CN216207572U - Nitrogen oxygen sensor guard shield - Google Patents
Nitrogen oxygen sensor guard shield Download PDFInfo
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- CN216207572U CN216207572U CN202122105141.8U CN202122105141U CN216207572U CN 216207572 U CN216207572 U CN 216207572U CN 202122105141 U CN202122105141 U CN 202122105141U CN 216207572 U CN216207572 U CN 216207572U
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- box body
- sensor
- spring
- fixing plate
- fixing
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Abstract
The utility model discloses a nitrogen oxygen sensor shield, which belongs to the technical field of sensor protection, and comprises a box body and a mesh enclosure, and further comprises: the first fixing plate is fixedly connected in the box body and used for fixing the sensor body; the first spring is connected between the first fixing plate and the bottom of the box body; the side wall of the box body is provided with air holes; the inner wall of the box body is provided with a spray head, and the spray head is connected with a hollow pipe; wherein, the mesh enclosure is sleeved on the top of the box body; the screen panel top inner wall is equipped with the second spring, the one end that the screen panel was kept away from to the second spring is equipped with the clamp plate, the clamp plate pastes with the sensor body mutually, this nitrogen oxygen sensor guard shield, in the course of the work, through the reaction force of second spring and first spring, realize shock-absorbing function, but through shower nozzle rapid cooling, avoid because jolt and high temperature scheduling problem, lead to experimental data to lose.
Description
Technical Field
The utility model relates to the technical field of sensor protection, in particular to a nitrogen-oxygen sensor shield.
Background
At present, nitrogen oxygen sensors are mostly used for detecting automobile exhaust gas and mainly installed in an exhaust pipe of an automobile for testing, but the nitrogen oxygen sensors are easy to bump, have overhigh temperature and other problems in the working process, and increase the risk of losing test data; therefore, it is necessary to protect the nitrogen oxide sensor to improve the stability of operation.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the problems that bumping, overhigh temperature and the like are easy to occur in the prior art, and provides a nitrogen-oxygen sensor shield.
In order to achieve the purpose, the utility model adopts the following technical scheme:
the utility model provides a nitrogen oxygen sensor guard shield, includes box and screen panel, still includes: the first fixing plate is fixedly connected in the box body and used for fixing the sensor body; the first spring is connected between the first fixing plate and the bottom of the box body; the side wall of the box body is provided with air holes; the inner wall of the box body is provided with a spray head, and the spray head is connected with a hollow pipe; wherein, the mesh enclosure is sleeved on the top of the box body; the inner wall of the top of the mesh enclosure is provided with a second spring, one end, far away from the mesh enclosure, of the second spring is provided with a pressing plate, and the pressing plate is attached to the sensor body.
In order to improve the heat dissipation effect, preferably, the bottom of the first fixing plate is provided with a heat dissipation plate, and the side wall of the box body is provided with a hollow groove.
In order to facilitate the work of the sensor body, preferably, the sensor body is connected with a connecting wire, and the connecting wire is positioned in the hollow groove.
In order to fix the mesh enclosure, a second fixing plate is preferably connected between the mesh enclosure and the top of the box body.
For the firm fixed sensor body, preferably, first fixed plate top is equipped with fixed recess, and the sensor body card is in fixed recess, and the sensor body passes through fixing bolt to be fixed in fixed recess.
In order to improve the heat dissipation effect, preferably, the inner wall of the box body is fixedly connected with a stop block, the stop block is located above the spray head, and the first fixing plate is connected to the stop block through bolts.
In order to facilitate installation and fixation, the bottom of the box body is preferably provided with an installation block.
Compared with the prior art, the utility model provides a nitrogen-oxygen sensor shield, which has the following beneficial effects:
this nitrogen oxygen sensor guard shield, in the working process, through the reaction force of second spring and first spring, realize shock-absorbing function, but through shower nozzle rapid cooling, avoid because jolt and high temperature scheduling problem, lead to test data to lose.
Drawings
FIG. 1 is a first schematic structural diagram of a NOx sensor shield according to the present invention;
FIG. 2 is a second schematic structural view of a nitrogen-oxygen sensor shield according to the present invention;
FIG. 3 is a front view of a NOx sensor shield according to the present invention.
In the figure: 1. a box body; 101. mounting blocks; 2. a first fixing plate; 201. a sensor body; 202. a connecting wire; 3. fixing the groove; 301. fixing the bolt; 4. a heat dissipation plate; 401. a first spring; 5. air holes are formed; 6. a stopper; 601. a spray head; 602. a hollow tube; 603. a hollow groove; 7. a mesh enclosure; 701. a second fixing plate; 8. pressing a plate; 801. a second spring.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.
Example 1:
referring to fig. 1-3, a nitrogen oxygen sensor guard shield, includes box 1 and screen panel 7, still includes: the first fixing plate 2 is fixedly connected in the box body 1, and the first fixing plate 2 is used for fixing the sensor body 201; a first spring 401 connected between the first fixing plate 2 and the bottom of the case 1; the side wall of the box body 1 is provided with an air hole 5; the inner wall of the box body 1 is provided with a spray head 601, and the spray head 601 is connected with a hollow pipe 602; wherein, the mesh enclosure 7 is sleeved on the top of the box body 1; the inner wall of the top of the mesh enclosure 7 is provided with a second spring 801, one end of the second spring 801, which is far away from the mesh enclosure 7, is provided with a pressing plate 8, and the pressing plate 8 is attached to the sensor body 201.
During operation, the box 1 is fixed on the device and detected by the sensor body 201.
When vibration occurs, the damping function is realized by the reaction force of the second spring 801 and the first spring 401, and meanwhile, the second spring 801 can further improve the fixing effect of the sensor body 201 through the pressing plate 8.
