CN111935953A - Wisdom fire control thing allies oneself with transmission equipment - Google Patents
Wisdom fire control thing allies oneself with transmission equipment Download PDFInfo
- Publication number
- CN111935953A CN111935953A CN202010796409.4A CN202010796409A CN111935953A CN 111935953 A CN111935953 A CN 111935953A CN 202010796409 A CN202010796409 A CN 202010796409A CN 111935953 A CN111935953 A CN 111935953A
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- mainboard
- transmission device
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- 230000005540 biological transmission Effects 0.000 title claims abstract description 29
- 239000000428 dust Substances 0.000 claims abstract description 21
- 230000005389 magnetism Effects 0.000 claims description 2
- 238000003466 welding Methods 0.000 claims description 2
- 230000000694 effects Effects 0.000 abstract description 8
- 238000000034 method Methods 0.000 abstract description 8
- 238000009423 ventilation Methods 0.000 abstract description 5
- 230000017525 heat dissipation Effects 0.000 abstract description 3
- 230000006870 function Effects 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 238000007790 scraping Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Images
Classifications
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K7/00—Constructional details common to different types of electric apparatus
- H05K7/20—Modifications to facilitate cooling, ventilating, or heating
- H05K7/20009—Modifications to facilitate cooling, ventilating, or heating using a gaseous coolant in electronic enclosures
- H05K7/20136—Forced ventilation, e.g. by fans
-
- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B25/00—Alarm systems in which the location of the alarm condition is signalled to a central station, e.g. fire or police telegraphic systems
- G08B25/01—Alarm systems in which the location of the alarm condition is signalled to a central station, e.g. fire or police telegraphic systems characterised by the transmission medium
- G08B25/08—Alarm systems in which the location of the alarm condition is signalled to a central station, e.g. fire or police telegraphic systems characterised by the transmission medium using communication transmission lines
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K5/00—Casings, cabinets or drawers for electric apparatus
- H05K5/02—Details
- H05K5/0213—Venting apertures; Constructional details thereof
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K5/00—Casings, cabinets or drawers for electric apparatus
- H05K5/02—Details
- H05K5/0217—Mechanical details of casings
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K7/00—Constructional details common to different types of electric apparatus
- H05K7/20—Modifications to facilitate cooling, ventilating, or heating
- H05K7/20009—Modifications to facilitate cooling, ventilating, or heating using a gaseous coolant in electronic enclosures
- H05K7/20136—Forced ventilation, e.g. by fans
- H05K7/20181—Filters; Louvers
Landscapes
- Engineering & Computer Science (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Business, Economics & Management (AREA)
- Emergency Management (AREA)
- General Physics & Mathematics (AREA)
- Cooling Or The Like Of Electrical Apparatus (AREA)
Abstract
The invention discloses an intelligent fire-fighting thing-internet transmission device, which comprises a first shell, wherein a first through groove is formed in the front surface of the first shell, a mainboard is arranged on the inner bottom wall of the first shell, a processor, a memory and a GPS terminal are arranged on the upper surface of the mainboard, the GPS terminal and the signal output end of the mainboard are in signal connection with the signal input end of the processor through leads, during the use process, the alarm place of alarm information is rapidly confirmed through the arrangement of the GPS terminal and the processor and other components, the fire place information is transmitted, the transmission effect is improved, so that fire fighters can rapidly arrive at the fire place for rescue, during the use process of the invention, the heat dissipation effect of the invention is improved through the arrangement of the ventilation opening matched with an air cooler, and dust is prevented from entering the first shell through a first dust screen and a second dust screen, the loss of the invention in use is reduced, thereby prolonging the service life of the invention.
Description
Technical Field
The invention relates to the technical field of Internet of things equipment, in particular to intelligent fire-fighting Internet of things transmission equipment.
Background
With the rapid development of China and the continuous large city modeling, the number of large buildings is increasing. However, while the urban buildings are developed towards the modernization, the population density, the urban high-rise and ultrahigh-rise buildings, and the large-scale and multi-functional directions, the fire fighting work, which is the life and safety of people, is becoming more and more important because the building height function can cause the fire hazard, so the transmission of the information of the internet of things directly influences the transmission of the fire fighting information.
The existing fire fighting thing allies oneself with transmission equipment, in the use, usually only simple handles the transmission to fire control information, under the condition that receiving alarm information and unconfirming to the warning place, can not be quick transmit conflagration place information, influence the transmission effect, lead to delaying the rescue time of conflagration, and at the in-process that fire fighting thing allies oneself with transmission equipment used, it is relatively poor to its radiating effect, increase the loss of internal element, reduce the life of fire fighting thing allies oneself with transmission equipment, influence the normal use of fire fighting thing allies oneself with transmission equipment, for this reason, propose a wisdom fire fighting thing allies oneself with transmission equipment.
