CN115472033B - Traffic road condition voice early warning device based on 4G/5G Internet of things technology - Google Patents
Traffic road condition voice early warning device based on 4G/5G Internet of things technology Download PDFInfo
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- CN115472033B CN115472033B CN202211058996.2A CN202211058996A CN115472033B CN 115472033 B CN115472033 B CN 115472033B CN 202211058996 A CN202211058996 A CN 202211058996A CN 115472033 B CN115472033 B CN 115472033B
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- G—PHYSICS
- G08—SIGNALLING
- G08G—TRAFFIC CONTROL SYSTEMS
- G08G1/00—Traffic control systems for road vehicles
- G08G1/09—Arrangements for giving variable traffic instructions
- G08G1/0962—Arrangements for giving variable traffic instructions having an indicator mounted inside the vehicle, e.g. giving voice messages
- G08G1/0967—Systems involving transmission of highway information, e.g. weather, speed limits
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B3/00—Cleaning by methods involving the use or presence of liquid or steam
- B08B3/02—Cleaning by the force of jets or sprays
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- G—PHYSICS
- G08—SIGNALLING
- G08G—TRAFFIC CONTROL SYSTEMS
- G08G1/00—Traffic control systems for road vehicles
- G08G1/09—Arrangements for giving variable traffic instructions
- G08G1/0962—Arrangements for giving variable traffic instructions having an indicator mounted inside the vehicle, e.g. giving voice messages
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L67/00—Network arrangements or protocols for supporting network services or applications
- H04L67/01—Protocols
- H04L67/12—Protocols specially adapted for proprietary or special-purpose networking environments, e.g. medical networks, sensor networks, networks in vehicles or remote metering networks
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/50—Photovoltaic [PV] energy
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- Engineering & Computer Science (AREA)
- Health & Medical Sciences (AREA)
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Abstract
The invention relates to the technical field of traffic road condition voice early warning, in particular to a traffic road condition voice early warning device based on a 4G/5G Internet of things technology; comprises a pillar, a heat conducting fin, a connecting pipeline, a fan, a protection box and a waterproof cover; the heat conducting fin is used for transferring the soil temperature to the inside of the support column, the air flow is enabled to flow by utilizing the rotation of the fan in the support column, the air flow and the heat conducting fin are enabled to conduct heat transfer, the underground constant temperature is transferred into the box body through the air flow, the temperature in the box body is enabled to be constant, the electric elements are always at a proper working temperature, water collected at the bottom of the support column is pumped out through the water pumping equipment, then the surface of the solar panel and the lens of the camera are flushed, the water flow is dispersed through the spray head, the flushing of the solar panel is enabled to be more uniform, and the influence of dust is reduced.
Description
Technical Field
The invention relates to the technical field of traffic road condition voice early warning, in particular to a traffic road condition voice early warning device based on a 4G/5G Internet of things technology.
Background
The vehicle speed is relatively high at a high speed, an accident occurs at the front, if a driver of a rear vehicle finds out that the vehicle is not timely, the driver cannot make emergency avoidance, the rear-end accident is easy to occur, the road condition of the front can be transmitted to the vehicle owner at the rear in real time by using the 4G/5G Internet of things technology through the traffic road condition voice early warning device based on the 4G/5G Internet of things technology, the vehicle owner at the rear can make judgment in advance, braking measures are adopted in advance to enable the vehicle to be decelerated, and the probability of secondary accident occurrence is reduced.
The voice early warning device not only needs to survey road condition information in real time through the camera, but also needs to timely transmit the information to the car owners of the rear car when an accident happens on the road in front of the car, so the voice early warning device is usually arranged on two sides of the road, the condition on the road is convenient to survey more accurately and the information is timely transmitted, but the voice early warning device needs to be exposed in the external environment during working, and the normal operation of the voice early warning device can be influenced by the external temperature change.
When the electric appliance is in summer, the temperature in the box body can be rapidly increased under the heat generation of the electric appliance element and the irradiation of strong sunlight, and a cooling method is generally adopted to cool the electric appliance element in the box body in a fan mode, but the method can not rapidly cool the temperature in the box body, and the fan can only ensure that the temperature in the box body is lowered by about 3-4 ℃, and the cooling effect of the fan is poorer and worse along with the stronger external sunlight, so that the electric appliance element is easy to damage in a long-term high-temperature environment; in winter, in rainy and snowy days, the snow water is easy to permeate into the equipment to damage electrical elements in the melting process, and meanwhile, at low temperature, the condensation and icing phenomena of water can also occur on the surfaces of the electrical elements.
