CN202351168U - Ozone concentration meter capable of measuring micro concentration - Google Patents
Ozone concentration meter capable of measuring micro concentration Download PDFInfo
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- CN202351168U CN202351168U CN2011204742695U CN201120474269U CN202351168U CN 202351168 U CN202351168 U CN 202351168U CN 2011204742695 U CN2011204742695 U CN 2011204742695U CN 201120474269 U CN201120474269 U CN 201120474269U CN 202351168 U CN202351168 U CN 202351168U
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- intensity sensor
- ultra violet
- ozone concentration
- concentration
- micrometer
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Abstract
The utility model relates to an ozone concentration meter capable of measuring micro concentration. The ozone concentration meter comprises an ultraviolet lamp tube, a filtering unit and at least two ultraviolet light intensity sensors, wherein the ultraviolet lamp tube is arranged in a box, the box is provided with two light holes along the length direction of the ultraviolet lamp tube, and one light hole is provided with a straight pipe; the axial direction of the straight pipe is vertical to the axial direction of the ultraviolet lamp tube; one ultraviolet light intensity sensor is arranged in the straight pipe; and the other ultraviolet light intensity sensor is arranged at the outer side of the other light hole, and the connection line of the ultraviolet light intensity sensor with the center of the light hole is vertical to the axial line of the ultraviolet lamp tube and equal to the vertical distance from the ultraviolet light intensity sensor in the straight pipe to the axial line of the ultraviolet lamp tube. The ozone concentration meter can be widely applied to various spaces, particularly in pipelines which cannot be measured by ordinary measurement instruments, and the sensors can also be lowered into water to measure the ozone concentration in water.
Description
Technical field:
The utility model relates to a kind of ozone concentration appearance, but especially a kind of micrometer concentration the ozone concentration tester, belong to the ozone concentration field of measuring technique.
Background technology:
Present ozone concentration tester both domestic and external adopts electrochemical process or ultraviolet absorption method mostly, and its life-span of the ozone concentration tester of electrochemical process is short, and use cost is high, therefore adopts ultraviolet absorption method mostly.Existing a kind of ozone concentration instrument adopts the structure in double light path biabsorption chamber; Spectrometer of this structure needs is divided into two-way to ultraviolet light and gets into the absorbing cavity that two gas lengths equate again respectively; Feed reference gas in one of them absorbing cavity; As shown in fig. 1, ultraviolet ray that uviol lamp 201 sends is filtered the back through filter unit 202 and is got into a spectrophotometric unit 205, and originally a light path 207 sending of uviol lamp 201 is divided into two light paths 208 and 209 through said spectrophotometric unit 205.Light path 208 gets into absorbing cavities 204, and light path 209 gets into absorbing cavities 205, and said two absorbing cavities 204 are equal with 205 gas length, are L.Said uv absorption chamber 204 has gas circuit 210, is used for importing test gas, and said uv absorption chamber 205 has gas circuit 211, is used for importing reference gas.Said ozone concentration appearance also comprises control module 206, is used to realize detection, signal amplification and the functions such as output and demonstration of this tester ozone concentration.Utilizing spectrometer that ultraviolet light is divided into two-way carries out DATA REASONING respectively and can well guarantee synchronization of data.But it need be provided with a spectrometer and two absorbing cavities; Make the equipment mechanism complicacy and increased equipment cost; And need make tested gas stream through absorbing cavity, need change tested gas flow paths, and can not be applied in the O in open space or the pipeline (like the airduct of air-conditioning unit etc.)
3The measurement of concentration.Therefore need cost simple in structure low, need not change tested gas flow paths and measuring instrument that can application in open space or pipeline (like the airduct of air-conditioning unit etc.) satisfies actual needs.
The utility model content:
But the utility model provides a kind of micrometer concentration of ozone concentration meter, and it is simple in structure, and equipment cost is low and measurement is accurate, can solve existing at least one weak point of above-mentioned background technology well.
But a kind of micrometer concentration of ozone concentration meter of the utility model; Its technical scheme is following: it comprises a quartz burner, filter unit and at least two ultra violet intensity sensors; Said quartz burner is installed in the lighttight box body; Two light holes are set on the said box body, and the straight tube of a printing opacity is installed at one of them light hole place, and the axis direction of said straight tube is vertical with the axis direction of quartz burner; A ultra violet intensity sensor is set in the said straight tube; Another ultra violet intensity sensor is positioned at another light hole outside, itself and the line at light hole center and the axis normal of quartz burner, and equate with vertical range that ultra violet intensity sensor in the said straight tube leaves the UV-lamp tube's axis.
