On-line monitoring device for counting and distribution of particulate matters in fluid

Abstract

The utility model provides an online monitoring device for counting distribution of particulate matters in fluid, which relates to the field of online particulate matter monitoring equipment and comprises a shell, the shell comprises a shell and a sealing door, a monitoring component and an analysis component are mounted in an inner cavity of the shell, and the shell is used for supporting the monitoring component and the analysis component. The monitoring assembly comprises a sealing cylinder, a monitoring pipe, a laser transmitter, a lens, a liquid inlet pipe, a liquid outlet pipe, a flushing pipe and a blow-off pipe; by arranging the monitoring assembly and the analysis assembly, the effect of monitoring the concentration and particle size distribution of particles in the fluid to be detected is achieved, the monitoring assembly irradiates flowing hydraulic oil through laser beams, the laser beams penetrate through the particles in the fluid, the intensity of scattered light is measured, and the detection accuracy is improved. An inner cavity of the monitoring pipe can be flushed through a liquid inlet pipe, a flushing pipe, a liquid outlet pipe and a blow-off pipe, so that maintenance can be facilitated, and monitoring data is prevented from being affected by long-time attached particulate matters.

Description

Technical Field

[0001] The utility model belongs to the field of particulate matter on-line monitoring equipment, and specifically relates to an on-line monitoring device for particulate matter counting distribution in a fluid. Background Art

[0002] The on-line monitoring device for particulate matter counting distribution in a fluid is a device specifically used for real-time monitoring of the concentration and particle size distribution of particulate matter in a liquid. The on-line monitoring device for particulate matter counting distribution in a fluid has important application value in industries such as pharmaceuticals, chemical engineering, and food processing, and can provide strong technical support for improving product quality and optimizing production processes. During the processing of hydraulic oil, an on-line monitoring device for particulate matter counting distribution is required to monitor petroleum in real time to ensure the processing quality of hydraulic oil;

[0003] According to the Chinese patent application number: 202020147933.4, there is disclosed an on-line monitoring sensor for oil particle size in metallurgical equipment, belonging to the technical field of sensors, including a mounting base, a sensor main body, a display component, and a connection component. The front end of the mounting base is fixedly connected with the sensor main body, the front end of the sensor main body is fixedly connected with the display component, and a connection component is arranged between the display component and the sensor main body; the connection component includes a metal bellows, a first connecting shaft, and a second connecting shaft. One side of the metal bellows is fixedly connected with the sensor main body, the other side of the metal bellows is fixedly connected with the display component, and the first connecting shaft and the second connecting shaft are arranged at the four corners inside the metal bellows. The first connecting shaft is sleeved outside the second connecting shaft. On the premise that the sensor still remains sealed inside the sensor, the air pressure inside the sensor is reduced, the safety performance is improved, and the service life of the display component is increased;

[0004] The prior art effectively solves the problem that as the temperature rises, the air expands and contracts due to thermal expansion and cold contraction, resulting in an increase in the air pressure inside the sensor, an increase in the probability of damage to electronic components as the temperature rises, and a reduction in service life. It has the advantages of improving the safety and service life of use. However, this kind of particulate matter counting distribution monitoring device is not convenient for maintenance during daily use, so that the particulate matter attached to the pipe wall easily affects the monitoring results.

[0005] In summary, therefore, the utility model provides an on-line monitoring device for particulate matter counting distribution in a fluid to solve the above problems. Summary of the Utility Model

[0006] In order to solve the above technical problems, the utility model provides the following technical solutions:

[0007] An on-line monitoring device for particulate matter counting distribution in a fluid, comprising a housing, the housing includes a shell and a sealing door, a monitoring component and an analysis component are installed in the inner cavity of the shell, the housing is used to provide support for the monitoring component and the analysis component, the monitoring component includes a sealing cylinder, a monitoring pipe, a laser emitter, a lens, a liquid inlet pipe, a liquid outlet pipe, a flushing pipe and a sewage discharge pipe, the lens and the monitoring pipe are both installed in the inner cavity of the sealing cylinder, the liquid inlet pipe and the flushing pipe are installed on the top of the sealing cylinder, the liquid outlet pipe and the sewage discharge pipe are installed on the bottom of the sealing cylinder, the laser emitter is installed on one side of the sealing cylinder, and the emitting end of the laser emitter penetrates into the inner cavity of the sealing cylinder. The monitoring component is used to monitor the particulate matter in the hydraulic oil. The analysis component includes a PCB board, an MCU chip, a receiver, an amplifier and a comparator, and the analysis component is used to analyze the monitoring signal.

