Waterproof marker lamp with replaceable meter label

Abstract

The waterproof marker lamp comprises a box-shaped front cover plate, a back plate arranged in the front cover plate and a light-emitting device arranged in the back plate, and an optical cavity used for transmitting light beams is formed between the front cover plate and the back plate; the front cover plate comprises an arrow mark light-transmitting area and a meter mark light-transmitting area. A supporting plate is arranged between the front cover plate and the back plate, two meter label card mounting cavities are formed in the upper part of the supporting plate, and a meter label card is detachably arranged in each meter label card mounting cavity; the upper end of the front cover plate is provided with two card slots. On one hand, the meter label card insertion sheet is adopted to avoid the problem of high fault rate of a digital display tube; and on the other hand, through plug-in type installation, the meter label card can be firmly fixed and prevented from shaking or falling off, the meter label card can be taken out only by loosening screws during disassembly, the whole front cover plate does not need to be disassembled, replacement is convenient, and the problem that the meter label card of the marker lamp is polluted during maintenance and replacement can be solved.

Description

Technical Field

[0001] The utility model belongs to the technical field of fire indicator lights, and particularly relates to a waterproof sign light with replaceable meter marks. Background Technique

[0002] The statements here only provide the background technique related to the utility model, and do not necessarily constitute the prior art.

[0003] Emergency evacuation lights are emergency lights that indicate the safe exits and evacuation directions, and are facilities installed to provide safe evacuation directions for people in case of emergencies. They are applicable to public places with dense population such as schools, shopping malls, hospitals, subway stations, as well as places such as tunnels, residences, and civil air defense projects.

[0004] In recent years, with the urban development process, the construction of tunnels and rail transit has increased day by day. However, when emergency evacuation lights are applied in the driving sections of tunnels and rail transit, due to the long and narrow area and the relatively dim light around compared with the outside of the driving sections of tunnels and rail transit, it is necessary to mark the distance from the tunnel exit on the sign lights in the area, so as to facilitate the driver to adjust the state in time before exiting the tunnel to avoid strong light irradiation when exiting the tunnel and the human eyes cannot adapt quickly, resulting in traffic accidents.

[0005] The patent document with the publication number of CN217008582U discloses an adjustable waterproof sign light with meter marks, which marks the distance between the sign light and the tunnel entrance by setting an adjustable digital display device. Since most of its internal parts are digital tubes and circuit designs, this sign light has the problems of high failure rate and the need to replace the whole lamp when problems occur. However, due to the particularity of tunnels and rail transit, it is impossible to stop running at any time for replacement and repair, which brings great potential safety hazards.

[0006] The patent document with the publication number of CN212061734U discloses a high-protection meter mark sign light, which marks the distance between the sign light and the tunnel entrance by setting a light-shielding digital sign board, and its digital sign board adopts fixed meters, with high reliability. However, during on-site construction, it must correspond to the drawing positions one by one, which brings great inconvenience to on-site installation. Moreover, when maintenance is needed, the front cover plate 1 of the whole sign light needs to be disassembled and the whole sign board needs to be replaced, and the replacement and installation are not flexible and easy to cause problems such as sign light pollution; in addition, the digital sign board is easily detached when set on the hanging part. Content of the Utility Model

[0007] The purpose of the present utility model is to overcome the deficiencies existing in the above-mentioned prior art, and to provide a waterproof marker lamp with replaceable meter marks. The meter mark plate is set as two meter mark card inserts, a support plate is added, two meter mark card installation cavities are opened in the upper part of the support plate, and two card slots are opened at the upper end of the front cover plate. The two meter mark cards are respectively inserted into the corresponding meter mark card installation cavities through the corresponding card slots and fixed by screws. On the one hand, the use of meter mark card inserts avoids the problem of high failure rate of digital display tubes; on the other hand, through the plug-in installation, not only can the meter mark card be firmly fixed to avoid shaking or falling off of the meter mark card, but when disassembling, only need to loosen the screws to take out the meter mark card, without having to disassemble the entire front cover plate, which is convenient to replace and can avoid the problem of the marker lamp being contaminated during the maintenance and replacement of the meter mark card.

[0008] In order to achieve the above object, the present utility model is realized by the following technical solutions:

[0009] The technical solution of the present utility model provides a waterproof marker lamp with replaceable meter marks, including: a box-shaped front cover plate, a back plate arranged inside the front cover plate, a light-emitting device arranged inside the back plate, and a light cavity formed between the front cover plate and the back plate for transmitting light beams; the front cover plate includes an arrow mark light-transmitting area and a meter mark light-transmitting area; a support plate is arranged between the front cover plate and the back plate, two meter mark card installation cavities are opened in the upper part of the support plate, and a meter mark card is detachably arranged respectively; two card slots are opened at the upper end of the front cover plate.

