On-line detector for ethanol content of automobile ethanol gasoline

Abstract

The invention relates to the field of automobile ethanol gasoline ethanol content detection, in particular to an automobile ethanol gasoline ethanol content online detector which comprises a pipeline shell and a sensor assembly used for detecting the ethanol content of ethanol gasoline. The sensor assembly is arranged on the oil conveying pipeline through the pipeline shell; according to the online detector for the ethanol content of the automobile ethanol gasoline, the infrared absorption difference of specific spectrum frequency bands of gasoline and ethanol is utilized, the actual application structural characteristics are combined, detection is directly carried out when oil passes through, the detection error caused by manual operation is prevented, the detection efficiency is high, real-time monitoring can be carried out for a long time, and the online detector is suitable for large-batch oil detection; detection is carried out in a fully-closed state of oil, external interference can be avoided, detection is more accurate, and meanwhile, calculation and external communication can be carried out through the CPU communication module based on data, so that the technical effects of remote monitoring and real-time detection of the ethanol content of the oil in the oil channel are achieved.

Description

Technical Field

[0001] The invention belongs to the field of automobile ethanol gasoline ethanol content detection, and specifically relates to an automobile ethanol gasoline ethanol content online detector. Background Art

[0002] Ethanol gasoline is a mixed fuel, which is a mixture of ethanol and gasoline in a certain proportion, usually expressed as E10 (10% ethanol), E15 (15% ethanol), etc. Accurate detection of ethanol content is crucial to ensure the quality, performance and safety of ethanol gasoline. The ethanol content detection of automobile ethanol gasoline refers to the determination of the ethanol content in gasoline to ensure that it meets the prescribed standards and requirements.

[0003] Through strict ethanol content testing, the quality of ethanol gasoline can be effectively monitored to ensure its reliability and environmental friendliness in practical applications. With the continuous advancement of testing technology, the testing of ethanol gasoline will become more efficient, accurate and convenient, making greater contributions to promoting the development of green energy.

[0004] In the prior art, there are two methods for detecting the ethanol content of automobile ethanol gasoline: one is to use the measuring cup melt water method, and the other is to use a spectrometer in a laboratory. The measuring cup melt water method can only detect a small amount of samples, and cannot track the overall ethanol content. The detection time is long, and the human factor has a great influence during the detection, and the detection data is not accurate enough. Although the detection results are accurate through the spectrometer, due to its high cost and long detection period, it is more suitable for research. Therefore, how to overcome the above-mentioned technical problems and defects has become a key problem that needs to be solved. Summary of the invention

[0005] The purpose of the present invention is to overcome the defects described in the background technology, thereby realizing an online detector for ethanol content in automobile ethanol gasoline, so as to solve the problems in the prior art that only a small amount of samples can be detected, the ethanol content in automobile ethanol gasoline cannot be tracked, the detection time is long and the cost is high.

[0006] In order to achieve the above-mentioned object of the invention, the technical solution of the present invention is:

[0007] An online detector for ethanol content in automobile ethanol gasoline comprises a pipeline housing and a sensor assembly for detecting the ethanol content in automobile ethanol gasoline. The sensor assembly is arranged inside the pipeline housing, and the sensor assembly is arranged on an oil pipeline through the pipeline housing.

[0008] Specifically, an oil channel is opened at the bottom of the sensor assembly. After the sensor assembly is installed on the pipeline housing, the oil channel at the bottom of the sensor assembly is located inside the pipeline housing.

[0009] In the above-mentioned online detector for ethanol content in automobile ethanol gasoline, the pipeline shell includes a butt pipe and a connecting flange. The connecting flanges are symmetrically arranged at both ends of the butt pipe to form an oil inlet end and an oil outlet end of the oil pipeline. The two symmetrically arranged connecting flanges and the inside of the butt pipe form an oil path chamber channel.

[0010] Furthermore, a sensor installation hole is opened at the top of the butt joint pipe, and the sensor assembly is fixed and sealed through the sensor installation hole at the top of the butt joint pipe.