[0008] Further, in the present utility model, the monitoring component further includes a liquid inlet valve, a flushing valve, a liquid outlet valve and a sewage discharge valve. The sealing cylinder is fixedly connected to the inner wall of the sealing door. One end of the flushing pipe is communicated with the liquid inlet pipe, and one end of the sewage discharge pipe is communicated with the liquid outlet pipe.

[0009] Further, in the present utility model, one end of the liquid inlet pipe penetrates into the inner cavity of the sealing cylinder and is communicated with the monitoring pipe, one end of the liquid outlet pipe penetrates into the inner cavity of the sealing cylinder and is communicated with the monitoring pipe, and the lens is fixedly connected to the laser emitter.

[0010] Further, in the present utility model, the liquid inlet valve is installed on the surface of the liquid inlet pipe, the flushing valve is installed on the surface of the flushing pipe, the liquid outlet valve is installed on the surface of the liquid outlet pipe, and the sewage discharge valve is installed on the surface of the sewage discharge pipe.

[0011] Further, in the present utility model, the analysis component further includes a communication module. The MCU chip, the amplifier and the comparator are all installed on the surface of the PCB board, and the PCB board is fixedly connected to the inner wall of the shell.

[0012] Further, in the present utility model, the output end of the receiver is connected to the input end of the amplifier, the output end of the amplifier is connected to the input end of the comparator, the output end of the comparator is connected to the input end of the MCU chip, and the output end of the MCU chip is respectively connected to the input ends of the communication module and the display.

[0013] Further, in the present utility model, a display is installed on the surface of the sealing door. The sealing door is hinged to the shell through a hinge, and a bracket is fixedly connected to the back of the shell.

[0014] Beneficial effects: The present utility model has the following beneficial effects:

[0015] The utility model provides a housing and a sealing door, which can install and protect the monitoring component and the analysis component, so that the monitoring component and the analysis component can be less interfered by external environmental factors. By setting the monitoring component and the analysis component, the utility model can monitor the particulate matter concentration and particle size distribution in the hydraulic oil. The monitoring component irradiates the flowing hydraulic oil with a laser beam, and measures the intensity of the scattered light by using the laser beam passing through the particles in the fluid. The analysis component analyzes according to the characteristics of the scattered light and determines the diameter range and quantity of the particles, so as to monitor the particulate matter concentration and particle size distribution in the hydraulic oil in real time. The inner cavity of the monitoring pipe can be flushed through the liquid inlet pipe, the flushing pipe, the liquid outlet pipe and the sewage discharge pipe, so as to facilitate maintenance and prevent the particulate matter attached for a long time from affecting the monitoring data. Description of the Drawings

[0016] Figure 1 is the front view structural schematic diagram of the utility model;

[0017] Figure 2 is the connection state structural schematic diagram of the housing, the monitoring component and the analysis component of the utility model;

[0018] Figure 3 is the front view sectional structural schematic diagram of the sealing cylinder of the utility model;

[0019] Figure 4 is the schematic diagram of the particulate matter monitoring process of the utility model.

[0020] In the figure:

[0021] 1. Outer shell; 101. Housing; 102. Sealing door; 103. Bracket; 2. Monitoring component; 201. Sealing cylinder; 202. Monitoring pipe; 203. Laser emitter; 204. Lens; 205. Liquid inlet pipe; 206. Liquid outlet pipe; 207. Flushing pipe; 208. Sewage discharge pipe; 209. Liquid inlet valve; 210. Flushing valve; 211. Liquid outlet valve; 212. Sewage discharge valve; 3. Analysis component; 301. PCB board; 302. MCU chip; 303. Receiver; 304. Amplifier; 305. Comparator; 306. Communication module; 4. Display. Detailed Embodiment

[0022] To better understand the technical content of the present utility model, specific embodiments are hereby presented and described in conjunction with the accompanying drawings. In the present disclosure, aspects of the present utility model are described with reference to the drawings, in which numerous illustrative embodiments are shown. The embodiments of the present disclosure do not necessarily define all aspects of the present utility model. It should be understood that the various concepts and embodiments introduced above, as well as those described in more detail below, can be implemented in any of a number of ways, because the concepts and embodiments disclosed in the present utility model are not limited to any particular implementation. Additionally, some aspects of the present utility model disclosed can be used alone, or in any suitable combination with any other aspects of the present utility model disclosed.

