Convenient testing equipment for oxygen sensor chip

Abstract

The utility model discloses a convenient test device for an oxygen sensor chip, which relates to the technical field of oxygen sensor chips and comprises a turning frame. A plurality of clamping assemblies are embedded in the turning frame, and the turning frame is movably connected with a protruding lug welded to the bottom frame through a rotating shaft. An inner mounting frame is arranged on one side of the turning frame, and a plurality of circular holes facilitating embedding of the electric fire maker are formed in the inner mounting frame; according to the utility model, the clamping assembly is used for clamping the oxygen sensor chip, the oxygen sensor chip is turned over to the position above the electric fire maker along with the rotation of the turning frame on the convex lugs, fuel gas of a fuel gas bottle enters the main pipe through the conveying pipe and is conveyed to the electric fire maker through the plurality of branch pipes, and the electric fire maker ignites the gas to generate flames; the combustion of the oxygen sensor chips is detected, and a plurality of oxygen sensor chips can be detected at one time, so that the use is more convenient.

Description

Technical Field

[0001] The utility model specifically relates to the technical field of oxygen sensor chips, and specifically is a convenient testing device for oxygen sensor chips. Background Technique

[0002] The chip of the oxygen sensor is used in the exhaust system of an automobile engine. During operation, its shield end is in a burning state, and as the core component of the oxygen sensor, the chip is also in a burning state. Therefore, the simulated combustion test of the chip is essential.

[0003] Chinese Utility Model Publication No. CN 201754174 U discloses a testing device for an oxygen sensor chip, which includes a box body with a window, a fixing member for fixing the oxygen sensor chip is arranged in the box body, and further includes a heating device connected to the window of the box body for heating the oxygen sensor chip, a gas treatment device connected to the window of the box body for forming an internal and external oxygen difference for the oxygen sensor chip, and a detector electrically connected to the oxygen sensor chip for testing the electrical performance of the oxygen sensor chip;

[0004] For the above-mentioned testing device for an oxygen sensor chip, the chip can be directly activated and operated in a certain temperature and oxygen difference environment through the gas treatment device and the heating device, and the performance of the oxygen sensor can be tested by directly using the detector to test the performance of the oxygen sensor chip. However, the chip of the oxygen sensor is used in the exhaust system of an automobile engine. During operation, its shield end is in a burning state, so only heating cannot meet the test conditions, thus affecting the accuracy of detection. For this reason, we provide a convenient testing device for oxygen sensor chips. The oxygen sensor chips are clamped by a plurality of clamping components, and are clamped by multimeter needles. As the turning frame turns, the plurality of clamping components drive their respective chips to turn, so that the chips are located above the electric igniter. After ignition, combustion detection can be carried out, and multiple chips can be detected at one time, which is more convenient to use and effectively makes up for the above problems. Content of the Utility Model

[0005] The purpose of the utility model is to provide a convenient testing device for oxygen sensor chips to solve the problems put forward in the background technique.

[0006] To achieve the above purpose, the utility model provides the following technical solution:

[0007] A convenient testing device for oxygen sensor chips includes a turning frame; a plurality of clamping components are embedded in the turning frame, and the turning frame is movably connected to a convex ear welded on the bottom frame through a rotating shaft; an inner mounting frame is arranged on one side of the turning frame, and a plurality of circular holes for conveniently embedding the electric igniter are opened on the inner mounting frame, and the bottom of the electric igniter is connected to a branch pipe in a matching manner, and the other end of the branch pipe is connected to a main pipe in a matching manner; the main pipe is connected to a gas cylinder through a conveying pipe.

[0008] As a further technical solution of the present utility model, the clamping assembly includes an installation cylinder, which is welded to the turning frame; two groups of multimeter needles are arranged inside the installation cylinder, one group is riveted to the inner wall of the installation cylinder through rivets, and the other group is embedded on the push rod; a through hole for the sliding of the push rod is formed on the installation cylinder, and a spring is sleeved outside the push rod, and both ends of the spring are welded to the push rod and the installation cylinder respectively.

[0009] As a further technical solution of the present utility model, the multimeter needles are electrically connected to a multimeter, the multimeter is fixed to the side bracket through bolts, and the side bracket is fixed to the protection frame through bolts.

[0010] As a further technical solution of the present utility model, the rotating shaft of the turning frame is in mating connection with the rotating shaft of the rotating cylinder, and the rotating cylinder is fixed to the bottom frame through bolts.

[0011] As a further technical solution of the present utility model, a heat dissipation fan is arranged on one side of the turning frame, and the heat dissipation fan is fixed to the bottom frame through bolts.

[0012] As a further technical solution of the present utility model, a partition plate is arranged between the gas cylinder and the main pipe, and the partition plate is welded to the inner wall of the protection frame; an electromagnetic valve is arranged on one side of the gas cylinder, and the electromagnetic valve is in mating connection with the delivery pipe.

