CN223597109U

CN223597109U - Leak detection mechanism for sensor assembly

Info

Publication number: CN223597109U
Application number: CN202520035379.3U
Authority: CN
Inventors: 向儒流; 吴艳辉
Original assignee: Suzhou Yuanqian Electronic Technology Co ltd
Current assignee: Suzhou Yuanqian Electronic Technology Co ltd
Priority date: 2025-01-08
Filing date: 2025-01-08
Publication date: 2025-11-25
Anticipated expiration: 2035-01-08

Abstract

The utility model discloses a leakage detection mechanism for sensor assembly, which comprises a frame, a feeding mechanism and a nitrogen cylinder; the surface of the frame is provided with a working groove, a leak detection mechanism is arranged in the working groove in the interior of the frame, and the sensor body is detected through a leak detection frame, an air cylinder and a clamp of the leak detection mechanism; according to the leakage detection mechanism, the leakage detection mechanism and the feeding mechanism are specially designed, the feeding mechanism can rapidly and accurately place the sensor to be detected at the detection position, the leakage detection mechanism detects by utilizing nitrogen, all the components work cooperatively, the production efficiency is greatly improved, the leakage detection mechanism is suitable for detection requirements of large-scale sensor production, the clamping device and the sensor body can be closely attached under the driving of the air cylinder through the sleeve, the sealing cover, the lifting frame, the bottom plate, the sealing cylinder and other components in the leakage detection mechanism, the nitrogen is prevented from leaking from non-detection parts in the detection process, the accuracy of detection results is guaranteed, and misjudgment caused by poor sealing is effectively avoided.

Description

Leak detection mechanism for sensor assembly

Technical Field

The utility model relates to the technical field of sensors, in particular to a leakage detection mechanism for sensor assembly.

Background

Sensors have wide application in numerous fields such as automotive, industrial automation, aerospace, etc., where tightness is critical to proper operation. The leakage detection mechanism for the sensor assembly is a device which is specially used for detecting whether the sensor has leakage after the assembly is completed, so that good isolation between the inside of the sensor and the external environment is ensured, the measurement accuracy and reliability of the sensor are ensured, and faults or poor performance caused by leakage are prevented.

In the prior art, the sealing device for assembling the sensor in the conventional technology is crude and rough, and is usually only in a simple sealing mode, such as a basic rubber gasket or a simple plugging structure, when facing the appearance and detection environment of a complex sensor, the conventional sealing mode is difficult to be tightly attached to the sensor and the clamp, in the detection process, nitrogen is extremely easy to leak from a non-detection part, so that the detection environment is unstable, detection parameters such as pressure and the like cannot accurately reflect the real sealing state of the sensor, and therefore, the situation of misjudgment caused by poor sealing inevitably frequently occurs, the unqualified product is misjudged as qualified, or otherwise, the handling and control of the product quality are seriously influenced, the overall reliability of the product is reduced, and the after-sales maintenance cost is increased. In view of this, we have proposed a leak detection mechanism for sensor assembly.

Disclosure of utility model

The utility model aims to provide a leak detection mechanism for assembling a sensor, so as to solve the problems in the background art.

In order to achieve the aim, the utility model provides the following technical scheme that the leak detection mechanism for sensor assembly comprises a frame, a feeding mechanism and a nitrogen cylinder;

The surface of the frame is provided with a working groove, the working groove and the frame are integrally formed, a leakage detection mechanism is arranged in the working groove in the interior of the frame, and the sensor body is detected through a leakage detection frame, an air cylinder and a clamp of the leakage detection mechanism;

the feeding mechanism is arranged at the top of the frame and comprises a working frame;

the nitrogen cylinders are arranged on the side edges of the frame, and the number of the nitrogen cylinders is two.

Preferably, the leak detection mechanism comprises a baffle plate connected with the top of the leak detection frame, the leak detection frame is positioned on the inner side of the frame, the air cylinders are connected with the top of the leak detection frame at equal intervals, the baffle plate is positioned between the two groups of air cylinders, the clamp is connected with the bottom of the leak detection frame, the sensor body is connected with the surface of the clamp, and the output end of the air cylinders is connected with the air outlet.

