An assembly for determining the activation time of a mechanically activated thermal battery

Abstract

The utility model relates to a kind of for determining the component of mechanical activation thermal battery activation time. The method and device for determining the mechanical activation thermal battery activation time using the component have the advantages of accurately providing activation energy, accurately calibrating activation zero point, accurately determining activation time, can effectively feedback the level of mechanical activation thermal battery fast response, solve the technical problem of accurately determining mechanical activation time in thermal battery industry.

Description

Technical Field

[0001] This utility model belongs to the field of thermal battery technology, specifically relating to a device and its components for measuring the activation time of a mechanically activated thermal battery. Background Technology

[0002] Mechanically activated thermal batteries are classified into impact thermal batteries and needle-punch thermal batteries according to their activation type. The activation method involves applying external mechanical energy to a firing pin, causing it to strike the ignition cap and ignite the internal ignition and heating materials. This melts the eutectic electrolyte, transforming it into an ionic conductor, and then outputs electrical energy. The activation time of a mechanically activated thermal battery is defined as the time from the instant the firing pin strikes the ignition cap (before the ignition cap ignites) to the time required for the voltage to reach the lower operating limit during the voltage build-up process. The activation time reflects the thermal battery's ability to rapidly build up voltage and respond quickly to output electrical energy.

[0003] Mechanically activated thermal batteries are widely used in ejection seat rescue. These fast-activation batteries can rapidly supply power, allowing the ejection seat to quickly detach from the rails and cockpit, thus escaping danger. Simultaneously, thermal batteries are extensively used in modern weapon systems, and their activation time directly affects the response speed and combat efficiency of these systems. Therefore, accurately measuring the activation time of mechanically activated thermal batteries is particularly important, especially for fast-activation batteries; precise measurement of the activation time is essential to demonstrating the rapid response capability of the thermal battery.

[0004] Currently, one method used in the industry to determine the activation time of mechanically activated thermal batteries is to use a photoelectric target or acoustic-electric target to collect the light or sound generated after the ignition cap is applied, converting it into an electrical signal as the activation zero point. However, this method measures a shorter activation time than the actual activation time of the thermal battery, missing the time the firing pin acts on the ignition cap and the ignition response time. Chinese patent application CN1687689A, entitled "A Device for Measuring the Activation Time of a Thermal Battery," discloses a device for measuring the activation time of a thermal battery consisting of a firing pin trigger, a photoelectric sensor, etc. This device uses a method where the laser signal passing through a through-hole is blocked before the firing pin acts on the ignition cap, and that point is used as the activation zero point. However, this method starts timing before the firing pin touches the ignition cap when calibrating the activation zero point, resulting in premature calibration and an overestimation of the activation time. Furthermore, this method cannot provide accurate activation energy for activating the thermal battery. The Chinese utility model patent document CN219435908U, entitled "A Thermal Battery Start-up Activation Tooling," discloses a method that uses an electromagnetic valve to control the gas path, and high-pressure gas drives a firing pin to strike the spark cap to activate the thermal battery. However, when measuring the activation time, the timing starts from the beginning of gas transmission, and the action time of the activation device needs to be tested and adjusted multiple times. Affected by changes in gas cylinder delivery pressure, delivery distance, etc., the activation time measured in multiple tests varies, and it cannot provide accurate activation energy.

[0005] Therefore, how to provide accurate activation energy, precisely calibrate the activation zero point of mechanically activated thermal batteries, accurately measure the activation time, and how to provide real and effective feedback on the fast response level of mechanically activated thermal batteries are technical problems that urgently need to be solved by those skilled in the art. Utility Model Content

[0006] To address the aforementioned technical problems, the purpose of this invention is to provide a component for measuring the activation time of a mechanical thermal battery. The device and testing method using this component have the advantages of accurately providing activation energy, precisely calibrating the activation zero point, and accurately measuring the activation time. It can provide a true and effective feedback on the fast response level of the mechanically activated thermal battery, thus solving the technical problem of accurately measuring the mechanical activation time in the thermal battery industry.

[0007] Specifically, this invention provides a component for measuring the activation time of a mechanically activated thermal battery, the component comprising:

[0008] The part set on the horizontal mounting plate, and

[0009] The portion mounted on the vertical triangular mounting plate.

