CN214794402U

CN214794402U - Series gear sensor, terminal and vehicle

Info

Publication number: CN214794402U
Application number: CN202022934377.8U
Authority: CN
Inventors: 赵栋; 刘涛; 祁佳琳; 宋同健; 姜宝龙; 崔桐林
Original assignee: Shandong Mingchuan Automobile Group Co ltd
Current assignee: Shandong Mingchuan Automobile Group Co ltd
Priority date: 2020-12-10
Filing date: 2020-12-10
Publication date: 2021-11-19
Anticipated expiration: 2030-12-10

Abstract

The utility model discloses a cluster keeps off sensor, terminal and vehicle, the sensor includes the main part, transmitting equipment and receiving arrangement, be provided with the detection air chamber in the main part, the detection air chamber runs through this main part at perpendicular to main part extending direction, be formed with two sets of passageway groups at least in its extending direction in the main part, every group passageway group is formed with a light path passageway at least, the cavity that the detection air chamber formed all is in the light path that two sets of passageway groups become, still be provided with the reflect meter that has the plane of reflection in the main part, transmitting equipment's light is by one of them a set of incidences in two sets of passageway groups get into another group's passageway group after the plane of reflection is passed through again. The utility model discloses the scheme is simple as a result, has improved the detection precision and the detection efficiency of sensor effectively.

Description

Series gear sensor, terminal and vehicle

Technical Field

The utility model belongs to the technical field of environmental protection equipment especially on-vehicle tail gas control administers, concretely relates to cluster keeps off sensor, terminal and vehicle.

Background

Exhaust gases emitted during operation of a motor vehicle or other equipment. In modern civilization, automobiles have become an indispensable means of transportation for humans. However, while the automobile industry is rapidly developing and the automobile yield and keeping quantity are continuously increasing, the automobile also brings air pollution, namely automobile exhaust pollution. In large and medium-sized cities in China, automobile exhaust emission becomes a main air pollution source. There are data showing that the total amount of automobiles in Shanghai city is only 1/12 of Tokyo, Japan, but CO, HC, and NO in the air are mainly emitted from automobiles_xThe total amount of (a) is substantially the same. The quantity of automobiles in China will be greatly increased along with the rapid development of economy and the increase of social needs. It follows that there is a pressing need to reduce emissions from automobile exhaust. In order to promote environmental protection and environmental management, the automobile exhaust is monitored in real time and becomes a current means. In the prior art, the existing sensor has a large structure, poor thermal conductivity and long response time, and cannot feed back signals in time, so that the detection precision, the response efficiency and other aspects of the existing sensor are all to be improved.

Disclosure of Invention

The utility model discloses a cluster keeps off sensor, terminal and vehicle, through the mode that adopts the binary channels design, because the reason of light speed, also can regard as same air current component, carried out twice continuous through to same part air current promptly by the light beam, to making the sensor obtain secondary or many times signal acquisition's chance in same time detecting, thereby strengthened the response strength of signal effectively, simultaneously again because the whole size of equipment is little, so the testing result is difficult for producing undulantly.

The utility model discloses a cluster keeps off sensor, comprising a main body, transmitting equipment and receiving arrangement, be provided with the detection air chamber in the main part, the detection air chamber runs through this main part in perpendicular to main part extending direction, be formed with two sets of passageway groups at least in its extending direction in the main part, every group passageway group is formed with a light path passageway at least, the cavity that the detection air chamber formed all is on the light path that two sets of passageway groups become, still be provided with the reflect meter that has the plane of reflection in the main part, transmitting equipment's light is by one of them a set of incidences among two sets of passageway groups again enter another set of passageway group after the plane of reflection.

The utility model discloses an improvement of cluster fender sensor is formed with two light path passageways in its extending direction in the main part, and the cavity that detects the air chamber and form is all on the light path that two light path passageways become, still is provided with the reflect meter that has the plane of reflection in the main part, and launch equipment's light gets into another light path passageway after passing through the plane of reflection again by one of them incidence in two light path passageways.

The utility model discloses an improvement of cluster fender sensor, the light path passageway of two sets of passageway groups is parallel arrangement. A guide optical fiber can also be arranged on one side of the optical path channel close to the reflecting device to guide the optical fiber to the reflecting surface.

The utility model discloses an improvement of cluster fender sensor, the reflection point that forms on the plane of reflection by light path passageway outgoing to reflect meter is the face symmetry, and the plane of symmetry is the plane of symmetry that two sets of light path passageways formed in the main part and this plane of symmetry is through the axis of main part.

In the above scheme, in order to satisfy the parallelism of the detection light rays passing through the detection gas chamber, the corner reflector is a reflecting device having reflecting surfaces with an included angle of 90 degrees therebetween; it is also possible that when a spherical reflector is used, the angle between the incident ray and the normal to the point of reflection is 45 degrees.

