CN220488444U - Throttle valve body for improving measuring precision of sensor - Google Patents
Throttle valve body for improving measuring precision of sensor Download PDFInfo
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- CN220488444U CN220488444U CN202321644883.0U CN202321644883U CN220488444U CN 220488444 U CN220488444 U CN 220488444U CN 202321644883 U CN202321644883 U CN 202321644883U CN 220488444 U CN220488444 U CN 220488444U
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- valve body
- copper pipe
- sensor
- map
- inner cavity
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- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims abstract description 48
- 229910052802 copper Inorganic materials 0.000 claims abstract description 48
- 239000010949 copper Substances 0.000 claims abstract description 48
- 238000004891 communication Methods 0.000 claims description 16
- 238000005259 measurement Methods 0.000 claims description 13
- 239000000523 sample Substances 0.000 claims description 7
- 239000000126 substance Substances 0.000 description 3
- 238000001514 detection method Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012544 monitoring process Methods 0.000 description 2
- 230000001133 acceleration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 230000035945 sensitivity Effects 0.000 description 1
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Abstract
The utility model relates to a throttle valve body for improving the measuring precision of a sensor, wherein a valve body MAP hole is formed in the valve body, the left end of the valve body MAP hole is communicated with a first inner cavity, the upper part of the valve body is a cylinder head end, the left end of the valve body is provided with a vertical second copper pipe, the second copper pipe is communicated with the valve body MAP hole, the lower end of the valve body is provided with a vertical first copper pipe, the upper end of the first copper pipe is communicated with the inner cavity of an air inlet end of the valve body, and the second copper pipe is connected with the first copper pipe through a hose; the mixed gas passes through the first copper pipe, the hose and the second copper pipe to reach the MAP hole of the valve body and enter the PPTS-MAP channel, and the three-in-one sensor indirectly measures the air pressure of the mixed gas at the air inlet end of the valve body; the mixed gas passes through a longer detour route, so that the chance that oil gas in the valve body runs into the PPTS-MAP channel through the MAP hole of the valve body is reduced.
Description
Technical Field
The utility model relates to the technical field of sensors, in particular to a throttle valve body for improving the measuring precision of a sensor.
Background
The three-in-one sensor is one of important sensors on a motorcycle, can convert information such as physical quantity, electric quantity and chemical quantity into signals which can be understood and received by an Electronic Controller (ECU), and the quality and sensitivity of the three-in-one sensor directly influence the monitoring and control quality of the ECU on each monitoring part; the three-in-one sensor mainly comprises an air inlet temperature sensor, an air inlet pressure sensor and a throttle position sensor; the main function of the intake air temperature sensor is to measure the temperature of the gas entering the intake manifold; the intake pressure sensor is used for detecting the absolute pressure of an intake manifold; the throttle position sensor probe is fixedly connected with the valve plate rotating shaft and mainly used for detecting working conditions of an engine, such as idling, medium load, heavy load, rapid acceleration and rapid deceleration.
The gas in the air inlet end is air and gas mixed together; when the intake pressure is measured, gas directly enters the PPTS-MAP channel through the MAP hole of the valve body, as shown in figure 1; or another portion may take a detour involving sensing pressure as shown in fig. 2; at low rotation speed, the probability of oil gas entering the PPTS-MAP channel is smaller, but at high rotation speed, the probability of oil gas entering is increased and part of gasoline is attached to the vicinity of the barometric pressure measuring chip due to the fact that the oil gas in the mixed gas is higher, and finally the measurement accuracy is affected.
Disclosure of Invention
The utility model aims to overcome the defects of the prior art and provide a throttle valve body for improving the measurement precision of a sensor.
The aim of the utility model can be achieved by the following technical scheme:
the throttle valve body for improving the measuring precision of the sensor comprises a valve body, a sensor and a communication assembly, wherein the bottom end of the valve body is provided with an air inlet end which is connected with one end of the communication assembly and is used for introducing mixed gas,
the sensor is arranged at one end of the valve body, an inner cavity component is arranged in the sensor, and the inner cavity component is connected with the other end of the communication component.
In one embodiment of the utility model, a PPTS-MAP channel (pressure position temperature sensor-air pressure measuring channel) is also arranged in the sensor, a pressure chip is arranged at the bottom of the PPTS-MAP channel, the PPTS-MAP channel is connected with the inner cavity component, the pressure chip is connected with an external electronic controller, the pressure chip is used for detecting the pressure of the mixed gas entering the PPTS-MAP channel,
the PPTS-MAP channel is a circular channel and is used for connecting a pressure chip;
the sensor is a three-in-one sensor (pressure position temperature sensor) which is used for converting information such as physical quantity, electric quantity and chemical quantity into signals which can be understood and received by an Electronic Control Unit (ECU).
