CN2862012Y - Full flow type light-tight smoke-meter - Google Patents
Full flow type light-tight smoke-meter Download PDFInfo
- Publication number
- CN2862012Y CN2862012Y CNU200520130730XU CN200520130730U CN2862012Y CN 2862012 Y CN2862012 Y CN 2862012Y CN U200520130730X U CNU200520130730X U CN U200520130730XU CN 200520130730 U CN200520130730 U CN 200520130730U CN 2862012 Y CN2862012 Y CN 2862012Y
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- cpu
- control section
- flow type
- housing
- full flow
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/10—Internal combustion engine [ICE] based vehicles
- Y02T10/40—Engine management systems
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- Investigating Or Analysing Materials By Optical Means (AREA)
Abstract
The utility model relates to a full flow type opaque smokemeter, comprising a measuring unit and a control unit of a separated structure; the measuring unit comprises a shell and a measuring chamber and measuring circuit arranged in the shell; the control unit comprises a shell and a control circuit arranged in the shell. The measuring circuit comprises a SCM CPU, an A/D converter, a first-grade amplifier, a second-grade amplifier, an optical electrical converter, an LED, power supply, and an oil temperature sensor; the control circuit comprises a SCM CPU, a speed sensor, an amplifier, a comparator, a LCD, a clock chip, key set, and a printer. In the utility model, D S12C887 clock chip is arranged in the circuit to display time and for the convenience of application; numbers of license plates in each province, autonomous region, and municipality nationwide can be stored in the chip; before detection, we may enter into the license plate number of the vehicle to be detected, and store the measurement result and the vehicle detected, for the convenience of inquiry and call on request, suitable for the detection of visible pollutants in the smoke emission from a motorcycle engine.
Description
Technical field
The utility model belongs to the measurement mechanism field that environmental protection is used, and relates to a kind of full flow type opacity smoke meter, is particularly suited for detecting the portable intelligent instrument of visible pollutant in the motorcycle engine smoke evacuation.
Background technology
Development along with modern motorcycle industry, people are after satisfying the requirement of motorcycle performance and comfort level, also more and more higher to environmental protection requirement, the visible of motorcycle emission causes very big harm to our living environment, and whether the smoke intensity that therefore will detect visible pollutant in the exhaust meets national Specification.Mostly checkout equipment in the past is the detection to automobile, to the detection of motorcycle emission still seldom, but the waste gas of motorcycle emission brings very big harm to our life, need be to the blue smoke of motorcycle emission, white cigarette, mist of oil see detecting of refuse.Present detecting instrument, when carrying out surveying work in the open air, not free demonstration can bring great inconvenience on the instrument; And in use, owing to there is not the setting of license plate number, each vehicle does not have and testing result is set up good corresponding relation, make very the confusion of when rechecking, seeming, each vehicle detection situation can not be understood when inspecting clearly by department of leading body at a higher level, and should measure just meaningful under certain standard at rotating speed when detecting.
Summary of the invention
Problem to be solved in the utility model is, overcome the deficiencies in the prior art, provide a kind of data full flow type opacity smoke meter accurate, simple to operate, the demonstration time and the storage cart trade mark, tachometric survey is accurate, lay a good foundation for satisfying measuring condition, be specially adapted to open-air the detection, user-friendly.
The utility model solves its technical matters and takes following technical scheme to realize:
According to a kind of full flow type opacity smoke meter that the utility model provides, comprise the measuring unit and the control module of split-type structural, measuring unit is made up of measuring chamber that is equipped with in housing and the housing and metering circuit; Control module is made up of the control circuit that is equipped with in housing and the housing, it is characterized in that: described metering circuit is made up of singlechip CPU, A/D converter, one-level amplifier, two-stage amplifier, photoelectric commutator, light emitting diode, power supply and oil temperature sensor; Photoelectric commutator is connected with the input sequence of one-level amplifier, two-stage amplifier, A/D converter and measure portion CPU, oil temperature sensor is connected with the input sequence of amplifier, A/D converter and measure portion CPU, measure portion CPU is through the two-way connection control section host CPU of data line difference, and light source is that light emitting diode links to each other with power supply; Described control circuit is made up of singlechip CPU, speed probe, amplifier, comparer, LCD, clock chip, button and printer; The control section host CPU is through data line two-way connection secondary CPU of control section of difference and clock chip, and speed probe is connected with the input sequence of amplifier, comparer and control section host CPU; The output of control section host CPU connects LCD and printer respectively, and the input of secondary CPU of control section connects button, and secondary CPU of control section is through the two-way connection PC of data line, with the PC serial communication.
