Ultrasonic oxygen sensor convenient to install

Abstract

The utility model relates to the technical field of ultrasonic oxygen sensors, and discloses an ultrasonic oxygen sensor convenient to install, which comprises an installation plate, a sensor base block is fixedly installed on the side face of the installation plate, and an input pipe and an output pipe are fixedly installed on the end face of the sensor base block. Two rectification channels and a bridging channel are formed in the sensor base block, the two rectification channels are communicated through the bridging channel, the input pipe and the output pipe are communicated with the two rectification channels respectively, and two sets of ultrasonic modules are embedded in the two sides of the sensor base block and detect inner cavities of the two rectification channels respectively. According to the ultrasonic oxygen sensor convenient to install, double rectification channels and two sets of ultrasonic modules are arranged in the sensor base block, the two sets of ultrasonic modules are used for detecting the oxygen content of media in the two rectification channels respectively, and the reliability of detection data is improved without a mode that two sensors are connected in series; therefore, the effect of convenient installation is achieved.

Description

Technical Field

[0001] The utility model relates to the technical field of ultrasonic oxygen sensors, in particular to an ultrasonic oxygen sensor which is easy to install. Background Art

[0002] The ultrasonic oxygen sensor is a sensor that uses ultrasonic detection technology to measure the gas flow and oxygen concentration in binary gas. For example, the prior art announcement number is CN220854744U, which discloses an ultrasonic oxygen sensor, which relates to the field of sensor technology. The ultrasonic oxygen sensor includes a circuit board and a shell, the shell is arranged on the circuit board, the first end of the shell is provided with a first ultrasonic probe, the second end of the shell is provided with a second ultrasonic probe, and the first ultrasonic probe and the second ultrasonic probe are both electrically connected to the circuit board; the shell is provided with an air inlet channel and an air outlet channel, the shell includes a rectifying structure, the rectifying structure includes a first rectifying tube, a second rectifying tube and a third rectifying tube connected in sequence, the inner diameter of the second rectifying tube is smaller than the inner diameter of the first rectifying tube and the inner diameter of the third rectifying tube, the first rectifying tube is connected to the air inlet channel, and the third rectifying tube is connected to the air outlet channel. According to the ultrasonic oxygen sensor of the utility model, compared with the traditional electrochemical oxygen sensor, the loss is smaller and the service life is longer; no chemical reaction is required, and the measurement efficiency is higher; the rectifying structure is used to rectify the airflow, and the measurement accuracy is higher.

[0003] However, the existing ultrasonic oxygen sensor is usually a single rectifier tube structure. In order to improve the reliability of detection, two sensors are often connected in series, which brings inconvenience to installation. When the sensor fails, it is also very troublesome to disassemble and repair it, which needs further improvement. Utility Model Content

[0004] The purpose of the utility model is to provide an ultrasonic oxygen sensor which is easy to install, so as to solve the problems raised in the above background technology.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: an ultrasonic oxygen sensor that is easy to install, comprising a mounting plate, a sensor base block is fixedly mounted on the side of the mounting plate, an input tube and an output tube are fixedly mounted on the end face of the sensor base block, two rectifying channels and a bridge channel are provided inside the sensor base block, the two rectifying channels are connected through the bridge channel, the input tube and the output tube are respectively connected to the two rectifying channels, two sets of ultrasonic modules are embedded on both sides of the sensor base block, the two sets of ultrasonic modules respectively detect the inner cavities of the two rectifying channels, and the reliability of the detection data is improved without connecting two sensors in series, thereby achieving the effect of convenient installation.

[0006] In some embodiments, the sensor base block includes a first base block and a second base block, the input tube and the output tube are fixedly installed at the end of the first base block, two rectifying channels and one bridging channel are arranged in the second base block, the first base block is fixedly connected to the second base block by a first screw, and two docking ports are provided on the opposite surfaces of the first base block and the second base block, the input tube and the output tube are connected to the two rectifying channels through the docking ports respectively, the mounting plate has a "J"-shaped structure, and the mounting plate is fixedly connected to the end face of the first base block by a second screw, and the first base block and the second base block can be disassembled to facilitate cleaning of blockages in the rectifying channels.

[0007] In some embodiments, the ultrasonic module includes an ultrasonic receiver and an ultrasonic transmitter, two ultrasonic receivers are embedded at one end of the second base block, two ultrasonic transmitters are embedded at the other end of the second base block, one set of ultrasonic modules detects the oxygen content of the gas source in the upstream rectifying channel, and the other set of ultrasonic modules detects the oxygen content of the gas source in the downstream rectifying channel.

