CN221171875U - Industrial and mining lamp - Google Patents
Industrial and mining lamp Download PDFInfo
- Publication number
- CN221171875U CN221171875U CN202323121006.8U CN202323121006U CN221171875U CN 221171875 U CN221171875 U CN 221171875U CN 202323121006 U CN202323121006 U CN 202323121006U CN 221171875 U CN221171875 U CN 221171875U
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- lamp
- heat dissipation
- mining
- upper side
- lamp cover
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- 238000005065 mining Methods 0.000 title claims abstract description 33
- 230000017525 heat dissipation Effects 0.000 claims abstract description 74
- 230000000694 effects Effects 0.000 description 6
- 239000002184 metal Substances 0.000 description 5
- 230000005855 radiation Effects 0.000 description 5
- 239000000463 material Substances 0.000 description 4
- 239000000725 suspension Substances 0.000 description 4
- 230000008878 coupling Effects 0.000 description 3
- 238000010168 coupling process Methods 0.000 description 3
- 238000005859 coupling reaction Methods 0.000 description 3
- 238000009434 installation Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000001681 protective effect Effects 0.000 description 2
- 238000006467 substitution reaction Methods 0.000 description 2
- 241000258971 Brachiopoda Species 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000002159 abnormal effect Effects 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 239000004020 conductor Substances 0.000 description 1
- 230000002708 enhancing effect Effects 0.000 description 1
- 230000020169 heat generation Effects 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 239000013589 supplement Substances 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
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- Arrangement Of Elements, Cooling, Sealing, Or The Like Of Lighting Devices (AREA)
- Non-Portable Lighting Devices Or Systems Thereof (AREA)
Abstract
The utility model discloses an industrial and mining lamp which comprises a lamp body component, a heat dissipation component and a lamp cover component. The lamp body member includes a lamp panel and a lamp shade. The lamp plate is arranged at the upper end of the lamp shade. The lamp shade is narrow at the upper part and wide at the lower part and covers the lamp panel. The heat dissipation component is arranged on the upper side of the lamp body component and is connected with the upper side of the lamp panel. The lamp cover member is arranged on the upper side of the heat dissipation member and connected with the heat dissipation member. The heat dissipation member is exposed between the lamp body member and the lamp cover member. According to the industrial and mining lamp, the heat dissipation performance of the industrial and mining lamp is improved through the heat dissipation component exposed between the lamp body component and the lamp cover component.
Description
Technical Field
The utility model relates to the technical field of lighting fixtures, in particular to an industrial and mining lamp.
Background
At present, all existing industrial and mining lamps are provided with radiating holes on a lamp shell, so that heat of a lamp panel can be radiated. Some of the lamp housings are internally provided with fin radiating members, so that the heat exchange efficiency is improved, and serious heat generation of the lamp panels is avoided. However, in the industrial and mining lamp in the prior art, the heat dissipation components are arranged in the lamp body components, the heat dissipation effect is limited, and the industrial and mining lamp with the structure generally has the problems of difficult assembly and low assembly efficiency.
Disclosure of utility model
The present utility model is directed to an industrial and mining lamp that overcomes one or more of the problems of the prior art, and at least provides a useful choice or creation of conditions.
The technical scheme adopted for solving the technical problems is as follows:
an industrial and mining lamp, comprising: a lamp body member, a heat radiation member, and a lamp cover member;
The lamp body component comprises a lamp plate and a lamp shade, wherein the lamp plate is arranged at the upper end of the lamp shade, and the lamp shade is narrow at the upper part and wide at the lower part and covers the lamp plate; the heat dissipation component is arranged on the upper side of the lamp body component and is connected with the upper side of the lamp panel; the lamp cover member is arranged on the upper side of the heat dissipation member and is connected with the heat dissipation member;
the heat dissipation member is exposed between the lamp body member and the lamp cover member.
