Fire-fighting simulation straight-flow water gun for mixed reality

Abstract

The utility model discloses a fire-fighting simulation straight-flow water gun for mixed reality. The fire-fighting simulation straight-flow water gun mainly solves the problems that an existing fire-fighting simulation water gun is limited in use range and inconvenient to carry. The fire-fighting simulation water gun comprises a connecting interface, a gun body, a PCB (Printed Circuit Board) bracket, a PCB, a key mechanism and a battery box, wherein the connecting interface is used for being clamped with the outside; the gun body is fixedly connected with the connecting interface and is hollow inside; the PCB bracket is arranged inside the gun body; and the sensing module is arranged at a nozzle at the tail part of the gun body. The PCB capable of receiving and transmitting signals is integrated in the gun body, the electronic key switch is triggered through operation, corresponding events are sent to the head-mounted display through Bluetooth, linkage with the virtual world is achieved in a wireless connection mode, and the effect is presented in a virtual scene, so that a traditional wired mode is abandoned, constraint of cables is reduced, and the safety of the gun body is improved. The whole structure is compact, the size is small, and carrying is convenient.

Description

Technical Field

[0001] The utility model belongs to the technical field of fire fighting mixed reality training, and specifically relates to a fire fighting simulated straight stream water gun for mixed reality. Background Art

[0002] In recent years, accidents such as highway tunnel fires, explosions, and collapses have occurred frequently, causing inestimable economic losses and social impacts. To effectively respond to various tunnel disaster accidents, tunnel operation units and fire rescue teams generally carry out emergency drills to improve the emergency response capabilities of emergency personnel and the public's escape skills. With the rapid development of computer technology and extended reality technology, using virtual reality (VR) or mixed reality (MR) technology to build an emergency simulation system and carry out accident emergency drills has become a more efficient way.

[0003] Most of the existing fire fighting simulated straight stream water guns are connected to the head-mounted display device in a wired manner, and the overall structure of the device is complex, the use range of the simulator is limited, it is not convenient to carry during fire drills, and the comfort of operation is affected when using the simulator, reducing the effect of fire fighting water gun simulation training. Summary of the Utility Model

[0004] The purpose of the utility model is to provide a fire fighting simulated straight stream water gun for mixed reality, mainly solving the problems of limited use range and inconvenient carrying of the existing fire fighting simulated straight stream water gun.

[0005] To achieve the above purpose, the technical scheme adopted by the utility model is as follows:

[0006] A fire fighting simulated straight stream water gun for mixed reality, including a connection interface for external clamping, a gun body fixedly connected to the connection interface and hollow inside, a PCB bracket arranged inside the gun body, a PCB board with a Bluetooth module fixedly installed on the PCB bracket, a key mechanism arranged on the gun body and directly acting on the PCB board, a battery box arranged in the connection interface, and an induction module arranged at the nozzle at the tail of the gun body; the induction module is composed of a plurality of passive beacons facing different directions.

[0007] Further, in the utility model, the diameter of the gun body gradually decreases from the connection interface to the nozzle at the tail of the gun body.

[0008] Further, in the utility model, the key mechanism is composed of a key installation module fixed on the gun body and a key installed on the key installation module and electrically connected to the PCB board through a wire.

[0009] Furthermore, in the present utility model, a connecting device is fixed to the tail of the gun body by screws, and a clamping groove is provided on the connecting device; one end of the induction module is snapped into the clamping groove and fixed by screws.

[0010] Furthermore, in the present utility model, the connecting interface and the gun body are made of aluminum alloy material.

[0011] Compared with the prior art, the present utility model has the following beneficial effects:

[0012] In the present utility model, a PCB board capable of receiving and transmitting signals is integrated in the gun body. By operating the trigger electronic key switch, the corresponding event is sent to the head-mounted display via Bluetooth, and the linkage with the virtual world is realized in a wireless connection manner, presenting an effect in the virtual scene, thereby abandoning the traditional wired form, reducing the bondage of cables, and having a compact overall structure, small volume, and being convenient to carry. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 It is a schematic diagram of the overall structure of the present utility model.

[0014] Figure 2 It is an exploded structure schematic diagram of the present utility model.

[0015] Among them, the names corresponding to the reference numerals are:

[0016] 1 - connecting interface, 2 - gun body, 3 - PCB bracket, 4 - battery box, 5 - induction module, 6 - key installation module, 7 - key, 8 - connecting device, 9 - clamping groove. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0017] The present utility model will be further described below in conjunction with the drawings and embodiments. The implementation manners of the present utility model include but are not limited to the following embodiments.

