CN110854398B - Passive thermal battery activation device - Google Patents
Passive thermal battery activation device Download PDFInfo
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- CN110854398B CN110854398B CN201911068328.6A CN201911068328A CN110854398B CN 110854398 B CN110854398 B CN 110854398B CN 201911068328 A CN201911068328 A CN 201911068328A CN 110854398 B CN110854398 B CN 110854398B
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M6/00—Primary cells; Manufacture thereof
- H01M6/30—Deferred-action cells
- H01M6/32—Deferred-action cells activated through external addition of electrolyte or of electrolyte components
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M6/00—Primary cells; Manufacture thereof
- H01M6/50—Methods or arrangements for servicing or maintenance, e.g. for maintaining operating temperature
- H01M6/5088—Initial activation; predischarge; Stabilisation of initial voltage
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
Abstract
The invention discloses a passive thermal battery activation device which comprises a current conversion unit, a signal identification unit, a control unit, an energy storage unit and an electric ignition head, wherein the current conversion unit is connected with the signal identification unit, the signal identification unit is connected with the control unit, the control unit is connected with the energy storage unit, and the energy storage unit is connected with the electric ignition head. The passive thermal battery activation device improves the input signal identification capability and the electric pulse signal stable output capability of the activation device, and has the characteristics of small volume, interference resistance and stable performance.
Description
Technical Field
The invention belongs to the technical field of thermal battery application, and particularly relates to a passive thermal battery activation device.
Background
In the beginning of the 20 th century, thermal batteries were proposed by the german scholars Erb and applied to rockets; in the 40 s of the 20 th century, thermal batteries were developed and applied to weapon systems to replace aqueous electrolyte batteries; in the 50 s of the 20 th century, the united states Sandia laboratory applied thermal batteries to nuclear weapons; in the 60 s of the 20 th century, the energy and the service life of a thermal battery are improved by a sheet type process and application of a heat insulation material; in the 20 th century and the 80 th era, various system thermal batteries are produced and various performance indexes are improved, and the thermal batteries have the advantages of large specific energy, high specific power, reliable action, wide temperature range of use environment and the like, so that the thermal batteries are widely applied to modern weapons such as fuses, missiles, torpedoes and the like.
The thermal battery comprises a battery reactor and an activation device, in a normal state, the battery reactor is in a non-working state, the internal medium does not carry out chemical reaction, and after the activation device receives an activation signal, the battery reactor carries out chemical reaction to convert heat energy into direct current voltage and current required by electric energy output. The thermal battery activation device is divided into two types according to the activation mode: one is activated by an electric signal, the activation device generates the electric signal to act on the electric ignition head, and the ignition paper is ignited to enable the battery reactor to carry out chemical reaction and release electric energy; the other is mechanical activation, and the activation device is impacted by external force to ignite the ignition paper so as to lead the battery reactor to carry out chemical reaction and release electric energy.
Thermal battery mechanical activation mode, the activation device structure is independent, and convenient to detach and inspection are favorable to projectile self maintenance and maintenance, but at the activation device in the impact process of igniting the ignition paper, the battery reactor structure is destroyed easily, leads to the high temperature high pressure gas that inside chemical reaction produced to reveal, produces the influence to weapon system electronic components on the one hand, and on the other hand battery reactor energy conversion output is unstable.
The electric signal activation mode of the thermal battery has small volume of the electric ignition head, saves space for a battery reactor and improves the volumetric specific energy of the thermal battery. With the miniaturization of fuses, the miniaturized design of thermal batteries is also very important, so that the electric activation mode of the thermal batteries becomes a research hotspot.
The electric activation mode of the thermal battery can be divided into two types according to the circuits of an activation device, one type is the activation device consisting of passive devices, and the passive circuit has the characteristics of small volume and stable device performance, but the anti-interference and signal identification capabilities of the passive circuit need to be improved; the other type is an activation device composed of active devices, an active circuit can accurately identify activation signals and stably output high-precision electric signals, but active components can reliably work only when being powered by an external power supply, the space of a weapon system is limited, if the activation device adopts the active circuit, additional power supply is needed, the space is increased, and the design complexity of the whole platform is increased.