Preferably, the surface outside of gas outlet is equipped with the sleeve, and the sleeve is used for sealedly, telescopic bottom is connected with the sealed cowling, the bottom of sealed cowling is connected with the crane, the bottom of crane is connected with the bottom plate, the bottom of bottom plate is connected with sealed section of thick bamboo, and the setting of sealed section of thick bamboo can avoid nitrogen gas to run out, influences the detection, sealed section of thick bamboo is connected at the top of anchor clamps, and the gas outlet aligns with the sensor body, the output and the gas outlet of nitrogen gas bottle are connected.

Preferably, the feeding mechanism further comprises a side frame on the inner side of the frame, the side frame is connected to the surface of the frame through bolts, the side edge of the side frame is connected with a connecting plate, the connecting plate is connected to the side edge of the side frame through bolts, the number of the connecting plates is two, two groups of the connecting plates are connected with T-shaped plates, the T-shaped plates are connected to the side edge of the connecting plate through bolts, the bottom of the T-shaped plates is connected with a hydraulic cylinder, the hydraulic cylinder is connected to the bottom of the T-shaped plates through bolts, the output end of the hydraulic cylinder is connected with clamping plates, the working frame is connected between the two groups of clamping plates, empty slots are formed in the surface of the working frame at equal intervals, and the empty slots and the working frame are integrally formed.

Preferably, the side of work frame has offered the socket, is integrated into one piece setting between socket and the work frame, and the grip block inserts to the inside of socket, and the grip block is used for fixed work frame.

Preferably, a top plate is arranged at the top of the side frame and is connected to the top of the side frame through bolts.

Compared with the prior art, the utility model has the beneficial effects that:

(1) The automatic detection flow after the sensor is assembled is realized through the specially designed leakage detection mechanism and the feeding mechanism, the feeding mechanism can rapidly and accurately place the sensor to be detected at the detection position, the leakage detection mechanism detects by utilizing nitrogen, and all parts work cooperatively, so that the tightness detection of the sensor can be completed in a short time, the production efficiency is greatly improved, and the detection requirement of large-scale sensor production is met;

(2) The sealing device in the leak detection mechanism is ingenious in design, comprises a sleeve, a sealing cover, a lifting frame, a bottom plate, a sealing cylinder and other parts, and can be tightly attached to the clamp and the sensor body under the driving of the air cylinder, so that nitrogen can not leak from a non-detection part in the detection process, the accuracy of a detection result is ensured, and misjudgment caused by poor sealing is effectively avoided.

Drawings

FIG. 1 is a schematic diagram of the structure of the present utility model;

FIG. 2 is a schematic view of a leak detection mechanism according to the present utility model;

FIG. 3 is a schematic side view of a leak detection mechanism according to the present utility model;

Fig. 4 is a schematic structural view of a feeding mechanism of the present utility model.

The device comprises a frame 1, a working groove 2, a leak detection mechanism 3, a 31, a leak detection frame 32, an air cylinder 33, a baffle plate 34, an air outlet 35, a sleeve 36, a sealing cover 37, a bottom plate 38, a lifting frame 39, a sealing cylinder 310, a sensor body 311, a clamp 4, a nitrogen cylinder 5, a feeding mechanism 51, a side frame 52, a top plate 53, a connecting plate 54, a T-shaped plate 55, a clamping plate 56, a working frame 57, an empty groove 58, a socket 59 and a hydraulic cylinder.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1-4, the utility model provides a leakage detection mechanism for sensor assembly, which comprises a frame 1, wherein a working groove 2 is formed on the surface of the frame 1, a leakage detection mechanism 3 is arranged in the working groove 2 in the frame 1, and a sensor body 310 is detected through a leakage detection frame 31, an air cylinder 32 and a clamp 311 of the leakage detection mechanism 3;

The feeding mechanism 5 is arranged at the top of the frame 1, and the feeding mechanism 5 comprises a working frame 56;

the nitrogen cylinders 4 are arranged on the side edges of the frame 1, and the number of the nitrogen cylinders 4 is two.

