CN217954212U - Oil particle counter with water content testing function - Google Patents
Oil particle counter with water content testing function Download PDFInfo
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- CN217954212U CN217954212U CN202123266432.1U CN202123266432U CN217954212U CN 217954212 U CN217954212 U CN 217954212U CN 202123266432 U CN202123266432 U CN 202123266432U CN 217954212 U CN217954212 U CN 217954212U
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Abstract
An oil particle counter with a water content testing function comprises a shell, wherein a liquid through pipe is penetratingly manufactured in the middle of the shell along the horizontal direction, an inspection pipe for detecting oil particles in the liquid through pipe is manufactured in the middle of the shell along the vertical direction, and an inspection hole communicated with a liquid discharging end of the inspection pipe is formed in the shell; the liquid passing pipe comprises a liquid inlet cavity and a liquid outlet cavity which are oppositely formed on the shell, and the opposite ends of the liquid inlet cavity and the liquid outlet cavity are communicated with a liquid passing detection crack; lenses for sealing and separating the detection crack and the inner cavity of the inspection tube are symmetrically and fixedly arranged in the middle of the inspection tube, and a laser tube and a receiving tube are oppositely arranged at two ends of the inspection tube; and a detection unit extending to the inside of the liquid discharge cavity is sealed and fixedly arranged in the inspection hole. This fluid particle counter can measure particulate matter quantity in the fluid to moisture content in the measurable quantity fluid, and through the detecting element who changes the adaptation, can be used to detect different material composition in the fluid, convenient and practical just does not influence the particulate matter measurement.
Description
Technical Field
The utility model relates to an experimental apparatus technical field specifically is a fluid particle counter with water content test function.
Background
At present, present fluid particle counter adopts laser probe transmission laser more to the receiver receives laser, and places logical oil liquid way between laser probe and the receiver, but this fluid particle counter's detection function is comparatively single, and often only can count the granule in many fluid, can't survey granule composition and the interior moisture content of fluid.
Therefore, how to design an oil particle counter, on the premise of measuring the number of particles in oil, it is an urgent problem to be solved by those skilled in the art to detect the moisture content therein.
Through published patent searches, the following comparison documents were found:
CN 201920901569.3-an oil particle counter-discloses an oil particle counter. The method comprises the following steps: the device comprises a body with a sample table and a heating device embedded on the top surface of the sample table. Compared with the prior art, the utility model provides a pair of fluid particle counter, including the body that has the sample platform with inlay the heating device who locates the sample platform top surface. Through above-mentioned structure, under the viscous condition of oil sample, can directly heat in equipment, the temperature can keep moreover, when saving time, has improved the accuracy of testing result.
Through analysis, the structure and the function of the oil-liquid particle counter in the patent are greatly different from those of the application, so that the novelty of the application is not influenced.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to overcome prior art's weak point, provide a fluid particle counter with water content test function, this fluid particle counter can measure the interior particulate matter quantity of fluid to moisture content in the measurable quantity fluid, and through the detecting element who changes the adaptation, can be used to detect different material composition in the fluid, convenient and practical just does not influence the particulate matter measurement.
An oil particle counter with a water content testing function comprises a shell, wherein a liquid through pipe is penetratingly manufactured in the middle of the shell along the horizontal direction, an inspection pipe for detecting oil particles in the liquid through pipe is manufactured in the middle of the shell along the vertical direction, and an inspection hole communicated with a liquid discharging end of the inspection pipe is formed in the shell; the liquid passing pipe comprises a liquid inlet cavity and a liquid outlet cavity which are oppositely formed on the shell, and the opposite ends of the liquid inlet cavity and the liquid outlet cavity are communicated with a liquid passing detection crack; lenses for sealing and separating the detection crack and the inner cavity of the inspection tube are symmetrically and fixedly arranged in the middle of the inspection tube, and a laser tube and a receiving tube are oppositely arranged at two ends of the inspection tube; and a detection unit extending to the inside of the liquid discharge cavity is sealed and fixedly arranged in the inspection hole.
Moreover, a main board is fixedly arranged on the top surface of the shell, and a signal amplification board is fixedly arranged on the bottom surface of the shell; the middle part of the mainboard is connected with a laser tube extending into the inspection tube, and the mainboard is electrically connected with the detection unit; the middle part of the signal amplification plate is connected with a receiving tube which extends into the inspection tube.
The detection unit comprises an oil plug and a moisture sensor, wherein the oil plug is in threaded connection with the inside of the inspection hole, and the bottom of the oil plug is compositely bonded with a rubber sealing block; the detection end of the moisture sensor extends downwards into the drainage cavity, the wire of the moisture sensor penetrates through the rubber sealing block and the oil plug upwards coaxially, and the top of the wire of the moisture sensor is electrically connected with the main board.
