Suspended gas flow sensor

Abstract

The utility model relates to a suspension type gas flow sensor which comprises a flow guide cover, an indicating lamp and an electrifying mechanism, a data acquisition module is arranged in the flow guide cover, one end of the flow guide cover is connected with an air filter plate, and one side of the air filter plate is provided with an air suction vibration type dust removal assembly. The air suction vibration type assembly comprises a rotating shaft coaxially arranged with the air filter plate and an impact rod assembly capable of moving along the central axis of the flow guide cover, blades are symmetrically and fixedly arranged at the end, close to the data acquisition module, of the rotating shaft, a driving block is fixedly arranged on one side of the impact rod assembly, and a slope is arranged on one side of the driving block; one side of the rotating shaft is provided with a driving rod which enables the impact rod to axially move by extruding the inclined surface, dust collection holes are formed in the two sides of the air filter plate, the outer side of the flow guide cover is sleeved with a hollow dust collection ring communicated with an inner cavity of the flow guide cover, and an annular dust collection net is fixedly arranged in the hollow dust collection ring. The driving rod is driven by the rotating shaft to rotate, the driving rod abuts against the inclined face of the driving block, so that the driving block moves rightwards along the central axis of the flow guide cover, and after the driving rod is separated from the driving block, the impact rod assembly automatically resets to impact the air filter plate. And meanwhile, the hollow dust collection ring is communicated with the extraction end of a dust collection pump, so that dust falling from the air filter plate is sucked into the hollow dust collection ring to be collected.

Description

TECHNICAL FIELD

[0001] The utility model relates to flow sensor field especially a kind of suspended gas flow sensor. BACKGROUND

[0002] Air flow sensor is the sensor of the air flow of inhaled engine. Electronic control gasoline injection engine flow sensor must correctly measure the air volume inhaled by engine at each moment in order to obtain the best concentration of mixture under various operating conditions, and use it as the main basis for ECU to calculate (control) injection amount, for example, the Chinese patent document with the announcement number CN219829979U discloses a kind of suspended gas flow sensor, including fairing, the lower portion of the fairing is connected with indicating lamp, air flow data acquisition module is arranged in the inside of fairing, one end of fairing is connected with air filter plate, cleaning mechanism is arranged in the inside of fairing and located at the both sides of air filter plate, power-on mechanism is arranged in the upper portion of fairing, dustproof assembly is arranged in the periphery of power-on mechanism, dust suction assembly is arranged at the position of the upper portion of fairing and close to cleaning mechanism, the device cannot carry out efficient dust removal to air filter plate, and urgently needs to be improved. SUMMARY

[0003] The utility model aims at providing a kind of suspended gas flow sensor, to solve the problem that the existing suspended gas flow sensor cannot carry out efficient dust removal to air filter plate.

[0004] To solve the above problems, the utility model provides a kind of suspended gas flow sensor, including fairing, indicating lamp and power-on mechanism, the inside of the fairing is equipped with data acquisition module, one end of the fairing is connected with air filter plate, one side of the air filter plate is equipped with suction vibration type dust removal assembly, the suction vibration type assembly includes the rotating shaft coaxial with the air filter plate and the impact rod assembly movable along the central axis of the fairing, the one end of the rotating shaft close to the data acquisition module is fixedly provided with blade in symmetry, one side of the impact rod assembly is fixedly provided with driving block, one side of the driving block is equipped with slope, one side of the rotating shaft is equipped with driving rod that moves the impact rod axially by extruding the slope, dust suction hole is opened in the both sides of the air filter plate, hollow dust suction ring that communicates with the inner chamber of the fairing is sleeved on the outside of the fairing, annular dust collection net is fixedly arranged in the inside of the hollow dust suction ring.

[0005] The utility model provides a kind of suspended gas flow sensor further has the following technical features:

[0006] Further, the number of the impact rod assembly is 2.

[0007] Further, the impact rod assembly comprises a support frame, an impact rod penetrating through the support frame and a tension spring sleeved on the impact rod, one end of the tension spring is fixedly connected with the support frame, and the other end of the tension spring is fixedly connected with the impact rod.

[0008] Further, the impact rod is in a T shape.

[0009] Further, one side of the support frame is fixedly provided with a motor for driving the rotating shaft to rotate, one end of the rotating shaft penetrating through the support frame is fixedly connected with the output end of the motor in the same axis.

[0010] Further, the rotating speed of the motor is 50-60r / min.

[0011] The utility model has the following beneficial effects: when the air filter plate works for a period of time, the rotating shaft drives the driving rod to rotate, the driving rod is in contact with the inclined surface of the driving block, so that the driving block moves rightwards along the central axis of the radome, when the driving rod is separated from the driving block, the impact rod assembly is automatically reset to impact the air filter plate, and the hollow dust collection ring is communicated with the suction end of the dust collection pump to suck the dust falling from the air filter plate into the hollow dust collection ring for collection. BRIEF DESCRIPTION OF DRAWINGS

[0012] Figure 1 It is a whole structure schematic view of the suspension type gas flow sensor;

[0013] Figure 2 It is a whole structure schematic view of the suspension type gas flow sensor; Figure 1 It is a local structure enlarged schematic view of A in the middle. DETAILED DESCRIPTION

[0014] Hereinafter, the utility model will be described in detail with reference to the drawings and in combination with embodiments. It should be noted that, in the case of no conflict, the embodiments in the utility model and the features in the embodiments can be combined with each other.

