Machine room fire-fighting remote monitoring system

Abstract

The utility model discloses a machine room fire-fighting remote monitoring system, and relates to the technical field of fire-fighting monitoring. The smoke detection module is used for performing smoke detection, controlling the fire alarm module to perform fire alarm when the smoke concentration exceeds a set smoke threshold value, and controlling the power supply control module to transmit the direct-current stabilized voltage to the wireless transmitting module; the wireless transmitting module is used for arranging and generating radio signals according to different address codes and data codes; and the fault alarm module is used for performing wireless transmission fault alarm when the smoke detection module controls the fire alarm module to give an alarm and the wireless transmission module does not transmit the radio signal. The machine room fire-fighting remote monitoring system provided by the utility model can carry out smoke detection and carry out fire-fighting alarm and wireless alarm when the detected smoke concentration exceeds a set smoke threshold value, and simultaneously judges whether a radio signal is emitted when the fire-fighting alarm is carried out, and carries out wireless emission fault alarm if the radio signal is not emitted.

Description

Technical Field

[0001] The utility model relates to the technical field of fire monitoring, specifically to a remote monitoring system for computer room fire protection. Background Art

[0002] At present, the fire monitoring of computer rooms mainly relies on the smoke sensors arranged in the computer rooms. When the smoke concentration detected by the smoke sensor exceeds the set value, an alarm will be directly issued to remind the operation and maintenance personnel to pay attention. And in order to improve the alarm efficiency and alarm range, a wireless transmitter is generally used to perform wireless remote alarm when a smoke alarm occurs. However, when a smoke alarm occurs, it is impossible to know whether the wireless alarm work is successfully carried out, resulting in the maintenance personnel at the remote terminal being unable to accurately know the alarm situation. Therefore, it needs to be improved. Summary of the Utility Model

[0003] The embodiment of the utility model provides a remote monitoring system for computer room fire protection to solve the problems put forward in the above background art.

[0004] To achieve the above purpose, the utility model provides the following technical solutions:

[0005] The remote monitoring system for computer room fire protection includes: a power supply module, a smoke detection module, a fire alarm module, a power control module, a wireless transmission module and a fault alarm module;

[0006] The power supply module is used to access AC power, step down, rectify, filter and regulate the AC power and output DC regulated voltage;

[0007] The smoke detection module is connected to the power supply module and is used to detect smoke and output a first control signal when the smoke concentration exceeds the set smoke threshold;

[0008] The fire alarm module is connected to the power supply module and the smoke detection module and is used to receive DC regulated voltage and perform a fire alarm when receiving the first control signal;

[0009] The power control module is connected to the smoke detection module, the power supply module and the wireless transmission module and is used to transmit the DC regulated voltage to the wireless transmission module when receiving the first control signal;

[0010] The wireless transmission module is used to arrange and generate a second control signal according to different address codes and data codes when receiving the DC regulated voltage transmitted by the power control module, and trigger the transmission of radio signals through the second control signal;

[0011] The fault alarm module is connected to the wireless transmission module, the smoke detection module and the power supply module and is used to rectify and filter the received second control signal and perform a wireless transmission fault alarm when the second control signal is not received and the first control signal is received.

[0012] As a further solution of the present utility model: The power supply module includes a power supply port, a first transformer, a first rectifier, a first capacitor, a first voltage regulator, and a second capacitor; the smoke detection module includes a first sensor and a first potentiometer;

[0013] Preferably, the first end and the second end of the power supply port are respectively connected to the first end and the second end of the primary side of the first transformer, the first end and the second end of the secondary side of the first transformer are respectively connected to the first end and the second end of the first rectifier, the third end of the first rectifier is connected to the third end of the first voltage regulator and is connected to the fourth end of the first rectifier, the second end of the first voltage regulator, one end of the second capacitor, the GND end of the first sensor, one end of the first potentiometer, and the ground end through the first capacitor, the other end of the second capacitor is connected to the first end of the first voltage regulator and the VCC end of the first sensor, and the OUT end of the first sensor is connected to the other end of the first potentiometer.

