CN108815781B - Pneumatic fire extinguisher of intelligence automatic identification - Google Patents
Pneumatic fire extinguisher of intelligence automatic identification Download PDFInfo
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- CN108815781B CN108815781B CN201810747886.4A CN201810747886A CN108815781B CN 108815781 B CN108815781 B CN 108815781B CN 201810747886 A CN201810747886 A CN 201810747886A CN 108815781 B CN108815781 B CN 108815781B
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- 239000007921 spray Substances 0.000 claims abstract description 14
- 239000003795 chemical substances by application Substances 0.000 claims abstract description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 15
- 238000001514 detection method Methods 0.000 claims description 11
- 229910000831 Steel Inorganic materials 0.000 claims description 10
- 239000010959 steel Substances 0.000 claims description 10
- 238000010438 heat treatment Methods 0.000 claims description 8
- 238000007789 sealing Methods 0.000 claims description 5
- 210000000170 cell membrane Anatomy 0.000 claims description 4
- 210000004027 cell Anatomy 0.000 description 10
- 235000017166 Bambusa arundinacea Nutrition 0.000 description 3
- 235000017491 Bambusa tulda Nutrition 0.000 description 3
- 241001330002 Bambuseae Species 0.000 description 3
- 235000015334 Phyllostachys viridis Nutrition 0.000 description 3
- 239000011425 bamboo Substances 0.000 description 3
- 239000012634 fragment Substances 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 239000007787 solid Substances 0.000 description 3
- 238000005485 electric heating Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 238000005286 illumination Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000010248 power generation Methods 0.000 description 1
- 239000004065 semiconductor Substances 0.000 description 1
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- A—HUMAN NECESSITIES
- A62—LIFE-SAVING; FIRE-FIGHTING
- A62C—FIRE-FIGHTING
- A62C37/00—Control of fire-fighting equipment
- A62C37/08—Control of fire-fighting equipment comprising an outlet device containing a sensor, or itself being the sensor, i.e. self-contained sprinklers
- A62C37/10—Releasing means, e.g. electrically released
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- Fire-Extinguishing By Fire Departments, And Fire-Extinguishing Equipment And Control Thereof (AREA)
Abstract
The invention discloses an intelligent automatic identification pneumatic fire extinguisher, which comprises a gas storage bottle body, an automatic manual valve body, a barometer, a reset starting tool, a gas guide part, an electric control part, a direction control part and a manual starting handle, wherein the gas storage bottle body is connected with the automatic manual valve body through threads, the barometer used for measuring the pressure in the gas storage bottle body is arranged between the automatic manual valve body and the gas storage bottle body, the reset starting tool used for starting and recovering the working state of the automatic manual valve body is arranged on one side of the automatic manual valve body, the gas guide part used for outputting a fire extinguishing agent in the gas storage bottle body is arranged on the upper part of the automatic manual valve body, and the direction control part is arranged on the automatic manual valve body on the right side of the. The fire extinguisher can identify fire, automatically aim at a fire source, automatically spray the fire extinguisher, and extinguish the fire in early stage, and meanwhile, the fire extinguisher can be manually operated, is flexible to apply, convenient to use and more intelligent.
Description
[ technical field ] A method for producing a semiconductor device
The invention relates to the technical field of fire-fighting equipment, in particular to the technical field of intelligent automatic identification pneumatic fire extinguishers.
[ background of the invention ]
In production and life, fire frequently occurs, the fire seriously harms life and property safety of people, a plurality of fires can be avoided, in order to reduce the occurrence rate of the fire, people can set fire extinguishers in areas where the fire easily occurs, the existing fire extinguishers can be started only through manual operation, the fire can not be actively identified, and the fire is early treated.
[ summary of the invention ]
The invention aims to solve the problems in the prior art and provides an intelligent automatic identification pneumatic fire extinguisher.