[0010] in,

[0011] The portion disposed on the horizontal mounting plate includes:

[0012] A thermal battery holder is used to secure a thermal battery with the end containing the flame cap facing upwards and the end containing the positive and negative terminals facing downwards; and

[0013] A firing pin holder is provided on the end of the thermal battery with the spark cap, for vertically fixing the firing pin. The firing pin has a first conductive lead.

[0014] The portion disposed on the vertical triangular mounting plate includes:

[0015] A guide rail with a scale is fixed to a vertical triangular mounting plate, the guide rail being positioned vertically above the firing pin;

[0016] A slider mounted on a guide rail and equipped with a scale pointer;

[0017] A mounting bracket installed in the center of the slider to hold the falling ball in place; and

[0018] A drop ball is releasably fixed in a mounting base, the drop ball having a second conductive lead and positioned vertically directly above the firing pin.

[0019] According to some implementation schemes, the vertical triangular mounting plate and the horizontal mounting plate are fixedly connected by screws and nuts.

[0020] According to some implementation schemes, the ball is fixed in a circular groove at the lower end of the mounting base by magnetic attraction generated by the electromagnetic chuck, and falls freely when the magnetic force disappears after the electromagnetic chuck is de-energized.

[0021] According to some implementation schemes, the distance between the bottom of the ball and the top of the firing pin, i.e. the height of the ball's free fall, is calculated from the thermal battery activation energy and the weight of the ball.

[0022] According to some implementations, the second conductive lead is bonded and fixed to the drop ball side by conductive tape.

[0023] According to some embodiments, the firing pin holder has a through central hole with a diameter larger than that of the firing pin for positioning the firing pin, and the bottom of the firing pin holder has a circular hole with a diameter the same as that of the thermal battery.

[0024] According to some implementation schemes, the firing pin is installed and fixed at the center hole of the firing pin holder, with the tapered part of the firing pin facing downwards and in contact with the thermal battery cap, and the part of the upper end of the firing pin that protrudes from the center hole of the firing pin holder is bonded and fixed with conductive tape to the first conductive lead.

[0025] According to some implementation schemes, the scale direction is consistent with the sliding direction of the guide rail, the zero point of the scale is located at the lower end, and is on the same horizontal plane as the upper end of the firing pin. When the slider slides on the vertical guide rail, the scale pointer can indicate the scale.

[0026] According to some implementation schemes, the horizontal mounting plate is provided with a fixing plate, which has protruding threaded posts that are connected and fixed to the threaded holes at the bottom of the thermal battery mounting base.

[0027] The beneficial effects of this invention are as follows: the component for measuring the activation time of a mechanically activated thermal battery can provide accurate activation energy to activate the mechanically activated thermal battery, can accurately calibrate the activation zero point of the thermal battery, can accurately measure the activation time of the mechanically activated thermal battery, and can provide real and effective feedback on the fast response level of the mechanically activated thermal battery. Attached Figure Description

[0028] Figure 1 This is a schematic diagram of the structure of a component of this utility model for measuring the activation time of a mechanically activated thermal battery.

[0029] Figure 2 This is a schematic diagram of the discharge testing system of this utility model;

[0030] Figure 3 This is a schematic diagram of the electrical signal acquisition method of this utility model.

[0031] Explanation of reference numerals in the attached figures:

[0032] 1-Horizontal mounting plate, 2-Positioning plate, 3-Thermal battery lead, 4-Thermal battery holder, 5-Thermal battery, 6-Firing pin holder, 7-S2 pole lead, 8-Guide rail, 9-Drop ball, 10-S1 pole lead, 11-Electromagnetic chuck holder, 12-Electromagnetic chuck, 13-Scale pointer, 14-Slider, 15-Scale, 16-Vertical triangular mounting plate, 17-Firing pin

[0033] t0 - is the time when the electronic load is started, the acquisition system is activated, the system is activated, and the electromagnetic chuck power switch is turned off;

[0034] t1 is the activation zero point, and the judgment time is when the activation circuit generates the instantaneous current signal I1;

[0035] t2 - The moment when the voltage reaches the lower limit operating voltage during the boost process of the thermal battery;

[0036] t3 - The moment when the battery voltage drops to the lower limit of the operating voltage during operation (U2);

[0037] U2 - Lower operating voltage of the thermal battery;

[0038] I1 - Instantaneous current in the activation system loop;

[0039] I2 - Operating current of electronic load. Detailed Implementation

[0040] In the description of this utility model, it should be understood that the terms "center", "upper", "lower", "vertical", "horizontal", "inner", "outer", "end", "middle", etc., indicate the orientation or positional relationship based on the direction or positional relationship shown in the drawings. They are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this utility model.

