CN220035255U - Road traffic warning equipment - Google Patents
Road traffic warning equipment Download PDFInfo
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- CN220035255U CN220035255U CN202321430434.6U CN202321430434U CN220035255U CN 220035255 U CN220035255 U CN 220035255U CN 202321430434 U CN202321430434 U CN 202321430434U CN 220035255 U CN220035255 U CN 220035255U
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- 230000007246 mechanism Effects 0.000 claims description 10
- 238000004880 explosion Methods 0.000 claims description 9
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- 230000001133 acceleration Effects 0.000 claims description 6
- 230000000007 visual effect Effects 0.000 claims description 3
- 238000006073 displacement reaction Methods 0.000 claims description 2
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 description 3
- 229910052744 lithium Inorganic materials 0.000 description 3
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Abstract
The utility model discloses road traffic warning equipment, which consists of two independent main boxes and warning boards; a charger, an alarm, a plurality of early warning shoulder lamps, a plurality of early warning road cones and a plurality of USB intelligent charging interfaces are arranged in the main box body; the early warning road cone is provided with an axial telescopic structure and is stored in the main box body in a compressed state; the front of the warning board is provided with an LED display screen for highlighting the fire rescue site safety early warning information, and the warning board is provided with a charging jack which can be connected with a USB intelligent charging interface of the main box body through a charging wire; the road cone and the LED warning board are integrally integrated on the basis of the existing firefighter shoulder lamp, are mutually connected and interrelated, can standardize the fire-fighting rescue site safety management and control work, can fully play the role of a safety officer, effectively improves the overall safety rescue level of a fire department, has more diversified application scenes, and is very suitable for being used on fire-fighting rescue sites of urban traffic roads and urban villages.
Description
Technical Field
The utility model relates to the field of road traffic facilities, in particular to road traffic warning equipment.
Background
The existing road traffic warning equipment generally adopts a road cone which is only stuck with a reflecting strip and a red and blue warning lamp which is provided with a solar panel and has a flickering function.
However, for the safety control, risk warning and combat assistance of urban traffic roads and urban village fire rescue sites, the road traffic warning equipment used by the existing fire brigade is not standardized for the fire fighting rescue site safety control work, the function of a safety officer is not fully exerted, the overall safety rescue level of the fire brigade is difficult to be improved, and the application scene is relatively single.
Thus, the road traffic warning equipment of the prior art is still in need of improvement.
Disclosure of Invention
The utility model aims to provide the road traffic warning device, which can standardize the fire-fighting rescue site safety management and control work, can fully play the role of a safety officer, can effectively improve the overall safety rescue level of a fire department, has more diversified application scenes, and is more suitable for the fire-fighting rescue sites of urban traffic roads and urban villages.
The technical scheme of the utility model is as follows: a road traffic warning device consists of two independent main boxes and warning boards; wherein,
a charger, an alarm, a plurality of early warning shoulder lamps and a plurality of early warning road cones are arranged in the main box body; the main box body is internally provided with a plurality of paths of USB intelligent charging interfaces, and each path of USB intelligent charging interface is connected with a standby power supply circuit arranged in the main box body; the charger is used for charging a standby power supply in the main box body by connecting a commercial power socket; the early warning road cone is provided with an axial telescopic structure, is stored in the main box body in a compressed state, and is provided with an arch handle at the top;
the front of the warning board is provided with an LED display screen for highlighting the fire rescue site safety early warning information; the warning sign is provided with a charging jack which can be connected with a USB intelligent charging interface of the main box body through a charging wire.
The road traffic warning equipment comprises: the width and the height of the main box body are matched with the length and the width of the bottom of the early warning road cone, and a plurality of early warning road cones in a compressed state are arranged side by side along the length direction of the main box body.
The road traffic warning equipment comprises: the main box body consists of an upper cover and a base, the upper cover is hinged with the long side of the same side of the base, and the long side of the other side is provided with a lock catch at intervals; the alarm, the plurality of early warning shoulder lamps and the charger are sequentially arranged on one side of the base from back to front along the width direction of the base, and the plurality of early warning shoulder lamps are arranged side by side along the length direction of the base; the USB intelligent charging interface is arranged at the bottom of the concave cavity for placing the early warning shoulder lamp.