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

[0014] In the present utility model, the clamping assembly clamps the oxygen sensor chip. As the turning frame rotates on the convex ear, the oxygen sensor chip is flipped above the electric igniter. The gas of the gas cylinder enters the main pipe through the delivery pipe and is delivered to the electric igniter through multiple branch pipes. The electric igniter ignites the gas to generate a flame for combustion detection of the oxygen sensor chip, and multiple oxygen sensor chips can be detected at one time, which is more convenient to use; in the present utility model, by pulling the push rod, the oxygen sensor chip is placed between the two groups of multimeter needles, and then the push rod is released. Under the action of the spring, the oxygen sensor chip can be clamped. The multimeter needles are electrically connected to the multimeter, and during the detection, the multimeter will display the detection information in real time; in the present utility model, the rotating shaft of the rotating cylinder drives the turning frame to rotate, providing power for its flipping. After the detection is completed, the heat dissipation fan blows air to cool down the oxygen sensor chip, which is convenient for the staff to take it off. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 is a three-dimensional structural schematic diagram of the present utility model.

[0016] Figure 2 is in the present utility modelFigure 1 Another perspective schematic diagram.

[0017] Figure 3 In the present utility model Figure 1 Top view.

[0018] Figure 4 In the present utility model Figure 3 Partial enlarged view at position A.

[0019] In the figure: 1 - chassis, 2 - flipping frame, 3 - rotary cylinder, 4 - clamping assembly, 5 - protruding ear, 6 - cooling fan, 7 - protective frame, 8 - inner mounting frame, 9 - electric igniter, 10 - branch pipe, 11 - main pipe, 12 - delivery pipe, 13 - solenoid valve, 14 - gas cylinder, 15 - partition board, 16 - side support, 17 - multimeter, 41 - mounting cylinder, 42 - multimeter needle, 43 - spring, 44 - push rod. Specific embodiments

[0020] Next, the technical solutions in the embodiments of the present utility model will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without making creative efforts belong to the scope of protection of the present utility model.

[0021] Please refer to Figures 1-4 , in the embodiment of the present utility model, a convenient testing device for an oxygen sensor chip includes a flipping frame 2; a plurality of clamping assemblies 4 are embedded on the flipping frame 2, and the flipping frame 2 is movably connected to a protruding ear 5 welded on the chassis 1 through a rotating shaft; an inner mounting frame 8 is arranged on one side of the flipping frame 2, and a plurality of circular holes for embedding the electric igniter 9 are opened on the inner mounting frame 8, and the bottom of the electric igniter 9 is connected to a branch pipe 10 in a matching manner, and the other end of the branch pipe 10 is connected to the main pipe 11 in a matching manner; the main pipe 11 is connected to the gas cylinder 14 through a delivery pipe 12.

[0022] By adopting the above technical solutions, the clamping assembly 4 clamps the oxygen sensor chip. As the flipping frame 2 rotates on the protruding ear 5, the oxygen sensor chip is flipped above the electric igniter 9. The gas from the gas cylinder 14 enters the main pipe 11 through the delivery pipe 12 and is delivered to the electric igniter 9 through a plurality of branch pipes 10. The electric igniter 9 ignites the gas to generate a flame for combustion detection of the oxygen sensor chip, and multiple oxygen sensor chips can be detected at one time, which is more convenient to use.

[0023] In this embodiment, the clamping assembly 4 includes an installation cylinder 41, which is welded to the turning frame 2; two groups of multimeter needles 42 are arranged inside the installation cylinder 41, one group is riveted to the inner wall of the installation cylinder 41 through rivets, and the other group is embedded on the push rod 44; a through hole for the push rod 44 to slide is formed on the installation cylinder 41, and a spring 43 is sleeved outside the push rod 44, and both ends of the spring 43 are welded to the push rod 44 and the installation cylinder 41 respectively.

[0024] Furthermore, the multimeter needle group 42 is electrically connected to the multimeter 17, the multimeter 17 is fixed to the side bracket 16 through bolts, and the side bracket 16 is fixed to the protection frame 7 through bolts.

[0025] By adopting the above technical solution, by pulling the push rod 44, the oxygen sensor chip is placed between the two groups of multimeter needles 42, and the push rod 44 is released. Under the action of the spring 43, the oxygen sensor chip can be clamped. The multimeter needle group 42 is electrically connected to the multimeter 17. During detection, the multimeter 17 will display the detection information in real time.

[0026] In this embodiment, the rotating shaft of the turning frame 2 is cooperatively connected with the rotating shaft of the rotating cylinder 3, and the rotating cylinder 3 is fixed to the bottom frame 1 through bolts.

[0027] Furthermore, a cooling fan 6 is arranged on one side of the turning frame 2, and the cooling fan 6 is fixed to the bottom frame 1 through bolts.

[0028] By adopting the above technical solution, the rotating shaft of the rotating cylinder 3 drives the turning frame 2 to rotate, providing power for its flipping. After the detection is completed, the cooling fan 6 blows air to cool down the oxygen sensor chip, which is convenient for the staff to remove.

