CN111678085A - Fire emergency light of easily safe fleing in pit - Google Patents
Fire emergency light of easily safe fleing in pit Download PDFInfo
- Publication number
- CN111678085A CN111678085A CN202010536048.XA CN202010536048A CN111678085A CN 111678085 A CN111678085 A CN 111678085A CN 202010536048 A CN202010536048 A CN 202010536048A CN 111678085 A CN111678085 A CN 111678085A
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- cylinder
- hole
- cylindrical groove
- pipe
- fire
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Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
- F21S9/00—Lighting devices with a built-in power supply; Systems employing lighting devices with a built-in power supply
- F21S9/02—Lighting devices with a built-in power supply; Systems employing lighting devices with a built-in power supply the power supply being a battery or accumulator
- F21S9/022—Emergency lighting devices
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D47/00—Separating dispersed particles from gases, air or vapours by liquid as separating agent
- B01D47/02—Separating dispersed particles from gases, air or vapours by liquid as separating agent by passing the gas or air or vapour over or through a liquid bath
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
- F21V23/00—Arrangement of electric circuit elements in or on lighting devices
- F21V23/003—Arrangement of electric circuit elements in or on lighting devices the elements being electronics drivers or controllers for operating the light source, e.g. for a LED array
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
- F21V23/00—Arrangement of electric circuit elements in or on lighting devices
- F21V23/02—Arrangement of electric circuit elements in or on lighting devices the elements being transformers, impedances or power supply units, e.g. a transformer with a rectifier
- F21V23/023—Power supplies in a casing
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
- F21V29/00—Protecting lighting devices from thermal damage; Cooling or heating arrangements specially adapted for lighting devices or systems
- F21V29/50—Cooling arrangements
- F21V29/56—Cooling arrangements using liquid coolants
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
- F21V33/00—Structural combinations of lighting devices with other articles, not otherwise provided for
- F21V33/0064—Health, life-saving or fire-fighting equipment
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21W—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO USES OR APPLICATIONS OF LIGHTING DEVICES OR SYSTEMS
- F21W2131/00—Use or application of lighting devices or systems not provided for in codes F21W2102/00-F21W2121/00
- F21W2131/40—Lighting for industrial, commercial, recreational or military use
- F21W2131/402—Lighting for industrial, commercial, recreational or military use for working places
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21Y—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO THE FORM OR THE KIND OF THE LIGHT SOURCES OR OF THE COLOUR OF THE LIGHT EMITTED
- F21Y2115/00—Light-generating elements of semiconductor light sources
- F21Y2115/10—Light-emitting diodes [LED]
Abstract
The invention discloses a fire-fighting emergency lamp easy for underground safe escape, which comprises a shell, wherein an LED lamp body is installed at the upper end of the shell, a cylindrical groove is formed in the side wall of the shell, a cylinder is coaxially and rotatably connected in the cylindrical groove, water is filled in the cylinder, the circumferential outer wall of the cylinder is tightly attached to the circumferential inner wall of the cylindrical groove, the lower end of the cylinder is fixedly connected to the inner bottom of the cylindrical groove through a memory metal strip, a first through hole and a second through hole are formed in the inner wall of the cylinder, and the first through hole and the second through hole are symmetrically arranged along the center of the cylinder. According to the invention, through the circulating operation of the driving device, when a fire disaster occurs, the air containing smoke near the shell can be continuously pumped into the cylinder, and is discharged after being filtered by water in the cylinder, so that the smoke in the air is removed, the smoke concentration near the lamp body is greatly reduced, the light emitted by the fire-fighting emergency lamp can be identified by the escape personnel, and the escape can be successfully carried out according to the correct escape route.
Description
Technical Field
The invention relates to the technical field of underground fire fighting equipment of coal mines, in particular to a fire-fighting emergency lamp easy for underground safe escape.
Background
The fire-fighting emergency lamp is common fire-fighting safety equipment in daily life of people, and can improve illumination and guide safe escape routes for people when dangerous conditions such as fire occur.
The underground fire-fighting emergency lamp is more dim than the ground in the underground, so that the fire-fighting emergency lamp plays an important role in a fire disaster. However, when a fire occurs, a large amount of smoke is also generated along with the flame, so that the smoke cage covers the lamp body to shield the light of the fire-fighting emergency lamp, the light is dim, and meanwhile, the light is interfered by the sight of the fire, so that the escape personnel cannot correctly judge the escape route and lose the optimal escape time. In view of this, this application document proposes a fire emergency light that is easy to safely flee in the pit.
