CN113192276A - Construction site construction safety maintenance reminds and warning device - Google Patents
Construction site construction safety maintenance reminds and warning device Download PDFInfo
- Publication number
- CN113192276A CN113192276A CN202110465362.8A CN202110465362A CN113192276A CN 113192276 A CN113192276 A CN 113192276A CN 202110465362 A CN202110465362 A CN 202110465362A CN 113192276 A CN113192276 A CN 113192276A
- Authority
- CN
- China
- Prior art keywords
- integrated equipment
- equipment main
- data cable
- warning device
- limiting
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 238000010276 construction Methods 0.000 title claims abstract description 42
- 238000012423 maintenance Methods 0.000 title claims abstract description 12
- 230000000670 limiting effect Effects 0.000 claims description 48
- 238000013461 design Methods 0.000 abstract description 7
- 238000013459 approach Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000003889 chemical engineering Methods 0.000 description 1
- 239000003153 chemical reaction reagent Substances 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 238000009439 industrial construction Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000004806 packaging method and process Methods 0.000 description 1
Images
Classifications
-
- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B13/00—Burglar, theft or intruder alarms
- G08B13/18—Actuation by interference with heat, light, or radiation of shorter wavelength; Actuation by intruding sources of heat, light, or radiation of shorter wavelength
- G08B13/189—Actuation by interference with heat, light, or radiation of shorter wavelength; Actuation by intruding sources of heat, light, or radiation of shorter wavelength using passive radiation detection systems
- G08B13/19—Actuation by interference with heat, light, or radiation of shorter wavelength; Actuation by intruding sources of heat, light, or radiation of shorter wavelength using passive radiation detection systems using infrared-radiation detection systems
-
- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B21/00—Alarms responsive to a single specified undesired or abnormal condition and not otherwise provided for
- G08B21/18—Status alarms
- G08B21/24—Reminder alarms, e.g. anti-loss alarms
-
- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B7/00—Signalling systems according to more than one of groups G08B3/00 - G08B6/00; Personal calling systems according to more than one of groups G08B3/00 - G08B6/00
- G08B7/06—Signalling systems according to more than one of groups G08B3/00 - G08B6/00; Personal calling systems according to more than one of groups G08B3/00 - G08B6/00 using electric transmission, e.g. involving audible and visible signalling through the use of sound and light sources
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Business, Economics & Management (AREA)
- Emergency Management (AREA)
- Emergency Alarm Devices (AREA)
Abstract
The invention discloses a construction site construction safety maintenance reminding and warning device which comprises an integrated equipment main body, wherein connecting interfaces are arranged on the left side and the right side of the integrated equipment main body, a data cable is arranged at one end of each connecting interface, threaded connecting sleeves are sleeved at the two ends of each data cable, a plurality of groups of infrared sensors are arranged on the outer wall of each data cable at equal intervals, and an audio speaker is fixedly arranged at the top end of the integrated equipment main body. Through the integrated equipment main part that sets up, connection interface, the data cable, the thread connection cover, infrared sensor, audio speaker, highlight warning light, mutually supporting of locating lever and reflection of light cover, avoided the pedestrian to miss the engineering building site, improved the security that the pedestrian crossed engineering ground, and because integrated equipment main part and data cable adopt the multistage formula design, make integrated equipment main part and data cable can center on the engineering ground of different shapes, increased the application scope of device.
Description
Technical Field
The invention relates to the technical field of construction site construction, in particular to a construction site construction safety maintenance reminding and warning device.
Background
The construction engineering (including chemical engineering construction, mine construction and other industrial construction) is an industry with higher accident risk, the government pays attention to the construction safety problem, and establishes a safety work policy of prevention-oriented, safe first and comprehensive treatment, a building department and a national safety production supervision and management administration increase the management intensity of the construction engineering, and require all the construction engineering to be equipped with safety personnel from a construction unit to a sub-packaging unit, and require to carry out three-level safety education on construction operators.
