CN217483585U - Wear-resistant bidirectional respiratory gas flow sensor - Google Patents
Wear-resistant bidirectional respiratory gas flow sensor Download PDFInfo
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- CN217483585U CN217483585U CN202220909756.8U CN202220909756U CN217483585U CN 217483585 U CN217483585 U CN 217483585U CN 202220909756 U CN202220909756 U CN 202220909756U CN 217483585 U CN217483585 U CN 217483585U
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- air inlet
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- inlet pipe
- ring
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/10—Internal combustion engine [ICE] based vehicles
- Y02T10/40—Engine management systems
Abstract
The utility model provides a two-way breathing gas flow sensor of abrasionproof decreases, include: the vortex cover, the first air inlet pipe, the second air inlet pipe, the exhaust pipe and the air inlet cover are arranged inside the air inlet cover, the sampling pipe is arranged at the port of the sampling pipe, the temperature compensation resistor is arranged at the port of the sampling pipe, when the first air inlet pipe is used for air inlet, the sealing ball inside the second air inlet pipe is used for sealing the air inlet ring under the internal pressure fit, and similarly, when the second air inlet pipe is used for air inlet, the sealing ball inside the first air inlet pipe is used for sealing the air inlet ring, so that the accuracy and the stability of air inlet amount can be ensured, bidirectional switchable air inlet can be synchronously realized, and the operation is simple and convenient; in the testing process, through the blast pipe exhaust to the air inlet cover in, under the cooperation of temperature compensation resistance and platinum silk, realize the detection to the airflow, in the testing process, need not reciprocal regulation air inlet, when two-way detection, do not have mechanical loss, prevent wearing and tearing, the life of extension sensor.
Description
Technical Field
The utility model belongs to the technical field of the sensor, specifically be a two-way breathing gas flow sensor of abrasionproof decreases.
Background
The air flow sensor is a sensor that measures the air flow rate drawn into the engine. In order to obtain the mixture gas with the optimal concentration under various operating conditions, an electronic control gasoline injection engine flow sensor must accurately measure the amount of air sucked into an engine at each moment, and the measured amount is used as a main basis for calculating (controlling) the fuel injection amount by an ECU;
along with social development, in the manufacturing process of the existing flow sensor, when bidirectional detection is needed, an air inlet port needs to be adjusted in a reciprocating mode, under the adjustment and matching, the abrasion is large, the sensor is easy to damage, and the service life is limited.
SUMMERY OF THE UTILITY MODEL
Not enough to prior art exists, the utility model aims at providing a two-way breathing gas flow sensor of abrasionproof decreases to solve the problem that proposes in the above-mentioned background art, the utility model discloses the structure realizes two-way changeable admitting air in step, and is easy and simple to handle.
The purpose of the utility model can be realized by the following technical scheme: an anti-abrasion bidirectional breathing gas flow sensor comprises a vortex cover, a first air inlet pipe, a second air inlet pipe, an exhaust pipe, an air inlet cover, a sampling pipe, a temperature compensation resistor, a flow guide assembly and a platinum wire, wherein the sampling pipe is arranged in the air inlet cover, the temperature compensation resistor is arranged at the port of the sampling pipe, the platinum wire is arranged in the sampling pipe, one port of the air inlet cover is connected with the exhaust pipe, the exhaust pipe is connected with the vortex cover, the vortex cover is connected with the first air inlet pipe and the second air inlet pipe, and the flow guide assembly is arranged in the first air inlet pipe and the second air inlet pipe;
the flow guide assembly comprises a sealing ball, an air inlet ring, a flow guide hole and a connecting rod, the air inlet ring is fixed in the first air inlet pipe, the connecting rod is inserted in the air inlet ring, the sealing ball is fixed at one end of the connecting rod, the flow guide ring is fixed at the other end of the connecting rod, and the flow guide hole is formed in the flow guide ring.
Furthermore, a control box is fixed on the bottom side of the air inlet cover, a circuit board is installed inside the control box, and a connector is installed on one side of the bottom of the control box.
Furthermore, a protective net is packaged at the other end of the air inlet cover, and the temperature compensation resistor and the platinum wire are respectively connected with the circuit board through signal wires.
Furthermore, a rotating shaft is arranged in the vortex cover, and vortex blades are installed on the rotating shaft.
Further, the first air inlet pipe and the second air inlet pipe are arranged in opposite directions.