[0023] Embodiment 1

[0024] As Figures 1-4 shown, this is the first embodiment of the present utility model. This embodiment provides an on-line monitoring device for particulate matter count distribution in a fluid, including a housing 1. The housing 1 includes a housing body 101 and a sealing door 102. A monitoring component 2 and an analysis component 3 are installed in the inner cavity of the housing body 101. The housing 1 is used to provide support for the monitoring component 2 and the analysis component 3. The monitoring component 2 includes a sealing cylinder 201, a monitoring tube 202, a laser emitter 203, a lens 204, a liquid inlet tube 205, a liquid outlet tube 206, a flushing tube 207, and a sewage discharge tube 208. The lens 204 and the monitoring tube 202 are both installed in the inner cavity of the sealing cylinder 201. The liquid inlet tube 205 and the flushing tube 207 are installed on the top of the sealing cylinder 201. The liquid outlet tube 206 and the sewage discharge tube 208 are installed on the bottom of the sealing cylinder 201. The laser emitter 203 is installed on one side of the sealing cylinder 201, and the emitting end of the laser emitter 203 penetrates into the inner cavity of the sealing cylinder 201. The monitoring component 2 is used to monitor particulate matter in the hydraulic oil. The analysis component 3 includes a PCB board 301, an MCU chip 302, a receiver 303, an amplifier 304, and a comparator 305. The analysis component 3 is used to analyze the monitoring signals.

[0025] As Figures 1-4As shown in the figure, hydraulic oil is diverted into the inner cavity of the monitoring tube 202 through the liquid inlet pipe 205. The laser beam emitted by the laser emitter 203 is focused by the lens 204 and irradiates the hydraulic oil in the inner cavity of the monitoring tube 202. The beam passes through the hydraulic oil and is received by the laser emitter 203 and converted into an electrical signal. By using the laser beam passing through the particles in the fluid, the intensity of the scattered light is measured, and the analysis component 3 analyzes and determines the diameter range and quantity of the particles according to the characteristics of the scattered light, so as to be able to monitor the particulate matter concentration and particle size distribution in the hydraulic oil in real time. The amplifier 304 and the comparator 305 amplify and compare the electrical signal and then send it to the MCU chip 302 to generate monitoring data. The hydraulic oil inside the monitoring tube 202 flows out through the liquid outlet pipe 206, so as to be able to carry out real-time monitoring. During maintenance, only need to introduce flushing water into the inner cavity of the monitoring tube 202 through the flushing pipe 207 to flush the inner wall of the monitoring tube 202, and the flushing water is discharged through the sewage discharge pipe 208, so as to be able to wash out the particulate matter adhering to the inner wall of the monitoring tube 202 and prevent the particulate matter from adhering to the surface of the monitoring tube 202 for a long time and affecting the monitoring data.

[0026] Embodiment 2

[0027] Refer to Figures 1-3 , which is the second embodiment of the present utility model, and this embodiment is based on the previous embodiment.

[0028] In this embodiment, the monitoring component 2 further includes a liquid inlet valve 209, a flushing valve 210, a liquid outlet valve 211 and a sewage discharge valve 212. The sealing cylinder 201 is fixedly connected to the inner wall of the sealing door 102. One end of the flushing pipe 207 is communicated with the liquid inlet pipe 205, and one end of the sewage discharge pipe 208 is communicated with the liquid outlet pipe 206.

[0029] One end of the liquid inlet pipe 205 penetrates into the inner cavity of the sealing cylinder 201 and is communicated with the monitoring tube 202. One end of the liquid outlet pipe 206 penetrates into the inner cavity of the sealing cylinder 201 and is communicated with the monitoring tube 202. The lens 204 is fixedly connected to the laser emitter 203.

[0030] The liquid inlet valve 209 is installed on the surface of the liquid inlet pipe 205. The flushing valve 210 is installed on the surface of the flushing pipe 207. The liquid outlet valve 211 is installed on the surface of the liquid outlet pipe 206. The sewage discharge pipe 208 is installed on the surface of the sewage discharge valve 212.

