CN212575480U

CN212575480U - Miniature automatic fire extinguisher

Info

Publication number: CN212575480U
Application number: CN202020527702.6U
Authority: CN
Inventors: 黄海舟; 陈林同
Original assignee: Zhejiang Yasufei Intelligent Technology Co ltd
Current assignee: Zhejiang Yasufei Intelligent Technology Co ltd
Priority date: 2020-04-10
Filing date: 2020-04-10
Publication date: 2021-02-23
Anticipated expiration: 2030-04-10

Abstract

The utility model provides a miniature automatic fire extinguishing device, including casing, inner bag, aerosol grain, outer temperature measurement spare, communication module, circuit board, electronic igniter and battery, wherein the inner bag is installed in the casing, inside aerosol grain that is equipped with, outer temperature measurement spare is independent of the casing sets up, it through an external conductor with circuit board electricity is connected, and electronic igniter's one end is connected with circuit board electricity, the other end stretch into the inner bag in contact with the aerosol grain, circuit board with the communication module electricity is connected. The utility model discloses special remote control to unmanned on duty place is put out a fire and is designed, after this device launches, can send notice (or call the warning) to surveillance center and fortune dimension personnel through the form of SMS immediately to in time change or will launch the miniature automatic fire extinguishing device recovery, so that with the condition of a fire quick control that takes place once more, avoid the condition of a fire out of control.

Description

Miniature automatic fire extinguisher

Technical Field

The utility model relates to a fire extinguisher field especially relates to a miniature automatic fire extinguishing device in space suitable for little space, unmanned on duty.

Background

Fire extinguishers are fire extinguishing tools and fire fighting tools which are commonly used, and chemical substances are placed in the fire extinguishers to extinguish fire, and the fire extinguishers are various in types. Among them, the traditional canned dry powder fire extinguisher is the most, and the portable aerosol fire extinguishing device is also popular in the market at present.

However, for small spaces, unattended spaces and closed spaces, such as switch cabinets, transformers, power distribution cabinets, engine compartments, circuit boards inside electronic and electrical appliances and the like, the traditional canned dry powder fire extinguisher and the written aerosol fire extinguishing device have overlarge volume and are inconvenient to use objectively; because the small space and most of the closed space are effective and the needed fire extinguishing agent does not need to be too much, if the two fire extinguishers are used, waste is easily caused. In addition, the two fire extinguishers are manually operated, and the fire extinguishers do not have the requirement of manual operation in unattended and closed spaces. Therefore, in practice, there are many fire points in the unattended and sealed space with a large part of space, and corresponding fire extinguishing systems, such as warehouses, can be arranged. Therefore, the miniature automatic fire extinguishing device is produced at the same time.

The patent application number 201721865183.9, Chinese Utility model, discloses a miniature aerosol fire extinguishing device, comprising a shell, an inner container, an aerosol grain and a heat-sensitive wire; an inner container in clearance fit with the shell is arranged in the shell, and the inner cavity of the inner container is an aerosol generating chamber used for filling aerosol grains; the upper surface of the inner container is provided with more than two round holes as spray holes; the outer surface of the shell is provided with more than one nozzle. The temperature sensing line is a temperature sensing detection starting line, one end of the temperature sensing line penetrates through the shell and the inner container and then contacts with the aerosol grain, and when the temperature in the space where the temperature sensing line is located rises to a set starting temperature, the temperature sensing line starts the aerosol grain. After the aerosol grain is started, solid-gas conversion reaction occurs in the generating chamber, and the generated aerosol fire extinguishing smoke is released into a protective space through a nozzle on the shell so as to rapidly control fire in a full-submerged mode.

However, the miniature aerosol fire extinguishing device of the above patent has a fatal problem in use: in unmanned on duty or airtight space, because miniature aerosol extinguishing device is automatic temperature sensing and starts the aerosol powder column and put out a fire, consequently also unmanned after its start-up knows, because the measure of putting out a fire of this department has become invalid, if the condition of a fire takes place once more in this department, then can't control the condition of a fire.