In view of the above, the invention provides a traffic road condition voice early warning device based on a 4G/5G Internet of things technology, which solves the above problems.
Disclosure of Invention
In order to make up the deficiency of the prior art, solve the problem that the high temperature of the external temperature in the prior art is easy to cause the electrical element to fail and can not work normally in the low temperature environment; the invention provides a traffic road condition voice early warning device based on a 4G/5G Internet of things technology.
The technical scheme adopted for solving the technical problems is as follows: a traffic road condition voice early warning device based on a 4G/5G Internet of things technology comprises: the box, be provided with electrical components in the box, the box top is provided with solar panel and camera, its characterized in that:
the two struts are arranged in a hollow mode, one end of each strut is closed, the other end of each strut is not closed, one end of each strut, which is not closed, is fixedly connected with the box body and communicated with the inside of the box body, and connecting pipelines are fixedly connected to the two struts close to the closed ends;
the heat conducting fin group is formed by single heat conducting fin, the heat conducting fin group is fixedly connected to one closed end of the support column, the upper half part of the heat conducting fin group extends into the support column, the lower half part of the heat conducting fin group is positioned outside the support column, and the heat conducting fin group is arranged parallel to the connecting pipeline;
the two fans are respectively fixedly connected to the inner part of the support column; the fan is arranged above the heat conducting fin group;
the one end that the pillar has linked firmly the conducting strip group buries in the soil, the degree of depth of burying is between 2-3.2 meters, for example, the upper sea area, temperature in underground 3 meters department is in 12-16 ℃ throughout the year, and receive outside temperature variation's influence less, the part that the conducting strip group is located outside the pillar contacts with soil, make conducting strip group bulk temperature and soil temperature the same through the effect of heat transfer, be equipped with connecting tube link to each other in two pillar confined one ends, the other end communicates with each other with the box inside, make the inner space wholly be the word form of returning, two fan rotation directions in the pillar are opposite, make inside air current can circulate, when the air current moves to the conducting strip group, make the temperature of air current and the temperature of conducting strip group the same, the conducting strip group sets up the multichip and can accelerate heat transfer's efficiency, the conducting strip group is parallel with connecting tube, gas circulation is more smooth and easy when the air current, reduce the conducting strip group to gas flow's blocking, when the air current moves to the box inside, when the electric apparatus component with box inside carries out heat transfer, realize that the electric apparatus inside the box is in proper working temperature.
Preferably, a water pumping device is arranged between the two struts close to the closed end, a water pipe connected with a water inlet of the water pumping device is arranged between the two struts, the water pipe of the water inlet is respectively communicated with the interiors of the two struts, small holes are formed in the parts, extending into the interiors of the struts, of the heat conducting fin groups, and the lower edges of the small holes are flush with the bottom surface of the inner side of the closed end of the struts;
when the air current carries out heat transfer, when the hot air current runs into cold object, the moisture in the air can condense into the drop of water, and the drop of water can assemble the bottom at the pillar under the effect of gravity, then in time discharge the water that condenses through pumping equipment to set up on the conducting strip group and small Kong Juxiao hole lower limb and pillar blind end inboard bottom surface flush, guarantee that the hydroenergy between the conducting strip group is taken out completely.
Preferably, the water outlet of the water pumping device is connected with a water pipe, and the other end of the water pipe is respectively arranged on the upper surface of the solar panel and the lens of the camera;
the water pipe that pumping equipment delivery port is connected is provided with two delivery ports, sets up respectively in the upper surface department of solar panel and the camera's of camera lens department, then can utilize rivers to wash the surface of solar panel and the camera's of camera lens department, reduces the influence of dust to equipment.
Preferably, a bracket is arranged above the box body, the bracket is obliquely arranged, the solar panel is fixedly connected to the bracket, a spray head is arranged at one end of the bracket, which is close to the upper end, and the spray head is connected with a water pipe of the water outlet;
the shelf of fixed solar panel inclines to set up, on the one hand can make the better direct solar panel of light, on the other hand makes rivers and dust flow away as soon as possible after rivers wash, and the outlet pipe that is close to solar panel department links to each other with the shower nozzle on the support, and the shower nozzle can disperse rivers, makes the even surface of washing solar panel of rivers, increases cleaning performance.