[0014] As a further solution of the present utility model: The smoke detection module further includes a first resistor, a second potentiometer, a third capacitor, a first controller, and a fourth capacitor;

[0015] Preferably, the seventh end of the first controller is connected to one end of the second potentiometer and is connected to the eighth end of the first controller and the first end of the first voltage regulator through the first resistor, the other end of the second potentiometer is connected to the second end of the first controller, the sixth end of the first controller, and the sliding contact end of the second potentiometer and is grounded through the third capacitor, the fourth end of the first controller is connected to the sliding contact end of the first potentiometer, the fifth end of the first controller is grounded through the fourth capacitor, the first end of the first controller is grounded, and the third end of the first controller is connected to the fault alarm module, the power supply control module, and the fire alarm module.

[0016] As a further solution of the present utility model: The fire alarm module includes a third resistor, a first switching tube, and a first speaker;

[0017] Preferably, the base of the first switching tube is connected to the third end of the first controller through the third resistor, the emitter of the first switching tube is grounded, the collector of the first switching tube is connected to the first end of the first speaker, and the second end of the first speaker is connected to the first end of the first voltage regulator.

[0018] As a further solution of the present utility model: The power supply control module includes a second resistor, a fourth resistor, a first power tube, and a second switching tube;

[0019] Preferably, the base of the second switching tube is connected to the third end of the first controller through the second resistor, the collector of the second switching tube is connected to the gate of the first power tube and is connected to the source of the first power tube and the first end of the first voltage regulator through the fourth resistor, the drain of the first power tube is connected to the wireless transmission module, and the emitter of the second switching tube is grounded.

[0020] As a further solution of the present utility model: The wireless transmission module includes a fifth resistor, a sixth resistor, a first encoder, and a first transmitter;

[0021] Preferably, the first end and the eighteenth end of the first encoder are both connected to the VCC end of the first transmitter and the drain of the first power transistor. The fifteenth end of the first encoder is connected to the sixteenth end of the first encoder through the fifth resistor. The seventeenth end of the first encoder is connected to the fault alarm module and is connected to the IN end of the first transmitter through the sixth resistor. The GND end of the first transmitter, the ninth end and the fourteenth end of the first encoder are all grounded.

[0022] As a further solution of the present utility model: The fault alarm module includes a seventh resistor, a first diode, a fifth capacitor, a first inverter, a first logic chip, a third switching transistor, and a second speaker;

[0023] Preferably, the A end of the first logic chip is connected to the third end of the first controller through the seventh resistor. The B end of the first logic chip is connected to the output end of the first inverter. The input end of the first inverter is connected to the cathode of the first diode and is grounded through the fifth capacitor. The anode of the first diode is connected to the seventeenth end of the first encoder. The F end of the first logic chip is connected to the base of the third switching transistor. The emitter of the third switching transistor is grounded. The collector of the third switching transistor is connected to one end of the second speaker. The other end of the second speaker is connected to the first end of the first voltage regulator.

[0024] Compared with the prior art, the beneficial effects of the present utility model are as follows: The computer room fire remote monitoring system of the present utility model can set a smoke threshold by the smoke detection module and control the fire alarm module to give a fire alarm when the detected smoke concentration exceeds the set smoke threshold. The power control module is controlled to supply power to the wireless transmission module, and radio signals are generated according to different address codes and data code arrangements for the monitoring terminal to receive and give an alarm. At the same time, the fault alarm module judges whether the wireless transmission module normally transmits radio signals when the smoke detection module controls the fire alarm module to give a fire alarm. If no radio signal is transmitted, an alarm is given again, so that the working state of the wireless transmission module can be known, and the fire alarm efficiency is improved. BRIEF DESCRIPTION OF THE DRAWINGS

[0025] In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the following will briefly introduce the drawings required for the description of the embodiments of the present utility model. Obviously, the following drawings are only some embodiments of the present utility model. For those of ordinary skill in the art, other drawings can be obtained based on these drawings without creative efforts.

[0026] Figure 1Schematic block diagram of the principle of the remote monitoring system for computer room fire protection provided by the embodiment of the present utility model.

[0027] Figure 2 Circuit diagram of the remote monitoring system for computer room fire protection provided by the embodiment of the present utility model.