[0011] In the above-mentioned online detector for ethanol content in automobile ethanol gasoline, the butt pipe and the connecting flange are both circular, and the connecting flange is an oil circuit connecting sealing flange.

[0012] In the above-mentioned online detector for ethanol content in automobile ethanol gasoline, the sensor assembly further comprises a sensor housing, and a photosensitive unit for detecting ethanol content is arranged inside the sensor housing.

[0013] Specifically, the sensor housing is a cylindrical shell with an open top, a closed bottom and a limit pad integrally arranged on the outside, and the oil channel is opened on the side of the lower end of the sensor housing.

[0014] Furthermore, the sensor housing is arranged at the sensor mounting hole through a fixing nut. When the sensor housing is installed to the top of the sensor mounting hole, the limit pad is located at the top of the sensor mounting hole, and the oil channel is located inside the oil chamber channel.

[0015] In the above-mentioned online detector for ethanol content in automobile ethanol gasoline, the light sensing unit includes light-transmitting glass, a reflective lens and a signal processing circuit board. The light-transmitting glass and the reflective lens are respectively arranged inside the sensor housing, and the signal processing circuit board is arranged in the oil channel above the light-transmitting glass through a circuit board bracket.

[0016] Specifically, the light-transmitting glass is fixedly mounted inside the sensor housing above the oil channel, and the reflective lens is fixedly embedded on the bottom inner wall of the sensor housing below the oil channel.

[0017] In the above-mentioned online detector for ethanol content in automobile ethanol gasoline, the signal processing circuit board includes an infrared transmitting tube and two infrared receiving sensors, the infrared transmitting tube is arranged on one side of the circuit board bracket, and the two infrared receiving sensors are arranged on the other side of the circuit board bracket.

[0018] Furthermore, a shading plate is provided between the infrared transmitting tube and the two infrared receiving sensors.

[0019] In the above-mentioned online detector for ethanol content in automobile ethanol gasoline, there are two infrared receiving sensors, one is an infrared receiving sensor that receives specific wavelength one and is used as a reference to compensate for the correction data, and the other is an infrared receiving sensor that receives specific wavelength two and senses the absorption of light at the corresponding wavelength.

[0020] In the above-mentioned online detector for ethanol content in automobile ethanol gasoline, a boss is integrally provided at the location where the light-transmitting glass is installed on the sensor housing, the light-transmitting glass is mounted on the boss, and a sealing gasket is provided between the light-transmitting glass and the boss.

[0021] In the above-mentioned online detector for ethanol content in automobile ethanol gasoline, the sensor assembly also includes a CPU communication module for signal collection and aggregation and external data communication.

[0022] In the above-mentioned online detector for ethanol content in automobile ethanol gasoline, the CPU communication module is arranged inside the sensor housing above the light sensing unit.

[0023] Compared with the prior art, the online detector for ethanol content in automobile ethanol gasoline of the present invention has at least the following beneficial effects:

[0024] 1. The online detector for ethanol content in automobile ethanol gasoline of the present invention selects an infrared receiving sensor with a specific wavelength of one as a reference for compensating and correcting data, selects an infrared receiving sensor with a specific wavelength of two for sensing infrared absorption, and combines a specific structure and shape to make the light emitted by the infrared transmitting tube pass through the liquid to be tested and reach the two infrared receiving sensors, and then pass through the post-stage signal processing unit of the CPU communication module and the CPU digitization unit to achieve: collection and communication, so as to detect the ethanol content in gasoline and connect and integrate secondary instruments.

[0025] 2. The oil passing through the inside of the pipeline shell is detected by installing the sensor assembly in the pipeline shell. The oil can be directly detected when it passes through without manual operation, thus preventing the result error caused by manual operation. The oil detection efficiency is high, and real-time monitoring can be performed for a long time, which is suitable for large-scale oil detection.