The road traffic warning equipment comprises: two first rollers are arranged at the edges of the end face of one side of the main box body and the bottom face of the main box body at intervals, and a first pull rod mechanism which can be pulled out from the end face direction of the other side of the main box body is arranged on the bottom face of the main box body; and the four corners of the bottom surface of the main box body are respectively fixed with a first supporting leg.
The road traffic warning equipment comprises: the early warning shoulder lamp is provided with a flashing key, a red and blue LED lamp and a white LED lamp, and the control mode is one-key operation; and the warning shoulder lamp is used for receiving the warning signal sent by the warning road cone and sending the warning signal to the alarm.
The road traffic warning equipment comprises: the early warning road cone is internally provided with an acceleration sensor and a wireless transmitting module, and is used for sending out a red-blue explosion and flash warning when the road cone is impacted to topple, accelerate or displace, and sending out a warning signal to an early warning shoulder lamp.
The road traffic warning equipment comprises: two red and blue LED lamps with the explosion/slow flashing functions are arranged on the warning board side by side, and the red and blue LED lamps are positioned at the top end of the LED display screen; the two sides of the upper end of the LED display screen are also embedded with horns.
The road traffic warning equipment comprises: the inside acceleration sensor that is provided with of warning sign is used for receiving the striking and taking place to empty, accelerate or displacement, triggers the explosion of loudspeaker cooperation red blue LED lamp and twinkle and send audible and visual alarm signal.
The road traffic warning equipment comprises: the bottom of LED display screen articulates the bottom at a support frame, and is connected with the atmospheric pressure bracing piece between the back of LED display screen and the upper portion of support frame.
The road traffic warning equipment comprises: two second rollers are arranged at the edge of the bottom surface of the support frame close to the bottom end of the support frame at intervals, and a second pull rod mechanism capable of being pulled out from the top end direction of the support frame is arranged on the bottom surface of the support frame; and second support legs are respectively fixed on two sides of the bottom surface of the support frame, which is close to the top end of the support frame.
Compared with the road traffic warning equipment in the prior art, the road traffic warning equipment has the beneficial effects that: the road cone and the LED warning board are integrally integrated on the basis of the existing firefighter shoulder lamp, are mutually connected and interrelated, can standardize the fire-fighting rescue site safety management and control work, can fully play the role of a safety officer, effectively improves the overall safety rescue level of a fire department, has more diversified application scenes, and is very suitable for being used on fire-fighting rescue sites of urban traffic roads and urban villages.
Drawings
The drawings described herein are for illustration purposes only and are not intended to limit the scope of the present disclosure in any way; the shapes and proportional sizes of the components in the drawings are only illustrative, and are not intended to limit the shapes and proportional sizes of the components of the present utility model in particular, so as to assist in understanding the present utility model; those skilled in the art with access to the teachings of the present utility model can select a variety of possible shapes and scale sizes to practice the present utility model as the case may be.
FIG. 1 is a schematic perspective view of a main box body used in road traffic warning equipment according to the present utility model in an open state;
FIG. 2 is a schematic view of a front perspective structure of a warning sign for road traffic warning equipment of the present utility model in an open state;
FIG. 3 is a schematic view of a front perspective structure of a warning sign for road traffic warning equipment according to the present utility model in a closed state;
FIG. 4 is a schematic view of the rear perspective structure of the warning sign for road traffic warning equipment of the present utility model in an open state;
fig. 5 is a schematic view of a rear perspective structure of a warning sign for road traffic warning equipment according to the present utility model in a closed state.
The reference numerals in the figures are summarized: 100. a main case; 110. a charger; 120. an alarm; 130. early warning shoulder lamps; 140. early warning road cone; 141. an arched handle; 150. an upper cover; 160. a base; 161. a first roller; 162. a first pull rod mechanism; 163. a first leg; 200. a warning board; 210. an LED display screen; 211. a red-blue LED lamp; 212. a horn; 220. a support frame; 221. a second roller; 222. a second leg; 230. a control switch; 240. a pneumatic support rod; 250. a second pull rod mechanism.
Description of the embodiments
The following detailed description and examples of the utility model are presented in conjunction with the drawings, and the described examples are intended to illustrate the utility model and not to limit the utility model to the specific embodiments.