[0028] Figure 3 Connection circuit diagram of the fault alarm module provided by the embodiment of the present utility model. Detailed implementation manners

[0029] Next, the technical solutions in the embodiments of the present utility model will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the embodiments. All other embodiments obtained by those of ordinary skill in the art based on the embodiments of the present utility model without creative efforts shall fall within the protection scope of the present utility model.

[0030] In one embodiment, please refer to Figure 1 , the remote monitoring system for computer room fire protection includes: a power supply module 1, a smoke detection module 2, a fire alarm module 3, a power control module 4, a wireless transmission module 5, and a fault alarm module 6;

[0031] Specifically, the power supply module 1 is used to access AC power, step down, rectify, filter, and regulate the AC power, and output a DC regulated voltage;

[0032] The smoke detection module 2 is connected to the power supply module 1 and is used to detect smoke and output a first control signal when the smoke concentration exceeds a set smoke threshold;

[0033] The fire alarm module 3 is connected to the power supply module 1 and the smoke detection module 2 and is used to receive the DC regulated voltage and perform a fire alarm when receiving the first control signal;

[0034] The power control module 4 is connected to the smoke detection module 2, the power supply module 1, and the wireless transmission module 5 and is used to transmit the DC regulated voltage to the wireless transmission module 5 when receiving the first control signal;

[0035] The wireless transmission module 5 is used to, when receiving the DC regulated voltage transmitted by the power control module 4, arrange and generate a second control signal according to different address codes and data codes, and trigger the transmission of a radio signal through the second control signal;

[0036] The fault alarm module 6 is connected to the wireless transmission module 5, the smoke detection module 2, and the power supply module 1 and is used to perform rectification and filtering processing on the received second control signal and perform a wireless transmission fault alarm when not receiving the second control signal and receiving the first control signal.

[0037] In a specific embodiment, the above-mentioned power supply module 1 can adopt a power supply circuit composed of a power supply port, a transformer, a rectifier, a voltage regulator, etc., which can access AC power and perform step-down, rectification filtering and voltage regulation on the AC power; the above-mentioned smoke detection module 2 can adopt a smoke detection circuit composed of a smoke sensor, a potentiometer, an oscillator, etc., which can detect the smoke concentration and output a first control signal when the smoke concentration exceeds the set smoke threshold; the above-mentioned fire alarm module 3 can adopt a fire alarm circuit composed of a triode, a resistor, and a speaker, which can perform fire alarm; the above-mentioned power control module 4 can adopt a power control circuit composed of a triode, a power transistor and a resistor, which can control the transmission state of electric energy; the above-mentioned wireless transmission module 5 can adopt a wireless transmission circuit composed of an encoder, a resistor and a transmitter. When receiving electric energy, it generates and triggers the transmission of radio signals according to different address codes and data code arrangements. This radio signal is received by the monitoring terminal, enabling the monitoring terminal to perform remote alarm; the above-mentioned fault alarm module 6 can adopt a fault alarm circuit composed of a diode, an inverter, a logic chip, a speaker, etc., which can judge whether the wireless transmission module 5 is normally transmitting radio signals when the smoke detection module 2 outputs the first control signal. If no radio signal is transmitted, a wireless transmission fault alarm will be carried out.

[0038] In another embodiment, please refer to Figure 1 , Figure 2 and Figure 3 , the power supply module 1 includes a power supply port, a first transformer B1, a first rectifier T1, a first capacitor C1, a first voltage regulator IC1 and a second capacitor C2; the smoke detection module 2 includes a first sensor U1 and a first potentiometer RP1;

[0039] Specifically, the first end and the second end of the power supply port are respectively connected to the first end and the second end of the primary side of the first transformer B1. The first end and the second end of the secondary side of the first transformer B1 are respectively connected to the first end and the second end of the first rectifier T1. The third end of the first rectifier T1 is connected to the third end of the first voltage regulator IC1 and is connected to the fourth end of the first rectifier T1, the second end of the first voltage regulator IC1, one end of the second capacitor C2, the GND end of the first sensor U1, one end of the first potentiometer RP1 and the ground end through the first capacitor C1. The other end of the second capacitor C2 is connected to the first end of the first voltage regulator IC1 and the VCC end of the first sensor U1. The OUT end of the first sensor U1 is connected to the other end of the first potentiometer RP1.