[0010] In at least one embodiment, a light-shielding distance mark is arranged on the meter mark card, and the meter mark card is a special-shaped plate;

[0011] Or, a light-shielding distance mark is arranged on the meter mark card, and the meter mark card is a rectangular plate.

[0012] In at least one embodiment, a connecting plate is arranged at the top of the meter mark card; the connecting plate is perpendicular to the meter mark card.

[0013] In at least one embodiment, an arrow mark light-transmitting area is arranged at the lower part of the support plate.

[0014] In at least one embodiment, the front cover plate includes a fixed frame and a front panel; the front panel is a box-shaped body formed integrally and arranged inside the fixed frame, and the fixed frame covers the periphery of the front panel; a marker lamp fixing hole is also arranged on the fixed frame for fixing the marker lamp at a set position.

[0015] In at least one embodiment, the backplane is a box-shaped body, and the outer wall of the backplane cooperates with the inner wall of the front cover plate; a circuit board and an optical isolation plate are detachably arranged inside the backplane; the optical isolation plate abuts against the backplane and the front cover plate respectively, so that the cavity between the backplane and the front cover plate is separated to form a plurality of optical cavities; a controller and a light source are arranged on the circuit board; an external wiring extending outside the backplane is arranged on the circuit board.

[0016] In at least one embodiment, an outlet hole is arranged at the lower end of the backplane; a potting box is arranged above the outlet hole; the external wiring is potted through the potting box and passes through the outlet hole.

[0017] In at least one embodiment, the detachable arrangement of the circuit board and the optical isolation plate adopts a slot structure, and slots matching the surface shapes of the circuit board and the optical isolation plate are respectively arranged on the bottom plate, and are clamped through the slots.

[0018] In at least one embodiment, a light diffusing plate is arranged between the support plate and the backplane; a sealing gasket is also arranged between the light diffusing plate and the backplane.

[0019] In at least one embodiment, fixing studs are arranged on the front cover plate, and mounting holes matching the fixing studs are respectively arranged on the support plate, the meter scale card, the light diffusing plate, the backplane and the sealing gasket.

[0020] The beneficial effects of the technical solution of the present utility model are as follows:

[0021] For a waterproof marker lamp with replaceable meter scale of the present utility model, the meter scale plate is set as two meter scale card inserts, a support plate is added, two meter scale card installation cavities are opened in the upper part of the support plate, and two insertion slots are opened at the upper end of the front cover plate. The two meter scale cards are respectively inserted into the corresponding meter scale card installation cavities through the corresponding insertion slots and fixed by screws. The marker lamp of the present utility model combines the two characteristics of high reliability of the traditional fixed meter number and flexibility of adjustable meter scale installation. The lamp can be installed casually, and the function of the lamp can be realized by replacing the corresponding meter scale card according to the demand. On the one hand, the use of meter scale card inserts avoids the problem of high failure rate of digital display tubes; on the other hand, through the plug-in installation, not only can the meter scale card be firmly fixed to avoid shaking or falling off of the meter scale card, but when disassembling, only the screw needs to be loosened to take out the meter scale card, and there is no need to disassemble the entire front cover plate, which is convenient to replace and can avoid the problem of pollution of the marker lamp when repairing and replacing the meter scale card. Description of the Drawings

[0022] The attached drawings forming a part of the present utility model are used to provide a further understanding of the present utility model. The schematic embodiments of the present utility model and their descriptions are used to explain the present utility model and do not constitute an improper limitation to the present utility model.

[0023] Figure 1 This is a three-dimensional exploded view of a replaceable meter scale waterproof marker lamp of the present utility model;

[0024] Figure 2 This is an overall structural diagram of a replaceable meter scale waterproof marker lamp of the present utility model;

[0025] Figure 3 This is a front structural diagram of a replaceable meter scale waterproof marker lamp of the present utility model;

[0026] Figure 4 This is an internal structural diagram of a replaceable meter scale waterproof marker lamp of the present utility model;

[0027] Figure 5 This is a structural diagram of the potting box 13 of a replaceable meter scale waterproof marker lamp of the present utility model.