Based on this, the present application is proposed.

Disclosure of Invention

The utility model provides a be applicable to little space, unmanned on duty or the miniature automatic fire extinguishing device that sealed space used, solve the problem that can't master miniature automatic fire extinguishing device state among the prior art to can automatic feedback, remind relevant personnel to change after making miniature automatic fire extinguishing device start.

In order to realize the purpose, the utility model discloses a miniature automatic fire extinguishing device comprises a shell, an inner container, an aerosol grain, an outer temperature measuring piece, a communication module, a circuit mainboard and a battery; wherein the inner container is arranged in the shell, the inner part is provided with the aerosol grain, the outer surface of the upper part of the inner container is provided with more than two openings which are used as spray holes, and the outer surface of the shell is provided with openings. The outer temperature measuring piece is independent of the shell and is electrically connected with the circuit main board through an external lead. And an electronic igniter is arranged, one end of the electronic igniter is electrically connected with the circuit main board, and the other end of the electronic igniter extends into the inner container to be contacted with the aerosol explosive column. The circuit main board is electrically connected with the communication module, and the communication module is used for communicating with a mobile terminal.

This section structure is compared in the heat-sensitive line, and the miniature automatic fire extinguishing device that adopts temperature sensor can customize the different threshold values that detonate the aerosol powder column according to service environment, and application range is wider and be difficult to take place the maloperation.

The utility model discloses outer temperature measurement spare is arranged in detecting the temperature in the little space of installation, unmanned on duty or the confined space and will control the aerosol grain start-up and put out a fire, and circuit board sends prompting signal to fortune dimension personnel through communication module after aerosol grain launches the detection temperature and compares the judgement with the temperature of predetermineeing, tells here miniature automatic fire extinguishing device and has launched, need change and clear up to this looks over relevant field conditions.

Through the above-mentioned part and process, the utility model discloses an automatic feedback after miniature automatic fire extinguishing device launches has effectively solved among the prior art the unmanned condition of knowing after miniature automatic fire extinguishing device launches and has appeared to avoid the condition that the condition of the fire that produces from this appears once more and can't in time put out a fire control to appear, both reduced fortune dimension personnel's working strength, also strengthened the management and control to the condition of fire in unmanned on duty, airtight space and the little space greatly.

In addition, the outer temperature measuring element and the shell are respectively and independently arranged, so that the outer temperature measuring element and the shell are not interfered with each other in installation and are respectively installed according to use requirements; secondly, the external temperature measuring element can realize remote temperature measurement and is not influenced by the coolant sprayed by the miniature automatic fire extinguishing device: not only can the temperature change of the measuring point be continuously monitored after the fire extinguishing agent is sprayed, but also the subsequent recycling of the external temperature measuring piece is facilitated.

The utility model discloses further set up as follows: the communication module is a GPRS module. GPRS is a General Packet Radio Service (General Packet Radio Service) and is a mobile data Service available to GSM mobile phone users. By means of the GPRS module, the circuit main board can be connected quickly and conveniently at any time and any place in a short message mode, alarm information is directly sent to a mobile phone of an operation and maintenance worker or a control background, the GPRS cost is reasonable, and production cost reduction is facilitated.

The utility model discloses further set up as follows: the GPS module is arranged on the circuit main board. Combine GPS module and GPRS module, can feed back miniature automatic fire extinguishing device's specific position when transmitting alarm information and provide the location, this location of fortune dimension personnel accessible can directly reach this department, provides very big facility for fortune dimension personnel's work.