Disclosure of Invention
The invention aims to solve the defects in the prior art and provides a fire-fighting emergency lamp easy for underground safe escape.
In order to achieve the purpose, the invention adopts the following technical scheme:
a fire-fighting emergency lamp easy for underground safe escape comprises a shell, an LED lamp body is arranged at the upper end of the shell, a cylindrical groove is arranged on the side wall of the shell, a cylinder is coaxially and rotatably connected in the cylindrical groove, water is filled in the cylinder, the circumferential outer wall of the cylinder is tightly attached to the circumferential inner wall of the cylindrical groove, the lower end of the cylinder is fixedly connected to the inner bottom of the cylindrical groove through a memory metal strip, the inner wall of the cylinder is provided with a first through hole and a second through hole, the first through hole and the second through hole are symmetrically arranged along the center of the cylinder, the side wall of the shell is provided with a one-way air inlet pipe communicated with the inside of the cylinder groove, the side wall of the shell is fixedly connected with an air outlet pipe communicated with the cylindrical groove, the inside of the cylinder is hermetically and slidably connected with a sliding plug, and a one-way through hole is formed in the sliding plug, and a driving device for driving the sliding plug to move up and down is installed in the cylinder.
Preferably, a one-way water inlet pipe communicated with the inside of the cylindrical groove is embedded in the cylindrical groove, a condenser pipe is embedded in the shell, the water inlet end of the condenser pipe is communicated with the one-way water inlet pipe, the water outlet end of the condenser pipe is communicated with the inside of the cylindrical groove, the water inlet end of the one-way water inlet pipe and the air inlet end of the one-way air inlet pipe are located at the same horizontal height as the first through hole, and the water outlet end of the condenser pipe and the air outlet end of the air outlet pipe are located at the same horizontal height as the second through hole.
Preferably, the driving device comprises a piezoelectric ceramic piece fixedly connected to the top of the cylindrical groove, the piezoelectric ceramic piece is coupled in a power supply circuit of the LED lamp body, and the piezoelectric ceramic piece is fixedly connected with the sliding plug through a short rod.
Preferably, a U-shaped pipe is embedded in the cylinder, two ends of the U-shaped pipe are located above the sliding plug, the air outlet end of the U-shaped pipe is communicated with the second through hole, and a part of side wall, located in the water body, of the U-shaped pipe is provided with a small through hole.
The invention has the following beneficial effects:
1. through the circulating operation of the driving device, when a fire disaster happens, air containing smoke nearby the shell can be continuously pumped into the cylinder, and is discharged after being filtered by water in the cylinder, so that the smoke in the air is removed, the smoke concentration nearby the lamp body is greatly reduced, the light emitted by the fire-fighting emergency lamp can be identified by the escape personnel, and the escape can be successfully carried out according to a correct escape route;
2. through the arrangement of the condenser pipe, the one-way water inlet pipe and other parts, water in the cylinder can be forced to flow in a one-way circulation manner in the condenser pipe during normal work of the fire-fighting emergency lamp at ordinary times, heat in the lamp body can be timely dissipated, the lamp body is prevented from being damaged by high temperature, and the fire-fighting emergency lamp can work normally when a fire disaster happens;
3. through setting up the U type pipe, can spray away the water in the drum through the outlet duct when the extraction contains smog air, can accelerate the speed that near smog concentration of lamp body reduces on the one hand, on the other hand can delay the intensity of a fire and rise and the burning lamp body, the action time of extension fire control emergency light to strive for the valuable time of fleing for the personnel of fleing.
Drawings
Fig. 1 is a schematic structural diagram according to a first embodiment of the present invention;
FIG. 2 is a schematic view of the internal structure of a fire disaster according to an embodiment of the present invention;
FIG. 3 is a schematic structural diagram of a second embodiment of the present invention;
fig. 4 is a schematic view of the internal structure of a second embodiment of the present invention in case of fire.
In the figure: the LED lamp comprises a shell 1, an LED lamp body 2, a cylindrical groove 3, a cylinder 4, a one-way water inlet pipe 5, a condenser pipe 51, a first through hole 6, a second through hole 7, a one-way air inlet pipe 8, an air outlet pipe 9, a sliding plug 10, a one-way through hole 101, a piezoelectric ceramic plate 11, a short rod 12, a memory metal strip 13, a U-shaped pipe 14 and a fine through hole 141.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.
