A flammable gas concentration display device for energy storage power station

Abstract

A flammable gas concentration display device for an energy storage power station is provided with an upper shell, a screen guard, a lower shell, a display screen, a main control circuit board and a data transmission interface; a display window is formed on the surface of the upper shell, the screen guard is inside the display window, and the upper surface of the screen guard covers the display window; the display screen is arranged on the main control circuit board, and the lower surface of the screen guard covers the display screen; the data transmission interface is arranged on the main control circuit board, and the data transmission interface is used to receive the detection results and alarm information of an external flammable gas concentration monitoring sensor; the display screen is used to display the detection results and alarm information of the external flammable gas concentration monitoring sensor received by the data transmission interface; the display screen and the main control circuit board are both encapsulated in the internal space after the upper shell and the lower shell are assembled. The utility model can ensure that the driver can easily obtain the gas concentration information, so as to react quickly, and has strong durability and stability.

Description

Technical Field

[0001] The utility model relates to a display device, in particular to a flammable gas concentration display device for an energy storage power station. Background Art

[0002] At present, public transportation has become an indispensable part of people's daily life. With the increase in personnel mobility, public transportation safety issues, especially the management of flammable and explosive items, have become particularly important.

[0003] At present, for energy storage power stations of commercial vehicles and buses, it is difficult to effectively monitor and manage flammable gases due to their strong mobility, complex working environment, poor durability and stability. When the concentration of flammable gas exceeds the standard, it is impossible to provide feedback to the driver immediately, resulting in insufficient time to take emergency measures, such as timely evacuation of passengers, which poses a great safety hazard. It is necessary to develop a flammable gas concentration display solution for energy storage power stations suitable for use in public transportation. Utility Model Content

[0004] To this end, the utility model provides a flammable gas concentration display device for an energy storage power station to solve the problem that flammable gas monitoring of the energy storage power station on public transportation cannot be fed back to the driver in time, resulting in delays in taking emergency measures and posing a greater safety risk.

[0005] In order to achieve the above-mentioned purpose, the utility model provides the following technical solutions: a flammable gas concentration display device for an energy storage power station, comprising an upper housing, a screen guard plate, a lower housing, a display screen, a main control circuit board and a data transmission interface;

[0006] A display window is formed on the surface of the upper shell, the screen guard is located inside the display window, and the upper surface of the screen guard covers the display window;

[0007] The display screen is arranged on the main control circuit board, and the lower surface of the screen guard plate covers the display screen; the data transmission interface is arranged on the main control circuit board, and the data transmission interface is used to receive the detection results and alarm information of the external flammable gas concentration monitoring sensor; the display screen is used to display the detection results and alarm information of the external flammable gas concentration monitoring sensor received by the data transmission interface;

[0008] The display screen and the main control circuit board are both packaged in the inner space after the upper shell and the lower shell are assembled.

[0009] As a preferred solution for the flammable gas concentration display device of the energy storage power station, a first nut column is connected to the interior of the upper shell, a first nut hole is provided at the edge of the main control circuit board, and the main control circuit board is fixedly connected to the upper shell through the first nut column, the first nut hole and the upper shell.

[0010] As a preferred solution for the flammable gas concentration display device of the energy storage power station, the screen guard plate is made of an acrylic plate, and a guard plate fixing hole is formed at the edge of the screen guard plate; the first nut column passes through the guard plate fixing hole and then is assembled with the first nut hole.

[0011] As a preferred solution for the flammable gas concentration display device of the energy storage power station, a second nut column and a buckle are provided at the bottom of the display screen; a second nut hole and a slot are formed on the main control circuit board; the second nut column and the second nut hole are assembled, and the buckle and the slot are assembled.

[0012] As a preferred solution for the flammable gas concentration display device of the energy storage power station, a side of the upper shell is provided with an avoidance gap, and the data transmission interface is exposed from the avoidance gap.

[0013] As a preferred solution for the flammable gas concentration display device of the energy storage power station, the edge of the upper shell is folded outward to form a mounting portion, and the mounting portion is provided with a mounting hole.

[0014] As a preferred solution for the flammable gas concentration display device of the energy storage power station, a microcontroller is integrated on the main control circuit board, and the microcontroller adopts GD32F303CBT6;

[0015] The display screen is electrically connected to the microcontroller, and the data transmission interface is electrically connected to the microcontroller.

[0016] As a preferred solution for the flammable gas concentration display device of the energy storage power station, an optocoupler isolation circuit is provided between the data transmission interface and the microcontroller, and the optocoupler isolation circuit is used to electrically isolate the microcontroller from an external flammable gas concentration monitoring sensor.

