Quick-response fire-fighting loop system
By using components such as MOSFETs and voltage regulators in the fire protection bus, the signal transmission characteristics and equipment group inspection were optimized, solving the problems of slow communication speed and insufficient load capacity of the fire protection bus, and achieving rapid response and efficient communication.
Patent Information
- Application Number
- CN202422934551.7
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-11-29
- Publication Date
- 2025-10-24
- Estimated Expiration
- 2034-11-29
AI Technical Summary
The existing fire protection bus communication speed is slow and the load capacity is insufficient, which cannot meet the requirements of rapid response and high equipment density in modern fire protection systems.
By employing components such as MOSFET 1V4A, MOSFET 1V4B, and voltage regulator 1D1, and through a specific connection method, rapid signal switching and amplification transmission are achieved. In addition, an RC circuit is formed with capacitors and resistors to optimize signal transmission characteristics. An interrupt grouping mechanism is adopted to group and inspect equipment, thereby improving communication efficiency.
It achieves fast and stable communication, enhances the load capacity of the fire protection bus, and can respond to fire detection equipment and link equipment more quickly, meeting the needs of online communication of multiple devices in complex fire protection systems.
Smart Images

Figure CN223471346U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to communication circuit technical field, especially in a kind of quick response fire-fighting loop system. BACKGROUND
[0002] Fire-fighting system plays a vital role in guaranteeing personnel life and property safety, which covers fire detection, alarm, fire extinguishing control and the collaborative work of linkage equipment and other multiple links.In modern fire-fighting system, fire bus as the key infrastructure connecting various fire-fighting equipment undertakes the core task of information transmission and instruction interaction.
[0003] Current fire bus all adopts 2-wire carrier communication mode, basically places sensing and executing equipment on bus and is hung, generally current one loop takes equipment total number in 240 points equipment, while the time of inspection a circle is about 3 seconds.But with the development of digital technology and internet of things technology, control data volume to equipment gradually increases, and the response time requirement of communication is less and less, and the power consumption of equipment is increasing, and there is an urgent need for communication bus that can realize fast communication and high load capacity. UTILITY MODEL CONTENTS
[0004] The technical problem to be solved by the utility model is to provide a quick response fire-fighting loop system to solve the technical problems of slow communication speed and insufficient load capacity of existing fire bus.
[0005] The utility model discloses a quick response fire control loop system, which comprises a field effect tube 1V4A, a field effect tube 1V4B and a voltage regulator 1D1.
[0006] In a further embodiment, the capacitor C1 has its positive electrode connected to the connection point of the resistor R3 and the resistor R4, and its negative electrode connected to the drain electrode of the field effect tube 1V4A. This stabilizes the gate voltage of the field effect tube 1V4A when the load changes, thereby ensuring stable signal transmission. The capacitor C2 has its positive electrode connected to the +12V power supply and its negative electrode connected to the ADJ pin of the voltage regulator 1D1, thereby cooperating with the voltage regulator 1D1 to adjust the output voltage to be stable and accurate, and adapting to different loads. The capacitor C1 is an electrolytic capacitor with a capacitance of 1uF, which can effectively filter out high-frequency noise and stabilize the gate voltage. The capacitor C2 is also an electrolytic capacitor with a capacitance of 1uF, which has a low equivalent series resistance and can work with the voltage regulator 1D1 under different load conditions to ensure the stability of the output voltage.
[0007] In a further embodiment, the resistor R3 is connected at one end to the gate of the field effect transistor 1V4A and at the other end to the resistor R4 and the capacitor C1 in parallel, which cooperates with the capacitor C1 to optimize the signal along time at the gate of the field effect transistor 1V4A, to improve the switching characteristics when loaded and to enhance the system load capacity; the resistor R4 is connected in parallel with the capacitor C1 and is connected at both ends to the resistor R3 and the drain of the field effect transistor 1V4A, respectively, to form an RC circuit to adjust the time constant of the gate signal, so as to adapt to the signal transmission of different loads, wherein the resistance of the resistor R3 is 10kΩ, the accuracy is ±1%, and the gate signal along time can be accurately controlled; the resistance of the resistor R4 is 100kΩ, and the time constant of the RC circuit composed of the resistor R4 and the capacitor C1 is in the range of 10-50 microseconds, which can adapt to the signal transmission requirements of different frequencies and loads.