The road traffic warning equipment of the utility model is a barrier for guaranteeing the life safety of field personnel, and is used for safety control, risk warning and combat assistance of urban roads and village rescue sites in cities.
As shown in fig. 1 and 2, the road traffic warning apparatus of the present utility model is composed of two independent functional components, one is the main box 100 in fig. 1, and the other is the warning sign 200 in fig. 2; wherein:
a charger 110, an alarm 120, a plurality of warning shoulder lamps 130 and a plurality of warning road cones 140 are arranged in the main box body 100; the main box 100 is also provided with multiple paths of USB intelligent charging interfaces (for example, the interfaces can be arranged on the bottom surface of a concave cavity for placing the warning shoulder lamp 130), each path of USB intelligent charging interface is connected with a standby power circuit arranged inside the main box 100, and the standby power can be arranged below the concave cavity for placing the charger 110, the alarm 120 and the warning shoulder lamp 130; the charger 110 is used for charging a standby power supply in the main box 100 by connecting a commercial power socket; the USB intelligent charging interface can be used for charging the warning shoulder lamp 130, the warning road cone 140 and the warning board 200 through connecting a charging wire; the pre-warning road cone 140 has an axial telescopic structure and is used for being compressed to a fully folded storage state before being placed in the main box body 100, and an arch-shaped handle 141 is arranged at the top of the pre-warning road cone 140 and is used for stretching the pre-warning road cone 140 to a fully unfolded use state in a manner of being matched with the edge of the pre-warning road cone 140 by feet before being used;
the front of the warning board 200 is provided with an LED display screen 210, which can be connected with a circuit board and a rechargeable battery arranged in the LED display screen 210 through a control switch 230 arranged at the back of the LED display screen 210 in fig. 4, and is used for highlighting fire-fighting rescue site safety early warning information such as fire-fighting rescue, safety exit and the like, and the display information on the LED display screen 210 can be modified in corresponding APP programs through a data line connected with a terminal such as a computer, a mobile phone or a tablet; the warning board 200 is provided with a charging jack (for example, the charging jack can be arranged on the side, the bottom or the back of the warning board 200) which can be connected with any USB intelligent charging interface of the main box 100 through a charging wire.
Specifically, as shown in fig. 1, the overall dimensions of the main casing 100 are 72cm long, 38cm wide, and 34cm high; the main box body 100 is composed of an upper cover 150 and a base 160, the upper cover 150 and the base 160 are hinged along the long side of the same side, and two lock catches are arranged at intervals on the long side of the other side and used for locking the upper cover 150 and the base 160, so that the main box body 100 can be conveniently carried and moved; after the upper cover 150 is opened, five warning road cones 140 in a fully folded state are inserted side by side in the length direction of the space on the right side of the base 160, an alarm 120, three warning shoulder lamps 130 and a charger 110 are sequentially placed in the left side of the base from back to front in the width direction of the space, the middle three warning shoulder lamps 130 are placed side by side in the length direction of the base 160, three USB intelligent charging interfaces are arranged side by side in the length direction of the concave cavity for placing the warning shoulder lamps 130 at the bottom of each concave cavity, and the output of the nine USB intelligent charging interfaces is DC5V1A; the rated power of the standby power supply built in the lower left side of the base 160 is 50W, and the input voltage AC is 100-240V and 50-60Hz.
Specifically, the warning shoulder lamp 130 is configured to receive the warning signal sent by the warning road cone 140, and can send continuous and rapid beep and continuous flashing red and blue light, and send the warning signal to the alarm 120; the warning shoulder lamp 130 has the same appearance and function as the general warning shoulder lamp, and can be used in traffic service, law enforcement and other places as well.
For example, the early warning shoulder lamp 130 is provided with a flashing key, a red-blue LED lamp and a white LED lamp, the control mode can be operated by one key, the flashing frequency of the red-blue LED lamp is 5Hz or 8Hz, the working time of the red-blue LED lamp in the early warning mode is more than 6 hours, the working time of the white LED lamp in the shoulder lamp mode is more than 12 hours, the wireless working frequency for receiving and transmitting alarm signals is 433Hz, the receiving distance is more than 200 m in an open area, the response time is less than 10ms, the external dimension of the early warning shoulder lamp 130 is 80×31×27mm, the external dimension error is +/-1 mm, the weight is less than 50g, the protection level is IP54, and the capacity of the built-in lithium battery is 500mA.