And current building site construction safety warning device mostly carries out fixed connection through external bolt and concrete ground, but in the in-service use process, when the concrete is not laid comprehensively to building site ground, meet the pit that is excavating, then can't fix current safety warning device through external bolt, in case safety warning device takes place to empty, then can't effectual warning effect of playing, pedestrian's security has been reduced, for this we propose a building site construction safety and maintain warning and warning device in order to solve above-mentioned problem.
Disclosure of Invention
In order to overcome the defects of the prior art, the invention provides the construction site construction safety maintenance reminding and warning device, which avoids the condition that pedestrians mistakenly enter the engineering site, improves the safety of the pedestrians passing through the engineering ground, and because the integrated equipment main body and the data cable are designed in a multi-section mode, the integrated equipment main body and the data cable can surround the engineering grounds in different shapes, thereby increasing the application range of the device.
In order to solve the technical problems, the invention provides the following technical scheme: the utility model provides a warning and warning device are maintained to building site construction safety, includes the integrated equipment main part, the connection interface has all been seted up to the integrated equipment main part left and right sides, connection interface one end is provided with the data cable, the data cable both ends are all overlapped and are equipped with the thread connection cover, the equidistant multiunit infrared sensor that is provided with of data cable outer wall, integrated equipment main part top fixed mounting has audio speaker, the highlight warning light is installed on the audio speaker top, the connection interface upper end all is provided with limit structure.
As a preferred technical scheme of the invention, two groups of positioning rods are welded on the outer wall of the bottom end of the integrated equipment main body, and the bottom ends of the two groups of positioning rods are designed in a conical shape.
As a preferred technical scheme of the invention, the outer wall of the data cable is sleeved with a reflective sleeve, and the surface of the reflective sleeve is provided with a reflective strip.
As a preferable technical scheme of the invention, a plurality of groups of anti-skidding grooves are formed on the surface of the threaded connecting sleeve at equal intervals.
As a preferred technical scheme of the present invention, the limiting structure includes a fixing seat, a movable bin, movable sliders, a return spring, a limiting rod, a limiting groove and a handle, the fixing seat is disposed at the upper end of the connection interface, the fixing seats are all fixed on the outer wall of the main body of the integrated device, the movable bins are all disposed in the fixing seats, the movable bins are all sleeved with the movable sliders, the outer walls of the top ends of the two groups of movable sliders are elastically connected with the inner wall of the fixing seat through the return spring, the outer walls of the bottom ends of the two groups of movable sliders are all fixed with the limiting rod, the outer walls of the limiting rod are equidistantly disposed with the limiting groove, the bottom ends of the limiting rods are all embedded in the limiting groove, and the handle is fixed at the end of the two groups of movable sliders opposite to each other.
As a preferable technical scheme of the invention, the size of the limiting rod is the same as that of the limiting groove, and the width of the movable sliding block is the same as that of the inner wall of the movable bin.
As a preferred technical scheme of the invention, the handles are all designed in a spherical shape.