[0008] In a further embodiment, the DC 24V power supply is connected with a resistor R2, the other end of the resistor R2 is connected with the base of the transistor 1V2, the collector of the transistor 1V2 is connected with the negative electrode of the capacitor C1, the base and the collector of the transistor 1V3 are connected at both ends of the resistor R2, and the emitter is connected with the collector of the transistor 1V2, the inductor CT1RH circuit is connected with the base of the transistor 1V1, the collector of the transistor 1V1 is connected with the base of the transistor 1V2, the emitter of the transistor 1V1 is connected with the resistor R1, and the emitter of the transistor 1V2 is connected with the other end of the resistor R1, the OUT pin of the voltage regulator 1D1 is connected with the resistor R12, and the resistor R8 and the resistor R9 are connected in parallel on the connection line of the OUT pin and the resistor R12, and the other end of the resistor R8 is connected with the other end of the resistor R5, the resistor R5 and R8 are connected in parallel with the collector of the transistor 1V5 on the connection line, and the base of the transistor 1V5 is connected with the resistor R6, the emitter of the transistor 1V5 is grounded, and the other end of the resistor R6 is connected with the inductor CT1RM, the other end of the resistor R12 is connected with the A1 end of the double diode 1V8, the other end of the resistor R9 is connected with the emitter of the transistor 1V7, and the base of the transistor 1V7 is connected with the K end of the double diode 1V8, the collector is connected with the resistor R7, and the base is also connected with the resistor R10, the resistor R10 is connected with the resistor R11, the capacitor C4 is connected in parallel at both ends of the resistor R11, the other end of the resistor R11 is connected with the other end of the resistor R7, the negative electrode of the capacitor C3 is connected with the right end of the resistor R7, and the positive electrode is connected with the collector of the transistor 1V7, the A2 end of the double diode 1V8 is connected with the resistor R14 and the drain of the field effect transistor 1V4A, wherein the resistance value of the resistor R2 is 1kΩ, the transistor 1V2 adopts 2N3904, the transistor 1V3 adopts 2N3906, the inductor CT1RH is 10μH, the resistor R1 is 100Ω, the resistor R12 is 220Ω, the resistor R8 is 1kΩ, the resistor R9 is 100Ω, the resistor R5 is 4.7kΩ, the transistor 1V5 adopts 2N2222A, the resistor R6 is 100Ω, the inductor CT1RM is 100μH, the double diode 1V8 adopts BAT54S, the resistor R7 is 10kΩ, the resistor R10 is 10kΩ, the resistor R11 is 100kΩ, the capacitor C4 is 100pF, the capacitor C3 is 10μF, and the resistor R14 is 10kΩ.
[0009] In another embodiment, the positive pole of the capacitor C3 is connected with a triode 1V6, the other end of the triode 1V6 is connected with a resistor R22, the other end of the resistor R22 is connected with the base of a triode 1V18, the collector of the triode 1V18 is connected with a resistor R25, the other end of the resistor R25 is connected with a VCC3.3 power supply, the base of the triode 1V18 is also connected with a resistor R23, the emitter of the triode 1V18 is grounded, and the emitter of the triode 1V18 is connected with the other end of the resistor R23, the other end of the resistor R23 is also connected with the negative pole of the capacitor C3; the other end of the resistor R8 is connected with the A1 end of a double diode 1V9, the A2 end of the double diode 1V9 is connected with the gate of a field effect transistor 1V4B, the source of the field effect transistor 1V4B is also connected with a resistor R16, the other end of the resistor R16 is connected with the base of a triode 1V10, the emitter of the triode 1V10 is connected with the drain of a field effect transistor 1V4A, the collector is connected with a resistor R15, and is connected with the A2 end of the double diode 1V9, the other end of the resistor R15 is connected with a triode 1V14, the other end of the triode 1V14 is connected with the other end of a resistor R14, and is connected with the collector of a triode 1V11, the base of the triode 1V11 is connected with a resistor R13, the other end of the resistor R13 is connected with +12V, and the base of the triode 1V11 is connected with the collector of a triode 1V16, the emitter of the triode 1V11 is connected with the emitter of the triode 1V16 and is grounded, the base of the triode 1V16 is connected with a resistor R24, the other end of the resistor R24 is connected with an inductor CT1RH, wherein the resistance of the resistor R2 is 1kΩ, the triode 1V2 is 2N3904, the triode 1V3 is 2N3906, the inductor CT1RH is 10μH, the resistor R1 is 100Ω, the resistor R12 is 220Ω, the resistor R8 is 1kΩ, the resistor R9 is 100Ω, the resistor R5 is 4.7kΩ, the triode 1V5 is 2N2222A, the resistor R6 is 100Ω, the inductor CT1RM is 100μH, the double diode 1V8 is BAT54S, the resistor R7 is 10kΩ, the resistor R10 is 10kΩ, the resistor R11 is 100kΩ, the capacitor C4 is 100pF, the capacitor C3 is 10μF, and the resistor R14 is 10kΩ.
[0010] In a further embodiment, the drain of the field effect transistor 1V4A is connected to a resistor R21, the other end of R21 is connected to the anode of a light emitting diode, the cathode is connected to ground, the drain of the field effect transistor 1V4A is connected to the anode of a transistor 1V12, the cathode is connected to a resistor R18, the other end of R18 is connected to the anode of a capacitor C5, the cathode of C5 is connected to a resistor R20, and to the emitter of a transistor 1V13, the base of 1V13 is connected to the other end of R20, the collector of 1V13 is connected to a transistor 1V17, the other end of 1V17 is connected to AN1V, and the collector of 1V13 is also connected to the other end of R1, and the base of 1V13 is connected to a resistor R19, the other end of R19 is connected to the anode of C5, wherein R21 is 1kΩ, the light emitting diode is a common red light emitting diode, R18 is 10kΩ, C5 is 100pF, R20 is 10kΩ, 1V12 is a 2N3904, 1V13 is a 2N2222A, 1V17 is a 2N3904, and R19 is 100kΩ.