The utility model discloses an improve of cluster fender sensor, the extension line of the light path passageway's of two sets of passageway groups axis is that cross arrangement and nodical being located the plane of reflection between them, and the normal coincidence of the symmetry axis that the extension line formed and the intersection point position on the plane of reflection.

The utility model discloses an improvement of cluster fender sensor, reflect meter are sphere or plane for the reflection.

The utility model discloses an improvement of cluster fender sensor, reflect meter are spherical reflector or corner reflector or optic fibre of indent sphere for the reflection.

The utility model discloses an improvement of cluster fender sensor still is provided with the breather pipe in the main part, and the breather pipe has the air inlet and blows the mouth, blows the mouth and is used for providing the air current in order to sweep, cool off plane and/or firing equipment to plane of reflection and/or firing equipment. The air inlet is used for taking working gas from a gas source (such as air or a blower or a gas tank) and the like.

The utility model discloses a terminal, including the cluster that is used for acquireing tail gas detected signal keeps off the sensor. The terminal can be a complete set of equipment with a sensor and a processing device such as an intelligent control chip and the like, can carry out primary processing on sensor data and feed the sensor data back to a vehicle or a remote platform (such as a monitoring platform of an environmental protection department) and can be connected to a vehicle-mounted computer in a wired mode or be connected to the remote platform in a wireless mode in order to meet communication requirements.

The utility model discloses a vehicle, including setting up in the cluster of vehicle vent-pipe keeps off the sensor to the detection air chamber that the cluster kept off the sensor is located the vent-pipe, and the terminal equipment who possesses the cluster and keeps off the sensor is loaded on the vehicle promptly, with obtain tail gas detection information at the driving process.

In the implementation of this scheme, detect the cooperation of light path and detection air chamber through the design for tail gas can be through two light path holes, and different settings can be earlier through the transmission way or earlier through receiving the way, in order to reach different detection effect, improve more accurate detection precision.

Drawings

In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments described in the present application, and other drawings can be obtained by those skilled in the art without creative efforts.

FIG. 1 is a schematic external structural view of an embodiment of the present application;

FIG. 2 is a schematic diagram of the internal structure of one embodiment of the present application;

FIG. 3 is a schematic external structural view of yet another embodiment of the present application;

FIG. 4 is a schematic diagram of the internal structure of the embodiment of FIG. 3;

fig. 5 is a schematic structural diagram of yet another embodiment of the present application.

Detailed Description

The present invention will be described in detail below with reference to embodiments shown in the drawings. The embodiments are not intended to limit the present invention, and structural, methodological, or functional changes made by those skilled in the art according to the embodiments are included in the scope of the present invention.

The utility model discloses a series block sensor, including the main part (this main part can be cylindrical overall structure, such as cylinder, prism etc. also can be a plurality of column structures set up side by side, or other structures that satisfy the requirement of detection light path, can satisfy that detection light beam passes the detection air chamber and detect can), transmitting equipment (transmitting equipment can be for laser etc.) and receiving equipment (be used for receiving like the laser send and twice pass through the light signal that detects the air chamber, can be the transfer equipment, transmit the light signal to signal processing equipment directly or after amplifying, also can convert it into electrical signal such as digital signal or analog signal's converter etc.), be provided with the detection air chamber in the main part, the detection air chamber runs through this main part in the direction of extension of perpendicular to main part, to form the cavity that the air feed stream passes through, thereby when installing the main part of sensor in the blast pipe, the opening of the detection air chamber on the main body is along the exhaust direction, so that the tail gas can smoothly pass through the cavity of the detection air chamber, at least two groups of channel groups are formed on the main body in the extension direction of the main body, each group of channel groups is at least provided with one light path channel, the cavity formed by the detection air chamber is arranged on the light path formed by the two groups of channel groups, so that at least one group of channel groups is used for being connected with transmitting equipment to form an incident light path channel (the channel can firstly pass through the cavity of the detection air chamber), while at least another group of channel groups is used for being connected with receiving equipment to form a reflected light path channel or an emergent light path (the channel can secondly pass through the cavity of the detection air chamber), a complete detection light path is formed in the main body by matching the two types of channel groups and matching with a reflection device, the light of the light path passes through the gas of the detection air chamber twice (when the number of all the channel groups is more than 2, the light of the emission device enters the other channel group after being incident from one of the two channel groups and reflected by the reflecting surface, and each channel group on the light path passes through the primary detection air chamber. Taking two optical path channels as an example, two sets of channel groups are arranged on the main body, each set of channel group is provided with one optical path channel, namely, after light is emitted by emitting equipment such as a laser, the light is firstly transmitted on the optical path formed by one optical path channel, passes through the detection air chamber for the first time, is continuously transmitted, then is reflected by the reflecting surface to enter the optical path formed by the other optical path channel for transmission, passes through the detection air chamber for the second time, and then enters the receiving equipment. That is, two optical path channels are formed on the main body in the extending direction, the cavity formed by the detection air chamber is on the optical path formed by the two optical path channels, the main body is also provided with a reflecting device with a reflecting surface, and the light of the emitting device enters the other optical path channel after being incident from one of the two optical path channels and reflected by the reflecting surface.

