CN115013742A - Can monitor dustproof linear light source in lamp pearl and fan life-span - Google Patents
Can monitor dustproof linear light source in lamp pearl and fan life-span Download PDFInfo
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- CN115013742A CN115013742A CN202210696205.2A CN202210696205A CN115013742A CN 115013742 A CN115013742 A CN 115013742A CN 202210696205 A CN202210696205 A CN 202210696205A CN 115013742 A CN115013742 A CN 115013742A
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21K—NON-ELECTRIC LIGHT SOURCES USING LUMINESCENCE; LIGHT SOURCES USING ELECTROCHEMILUMINESCENCE; LIGHT SOURCES USING CHARGES OF COMBUSTIBLE MATERIAL; LIGHT SOURCES USING SEMICONDUCTOR DEVICES AS LIGHT-GENERATING ELEMENTS; LIGHT SOURCES NOT OTHERWISE PROVIDED FOR
- F21K9/00—Light sources using semiconductor devices as light-generating elements, e.g. using light-emitting diodes [LED] or lasers
- F21K9/20—Light sources comprising attachment means
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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
- F21V23/003—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
- F21V23/003—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
- F21V23/004—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 arranged on a substrate, e.g. a printed circuit board
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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
- F21V29/00—Protecting lighting devices from thermal damage; Cooling or heating arrangements specially adapted for lighting devices or systems
- F21V29/50—Cooling arrangements
- F21V29/60—Cooling arrangements characterised by the use of a forced flow of gas, e.g. air
- F21V29/67—Cooling arrangements characterised by the use of a forced flow of gas, e.g. air characterised by the arrangement of fans
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- 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]
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B20/00—Energy efficient lighting technologies, e.g. halogen lamps or gas discharge lamps
- Y02B20/30—Semiconductor lamps, e.g. solid state lamps [SSL] light emitting diodes [LED] or organic LED [OLED]
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Arrangement Of Elements, Cooling, Sealing, Or The Like Of Lighting Devices (AREA)
Abstract
The invention discloses a dustproof linear light source capable of monitoring the service life of a lamp bead and a fan, which relates to the field of linear array light sources and comprises a shell, an LED circuit board arranged in a first accommodating groove, a cooling fan, a monitoring function control circuit board arranged on the outer wall of the shell and connected with the LED circuit board and the cooling fan, and an optical diaphragm arranged at an opening of the first accommodating groove and positioned in the light emitting direction of the LED circuit board; the shell is provided with a second accommodating groove, the opening directions of the first accommodating groove and the second accommodating groove are opposite, the cooling fan is arranged in the second accommodating groove, the monitoring function control circuit board comprises a time module detection module in electrical signal connection with the LED circuit board and a level signal detection module in electrical signal connection with the cooling fan, the service life of the cooling fan can be prolonged, the working condition of the cooling fan is monitored, the temperature of the LED circuit board is monitored, the working time of the LED circuit board is counted, and the service life of a light source is prolonged.
Description
Technical Field
The invention relates to the technical field of linear array light sources, in particular to a dustproof linear light source capable of monitoring the service life of a lamp bead and a fan.
Background
The conventional linear light source has high brightness and high power, the heat quantity of the LED is high, the heat dissipation and cooling are carried out by the cooling fan to prolong the service life of the LED lamp bead, and otherwise, the LED lamp bead of the linear light source is burnt out due to overhigh temperature. The burning-out of the LED lamp bead of the linear light source can directly influence the visual imaging and lighting, and finally, the visual detection misjudgment is caused. When the linear light source is used in an environment with metal dust, the frequency of replacing the fan is extremely high because the metal dust in the environment easily causes a short circuit of a circuit board of the fan to damage the fan.
In addition, if the linear light source is used in an environment with metal dust or other dust, the metal dust in the environment easily causes short circuit of a circuit board of the fan to damage the fan, the heat radiation fan is not damaged in the use process and is not replaced in time, the linear light source does not have the heat radiation fan to cool, the service life of the LED lamp bead can be directly influenced, the lighting effect of the linear light source can be influenced once the LED lamp bead is damaged, and finally, the visual detection misjudgment is caused. In addition, once the LED lamp beads of the core components of the linear light source are burnt out, the maintenance cost is extremely high, and even the maintenance value is lost, so that the great cost loss is caused.
Disclosure of Invention
The invention aims to overcome the defects in the prior art, and provides a dustproof linear light source capable of monitoring the service life of a lamp bead and a fan, which can prolong the service life of a radiating fan, monitor the working condition of the radiating fan, monitor the temperature of an LED circuit board, count the working time of the LED circuit board and prolong the service life of the light source.