[0041] The present invention provides a component for measuring the activation time of a mechanically activated thermal battery, comprising a horizontal mounting plate, a vertical triangular mounting plate, a guide rail, a slider, an electromagnetic chuck, a scale, a scale pointer, a firing pin, a firing pin holder, a thermal battery holder, and a thermal battery. The horizontal mounting plate and the vertical triangular mounting plate are fixedly connected by screws and nuts. The guide rail is installed in the vertical direction of the vertical triangular mounting plate, and the slider is installed on the guide rail. The scale pointer is installed on the side of the slider. The slider can slide vertically along the vertical guide rail and is fixed when it slides to the desired height indicated by the scale pointer. The horizontal mounting plate is provided with a fixing plate, which has a protruding threaded post that mates with the threaded hole at the bottom of the thermal battery holder for fixation.

[0042] A mounting base with a fixed electromagnetic chuck is installed in the center of the slider. The shape of the fixed electromagnetic chuck corresponds to the type of the selected electromagnetic chuck. A circular groove is provided at the lower end of the mounting base to fix the falling ball attracted by the magnetic force generated by the electromagnetic chuck.

[0043] The electromagnetic chuck conforms to any one of type A-E in GB / T14534. The electromagnetic chuck is installed and fixed in the slider electromagnetic chuck fixing seat. It generates magnetic force when energized and the magnetic force disappears when the power is turned off.

[0044] The falling ball is a solid stainless steel ball. On the side of the falling ball, there is an S1 electrode lead of the activation system that is bonded and fixed with conductive tape. The falling ball and the S1 electrode lead are in good contact and conduction, and the ball is attracted and fixed in the circular groove by an electromagnetic chuck.

[0045] The bottom of the thermal battery mounting base is provided with a threaded hole, which matches the threaded post protruding from the mounting plate on the horizontal mounting plate. The upper end of the thermal battery mounting base is provided with a round hole, the diameter of which is the same as the diameter of the thermal battery. The thermal battery is installed in the round hole, with the end with the electrode post facing downward and the end with the cap facing upward. There is an opening on each side of the upper end of the thermal battery mounting base for leading out the positive and negative leads of the thermal battery.

[0046] The firing pin holder has a through central hole with a diameter larger than that of the firing pin, which is used to position the firing pin. The bottom of the firing pin holder has a round hole with a diameter the same as that of the thermal battery. The firing pin holder is installed on the upper part of the thermal battery.

[0047] The firing pin is installed and fixed in the center hole of the firing pin holder. The part of the firing pin with a tapered angle faces downward and contacts the thermal battery cap. The part of the firing pin that protrudes from the center hole of the firing pin holder is bonded and fixed with conductive tape to the S2 electrode lead of the activation system. The firing pin and the S2 electrode lead have good contact and conduction.

[0048] The ball that is attracted and fixed in the circular groove of the electromagnetic chuck holder and the firing pin fixed in the firing pin holder are concentric in the vertical direction (the center of the ball and the firing pin are on the same straight line).

[0049] The scale is fixed on a vertical triangular mounting plate, with its direction consistent with the sliding direction of the guide rail. The zero point of the scale is located at the lower end, on the same horizontal plane as the upper end of the firing pin. When the slider slides on the vertical guide rail, the scale pointer can indicate the scale.

[0050] This invention also provides an apparatus for measuring the activation time of a mechanically activated thermal battery. The apparatus includes the aforementioned components, as well as an activation system, an electronic load, and a data acquisition system. The activation system is connected to the S1 and S2 leads and is activated when the S1 and S2 leads are connected by a free-falling ball that contacts the firing pin. The electronic load is connected to the positive and negative terminals of the thermal battery. The data acquisition system is used to acquire the output voltage of the thermal battery, the operating current of the electronic load, and the current of the activation system circuit.

[0051] In this system, leads are welded to the positive and negative terminals of the thermal battery, and the leads are connected to the data acquisition system and the electronic load in a one-to-one correspondence.

