Disposable forest fire detector
By designing a disposable forest fire detector and utilizing the energy release mechanism of a trigger energy storage device, low-cost and efficient forest fire detection has been achieved. This solves the problem of expensive equipment covering large areas of forest in existing technologies and provides a lightweight, low-cost, and environmentally friendly detection solution.
Patent Information
- Application Number
- PCT/CN2024/114092
- Authority / Receiving Office
- WO · WO
- Patent Type
- Applications
- Current Assignee / Owner
- Priority Date
- 2024-08-14
- Filing Date
- 2024-08-23
- Publication Date
- 2026-02-19
AI Technical Summary
Existing forest fire detectors are expensive and cannot effectively cover large forest areas, resulting in high fire prevention costs.
A disposable forest fire detector was designed, including a detection device and a signal transceiver. The detection device consists of a triggering device, a sound-emitting device, and an energy storage device. The sound-emitting device is activated by triggering the energy storage device to release energy, and the signal transceiver sends the signal to a remote terminal to realize fire detection.
It enables low-cost and efficient fire detection in large areas of forest. The sound-emitting device is small in size, light in weight, and inexpensive, making it environmentally friendly and avoiding the need to lay out expensive equipment.
Smart Images

Figure CN2024114092_19022026_PF_FP_ABST
Abstract
Description
Disposable forest fire detector TECHNICAL FIELD
[0001] The utility model relates to forest fire prevention technical field, specifically, relate to disposable forest fire detector. BACKGROUND
[0002] Wildfires can have devastating effects on our environment and economy, forest fire detectors need to be designed for harsh outdoor applications, detectors need to withstand storms, sunlight, ice and dust. Existing smoke detector and flame detector technology is still too expensive, cannot cover large forests, forest fire detector systems need very low cost to cover a wide area.
[0003] SUMMARY
[0004] The utility model discloses a disposable forest fire detector, to solve the problem of the prior art due to the expensive detection equipment cannot cover large forest.
[0005] The embodiment of the utility model realizes by following technical scheme:
[0006] Disposable forest fire detector, including detection device and signal transceiver device, the detection device is used to detect the occurrence of fire and sends out the signal, the signal transceiver device is used to receive the signal sent out by detection device, and sends to remote terminal.
[0007] The detection device includes trigger device, sound production device and energy storage device, the trigger device is connected with the energy storage device, the sound production cavity is connected with the energy storage device, the trigger device is used to trigger energy storage device release makes sound production device work energy.
[0008] Preferably, the trigger device includes a thermosensitive element and a first housing, the sound production device includes a first sound production cavity, the energy storage device includes a gas storage cavity, the thermosensitive element is arranged in the first housing, the sound production cavity is connected to one end of the first housing, the gas storage cavity is connected with the outside of the first housing, and the first sound production cavity is contained in the gas storage cavity.
[0009] Preferably, the trigger device includes a holding coil, a compression spring, a striking device and a second housing, the second housing bottom is connected with the energy storage device, the second housing includes a placement cavity and a second sound production cavity, the compression spring is arranged in the placement cavity, one end of the compression spring is connected with the top of the placement cavity, the other end is connected with the striking device for triggering the energy storage device, a breakable diaphragm is arranged between the placement cavity and the energy storage device, and the holding coil is used to keep the compression spring in the compressed state.
[0010] Preferably, the energy storage device comprises a third shell and a sodium azide layer arranged in the third shell, the sodium azide layer is located at the bottom of the second sound production cavity, and the third shell is connected with the second shell.
[0011] Preferably, the impact device comprises a connecting plate, a connecting shaft and an impact block, the impact block is connected with the connecting plate through the connecting shaft, and the connecting plate is connected with one end of the compression spring.
[0012] Preferably, the bottom of the sodium azide layer is provided with a partition plate, and the partition plate is connected in the third shell.
[0013] Preferably, the signal transceiver device comprises a sound signal receiver, a signal processor and a transmitter unit, the sound signal receiver is electrically connected with the signal processor, and the transmitter unit is electrically connected with the signal processor.
[0014] The technical scheme of the utility model embodiment has at least the following advantages and beneficial effects:
[0015] The system provided by the utility model mainly comprises a detection device and a signal transceiver device, the detection device comprises a trigger device, a sound production device and an energy storage device, the trigger device is connected with the energy storage device, the sound production cavity is connected with the energy storage device, the trigger device is used for triggering the energy storage device to release energy for working the sound production device, through the use of the system, only the sound production device for detecting forest fire in a large area is needed, after receiving the signal by the signal transceiver device, the signal is sent to a remote terminal such as a fire command center, and the whole fire detection can be completed, the sound production device in the scheme is small in size, light in weight, low in price and friendly to the environment, and expensive smoke detectors or flame detectors do not need to be laid. BRIEF DESCRIPTION OF DRAWINGS
[0016] In order to more clearly illustrate the technical scheme of the utility model embodiment, the following will briefly introduce the drawings needed to be used in the embodiment, and it should be understood that the following drawings only show some embodiments of the utility model, and should not be regarded as the limitation to the scope, and for the ordinary skilled in the art, other related drawings can be obtained without the creative labor on the premise of the drawings.