In order to achieve the purpose, the invention provides a dustproof linear light source capable of monitoring the service life of a lamp bead and a fan, which comprises a shell, an LED circuit board arranged in a first accommodating groove, a cooling fan, a monitoring function control circuit board arranged on the outer wall of the shell and connected with the LED circuit board and the cooling fan, and an optical diaphragm arranged at the opening of the first accommodating groove and positioned in the light-emitting direction of the LED circuit board, wherein the shell is provided with the first accommodating groove; the technical scheme includes that the shell is provided with a second accommodating groove, the opening directions of the first accommodating groove and the second accommodating groove are opposite to each other to form an H shape, the cooling fan is arranged in the second accommodating groove, the monitoring function control circuit board comprises a time module detection module in electrical signal connection with the LED circuit board and a level signal detection module in electrical signal connection with the cooling fan, and the time detection module can be used for counting the service time, so that the situations of light attenuation, reduced polishing effect, poor visual detection effect and the like caused by long-time use are avoided; the working condition of the cooling fan can be monitored through the level signal detection module, and the situation that the light source is burnt out due to poor heat dissipation of the light source after the cooling fan works abnormally in a severe environment is avoided.
In the technical scheme, the monitoring function control circuit board further comprises a temperature detection module electrically connected with the LED circuit board, and the temperature detection module can further monitor the working temperature of the LED circuit board and avoid burning out of the LED circuit board.
In the technical scheme, the number of the monitoring function control circuit boards is matched with that of the cooling fans and the LED circuit boards, and each cooling fan/LED circuit board is matched with one monitoring function control circuit board.
Among the above-mentioned technical scheme, be provided with a plurality of in the second holding tank and be used for radiating bellying, the area of contact of increase shell and air improves the radiating efficiency.
Among the above-mentioned technical scheme, be provided with the third holding tank on the outer wall of shell, monitor function control circuit board installs in the third holding tank, the installation of monitor function control circuit board of being convenient for.
Among the above-mentioned technical scheme, still including installing the curb plate that is used for airtight third holding tank on the outer wall of shell, install the silica gel strip between shell and curb plate, improve the seal of third holding tank, and then improve monitor function control circuit board's life.
Among the above-mentioned technical scheme, still including installing in first holding tank and being located the spotlight stick of LED circuit board light-emitting direction, improve this technical scheme's light brightness.
Among the above-mentioned technical scheme, still include the transparent plate and be provided with the apron of light-emitting window, be provided with the bearing part on the inner wall of first holding tank opening part, the optics diaphragm sets up on the bearing part, the transparent plate sets up the top at the optics diaphragm, the apron is installed at first holding tank opening part and is fixed transparent plate and optics diaphragm on the bearing part, is convenient for install the optics diaphragm, and the opening of airtight first holding tank of still being convenient for avoids in abominable service environment, and dust, the dust of air and then inside the light source lead to the condition of light source luminance decay or burning out.
Among the above-mentioned technical scheme, still including setting up the end plate at the shell both ends, be provided with high temperature resistant silica gel pad between shell and the end plate.
In the technical scheme, the cooling fan is an IP 44-grade waterproof fan, so that the service life of the cooling fan is prolonged.
Compared with the prior art, the invention has the beneficial effects that:
1. the time module detection module counts the operating time of the LED circuit board and stores the operating time according to the received signal of the LED circuit board electrification, and when the LED circuit board is used next time, new operating time is added on the basis of the stored using time, so that the using time of the technical scheme can be visually seen, the influence on brightness caused by light attenuation of the lamp beads due to the perennial use of the light source is avoided, and the light source can be conveniently and timely replaced by an operator.
2. The level signal detection module judges whether the cooling fan works normally, works abnormally or stops working by detecting the level signal of the cooling fan, if the level signal detection module detects abnormal level signals or level signals disappear, signals of abnormal operation or stop operation of the heat dissipation fan are transmitted to an external controller through a signal line for processing, the controller can suspend the light-emitting operation of the light source, in addition, the operator can visually see the working state of the cooling fan through the controller, the cooling fan can be replaced in time, the level signal detection module can monitor the running condition of each cooling fan, the condition that the core circuit board components and the LED lamp beads of the linear light source are burnt out due to the fact that the cooling fan stops working in severe dust or other environments can be avoided, extremely high maintenance cost loss is caused, and even the maintenance value is lost.