Preferably, the lower edge of the inner side of the water pipe of the water inlet is flush with the bottom surface of the inner side of the closed end of the support column; so that the water flow gathered at the bottom end of the support column can be pumped by the water pumping device.
Preferably, a certain distance is reserved between the connecting pipeline and the bottom end of the support column; the water flow gathering can not influence the flow of the air flow by the pipe orifice of the connecting pipeline when the water flow gathers at the bottom of the support, and meanwhile, the water pumping work can be carried out when the water flow gathers to a certain amount, so that the water pumping equipment can be started when the water flow accumulates to a certain amount each time, and the intermittent work of the water pumping equipment is realized to reduce the waste of electric power.
Preferably, the part of the heat conducting fin group inside the support column is higher than the upper edge of the pipe orifice of the connecting pipe; when the air flow moves, the air flow passing through the inner part of the connecting pipeline can pass through the heat conducting fin group and transfer heat.
Preferably, a protection box is fixedly connected to the inner part of the box body, and an electrical element is arranged in the protection box; the hot air flow is blown on the protection box, so that the hot air flow is prevented from being directly blown on the electric element, and water drops are formed on the protection box.
Preferably, bottom end surfaces inside the box body and positioned at two sides of the strut communication position are obliquely arranged; the water drop flow device is used for accelerating the flow of water drops and reducing the residues of the water drops in the box body.
Preferably, a waterproof cover is arranged above the fan, and the waterproof cover is arranged in a conical shape; the fan is used for preventing condensed water drops from falling on blades of the fan to influence the normal operation of the fan, and meanwhile, the conical arrangement can enable the water drops to flow along the conical surface to the periphery so as to avoid the motor of the fan.
The beneficial effects of the invention are as follows:
1. the invention relates to a traffic road condition voice early warning device based on a 4G/5G internet of things technology, which is characterized by comprising a support column, a heat conducting fin group, a connecting pipeline, a fan, a protection box and a waterproof cover; the heat conducting fin group is used for transferring the soil temperature to the inside of the support column, the air flow is enabled to flow by utilizing the rotation of the fan in the support column, the air flow and the heat conducting fin group are enabled to conduct heat transfer, then the air flow flows into the box body, and the temperature in the box body tends to be stable due to small underground temperature change, so that the electric appliance element is always at a proper working temperature.
2. The invention relates to a traffic road condition voice early warning device based on a 4G/5G Internet of things technology, which is characterized in that a water pumping device, a water pipe, a bracket and a spray head are arranged; the water collected at the bottom of the support column is pumped out through the water pumping equipment, then the surface of the solar panel and the lens of the camera are washed, and the water flow is dispersed through the spray head, so that the solar panel is washed more uniformly, and the influence of dust is reduced.
Drawings
The invention is further described below with reference to the accompanying drawings.
FIG. 1 is a perspective view of the present invention;
FIG. 2 is a cross-sectional view at A in FIG. 1;
fig. 3 is a cross-sectional view of the structure of the heat conductive sheet group and the like in fig. 1;
FIG. 4 is a cross-sectional view of the sprinkler structure of FIG. 1;
FIG. 5 is a partial cross-sectional view of the structure of the case or the like of FIG. 1;
in the figure: 1. a case; 2. an electrical component; 3. a solar panel; 4. a support post; 5. a heat conductive sheet group; 6. a connecting pipe; 7. a fan; 8. pumping equipment; 9. a water pipe; 10. a small hole; 11. a bracket; 12. a spray head; 13. a protection box; 14. a waterproof cover; 15. a camera is provided.
Detailed Description
The invention is further described in connection with the following detailed description in order to make the technical means, the creation characteristics, the achievement of the purpose and the effect of the invention easy to understand.