It is to take following technical scheme further to realize that the utility model solves its technical matters:
The measurement passage is housed in the aforesaid measuring chamber, has two holes in the middle of the measurement passage,, be the light emitted end, light emitting diode is housed in it Yi Bian diversing lens is housed; Another side is equipped with receiver lens, is the light source receiving end, and photoelectric commutator is housed in it; Leave a verification mouth that can insert basic filter at diversing lens one end, thermostatically-controlled equipment and heating plate are installed in to be measured on the channel outer wall.
One power input socket is arranged on the housing of aforesaid measuring unit;
There is a usefulness signal cable to connect the measuring-signal interface socket of measure portion CPU on the housing of aforesaid measuring unit to the control section host CPU;
The smoke evacuation inlet tube and the smoke evacuation outlet that are connected with measurement passage in the measuring chamber are arranged on the housing of aforesaid measuring unit, and the smoke evacuation inlet tube is connected with the front end barretter;
Have one to insert the tachometric survey jack of speed probe on the housing rear panel of aforesaid control module to amplifier;
There is a usefulness signal cable to connect the measurement interface of control section host CPU on the housing rear panel of aforesaid control module to measure portion CPU;
Have on the housing rear panel of aforesaid control module one with the PC serial communication interface;
On the housing rear panel of aforesaid control module a power input socket is arranged;
The printer paper outlet of one printer is arranged on the housing rear panel of aforesaid control module.
The utility model compared with prior art has significant advantage and beneficial effect.
The utility model is equipped with heating plate in measuring chamber, to the measuring chamber preheating, thermostatically-controlled equipment can be to the measuring chamber thermostatic control after start, make the temperature of measuring chamber tube wall remain on 63 ℃-65 ℃, the prevention condensation makes water remain on gaseous state, avoids the influence of temperature change measuring accuracy.Owing to increased clock chip, can be on liquid crystal display the demonstration time, be specially adapted to open-air the detection, user-friendly, and utilize the storage space of DS12C887 chip, China each province, city, municipal car plate head are stored into, when the check vehicle, just can directly call the input license plate number.And the engine cylinder number of tested vehicle can be set, and measure rotating speed accurately, but printer changes the paper direct control in addition, take off roller bearing as long as open printer rear cover, change new printer paper and get final product, need not open cabinet, simple and fast more.
Embodiment of the present utility model is provided in detail by following examples and accompanying drawing thereof.
Description of drawings
Fig. 1 is a measuring unit contour structures synoptic diagram of the present utility model;
Fig. 2 is the measuring chamber structural representation of measuring unit of the present utility model;
Fig. 3 is a control module contour structures synoptic diagram of the present utility model;
Fig. 4 is a control module housing rear panel arrangenent diagram of the present utility model;
Fig. 5 is a schematic block circuit diagram of the present utility model;
Fig. 6 is a metering circuit schematic diagram of the present utility model;
Fig. 7 is a control circuit schematic diagram of the present utility model;
Among the figure:
Measuring unit 101. smoke evacuation inlet tubes 102. power input sockets 103. measuring-signal interface sockets 104. supports 105. smoke evacuation outlets 106. measure path 10s 7. measure channel outer walls 108. diversing lens 108 '. housing 115. measuring chambers 116. heating plates of receiver lens 109. light emitted ends 110. light source receiving ends 111. thermostatically-controlled equipments 112. verification mouths 113. front end barretters 114. measuring units
2. the housing rear panel 206. tachometric survey jacks 207. of housing front panel 205. control modules of housing 202. LCD 203. buttons 204. control modules of control module 201. control modules are measured the outlet of interface 208. communication interfaces 209. power input sockets 210. printer papers
Embodiment
Below in conjunction with accompanying drawing and preferred embodiment, embodiment, structure, feature and effect thereof that foundation the utility model is provided, describe in detail as after.