Disclosure of Invention
The invention aims to overcome the defects of the prior art, provides a passive thermal battery activation device, improves the input signal identification capability and the stable electric pulse signal output capability of the activation device, and has the characteristics of small volume, interference resistance and stable performance.
The purpose of the invention is realized by the following technical scheme:
a passive thermal battery activation device comprises a current conversion unit, a signal identification unit, a control unit, an energy storage unit and an electric ignition head, wherein the current conversion unit is connected with the signal identification unit; the current conversion unit completes current conversion based on the received input control signal and inputs the converted current signal into the value signal identification unit; the signal identification unit identifies an input signal and filters an interference signal based on the input current signal, and sends the activation signal to the control unit; the control unit controls the energy storage unit to discharge based on the activation signal, and the electric ignition head is activated through an electric pulse signal generated by the energy storage unit.
According to a preferred embodiment, the current converting unit includes two mirroring triodes V1 and V2 and resistors R1 and R2, wherein the triode V1 and the triode V2 constitute a mirroring triode, a collector of the triode V1 and a collector of the triode V2 are connected to a positive electrode of the signal input terminal, an emitter of the triode V1 is connected in series with the resistor R1 and the resistor R2, and the other end of the resistor R2 is connected to a negative electrode of the signal input terminal; and an emitter of the triode V2 is connected with the signal identification unit.
According to a preferred embodiment, the transistors V1 and V2 are NPN transistors or PNP transistors.
According to a preferred embodiment, the resistor R1 and/or the resistor R2 are resistors with adjustable resistance.
According to a preferred embodiment, the signal identification unit is composed of resistors R3, R4, R5, a capacitor C1 and a field effect transistor V3; one end of the resistor R3 is connected with an emitting electrode of a triode V2 in the current conversion unit, and the other end of the resistor R3 is connected with the resistor R4 and a drain electrode of the field effect transistor V3; the other end of the resistor R4 is respectively connected with the grid of the field effect transistor V3, the resistor R5 and the capacitor C1, wherein the other ends of the resistor R5 and the capacitor C1 are connected with the cathode of the signal input end; and the source electrode of the field effect tube V3 is connected with the control unit.
According to a preferred embodiment, the control unit comprises a resistor R6, a capacitor C2, a triode V4 and a relay K, wherein a base of the triode V4, the resistor R6 and the capacitor C2 are respectively connected with a source electrode of the field effect transistor V3, the other ends of the resistor R6 and the capacitor C2 are connected with a negative electrode of the signal input terminal, and an emitter electrode of the triode V4 is connected with the negative electrode of the signal input terminal; and the collector of the triode V4 is connected with the relay K, and the conduction control of the electric ignition head and the energy storage unit is completed through the relay K.
According to a preferred embodiment, the energy storage unit is composed of a capacitor C3, one end of the capacitor C3 is connected with a resistor R3, and the other end is connected with the negative electrode of the signal input end.
According to a preferred embodiment, the electric ignition head comprises an electric ignition head a, and two ends of the electric ignition head a are respectively connected with two ends of a capacitor C3.
According to a preferred embodiment, the resistance R3 is an adjustable resistor.
The main scheme and the further selection schemes can be freely combined to form a plurality of schemes which are all adopted and claimed by the invention; in the invention, the selection (each non-conflict selection) and other selections can be freely combined. The skilled person in the art can understand various combinations according to the prior art and the common general knowledge after understanding the solution of the present invention, and the combinations are all the technical solutions to be protected by the present invention, and are not exhaustive here.