The utility model discloses further set up as follows: the external temperature measuring piece electrically connected with the circuit main board is an infrared temperature sensor for detecting equipment components, such as SMTIR9901/02/02 sil. The infrared temperature sensor has the advantages that: the infrared temperature sensor can be directed at specific parts, for example electrical switch, circuit board in the switch board, compare with measuring ambient temperature, and the infrared temperature sensor directly aims at specific parts of specific equipment and detects, and its precision that detects is higher, and it is also faster to the reaction rate that the temperature rises fast to specific parts appearance. Moreover, non-contact temperature measurement can be carried out far away from a measuring point, so that the device is convenient to install and use, normal use of equipment and a cabinet body is not influenced, and the device is more suitable for an actual use environment; the temperature measuring device is convenient to avoid the temperature measuring element from being influenced by the raised temperature due to too close distance to the temperature measuring point, protects the normal work of the temperature measuring element and damages the temperature measuring element, is convenient to recycle and realize the recycling of resources, and can also reduce the production cost.

The utility model discloses further set up as follows: be equipped with high in the clouds server, circuit board passes through communication module and regularly uploads the data that outer temperature measurement spare or outer temperature measurement spare detected and acquire to high in the clouds server, and the fortune dimension personnel can look over the condition in real time through high in the clouds server.

The utility model discloses further set up as follows: a metal bracket is arranged outside the shell and comprises a mounting seat for assembly; and/or a magnet is fixed outside the shell for installation.

The utility model discloses further set up as follows: and a heat insulation isolation layer is arranged between the inner container and the circuit main board and between the inner container and the battery.

For further monitoring the inside temperature of the shell, the utility model discloses further set up as follows: the shell is internally provided with an internal temperature measuring part, particularly near the circuit main board, the internal temperature measuring part is electrically connected with the circuit main board, and the internal temperature measuring part is used for continuously carrying out temperature detection on the interior of the shell and transmitting the detected internal temperature data to the circuit main board.

For the outer temperature measurement spare of being convenient for, the utility model discloses further set up as follows: the bottom of the shell is sealed by an end cover, and the end cover is provided with a wire outlet column.

The utility model discloses further set up as follows: the communication module, the GPS module and the circuit main board are electrically connected with the battery, and a wire or an electric plug used for connecting an external power supply is connected at the power end of the external temperature measuring piece. The power supply mode of the device is divided into an external power supply and an internal self-contained battery, so that the requirement on the electric capacity of the internal self-contained battery can be reduced, the service life of the same type of battery in the device can be prolonged, the replacement times can be reduced, and the device is suitable for practical use. In addition, because the outer temperature measurement spare is independent of the casing setting and can be in the certain distance of casing interval in this device, outer temperature measurement spare uses external power supply can enough reduce the connecting wire between outer temperature measurement spare and the casing, reduce the installation degree of difficulty, also is convenient for the use of the long distance (for example more than 50 cm) between outer temperature measurement spare and the casing, expands the application range of this device.

The utility model has the advantages as follows:

one, the utility model discloses special remote control to unmanned on duty place is put out a fire and is designed, after this device launches, can send notice (or call the warning) to surveillance center and fortune dimension personnel through the form of SMS immediately to in time change or will launch the miniature automatic fire extinguishing device recovery, so that with the condition of a fire quick control that takes place once more, avoid the condition of a fire out of control.

Second, the utility model discloses simple structure, installation are easy, with low costs, the reliability is high to can realize the effective control to unmanned on duty or airtight space fire prevention and extinguishing device operation to a certain extent.

Drawings

Fig. 1 is a schematic view of the overall structure of embodiment 1 of the present invention.

Fig. 2 is a schematic view of the upper surface structure of embodiment 1 of the present invention.

Fig. 3 is a schematic view of the working principle of embodiment 1 of the present invention.

Fig. 4 is a schematic view of the working principle of embodiment 3 of the present invention.

Reference numerals: 100-shell, 200-inner container, 300-coolant, 400-aerosol powder column, 500-electronic igniter, 600-heat preservation isolation layer, 700-circuit main board, 800-battery, 900-infrared sensor, 110-spray hole, 120-outlet column I, 130-outlet column II.