[0026] 3. By using infrared light to detect the oil in a fully enclosed state, external interference can be effectively avoided, and the detection results are more accurate. At the same time, the CPU communication module can be used to perform calculations based on data and communicate with the outside world at the same time, thereby achieving the technical effect of remote monitoring and real-time detection of the ethanol content in the oil channel. BRIEF DESCRIPTION OF THE DRAWINGS

[0027] Figure 1 It is a three-dimensional structural schematic diagram of an online detector for ethanol content in automobile ethanol gasoline of the present invention;

[0028] Figure 2 It is a three-dimensional schematic diagram of the cross-sectional structure of the online detector for ethanol content in automobile ethanol gasoline of the present invention;

[0029] Figure 3 It is a three-dimensional structural schematic diagram of a sensor assembly of an online detector for ethanol content in automobile ethanol gasoline of the present invention;

[0030] Figure 4 It is a three-dimensional schematic diagram of the cross-sectional structure of the lower part of the sensor assembly of the online detector for ethanol content in automobile ethanol gasoline of the present invention;

[0031] Figure 5 The present invention is a schematic diagram of the optical path reversal of the sensor assembly of the online detector for ethanol content in automobile ethanol gasoline.

[0032] In the figure:

[0033] 1- Pipe shell:

[0034] 101-butt pipe; 102-connection flange; 103-oil chamber channel; 104-sensor mounting hole;

[0035] 2-Sensor assembly:

[0036] 201- oil channel;

[0037] 202-sensor housing, 221-limiting pad, 222-fixing nut;

[0038] 203-light sensing unit, 231-translucent glass, 232-reflective lens, 233-signal processing circuit board, 234-infrared transmitting tube, 235-infrared receiving sensor;

[0039] 204-circuit board bracket, 241-shading plate;

[0040] 205-sealing gasket;

[0041] 206-CPU communication module. DETAILED DESCRIPTION

[0042] The online detector for ethanol content in automobile ethanol gasoline of the present invention is described in more detail below with reference to the accompanying drawings and through specific implementations.

[0043] In the description of the present invention, it is necessary to understand that the terms "upper", "lower", "front", "back", "left", "right", "top", "bottom", "inside", "outside", etc., indicating the orientation or position relationship are based on the orientation or position relationship shown in the drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present invention.

[0044] Example 1

[0045] This embodiment discloses an online detector for the ethanol content of automobile ethanol gasoline, which is used to solve the problems that the prior art can only detect a small amount of samples, cannot track the ethanol content of automobile ethanol gasoline, and has a long detection time and high cost. Figure 1 , comprising a pipeline housing 1 and a sensor assembly 2 for detecting the ethanol content of automobile ethanol gasoline, wherein the sensor assembly 2 is arranged inside the pipeline housing 1. The sensor assembly 2 is arranged on the oil pipeline through the pipeline housing 1. By installing the pipeline housing 1 and the sensor assembly on the pipeline housing 2, the oil passing through can be detected while the oil is being transported, and the oil can be detected in large quantities.

[0046] To test the oil as it passes through, see Figure 2 The bottom of the sensor assembly 2 is provided with an oil channel 201. After the sensor assembly 2 is mounted on the pipeline housing 1, the oil channel 201 at the bottom of the sensor assembly 2 is located inside the pipeline housing 1. The oil passing through the oil channel 201 at the bottom of the sensor assembly 2 can be detected in real time.

[0047] To install the sensor assembly on the oil pipeline, refer to Figure 1 , Figure 2 The pipeline housing 1 includes a butt joint pipe 101 and a connecting flange 102. The sensor assembly is installed on the oil pipeline through the connecting flange 102. In this embodiment, the connecting flanges 102 are symmetrically arranged at both ends of the butt joint pipe 101 to form the oil inlet end and the oil outlet end of the oil pipeline, and the two symmetrically arranged connecting flanges 102 and the inside of the butt joint pipe 101 form an oil passage chamber 103.

[0048] To ensure smooth oil flow, refer to Figure 2 The butt joint 101 and the connection flange 102 are both circular. At the same time, in order to ensure the sealing performance when connected with the oil pipeline, the connection flange 102 is an oil pipeline connection sealing flange.