Compared with the prior art, the invention can achieve the following beneficial effects:
1. through the mutual matching of the integrated equipment main body, the connecting interface, the data cable, the thread connecting sleeve, the infrared sensor, the audio speaker, the highlight warning lamp, the locating rod and the reflecting sleeve, when the safety warning is needed to be carried out on the pit under construction, a plurality of groups of integrated equipment main bodies are firstly fixed on the ground through the locating rod, the data cable is laid on the ground, two ends of the data cable are fixed on the connecting interface of the integrated equipment main body through the thread connecting sleeve, so that the data cable is communicated with the internal power supply of the integrated equipment main body, when a pedestrian approaches the data cable, the infrared sensor on the data cable detects the object to be approached, and transmits a signal into the integrated equipment main body, so that the audio speaker on the integrated equipment main body emits high-frequency warning sound and the highlight warning lamp emits highlight warning, and the pedestrian can be rapidly and remarkably warned, the problem that pedestrians mistakenly enter the engineering site is avoided, safety of the pedestrians passing through the engineering ground is improved, and the integrated equipment main body and the data cable are designed in a multi-section mode, so that the integrated equipment main body and the data cable can surround the engineering grounds in different shapes, and the application range of the device is enlarged;
2. through the mutual matching of the fixed seat, the movable bin, the movable sliding block, the reset spring, the limiting rod, the limiting groove and the handle, when the data cable is required to be installed on the integrated equipment main body through the threaded connecting sleeve, the handle is pulled upwards, the movable sliding block is enabled to slide upwards along the movable bin under the action of the action force transmitted by the handle, the reset spring is extruded and contracted by the movable sliding block to store force, when the limiting rod is completely stored in the movable bin, the threaded connecting sleeve is moved to the connecting interface at the moment, the data cable is firstly inserted into the connecting interface, then the threaded connecting sleeve is rotated to enable the threaded connecting sleeve to be fixed with the surface of the connecting interface under the action of the thread, after the threaded connecting sleeve is fixed, the pulling force on the handle is relieved, the reset spring releases the elastic force to push the movable sliding block to move downwards along the movable bin, and the limiting rod is enabled to be embedded into the limiting groove on the threaded connecting sleeve under the action of the movable sliding block, make the gag lever post form to turn to limiting displacement to the thread connection cover, avoided when carrying after data cable is connected with the integrated equipment main part, probably can make the thread connection cover produce not hard up and lead to the contact failure of data cable and integrated equipment main part, guaranteed the stable connection when the use of device.
Drawings
FIG. 1 is a first perspective view of the present invention;
FIG. 2 is a second perspective view of the present invention;
FIG. 3 is a schematic front sectional view of the present invention;
FIG. 4 is a schematic side sectional view of the present invention;
fig. 5 is an enlarged view of a in fig. 4 according to the present invention.
Wherein: 1. an integrated device main body; 2. connecting an interface; 3. a data cable; 4. a threaded connecting sleeve; 5. an infrared sensor; 6. an audio speaker; 7. a strong light warning light; 8. positioning a rod; 9. a reflective sleeve; 10. a fixed seat; 11. a movable bin; 12. a movable slide block; 13. a return spring; 14. a limiting rod; 15. a limiting groove; 16. a handle.
Detailed Description
The present invention will be further described with reference to specific embodiments for the purpose of facilitating an understanding of technical means, characteristics of creation, objectives and functions realized by the present invention, but the following embodiments are only preferred embodiments of the present invention, and are not intended to be exhaustive. Based on the embodiments in the implementation, other embodiments obtained by those skilled in the art without any creative efforts belong to the protection scope of the present invention. The experimental methods in the following examples are conventional methods unless otherwise specified, and materials, reagents and the like used in the following examples are commercially available unless otherwise specified.
Example (b):
as shown in fig. 1-5, a construction site construction safety maintenance reminding and warning device comprises an integrated device main body 1, connection interfaces 2 are arranged on the left side and the right side of the integrated device main body 1, a data cable 3 is arranged at one end of each connection interface 2, threaded connection sleeves 4 are sleeved at two ends of each data cable 3, a plurality of groups of infrared sensors 5 are arranged on the outer wall of each data cable 3 at equal intervals, an audio speaker 6 is fixedly arranged at the top end of the integrated device main body 1, a highlight warning lamp 7 is arranged at the top end of each audio speaker 6, and a limiting structure is arranged at the upper end of each connection interface 2;
the specific implementation mode is as follows:
when the safety warning is needed to be carried out on a pit under construction, a plurality of groups of integrated equipment main bodies 1 are fixed on the ground through positioning rods 8, data cables 3 are laid on the ground, two ends of the data cables 3 are fixed on connecting interfaces 2 of the integrated equipment main bodies 1 through threaded connecting sleeves 4, the data cables 3 are communicated with an internal power supply of the integrated equipment main bodies 1, when pedestrians approach the data cables 3, infrared sensors 5 on the data cables 3 detect that objects approach, signals are transmitted into the integrated equipment main bodies 1, audio speakers 6 on the integrated equipment main bodies 1 send high-frequency warning sounds and highlight warning lamps 7 send highlight warnings, the pedestrians can be rapidly and obviously subjected to the safety warning, the pedestrians are prevented from entering the engineering site by mistake, the safety of the pedestrians passing through the engineering ground is improved, and the integrated equipment main bodies 1 and the data cables 3 are designed in a multi-section mode, the integrated equipment main body 1 and the data cable 3 can surround engineering grounds with different shapes, and the application range of the device is enlarged.