For better technique effect, but the technical characterictic of a kind of micrometer concentration of ozone concentration meter of the utility model can also be specially following technical characterstic:
Ultra violet intensity sensor fastening device of 1 said another light hole arranged outside is used for fixing the ultra violet intensity sensor and is used for fixing the ultra violet intensity sensor.
2 said another ultra violet intensity sensors are hand-held; Another light hole outside that its present position is not install straight tube when actual measurement is walked upwards along straight tube, and it equals interior ultra violet intensity sensor of straight tube and the vertical range between the UV-lamp tube's axis with vertical range between the UV-lamp tube's axis.
3 said two ultraviolet light light intensity sensors, be separately positioned on opposite both sides perpendicular to quartz burner axis direction.
Ultra violet intensity sensor in the 4 said straight tubes and the vertical range between the UV-lamp tube's axis are adjustable,
Ultra violet intensity sensor on the 5 said ultra violet intensity sensor fastening devices and the vertical range between the UV-lamp tube's axis are adjustable.
Vertical range between 6 said ultra violet intensity sensor fastening devices and the UV-lamp tube's axis is adjustable.
7 said filter units are installed in each light hole place.
8 said two light holes are arranged on the position of box body differing heights along the direction of UV-lamp length of tube.
9 said filter units are on the line between each ultra violet intensity sensor and the light hole and are in ultraviolet light light intensity sensor front end.
Be full of N in the 10 said straight tubes
2Or other do not contain O
3Gas.
Vertical range between 11 said ultra violet intensity sensor fastening devices and the UV-lamp tube's axis is adjustable.
It is simple in structure that but the micrometer concentration of ozone concentration meter that adopts the utility model technical scheme has, and equipment cost is low and measure advantage accurately.Be specially following some:
1. in the ozone concentration appearance of the utility model the ultraviolet light spectrometer is not set, makes whole tester reduce by an element, simple in structure, reduce equipment cost, and eliminated error because of using spectrometer to exist, improve measuring accuracy.
2. the vertical range of two ultraviolet light intensity sensors and quartz burner axis is adjustable, therefore can in the open space of any size or pipeline (like the airduct of air-conditioning unit etc.), carry out multimetering.
3. two ultraviolet light intensity sensors are in the measured gas simultaneously, effectively avoid testing asynchronous errors caused.
4. two ultraviolet light intensity sensors are vertical with the quartz burner axis, and sensor fastening device is longilineal, can from the pipeline of tested gas is stretched in the outside, test, and the route that need not change tested gas is with regard to the ducted O of energy measurement
3Gas concentration.
5. the vertical range of two ultraviolet light intensity sensors and quartz burner axis is adjustable, can measure the concentration of tested gas simultaneously apart from the different position measurement of quartz burner axis vertical range, does not need frequently equipment to be returned to zero.
6. first gas (like oxygen) through pure ozone free carries out school zero when instrument uses; And when measuring; Two sensors are placed tested gas simultaneously, and one of them sensor carried out computing through the concentration difference of measuring two sensor present positions and can obtain the concentration of ozone gas in the tested gas as Real-time and Dynamic zero point; Make the value mode at zero point of tester no longer receive the influence of surrounding air, solved the measuring error that causes because of environment.
Description of drawings
Fig. 1 is a kind of structural representation that has the ozone concentration appearance in biabsorption chamber in the prior art
But Fig. 2 is first example structure synoptic diagram of the micrometer concentration of ozone concentration meter of the utility model
Among Fig. 1,201 is uviol lamp, and 202 is filter unit, and 203 is spectrophotometric unit, and 204,205 is absorbing cavity, and 206 is control module, and 207,208 and 209 is light path, and 210,211 is gas circuit.
1 is the ozone concentration appearance among Fig. 2, and 2 is box body, and 3 is quartz burner, and 41,42 is light hole, and 51,52 is filter unit, and 6 is straight tube, and 71,72 is the ultra violet intensity sensor, and 8 is the ultra violet intensity sensor fastening device, and 9 is gas circuit.
Embodiment one:
As shown in Figure 2; But a kind of micrometer concentration of ozone concentration meter of the utility model; It comprises a quartz burner 3,51,52 and two ultra violet intensity sensors 71,72 of filter unit, and said quartz burner 3 is installed in the box body 2, and the position of differing heights is provided with two light holes 41,42 on the direction of said box body 2 upper edge quartz burners 3 length;, said light hole 41,42 is in the same side of quartz burner axis direction.
