CN203337532U - Ozone concentration tester - Google Patents
Ozone concentration tester Download PDFInfo
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- CN203337532U CN203337532U CN2013203072394U CN201320307239U CN203337532U CN 203337532 U CN203337532 U CN 203337532U CN 2013203072394 U CN2013203072394 U CN 2013203072394U CN 201320307239 U CN201320307239 U CN 201320307239U CN 203337532 U CN203337532 U CN 203337532U
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Abstract
The utility model discloses an ozone concentration tester which comprises a tester body, a concentration tester plate arranged in the tester body, a pre-amplification circuit arranged in the tester body, a temperature sensor arranged in the tester body, a pressure transmitter arranged in the tester body, a switch power supply arranged on the tester body and an ultraviolet lamp arranged on the tester body, wherein the tester body is connected with an automatic control system; the switch power supply, the pre-amplification circuit, the pressure transmitter and the temperature sensor are electrically connected with the concentration test plate; a gas input port is formed in the tester body. According to the ozone concentration tester, the measurement error caused by the environment influence and the asynchronous test operation of an existing ozone concentration tester in the prior art is solved; the measurement precision is improved. The ozone concentration tester is simple in structure, convenient to use and mount, easy to operate and wide in measurement range, can realize on-line, continuous, high-precision and automatic control and has effects of safety and reliability.
Description
Technical field
The utility model relates to a kind of ozone concentration tester.
Background technology
Development along with China's ozone technology industry, ozone generator manufacturer and application units' increasing year by year, be different from chemical titration fast, accurately, the research of ozone concentration detector intuitively is extremely urgent, current ozone concentration tester both domestic and external adopts electrochemical process or ultraviolet absorption method mostly, the electrochemical process deadly defect is that shelf life is short, can't measure high-concentrated ozone, use cost is higher, so mostly adopt ultraviolet absorption method.And traditional uv absorption ozone concentration detector has two aspect shortcomings: (1) is poor as the standard source of the gas consistance at zero point, easily is subject to environmental impact, increases the systematic error of instrument; (2) current testing tool reference zero and test gas are not to test simultaneously, can cause the generation of systematic error.
Along with the widespread use of ozone in every field, domestic and international market was increasing to ozone concentration analyzing and testing opertaing device demand in recent years.The ozone concentration detector that the UVA principle is made, due to its have nontoxic, non-corrosiveness, fast response time and also can continuous on-line detection etc. advantage, be widely adopted in the world.With the U.S. and German technology, occupy first place in the world.
The domestic shortage due to base components, the online ozone concentration detecting instrument detected is substantially in the starting state.Its product is able at home than widespread use at present, but its measurement range is narrow, affected greatly by the environment ozone concentration, and technology need further raising.The unstable measuring accuracy of ozone concentration detector quality that other most of instrument manufacturers produce is poor, does not have the market competitiveness fully, and this all can bring inconvenience to the user.
Summary of the invention
The technical problems to be solved in the utility model is to provide a kind of simple in structure, uses, easy for installation, simple to operate, and measurement range is wide, can be online, continuously, high precision and control automatically, there is the ozone concentration tester of safe and reliable effect.
For addressing the above problem, the utility model adopts following technical scheme:
A kind of ozone concentration tester of the present utility model, comprise the tester body, and be arranged on the intrinsic concentration tester plate of tester, and be arranged on the intrinsic pre-amplification circuit of tester, and be arranged on the intrinsic temperature sensor of tester, and be arranged on the intrinsic pressure unit of tester, and be arranged on the Switching Power Supply on the tester body, and be arranged on the uviol lamp on the tester body, described tester body is connected with automatic control system, described Switching Power Supply, pre-amplification circuit, pressure unit and temperature sensor all with concentration tester plate Electricity Federation, described Switching Power Supply is connected with uviol lamp, described tester body is provided with the gas input port.
As preferred technical scheme, described gas input port is connected with filtrator, and described filtrator is connected with gas analysis pool, and described gas analysis pool is connected with ozone breaker, described ozone breaker is connected with UV-absorption cell, and described UV-absorption cell is connected with photometric detector.
