CN2383066Y - Detector for oil/liquid particle pollution - Google Patents
Detector for oil/liquid particle pollution Download PDFInfo
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- CN2383066Y CN2383066Y CN 99232097 CN99232097U CN2383066Y CN 2383066 Y CN2383066 Y CN 2383066Y CN 99232097 CN99232097 CN 99232097 CN 99232097 U CN99232097 U CN 99232097U CN 2383066 Y CN2383066 Y CN 2383066Y
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- light source
- plane
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- sensor
- display screen
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Abstract
The utility model relates to a detector for oil liquid particle pollution, which is composed of an oil liquid sampling device, a pollution detecting device and signal cables, wherein, the oil liquid sampling device comprises a sensor, an air pump and a sample container; the pollution detecting device is a computer processing system; a semiconductor light-emitting element is adopted in the sensor of the oil liquid sampling device to be used as light source and form a directly projecting optical circuit with other optical elements. The detector for oil liquid particle pollution has the advantages that not only the precision and the repeatability for the detection are good, but also the operation is convenient; the maintenance or debugging on site is convenient; the cost is low, and the price is only 20 % of that of the product abroad with the same use.
Description
The utility model relates to a kind of particle contamination condition detection instrument of industrial fluid.
The research of industry oil-liquid-solid particle contamination control engineering starts from the sixties in this century abroad, and development has formed one so far and overlapped complete detection control theory and designed corresponding apparatus.In these equipment, representational product is: the UCC series particle collector of the HIAC-8000A type particle collector of U.S. Pacific Ocean company, the PLC-2000 type laser particle counter of U.S. PARKER company, German West Germany good fortune company.For the said goods, the critical component that influences performance, serviceable life is a sensor, and the sensor in the existing product is generally LASER Light Source, the price of the MC-20 sensor (end of the year 98 be 1.2 ten thousand dollars) not only costs an arm and a leg, and only be 2~4 years serviceable life, also must demarcate again about 2 years, demarcate about 2.5 ten thousand Renminbi of debugging cost at every turn.Because there are the problems referred to above in sensor, greatly hindered oil contamination to detect applying of control technology and developed.Domestic since this century the eighties set foot in the research of oil-liquid-solid particle contamination control, but still has ripe detecting instrument appearance so far.
The purpose of this utility model is to overcome the deficiencies in the prior art, and a kind of improved fluid particle contamination detector is provided, and this kind detector not only cost reduces significantly, and increase serviceable life, power consumption reduces.
The purpose of this utility model is achieved in that the problem that exists at existing detector improves, and replaces LASER Light Source and carries out the light path design and the structural design of sensor according to the characteristics of new light sources with new light source.
The detector that the utility model provides is made up of fluid sampler, pollution detection device and signal cable.The fluid sampler is transformed into picture signal with the fluid that is detected, and signal cable is imported pollution detection device with picture signal, and pollution detection device converts picture signal to digital signal and carries out providing testing result after the analyzing and processing.The fluid sampler comprises sensor, gas piping, air pump, petroleum pipeline and the sampling receptacle of installing in shell and the shell; Pollution detection device is a computer processing system, comprises main frame and the external unit installed in casing, the casing.Sensor in the fluid sampler is made up of light source assembly, image-forming block and video camera; Light source assembly comprises light source and installation thereof, align member, and light source is a semiconductor monochromatic light emitters part, and image-forming block comprises pollutant display screen, objective lens and installation thereof, adjustment member; The light path that light source, pollutant display screen and objective lens form is the direct-injection type light path.
Sensor light source in the detector that the utility model provides---semiconductor monochromatic light emitters part can be a light emitting diode, also can be light emitting transistor, not only cheapness but also be easy to obtain.Pollutant display screen according to the design of this kind light source characteristics is the divergence expression narrow slit structure, assemble by two block-shaped identical glass blocks, glass blocks be shaped as thin column, the one side end face is the combinatorial surface on plane and inclined-plane, the plane is positioned at the middle part, the inclined-plane is distributed in the both sides up and down on plane symmetrically, the assembling mode of two blocks of glass are planes with the relative installation of combinatorial surface on inclined-plane and middle facial planes between leave the slit that fluid passes through, this slit is 0.3~1 millimeter.When detected fluid passes through this kind display screen, can realize by tubule dispersing to the plane, form the thin curtain shape fluid of desired thickness at the place, slit, demonstrate contamination particle in the fluid with continuous pictures, data have been played tangible smoothing effect, bring better basis of signals for computing and statistics, help improving the accuracy and the repeatability of detection.