In other embodiments, two sets of positioning rods 8 are welded on the outer wall of the bottom end of the integrated device main body 1, and the bottom ends of the two sets of positioning rods 8 are designed in a conical shape;
through this design, when needs are fixed integrated equipment main part 1, make two sets of locating levers 8 can insert earth fast in, the quick installation of integrated equipment main part 1 of being convenient for.
In other embodiments, a reflective sleeve 9 is sleeved on the outer wall of the data cable 3, and reflective strips are arranged on the surface of the reflective sleeve 9;
through this design, when the vehicle traveles and is close to the construction site, the reflection of light strip on the reflection of light cover 9 can be under the effect of vehicle light with light reflection to driver's eye to effectively reached and reminded driver's effect, avoided the driver accident to drive into the construction site.
In other embodiments, a plurality of groups of anti-skid grooves are formed on the surface of the threaded connecting sleeve 4 at equal intervals;
through this design, when data cable 3 need be installed through thread connection cover 4, increased the frictional force of thread connection cover 4 and palm, be convenient for use the rotation of thread connection cover 4.
In other embodiments, the limiting structure includes a fixing seat 10, a movable bin 11, a movable slider 12, a return spring 13, a limiting rod 14, a limiting groove 15 and a handle 16, which are matched with each other, the fixing seat 10 is disposed at the upper end of the connecting interface 2, the fixing seats 10 are all fixed on the outer wall of the integrated device main body 1, the movable bins 11 are disposed in the fixing seats 10, the movable sliders 12 are all sleeved in the movable bins 11, the outer walls of the top ends of the two movable sliders 12 are elastically connected with the inner wall of the fixing seat 10 through the return spring 13, the limiting rods 14 are fixed on the outer walls of the bottom ends of the two movable sliders 12, the limiting grooves 15 are disposed on the outer walls of the limiting rods 14 at equal intervals, the bottom ends of the limiting rods 14 are all embedded in;
when the data cable 3 is required to be installed on the integrated equipment main body 1 through the thread connecting sleeve 4, the handle 16 is pulled upwards, the movable sliding block 12 slides upwards along the movable bin 11 under the action of the action force transmitted by the handle 16, the return spring 13 is extruded and contracted by the movable sliding block 12 to store the force, when the limiting rod 14 is completely retracted into the movable bin 11, the thread connecting sleeve 4 is moved to the connecting interface 2, the data cable 3 is firstly inserted into the connecting interface 2, then the thread connecting sleeve 4 is rotated to enable the thread connecting sleeve 4 to be fixed with the surface of the connecting interface 2 under the action of the thread, after the thread connecting sleeve 4 is fixed, the pulling force on the handle 16 is released, the return spring 13 releases the elastic force to push the movable sliding block 12 to move downwards along the movable bin 11, the limiting rod 14 is embedded into the limiting groove 15 on the thread connecting sleeve 4 under the action of the movable sliding block 12, and the limiting rod 14 forms a steering limiting effect on the thread connecting sleeve 4, the problem that when the data cable 3 is connected with the integrated equipment main body 1 and then is carried, the threaded connecting sleeve 4 is likely to loose, so that the data cable 3 is not in good contact with the integrated equipment main body 1 is solved, and stable connection of the device in use is ensured.