The industrial and mining lamp provided by the utility model has at least the following beneficial effects: the lamp panel and the lamp shade can illuminate a specific range. The lamp cover member can provide a protective and mounting connection basis. The heat dissipation component can transfer heat to accelerate the heat dissipation effect of the lamp panel. The heat dissipation component is exposed between the lamp body component and the lamp cover component, and the heat dissipation effect is better. According to the industrial and mining lamp, the heat dissipation performance of the industrial and mining lamp is improved through the heat dissipation component exposed between the lamp body component and the lamp cover component.
As a further improvement of the technical scheme, the heat dissipation component is in a disc shape, and a plurality of air inlets distributed along the circumferential direction are formed in the outer side face of the heat dissipation component. Through above-mentioned technical scheme, the inlet port can communicate external world and industrial and mining lamp's inner space, makes the radiating effect better through the air that flows.
As a further improvement of the above technical solution, the heat dissipation member includes a bottom plate and a plurality of heat dissipation fin units, the plurality of heat dissipation fin units form an annular disk-shaped heat dissipation block and are fixedly disposed on an upper side of the bottom plate, and the bottom plate is connected with the lamp body member.
As a further improvement of the technical scheme, the upper end of the lampshade is provided with a circular positioning groove, and the bottom plate is embedded in the positioning groove. Through the technical scheme, the positioning groove can support the bottom of the heat dissipation member, so that the heat dissipation member is more convenient to install; and the connection between the heat radiation component and the lampshade can be more gently transited, so that the integrated sense is enhanced.
As a further improvement of the technical scheme, the edge of the bottom plate is provided with first convection holes distributed along the circumferential direction, and the upper end of the lampshade is provided with second convection holes vertically aligned with the first convection holes. Through the technical scheme, the upper side and the lower side of the lampshade are communicated through the first convection holes and the second convection holes which are aligned, so that a convection effect is formed, and the heat dissipation performance is improved.
As a further improvement of the technical scheme, the lamp cover member comprises an upper lamp cover and a connecting bracket, wherein the upper lamp cover is covered on the upper side of the heat dissipation member, the upper side surface of the upper lamp cover is provided with a plurality of air outlets, and the connecting bracket is arranged between the upper lamp cover and the heat dissipation member and is respectively connected with the upper lamp cover and the heat dissipation member. Through the technical scheme, the upper lamp cover can be connected with the heat dissipation component through the connecting bracket. The hot air in the upper lamp cover can be discharged through the air outlet hole.
As a further improvement of the technical scheme, the upper side of the heat dissipation component is provided with an annular clamping groove, the bottom of the connecting support is annular and embedded in the clamping groove, and the connecting support is also provided with a pressing plate fixedly connected with the heat dissipation component.
As a further improvement of the technical scheme, the outer edge of the top of the heat dissipation component is provided with an annular positioning groove, and the lower end of the upper lamp cover is sleeved in the positioning groove. Through above-mentioned technical scheme, can conveniently go up lamp lid and heat dissipation component quick location through the constant head tank, easy to assemble.
As a further improvement of the technical scheme, a power supply assembly electrically connected with the lamp panel is arranged between the upper lamp cover and the connecting support, and the connecting support is provided with an L-shaped connecting plate fixedly connected with the power supply assembly. Through above-mentioned technical scheme, power supply unit passes through the L shape link plate installation of linking bridge and fixes in the upper lamp lid.
As a further improvement of the above technical solution, a hanging member is provided on the upper side of the lamp cover member, and one end of the hanging member is connected with the lamp cover member, and the other end of the hanging member has a hanging portion. Through the technical scheme, the industrial and mining lamp can be hung through the hanging member for use.
Drawings
The utility model is further described below with reference to the drawings and examples;
FIG. 1 is a schematic perspective view of an embodiment of an industrial and mining lamp according to the present utility model;
FIG. 2 is an exploded perspective view of an embodiment of an industrial and mining lamp according to the present utility model;
FIG. 3 is an exploded perspective view of another embodiment of the mining lamp provided by the present utility model;
FIG. 4 is an exploded perspective view of an embodiment of a connecting bracket and a heat dissipating member according to the present utility model;
FIG. 5 is a side cross-sectional view of one embodiment of an mining lamp provided by the present utility model;
fig. 6 is a side cross-sectional view of an embodiment of a connection bracket and a heat dissipating member provided by the present utility model.