[0017] Fig. 1 is a system structure schematic view of the utility model embodiment one;
[0018] Fig. 2 is a detection device structure schematic view of the utility model embodiment two;
[0019] Fig. 3 is a detection device structure schematic view of the utility model embodiment three.
[0020] Icon: 101- gas storage cavity, 102- first shell, 103- thermal element, 104- first sound cavity, 201- placement cavity, 202- compression spring, 203- second shell, 204- second sound cavity, 205- sodium azide layer, 207- impact block, 208- partition, 209- third shell, 210- diaphragm, 211- connecting shaft. DETAILED DESCRIPTION
[0021] In order to make the purpose, technical scheme and advantages of the embodiments of the present application more clear, the technical scheme in the embodiments of the present application will be described clearly and completely below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are part of the embodiments of the present application, rather than all the embodiments. The components of the embodiments of the present application described and shown in the drawings herein can be arranged and designed in various different configurations.
[0022] Embodiment one:
[0023] Please refer to FIG. 1, the present application provides a disposable forest fire detector, including a detection device and a signal transceiver device, the detection device is used for detecting the occurrence of fire and sending signals, the signal transceiver device is used for receiving the signal sent by the detection device, and sending to a remote terminal;
[0024] The detection device includes a trigger device, a sound device and an energy storage device, the trigger device is connected with the energy storage device, the sound cavity is connected with the energy storage device, and the trigger device is used for triggering the energy storage device to release the energy for the sound device to work.
[0025] The system provided by the present application mainly includes a detection device and a signal transceiver device, the detection device includes a trigger device, a sound device and an energy storage device, the trigger device is connected with the energy storage device, the sound cavity is connected with the energy storage device, and the trigger device is used for triggering the energy storage device to release the energy for the sound device to work. Through the use of the system, only the sound device for detecting forest fire covering a large area is needed, after receiving the signal by the signal transceiver device, the signal is sent to the remote terminal such as the fire command center, so that the whole fire detection can be completed. The sound device in the present scheme is small in size, light in weight, low in price and friendly to the environment, and does not need to lay expensive smoke detectors or flame detectors.
[0026] In addition, the signal transceiver device includes a sound signal receiver, a signal processor and a transmitter unit, the sound signal receiver is electrically connected with the signal processor, and the transmitter unit is electrically connected with the signal processor.
[0027] Of course, the output antenna, microphone, radio frequency antenna, radio frequency amplifier and other devices that should be set to help the signal transceiver device to transmit and receive signals can also be set.
[0028] Secondly, in the detection device that needs to use electric energy, a mobile power supply can be arranged, and the mobile power supply can be charged by solar energy, so that frequent replacement is not needed.
[0029] Embodiment two:
[0030] Please refer to Figs. 1-2, on the basis of embodiment one, an example embodiment of the present application is provided, specifically, the trigger device includes a thermal element 103 and a first shell 102, the sound emitting device includes a first sound emitting cavity 104, the energy storage device includes a gas storage cavity 101, the thermal element 103 is arranged in the first shell 102, and is used for connecting the first shell 102 at high temperature, the sound emitting cavity is connected to one end of the first shell 102, the gas storage cavity 101 is connected with the outside of the first shell 102, and the first sound emitting cavity 104 is contained in the gas storage cavity 101.
[0031] The first shell 102 can be a cylindrical structure through front and back, and the thermal element 103 completely blocks the communication of the front end and the rear end of the first shell 102 when not in use.
[0032] The first sound emitting cavity 104 is a structure that can emit sound when gas passes through, and a conventional structure of the prior art can be directly used, and the present application will not be described in detail.
[0033] The first shell 102 is arranged at the gas outlet end of the first sound emitting cavity 104, and the gas inlet end of the first sound emitting cavity 104 is located in the inside of the gas storage cavity 101, in this embodiment, the gas storage cavity 101 can be filled with high-pressure gas, such as dry ice, and the dry ice releases a large amount of carbon dioxide gas at room temperature after being filled, and the pressure is generated due to the plugging of the thermal element 103.
[0034] The thermal element 103 can be a plastic air bag, which softens and breaks when subjected to high temperature, and releases the gas in the gas storage cavity 101, so as to achieve the purpose of making the first sound emitting cavity 104 emit sound.
[0035] Embodiment three:
[0036] Please refer to Fig. 1 and Fig. 3, on the basis of the first embodiment, another example embodiment of the present application is provided, the trigger device includes compression spring 202, impact device and second shell 203, the second shell 203 bottom connection energy storage device, the second shell 203 includes the placement cavity 201 and the second sound cavity 204, the placement cavity 201 is the structure that upper end is closed, lower end is open, the second sound cavity 204 is the structure that gas can emit sound normally.
[0037] Compression spring 202 is arranged in the placement cavity 201, one end is connected with the top of the placement cavity 201, the other end is connected with the impact device for triggering the energy storage device, the placement cavity 201 and the energy storage device are provided with a breakable diaphragm 210, the diaphragm 210 can use the soft diaphragm 210 of conventional plastic material, which can maintain the compression state of the compression spring 202.