The utility model has the advantages that: the utility model discloses a wear-resisting two-way breathing gas flow sensor, when the first intake pipe admits air, under interior pressure fit, the inside ball sealer of second intake pipe realizes blocking the air inlet ring, and the same way, when the second intake pipe admits air, the inside ball sealer of first intake pipe realizes blocking the air inlet ring, can guarantee the accuracy, the stability of air input, realizes two-way changeable admission in step, easy and simple to handle; in the detection process, the exhaust pipe exhausts air into the air inlet cover, the air flow is detected under the matching of the temperature compensation resistor and the platinum wire, in the detection process, the air inlet does not need to be adjusted in a reciprocating mode, mechanical loss is avoided during bidirectional detection, abrasion is prevented, and the service life of the sensor is prolonged.
Drawings
To facilitate understanding for those skilled in the art, the present invention will be further described with reference to the accompanying drawings.
FIG. 1 is a schematic view of the whole front perspective structure of the present invention;
fig. 2 is an overall sectional structural schematic diagram of the present invention;
fig. 3 is a schematic structural view of the overall diversion assembly of the present invention;
fig. 4 is a structural diagram of a region a in the overall sectional structural schematic diagram of the present invention;
in the figure: 1. a vortex cover; 2. a first intake pipe; 3. a second intake pipe; 4. an exhaust pipe; 5. an air intake hood; 6. a sampling tube; 7. a temperature compensation resistor; 8. a flow guide assembly; 9. a platinum wire; 10. a protective net; 11. a control box; 12. a circuit board; 13. a connector; 81. a sealing ball; 82. an air inlet ring; 83. a flow guide ring; 84. a flow guide hole; 85. a connecting rod.
Detailed Description
The technical solution of the present invention will be described clearly and completely with reference to the following embodiments, and it should be understood that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
As shown in fig. 1-4, an anti-abrasion bidirectional respiratory gas flow sensor comprises a vortex cover 1, a first air inlet pipe 2, a second air inlet pipe 3, an exhaust pipe 4, an air inlet cover 5, a sampling pipe 6, a temperature compensation resistor 7, a flow guide assembly 8, a platinum wire 9, a protective screen 10, a control box 11, a circuit board 12, a connector 13, a sealing ball 81, an air inlet ring 82, a flow guide ring 83, flow guide holes 84 and a connecting rod 85, wherein the sampling pipe 6 is arranged inside the air inlet cover 5, the temperature compensation resistor 7 is arranged at a port of the sampling pipe 6, the platinum wire 9 is arranged inside the sampling pipe 6, one port of the air inlet cover 5 is connected with the exhaust pipe 4, the exhaust pipe 4 is connected with the vortex cover 1, the vortex cover 1 is connected with the first air inlet pipe 2 and the second air inlet pipe 3, the flow guide assembly 8 is arranged in the first air inlet pipe 2 and the second air inlet pipe 3, and the flow guide assembly 8 comprises a sealing ball 81, Air inlet ring 82, water conservancy diversion ring 83, water conservancy diversion hole 84 and connecting rod 85, air inlet ring 82 fixes in the inside of first intake pipe 2, air inlet ring 82 alternates there is connecting rod 85, the one end of connecting rod 85 is fixed with sealed ball 81, the other end of connecting rod 85 is fixed with water conservancy diversion ring 83, water conservancy diversion hole 84 has been seted up to water conservancy diversion ring 83's inside, when first intake pipe 2 admits air, under inside pressure fit, the inside sealed ball 81 of second intake pipe 3 realizes the shutoff to air inlet ring 82, and on the same way, when second intake pipe 3 admits air, the inside sealed ball 81 of first intake pipe 2 realizes the shutoff to air inlet ring 82, can guarantee the accuracy of air input, and is stable, realize two-way changeable air admission in step, and the operation is simple.
A control box 11 is fixed on the bottom side of the air inlet cover 5, a circuit board 12 is installed inside the control box 11, a connector 13 is installed on one side of the bottom of the control box 11, a protective net 10 is packaged at the other end of the air inlet cover 5, a temperature compensation resistor 7 and a platinum wire 9 are connected with the circuit board 12 through signal lines respectively, a rotating shaft is arranged inside the vortex cover 1, vortex blades are installed on the rotating shaft, a first air inlet pipe 2 and a second air inlet pipe 3 are arranged in opposite directions and exhaust into the air inlet cover 5 through an exhaust pipe 4, detection of air flow is achieved under the cooperation of the temperature compensation resistor 7 and the platinum wire 9, during detection, reciprocating air inlet adjustment is not needed, during bidirectional detection, mechanical loss does not exist, abrasion is prevented, and the service life of a sensor is prolonged.