Specifically, the alarm 120 is configured to receive the alarm signal of the warning shoulder lamp 130 and/or the warning road cone 140, and may send out a red-blue light flashing alarm and a high decibel alarm, on which a red key and a black key are disposed, when the red key is pressed, the alarm 120 only sends out a red-blue light flashing alarm, and after the black key is pressed, when receiving the alarm signal of any warning shoulder lamp 130, the alarm 120 simultaneously sends out a high decibel alarm to remind surrounding personnel to evacuate the fire rescue scene immediately.
For example, the sound intensity of the high decibel flute sound emitted by the alarm 120 is 100dB, the flashing frequency of the red and blue LED lamp is 5Hz, the flashing working time is more than or equal to 10 hours, the wireless working frequency for receiving and transmitting alarm signals is 433Hz, the receiving distance is more than 200 m in an open area, the external dimension of the alarm 120 is 13X 12mm, the weight is 430g, the protection level is IP54, and the capacity of a built-in lithium battery is 750mA.
Specifically, the pre-warning road cone 140 is internally provided with an acceleration sensor and a wireless transmitting module, when the pre-warning road cone 140 is impacted to topple, accelerate or displace, a red-blue explosion flash/slow flash alarm is sent out, and an alarm signal is sent out to the pre-warning shoulder lamp 130 and/or the alarm 120 through the wireless transmitting module; the early warning road cone 140 is provided with a red switch, and after the red switch is turned on, the early warning road cone 140 is in an early warning state.
For example, the flashing frequency of the red and blue LED lamp of the early warning road cone 140 is 5Hz/8Hz, the working time in the early warning mode of flashing red and blue light is more than or equal to 16 hours, the unfolding height of the early warning road cone 140 after stretching is 70cm, the weight is 2Kg, the protection grade is IP65, and the capacity of a built-in lithium battery is 2000mA.
Preferably, two first rollers 161 are arranged at intervals on the edge of the right side end face of the base 160 of the main box 100 and the bottom face of the base 160, and a first pull rod mechanism 162 which can be pulled out from the direction of the left side end face of the base 160 is arranged on the bottom face of the base 160 and is used for being matched with the first rollers 161 so as to easily drag the main box 100; meanwhile, first legs 163 are fixed at four corners of the bottom surface of the base 160 to prevent the first pull rod mechanism 162 from being pressed to the ground in a state where the main casing 100 is laid flat, and to secure stability of the entire main casing 100 after the upper cover 150 is opened.
Specifically, as shown in fig. 2 and 3, the warning board 200 includes an LED display screen 210 and a supporting frame 220, where the area size of the LED display screen 210 is 640mm×160mm; meanwhile, in order to facilitate the display of safety precaution information on the LED display screen 210 at the fire rescue site; two red and blue LED lamps 211 with the explosion/slow flashing functions are arranged side by side at the top end of the LED display screen 210, and meanwhile, horns 212 are embedded in two sides of the upper end of the LED display screen 210; the loudspeaker 212 and the red and blue LED lamp 211 are electrically connected with a control circuit board and a rechargeable battery inside the LED display screen 210 through respective wires, and an acceleration sensor is arranged inside the loudspeaker and the red and blue LED lamp 211 and used for triggering the loudspeaker 212 to be matched with the explosion flash of the red and blue LED lamp 211 to emit an audible and visual alarm signal when the warning board 200 is impacted to topple, accelerate or displace.
As shown in fig. 4 and 5, it is preferable that the bottom end of the LED display screen 210 is hinged to the bottom end of a supporting frame 220, and an air pressure supporting rod 240 is connected between the back surface of the LED display screen 210 and the upper portion of the supporting frame 220, for erecting the LED display screen 210 to a state approaching 90 ° by using the elongated air pressure supporting rod 240 in a state that the supporting frame 220 is horizontally placed on the ground; in the case that the LED display 210 is folded with the supporting frame 220 to shorten the air pressure supporting rod 240, the air pressure supporting rod 240 can be prevented from being extended by the lock catch arranged between the top end of the LED display 210 and the top end of the supporting frame 220.