In the above scheme, the optical path channels of the two channel groups may be arranged in parallel. At this moment, light emitted by one channel group can be directly reflected to the other channel group by the reflecting surface, or a guide optical fiber is arranged on one side of the light path channel close to the reflecting device to guide the optical fiber to the reflecting surface, and then the light is reflected by the reflecting surface to enter the corresponding guide optical fiber and then enter the other channel group, or the optical fiber can directly serve as the reflecting device, so that the direct transmission of the light between the two channel groups is realized.

For the above parallel situation, the reflection points formed on the reflection surface of the reflection device from the light path channels are plane-symmetric, the symmetry plane is a symmetry plane formed by the two sets of light path channels on the main body, and the symmetry plane passes through the central axis of the main body. In this case, the reflecting device is a spherical reflector or a corner reflector or an optical fiber which is reflected as a concave spherical surface. In order to meet the requirement of parallelism of detection light rays passing through the detection air chamber, the corner reflector is a reflecting device provided with reflecting surfaces with an included angle of 90 degrees; it is also possible that when a spherical reflector is used, the angle between the incident ray and the normal to the point of reflection is 45 degrees. This parallel scheme is illustrated in fig. 1-4.

In yet another embodiment, the extension lines (the schematic light path lines in fig. 5) of the central axes of the light path channels of the two channel groups may be arranged in a cross manner, the intersection point of the two is located on the reflection surface, and the symmetry axis formed by the extension lines coincides with the normal line of the intersection point on the reflection surface. As is the case shown in fig. 5. Preferably, the angle between the extension line and the normal of the intersection position on the reflection surface is 45 degrees.

In the above solution, the reflection device may be a spherical surface or a plane surface. That is, the reflecting means may be a spherical reflector or a corner reflector or an optical fiber or the like.

One application terminal for the sensor herein includes a serial sensor for acquiring an exhaust gas detection signal. The terminal may be a complete set of equipment with a sensor and a processing device such as an intelligent chip, etc., which can perform preliminary processing on sensor data and feed back the sensor data to a vehicle or a remote platform (such as a monitoring platform of an environmental protection department, etc.), and at this time, the terminal may be connected to a vehicle-mounted computer by wire or wirelessly to the remote platform in order to satisfy communication.

One application vehicle as the sensor or terminal herein includes a tandem sensor provided in an exhaust pipe of the vehicle, and a detection chamber of the tandem sensor is located in the exhaust pipe.

As shown in fig. 1 and 2, the main body 01 of the sensor is composed of two optical path tube parts arranged in parallel, each optical path tube part is provided with an optical path channel (011, 012) along the extending direction of the central line, and in order to realize the signal acquisition function, a detection air chamber 014 is arranged on the main body 01 in the direction perpendicular to or at least inclined to the central line, the detection air chamber 014 is arranged to meet the requirement that the detection optical paths in the two optical path channels can effectively pass through the space of the detection air chamber 014, and the most preferred embodiment is that the center of the detection air chamber 014 is on the plane of the central lines of the two optical path channels. The opening positions of the two optical path channels at one end of the main body 01 can be directly provided with a laser transmitter 041 at one end and an optical signal receiver 042 at the other end; of course, the laser emitter 041 and the optical signal receiver 042 may also be mounted on the laser mount 04, and then the laser mount 04 is connected to the main body 01 through the laser connecting seat 03, at this time, the laser mount 04 and the laser connecting seat 03 are both provided with at least a transition channel corresponding to the optical path channel on the main body 01 to satisfy the propagation of light, as shown in fig. 1 to 4, such indirect connection is adopted, and the connection between the main body 01, the laser connecting seat 03, and the laser mount 04 may be implemented by a threaded connection, a pin connection, or the like; in addition, the laser mount 04 and the laser connecting mount 03 may also be in the form of a cavity between the laser transmitter 041 and the optical signal receiver 042 and the main body 01.