In one embodiment of the utility model, the valve body is further provided with a cylinder head end, the cylinder head end is located above the air inlet end, the air inlet end is provided with an inner cavity, and the inner cavity of the air inlet end is communicated with the cylinder head end.
In one embodiment of the utility model, the valve body is further provided with a valve body MAP hole, the bottom end of the valve body MAP hole is communicated with the inner cavity of the air inlet end through the communication component, and one end of the valve body MAP hole is connected with the inner cavity component.
In one embodiment of the utility model, the MAP hole of the valve body is a blind hole, and the blind hole is a blind hole.
In one embodiment of the utility model, the inner cavity assembly comprises a first inner cavity and a second inner cavity, wherein the first inner cavity is communicated with one end of the MAP hole of the valve body, one end of the second inner cavity is connected with the first inner cavity, and the other end of the second inner cavity is connected with the PPTS-MAP channel.
In one embodiment of the utility model, the communication assembly comprises a first copper pipe, a hose and a second copper pipe, wherein one end of the hose is connected with the first copper pipe, the other end of the hose is connected with the second copper pipe, the upper end of the second copper pipe is connected with the bottom end of the MAP hole of the valve body, the upper end of the first copper pipe is communicated with the inner cavity of the air inlet end, the first copper pipe is arranged at the lower end of the valve body, and the second copper pipe is vertically arranged at one end of the valve body.
In one embodiment of the utility model, the first copper tube and the second copper tube have a diameter of 3mm,
the hose is made of oil-resistant rubber, the hose is an elastic corrugated pipe, the length of the hose is adjustable, and when measurement with different precision is needed, the length of the hose can be adjusted.
In one embodiment of the utility model, the front side of the valve body is provided with a bulge, the first copper pipe is installed on the bulge in the front-back direction, the lower end of the valve body is provided with a downward bulge, and the second copper pipe is vertically installed on the bulge.
In one embodiment of the utility model, one end of the valve body is provided with a valve plate rotating shaft, and the valve plate rotating shaft is fixedly provided with a valve plate and a throttle position sensor probe which is used for collecting position information of the valve plate.
Compared with the prior art, the utility model has the following beneficial effects:
when the engine is under a specific working condition, more oil gas at the air inlet end enters the hose through the first copper pipe, and then the mixed gas enters the first inner cavity and the second inner cavity from the second copper pipe, finally reaches the PPTS-MAP channel for pressure detection; through a longer detour line, the chance that oil gas at the air inlet end directly enters the PPTS-MAP channel through the MAP hole of the valve body is reduced; compared with the valve body MAP hole directly connected to the PPTS-MAP channel, the utility model reduces the probability of oil gas entering the PPTS-MAP channel and increases the measurement accuracy of the barometric chip.
Drawings
FIG. 1 is a schematic view of a first prior art valve body;
FIG. 2 is a schematic illustration of the construction of a second prior art valve body;
FIG. 3 is a rear elevational view of the structure of the present utility model;
FIG. 4 is a front view of the structure of the present utility model;
FIG. 5 is a schematic flow of the mixed gas in the valve body;
FIG. 6 is a schematic diagram of intake pressure versus voltage.
Description of the drawings: 1. the valve comprises an air inlet end 2, a cylinder head end 3, a valve body MAP hole 4, a PPTS-MAP channel 5, a first inner cavity 6, a second inner cavity 7, a first copper pipe 8, a hose 9, a sensor 10, a second copper pipe 11 and a valve plate rotating shaft.
Detailed Description
The utility model will now be described in detail with reference to the drawings and specific examples.
In the description of the present utility model, it should be noted that the terms "center", "longitudinal", "lateral", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the apparatus or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.
Examples
Referring to fig. 1 to 6, the present embodiment provides a throttle valve body for improving the measurement accuracy of a sensor, comprising a valve body, a sensor 9 and a communication assembly, wherein the bottom end of the valve body is provided with an air inlet end 1, the air inlet end 1 is connected with one end of the communication assembly, the air inlet end 1 is used for introducing mixed gas,
the sensor 9 is arranged at one end of the valve body, an inner cavity component is arranged in the sensor 9, and the inner cavity component is connected with the other end of the communication component.