[0038] In use, the diaphragm 210 begins to soften under the influence of high temperature, until it can not maintain the compression state of the compression spring 202, then the compression spring 202 releases the elastic force, drives the impact device into the energy storage device, triggers the energy storage device.
[0039] Specifically, the energy storage device includes a third shell 209, a sodium azide layer 205 arranged in the third shell 209, the sodium azide layer 205 is located at the bottom of the second sound cavity 204, and the third shell 209 is connected with the second shell 203.
[0040] In the impact, sodium azide reacts to produce a large amount of nitrogen gas, which passes through the second sound cavity 204 to generate a sound signal.
[0041] In this embodiment, the impact device includes a connecting plate, a connecting shaft 211 and an impact block 207, the impact block 207 is connected with the connecting plate through the connecting shaft 211, and the connecting plate is connected with one end of the compression spring 202.
[0042] The impact block 207 can adopt ordinary hard solid to generate friction with sodium azide, or can adopt a piezoelectric element to generate an electric arc, which is better to excite sodium azide.
[0043] In addition, the bottom of the sodium azide layer 205 is provided with a partition plate 208, and the partition plate 208 is connected in the third shell 209.
[0044] In addition, in order to avoid aging of the diaphragm 210, the diaphragm 210 can not be provided, and a holding device is further provided, the holding device comprising a holding coil and a core, the holding coil being wound outside the core, the core being arranged inside the compression spring 202, one end of the core being fixedly connected to the top of the placing cavity 201, and the connecting plate being made of metal; when current passes through the coil, a magnetic field is generated, the core is magnetized, and the connecting plate is adsorbed and held; when the temperature rises to a certain degree, the electromagnetic coil fails, the core is separated from the connecting plate, and the elastic force of the compression spring 202 is released.
[0045] In the use process of the detection device, the detection device is light in weight and low in cost, can be air-dropped into the forest by a helicopter, and has hooks on the detection device, which allow branches to be captured and hung on the branches.
[0046] The low-cost detection devices are dropped into the forest by a helicopter in a wide range to cover the area of all trees.
[0047] Every several kilometers of radius, a signal transceiver device (solar power generation) is installed to receive the fire event and position sent by the heat detector, and then the fire information is sent to the control center.
[0048] The above is only the preferred embodiment of the utility model, and is not used for limiting the utility model, and the utility model can have various changes and changes for the person skilled in the art. Any modification, equivalent replacement, improvement, etc. within the spirit and principles of the utility model should be included in the protection scope of the utility model.
Claims
1. A disposable forest fire detector, characterized in that The application relates to a fire alarm device, which comprises a detecting device for detecting the occurrence of fire and sending signals, and a signal transceiver device for receiving the signals sent by the detecting device and sending to a remote terminal. The detecting device comprises a triggering device, a sound emitting device and an energy storage device, the triggering device is connected with the energy storage device, the sound emitting cavity is connected with the energy storage device, and the triggering device is used for triggering the energy storage device to release energy for making the sound emitting device work.
2. The disposable forest fire detector according to claim 1, characterized in that, The triggering device comprises a thermal sensitive element and a first shell, the sound emitting device comprises a first sound emitting cavity, the energy storage device comprises a gas storage cavity, the thermal sensitive element is arranged in the first shell, the sound emitting cavity is connected with one end of the first shell, the gas storage cavity is connected with the outside of the first shell, and the first sound emitting cavity is arranged in the gas storage cavity.
3. The disposable forest fire detector according to claim 1, characterized in that, The triggering device comprises a compression spring, a striking device and a second shell, the second shell is connected with the energy storage device at the bottom, the second shell comprises a placing cavity and a second sound emitting cavity, the compression spring is arranged in the placing cavity and connected with the striking device for triggering the energy storage device at one end and the other end, and a breakable diaphragm is arranged between the placing cavity and the energy storage device.
4. The disposable forest fire detector according to claim 3, characterized in that, The energy storage device comprises a third shell and a sodium azide layer arranged in the third shell, the sodium azide layer is arranged at the bottom of the second sound emitting cavity, and the third shell is connected with the second shell.
5. The disposable forest fire detector according to claim 4, characterized in that, The striking device comprises a connecting plate, a connecting shaft and a striking block, the striking block is connected with the connecting plate through the connecting shaft, and the connecting plate is connected with one end of the compression spring.
6. The disposable forest fire detector according to claim 5, characterized in that, The bottom of the sodium azide layer is provided with a partition plate connected in the third shell.
7. The disposable forest fire detector according to claim 1, characterized in that, The signal transceiver device comprises a sound signal receiver, a signal processor and a transmitter unit, the sound signal receiver is electrically connected with the signal processor, and the transmitter unit is electrically connected with the signal processor.
Citation Information
Patent Citations
Temperature sensing alarm
CN106023510A
Shape memory polymer material-based fire trigger alarm device
CN106846702A
Pipe-type fire extinguishing equipment for extinguishing fire inside ship transport container
CN112912148A
Intelligent automatic fire alarm device for building
CN116543520A
Forest fire detection device
CN202995947U