CN213959957U - Fire extinguishing bomb fuse energy storage power supply system - Google Patents
Fire extinguishing bomb fuse energy storage power supply system Download PDFInfo
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- CN213959957U CN213959957U CN202023074028.XU CN202023074028U CN213959957U CN 213959957 U CN213959957 U CN 213959957U CN 202023074028 U CN202023074028 U CN 202023074028U CN 213959957 U CN213959957 U CN 213959957U
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Abstract
The utility model provides a fire extinguishing bomb detonator energy storage power supply system, including charge-discharge control circuit, charge-discharge control circuit is connected with power conversion circuit, and power conversion circuit is connected with protection circuit, and protection circuit is connected with the energy storage subassembly, and the energy storage subassembly is connected with detonation control circuit and detonator control circuit respectively. The utility model discloses a design farad electric capacity energy storage for fuze control circuit with explode the control circuit power supply, improved the security of fire extinguishing bomb in production assembly, warehousing and transportation and use, avoid the fire extinguishing bomb mistake to explode and cause the accident to produce economic loss, farad electric capacity replacement battery has prolonged the shelf life after the fire extinguishing bomb produces.
Description
Technical Field
The utility model relates to a fire-fighting equipment's technical field especially relates to a fire extinguishing bomb detonator energy storage power supply system.
Background
In general, water and fire are in no way, and fire disasters can destroy everything without leaving a feeling, so that huge irreparable loss is caused. How fast, effectual putting out a fire, reduce the loss, the instrument of putting out a fire is crucial, if the fire extinguishing apparatus range is too low dynamics not enough, can not effectively send into the fire extinguishing agent key point of putting out a fire, in order effectively to put out a fire, the fire fighter has to carry the equipment and closely approaches the scene of a fire operation, and this has greatly increased fire-fighting operation's danger. The fire extinguishing agent is assembled into a fire extinguishing bomb which is launched into a fire scene in a throwing, air-drop or rocket boosting mode, and long-distance fire extinguishing can be realized.
The fire extinguishing bomb enters a fire scene, the detonator of the fire extinguishing bomb detonates the initiating explosive charge after detecting flame, the fire extinguishing agent is thrown to extinguish fire, and the initiating explosive charge is used as an initiating explosive, although the explosive amount is small, the initiating explosive charge has certain power, and if the initiating explosive charge is mistakenly exploded in the transportation and installation processes, personnel can be injured. The traditional fire extinguishing bomb fuze is powered by a battery, and accidents are caused by short circuit in the assembling process. In the process of transporting and installing the fire extinguishing bomb, the fire extinguishing bomb also needs to be carefully winged to avoid mistaken explosion.
SUMMERY OF THE UTILITY MODEL
Aiming at the technical problems that the traditional fire extinguishing bomb fuze is powered by a battery, short circuit can be caused by a short circuit in the assembling process to cause a false explosion accident, and the use safety is low, and in order to avoid similar accidents, the application provides the fire extinguishing bomb fuze energy storage power supply system, and the fire extinguishing bomb adopting the energy storage power supply system is uncharged in the assembling, transporting and installing processes, so that the safety is high; the fuse is charged when ready for launching or throwing, the fuse can be safely discharged when the launching or throwing is cancelled due to a reason, and the fuse is convenient to withdraw and store after the discharging is completed.
In order to achieve the above purpose, the technical solution of the present invention is realized as follows:
a fire extinguishing bomb fuse energy storage power supply system comprises a charge and discharge control circuit, wherein the charge and discharge control circuit is connected with a power supply conversion circuit, the power supply conversion circuit is connected with a protection circuit, the protection circuit is connected with an energy storage assembly, and the energy storage assembly is respectively connected with a detonation control circuit and a fuse control circuit.
Preferably, the power conversion circuit includes a DC-DC power converter and a switching component, the DC-DC power converter is respectively connected to the external power supply and the switching component, and the switching component is respectively connected to the charging and discharging control circuit and the protection circuit.
Preferably, the protection circuit comprises a self-recovery fuse and a current-limiting resistor, the self-recovery fuse is respectively connected with the switching component and the current-limiting resistor, and the current-limiting resistor is connected with the energy storage component.
Preferably, the energy storage component comprises a farad capacitor, and the farad capacitor is respectively connected with the current-limiting resistor, the detonation control circuit and the fuze control circuit.