In order to realize the aim, the invention provides an intelligent automatic identification pneumatic fire extinguisher, which comprises a gas storage bottle body, an automatic manual valve body, a barometer, a reset starting tool, a gas guide part, an electric control part, a direction control part and a manual starting handle, the gas storage bottle body is connected with an automatic manual valve body through threads, a gas pressure meter for measuring the gas pressure in the gas storage bottle body is arranged between the automatic manual valve body and the gas storage bottle body, a reset starting tool for starting and recovering the working state of the automatic manual valve body is arranged on one side of the automatic manual valve body, the other side of the automatic manual valve is provided with a manual starting handle for manually controlling the working state of the automatic manual valve body, the automatic manual valve body upper portion is provided with the air guide portion of the internal fire extinguishing agent of output gas bomb, be provided with automatically controlled portion on the automatic manual valve body in air guide portion left side, be provided with direction control portion on the automatic manual valve body in air guide portion right side.
As preferred, automatic manual valve body includes valve body seat, case cylinder, spacing glide, water polo, start heating wire, seal cover, actuating lever, start elasticity seat and start the shell fragment, be provided with the case cylinder in the valve body seat, case cylinder left side is provided with the spacing glide of restriction case cylinder pivoted, be provided with the water polo between spacing glide and the case cylinder, be provided with the start heating wire around the water polo, be provided with the seal cover between valve body seat and the case cylinder, case cylinder right-hand member is provided with the actuating lever, the actuating lever lateral part is provided with the start shell fragment, be provided with the start elasticity seat in the valve body seat, start the shell fragment tip and press on starting the elasticity seat.
Preferably, air guide channels are arranged on two sides of the valve core cylinder, and a limiting groove is arranged at the left end of the valve core cylinder.
Preferably, the limiting sliding body comprises a guiding sliding column and a limiting column, the limiting column is fixedly arranged on the side of the guiding sliding column, the cross sections of the guiding sliding column and the limiting column are respectively hexagonal, and the limiting column is arranged in a limiting groove.
Preferably, the reset starting tool comprises a starting steel wire rope, a fixing ring and a reset guide rod, one end of the starting steel wire rope is fixed on the automatic manual valve body, the other end of the starting steel wire rope is fixed on the fixing ring, and the reset guide rod is fixedly arranged on the fixing ring.
Preferably, the air guide part comprises an air guide pipe, a pipe joint and a spray head, one end of the air guide pipe is connected to the automatic manual valve body through the pipe joint, and the other end of the air guide pipe is provided with the spray head.
Preferably, the electric control part comprises a processor, a storage battery, a memory, an electric quantity detection chip, a solar cell film and a temperature sensor, the temperature sensor and the solar cell film are respectively arranged around the gas storage bottle body at uniform intervals, the processor is respectively electrically connected with the storage battery, the memory, the electric quantity detection chip and the temperature sensor, and the electric quantity detection chip is electrically connected with the solar cell film.
Preferably, the direction control portion includes inclination adjusting motor, inclination adjusting screw, revolves to motor, lifter plate, the solid fixed section of thick bamboo of nozzle and backing plate, be connected with inclination adjusting screw on inclination adjusting motor's the rotation axis, inclination adjusting motor lateral part is provided with revolves to the motor, it is provided with the lifter plate to revolve to the motor lateral part, inclination adjusting screw passes the screw thread on the lifter plate, it is provided with the solid fixed section of thick bamboo of nozzle to articulate on the rotation axis of motor soon, solid fixed section of thick bamboo one side of nozzle is provided with the backing plate.
Preferably, the nozzle head is screwed to the nozzle fixing cylinder.
The invention has the beneficial effects that: according to the invention, the solar cell film and the temperature sensor are applied to the fire extinguisher to identify a fire, the automatic manual valve body is used for controlling the fire extinguisher to be automatically started, the direction control part can enable the spray nozzle of the fire extinguisher to be aligned to the direction of the fire, and the fire source is extinguished in an early stage.
The features and advantages of the present invention will be described in detail by embodiments in conjunction with the accompanying drawings.
[ description of the drawings ]
FIG. 1 is a front view of an intelligent automatic identification pneumatic fire extinguisher according to the present invention;
FIG. 2 is a front sectional view of an intelligent automatic identification pneumatic fire extinguisher according to the present invention;
FIG. 3 is an enlarged view of portion A of FIG. 2;
FIG. 4 is a front view of a limit slider;
fig. 5 is a schematic diagram of the electric control portion.