[0049] To facilitate installation of the sensor assembly, refer to Figure 2 A sensor mounting hole 104 is opened at the top of the butt joint pipe 101 , and the sensor assembly 2 is fixed and sealed in the sensor mounting hole 104 at the top of the butt joint pipe 101 .

[0050] To detect the oil passing through during oil delivery, refer to Figure 2 , Figure 3The sensor assembly 2 further includes a sensor housing 202, and a light sensing unit 203 for detecting the ethanol content is disposed inside the sensor housing 202. The sensor housing 202 is used to protect the light sensing unit 203 inside, and the light sensing unit 203 is used to detect the oil passing through.

[0051] To install the sensor housing, see Figure 2 The sensor housing 202 is arranged at the sensor mounting hole 104 through a fixing nut 222. The sensor housing 202 is a cylindrical shell with an open top, a closed bottom and a limit pad 221 integrally arranged on the outside. The oil channel 201 is opened at the lower side of the sensor housing 202.

[0052] In this embodiment, in order to facilitate the oil inlet and outlet of the oil channel 201, see Figure 2 When the sensor housing 202 is installed to the top of the sensor mounting hole 104 , the limiting pad 221 is located at the top of the sensor mounting hole 104 , and the oil channel 201 is located inside the oil chamber channel 103 .

[0053] To detect the ethanol content of oil by optical sensing unit, see Figure 4 The light sensing unit 203 includes a light-transmitting glass 231, a reflective lens 232 and a signal processing circuit board 233. The light-transmitting glass 231 and the reflective lens 232 are respectively arranged inside the sensor housing 202, and the signal processing circuit board 233 is arranged in the oil channel 201 above the light-transmitting glass 231 through a circuit board bracket 204.

[0054] Specifically, the light-transmitting glass 231 is fixedly mounted inside the sensor housing 202 above the oil channel 201, and the reflective lens 232 is fixedly embedded on the bottom inner wall of the sensor housing 202 below the oil channel 201. The oil channel is between the light-transmitting glass and the reflective lens, so that the light is reflected by the reflective lens 232 after passing through the oil.

[0055] Meanwhile, the signal processing circuit board 233 includes an infrared emitting tube 234 and two infrared receiving sensors 235 . The infrared emitting tube 234 is arranged on one side of the circuit board bracket 204 , and the two infrared receiving sensors 235 are arranged on the other side of the circuit board bracket 204 .

[0056] In this embodiment, the two infrared receiving sensors 235, one is an infrared receiving sensor that receives specific wavelength one and is used as a reference for compensating the correction data, and the other is an infrared receiving sensor that receives specific wavelength two and senses the absorption of light at the corresponding wavelength.

[0057] Specifically, the specific wavelength one is 3.95um, and the specific wavelength two is 2.98um.

[0058] Through the above structure, the reflective lens 232 is arranged below the oil channel 201, and the transparent lens 231 is arranged above the oil channel 201, forming a seal above and below the oil channel 201, so that the oil can continue to flow in the oil channel 201. Figure 5 Behind the light-transmitting glass 231, infrared light within a certain bandwidth is emitted by the infrared emitting tube 234 of the signal processing circuit board 233. The emitted infrared light passes through the light-transmitting glass 231, passes through the oil in the oil channel 201, reaches the reflective lens 232, is refracted by the reflective lens 232, and is reflected back after passing through the light-transmitting glass 231 again, and reaches the infrared receiving sensor of specific wavelength one (3.95um) and the infrared receiving sensor of specific wavelength two (2.98um).

[0059] In this embodiment, the infrared receiving sensor of specific wavelength 1 is used as a reference to compensate the correction data, and the infrared receiving sensor of specific wavelength 2 is used to sense the absorption of light at the corresponding wavelength. Due to the difference in the molecular composition of oil and alcohol, the absorption of infrared light of some wavelengths is quite different. Based on this principle, the ethanol content of the corresponding oil passing through the oil channel 201 can be calculated.

[0060] To prevent the infrared light emitted by the infrared emitting tube 234 from reaching the infrared receiving sensor from the side and interfering with it, see Figure 4 A light shielding plate 241 is provided between the infrared emitting tube 234 and the two infrared receiving sensors 235. The infrared emitting tube 234 is isolated by the light shielding plate 241, thereby preventing infrared rays from directly reaching the infrared receiving sensors from the side, thereby preventing them from interfering with the sensing data.