[0017] The utility model has the following advantages: it is provided with an upper shell, a screen guard, a lower shell, a display screen, a main control circuit board and a data transmission interface; a display window is formed on the surface of the upper shell, the screen guard is inside the display window, and the upper surface of the screen guard covers the display window; the display screen is arranged on the main control circuit board, and the lower surface of the screen guard covers the display screen; the data transmission interface is arranged on the main control circuit board, and the data transmission interface is used to receive the detection results and alarm information of the external flammable gas concentration monitoring sensor; the display screen is used to display the detection results and alarm information of the external flammable gas concentration monitoring sensor received by the data transmission interface; the display screen and the main control circuit board are both encapsulated in the internal space after the upper shell and the lower shell are assembled. The utility model can ensure that the driver can easily obtain the gas concentration information, so as to respond quickly, and has strong durability and stability, and can ensure normal operation in various harsh environments. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] In order to more clearly illustrate the implementation of the utility model or the technical solution in the prior art, the following is a brief introduction to the drawings required for the implementation or the prior art description. Obviously, the drawings in the following description are only exemplary, and for ordinary technicians in this field, other implementation drawings can be derived from the provided drawings without creative work.

[0019] Figure 1 This is a schematic diagram of the exploded structure of the flammable gas concentration display device for the energy storage power station provided in an embodiment of the utility model;

[0020] Figure 2 It is a schematic diagram of the overall structure of the flammable gas concentration display device for the energy storage power station provided in the embodiment of the utility model;

[0021] Figure 3 A circuit diagram of a flammable gas concentration display device for an energy storage power station provided in an embodiment of the utility model;

[0022] Figure 4 This is a photocoupler isolation circuit diagram of a flammable gas concentration display device for an energy storage power station provided in an embodiment of the utility model.

[0023] In the figure, 1, upper shell; 2, screen guard plate; 3, lower shell; 4, display screen; 5, main control circuit board; 6, data transmission interface; 7, display window; 8, first nut column; 9, first nut hole; 10, second nut column; 11, buckle; 12, second nut hole; 13, slot; 14, avoidance gap; 15, installation part; 16, installation hole; 17, guard plate fixing hole. DETAILED DESCRIPTION

[0024] The following is a specific embodiment of the present invention. People familiar with the technology can easily understand the other advantages and functions of the present invention from the contents disclosed in this specification. Obviously, the described embodiment is a part of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0025] See also Figure 1 , Figure 2 and Figure 3 , the embodiment of the utility model provides a flammable gas concentration display device for an energy storage power station, including an upper shell 1, a screen guard plate 2, a lower shell 3, a display screen 4, a main control circuit board 5 and a data transmission interface 6;

[0026] A display window 7 is formed on the surface of the upper housing 1, the screen guard plate 2 is located inside the display window 7, and the upper surface of the screen guard plate 2 covers the display window 7;

[0027] Among them, the display screen 4 is arranged on the main control circuit board 5, and the lower surface of the screen guard plate 2 covers the display screen 4; the data transmission interface 6 is arranged on the main control circuit board 5, and the data transmission interface 6 is used to receive the detection results and alarm information of the external flammable gas concentration monitoring sensor; the display screen 4 is used to display the detection results and alarm information of the external flammable gas concentration monitoring sensor received by the data transmission interface 6;

[0028] The display screen 4 and the main control circuit board 5 are both packaged in the internal space after the upper shell 1 and the lower shell 3 are assembled.

[0029] In this embodiment, a first nut column 8 is connected to the interior of the upper shell 1, and a first nut hole 9 is provided on the edge of the main control circuit board 5. The main control circuit board 5 is fixedly connected to the upper shell 1 through the first nut column 8 and the first nut hole 9; the screen guard plate 2 is made of an acrylic plate, and a guard plate fixing hole 17 is formed on the edge of the screen guard plate 2; the first nut column 8 passes through the guard plate fixing hole 17 and then is assembled with the first nut hole 9.

[0030] Specifically, the screen guard plate 2 made of acrylic material, the display screen 4 and the main control circuit board 5 are installed between the upper shell 1 and the lower shell 3, and the screen guard plate 2, the display screen 4 and the main control circuit board 5 are fixed by the first nut column 8 of the upper shell 1. The first nut column 8 and the first nut hole 9 are connected by countersunk screws. When installing, it is only necessary to align the upper shell 1 and the lower shell 3 and press them lightly. After buckling, a relatively closed space is formed inside the upper shell 1 and the lower shell 3, and the countersunk screws are screwed into the side to complete the assembly.

[0031] Among them, the transparent acrylic screen guard plate 2 designed on the upper shell 1 forms a display window 7, which is convenient for observing the parameters of the display screen 4. At the same time, the acrylic plate protects the display screen 4 from damage, and the acrylic screen guard plate 2 has the advantages of good light transmittance, waterproof and moisture-proof, anti-aging and long service life.