The invention has the beneficial effects that:
(1) The volume is small: the devices used by the circuit of the activation device are passive devices, the rest devices except the relay device can be surface-mounted devices, and the size of the circuit printed board can be 30mm in diameter, so that the circuit printed board is beneficial to installation and universality;
(2) Anti-interference: the signal can be generally characterized by current, voltage and time width, and in the present invention: the current conversion unit can identify the current characteristics of the input signal, the signal identification unit can identify the voltage and time width characteristics of the input signal, and the input signal can be identified by designing the current conversion unit and the signal identification unit so as to filter out interference signals;
(3) The performance is stable: the thermal battery activation device designed by the invention has the advantages of simple structure, few components and parts and increased reliability and stability; the thermal battery activation device designed by the invention has stable output signal generation time and signal energy, the characteristics of the output signal can be adjusted by designing the control unit and the energy storage unit, and the parameters of the circuit device are designed according to the activation energy of the electric ignition head to stabilize the output signal;
(4) The cost is low: the thermal battery activation device designed by the invention has few types of components and parts and is a universal device, so the thermal battery activation device has the advantage of low cost.
Drawings
FIG. 1 is a schematic diagram showing the connection of functional modules of the apparatus of the present invention;
FIG. 2 is a circuit schematic of the apparatus of the present invention;
the device comprises a 1-current conversion unit, a 2-signal identification unit, a 3-control unit, a 4-energy storage unit and a 5-electric ignition head.
Detailed Description
The embodiments of the present invention are described below with reference to specific embodiments, and other advantages and effects of the present invention will be easily understood by those skilled in the art from the disclosure of the present specification. The invention is capable of other and different embodiments and of being practiced or of being carried out in various ways, and its several details are capable of modification in various respects, all without departing from the spirit and scope of the present invention. It is to be noted that the features in the following embodiments and examples may be combined with each other without conflict.
It should be noted that, in order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some embodiments of the present invention, but not all embodiments.
Thus, the following detailed description of the embodiments of the present invention is not intended to limit the scope of the invention as claimed, but is merely representative of selected embodiments of the invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in a figure, it need not be further defined and explained later.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. indicate orientations and positional relationships that are conventionally used in the products of the present invention, and are used merely for convenience in describing the present invention and for simplicity in description, but do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed in a particular orientation, and be operated, and therefore, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," "third," and the like are used solely to distinguish one from another, and are not to be construed as indicating or implying relative importance.
Furthermore, the terms "horizontal", "vertical", "suspended" and the like do not imply that the components are absolutely horizontal or suspended, but may be slightly inclined. For example, "horizontal" merely means that the direction is more horizontal than "vertical" and does not mean that the structure must be perfectly horizontal, but may be slightly inclined.
In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
In addition, it should be noted that, in the present invention, if the specific structures, connection relationships, position relationships, power source relationships, and the like are not written in particular, the structures, connection relationships, position relationships, power source relationships, and the like related to the present invention can be known by those skilled in the art without creative work on the basis of the prior art.
Example 1:
referring to fig. 1, there is shown a passive type thermal battery activation device including a current conversion unit 1, a signal recognition unit 2, a control unit 3, an energy storage unit 4, and an electric ignition head 5.
Preferably, the current conversion unit 1 is used for converting input signal current and converting external input signal current into the same numerical value.
Preferably, the signal recognition unit 2 is used to recognize the normal activation signal and filter out the interference signal. The interference signal mainly refers to high-frequency interference which is characterized by short pulses and random signals with different amplitudes. The signal identification unit 2 is realized by an RC network and a field effect transistor circuit, and can effectively filter short pulses and random interference signals with different amplitudes.
Preferably, the energy storage unit 4 is composed of an energy storage capacitor, stores energy by an activation signal, and the control unit 3 is composed of a triode and a relay, controls the energy storage unit to discharge, and generates an electric pulse signal to act on the electric igniter 5 to activate the electric igniter 5.
Preferably, the current conversion unit 1 is connected to the signal identification unit 2, the signal identification unit 2 is connected to the control unit 3, the control unit 3 is connected to the energy storage unit 4, and the energy storage unit 4 is connected to the electric igniter 5.