Preferably, the farad capacitor is connected with the fuse control circuit through a voltage stabilizing module; the energy-saving circuit comprises a power storage circuit, a power supply switching module, a power supply control circuit, a farad capacitor, a current-limiting resistor, a self-recovery fuse, a switching module, a DC-DC power converter and a charge-discharge control circuit.
Preferably, the switching component is a power semiconductor device, and the power semiconductor device is respectively connected with the DC-DC power converter, the charging and discharging control circuit and the self-recovery fuse.
Preferably, the power semiconductor device is a relay.
Preferably, the power semiconductor device is a MOS transistor or a solid-state relay.
Compared with the prior art, the beneficial effects of the utility model are that:
1. the utility model discloses a design charge-discharge control circuit, DC-DC power converter, switching module, self-resuming fuse, current-limiting resistance and farad electric capacity wholly constitute energy storage circuit, store outside electric energy in farad electric capacity, supply power to fuze control circuit and detonation control circuit by farad electric capacity, when the fuze triggers, the detonation control circuit switches on, surplus electricity in farad electric capacity ignites the ignition head in the twinkling of an eye and detonates the powder charge; when the charging is finished, the emission or the throwing is cancelled, the charging and discharging control signal is invalid, the switching assembly is switched to the common grounding end, and the farad capacitor, the current-limiting resistor and the self-recovery fuse are discharged through the switching assembly, so that the whole process is safe and efficient, and the occurrence of false explosion is avoided;
2. when the utility model is loaded with fire extinguishing bomb, the fuse circuit is not electrified and the safety is high in the process of assembly, transportation and installation; the fuse is charged when ready for launching or throwing, the fuse can be safely discharged when the launching or throwing is cancelled due to a reason, and the fuse is convenient to withdraw and store after the discharging is completed.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a schematic view of the working principle of the present invention.
Fig. 2 is a circuit diagram of the charge and discharge control circuit of the present invention.
Fig. 3 is a circuit diagram of the energy storage power supply of the present invention.
In the figure, 1 is a DC-DC power converter, 2 is a relay, 3 is a self-recovery fuse, 4 is a charge and discharge control circuit, 5 is a current-limiting resistor, 6 is a farad capacitor, and 7 is a voltage stabilizing module.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without any creative effort belong to the protection scope of the present invention.
Example 1: as shown in fig. 1, the fire extinguishing bomb fuse energy storage and power supply system comprises a charge and discharge control circuit 4, wherein the charge and discharge control circuit 4 is connected with a power supply conversion circuit, the power supply conversion circuit is connected with a protection circuit, the protection circuit is connected with an energy storage assembly, and the energy storage assembly is respectively connected with a detonation control circuit and a fuse control circuit.
The power conversion circuit comprises a DC-DC power converter 1 and a switching assembly, wherein the DC-DC power converter 1 is respectively connected with an external power supply and the switching assembly, the DC-DC power converter converts external power supply into 4.5V for a subsequent circuit to use, the switching assembly is respectively connected with a charge-discharge control circuit 4 and a protection circuit, and the switching assembly is used for switching charge/discharge functions.
The protection circuit comprises a self-recovery fuse 3 and a current-limiting resistor 5, the self-recovery fuse is used for avoiding the influence on the safety of the whole system due to the fact that an elastic power supply is short-circuited due to faults, the current-limiting resistor is used for limiting charging and discharging currents and avoiding the damage of original elements due to overlarge charging and discharging currents, the self-recovery fuse 3 is respectively connected with a switching component and the current-limiting resistor 5, and the current-limiting resistor 5 is connected with an energy storage component.
The energy storage assembly comprises a farad capacitor 6 which is an energy storage element and replaces a battery to supply power for the fuze after the fire extinguishing bomb is launched, the farad capacitor 6 is respectively connected with the current limiting resistor 5, the detonation control circuit and the fuze control circuit directly take power from the farad capacitor, instantaneous large current can be provided for the ignition head during detonation, and reliable detonation is guaranteed.
The switching assembly is a power semiconductor device, the power semiconductor device comprises a relay 2, and the relay 2 is respectively connected with a DC-DC power converter 1, a charging and discharging control circuit 4 and a self-recovery fuse 3.
