Manual air pressure sensor leak detection tool

Abstract

The utility model relates to a manual air pressure sensor leak detection tool comprising a base plate, the base plate is provided with a sensor positioning seat, two sides of the sensor positioning seat are respectively provided with a probe seat and a manual air supply mechanism, and the probe seat is provided with a plurality of probes; the manual air supply mechanism comprises a manual switching device, the fixed end of the manual switching device is installed on the bottom plate, a plug is installed at the movable end of the manual switching device, a test air channel is arranged in the plug, one end of the test air channel is communicated with a test air source, and a positioning groove is formed in the sensor positioning seat. According to the utility model, although manual operation is adopted, the manual switching device is added, so that the operation is simpler and more convenient, the repeated positioning precision is high, and the detection safety and precision of the air pressure sensor are ensured.

Description

Technical Field

[0001] The utility model belongs to the technical field of sensor manufacturing and relates to a manual air pressure sensor leak detection tool. Background Art

[0002] The air pressure sensor is an instrument used to measure the absolute pressure of gas. It is mainly suitable for physical experiments related to gas pressure, such as gas laws, etc. It can also measure the pressure of dry, non-corrosive gases in biological and chemical experiments.

[0003] Accuracy is an important indicator of air pressure sensors, so during the production process of air pressure sensors, the accuracy of air pressure sensors needs to be tested. The existing test clamping is cumbersome, the work efficiency is low, and the detection effect is unstable. Summary of the invention

[0004] The purpose of the utility model is to provide a manual air pressure sensor leak detection tool, which can solve the above-mentioned problems and ensure the detection safety and accuracy of the air pressure sensor.

[0005] According to the technical solution provided by the utility model: a manual air pressure sensor leak detection tool includes a base plate, a sensor positioning seat is provided on the base plate, probe seats and a manual air supply mechanism are respectively provided on both sides of the sensor positioning seat, and several probes are installed on the probe seats; the manual air supply mechanism includes a manual switching device, the fixed end of the manual switching device is installed on the base plate, and a plug is installed on the movable end of the manual switching device, a test air duct is provided in the plug, and one end of the test air duct is connected to a test air source.

[0006] As a further improvement of the utility model, a positioning groove is provided on the sensor positioning seat.

[0007] As a further improvement of the present invention, the specific model of the probe is PA100-A3.

[0008] As a further improvement of the utility model, the manual switching device includes a base, a horizontal sliding push rod on the left side of the base, a lower end of a handle hinged to the right side of the base, one end of a connecting plate hinged to the middle of the handle, and the other end of the connecting plate hinged to the inner end of the push rod.

[0009] As a further improvement of the utility model, the base is installed on the bottom plate; a horizontal sliding hole is provided on the left side of the base.

[0010] As a further improvement of the utility model, the test air duct includes a connected air inlet duct and an air outlet duct, the air inlet duct is perpendicular to the air outlet duct, the air inlet of the air inlet duct is located on the side of the plug, and a transition joint is installed at the air inlet of the air inlet duct; the air outlet of the air outlet duct is located on the front end face of the plug.

[0011] As a further improvement of the utility model, a transfer gas station is provided on the base plate, and the transfer gas station includes a ventilation block, on which an air inlet joint and an air outlet joint are installed. The air inlet joint is connected to a test air source, and the air outlet joint is connected to a transition joint through an air pipe.

[0012] As a further improvement of the utility model, a baffle is sleeved on the plug.

[0013] As a further improvement of the utility model, the rear end of the plug is an external thread structure, and the push rod is provided with a matching internal thread, and the two are connected through the thread structure.

[0014] The positive effects of this application are:

[0015] Although the utility model is manually operated, the addition of the manual switching device makes the operation easier and the repeated positioning accuracy is high, thus ensuring the detection safety and accuracy of the air pressure sensor. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a front view of the utility model.

[0017] Figure 2 It is a top view of the utility model.

[0018] Figure 3 It is a cross-sectional view of the plug of the utility model.

[0019] Figure 1-Figure 3 It includes a base plate 1, a sensor positioning seat 2, a probe seat 3, a plug 4, an air inlet 4-11, an air outlet 4-12, a baffle 6, a manual switching device 14, a base 14-1, a push rod 14-2, a handle 14-3, a connecting piece 14-4, a probe 15, a crushed air pressure sensor 23, a ventilation block 24, an air inlet joint 25, an air outlet joint 26, a transition joint 27, etc. DETAILED DESCRIPTION

[0020] It should be noted that, in the absence of conflict, the embodiments and features in the embodiments of the present invention can be combined with each other. The present invention will be described in detail below with reference to the accompanying drawings and in combination with the embodiments.

[0021] In order to enable those skilled in the art to better understand the solution of the utility model, the following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work should fall within the scope of protection of the utility model.

[0022] It should be noted that the terms "first", "second", etc. in the specification and claims of the utility model and the above-mentioned drawings are used to distinguish similar objects, and are not necessarily used to describe a specific order or sequence. It should be understood that the data used in this way can be interchanged where appropriate, so as to describe the embodiments of the utility model described herein. In addition, similar terms such as "including" and "having" mean that in addition to those contents already listed in "including" and "having", other contents that have not been listed can also be "included" and "having"; for example, a process, method, system, product or device that can include a series of steps or units is not necessarily limited to those steps or units that have been clearly listed, but can include other steps or units that are not clearly listed or inherent to these processes, methods, products or devices.

[0023] Due to the angle of the drawing, some components may not be drawn, but their positions and connection relationships can be partially understood based on the text expression.

[0024] like Figure 1-Figure 2 As shown, the utility model is a manual air pressure sensor leak detection tool, comprising a base plate 1, a sensor positioning seat 2 is arranged on the base plate 1, and probe seats 3 and manual air supply mechanisms are arranged on both sides of the sensor positioning seat 2.

[0025] The sensor positioning seat 2 is provided with a positioning groove for placing the air pressure sensor 23. The air pressure sensor 23 is provided with an air source end, and the air source end faces the manual air supply mechanism.

[0026] A plurality of probes 15 are installed on the probe seat 3 , and the specific model of the probes 15 is PA100-A3.

[0027] The manual air supply mechanism includes a manual switching device 14, the fixed end of which is mounted on the base plate 1, and the movable end of which is mounted on a plug 4, in which a test airway is provided, one end of which is connected to a test air source.

[0028] The manual switching device 14 includes a base 14-1, a horizontal sliding push rod 14-2 on the left side of the base 14-1, a lower end of a hinged handle 14-3 on the right side of the base 14-1, one end of a hinged connecting piece 14-4 in the middle of the handle 14-3, and the other end of the connecting piece 14-4 is hinged to the inner end of the push rod 14-2.

[0029] The base 14-1 is installed on the bottom plate 1. A horizontal sliding hole is provided on the left side of the base 14-1 for slidingly connecting the push rod 14-2.

[0030] like Figure 3As shown, the test air duct includes an air inlet 4-11 and an air outlet 4-12 which are connected. The air inlet 4-11 is perpendicular to the air outlet 4-12. The air inlet of the air inlet 4-11 is located on the side of the plug 4. A transition joint 27 is installed at the air inlet of the air inlet 4-11; the air outlet of the air outlet 4-12 is located on the front end face of the plug 4.

[0031] A transfer gas station is provided on the base plate 1, and the transfer gas station includes a ventilation block 24, on which an air inlet connector 25 and an air outlet connector 26 are installed. The air inlet connector 25 is connected to the test air source, and the air outlet connector 26 is connected to the transition connector 27 through an air pipe (the air pipe is not drawn).

[0032] In order to prevent the plug 4 from damaging the air pressure sensor 23 , a baffle 6 is sleeved on the plug 4 , and an adaptive limit block (not shown) is provided on the bottom plate 1 .

[0033] The rear end of the plug 4 is an external thread structure, and the push rod 14-2 is provided with a matching internal thread, and the two are connected through the thread structure.

[0034] The working process of the utility model is as follows:

[0035] Place the air pressure sensor 23 on the sensor positioning seat 2, turn the handle 14-3 counterclockwise, and the handle 14-3 drives the push rod 14-2 to move horizontally to the left through the connecting piece 14-4, so that the plug 4 sticks to the air pressure sensor 23. At the same time, the probe 15 enters the air pressure sensor 23 and connects with the sensor chip. The other end of the probe 15 is connected to the test PCB circuit board.

[0036] The test gas source enters the air pressure sensor 23 through the air inlet connector 25, the vent block 24, the air outlet connector 26, the transition connector 27, and the test air duct in sequence.

[0037] It is understood that the above embodiments are merely exemplary embodiments used to illustrate the principles of the present invention, but the present invention is not limited thereto. For those skilled in the art, various modifications and improvements can be made without departing from the spirit and essence of the present invention, and these modifications and improvements are also considered to be within the scope of protection of the present invention.

Claims

1. A manual air pressure sensor leak detection tool, comprising a base plate (1), characterized in that: A sensor positioning seat (2) is provided on the bottom plate (1), and probe seats (3) and a manual air supply mechanism probe seat (3) are respectively provided on both sides of the sensor positioning seat (2), and a plurality of probes (15) are installed on the probe seat (3); the manual air supply mechanism comprises a manual switching device (14), a fixed end of the manual switching device (14) is installed on the bottom plate (1), and a plug (4) is installed on the movable end of the manual switching device (14), and a test air passage is provided in the plug (4), and one end of the test air passage is connected to a test air source.

2. The manual air pressure sensor leak detection tool as claimed in claim 1, characterized in that: The sensor positioning seat (2) is provided with a positioning groove.

3. The manual air pressure sensor leak detection tool as claimed in claim 1, characterized in that: The specific model of the probe (15) is PA100-A3.

4. The manual air pressure sensor leak detection tool as claimed in claim 1, characterized in that: The manual switching device (14) comprises a base (14-1). A horizontal sliding hole is provided on the left side of the base (14-1) for slidingly connecting a push rod (14-2). The right part of the base (14-1) is hinged to the lower end of a handle (14-3). The middle part of the handle (14-3) is hinged to one end of a connecting piece (14-4). The other end of the connecting piece (14-4) is hinged to the inner end of the push rod (14-2).

5. The manual air pressure sensor leak detection tool as claimed in claim 4, characterized in that: The base (14-1) is mounted on the bottom plate (1); a horizontal sliding hole is provided on the left side of the base (14-1).

6. The manual air pressure sensor leak detection tool as claimed in claim 4, characterized in that: The test air duct comprises an air inlet (4-11) and an air outlet (4-12) which are connected to each other. The air inlet (4-11) is perpendicular to the air outlet (4-12). The air inlet of the air inlet (4-11) is located on the side of the plug (4). A transition joint (27) is installed on the air inlet of the air inlet (4-11); and the air outlet of the air outlet (4-12) is located on the front end surface of the plug (4).

7. The manual air pressure sensor leak detection tool as claimed in claim 1, characterized in that: A transfer gas station is provided on the bottom plate (1), and the transfer gas station comprises a ventilation block (24). An air inlet joint (25) and an air outlet joint (26) are installed on the ventilation block (24). The air inlet joint (25) is connected to a test air source, and the air outlet joint (26) is connected to a transition joint (27) through an air pipe.

8. The manual air pressure sensor leak detection tool as claimed in claim 1, characterized in that: A baffle (6) is sleeved on the plug (4).

9. The manual air pressure sensor leak detection tool as claimed in claim 4, characterized in that: The rear end of the plug (4) is an external thread structure, and a matching internal thread is provided in the push rod (14-2), and the two are connected via the thread structure.

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