[0040] In a specific embodiment, the above-mentioned first voltage regulator IC1 can be selected as a 7812 voltage regulator; the above-mentioned first sensor U1 can be selected as a QM-25 sensor or an MQ211 sensor, and the smoke concentration detection sensitivity is adjusted by the first potentiometer RP1.

[0041] Further, the smoke detection module 2 further includes a first resistor R1, a second potentiometer RP2, a third capacitor C3, a first controller IC2, and a fourth capacitor C4;

[0042] Specifically, the seventh terminal of the first controller IC2 is connected to one end of the second potentiometer RP2 and is connected to the eighth terminal of the first controller IC2 and the first terminal of the first voltage regulator IC1 through the first resistor R1. The other end of the second potentiometer RP2 is connected to the second terminal of the first controller IC2, the sixth terminal of the first controller IC2, and the sliding contact terminal of the second potentiometer RP2 and is grounded through the third capacitor C3. The fourth terminal of the first controller IC2 is connected to the sliding contact terminal of the first potentiometer RP1. The fifth terminal of the first controller IC2 is grounded through the fourth capacitor C4. The first terminal of the first controller IC2 is grounded. The third terminal of the first controller IC2 is connected to the fault alarm module 6, the power control module 4, and the fire alarm module 3.

[0043] In a specific embodiment, the above-mentioned first controller IC2 can be selected as an NE555 oscillator. When the electric energy output from the sliding contact terminal of the first potentiometer RP1 exceeds the smoke threshold set by the fourth terminal of the first controller IC2, the first controller IC2 cooperates with the first resistor R1, the second potentiometer RP2, the third capacitor C3, and the fourth capacitor C4 to start oscillating.

[0044] Further, the fire alarm module 3 includes a third resistor R3, a first switching tube V1, and a first speaker BL1;

[0045] Specifically, the base of the first switching tube V1 is connected to the third terminal of the first controller IC2 through the third resistor R3. The emitter of the first switching tube V1 is grounded. The collector of the first switching tube V1 is connected to the first end of the first speaker BL1. The second end of the first speaker BL1 is connected to the first end of the first voltage regulator IC1.

[0046] In a specific embodiment, the above-mentioned first switching tube V1 can be selected as an NPN-type triode to control the fire alarm operation of the first speaker BL1.

[0047] Further, the power control module 4 includes a second resistor R2, a fourth resistor R4, a first power tube Q1, and a second switching tube V2;

[0048] Specifically, the base of the second switching tube V2 is connected to the third terminal of the first controller IC2 through the second resistor R2. The collector of the second switching tube V2 is connected to the gate of the first power tube Q1 and is connected to the source of the first power tube Q1 and the first end of the first voltage regulator IC1 through the fourth resistor R4. The drain of the first power tube Q1 is connected to the wireless transmission module 5. The emitter of the second switching tube V2 is grounded.

[0049] In a specific embodiment, the second switching transistor V2 can be an NPN-type triode; the first power transistor Q1 can be a P-channel field effect transistor.

[0050] Further, the wireless transmission module 5 includes a fifth resistor R5, a sixth resistor R6, a first encoder IC3, and a first transmitter IC4;

[0051] Specifically, the first terminal and the eighteenth terminal of the first encoder IC3 are both connected to the VCC terminal of the first transmitter IC4 and the drain of the first power transistor Q1. The fifteenth terminal of the first encoder IC3 is connected to the sixteenth terminal of the first encoder IC3 through the fifth resistor R5. The seventeenth terminal of the first encoder IC3 is connected to the fault alarm module 6 and is connected to the IN terminal of the first transmitter IC4 through the sixth resistor R6. The GND terminal of the first transmitter IC4, the ninth terminal and the fourteenth terminal of the first encoder IC3 are all grounded.

[0052] In a specific embodiment, the first encoder IC3 can be a VD5026 encoder; the first transmitter IC4 can be an HS101 miniature radio transmitter.