The first embodiment is as follows:
referring to fig. 1-2, a fire emergency light easy for safe escape in a well includes a housing 1, an LED lamp body 2 is installed at the upper end of the housing 1, it should be noted that a power supply circuit, a storage battery and other devices are installed in the housing 1, and the installation manner or connection manner of each component in the housing 1 is the same as that of the existing fire emergency light, so detailed description is omitted.
It should be noted that the memory metal strip 13 is made of a high-temperature shape memory alloy, and is straight at room temperature, and forms a twisted shape after reaching the transformation temperature. By designing the length of the memory metal strip 13, the cylinder 4 can be forced to rotate 180 degrees after the memory metal strip 13 is deformed.
The inner wall of the cylinder 4 is provided with a first through hole 6 and a second through hole 7, the first through hole 6 and the second through hole 7 are symmetrically arranged along the center of the cylinder 4, and the specific positions of the first through hole 6 and the second through hole 7 can be manufactured by referring to fig. 1.
The lateral wall of the shell 1 is provided with a one-way air inlet pipe 8 communicated with the inside of the cylindrical groove 3, the lateral wall of the shell 1 is fixedly connected with an air outlet pipe 9 communicated with the cylindrical groove 3, the inside of the cylinder 4 is hermetically and slidably connected with a sliding plug 10, the sliding plug 10 is provided with a one-way through hole 101, and the cylinder 4 is internally provided with a driving device for driving the sliding plug 10 to move up and down.
The cylinder groove 3 is embedded with a one-way water inlet pipe 5 communicated with the inside of the cylinder groove, the shell 1 is embedded with a condenser pipe 51, the water inlet end of the condenser pipe 51 is communicated with the one-way water inlet pipe 5, the water outlet end of the condenser pipe 51 is communicated with the inside of the cylinder groove 3, the water inlet end of the one-way water inlet pipe 5 and the air inlet end of the one-way air inlet pipe 8 are positioned at the same level with the first through hole 6, and the water outlet end of the condenser pipe 51 and the air outlet end of the air outlet pipe 9 are positioned at the same level with the second through hole.
It should be noted that the one-way water inlet pipe 5 only allows water to flow from the cylindrical groove 3 to the one-way water inlet pipe 5, and the one-way air inlet pipe 8 only allows air to flow from the one-way air inlet pipe 8 to the cylindrical groove 3. During specific manufacturing, only the one-way valve is needed to be arranged in the water inlet pipe or the air inlet pipe.
The driving device comprises a piezoelectric ceramic piece 11 fixedly connected to the top in the cylindrical groove 3, the piezoelectric ceramic piece 11 is coupled in a power supply circuit of the LED lamp body 2, and the piezoelectric ceramic piece 11 is fixedly connected with the sliding plug 10 through a short rod 12. The installation method of the piezoelectric ceramic plate 11 and the connection method with the LED lamp body 2 are both mature technologies in the prior art, and therefore, the details are not described.
In addition, when the fire emergency light works daily, the LED lamp body 2 only emits weak light, the current supplied to the piezoelectric ceramic piece 11 is small, the vibration frequency of the piezoelectric ceramic piece is low, when a fire disaster occurs, the LED lamp body 2 emits strong light, the current supplied to the piezoelectric ceramic piece 11 is large, and the vibration frequency of the piezoelectric ceramic piece is high.
Under normal conditions, the downhole temperature is far from the metamorphic temperature of the memory metal strip 13. At this time, the memory metal strip 13 is in a straight strip shape, and the first through hole 6 and the second through hole 7 on the two sides of the cylinder 4 are respectively communicated with the one-way water inlet pipe 5 and the condenser pipe 51 (as shown in fig. 1).
Because the piezoelectric ceramic plate 11 is continuously electrified, vibration can be continuously generated, and the sliding plug 10 is forced to move up and down rapidly under the drive of the short rod 12. Under the flow-limiting action of the one-way water inlet pipe 5 and the one-way through hole 101, water in the cylinder 4 can be continuously extruded into the one-way water inlet pipe 5 and then is drawn back into the cylinder 4 through the condensation pipe 51, so that the water in the cylinder 4 can flow in a one-way circulating manner in the condensation pipe 51. Can distribute away the heat that 1 inside work circuit of casing produced fast, avoid the heat to pile up and produce high temperature and cause the injury to fire control emergency light, prolong fire control emergency light's life.
