CN108802136A - A kind of floss hole PH electrode probe ultrasonic wave automatic washing devices - Google Patents

Abstract

The invention relates to the field of sensor cleaning, in particular to an ultrasonic automatic cleaning device for a PH electrode probe at a discharge port, which includes a detection rod, a hollowed-out protective shell, several ultrasonic transducers and several drainage slurry assemblies, the detection rod is vertically arranged and its The bottom end is fixedly connected with the top center of the hollow protective shell, the bottom of the detection rod is connected with the inside of the hollow protective shell, the PH electrode probe is vertically fixed on the bottom of the detection rod, and all ultrasonic transducers are evenly arranged along the circumferential direction It is arranged in the hollow protective shell, and the PH electrode probe is located at the intersection of all ultrasonic transducer output directions, and all the drainage slurry components are evenly distributed on the bottom of the hollow protective shell and connected to the inside and outside of the hollow protective shell. The ultrasonic automatic cleaning device of the PH electrode probe at the discharge port can replace the manual and automatic cleaning of the PH probe at the sewage point, and at the same time reduce the labor cost.

Description

An ultrasonic automatic cleaning device for a pH electrode probe at a discharge port

technical field

The invention relates to the field of sensor cleaning, in particular to an ultrasonic automatic cleaning device for a pH electrode probe at a discharge port.

Background technique

In the process of discharging sewage from the factory, in order to test the pH value of the sewage discharge outlet, a pH electrode probe will be placed at the sewage discharge outlet, and the electrode probe will be inserted into the water for pH detection. A receiver is installed on the river bank to receive the detection data of the pH probe. Finally, the detection data is sent to the control center of the workstation through remote or wired data transmission. However, the probe is placed in the sewage for a long time during use, which will form pollution on the surface of the probe, which will affect the pH test sensitivity of the probe, and then affect the test data. The correctness of the probe, and the current method of cleaning the probe dirt is manual cleaning, but many probes are located in remote places, which makes manual work very inconvenient and labor costs are high. Therefore, it is necessary to design a method that can replace manual cleaning. Device that is automatically cleaned to maintain probe sensitivity.

Contents of the invention

The object of the present invention is to provide an ultrasonic automatic cleaning device for the PH electrode probe at the discharge port in view of the deficiencies in the prior art.

In order to solve the above problems, the present invention provides the following technical solutions:

An ultrasonic automatic cleaning device for a PH electrode probe at a discharge port, including a detection rod, a hollowed-out protective case, several ultrasonic transducers and several drainage slurry assemblies, the detection rod is vertically arranged and its bottom end is in line with the top center of the hollowed-out protective case The bottom of the detection rod is connected with the inside of the hollow protective shell, the PH electrode probe is vertically fixed on the bottom of the detection rod, and all ultrasonic transducers are evenly arranged in the circumferential direction in the hollow protective shell, and the pH The electrode probes are located at the intersection of the output directions of all ultrasonic transducers, and all the drainage components are evenly distributed on the bottom of the hollowed-out protective shell and connected to the inside and outside of the hollowed-out protective shell.

Preferably, the hollowed-out protective case is a square hollow box structure, and its outer wall is evenly provided with several through holes connecting the inside and outside of itself, and the hollowed-out protective case is composed of an upper cover, a bottom cover and a middle box body, The upper cover and the lower cover are respectively fixed and closed on the upper and lower ends of the middle box body.

Preferably, the detection rod is a hollow tubular structure, and its bottom is fixedly connected to the center of the upper cover through a flange, the center of the upper cover is provided with a connecting hole connecting the middle box body and the detection rod, and the pH electrode probe It is fixed on the bottom of the probe rod through a circular mounting plate.

Preferably, the circular mounting plate is arranged coaxially with the detection rod, and the outer edge of the circular mounting plate is fixedly fixed on the inner wall of the detection rod, and a screw for installing the pH electrode probe is arranged at the center of the circular mounting plate. hole, the top of the pH electrode probe is threadedly connected with the screw hole.

Preferably, each of the ultrasonic transducers is connected to the bottom of the upper cover through a vertical fork-shaped connection seat, the top of the fork-shaped connection seat is fixedly connected to the bottom of the upper cover, and the tail of the ultrasonic transducer is fixed It is clamped in the bottom fork of the fork-shaped connecting seat, and the bottom of the fork-shaped connecting seat is provided with bolts and nuts for locking the ultrasonic transducer.