In the figure: 1-gas storage bottle body, 2-automatic manual valve body, 21-valve body seat, 22-valve core cylinder, 221-gas guide channel, 222-limit groove, 23-limit sliding body, 231-guide sliding cylinder, 232-limit cylinder, 24-water ball, 25-start heating wire, 26-sealing sleeve, 27-start rod, 28-start elastic seat, 29-start elastic sheet, 3-barometer, 4-reset start tool, 41-start steel wire rope, 42-fixing ring, 43-reset guide rod, 5-gas guide part, 51-gas guide pipe, 52-pipe joint, 53-spray head, 6-electric control part, 61-processor, 62-storage battery, 63-storage device, 64-electric quantity detection chip, 65-solar cell membrane, 66-temperature sensor, 7-direction control part, 71-inclination angle adjusting motor, 72-inclination angle adjusting screw, 73-rotation motor, 74-lifting plate, 75-nozzle fixing cylinder, 76-backing plate and 8-manual starting handle.
[ detailed description ] embodiments
Referring to fig. 1-5, the invention relates to an intelligent automatic identification pneumatic fire extinguisher, comprising a gas storage bottle body 1, an automatic manual valve body 2, a barometer 3, a reset starting tool 4, a gas guide part 5, an electric control part 6, a direction control part 7 and a manual starting handle 8, wherein the gas storage bottle body 1 is connected with the automatic manual valve body 2 through threads, the barometer 3 for measuring the gas pressure in the gas storage bottle body 1 is arranged between the automatic manual valve body 2 and the gas storage bottle body 1, the reset starting tool 4 for starting and recovering the working state of the automatic manual valve body 2 is arranged at one side of the automatic manual valve body 2, the manual starting handle 8 for manually controlling the working state of the automatic manual valve body 2 is arranged at the other side of the automatic manual valve, the gas guide part 5 for outputting fire extinguishing agent in the gas storage bottle body 1 is arranged at the upper part of the automatic manual valve body 2, the electric control part 6 is arranged on the automatic manual valve body 2, and a direction control part 7 is arranged on the automatic manual valve body 2 on the right side of the air guide part 5. The automatic manual valve body 2 comprises a valve body seat 21, a valve core cylinder 22, a limiting sliding body 23, a water ball 24, a starting heating wire 25, a sealing sleeve 26, a starting rod 27, a starting elastic seat 28 and a starting elastic sheet 29, wherein the valve core cylinder 22 is arranged in the valve body seat 21, the limiting sliding body 23 limiting the rotation of the valve core cylinder 22 is arranged on the left side of the valve core cylinder 22, the water ball 24 is arranged between the limiting sliding body 23 and the valve core cylinder 22, the starting heating wire 25 is arranged around the water ball 24, the sealing sleeve 26 is arranged between the valve body seat 21 and the valve core cylinder 22, the starting rod 27 is arranged at the right end of the valve core cylinder 22, the starting elastic sheet 29 is arranged on the lateral portion of the starting rod 27, the starting elastic seat 28 is arranged in the valve body seat 21, and the end portion of the starting elastic. Air guide channels 221 are arranged on two sides of the valve core column 22, and a limiting groove 222 is arranged at the left end of the valve core column 22. The limiting sliding body 23 comprises a guiding sliding column 231 and a limiting column 232, the limiting column 232 is fixedly arranged at the side of the guiding sliding column 231, the cross sections of the guiding sliding column 231 and the limiting column 232 are respectively hexagonal, and the limiting column 232 is arranged in the limiting groove 222. The reset starting tool 4 comprises a starting steel wire rope 41, a fixing ring 42 and a reset guide rod 43, one end of the starting steel wire rope 41 is fixed on the automatic manual valve body 2, the other end of the starting steel wire rope is fixed on the fixing ring 42, and the reset guide rod 43 is fixedly arranged on the fixing ring 42. The air guide part 5 comprises an air guide pipe 51, a pipe joint 52 and a spray head 53, one end of the air guide pipe 51 is connected to the automatic manual valve body 2 through the pipe joint 52, and the other end of the air guide pipe is provided with the spray head 53. The electric control part 6 comprises a processor 61, a storage battery 