CN111161655A - Multifunctional safety warning box - Google Patents
Multifunctional safety warning box Download PDFInfo
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- CN111161655A CN111161655A CN202010015124.2A CN202010015124A CN111161655A CN 111161655 A CN111161655 A CN 111161655A CN 202010015124 A CN202010015124 A CN 202010015124A CN 111161655 A CN111161655 A CN 111161655A
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- box body
- warning
- box
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- chip microcomputer
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09F—DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
- G09F27/00—Combined visual and audible advertising or displaying, e.g. for public address
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- 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
- G08B21/02—Alarms for ensuring the safety of persons
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09F—DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
- G09F27/00—Combined visual and audible advertising or displaying, e.g. for public address
- G09F2027/002—Advertising message recorded in a memory device
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Business, Economics & Management (AREA)
- Emergency Management (AREA)
- Engineering & Computer Science (AREA)
- Theoretical Computer Science (AREA)
- Emergency Alarm Devices (AREA)
Abstract
The invention discloses a multifunctional safety warning box which comprises a rectangular box body, wherein an LED display screen, a sensor and a loudspeaker are arranged on a front panel of the box body, and an electric control system is arranged in the box body. The invention adopts two warning modes of image-text warning sent by the LED display screen and voice warning sent by the loudspeaker, so that on-site personnel can be more directly and effectively warned, and safety accidents are avoided. The warning content can be selected and replaced according to the operation field. Meanwhile, the detection distance of the invention can be adjusted according to the actual situation on site. The invention can adopt a plurality of flexible mounting modes of bracket mounting, binding and suspension mounting according to the operation field.
Description
Technical Field
The invention relates to the field of electric power safety protection devices, in particular to a multifunctional safety warning box.
Background
The transformer substation is an important component of a power transmission system and is related to normal power utilization of various industries and thousands of households, so that the built transformer substation needs to be periodically overhauled, maintained and maintained, and the built transformer substation needs to be subjected to power equipment installation, debugging, testing and other work. When the electric facility in the transformer substation needs to be overhauled and other operations, the nameplate and the fence are hung in the dangerous range of the overhaul region, so that the operating personnel can visually recognize the overhaul range, the operating personnel and other irrelevant personnel are prevented from approaching and mistakenly touching the live equipment, and the operation safety is guaranteed.
The conventional signboard that currently adopts is plastics or iron plate preparation, and there are warning sign and characters on the surface, and it has following shortcoming:
1. the warning effect is not strong.
The existing nameplate only plays a role in warning workers through a single fixed visual signal of characters and symbols, the workers can easily ignore the existence of the nameplate in the operation process, and the attention of the workers is more difficult to be attracted under the conditions of night or insufficient illumination.
2. The universality is poor.
The warning characters on the existing signboard are fixed contents, the use scene is single, different forms of signboards are needed to be used according to different scenes during use, the use is inconvenient, and waste of resources is caused.
3. The placing mode is single.
The existing nameplate is generally used in a hanging mode, and the condition that the nameplate cannot be hung frequently occurs in the actual application process.
Another commonly used safety measure is the provision of an isolation barrier. Commonly used barrier enclosures are: the barrier is enclosed in single netted isolation, the isolation of taking the stand encloses the barrier and the sucking disc formula isolation encloses the barrier. The three isolation barriers can not strictly isolate the electrified part of the power equipment, and sometimes the barriers can not be arranged in place due to the complex field condition of the transformer substation. And these keep apart and enclose fender generally bigger, and the space that occupies is also big, not only carries and operates inconveniently, the reliability is poor, moreover in the arrangement process waste time and energy still take place the deformation easily to cause the isolation to enclose the fender and can't play good and effectual protection and warning effect. Meanwhile, if a person accidentally enters the isolation enclosure limited area due to various reasons, the person cannot be effectively warned, and serious accidents such as personal electric shock and the like easily occur.
Disclosure of Invention
The invention aims to provide a multifunctional safety warning box, which is used for solving the problem that operating personnel cannot obtain effective safety warning when a transformer substation is overhauled.
