Small fire display panel

Abstract

The utility model relates to the technical field of fire display panels, and particularly discloses a small-sized fire display panel, which comprises a fire display panel and a wiring base, a display screen, an operation button, an alarm indicating lamp and a buzzer are arranged on the fire display panel, and a master control circuit board, a bus wiring terminal and a 485 communication interface are arranged on the wiring base. The master control circuit board comprises a master control circuit, an input signal processing circuit, a 485 communication circuit, a display screen circuit, an alarm circuit and a keyboard input identification circuit. The master control circuit is electrically connected with the input signal processing circuit, the 485 communication circuit, the display screen circuit, the alarm circuit and the keyboard input identification circuit. The main control circuit board is arranged to control the display screen to display current fire or fault information in a centralized mode and control the alarm circuit to send out sound-light alarm signals, the functions are diversified, the overall structure is simple, the fire-fighting linkage control module base can be directly installed through a reserved socket base, the fire-fighting linkage control module base can be commonly used with other fire-fighting linkage control module bases, and installation is convenient.

Description

TECHNICAL FIELD

[0001] The utility model relates to fire display disc technical field, especially a small fire display disc. BACKGROUND

[0002] Fire display disc is the fire alarm display device that can be installed in floor or independent fireproof area, can show specific floor or independent fireproof area, it is connected with fire alarm controller through bus, handles and shows the data that controller transmits. When the fire occurs in building, the fire alarm controller of fire control center produces alarm, and transmits alarm signal to the fire alarm display disc of fire area. The existing fire display disc equipment function is single, and the circuit board structure is more complex, the appearance is bigger, is not favorable to installation, leads to its difficult and other equipment installation time to achieve unified size, needs to reserve different installation size. SUMMARY

[0003] The utility model solves technical problems in view of above -mentioned defects of prior art, provides a small fire display disc, and the current fire or failure information is shown through the main control circuit board setting and controls the display screen and controls the alarm circuit to send sound and light alarm signal, and the overall structure is relatively simple, can directly use the reserved socket base installation, and is general with other fire linkage control module base, and installation is convenient.

[0004] In order to solve above -mentioned technical problem, the technical scheme of the utility model is:

[0005] A small fire display disc, including fire display disc panel and wiring base, be provided with display screen, operating button, alarm indicator and buzzer on the fire display disc panel, be provided with main control circuit board, bus wiring terminal and 485 communication interface on the wiring base, the main control circuit board includes main control circuit, input signal processing circuit, 485 communication circuit, display screen circuit, alarm circuit and keyboard input recognition circuit, the main control circuit is connected with input signal processing circuit, 485 communication circuit, display screen circuit, alarm circuit and keyboard input recognition circuit electrically respectively.

[0006] Preferably, the main control circuit comprises a single-chip microcomputer chip U1 and a microprocessor chip U2, the single-chip microcomputer chip U1 is connected with the microprocessor chip U2, the input signal processing circuit comprises a transistor V8, a resistor R66, a resistor R67, a resistor R16, a diode D10, a resistor R12, a resistor R83 and a resistor R6, the diode D10 is connected with the resistor R67 and the resistor R12 respectively, the resistor R83 is connected with the resistor R12 and the resistor R6 respectively, the resistor R66 is connected with the resistor R67 and the resistor R16 respectively, the transistor V8, the resistor R6 and the resistor R16 are connected with the microprocessor chip U2.

[0007] Preferably, the 485 communication circuit comprises an RS485 chip U3, a voltage stabilizing tube TVS1, a transistor V2 and a transistor Q2, the RS485 chip U3 is connected with the microprocessor chip U2, a 485 communication interface, the voltage stabilizing tube TVS1, the transistor V2 and the transistor Q2 respectively.

[0008] Preferably, the display screen circuit comprises a display screen interface J1, a transistor V7, an adjustable resistor RP1, an adjustable resistor RP2 and an adjustable resistor RP3, the transistor V7, the adjustable resistor RP1, the adjustable resistor RP2 and the adjustable resistor RP3 are connected with the microprocessor chip U2 and the display screen interface J1 respectively, and the display screen interface J1 is connected with the display screen.

[0009] Preferably, the alarm circuit comprises a buzzer interface BL1, a diode D1, a diode D14, a transistor V11, an indicator lamp LED2, an indicator lamp LED3, an indicator lamp LED5 and an indicator lamp LED6, the diode D1, the diode D14 and the transistor V11 are connected with the microprocessor chip U2 and the buzzer interface BL1, the indicator lamp LED2, the indicator lamp LED3, the indicator lamp LED5 and the indicator lamp LED6 are connected with the microprocessor chip U2, and the buzzer interface BL1 is connected with the buzzer.

[0010] Preferably, the keyboard input recognition circuit comprises a key K1, a key K2, a key K3 and a key K4, the key K1, the key K2, the key K3 and the key K4 are connected with the microprocessor chip U2 and the operation button.