As preferred technical scheme, described automatic control system is connected with photometric detector.
As preferred technical scheme, described tester body bottom is provided with installing plate, and described installing plate is provided with mounting hole.
As preferred technical scheme, described automatic control system is connected with the automatic gain amplifying circuit.
As preferred technical scheme, described automatic gain amplifying circuit adopts programmable gain amplifier to realize.
The beneficial effect of a kind of ozone concentration tester of the utility model is: solved ozone concentration tester in the prior art and, due to environmental impact and the asynchronous measuring error caused of test, improved measuring accuracy.It is simple in structure, uses, easy for installation, simple to operate, and measurement range is wide, can be online, continuously, high precision and control automatically, there is safe and reliable effect.
The accompanying drawing explanation
For ease of explanation, the utility model is described in detail by following specific embodiment and accompanying drawing.
The structural representation that Fig. 1 is a kind of ozone concentration tester of the utility model;
The side view that Fig. 2 is a kind of ozone concentration tester of the utility model;
The circuit block diagram that Fig. 3 is a kind of ozone concentration tester of the utility model.
Embodiment
Consult Fig. 1, a kind of ozone concentration tester shown in Fig. 2 and Fig. 3, comprise tester body 1, and be arranged on the concentration tester plate 2 in tester body 1, and be arranged on the pre-amplification circuit 3 in tester body 1, and be arranged on the temperature sensor 4 in tester body 1, and be arranged on the pressure unit 5 in tester body 1, and be arranged on the Switching Power Supply 6 on tester body 1, and be arranged on the uviol lamp 7 on tester body 1, described tester body 1 is connected with automatic control system, described Switching Power Supply 6, pre-amplification circuit 3, pressure unit 5 and temperature sensor 4 all with concentration tester plate 2 Electricity Federations, described Switching Power Supply 6 is connected with uviol lamp 7, described tester body 1 is provided with gas input port 8.
Described gas input port is connected with filtrator, and described filtrator is connected with gas analysis pool, and described gas analysis pool is connected with ozone breaker, and described ozone breaker is connected with UV-absorption cell, and described UV-absorption cell is connected with photometric detector.
Described automatic control system is connected with photometric detector.
Described tester body 1 bottom is provided with installing plate 9, and described installing plate 9 is provided with mounting hole 10.
Described automatic control system is connected with the automatic gain amplifying circuit.
Described automatic gain amplifying circuit adopts programmable gain amplifier to realize.
Further, (1) light source and automatic control system: ultraviolet source and the control module of design high stability, high-precision ozone concentration signal opto-electronic conversion and signal condition module, obtain the light filter circuit device of specific UV wavelength, the distinct program that computing machine is given according to different ozone concentrations, to temperature, pressure carries out auto-compensation, automatic calibration, the ozone concentration detected is directly shown, and the computer interface signal of 4～20mA current signal of outputting standard and standard, the alerting signal of super concentration and fault-signal, to meet teletransmission, the Technology Need of the aspects such as monitoring and automatic control.
(2) UV-absorption cell: the UVA pond should with not with the inert material manufacture of ozone chemically reactive, and there is good mechanical stability, the ozone loss of absorption cell can not be greater than 5%, optical path length is given value 99.5%.
(3) uviol lamp: the radiation of the 254nm that the ultraviolet light that uviol lamp produces is accepted by detecting device at least accounts for 99%, long service life.
(4) photometric detector: photometric detector can meet the sensitivity requirement of measuring under the 254nm wavelength.The measurement of concetration standard deviation be no more than 0.001mg/m3 (0 ℃, 101.3kPa) or concentration 2%.
(5) ozone breaker: air sample enters absorption cell after ozone breaker is removed ozone and interference gas, and measures IO by photometric detector.
(6) flowmeter: control the air mass flow that flows through the ozone analyzer device constant in error 2% scope of selected flow value.
(7) man-machine interface: the current concentration value of instrument man-machine interface simultaneous display, and by concentration value with 4～20mA standard current signal and output; Realize instrument the robotization adjustment, with the communication of host computer, meet the demand of remote data acquisition, control.