The leak hunting mechanism 3 comprises a baffle plate 33 connected with the top of the leak hunting frame 31, the leak hunting frame 31 is positioned on the inner side of the frame 1, the air cylinders 32 are connected with the top of the leak hunting frame 31 at equal intervals, the baffle plate 33 is positioned between the two groups of air cylinders 32, the clamp 311 is connected with the bottom of the leak hunting frame 31, the sensor body 310 is connected with the surface of the clamp 311, and the output end of the air cylinders 32 is connected with an air outlet 34.

The surface outside of gas outlet 34 is equipped with sleeve 35, and sleeve 35 is used for sealedly, the bottom of sleeve 35 is connected with sealed cowling 36, the bottom of sealed cowling 36 is connected with crane 38, the bottom of crane 38 is connected with bottom plate 37, the bottom of bottom plate 37 is connected with sealed section of thick bamboo 39, and the setting of sealed section of thick bamboo 39 can avoid nitrogen gas to run out, influences the detection, sealed section of thick bamboo 39 is connected at the top of anchor clamps 311, and gas outlet 34 aligns with sensor body 310, the output and the gas outlet 34 of nitrogen gas bottle 4 are connected.

The feeding mechanism 5 further comprises a side frame 51 on the inner side of the frame 1, the side frame 51 is connected to the surface of the frame 1 through bolts, the side edge of the side frame 51 is connected with connecting plates 53, the connecting plates 53 are connected to the side edge of the side frame 51 through bolts, the number of the connecting plates 53 is two, the two groups of the connecting plates 53 are connected with T-shaped plates 54, the T-shaped plates 54 are connected to the side edge of the connecting plates 53 through bolts, the bottom of the T-shaped plates 54 is connected with a hydraulic cylinder 59, the hydraulic cylinder 59 is connected to the bottom of the T-shaped plates 54 through bolts, the output end of the hydraulic cylinder 59 is connected with clamping plates 55, a working frame 56 is connected between the two groups of clamping plates 55, empty grooves 57 are formed in the surface of the working frame 56 at equal intervals, and the empty grooves 57 and the working frame 56 are integrally formed.

The side of the working frame 56 is provided with a jack 58, the jack 58 and the working frame 56 are integrally formed, and a clamping plate 55 is inserted into the jack 58, and the clamping plate 55 is used for fixing the working frame 56.

The top of the side frame 51 is provided with a top plate 52, and the top plate 52 is connected to the top of the side frame 51 through bolts.

Specifically, when in use, the empty slot 57 on the working frame 56 is used for placing the sensor body 310 to be detected, when the feeding is needed, the hydraulic cylinder 59 drives the clamping plate 55 to move, and as the clamping plate 55 is inserted into the insertion opening 58 at the side edge of the working frame 56, the two groups of clamping plates 55 are mutually close to or far away from each other under the action of the hydraulic cylinder 59, so that the clamping or loosening of the working frame 56 is realized, when the clamping plate 55 loosens the working frame 56, the working frame 56 with the sensor placed can be moved to a proper position for the next detection operation, and when the working frame 56 is needed to be fixed, the hydraulic cylinder 59 enables the clamping plate 55 to clamp the working frame 56, so that the working frame 56 is ensured to be kept stable in the detection process;

The output end of the nitrogen cylinder 4 is connected with the air outlet 34 of the leak detection mechanism 3, nitrogen enters the detection system through the air outlet 34, and the air cylinders 32 on the leak detection frame 31 are arranged at equal intervals and are used for driving related components to realize sealing and detection actions, and the baffle plate 33 is positioned between the two groups of air cylinders 32 to play a certain roles of isolation and auxiliary support;