3. Be provided with first holding tank and second holding tank on this technical scheme's the shell, wherein the opening orientation of first holding tank and second holding tank is opposite, make the shell form "H" shape, still be provided with the third holding tank on the outer wall of shell, install the LED circuit board in the first holding tank, the built-in cooling fan of establishing of second holding tank, the built-in monitoring function control circuit board of establishing of third holding tank, thus, can make the shell structure compacter, it is more convenient to install, can also improve the radiating effect of shell, improve the life of LED circuit board, and the shell can also extrusion, the production efficiency of shell is improved.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
FIG. 1 is a schematic structural diagram of a dustproof linear light source capable of monitoring the service life of a lamp bead and a fan provided by the invention;
FIG. 2 is a schematic structural diagram of a dustproof linear light source capable of monitoring the service life of a lamp bead and a fan provided by the invention at another angle;
FIG. 3 is an exploded view of a dustproof linear light source capable of monitoring the life of a lamp bead and a fan according to the present invention;
FIG. 4 is an enlarged view of a portion of FIG. 3 at A;
FIG. 5 is a cross-sectional view of a dustproof linear light source capable of monitoring the service life of a lamp bead and a fan provided by the invention;
fig. 6 is a schematic structural diagram of a housing provided by the present invention.
The reference numbers of the figures are: 1. a housing; 11. a first accommodating groove; 111. a bearing part; 12. a second accommodating groove; 121. a boss portion; 13. a third accommodating groove; 14. a side plate; 15. an end plate; 16. a cover plate; 2. an LED circuit board; 3. a heat radiation fan; 4. a monitoring function control circuit board; 5. an optical film; 6. a light-gathering rod; 7. a high temperature resistant silica gel pad; 8. a transparent plate; 9. a silica gel strip; 10. and (4) an annular silica gel strip.
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. 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 invention.
It should be noted that all directional indicators (such as upper, lower, left, right, front and rear … …) in the embodiment of the present invention are only used to explain the relative position relationship between the components, the movement situation, etc. in a specific posture (as shown in the drawing), and if the specific posture is changed, the directional indicator is changed accordingly.
In the present invention, unless otherwise explicitly stated or limited, the terms "connected", "fixed", and the like are to be understood broadly, for example, "fixed" may be fixedly connected, may be detachably connected, or may be integrated; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
In addition, if there is a description of "first", "second", etc. in an embodiment of the present invention, the description of "first", "second", etc. is for descriptive purposes only and is not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In addition, the meaning of "and/or" appearing throughout includes three juxtapositions, exemplified by "A and/or B" including either A or B or both A and B. In addition, technical solutions between various embodiments may be combined with each other, but must be realized by a person skilled in the art, and when the technical solutions are contradictory or cannot be realized, such a combination should not be considered to exist, and is not within the protection scope of the present invention.
As shown in fig. 1-6, the present embodiment provides a dustproof linear light source capable of monitoring the service life of a lamp bead and a fan, which includes a housing 1, an LED circuit board 2, a heat dissipation fan 3, a monitoring function control circuit board 4, an optical film 5, and a light gathering rod 6. The heat dissipation fan 3 of the present embodiment is preferably an IP 44-grade waterproof fan, so that the service life of the heat dissipation fan 3 can be effectively prolonged when the light source of the present embodiment is used in an environment with metal dust, and the problem of replacing the heat dissipation fan 3 at a high frequency can be solved.
Referring to fig. 5 and 6, the housing 1 is provided with a second receiving groove 12, wherein the openings of the first receiving groove 11 and the second receiving groove 12 are opposite in direction to form an "H" shape, so that the LED circuit board 2 is disposed in the first receiving groove 11, and then the heat dissipation fan 3 is disposed in the second receiving groove 12, so that the heat dissipation fan 3 can dissipate heat from the housing 1, i.e., the LED circuit board 2 in the first receiving groove 11, and the heat dissipation fan 3 and the LED circuit board 2 are convenient to mount and fix. Preferably, a plurality of protrusions 121 for dissipating heat are disposed in the second receiving groove 12. Like this, can improve the area of contact of second holding tank 12 with the air, conduct the back on shell 1 through first holding tank 11 with the heat at LED circuit board 2, bellying 121 in the second holding tank 12 can be with dispelling the heat fast, and then improves the life of this embodiment. Because radiator fan 3 sets up in second holding tank 12, shell 1 both can protect radiator fan 3, still has certain dustproof protection to radiator fan 3, and then makes this embodiment light source can use in different environment.