The energy storage circuit is integrally formed by the farad capacitor 6, the current-limiting resistor 5, the self-recovery fuse 3, the switching assembly, the DC-DC power converter 1 and the charge-discharge control circuit 4, when charging is carried out, a charging signal is sent to the charge-discharge control circuit, the charge-discharge control circuit controls the normally open contact of the relay to be attracted, and the external power supply is subjected to DC-DC voltage reduction, then passes through the relay and the self-recovery fuse, and is subjected to current limiting through the current-limiting resistor to charge the farad capacitor on the bomb. Meanwhile, the voltage at the two ends of the farad capacitor is stabilized by the voltage stabilizing module and then supplied to fuse control circuits such as a sensor, a microcontroller and the like for use. After charging, the fire extinguishing bomb is launched or thrown, the missile loading circuit is disconnected with the charge-discharge control circuit, and the voltage stabilizing module is powered by the farad capacitor. When the fuse is triggered, the detonation control circuit is switched on, and farad capacitor residual electricity instantly ignites the ignition head to detonate the explosive charge.
As shown in fig. 2, the charge and discharge control circuit includes a resistor R7 and a capacitor C2, the resistor R7 and the capacitor C2 form an RC filter circuit, an input end of the RC filter circuit receives a charge and discharge signal, a pull-down circuit R1 at an output end of the RC filter circuit prevents malfunction, the pull-down circuit R1 is grounded, an output end of the RC filter circuit is connected with a base of a power transistor Q1, an emitter of the power transistor is grounded, a collector of the power transistor is connected with a coil of a relay K3, the resistor R7, the capacitor C2, the pull-down resistor R1 and a middle power transistor Q1 integrally form a charge and discharge control circuit for driving the relay K3 to perform charge and discharge functions, the relay coil is connected with a VCC end, and a freewheeling diode D1 is connected in parallel to the relay coil, so that Q1 is prevented from being damaged by induced electromotive force generated inside the relay coil at the moment when the power transistor Q1 is switched on and off; the relay normally open contact VCC is grounded, and a self-recovery fuse is arranged between the common end of the relay and the power output end, so that the phenomenon that an original part is burnt due to overlarge current when a charging line is damaged or a charging interface is damaged and short-circuited is avoided; when the fuze bomb does not occur, the common end of the relay is connected with the normally closed contact to discharge, after the charging control circuit receives a transmitting signal before the fuze bomb is ready to be transmitted, the relay is controlled to be closed, the common end of the relay is connected with the normally open contact, and the power supply circuit of the fire extinguishing bomb starts to supply power.
As shown in figure 3, the power supply circuit of the fire extinguishing bomb comprises a current-limiting resistor R24, a farad capacitor C24, a diode D5, a capacitor C21, a capacitor C19, a voltage-stabilizing circuit U5, a capacitor C22 and a capacitor C20, wherein the current-limiting resistor R24 is connected with the positive pole of a power input, the farad capacitor C24, the capacitor C21, the capacitor C19, a voltage-stabilizing circuit U5, the capacitor C22 and the capacitor C20 are sequentially connected in parallel, the positive pole of the farad capacitor C24 is connected with the current-limiting resistor R24 and the power supply terminal VCC, the negative pole of the farad capacitor C24 is connected with the negative pole of the power input, the positive pole of the farad capacitor C24 is connected with the positive pole of the C21 through a diode D5, the current-limiting resistor R24 is used for limiting the current of the power supply circuit, avoiding the false operation of a fuse circuit caused by the too fast voltage change in the charging and discharging process, the farad capacitor is used for storing energy for the power supply of the power supply circuit, the fuse control circuit is used for providing a stable 3.3V power supply for the fuse control relay through the voltage-stabilizing circuit U5, the energy storage of the farad capacitor is charged through the current limiting resistor R24.
The farad capacitor 6, the current-limiting resistor 5, the self-recovery fuse 3, the switching component and the charge-discharge control circuit 4 integrally form an energy release circuit, and if emission or throwing cancellation is carried out after charging is finished, a charge-discharge signal is invalid, the relay bounces open, the normally closed contact is closed, and the common end is grounded. The spring-up farad capacitor discharges through the current-limiting resistor and the self-recovery fuse. At the moment, the current-limiting resistor is used for limiting the discharge current and preventing the discharge current from being overlarge to cause element burnout, and the fuse circuit is uncharged and has higher safety in the assembling, transporting and installing processes of loading the system on the fire extinguishing bomb; the fuse is charged when ready for launching or throwing, the fuse can be safely discharged when the launching or throwing is cancelled due to a reason, and the fuse is convenient to withdraw and store after the discharging is completed.