As shown in fig. 1 to 5;
the technical scheme adopted for solving the technical problems is as follows: a traffic road condition voice early warning device based on a 4G/5G Internet of things technology comprises:
the solar energy power box comprises a box body 1, wherein an electric element 2 is arranged in the box body 1, and a solar panel 3 and a camera 15 are arranged above the box body 1;
the two support posts 4 are arranged, the support posts 4 are hollow, one end of each support post 4 is closed, the other end of each support post 4 is not closed, one end of each support post 4 which is not closed is fixedly connected with the box body 1 and is communicated with the interior of the box body 1, and connecting pipelines 6 are fixedly connected to the two support posts 4 close to the closed ends;
the heat conducting fin group 5 is formed by single heat conducting fin group 5, the heat conducting fin group 5 is fixedly connected to one closed end of the support column 4, the upper half part of the heat conducting fin group 5 stretches into the support column 4, the lower half part of the heat conducting fin group 5 is positioned outside the support column 4, and the heat conducting fin group 5 is arranged parallel to the connecting pipeline 6;
the fans 7 are arranged, and the two fans 7 are fixedly connected to the inner part of the support column 4 respectively; the fan 7 is arranged above the heat conducting fin group 5;
embodiment one;
firstly, determining the installation position of equipment, then burying one end of a support column 4 fixedly connected with a heat conducting fin group 5 into soil by a worker, drawing marks on the surface of the support column 4 according to the required burying depth in different areas, adjusting the burying depth by the worker according to the marked positions, so that the heat conducting fin group 5, a fan 7 and a water pumping device 8 at the bottom end of the support column 4 are all underground, after the equipment is installed, converting solar energy into electric elements through a solar panel to supply power for the electric elements, storing redundant electric quantity in a storage battery, capturing road pictures in real time by a camera 15 on a box body 1, then transmitting the road pictures to the rear equipment through a 4G/5G internet of things technology, giving out dangerous accidents on a road at the front, giving out alarm sounds by the box body 1 at the rear, and reminding a rear driver to adopt corresponding braking measures in time so as to protect the safety of the driver at the rear; when the equipment is in a place with hot climates or in summer, the external environment temperature is higher, the electric elements 2 are easy to damage due to long-time high temperature, but the heat waves on the ground cannot be quickly transmitted to the deep soil layer and can only be slowly transmitted downwards, so the temperature of the underground is far lower than that of the external environment, because the heat conducting fin group 5 passes through the bottom of the support column 4, the temperature of the ground is transmitted to the inside of the support column 4, wherein the heat conducting fin group 5 is made of aluminum, the heat conducting effect of aluminum is better, the heat transmission speed is higher, when the temperature in the box 1 is overhigh, the two fans 7 in the support column 4 start to rotate and the rotation directions are different, the fan 7 in one support column 4 rotates anticlockwise, the air flow in the support column 4 is driven to move downwards, so the air flow in the box 1 blows to the heat conducting fin group 5, when the part of the heat conducting fin group 5 inside the support column 4 is lower than the upper edge of the inner side of the connecting pipeline 6, part of the hot air flow can not contact the heat conducting fin group 5, so that the heat transfer efficiency is reduced, so that the part of the heat conducting fin group 5 inside the support column 4 is higher than the upper edge of the inner side of the connecting pipeline 6, so that the downward hot air flow can fully contact the heat conducting fin group 5 at the bottom end of the support column 4 and transfer heat, the contact area of the hot air flow and the heat conducting fin group 5 is increased by the plurality of pieces of the heat conducting fin group 5, the heat transfer efficiency is improved, the air flow enters the other support column 4 through the connecting pipeline 6 after passing through the heat conducting fin group 5, and continues to transfer heat with the heat conducting fin group 5 in the support column 4, so that the hot air flow exchanges heat with underground soil through the heat conducting fin as a medium, the temperature of the hot air flow is reduced, the fan 7 in the support column 4 rotates clockwise to drive the air flow in the support column 4 to move upwards, the cold air flow at the bottom of the strut 4 is blown into the box body 1, so that the electric elements 2 in the box body 1 are cooled, and as the electric elements are cooled in a heat transfer mode, the hot air flow is utilized to suck hot air flow and blow the cold air flow, compared with the prior art that a single fan 7 is arranged in the box body 1 for heat dissipation, the cooling effect is obvious due to the fact that the cooling effect is achieved by blowing underground low temperature into the box body 1 in the process of cold and heat exchange with underground;
when the hot air flow contacts with the heat conducting fin group 5, the surface temperature of the heat conducting fin group 5 is close to the underground temperature, because the temperature difference exists between the temperature of the heat conducting fin group 5 and the temperature of the hot air flow, water in the hot air flow can form water drops on the surface of the low-temperature heat conducting fin group 5, when the water drops gather to a certain amount, the water drops can flow to the bottom end of the support column 4 under the action of gravity of the water drops and gather, in order to prevent the gathering of the water drops from influencing the flow efficiency of the air flow in the connecting pipeline 6, a certain distance is reserved between the position of the connecting pipeline 6 and the bottom end of the support column 4, a certain distance is reserved between the bottom end of the support column 4 and used for receiving the water drops, when the water surface height reaches the connecting pipeline 6, a water level sensor is arranged in the connecting pipeline 6 and can start the water pumping device 8 to pump the water, the heat conducting fin group 5 is provided with small holes 10 at the inner part of the support column 4, the lower edge of the heat conducting fin group is flush with the bottom surface of the inner side of the closed end of the support column 4, so that water between the heat conducting fin group 5 can be pumped out, a water pipe 9 connected with a water outlet of the water pumping device 8 is provided with two water outlets which are respectively arranged at the upper surface of the solar panel 3 and the lens of the camera 15, then the surface of the solar panel 3 and the lens of the camera 15 can be washed by water flow, the influence of dust on the device is reduced, because the area of the solar panel 3 is larger, the direct washing and cleaning effect of the water pipe 9 is poorer, as shown in fig. 4, a spray head 12 is connected at the outlet of the water pipe 9, the spray head 12 can uniformly disperse the water flow to wash the surface of the solar panel 3, the washing effect is increased, and a bracket 11 for fixing the solar panel 3 is obliquely arranged, on the one hand, the solar panel 3 with better light can be directly irradiated, on the other hand, the water flow and dust can flow away as soon as possible after the water flow is washed.