62, a storage 63, an electric quantity detection chip 64, a solar cell film 65 and a temperature sensor 66 which are electrically connected, wherein the temperature sensor 66 and the solar cell film 65 are respectively arranged around the gas storage bottle body 1 at uniform intervals, the processor 61 is respectively connected with the storage battery 62, the storage 63, the electric quantity detection chip 64 and the temperature sensor 66, and the electric quantity detection chip 64 is electrically connected with the solar cell film 65. The direction control part 7 comprises an inclination angle adjusting motor 71, an inclination angle adjusting screw 72, a rotary motor 73, a lifting plate 74, a nozzle fixing barrel 75 and a base plate 76, the inclination angle adjusting screw 72 is connected to the rotating shaft of the inclination angle adjusting motor 71, the inclination angle adjusting motor 71 side part is provided with the rotary motor 73, the rotary motor 73 side part is provided with the lifting plate 74, the inclination angle adjusting screw 72 penetrates through a thread on the lifting plate 74, the rotary motor 73 is hinged to the rotating shaft to be provided with the nozzle fixing barrel 75, and the base plate 76 is arranged on one side of the nozzle fixing barrel 75. The spray head 53 is screwed to the nozzle fixing cylinder 75.
The working process of the invention is as follows:
the invention relates to an intelligent automatic identification pneumatic fire extinguisher, during the working process, firstly, the fire extinguisher is placed at the side part of an article which is easy to release a fire, when the fire breaks out, a solar cell film 65 converts light energy into electric energy, a power generation condition of different solar cell films 65 is detected through a power detection chip 64, whether the fire breaks out and the direction of the fire breaks out are judged according to the generated energy and the illumination condition of the time, the temperature around the fire extinguisher is detected through a temperature sensor 66, when the surrounding temperature is higher than a set value, a processor 61 finally obtains the conclusion whether the fire breaks out, a storage battery 62 is communicated with a starting electric heating wire 25 through an electric control part 6, a water ball 24 is heated through heating of the starting electric heating wire 25, the water ball 24 expands after generating steam, and finally a limiting sliding body 23 is pushed out from a limiting groove 222 through the water ball 24, the water ball 24 is a ball formed by filling water into a rubber ball, under the action of the elastic force of the starting elastic sheet 29, the valve core cylinder 22 is driven to rotate, the gas storage bottle body 1 is communicated with the pipe joint 52 through the gas guide channel 221, the fire extinguisher is sprayed out from the spray nozzle 53 through the gas guide pipe 51, meanwhile, the inclination angle adjusting screw 72 is driven to rotate through the inclination angle adjusting motor 71, the lifting plate 74 is driven to move up and down through the inclination angle adjusting screw 72, the turning motor 73 is driven to move up and down through the lifting plate 74, finally, the nozzle fixing cylinder 75 is driven to move, along with the descending of the nozzle fixing cylinder 75, the nozzle fixing cylinder 75 tilts downwards under the action of the backing plate 76, when the nozzle fixing cylinder 75 ascends, under the action of the gravity of the gas guide pipe 51, the nozzle fixing cylinder 75 tilts upwards, the nozzle fixing cylinder 75 is driven to rotate through the turning motor 73, finally, the spray nozzle 53 is driven to rotate, the position-limiting slider 23 slides out of the position-limiting groove 222, and the communication state between the air bottle body 1 and the air guide portion 5 is controlled by manually rotating the manual start handle 8.
According to the intelligent automatic identification pneumatic fire extinguisher, the solar cell film 65 and the temperature sensor 66 are applied to the fire extinguisher to identify a fire, the automatic manual valve body 2 is used for controlling the fire extinguisher to be automatically started, the direction control part 7 can enable the spray nozzle 53 of the fire extinguisher to be aligned to the direction of the fire, and the fire source is subjected to early fire extinguishing.