Preferably, each of the drainage slurry assemblies includes a support sleeve and a waterproof motor and propeller located inside the support sleeve. The support sleeve is a hollow tubular structure, and a motor bracket is coaxially arranged on the inside of the support sleeve. The motor bracket is a herringbone structure. All extension ends of the bracket are fixedly connected with the inner wall of the support sleeve, the support sleeve is embedded in the bottom of the lower cover and the two ends of the support sleeve are used to connect the upper and lower sides of the lower cover, and the waterproof motor and propeller are respectively arranged on both sides of the motor bracket , the waterproof motor is fixedly arranged at the center of one side of the motor bracket close to the upper cover, and the output shaft of the waterproof motor passes through the motor and is fixedly connected to the propeller on the opposite side.

Preferably, several avoidance notches for routing the ultrasonic transducers are provided at equal intervals on the outer edge of the circular mounting plate.

Preferably, all the ultrasonic transducers are at the same level, and the output directions of all ultrasonic transducers are facing the pH electrode probe.

Preferably, the main body material of the hollow protective shell is titanium alloy.

Beneficial effects: the ultrasonic automatic cleaning device for the PH electrode probe at the discharge port of the present invention, when working, the sewage at the detection site enters the inside of the hollowed-out protective shell through all the through holes, and contacts with the PH electrode probe inside, so that the PH electrode probe To detect the PH value of local sewage, the wiring harness of the PH electrode probe passes through the inner side of the detection rod, and finally protrudes from the top of the detection rod to electrically connect with the receiver on the river bank. The detection rod is installed on the external fixed frame built on the river bank. The H electrode probe is screwed on the circular mounting plate through its own threaded end. The PH electrode probe is located inside the hollowed-out protective shell. Titanium alloy has the characteristics of high strength, good corrosion resistance and high heat resistance, and is light in weight , in line with the harsh operating environment of the device, effectively preventing the impact of the mobile sundries below the water surface on the pH electrode probe. At the same time, an ultrasonic generator is installed at the place where the receiver is installed on the river bank. Generator connection, the high-frequency circuit generated by the ultrasonic generator is converted into mechanical vibration by the ultrasonic transducer to clean the pH electrode probe to make the dirt fall off, while the ultrasonic transducer cleans the pH electrode probe, all drainage slurry When the components work, the waterproof motor drives the propeller to rotate, so that the sewage in the hollowed-out protective shell is discharged from the bottom, and at the same time, new water flow is poured into the hollowed-out protective shell from the through hole for the detection of the PH electrode probe, and the wiring harness of the ultrasonic transducer passes through the avoidance The gap enters the inner side of the detection rod, and is finally electrically connected with the ultrasonic generator on the river bank. There is also a controller on the river bank for controlling the operation of the drainage slurry assembly. The controller has a timer, and the controller turns on the ultrasonic generator at regular intervals work, and control the work of the waterproof motor for cleaning. The troublesome manual cleaning process is replaced by regular cleaning. An ultrasonic automatic cleaning device for the PH electrode probe at the discharge port of the present invention can replace manual and automatic cleaning of the PH probe at the sewage point. , while reducing labor costs.

Description of drawings

Fig. 1 shows a three-dimensional structure schematic diagram one of the present invention;

Fig. 2 shows the three-dimensional structural schematic diagram II of the present invention;

Fig. 3 shows the exploded schematic view of the three-dimensional structure of the present invention;

Fig. 4 shows the exploded schematic view of the local three-dimensional structure of the present invention;

Figure 5 is a schematic exploded view of the three-dimensional structure of the drainage slurry assembly;

Figure 6 is a schematic diagram of a three-dimensional structure of a circular mounting plate;

Figure 7 shows a plane sectional view one of the present invention;

Figure 8 shows a plane sectional view two of the present invention;

Explanation of reference signs: PH electrode probe 1, detection rod 2, hollowed-out protective shell 3, ultrasonic transducer 4, drainage slurry assembly 5, flange plate 6, connecting hole 7, circular mounting plate 8, screw hole 9, fork Type connecting seat 10, bolt 11, nut 12, support sleeve 13, waterproof motor 14, propeller 15, motor support 16, avoid gap 17.