[0011] In a further embodiment, the base of the transistor 1V1 is connected to an inductor CT1RH, the collector is connected to the base of a transistor 1V2, and the emitter is connected to the drain of a field effect transistor 1V4A via a resistor R1 to shape and amplify the input signal, optimize the signal quality, and improve the communication speed; the base of a transistor 1V5 is connected to a resistor R6, the emitter is connected to ground, and the collector is connected to a resistor R8 to affect the driving ability of the circuit to the load; the base of a transistor 1V7 is connected to the K terminal of a double diode 1V8, the emitter is connected to a resistor R9, and the collector is connected to a resistor R7 to achieve pre-processing and transmission control of the signal, wherein 1V1 is a 2N2222A, 1V5 is a 2N2222A, and 1V7 is a 2N3904.
[0012] In a further embodiment, the base of a transistor 1V10 is connected to a resistor R16, the emitter is connected to the drain of a field effect transistor 1V4A, and the collector is connected to a resistor R15 to improve the driving ability of a field effect transistor 1V4B; the base of a transistor 1V11 is connected to a resistor R13, the collector is connected to a transistor 1V14 and a resistor R14, and the emitter is connected to ground to enhance the control ability of the circuit to the load; the base of a transistor 1V13 is connected to a resistor R20, the emitter is connected to the cathode of a capacitor C5, and the collector is connected to a transistor 1V17 to ensure the stability of the circuit; the base of a transistor 1V16 is connected to a resistor R24, the emitter is connected to ground, and the collector is connected to the base of a transistor 1V11 to cooperatively affect the operation of the circuit, wherein 1V10 is a 2N2222A, 1V11 is a 2N3906, 1V13 is a 2N2222A, and 1V16 is a 2N3904.
[0013] In a further embodiment, one end of the resistor R25 is connected to the VCC3.3 power supply, the other end is connected to the collector of the transistor 1V18, the base of the transistor 1V18 is connected to the resistor R22, the other end of the resistor R22 is connected to the transistor 1V6, the other end of the transistor 1V6 is connected to the positive electrode of the capacitor C3, the base of the transistor 1V18 is also connected to the resistor R23, the emitter is grounded and connected to the other end of the resistor R23, the other end of the resistor R23 is connected to the negative electrode of the capacitor C3, to provide a stable power supply, wherein the resistor R25 is 1kΩ, the transistor 1V18 is 2N3906, the resistor R22 is 10kΩ, the transistor 1V6 is 2N3904, and the resistor R23 is 10kΩ.
[0014] In a further embodiment, the resistor R1 is connected to the emitter of the transistors 1V1 and 1V2, one end of the capacitor C5 is connected to the base of the transistor 1V13, the other end is connected to the resistor R18, the other end of the resistor R18 is connected to the negative electrode of the transistor 1V12, the collector of the transistor 1V13 is connected to the transistor 1V17, the other end of the transistor 1V17 is connected to AN1V, to realize signal sampling and processing, wherein the resistor R1 is 100Ω, the capacitor C5 is 100pF, the transistor 1V12 is 2N3904, the transistor 1V13 is 2N2222A, and the transistor 1V17 is 2N3904.
[0015] Beneficial effects: 1. Through the cooperation of the field effect transistors 1V4A and 1V4B, the resistors R3 and R4, the capacitor C1, and the transistor 1V1, the rapid switching, amplification and transmission of the signal, the shaping and amplification of the input signal are realized, the signal quality is optimized, and the communication speed is improved. The field effect transistors 1V4A and 1V4B can quickly respond to high-frequency signals to ensure timely signal transmission; the circuit composed of the resistors R3 and R4 and the capacitor C1 optimizes the gate signal of the field effect transistor 1V4A along time, improves the switching characteristics under load; the processing of the signal by the transistor 1V1 further improves the quality and speed of signal transmission. In actual fire fighting systems, the fire detection equipment can transmit signals to alarm and linkage equipment faster, greatly shortening the overall response time.
[0016] 2, the reasonable connection and parameter matching between triode 1V10, triode 1V11, resistance R13, resistance R14, resistance R15 and field effect tube 1V4B and other elements realize the control and driving ability of the system to the load, and the purpose of improving the load capacity is achieved; triode 1V10 improves the driving ability of field effect tube 1V4B, and triode 1V11 enhances the control of the circuit to the load through the base and collector connection relationship; each resistance plays a role in adjusting current, voltage and the like, and ensures that field effect tube 1V4B and the whole system can work stably under different load conditions. This makes the fire bus can mount more equipment, such as a large number of fire detectors, alarms, fire extinguishing equipment and the like, meets the needs of many devices online and stable communication in complex fire fighting system, and guarantees large-scale deployment and efficient operation of the fire fighting system. BRIEF DESCRIPTION OF DRAWINGS
[0017] In order to more clearly illustrate the technical solutions in the embodiments of the present application or the prior art, the drawings needed to be used in the embodiments or the prior art description will be briefly introduced. Obviously, the drawings in the following description are only some embodiments of the present application, and for those skilled in the art, other drawings can be obtained without creative labor on the basis of these drawings.
[0018] Figure 1 The circuit schematic diagram of the present application. DETAILED DESCRIPTION
[0019] In order to make the purpose, technical scheme and advantages of the embodiments of the present application more clear, the technical scheme in the embodiments of the present application is described clearly and completely. Obviously, the described embodiments are part of the embodiments of the present application, not all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor belong to the protection scope of the present application.
[0020] The embodiments of the present application provide a quick response fire fighting loop system, which solves the technical problems of slow communication speed and insufficient load capacity of the existing fire bus. In actual use, the purposes of fast and stable communication and enhanced load capacity are achieved.