In order to solve the problems, the technical scheme adopted by the invention is as follows:
the utility model provides a many functional safety warning box, its box body that includes the rectangle, be equipped with LED display screen, sensor and speaker on the box body, the inside electrical system that is equipped with of box body, LED display screen, sensor, speaker and electrical system are the electricity and are connected.
Furthermore, the electric control system comprises a single chip microcomputer arranged inside the box body, and a power supply, a display chip and a voice chip which are electrically connected with the single chip microcomputer, wherein the display chip is electrically connected with the LED display screen, the voice chip is electrically connected with the loudspeaker, and the sensor is electrically connected with the single chip microcomputer.
Further, the sensor is a passive infrared heat sensor.
Further, the singlechip stores at least one of voice and image-text warning information.
Further, the side of the box body is provided with a USB interface for communication between an electric control system and an external computer, a knob A for controlling on-off of a power supply and selecting warning information and a knob B for adjusting sensitivity of the sensor, the USB interface is electrically connected with the single chip microcomputer, the knob A is electrically connected with the single chip microcomputer, and the knob B is electrically connected with the single chip microcomputer.
Further, the warning box is a support mounting type warning box, and the box body is connected with the tripod through a connector arranged at the bottom of the box body.
Furthermore, the connector comprises a nut arranged in the box body, and the nut is fixed in the middle of the bottom plate of the box body; the top of the tripod is provided with a screw rod, the screw rod is in threaded fit with the nut, and the screw rod is provided with a lock nut for locking the box body.
Furthermore, the warning box is a suspension type warning box, and the back of the box body is provided with a hanging hole for hanging.
Furthermore, a magnet is arranged on the back of the box body.
Furthermore, the warning box is a binding type warning box, pull rings are arranged on two sides of the box body, and flexible belts are arranged on the pull rings.
The invention has the positive effects that:
the invention adopts two warning modes of image-text warning sent by the LED display screen and voice warning sent by the loudspeaker, so that the field operators can obtain visual and auditory double warnings, the warning effect is more direct and effective, and the safety accidents are avoided. The warning content of the invention can be various, the computer can increase, decrease and modify the warning content of the invention through the USB interface, and the warning content can be selected and changed according to the actual situation on the operation site, so that the warning content sent by the invention is consistent with the operation site, and the operator can be warned accurately and directly. Meanwhile, the detection distance of the invention can be adjusted according to the actual situation on site, so that the warning range is more accurate and reasonable. The invention can adopt a plurality of flexible mounting modes of bracket mounting, binding and suspension mounting according to the operation field.
Drawings
FIG. 1 is a schematic structural view of embodiment 1 of the present invention;
FIG. 2 is a schematic structural view of the back surface in embodiment 1 of the present invention;
FIG. 3 is a schematic structural view of embodiment 2 of the present invention;
fig. 4 is a schematic structural view of a connector in embodiment 2 of the invention;
FIG. 5 is a schematic structural view of embodiment 3 of the present invention;
FIG. 6 is an electrical schematic of the present invention;
in the figure, 1, a box body; 2. an LED display screen; 3. a knob A; 4. a USB interface; 5. a speaker; 6. a sensor; 7. a tripod; 8. a connector; 801. a nut; 802. a screw; 803. locking a nut; 9. a magnet; 10. hanging holes; 11. a pull ring; 12. a belt; 13. and a knob B.
Detailed Description
The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only a part of the embodiments of the present application, and not all of the embodiments. The following description of at least one exemplary embodiment is merely illustrative in nature and is in no way intended to limit the application, its application, or uses. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.
It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of example embodiments according to the present application. As used herein, the singular forms "a", "an" and "the" are intended to include the plural forms as well, and it should be understood that when the terms "comprises" and/or "comprising" are used in this specification, they specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof, unless the context clearly indicates otherwise.