Disclosure of Invention
The invention aims to provide an intelligent fire-fighting internet of things transmission device to solve the problems in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme: an intelligent fire-fighting Internet of things transmission device comprises a first shell, wherein a first through groove is formed in the front surface of the first shell, a mainboard is installed on the inner bottom wall of the first shell, a processor, a memory and a GPS terminal are installed on the upper surface of the mainboard, the GPS terminal and the signal output end of the mainboard are in signal connection with the signal input end of the processor through wires, the signal output end of the processor is in signal connection with the signal input end of the memory through wires, a first fixing plate is welded on the rear surface of the first shell, an air cooler is installed on the upper surface of the first fixing plate, an air inlet of the air cooler is communicated with an air inlet pipe, a first dust screen is fixedly connected to one end of the air inlet pipe, an air outlet of the air cooler is communicated with an air outlet pipe, one end of the air outlet pipe is communicated with the first shell, and second fixing plates are welded on two sides of the first shell, two the equal sliding connection of lower surface of second fixed plate has first spout, two the equal sliding connection of inside wall of first spout has first slider, two the equal symmetrical welding of lower surface of first slider has two supports.
As further preferable in the present technical solution: the front surface mounting of first casing has three USB interface, the front surface mounting of first casing has the RJ45 interface, the USB interface with the signal output part of RJ45 interface all through the wire with the signal input part signal connection of mainboard.
As further preferable in the present technical solution: the front surface mounting of first casing has the DP interface, the front surface mounting of first casing has the HDMI interface, the front surface mounting of first casing has the VGA interface, the DP interface the HDMI interface with the signal output part of VGA interface all through the wire with the signal input part signal connection of mainboard.
As further preferable in the present technical solution: the front surface of first casing articulates there is the lid, the lower surface of lid articulates there is female knot, the front surface fixedly connected with son of first casing is detained, son detain with the female joint.
As further preferable in the present technical solution: the rear surface of first casing has seted up the second and has led to the groove, the inside wall fixedly connected with battery that the second led to the groove, the rear surface mounting of battery has power source, the rear surface mounting of first casing has the controller, power source's electrical output pass through the wire with the electrical input electric connection of battery, the electrical output of battery pass through the wire with the electrical input electric connection of controller, the electrical output of controller pass through the wire respectively with the air-cooler the mainboard the treater the memory with the electrical input electric connection at GPS terminal.
As further preferable in the present technical solution: rubber pads are bonded to the lower surfaces of the four supports.
As further preferable in the present technical solution: the rear surface of first casing has evenly seted up the vent, the rear surface magnetism of first casing is connected with two magnetic stripes, two one side fixedly connected with second dust screen that the magnetic stripe is adjacent.
As further preferable in the present technical solution: a third through groove is formed in the upper surface of the first shell, and a plate body is fixedly connected to the inner side wall of the third through groove.
As further preferable in the present technical solution: the rear surface of the first fixing plate is provided with a second sliding groove, the inner side wall of the second sliding groove is connected with a second sliding block in a sliding mode, and the top of the second sliding block is fixedly connected with a box body.
Compared with the prior art, the invention has the beneficial effects that:
the method comprises the steps that firstly, in the using process, the GPS terminal is matched with the processor and other components, the alarm place of alarm information is rapidly confirmed, fire place information is transmitted, the transmission effect is improved, and therefore fire fighters can rapidly arrive at the fire place to rescue.
In the using process of the air cooler, the arrangement of the matched ventilation opening of the air cooler improves the heat dissipation effect of the air cooler, and the first dustproof net and the second dustproof net prevent dust from entering the first shell, so that the loss of the air cooler in use is reduced, and the service life of the air cooler is prolonged.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a rear view of the present invention;
FIG. 3 is a schematic structural diagram of a first housing according to the present invention;
FIG. 4 is a schematic structural view of a second fixing plate according to the present invention;
fig. 5 is a schematic circuit structure of the present invention.
