EGR valve temperature sensor

Abstract

The present invention discloses an EGR valve temperature sensor, comprising an EGR valve body, condensing boxes are fixedly installed on both sides of the outer surface of the EGR valve body, a condenser is fixedly installed on the top of the inner cavity of the condensing box, a fan box is fixedly installed on the right end of the inner cavity of the condensing box, first fixing brackets are fixedly installed on the top and bottom of the inner cavity of the fan box, and a first motor is fixedly installed on one end of the first fixing bracket close to each other. The present invention achieves the effect of refrigerating the air discharged from the first air intake pipe through the arrangement of the condenser, and achieves the effect of discharging the refrigerated air into the diffuser plate through the second exhaust pipe through the arrangement of the first fixing bracket and the first motor. Through the arrangement of the diffuser plate, the temperature sensor body can be physically cooled, and through the arrangement of the second motor and the threaded rod, the threaded sleeve can be moved left and right through the slide groove and the slider.

Description

Technical Field

[0001] This invention relates to the field of EGR valve technology, specifically to an EGR valve temperature sensor. Background Technology

[0002] The EGR valve is an electromechanical product installed on a diesel engine to control the amount of exhaust gas recirculated back to the intake system. It is usually located on the right side of the intake manifold, near the throttle body, and is connected to a short metal pipe leading to the exhaust manifold. Its function is to control the amount of exhaust gas entering the intake manifold, allowing a certain amount of exhaust gas to flow into the intake manifold for recirculation. The EGR valve is a very important and critical component in the exhaust gas recirculation device. However, the internal temperature and exhaust gas of existing EGR valves may cause damage to some parts of the temperature sensor, greatly reducing the working efficiency of the temperature sensor and failing to meet people's needs. Summary of the Invention

[0003] The purpose of this invention is to provide an EGR valve temperature sensor with the advantages of good heat dissipation and good sealing, which solves the problem that the internal temperature and exhaust gas of the existing EGR valve may cause damage to some parts of the temperature sensor, greatly reducing the working efficiency of the temperature sensor.

[0004] To achieve the above objectives, the present invention provides the following technical solution: an EGR valve temperature sensor, comprising an EGR valve body, wherein condenser boxes are fixedly installed on both sides of the outer surface of the EGR valve body, a condenser is fixedly installed on the top of the inner cavity of the condenser box, a fan box is fixedly installed on the right end of the inner cavity of the condenser box, first fixed brackets are fixedly installed on the top and bottom of the inner cavity of the fan box, a first motor is fixedly installed at one end of the first fixed brackets that are close to each other, fan blades are fixedly installed on both sides of the output end of the first motor, a second exhaust pipe is fixedly installed on the right end of the fan box, and the outlet of the second exhaust pipe, located in the inner cavity of the EGR valve body, communicates with a diffuser plate. A clamping box is fixedly installed on the back. A second motor is fixedly installed on both sides of the inner cavity of the clamping box. A threaded rod is fixedly installed on the output end of the second motor. A threaded sleeve is threaded on the front surface of the threaded rod. A support rod is fixedly installed on the top of the threaded sleeve. A temperature sensor body is fixedly installed on the right end of the support rod. A rubber sleeve is fixedly installed on the close-to-each end of the temperature sensor body. A dust suction plate is fixedly installed on both sides of the inner cavity of the temperature sensor body. A fixing box is fixedly installed on both sides of the bottom of the inner cavity of the temperature sensor body. The top of the support rod is snapped into the inner cavity of the fixing box. A fixing rod is inserted into the inner cavity of the fixing box. The front surface of the fixing rod is inserted into the inner cavity of the support rod.

[0005] Preferably, a first air intake pipe is fixedly installed on the top of the EGR valve body, and a base is fixedly installed on the bottom of the EGR valve body via a bracket.

[0006] Preferably, mounting rods are fixedly installed on both sides of the bottom of the base, and mounting holes are formed on the front surface of the mounting rods.

[0007] Preferably, a first exhaust pipe is fixedly installed at the right end of the base, and the inlet of the first exhaust pipe is connected to the bottom of the inner cavity of the EGR valve body.

[0008] Preferably, a transparent window is fixedly installed on the front surface of the condenser box, and a second air inlet pipe is fixedly installed at one of the far ends of the top of the EGR valve body.

[0009] Preferably, a first filter screen is fixedly installed at the right end of the fan box cavity, and a second filter screen is fixedly installed at the right end of the fan box cavity.