In the event of a fire, when the temperature has reached the transformation temperature of the memory metal strip 13, the memory metal strip 13 will twist into a twisted shape and force the cylinder 4 to rotate 180 degrees. At the moment, the first through hole 6 and the second through hole 7 on the two sides of the cylinder 4 are respectively communicated with the one-way air inlet pipe 8 and the air outlet pipe 9 (as shown in figure 2), meanwhile, the fire-fighting emergency lamp starts to work, the output power of the LED lamp body 2 is increased, and strong lighting light is emitted. Therefore, the vibration frequency of the piezoelectric ceramic piece 11 is accelerated, the sliding plug 10 is promoted to move up and down at a high speed, air containing smoke nearby the fire emergency lamp can be quickly pumped into the water body of the cylinder 4 under the flow limiting effect of the one-way air inlet pipe 8 and the one-way through hole 101, the smoke is removed through water filtration and then is discharged from the air outlet pipe 9, so that the smoke concentration nearby the fire emergency lamp can be quickly reduced, light emitted by the LED lamp body 2 can be identified by an escape person, and a correct escape route can be judged to safely escape.
Example two:
referring to fig. 3-4, different from the first embodiment, a U-shaped pipe 14 is embedded in the cylinder 4, two ends of the U-shaped pipe 14 are both located above the sliding plug 10, an air outlet end of the U-shaped pipe 14 is communicated with the second through hole 7, and a part of the side wall of the U-shaped pipe 14 located in the water body is provided with a fine through hole 141.
It should be noted that the diameter of the U-shaped tube 14 is larger than the diameter of the second through hole 7, so that it can be ensured that the U-shaped tube 14 can completely cover the second through hole 7, and air or water flow can only pass through the U-shaped tube 14.
In this embodiment, under normal conditions, the water flowing back from the condensation pipe 51 will be discharged along the U-shaped pipe 14 to the upper side of the sliding plug 10, and will fall back into the cylinder 4 through the one-way through hole 101, without affecting the daily work of the fire emergency light.
When a fire disaster happens, the one-way air inlet pipe 8 pumps air containing smoke into the cylinder 4, and the air is filtered by water to remove the smoke and then is discharged into the air outlet pipe 9 through the U-shaped pipe 14.
In the process, when no air flows in the U-shaped pipe 14, the aperture of the fine through holes 141 on the pipe wall of the U-shaped pipe 14 is extremely small, and under the action of the surface tension of water, the water in the cylinder 4 forms water films at the positions of the fine through holes 141, so that the water in the cylinder 4 cannot flow into the U-shaped pipe 14, and when air flows in the U-shaped pipe 14, the air flow in the U-shaped pipe 14 is fast, the pressure is low, the water flow outside the U-shaped pipe 14 is slow, and the pressure is high, so that the water films are broken under the action of the pressure difference, and the water can flow into the U-shaped pipe 14 from the fine through holes 141. And the water flowing in through the fine through holes 141 is in the form of liquid drops and can be discharged from the air outlet pipe 9 along with the air flow to form water mist.
The water mist discharged from the air outlet pipe 9 can rapidly cover the smoke near the fire-fighting emergency lamp, the smoke concentration near the fire-fighting emergency lamp is further reduced, the spread of fire can be greatly delayed by the sprayed water mist, the action time of the fire-fighting emergency lamp in a fire situation is prolonged, and therefore more precious time is won for escape of underground personnel.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.
Claims (4)
1. A fire-fighting emergency lamp easy for underground safe escape comprises a shell (1), wherein an LED lamp body (2) is installed at the upper end of the shell (1), and is characterized in that a cylindrical groove (3) is formed in the side wall of the shell (1), a cylinder (4) is coaxially and rotatably connected in the cylindrical groove (3), water is filled in the cylinder (4), the outer wall of the circumference of the cylinder (4) is tightly attached to the inner wall of the circumference of the cylindrical groove (3), the lower end of the cylinder (4) is fixedly connected to the inner bottom of the cylindrical groove (3) through a memory metal strip (13), a first through hole (6) and a second through hole (7) are formed in the inner wall of the cylinder (4), the first through hole (6) and the second through hole (7) are symmetrically arranged along the center of the cylinder (4), a one-way air inlet pipe (8) communicated with the inside of the cylindrical groove (3) is formed in the side wall of the shell (1), the air outlet pipe (9) communicated with the cylindrical groove (3) is fixedly connected to the side wall of the shell (1), the cylinder (4) is internally and hermetically and slidably connected with a sliding plug (10), the sliding plug (10) is provided with a one-way through hole (101), and the cylinder (4) is internally provided with a driving device for driving the sliding plug (10) to move up and down.