Moreover, a sealing rubber gasket is hermetically embedded at the joint of the lens and the inner wall of the inspection tube, and the lens comprises an emitting lens and a receiving lens; a detection crack is reserved between the bottom surface of the transmitting lens and the top surface of the receiving lens, wherein the transmitting lens is fixedly arranged inside the inspection tube at one end of the laser tube, and the receiving lens is fixedly arranged inside the inspection tube at one end of the receiving tube.
The upper section of the inspection hole is a cylindrical threaded hole, the middle section of the inspection hole is a tapered hole with a small opening end arranged downwards, and the lower section of the inspection hole is a stepped hole with the diameter smaller than or equal to the diameter of the small hole of the tapered hole; the section of the rubber sealing block is trapezoidal, and the circumferential outer wall of the rubber sealing block is extruded by the inner wall of the conical hole in a matched mode.
The upper section of the inspection hole is a cylindrical threaded hole, the middle section of the inspection hole is a cylindrical round hole, and the lower section of the inspection hole is a stepped hole with the diameter smaller than that of the cylindrical round hole; the cross section of the rubber sealing block is rectangular, and the bottom plane of the rubber sealing block is extruded by the top surface of the stepped hole in a matching mode.
The utility model has the advantages and the technical effect be:
the utility model discloses a fluid particle counter with water content test function, the main part that provides fluid light-resistant through the casing supports, fluid lets in by the feed liquor chamber and detects the crack, the intraductal laser tube of inspection, the receiver tube, transmitting lens and receiving lens are used for measuring the particle content through fluid in the detection crack, through inspection hole threaded connection detecting element, the removable other type sensor who is detecting the different composition of fluid of moisture sensor in the detecting element, through oily stifled lateral wall threaded connection inspection hole, by oily stifled axial extrusion rubber seal piece, the inseparable pressfitting of rubber seal piece after the extrusion deformation is in moisture sensor's wire periphery, avoid fluid to leak in the penetrating through gap in oily stifled and rubber seal piece by the wire.
The utility model discloses a fluid particle counter with water content test function can measure the interior particulate matter quantity of fluid to moisture content in the measurable quantity fluid, and through the detecting element who changes the adaptation, can be used to detect different material composition in the fluid, convenient and practical just does not influence the particulate matter measurement, is a fluid particle counter that has higher creativity.
Drawings
FIG. 1 is a half-sectional view of the present invention;
FIG. 2 is a schematic view of the connection structure of the detecting unit of the present invention (embodiment one);
FIG. 3 is a schematic view of the connection structure of the detecting unit of the present invention (embodiment II);
FIG. 4 is a schematic diagram of the connection of the working circuit of the present invention;
in the figure: 1-a shell; 2, a main board; 3-sealing the rubber mat; 4-laser tube; 5-an emission lens; 6-a detection unit; 7-liquid inlet cavity; 8-an amplification plate; 9-a receiving lens; 10-a receiving tube; 11-detecting a crack; 12-a moisture sensor; 13-liquid discharge cavity; 14-a rubber sealing block; 15-oil blocking; 16-a wire; 17-inspection of the wells.
Detailed Description
For further understanding of the contents, features and effects of the present invention, the following embodiments will be exemplified in conjunction with the accompanying drawings. It should be noted that the present embodiment is illustrative, not restrictive, and the scope of the invention should not be limited thereby.
An oil particle counter with a water content testing function comprises a shell 1, wherein a liquid through pipe penetrates through the middle of the shell along the horizontal direction, an inspection pipe for detecting oil particles in the liquid through pipe is arranged along the vertical direction in the middle of the shell, and an inspection hole 17 communicated with a liquid discharge end of the inspection pipe is formed in the shell; the liquid passing pipe comprises a liquid inlet cavity 7 and a liquid outlet cavity 13 which are oppositely formed on the shell, and the opposite ends of the liquid inlet cavity and the liquid outlet cavity are communicated with a liquid passing detection crack 11; lenses for sealing and separating the detection crack and the inner cavity of the inspection tube are symmetrically and fixedly arranged in the middle of the inspection tube, and a laser tube 4 and a receiving tube 10 are oppositely arranged at two ends of the inspection tube; and a detection unit 6 extending to the inside of the liquid discharge cavity is sealed and fixedly arranged in the inspection hole.