Detailed ways

Below in conjunction with accompanying drawing and embodiment of description, specific embodiment of the present invention is described in further detail:

Referring to Figures 1 to 8, an ultrasonic automatic cleaning device for the PH electrode probe at the discharge port includes a detection rod 2, a hollowed-out protective shell 3, several ultrasonic transducers 4 and several drainage slurry assemblies 5, and the detection rod 2 is in the form of It is vertically arranged and its bottom end is fixedly connected with the top center of the hollowed-out protective case 3, the bottom of the detection rod 2 communicates with the inside of the hollowed-out protective case 3, and the pH electrode probe 1 is vertically fixedly arranged at the bottom of the detection rod 2, all Ultrasonic transducers 4 are evenly arranged in the hollow protective shell 3 along the circumferential direction, and the PH electrode probe 1 is located at the intersection of the output directions of all ultrasonic transducers 4, and all drainage components 5 are evenly distributed in the hollow protective shell 3 and communicate with the inside and outside of the hollowed-out protective shell 3.

The hollowed-out protective case 3 is a square hollow box structure, and its outer wall is evenly provided with several through holes connecting the inside and outside of itself. The hollowed-out protective case 3 is composed of an upper cover, a bottom cover and a middle box body. The cover and the bottom cover are respectively fixed and closed on the upper and lower ends of the middle box body. The sewage at the detection site enters the inner side of the hollowed-out protective shell 3 through all the through holes, and contacts with the pH electrode probe 1 inside, so that the pH electrode probe 1 Check the pH value of local sewage.

The detection rod 2 is a hollow tubular structure, and its bottom is fixedly connected to the center of the upper cover through the flange 6, and the center of the upper cover is provided with a connection hole 7 connecting the middle box body and the detection rod 2, and the pH electrode The probe 1 is fixedly arranged at the bottom of the probe rod 2 through a circular mounting plate 8, and the wiring harness of the pH electrode probe 1 passes through the inner side of the probe rod 2, and finally protrudes from the top of the probe rod 2 to be electrically connected to the receiver on the river bank. The detection rod 2 is installed on the external fixed frame built on the river bank.

The circular mounting plate 8 is coaxially arranged with the detection rod 2, and the outer edge of the circular mounting plate 8 is fixedly fixed on the inner wall of the detection rod 2, and the center of the circular mounting plate 8 is provided with a PH electrode probe 1 The installed screw hole 9, the top of the PH electrode probe 1 is threadedly connected with the screw hole 9, the PH electrode probe 1 is screwed on the circular mounting plate 8 through its own threaded end, and the PH electrode probe 1 is located inside the hollowed-out protective shell. The impact of the flowing sundries below the water surface on the pH electrode probe 1 is effectively prevented, and the service life of the pH electrode probe 1 is prolonged.

Each of the ultrasonic transducers 4 is connected to the bottom of the upper cover through a vertical fork-shaped connecting seat 10, the top of the fork-shaped connecting seat 10 is fixedly connected to the bottom of the upper cover, and the tail of the ultrasonic transducer 4 The fixed card is set in the bottom fork of the fork-shaped connecting seat 10. The bottom of the fork-shaped connecting seat 10 is provided with bolts 11 and nuts 12 for locking the ultrasonic transducer 4. Now install a receiver at the place where the receiver is installed on the river bank. Ultrasonic generator, all ultrasonic transducers 4 are connected with the ultrasonic generator, the high-frequency circuit generated by the ultrasonic generator is converted into mechanical vibration by the ultrasonic transducer 4 to clean the PH electrode probe 1, ultrasonic is a frequency For sound waves above 20kHz beyond the range of human hearing, the propagation of ultrasonic waves depends on elastic media. When propagating, the particles in the elastic media oscillate and transmit energy through the media in the direction of ultrasonic propagation. This wave can be divided into longitudinal waves and transverse waves. Waves can be transmitted in solids, but only longitudinal waves can be transmitted in gases and liquids. Ultrasonic waves can cause particle vibrations. The acceleration of particle vibrations is proportional to the square of the ultrasonic frequency. Therefore, tens of kilohertz Ultrasound will generate great force. When strong ultrasonic wave propagates in liquid, due to nonlinear effect, acoustic cavitation will occur. When the cavitation bubble suddenly closes, the shock wave can generate thousands of atmospheric pressure around it. The direct and repeated impact of the dirt layer, on the one hand, destroys the adsorption between the dirt and the surface of the cleaning piece, and on the other hand, it will also cause the damage of the dirt layer to separate from the surface of the cleaning piece and disperse them. The vibration of the air bubbles can also scrub the solid surface , Bubbles can also "drill" into the cracks and vibrate to make the dirt fall off.