In the figure: 100. a lamp body member; 110. a lamp panel; 111. a light source board; 112. a light-transmitting plate; 120. a lamp shade; 121. a positioning groove; 122. a second convection hole; 200. a heat radiation member; 210. a bottom plate; 211. a first convection hole; 220. a heat dissipation block; 221. a heat radiation fin unit; 222. an air inlet hole; 223. a clamping groove; 224. a positioning groove; 225. a bump; 226. riveting a dental tube; 300. a lamp cover member; 310. a lamp cover is arranged; 311. an air outlet hole; 312. a connecting screw; 320. a connecting bracket; 321. a pressing plate; 322. a connection hole; 323. a notch; 324. concave bulge screw holes; 325. l-shaped connecting plates; 326. a connecting screw; 330. a power supply assembly; 331. a power panel; 332. a power supply upper cover; 333. a power supply lower cover; 340. a suspension member; 341. hanging buckle; 342. hanging a flexible rope; 343. a connecting cylinder; 344. a wire buckle; 345. a hollow screw.
Detailed Description
Reference will now be made in detail to the present embodiments of the present utility model, examples of which are illustrated in the accompanying drawings, wherein the accompanying drawings are used to supplement the description of the written description so that one can intuitively and intuitively understand each technical feature and overall technical scheme of the present utility model, but not to limit the scope of the present utility model.
In the description of the present utility model, it should be understood that references to orientation descriptions such as upper, lower, front, rear, left, right, etc. are based on the orientation or positional relationship shown in the drawings, are merely for convenience of description of the present utility model and to simplify the description, and do not indicate or imply that the apparatus or elements 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 utility model.
In the description of the present utility model, if there is a word description such as "a plurality" or the like, the meaning of a plurality is one or more, and the meaning of a plurality is two or more, and greater than, less than, exceeding, etc. are understood to not include the present number, and above, below, within, etc. are understood to include the present number.
In the description of the present utility model, unless explicitly defined otherwise, terms such as arrangement, installation, connection, etc. should be construed broadly and the specific meaning of the terms in the present utility model can be reasonably determined by a person skilled in the art in combination with the specific contents of the technical scheme.
Referring to fig. 1 to 6, the industrial and mining lamp of the present utility model makes the following embodiments:
An industrial and mining lamp, comprising: a lamp body member 100, a heat dissipation member 200, and a lamp cover member 300.
The lamp cover member 300, the heat dissipation member 200 and the lamp body member 100 are sequentially disposed from top to bottom. The lamp cover member 300 is provided above the lamp body member 100. The heat dissipation member 200 is disposed between the lamp body member 100 and the lamp cover member 300. The heat dissipation member 200 is used for accelerating heat dissipation of the lamp panel 110. The lamp cover member 300 can provide a protective and mounting connection basis.
The lamp body member 100 includes: a lamp panel 110 and a lamp cover 120. The lamp panel 110 includes: a light source plate 111 and a light transmitting plate 112. The light-transmitting plate 112 is disposed at the lower side of the light source plate 111 and fixedly connected to the light source plate 111. The lower side of the light source plate 111 is provided with a plurality of uniformly distributed LED light emitting units, and the light-transmitting plate 112 is made of a light-transmitting material.
In this embodiment, the lamp panel 110 has a circular plate shape. The lamp cover 120 has a sleeve shape with a narrow upper part and a wide lower part. The lamp cover 120 is coaxially sleeved outside the lamp panel 110. The inner side surface of the lamp housing 120 has a reflective coating. The light of the light source plate 111 is softer after passing through the light-transmitting plate 112, and is collected in an irradiation range by reflection of the inner side surface of the lamp cover 120.
The lamp cover member 300 is provided on the upper side of the heat dissipation member 200 and is connected to the heat dissipation member 200. The outer edge of the heat dissipation member 200 is exposed between the lamp body member 100 and the lamp cover member 300. The heat dissipation member 200 has a disc shape.