[0021] In order to better understand the above technical solutions, the above technical solutions will be described in detail in combination with the drawings of the specification and specific embodiments.
[0022] REFERENCE Figure 1The application discloses a quick-response fire-fighting loop system, which comprises a field effect transistor 1V4A, a field effect transistor 1V4B and a voltage regulator 1D1; the source of the field effect transistor 1V4A is connected with a DC 24V power supply, the gate of the field effect transistor 1V4A is connected with a resistor R3, the resistor R3 is connected with a resistor R4, and the capacitor C1 is connected with both ends of the resistor R4; the source of the field effect transistor 1V4B is connected with the drain of the field effect transistor 1V4A, the drain of the field effect transistor 1V4B is grounded, the IN pin of the voltage regulator 1D1 is connected with a +12V power supply, the ADJ pin of the voltage regulator 1D1 is connected with a C2, the positive pole of the capacitor C2 is connected with the +12V power supply and the negative pole of the capacitor C2 is grounded, and the OUT pin of the voltage regulator 1D1 is connected with the drain of the field effect transistor 1V4A; the field effect transistor 1V4A and the field effect transistor 1V4B are used for realizing quick switching and amplification transmission of signals, and the voltage regulator 1D1 is used for providing stable and accurate working voltage for the circuit.
[0023] The field effect transistors 1V4A and 1V4B are key elements for signal processing and transmission, and can realize quick switching and amplification transmission of signals by being connected with a power supply and other elements in a specific mode, so that the signals can be efficiently circulated in the system. The voltage regulator 1D1 provides stable and accurate working voltage for the circuit, overcomes the influence of input voltage fluctuation, lays a foundation for stable operation of the system, makes the system keep normal operation under various working conditions, and avoids signal distortion or equipment failure caused by unstable voltage.
[0024] The capacitor C1 is connected with the connection point of the resistor R3 and the resistor R4 at the positive pole and connected with the drain of the field effect transistor 1V4A at the negative pole, so that the gate voltage of the field effect transistor 1V4A is stabilized when the load changes, and the signal transmission is ensured to be stable; the positive pole of the capacitor C2 is connected with the +12V power supply and the negative pole of the capacitor C2 is connected with the ADJ pin of the voltage regulator 1D1, so that the stable and accurate voltage is cooperatively adjusted and outputted, and different loads are adapted.
[0025] When the load changes, the capacitor C1 is connected with the resistor R3 and the resistor R4, so that the gate voltage of the field effect transistor 1V4A is stabilized, the signal transmission is effectively ensured to be stable, and the voltage fluctuation caused by the load change is prevented from interfering with the signal. The capacitor C2 is connected with the voltage regulator 1D1, so that the stable and accurate voltage is cooperatively adjusted and outputted, different load demands are adapted, the system can obtain suitable voltage supply under different working conditions, and the overall stability of the system and the reliability of the signal transmission are further improved.
[0026] The resistor R3, one end of which is connected to the gate of the field effect transistor 1V4A, and the other end of which is connected to the resistor R4 and the capacitor C1 in parallel, cooperates with the capacitor C1 to optimize the gate signal of the field effect transistor 1V4A along time, improve the switching characteristics of the field effect transistor 1V4A under load, and enhance the system's ability to handle different loads.
[0027] The resistor R3, one end of which is connected to the gate of the field effect transistor 1V4A, and the other end of which is connected to the resistor R4 and the capacitor C1 in parallel, cooperates with the capacitor C1 to optimize the gate signal of the field effect transistor 1V4A along time, improve the switching characteristics of the field effect transistor 1V4A under load, and enhance the system's ability to handle different loads. The RC circuit formed by the resistor R4 and the capacitor C1 in parallel adjusts the time constant of the gate signal, enabling the system to adapt to different frequency and load signal transmissions and ensuring accurate and efficient signal transmission under various complex conditions.
[0028] The resistor R3, one end of which is connected to the gate of the field effect transistor 1V4A, and the other end of which is connected to the resistor R4 and the capacitor C1 in parallel, cooperates with the capacitor C1 to optimize the gate signal of the field effect transistor 1V4A along time, improve the switching characteristics of the field effect transistor 1V4A under load, and enhance the system's ability to handle different loads. The RC circuit formed by the resistor R4 and the capacitor C1 in parallel adjusts the time constant of the gate signal, enabling the system to adapt to different frequency and load signal transmissions and ensuring accurate and efficient signal transmission under various complex conditions.
[0029] The DC 24V power supply is connected with the transistor 1V2, the transistor 1V3 and other components through the resistor R2 to provide initial electrical energy for the subsequent circuit and participate in signal control. The circuit composed of the inductor CT1RH and the transistor 1V1 and other components shapes and amplifies the input signal, optimizes the signal quality and improves the communication speed. The circuit branch composed of the voltage regulator 1D1, the resistor R12, the resistor R8, the resistor R9 and other components provides appropriate voltage for different parts of the circuit and participates in the signal transmission path control; the elements such as the double diode 1V8, the transistor 1V7 and other components are connected with each other to realize the preprocessing and transmission control of the signal, so that the system can orderly process various signals and ensure the accurate transmission and conversion of the signal in the complex circuit environment.