Meanwhile, at the other end of the main body 01, that is, the end of the optical path channel far away from the laser, a cavity for installing the reflecting mirror 061 can be directly arranged in the main body 01, so that the whole optical path is in the main body 01; certainly, the optical path channel may also directly penetrate through the main body 01, the other end of the main body 01 is additionally connected with a reflector base 06, a cavity is formed in the reflector 061, the mirror surface of the reflector 061 is installed in the cavity facing the optical path channel, and similarly, the reflector base 06 may also be at least provided with a transition channel corresponding to the optical path channel on the main body 01 to meet the propagation of light; it is of course also possible that the mirror mount 06 is in the form of a cavity between the mirror surface 0611 of the mirror 061 and the body 01. The connection between the main body 01 and the mirror base 06 can be realized by means of screw connection, pin connection, etc.

In addition, the reflector holder 06 is further provided with a hole slot on the side away from the main body 01, so that the reflector 061 is installed in the hole slot, a protruding part for limiting the edge of the reflector 061 is formed on the inner wall of the hole slot, and a fixing part can be arranged in the other square, so that the reflector 061 is pushed and limited by the back surface (the reverse surface of the mirror surface) of the reflector 061, and the reflector 061 can be detached. The fixing member may be a bolt to secure the bolt to the hole, and a spacer 062 may be further provided between the bolt and the reflecting mirror 061, and the spacer 062 may be made of a material having a buffering capacity, such as a rubber spacer 062, a fiber ball, or the like.

Of course, in order to fix the sensor, for example, to the exhaust pipe in application, a fixing base 05 may be further disposed outside the main body 01, the base includes a fixing sleeve movably sleeved outside the main body 01, and a pin hole penetrating through the wall thickness of the fixing sleeve is disposed on the fixing sleeve, so that the sensor can be limited by the fixing pin, and thus, a satisfactory detection depth and a satisfactory detection position can be obtained.

The solutions shown in fig. 3-4 differ from the previous solutions shown in fig. 1 and 2 only in that: a vent pipe 013 is further arranged on the main body 01, the vent pipe 013 can be arranged in parallel with the optical path channel as shown in the figure, the vent pipe 013 is arranged along the main body 01, an air inlet of the vent pipe 013 is connected to outside air (passive ventilation is formed during driving) or a high-pressure air source such as an air pump, an air tank and the like, and a gas blowing port is arranged near the mirror surface of the reflector 061 to blow the mirror surface, so that the functions of cooling, cleaning and the like are realized; of course, the vent pipe 013 may be provided with a blowing port for blowing the laser or the optical signal receiver 042. At this time, under the condition that the laser seat and the laser connecting seat are arranged, the air source can be connected with the vent pipe 013 through the transition air pipe 043 arranged on the laser seat.

The difference between the situation illustrated in fig. 5 and the solutions illustrated in fig. 1-4 is that the light path channel is arranged obliquely on the body 01, and the light reflected by the mirror surface 0611 forms a complete detection light path on the sensor, which is also a possibility for achieving the object of the present solution.

It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims

1. The series blocking sensor comprises a main body, transmitting equipment and receiving equipment, wherein a detection air chamber is arranged on the main body and penetrates through the main body in the direction perpendicular to the extending direction of the main body.

2. The serial block sensor according to claim 1, wherein the main body has two optical paths formed thereon in the extending direction thereof, the cavity formed by the detecting air chamber is located on the optical path formed by the two optical paths, and the light of the emitting device enters one of the two optical paths after being incident on the other optical path and reflected by the reflecting surface.

3. The tandem sensor according to claim 1 or 2, wherein the light path channels of the two channel groups are arranged in parallel.

4. The tandem block sensor according to claim 3, wherein the reflection point formed by the exit of the optical path channels to the reflection surface of the reflection device is plane-symmetric, and the formed symmetry plane is a symmetry plane formed by the two sets of optical path channels on the main body and passing through the central axis of the main body.

5. The tandem shift sensor according to claim 4, wherein the reflecting means is a spherical reflector or a corner reflector reflecting as a concave spherical surface.

6. The tandem block sensor according to claim 1 or 2, wherein the extension lines of the central axes of the optical path channels of the two channel groups are arranged in a crossed manner, the intersection point of the two central axes is located on the reflecting surface, and the symmetry axis formed by the extension lines is coincident with the normal line of the intersection point position on the reflecting surface.

7. The tandem sensor according to claim 6, wherein the reflecting means is spherical or planar in reflection.

8. The string stop sensor according to claim 1, wherein the body further comprises a vent tube having an air inlet and an air blowing port for providing an air flow to the reflecting surface and/or the emitting device.

9. A terminal comprising a tandem sensor according to any of claims 1-8 for obtaining an exhaust detection signal.

10. A vehicle comprising the tandem sensor according to any one of claims 1 to 8 provided in an exhaust pipe of the vehicle, and a detection chamber of the tandem sensor is located in the exhaust pipe.