The lamp cover member 300 includes: an upper lamp cover 310 and a connection bracket 320. The upper lamp cover 310 covers the upper side of the heat dissipation member 200. The connection bracket 320 is provided between the upper lamp cover 310 and the heat dissipation member 200, and is connected to the upper lamp cover 310 and the heat dissipation member 200, respectively.
The outer side surface of the heat dissipation member 200 is provided with a plurality of air inlets 222 distributed along the circumferential direction. The upper side of the upper lamp cover 310 is provided with a plurality of air outlet holes 311. The air inlet hole 222 and the air outlet hole 311 are communicated with the inside of the upper lamp cover 310 to form convection, cold air enters through the air inlet hole 222, hot air flows out through the air outlet hole 311, the convection effect is excellent, and the heat dissipation performance is improved.
The heat dissipation member 200 includes: a base plate 210 and a heat sink block 220.
In this embodiment, the heat dissipating block 220 includes a plurality of heat dissipating fin units 221. The heat radiation fin unit 221 has a quadrangular pyramid shape. The fin units 221 are formed in an annular disk shape and fixedly disposed on the upper side of the bottom plate 210. The base plate 210 is connected to the lamp panel 110. The lower side of the bottom plate 210 is attached to the upper side of the light source plate 111. In other embodiments, the heat sink block 220 may be an integral piece. The heat dissipating block 220 and the bottom plate 210 are both made of heat conductive materials.
In the present embodiment, the plurality of fin units 221 are fixedly disposed on the upper side of the base plate 210 by caulking. In this embodiment, the fin unit 221 and the bottom plate 210 are both made of metal. The heat dissipation fin unit 221 is a metal sheet metal part, and is formed by bending a metal sheet. In other embodiments, the materials of the fin unit 221 and the bottom plate 210 may be selected according to the requirements. The fin unit 221 may be fixed by welding or screw locking.
In order to enable quick positioning between the lamp cover 120 and the heat dissipation member 200, in this embodiment, a circular positioning groove 121 is provided at the upper end of the lamp cover 120, which is recessed downward, and a bottom plate 210 of the heat dissipation member 200 is embedded in the positioning groove 121. The positioning groove 121 can support the bottom of the heat dissipation member 200, and virtualize the connection boundary between the heat dissipation member 200 and the lamp shade 120, so that the connection between the two is more gently transited, and the sense of unity is enhanced.
In a further embodiment, the edge of the bottom plate 210 is provided with a first convection hole 211 distributed along the circumferential direction, and the positioning slot 121 of the lampshade 120 is provided with a second convection hole 122 distributed along the circumferential direction. The first convection holes 211 are aligned up and down in one-to-one correspondence with the second convection holes 122. The first convection hole 211 and the second convection hole 122 aligned with each other can communicate with the upper and lower sides of the lamp panel 110, thereby enhancing air fluidity and improving heat dissipation performance.
Similarly, in order to enable quick positioning between the upper lamp cover 310 and the heat dissipation member 200, in this embodiment, the top outer edge of the heat dissipation member 200 has an annular positioning groove 224, and the lower end of the upper lamp cover 310 is sleeved in the positioning groove 224.
In this embodiment, the connection bracket 320 is a sheet metal part. The bottom of the connection bracket 320 has a shape of a circular thin plate. An annular clamping groove 223 is formed on the upper side of the heat dissipation block 220. The bottom of the connecting bracket 320 is embedded in the clamping groove 223. The connecting bracket 320 is further provided with a pressing plate 321 fixedly connected with the heat dissipation member 200. The pressing plate 321 is overlapped on the upper side of the heat dissipating block 220 and is fixedly connected with the heat dissipating block 220 through a connecting screw 326. The pressing plate 321 is provided with a connecting hole 322, and the heat dissipating block 220 is provided with a connecting screw hole corresponding to the connecting hole 322. The connecting screw 326 is inserted through the connecting hole 322 and threaded through the connecting screw hole.