Preferably, the current conversion unit 1 performs current conversion based on the received inputted control signal and inputs the converted current signal to the value signal recognition unit 2.
Preferably, the signal recognition unit 2 recognizes the input signal to complete the activation signal recognition and the interference signal filtering based on the input current signal, and sends the activation signal to the control unit 3.
Preferably, the control unit 3 controls the energy storage unit 4 to discharge based on the activation signal, and the activation of the electric ignition head 5 is completed through an electric pulse signal generated by the energy storage unit 4 by discharging.
Further, as shown in fig. 2, a schematic circuit diagram of the present apparatus is shown.
Preferably, the current conversion unit 1 includes diodes V1 and V2 and resistors R1 and R2. The triode V1 and the triode V2 form a mirror image triode. And the collecting electrodes of the triode V1 and the triode V2 are connected with the anode of the signal input end, the emitting electrode of the triode V1 is connected with the resistor R1 and the resistor R2 in series, and the other end of the resistor R2 is connected with the cathode of the signal input end. And the emitter of the triode V2 is connected with the signal identification unit 2. The resistance R1 and/or the resistance R2 is an adjustable resistor.
Furthermore, the triode V1 and the triode V2 form a mirror triode which has the characteristic of constant current and converts current into I 1 For example, when the input signal at the signal input terminal is U 1 Then adjusting the R1 and R2 parameters, I 1 ≈U 1 /(R 1 +R 2 ) Can realize the output I of the current conversion unit 1 。
Therefore, the current conversion unit 1 can convert and identify the current characteristics of the input signal at the signal input end, convert the current of the input signal into a fixed value according to the design requirement, and convert the input signal into the fixed value, which is helpful for the signal identification unit to identify the voltage characteristics and the pulse width characteristics more accurately.
Preferably, the signal identification unit 2 is composed of resistors R3, R4, R5, a capacitor C1, and a field effect transistor V3. One end of the resistor R3 is connected with an emitting electrode of the triode V2 in the current conversion unit 1, and the other end of the resistor R3 is connected with the resistor R4 and a drain electrode of the field effect transistor V3. The other end of the resistor R4 is respectively connected with a grid electrode of the field effect transistor V3, a resistor R5 and a capacitor C1, wherein the other ends of the resistor R5 and the capacitor C1 are connected with the negative electrode of the signal input end; the source electrode of the field effect transistor V3 is connected with the control unit 3. The resistor R3 is an adjustable resistor.
Further, setting a V3 threshold turn-on voltage U of the field effect transistor th When U is formed 1 (R 5 /(R 4 +R 5 ))≥U th And the width T of the input signal is more than or equal to T th ≈(3～4)R 4 C 1 When the signal is normal, the field effect transistor V3 recognizes the signal as a normal activation signal. The interference signal generally comprises conducted interference and radiated interference, the conducted interference signal of the thermal battery system is characterized by low amplitude and long pulse width, and the voltage identification unit sets a threshold value U th Such interference can be filtered out. The radiation interference is characterized by random amplitude, narrow pulse width and time threshold T set by RC network th Such interference can be filtered out, and thus, the signal identification unit parameters can correctly identify the activation signal and filter out the interference signal.
Preferably, the control unit 3 includes a resistor R6, a capacitor C2, a transistor V4, and a relay K. The base electrode of the triode V4, the resistor R6 and the capacitor C2 are respectively connected with the source electrode of the field effect transistor V3, the other ends of the resistor R6 and the capacitor C2 are connected with the negative electrode of the signal input end, and the emitting electrode of the triode V4 is connected with the negative electrode of the signal input end. And the collector of the triode V4 is connected with the relay K, and the conduction control of the electric ignition head 5 and the energy storage unit 4 is completed through the relay K.