[0010] Preferably, a second fixing bracket is fixedly installed on both sides of the diffuser plate at one end away from each other, and the ends of the second fixing brackets at one end away from each other are fixedly installed on both sides of the inner cavity of the EGR valve body.

[0011] Preferably, the clamping box has sliding grooves on both sides of its bottom, and a slider is slidably installed in the inner cavity of the sliding groove. The top of the slider is fixedly installed in the bottom of the threaded sleeve.

[0012] Preferably, a bearing is movably mounted at one end of the threaded rod that is close to the other end, and the bottom of the bearing is fixedly mounted at the bottom of the clamping box cavity.

[0013] Compared with the prior art, the beneficial effects of the present invention are as follows:

[0014] 1. This invention achieves the effect of cooling the air discharged through the first intake pipe by setting up a condenser. It achieves the effect of discharging the cooled air into the diffuser plate through the second exhaust pipe by setting up a first fixed bracket and a first motor. It achieves the effect of physically dissipating heat from the temperature sensor body by setting up a diffuser plate. It achieves the effect of moving the threaded sleeve left and right by sliding groove and slider by setting up a support rod, a fixed box and a fixed rod by setting up a support rod to achieve the effect of locking and fixing the support rod. It achieves the effect of dust collection by setting up a dust collection plate to achieve the effect of dust collection inside the temperature sensor body.

[0015] 2. The present invention facilitates user observation of the working conditions inside the condenser box through the transparent window, and facilitates user installation of the device through the mounting rod and mounting holes. The first and second filters achieve the effect of filtering impurities in the refrigerated air multiple times, and the bearings provide support for the threaded rod. Attached Figure Description

[0016] Figure 1 This is a schematic diagram of the structure of the present invention;

[0017] Figure 2 This is a cross-sectional view of the condenser box structure of the present invention;

[0018] Figure 3 This is a cross-sectional view of the EGR valve body structure of the present invention;

[0019] Figure 4 This is a cross-sectional view of the temperature sensor body structure of the present invention;

[0020] Figure 5 For the present invention Figure 4 A magnified view of a portion of point A in the middle.

[0021] In the diagram: 1. EGR valve body; 2. Base; 3. Mounting rod; 4. Mounting hole; 5. First exhaust pipe; 6. First intake pipe; 7. Second intake pipe; 8. Condenser box; 9. Transparent window; 10. Condenser; 11. Fan blade; 12. First motor; 13. First fixed bracket; 14. First filter screen; 15. Second filter screen; 16. Second exhaust pipe; 17. Fan box; 18. Dispersion plate; 19. Second fixed bracket; 20. Temperature sensor body; 21. Clamping box; 22. Rubber sleeve; 23. Dust suction plate; 24. Slide groove; 25. Slider; 26. Bearing; 27. Threaded rod; 28. Threaded sleeve; 29. ​​Second motor; 30. Support rod; 31. Fixed box; 32. Fixed rod. Detailed Implementation

[0022] The technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of the present invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of the present invention.

[0023] In the description of this application, it should be understood that the terms "center," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," and "outer," etc., indicating the orientation or positional relationship shown in the accompanying drawings, are used only for the convenience of describing this patent and simplifying the description, and do not indicate or imply that the device or component referred to must have a specific orientation, or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation on this patent. In the description of this application, it should be noted that, unless otherwise expressly specified and limited, the terms "installation," "connection," "linking," and "setting" should be interpreted broadly. For example, they can refer to a fixed connection or setting, a detachable connection or setting, or an integral connection or setting. Those skilled in the art can understand the specific meaning of the above terms in this patent according to the specific circumstances.