[0032] In this embodiment, the bottom of the display screen 4 is provided with a second nut column 10 and a buckle 11; the main control circuit board 5 is formed with a second nut hole 12 and a slot 13; the second nut column 10 and the second nut hole 12 are assembled, and the buckle 11 and the slot 13 are assembled. The main control circuit board 5 and the display screen 4 are assembled by the buckle 11 and the slot 13, and the second nut column 10 and the second nut hole 12 are directly connected as a whole by self-tapping screws, and do not need to be fixed separately, which is convenient for installation and reduces processing costs.

[0033] In this embodiment, an avoidance gap 14 is provided on the side of the upper shell 1, and the data transmission interface 6 exposes the avoidance gap 14; a microcontroller is integrated on the main control circuit board 5, and the microcontroller adopts GD32F303CBT6; the display screen 4 and the microcontroller are electrically connected, and the data transmission interface 6 and the microcontroller are electrically connected.

[0034] Specifically, the data transmission interface 6 can supply power to the main control circuit board 5 and transmit data, and at the same time, the external detection results and alarm information are also input through the data transmission interface 6 and displayed on the display screen 4. Among them, through the data transmission interface 6 of the upper shell 1, the communication line connects the main control circuit board 5 with the external system, and the detection data of the environmental parameters can be transmitted to the external system through the data transmission interface 6, and the alarm information is displayed on the display screen 4. When the detected environmental parameters exceed the preset range, the display screen 4 will issue a warning to remind personnel to take corresponding measures.

[0035] In this embodiment, the edge of the upper shell 1 is folded outward to form a mounting portion 15, and the mounting portion 15 is provided with a mounting hole 16. The mounting hole 16 reserved in the upper shell 1 allows the entire product to be fixed in a specific position using screws, so as to more accurately monitor and display environmental parameters.

[0036] See also Figure 4 In this embodiment, an optocoupler isolation circuit is provided between the data transmission interface 6 and the microcontroller, and the optocoupler isolation circuit is used to electrically isolate the microcontroller from the external flammable gas concentration monitoring sensor.

[0037] Among them, the principle of the optocoupler isolation circuit is as follows:

[0038] MCU-TXD and MCU-RXD are microcontroller I / O interfaces, and TXD and RXD are external sensor I / O interfaces; when MCU-TXD outputs a high level, the optocoupler U3 LED is turned on, the optocoupler U3 transistor side is turned on, and the TXD voltage is pulled to +5V to output a high level; when MCU-TXD outputs a low level, the optocoupler U5 LED is turned on, the optocoupler U5 transistor side is turned on, and the TXD voltage is pulled to GND to output a low level. When RXD inputs a high level, the optocoupler U4 LED is turned on, the optocoupler U4 transistor side is turned on, and MCU-RXD is pulled to a high level and inputs a high level; when RXD inputs a low level, the optocoupler U6 LED is turned on, the U6 transistor side is turned on, and MCU-RXD is pulled to GND to input a low level.

[0039] In a possible embodiment, the flammable gas concentration display device of the energy storage power station monitors the carbon monoxide and hydrogen concentrations in the air in real time, and is suitable for closed or semi-closed spaces, such as homes, offices or garages. Relying on the built-in high-precision display screen 4, the carbon monoxide and hydrogen concentrations in the air can be displayed quickly and accurately. Even non-professionals can easily read and understand the carbon monoxide and hydrogen concentration information, providing a strong guarantee for the safety of the living and working environment.

[0040] In a possible embodiment, the upper shell 1 and the lower shell 3 are positioned and installed using positioning sheet metal parts, which not only improves the assembly accuracy but also reduces the assembly difficulty. At the same time, the components are completely hidden inside the shell, and the shell provides good protection for the components.

[0041] In a possible embodiment, the outer surfaces of the upper shell 1 and the lower shell 3 are made by spraying, which improves the anti-oxidation ability of the parts and prolongs the service life. The countersunk hole design hides the screw protrusions, making the whole body smooth and beautiful in appearance.