[0018] As Figure 1 , 2 shown, a fire simulation straight stream water gun for mixed reality disclosed by the present utility model includes a connecting interface 1 for external clamping, a gun body 2 fixedly connected to the connecting interface 1 and hollow inside, a PCB bracket 3 arranged inside the gun body 2, a PCB board with a Bluetooth module fixedly installed on the PCB bracket 3, a key mechanism arranged on the gun body 2 and directly acting on the PCB board, a battery box 4 arranged inside the connecting interface 1, and an induction module 5 arranged at the nozzle at the tail of the gun body 2. Among them, in order to make the entire fire simulation water gun light and convenient to carry, the connecting interface 1 and the gun body 2 are made of aluminum alloy material.

[0019] In order to achieve the same grip feeling as a traditional fire hose, the diameter of the gun body 2 gradually decreases from the connection interface 1 to the nozzle at the rear of the gun body 2. At the same time, the PCB bracket 3 is arranged at a section of the gun body 2 with a larger diameter.

[0020] In this embodiment, the button mechanism is composed of a button installation module 6 fixed on the gun body 2 and a button 7 installed on the button installation module and electrically connected to the PCB board through a wire. Among them, the button installation module 6 and the button 7 are each provided with a plurality of buttons for controlling the switch of the fire simulation water gun and the interaction with the head display. In this embodiment, the buttons 7 are provided with three buttons, namely, the menu button, the home button and the confirmation button. Long press the menu button for 3 seconds to turn on, and long press the menu button for 5 seconds to turn off; press the home button, the head display enters the settings-peripheral management page, and according to the prompt (long press the menu button + home button on the handle), complete the connection between the mixed reality head-mounted display device and the water gun. Press the confirmation button to implement the jet fire extinguishing training, and the virtual scene of the head display interface shows a DC water column scene.

[0021] In this embodiment, a connecting device 8 is fixed to the rear of the gun body 2 by screws, and a snap-in slot 9 is provided on the connecting device 8; one end of the sensing module 5 is snapped into the snap-in slot 9 and fixed by screws.

[0022] The utility model integrates a PCB board capable of receiving and transmitting signals in a gun body, triggers an electronic key switch through operation, sends corresponding events to a head display via Bluetooth, and interacts with a virtual world to present effects in a virtual scene.

[0023] In specific applications, the operator wears a mixed reality head-mounted display (MR headset), connects the MR headset to the fire simulation water gun via Bluetooth, and presses the interactive button during use to see the effect of the fire gun spraying a direct current of water on the MR headset display interface.

[0024] The above embodiment is only one of the preferred implementation modes of the present utility model and should not be used to limit the protection scope of the present utility model. Any changes or modifications that are made to the main design concept and spirit of the present utility model without any substantive significance, as long as the technical problems solved are still consistent with the present utility model, should be included in the protection scope of the present utility model.

Claims

1. A straight - stream fire - fighting simulation water gun for mixed reality, characterized in that, It includes a connection interface (1) for external clamping, a gun body (2) fixedly connected to the connection interface (1) and hollow inside, a PCB bracket (3) arranged inside the gun body (2), a PCB board with a Bluetooth module fixedly installed on the PCB bracket (3), a key mechanism arranged on the gun body (2) and directly acting on the PCB board, a battery box (4) arranged inside the connection interface (1), and an induction module (5) arranged at the nozzle at the tail of the gun body (2); the induction module (5) consists of a plurality of passive beacons facing different directions.

2. The direct-flow fire hose for fire fighting simulation in mixed reality according to claim 1, characterized in that The diameter of the gun body (2) gradually decreases from the connection interface (1) to the nozzle at the tail of the gun body (2).

3. The direct-current water gun for fire fighting simulation in mixed reality according to claim 2, characterized in that The key mechanism consists of a key installation module (6) fixed on the gun body (2) and a key (7) installed on the key installation module and electrically connected to the PCB board through a wire.

4. The direct current fire hose for fire fighting simulation in mixed reality according to claim 3, characterized in that A connection device (8) is fixed to the tail of the gun body (2) by screws, and a clamping groove (9) is formed on the connection device (8); one end of the induction module (5) is snapped into the clamping groove (9) and fixed by screws.

5. The direct current fire hose for fire fighting simulation in mixed reality according to claim 4, characterized in that, The connection interface (1) and the gun body (2) are made of aluminum alloy material.

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