[0028] In the figure: 1. Front cover plate; 2. A meter scale card; 3. Screw; 4. B meter scale card; 5. Support plate; 6. Light diffusing plate; 7. Sealing gasket; 8. External wiring; 9. Light isolation plate; 10. Circuit board; 11. Back plate; 12. Screw; 13. Potting box; 14. A meter scale card installation cavity; 15. B meter scale card installation cavity; 16. A card slot; 17. B card slot.

[0029] The distances or dimensions between each part are exaggerated for showing the positions of each part, and the schematic diagram is only for illustration. Detailed implementation manners

[0030] It should be noted that the following detailed descriptions are all exemplary and are intended to provide further explanations of the present utility model. Unless otherwise specified, all technical and scientific terms used in the present utility model have the same meanings as those commonly understood by those of ordinary skill in the technical field to which the present utility model belongs.

[0031] Embodiment 1

[0032] As Figures 1-5 shown, this embodiment discloses a waterproof marker lamp with a replaceable meter scale, including: a box-shaped front cover plate 1, a back plate 11 arranged inside the front cover plate 1, a light-emitting device arranged inside the back plate 11, a light cavity for propagating light beams formed between the front cover plate 1 and the back plate 11, and the front cover plate 1 includes an arrow mark light-transmitting area and a meter scale light-transmitting area. A support plate 5 is arranged between the front cover plate 1 and the back plate 11. Two meter scale card installation cavities - an A meter scale card installation cavity 14 and a B meter scale card installation cavity 15 are opened at the upper part of the support plate 5, and an A meter scale card 2 and a B meter scale card 4 are detachably arranged respectively. Two card slots - an A card slot 16 and a B card slot 17 are opened at the upper end of the front cover plate 1, and the meter scale card is inserted through the card slot and then fixed by a screw 3.

[0033] In this embodiment, light-shielding distance markings are provided on both of the two meter scale cards, namely, meter scale card A 2 and meter scale card B 4. The distance markings can be a combination of numbers and distance units (such as meters, kilometers, etc.), or can be simple numerical markings. If they are simple numerical markings, light-shielding distance unit markings are provided at corresponding positions on the inner wall of the front cover plate 1.

[0034] The shape of the meter scale card can be a special-shaped plate or a regular rectangular plate. If the meter scale card is a special-shaped plate, the corresponding meter scale card installation cavity on the support plate 5 is also special-shaped; if the meter scale card is a regular rectangular plate, the corresponding meter scale card installation cavity on the support plate 5 is a regular rectangle.

[0035] A connecting plate is provided at the top of the meter scale card. The connecting plate is perpendicularly arranged with respect to the meter scale card. Screw fixing holes 3 are formed in the connecting plate. When the meter scale card is inserted into the meter scale card installation cavity through the card slot, the connecting plate can buckle the upper end of the front cover plate 1 and is fixed by using the screw 3. This can not only firmly fix the meter scale card to prevent the meter scale card from shaking or falling off, but also when disassembling, only need to loosen the screw 3 to take out the meter scale card, without having to disassemble the entire front cover plate 1, which is convenient for replacement and can avoid the problem of the marker lamp being contaminated during the maintenance and replacement of the meter scale card.

[0036] In this embodiment, the support plate 5 can be a light-transmitting support plate 5, or an arrow marking light-transmitting area can be provided at the lower part of the support plate 5.

[0037] In this embodiment, the front cover plate 1 is a box-shaped structure with an opening on one side. The back plate 11 and the components between the back plate 11 and the front cover plate 1 are all arranged in the front cover plate 1 through the opening. The surface of the marker lamp is an integral structure, which can effectively improve the dust-proof, waterproof and moisture-proof effects of the marker lamp.

[0038] In this embodiment, the front cover plate 1 includes a fixed frame and a front panel. The front panel is a box-shaped body formed integrally and is arranged in the fixed frame. The fixed frame covers the periphery of the front panel. Marking lamp fixing holes are also provided on the fixed frame for fixing the marking lamp at a set position.

[0039] Specifically, the front panel of the front cover plate 1 can be made of materials such as tempered glass and plastics, and can be integrally formed into a box shape. The fixed frame can be made of materials with greater strength such as stainless steel and aluminum alloy. The fixed frame covering the periphery of the front panel can effectively improve the strength of the marker lamp and can realize the effective fixation of the marker lamp in the tunnel.