The clamp 311 is used for fixing the sensor body 310, ensuring that the position of the sensor is stable in the detection process, the interface is tightly connected with the detection device, the sleeve 35 outside the air outlet 34, the sealing cover 36, the lifting frame 38, the bottom plate 37 and the sealing cylinder 39 which are connected with the bottom of the sleeve 35 form a set of sealing device, before the detection, the sealing cylinder 39 is tightly connected with the top of the clamp 311 under the action of driving components such as the air cylinder 32 and the like, and the air outlet 34 is accurately aligned with the interface of the sensor body 310, so that a sealing space is formed around the sensor, nitrogen leakage is prevented, and preparation is made for subsequent pressure detection;

The nitrogen is output from the nitrogen bottle 4 and enters the inside of the sensor body 310 or the sealing space thereof (depending on the detection requirement of the sensor body 310), at the moment, whether the sensor body 310 has leakage or not is judged by detecting the pressure change in the inside of the sensor body 310 or the sealing space, if the sensor body 310 is well sealed, the pressure should be kept relatively stable within a certain time, if the sensor body 310 has a leakage point, the nitrogen can escape from the leakage point, so that the pressure in the sealing space is reduced, (the pressure change can be monitored in real time through equipment such as a pressure sensor and the like and compared with a preset pressure threshold value, so that the prior art is omitted) so as to determine whether the sensor body 310 is qualified or not;

and the simple leak detection beat seconds are 25S, 5 sets of leak detection mechanisms 3 are needed to meet the requirement, and NG products are put into the NG recovery box.

Although embodiments of the present utility model 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 therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. Sensor assembly is with mechanism of leaking hunting, its characterized in that includes:

The device comprises a frame (1), wherein a working groove (2) is formed in the surface of the frame (1), a leakage detection mechanism (3) is arranged in the working groove (2) in the frame (1), and a sensor body (310) is detected through a leakage detection frame (31), an air cylinder (32) and a clamp (311) of the leakage detection mechanism (3);

The feeding mechanism (5), the feeding mechanism (5) is arranged at the top of the frame (1), and the feeding mechanism (5) comprises a working frame (56);

the nitrogen cylinders (4) are arranged on the side edges of the frame (1), and the number of the nitrogen cylinders (4) is two.

2. The leakage detection mechanism for sensor assembly according to claim 1, wherein the leakage detection mechanism (3) comprises a baffle plate (33) connected with the top of a leakage detection frame (31), the leakage detection frame (31) is located on the inner side of the frame (1), the air cylinders (32) are connected with the top of the leakage detection frame (31) at equal intervals, the baffle plate (33) is located between two groups of the air cylinders (32), the clamp (311) is connected with the bottom of the leakage detection frame (31), the sensor body (310) is connected with the surface of the clamp (311), and the output end of the air cylinders (32) is connected with an air outlet (34).

3. The leak detection mechanism for sensor assembly according to claim 2, wherein a sleeve (35) is arranged on the outer side of the surface of the air outlet (34), a sealing cover (36) is connected to the bottom of the sleeve (35), a lifting frame (38) is connected to the bottom of the sealing cover (36), a bottom plate (37) is connected to the bottom of the lifting frame (38), a sealing cylinder (39) is connected to the bottom of the bottom plate (37), the sealing cylinder (39) is connected to the top of the clamp (311), the air outlet (34) is aligned with the sensor body (310), and the output end of the nitrogen cylinder (4) is connected with the air outlet (34).

4. The leak detection mechanism for sensor assembly according to claim 1, wherein the feeding mechanism (5) further comprises a side frame (51) on the inner side of the frame (1), the side edges of the side frame (51) are connected with connecting plates (53), the number of the connecting plates (53) is two, the side edges of the two groups of connecting plates (53) are connected with T-shaped plates (54), the bottom of the T-shaped plates (54) is connected with a hydraulic cylinder (59), the output end of the hydraulic cylinder (59) is connected with clamping plates (55), a working frame (56) is connected between the two groups of clamping plates (55), and empty slots (57) are formed in the surface of the working frame (56) at equal intervals.

5. The leak detection mechanism for sensor assembly according to claim 1, wherein a socket (58) is provided on a side of the work frame (56), and the holding plate (55) is inserted into the socket (58).

6. The leak detection mechanism for sensor assembly according to claim 4, wherein a top plate (52) is provided on top of the side frame (51).