Further, the heat dissipating block 220 has a rivet pipe 226 extending up and down, and the connection screw hole is provided in the rivet pipe 226. The rivet pipe 226 is disposed in the cavity of the heat sink unit 221, and the upper and lower ends of the rivet pipe 226 are respectively flush with the upper and lower end surfaces of the heat sink 220 and are fixed by riveting. The connecting screw 326 is inserted into the connecting hole 322 and screwed with the rivet pipe 226, so that the connecting bracket 320 can be connected with the heat dissipating block 220. The riveted pipe 226 can support the upper and lower end surfaces of the heat dissipating block 220, reduce the stress of the heat dissipating fin unit 221, and avoid abnormal situations of deformation or connection failure.
In this embodiment, the heat dissipating block 220 is composed of a plurality of the heat dissipating fin units 221. Each fin unit 221 has a protrusion 225 disposed at an upper end of an outer sidewall of the card slot 223. The bottom outer edge of the connecting bracket 320 is provided with a notch 323 corresponding to the bump 225. When the connecting hole 322 is aligned with the connecting screw hole, the protruding block 225 is staggered with the notch 323; when the protruding block 225 is aligned with the notch 323, the connecting hole 322 is offset from the connecting screw hole.
When assembling the heat sink 220 and the connection bracket 320: first, the notch 323 of the connection bracket 320 is aligned with the protrusion 225 up and down, so that the bottom of the connection bracket 320 can be inserted into the slot 223. Then, the connection bracket 320 is rotated such that the edge of the connection bracket 320 is caught between the projection 225 and the bottom of the catching groove 223, and the connection hole 322 is aligned with the connection screw hole. Finally, the pressing plate 321 is locked and connected with the heat dissipating block 220 by a connecting screw 326.
In a further embodiment, the upper cover member further comprises a power supply assembly 330. The power module 330 is electrically connected to the lamp panel 110. The connection bracket 320 has an L-shaped connection plate 325 fixedly connected to the power supply assembly 330.
In this embodiment, the power supply assembly 330 includes: a power panel 331, a power upper cover 332, and a power lower cover 333. The power panel 331 is disposed between the upper power cover 332 and the lower power cover 333. The power upper cover 332 and the power lower cover 333 are fastened to each other to form a receiving space, and the power board 331 is disposed in the receiving space. The power upper cover 332 and the power lower cover 333 can provide protection for the power panel 331, thereby improving safety.
In this embodiment, the power supply assembly 330 has a disc shape, and both radial sides of the power supply upper cover 332 and the power supply lower cover 333 have connection flanges. The upper end of the L-shaped connecting plate 325 is abutted against the connecting flange and fixed by screw locking.
The upper lamp cover 310 is provided with a coupling screw 312. The upper end of the connection screw 312 is clamped to the upper side of the upper lamp cover 310, and the lower end of the connection screw 312 is in threaded connection with the connection bracket 320, so that the connection bracket 320 is locked and fixed with the upper lamp cover 310. The connection bracket 320 has concave bulge screw holes 324 corresponding to the connection screws 312. The concave bulge screw hole 324 is conical and funnel-shaped, and is recessed from outside to inside, so that the lower end of the connecting screw 312 is aligned with the concave bulge screw hole 324 when the assembly is facilitated.
In a further embodiment, in order to facilitate the hanging of the industrial and mining lamp, a hanging member 340 is provided on the upper side of the lamp cover member 300, one end of the hanging member 340 has a connection portion connected with the lamp cover member 300, and the other end has a hanging portion.
The suspension member 340 includes: a connecting cylinder 343, a suspension flexible cable 342 and a hanging buckle 341. The connecting tube 343 and the hanging buckle 341 are respectively arranged at two ends of the hanging flexible cable 342. The connecting tube 343 is disposed on the upper side of the middle of the upper lamp cover 310, and the lower side of the upper lamp cover 310 is provided with a wire buckle 344 and a hollow screw 345. The thread button 344 is provided between the hollow screw 345 and the connection cylinder 343. The hollow screw 345 is screw-coupled with the coupling cylinder 343 such that the wire button 344 and the upper lamp cover 310 are clamped between the hollow screw 345 and the coupling cylinder 343. The power supply member has a conductive wire which is sequentially inserted through the wire button 344, the hollow screw 345 and the connection cylinder 343. The suspension cords 342 may be steel cords, ropes, chains, belts, or the like.