[0040] In this embodiment, the backplane 11 is a box-shaped body, and the outer wall of the backplane 11 cooperates with the inner wall of the front cover plate 1. A circuit board 10 and an optical isolation plate 9 are detachably arranged inside the backplane 11. The optical isolation plate 9 abuts against the backplane 11 and the front cover plate 1 respectively, so that the cavity between the backplane 11 and the front cover plate 1 is separated to form a plurality of optical cavities. A controller and a light source are arranged on the circuit board 10, and an external wiring 8 extending outside the backplane 11 is arranged on the circuit board 10. The external wiring 8 may include a power line and a signal line. Setting wire connection can simplify the process and prevent the direct use of sockets, which may have poor plugging firmness.

[0041] In this embodiment, an outlet hole is arranged at the lower end of the backplane 11, and a waterproof potting box 13 is arranged above the outlet hole. The external wiring 8 is potted through the potting box 13 and extends outside the backplane 11 through the outlet hole, as Figure 5 shown. The waterproof potting box 13 has the functions of water isolation and dust prevention, and can better protect the marker lamp.

[0042] Among them, the box-shaped backplane 11 can adopt an integrally formed injection-molded backplane 11.

[0043] The marker lamp in this embodiment is also provided with an optical isolation plate 9, which divides the optical cavity into two, respectively for indicating the left and right directions. The optical isolation plate 9 can be a movable plate. When only the overall pattern needs to be displayed and the optical cavity does not need to be separated, the optical isolation plate 9 can be directly removed.

[0044] In this embodiment, the circuit board 10 is a straight plate, which is arranged at the upper end or the lower end of the backplane 11. A plurality of light sources are sequentially arranged on the circuit board 10, as Figure 1 shown. The light source can adopt an LED light source and can be evenly distributed at equal distances.

[0045] The detachable arrangement of the circuit board 10 and the optical isolation plate 9 can adopt a slot structure. Slots matching the surface shapes of the circuit board 10 and the optical isolation plate 9 are respectively arranged on the bottom plate, and are connected by the slots.

[0046] In order to make the output light more uniform, obtain higher light brightness with the same number of light sources, and improve the lighting effect, a reflective bottom plate can be fixedly arranged at the rear end of the light source in the backplane 11. The reflective bottom plate can be a plastic bottom plate including multiple arc-shaped curved surfaces and smooth curved surfaces. An electroplated layer capable of reflecting light is arranged on the plastic bottom plate. The radian and bending direction of the multiple arc-shaped curved surfaces and smooth curved surfaces are such that the incident light at this position is reflected and propagates forward. Propagating forward means propagating in the direction of the front cover plate 1. The rear end of the light source is the position farther from the front cover plate 1 than the light source.

[0047] Among them, for any point on the surface of the multi-segment arc surface or smooth surface, the radian of this point is such that the light incident from the light source closest to this point is reflected and propagates horizontally forward, and the center of the radian of this point passes through the normal line that propagates horizontally forward after the reflection of the incident light.

[0048] The reflective bottom plate with multi-segment arc surfaces and smooth surfaces reflects light onto the light diffusion plate 6. While improving the brightness, it ensures the uniformity of light, achieving the purpose of power saving, prolonging the service life of the lamp, and having low requirements for the size of the light cavity. It can greatly reduce the thickness of the sign lamp. The minimum set thickness of the lamp body can be 20 mm, which can fit the wall extremely closely and reduce wind resistance.

[0049] Among them, the material of the reflective bottom plate can be flame-retardant ABS material, PC material, etc.

[0050] In this embodiment, a light diffusion plate 6 is arranged between the support plate 5 and the back plate 11, which can further make the light transmission more uniform. To improve the sealing performance, a sealing gasket 7 is also arranged between the light diffusion plate 6 and the back plate 11. After the light diffusion plate 6 is set, the front end of the light isolation plate 9 abuts against the light diffusion plate 6.

[0051] In this embodiment, fixing studs are arranged on the front cover plate 1, and mounting holes matching the fixing studs are respectively arranged on the support plate 5, the light diffusion plate 6, the back plate 11, and the sealing gasket 7. The front cover plate 1, the support plate 5, the light diffusion plate 6, the sealing gasket 7, and the back plate 11 are sequentially fixedly connected through the cooperation of the screw 12 and the fixing studs.

[0052] In this embodiment, by setting the box-shaped front cover plate 1 and the back plate 11 and adopting an integrally formed structure, the interior is completely sealed. And a sealing gasket 7 is arranged on the contact surface between the front cover plate 1 and the back plate 11. The protection level is up to IP68, and it is difficult to enter dust and water even after long-term use, greatly reducing the failure and damage, and improving the service life of the lamp, with good practicability. By setting an insertion slot on the upper end of the front cover plate 1, the meter label card can be inserted into the meter label card installation cavity of the support plate 5 through the insertion slot. When repairing and disassembling, it is not necessary to completely disassemble the front cover plate 1, further preventing the problem of the sign lamp being contaminated during maintenance.

