Projection display fire-fighting evacuation system

Abstract

The utility model discloses a projection display fire-fighting evacuation system which comprises a direct-current power supply module, a wireless transmitting module, a low-power-consumption power supply module, a wireless receiving module and a pattern projection module, the direct-current power supply module is electrically connected with the wireless transmitting module, the low-power-consumption power supply module is connected with the wireless transmitting module, and the pattern projection module is connected with the wireless receiving module. The whole body adopts an ultra-low power consumption design, can be powered by a dry battery, is safe and power-saving, uses a wireless transmitting and receiving chip, can realize that one transmitter corresponds to a plurality of receivers, avoids tedious wiring, independently supplies power, does not increase the load of a power supply of a fire extinguishing system, transmits a radio frequency signal, and is strong in anti-interference capability. Code matching can be carried out according to fireproof areas, mutual interference among different areas is prevented, the laser transmitter is low in voltage and low in power, electric sparks and heat cannot be generated, the laser transmitter can be connected into a fire control system through a simple wire butt joint, automatic control is achieved, a receiver shell is fixed in a magnetic attraction mode, and installation and maintenance are convenient.

Description

Technical Field

[0001] The utility model relates to the field of electromechanical equipment, in particular to a projection display fire evacuation system. Background Art

[0002] According to the Technical Standard for Fire Emergency Lighting and Evacuation Indicator Systems GB 51309-2018, Section 3.2.9, the setting of direction sign lights: When there are walls, columns and other structures on both sides of the evacuation passage, the direction sign lights should be installed on the wall or column surface below 1m from the ground; when there are no walls, columns and other structures on both sides of the evacuation passage, the direction sign lights should be installed above the evacuation passage.

[0003] Due to the difference between warehouse design and actual use, some fire evacuation direction sign lights are far away or blocked. When escaping, you need to look left and right, and the escape speed may be slowed down or even trampled, delaying the escape time.

[0004] In summary, a projection display fire evacuation system is needed to solve the deficiencies in the prior art. Utility Model Content

[0005] In view of the deficiencies in the prior art, the utility model provides a projection display fire evacuation system, aiming to solve the above problems.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a projection display fire evacuation system, comprising a DC power supply module, a wireless transmission module, a low-power power supply module, a wireless receiving module and a pattern projection module, wherein the DC power supply module is connected to the wireless transmission module, the low-power power supply module is connected to the wireless receiving module, and the pattern projection module is connected to the wireless receiving module.

[0007] DC power supply module, used to provide DC power supply to the fire evacuation system;

[0008] Wireless transmission module, used to transmit fire standard indication pattern signals, and to perform quick code matching and control operations through external buttons;

[0009] A wireless receiving module, used for receiving a fire standard indication pattern signal;

[0010] A low-power power supply module is used to provide power to the wireless receiving module and reduce the power consumption of the wireless receiving module;

[0011] The pattern projection module is used to project indication patterns that meet fire protection standards.

[0012] Optionally, the DC power supply module is a DC 12V power input module.

[0013] Optionally, the wireless transmitting module includes a transmitting chip U1, a step-down chip U3, capacitors C1-C4, a resistor R1 and a light-emitting diode LED1. The DC 12V power input is preliminarily filtered by capacitors C1 and C2, and the 12V is reduced to 3.3V voltage for output through the step-down chip U3. The output voltage 3.3V is filtered through capacitors C3 and C4, and finally the fire standard indication pattern signal is transmitted through the transmitting chip U1. The light-emitting diode LED1 is used to indicate the transmission signal, and the resistor R1 is used to limit the current.

[0014] Optionally, the wireless receiving module includes a receiving chip U2, a capacitor C5, a button KEY1, a transistor Q1 and a pattern projection light. The receiving chip U2 receives a fire standard indication image signal. The signal output pin D1 of the receiving chip U2 is connected to the base of the transistor Q1. The emitter of the transistor Q1 is connected to the pattern projection light. The collector of the transistor Q1 is grounded. The transistor Q1 amplifies the signal of the receiving chip U2. The capacitor C5 filters the power supply of the receiving chip U2. The button KEY1 is connected between the K / O pin of the microprocessor and the ground. Pressing it will ground the K / O pin, thereby generating a code request signal to the microprocessor.

[0015] Optionally, the low-power power supply module includes two batteries connected in series.

[0016] Optionally, the pattern projection module uses a laser projection lamp or an LED projection lamp.

