltage signal and outputs the direct current voltage signal to the drive control module; and the drive control module sends an output power control signal to the starting constant current module.
The starting constant current module is provided with a half-bridge output control loop, and the driving control module adjusts the frequency and the phase angle through the high-frequency switch element to change the output power of the half-bridge output control loop.
The power supply module comprises a full-bridge rectifying circuit, a power factor adjusting circuit and a voltage stabilizing and boosting circuit.
The first embodiment is as follows:
referring to fig. 1 and 2, an energy-saving ultraviolet disinfection device with adjustable light intensity comprises an ultraviolet disinfection lamp 10, a dimming electronic ballast 20 and a dimming module 30. The dimming electronic ballast receives the dimming signal sent by the dimming module and adjusts the output light intensity of the ultraviolet disinfection lamp according to the dimming signal.
The ultraviolet disinfection lamp is a 40W-100W adjustable power bismuth indium amalgam ultraviolet lamp.
The dimming module is a dimming module with a dimming range of 50% -100%, and the dimming signal is a pulse width signal output by the PLC.
The dimming electronic ballast is powered by a 220V ac power supply 40. The dimming electronic ballast is an adjustable output power electronic ballast with the power of 40W-100W. The dimming electronic ballast is provided with a power supply module 21, a starting constant current module 22, a control isolation module 23, a signal conversion module 24 and a driving control module 25.
The power supply module comprises a full-bridge rectifying circuit, a power factor adjusting circuit and a voltage-stabilizing booster circuit, and is used for rectifying, filtering and adjusting the power supply and outputting a voltage-stabilizing direct-current power supply to the starting constant-current module.
The starting constant-current module comprises a starting circuit and a constant-current circuit, the starting electric path is connected in series for resonance boosting to generate instant high voltage, and the ultraviolet disinfection lamp is ignited. The constant current circuit is provided with a half-bridge output control loop, and provides continuous and stable current for the ultraviolet disinfection lamp through a half-bridge rectification loop.
The control isolation module receives the dimming signal sent by the dimming module and transmits the dimming signal to the signal conversion module.
The signal conversion module is provided with a voltage-controlled oscillator which converts the dimming signal from a pulse width signal into a direct current voltage signal and outputs the direct current voltage signal to the drive control module.
The driving control module sends the output power control signal to the starting constant current module. The driving control module adjusts the frequency and the phase angle through the high-frequency switching element, and changes the output power of a half-bridge output control loop for starting the constant-current module, so that the output light intensity of the ultraviolet disinfection lamp is controlled.
The ultraviolet disinfection device with adjustable light intensity is particularly suitable for drinking water disinfection of rural water supply projects, adopts the mode of adjustable ultraviolet light intensity, adjusts the output of the ultraviolet light intensity in real time according to the water supply flow, ensures higher ultraviolet output power, keeps good operation efficiency within a certain water temperature range (10-40 ℃), has small ultraviolet output fluctuation, reduces the integral operation energy consumption of the ultraviolet disinfection device, and achieves the purposes of energy conservation and consumption reduction.
The invention adopts a bismuth indium amalgam ultraviolet lamp, the dimming electronic ballast controls voltage output through 30-100% direct current pulse width to form an ultraviolet lamp closed loop power control unit, meanwhile, the electronic ballast has the function of receiving external PLC pulse width modulation signals, automatically realizes power switching according to the pulse width signals, and the PLC comprehensively judges according to multiple factors such as water supply flow, water supply time period and the like and outputs the pulse width modulation signals. Therefore, the power of the power-adjustable ultraviolet lamp can be adjusted under different working conditions, and the purpose of energy conservation is achieved.
The bismuth-indium amalgam ultraviolet lamp has good application characteristics, has higher ultraviolet output efficiency compared with the common ultraviolet disinfection lamp, is improved along with the rise of the temperature of the supplied water, and basically achieves the maximum output efficiency when the temperature of the supplied water is conventional. The 254nm ultraviolet ray output efficiency is the highest when the power is 50-100% in the water temperature environment of 10-40 ℃. In addition, the bismuth-indium amalgam ultraviolet lamp has good temperature adaptability, the output power of the lamp changes by no more than 10% in the environment of 1010-40 ℃ water temperature, and the lamp is particularly suitable for the disinfection environment of drinking water.
The power module of the light-adjusting electronic ballast rectifies, filters and adjusts the power factor of the power supply, and can output a voltage-stabilizing direct-current power supply to the starting constant-current module, and the constant-current circuit is provided with a half-bridge output control loop to provide a stable adjusting power supply for the ultraviolet disinfection lamp.
As shown in fig. 3 to 6, according to the experiment, the uv sterilizing apparatus of the present invention has more stable output power and higher output efficiency at the power of 80W and 40W.