In other embodiments, the size of the limiting rod 14 is the same as that of the limiting groove 15, and the width of the movable sliding block 12 is the same as that of the inner wall of the movable bin 11;
through the design, when the limiting rod 14 is inserted into the limiting groove 15 on the threaded connecting sleeve 4, the limiting rod 14 is ensured to be capable of rotating and limiting the threaded connecting sleeve 4, the limiting rod 14 and the movable sliding block 12 are prevented from shaking in use, and the stability of the device is improved.
In other embodiments, the grips 16 are all spherical in design;
with this design, when the grip 16 is pulled, the contact area between the grip 16 and the palm is increased, which facilitates the grip of the grip 16.
In the present invention, unless otherwise expressly stated or limited, "above" or "below" a first feature means that the first and second features are in direct contact, or that the first and second features are not in direct contact but are in contact with each other via another feature therebetween. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.
The foregoing shows and describes the general principles, essential features, and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, and the preferred embodiments of the present invention are described in the above embodiments and the description, and are not intended to limit the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (7)
1. The utility model provides a building site construction safety is maintained and is reminded and warning device, includes integrated equipment main part (1), its characterized in that: connection interface (2) have all been seted up to the integrated equipment main part (1) left and right sides, connection interface (2) one end is provided with data cable (3), data cable (3) both ends are all overlapped and are equipped with threaded connection cover (4), data cable (3) outer wall is equidistant to be provided with multiunit infrared sensor (5), integrated equipment main part (1) top fixed mounting has audio speaker (6), highlight warning light (7) are installed on audio speaker (6) top, connection interface (2) upper end all is provided with limit structure.
2. The construction site construction safety maintenance reminding and warning device as claimed in claim 1, wherein: the integrated equipment is characterized in that two groups of positioning rods (8) are welded on the outer wall of the bottom end of the integrated equipment main body (1), and the bottom ends of the two groups of positioning rods (8) are designed in a conical shape.
3. The construction site construction safety maintenance reminding and warning device as claimed in claim 1, wherein: the outer wall of the data cable (3) is sleeved with a reflective sleeve (9), and a reflective strip is arranged on the surface of the reflective sleeve (9).
4. The construction site construction safety maintenance reminding and warning device as claimed in claim 1, wherein: and a plurality of groups of anti-skidding grooves are formed in the surface of the threaded connecting sleeve (4) at equal intervals.
5. The construction site construction safety maintenance reminding and warning device as claimed in claim 1, wherein: the limiting structure comprises a fixing seat (10), movable bins (11), movable sliding blocks (12), reset springs (13), limiting rods (14), limiting grooves (15) and a handle (16), wherein the fixing seat (10) is arranged at the upper end of a connecting interface (2), the fixing seat (10) is fixed on the outer wall of an integrated equipment main body (1), the movable bins (11) are arranged in the fixing seat (10), the movable sliding blocks (12) are sleeved in the movable bins (11), the outer walls of the top ends of the two groups of movable sliding blocks (12) are in elastic connection with the inner wall of the fixing seat (10) through the reset springs (13), the limiting rods (14) are fixed on the outer walls of the bottom ends of the two groups of movable sliding blocks (12), the limiting grooves (15) are arranged on the outer wall of the limiting rods (14) at equal intervals, the limiting rods (14) are embedded into the limiting grooves (15), handles (16) are fixed at the opposite ends of the two groups of movable sliding blocks (12).
6. The construction site construction safety maintenance reminding and warning device as claimed in claim 5, wherein: the size of the limiting rod (14) is the same as that of the limiting groove (15), and the width of the movable sliding block (12) is the same as that of the inner wall of the movable bin (11).