The above description is only a preferred embodiment of the present invention, and not intended to limit the scope of the present invention, and all modifications of equivalent structures and equivalent processes, which are made by using the contents of the present specification and the accompanying drawings, or directly or indirectly applied to other related technical fields, are included in the scope of the present invention.
Claims (8)
1. The utility model provides an intelligence automatic identification pneumatic fire extinguisher which characterized in that: the automatic manual gas storage device comprises a gas storage bottle body (1), an automatic manual valve body (2), a gas pressure meter (3), a reset starting tool (4), a gas guide part (5), an electric control part (6), a direction control part (7) and a manual starting handle (8), wherein the automatic manual valve body (2) is connected to the gas storage bottle body (1) through threads, the gas pressure meter (3) used for measuring the gas pressure in the gas storage bottle body (1) is arranged between the automatic manual valve body (2) and the gas storage bottle body (1), the reset starting tool (4) used for starting and recovering the working state of the automatic manual valve body (2) is arranged on one side of the automatic manual valve body (2), the manual starting handle (8) used for manually controlling the working state of the automatic manual valve body (2) is arranged on the other side of the automatic manual valve body (2), the electric control part (6) is arranged on the upper part of the automatic manual, Direction control portion (7) and output gas storage bottle body (1) interior gas guide portion (5) of fire extinguishing agent, automatically controlled portion (6) set up in gas guide portion (5) left side, direction control portion (7) set up in gas guide portion (5) right side, automatically controlled portion (6) include treater (61), battery (62), memory (63), electric quantity detection chip (64), solar cell membrane (65) and temperature sensor (66), temperature sensor (66) and solar cell membrane (65) are even interval respectively and set up around gas storage bottle body (1), treater (61) respectively with battery (62), memory (63), electric quantity detection chip (64) and temperature sensor (66) electric connection, electric quantity detection chip (64) and solar cell membrane (65) electric connection.
2. The intelligent automatic identification pneumatic fire extinguisher according to claim 1, characterized in that: the automatic manual valve body (2) comprises a valve body seat (21), a valve core cylinder (22), a limiting sliding body (23), a water ball (24), a starting heating wire (25), a sealing sleeve (26), a starting rod (27), a starting elastic seat (28) and a starting elastic sheet (29), wherein the valve core cylinder (22) is arranged in the valve body seat (21), the limiting sliding body (23) for limiting the rotation of the valve core cylinder (22) is arranged on the left side of the valve core cylinder (22), the water ball (24) is arranged between the limiting sliding body (23) and the valve core cylinder (22), the starting heating wire (25) is arranged around the water ball (24), the sealing sleeve (26) is arranged between the valve body seat (21) and the valve core cylinder (22), the starting rod (27) is arranged at the right end of the valve core cylinder (22), the starting elastic sheet (29) is arranged at the side part of the starting rod, a starting elastic seat (28) is arranged in the valve body seat (21), and the end part of the starting elastic sheet (29) is pressed on the starting elastic seat (28).
3. The intelligent automatic identification pneumatic fire extinguisher according to claim 2, characterized in that: air guide channels (221) are arranged on two sides of the valve core cylinder (22), and a limiting groove (222) is arranged at the left end of the valve core cylinder (22).
4. The intelligent automatic identification pneumatic fire extinguisher of claim 3, wherein: the limiting sliding body (23) comprises a guiding sliding column (231) and a limiting column (232), the limiting column (232) is fixedly arranged on the side of the guiding sliding column (231), the cross sections of the guiding sliding column (231) and the limiting column (232) are respectively hexagonal, and the limiting column (232) is arranged in a limiting groove (222).
5. The intelligent automatic identification pneumatic fire extinguisher according to claim 1, characterized in that: the reset starting tool (4) comprises a starting steel wire rope (41), a fixing ring (42) and a reset guide rod (43), one end of the starting steel wire rope (41) is fixed on the automatic manual valve body (2), the other end of the starting steel wire rope is fixed on the fixing ring (42), and the reset guide rod (43) is fixedly arranged on the fixing ring (42).
6. The intelligent automatic identification pneumatic fire extinguisher according to claim 1, characterized in that: the air guide part (5) comprises an air guide pipe (51), a pipe joint (52) and a spray head (53), one end of the air guide pipe (51) is connected to the automatic manual valve body (2) through the pipe joint (52), and the other end of the air guide pipe is provided with the spray head (53).