Said filter unit 51 and 52 is installed in two light holes, 41,42 places.A straight tube 6 is installed at one of them light hole 41 place, and the axis direction of said straight tube 6 is vertical with the axis direction of quartz burner 3, and a ultra violet intensity sensor 71 is set in the said straight tube 6.Ultra violet intensity sensor fastening device 8 of another light hole 42 arranged outside; One end of ultra violet intensity sensor fastening device 8 links to each other with box body 2; Ultra violet intensity sensor 72 is installed on the said stationary installation 8; Itself and the line at light hole 42 centers and the axis normal of quartz burner 3, and equate from the vertical range of ultraviolet quartz burner 3 axis with ultra violet intensity sensors 71 in the said straight tube 6.
A regulator can be set in said straight tube in the practical application be used to regulate the vertical range between ultra violet intensity sensor 71 and quartz burner 3 axis; Can also be used to regulate the vertical range between ultra violet intensity sensor 72 and quartz burner 3 axis in that a regulator also is set on the said ultra violet intensity sensor fastening device 8; It is well-known to those skilled in the art that the regulator that is used for adjustable range belongs to known technology, is not described in detail at this.Also be provided with amplifier circuit, control circuit of formation ozone concentration appearance well-known to those skilled in the art etc. in the box body 2, omit detailed description here it.
In the present embodiment; Two sensors 71,72 are all fixed; In practical application; The outer ultra violet intensity sensor 72 of straight tube 6 can be for hand-held; Guarantee that when actual measurement another light hole 42 outsides that its present position is not install straight tube walk upwards along straight tube, and can through regulate its with quartz burner 3 axis between vertical range or regulate straight tube 6 interior sensors 71 and make the vertical range between two ultra violet intensity sensors 71,72 and the UV-lamp tube's axis 3 equate to get final product.
Filter unit described in the present embodiment 51,52 is installed in light hole 41,42 places, can also be on each ultra violet intensity sensor 71,72 and light hole 41, the line between 42 and is in ultraviolet light light intensity sensor 71,72 front ends at filter unit described in the practical application 51,52.
The optical filtering band of filter unit is 253.7nm in the utility model, and error range is ± 10%;
Make before the measurement in the said straight tube and be full of N
2Or other do not contain O
3Gas concentration meter is returned to zero to guarantee measuring accuracy, can the straight tube outer end be sealed after the zeroing.Two sensors are all stretched in the measured gas, make tested gas vertically through sensor, according to Beer law I=I
0e
-ACl, I wherein
0Be incident intensity, l is a light path, and C is a concentration, and A is and the irrelevant constant of concentration, therefore at I
0With l one timing, the light intensity of mensuration is only relevant with the concentration of gas.In the present embodiment; The incident intensity at two sensor places is sent by same quartz burner; It is equal that its intensity can be approximately; Therefore two ultraviolet light light intensity sensors 71,72 equate to be l with the vertical range of the axis of quartz burner 3, and the different light intensity that measures of two light intensity sensors is by the O in the tested gas
3The concentration difference causes, therefore can draw the O in the tested gas through converting with reference gas
3Concentration.Make before the measurement in the said straight tube and be full of N
2Or other do not contain O
3Gas concentration meter is returned to zero to guarantee measuring accuracy, can the sealing of straight tube outer end only be placed sensor 72 in the tested gas during measurement after the zeroing, make tested gas vertically measure the ozone concentration in the tested gas through the test side sensor.Also can make said two ultraviolet light light intensity sensors 71,72 be separately positioned on opposite both sides perpendicular to quartz burner 3 axis directions to be convenient for measuring.
Also can after zeroing, make the straight tube outer end open; Make two ultra violet intensity sensors place tested gas and unequal through regulating two regulators with the vertical range of quartz burner axis, with two sensors measure numerical difference between convert with Beer law and can draw the ozone concentration in the tested gas.
Adopt the ozone concentration tester of the utility model technical scheme to have advantage simple in structure, that measurement is accurate, equipment cost is low, can measure the ozone gas that contains, the particularly measurement of drop ozone gas concentration of various concentration.Can be widely used in the various spaces, particularly in the immeasurable pipeline of common survey appearance, also can sensor be stretched into the ozone concentration in the underwater survey water.