The utility model discloses when specifically implementing: when the vortex cover is used, a rotating shaft is arranged in the vortex cover 1, vortex blades are installed on the rotating shaft, the first air inlet pipe 2 and the second air inlet pipe 3 are arranged in opposite directions, air can be sucked from different directions, the flow guide assemblies 8 are installed in the first air inlet pipe 2 and the second air inlet pipe 3, when the first air inlet pipe 2 sucks air, the sealing ball 81 in the second air inlet pipe 3 seals the air inlet ring 82 under the internal pressure fit, and similarly, when the second air inlet pipe 3 sucks air, the sealing ball 81 in the first air inlet pipe 2 seals the air inlet ring 82, so that the accuracy and stability of air inflow can be guaranteed, bidirectional switchable air inlet can be synchronously realized, and the operation is simple and convenient;
in the detection process, exhaust is carried out to the air inlet cover 5 through the exhaust pipe 4, the detection of the air flow is realized under the matching of the temperature compensation resistor 7 and the platinum wire 9, in the detection process, the reciprocating air inlet adjustment is not needed, and during the bidirectional detection, the mechanical loss is avoided, the abrasion is prevented, and the service life of the sensor is prolonged.
The preferred embodiments of the present invention disclosed above are intended only to help illustrate the present invention. The preferred embodiments are not exhaustive and do not limit the invention to the precise embodiments disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and its practical applications, to thereby enable others skilled in the art to best understand the invention for and utilize the invention. The present invention is limited only by the claims and their full scope and equivalents.
Claims (5)
1. An anti-abrasion bidirectional respiratory gas flow sensor is characterized by comprising a vortex cover (1), a first air inlet pipe (2), a second air inlet pipe (3), an exhaust pipe (4), an air inlet cover (5), a sampling pipe (6), a temperature compensation resistor (7), a flow guide assembly (8) and a platinum wire (9), a sampling tube (6) is arranged in the air inlet cover (5), a temperature compensation resistor (7) is arranged at the port of the sampling tube (6), a platinum wire (9) is arranged inside the sampling tube (6), one port of the air inlet cover (5) is connected with an exhaust pipe (4), the exhaust pipe (4) is connected with a vortex cover (1), the vortex cover (1) is connected with a first air inlet pipe (2) and a second air inlet pipe (3), the first air inlet pipe (2) and the second air inlet pipe (3) are internally provided with a flow guide assembly (8);
the water conservancy diversion subassembly (8) is including ball sealer (81), admit air ring (82), water conservancy diversion ring (83), water conservancy diversion hole (84) and connecting rod (85), the inside at first intake pipe (2) is fixed in ring of admitting air (82), it has connecting rod (85) to admit air ring (82) interlude, the one end of connecting rod (85) is fixed with ball sealer (81), the other end of connecting rod (85) is fixed with water conservancy diversion ring (83), water conservancy diversion hole (84) have been seted up to the inside of water conservancy diversion ring (83).
2. The wear-resistant bidirectional respiratory gas flow sensor according to claim 1, wherein a control box (11) is fixed to the bottom side of the intake cover (5), a circuit board (12) is installed inside the control box (11), and a connector (13) is installed on one side of the bottom of the control box (11).
3. The wear-resistant bidirectional respiratory gas flow sensor according to claim 2, wherein a protective net (10) is encapsulated at the other end of the air inlet cover (5), and the temperature compensation resistor (7) and the platinum wire (9) are respectively connected with the circuit board (12) through signal wires.
4. The wear resistant bidirectional respiratory gas flow sensor according to claim 3, wherein a rotating shaft is provided inside the vortex housing (1), on which a vortex blade is mounted.
5. The wear resistant bidirectional respiratory gas flow sensor according to claim 4, wherein the first inlet tube (2) and the second inlet tube (3) are arranged in opposite directions.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220909756.8U CN217483585U (en) | 2022-04-20 | 2022-04-20 | Wear-resistant bidirectional respiratory gas flow sensor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220909756.8U CN217483585U (en) | 2022-04-20 | 2022-04-20 | Wear-resistant bidirectional respiratory gas flow sensor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217483585U true CN217483585U (en) | 2022-09-23 |
Family
ID=83308649
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220909756.8U Active CN217483585U (en) | 2022-04-20 | 2022-04-20 | Wear-resistant bidirectional respiratory gas flow sensor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217483585U (en) |
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2022
- 2022-04-20 CN CN202220909756.8U patent/CN217483585U/en active Active
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