Moreover, the top surface of the shell is fixedly provided with a main board 2, and the bottom surface of the shell is fixedly provided with a signal amplification board 8; the middle part of the main board is connected with a laser tube extending into the inspection tube, and the main board is electrically connected with the detection unit; the middle part of the signal amplification plate is connected with a receiving tube which extends into the inspection tube.
The detection unit comprises an oil plug 15 and a moisture sensor 12, wherein the oil plug is in threaded connection with the inside of the inspection hole, and the bottom of the oil plug is compositely bonded with a rubber sealing block 14; the detection end of the moisture sensor extends downwards into the drainage cavity, the lead 16 of the moisture sensor coaxially penetrates through the rubber sealing block and the oil plug upwards, and the top of the lead of the moisture sensor is electrically connected with the main board.
Moreover, a sealing rubber gasket 3 is hermetically embedded at the joint of the lens and the inner wall of the inspection tube, and the lens comprises an emitting lens 5 and a receiving lens 9; a detection crack is reserved between the bottom surface of the transmitting lens and the top surface of the receiving lens, wherein the transmitting lens is fixedly arranged inside the inspection tube at one end of the laser tube, and the receiving lens is fixedly arranged inside the inspection tube at one end of the receiving tube.
The upper section of the inspection hole is a cylindrical threaded hole, the middle section of the inspection hole is a tapered hole with a small opening end arranged downwards, and the lower section of the inspection hole is a stepped hole with the diameter smaller than or equal to the diameter of the small hole of the tapered hole; the section of the rubber sealing block is trapezoidal, and the circumferential outer wall of the rubber sealing block is extruded by the inner wall of the conical hole in a matched mode.
The upper section of the inspection hole is a cylindrical threaded hole, the middle section of the inspection hole is a cylindrical round hole, and the lower section of the inspection hole is a stepped hole with the diameter smaller than that of the cylindrical round hole; the cross section of the rubber sealing block is rectangular, and the bottom plane of the rubber sealing block is extruded by the top surface of the stepped hole in a matching mode.
Additionally, the utility model discloses preferred, moisture sensor, laser pipe, receiver tube, mainboard and enlarge the board and all adopt the ripe product among the prior art.
To more clearly illustrate the embodiments of the present invention, an example is provided below:
the utility model discloses a fluid particle counter with water content test function, the measurement should let in fluid in the feed liquor chamber department of casing when examining, fluid after the flowing back chamber discharge of casing detects, and fluid need earlier through detecting crack measurement particle quantity in leading to the liquid pipe, rethread detecting element detects the inside composition of fluid (like moisture etc.), this detection order and structural design, can avoid stretching into the inside vortex that forms of leading to the liquid pipe such as moisture sensor in the fluid, avoid reducing particle count precision.
The utility model discloses a circuit connection of fluid particle counter with water content test function is shown as figure 4, this fluid particle counter's working process and principle:
1. when the test is started, the sample oil sample passes through the liquid inlet cavity 7 and the detection slit 11 in sequence and is discharged out of the instrument through the liquid discharge cavity 13;
2. when testing, the laser tube 4 is electrified to emit laser rays; the emission lens 5 processes the light beam and outputs a parallel uniform light beam to irradiate in the detection slit;
3. when the oil in the detection slit contains particles, the particles can shield the light beam, so that the light beam projected on the receiving lens 9 fluctuates, is focused by the receiving lens 9 and then irradiates on the receiving tube 10. The receiving tube 10 generates current fluctuation corresponding to the particulate matter according to the change of the received light energy, the current fluctuation is converted into corresponding voltage fluctuation through a corresponding resistor on the amplifying plate 8, the voltage is amplified through an amplifier LV2772 on the amplifying plate 8 to form a voltage signal for direct counting, and then the signal is transmitted to the main board 2 for counting. After the main board 2 receives the voltage signal of the amplifying board 8, firstly, the voltage amplitude is compared through a comparator circuit consisting of LM339, so that the particle size of the particles is obtained, then, the counting operation is carried out on the voltage signal of each amplitude through a counting chip EP2C5T, and finally, the counting result of each amplitude voltage signal is transmitted to a main processing chip STM32F407 for data processing and display;
4. the moisture sensor 12 is arranged in the liquid discharge cavity 13, and a lead of the moisture sensor penetrates through the oil plug and the rubber sealing block and is connected with the main board. After the oil liquid passes through the detection slit to detect the number of particles, the oil liquid flows into the liquid discharge cavity 13, so that the moisture sensor 12 is completely immersed in the oil liquid. At this time, the moisture sensor 12 can directly test the water content parameter in the oil, and directly transmit the test result to the main chip STM32F407 of the motherboard 2 for processing and displaying.