7. The intelligent automatic identification pneumatic fire extinguisher of claim 6, wherein: the direction control part (7) comprises an inclination angle adjusting motor (71), an inclination angle adjusting screw rod (72), a rotary motor (73), a lifting plate (74), a nozzle fixing barrel (75) and a base plate (76), the inclination angle adjusting screw rod (72) is connected to a rotary shaft of the inclination angle adjusting motor (71), the side part of the inclination angle adjusting motor (71) is provided with the rotary motor (73), the side part of the rotary motor (73) is provided with the lifting plate (74), the inclination angle adjusting screw rod (72) penetrates through a thread on the lifting plate (74), the rotary shaft of the rotary motor (73) is hinged to the nozzle fixing barrel (75), and the base plate (76) is arranged on one side of the nozzle fixing barrel (75).
8. The intelligent automatic identification pneumatic fire extinguisher of claim 7, wherein: the spray head (53) is connected to the nozzle fixing barrel (75) through threads.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810747886.4A CN108815781B (en) | 2018-07-09 | 2018-07-09 | Pneumatic fire extinguisher of intelligence automatic identification |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810747886.4A CN108815781B (en) | 2018-07-09 | 2018-07-09 | Pneumatic fire extinguisher of intelligence automatic identification |
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| CN108815781A CN108815781A (en) | 2018-11-16 |
| CN108815781B true CN108815781B (en) | 2020-10-02 |
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| CN201810747886.4A Active CN108815781B (en) | 2018-07-09 | 2018-07-09 | Pneumatic fire extinguisher of intelligence automatic identification |
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| CN111298336B (en) * | 2020-01-08 | 2022-03-15 | 智慧式控股有限公司 | Automatic fire extinguisher and contain automatic fire extinguishing system of this fire extinguisher |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2796751Y (en) * | 2005-04-11 | 2006-07-19 | 吴金泉 | Manual and automatic fire extinguisher |
| CN206404200U (en) * | 2017-01-17 | 2017-08-15 | 山东龙成消防科技股份有限公司 | A kind of pair of bottle group cart type carbon dioxide extinguisher |
| CN107101012A (en) * | 2017-06-08 | 2017-08-29 | 台州中燃机械有限公司 | A kind of gas pipeline fire prevention plug valve |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202777559U (en) * | 2012-09-07 | 2013-03-13 | 安徽省电力科学研究院 | Remote teleoperator fire-extinguishing system |
| CN106669088A (en) * | 2017-02-20 | 2017-05-17 | 邢炜晨 | Thermoelectric power generation type fire warning water valve control device |
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2018
- 2018-07-09 CN CN201810747886.4A patent/CN108815781B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2796751Y (en) * | 2005-04-11 | 2006-07-19 | 吴金泉 | Manual and automatic fire extinguisher |
| CN206404200U (en) * | 2017-01-17 | 2017-08-15 | 山东龙成消防科技股份有限公司 | A kind of pair of bottle group cart type carbon dioxide extinguisher |
| CN107101012A (en) * | 2017-06-08 | 2017-08-29 | 台州中燃机械有限公司 | A kind of gas pipeline fire prevention plug valve |
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Effective date of registration: 20231129 Address after: Room 918, No. 4 Zhudian Road, Nansha District, Guangzhou City, Guangdong Province, 511457 Patentee after: Guangzhou cashbox IOT Technology Co.,Ltd. Address before: Room 701, No. 4 Zhudian Road, Nansha District, Guangzhou City, Guangdong Province, 510000 (for office use only) Patentee before: GUANGZHOU QIANGUI SOFTWARE TECHNOLOGY CO.,LTD. |
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Denomination of invention: An intelligent automatic recognition pneumatic fire extinguisher Granted publication date: 20201002 Pledgee: China Co. truction Bank Corp Guangdong FTA pilot area branch Pledgor: Guangzhou cashbox IOT Technology Co.,Ltd. Registration number: Y2024980038650 |