In the figure: 1. a first housing; 2. a first through groove; 3. a main board; 4. a processor; 5. a memory; 6. a GPS terminal; 7. a first fixing plate; 8. an air cooler; 9. an air inlet pipe; 10. a first dust screen; 11. an air outlet pipe; 12. an RJ45 interface; 13. a VGA interface; 14. an HDMI interface; 15. a DP interface; 16. a USB interface; 17. a cover body; 18. a female buckle; 19. a sub-buckle; 20. a second through groove; 21. a storage battery; 22. a power interface; 23. a controller; 24. a magnetic strip; 25. a second dust screen; 26. a vent; 27. a second fixing plate; 28. a first chute; 29. a first slider; 30. a support; 31. a rubber pad; 32. a third through groove; 33. a plate body; 34. a second chute; 35. a second slider; 36. and (5) a box body.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Examples
Referring to fig. 1-5, the present invention provides a technical solution: an intelligent fire-fighting Internet of things transmission device comprises a first shell 1, wherein a first through groove 2 is formed in the front surface of the first shell 1, a mainboard 3 is installed on the inner bottom wall of the first shell 1, a processor 4, a memory 5 and a GPS terminal 6 are installed on the upper surface of the mainboard 3, the signal output ends of the GPS terminal 6 and the mainboard 3 are in signal connection with the signal input end of the processor 4 through leads, the signal output end of the processor 4 is in signal connection with the signal input end of the memory 5 through leads, a first fixing plate 7 is welded on the rear surface of the first shell 1, an air cooler 8 is installed on the upper surface of the first fixing plate 7, an air inlet of the air cooler 8 is communicated with an air inlet pipe 9, one end of the air inlet pipe 9 is fixedly connected with a first dust screen 10, an air outlet of the air cooler 8 is communicated with an air outlet pipe 11, one end of the air outlet pipe 11 is communicated with the first shell 1, second fixing plates, the lower surfaces of the two second fixing plates 27 are connected with first sliding grooves 28 in a sliding mode, the inner side walls of the two first sliding grooves 28 are connected with first sliding blocks 29 in a sliding mode, and the lower surfaces of the two first sliding blocks 29 are symmetrically welded with two supports 30.
In this embodiment, specifically: the front surface of the first shell 1 is provided with three USB interfaces 16, the front surface of the first shell 1 is provided with an RJ45 interface 12, and the signal output ends of the USB interfaces 16 and the RJ45 interface 12 are in signal connection with the signal input end of the mainboard 3 through leads; the RJ45 interface 12 is connected with a network connecting line through the arrangement of the RJ45 interface 12, so that network support is provided for the invention, and the USB interface 16 is convenient for data transmission of the invention.
In this embodiment, specifically: a DP interface 15 is mounted on the front surface of the first shell 1, an HDMI interface 14 is mounted on the front surface of the first shell 1, a VGA interface 13 is mounted on the front surface of the first shell 1, and signal output ends of the DP interface 15, the HDMI interface 14 and the VGA interface 13 are in signal connection with a signal input end of the main board 3 through wires; the connection of the present invention to the display device is facilitated by the arrangement of the DP interface 15, the HDMI interface 14, and the VGA interface 13.
In this embodiment, specifically: the front surface of the first shell 1 is hinged with a cover body 17, the lower surface of the cover body 17 is hinged with a female buckle 18, the front surface of the first shell 1 is fixedly connected with a male buckle 19, and the male buckle 19 is clamped with the female buckle 18; through the setting of lid 17, be convenient for cover first logical groove 2 to play the function of protection to the part in the first casing 1, detain 19 through the son and be convenient for fix the position of lid 17 with the setting of box 18 joint.
In this embodiment, specifically: the rear surface of the first shell 1 is provided with a second through groove 20, the inner side wall of the second through groove 20 is fixedly connected with a storage battery 21, the rear surface of the storage battery 21 is provided with a power supply interface 22, the rear surface of the first shell 1 is provided with a controller 23, the electrical output end of the power supply interface 22 is electrically connected with the electrical input end of the storage battery 21 through a wire, the electrical output end of the storage battery 21 is electrically connected with the electrical input end of the controller 23 through a wire, and the electrical output end of the controller 23 is electrically connected with the electrical input ends of the air cooler 8, the mainboard 3, the processor 4, the memory 5 and the GPS terminal 6 through wires respectively; through battery 21's setting, for controller 23, air-cooler 8, mainboard 3, treater 4, memory 5 and GPS terminal 6 improve the power, through controller 23's setting, be convenient for control the start-up and the closing of air-cooler 8, mainboard 3, treater 4, memory 5 and GPS terminal 6, through power source 22's setting, be convenient for charge for battery 21.