Specifically, the working temperature of the LED display screen 210 is between-10 ℃ and 50 ℃, and the height of the LED display screen 210 is 100cm away from the ground after the LED display screen is erected; the frequency of the red and blue LED lamps 211 flickering is 5Hz/8Hz, and the working time of the red and blue LED lamps in the early warning mode of red and blue light flickering is more than or equal to 12 hours; the weight of the warning board 200 is 15Kg, the protection grade is IP65, and the power of the built-in rechargeable battery is 20W.
Preferably, two second rollers 221 are arranged at intervals on the edge of the bottom surface of the support frame 220 near the bottom end, and a second pull rod mechanism 250 which can be pulled out from the top end direction of the support frame 220 is arranged on the bottom surface of the support frame 220 and is used for being matched with the second rollers 221 to facilitate carrying and moving the warning board 200; meanwhile, the second support legs 222 are respectively fixed at two sides of the bottom surface of the support frame 220 near the top end thereof, so as to avoid the damage of the second pull rod mechanism 250 caused by being pressed onto the ground when the warning board 200 is in a flat state, and ensure the stability of the whole warning board 200 after the LED display screen 210 is erected.
The working principle or the using process of the road traffic warning equipment is as follows: the LED display screen 210 of the warning board 200 is raised, the switch is touched lightly, the red and blue LED lamp 211 with the slow flashing function is turned on, meanwhile, the red control switch 230 is turned on, the LED display screen 210 is turned on, and the fire rescue site safety early warning information of fire rescue is highlighted.
The main box body 100 is opened, the early warning shoulder lamp 130 is taken out from the main box body, and the flash key is pressed for a short time, so that the flash of red light and blue light, the white illumination and the closing can be switched in sequence; after the blinking key is pressed for two seconds for hearing a sound of 'beep', a green indicator lamp is turned on, and an early warning shoulder lamp 130 enters an early warning state and can receive an alarm signal; when receiving the alarm signal sent by the early warning road cone 140, the early warning shoulder lamp 130 sends out a rapid 'ticker', the red and blue LED lamp flashes rapidly, at the moment, the flashing key is pressed for a short time, equipment in an alarm state can be closed, then the flashing key is pressed for a long time, the green indicator lamp is extinguished, and the early warning shoulder lamp 130 exits from the early warning state; if the flashing key is pressed for five seconds for a long time, after hearing the two sounds of the 'beep', the green indicator lamp is turned on, and the early warning shoulder lamp 130 enters an early warning transmitting state at this time and can be hung above a higher object to be used as a short-distance wireless transmitter.
Taking out the warning road cone 140 and the alarm 120 from the main case 100, opening a red switch to enable the warning road cone 140 to be in a warning state after the warning road cone 140 is stretched, arranging the warning road cone at the periphery of a fire scene, pressing a red key and a black key of the alarm 120, and placing the warning road cone at a more obvious open position; when a vehicle enters a controlled area and collides with the warning road cone 140 to enable the vehicle to displace or topple, the warning road cone 140 sends an alarm signal to the warning shoulder lamp 130, after the warning shoulder lamp 130 receives the alarm signal sent by the warning road cone 140, the warning shoulder lamp 130 sends continuous and rapid beep and continuous and flashing red and blue light, and meanwhile sends the alarm signal to the alarm 120, and when the alarm 120 receives the alarm signal of the warning shoulder lamp 130, the alarm 120 sends a high decibel warning whistle alarm.
It should be noted that, the road traffic warning equipment of the utility model has better use experience, does not realize simple functions with complex structures, and does not adopt conventional or simple features for combination or stacking, thereby conforming to the normal theory of technical improvement and having certain practicability.
What is not described in detail in this specification is all of the prior art known to those of ordinary skill in the art, such as, for example, warning shoulder lamps; as another example, a telescopic early warning road cone; for another example, an air pressure support bar, etc.
It should be understood that the foregoing description is only of the preferred embodiments of the present utility model and is not intended to limit the technical solutions of the present utility model, and it should be understood that the foregoing may be added, substituted, altered or modified within the spirit and principle of the present utility model by those skilled in the art, and all such added, substituted, altered or modified embodiments fall within the scope of the appended claims.