[0052] The above-mentioned device can be used to test the activation time of a mechanically activated thermal battery through the following steps:

[0053] (1) Based on the activation energy, calculate the required free fall height of the ball according to the activation energy and the weight of the ball, and fix the slider at the required height indicated by the pointer scale.

[0054] The height of the falling ball is the distance between the bottom of the falling ball, which is attracted and fixed in the circular groove of the electromagnetic chuck fixing seat, and the upper end of the firing pin, which is fixed in the firing pin fixing seat.

[0055] (2) Close the power switch of the electromagnetic chuck to generate magnetic force and place the ball into the circular groove of the fixed seat.

[0056] (3) Set the parameters of the acquisition system, electronic load and activation system according to the discharge test technical requirements, and start the acquisition system, electronic load and activation system at the same time; at the same time, the electromagnetic chuck is de-energized, the magnetic force disappears, and the ball falls freely.

[0057] The acquisition system has a multi-channel acquisition function, acquiring the electronic load It curve, the thermal battery output terminal Ut curve, and the activation system It curve.

[0058] The activation system can provide voltage to match the working load of the activation system, and the activation circuit generates current after the circuit is connected.

[0059] When the acquisition system is started, the electrical signal current of the activation system circuit acquired by the acquisition system is 0 (S1 and S2 are in an open circuit state).

[0060] The system is activated, and the output voltage of the thermal battery is 0 (the thermal battery is not activated).

[0061] The system is activated, and the electronic load operating current is measured to be 0 (the hot battery is not activated).

[0062] The data acquisition system is started, and the data acquisition time is continuously counted from 0 to t.

[0063] (4) When the ball falls freely and comes into contact with the firing pin, S1 and S2 are connected instantly. After the ball is bounced away, S1 and S2 are disconnected instantly. At this moment, the acquisition system acquires the instantaneous current pulse signal I1 generated by the activation system circuit at time t1.

[0064] The moment when the acquisition system acquires the pulse current pulse signal generated by the activation system circuit indicates that the firing pin is about to strike the spark cap, and this moment is taken as the activation zero point of the activation time.

[0065] (5) The falling ball hits the firing pin, and the firing pin hits the ignition cap, which ignites the ignition and heating materials inside the thermal battery. The thermal battery is activated, and the voltage rises. The data acquisition system collects the voltage at the output terminal of the thermal battery at time t2, which is the voltage at which the thermal battery reaches the lower limit of its operation. Then, the activation time of the mechanically activated thermal battery is t. 激活 =t2-t1.

[0066] (6) After the thermal battery voltage rises and becomes capable of carrying a load, the electronic load is applied according to the set load conditions, and the thermal battery voltage decreases non-linearly. When the acquisition system collects data at time t3, the voltage drops to the lower operating limit voltage. Then, the mechanical activation time of the thermal battery is t. 工作 =t3-t1.

[0067] The following is combined Figure 1-3 Specific embodiments of the present invention will be further described, but the scope of protection is not limited thereto.

[0068] Example:

[0069] like Figure 1 As shown, a device for measuring the activation time of a mechanical thermal battery includes a horizontal mounting plate 1, a vertical triangular mounting plate 16, a guide rail 8, a slider 14, an electromagnetic chuck 12, a scale 15, a scale pointer 13, a firing pin 17, a firing pin fixing seat 6, a thermal battery fixing seat 4, and a thermal battery 5. The horizontal mounting plate 1 and the vertical triangular mounting plate 16 are fixedly connected by screws and nuts. The guide rail 8 is installed in the vertical direction of the vertical triangular mounting plate 16. The slider 14 is installed on the guide rail 8, and the scale pointer 13 is installed on the side of the slider 14. The slider 14 can slide vertically on the vertical guide of the guide rail 8 and is fixed when it slides to the desired height indicated by the scale pointer 13. The horizontal mounting plate is provided with a positioning plate 2, which has a protruding threaded post that is connected and fixed with the threaded hole at the bottom of the thermal battery fixing seat 4.

[0070] The slider is equipped with a fixing seat 11 with a fixed electromagnetic chuck. The lower end of the fixing seat 11 is provided with a circular groove with a diameter of 10mm, which is used to fix the falling ball 9 that is magnetically attracted by the electromagnetic chuck 12.