Example 2: a fuse energy storage power supply system of a fire extinguishing bomb is characterized in that a farad capacitor 6 is connected with a fuse control circuit through a voltage stabilizing module 7, and the voltage at two ends of the farad capacitor is converted into stable 3.3V by the voltage stabilizing module and is supplied to fuse circuits such as the fuse control circuit and a sensor conditioning circuit for use.
The rest of the structure is the same as in example 1.
Example 3: a fuse energy storage power supply system for a fire extinguishing bomb is characterized in that a power semiconductor device replaces a relay for power semiconductor devices such as an MOS (metal oxide semiconductor), a solid-state relay and the like.
The rest of the structure is the same as in example 1.
The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (8)
1. The fire extinguishing bomb fuse energy storage power supply system is characterized by comprising a charge and discharge control circuit (4), wherein the charge and discharge control circuit (4) is connected with a power supply conversion circuit, the power supply conversion circuit is connected with a protection circuit, the protection circuit is connected with an energy storage assembly, and the energy storage assembly is respectively connected with a detonation control circuit and a fuse control circuit.
2. The fire extinguishing bomb fuze energy storage and power supply system according to claim 1, characterized in that the power conversion circuit comprises a DC-DC power converter (1) and a switching assembly, the DC-DC power converter (1) is connected with an external power supply and the switching assembly respectively, and the switching assembly is connected with the charge and discharge control circuit (4) and the protection circuit respectively.
3. Fire extinguishing bomb fuse energy storage and power supply system according to claim 1 or 2, characterised in that the protection circuit comprises a self-restoring fuse (3) and a current limiting resistor (5), the self-restoring fuse (3) being connected to the switching assembly and the current limiting resistor (5), respectively, the current limiting resistor (5) being connected to the energy storage assembly.
4. The fire extinguishing bomb detonator energy storage and power supply system according to claim 3, wherein the energy storage assembly comprises a farad capacitor (6), and the farad capacitor (6) is respectively connected with the current limiting resistor (5), the detonation control circuit and the detonator control circuit.
5. The fire extinguishing bomb fuze energy storage and power supply system according to claim 4, characterized in that the farad capacitor (6) is connected with the fuze control circuit through a voltage stabilizing module (7); the energy-saving circuit is characterized in that the energy-releasing circuit is integrally formed by the farad capacitor (6), the current-limiting resistor (5), the self-recovery fuse (3), the switching assembly and the charge-discharge control circuit (4), and the energy-storing circuit is integrally formed by the farad capacitor (6), the current-limiting resistor (5), the self-recovery fuse (3), the switching assembly, the DC-DC power converter (1) and the charge-discharge control circuit (4).
6. The fire extinguishing bomb fuze energy storage and power supply system according to claim 5, characterized in that the switching components are power semiconductor devices, and the power semiconductor devices are respectively connected with the DC-DC power converter (1), the charge and discharge control circuit (4) and the self-recovery fuse (3).
7. The fire extinguishing bomb fuze energy storage and power supply system of claim 6, characterized in that the power semiconductor device is a relay (2).
8. The fire extinguishing bomb fuze energy storage and power supply system of claim 7, wherein the power semiconductor device is a MOS transistor or a solid state relay.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023074028.XU CN213959957U (en) | 2020-12-19 | 2020-12-19 | Fire extinguishing bomb fuse energy storage power supply system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023074028.XU CN213959957U (en) | 2020-12-19 | 2020-12-19 | Fire extinguishing bomb fuse energy storage power supply system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213959957U true CN213959957U (en) | 2021-08-13 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202023074028.XU Active CN213959957U (en) | 2020-12-19 | 2020-12-19 | Fire extinguishing bomb fuse energy storage power supply system |
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| Country | Link |
|---|---|
| CN (1) | CN213959957U (en) |
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- 2020-12-19 CN CN202023074028.XU patent/CN213959957U/en active Active
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