The beneficial effect of a kind of ozone concentration tester of the utility model is: solved ozone concentration tester in the prior art and, due to environmental impact and the asynchronous measuring error caused of test, improved measuring accuracy.It is simple in structure, uses, easy for installation, simple to operate, and measurement range is wide, can be online, continuously, high precision and control automatically, there is safe and reliable effect.
The above, be only embodiment of the present utility model, but protection domain of the present utility model is not limited to this, and any variation of expecting without creative work or replacement, within all should being encompassed in protection domain of the present utility model.Therefore, protection domain of the present utility model should be as the criterion with the protection domain that claims were limited.
Claims (6)
1. an ozone concentration tester, it is characterized in that: comprise the tester body, and be arranged on the intrinsic concentration tester plate of tester, and be arranged on the intrinsic pre-amplification circuit of tester, and be arranged on the intrinsic temperature sensor of tester, and be arranged on the intrinsic pressure unit of tester, and be arranged on the Switching Power Supply on the tester body, and be arranged on the uviol lamp on the tester body, described tester body is connected with automatic control system, described Switching Power Supply, pre-amplification circuit, pressure unit and temperature sensor all with concentration tester plate Electricity Federation, described Switching Power Supply is connected with uviol lamp, described tester body is provided with the gas input port.
2. ozone concentration tester according to claim 1, it is characterized in that: described gas input port is connected with filtrator, described filtrator is connected with gas analysis pool, described gas analysis pool is connected with ozone breaker, described ozone breaker is connected with UV-absorption cell, and described UV-absorption cell is connected with photometric detector.
3. ozone concentration tester according to claim 1, it is characterized in that: described automatic control system is connected with photometric detector.
4. ozone concentration tester according to claim 1 is characterized in that: described tester body bottom is provided with installing plate, and described installing plate is provided with mounting hole.
5. ozone concentration tester according to claim 1, it is characterized in that: described automatic control system is connected with the automatic gain amplifying circuit.
6. ozone concentration tester according to claim 5, is characterized in that: the realization of described automatic gain amplifying circuit employing programmable gain amplifier.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013203072394U CN203337532U (en) | 2013-05-31 | 2013-05-31 | Ozone concentration tester |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013203072394U CN203337532U (en) | 2013-05-31 | 2013-05-31 | Ozone concentration tester |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203337532U true CN203337532U (en) | 2013-12-11 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2013203072394U Expired - Fee Related CN203337532U (en) | 2013-05-31 | 2013-05-31 | Ozone concentration tester |
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| CN (1) | CN203337532U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106872366A (en) * | 2015-12-11 | 2017-06-20 | 新大陆科技集团有限公司 | A kind of low concentration ozone concentration detector of single light source |
| CN107064039A (en) * | 2017-04-19 | 2017-08-18 | 中国电子科技集团公司第四十九研究所 | A kind of detection method of ozone monitoring sensor and its ozone concentration based on phase lock amplifying technology |
| CN110879210A (en) * | 2019-12-09 | 2020-03-13 | 杭州华量检测技术有限公司 | Ozone concentration detection device |
| CN111796000A (en) * | 2020-07-07 | 2020-10-20 | 王垚 | Miniaturized ozone monitor based on gas-sensitive semiconductor and monitoring method |
-
2013
- 2013-05-31 CN CN2013203072394U patent/CN203337532U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106872366A (en) * | 2015-12-11 | 2017-06-20 | 新大陆科技集团有限公司 | A kind of low concentration ozone concentration detector of single light source |
| CN107064039A (en) * | 2017-04-19 | 2017-08-18 | 中国电子科技集团公司第四十九研究所 | A kind of detection method of ozone monitoring sensor and its ozone concentration based on phase lock amplifying technology |
| CN110879210A (en) * | 2019-12-09 | 2020-03-13 | 杭州华量检测技术有限公司 | Ozone concentration detection device |
| CN111796000A (en) * | 2020-07-07 | 2020-10-20 | 王垚 | Miniaturized ozone monitor based on gas-sensitive semiconductor and monitoring method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20131211 Termination date: 20210531 |
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| CF01 | Termination of patent right due to non-payment of annual fee |