2. A fire emergency lamp easy for safe escape from a well according to claim 1, wherein a one-way water inlet pipe (5) communicated with the inside of the cylindrical groove (3) is embedded in the cylindrical groove, a condenser pipe (51) is embedded in the casing (1), the water inlet end of the condenser pipe (51) is communicated with the one-way water inlet pipe (5), the water outlet end of the condenser pipe (51) is communicated with the inside of the cylindrical groove (3), the water inlet end of the one-way water inlet pipe (5) and the air inlet end of the one-way air inlet pipe (8) are located at the same level as the first through hole (6), and the water outlet end of the condenser pipe (51) and the air outlet end of the air outlet pipe (9) are located at the same level as the second through hole (7).
3. A fire emergency lamp easy for safe escape from underground according to claim 1, wherein the driving device comprises a piezoelectric ceramic plate (11) fixedly connected to the inner top of the cylindrical groove (3), the piezoelectric ceramic plate (11) is coupled to the power supply circuit of the LED lamp body (2), and the piezoelectric ceramic plate (11) is fixedly connected to the sliding plug (10) through a short rod (12).
4. A fire emergency lamp easy for safe escape from a downhole as claimed in claim 1, wherein a U-shaped pipe (14) is embedded in the cylinder (4), two ends of the U-shaped pipe (14) are both located above the sliding plug (10), an air outlet end of the U-shaped pipe (14) is communicated with the second through hole (7), and a part of the side wall of the U-shaped pipe (14) located in the water body is provided with a fine through hole (141).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010536048.XA CN111678085A (en) | 2020-06-12 | 2020-06-12 | Fire emergency light of easily safe fleing in pit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010536048.XA CN111678085A (en) | 2020-06-12 | 2020-06-12 | Fire emergency light of easily safe fleing in pit |
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| Publication Number | Publication Date |
|---|---|
| CN111678085A true CN111678085A (en) | 2020-09-18 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010536048.XA Pending CN111678085A (en) | 2020-06-12 | 2020-06-12 | Fire emergency light of easily safe fleing in pit |
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| Country | Link |
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| CN (1) | CN111678085A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114278887A (en) * | 2021-11-19 | 2022-04-05 | 杨小辉 | Fire control conflagration warning light |
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| CN110081344A (en) * | 2019-04-16 | 2019-08-02 | 深圳市乐业科技有限公司 | A kind of LED illumination lamp of the good heat dissipation effect for fire-fighting emergent |
| CN210448148U (en) * | 2019-07-09 | 2020-05-05 | 上海太伟药业股份有限公司 | Lecithin preparation solvent condensation recovery unit |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107484823A (en) * | 2017-09-01 | 2017-12-19 | 石岩 | A kind of stirring-type drying device of cereal |
| CN207202189U (en) * | 2017-09-01 | 2018-04-10 | 张金宝 | It is a kind of that there is the fire hat for driving cigarette illumination functions |
| CN207750820U (en) * | 2017-11-27 | 2018-08-21 | 朱苗红 | High brightness fire-fighting emergency headlamp |
| CN109404778A (en) * | 2018-10-22 | 2019-03-01 | 陕西华邦科技发展有限公司 | One kind can spray water smoke type fire-fighting emergent lamp system |
| CN109812988A (en) * | 2019-03-08 | 2019-05-28 | 李梦珠 | A kind of anti-air drying solar energy heat collection pipe |
| CN110081344A (en) * | 2019-04-16 | 2019-08-02 | 深圳市乐业科技有限公司 | A kind of LED illumination lamp of the good heat dissipation effect for fire-fighting emergent |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114278887A (en) * | 2021-11-19 | 2022-04-05 | 杨小辉 | Fire control conflagration warning light |
| CN114278887B (en) * | 2021-11-19 | 2023-09-05 | 广东盛世名门科技有限公司 | Fire control fire hazard warning light |
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| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20200918 |
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| RJ01 | Rejection of invention patent application after publication |