The relative arrangement of the components and steps, the numerical expressions, and numerical values set forth in these embodiments do not limit the scope of the present application unless specifically stated otherwise. Meanwhile, it should be understood that the sizes of the respective portions shown in the drawings are not drawn in an actual proportional relationship for the convenience of description. Techniques, methods, and apparatus known to those of ordinary skill in the relevant art may not be discussed in detail but are intended to be part of the specification where appropriate. In all examples shown and discussed herein, any particular value should be construed as merely illustrative, and not limiting. Thus, other examples of the exemplary embodiments may have different values. It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, further discussion thereof is not required in subsequent figures.
In the description of the present application, it is to be understood that the orientation or positional relationship indicated by the directional terms such as "front, rear, upper, lower, left, right", "lateral, vertical, horizontal" and "top, bottom", etc., are generally based on the orientation or positional relationship shown in the drawings, and are used for convenience of description and simplicity of description only, and in the case of not making a reverse description, these directional terms do not indicate and imply that the device or element being referred to must have a particular orientation or be constructed and operated in a particular orientation, and therefore, should not be considered as limiting the scope of the present application; the terms "inner and outer" refer to the inner and outer relative to the profile of the respective component itself.
Spatially relative terms, such as "above … …," "above … …," "above … …," "above," and the like, may be used herein for ease of description to describe one device or feature's spatial relationship to another device or feature as illustrated in the figures. It will be understood that the spatially relative terms are intended to encompass different orientations of the device in use or operation in addition to the orientation depicted in the figures. For example, if a device in the figures is turned over, devices described as "above" or "on" other devices or configurations would then be oriented "below" or "under" the other devices or configurations. Thus, the exemplary term "above … …" can include both an orientation of "above … …" and "below … …". The device may be otherwise variously oriented (rotated 90 degrees or at other orientations) and the spatially relative descriptors used herein interpreted accordingly.
It should be noted that the terms "first", "second", and the like are used to define the components, and are only used for convenience of distinguishing the corresponding components, and the terms have no special meanings unless otherwise stated, and therefore, the scope of protection of the present application is not to be construed as being limited.
The technical solution and structure of the present invention will be described in further detail with reference to the accompanying drawings.
Example 1
As shown in fig. 1, 2 and 6, the multifunctional safety warning box is a suspension type warning box, and comprises a rectangular box body 1, wherein the box body 1 is composed of six rectangular steel plates or plastic plates. The upper portion of the front panel of the box body 1 is provided with an LED display screen 2, the lower portion of the front panel is provided with a sensor 6 and a loudspeaker 5, and the side face of the front panel is provided with a knob nail 3 and a USB interface. An electric control system is arranged in the box body 1 and comprises a power supply, a single chip microcomputer, a voice chip and a display chip. The loudspeaker 5 is electrically connected with the voice chip, and the display chip is electrically connected with the LED display screen 2. The side of the box body 1 is provided with a knob A3 and a USB interface electrically connected with an electric control system. The sensor 6 is a passive infrared heat sensor, and the sensitivity of the sensor can be adjusted through a knob B13. After the sensor 6 senses the infrared ray emitted by the human body, a signal is immediately sent to the single chip microcomputer, and the sensitivity of the sensor 6 can be adjusted through the adjusting knob B13, so that the detection distance of the sensor 6 is adjusted. The knob A3 and the single chip microcomputer, and the knob B13 and the single chip microcomputer are electrically connected. When the single chip receives the signal sent by the sensor 6, the voice chip is controlled to send out alarm voice through the loudspeaker, and meanwhile, the display chip is controlled to send out image-text alarm indication through the LED display screen, so that the operating personnel can be effectively warned.