[0011] The utility model discloses a small -size fire display disc has following beneficial effect: the small -size fire display disc in the fire display disc panel is provided with display screen, operating button, alarm indicator and buzzer, and the wiring base is provided with main control circuit board, bus wiring terminal and 485 communication interface, and the main control circuit of main control circuit board is connected with input signal processing circuit, 485 communication circuit, display screen circuit, alarm circuit and keyboard input recognition circuit electric connection respectively, when the fire alarm or other fire control linkage module breaks down, the fire alarm controller sends the fire alarm or fault information to the small -size fire display disc through the bus, and the display screen shows the specific information of current fire or fault information and sends the alarm sound through buzzer, and the alarm indicator is lit up the fire alarm or fault lamp, through operating button, can set up operation and the historical information of fire alarm, fault information to the fire display disc and look up, through setting up main control circuit board centralized control display screen shows current fire or fault information and controls alarm circuit and sends the sound -light alarm signal, and the function is diversified, and the overall structure is relatively simple, can directly use the reserved socket base installation, and is general with other fire control linkage control module base, convenient for user installation replacement, improves the installation efficiency, and convenient to use, compared with other fire display disc of prior art, the small -size fire display piece is low in cost, and reduces the cost expenditure of user. BRIEF DESCRIPTION OF DRAWINGS

[0012] Fig. 1 It is the exploded view of the utility model;

[0013] Fig. 2 It is the perspective view of the utility model;

[0014] Fig. 3 It is the circuit principle diagram of main control circuit board in the utility model;

[0015] In the drawing, 1-fire display disc panel, 2-wiring base, 3-display screen, 4-operating button, 5-alarm indicator, 6-buzzer, 7-main control circuit board, 8-bus wiring terminal, 9-485 communication interface. DETAILED DESCRIPTION

[0016] The specific implementation of the utility model will be further explained below in combination with the drawings, and it needs to be explained here that the explanation of these implementation is used to help understanding the utility model, but does not constitute the limitation to the utility model.In addition, the technical features involved in each embodiment of the utility model described below can be combined with each other as long as they do not conflict with each other.

[0017] In the description of the utility model, it is understood that the orientation or positional relationship indicated by the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential" is the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, which is only for the convenience of describing the utility model and simplifying the description, and does not indicate or imply that the indicated device or element must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the utility model.

[0018] In addition, the terms "first" and "second" are only for the purpose of description, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined with "first" and "second" can explicitly or implicitly include at least one of the features. In the description of the utility model, the meaning of "multiple" is at least two, such as two, three, etc., unless otherwise specifically limited.

[0019] As Figs. 1-3 shown, the small fire display panel includes a fire display panel panel 1 and a wiring base 2, the fire display panel panel 1 is provided with display screen 3, operating button 4, alarm indicator 5 and buzzer 6, the wiring base 2 is provided with main control circuit board 7, bus wiring terminal 8 and 485 communication interface 9, the main control circuit board 7 includes main control circuit, input signal processing circuit, 485 communication circuit, display screen circuit, alarm circuit and keyboard input recognition circuit, the main control circuit is electrically connected with the input signal processing circuit, 485 communication circuit, display screen circuit, alarm circuit and keyboard input recognition circuit respectively. It can be understood that the small fire display panel is a fire alarm display device designed and developed by single-chip microcomputer and can be installed in floor or independent fireproof area, which is connected with fire alarm controller through bus, processes and displays the data transmitted by the controller, when fire occurs in the building, the fire alarm controller of fire control center generates alarm, at the same time, the alarm signal is transmitted to the fire alarm display panel of fire area, the fire display panel displays the number of alarm detector \ hand report and related position information and sends out sound and light alarm signal to notify the personnel in the fire area.

[0020] Specifically, the main control circuit includes a single-chip microcomputer chip U1 and a microprocessor chip U2, the single-chip microcomputer chip U1 is connected with the microprocessor chip U2, the input signal processing circuit includes a triode V8, a resistor R66, a resistor R67, a resistor R16, a diode D10, a resistor R12, a resistor R83 and a resistor R6, the diode D10 is connected with the resistor R67 and the resistor R12 respectively, the resistor R83 is connected with the resistor R12 and the resistor R6 respectively, the resistor R66 is connected with the resistor R67 and the resistor R16 respectively, the triode V8, the resistor R6 and the resistor R16 are connected with the microprocessor chip U2. It can be understood that the single-chip microcomputer chip U1 adopts AD45DB041D chip, the microprocessor chip U2 adopts HC32F030K8TA-LQFP64 chip, which is used for processing fire information or fault information and outputting control signals to control the working state of the display screen, the alarm indicator lamp and the buzzer, when the fire alarm occurs or other fire-fighting linkage module fails, the fire alarm controller sends the fire alarm or fault information to the small fire display panel through the bus, the display screen displays the specific information of the current fire or fault information and sends the alarm sound through the buzzer, the alarm indicator lamp is lighted up as the fire alarm or fault lamp, and through the operation button, the fire display panel can be set and operated and the historical information of the fire alarm or fault information can be consulted.