[0030] The positive electrode of the capacitor C3 is connected with the transistor 1V6, the other end of the transistor 1V6 is connected with the resistor R22, the other end of the resistor R22 is connected with the base of the transistor 1V18, the collector of the transistor 1V18 is connected with the resistor R25, the other end of the resistor R25 is connected with the VCC3.3 power supply, the base of the transistor 1V18 is also connected with the resistor R23, the emitter of the transistor 1V18 is grounded, the emitter of the transistor 1V18 is connected with the other end of the resistor R23, and the other end of the resistor R23 is also connected with the negative electrode of the capacitor C3; the other end of the resistor R8 is connected with the A1 end of the double diode 1V9, the A2 end of the double diode 1V9 is connected with the gate of the field effect tube 1V4B, the source of the field effect tube 1V4B is also connected with the resistor R16, the other end of the resistor R16 is connected with the base of the transistor 1V10, the emitter of the transistor 1V10 is connected with the drain of the field effect tube 1V4A, the collector is connected with the resistor R15 and the A2 end of the double diode 1V9, the other end of the resistor R15 is connected with the transistor 1V14, the other end of the transistor 1V14 is connected with the other end of the resistor R14 and the collector of the transistor 1V11, the base of the transistor 1V11 is connected with the resistor R13, the other end of the resistor R13 is connected with +12V, and the base of the transistor 1V11 is connected with the collector of the transistor 1V16, the emitter of the transistor 1V11 is connected with the emitter of the transistor 1V16 and grounded, the base of the transistor 1V16 is connected with the resistor R24, and the other end of the resistor R24 is connected with the inductor CT1RH.
[0031] The circuit composed of the capacitor C3, the transistor 1V6 and the transistor 1V18 provides stable power supply for the system, ensures that each part of the circuit works in a stable power supply environment, and avoids the influence of power supply fluctuation on the system performance. The resistor R8 is connected with the double diode 1V9 to the gate of the field effect tube 1V4B, cooperates with the transistor 1V10, the transistor 1V14, the transistor 1V11 and other components to realize the improvement of the driving ability of the field effect tube 1V4B and the enhancement of the load control ability of the circuit, ensures the normal work of the field effect tube 1V4B under different load conditions, and further optimizes the signal transmission and load driving ability of the whole system.
[0032] The drain of the field effect tube 1V4A is connected with the resistor R21, the other end of R21 is connected with the anode of the light emitting diode, and the cathode is grounded, the drain of the field effect tube 1V4A is connected with the anode of the triode 1V12, and the cathode is connected with the resistor R18, the other end of the resistor R18 is connected with the anode of the capacitor C5, the cathode of the capacitor C5 is connected with the resistor R20, and is connected with the emitter of the triode 1V13, the base of the triode 1V13 is connected with the other end of the resistor R20, the collector of the triode 1V13 is connected with the triode 1V17, the other end of the triode 1V17 is connected with AN1V, and the collector of the triode 1V13 is also connected with the other end of the resistor R1, and the base of the triode 1V13 is connected with the resistor R19, the other end of the resistor R19 is connected with the anode of the capacitor C5.
[0033] The drain of the field effect tube 1V4A is connected with the resistor R21 and the light emitting diode, which can directly display the working state of the system part through the state of the light emitting diode, facilitating fault troubleshooting and system monitoring. The circuit composed of the drain of the field effect tube 1V4A, the triode 1V12, the triode 1V13, etc., through the cooperation of elements such as the capacitor C5, the resistor R18, and the resistor R20, realizes the sampling and processing of signals, converts analog quantities into digital quantities or adjusts signals, so that the system can accurately acquire and process information, and at the same time, the connection of the triode 1V13 and the triode 1V17 realizes the signal interaction with the external AN1V, which expands the system function and compatibility with other devices.
[0034] The base of the triode 1V1 is connected with the inductor CT1RH, the collector is connected with the base of the triode 1V2, and the emitter is connected with the drain of the field effect tube 1V4A through the resistor R1, so as to shape and amplify the input signal, optimize the signal quality, and improve the communication speed; the base of the triode 1V5 is connected with the resistor R6, the emitter is grounded, and the collector is connected with the resistor R8 related circuit, and its working state affects the driving capacity of the circuit to the load; the base of the triode 1V7 is connected with the K end of the double diode 1V8, the emitter is connected with the resistor R9, and the collector is connected with the resistor R7, so as to realize the preprocessing and transmission control of the signal.
[0035] The triode 1V1 shapes and amplifies the input signal by connecting with the inductor CT1RH, the triode 1V2 and the resistor R1, effectively improves the signal quality, lays a good foundation for subsequent signal transmission and processing, and thus improves the communication speed. The triode 1V5, based on its connection relationship with the resistors R6 and R8, influences the driving ability of the circuit to the load through its working state, ensures that the system can stably drive the load under different load conditions, and protects the stability of signal transmission. The triode 1V7, by virtue of the connection with the double diode 1V8, the resistors R9 and R7, etc., realizes the preprocessing and transmission control of the signal, ensures that the signal is accurately transmitted in the system according to the predetermined logic, and enhances the flexibility and accuracy of the system in signal processing.