The outer wall of the outer shell 1 is provided with a third accommodating groove 13, and the monitoring function control circuit board 4 is arranged in the third accommodating groove 13. The monitoring function control circuit board 4 comprises a time module detection module and a temperature detection module which are in electrical signal connection with the LED circuit board 2, and a level signal detection module which is in electrical signal connection with the cooling fan 3. Preferably, the number of monitoring function control boards 4 is adapted to the number of cooling fans 3 and LED boards 2, i.e. each cooling fan 3/LED board 2 is individually associated with a monitoring function control board 4.
Specifically, when the linear light source is turned on, the time module detection module receives a signal of the power-on of the LED circuit board 2, at this time, the working time of the LED circuit board 2 starts to be counted, when the light source is turned off, the counting of the working time of the LED circuit board 2 is finished, then the time module detection module stores the working time of the LED circuit board 2, and when the linear light source is used next time, the new working time is added to the service life of the current light source. Therefore, the time for using the linear array light source can be visually seen, the influence on brightness caused by light attenuation of the lamp beads due to perennial use of the light source is avoided, and the problem of misjudgment of visual detection by timely replacing the light source can be conveniently solved. In addition, the temperature detection module can monitor the temperature change of the LED circuit board 2 in the working process in real time, when the temperature of the LED circuit board 2 is too high, the temperature detection module can give an alarm to remind a user, at the moment, the linear array light source can be stopped to be used, and the linear array light source is cooled. The temperature detection module can prolong the service life of the LED circuit board 2, and also can avoid overhigh temperature caused by overlong working time of the LED circuit board 2, so that core circuit board components of the linear light source and LED lamp beads are burnt out, thereby causing high maintenance cost loss and even losing the maintenance value. In addition, the current and temperature data of each LED circuit board 2 are collected by monitoring one LED circuit board 2 through one monitoring function control circuit board 4, and the collected data of each string of lamp beads are transmitted to an external controller in a 485 bus mode, so that the controller can monitor and process the linear light source data, the controller can effectively monitor the current change of the LED circuit board 2 of the linear light source, control the working condition of the LED circuit board 2, and avoid the condition that the linear light source is inconvenient to operate due to remote use.
Level signal detection module can monitor every radiator fan 3's operational aspect simultaneously, when radiator fan 3 abnormal conditions appears, through signal line with level change signal transmission to level signal detection module, the level signal that level signal detection module detected changes or level signal disappears, thereby judge this radiator fan 3 work abnormality or stop work, then handle signal transmission to the controller through the 485 bus, operating personnel can be through the operating condition of controller 3 of directly perceived seeing radiator fan, can avoid leading to the light source temperature to rise problem because of radiator fan 3 stop work, thereby the life of extension light source.
Preferably, the housing 1 of the present embodiment is an extruded member. The extrusion forming process can facilitate the processing of the first receiving groove 11, the second receiving groove 12, the third receiving groove 13 on the outer shell 1 and the processing of the protrusion 121 in the second receiving groove 12, and can also make the outer shell 1 an integrally formed component, so that the outer shell 1 has high processing efficiency, light weight and thin quality, and can be commercially produced in mass production. This embodiment is still including setting up the end plate 15 at outer shell 1 both ends, and end plate 15 is used for the both ends of airtight first holding tank 11, second holding tank 12 and third holding tank 13, and wherein, is provided with high temperature resistant silica gel pad 7 between outer shell 1 and the end plate 15. High temperature resistant silica gel pad 7 can improve the airtight effect in the first holding tank 11, avoids dust or moisture etc. in the air to get into first holding tank 11, influences the light brightness and the life etc. of this embodiment light source. In addition, the present embodiment preferably further includes a side plate 14 mounted on the outer wall of the casing 1 for sealing the third accommodation groove 13, and a silicone rubber strip 9 mounted between the casing 1 and the side plate 14. Like this, curb plate 14 can airtight third holding tank 13, and the leakproofness can be improved to silica gel strip 9 to can improve monitoring function control circuit board 4's life, can also use this embodiment light source in different environment scenes.
The above embodiments are preferred embodiments of the present invention, but the present invention is not limited to the above embodiments, and any other changes, modifications, substitutions, combinations, and simplifications which do not depart from the spirit and principle of the present invention should be construed as equivalents thereof, and all such changes, modifications, substitutions, combinations, and simplifications are intended to be included in the scope of the present invention.