[0053] The usage method of the sign lamp in this embodiment: First, install the circuit board 10 and the light isolation plate 9 in the corresponding card slots of the back plate 11. Secondly, use the waterproof potting box 13 to fix the wires on the back plate 11. Then install the sealing parts in the corresponding card slots on the back plate 11. The fixing studs of the front cover plate 1 respectively pass through the support plate 5, the light diffusion plate 6, the sealing parts, and the back plate 11, and use the screw 12 to tightly connect the lamp. Finally, insert the A meter label card 2 and the B meter label card 4 into the A meter label card installation cavity 14 and the B meter label card installation cavity 15 through the A insertion slot 16 and the B insertion slot 17 respectively, and fix them with the screw 3 to complete the installation of the entire lamp, and connect the power supply through the external wire 8.

[0054] The above are only the preferred embodiments of the present utility model and are not intended to limit the present utility model. For those skilled in the art, the present utility model can have various changes and modifications. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model shall be included within the protection scope of the present utility model.

Claims

1. A waterproof sign light that can replace a meter mark, characterized in that: include: A box-shaped front cover plate, a back plate arranged inside the front cover plate, a light-emitting device arranged inside the back plate, an optical cavity for propagating a light beam is formed between the front cover plate and the back plate; the front cover plate includes an arrow-marked light-transmitting area and a meter-marked light-transmitting area; a support plate is provided between the front cover plate and the back plate, two meter-marked card installation cavities are provided in the upper part of the support plate, and a meter-marked card is detachably provided in each of the cavities; two card insertion slots are provided in the upper end of the front cover plate.

2. A waterproof sign light that can replace a meter mark as claimed in claim 1, characterized in that: A shading distance mark is set on the meter mark card, and the meter mark card is a special-shaped plate; or a shading distance mark is set on the meter mark card, and the meter mark card is a rectangular plate.

3. A waterproof marker light replaceable with a meter mark as claimed in claim 1, characterized in that: A connecting plate is arranged on the top of the meter mark card; the connecting plate is arranged vertically to the meter mark card.

4. A waterproof marker light replaceable with a meter mark as claimed in claim 1, characterized in that: The support plate is a light-transmitting support plate; or, an arrow is provided at the lower part of the support plate to mark a light-transmitting area.

5. A waterproof sign light replaceable with a meter mark as claimed in claim 1, characterized in that: The front cover plate includes a fixed frame and a front panel; the front panel is an integrally formed box-shaped body arranged in the fixed frame, and the fixed frame covers the circumference of the front panel; the fixed frame is also provided with a marker light fixing hole for fixing the marker light at a set position.

6. A waterproof sign light replaceable for a meter mark as claimed in claim 1, characterized in that: The back panel is a box-shaped body, and the outer wall of the back panel cooperates with the inner wall of the front cover; a circuit board and a light isolation plate are detachably arranged in the back panel; the light isolation plate is respectively abutted against the back panel and the front cover, so that the cavity between the back panel and the front cover is separated to form a plurality of light cavities; a controller and a light source are arranged on the circuit board; and an external wiring extending out of the back panel is arranged on the circuit board.

7. A waterproof marker light replaceable with a meter mark as claimed in claim 6, characterized in that: A wire outlet hole is arranged at the lower end of the back plate; a potting box is arranged above the wire outlet hole; the external wire is potted by the potting box and passes through the wire outlet hole.

8. A waterproof marker light replaceable with a meter mark as claimed in claim 6, characterized in that: The detachable arrangement of the circuit board and the optical isolation board adopts a card slot structure, and card slots matching the surface shapes of the circuit board and the optical isolation board are respectively arranged on the bottom plate, and the cards are connected through the card slots.

9. A waterproof sign light replaceable for a meter mark as claimed in claim 1, characterized in that: A light diffusion plate is arranged between the support plate and the back plate; and a sealing gasket is also arranged between the light diffusion plate and the back plate.

10. A waterproof sign light replaceable with a meter mark as claimed in claim 9, characterized in that: The front cover plate is provided with fixing studs, and the support plate, the light diffusion plate, the back plate and the sealing gasket are respectively provided with mounting holes matching the fixing studs.

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