[0071] The electromagnetic chuck 12 is a round chuck of type A in GB / T14534, with a maximum suction force of 15KG. The electromagnetic chuck is installed and fixed in the electromagnetic chuck fixing base 11.

[0072] The falling ball 9 is a solid stainless steel ball weighing 10g. On the side of the falling ball, there is an S1 electrode lead 10 of the activation system, which is bonded and fixed with copper foil or aluminum foil conductive tape. The falling ball 9 and the S1 electrode lead 10 are in good contact and conduction, and are attracted and fixed in the circular groove by the electromagnetic chuck 12.

[0073] The bottom of the thermal battery mounting base 4 is provided with a threaded hole, which matches the threaded post protruding from the mounting plate on the horizontal mounting plate. The upper end of the thermal battery mounting base 4 is provided with a round hole with a diameter of φ30mm and made of aluminum alloy. Each side of the upper end of the thermal battery mounting base 4 is provided with an opening with a diameter of φ15mm for leading out the positive and negative leads of the thermal battery.

[0074] The thermal battery 5 has an external dimension of φ30mm, a height of 55mm, and a pole height of 5mm. The thermal battery 5 is installed in the φ30mm hole of the thermal battery mounting base 4, with the end with the pole facing downwards and the end with the spark cap facing upwards. The spark cap is an LZ76A needle detonator with an effective piercing area of ​​φ3mm.

[0075] The positive and negative terminals of thermal battery 5 are respectively welded with output and acquisition leads, which are then connected one-to-one with the acquisition system and electronic load system, such as... Figure 2 As shown.

[0076] The firing pin holder 6 is made of aluminum alloy and has a through central hole with a diameter of φ3.1mm and an inner wall roughness of 1.6μm. The central hole is used to place and fix the firing pin 17.

[0077] The firing pin 17 is made of carbon steel, with a diameter of φ3.0mm, a height of 35mm, and a cone angle of 23.3°. The firing pin 17 is placed in the center hole of the firing pin holder 6, with the cone-angled portion of the firing pin contacting the center of the cap of the thermal battery 5. The activation system S2 electrode lead 7 is wrapped around the portion of the firing pin 17 outside the center hole of the firing pin holder 6 and secured with copper or aluminum foil conductive tape to ensure good contact and conductivity between the firing pin 17 and the S2 electrode lead 7.

[0078] The ball 9, which is adsorbed and fixed in the circular groove of the electromagnetic chuck fixing seat 11, and the firing pin 17, which is fixed in the firing pin fixing seat 6, are concentric in the vertical direction.

[0079] The above-mentioned apparatus for determining the activation time of mechanically activated thermal batteries was used to determine the activation time of mechanically activated thermal batteries. The technical requirements for the thermal battery under test were: activation method: needle stimulation activation; activation energy: 100 g•cm; operating voltage: 10V~14V; operating current: 300mA. The test method is as follows:

[0080] (1) Based on the activation energy of 100 g•cm and the weight of the falling ball 9 of 10 g, the height of the free fall of the falling ball 9 is calculated to be 10 cm. The zero mark of the scale 15 and the upper surface of the firing pin 17 are on the same horizontal plane. Slide the slider to the 12 cm mark of the scale indicated by the pointer (the fixed vertical distance between the bottom of the falling ball 9 and the pointer 13 of the scale is 2 cm).

[0081] The height of the falling ball 9 is the distance between the bottom of the falling ball 9, which is adsorbed and fixed in the circular groove of the electromagnetic chuck fixing seat 11, and the upper end of the firing pin, which is fixed in the firing pin fixing seat 6.

[0082] (2) Connect each lead of the 5th pole of the thermal battery to the acquisition system and the electronic load respectively; close the power switch of the electromagnetic chuck 12 to generate magnetic force and put the ball 9 into the circular groove of the electromagnetic chuck fixing seat 11.

[0083] (3) Set the upper limit of the voltage of the thermal battery 5 output terminal of the acquisition system to 20V, the acquisition time length to 500s, the working current of the electronic load to I2 to 300mA, and set the activation system voltage to 10V and the load to 50Ω.

[0084] (4) Simultaneously, the activation system and electronic load are activated, the activation system starts working, the acquisition system starts to acquire the output voltage of the thermal battery, the working current of the electronic load, the current of the activation system circuit, and the acquisition timing is continuously in progress, from 0 to t; at the same time, the electromagnetic chuck 12 is de-energized, the magnetic force disappears, and the falling ball 9 falls freely.