Detailed Description

Example 1

As shown in fig. 1, the utility model provides a miniature aerosol automatic fire extinguishing device, including casing 100, inner bag 200, aerosol grain 400, coolant 300, infrared sensor 900, interior temperature measurement spare, communication module, electronic igniter 500, circuit board 700 and battery 800. The inner container 200 is installed in the casing 100 and has a length of about 1/2-2/3 of the casing 100, and the bottom of the casing 100 is sealed by an end cap. The inner container 200 is used for containing the aerosol grain 400 and the coolant 300, and with reference to the direction shown in fig. 1, the aerosol grain 400 is arranged at the bottom of the inner container 200, the coolant 300 is arranged above the aerosol grain 400, and normally, a layer of separation paper separates the coolant 300 and the aerosol grain 400. And the ignition portion of the electronic igniter 500 is in contact with the aerosol charge 400 for direct ignition. As shown in fig. 2, 5 holes are uniformly distributed on the upper surface of the casing 100 as the nozzles 110, and the upper surface of the electronic liner 200 has corresponding outlets, the number of which is not limited, and may correspond to the number and position of the nozzles 110 on the casing 100, or may be a central outlet. In another embodiment, the upper end of the inner container 200 is directly designed as an opening, and the nozzle holes 110 of the casing 100 are designed as tapered holes to increase the range of the jet.

Continuing to refer to fig. 1, below the inner container 200, there is a thermal insulation layer 600 fixed on the inner wall of the casing 100, the thermal insulation layer 600 separates the space at the lower part or bottom of the casing 100, and the separated bottom space is used for placing the circuit board 700 and related components. On one hand, the heat insulation isolation layer 600 is used for preventing the aerosol grain 400 in the inner container 200 from generating impact on the circuit main board 700, the battery 800 and other parts after ignition and explosion; on the other hand, since the temperature of the inner container 200 and the whole housing 100 is too high after the ignition of the aerosol grain 400, it is known that the circuit board 700 is not suitable for working in a high temperature environment, and therefore the heat insulation isolation layer 600 is also used for isolating the heat generated by the ignition of the aerosol grain 400. In short, the insulation layer 600 is to ensure that the circuit board 700 and the related components are protected from the reaction of the drugs in the inner container 200. As a preferable mode, the thermal insulation layer 600 may be made of partition board, asbestos, and reflective aluminum paper, and is used to protect the electronic circuit or electronic device placed therein, so that it can work normally and can be recycled for reuse. Certainly, in order to facilitate the arrangement of the electronic igniter 500, the insulating layer 600 is provided with a wire passing hole, and the data line and the power line of the electronic igniter 500 pass through the wire passing hole to be electrically connected with the battery 800 and the circuit board 700.

The bottom space structure of the present embodiment is as follows: in the space isolated by the heat-insulating isolation layer 600 at the bottom of the casing 100, a circuit board 700 and a battery 800 are installed, a control unit, a communication module and related circuits are integrated on the circuit board 700, the circuit board 700 is fixed on the heat-insulating isolation layer 600 through a plurality of supports, the battery 800 is fixed on an end cover, and the end cover is detachably and fixedly connected with the casing 100. The battery 800 is electrically connected with the circuit board 700 through a conducting wire, so as to supply power to the circuit board 700 and various electrical elements thereon. The infrared sensor 900 is disposed independently of the housing 100, and the data terminal thereof is electrically connected to the circuit board 700 through an external wire, and the end cap is provided with a first outlet post 120 for the external wire to pass through.

In this embodiment, the power supply mode of the device is divided into two parts, namely an external power supply part and an internal self-contained battery: the internal part, namely a circuit mainboard, an electronic igniter and related circuits which are arranged in the bottom space of the shell are all powered by batteries; the power terminal of the external portion, i.e., the infrared sensor 900, may be connected to a power plug, through which it may be inserted into a power socket of a particular installation environment, to achieve external power supply. Of course, in addition to the power supply manner of the present embodiment in which power is supplied from the inside and the outside, the power supply from the infrared sensor 900 may be realized by increasing the capacitance of the battery and connecting the power lead to the housing, or the external power supply may be realized by leading out an external power line from the housing. The above-mentioned single internal power supply or single external power supply mode is the prior art, and is also a commonly used technical means in the field.