[0036] The base of the triode 1V10 is connected with the resistor R16, the emitter is connected with the drain of the field effect tube 1V4A, and the collector is connected with the resistor R15, so as to improve the driving ability of the field effect tube 1V4B; the base of the triode 1V11 is connected with the resistor R13, the collector is connected with the triode 1V14 and the resistor R14, and the emitter is grounded, so as to enhance the control ability of the circuit to the load; the base of the triode 1V13 is connected with the resistor R20, the emitter is connected with the negative electrode of the capacitor C5, and the collector is connected with the triode 1V17, so as to protect the stability of the circuit; the base of the triode 1V16 is connected with the resistor R24, the emitter is grounded, and the collector is connected with the base of the triode 1V11, so as to cooperatively influence the circuit.
[0037] The triode 1V10, by virtue of the connection with the resistor R16, the drain of the field effect tube 1V4A and the resistor R15, improves the driving ability of the field effect tube 1V4B, ensures that the field effect tube 1V4B works effectively under different working conditions, and optimizes the signal transmission of the system. The triode 1V11, by virtue of the connection with the resistor R13, the triode 1V14, the resistor R14 and the triode 1V16, enhances the control ability of the circuit to the load, so that the system can keep stable operation when facing different loads. The triode 1V13, by virtue of the connection with the resistor R20, the capacitor C5 and the triode 1V17, protects the stability of the circuit and avoids the adverse effects of signal fluctuation on the circuit. The triode 1V16 is connected with the resistor R24 and the base of the triode 1V11, cooperatively influences the circuit, and makes the parts of the system cooperate with each other to realize efficient and stable signal processing and transmission.
[0038] One end of the resistor R25 is connected with the VCC3.3 power supply, and the other end is connected with the collector of the triode 1V18; the base of the triode 1V18 is connected with the resistor R22, and the other end of the resistor R22 is connected with the triode 1V6; the other end of the triode 1V6 is connected with the positive electrode of the capacitor C3; the base of the triode 1V18 is also connected with the resistor R23, the emitter is grounded and connected with the other end of the resistor R23, and the other end of the resistor R23 is connected with the negative electrode of the capacitor C3, so as to provide a stable power supply.
[0039] The circuit composed of resistor R25, transistor 1V18, transistor 1V6, capacitor C3, etc. obtains stable power from the VCC3.3 power supply through the connection of resistors R22 and R23 and the control of the transistors. After reasonable adjustment and distribution, it provides stable power supply for related components in the system, ensuring that each component works normally in a stable voltage environment and is not disturbed by power supply fluctuations, thereby ensuring stable and reliable operation of the entire rapid response fire protection circuit system.
[0040] The resistor R1 is connected to the emitters of the transistors 1V1 and 1V2, one end of the capacitor C5 is connected to the base of the transistor 1V13, and the other end is connected to the resistor R18, the other end of the resistor R18 is connected to the negative electrode of the transistor 1V12, the collector of the transistor 1V13 is connected to the transistor 1V17, and the other end of the transistor 1V17 is connected to AN1V to realize signal sampling and processing.
[0041] Resistor R1 is connected to the emitters of transistors 1V1 and 1V2. Capacitor C5 is connected to the base of transistor 1V13. Resistor R18, transistors 1V12, and transistors 1V17 form the circuit. Through the interaction between these components, this circuit samples and processes the signal, converting the input signal into a form suitable for further processing and transmission by the system, ensuring its accuracy and effectiveness. Furthermore, transistor V17 is connected to AN1V, enabling signal exchange between the system and external devices. This expands the system's functionality and application range, enabling it to work collaboratively with other devices to complete complex communication tasks.
[0042] In use, after the DC 24V power supply is connected, the current flows to the base of the transistor 1V2 through the resistor R2, and the base and collector of the transistor 1V3 are connected across the resistor R2 and the emitter is connected to the collector of the transistor 1V2, at this time the transistor 1V2 and the transistor 1V3 are in a specific working state; the inductor CT1RH provides a signal to the base of the transistor 1V1, the collector of the transistor 1V1 is connected to the base of the transistor 1V2, and the emitter is connected to the drain of the field effect transistor 1V4A through the resistor R1, the transistor 1V1 shapes and amplifies the input signal, and transmits the signal with optimized signal quality to the field effect transistor 1V4A; the source of the field effect transistor 1V4A is connected to the DC 24V power supply, and the gate is connected through the resistor R3, the resistor R3 is connected to the resistor R4, and the capacitor C1 is connected in parallel across the resistor R4, after receiving the processed signal, the field effect transistor 1V4A realizes rapid switching and amplification transmission under the action of the capacitor C1 stabilizing the gate voltage; the IN pin of the voltage regulator 1D1 is connected to the +12V power supply, the ADJ pin is connected to the capacitor C2, and the OUT pin is connected to the drain of the field effect transistor 1V4A, which provides stable and accurate working voltage for the circuit and ensures stable operation of the circuit; the source of the field effect transistor 1V4B is connected to the drain of the field effect transistor 1V4A, and the drain is connected to the ground, and the gate is controlled through a series of elements, and the driving capability is improved under the action of elements such as the transistor 1V10, to realize further transmission and processing of the signal; during signal transmission, the positive electrode of the capacitor C3 is connected to the collector of the transistor 1V7, and the negative electrode is connected to the right end of the resistor R7, the transistor 1V7 pre-processes and transmits the signal under the cooperation of elements such as the double diode 1V8 and the resistor R9, and the capacitor C3 stabilizes the power supply under the cooperation of elements such as the transistor 1V6 and the transistor 1V18; the drain of the field effect transistor 1V4A is also connected to the resistor R21 and the light emitting diode, and a circuit composed of the transistor 1V12 and the transistor 1V13, the resistor R21 is used to connect the light emitting diode to display the working state, the collector of the transistor 1V13 is connected to the transistor 1V17 under the cooperation of elements such as the capacitor C5, the resistor R18 and R20, and the transistor 1V17 is connected to AN1V to realize signal interaction with external equipment.