Example 2:
referring to fig. 1-3, on the basis of example 1, further,
the bottom of the first fixing plate 2 is provided with a heat dissipation plate 4, and the side wall of the box body 1 is provided with a hollow groove 603.
In gaseous 5 entering box 1 through the bleeder vent, first fixed plate 2 and heating panel 4 all are made for the heat conduction material, through first fixed plate 2 and heating panel 4, improve sensor body 201's heat radiating area, through the gas that flows, take away the heat.
When the temperature rises, the heat is transferred to the heat radiating plate 4, and the heat is radiated by the air current entering through the ventilation holes 5.
The cooling liquid is sprayed out from the spray head 601 through the hollow pipe 602, and the heat dissipation effect is further improved.
The other end of the hollow pipe 602 is connected with a water tank, and cooling liquid in the water tank is sprayed out through the spray head 601 through a water pump.
The spray head 601 sprays in the form of a spray.
Example 3:
referring to fig. 1-3, on the basis of example 2, further,
the sensor body 201 is connected with a connecting wire 202, and the connecting wire 202 is positioned in the hollow groove 603.
The connecting wire 202 is externally connected with a sensing probe, and gas is detected by the sensing probe.
The connection line 202 is not interfered by the hollow groove 603 at the time of vibration.
The net cover 7 and the top of the box body 1 are both connected with a second fixing plate 701.
Through two second fixed plates 701, can be fast with screen panel 7 fixed connection at box 1 top, protect sensor body 201 through screen panel 7.
The surface of the mesh enclosure 7 is provided with a through hole, and the air enters the box body 1 through the mesh enclosure 7, so that the heat dissipation effect of the sensor body 201 is improved.
Example 4:
referring to fig. 1-3, on the basis of example 3, further,
the top of the first fixing plate 2 is provided with a fixing groove 3, the sensor body 201 is clamped in the fixing groove 3, and the sensor body 201 is fixed in the fixing groove 3 through a fixing bolt 301.
Through fixed recess 3, with sensor body 201 card inside, can be better fixed with sensor body 201.
Example 5:
referring to fig. 1-3, on the basis of example 4, further,
the inner wall of the box body 1 is fixedly connected with a stop block 6, the stop block 6 is positioned above the spray head 601, and the first fixing plate 2 is connected on the stop block 6 through bolts.
By means of the stop 6, the first fixing plate 2 can be mounted more quickly.
Although the first fixing plate 2 is fixed to the stopper 6, the center of the first fixing plate 2 may vibrate at a high frequency with a small amplitude during vibration, and the first spring 401 is provided at the bottom of the first fixing plate 2, so that the vibration at the center of the first fixing plate 2 can be quickly reduced to disappear by the reaction force of the first spring 401.
Meanwhile, if the bolt for fixing the first fixing plate 2 is loosened during long-term use, the first fixing plate 2 may be maintained relatively firm by the reaction force of the first spring 401.
The bottom of the box body 1 is provided with a mounting block 101.
The above description is only for convenience of the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the scope of the present invention, and the technical solutions and the utility model concepts of the present invention are equivalent to or changed within the scope of the present invention.
Claims (7)
1. The utility model provides a nitrogen oxygen sensor guard shield, includes box (1) and screen panel (7), its characterized in that still includes:
the sensor comprises a first fixing plate (2) fixedly connected in a box body (1), wherein the first fixing plate (2) is used for fixing a sensor body (201);
a first spring (401) connected between the first fixing plate (2) and the bottom of the box body (1);
the side wall of the box body (1) is provided with an air hole (5);
a spray head (601) is arranged on the inner wall of the box body (1), and a hollow pipe (602) is connected to the spray head (601);
wherein the content of the first and second substances,
the mesh enclosure (7) is sleeved on the top of the box body (1);
the inner wall of the top of the mesh enclosure (7) is provided with a second spring (801), one end, away from the mesh enclosure (7), of the second spring (801) is provided with a pressing plate (8), and the pressing plate (8) is attached to the sensor body (201).
2. A nox sensor hood according to claim 1, characterized in that the bottom of the first fixing plate (2) is provided with a heat sink (4), and the side wall of the box body (1) is provided with a hollow groove (603).
3. A nitrogen oxygen sensor shield according to claim 2, wherein the sensor body (201) is connected with a connecting wire (202), and the connecting wire (202) is located in the hollow groove (603).
4. The NOx sensor shield according to claim 1, wherein a second fixing plate (701) is connected to the mesh cover (7) and the top of the case (1).
5. The nitrogen-oxygen sensor shield as claimed in claim 1, wherein a fixing groove (3) is formed in the top of the first fixing plate (2), the sensor body (201) is clamped in the fixing groove (3), and the sensor body (201) is fixed in the fixing groove (3) through a fixing bolt (301).
6. The NOx sensor shield according to claim 1, wherein a stopper (6) is fixedly connected to the inner wall of the box body (1), the stopper (6) is located above the spray head (601), and the first fixing plate (2) is bolted to the stopper (6).
7. A nitrogen oxygen sensor shield according to claim 1, wherein the bottom of the box (1) is provided with a mounting block (101).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122105141.8U CN216207572U (en) | 2021-09-02 | 2021-09-02 | Nitrogen oxygen sensor guard shield |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122105141.8U CN216207572U (en) | 2021-09-02 | 2021-09-02 | Nitrogen oxygen sensor guard shield |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216207572U true CN216207572U (en) | 2022-04-05 |
Family
ID=80916808
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122105141.8U Active CN216207572U (en) | 2021-09-02 | 2021-09-02 | Nitrogen oxygen sensor guard shield |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216207572U (en) |
-
2021
- 2021-09-02 CN CN202122105141.8U patent/CN216207572U/en active Active
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