[0021] Specifically, the 485 communication circuit includes an RS485 chip U3, a voltage stabilizing tube TVS1, a triode V2 and a transistor Q2, the RS485 chip U3 is connected with the microprocessor chip U2, a 485 communication interface, the voltage stabilizing tube TVS1, the triode V2 and the transistor Q2 respectively. It can be understood that the RS485 chip U3 adopts SIT3088EESA chip, which is used for receiving the fire alarm signal or the fault signal and transmitting to the microprocessor chip U2 for signal processing.

[0022] Specifically, the display screen circuit comprises a display screen interface J1, a triode V7, an adjustable resistor RP1, an adjustable resistor RP2 and an adjustable resistor RP3, the triode V7, the adjustable resistor RP1, the adjustable resistor RP2 and the adjustable resistor RP3 are connected with the microprocessor chip U2 and the display screen interface J1 respectively, and the display screen interface J1 is connected with the display screen. The alarm circuit comprises a buzzer interface BL1, a diode D1, a diode D14, a triode V11, an indicator lamp LED2, an indicator lamp LED3, an indicator lamp LED5 and an indicator lamp LED6, the diode D1, the diode D14 and the triode V11 are connected with the microprocessor chip U2 and the buzzer interface BL1, the indicator lamp LED2, the indicator lamp LED3, the indicator lamp LED5 and the indicator lamp LED6 are connected with the microprocessor chip U2, and the buzzer interface BL1 is connected with the buzzer. The keyboard input recognition circuit comprises a key K1, a key K2, a key K3 and a key K4, and the key K1, the key K2, the key K3 and the key K4 are connected with the microprocessor chip U2 and operation buttons. It can be understood that the number of the operation buttons is four, and the operation buttons correspond to the key K1, the key K2, the key K3 and the key K4 respectively.

[0023] It can be understood that the small fire display disc has reasonable design and unique structure, the size of the small fire display disc is consistent with the size of a socket used in daily life, the small fire display disc can be directly installed by using a reserved socket base, and the small fire display disc is universal with other fire linkage control module bases, so that the user can conveniently install and replace the small fire display disc, installation efficiency is improved, and use is convenient.

[0024] The embodiments of the utility model are described in detail above with reference to the drawings, but the utility model is not limited to the described embodiments. For those skilled in the art, various changes, modifications, replacements and modifications can be made to the embodiments without departing from the principles and spirits of the utility model, and still fall within the protection scope of the utility model.

Claims

1. A small fire display panel, comprising a fire display panel front panel and a wiring base, wherein the fire display panel front panel is provided with a display screen, operation buttons, alarm indicator lights and a buzzer, characterized in that: The wiring base is equipped with a main control circuit board, bus terminals and a 485 communication interface. The main control circuit board includes a main control circuit, an input signal processing circuit, a 485 communication circuit, a display circuit, an alarm circuit and a keyboard input recognition circuit. The main control circuit is electrically connected to the input signal processing circuit, the 485 communication circuit, the display circuit, the alarm circuit and the keyboard input recognition circuit respectively.

2. The small fire display panel according to claim 1, characterized in that: The main control circuit includes a microcontroller chip U1 and a microprocessor chip U2. The microcontroller chip U1 is connected to the microprocessor chip U2. The input signal processing circuit includes a transistor V8, resistors R66, R67, and R16, a diode D10, resistors R12, R83, and R6. Diode D10 is connected to resistors R67 and R12, resistor R83 is connected to resistors R12 and R6, and resistor R66 is connected to resistors R67 and R16. Transistor V8, resistors R6 and R16 are all connected to the microprocessor chip U2.

3. The small fire display panel according to claim 2, characterized in that: The 485 communication circuit includes an RS485 chip U3, a Zener diode TVS1, a transistor V2, and a transistor Q2. The RS485 chip U3 is connected to the microprocessor chip U2, the 485 communication interface, the Zener diode TVS1, the transistor V2, and the transistor Q2.

4. The small fire display panel according to claim 2, characterized in that: The display circuit includes a display interface J1, a transistor V7, adjustable resistors RP1, RP2, and RP3. The transistor V7, adjustable resistors RP1, RP2, and RP3 are respectively connected to the microprocessor chip U2 and the display interface J1. The display interface J1 is connected to the display screen.

5. The small fire display panel according to claim 2, characterized in that: The alarm circuit includes a buzzer interface BL1, diodes D1 and D14, transistor V11, indicator lights LED2, LED3, LED5, and LED6. Diodes D1, D14, and V11 are all connected to the microprocessor chip U2 and the buzzer interface BL1. Indicator lights LED2, LED3, LED5, and LED6 are all connected to the microprocessor chip U2. The buzzer interface BL1 is connected to the buzzer.

6. The small fire display panel according to claim 2, characterized in that: The keyboard input recognition circuit includes buttons K1, K2, K3, and K4, all of which are connected to the microprocessor chip U2 and the operation buttons.

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