[0042] In summary, the utility model is provided with an upper shell 1, a screen guard 2, a lower shell 3, a display screen 4, a main control circuit board 5 and a data transmission interface 6; a display window 7 is formed on the surface of the upper shell 1, the screen guard 2 is inside the display window 7, and the upper surface of the screen guard 2 covers the display window 7; the display screen 4 is arranged on the main control circuit board 5, and the lower surface of the screen guard 2 covers the display screen 4; the data transmission interface 6 is arranged on the main control circuit board 5, and the data transmission interface 6 is used to receive the detection results and alarm information of the external flammable gas concentration monitoring sensor; the display screen 4 is used to display the detection results and alarm information of the external flammable gas concentration monitoring sensor received by the data transmission interface 6; the display screen 4 and the main control circuit board 5 are both encapsulated in the internal space after the upper shell 1 and the lower shell 3 are assembled. The screen guard 2, the display screen 4 and the main control circuit board 5 made of acrylic material are installed between the upper shell 1 and the lower shell 3, and the screen guard 2, the display screen 4 and the main control circuit board 5 are fixed by the first nut column 8 of the upper shell 1. The first nut column 8 and the first nut hole 9 are connected by countersunk screws. When installing, you only need to align the upper shell 1 with the lower shell 3 and press lightly. After the upper shell 1 and the lower shell 3 are buckled, a relatively closed space is formed inside. The countersunk screws are screwed into the side to complete the assembly. The data transmission interface 6 can supply power and transmit data to the main control circuit board 5. At the same time, the external detection results and alarm information are also input through the data transmission interface 6 and displayed on the display screen 4. Among them, through the data transmission interface 6 of the upper shell 1, the communication line connects the main control circuit board 5 with the external system. The detection data of the environmental parameters can be transmitted to the external system through the data transmission interface 6, and the alarm information can be displayed on the display screen 4. When the detected environmental parameters exceed the preset range, the display screen 4 will issue a warning to remind the personnel to take corresponding measures. The utility model can ensure that the driver can easily obtain gas concentration information, so as to respond quickly. It has strong durability and stability, and can ensure normal operation in various harsh environments.

[0043] Although the utility model has been described in detail above with general descriptions and specific embodiments, it is obvious to those skilled in the art that some modifications or improvements can be made to the utility model. Therefore, these modifications or improvements made without departing from the spirit of the utility model are within the scope of protection claimed by the utility model.

Claims

1. A flammable gas concentration display device for an energy storage power station, characterized in that: It comprises an upper housing (1), a screen guard plate (2), a lower housing (3), a display screen (4), a main control circuit board (5) and a data transmission interface (6); A display window (7) is formed on the surface of the upper housing (1), the screen guard plate (2) is located inside the display window (7), and the upper surface of the screen guard plate (2) covers the display window (7); The display screen (4) is arranged on the main control circuit board (5), and the lower surface of the screen cover (2) covers the display screen (4); the data transmission interface (6) is arranged on the main control circuit board (5), and the data transmission interface (6) is used to receive the detection results and alarm information of the external flammable gas concentration monitoring sensor; the display screen (4) is used to display the detection results and alarm information of the external flammable gas concentration monitoring sensor received by the data transmission interface (6); The display screen (4) and the main control circuit board (5) are both encapsulated in the internal space after the upper shell (1) and the lower shell (3) are assembled.

2. The flammable gas concentration display device for energy storage power station according to claim 1, characterized in that: A first nut column (8) is connected to the interior of the upper shell (1), a first nut hole (9) is provided on the edge of the main control circuit board (5), and the main control circuit board (5) is fixedly connected to the upper shell (1) via the first nut column (8), the first nut hole (9) and the upper shell (1).

3. The flammable gas concentration display device for energy storage power station according to claim 2, characterized in that: The screen guard plate (2) is made of an acrylic plate, and a guard plate fixing hole (17) is formed on the edge of the screen guard plate (2); the first nut column (8) passes through the guard plate fixing hole (17) and is then assembled with the first nut hole (9).

4. The flammable gas concentration display device for energy storage power station according to claim 1, characterized in that: The bottom of the display screen (4) is provided with a second nut column (10) and a buckle (11); a second nut hole (12) and a slot (13) are formed on the main control circuit board (5); the second nut column (10) and the second nut hole (12) are assembled, and the buckle (11) and the slot (13) are assembled.

5. The flammable gas concentration display device for energy storage power station according to claim 1, characterized in that: A side portion of the upper shell (1) is provided with an escape notch (14), and the data transmission interface (6) exposes the escape notch (14).

6. The flammable gas concentration display device for energy storage power station according to claim 1, characterized in that: The edge of the upper shell (1) is folded outward to form a mounting portion (15), and a mounting hole (16) is provided on the mounting portion (15).

7. The flammable gas concentration display device for energy storage power station according to claim 1, characterized in that: The main control circuit board (5) is integrated with a microcontroller, and the microcontroller adopts GD32F303CBT6; The display screen (4) is electrically connected to the microcontroller, and the data transmission interface (6) is electrically connected to the microcontroller.

8. The flammable gas concentration display device for energy storage power station according to claim 7, characterized in that: An optocoupler isolation circuit is provided between the data transmission interface (6) and the microcontroller, and the optocoupler isolation circuit is used to electrically isolate the microcontroller from an external flammable gas concentration monitoring sensor.

Images