[0024] Please see Figure 1-5The EGR valve temperature sensor includes an EGR valve body 1. A first intake pipe 6 is fixedly installed on the top of the EGR valve body 1. A base 2 is fixedly installed on the bottom of the EGR valve body 1 via a bracket. Mounting rods 3 are fixedly installed on both sides of the bottom of the base 2. Mounting holes 4 are opened on the front surface of the mounting rods 3. The mounting rods 3 and mounting holes 4 facilitate user installation of the device. A first exhaust pipe 5 is fixedly installed on the right end of the base 2. The inlet of the first exhaust pipe 5 is connected to the bottom of the inner cavity of the EGR valve body 1. Condensation chambers 8 are fixedly installed on both sides of the outer surface of the EGR valve body 1. A transparent window 9 is fixedly installed on the front surface of the condensation chamber 8. The transparent window 9 facilitates user observation of the working conditions inside the condensation chamber 8. A second air inlet pipe 7 is fixedly installed at one of the far ends of the valve body 1. A condenser 10 is fixedly installed at the top of the condenser box 8. A fan box 17 is fixedly installed at the right end of the condenser box 8. A first filter screen 14 and a second filter screen 15 are fixedly installed at the right end of the fan box 17. The arrangement of the first filter screen 14 and the second filter screen 15 achieves the effect of multiple filtrations of impurities contained in the cooled air. A first fixed bracket 13 is fixedly installed at the top and bottom of the fan box 17. A first motor 12 is fixedly installed at one end of the first fixed bracket 13 that is close to each other. Fan blades 11 are fixedly installed on both sides of the output end of the first motor 12. A fan box 17 is fixedly installed at the right end. The second exhaust pipe 16 has an outlet located within the inner cavity of the EGR valve body 1, connected to a diffuser plate 18. Two fixed supports 19 are fixedly installed on both sides of the diffuser plate 18 at opposite ends. The opposite ends of the two fixed supports 19 are fixedly installed on both sides of the inner cavity of the EGR valve body 1. A clamping box 21 is fixedly installed on the back of the inner cavity of the EGR valve body 1. Slide grooves 24 are formed on both sides of the bottom of the clamping box 21. A slider 25 is slidably installed within the inner cavity of the slide grooves 24. The top of the slider 25 is fixedly installed on the bottom of the threaded sleeve 28. A second motor 29 is fixedly installed on both sides of the inner cavity of the clamping box 21. A threaded rod 27 is fixedly installed at the output end of the second motor 29. A bearing 26 is movably installed at the adjacent ends of the threaded rod 27. The bearing 26 provides support for the threaded rod 27. The bottom of the bearing 26 is fixedly installed at the bottom of the clamping box 21. A threaded sleeve 28 is threaded onto the front surface of the threaded rod 27. A support rod 30 is fixedly installed on the top of the threaded sleeve 28. A temperature sensor body 20 is fixedly installed on the right end of the support rod 30. A rubber sleeve 22 is fixedly installed at one end of the temperature sensor body 20 that is close to the other. Dust-collecting plates 23 are fixedly installed on both sides of the temperature sensor body 20. Fixing boxes 31 are fixedly installed on both sides of the bottom of the inner cavity of the temperature sensor body 20. The top of the support rod 30 is snapped into the inner cavity of the fixing box 31. A fixing rod 32 is inserted into the inner cavity of the fixing box 31, with its front surface inserted into the inner cavity of the support rod 30.The condenser 10 achieves the effect of cooling the air discharged from the second intake pipe 7. The first fixed bracket 13 and the first motor 12 ensure that the cooled air is discharged into the diffuser plate 18 through the second exhaust pipe 16. The diffuser plate 18 provides physical heat dissipation for the temperature sensor body 20. The second motor 29 and the threaded rod 27 allow the threaded sleeve 28 to move left and right via the slide groove 24 and the slider 25. The support rod 30, the fixed box 31, and the fixed rod 32 secure the support rod 30. The dust extraction plate 23 effectively removes dust from the interior of the temperature sensor body 20.

[0025] All components in this invention are general standard parts or components known to those skilled in the art. Their structures and principles can be learned by those skilled in the art through technical manuals or conventional experimental methods. At the same time, the standard parts used in this application can be purchased from the market. Each component in this application can be customized according to the description and drawings. The specific connection methods of each part adopt conventional methods such as bolts, rivets, and welding that are mature in the prior art. The machinery, parts and equipment adopt conventional models in the prior art. The control method is automatic control through a controller. The control circuit of the controller can be implemented by those skilled in the art through simple programming, which is common knowledge in the field. Since this application is mainly used to protect mechanical devices, the control method and circuit connection will not be explained in detail here.

[0026] In use, starting the condenser 10 cools the air drawn in through the second intake pipe 7. Simultaneously, starting the first motor 12 rotates the fan blades 11, which in turn draw the cooled air into the fan housing 17. The cooled air is filtered multiple times through the first filter 14 and the second filter 15, and then discharged into the diffuser plate 18 through the second exhaust pipe 16. The diffuser plate 18 provides physical cooling to the temperature sensor body 20. Simultaneously, starting the second motor 29 rotates the threaded rod 27, which in turn moves the threaded sleeve 28 left and right through the slide groove 24 and the slider 25. This movement of the threaded sleeve 28 moves the support rod 30 left and right, which is then fixed in place by the fixing rod 32. The movement of the support rod 30 also seals the temperature sensor body 20, further aided by the rubber sleeve 22 for multiple sealing operations. The dust extraction plate 23 absorbs and treats the exhaust gas and dust inside the temperature sensor body 20.