Each of the drainage slurry assemblies 5 includes a support sleeve 13 and a waterproof motor 14 and a propeller 15 positioned at the inside of the support sleeve 13. The support sleeve 13 is a hollow tubular structure, and its inner side is coaxially provided with a motor bracket 16, the motor bracket 16 It is a herringbone structure, and all the extension ends of the motor bracket 16 are fixedly connected with the inner wall of the support sleeve 13. The support sleeve 13 is embedded in the bottom of the lower cover and the two ends of the support sleeve 13 are used to communicate with the upper and lower sides of the lower cover. The waterproof motor 14 and the propeller 15 are respectively arranged on both sides of the motor bracket 16, the waterproof motor 14 is fixedly arranged at the center of one side of the motor bracket 16 near the upper cover, and the output shaft of the waterproof motor 14 passes through the motor and is fixedly connected to the propeller 15 on the opposite side, While the ultrasonic transducer 4 is cleaning the PH electrode probe 1, all the drainage components 5 are working, and the waterproof motor 14 drives the propeller 15 to rotate, thereby discharging the sewage in the hollowed-out protective shell 3 from below, and at the same time, new water flows from the channel. The hole is poured into the hollow protective shell 3 for the detection of the pH electrode probe 1.

The outer edge of the circular mounting plate 8 is equidistantly provided with several avoidance gaps 17 for the routing of the ultrasonic transducer 4, and the wiring harness of the ultrasonic transducer 4 enters the inner side of the detection rod 2 through the avoidance gap 17, and finally It is electrically connected with the ultrasonic generator on the river bank, and a controller for controlling the operation of the drainage slurry assembly 5 is also arranged on the river bank. The cleaning work is carried out, and the troublesome manual cleaning process is replaced by regular cleaning. All underwater electrical connections in this device are waterproofed with waterproof tape.

All the ultrasonic transducers 4 are at the same level, and the output directions of all ultrasonic transducers 4 are facing the pH electrode probe 1, and all ultrasonic transducers 4 are facing the pH electrode probe 1, so that It performs a full range of cleaning.

The main material of the hollow protective shell 3 is titanium alloy, which has the characteristics of high strength, good corrosion resistance and high heat resistance, and is light in weight, which is suitable for the harsh use environment of the device.

Working principle: when working, the sewage at the detection site enters the inner side of the hollow protective shell 3 through all the through holes, and contacts with the inner pH electrode probe 1, so that the pH electrode probe 1 detects the pH value of the local sewage, and the pH electrode probe 1 The wiring harness passes through the inner side of the detection rod 2, and finally protrudes from the top of the detection rod 2 to electrically connect with the receiver on the river bank. The end is screwed on the circular mounting plate 8, and the pH electrode probe 1 is located inside the hollowed-out protective shell. The titanium alloy has the characteristics of high strength, good corrosion resistance and high heat resistance, and is light in weight, which meets the harsh requirements of this device. The use environment effectively prevents the impact of the flowing sundries below the water surface on the pH electrode probe 1. At the same time, an ultrasonic generator is installed at the place where the receiver is installed on the river bank. All ultrasonic transducers 4 are connected to the ultrasonic generator. The high-frequency circuit generated by the ultrasonic generator is converted into mechanical vibration by the ultrasonic transducer 4 to clean the pH electrode probe 1 to make the dirt fall off. When the ultrasonic transducer 4 cleans the pH electrode probe 1, all drainage slurry The component 5 works, and the propeller 15 is driven by the waterproof motor 14 to rotate, so that the sewage in the hollowed-out protective shell 3 is discharged from the bottom, and at the same time, new water flow is poured into the hollowed-out protective shell 3 from the through hole for the detection of the PH electrode probe 1, and the ultrasonic transducer The wiring harness of the device 4 enters the inner side of the detection rod 2 through the avoidance gap 17, and is finally electrically connected with the ultrasonic generator on the river bank. The river bank is also provided with a controller for controlling the work of the drainage slurry assembly 5. The controller has its own timer. Every once in a while the controller opens the ultrasonic generator to work, and controls the waterproof motor 14 to work for cleaning, replacing the troublesome manual cleaning process by regular cleaning.

The above description is only a preferred embodiment of the present invention, and does not make any limitation to the technical scope of the present invention, so any minor modifications, equivalent changes and modifications made to the above embodiments according to the technical essence of the present invention are still valid. It belongs to the scope of the technical solution of the present invention.