[0008] In some embodiments, two filter cavities are opened inside the first base block, and filter sleeves are arranged in the two filter cavities. The ports of the input pipe and the output pipe extend into the two filter cavities respectively. The filter sleeves are arranged at the ends of the input pipe or the output pipe, and the filter sleeves have the function of filtering air impurities.

[0009] In some embodiments, two threaded plugs are threadedly installed on the end of the first base block, and the ends of the two threaded plugs extend into two filter cavities respectively. A tightening spring is arranged between the threaded plug and the filter sleeve. After the threaded plug is removed, the filter sleeve can be removed and replaced.

[0010] In some embodiments, a sinking groove is formed on the upper surface of the second base block, and a circuit board assembly is installed in the sinking groove by a third screw.

[0011] Beneficial Effects

[0012] The utility model provides an ultrasonic oxygen sensor which is easy to install and has the following beneficial effects:

[0013] 1. The ultrasonic oxygen sensor which is easy to install has dual rectification channels and two sets of ultrasonic modules in the sensor base block. The two sets of ultrasonic modules detect the oxygen content of the medium in the two rectification channels respectively. There is no need to connect two sensors in series to improve the reliability of the detection data. The single sensor has dual detection functions, thereby achieving the effect of convenient installation.

[0014] 2. The ultrasonic oxygen sensor which is easy to install is provided with a sensor base block composed of a first base block and a second base block. A filter sleeve is provided in the first base block. The filter sleeve has the function of filtering air impurities to prevent the blockage of the internal channel. The filter sleeve is replaceable to facilitate subsequent maintenance. The second base block is separated and disassembled from the first base block to facilitate the repair and replacement of the ultrasonic module, thereby achieving the effect of convenient disassembly and maintenance. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 This is a schematic diagram of the three-dimensional structure of the utility model (I);

[0016] Figure 2 This is a schematic diagram of the three-dimensional structure of the utility model (II);

[0017] Figure 3 This is a schematic diagram of the front section structure of the utility model;

[0018] Figure 4 It is a schematic diagram of the top view (partial section) structure of the second base block.

[0019] In the figure: 1 mounting plate, 2 sensor base block, 3 input tube, 4 output tube, 5 rectification channel, 6 bridge channel, 7 first base block, 8 second base block, 9 docking port, 10 ultrasonic receiver, 11 ultrasonic transmitter, 12 filter sleeve, 13 threaded plug, 14 tightening spring, 15 circuit board assembly. DETAILED DESCRIPTION

[0020] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0021] See also Figure 1-4 The utility model provides a technical solution: an ultrasonic oxygen sensor that is easy to install, including a mounting plate 1, a sensor base block 2 is fixedly mounted on the side of the mounting plate 1, an input pipe 3 and an output pipe 4 are fixedly mounted on the end surface of the sensor base block 2, and two rectifying channels 5 and a bridge channel 6 are opened inside the sensor base block 2, and the two rectifying channels 5 are connected through the bridge channel 6 to form a U-shaped internal airflow channel.

[0022] Specifically, the sensor base block 2 includes a first base block 7 and a second base block 8 , the input tube 3 and the output tube 4 are both fixedly mounted at the end of the first base block 7 , and the two rectifying channels 5 and one bridging channel 6 are both arranged in the second base block 8 .

[0023] The input pipe 3 and the output pipe 4 are respectively connected to the two rectifying channels 5. The first base block 7 is fixedly connected to the second base block 8 by a first screw. Two docking ports 9 are provided on the opposite surfaces of the first base block 7 and the second base block 8. A sealing ring is provided on the periphery of the docking port 9. The first base block 7 and the second base block 8 clamp the sealing ring. The input pipe 3 and the output pipe 4 are respectively connected to the two rectifying channels 5 by the docking port 9. A sinking groove is provided on the upper surface of the second base block 8, and a circuit board assembly 15 is installed in the sinking groove by a third screw.

[0024] Two sets of ultrasonic modules are embedded on both sides of the sensor base block 2, and the two sets of ultrasonic modules respectively detect the inner cavity of the two rectifying channels 5, wherein the ultrasonic module includes an ultrasonic receiver 10 and an ultrasonic transmitter 11, the two ultrasonic receivers 10 are embedded at one end of the second base block 8, and the two ultrasonic transmitters 11 are embedded at the other end of the second base block 8.

[0025] The mounting plate 1 is in a "X" shape and is fixedly connected to the end surface of the first base block 7 by a second screw. A waist-shaped notch is provided on the surface of the mounting plate 1 to facilitate insertion of bolts for fixed installation.

[0026] In this embodiment, two filter cavities are opened inside the first base block 7, and filter sleeves 12 are arranged in the two filter cavities. The ports of the input pipe 3 and the output pipe 4 extend into the two filter cavities respectively, and the filter sleeves 12 are sleeved on the ends of the input pipe 3 or the output pipe 4.