Referring to fig. 3, an input terminal of the control unit is electrically connected to the infrared temperature sensor, an output terminal of the control unit is electrically connected to the electronic igniter 500, and a communication terminal of the control unit is electrically connected to the GPRS communication module. In the above components, the control unit is a control chip and related circuits, such as a single chip or other micro-processing chips. The electronic igniter 500 may be a disposable electronic igniter, an electronic detonator, or other electrically controlled igniters.

The installation and use process of the embodiment is as follows: the following description will be made by taking the installation and use in a switch cabinet as an example: the infrared temperature sensor is arranged right opposite to each electrical switch in the switch cabinet and is installed on the inner side wall of the fixed cabinet door, and the shell 100 needs to be installed near a measuring point so that the measuring point is located in the spraying range of the spraying hole 110 of the shell 100. The infrared temperature sensor can be far away from the measuring point to measure the temperature, and can also be adaptively adjusted according to the position of the specific measuring point. If the infrared temperature sensor detects that the temperature at the measuring point rises to a threshold value (the threshold value is obtained according to specific measuring equipment or components and combined with a measuring environment and needs to be preset), the control unit starts the electronic igniter 500, the electronic igniter 500 ignites the aerosol charge 400 and sprays the coolant 300 onto the measuring point to cool, and meanwhile, the control unit sends the temperature data and the fire extinguishing device address to a background control room (control equipment capable of receiving short messages, such as a mobile phone, a tablet and the like) or a duty mobile phone of an operation and maintenance person in a short message form through a GPRS communication module.

Besides the short message alarm notification, a second outlet post 130 may be disposed on the end cover to facilitate the exit of the feedback wire l1, and the feedback wire l1 is used for transmitting a signal in the form of a data line to notify a background control room (here, a local server or a computer in the control room).

In the installation process, the shell 100 and the switch cabinet can be adhered to each other, strongly-magnetic-adsorbed and connected through a metal fixing frame, correspondingly, the infrared sensor 900 can also be arranged in a box body, and the box body is installed in the modes of adhesion, strongly-magnetic adsorption, metal fixing frame and the like. The installation method, the control chip, the electronic igniter 500, the GPRS module and other electronic devices and corresponding degrees thereof are common technical means in the field, and meanwhile, related shared programs and corresponding disclosures are provided in various major forums (such as 21IC electronic forum and electronic federate forum) and related papers at home and abroad.

Besides, the circuit board 700 can transmit the received temperature data to the local server through the GPRS communication module or the data connection line l2 at regular time, so that the operation and maintenance personnel can remotely inquire the temperature in the switch cabinet as required. The control unit mounts the housing 100 at other locations where the distance between the infrared temperature sensor and the device or component to be tested can be adjusted appropriately by lengthening the wires,

as a preferable mode, the present embodiment is provided with a GPS module, the GPS module is installed on the circuit board 700, when the control unit sends a short message to the operation and maintenance staff for prompting, a specific address provided by the GPS module needs to be sent together, and the GPS module can accurately locate the switch cabinet with a high temperature fault, so that the operation and maintenance staff can go to the site directly according to the location without inquiring the location of the switch cabinet, thereby greatly increasing the speed of coping with the operation and maintenance staff.

As another preferred mode, a smoke sensor may be further provided, and the smoke sensor may be disposed on the casing 100, or may be integrated with an infrared temperature sensor on a mounting base and mounted together, and it also needs to be electrically connected to the circuit main board 700 through an external wire.

Example 2

The present embodiment is different from the above embodiments in that: a cloud is also provided for communication with the circuit board 700. The cloud end can adopt an enterprise cloud system developed by the Alababa company, the system is directly provided with related protocols, storage and corresponding background interfaces with different operation modules, and an enterprise can use the system only by connecting the account number with the circuit main board 700 in a communication mode.