[0017] Beneficial effects of the utility model:

[0018] 1. The utility model adopts an ultra-low power consumption design as a whole, and can be powered by dry batteries, which is safe and power-saving. The wireless transmitting and receiving chip can realize one transmitter corresponding to multiple receivers, eliminating cumbersome wiring, and independent power supply, which will not increase the load of the UPS power supply of the fire protection system;

[0019] 2. In this utility model, 433MHz radio frequency signals are transmitted, which has strong anti-interference ability, and can be coded according to fire zones to prevent mutual interference between different areas;

[0020] 3. The low-voltage, low-power laser transmitter used in the utility model does not generate electric sparks and heat, and can be used in places with explosion-proof requirements;

[0021] 4. In the utility model, the fire control system can be connected through a simple wire joint to achieve automatic control;

[0022] 5. In the present invention, the receiver housing can be fixed by magnetic attraction, which is convenient for installation and maintenance. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] Figure 1The utility model is a circuit diagram of a wireless transmitting module.

[0024] Figure 2 The utility model is a circuit diagram of a wireless receiving module. DETAILED DESCRIPTION

[0025] In order to more clearly illustrate the implementation examples of the invention or the technical solutions in the prior art, the drawings required for use in the implementation examples or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some implementation examples of the invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying any creative work.

[0026] In conjunction with the instruction manual Figure 1 -Attached Figure 2 , explain this technical solution

[0027] like Figure 1 and Figure 2 As shown, a projection display fire evacuation system includes a DC power supply module, a wireless transmission module, a low-power power supply module, a wireless receiving module and a pattern projection module. The DC power supply module is connected to the wireless transmission module, the low-power power supply module is connected to the wireless receiving module, and the pattern projection module is connected to the wireless receiving module.

[0028] DC power supply module, used to provide DC power supply to the fire evacuation system;

[0029] Wireless transmission module, used to transmit fire standard indication pattern signals, and to perform quick code matching and control operations through external buttons;

[0030] A wireless receiving module, used for receiving a fire standard indication pattern signal;

[0031] A low-power power supply module is used to provide power to the wireless receiving module and reduce the power consumption of the wireless receiving module;

[0032] The pattern projection module is used to project indication patterns that meet fire protection standards.

[0033] The DC power supply module is a DC 12V power input module. The wireless transmission module includes a transmitting chip U1, a step-down chip U3, capacitors C1-C4, a resistor R1 and a light-emitting diode LED1. The DC 12V power input is initially filtered by capacitors C1 and C2, and the 12V is reduced to 3.3V voltage for output through the step-down chip U3. The output voltage 3.3V is filtered through capacitors C3 and C4, and finally the fire standard indication pattern signal is transmitted through the transmitting chip U1. The light-emitting diode LED1 is used to indicate the transmission signal, and the resistor R1 is used to limit the current.

[0034] The wireless receiving module includes a receiving chip U2, a capacitor C5, a button KEY1, a transistor Q1 and a pattern projection lamp. The receiving chip U2 receives a fire standard indication image signal. The signal output pin D1 of the receiving chip U2 is connected to the base of the transistor Q1. The emitter of the transistor Q1 is connected to the pattern projection lamp. The collector of the transistor Q1 is grounded. The transistor Q1 amplifies the signal of the receiving chip U2. The capacitor C5 filters the power supply of the receiving chip U2. The button KEY1 is connected between the K / O pin of the microprocessor and the ground. Pressing it will ground the K / O pin, thereby generating a code request signal to the microprocessor.

[0035] The low-power power supply module includes two batteries connected in series, and the pattern projection module adopts a laser projection lamp or an LED projection lamp.

[0036] Working principle of the utility model: the pattern projection module is used to project "safety exit" or other indication patterns that meet fire protection standards on the ground or a designated plane in an emergency. The size of the pattern can be adjusted according to the installation height to ensure visibility;

[0037] The wireless transmission module operates in the 433MHz frequency band, has anti-interference capabilities, and can perform code operations according to fire protection zones to avoid mutual interference between different areas;

[0038] The wireless receiving module is paired with the wireless transmitting module to activate the laser projection module immediately after receiving a specific signal, supporting one-to-many control and reducing wiring requirements;

[0039] Ultra-low power consumption design allows the use of dry batteries to ensure safety and energy saving;

[0040] The laser transmitter has the function of adjusting the focal length to ensure the clear indication pattern;

[0041] The top-mounted installation method directly irradiates the ground, ensuring that the escapee will not look directly at the laser when bending over, thus improving safety;

[0042] Low voltage and low power laser technology avoids sparks and heat, and is suitable for explosion-proof environments;

[0043] Designed with simple wire docking connectors, it is easy to integrate with fire control systems to achieve automated response.