In this embodiment, the sensor 9 is further provided with a PPTS-MAP channel 4, a pressure chip is disposed at the bottom of the PPTS-MAP channel 4, the PPTS-MAP channel 4 is connected to the inner cavity assembly, the pressure chip is connected to an external electronic controller, the pressure chip is used for detecting the pressure of the mixed gas entering the PPTS-MAP channel 4,
the PPTS-MAP channel 4 is a circular channel which is used for connecting a pressure chip;
the sensor 9 is a three-in-one sensor, and the three-in-one sensor is used for converting information such as physical quantity, electric quantity and chemical quantity into signals which can be understood and received by an Electronic Control Unit (ECU).
In this embodiment, the valve body is further provided with a cylinder head end 2, the cylinder head end 2 is located above the air inlet end 1, the air inlet end 1 is provided with an inner cavity, and the inner cavity of the air inlet end 1 is communicated with the cylinder head end 2.
In this embodiment, the valve body is further provided with a valve body MAP hole 3, the bottom end of the valve body MAP hole 3 is communicated with the inner cavity of the air inlet end 1 through a communication component, and one end of the valve body MAP hole 3 is connected with the inner cavity component.
In this embodiment, the valve body MAP hole 3 is a blind hole, and the blind hole is a hole with one end not being connected.
In this embodiment, the cavity assembly includes a first cavity 5 and a second cavity 6, where the first cavity 5 is communicated with one end of the valve body MAP hole 3, one end of the second cavity 6 is connected with the first cavity 5, and the other end of the second cavity 6 is connected with the PPTS-MAP channel 4.
In this embodiment, the communication assembly includes first copper pipe 7, hose 8 and second copper pipe 10, hose 8 one end links to each other with first copper pipe 7, the hose 8 other end links to each other with second copper pipe 10, second copper pipe 10 upper end links to each other with valve body MAP hole 3 bottom, first copper pipe 7 upper end is linked together with the inner chamber of inlet end 1, first copper pipe 7 is installed in valve body lower extreme, second copper pipe 10 is vertical to be installed in valve body one end.
In this embodiment, the diameters of the first copper tube 7 and the second copper tube 10 are 3mm,
the hose 8 is made of oil-resistant rubber, the hose 8 is an elastic corrugated pipe, and the length of the hose 8 is adjustable.
In this embodiment, the front side of the valve body is provided with a protrusion, the first copper pipe 7 is mounted on the protrusion in the front-back direction, the lower end of the valve body is provided with a downward protrusion, and the second copper pipe 10 is vertically mounted on the protrusion.
In this embodiment, one end of the valve body is provided with a valve plate rotating shaft 11, and a valve plate and a throttle position sensor probe are fixed on the valve plate rotating shaft 11, and the throttle position sensor probe is used for collecting position information of the valve plate.
In addition, the embodiment also provides a using method of the throttle valve body for improving the measuring precision of the sensor, which comprises the following specific steps:
when the mixed gas enters the valve body in use, the temperature in the cavity is detected by the air inlet temperature sensor probe extending into the inner cavity of the air inlet end 1, and the rotation rack is driven by the pull wire to drive the valve plate fixed on the valve plate rotating shaft 11 to move, so that the throttle position sensor probe fixed on the valve plate rotating shaft 11 collects the position information of the valve plate. The temperature of the inner cavity and the position information of the valve plate are fed back to the ECU through the sensor 9; and the ECU is used for collecting and processing the temperature of the inner cavity and the position information of the valve plate. Then, the mixed gas in the valve cavity enters a hose 8 through a first copper pipe 7, then comes out of a second copper pipe 10, enters a first inner cavity 5 and a second inner cavity 6, finally reaches the PPTS-MAP channel 4, and a pressure chip at the bottom of the PPTS-MAP channel 4 carries out pressure detection on the pressure of the entering gas; the detected information is fed back to the ECU through the sensor 9; the ECU is allowed to collect and process the gas pressure information. Through longer detour line, the chance that the oil gas of inlet end gets into PPTS-MAP passageway 4 through valve body MAP hole 3 has been reduced. Compared with the valve body MAP hole 3 directly connected to the PPTS-MAP channel 4, the utility model reduces the probability of oil gas entering the PPTS-MAP channel 4 and increases the measurement accuracy of the barometric chip.