7. The construction site construction safety maintenance reminding and warning device as claimed in claim 5, wherein: the grips (16) are all designed in a spherical shape.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110465362.8A CN113192276A (en) | 2021-04-28 | 2021-04-28 | Construction site construction safety maintenance reminds and warning device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110465362.8A CN113192276A (en) | 2021-04-28 | 2021-04-28 | Construction site construction safety maintenance reminds and warning device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113192276A true CN113192276A (en) | 2021-07-30 |
Family
ID=76979691
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110465362.8A Pending CN113192276A (en) | 2021-04-28 | 2021-04-28 | Construction site construction safety maintenance reminds and warning device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113192276A (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN207442076U (en) * | 2017-12-11 | 2018-06-01 | 成都雅威科技有限公司 | A kind of anti-loosening electric power connector |
| CN210507199U (en) * | 2019-07-31 | 2020-05-12 | 湖南宇玥建设有限公司 | Safety warning device is used in construction in room |
| CN210691172U (en) * | 2019-12-31 | 2020-06-05 | 曾丽兰 | Connecting device for computer display screen and host |
| CN211405412U (en) * | 2020-03-23 | 2020-09-01 | 国网山东省电力公司东营供电公司 | Support frame suitable for electric power capital construction job site interim cable supports |
| CN212206371U (en) * | 2020-07-09 | 2020-12-22 | 广州新利堡消防工程企业有限公司 | Flame detection device based on infrared technology |
-
2021
- 2021-04-28 CN CN202110465362.8A patent/CN113192276A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN207442076U (en) * | 2017-12-11 | 2018-06-01 | 成都雅威科技有限公司 | A kind of anti-loosening electric power connector |
| CN210507199U (en) * | 2019-07-31 | 2020-05-12 | 湖南宇玥建设有限公司 | Safety warning device is used in construction in room |
| CN210691172U (en) * | 2019-12-31 | 2020-06-05 | 曾丽兰 | Connecting device for computer display screen and host |
| CN211405412U (en) * | 2020-03-23 | 2020-09-01 | 国网山东省电力公司东营供电公司 | Support frame suitable for electric power capital construction job site interim cable supports |
| CN212206371U (en) * | 2020-07-09 | 2020-12-22 | 广州新利堡消防工程企业有限公司 | Flame detection device based on infrared technology |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103208166A (en) | Early warning protection method for danger and intelligent early warning protector for dangerous events for road workers | |
| DE102015111978A1 (en) | Electric bicycle | |
| CN204791342U (en) | Active safe awl bucket | |
| CN113192276A (en) | Construction site construction safety maintenance reminds and warning device | |
| CN204753423U (en) | Portable multifunctional road traffic wireless network initiative warning device | |
| CN205417359U (en) | Full -automatic tripod of barrier is arranged to car | |
| CN203890908U (en) | Multifunctional portable traffic warning control device | |
| CN103617692A (en) | Battery pack locking alarming device of quick-changing-type electric automobile | |
| CN205294751U (en) | Intelligent early warning system and high altitude construction car of high altitude construction car | |
| CN202152449U (en) | Folding type movable guardrail | |
| KR101712424B1 (en) | Emergency vehicle safety device using selfie stick | |
| CN205223893U (en) | Town road construction warning device | |
| CN210946606U (en) | Telescopic hard shoulder | |
| CN203644174U (en) | A battery pack locking alarm device for a quick-change type electric automobile and the quick-change type electric automobile | |
| CN210402728U (en) | Intelligent traffic light | |
| CN105625249B (en) | Dismountable type road steel scrap cleaning plant | |
| CN207993242U (en) | A kind of solar energy path vehicle detection LED flashing lights and phonetic warning system | |
| CN210621534U (en) | Pre-buried formula warning pole | |
| CN203882451U (en) | T-shaped intersection vehicle in and out prompting device | |
| CN111572385A (en) | New energy automobile is warning trigger mechanism for charging device | |
| CN216551674U (en) | Reflection of light awl with remind function | |
| DE102015111977A1 (en) | Electric bicycle | |
| CN209666927U (en) | A kind of drawer type unmanned plane storage device | |
| CN216947983U (en) | Lifting device for prompting pedestrians to safely cross road | |
| CN216012188U (en) | Slope monitoring and early warning device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20210730 |
|
| RJ01 | Rejection of invention patent application after publication |