[0061] Example 2

[0062] The same points as the above embodiment will not be repeated here, but the difference is that:

[0063] To ensure the sealing of the top of the oil channel, refer to Figure 4 The sensor housing 202 is integrally provided with a boss at the location where the light-transmitting glass 231 is installed. The light-transmitting glass 231 is mounted on the boss. A sealing gasket 205 is provided between the light-transmitting glass 231 and the boss.

[0064] Through the above structure, the top of the oil channel can be sealed by the sealing gasket 205 and the transparent glass 231, thereby preventing the oil from entering the signal processing circuit board 233.

[0065] Example 3

[0066] The same points as the above embodiment will not be repeated here, but the difference is that:

[0067] See also Figure 2 The sensor assembly 2 also includes a CPU communication module 206 for signal collection and aggregation and external data communication. At the same time, the CPU communication module 206 is arranged inside the sensor housing 202 above the light sensing unit 203.

[0068] Through the CPU communication module 206, when the infrared receiving sensors of specific wavelength one and specific wavelength two sense the absorption of light at the corresponding wavelength, data can be collected, calculations can be performed based on the data, and communication with the outside can be performed at the same time, thereby achieving the technical effect of real-time detection of the ethanol content of the oil in the oil channel.

[0069] The working principle of the online detector for ethanol content in automobile ethanol gasoline of the present invention is as follows:

[0070] When the present invention is in use, the two ends of the pipeline housing 1 are installed on the oil pipeline through the docking flanges 102. When the oil pipeline starts to transport oil, the oil enters the oil chamber channel 103 and then passes through the oil channel 201. The reflective lens 232 and the transparent lens 231 form a seal above and below the oil channel 201, so that the oil can continue to flow in this oil channel 201. At the same time as the oil channel 201, the infrared emitting tube 234 emits infrared light within a certain bandwidth. The emitted infrared light passes through the transparent glass 231 and the oil in the oil channel 201 to reach the reflective lens 232. After being refracted by the reflective lens 232 and reflected back, it passes through the transparent glass 231 again. Combined with the specific structure and shape, the light emitted by the infrared emitting tube passes through the measured liquid and reaches the infrared receiving sensor of specific wavelength one and the infrared receiving sensor of specific wavelength two. The infrared receiving sensor of specific wavelength one is used as the reference signal compensation data, and the infrared receiving sensor of specific wavelength two is used to detect the detection value after the emitted light passes through the ethanol gasoline. Due to the difference in the molecular composition of the oil and alcohol, the absorption performance of some wavelengths of infrared light is quite different. Based on this principle, the data of the infrared receiving sensor 235 is collected through the CPU communication module 206, and calculations are performed based on the data. At the same time, communication is performed with the outside, so as to achieve the technical effect of real-time detection of the ethanol content of the oil in the oil channel and calculate the ethanol content of the corresponding oil passing through the oil channel 201.

[0071] It should be noted that, when the device is implemented, the structure described in the drawings of this specification is not a fixed and unchanging implementation method. In addition, the drawings of this specification and the drawings of the abstract are only schematic diagrams and do not represent the specific structure and actual quantity of the specific implementation.

[0072] Unless otherwise defined, the technical or scientific terms used herein shall have the ordinary meaning understood by a person of ordinary skill in the field to which the invention belongs. The use of "one" or "an" and other similar words in the specification and claims of this application does not necessarily indicate a quantitative limitation. "Include" or "comprises" and other similar words mean that the elements or components appearing before the word include the elements or components listed after the word and their equivalents, without excluding other elements or components. "Connect" or "connected" and other similar words are not limited to physical or mechanical connections, but may include electrical connections, whether direct or indirect.

[0073] The exemplary implementation modes of the present invention are described in detail above with reference to the preferred embodiments. However, it can be understood by those skilled in the art that, without departing from the concept of the present invention, various modifications and variations can be made to the above-mentioned specific embodiments, and various combinations of the technical features and structures proposed in the present invention can be made without exceeding the protection scope of the present invention.