Concrete structure of the present utility model is provided by following embodiment and accompanying drawing thereof.
Fig. 1 is a kind of structural drawing according to fluid particle contamination detector provided by the utility model;
Fig. 2 is the front view of fluid sampler;
Fig. 3 is the cut-away view after Fig. 2 removes protecgulum;
Fig. 4 is the cut-away view after Fig. 2 removes bonnet;
Fig. 5 is the front view of pollution detection device;
Fig. 6 is the A-A cut-open view of Fig. 5;
Fig. 7 is the B-B cut-open view of Fig. 5;
Fig. 8 is the structural drawing of sensor;
Fig. 9 is the structural drawing of light source assembly;
Figure 10 is the front view of the composition member of pollutant display screen;
Figure 11 is the side view of the composition member of pollutant display screen;
Figure 12 is the index path of sensor.
Embodiment:
Fluid particle contamination detector in the present embodiment is made up of fluid sampler 1, pollution detection device 2 and signal cable 3; The fluid sampler is mutually discrete with pollution detection device, connects with signal cable between them, as shown in Figure 1.The structure of fluid sampler such as Fig. 2, Fig. 3, shown in Figure 4 comprise sensor 8, air pump 11, gas piping 9, petroleum pipeline 10 and the sampling receptacle 13 installed in shell 4 and the shell, and sampling receptacle has two, and one is sampling jar, and one is the oil return bottle; Air pump 11 links to each other with sampling jar by gas piping 9, sampling jar connects to chew with the oil-feed of sensor 8 by petroleum pipeline 10 and links to each other, the oil return bottle connects to chew by petroleum pipeline 10 and sensor 8 fuel-displaced and links to each other, fluid to be measured under the effect of pressure gas in the sampling jar is admitted to sensor, and the fluid after the detection flow to the oil return bottle.Shell is combined to form by support ring, protecgulum 5, bonnet 6, and its bottom is provided with movable footrest 7, and its top is provided with carrying handle 12.The structure of pollution detection device such as Fig. 5, Fig. 6, shown in Figure 7, comprise keyboard, casing 14 and be installed in the interior blower fan 15 of casing, image pick-up card 16, main frame 17, keyboard circuit 18, keyboard stube cable 20, printer 22, switch 23 and the LCD 19, the guidance panel 21 that are arranged on the casing, keyboard is a quadruple linkage system button.The structure of the sensor in the fluid sampler is made up of light source assembly 24, image-forming block and video camera 32 as shown in Figure 8; The structure of light source assembly is assembled by frosted glass plate 37, light source base 38, spring 39, gland 40, light source cover 41 and light source 42 as shown in Figure 9; Light source base 38 is the shoulder hole ladder barrel, is used to install frosted glass plate 37 and light source cover 41, and light source 42 is positioned at light source cover inner chamber and bonding with light source cover inwall, and the light source cover is fixed on the light source base by spring 39 and gland 40; Light source 42 is a light emitting diode.The structure of image-forming block as shown in Figure 8, comprise bearing 25, connect chew 26, sampling groove 27, fixing sleeve 28, connecting cylinder 29, lens barrel 30, pollutant display screen 33, objective lens 34 and O-ring seal 35; Pollutant display screen 33 is assembled by two block-shaped identical glass blocks, one is bonded on the bearing 25, one is bonded on the sampling groove 27, the shape of glass blocks such as Figure 10, shown in Figure 11 are thin column, and the one side end face is the combinatorial surface on plane and inclined-plane, the plane is positioned at the middle part, the inclined-plane is distributed in the both sides up and down on plane symmetrically, the assembling mode of two blocks of glass are planes with the relative installation of combinatorial surface on inclined-plane and middle facial planes between leave the slit 36 that fluid passes through, this slit is 0.6 millimeter; Connecing and chewing 26 is two, is installed on the sampling groove 27, and one is the inlet of fluid to be detected---inlet nozzle, and one is the outlet of test fluid---fuel-displaced chewing; Objective lens 34 is installed in connecting cylinder 29 and the lens barrel 30; Bearing 25, sampling groove 27, connecting cylinder 29 and lens barrel 30 are integral with being threaded by fixing sleeve 28.Video camera 32 is assembled into one by connecting cylinder 31 and image-forming block, as shown in Figure 8.The light path that light source 42, frosted glass plate 37, pollutant display screen 33 and objective lens 34 form is the direct-injection type light path as shown in figure 12.
Structure of the present utility model is not limited to the foregoing description, and for example, fluid sampler and pollution detection device can be designed to monolithic construction, and light source can be selected light emitting transistor for use.