Further, let FET V3 on-resistance be R on Triode V4 base input current I 2b If the amplification factor of V4 is beta, the collector electrode of V4 is electrically connected to 2c ＝βI 2b V4 emitter current I 2e ＝(β+1)I 2b Let V4 base-emitter junction voltage U BE Resistance value R of electric igniter A ，I 2b Calculating according to kirchhoff's law: u shape 1 R 6 /(R on +R 6 )＝I 2b (R on //R 6 )+U BE +I 2c R A If I is 2c ≥I th (relay K switches on the electric current), relay K switches on, and the control unit provides the energy release route for the energy storage unit, forms the discharge pulse and acts on electric ignition head A, can design the control unit action condition through selecting triode V4 and relay K parameter.
The signal identification unit 2 and the control unit 3 adopt a field effect transistor and triode emission structure, the field effect transistor V3 is a pressure control device, the triode V4 is a flow control device, the pressure control device can set a threshold value to filter out interference signals, the flow control triode V4 has the function of amplifying current to accelerate the conduction of the relay K, and the energy release efficiency of the energy storage unit 4 is improved.
And the current conversion unit 1, the signal identification unit 2 and the control unit 3 are combined to be arranged, so that the input signal can be effectively identified.
Preferably, the energy storage unit 4 is composed of a capacitor C3, one end of the capacitor C3 is connected with the resistor R3, and the other end is connected with the negative electrode of the signal input end.
Further, when the control unit 3 is activated, the capacitor C3 generates an electric pulse signal to act on the electric igniter a, and the electric signal is generated at time t 1 ≈(3～4)(R 4 C 1 +R on C 2 +R 3 C 3 )+t 2 In the formula (R) 4 C 1 +R on C 2 +R 3 C 3 ) Charging time constant for RC network, (3-4) times time constant to reach stable voltage, t 2 The action time of the relay K is shown. Amplitude of electrical signal U 2 ＝U 1 -I 1 R 3 -U th1 In which I 1 R 3 Is R 3 Dividing voltage by resistance, regulating R 3 Can adjust the generation time of the electric signal, U th1 ＝U th (R 4 +R 5 )/R 5 And when the grid-source voltage of the field effect tube is lower than the starting voltage, the control unit controls the energy storage unit to stop releasing energy.
Preferably, the electric ignition head 5 comprises an electric ignition head a, and two ends of the electric ignition head 5A are respectively connected with two ends of the capacitor C3.
Further, according to the characteristic amplitude U of the electric pulse signal released by the energy storage unit 2 Calculating the energy of the electric pulse signal, E =0.5C 3 U 2 2 Combined with electrical ignition head activation energy E th When E is>E th When the battery is activated, the thermal battery is activated.
The thermal battery is connected into a weapon system, is easy to be interfered when working in a complex environment, and requires an activation device with anti-interference capability to avoid false operation of the thermal battery, and the anti-interference capability is designed in two aspects, on one hand, the thermal battery is designed with an interface of the weapon system, and the interface design can filter out interference signals with larger energy; on the other hand, the activation device is required to have anti-interference capability, high-frequency random signals need to be filtered, the amplitude of the signals is random, and the pulse width is narrow.
The signal identification unit 2 in the invention can identify the amplitude and pulse width characteristics of the input signal, and can filter out high-frequency random interference through an amplitude threshold and a pulse width threshold. The output pulse energy of the activation device is controllable, and parameters of the energy storage unit 4 and the identification unit 2 can be designed according to a manual of the electric ignition head 5, so that reliable activation performance is guaranteed. Furthermore, compared with the traditional activation device which needs both a control signal and an energy storage signal, the thermal battery activation device can realize the identification of the control signal and the charging of the energy storage unit only by one signal, thereby reducing the complexity of an interface, saving the design cost and improving the universality.
The foregoing basic embodiments of the invention and their various further alternatives can be freely combined to form multiple embodiments, all of which are examples of what the invention can employ and claim. In the scheme of the invention, each selection example can be combined with any other basic example and selection example at will. Numerous combinations will be known to those skilled in the art.