[0027] Although embodiments of the invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. An EGR valve temperature sensor, comprising an EGR valve body (1), characterized in that: A condenser box (8) is fixedly mounted on both sides of the outer surface of the EGR valve body (1), a condenser (10) is fixedly mounted on the top of the inner cavity of the condenser box (8), a fan box (17) is fixedly mounted on the right end of the inner cavity of the condenser box (8), a first fixed bracket (13) is fixedly mounted on the top and bottom of the inner cavity of the fan box (17), a first motor (12) is fixedly mounted on one end of the first fixed bracket (13) close to each other, fan blades (11) are fixedly mounted on both sides of the output end of the first motor (12), and the right end of the fan box (17) is fixedly mounted on the top and bottom of the inner cavity of the fan box (17). A second exhaust pipe (16) is fixedly mounted on the end thereof, an output port of the second exhaust pipe (16) and located in the inner cavity of the EGR valve body (1) is connected to a diffuser plate (18), a clamping box (21) is fixedly mounted on the back of the inner cavity of the EGR valve body (1), a second motor (29) is fixedly mounted on both sides of the inner cavity of the clamping box (21), a threaded rod (27) is fixedly mounted on the output end of the second motor (29), a threaded sleeve (28) is threadedly mounted on the front surface of the threaded rod (27), and a support rod (3) is fixedly mounted on the top of the threaded sleeve (28). 0), a temperature sensor body (20) is fixedly mounted on the right end of the support rod (30), a rubber sleeve (22) is fixedly mounted on one end of the temperature sensor body (20) close to each other, dust collecting plates (23) are fixedly mounted on both sides of the temperature sensor body (20), a fixing box (31) is fixedly mounted on both sides of the bottom of the inner cavity of the temperature sensor body (20), the top of the support rod (30) is clamped in the inner cavity of the fixing box (31), the inner cavity of the fixing box (31) is plugged with a fixing rod (32), and the positive end of the fixing rod (32) is fixedly mounted on the inner cavity of the fixing box (31). The surface is inserted into the inner cavity of the support rod (30), the top of the EGR valve body (1) is fixedly mounted with a first intake pipe (6), the bottom of the EGR valve body (1) is fixedly mounted with a base (2) via a bracket, the front surface of the condensation box (8) is fixedly mounted with a transparent window (9), the top of the EGR valve body (1) is fixedly mounted with a second intake pipe (7) at one end away from the top, the right end of the inner cavity of the fan box (17) is fixedly mounted with a first filter screen (14), and the right end of the inner cavity of the fan box (17) is fixedly mounted with a second filter screen (15).

2. The EGR valve temperature sensor according to claim 1, characterized in that: Mounting rods (3) are fixedly mounted on both sides of the bottom of the base (2), and mounting holes (4) are provided on the front surfaces of the mounting rods (3).

3. The EGR valve temperature sensor according to claim 1, characterized in that: A first exhaust pipe (5) is fixedly mounted on the right end of the base (2), and an input port of the first exhaust pipe (5) is connected to the bottom of the inner cavity of the EGR valve body (1).

4. The EGR valve temperature sensor according to claim 1, characterized in that: Second fixing brackets (19) are fixedly mounted on both sides of one end of the diffuser plate (18) that are away from each other, and the ends of the second fixing brackets (19) that are away from each other are fixedly mounted on both sides of the inner cavity of the EGR valve body (1).

5. The EGR valve temperature sensor according to claim 1, characterized in that: Slide grooves (24) are provided on both sides of the bottom of the clamping box (21), a sliding block (25) is slidably mounted in the inner cavity of the sliding groove (24), and the top of the sliding block (25) is fixedly mounted on the bottom of the threaded sleeve (28).

6. The EGR valve temperature sensor according to claim 1, characterized in that: A bearing (26) is movably mounted on one end of the threaded rods (27) that is close to each other, and the bottom of the bearing (26) is fixedly mounted on the bottom of the inner cavity of the clamping box (21).

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