Embodiment two;
when the equipment is installed in a cold place in a climate condition or in winter, the temperature of the external environment is lower, the condensation and icing of water can occur on the surface of the electric element 2, the endurance of a battery in the low-temperature environment can be reduced, no solar panel 3 is used for supplying power at night, the battery electric quantity can not enable the equipment to run all night, the underground temperature is higher than the external environment, the soil temperature is transferred into the struts 4 through the heat conducting fin groups 5, then the fans 7 in one strut 4 rotate anticlockwise to drive the air flow in the strut 4 to move downwards, so that the cold air flow in the box 1 blows to the heat conducting fin groups 5, the air flow enters the other strut 4 through the connecting pipeline 6 after passing through the heat conducting fin groups 5 and continuously carries out heat transfer with the heat conducting fin groups 5 in the strut 4, the temperature of the cold air flow can be increased, the fans 7 in the strut 4 rotate clockwise, the air flow in the support column 4 is driven to move upwards, so that the air flow at the bottom of the support column 4 blows into the box body 1, the temperature in the box body 1 is raised, as the air flow directly blows to the electric element 2, water drops are easy to generate on the surface of the electric element 2, the electric element 2 is easy to cause short circuit and other problems, as shown in figure 5, a protective box 13 is arranged in the box body 1, the electric element 2 is arranged in the protective box 13, the air flow directly blows to the protective box 13 and cannot blow to the electric element 2, the water drops only occur outside the protective box 13, the water drops can drop onto the bottom end surface of the inside of the box body 1 under the influence of self gravity, the bottom end surfaces of the inside of the box body 1, which are positioned at two sides of the connection position of the support column 4, are obliquely arranged, the flow of the water drops can be accelerated, the residue of the water drops in the inside of the box body 1 is reduced, a waterproof cover 14 is arranged above the fan 7, the waterproof cover 14 is in a conical shape, prevent that water droplet from dripping on fan 7's motor, influence fan 7's normal operating, the toper setting can make the drop flow around along the toper towards, avoid fan 7's motor department to flow downwards along pillar 4 medial surface for the drop gathers in pillar 4's bottom, the bottom size of buckler 14 slightly is greater than fan 7's motor's size, is less than pillar 4 diameter size and reduces the influence to the air current flow, because water and conducting strip group 5 contact also can carry out heat transfer, so the temperature of water also can rise, when washing solar panel 3 and camera 15 through pumping equipment 8, can melt and wash the frost and the dust on surface.