Claims (9)

1. A discharge port PH electrode probe ultrasonic automatic cleaning device, characterized in that: comprising a detection rod (2), a hollowed-out protective shell (3), several ultrasonic transducers (4) and several drainage slurry assemblies (5) , the detection rod (2) is vertically arranged and its bottom is fixedly connected with the top center of the hollowed-out protective case (3), the bottom of the detection rod (2) communicates with the inside of the hollowed-out protective case (3), and the pH electrode probe ( 1) It is fixed vertically at the bottom of the probe rod (2), and all ultrasonic transducers (4) are evenly arranged in the circumferential direction in the hollowed-out protective shell (3), and the PH electrode probe (1) is located at all ultrasonic At the intersection of the output directions of the transducers (4), all the drainage slurry components (5) are evenly distributed on the bottom of the hollowed-out protective shell (3) and connected to the inside and outside of the hollowed-out protective shell (3). 2. A kind of discharge port PH electrode probe ultrasonic automatic cleaning device according to claim 1, is characterized in that: described hollowed-out protective case (3) is the hollow box body structure of square shape, and is evenly provided with on its outer wall A plurality of through holes communicating with the inner and outer sides of itself, the hollowed-out protective case (3) is composed of an upper cover, a bottom cover and a middle box body, and the upper cover and the bottom cover are respectively fixed and closed at the upper and lower ends of the middle box body. 3. A kind of discharge port PH electrode probe ultrasonic automatic cleaning device according to claim 2, is characterized in that: described detection rod (2) is hollow tubular structure, and its bottom passes flange plate (6) and loam cake The center of the upper cover is fixedly connected, and the center of the upper cover is provided with a connection hole (7) connecting the middle box body and the detection rod (2), and the pH electrode probe (1) is fixedly arranged on the detection rod (8) the bottom of the stick (2). 4. A kind of discharge port PH electrode probe ultrasonic automatic cleaning device according to claim 3, is characterized in that: described circular mounting plate (8) is coaxially arranged with probe rod (2), and circular mounting plate ( The outer edge of 8) is fixedly fixed on the inner wall of the detection rod (2), and the center of the circular mounting plate (8) is provided with a screw hole (9) for the installation of the pH electrode probe (1), and the pH electrode probe (1) ) is threadedly connected with the screw hole (9). 5. A kind of discharge port PH electrode probe ultrasonic automatic cleaning device according to claim 4, is characterized in that: each described ultrasonic transducer (4) all passes through a vertical fork-type connecting seat (10) It is connected with the bottom of the upper cover, the top of the fork-shaped connecting seat (10) is fixedly connected with the bottom of the upper cover, and the tail of the ultrasonic transducer (4) is fixedly clamped in the bottom fork of the fork-shaped connecting seat (10). Bolts (11) and nuts (12) for locking the ultrasonic transducer (4) are arranged on the bottom of the type connecting seat (10). 6. A kind of discharge port PH electrode probe ultrasonic automatic cleaning device according to claim 2, is characterized in that: each described drainage slurry assembly (5) all comprises support sleeve (13) and is positioned at support sleeve (13) inner side waterproof motor (14) and propeller (15), the support sleeve (13) is a hollow tubular structure, and its inner side is coaxially provided with a motor bracket (16), the motor bracket (16) is a herringbone structure, and the motor bracket (16) All the extended ends of the support sleeve (13) are fixedly connected to the inner wall of the support sleeve (13), the support sleeve (13) is embedded in the bottom of the lower cover and the two ends of the support sleeve (13) are used to connect the upper and lower sides of the lower cover, and the waterproof motor (14 ) and propellers (15) are respectively arranged on both sides of the motor bracket (16), and the waterproof motor (14) is fixedly arranged at the center of one side of the motor bracket (16) close to the upper cover, and the output shaft of the waterproof motor (14) wears Pass the motor and be fixedly connected with the propeller (15) on the opposite side. 7. A kind of discharge port PH electrode probe ultrasonic automatic cleaning device according to claim 3, is characterized in that: the outer edge place of described circular mounting disc (8) is equidistantly provided with several ultrasonic transducers ( 4) The avoidance gap (17) for routing. 8. A kind of discharge port PH electrode probe ultrasonic automatic cleaning device according to claim 4, is characterized in that: all described ultrasonic transducers (4) are all at the same level, and all ultrasonic transducers (4) The output directions of all are facing the pH electrode probe (1). 9. The ultrasonic automatic cleaning device for the PH electrode probe at the discharge port according to claim 1, characterized in that: the main material of the hollowed-out protective shell (3) is titanium alloy.