[0053] Further, the fault alarm module 6 includes a seventh resistor R7, a first diode D1, a fifth capacitor C5, a first inverter J1, a first logic chip J2, a third switching transistor V3, and a second speaker BL2;

[0054] Specifically, the A terminal of the first logic chip J2 is connected to the third terminal of the first controller IC2 through the seventh resistor R7. The B terminal of the first logic chip J2 is connected to the output terminal of the first inverter J1. The input terminal of the first inverter J1 is connected to the cathode of the first diode D1 and is grounded through the fifth capacitor C5. The anode of the first diode D1 is connected to the seventeenth terminal of the first encoder IC3. The F terminal of the first logic chip J2 is connected to the base of the third switching transistor V3. The emitter of the third switching transistor V3 is grounded. The collector of the third switching transistor V3 is connected to one end of the second speaker BL2. The other end of the second speaker BL2 is connected to the first terminal of the first voltage regulator IC1.

[0055] In a specific embodiment, the first inverter J1 can be a NOT gate chip; the first logic chip J2 can be an AND gate chip; the third switching transistor V3 can be an NPN-type triode.

[0056] In the computer room fire remote monitoring system of this embodiment, alternating current power is accessed through the power supply port, and step-down, rectification filtering, and voltage stabilization processing are performed by the first transformer B1, the first rectifier T1, the first capacitor C1, the first voltage regulator IC1, and the second capacitor C2. Smoke detection is performed by the first sensor U1. When the voltage at the sliding end of the first potentiometer RP1 exceeds the smoke threshold set at the fourth terminal of the first controller IC2, the third terminal of the first controller IC2 outputs a first control signal, causing the A terminal of the first logic chip J2 to become high level, and controlling the conduction of the first switching tube V1 and the second switching tube V2. The first speaker BL1 gives a fire alarm, the first power tube Q1 conducts, and powers the first encoder IC3 and the first transmitter IC4, enabling the first encoder IC3 to arrange according to different address codes and data codes, and then triggering the first transmitter IC4 to transmit a radio signal, which is received by the monitoring terminal. If the second control signal is not output at the seventeenth terminal of the first encoder IC3, the B terminal of the first logic chip J2 will become high level, and the F terminal of the first logic chip J2 will output a high level and control the conduction of the third switching tube V3, causing the second speaker BL2 to give a wireless transmission fault alarm.

[0057] For those skilled in the art, it is obvious that the present utility model is not limited to the details of the above exemplary embodiments, and can be implemented in other specific forms without departing from the spirit or basic characteristics of the present utility model. Therefore, from any point of view, the embodiments should be regarded as exemplary and non-limiting. The scope of the present utility model is defined by the appended claims rather than the above description. Therefore, all changes falling within the meaning and scope of the equivalent elements of the claims are intended to be included in the present utility model. Any reference signs in the claims should not be regarded as limiting the claimed rights.

[0058] In addition, it should be understood that although this specification is described according to embodiments, not every embodiment only contains an independent technical solution. This narrative way of the specification is only for clarity. Those skilled in the art should regard the specification as a whole, and the technical solutions in each embodiment can also be appropriately combined to form other embodiments that can be understood by those skilled in the art.

Claims

1. The computer room fire remote monitoring system is characterized by: The computer room fire remote monitoring system includes: power module, smoke detection module, fire alarm module, power control module, wireless transmission module and fault alarm module; The power module is used to receive AC power and perform voltage reduction, rectification, filtering and voltage stabilization on the AC power and output DC voltage stabilization; The smoke detection module is connected to the power module and is used to perform smoke detection and output a first control signal when the smoke concentration exceeds a set smoke threshold; The fire alarm module is connected to the power module and the smoke detection module, and is used to receive the DC voltage regulation and issue a fire alarm when receiving the first control signal; The power control module is connected to the smoke detection module, the power module and the wireless transmission module, and is used to transmit the DC regulated voltage to the wireless transmission module upon receiving the first control signal; The wireless transmission module is used to generate a second control signal according to different address codes and data codes when receiving the DC voltage regulator transmitted by the power control module, and trigger the transmission of the radio signal through the second control signal; The fault alarm module is connected to the wireless transmission module, the smoke detection module and the power supply module, and is used to perform rectification and filtering processing on the received second control signal, and to perform a wireless transmission fault alarm when the second control signal is not received and the first control signal is received.