Claims (10)
1. A road traffic warning device, characterized by: consists of two independent main boxes and warning boards; wherein,
a charger, an alarm, a plurality of early warning shoulder lamps and a plurality of early warning road cones are arranged in the main box body; the main box body is internally provided with a plurality of paths of USB intelligent charging interfaces, and each path of USB intelligent charging interface is connected with a standby power supply circuit arranged in the main box body; the charger is used for charging a standby power supply in the main box body by connecting a commercial power socket; the early warning road cone is provided with an axial telescopic structure, is stored in the main box body in a compressed state, and is provided with an arch handle at the top;
the front of the warning board is provided with an LED display screen for highlighting the fire rescue site safety early warning information; the warning sign is provided with a charging jack which can be connected with a USB intelligent charging interface of the main box body through a charging wire.
2. The road traffic warning apparatus according to claim 1 characterized in that: the width and the height of the main box body are matched with the length and the width of the bottom of the early warning road cone, and a plurality of early warning road cones in a compressed state are arranged side by side along the length direction of the main box body.
3. The road traffic warning apparatus according to claim 1 characterized in that: the main box body consists of an upper cover and a base, the upper cover is hinged with the long side of the same side of the base, and the long side of the other side is provided with a lock catch at intervals; the alarm, the plurality of early warning shoulder lamps and the charger are sequentially arranged on one side of the base from back to front along the width direction of the base, and the plurality of early warning shoulder lamps are arranged side by side along the length direction of the base; the USB intelligent charging interface is arranged at the bottom of the concave cavity for placing the early warning shoulder lamp.
4. The road traffic warning apparatus according to claim 1 characterized in that: two first rollers are arranged at the edges of the end face of one side of the main box body and the bottom face of the main box body at intervals, and a first pull rod mechanism which can be pulled out from the end face direction of the other side of the main box body is arranged on the bottom face of the main box body; and the four corners of the bottom surface of the main box body are respectively fixed with a first supporting leg.
5. The road traffic warning apparatus according to claim 1 characterized in that: the early warning shoulder lamp is provided with a flashing key, a red and blue LED lamp and a white LED lamp, and the control mode is one-key operation; and the warning shoulder lamp is used for receiving the warning signal sent by the warning road cone and sending the warning signal to the alarm.
6. The road traffic warning apparatus according to claim 1 characterized in that: the early warning road cone is internally provided with an acceleration sensor and a wireless transmitting module, and is used for sending out a red-blue explosion and flash warning when the road cone is impacted to topple, accelerate or displace, and sending out a warning signal to an early warning shoulder lamp.
7. The road traffic warning apparatus according to claim 1 characterized in that: two red and blue LED lamps with the explosion/slow flashing functions are arranged on the warning board side by side, and the red and blue LED lamps are positioned at the top end of the LED display screen; the two sides of the upper end of the LED display screen are also embedded with horns.
8. The road traffic warning apparatus of claim 7 wherein: the inside acceleration sensor that is provided with of warning sign is used for receiving the striking and taking place to empty, accelerate or displacement, triggers the explosion of loudspeaker cooperation red blue LED lamp and twinkle and send audible and visual alarm signal.
9. The road traffic warning apparatus according to claim 1 characterized in that: the bottom of LED display screen articulates the bottom at a support frame, and is connected with the atmospheric pressure bracing piece between the back of LED display screen and the upper portion of support frame.
10. The road traffic warning apparatus according to claim 9 characterized in that: two second rollers are arranged at the edge of the bottom surface of the support frame close to the bottom end of the support frame at intervals, and a second pull rod mechanism capable of being pulled out from the top end direction of the support frame is arranged on the bottom surface of the support frame; and second support legs are respectively fixed on two sides of the bottom surface of the support frame, which is close to the top end of the support frame.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321430434.6U CN220035255U (en) | 2023-06-07 | 2023-06-07 | Road traffic warning equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321430434.6U CN220035255U (en) | 2023-06-07 | 2023-06-07 | Road traffic warning equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220035255U true CN220035255U (en) | 2023-11-17 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321430434.6U Active CN220035255U (en) | 2023-06-07 | 2023-06-07 | Road traffic warning equipment |
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| Country | Link |
|---|---|
| CN (1) | CN220035255U (en) |
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2023
- 2023-06-07 CN CN202321430434.6U patent/CN220035255U/en active Active
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