5. Mainboard 2 is the control core of instrument, accomplishes the overall planning of test and processing function by main chip STM32F407, both is responsible for the acquisition and processing of sensor data, accessible screen again, with user interactive operation instrument. In the testing process, displaying the testing data on a screen in real time; and storing the test result in the instrument after the test is finished.
6. The instrument main body shell 1 is an instrument foundation and provides a detection oil way, and the minimum pressure resistance is 10 kilograms.
The parts of the utility model which are not described all adopt the mature products and the mature technical means in the prior art.
It will be understood that modifications and variations can be made by persons skilled in the art in light of the above teachings and all such modifications and variations are considered to be within the scope of the invention as defined by the following claims.
Claims (6)
1. The utility model provides an oil particle counter with water content test function which characterized in that: the inspection device comprises a shell, wherein a liquid through pipe is penetratingly arranged in the middle of the shell along the horizontal direction, an inspection pipe for detecting oil particles in the liquid through pipe is arranged in the middle of the shell along the vertical direction, and an inspection hole communicated with a liquid discharge end of the inspection pipe is arranged on the shell; the liquid passing pipe comprises a liquid inlet cavity and a liquid outlet cavity which are oppositely formed on the shell, and the opposite ends of the liquid inlet cavity and the liquid outlet cavity are communicated with a liquid passing detection crack; lenses for sealing and separating the detection crack and the inner cavity of the inspection tube are symmetrically and fixedly arranged in the middle of the inspection tube, and a laser tube and a receiving tube are oppositely arranged at two ends of the inspection tube; and a water content detection unit extending to the inside of the liquid discharge cavity is sealed and fixedly arranged in the inspection hole.
2. The oil particle counter with the water content testing function of claim 1, wherein: a main board is fixedly arranged on the top surface of the shell, and a signal amplification board is fixedly arranged on the bottom surface of the shell; the middle part of the main board is connected with a laser tube extending into the inspection tube, and the main board is electrically connected with the water content detection unit; the middle part of the signal amplification board is connected with a receiving tube extending into the inspection tube.
3. The oil particle counter with the water content testing function as claimed in claim 1, wherein: the water content detection unit comprises an oil plug and a water content sensor, wherein the oil plug is in threaded connection with the inside of the inspection hole, and a rubber sealing block is compositely bonded at the bottom of the oil plug; the detection end of the moisture sensor extends downwards into the drainage cavity, a wire of the moisture sensor penetrates through the rubber sealing block and the oil plug upwards coaxially, and the top of the wire of the moisture sensor is electrically connected with the main board.
4. The oil particle counter with the water content testing function of claim 1, wherein: a sealing rubber gasket is hermetically embedded at the joint of the lens and the inner wall of the inspection tube, and the lens comprises an emitting lens and a receiving lens; and a detection crack is reserved between the bottom surface of the transmitting lens and the top surface of the receiving lens, wherein the transmitting lens is fixedly arranged in the inspection tube at one end of the laser tube, and the receiving lens is fixedly arranged in the inspection tube at one end of the receiving tube.
5. The oil particle counter with the water content testing function of claim 3, wherein: the upper section of the inspection hole is a cylindrical threaded hole, the middle section of the inspection hole is a tapered hole with a small opening end arranged downwards, and the lower section of the inspection hole is a stepped hole with the diameter smaller than or equal to the diameter of the small hole of the tapered hole; the cross section of the rubber sealing block is in a body shape, and the circumferential outer wall of the rubber sealing block is extruded by the inner wall of the conical hole in a matched mode.
6. The oil particle counter with the water content testing function of claim 3, wherein: the upper section of the inspection hole is a cylindrical threaded hole, the middle section of the inspection hole is a cylindrical round hole, and the lower section of the inspection hole is a stepped hole with the diameter smaller than that of the cylindrical round hole; the cross section of the rubber sealing block is rectangular, and the bottom plane of the rubber sealing block is extruded by the top surface of the stepped hole in a matching mode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123266432.1U CN217954212U (en) | 2021-12-23 | 2021-12-23 | Oil particle counter with water content testing function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123266432.1U CN217954212U (en) | 2021-12-23 | 2021-12-23 | Oil particle counter with water content testing function |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217954212U true CN217954212U (en) | 2022-12-02 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202123266432.1U Active CN217954212U (en) | 2021-12-23 | 2021-12-23 | Oil particle counter with water content testing function |
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| CN (1) | CN217954212U (en) |
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- 2021-12-23 CN CN202123266432.1U patent/CN217954212U/en active Active
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