Claims (9)
1. A traffic road condition voice early warning device based on a 4G/5G Internet of things technology comprises: the solar energy box comprises a box body (1), wherein an electrical element (2) is arranged in the box body (1), and a solar panel (3) and a camera (15) are arranged above the box body (1), and is characterized in that:
the two support posts (4) are arranged, the support posts (4) are hollow, one end of each support post (4) is closed, the other end of each support post is not closed, one end of each support post (4) which is not closed is fixedly connected with the box body (1) and communicated with the interior of the box body (1), and the two support posts (4) are fixedly connected with a connecting pipeline (6) close to the closed end;
the heat conducting fin group (5), the single heat conducting fin of the heat conducting fin group (5) is formed, the heat conducting fin group (5) is fixedly connected to one closed end of the support column (4), the upper half part of the heat conducting fin group (5) stretches into the support column (4), the lower half part of the heat conducting fin group is positioned outside the support column (4), and the heat conducting fin group (5) is arranged parallel to the connecting pipeline (6);
the fans (7) are arranged, and the two fans (7) are fixedly connected in the support column (4) respectively; the fan (7) is arranged above the heat conducting fin group (5);
the two support posts (4) are provided with water pumping equipment (8) between being close to the closed end, water pipes (9) are connected with water inlets of the water pumping equipment (8), the water pipes (9) of the water inlets are respectively communicated with the interiors of the two support posts (4), small holes (10) are formed in the parts, extending into the interiors of the support posts (4), of the heat conducting fin groups (5), and the lower edges of the small holes (10) are flush with the bottom surface of the inner side of the closed end of the support post (4).
2. The traffic road condition voice early warning device based on the 4G/5G Internet of things technology according to claim 1, wherein the traffic road condition voice early warning device is characterized in that: the water outlet of the water pumping device (8) is connected with a water pipe (9), and the other end of the water pipe (9) is respectively arranged at the upper surface of the solar panel (3) and the lens of the camera (15).
3. The traffic road condition voice early warning device based on the 4G/5G Internet of things technology according to claim 1, wherein the traffic road condition voice early warning device is characterized in that: the solar energy box is characterized in that a support (11) is arranged above the box body (1), the support (11) is obliquely arranged, the solar panel (3) is fixedly connected to the support (11), a spray head (12) is arranged at one end, close to the support (11), of the support, and the spray head (12) is connected with a water pipe (9) of a water outlet.
4. The traffic road condition voice early warning device based on the 4G/5G Internet of things technology according to claim 1, wherein the traffic road condition voice early warning device is characterized in that: the lower edge of the inner side of the water pipe (9) of the water inlet is flush with the bottom surface of the inner side of the closed end of the support column (4).
5. The traffic road condition voice early warning device based on the 4G/5G Internet of things technology according to claim 1, wherein the traffic road condition voice early warning device is characterized in that: the connecting pipeline (6) is positioned at a distance from the bottom end of the support column (4).
6. The traffic road condition voice early warning device based on the 4G/5G Internet of things technology according to claim 1, wherein the traffic road condition voice early warning device is characterized in that: the part of the heat conducting fin group (5) in the support column (4) is higher than the upper edge of the pipe orifice of the connecting pipe (6).
7. The traffic road condition voice early warning device based on the 4G/5G Internet of things technology according to claim 1, wherein the traffic road condition voice early warning device is characterized in that: the protection box is characterized in that a protection box (13) is fixedly connected inside the box body (1), and an electrical element (2) is arranged inside the protection box (13).
8. The traffic road condition voice early warning device based on the 4G/5G Internet of things technology according to claim 1, wherein the traffic road condition voice early warning device is characterized in that: the bottom end surfaces inside the box body (1) and positioned on two sides of the communication position of the support column (4) are obliquely arranged.
9. The traffic road condition voice early warning device based on the 4G/5G Internet of things technology according to claim 1, wherein the traffic road condition voice early warning device is characterized in that: a waterproof cover (14) is arranged above the fan (7), and the waterproof cover (14) is arranged in a conical mode.
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| CN202211058996.2A CN115472033B (en) | 2022-08-30 | 2022-08-30 | Traffic road condition voice early warning device based on 4G/5G Internet of things technology |
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| CN104589480B (en) * | 2015-01-28 | 2017-02-22 | 华北水利水电大学 | Concrete curing box |
| CN205946495U (en) * | 2016-08-23 | 2017-02-08 | 江苏明强电气有限公司 | Power cabinet with multi -mode heat dissipation function |
| CN210629417U (en) * | 2019-10-21 | 2020-05-26 | 宜兴锦尚太阳能科技有限公司 | Photovoltaic module with good heat dissipation performance |
| RU2767376C1 (en) * | 2021-07-02 | 2022-03-17 | Акционерное общество «Научно-производственная корпорация «Уралвагонзавод» имени Ф.Э. Дзержинского | Dustproof test chamber |
| CN216058029U (en) * | 2021-09-08 | 2022-03-15 | 郭江龙 | Monitoring pile for field geological disasters |
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