[0043] The figure expressed in the accompanying drawings is an example figure, and the purpose is only to more intuitively show the key structure and connection relationship of the quick response fire-fighting loop system; in actual application, the appearance and size of the device can be adjusted and optimized according to specific needs, and the data of each element in the document is example data, which has reference value, but is not an absolute standard and fixed, in actual use, it needs to be selected according to the actual situation.
[0044] The utility model covers any alternative, modification, equivalent method and scheme which are made on the essence and range of the utility model. In order to make the public have the thorough understanding of the utility model, the specific details are explained in the above preferred embodiment of the utility model, and the utility model can also be completely understood without the description of these details for the person skilled in the art. In addition, in order to avoid unnecessary confusion to the essence of the utility model, the well-known method, process, flow, element and circuit etc. are not explained in detail.
[0045] The above is only the preferred embodiment of the utility model, and it should be pointed out that, for the ordinary skilled person in the art, a number of improvements and refinements can be made without departing from the principle of the utility model, and these improvements and refinements should also be regarded as the protection range of the utility model.
Claims
1. A fast response fire protection circuit system, characterized in that, Comprise: Field effect transistor 1V4A, field effect transistor 1V4B and voltage regulator 1D1; the source of the field effect transistor 1V4A is connected with DC 24V power supply, the gate of the field effect transistor 1V4A is connected with resistance R3, the resistance R3 is connected with resistance R4, and the both ends of the resistance R4 are connected with capacitor C1 in parallel, the source of the field effect transistor 1V4B is connected with the drain of the field effect transistor 1V4A, the drain of the field effect transistor 1V4B is grounded, the IN pin of the voltage regulator 1D1 is connected with +12V power supply, C2 is connected on the ADJ pin of the voltage regulator 1D1, the positive pole of the capacitor C2 is connected with +12V power supply and its negative pole is grounded, the OUT pin of the voltage regulator 1D1 is connected with the drain of the field effect transistor 1V4A; The field effect transistor 1V4A and the field effect transistor 1V4B are used to realize fast switching and amplification transmission of signals, and the voltage regulator 1D1 is used to provide stable and accurate working voltage for the circuit.
2. A quick response fire protection circuit system according to claim 1, wherein: The capacitor C1 is connected with the connection point of the resistance R3 and the resistance R4 in positive pole, and is connected with the drain of the field effect transistor 1V4A in negative pole, which stabilizes the gate voltage of the field effect transistor 1V4A when the load changes, so as to guarantee the stability of signal transmission; the positive pole of the capacitor C2 is connected with +12V power supply, and the negative pole is connected with the ADJ pin of the voltage regulator 1D1, so as to cooperatively adjust the output stable and accurate voltage and adapt to different loads.
3. A fast response fire protection circuit system according to claim 1, wherein: The resistance R3 is connected with the gate of the field effect transistor 1V4A in one end, and is connected with the resistance R4 and the capacitor C1 in parallel circuit in the other end, cooperates with the capacitor C1 to optimize the gate signal time of the field effect transistor 1V4A, improves the switching characteristics when carrying load, and enhances the system load capacity; the resistance R4 is connected with the capacitor C1 in parallel, and the both ends are connected with the resistance R3 and the drain of the field effect transistor 1V4A related circuit respectively, forms RC circuit to adjust the gate signal time constant, so as to adapt to different load signal transmission.
4. A fast response fire protection circuit system according to claim 1, wherein: The DC 24V power supply is connected with resistor R2, the other end of resistor R2 is connected with the base of triode 1V2, the collector of triode 1V2 is connected with the negative electrode of capacitor C1, the base and the collector of triode 1V3 are connected at the two ends of resistor R2, the emitter is connected with the collector of triode 1V2, the inductor CT1RH line is connected with the base of triode 1V1, the collector of triode 1V1 is connected with the base of triode 1V2, the emitter of triode 1V1 is connected with resistor R1, the emitter of triode 1V2 is connected with the other end of resistor R1, the OUT pin of voltage regulator 1D1 is connected with resistor R12, resistor R8 and resistor R9 are connected in parallel on the connection line of OUT pin and resistor R12, the other end of resistor R8 is connected with the other end of resistor R5, the connection line of resistor R5 and R8 is connected in parallel with the collector of triode 1V5, the base of triode 1V5 is connected with resistor R6, the emitter of triode 1V5 is grounded, the other end of resistor R6 is connected with inductor CT1RM, the other end of resistor R12 is connected with the A1 end of double diode 1V8, the other end of resistor R9 is connected with the emitter of triode 1V7, the base of triode 1V7 is connected with the K end of double diode 1V8, the collector is connected with resistor R7, the base is also connected with resistor R10, resistor R10 is connected with resistor R11, the two ends of resistor R11 are connected in parallel with capacitor C4, the other end of resistor R11 is connected with the other end of resistor R7, the negative electrode of capacitor C3 is connected with the right end of resistor R7, the positive electrode is connected with the collector of triode 1V7, the A2 end of double diode 1V8 is connected with resistor R14 and the drain of field effect transistor 1V4A.