The single chip microcomputer can store various voices and corresponding image-text alarm information, and different alarm information can be selected according to actual conditions when the single chip microcomputer is used on site. The single chip microcomputer can be connected with a computer through a USB interface, and the computer increases, decreases or modifies the alarm information stored in the memory of the single chip microcomputer. The invention can select different voice and image-text warning information through the knob A3 according to different overhaul sites, so that the sent alarm signal is more targeted. The knob A3 is provided with indication marks such as 'off', 'A', 'B' and 'C' and is used for controlling the on-off of a power supply and selecting warning information. If the high-voltage equipment is nearby, the knob A3 is rotated to point to the corresponding indication mark, so that the LED display screen 2 displays image-text warning of 'high-voltage danger and no approach', and is accompanied with corresponding voice warning; when the work site is easy to fall from high place, the knob A3 is rotated to point to the corresponding indication mark, so that the LED display screen 2 displays the picture and text warning of 'worrying about falling objects and paying attention to safety', and the corresponding voice warning is accompanied.
Two hanging holes 10 for hanging the box body 1 are symmetrically formed in the upper portion of the back face of the box body 1, and magnets 9 are arranged at four angular positions of the back face of the box body 1 respectively. The invention can be absorbed on ferromagnetic components such as steel frames and the like on a working site through the magnet 9, and the invention can be hung on iron nails on walls or other vertical surfaces through the hanging holes 10.
The actual using method and steps of the embodiment are as follows:
firstly, the warning information required to be used is transmitted into the electric control system by a computer through the USB interface 4.
And secondly, adsorbing a multifunctional safety warning box on a ferromagnetic component of a working site through a magnet 9, and hanging the multifunctional safety warning box on a wall or other vertical surfaces through a hanging hole 10.
Thirdly, rotating the knob A3 and selecting an indication mark corresponding to proper alarm information; and rotating the knob B13, selecting a proper alarm distance and carrying out verification on the spot.
Example 2
As shown in fig. 3, 4 and 6, the multifunctional safety warning box is a suspension type warning box, and comprises a rectangular box body 1, wherein the box body 1 is composed of six rectangular steel plates or plastic plates. The upper portion of the front panel of the box body 1 is provided with an LED display screen 2, the lower portion of the front panel is provided with a sensor 6 and a loudspeaker 5, and the side face of the front panel is provided with a knob nail 3 and a USB interface. An electric control system is arranged in the box body 1 and comprises a power supply, a single chip microcomputer, a voice chip and a display chip. The loudspeaker 5 is electrically connected with the voice chip, and the display chip is electrically connected with the LED display screen 2. The side of the box body 1 is provided with a knob A3 and a USB interface electrically connected with an electric control system. The sensor 6 is a passive infrared heat sensor, and the sensitivity of the sensor can be adjusted through a knob B13. After the sensor 6 senses the infrared ray emitted by the human body, a signal is immediately sent to the single chip microcomputer, and the sensitivity of the sensor 6 can be adjusted through the adjusting knob B13, so that the detection distance of the sensor 6 is adjusted. The knob A3 and the single chip microcomputer, and the knob B13 and the single chip microcomputer are electrically connected. When the single chip receives the signal sent by the sensor 6, the voice chip is controlled to send out alarm voice through the loudspeaker, and meanwhile, the display chip is controlled to send out image-text alarm indication through the LED display screen, so that the operating personnel can be effectively warned.
The single chip microcomputer can store various voices and corresponding image-text alarm information, and different alarm information can be selected according to actual conditions when the single chip microcomputer is used on site. The single chip microcomputer can be connected with a computer through a USB interface, and the computer increases, decreases or modifies the alarm information stored in the memory of the single chip microcomputer. The invention can select different voice and image-text warning information through the knob A3 according to different overhaul sites, so that the sent alarm signal is more targeted. The knob A3 is provided with indication marks such as 'off', 'A', 'B' and 'C' and is used for controlling the on-off of a power supply and selecting warning information. If the high-voltage equipment is nearby, the knob A3 is rotated to point to the corresponding indication mark, so that the LED display screen 2 displays image-text warning of 'high-voltage danger and no approach', and is accompanied with corresponding voice warning; when the work site is easy to fall from high place, the knob A3 is rotated to point to the corresponding indication mark, so that the LED display screen 2 displays the picture and text warning of 'worrying about falling objects and paying attention to safety', and the corresponding voice warning is accompanied.