Claims

1. An online detector for ethanol content in automobile ethanol gasoline, characterized in that: It comprises a pipeline housing and a sensor assembly for detecting the ethanol content of automobile ethanol gasoline, wherein the sensor assembly is arranged inside the pipeline housing, and the sensor assembly is arranged on the oil pipeline through the pipeline housing; An oil channel is provided at the bottom of the sensor assembly. After the sensor assembly is mounted on the pipeline housing, the oil channel at the bottom of the sensor assembly is located inside the pipeline housing.

2. The online detector for ethanol content in automobile ethanol gasoline according to claim 1, characterized in that: The pipeline housing includes a butt-joint pipe and a connecting flange, wherein the connecting flanges are symmetrically arranged at both ends of the butt-joint pipe to form an oil inlet end and an oil outlet end of the oil pipeline, and the two symmetrically arranged connecting flanges and the inside of the butt-joint pipe form an oil passage chamber; A sensor installation hole is opened at the top of the butt-joint pipe, and the sensor assembly is fixedly and sealedly arranged in the sensor installation hole at the top of the butt-joint pipe.

3. The online detector for ethanol content in automobile ethanol gasoline according to claim 2, characterized in that: The butt pipe and the connecting flange are both circular, and the connecting flange is an oil circuit connecting sealing flange.

4. The online detector for ethanol content in automobile ethanol gasoline according to claim 2, characterized in that: The sensor assembly further comprises a sensor housing, wherein a light sensing unit for detecting ethanol content is arranged inside the sensor housing; The sensor housing is a cylindrical housing with an open top, a closed bottom and a limit pad integrally arranged on the outside, and the oil channel is opened on the side of the lower end of the sensor housing; The sensor housing is arranged at the sensor mounting hole through a fixing nut. When the sensor housing is installed to the top of the sensor mounting hole, the limit pad is located at the top of the sensor mounting hole, and the oil channel is located inside the oil chamber channel.

5. The online detector for ethanol content in automobile ethanol gasoline according to claim 4, characterized in that: The light sensing unit includes a light-transmitting glass, a reflective lens and a signal processing circuit board, wherein the light-transmitting glass and the reflective lens are respectively arranged inside the sensor housing, and the signal processing circuit board is arranged in the oil channel above the light-transmitting glass through a circuit board bracket; The light-transmitting glass is fixedly mounted inside the sensor housing above the oil channel, and the reflective lens is fixedly embedded on the bottom inner wall of the sensor housing below the oil channel.

6. The online detector for ethanol content in automobile ethanol gasoline according to claim 5, characterized in that: The signal processing circuit board includes an infrared transmitting tube and two infrared receiving sensors, wherein the infrared transmitting tube is arranged on one side of the circuit board bracket, and the two infrared receiving sensors are arranged on the other side of the circuit board bracket; A shading plate is arranged between the infrared emitting tube and the two infrared receiving sensors.

7. The online detector for ethanol content in automobile ethanol gasoline according to claim 6, characterized in that: The two infrared receiving sensors, one is an infrared receiving sensor for receiving specific wavelength one and is used as a reference for compensating correction data, and the other is an infrared receiving sensor for sensing the absorption of light at the corresponding wavelength and is used for receiving specific wavelength two.

8. The online detector for ethanol content in automobile ethanol gasoline according to claim 5, characterized in that: A boss is integrally arranged at the location where the light-transmitting glass is installed on the sensor housing, the light-transmitting glass is mounted on the boss, and a sealing gasket is arranged between the light-transmitting glass and the boss.

9. The online detector for ethanol content in automobile ethanol gasoline according to any one of claims 1 to 8, characterized in that: The sensor assembly also includes a CPU communication module for signal collection and aggregation and external data communication.

10. The online detector for ethanol content in automobile ethanol gasoline according to claim 9, characterized in that: The CPU communication module is arranged inside the sensor housing above the light sensing unit.

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