See also Fig. 1-7, a kind of full flow type opacity smoke meter comprises the measuring unit and the control module of split-type structural, and measuring unit 1 is made up of the measuring chamber 115 and the metering circuit that are equipped with in housing 114 and the housing; One power input socket 102 is arranged on the housing 114 of measuring unit and connect the measuring-signal interface socket 103 of measure portion CPU to the control section host CPU with signal cable, the smoke evacuation inlet tube 101 and the smoke evacuation outlet 105 that are connected with measurement path 10 6 in the measuring chamber 115 are arranged on the housing of measuring unit, and the smoke evacuation inlet tube is connected with front end barretter 113.The measurement passage is housed in the measuring chamber, has two holes in the middle of the measurement passage,, be light emitted end 109, light emitting diode is housed in it Yi Bian diversing lens 108 is housed; Another side be equipped with receiver lens 108 ', be light source receiving end 110, photoelectric commutator is housed in it; Leave a verification mouth 112 that can insert basic filter at diversing lens one end, thermostatically-controlled equipment 111 and heating plate 116 are installed in to be measured on the channel outer wall 107.When the flue gas of motorcycle emission behind front end barretter 113, current stabilization becomes uniform cigarette, enters the measurement passage by smoke evacuation inlet tube 101, opens two holes in the middle of the passage, be light emitted end 109 on one side, be that the light that light source receiving end 110,109 sends becomes directional light through diversing lens 108 on one side, pass the flue gas of measuring in the passage, pass through receiver lens 108 ' again and be focused at optical receiving end, produce electric signal, what of channels spread loss light measuring, and just determined the size of light obscuration N.Contain aqueous vapor in the smoke evacuation, bring very big error if be condensed into liquid meeting to measurement result, so come temperature in the control survey passage at 63 ℃-65 ℃ by thermostatically-controlled equipment 111, be that water remains on gaseous state, at last, flue gas is discharged by exhaust exit pipe 105, and verification mouth 112 can insert basic filter and come tester.
Metering circuit is made up of singlechip CPU, A/D converter, one-level amplifier, two-stage amplifier, photoelectric commutator, light emitting diode, power supply and oil temperature sensor; Photoelectric commutator is connected with the input sequence of one-level amplifier, two-stage amplifier, A/D converter and measure portion CPU, oil temperature sensor is connected with the input sequence of amplifier, A/D converter and measure portion CPU, measure portion CPU is through the two-way connection control section host CPU of data line difference, and light source is that light emitting diode links to each other with power supply.Photoelectric commutator changes into electric signal with the light signal that records, be the original signal of N value, carry out twice amplification by two amplifier U8 OP2337, and can be by digital regulation resistance U4 X9313 control enlargement factor, reach optimum condition, after carrying out the A/D conversion through A/D converter U2 again, give measure portion CPU, CPU converts by handling, calculate the K value, after U7 SP232 level conversion, send secondary CPU of control section to together with the N value, and host CPU, and show.The brightness of digital regulation resistance U5 X9313 may command light emitting diode.Oil temperature sensor on measuring chamber and the photoelectric commutator amplifies by U6LMC660, through the A/D conversion of U2, sends CPU to again, sends control section host CPU, the duty of display instrument after treatment again to.
Control circuit is made up of singlechip CPU, speed probe, amplifier, comparer, LCD, clock chip, button and printer; The control section host CPU is through data line two-way connection secondary CPU of control section of difference and clock chip DS12C887, and clock chip shows the time and the storage cart trade mark reliably.Speed probe is connected with the input sequence of amplifier, comparer and control section host CPU; The output of control section host CPU connects LCD and printer respectively, and the input of secondary CPU of control section connects button, and secondary CPU of control section is through the two-way connection PC of data line, with the PC serial communication.
U1 control section host CPU links to each other with secondary CPU of U2 control section and to carry out communication; Link to each other with U12, tach signal is handled; Link to each other with Jdis, carry out liquid crystal display; Link to each other with U5, printable measurement result and; Link to each other with U3, can carry out the input of time and license plate number.
Secondary CPU of U2 control section links to each other with U8, handles key value; Link to each other with U5, can finish communication with PC.
Measure portion is passed to secondary CPU of U2 control section with the state of N (light obscuration), K (absorption coefficient of light) value and the instrument of measurement by serial communication, secondary CPU of U2 control section passes to U1 control section host CPU with these values with to the result of button then, calculate and handle, U1 control section host CPU links to each other with U6CD4053 with secondary CPU of U2 control section, be connected to U5SP232 and finish level conversion, U6CD4053 can finish the selection to secondary CPU of U2 control section links to each other with PC or secondary CPU of U1 control section links to each other with printer.The tach signal that detection obtains passes through the filtering of U12, after amplification and the comparison, sends the counter of U1 control section host CPU to, calculates the rotating speed of engine.Clock chip U3 links to each other with U1 control section host CPU, current time is handled and shows, and provide the data storage cell of oneself, for the input of license plate number provides the space.The Jdis liquid crystal display links to each other with U1 control section host CPU, N, K after handling, rotating speed, time, license plate number is set and the state and the various information of instrument show simple and fast, user friendly operation.