The bottom of the box body 1 is connected with a tripod 7 through a connector 8, and the connector 8 comprises a nut 801 fixed at the middle part of the bottom plate of the box body 1, a screw 802 arranged at the top of the tripod 7 and a locking nut 803 arranged on the screw 802. The nut 801 is in threaded connection with the screw 802, and the locking nut 803 is used for locking the box body 1, so that the tripod 7 and the box body 1 can be conveniently and reliably connected, and the connection and the disconnection are very convenient. The height of the tripod 7 is adjustable, and three supporting legs can be opened and tightened quickly, so that the tripod can be arranged on the ground on an operation site conveniently.
The actual using method and steps of the embodiment are as follows:
firstly, the warning information required to be used is transmitted into the electric control system by a computer through the USB interface 4.
In the second step, three support legs of the tripod 7 are opened and supported in the warning area, and then the box body 1 is installed on the tripod 7 and locked by the locking nut 803.
Thirdly, rotating the knob A3 and selecting an indication mark corresponding to proper alarm information; and rotating the knob B13, selecting a proper alarm distance and carrying out verification on the spot.
Example 3
As shown in fig. 5 and 6, the multifunctional safety warning box is a suspension type warning box, and comprises a rectangular box body 1, wherein the box body 1 is composed of six rectangular steel plates or plastic plates. The upper portion of the front panel of the box body 1 is provided with an LED display screen 2, the lower portion of the front panel is provided with a sensor 6 and a loudspeaker 5, and the side face of the front panel is provided with a knob nail 3 and a USB interface. An electric control system is arranged in the box body 1 and comprises a power supply, a single chip microcomputer, a voice chip and a display chip. The loudspeaker 5 is electrically connected with the voice chip, and the display chip is electrically connected with the LED display screen 2. The side of the box body 1 is provided with a knob A3 and a USB interface electrically connected with an electric control system. The sensor 6 is a passive infrared heat sensor, and the sensitivity of the sensor can be adjusted through a knob B13. After the sensor 6 senses the infrared ray emitted by the human body, a signal is immediately sent to the single chip microcomputer, and the sensitivity of the sensor 6 can be adjusted through the adjusting knob B13, so that the detection distance of the sensor 6 is adjusted. The knob A3 and the single chip microcomputer, and the knob B13 and the single chip microcomputer are electrically connected. When the single chip receives the signal sent by the sensor 6, the voice chip is controlled to send out alarm voice through the loudspeaker, and meanwhile, the display chip is controlled to send out image-text alarm indication through the LED display screen, so that the operating personnel can be effectively warned.
The single chip microcomputer can store various voices and corresponding image-text alarm information, and different alarm information can be selected according to actual conditions when the single chip microcomputer is used on site. The single chip microcomputer can be connected with a computer through a USB interface, and the computer increases, decreases or modifies the alarm information stored in the memory of the single chip microcomputer. The invention can select different voice and image-text warning information through the knob A3 according to different overhaul sites, so that the sent alarm signal is more targeted. The knob A3 is provided with indication marks such as 'off', 'A', 'B' and 'C' and is used for controlling the on-off of a power supply and selecting warning information. If the high-voltage equipment is nearby, the knob A3 is rotated to point to the corresponding indication mark, so that the LED display screen 2 displays image-text warning of 'high-voltage danger and no approach', and is accompanied with corresponding voice warning; when the work site is easy to fall from high place, the knob A3 is rotated to point to the corresponding indication mark, so that the LED display screen 2 displays the picture and text warning of 'worrying about falling objects and paying attention to safety', and the corresponding voice warning is accompanied.
Two sides of the box body 1 are respectively provided with a door-shaped pull ring 11, the pull ring 11 on the left side is provided with a flexible strap 12, the pull ring 11 on the right side is also provided with a flexible strap 12, the strap 12 is connected with the strap 12 on the pull ring 11 on the left side through a lock catch, and the strap 12 is made of nylon materials. The invention can be reliably bound on a line pole or other upright posts through two belts 12, and can also be hung on a support beam or other cross bars.