[0029] In this embodiment, a partition 15 is arranged between the gas cylinder 14 and the main pipe 11, and the partition 15 is welded to the inner wall of the protection frame 7; an electromagnetic valve 13 is arranged on one side of the gas cylinder 14, and the electromagnetic valve 13 is cooperatively connected to the delivery pipe 12.

[0030] By adopting the above technical solution, the partition 15 blocks the generated temperature, and the electromagnetic valve 13 on the delivery pipe 12 plays an opening and closing role in the release of the gas.

[0031] The working principle of the present utility model is as follows: When in use, the partition 15 blocks the generated temperature, and the solenoid valve 13 on the delivery pipe 12 controls the opening and closing of the gas release; by pulling the push rod 44, the oxygen sensor chip is placed between the two groups of multimeter needles 42, and then the push rod 44 is released. Under the action of the spring 43, the oxygen sensor chip can be clamped. The multimeter needles 42 are electrically connected to the multimeter 17. During the detection, the multimeter 17 will display the detection information in real time; the clamping assembly 4 clamps the oxygen sensor chip. As the flipping frame 2 rotates on the convex ear 5, the oxygen sensor chip is flipped above the electric igniter 9. The gas from the gas cylinder 14 enters the main pipe 11 through the delivery pipe 12 and is transported to the electric igniter 9 through multiple branch pipes 10. The electric igniter 9 ignites the gas to generate a flame for burning and detecting the oxygen sensor chip, enabling multiple oxygen sensor chips to be detected at one time, which is more convenient to use; the rotating shaft of the rotary cylinder 3 drives the flipping frame 2 to rotate, providing power for its flipping. After the detection is completed, the cooling fan 6 blows air to cool down the oxygen sensor chip, facilitating the staff to remove it.

[0032] For those skilled in the art, it is obvious that the present utility model is not limited to the details of the above exemplary embodiments, and without departing from the spirit or basic characteristics of the present utility model, the present utility model can be implemented in other specific forms. Therefore, from any point of view, the embodiments should be regarded as exemplary and non-limiting. The scope of the present utility model is defined by the appended claims rather than the above description. Therefore, all changes falling within the meaning and scope of the equivalent elements of the claims are intended to be included in the present utility model. Any reference signs in the claims should not be regarded as limiting the claimed rights.

[0033] In addition, it should be understood that although this specification is described according to the embodiments, not every embodiment only contains an independent technical solution. This narrative way of the specification is only for clarity. Those skilled in the art should regard the specification as a whole, and the technical solutions in each embodiment can also be appropriately combined to form other embodiments that can be understood by those skilled in the art.

Claims

1. A convenient test device for an oxygen sensor chip, characterized in that: The invention comprises a flip frame (2); a plurality of clamping assemblies (4) are embedded in the flip frame (2), and the flip frame (2) is movably connected to a protruding ear (5) welded on a base frame (1) via a rotating shaft; an inner mounting frame (8) is provided on one side of the flip frame (2), and a plurality of circular holes are provided on the inner mounting frame (8) for facilitating the embedding of an electric igniter (9); the bottom of the electric igniter (9) is cooperatively connected to a branch pipe (10), and the other end of the branch pipe (10) is cooperatively connected to a main pipe (11); the main pipe (11) is cooperatively connected to a gas cylinder (14) via a delivery pipe (12).

2. The convenient testing device for an oxygen sensor chip according to claim 1, characterized in that: The clamping assembly (4) comprises a mounting tube (41) which is welded to the flip frame (2); two groups of multimeter needles (42) are arranged inside the mounting tube (41), one group of which is riveted to the inner wall of the mounting tube (41) by rivets, and the other group is embedded in the push rod (44); the mounting tube (41) is provided with a through hole for facilitating the sliding of the push rod (44), and a spring (43) is sleeved on the outer side of the push rod (44), and the two ends of the spring (43) are respectively welded to the push rod (44) and the mounting tube (41).

3. The convenient testing device for an oxygen sensor chip according to claim 2, characterized in that: The multimeter needle (42) is electrically connected to the multimeter (17), the multimeter (17) is fixed to the side bracket (16) by bolts, and the side bracket (16) is fixed to the protection frame (7) by bolts.

4. The convenient testing device for an oxygen sensor chip according to claim 1, characterized in that: The rotating shaft of the flip frame (2) is cooperatively connected with the rotating shaft of the rotating cylinder (3), and the rotating cylinder (3) is fixed to the base frame (1) by bolts.

5. The convenient testing device for an oxygen sensor chip according to claim 1, characterized in that: A cooling fan (6) is provided on one side of the flip frame (2), and the cooling fan (6) is fixed to the base frame (1) by means of bolts.

6. The convenient testing device for an oxygen sensor chip according to claim 1, characterized in that: A partition (15) is provided between the gas cylinder (14) and the main pipe (11), and the partition (15) is welded to the inner wall of the protection frame (7); a solenoid valve (13) is provided on one side of the gas cylinder (14), and the solenoid valve (13) is connected to the delivery pipe (12).

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