The above description is intended to be illustrative of the preferred embodiment of the present invention and should not be taken as limiting the invention, but rather, the intention is to cover all modifications, equivalents, and alternatives falling within the spirit and scope of the invention.
Claims (7)
1. A passive thermal battery activation device is characterized by comprising a current conversion unit (1), a signal identification unit (2), a control unit (3), an energy storage unit (4) and an electric ignition head (5), wherein the current conversion unit (1) is connected with the signal identification unit (2), the signal identification unit (2) is connected with the control unit (3), the control unit (3) is connected with the energy storage unit (4), and the energy storage unit (4) is connected with the electric ignition head (5);
wherein the current conversion unit (1) completes current conversion based on the received input activation signal and inputs the converted current signal to the signal identification unit (2);
the current conversion unit (1) comprises two mirroring triodes V1 and V2 and resistors R1 and R2, wherein the triode V1 and the triode V2 form a mirroring triode, a collector of the triode V1 and a collector of the triode V2 are connected with the positive electrode of the signal input end, an emitter of the triode V1 is connected with the resistor R1 and the resistor R2 in series, and the other end of the resistor R2 is connected with the negative electrode of the signal input end; an emitting electrode of the triode V2 is connected with the signal identification unit (2);
the signal identification unit (2) is composed of resistors R3, R4 and R5, a capacitor C1 and a field effect tube V3; one end of the resistor R3 is connected with an emitting electrode of a triode V2 in the current conversion unit (1), and the other end of the resistor R3 is connected with a resistor R4 and a drain electrode of the field effect transistor V3; the other end of the resistor R4 is respectively connected with the grid of the field effect transistor V3, the resistor R5 and the capacitor C1, wherein the other ends of the resistor R5 and the capacitor C1 are connected with the cathode of the signal input end; the source electrode of the field effect tube V3 is connected with the control unit (3);
v3 threshold opening voltage U of field effect transistor th When U is formed 1 (R 5 /(R 4 +R 5 ))≥U th And satisfies the requirement that the input signal width T is more than or equal to T th ≈(3～4)R 4 C 1 When the signal is a normal activation signal, the field effect tube V3 identifies the signal as a normal activation signal;
the signal identification unit (2) identifies an input signal and filters an interference signal based on the input current signal, and sends the activation signal to the control unit (3);
the control unit (3) controls the energy storage unit (4) to discharge based on the activation signal, and the electric ignition head (5) is activated through an electric pulse signal generated by the energy storage unit (4) through discharging.
2. A passive thermal battery activation device according to claim 1, wherein the transistor V1 and the transistor V2 are NPN transistors or PNP transistors.
3. A passive thermal battery activation device as claimed in claim 1, in which the resistance R1 and/or the resistance R2 is an adjustable resistance.
4. A passive thermal battery activation device, according to claim 1, characterized in that said control unit (3) comprises a resistor R6, a capacitor C2, a transistor V4 and a relay K,
the base electrode of the triode V4, the resistor R6 and the capacitor C2 are respectively connected with the source electrode of the field effect transistor V3, the other ends of the resistor R6 and the capacitor C2 are connected with the negative electrode of the signal input end, and the emitting electrode of the triode V4 is connected with the negative electrode of the signal input end;
and the collector of the triode V4 is connected with the relay K, and the conduction control of the electric ignition head (5) and the energy storage unit (4) is completed through the relay K.
5. A passive thermal battery activation device as claimed in claim 4, in which the energy storage unit comprises a capacitor C3, the capacitor C3 being connected to the resistor R3 at one end and to the negative pole of the signal input at the other end.
6. The passive type thermal battery activation device according to claim 5, wherein the electric ignition head (5) comprises an electric ignition head A, and both ends of the electric ignition head A are connected to both ends of the capacitor C3, respectively.
7. A passive thermal battery activation device as claimed in claim 6, in which the resistor R3 is an adjustable resistor.
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2019
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