The actual using method and steps of the embodiment are as follows:
firstly, the warning information required to be used is transmitted into the electric control system by a computer through the USB interface 4.
In the second step, the binding band 12 of the present invention is securely tied to a wire pole or other vertical post, or hung from a support beam or other cross-bar.
Thirdly, rotating the knob A3 and selecting an indication mark corresponding to proper alarm information; and rotating the knob B13, selecting a proper alarm distance and carrying out verification on the spot.
Finally, it should be noted that the above embodiments are only used for illustrating the technical solutions of the present invention, and not for limiting the same; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; it is obvious as a person skilled in the art to combine several aspects of the invention. And such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions of the embodiments of the present invention.
Claims (10)
1. The utility model provides a multi-functional safety warning box, its characterized in that, its box body (1) that includes the rectangle, be equipped with LED display screen (2), sensor (6) and speaker (5) on box body (1), the inside electrical system that is equipped with of box body (1), LED display screen (2), sensor (6), speaker (5) are the electricity with electrical system and are connected.
2. The multifunctional safety warning box according to claim 1, wherein the electronic control system comprises a single chip microcomputer installed inside the box body (1), and a power supply, a display chip and a voice chip which are electrically connected with the single chip microcomputer, wherein the display chip is electrically connected with the LED display screen (2), the voice chip is electrically connected with the loudspeaker (5), and the sensor (6) is electrically connected with the single chip microcomputer.
3. A multifunctional security alarm case according to claim 2, characterized in that the sensor (6) is a passive infrared heat sensor.
4. The multifunctional safety warning box according to claim 2, wherein the single chip microcomputer stores at least one of voice and graphic warning information.
5. The multifunctional safety warning box according to claim 2, characterized in that a USB interface (4) for communication between an electric control system and an external computer, a knob A (3) for controlling power on-off and selecting warning information, and a knob B (13) for adjusting sensitivity of the sensor (6) are arranged on the side surface of the box body (1), the USB interface (4) is electrically connected with the single chip microcomputer, the knob A (3) is electrically connected with the single chip microcomputer, and the knob B (13) is electrically connected with the single chip microcomputer.
6. A multifunctional safety warning box according to any one of claims 1 to 5, characterized in that, the warning box is a bracket-mounted warning box, and the box body (1) is connected with a tripod (7) through a connector (8) arranged at the bottom of the box body.
7. A multifunctional safety warning box according to claim 6, characterized in that the connector (8) comprises a nut (801) arranged inside the box body (1), the nut (801) is fixed in the middle of the bottom plate of the box body (1); the top of the tripod (7) is provided with a screw (802), the screw (802) is in threaded fit with the nut (801), and the screw (802) is provided with a lock nut (803) for locking the box body (1).
8. A multifunctional safety warning box according to any one of claims 1 to 5, characterized in that the warning box is a hanging warning box, and the back of the box body (1) is provided with a hanging hole (10) for hanging.
9. The multifunctional safety warning box according to claim 8, characterized in that a magnet (9) is arranged on the back of the box body (1).
10. The multifunctional safety warning box according to any one of claims 1 to 5, characterized in that the warning box is a binding type warning box, pull rings (11) are arranged on two sides of the box body (1), and flexible belts (12) are arranged on the pull rings (11).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010015124.2A CN111161655A (en) | 2020-01-07 | 2020-01-07 | Multifunctional safety warning box |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010015124.2A CN111161655A (en) | 2020-01-07 | 2020-01-07 | Multifunctional safety warning box |
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| Publication Number | Publication Date |
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| CN111161655A true CN111161655A (en) | 2020-05-15 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010015124.2A Pending CN111161655A (en) | 2020-01-07 | 2020-01-07 | Multifunctional safety warning box |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN113362547A (en) * | 2021-04-26 | 2021-09-07 | 国网江苏省电力有限公司常州供电分公司 | Safety reminding method for substation equipment in working |
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| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20200515 |
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| RJ01 | Rejection of invention patent application after publication |