[0031] As Figures 1-3As shown, during normal use, the flushing valve 210 and the sewage valve 212 are closed, and the liquid inlet valve 209 and the liquid outlet valve 211 are opened so that the hydraulic oil can flow. The sealing cylinder 201 can provide a sealed space for the monitoring tube 202, thereby preventing the interference of external environmental factors on the monitoring data. When maintaining the monitoring tube 202, the liquid inlet valve 209 and the liquid outlet valve 211 are closed to stop the flow of the hydraulic oil. The flushing tube 207 and the sewage valve 212 are opened, and the flushing water is guided through the flushing tube 207 into the inner cavity of the monitoring tube 202. The flushing water is transported by a booster pump and can wash away the particles attached to the surface of the monitoring tube 202 under the pressure of the water pressure and is discharged through the sewage pipe 208, thereby maintaining the monitoring tube 202.

[0032] Embodiment 3

[0033] Referring to Figure 1 、 2 and 4, this is the third embodiment of the present invention, and this embodiment is based on the first two embodiments.

[0034] In this embodiment, the analysis component 3 further includes a communication module 306. The MCU chip 302, the amplifier 304, and the comparator 305 are all installed on the surface of the PCB board 301, and the PCB board 301 is fixedly connected to the inner wall of the housing 101.

[0035] The output end of the receiver 303 is connected to the input end of the amplifier 304, the output end of the amplifier 304 is connected to the input end of the comparator 305, the output end of the comparator 305 is connected to the input end of the MCU chip 302, and the output end of the MCU chip 302 is respectively connected to the input ends of the communication module 306 and the display 4.

[0036] A display 4 is installed on the surface of the sealing door 102. The sealing door 102 is hinged to the housing 101 through a hinge, and a bracket 103 is fixedly connected to the back of the housing 101.

[0037] As Figure 1 、 2 and 4 shown, the receiver 303 collects the laser beam of the laser emitter 203, converts the optical signal into an electrical signal and sends it to the amplifier 304. The amplifier 304 amplifies the electrical signal and then sends it to the comparator 305. The comparator 305 compares the reference value with the monitored value and generates an output signal to send to the MCU chip 302. The MCU chip 302 can be displayed in real time through the display 4. The communication module 306 can adopt an Ethernet module to send the monitoring result to the remote control room.

[0038] In use, during normal use, the flushing valve 210 and the sewage discharge valve 212 are closed, and the liquid inlet valve 209 and the liquid outlet valve 211 are opened so that the hydraulic oil can flow. The sealing cylinder 201 can provide a sealed space for the monitoring tube 202. The laser beam emitted by the laser emitter 203 is focused by the lens 204 and irradiates the hydraulic oil in the inner cavity of the monitoring tube 202. The beam passes through the hydraulic oil and is received by the laser emitter 203 and converted into an electrical signal. By using the laser beam passing through the particles in the fluid, the intensity of the scattered light is measured, and the analysis component 3 analyzes according to the characteristics of the scattered light and determines the diameter range and quantity of the particles, so that the concentration and particle size distribution of the particulate matter in the hydraulic oil can be monitored in real time. The amplifier 304 and the comparator 305 amplify and compare the electrical signal and then send it to the MCU chip 302 to generate monitoring data. The hydraulic oil inside the monitoring tube 202 flows out through the liquid outlet pipe 206, so that real-time monitoring can be carried out. When maintaining the monitoring tube 202, the liquid inlet valve 209 and the liquid outlet valve 211 are closed to stop the flow of the hydraulic oil. The flushing pipe 207 and the sewage discharge valve 212 are opened, and the flushing water is guided through the flushing pipe 207 into the inner cavity of the monitoring tube 202. The flushing water is transported by the booster pump, and under the pressure of the water pressure, the particulate matter attached to the surface of the monitoring tube 202 can be washed away and discharged through the sewage discharge pipe 208, so that the monitoring tube 202 can be maintained in this way.