[0044] The wireless transmitting and receiving modules can be quickly paired and controlled through external buttons, and include at least three switch outputs for flexible configuration and operation.

[0045] The receiver housing is fixed by magnetic attraction, which is convenient for installation and daily maintenance.

[0046] The laser module can be replaced with a high-brightness LED projection light module to achieve more diverse indication patterns and enhanced visual effects while reducing customization costs.

[0047] LED projection light modules can provide richer and brighter indication patterns than lasers, and are particularly suitable for occasions requiring high-visibility indications.

[0048] Solve the problems of existing fire evacuation sign lights, such as low installation position, easy to be blocked, great difficulty in adding, and heavy burden on the power system, so as to improve evacuation efficiency and ensure personnel safety.

[0049] This technical solution adopts an ultra-low power consumption design as a whole, and can be powered by dry batteries, which is safe and energy-saving; the use of wireless transmitting and receiving chips can realize one transmitter corresponding to multiple receivers, eliminating the need for cumbersome wiring; independent power supply will not increase the load of the fire protection system UPS power supply; 433MHz radio frequency signals are transmitted, with strong anti-interference ability, and can be coded according to fire zones to prevent mutual interference between different areas;

[0050] Customized laser transmitter and "safety exit" pattern meet the style requirements of fire signs and labels; the laser has strong penetrating ability and can maintain a good directional indication function even in smoky environments; the laser pattern becomes larger and easier to see as the installation height increases; the laser light has adjustable focal length to ensure clarity; the laser light is top-mounted and directly shines on the ground, so when escaping, you need to cover your nose and bend over, so your eyes will not be exposed to the laser, which is more conducive to moving forward.

[0051] The low-voltage, low-power laser transmitter does not generate sparks or heat and can be used in places with explosion-proof requirements. It can be connected to the fire control system through a simple wire connector to achieve automatic control. The receiver housing is fixed by magnetic attraction, which is easy to install and maintain.

[0052] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modification, equivalent substitution or improvement made within the spirit and principle of the present invention shall be included in the protection scope of the present invention.

Claims

1. A projection display fire evacuation system, characterized in that: It includes a DC power supply module, a wireless transmission module, a low-power power supply module, a wireless receiving module and a pattern projection module. The DC power supply module is electrically connected to the wireless transmission module, the low-power power supply module is connected to the wireless transmission module, and the pattern projection module is connected to the wireless receiving module: DC power supply module, used to provide DC power to the fire evacuation system; A wireless transmission module, used for transmitting a fire standard indication pattern signal; Wireless receiving module, used to receive fire standard indication pattern signals, and perform quick code matching and control operations through external buttons; A low-power power supply module is used to provide power to the wireless receiving module and reduce the power consumption of the wireless receiving module; The pattern projection module is used to project indication patterns that meet fire protection standards.

2. The projection display fire evacuation system according to claim 1, characterized in that: The DC power supply module is a DC 12V power input module.

3. The projection display fire evacuation system according to claim 2, characterized in that: The wireless transmission module includes a transmitting chip U1, a step-down chip U3, capacitors C1-C4, a resistor R1 and a light-emitting diode LED1. The DC 12V power input is preliminarily filtered by capacitors C1 and C2, and the 12V is reduced to 3.3V voltage for output through the step-down chip U3. The output voltage 3.3V is filtered by capacitors C3 and C4, and finally the fire standard indication pattern signal is transmitted through the transmitting chip U1. The light-emitting diode LED1 is used to indicate the transmission signal, and the resistor R1 is used to limit the current.

4. The projection display fire evacuation system according to claim 3, characterized in that: The wireless receiving module includes a receiving chip U2, a capacitor C5, a button KEY1, a transistor Q1 and a pattern projection lamp. The receiving chip U2 receives a fire standard indication image signal. The signal output pin D1 of the receiving chip U2 is connected to the base of the transistor Q1, the emitter of the transistor Q1 is connected to the pattern projection lamp, the collector of the transistor Q1 is grounded, the transistor Q1 amplifies the signal of the receiving chip U2, the capacitor C5 filters the power supply of the receiving chip U2, the button KEY1 is connected between the K / O pin of the microprocessor and the ground, and pressing it will ground the K / O pin, thereby generating a code request signal to the microprocessor.

5. The projection display fire evacuation system according to claim 4, characterized in that: The low-power power supply module includes two dry batteries connected in series.

6. The projection display fire evacuation system according to any one of claims 1 to 5, characterized in that: The pattern projection module adopts a laser projection lamp or an LED projection lamp.

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