2. The computer room fire remote monitoring system according to claim 1 is characterized in that: The power supply module includes a power supply port, a first transformer, a first rectifier, a first capacitor, a first voltage stabilizer and a second capacitor; the smoke detection module includes a first sensor and a first potentiometer; The first end and the second end of the power port are respectively connected to the first end and the second end of the primary side of the first transformer, the first end and the second end of the secondary side of the first transformer are respectively connected to the first end and the second end of the first rectifier, the third end of the first rectifier is connected to the third end of the first voltage regulator and connected to the fourth end of the first rectifier, the second end of the first voltage regulator, one end of the second capacitor, the GND end of the first sensor, one end of the first potentiometer and the ground end through the first capacitor, the other end of the second capacitor is connected to the first end of the first voltage regulator and the VCC end of the first sensor, and the OUT end of the first sensor is connected to the other end of the first potentiometer.

3. The computer room fire remote monitoring system according to claim 2 is characterized in that: The smoke detection module also includes a first resistor, a second potentiometer, a third capacitor, a first controller and a fourth capacitor; The seventh end of the first controller is connected to one end of the second potentiometer and is connected to the eighth end of the first controller and the first end of the first voltage regulator through the first resistor, the other end of the second potentiometer is connected to the second end of the first controller, the sixth end of the first controller and the slider end of the second potentiometer and is grounded through the third capacitor, the fourth end of the first controller is connected to the slider end of the first potentiometer, the fifth end of the first controller is grounded through the fourth capacitor, the first end of the first controller is grounded, and the third end of the first controller is connected to the fault alarm module, the power control module and the fire alarm module.

4. The computer room fire remote monitoring system according to claim 3 is characterized in that: The fire alarm module includes a third resistor, a first switch tube and a first speaker; The base of the first switch tube is connected to the third end of the first controller through a third resistor, the emitter of the first switch tube is grounded, the collector of the first switch tube is connected to the first end of the first speaker, and the second end of the first speaker is connected to the first end of the first regulator.

5. The computer room fire remote monitoring system according to claim 3 is characterized in that: The power control module includes a second resistor, a fourth resistor, a first power tube and a second switch tube; The base of the second switch tube is connected to the third end of the first controller through the second resistor, the collector of the second switch tube is connected to the gate of the first power tube and connected to the source of the first power tube and the first end of the first regulator through the fourth resistor, the drain of the first power tube is connected to the wireless transmitting module, and the emitter of the second switch tube is grounded.

6. The computer room fire remote monitoring system according to claim 5 is characterized in that: The wireless transmission module includes a fifth resistor, a sixth resistor, a first encoder and a first transmitter; The first end and the eighteenth end of the first encoder are both connected to the VCC end of the first transmitter and the drain of the first power tube, the fifteenth end of the first encoder is connected to the sixteenth end of the first encoder through the fifth resistor, the seventeenth end of the first encoder is connected to the fault alarm module and connected to the IN end of the first transmitter through the sixth resistor, and the GND end of the first transmitter, the ninth end and the fourteenth end of the first encoder are all grounded.

7. The computer room fire remote monitoring system according to claim 6, characterized in that: The fault alarm module includes a seventh resistor, a first diode, a fifth capacitor, a first inverter, a first logic chip, a third switch tube and a second speaker; The A end of the first logic chip is connected to the third end of the first controller through the seventh resistor, the B end of the first logic chip is connected to the output end of the first inverter, the input end of the first inverter is connected to the cathode of the first diode and grounded through the fifth capacitor, the anode of the first diode is connected to the seventeenth end of the first encoder, the F end of the first logic chip is connected to the base of the third switch tube, the emitter of the third switch tube is grounded, the collector of the third switch tube is connected to one end of the second speaker, and the other end of the second speaker is connected to the first end of the first regulator.

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