Principle of work of the present utility model: light source (light emitting diode) sends optical system for testing, the optical receiver (photoelectric commutator) that is absorbed with of flue gas carries out opto-electronic conversion in measuring passage, generate electric signal, amplifying through secondary and giving measure portion CPU by the A/D conversion and handle, measure portion CPU can pass to the control section host CPU to the state of data that record and instrument and show; External speed probe, through processing such as amplification, A/D conversions, sending the control section host CPU to carries out data processing, can demonstrate the present engine rotating speed, and with the condition of rotating speed as the end measurement; Secondary CPU of control section can scan key-press status, with the control of complete operation personnel to instrument, and under the networking state, is responsible for the communication with PC, and finishes and the data of control section host CPU and the transmission or the reception of state; Built-in printer can be printed measurement result at any time.
In circuit, increased the DS12C887 clock chip, and by software setting can show year, month, day, the time and branch, be very easy to user's use, and the car file leader of national each province, autonomous region and municipality directly under the Central Government stored into, before detecting, can import the license plate number of tested vehicle, like this, instrument just gets up measurement result and tested vehicle storage, easily calling between inquiry and each functional department.
Claims (10)
1. full flow type opacity smoke meter comprises the measuring unit and the control module of split-type structural, and measuring unit is made up of measuring chamber that is equipped with in housing and the housing and metering circuit; Control module is made up of the control circuit that is equipped with in housing and the housing, it is characterized in that: described metering circuit is made up of singlechip CPU, A/D converter, one-level amplifier, two-stage amplifier, photoelectric commutator, light emitting diode, power supply and oil temperature sensor; Photoelectric commutator is connected with the input sequence of one-level amplifier, two-stage amplifier, A/D converter and measure portion CPU, oil temperature sensor is connected with the input sequence of amplifier, A/D converter and measure portion CPU, measure portion CPU is through the two-way connection control section host CPU of data line difference, and light source is that light emitting diode links to each other with power supply; Described control circuit is made up of singlechip CPU, speed probe, amplifier, comparer, LCD, clock chip, button and printer; The control section host CPU is through data line two-way connection secondary CPU of control section of difference and clock chip, and speed probe is connected with the input sequence of amplifier, comparer and control section host CPU; The output of control section host CPU connects LCD and printer respectively, and the input of secondary CPU of control section connects button, and secondary CPU of control section is through the two-way connection PC of data line, with the PC serial communication.
2. full flow type opacity smoke meter according to claim 1 is characterized in that: the measurement passage is housed in the described measuring chamber, has two holes in the middle of the measurement passage, Yi Bian diversing lens is housed, be the light emitted end, light emitting diode is housed in it; Another side is equipped with receiver lens, is the light source receiving end, and photoelectric commutator is housed in it; Leave a verification mouth that can insert basic filter at diversing lens one end, thermostatically-controlled equipment and heating plate are installed in to be measured on the channel outer wall.
3. full flow type opacity smoke meter according to claim 1 is characterized in that: a power input socket is arranged on the housing of described measuring unit.
4. full flow type opacity smoke meter according to claim 1 is characterized in that: have a usefulness signal cable to connect the measuring-signal interface socket of measure portion CPU to the control section host CPU on the housing of described measuring unit.
5. full flow type opacity smoke meter according to claim 1 is characterized in that: the smoke evacuation inlet tube and the smoke evacuation outlet that are connected with measurement passage in the measuring chamber are arranged on the housing of described measuring unit, and the smoke evacuation inlet tube is connected with the front end barretter.
6. full flow type opacity smoke meter according to claim 1 is characterized in that: have one to insert the tachometric survey jack of speed probe to amplifier on the housing rear panel of described control module.
7. full flow type opacity smoke meter according to claim 1 is characterized in that: have a usefulness signal cable to connect the measurement interface of control section host CPU to measure portion CPU on the housing rear panel of described control module.
8. full flow type opacity smoke meter according to claim 1 is characterized in that: have on the housing rear panel of described control module one with the PC serial communication interface.
9. a kind of full flow type opacity smoke meter according to claim 1 is characterized in that: on the housing rear panel of described control module a power input socket is arranged.
10. full flow type opacity smoke meter according to claim 1 is characterized in that: the printer paper outlet of a printer is arranged on the housing rear panel of described control module.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU200520130730XU CN2862012Y (en) | 2005-12-23 | 2005-12-23 | Full flow type light-tight smoke-meter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU200520130730XU CN2862012Y (en) | 2005-12-23 | 2005-12-23 | Full flow type light-tight smoke-meter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2862012Y true CN2862012Y (en) | 2007-01-24 |
Family
ID=37659643
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU200520130730XU Expired - Fee Related CN2862012Y (en) | 2005-12-23 | 2005-12-23 | Full flow type light-tight smoke-meter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2862012Y (en) |
-
2005
- 2005-12-23 CN CNU200520130730XU patent/CN2862012Y/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |