Continuous test method for omnibearing steady-state sensitivity of inertia switch

Abstract

The invention relates to the technical field of steady-state sensitivity testing of inertia switches, in particular to a continuous testing method for all-dimensional steady-state sensitivity of an inertia switch, multi-direction continuous testing is achieved through a locking mechanism, the continuous testing method can be suitable for inertia switches of different models and specifications, only the size and angle positioning of a mounting groove need to be correspondingly adjusted, and the testing efficiency is improved. A universal technical solution is provided for the multi-parameter and multi-direction centrifugal test of similar precise electromechanical elements, and good universality and expansibility are achieved; due to the fact that the product does not need to be disassembled and reinstalled in the whole testing process, positioning errors and repeatability errors caused by multiple times of manual clamping are fundamentally eliminated, testing in all directions is based on the same initial installation state, and comparability of testing data in different directions and high accuracy and high consistency of the whole testing result are guaranteed.

Description

Technical Field

[0001] This invention relates to the field of steady-state sensitivity testing technology for inertial switches, and more specifically to a continuous testing method for the all-around steady-state sensitivity of inertial switches. Background Technology

[0002] An inertial switch is a high-precision electromechanical trigger switch used as a critical detonation control device in certain types of weaponry. Its working principle is as follows: when the weapon collides with a target, the movable parts inside the inertial switch displace under the immense impact acceleration. When this acceleration exceeds a preset sensitivity threshold, the switch is triggered, activating the subsequent ignition circuit and ultimately detonating the main explosive charge to complete the combat mission. Therefore, the performance and reliability of the inertial switch directly determine the effectiveness of the entire weapon system and the degree to which its combat mission is accomplished; rigorous and accurate testing of its various performance indicators is crucial.

[0003] Steady-state sensitivity is a core performance indicator of inertial switches, specifically referring to their trigger threshold under continuous, stable uniform acceleration (such as centrifugal acceleration). To test this indicator, the conventional method is to directly mount the inertial switch sample onto the rotating arm of a centrifuge test bench, ensuring its sensitive axis is strictly aligned with the direction of centrifugal acceleration, and then start the centrifuge. As the rotational speed increases, the centrifugal acceleration acting on the product increases linearly. By recording the rotational speed or acceleration value at which the switch is just triggered to conduct using a monitoring system, the steady-state sensitivity in that direction can be calculated. However, the steady-state sensitivity test of an inertial switch cannot be completed in a single direction. According to its design specifications and usage requirements, it is usually necessary to test in multiple spatial directions, including the positive Y-axis, negative Y-axis, and radial direction, to comprehensively verify its performance under omnidirectional overload conditions.

[0004] Existing testing methods have significant technical limitations. First, they are inefficient: because centrifuge test benches typically provide only a single, fixed acceleration direction, to complete comprehensive product testing, it is necessary to stop the machine, disassemble the product, readjust its mounting posture on the fixture to align with the next testing direction, and then reassemble it before subsequent tests can be conducted. This cyclical "test-disassemble-adjust-install" operation is cumbersome and time-consuming, severely restricting testing efficiency. Second, operational consistency is difficult to guarantee: repeated disassembly and repositioning introduce human error, potentially affecting the repeatability of product installation and thus creating uncertainty in the accuracy and comparability of test results. Finally, batch testing capabilities are insufficient: traditional methods are usually designed for single or small quantities of products. When products are in mass production, this inefficient serial testing mode becomes a bottleneck in the production cycle, failing to meet the needs of rapid inspection.

[0005] Therefore, there is an urgent need for a method that can continuously and quickly test the steady-state sensitivity of inertial switches in multiple preset directions without repeated disassembly, and preferably be compatible with the synchronous testing of batch products, so as to greatly improve testing efficiency, ensure operational consistency, and thus meet the quality control requirements of modern mass production. Summary of the Invention

[0006] This invention overcomes the shortcomings of the prior art and provides a continuous testing method for the omnidirectional steady-state sensitivity of an inertial switch, especially with the characteristics of continuous, rapid testing in multiple preset directions without repeated disassembly.

[0007] The technical problem solved by this invention can be achieved by the following technical solutions: A continuous testing method for the omnidirectional steady-state sensitivity of an inertial switch, the method employing a test device with adjustable orientation, includes the following steps: S1. Installation and Fixing: At least one inertial switch is installed on the mounting unit of a test device, and the test device with the inertial switch installed is fixed as a whole on the centrifugal test bench. The mounting unit can change and lock its angular orientation relative to the rotation axis of the centrifugal test bench. S2. Electrical connection: Connect the wires of the inertial switch to the test cable of the centrifugal test system; S3. First direction test: Adjust and lock the installation unit in the first preset test direction, start the centrifugal test bench and test system, apply a continuously increasing centrifugal acceleration to the inertial switch, and record the acceleration value when it is triggered to conduct in the first preset test direction as the first steady-state sensitivity; S4. Direction switching and continuous testing: While keeping the inertial switch installed on the mounting unit, unlock the mounting unit, rotate it and adjust and lock it to the second preset test direction, start the centrifuge test bench again to test, and record the second steady-state sensitivity of the inertial switch in the second preset test direction; S5. Complete the all-round test: Repeat step S4, and adjust and lock the installation unit to the other required test directions in sequence, and complete the steady-state sensitivity test in the corresponding direction, so as to continuously obtain its steady-state sensitivity data in all preset spatial directions without disassembling the inertial switch.

[0008] Furthermore, the first preset test direction, the second preset test direction, and the remaining test directions together cover the positive Y-axis direction, the negative Y-axis direction, and the radial direction of the inertial switch.

[0009] Furthermore, in step S1, the testing device includes a base plate, a bracket fixed on the base plate, and the mounting unit rotatably mounted on the bracket via a rotating shaft; The mounting unit is equipped with a locking mechanism to restrict its rotation; In steps S3 and S4, the locking mechanism is used to lock and unlock the installation unit.

[0010] Furthermore, the locking mechanism is an adjusting handle, whose threaded rod can be screwed into the positioning hole on the mounting unit to achieve locking, and screwed out to achieve unlocking.

[0011] Furthermore, in step S1, the mounting unit is provided with multiple mounting slots arranged in a straight line for simultaneously mounting multiple inertial switches; In steps S3 to S5, the multiple inertial switches can be tested synchronously in batches.

[0012] Furthermore, the plurality of mounting slots are arranged on the mounting unit such that when the mounting unit is locked, the sensitive axes of all the inertial switches are in the same radial plane as the rotation axis of the centrifugal test bench, thereby ensuring that the centripetal force on all the tested products is in the same direction.

[0013] Furthermore, the mounting unit includes a mounting frame, an insulating mechanism disposed within the mounting frame, baffles located on both sides of the insulating mechanism, and a top cover covering the entire mounting frame. The insulating mechanism has a mounting groove, and the inertial switch is housed in the mounting groove of the insulating mechanism and is pressed and fixed by the top cover.

[0014] Furthermore, in steps S3 and S4, the "starting the centrifuge test bench for testing" specifically involves: controlling the centrifuge test bench to rotate at a uniform acceleration from rest, monitoring the conduction status of the inertial switch in real time through the centrifuge test system, and recording the rotational speed of the centrifuge test bench or the directly calculated acceleration value at the moment it is turned on.

[0015] An inertial switch steady-state sensitivity testing device for implementing any one of the above methods, comprising: The base plate is used to fix the entire device to the centrifugal test bench; The bracket is fixed to the base plate; The mounting unit is rotatably mounted on the bracket via a rotating shaft and is used to mount at least one inertial switch; A locking mechanism, disposed on the bracket, is used to selectively lock the mounting unit in multiple different angular positions.

[0016] Furthermore, the mounting unit includes two mounting frames arranged side by side. Each mounting frame is provided with an insulating mechanism that can accommodate multiple inertial switches and baffles arranged between the two sides of the insulating mechanism and the inner wall of the mounting frame along the length direction of the insulating mechanism. The top of each mounting frame is provided with a top cover. Multiple mounting slots are evenly opened on the insulating mechanism. Multiple wire outlet slots are opened on the baffles at positions corresponding to the center positions of the multiple mounting slots on the insulating mechanism. The height of the insulating mechanism is the same as the height of the baffles. The locking mechanism is an adjustment handle corresponding to each mounting frame.

[0017] The beneficial effects of this invention are: Compared with existing technologies, this invention achieves multi-directional continuous testing through a locking mechanism, making it applicable to inertial switches of different models and specifications. Only the size and angle of the mounting slot need to be adjusted accordingly for positioning. It provides a universal technical solution for multi-parameter, multi-directional centrifugal testing of similar precision electromechanical components, exhibiting excellent versatility and scalability.

[0018] This invention, through its rotatable and lockable mounting unit design, enables continuous multi-directional testing after a single installation. It completely avoids the tedious cycle of stopping, disassembling, reassembling, and recalibrating for each direction tested, as required by traditional methods. This minimizes ineffective auxiliary time and increases testing efficiency several times over, making it particularly suitable for production batch inspection processes and significantly improving testing efficiency.

[0019] Since the product does not require disassembly and reinstallation throughout the testing process, positioning and repeatability errors caused by multiple manual clamping operations are fundamentally eliminated. Tests in all directions are based on the same initial installation state, ensuring comparability of test data across different directions and high accuracy and consistency of overall test results.

[0020] The testing unit's mounting unit is designed with multiple mounting slots arranged in a straight line, allowing for the simultaneous installation of multiple inertial switches. During centrifugal testing, all products undergo the same acceleration field synchronously, enabling the screening of large batches of products in the same direction in a single test cycle. Combined with continuous direction switching functionality, the advantages of batch testing are amplified exponentially, significantly increasing production line throughput and achieving highly efficient batch testing.

[0021] The testing device of this invention has a simple and compact structure, and the locking mechanism (such as an adjusting handle) is intuitive and reliable to operate. Angle positioning is achieved through mechanical positioning holes, which is fast and accurate. The entire testing process is clearly defined, reducing the technical requirements for operators, minimizing the possibility of human error, and improving the standardization and reliability of the testing process. Attached Figure Description

[0022] The present invention will be further described below with reference to the accompanying drawings and embodiments.

[0023] Figure 1 This is a schematic diagram of the overall structure of the testing device of the present invention.

[0024] Figure 2 This is a schematic side view cross-sectional view of the overall testing device of the present invention.

[0025] Figure 3 This is a schematic diagram of the support structure of the present invention.

[0026] Figure 4 This is a top view of the overall structure of the testing device of the present invention.

[0027] Figure 5 This is a schematic diagram of the base plate structure of the present invention.

[0028] Figure 6 This is a schematic diagram of the mounting bracket structure of the present invention.

[0029] Figure 7 This is a top view of the mounting bracket structure of the present invention.

[0030] Figure 8 This is a schematic diagram of the insulation mechanism of the present invention.

[0031] Figure 9 This is a schematic diagram of the baffle structure of the present invention.

[0032] Figure 10 This is a schematic diagram of the locking mechanism of the present invention.

[0033] Figure 11 This is a schematic diagram of the overall application scenario structure of the testing device of the present invention.

[0034] In the diagram: 1-Base plate, 2-Bracket, 3-Mounting bracket, 4-Insulation mechanism, 5-Baffle, 6-Top cover, 7-Locking mechanism, 8-Base plate threaded hole, 9-Connecting hole, 10-Counterhead hole, 11-Mounting bracket assembly hole, 12-Handle mounting threaded hole, 13-Shaft, 14-Positioning hole, 15-Mounting bracket cable outlet groove, 16-Mounting groove, 17-Mounting bracket threaded hole, 18-Mounting groove, 19-Baffle cable outlet groove, 20-Conical hole, 21-Threaded rod, 22-Handle, 23-Centrifugal testing system, 24-Test cable, 25-Centrifugal test bench, 26-Test device. Detailed Implementation

[0035] First, it should be noted that the terms used in the various embodiments of this invention are: In this invention, the centrifuge testing system 23 is connected to an inertial switch via a cable. A maximum specified value for acceleration is set within the centrifuge testing system 23. Then, the centrifuge test bench 25 is turned on, and the acceleration value of the centrifuge test bench 25 accelerates from 0. When the indicator light on the centrifuge testing system 23 illuminates, it indicates that the inertial switch is on, and the acceleration value at the time the indicator light is on is recorded. When the acceleration of the centrifuge test bench 25 continues to rise to the set maximum specified value, the centrifuge test bench 25 begins to decelerate. When the indicator light on the centrifuge testing system 23 goes out, it indicates that the inertial switch has been disconnected, and the acceleration value at the time the indicator light goes out is recorded.

[0036] If the indicator light of the centrifugation test system 23 remains on during the period from when the acceleration value is recorded when the indicator light is on to when the acceleration value is recorded when the indicator light is off, it indicates that the inertia switch test is qualified.

[0037] Specifically, the acceleration values ​​when the indicator light is on and when the indicator light is off must both be the design thresholds of the inertial switch at the factory. If the acceleration value when the indicator light is on is less than or greater than the design thresholds of the inertial switch at the factory, then the inertial switch with the indicator light on is considered a product that has failed the test.

[0038] The centrifugation testing system 23 in this invention is prior art and will not be described in detail in this invention. Any centrifugation testing system in the prior art that can achieve the function of this invention is within the protection scope of this invention.

[0039] The following will provide a detailed description of the technical solution of a continuous testing method for the omnidirectional steady-state sensitivity of an inertial switch provided by the present invention through several specific embodiments.

[0040] Reference Figure 11 The diagram illustrates the overall application scenario of this testing method in a centrifugal testing system. The present invention provides a continuous testing method for the omnidirectional steady-state sensitivity of an inertial switch, employing a test device 26 with adjustable orientation, comprising the following steps: S1. Installation and Fixing: At least one inertial switch is installed on the mounting unit of a test device 26, and the test device 26 with the inertial switch is fixed as a whole on the centrifugal test bench 25. The mounting unit can change and lock its angular orientation relative to the rotation axis of the centrifugal test bench 25. Specifically, the operator opens the top cover 6 and places multiple inertial switches to be tested one by one into the mounting slots 18 of the insulation mechanism 4, leading the wires of the inertial switches out from the corresponding baffle wire outlet slots 19 of the baffle 5; then, the top cover 6 is closed and tightened with screws to ensure that all inertial switches are firmly pressed in place. Subsequently, the entire test device 26 with the installed products is fixed to the predetermined position on the centrifugal test bench 25 through the connection holes 9 on the base plate 1.

[0041] S2. Electrical connection: Connect the wires of the inertial switch to the test cable 24 of the centrifugal test system 23. Specifically, all the wires of the inertial switches led out in step S1 are reliably electrically connected to the test cable 24 of the centrifugal testing system 23. The centrifugal testing system 23 monitors the on / off state of the inertial switches in real time. When the switch is on, the indicator light on the centrifugal testing system 23 changes from off to on; when the inertial switch is off, the indicator light changes from on to off. The centrifugal testing system 23 records the acceleration values ​​when the inertial switches are on and off, which are used to determine whether the inertial switches are qualified.

[0042] S3. First direction test: Adjust and lock the installation unit in the first preset test direction, start the centrifugal test bench 25 and centrifugal test system 23, apply a continuously increasing centrifugal acceleration to the inertial switch, and record the acceleration value when it is triggered to conduct in the first preset test direction as the first steady-state sensitivity. In this invention, the first preset test direction, the second preset test direction, and the remaining test directions together cover the positive Y-axis direction, the negative Y-axis direction, and the radial direction of the inertial switch.

[0043] Specifically, first, the mounting bracket 3 (mounting unit) is rotated to the first preset test direction (e.g., the positive Y-axis direction of the inertial switch is aligned with the centrifugal acceleration direction). The mounting bracket 3 is locked at this angle by tightening the corresponding adjustment handle (locking mechanism 7). The centrifugal test bench 25 is started and controlled to rotate at a uniform acceleration from rest. The centrifugal test system 23 synchronously monitors the status of all inertial switches. When an inertial switch conducts due to reaching its sensitivity threshold, the centrifugal test system 23 records the rotational speed of the centrifugal test bench 25 at that moment or directly calculates the corresponding centrifugal acceleration value, which is the first steady-state sensitivity of the product in the positive Y-axis direction. After the test is completed, the centrifugal test bench 25 decelerates to a stop. The calculation of the corresponding centrifugal acceleration value in this invention is prior art and will not be described in detail here.

[0044] S4. Direction switching and continuous testing: With the inertial switch still installed on the mounting unit, unlock the mounting unit, rotate it and adjust and lock it to the second preset test direction, and start the centrifuge test bench 25 again to perform the test. The centrifuge test system 23 records the second steady-state sensitivity of the inertial switch in the second preset test direction. In steps S3 and S4 of the present invention, “starting the centrifuge test bench for testing” specifically means: controlling the centrifuge test bench 25 to rotate uniformly and accelerate from rest, monitoring the conduction state of the inertial switch in real time through the centrifuge test system 23, and recording the rotational speed of the centrifuge test bench 25 or the directly calculated acceleration value at the moment it is turned on. Specifically, with all inertial switches installed within the test apparatus 26, loosen the adjustment handle to unlock the mounting bracket 3. Manually rotate the mounting bracket 3 90 degrees (or other predetermined angle) so that the second test direction (e.g., radial) of the inertial switches is aligned with the direction of centrifugal acceleration. Then, tighten the adjustment handle again to lock the mounting bracket 3 in this second preset test direction. Without rewiring or disassembling the product, directly restart the centrifuge test bench 25 to perform the acceleration test and record the second steady-state sensitivity in this direction.

[0045] S5. Complete the all-round test: Repeat step S4, and adjust and lock the installation unit to the other required test directions in turn, and complete the steady-state sensitivity test in the corresponding directions, so as to continuously obtain its steady-state sensitivity data in all preset spatial directions without disassembling the inertial switch.

[0046] For example, continue rotating and locking the mounting bracket 3 in a third direction (such as the negative Y-axis) for testing. By rotating and locking in this manner and conducting continuous testing, a complete set of steady-state sensitivity data for the same batch of products in all specified spatial directions (such as Y+, radial, Y-) can be obtained efficiently and continuously without disassembling any inertial switches.

[0047] After the test is completed, the method of the present invention separates the wires of the inertial switches from the cables of the centrifugal test system 23, removes the screws on the top cover 6, and all the inertial switches can be disassembled, thus ending the test process.

[0048] See Figure 1 , Figure 2 and Figure 3 As shown, in step S1 of the present invention, the testing device 26 includes a base plate 1, a bracket 2 fixed on the base plate 1, and a mounting unit rotatably mounted on the bracket 2 via a rotating shaft 13; the mounting unit is provided with a locking mechanism 7 for limiting its rotation. In steps S3 and S4 of the present invention, locking and unlocking of the installation unit are achieved by operating the locking mechanism 7.

[0049] The locking mechanism 7 of the present invention is an adjustment handle, whose threaded rod 21 can be screwed into the positioning hole 14 on the mounting unit to achieve locking, and screwed out to achieve unlocking.

[0050] In step S1 of the present invention, the mounting unit is provided with a plurality of mounting slots 18 arranged in a straight line for simultaneously mounting a plurality of inertial switches. In steps S3 to S5 of the present invention, multiple inertial switches can be tested synchronously in batches.

[0051] The multiple mounting slots 18 of the present invention are arranged on the mounting unit such that when the mounting unit is locked, the sensitive axes of all inertial switches are in the same radial plane as the rotation axis of the centrifugal test bench 25, thereby ensuring that the centripetal force on all tested products is in the same direction.

[0052] The installation unit of the present invention includes a mounting frame 3, an insulating mechanism 4 disposed in the mounting frame 3, baffles 5 located on both sides of the insulating mechanism 4, and an upper cover 6 covering the entire mounting frame 3. The insulating mechanism 4 has a mounting groove 18, and the inertial switch is housed in the mounting groove 18 of the insulating mechanism 4 and is pressed and fixed by the upper cover 6.

[0053] Reference Figure 1 , Figure 2 , Figure 3 , Figure 4 , Figure 5 , Figure 6 and Figure 7 As shown, an inertial switch steady-state sensitivity testing device for implementing a continuous testing method for the omnidirectional steady-state sensitivity of an inertial switch according to the present invention includes: The base plate 1 is used to fix the entire device to the centrifugal test bench 25; wherein, the base plate 1 is provided with a plurality of base plate threaded holes 8 for connecting with the bracket 2; Bracket 2 is fixed to base plate 1; The mounting unit is rotatably mounted on the bracket 2 via a rotating shaft 13, and is used to mount at least one inertial switch; the rotating shaft 13 in this invention can be an integral structure with the mounting unit or a separate structure. The locking mechanism 7, mounted on the bracket 2, is used to selectively lock the installation unit in multiple different angular positions.

[0054] See Figure 4 , Figure 6 and Figure 7 As shown, the installation unit of the present invention includes two mounting frames 3 arranged side by side. The top of the two side walls of the mounting frames 3 are evenly provided with mounting frame outlet slots 15. Each mounting frame 3 is provided with an insulation mechanism 4 that can accommodate multiple inertial switches and baffles 5 arranged between the two sides of the insulation mechanism 4 and the inner wall of the mounting frame 3 along the length direction of the insulation mechanism 4. The top of both mounting frames 3 is provided with a top cover 6. Multiple mounting slots 18 are evenly provided on the insulation mechanism 4. Multiple baffle outlet slots 19 are provided on the baffles 5 at positions corresponding to the center positions of the multiple mounting slots 18 on the insulation mechanism 4. Each mounting frame outlet slot 15 corresponds one-to-one with the baffle outlet slot 19 on the baffle 5 to facilitate the lead-out of the wires. The height of the insulation mechanism 4 is the same as the height of the baffle 5, and the overall height of the mounting frame 3, the insulation mechanism 4 and the baffle 5 is the same. The locking mechanism 7 is an adjustment handle corresponding to each mounting frame 3.

[0055] Reference Figure 1 , Figure 4 , Figure 5 , Figure 6 and Figure 7 As shown, in this invention, the mounting bracket 3 is made of 2A12 aluminum material, has a rectangular structure, a length of 405mm, a width of 53.8mm, and a height of 32mm; the mounting bracket 3 has a rotating shaft 13 with a diameter of Φ20mm on both sides for assembly with the bracket 2, and a positioning hole 14 with a diameter of Φ6mm with perpendicularity in the middle of the rotating shaft 13, which cooperates with the adjustment handle to limit the position of the mounting bracket 3; Reference Figure 7 As shown, the middle part of the mounting bracket 3 is a mounting groove 16, which is 345mm long, 33.8mm wide, and 22mm deep, for mounting the insulation mechanism 4. The insulation mechanism 4 and the baffle 5 are both located in the mounting groove 16. Baffles 5 are respectively provided on the two side walls of the mounting bracket 3. The baffles 5 are provided with 16 evenly distributed baffle wire outlet grooves 19, each 3mm wide. The bottom of the baffle wire outlet groove 19 is a semicircle with a radius of 1.5mm and is 7mm away from the upper end face, for passing through the wires of the inertial switch. The upper end face of the mounting bracket 3 is provided with 6 evenly distributed mounting bracket threaded holes 17 for connecting with the upper cover 6.

[0056] Reference Figure 8 As shown, the insulation mechanism 4 is made of polyamide insulation material and has a rectangular structure with a length of 345mm, a width of 23.8mm, and a height of 22mm. There are 16 evenly distributed mounting grooves 18 along the width direction on the insulation mechanism 4, each with a width of 14mm. The bottom of the groove is a semicircle with an R7mm radius and is 14mm away from the upper end face. These grooves are used to install inertial switches.

[0057] Reference Figure 2 As shown, the bracket 2 of the present invention has a T-shaped structure. The bottom surface of the T-shaped structure is provided with two countersunk holes 10, two mounting bracket assembly holes 11, and two handle mounting threaded holes 12. The countersunk holes 10 are used for connection with the base plate 1, the mounting bracket assembly holes 11 are used for mounting the mounting bracket 3, and the handle mounting threaded holes 12 are used for mounting the adjustment handle.

[0058] Reference Figure 4 and Figure 5 As shown, the base plate 1 of the present invention is made of 2A12 aluminum material, with a length of 405mm, a width of 250mm, and a height of 30mm; there are 4 symmetrically distributed base plate threaded holes 8 on the base plate for fixing the bracket 2; there are 4 symmetrically distributed connecting holes 9 with a diameter of Φ17mm for mounting the base plate 1 on the centrifuge test bench 25.

[0059] In actual installation, when fixing bracket 2 to base plate 1, 4 screws with specifications of M8×20, 4 spring washers, and 4 flat washers are used to fix 2 brackets 2 to base plate 1; then 12 screws with specifications of M4×8 are used to fix 2 top covers 6 into the threaded holes 17 on the two sets of mounting brackets 3 respectively.

[0060] Reference Figure 9 As shown, the baffle 5 in this invention is made of polyamide insulating material and has a long plate structure with a length of 345mm, a width of 5mm, and a height of 22mm. It is used in conjunction with the insulating mechanism 4 to limit the inertial switch. There are 16 evenly distributed baffle wire outlet grooves 19 with a width of 3mm. The bottom of the baffle wire outlet groove 19 is a semicircle with a radius of 1.5mm and a distance of 7mm from the upper end face, which is used to pass through the wires of the inertial switch.

[0061] Reference Figure 2 and Figure 4 As shown, in this invention, the upper cover 6 is made of epoxy glass cloth laminate insulation material, and has a long plate structure with a length of 365mm, a width of 53.8mm, and a height of 5mm; the upper cover 6 is provided with 6 Φ4.5mm tapered holes 20 for connection with the mounting bracket 3.

[0062] Reference Figure 10 As shown, the adjustment handle in this invention is made of stainless steel. The adjustment handle includes a threaded rod 21 and a handle 22 disposed at one end of the threaded rod 21. The handle 22 is the hand-held part, and the threaded rod 21 has a specification of M6×30mm, which serves to limit the position of the mounting bracket 3.

[0063] In summary, the present invention provides a continuous testing method for the omnidirectional steady-state sensitivity of an inertial switch. The locking mechanism enables continuous testing in multiple directions and is applicable to inertial switches of different models and specifications. Only the dimensions and angle of the mounting slot need to be adjusted accordingly for positioning. It provides a universal technical solution for multi-parameter, multi-directional centrifugal testing of similar precision electromechanical components, exhibiting excellent versatility and scalability.

[0064] The embodiments of the present invention have been described in detail above with reference to the accompanying drawings. However, the present invention is not limited to the above embodiments. Within the scope of knowledge possessed by those skilled in the art, various changes can be made without departing from the spirit of the present invention, and all such changes are within the protection scope of the technology.

[0065] It should be noted that all directional indications (such as up, down, left, right, front, back, etc.) in the embodiments of the present invention are only used to explain the relative positional relationship and movement of each component in a certain specific posture (as shown in the figure). If the specific posture changes, the directional indication will also change accordingly.

[0066] The technical solutions of the various embodiments can be combined with each other, but must be based on the ability of those skilled in the art to implement them. When the combination of technical solutions is contradictory or cannot be implemented, it should be considered that such combination of technical solutions does not exist and is not within the scope of protection claimed by this invention.

Claims

1. A continuous testing method for the omnidirectional steady-state sensitivity of an inertial switch, characterized in that, The method employs a test device (26) with adjustable orientation and includes the following steps: S1. Installation and fixing: At least one inertial switch is installed on the mounting unit of a test device (26), and the test device (26) with the inertial switch is fixed as a whole on the centrifugal test bench (25). The mounting unit can change and lock its angular orientation relative to the rotation axis of the centrifugal test bench (25). S2. Electrical connection: Connect the wires of the inertial switch to the test cable (24) of the centrifugal test system (23); S3. First direction test: Adjust and lock the installation unit in the first preset test direction, start the centrifugal test bench (25) and test system (23), apply a continuously increasing centrifugal acceleration to the inertial switch, and record the acceleration value when it is triggered to conduct in the first preset test direction as the first steady state sensitivity; S4. Direction switching and continuous testing: While keeping the inertial switch installed on the mounting unit, unlock the mounting unit, rotate it and adjust and lock it to the second preset test direction, start the centrifugal test bench (25) again to perform the test, and record the second steady-state sensitivity of the inertial switch in the second preset test direction; S5. Complete the all-round test: Repeat step S4, and adjust and lock the installation unit to the other required test directions in sequence, and complete the steady-state sensitivity test in the corresponding direction, so as to continuously obtain its steady-state sensitivity data in all preset spatial directions without disassembling the inertial switch.

2. The method of claim 1, wherein, The first preset test direction, the second preset test direction, and the remaining test directions together cover the positive Y-axis direction, the negative Y-axis direction, and the radial direction of the inertial switch.

3. The method of claim 1, wherein, In step S1, the testing device (26) includes a base plate (1), a bracket (2) fixed on the base plate (1), and a mounting unit rotatably mounted on the bracket (2) via a rotating shaft (13). The mounting unit is provided with a locking mechanism (7) for limiting its rotation; In steps S3 and S4, the locking mechanism (7) is used to lock and unlock the installation unit.

4. The method of claim 3, wherein, The locking mechanism (7) is an adjustment handle, whose threaded rod (21) can be screwed into the positioning hole (14) on the mounting unit to achieve locking, and screwed out to achieve unlocking.

5. The method of claim 1, wherein, In step S1, the mounting unit is provided with a plurality of mounting slots (18) arranged in a straight line for simultaneously mounting a plurality of the inertial switches; In steps S3 to S5, the multiple inertial switches can be tested synchronously in batches.

6. The method of claim 5, wherein, The plurality of mounting slots (18) are arranged on the mounting unit such that when the mounting unit is locked, the sensitive axes of all the inertial switches are in the same radial plane as the rotation axis of the centrifugal test bench (25), thereby ensuring that the centripetal force on all the tested products is in the same direction.

7. The method according to claim 3 or 5, characterized in that, The installation unit includes a mounting frame (3), an insulation mechanism (4) disposed in the mounting frame (3), baffles (5) located on both sides of the insulation mechanism (4), and an upper cover (6) covering the entire mounting frame (3). The insulation mechanism (4) has an installation groove (18), and the inertial switch is housed in the installation groove (18) of the insulation mechanism (4) and is pressed and fixed by the upper cover (6).

8. The method according to claim 1, characterized in that, In steps S3 and S4, the "starting the centrifuge test bench for testing" specifically means: controlling the centrifuge test bench (25) to rotate uniformly from rest, monitoring the conduction status of the inertial switch in real time through the centrifuge test system (23), and recording the rotation speed of the centrifuge test bench (25) or the acceleration value calculated directly at the moment it is turned on.

9. An inertial switch steady-state sensitivity testing device for implementing the method according to any one of claims 1-8, characterized in that, include: The base plate (1) is used to fix the entire device to the centrifugal test bench (25). The bracket (2) is fixed to the base plate (1); The mounting unit is rotatably mounted on the bracket (2) via a pivot (13) for mounting at least one inertial switch; A locking mechanism (7) is provided on the bracket (2) for selectively locking the installation unit in multiple different angular positions.

10. The apparatus according to claim 9, characterized in that, The installation unit includes two mounting frames (3) arranged side by side. Each mounting frame (3) is provided with an insulation mechanism (4) that can accommodate multiple inertial switches and a baffle (5) arranged between the two sides of the insulation mechanism (4) and the inner wall of the mounting frame (3) along the length direction of the insulation mechanism (4). The top of each of the two mounting frames (3) is provided with a top cover (6). Multiple mounting slots (18) are evenly opened on the insulation mechanism (4). Multiple wire outlet slots (19) are opened on the baffle (5) at positions corresponding to the center positions of the multiple mounting slots (18) on the insulation mechanism (4). The height of the insulation mechanism (4) is the same as the height of the baffle (5). The locking mechanism (7) is an adjustment handle corresponding to each mounting frame (3).

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