Example 3

The present embodiment is different from the above embodiments in that: in this embodiment, an inner temperature measuring member is further disposed in the bottom space of the housing 100, and the inner temperature measuring member is mounted on the circuit board 700 and electrically connected to the control unit. The inner temperature measuring element can be a temperature sensor such as a thermistor and a thermocouple, and is used for detecting the temperature change in the partial space. The internal temperature data obtained by the internal temperature measuring part is used for monitoring the environment of the circuit main board 700 on one hand, and on the other hand, after the fire is extinguished, the temperature of the shell 100 and the internal temperature thereof are increased violently, so that the internal temperature data can also be used as the basis of alarm data.

In the above embodiment, the control unit, the GPRS communication module and the GPS module may adopt independent corresponding elements, or may adopt an existing sold integrated device, i.e., an industrial short message remote alarm controller, for example, the serial CWT5000 products of the science and technology interaction product, shenzhen, department of science and technology limited. Alternatively, the GPRS communication module and the GPS module may be independent components, or may be selected according to specific requirements, such as zhongxing MG2618, Anxinke a7, and SIM 808.

To sum up, the utility model provides a miniature aerosol automatic fire extinguishing device is applicable to the place that easily takes place the fire danger and is unsuitable for the water system to put out a fire in battery 800 cabins, transformer substation, electron computer lab, the UPS system, cable pit, cable shaft etc.. The fire extinguishing device can extinguish A, B, C, D, E fires and electrical fires in industrial and civil building fire-fighting places such as various offices, production workshops, material warehouses, air conditioner rooms, cable galleries, cable shafts, archive rooms, underground hydraulic stations, communication base stations and the like in time.

Claims

1. Miniature automatic fire extinguishing device, its characterized in that:

the aerosol powder flow measuring device comprises a shell, an inner container, an aerosol powder column, an outer temperature measuring part, a communication module, a circuit main board and a battery;

the inner container is arranged in the shell, the aerosol grain is arranged in the inner container, the outer surface of the upper part of the inner container is provided with an opening used as a spray hole, and the outer surface of the shell is provided with an opening;

the outer temperature measuring part is independent of the shell and is electrically connected with the circuit main board through an external lead;

an electronic igniter is arranged, one end of the electronic igniter is electrically connected with the circuit main board, and the other end of the electronic igniter extends into the inner container to be contacted with the aerosol explosive column;

the circuit main board is electrically connected with the communication module.

2. A miniature automatic fire extinguishing apparatus according to claim 1, wherein: the communication module is a GPRS module.

3. A miniature automatic fire extinguishing apparatus according to claim 1 or 2, wherein: the GPS module is arranged on the circuit main board.

4. A miniature automatic fire extinguishing apparatus according to claim 3, wherein: the outer temperature measuring part electrically connected with the circuit main board is an infrared temperature sensor used for detecting equipment components.

5. A miniature automatic fire extinguishing apparatus according to claim 3, wherein: a cloud server is arranged to be in communication connection with the circuit main board.

6. A miniature automatic fire extinguishing apparatus according to claim 3, wherein: a metal bracket is arranged outside the shell and comprises a mounting seat for assembly; and/or a magnet is fixed outside the shell for installation.

7. A miniature automatic fire extinguishing apparatus according to claim 3, wherein: and a heat insulation isolation layer is arranged between the inner container and the circuit main board and between the inner container and the battery.

8. A miniature automatic fire extinguishing apparatus according to claim 3, wherein: an inner temperature measuring part is further arranged in the shell and is electrically connected with the circuit main board.

9. A miniature automatic fire extinguishing apparatus according to claim 3, wherein: the bottom of the shell is sealed by an end cover, and the end cover is provided with a wire outlet column.

10. A miniature automatic fire extinguishing apparatus according to claim 3, wherein: the communication module, the GPS module and the circuit main board are electrically connected with the battery, and a wire or an electric plug used for connecting an external power supply is connected at the power end of the external temperature measuring piece.