5. A quick response fire protection circuit system according to claim 4, wherein: The positive electrode of capacitor C3 is connected with triode 1V6, the other end of triode 1V6 is connected with resistor R22, the other end of resistor R22 is connected with the base of triode 1V18, the collector of triode 1V18 is connected with resistor R25, the other end of resistor R25 is connected with VCC3.3 power supply, the base of triode 1V18 is also connected with resistor R23, the emitter of triode 1V18 is grounded, the emitter of triode 1V18 is connected with the other end of resistor R23, the other end of resistor R23 is also connected with the negative electrode of capacitor C3; The other end of the resistor R8 is connected with the A1 end of the double diode 1V9, the A2 end of the double diode 1V9 is connected with the gate of the field effect tube 1V4B, the source of the field effect tube 1V4B is also connected with the resistor R16, the other end of the resistor R16 is connected with the base of the triode 1V10, the emitter of the triode 1V10 is connected with the drain of the field effect tube 1V4A, the collector is connected with the resistor R15 and the A2 end of the double diode 1V9, the other end of the resistor R15 is connected with the triode 1V14, the other end of the triode 1V14 is connected with the other end of the resistor R14 and the collector of the triode 1V11, the base of the triode 1V11 is connected with the resistor R13, the other end of the resistor R13 is connected with +12V, the base of the triode 1V11 is connected with the collector of the triode 1V16, the emitter of the triode 1V11 is connected with the emitter of the triode 1V16 and the ground, the base of the triode 1V16 is connected with the resistor R24, the other end of the resistor R24 is connected with the inductor CT1RH.
6. A quick response fire protection circuit system according to claim 5, wherein: The drain of the field effect tube 1V4A is connected with the resistor R21, the other end of the resistor R21 is connected with the positive pole of the light emitting diode, and the negative pole is grounded, the drain of the field effect tube 1V4A is connected with the positive pole of the triode 1V12, and the negative pole is connected with the resistor R18, the other end of the resistor R18 is connected with the positive pole of the capacitor C5, the negative pole of the capacitor C5 is connected with the resistor R20 and the emitter of the triode 1V13, the base of the triode 1V13 is connected with the other end of the resistor R20, the collector of the triode 1V13 is connected with the triode 1V17, the other end of the triode 1V17 is connected with AN1V, and the collector of the triode 1V13 is also connected with the other end of the resistor R1, and the base of the triode 1V13 is connected with the resistor R19, the other end of the resistor R19 is connected with the positive pole of the capacitor C5.
7. A quick response fire protection circuit system according to claim 6, wherein: The base of the triode 1V1 is connected with the inductor CT1RH, the collector is connected with the base of the triode 1V2, and the emitter is connected with the drain of the field effect tube 1V4A through the resistor R1, so as to shape and amplify the input signal, optimize the signal quality and improve the communication speed; the base of the triode 1V5 is connected with the resistor R6, the emitter is grounded, and the collector is connected with the resistor R8 and the related circuit, and the working state of the triode 1V5 affects the driving capacity of the circuit to the load; the base of the triode 1V7 is connected with the K end of the double diode 1V8, the emitter is connected with the resistor R9, and the collector is connected with the resistor R7, so as to realize the pre-processing and transmission control of the signal.
8. A fast response fire protection circuit system according to claim 6, wherein: The base of the triode 1V10 is connected with the resistor R16, the emitter is connected with the drain of the field effect transistor 1V4A, and the collector is connected with the resistor R15, so as to improve the driving capability of the field effect transistor 1V4B; the base of the triode 1V11 is connected with the resistor R13, the collector is connected with the triode 1V14 and the resistor R14, and the emitter is grounded, so as to enhance the control capability of the circuit to the load; the base of the triode 1V13 is connected with the resistor R20, the emitter is connected with the negative electrode of the capacitor C5, and the collector is connected with the triode 1V17, so as to ensure the stability of the circuit; the base of the triode 1V16 is connected with the resistor R24, the emitter is grounded, and the collector is connected with the base of the triode 1V11, so as to cooperatively affect the working of the circuit.
9. A fast response fire protection circuit system according to claim 6, wherein: One end of the resistor R25 is connected with the VCC3.3 power supply, and the other end is connected with the collector of the triode 1V18; the base of the triode 1V18 is connected with the resistor R22, and the other end of the resistor R22 is connected with the triode 1V6; the other end of the triode 1V6 is connected with the positive electrode of the capacitor C3; the base of the triode 1V18 is also connected with the resistor R23, the emitter is grounded and connected with the other end of the resistor R23, and the other end of the resistor R23 is connected with the negative electrode of the capacitor C3, so as to provide a stable power supply.
10. A fast response fire protection circuit system according to claim 6, wherein: The resistor R1 is connected with the emitter of the triode 1V1 and the triode 1V2; one end of the capacitor C5 is connected with the base of the triode 1V13, and the other end is connected with the resistor R18; the other end of the resistor R18 is connected with the negative electrode of the triode 1V12; the collector of the triode 1V13 is connected with the triode 1V17, and the other end of the triode 1V17 is connected with AN1V, so as to realize the sampling and processing of signals.