Claims (10)
1. A dustproof linear light source capable of monitoring the service life of a lamp bead and a fan comprises a shell (1), wherein a first accommodating groove (11) is formed in the shell (1), and the dustproof linear light source is characterized by further comprising an LED circuit board (2) arranged in the first accommodating groove (11), a cooling fan (3), a monitoring function control circuit board (4) which is arranged on the outer wall of the shell (1) and is connected with the LED circuit board (2) and the cooling fan (3), and an optical diaphragm (5) which is arranged at an opening of the first accommodating groove (11) and is positioned in the light-emitting direction of the LED circuit board (2);
be provided with second holding tank (12) on shell (1), the opening orientation of first holding tank (11) and second holding tank (12) is opposite to form "H" type, radiator fan (3) are installed in second holding tank (12), monitor function control circuit board (4) include with LED circuit board (2) signal connection's time module detect the module to and with radiator fan (3) signal connection's level signal detection module.
2. The dustproof linear light source capable of monitoring the service life of the lamp bead and the fan as claimed in claim 1, wherein the monitoring function control circuit board (4) further comprises a temperature detection module electrically connected with the LED circuit board (2).
3. The dustproof linear light source capable of monitoring the service life of the lamp beads and the fan according to any one of claims 1 to 2, wherein the number of the monitoring function control circuit boards (4) is adapted to the number of the heat dissipation fans (3) and the number of the LED circuit boards (2), and each heat dissipation fan (3)/each LED circuit board (2) is matched with one monitoring function control circuit board (4).
4. The dustproof linear light source capable of monitoring the service life of the lamp bead and the fan as claimed in claim 1, wherein a plurality of protrusions (121) for heat dissipation are arranged in the second accommodating groove (12).
5. The dustproof linear light source capable of monitoring the service life of the lamp bead and the fan as claimed in claim 1, wherein a third accommodating groove (13) is arranged on the outer wall of the housing (1), and the monitoring function control circuit board (4) is arranged in the third accommodating groove (13).
6. The dustproof linear light source capable of monitoring the service life of the lamp bead and the fan as claimed in claim 1, further comprising a side plate (14) installed on the outer wall of the housing (1) and used for sealing the third accommodating groove (13), and a silica gel strip (9) installed between the housing (1) and the side plate (14).
7. The dustproof linear light source capable of monitoring the service life of the lamp bead and the fan as claimed in claim 1, further comprising a light-gathering rod (6) installed in the first accommodating groove (11) and located in the light-emitting direction of the LED circuit board (2).
8. The dustproof linear light source capable of monitoring the service life of the lamp bead and the fan according to claim 1, further comprising a transparent plate (8) and a cover plate (16) provided with a light outlet, wherein a bearing part (111) is arranged on the inner wall of the opening of the first accommodating groove (11), the optical diaphragm (5) is arranged on the bearing part (111), the transparent plate (8) is arranged at the top of the optical diaphragm (5), and the cover plate (16) is arranged at the opening of the first accommodating groove (11) and fixes the transparent plate (8) and the optical diaphragm (5) on the bearing part (111).
9. The dustproof linear light source capable of monitoring the service life of a lamp bead and a fan according to claim 1, further comprising end plates (15) arranged at two ends of the shell (1), wherein a high temperature resistant silica gel pad (7) is arranged between the shell (1) and the end plates (15).
10. The dustproof linear light source capable of monitoring the service life of the lamp beads and the fan as claimed in claim 1, wherein the heat dissipation fan (3) is a waterproof fan of IP44 grade.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210696205.2A CN115013742B (en) | 2022-06-20 | 2022-06-20 | Dustproof linear light source capable of monitoring service lives of lamp beads and fans |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210696205.2A CN115013742B (en) | 2022-06-20 | 2022-06-20 | Dustproof linear light source capable of monitoring service lives of lamp beads and fans |
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|---|---|
| CN115013742A true CN115013742A (en) | 2022-09-06 |
| CN115013742B CN115013742B (en) | 2023-06-20 |
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| CN202210696205.2A Active CN115013742B (en) | 2022-06-20 | 2022-06-20 | Dustproof linear light source capable of monitoring service lives of lamp beads and fans |
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| CN111998238A (en) * | 2020-08-26 | 2020-11-27 | 广东奥普特科技股份有限公司 | Linear light source capable of automatically correcting brightness and correction method |
| TWM618275U (en) * | 2021-06-22 | 2021-10-11 | 顥天光電股份有限公司 | Complex linear light system for automated optical inspection |
| CN215446100U (en) * | 2021-08-23 | 2022-01-07 | 东莞乐视自动化科技有限公司 | Double-angle oblique light source |
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| CN115013742B (en) | 2023-06-20 |
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