Claims (12)
1. but micrometer concentration of ozone concentration meter; It comprises a quartz burner (3), filter unit and at least two ultra violet intensity sensors; It is characterized in that: said quartz burner (3) is installed in the lighttight box body (2), and two light holes (41,42) are set on the said box body (2); One of them light hole (41) locates to install the straight tube (6) of a printing opacity; The axis direction of said straight tube (6) is vertical with the axis direction of quartz burner (3), and a ultra violet intensity sensor (71) is set in the said straight tube (6), and another ultra violet intensity sensor (72) is positioned at another light hole (42) outside; Itself and the line at light hole (42) center and the axis normal of quartz burner (3), and equate from the vertical range of UV-lamp tube's axis with ultra violet intensity sensor (71) in the said straight tube (6).
2. but micrometer concentration of ozone concentration meter as claimed in claim 1 is characterized in that: said another light hole (42) ultra violet intensity sensor fastening device of arranged outside (8) is used for fixing ultra violet intensity sensor (72).
3. but micrometer concentration of ozone concentration meter as claimed in claim 1; It is characterized in that: said another ultra violet intensity sensor (72) is for hand-held; Another light hole (42) outside that its present position is not install straight tube when actual measurement is walked upwards along straight tube, and it equals interior ultra violet intensity sensor (71) of straight tube (6) and the vertical range between quartz burner (3) axis with vertical range between quartz burner (3) axis.
4. but micrometer concentration of ozone concentration meter as claimed in claim 1; It is characterized in that: last two light holes (41 of said box body (2); 42) be separately positioned on opposite both sides perpendicular to quartz burner (3) axis direction, correspondingly two ultraviolet light light intensity sensors (71), (72) are separately positioned on the opposite both sides perpendicular to quartz burner (3) axis direction.
5. but micrometer concentration of ozone concentration meter as claimed in claim 1 is characterized in that: ultra violet intensity sensor (71) and the vertical range between quartz burner (3) axis in the said straight tube (6) are adjustable.
6. but micrometer concentration of ozone concentration meter as claimed in claim 1 is characterized in that: said filter unit (51,52) is installed in each light hole place.
7. but micrometer concentration of ozone concentration meter as claimed in claim 1 is characterized in that: said filter unit (51,52) is on the line between each ultra violet intensity sensor and the light hole and is in ultraviolet light light intensity sensor front end.
8. but a kind of micrometer concentration of ozone concentration meter as claimed in claim 1 is characterized in that: be full of N in the said straight tube
2Or other do not contain O
3Gas.
9. but a kind of micrometer concentration of ozone concentration meter as claimed in claim 1, it is characterized in that: said two light holes (41,42) are arranged on the position of box body differing heights along the direction of quartz burner (3) length.
10. but micrometer concentration of ozone concentration meter as claimed in claim 2 is characterized in that: the vertical range between said ultra violet intensity sensor fastening device (8) and the UV-lamp tube's axis is adjustable.
But 11. micrometer concentration of ozone concentration meter as claimed in claim 4 is characterized in that: the vertical range between said ultra violet intensity sensor fastening device (8) and the UV-lamp tube's axis is adjustable.
But 12. micrometer concentration of ozone concentration meter as claimed in claim 4 is characterized in that: ultra violet intensity sensor (72) on the said ultra violet intensity sensor fastening device (8) and the vertical range between the UV-lamp tube's axis are adjustable.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011204742695U CN202351168U (en) | 2011-11-11 | 2011-11-11 | Ozone concentration meter capable of measuring micro concentration |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011204742695U CN202351168U (en) | 2011-11-11 | 2011-11-11 | Ozone concentration meter capable of measuring micro concentration |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202351168U true CN202351168U (en) | 2012-07-25 |
Family
ID=46540164
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011204742695U Withdrawn - After Issue CN202351168U (en) | 2011-11-11 | 2011-11-11 | Ozone concentration meter capable of measuring micro concentration |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202351168U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103105360A (en) * | 2011-11-11 | 2013-05-15 | 福建新大陆环保科技有限公司 | Ozone concentration meter capable of measuring trace concentration |
-
2011
- 2011-11-11 CN CN2011204742695U patent/CN202351168U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103105360A (en) * | 2011-11-11 | 2013-05-15 | 福建新大陆环保科技有限公司 | Ozone concentration meter capable of measuring trace concentration |
| CN103105360B (en) * | 2011-11-11 | 2015-11-25 | 福建新大陆环保科技有限公司 | A kind of ozone concentration instrument surveying micro-concentrations |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20120725 Effective date of abandoning: 20151125 |
|
| C25 | Abandonment of patent right or utility model to avoid double patenting |