[0085] (5) When the ball 9 falls freely and comes into contact with the firing pin 17, the activation S1 pole and the activation S2 pole are connected instantly. After the ball is bounced away, the activation S1 pole and the activation S2 pole are disconnected instantly. At this moment, the acquisition system acquires the instantaneous current pulse signal I1 generated by the activation system circuit at time t1, which is 200mA. It then becomes 0mA instantly (the matching voltage of the activation system is 10V, the load is 50Ω, the current is 200mA when the closed circuit is formed, and the current is 0mA after the circuit is broken).

[0086] (6) When ball 9 strikes firing pin 17, the firing pin ignites the burner cap, igniting the ignition and heating materials inside the thermal battery. The thermal battery is activated, and the voltage rises. The data acquisition system collects data at time t2, showing that the output voltage of the thermal battery reaches the lower operating limit voltage U2 of 10V. The activation time of the thermal battery by the firing pin is calculated to be t. 激活 =t2-t1.

[0087] (7) The data acquisition system collected data showing that the thermal battery voltage dropped to the lower operating limit U2 of 10V at time t3. The working time of the needle-stimulated thermal battery was calculated to be t. 工作=t3-t1.

[0088] Figure 3 A schematic diagram of the acquired electrical signal obtained according to the above test method is shown.

[0089] The above description is merely a detailed description of the embodiments of this utility model, but the utility model is not limited thereto. Without departing from the concept of this utility model, those skilled in the art can make various equivalent modifications or substitutions to the embodiments of this utility model, and all such modifications or substitutions should be within the protection scope of this utility model.

Claims

1. A component for measuring the activation time of a mechanically activated thermal cell, characterized in that, The components include: The part set on the horizontal mounting plate, and The portion mounted on the vertical triangular mounting plate. in, The portion disposed on the horizontal mounting plate includes: A thermal battery holder is used to secure a thermal battery with the end containing the flame cap facing upwards and the end containing the positive and negative terminals facing downwards; and A firing pin holder is provided on the end of the thermal battery with the spark cap, for vertically fixing the firing pin. The firing pin has a first conductive lead. The portion disposed on the vertical triangular mounting plate includes: A guide rail with a scale is fixed to a vertical triangular mounting plate, the guide rail being positioned vertically above the firing pin; A slider mounted on a guide rail and equipped with a scale pointer; A mounting bracket installed in the center of the slider to hold the falling ball in place; and A drop ball is releasably fixed in a mounting base, the drop ball having a second conductive lead and positioned vertically directly above the firing pin.

2. The component according to claim 1, characterized in that, The vertical triangular mounting plate and the horizontal mounting plate are fixedly connected by screws and nuts.

3. The component according to claim 1, characterized in that, The ball is fixed in the circular groove at the lower end of the mounting base by the magnetic force generated by the electromagnetic chuck, and falls freely when the magnetic force disappears after the electromagnetic chuck is de-energized.

4. The component according to claim 1, characterized in that, The distance between the bottom of the ball and the top of the firing pin, i.e. the height of the ball's free fall, is calculated from the activation energy of the thermal battery and the weight of the ball.

5. The component according to claim 1, characterized in that, The second conductive lead is bonded and fixed to the drop ball side by conductive tape.

6. The component according to claim 1, characterized in that, The firing pin holder has a through central hole with a diameter larger than that of the firing pin, which is used to position the firing pin. The bottom of the firing pin holder has a circular hole with a diameter the same as that of the thermal battery.

7. The component according to claim 1, characterized in that, The firing pin is installed and fixed at the center hole of the firing pin holder. The part of the firing pin with a tapered angle faces downward and contacts the thermal battery cap. The part of the firing pin that protrudes from the center hole of the firing pin holder is bonded and fixed with conductive tape to the first conductive lead.

8. The component according to claim 1, characterized in that, The scale direction is consistent with the sliding direction of the guide rail. The zero point of the scale is located at the lower end, which is on the same horizontal plane as the upper end of the firing pin. When the slider slides on the vertical guide rail, the scale pointer can indicate the scale.

9. The component according to claim 1, characterized in that, The horizontal mounting plate is provided with a fixing plate, which has protruding threaded posts that are connected and fixed to the threaded holes at the bottom of the thermal battery mounting base.

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