[0015] As Figures 1 to 2The utility model discloses a kind of suspension type gas flow sensor's embodiments of the utility model shown, including fairing 1, indicator light 2 and power mechanism 3, the inside of fairing 4 is equipped with data acquisition module 5, one end of fairing 4 is connected with air filter plate 6, one side of air filter plate 6 is equipped with suction vibration type dust removal assembly 7, suction vibration type assembly 7 includes the shaft 71 of being coaxially arranged with air filter plate 6 and the impact rod assembly 72 of being movable along the central axis of fairing 4, the end of shaft 71 close to data acquisition module 5 is fixed with blade 710 symmetrically, one side of impact rod assembly 72 is fixed with driving block 8, one side of driving block 8 is equipped with slope 81, one side of shaft 71 is equipped with driving rod 9 by extruding slope 81 so that impact rod 72 axial movement, dust suction hole 60 is opened in the two sides of air filter plate 6, hollow dust suction ring 10 of being communicated with the inner chamber of fairing 4 is sleeved on the outside of fairing 4, annular dust collection net 11 is fixed in the inside of hollow dust suction ring 10, specifically, when using, airflow enters into the inside of fairing 4 by air filter plate 6, airflow flow data acquisition module 5 arranged in the inside of fairing 4 can be cooperated to realize the collection of airflow flow data, when airflow enters, realize the operation of driving power mechanism 3, realize the power-on of indicator light 2, indicator light 2 is bright after power-on, whether the admission of staff is determined, whether the damage of suspension type gas flow sensor is judged according to whether the detection data appears on airflow flow data acquisition module 5, when detection data appears on airflow flow data acquisition module, it indicates that suspension type gas flow sensor is in detection operation, and gas flow is determined according to the data on airflow flow data acquisition module, when air filter plate 6 works for a period of time, driving rod 9 is rotated by shaft 71, driving rod 9 is contacted with the slope of driving block 8, so that driving block 8 moves along the central axis of fairing 4 to right, when driving rod 9 is separated from driving block 8, impact rod assembly 72 is automatically reset, to impact air filter plate, and simultaneously, hollow dust suction ring 10 is communicated with the extraction end of dust suction pump, to suck the dust falling from air filter plate 6 into hollow dust suction ring and collect.

[0016] In an embodiment of the present application, the number of impact rod assemblies 72 is 2.

[0017] In an embodiment of the present application, the impact rod assembly 72 includes a support frame 721, an impact rod 722 passing through the support frame 721, and a tension spring 723 sleeved on the impact rod, one end of the tension spring 723 is fixedly connected with the support frame 721, and the other end of the tension spring 723 is fixedly connected with the impact rod 722.

[0018] In an embodiment of the present application, the impact rod 722 is in the shape of "T".

[0019] In one embodiment of the present application, one side of the support frame 721 is fixedly provided with a motor 11 for driving the rotation of the rotating shaft 71, and one end of the rotating shaft 71 penetrates through the support frame 721 and is fixedly connected with the output end of the motor 11 in the coaxial center.

[0020] In one embodiment of the present application, the rotating speed of the motor 11 is 50-60 r / min.

[0021] Finally, it should be noted that: the above embodiments are only used to illustrate the technical solutions of the present application, and not to limit them; although the present application has been described in detail with reference to the foregoing embodiments, those skilled in the art should understand that: it can still modify the technical solutions recorded in the foregoing embodiments, or make equivalent replacement for part of the technical features; and these modifications or replacements do not make the essence of the corresponding technical solutions deviate from the spirit and scope of the technical solutions of the embodiments of the present application.

Claims

1. A suspended gas flow sensor, characterized by, The utility model provides a kind of air filter plate, including fairwater, indicating lamp and energization mechanism, the inside of the fairwater is equipped with data acquisition module, one end of the fairwater is connected with air filter plate, one side of the air filter plate is equipped with air suction vibration type dust removal assembly, the air suction vibration type dust removal assembly includes the rotating shaft being coaxially arranged with the air filter plate and the impact rod assembly being movable along the central axis of the fairwater, the end of the rotating shaft close to the data acquisition module is fixedly provided with blade symmetrically, one side of the impact rod assembly is fixedly provided with driving block, one side of the driving block is equipped with slope, one side of the rotating shaft is equipped with driving rod by extruding the slope so that the impact rod axially moves, dust suction hole is opened in the two sides of the air filter plate, hollow dust suction ring is sleeved on the outside of the fairwater and is communicated with the inner chamber of the fairwater, annular dust collection net is fixedly arranged in the inside of the hollow dust suction ring.

2. A suspended gas flow sensor according to claim 1, wherein: The number of the impact rod assembly is 2.

3. A suspended gas flow sensor according to claim 1, wherein: The impact rod assembly includes a support frame, an impact rod penetrating through the support frame, and a tension spring sleeved on the impact rod, one end of the tension spring is fixedly connected with the support frame, and the other end of the tension spring is fixedly connected with the impact rod.

4. A suspended gas flow sensor according to claim 3, wherein: The shape of the impact rod is "T".

5. A suspended gas flow sensor according to claim 3, wherein: One side of the support frame is fixedly provided with a motor for driving the rotating shaft to rotate, and one end of the rotating shaft penetrating through the support frame is coaxially fixedly connected with the output end of the motor.

6. A suspended gas flow sensor according to claim 5, wherein: The rotating speed of the motor is 50-60 r / min.

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