The previous description of the embodiments is provided to facilitate a person of ordinary skill in the art in order to make and use the present utility model. It will be apparent to those skilled in the art that various modifications can be readily made to these embodiments and the generic principles described herein may be applied to other embodiments without the use of the inventive faculty. Therefore, the present utility model is not limited to the above-described embodiments, and those skilled in the art, based on the present disclosure, should make improvements and modifications without departing from the scope of the present utility model.
Claims (10)
1. The throttle valve body for improving the measuring precision of the sensor is characterized by comprising a valve body, a sensor (9) and a communication assembly, wherein the bottom end of the valve body is provided with an air inlet end (1), the air inlet end (1) is connected with one end of the communication assembly, the air inlet end (1) is used for introducing mixed gas,
the sensor (9) is arranged at one end of the valve body, an inner cavity component is arranged in the sensor (9), and the inner cavity component is connected with the other end of the communication component.
2. The throttle valve body for improving the measurement precision of the sensor according to claim 1, wherein the sensor (9) is internally provided with a PPTS-MAP channel (4), the bottom of the PPTS-MAP channel (4) is provided with a pressure chip, the PPTS-MAP channel (4) is connected with an inner cavity component, the pressure chip is connected with an external electronic controller, the pressure chip is used for detecting the pressure of the mixed gas entering the PPTS-MAP channel (4),
the PPTS-MAP channel (4) is a circular channel which is used for connecting a pressure chip;
the sensor (9) is a three-in-one sensor.
3. The throttle valve body for improving the measurement accuracy of the sensor according to claim 1, wherein the valve body is further provided with a cylinder head end (2), the cylinder head end (2) is located above the air inlet end (1), the air inlet end (1) is provided with an inner cavity, and the inner cavity of the air inlet end (1) is communicated with the cylinder head end (2).
4. A throttle valve body for improving the measurement accuracy of a sensor according to claim 3, wherein the valve body is further provided with a valve body MAP hole (3), the bottom end of the valve body MAP hole (3) is communicated with the inner cavity of the air inlet end (1) through a communication component, and one end of the valve body MAP hole (3) is connected with the inner cavity component.
5. A throttle valve body for improving the measurement accuracy of a sensor according to claim 4, characterized in that the valve body MAP hole (3) is a blind hole.
6. A throttle valve body for improving the measurement accuracy of a sensor according to claim 4, wherein the cavity assembly comprises a first cavity (5) and a second cavity (6), the first cavity (5) is communicated with one end of a valve body MAP hole (3), one end of the second cavity (6) is connected with the first cavity (5), and the other end of the second cavity (6) is connected with a PPTS-MAP channel (4).
7. The throttle valve body for improving the measurement accuracy of a sensor according to claim 4, wherein the communication assembly comprises a first copper pipe (7), a hose (8) and a second copper pipe (10), one end of the hose (8) is connected with the first copper pipe (7), the other end of the hose (8) is connected with the second copper pipe (10), the upper end of the second copper pipe (10) is connected with the bottom end of a MAP hole (3) of the valve body, the upper end of the first copper pipe (7) is communicated with the inner cavity of the air inlet end (1), the first copper pipe (7) is mounted at the lower end of the valve body, and the second copper pipe (10) is vertically mounted at one end of the valve body.
8. The throttle valve body for improving the measurement precision of the sensor according to claim 7, wherein the hose (8) is made of oil-resistant rubber, and the hose (8) is an elastic corrugated pipe.
9. A throttle valve body for improving the measuring precision of a sensor according to claim 7, characterized in that a bulge is arranged on the front side of the valve body, the first copper pipe (7) is arranged on the bulge in the front-back direction, a downward bulge is arranged at the lower end of the valve body, and the second copper pipe (10) is vertically arranged on the bulge.
10. The throttle valve body for improving the measuring precision of the sensor according to claim 1, wherein one end of the valve body is provided with a valve plate rotating shaft (11), and a valve plate and throttle position sensor probe is fixed on the valve plate rotating shaft (11) and used for collecting position information of the valve plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321644883.0U CN220488444U (en) | 2023-06-27 | 2023-06-27 | Throttle valve body for improving measuring precision of sensor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321644883.0U CN220488444U (en) | 2023-06-27 | 2023-06-27 | Throttle valve body for improving measuring precision of sensor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220488444U true CN220488444U (en) | 2024-02-13 |
Family
ID=89830511
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321644883.0U Active CN220488444U (en) | 2023-06-27 | 2023-06-27 | Throttle valve body for improving measuring precision of sensor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220488444U (en) |
-
2023
- 2023-06-27 CN CN202321644883.0U patent/CN220488444U/en active Active
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