[0027] Two threaded plugs 13 are threadedly mounted on the end of the first base block 7 . The ends of the two threaded plugs 13 extend into two filter cavities respectively. A tightening spring 14 is arranged between the threaded plug 13 and the filter sleeve 12 .

[0028] A sensor base block 2 consisting of a first base block 7 and a second base block 8 is provided. A filter sleeve 12 is provided in the first base block 7. The filter sleeve 12 has the function of filtering air impurities to prevent the internal channel from being blocked. The filter sleeve 12 is replaceable to facilitate subsequent maintenance. The second base block 8 is separated and disassembled from the first base block 7 to facilitate the repair and replacement of the ultrasonic module, thereby achieving an effect of convenient maintenance.

[0029] The ultrasonic oxygen sensor which is easy to install is provided with a dual rectifying channel 5 and two sets of ultrasonic modules in a sensor base block 2. The two sets of ultrasonic modules respectively detect the oxygen content of the medium in the two rectifying channels 5. The gas source is input into the input pipe 3 through a pipeline, and then enters the two rectifying channels 5 in sequence, and finally is discharged from the output pipe 4. In the ultrasonic oxygen content detection process, since the two rectifying channels 5 are connected in series through the bridge channel 6, one set of ultrasonic modules detects the oxygen content of the gas source in the upstream rectifying channel 5, and the other set of ultrasonic modules detects the oxygen content of the gas source in the downstream rectifying channel 5. There is no need to improve the reliability of the detection data by connecting two independent sensors in series. It is only necessary to fix the mounting plate 1 to achieve the effect of convenient disassembly and installation.

[0030] Although the embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. An ultrasonic oxygen sensor that is easy to install, comprising a mounting plate (1), characterized in that: A sensor base block (2) is fixedly mounted on the side of the mounting plate (1); an input tube (3) and an output tube (4) are fixedly mounted on the end surface of the sensor base block (2); two rectifying channels (5) and a bridge channel (6) are provided inside the sensor base block (2); the two rectifying channels (5) are connected via the bridge channel (6); the input tube (3) and the output tube (4) are respectively connected to the two rectifying channels (5); two sets of ultrasonic modules are embedded on both sides of the sensor base block (2); the two sets of ultrasonic modules respectively detect the inner cavities of the two rectifying channels (5).

2. The ultrasonic oxygen sensor that is easy to install according to claim 1 is characterized in that: The sensor base block (2) comprises a first base block (7) and a second base block (8), the input tube (3) and the output tube (4) are both fixedly mounted at the end of the first base block (7), and the two rectifying channels (5) and a bridge channel (6) are both arranged in the second base block (8).

3. The ultrasonic oxygen sensor that is easy to install according to claim 2 is characterized in that: The first base block (7) is fixedly connected to the second base block (8) by means of a first screw; two docking ports (9) are provided on the opposite surfaces of the first base block (7) and the second base block (8); the input pipe (3) and the output pipe (4) are respectively connected to the two rectifying channels (5) via the docking ports (9).

4. The ultrasonic oxygen sensor that is easy to install according to claim 3 is characterized in that: The ultrasonic module comprises an ultrasonic receiver (10) and an ultrasonic transmitter (11), wherein the two ultrasonic receivers (10) are embedded in one end of the second base block (8), and the two ultrasonic transmitters (11) are embedded in the other end of the second base block (8).

5. The ultrasonic oxygen sensor that is easy to install according to claim 4 is characterized in that: The mounting plate (1) is in an "X"-shaped structure, and the mounting plate (1) is fixedly connected to the end surface of the first base block (7) via a second screw.

6. The ultrasonic oxygen sensor that is easy to install according to claim 5, characterized in that: Two filter cavities are provided inside the first base block (7), and filter sleeves (12) are provided in the two filter cavities. The ports of the input pipe (3) and the output pipe (4) extend into the two filter cavities respectively, and the filter sleeve (12) is sleeved on the end of the input pipe (3) or the output pipe (4).

7. The ultrasonic oxygen sensor that is easy to install according to claim 6 is characterized in that: Two threaded plugs (13) are threadedly mounted on the end of the first base block (7), the ends of the two threaded plugs (13) respectively extend into two filter cavities, and a tightening spring (14) is arranged between the threaded plug (13) and the filter sleeve (12).

8. The ultrasonic oxygen sensor that is easy to install according to claim 7, characterized in that: A sinking groove is provided on the upper surface of the second base block (8), and a circuit board assembly (15) is installed in the sinking groove by means of a third screw.

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