In the description of the present specification, reference to the terms "one embodiment," "some embodiments," "illustrative embodiments," "examples," "specific examples," or "some examples," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the utility model. In this specification, schematic representations of the above terms do not necessarily refer to the same embodiments or examples. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
Although embodiments of the present utility model have been shown and described, various changes, modifications, substitutions and alterations can be made by those skilled in the art without departing from the principles and spirit of the utility model, and such changes, modifications, equivalents and substitutions are intended to be included within the scope of the utility model as defined by the claims and their equivalents.
Claims (10)
1. An industrial and mining lamp, characterized in that: comprising the following steps:
The lamp body component comprises a lamp panel and a lamp shade, wherein the lamp panel is arranged at the upper end of the lamp shade, and the lamp shade is narrow at the upper part and wide at the lower part and covers the lamp panel;
the heat dissipation component is arranged on the upper side of the lamp body component and is connected with the upper side of the lamp panel;
A lamp cover member provided on an upper side of the heat dissipation member and connected to the heat dissipation member;
the heat dissipation member is exposed between the lamp body member and the lamp cover member.
2. The mining lamp according to claim 1, wherein: the heat dissipation component is in a disc shape, and a plurality of air inlets distributed along the circumferential direction are formed in the outer side face of the heat dissipation component.
3. An industrial and mining lamp according to claim 2, wherein: the radiating member comprises a bottom plate and a plurality of radiating fin units, the radiating fin units form an annular disc-shaped radiating block and are fixedly arranged on the upper side of the bottom plate, and the bottom plate is connected with the lamp body member.
4. A mining lamp according to claim 3, wherein: the upper end of the lampshade is provided with a circular positioning groove, and the bottom plate is embedded in the positioning groove.
5. The mining lamp according to claim 4, wherein: the edge of the bottom plate is provided with first convection holes distributed along the circumferential direction, and the upper end of the lampshade is provided with second convection holes vertically aligned with the first convection holes.
6. An industrial and mining lamp according to claim 2, wherein: the lamp cover component comprises an upper lamp cover and a connecting bracket, wherein the upper lamp cover is covered on the upper side of the heat dissipation component, the upper side surface of the upper lamp cover is provided with a plurality of air outlet holes, and the connecting bracket is arranged between the upper lamp cover and the heat dissipation component and is respectively connected with the upper lamp cover and the heat dissipation component.
7. The mining lamp according to claim 6, wherein: the upper side of the heat dissipation component is provided with an annular clamping groove, the bottom of the connecting support is annular and embedded in the clamping groove, and the connecting support is also provided with a pressing plate fixedly connected with the heat dissipation component.
8. The mining lamp according to claim 6, wherein: the top outer fringe of heat dissipation component has annular positioning groove, the lower extreme cover of upper lamp lid is located in the positioning groove.
9. The mining lamp according to claim 6, wherein: the lamp panel is characterized in that a power supply assembly electrically connected with the lamp panel is arranged between the upper lamp cover and the connecting support, and the connecting support is provided with an L-shaped connecting plate fixedly connected with the power supply assembly.
10. The mining lamp according to claim 1, wherein: the upper side of the lamp cover member is provided with a hanging member, one end of the hanging member is connected with the lamp cover member, and the other end of the hanging member is provided with a hanging portion.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202323121006.8U CN221171875U (en) | 2023-11-17 | 2023-11-17 | Industrial and mining lamp |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202323121006.8U CN221171875U (en) | 2023-11-17 | 2023-11-17 | Industrial and mining lamp |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN221171875U true CN221171875U (en) | 2024-06-18 |
Family
ID=91530668
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202323121006.8U Active CN221171875U (en) | 2023-11-17 | 2023-11-17 | Industrial and mining lamp |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN221171875U (en) |
-
2023
- 2023-11-17 CN CN202323121006.8U patent/CN221171875U/en active Active
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