In this embodiment, specifically: rubber pads 31 are adhered to the lower surfaces of the four brackets 30; through the setting of rubber pad 31, improved the frictional force between support 30 and the use desktop to improve the stability of this device.
In this embodiment, specifically: the rear surface of the first shell 1 is uniformly provided with ventilation openings 26, the rear surface of the first shell 1 is magnetically connected with two magnetic strips 24, and one adjacent side of the two magnetic strips 24 is fixedly connected with a second dust screen 25; the ventilation opening 26 is arranged to facilitate the circulation of air in the first housing 1, so that the heat dissipation effect of the invention is improved, the invention is more stable in the working process, the second dustproof net 25 is arranged to prevent dust from entering the first housing 1 through the ventilation opening 26, and the second dustproof net 25 is fixed on the first housing 1 through the magnetic strip 24 to facilitate the installation or the disassembly of the second dustproof net 25.
In this embodiment, specifically: a third through groove 32 is formed in the upper surface of the first shell 1, and a plate body 33 is fixedly connected to the inner side wall of the third through groove 32; through the setting of plate body 33, the material of plate body 33 is the transparent glass material, is convenient for observe the inside condition in first casing 1.
In this embodiment, specifically: a second sliding groove 34 is formed in the rear surface of the first fixing plate 7, a second sliding block 35 is connected to the inner side wall of the second sliding groove 34 in a sliding manner, and a box body 36 is fixedly connected to the top of the second sliding block 35; through the setting of box body 36, be convenient for collect the filterable dust on the first dust screen 10, box body 36 is convenient for to box body 36 installation or dismantlement clearance through the gliding setting of second slider 35 in second spout 34.
Working principle or structural principle, when in use, the device is moved to a using desktop, the bracket 30 is slid into the first chute 28 on the second fixing plate 27 through the first sliding block 29 to mount the bracket 30, whether the bracket 30 is used or not can be selected according to the use condition, the bracket 30 is convenient to mount or dismount, a network connecting line is connected with the RJ45 interface 12 to provide network support for the invention, the display equipment is connected with the DP interface 15, the HDMI interface 14 or the VGA interface 13 through a display wire, the data transmission equipment is connected with the USB interface 16, the air cooler 8, the main board 3, the processor 4, the memory 5 and the GPS terminal 6 are started through the controller 23, the alarm place of the fire alarm telephone is obtained through the GPS terminal 6, then data processing is carried out through the processor 4, the processed data is displayed on the display equipment, and accordingly fire fighters can obtain the fire place, through the setting of memory 5, record the conflagration place, be convenient for follow-up make statistics of the conflagration place, in the in-process that this device used, through the setting of air-cooler 8, gaseous gets into in the air-cooler 8 after filtering through first dust screen 10, then with cold wind through going out tuber pipe 11 and entering into first casing 1, dispel the heat to the part in the first casing 1, then discharge through vent 26, improve the radiating effect of this device, when needs are cleared up first dust screen 10, with the dust on first dust screen 10 surface, fall into box body 36 in scraping, clear up the dust, then slide the second slider 35 with box body 36 in second spout 34 and take out, be convenient for clear up the dust in box body 36.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (9)
1. The utility model provides an intelligence fire control thing allies oneself with transmission equipment, includes first casing (1), its characterized in that: the front surface of the first shell (1) is provided with a first through groove (2), the inside bottom wall of the first shell (1) is provided with a mainboard (3), the upper surface of the mainboard (3) is provided with a processor (4), a memory (5) and a GPS terminal (6), the GPS terminal (6) and the signal output end of the mainboard (3) are in signal connection with the signal input end of the processor (4) through wires, the signal output end of the processor (4) is in signal connection with the signal input end of the memory (5) through wires, the rear surface of the first shell (1) is welded with a first fixing plate (7), the upper surface of the first fixing plate (7) is provided with an air cooler (8), the air inlet of the air cooler (8) is communicated with an air inlet pipe (9), one end of the air inlet pipe (9) is fixedly connected with a first dust screen (10), the air outlet intercommunication of air-cooler (8) has air-out pipe (11), the one end of air-out pipe (11) with first casing (1) intercommunication, second fixed plate (27), two have all been welded to the both sides of first casing (1) the equal sliding connection of lower surface of second fixed plate (27) has first spout (28), two the equal sliding connection of inside wall of first spout (28) has first slider (29), two the equal symmetrical welding of lower surface of first slider (29) has two supports (30).
2. The intelligent fire-fighting internet of things transmission device of claim 1, wherein: the front surface mounting of first casing (1) has three USB interface (16), the front surface mounting of first casing (1) has RJ45 interface (12), USB interface (16) with the signal output part of RJ45 interface (12) all through the wire with the signal input part signal connection of mainboard (3).