[0039] The standard parts used in this application document can all be purchased from the market, and can also be customized according to the description in the specification and the drawings. The specific connection methods of each part all adopt conventional means such as bolts, rivets, and welding that are mature in the prior art. The machinery, parts, and equipment all adopt conventional models in the prior art. The control method is automatically controlled by a controller, and the control circuit of the controller can be realized by simple programming by those skilled in the art, which belongs to the common knowledge in this field. And this application document is mainly used to protect the mechanical device, so the control method and circuit connection will not be explained in detail in this application document.

[0040] Although the present utility model has been disclosed above with the preferred embodiments, it is not intended to limit the present utility model. Those with ordinary knowledge in the technical field to which the present utility model belongs can make various changes and modifications without departing from the spirit and scope of the present utility model. Therefore, the protection scope of the present utility model shall be subject to what is defined by the claims.

Claims

1. An on-line monitoring device for particulate matter counting distribution in a fluid, comprising a housing (1), characterized in that: The housing (1) includes a housing body (101) and a sealing door (102). A monitoring component (2) and an analysis component (3) are installed in the inner cavity of the housing body (101). The housing (1) is used to support the monitoring component (2) and the analysis component (3). The monitoring component (2) includes a sealing cylinder (201), a monitoring pipe (202), a laser emitter (203), a lens (204), a liquid inlet pipe (205), a liquid outlet pipe (206), a flushing pipe (207) and a sewage discharge pipe (208). The lens (204) and the monitoring pipe (202) are both installed in the inner cavity of the sealing cylinder (201). The liquid inlet pipe (205) and the flushing pipe (207) are installed at the top of the sealing cylinder (201). The liquid outlet pipe (206) and the sewage discharge pipe (208) are installed at the bottom of the sealing cylinder (201). The laser emitter (203) is installed on one side of the sealing cylinder (201). The emitting end of the laser emitter (203) penetrates into the inner cavity of the sealing cylinder (201). The monitoring component (2) is used to monitor the particulate matter in the hydraulic oil. The analysis component (3) includes a PCB board (301), an MCU chip (302), a receiver (303), an amplifier (304) and a comparator (305). The analysis component (3) is used to analyze the monitoring signal.

2. The on-line monitoring device for particulate matter counting distribution in fluid according to claim 1, characterized in that: The monitoring component (2) further includes a liquid inlet valve (209), a flushing valve (210), a liquid outlet valve (211) and a sewage discharge valve (212). The sealing cylinder (201) is fixedly connected to the inner wall of the sealing door (102). One end of the flushing pipe (207) is communicated with the liquid inlet pipe (205). One end of the sewage discharge pipe (208) is communicated with the liquid outlet pipe (206).

3. The on-line monitoring device for particulate matter counting distribution in a fluid according to claim 2, characterized in that: One end of the liquid inlet pipe (205) penetrates into the inner cavity of the sealing cylinder (201) and is communicated with the monitoring pipe (202). One end of the liquid outlet pipe (206) penetrates into the inner cavity of the sealing cylinder (201) and is communicated with the monitoring pipe (202). The lens (204) is fixedly connected to the laser emitter (203).

4. The on-line monitoring device for particulate matter counting distribution in a fluid according to claim 2, characterized in that: The liquid inlet valve (209) is installed on the surface of the liquid inlet pipe (205). The flushing valve (210) is installed on the surface of the flushing pipe (207). The liquid outlet valve (211) is installed on the surface of the liquid outlet pipe (206). The sewage discharge pipe (208) is installed on the surface of the sewage discharge valve (212).

5. The on-line monitoring device for particulate matter counting distribution in a fluid according to claim 1, characterized in that: The analysis component (3) further includes a communication module (306). The MCU chip (302), the amplifier (304) and the comparator (305) are all installed on the surface of the PCB board (301). The PCB board (301) is fixedly connected to the inner wall of the housing body (101).

6. The online monitoring device for particulate matter counting distribution in fluid according to claim 1, wherein: The output end of the receiver (303) is connected to the input end of the amplifier (304). The output end of the amplifier (304) is connected to the input end of the comparator (305). The output end of the comparator (305) is connected to the input end of the MCU chip (302). The output end of the MCU chip (302) is respectively connected to the input ends of the communication module (306) and the display (4).

7. The online monitoring device for particulate matter counting distribution in a fluid according to claim 1, characterized in that: A display (4) is mounted on the surface of the sealed door (102). The sealed door (102) is hinged to the housing (101) by a hinge, and a bracket (103) is fixedly connected to the back of the housing (101).

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