The technical effects of the invention comprise:
1. the power is adjustable and energy-conserving: the invention provides a dimming control module which is connected in parallel to an electronic ballast circuit to control the output of the electronic ballast by the dimming control module, so that the power of a dimmable ultraviolet lamp can be adjusted under different working conditions, and the aim of saving energy is fulfilled;
2. the device has good output linearity: the problem that the stability of the lamp tube is influenced and the service life of the lamp tube is reduced when the power of a normal ultraviolet lamp is frequently regulated within a certain temperature range (10-40) is solved, the dimming ballast with good matching degree is configured, the controllability of parameters such as output current and voltage is good, and the lamp tube is not impacted.
3. The device has high efficiency: the ultraviolet disinfection device solves the problem that the output efficiency of the ultraviolet lamp cannot be considered under different conditions of high water flow peak power and low water flow valley power, finds a rule that the ultraviolet output efficiency of the lamp tube rises along with the reduction of the power at the water temperature of 10-40 ℃ according to the working operation principle of liquid mercury and a large amount of operation test data, and can reach the highest efficiency at the water temperature of conventional water supply.
Claims (9)
1. An energy-saving ultraviolet disinfection device with adjustable light intensity comprises an ultraviolet disinfection lamp; the device is characterized by being provided with a dimming electronic ballast and a dimming module, wherein the dimming electronic ballast receives a dimming signal sent by the dimming module and adjusts the output light intensity of the ultraviolet disinfection lamp according to the dimming signal.
2. The energy-saving ultraviolet disinfection apparatus with adjustable light intensity of claim 1, wherein the ultraviolet disinfection lamp is a bismuth indium amalgam ultraviolet lamp.
3. The energy-saving ultraviolet disinfection device with adjustable light intensity as claimed in claim 2, wherein the ultraviolet disinfection lamp is a bismuth indium amalgam ultraviolet lamp with adjustable power of 40W-100W.
4. The energy-saving ultraviolet disinfection device with adjustable light intensity as claimed in claim 1, wherein the dimming electronic ballast is an adjustable output power electronic ballast with power of 40W-100W.
5. The energy-saving ultraviolet disinfection apparatus with adjustable light intensity as claimed in claim 1, wherein said light-adjusting module is a light-adjusting module with a light-adjusting range of 50% -100%, and said light-adjusting signal is a pulse width signal outputted by PLC.
6. The energy-saving ultraviolet disinfection apparatus with adjustable light intensity as claimed in claim 5, wherein said light-adjusting signal is a pulse width signal adjusted according to the water supply flow.
7. The energy-saving ultraviolet disinfection device with adjustable light intensity according to claim 1, wherein the dimming electronic ballast is provided with a power supply module, a starting constant current module, a control isolation module, a signal conversion module and a driving control module, wherein the power supply module rectifies, filters and adjusts the power factor of a power supply and outputs a stabilized direct current power supply to the starting constant current module; the control isolation module receives a dimming signal sent by the dimming module and transmits the dimming signal to the signal conversion module; the signal conversion module converts the dimming signal from a pulse width signal to a direct current voltage signal and outputs the direct current voltage signal to the drive control module; and the drive control module sends an output power control signal to the starting constant current module.
8. The energy-saving ultraviolet disinfection device with adjustable light intensity as claimed in claim 7, wherein the start constant current module is provided with a half-bridge output control loop, and the drive control module adjusts the frequency and the phase angle through the high frequency switch element to change the output power of the half-bridge output control loop.
9. The energy-saving ultraviolet disinfection apparatus with adjustable light intensity of claim 7, wherein the power module comprises a full-bridge rectification circuit, a power factor adjusting circuit and a voltage stabilizing and boosting circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910885117.5A CN110621113A (en) | 2019-09-19 | 2019-09-19 | Energy-saving ultraviolet disinfection device capable of adjusting light intensity |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910885117.5A CN110621113A (en) | 2019-09-19 | 2019-09-19 | Energy-saving ultraviolet disinfection device capable of adjusting light intensity |
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| Publication Number | Publication Date |
|---|---|
| CN110621113A true CN110621113A (en) | 2019-12-27 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910885117.5A Pending CN110621113A (en) | 2019-09-19 | 2019-09-19 | Energy-saving ultraviolet disinfection device capable of adjusting light intensity |
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| CN (1) | CN110621113A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113529360A (en) * | 2020-04-14 | 2021-10-22 | 青岛海尔洗衣机有限公司 | Ultraviolet sterilization and disinfection module and washing equipment with same |
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| CN113529360A (en) * | 2020-04-14 | 2021-10-22 | 青岛海尔洗衣机有限公司 | Ultraviolet sterilization and disinfection module and washing equipment with same |
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