3. The intelligent fire-fighting internet of things transmission device of claim 1, wherein: the preceding surface mounting of first casing (1) has DP interface (15), the preceding surface mounting of first casing (1) has HDMI interface (14), the preceding surface mounting of first casing (1) has VGA interface (13), DP interface (15) HDMI interface (14) with the signal output part of VGA interface (13) all through the wire with the signal input part signal connection of mainboard (3).
4. The intelligent fire-fighting internet of things transmission device of claim 1, wherein: the front surface of first casing (1) articulates there is lid (17), the lower surface of lid (17) articulates there is box (18), the front surface fixedly connected with of first casing (1) is sub detained (19), sub detain (19) with box (18) joint.
5. The intelligent fire-fighting internet of things transmission device of claim 1, wherein: the second has been seted up to the rear surface of first casing (1) and has been led to groove (20), the inside wall fixedly connected with battery (21) that the second led to groove (20), the rear surface mounting of battery (21) has power source (22), the rear surface mounting of first casing (1) has controller (23), the electrical output of power source (22) pass through the wire with the electrical input end electric connection of battery (21), the electrical output of battery (21) pass through the wire with the electrical input end electric connection of controller (23), the electrical output of controller (23) pass through the wire respectively with air-cooler (8), mainboard (3) treater (4) memory (5) with the electrical input end electric connection of GPS terminal (6).
6. The intelligent fire-fighting internet of things transmission device of claim 1, wherein: rubber pads (31) are bonded to the lower surfaces of the four brackets (30).
7. The intelligent fire-fighting internet of things transmission device of claim 1, wherein: vent (26) have evenly been seted up to the rear surface of first casing (1), the rear surface magnetism of first casing (1) is connected with two magnetic stripes (24), two one side fixedly connected with second dust screen (25) that magnetic stripe (24) are adjacent.
8. The intelligent fire-fighting internet of things transmission device of claim 1, wherein: a third through groove (32) is formed in the upper surface of the first shell (1), and a plate body (33) is fixedly connected to the inner side wall of the third through groove (32).
9. The intelligent fire-fighting internet of things transmission device of claim 1, wherein: a second sliding groove (34) is formed in the rear surface of the first fixing plate (7), a second sliding block (35) is connected to the inner side wall of the second sliding groove (34) in a sliding mode, and a box body (36) is fixedly connected to the top of the second sliding block (35).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010796409.4A CN111935953A (en) | 2020-08-10 | 2020-08-10 | Wisdom fire control thing allies oneself with transmission equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010796409.4A CN111935953A (en) | 2020-08-10 | 2020-08-10 | Wisdom fire control thing allies oneself with transmission equipment |
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| Publication Number | Publication Date |
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| CN111935953A true CN111935953A (en) | 2020-11-13 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010796409.4A Pending CN111935953A (en) | 2020-08-10 | 2020-08-10 | Wisdom fire control thing allies oneself with transmission equipment |
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| CN (1) | CN111935953A (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108768437A (en) * | 2018-08-02 | 2018-11-06 | 江志敏 | A kind of remote information interactive correspondence equipment |
| CN209645737U (en) * | 2019-01-24 | 2019-11-19 | 中科城安物联网技术有限公司 | A kind of wisdom fire-fighting Internet of Things transmission device |
| CN209708784U (en) * | 2019-06-27 | 2019-11-29 | 贵州师范大学 | It is a kind of air-cooled quickly except heat transformer outer cover |
| CN110796831A (en) * | 2019-10-31 | 2020-02-14 | 沃优科技有限公司 | Combustible gas detection alarm device based on Internet of things |
-
2020
- 2020-08-10 CN CN202010796409.4A patent/CN111935953A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108768437A (en) * | 2018-08-02 | 2018-11-06 | 江志敏 | A kind of remote information interactive correspondence equipment |
| CN209645737U (en) * | 2019-01-24 | 2019-11-19 | 中科城安物联网技术有限公司 | A kind of wisdom fire-fighting Internet of Things transmission device |
| CN209708784U (en) * | 2019-06-27 | 2019-11-29 | 贵州师范大学 | It is a kind of air-cooled quickly except heat transformer outer cover |
| CN110796831A (en) * | 2019-10-31 | 2020-02-14 | 沃优科技有限公司 | Combustible gas detection alarm device based on Internet of things |
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Application publication date: 20201113 |
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