The utlity model has following advantage:
1. compare with external same use product, the cost decrease, its cost is only sold for external same use product About 20% of valency.
2. as light source the power consumption of sensor is greatly reduced with semiconductor monochromatic light emitters part, its power consumption only is external inspection 0.5~25% of sensor power in the survey instrument is the miniaturization of instrument, portable laying the foundation.
With semiconductor monochromatic light emitters part as light source, be at least 5 years the service life of sensor, and external sensing The life-span of device is generally 2~4 years, and in use can to cause performance to descend necessary because of the decay of LASER Light Source Debug, pay expensive debugging charge.
4. easy operating is safeguarded or debugging can be carried out at the user scene, returns production factory and needn't resemble the external instrument Family or professional technique service point carry out.
The design feature of fluid contamination thing display screen and with connect the assembling mode of chewing detected fluid carried out by tubule dispersing to the plane before detecting slit, thereby the further diastole of pollutant and being evenly distributed, data have been played tangible smoothing effect, with respect to the reducing-pitch thread slit, bring better basis of signals for computing and statistics, help improving the accuracy and the repeatability of detection.
6. sampling receptacle and sensor are arranged in same casing, have overcome the secondary pollution of detected sample effectively.
Claims (4)
1. fluid particle contamination detector, by fluid sampler (1), pollution detection device (2) and signal cable (3) are formed, the fluid sampler comprises the sensor of installing in shell (4) and the shell (8), gas piping (9), air pump (11), petroleum pipeline (10) and sampling receptacle (13), pollution detection device is a computer processing system, comprise casing, main frame and the external unit installed in the casing, sensor in the fluid sampler is by light source assembly (24), image-forming block and video camera (32) are formed, light source assembly comprises light source (42) and installs, align member, image-forming block comprises pollutant display screen (33), objective lens (34) and installation thereof, adjust member, it is characterized in that the light source (42) in the sensor is a semiconductor monochromatic light emitters part, light source (42), pollutant display screen (33) is the direct-injection type light path with the light path that objective lens (34) forms.
2. fluid particle contamination detector according to claim 1 is characterized in that semiconductor monochromatic light emitters part is light emitting diode or light emitting transistor.
3. fluid particle contamination detector according to claim 1 and 2, it is characterized in that pollutant display screen (33) is assembled by two block-shaped identical glass blocks, glass blocks be shaped as thin column, the one side end face is the combinatorial surface on plane and inclined-plane, the plane is positioned at the middle part, the inclined-plane is distributed in the both sides up and down on plane symmetrically, the assembling mode of two blocks of glass are planes with the relative installation of combinatorial surface on inclined-plane and middle facial planes between leave the slit (36) that fluid passes through.
4. fluid particle contamination detector according to claim 3 is characterized in that forming that the slit (36) between the facial planes is 0.3~1 millimeter in two blocks of glass of pollutant display screen (33).
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN 99232097 CN2383066Y (en) | 1999-07-15 | 1999-07-15 | Detector for oil/liquid particle pollution |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN 99232097 CN2383066Y (en) | 1999-07-15 | 1999-07-15 | Detector for oil/liquid particle pollution |
Publications (1)
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CN2383066Y true CN2383066Y (en) | 2000-06-14 |
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Application Number | Title | Priority Date | Filing Date |
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CN 99232097 Expired - Fee Related CN2383066Y (en) | 1999-07-15 | 1999-07-15 | Detector for oil/liquid particle pollution |
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CN (1) | CN2383066Y (en) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN100434896C (en) * | 2005-05-08 | 2008-11-19 | 西安交通大学 | Online method for measuring oil density in oil containing sewage and device thereof |
CN100567950C (en) * | 2007-06-08 | 2009-12-09 | 南京航空航天大学 | Oil contaminant comprehensive detection system and detection method |
CN101655457B (en) * | 2009-09-22 | 2011-01-12 | 孟国营 | Detection method and sensor for overloading gear oil dustiness |
-
1999
- 1999-07-15 CN CN 99232097 patent/CN2383066Y/en not_active Expired - Fee Related
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN100434896C (en) * | 2005-05-08 | 2008-11-19 | 西安交通大学 | Online method for measuring oil density in oil containing sewage and device thereof |
CN100567950C (en) * | 2007-06-08 | 2009-12-09 | 南京航空航天大学 | Oil contaminant comprehensive detection system and detection method |
CN101655457B (en) * | 2009-09-22 | 2011-01-12 | 孟国营 | Detection method and sensor for overloading gear oil dustiness |
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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 |