In-box lighting device of walk-in high-low temperature box

Abstract

The utility model discloses a lighting device in a walk-in high and low temperature box, and relates to the field of walk-in high and low temperature boxes. According to the in-box lighting device of the walk-in high-low temperature box, the rear side of the lampshade body is attached to the corners of the top of the box body of the walk-in high-low temperature box, the lampshade body is fixed to the corners of the box body through the fixing holes by using bolts, the occupied space is effectively reduced, the good light reflection performance of the mirror surface stainless steel material of the lampshade body is utilized, and the lighting effect is good. According to the LED lamp shade, the LED lamp shade is matched with light reflection of the light reflecting plate, the largest lighting range is conveniently achieved, the LED lamp shade is better adapted to different temperatures and use scenes in a walk-in high-low temperature box by means of the excellent high-low temperature resistance and service life of the metal halide lamp bead, the mounting frame and the anti-explosion cover are attached to the front end of the lamp shade body, and the screw rod is driven to rotate by rotating the rotary knobs on the two sides; and the limiting blocks slide along the sliding grooves until the limiting blocks are clamped with the limiting grooves, so that the mounting frame is quickly fixed, and meanwhile, the follow-up disassembly and assembly of the explosion-proof cover and the lampshade body are facilitated.

Description

Technical Field

[0001] The utility model relates to the field of walk-in high and low temperature boxes, in particular to an in-box lighting device of a walk-in high and low temperature box. Background Art

[0002] The walk-in high and low temperature chamber is also called a large high and low temperature test chamber. It is large in size and the operator can walk into the chamber to work. It is used to test the heat and cold resistance of large samples in various environments. It is suitable for the quality inspection of electronic, electrical, mobile, communication, instrumentation, vehicles, plastic products, metal, food, chemical, building materials, medical, aerospace and other products. The lighting inside the existing walk-in high and low temperature chamber usually adopts hanging explosion-proof lamps, and the lighting source mostly adopts energy-saving bulbs or LED lamp beads. Among them, the extreme high temperature resistance of energy-saving bulbs is about 60℃, and the extreme high temperature resistance of LED lamp beads is about 85℃. However, many samples are often tested at 100℃, even 120℃ and 150℃.

[0003] The existing walk-in high and low temperature box has poor high temperature resistance of the lighting source inside the box, which causes the lighting device to be affected by high temperature and have a short service life. It is easy to be damaged in the middle of the test, affecting the progress of the experiment. In addition, the explosion-proof lampshade needs to be disassembled and assembled during the replacement process, which is time-consuming, labor-intensive and inefficient. At the same time, its installation position easily blocks the circulation of the air path in the high and low temperature box, which is not conducive to maintaining good temperature uniformity in the box, and the lighting range has certain limitations. Utility Model Content

[0004] In view of the deficiencies in the prior art, the utility model provides an in-box lighting device for a walk-in high and low temperature box, which solves the problem that the high temperature resistance of the in-box lighting source of the walk-in high and low temperature box is poor, resulting in the lighting device being affected by high temperature and having a short service life. The device is easily damaged during the test, affecting the progress of the experiment, and the explosion-proof lampshade needs to be disassembled and assembled during the replacement process, which is time-consuming, labor-intensive and inefficient. At the same time, its installation position easily blocks the circulation of the air path in the high and low temperature box, which is not conducive to maintaining good temperature uniformity in the box, and the lighting range has certain limitations.

[0005] To achieve the above objectives, the utility model is implemented through the following technical solutions: a lighting device inside a walk-in high and low temperature box, comprising a lampshade body, a fixing hole is provided at the upper end of the lampshade body, a support seat is fixedly installed on the inner side of the lampshade body, a reflector is fixedly installed on the front side of the support seat, a mounting plate is fixedly installed on the right side of the front end of the support seat, a threading hole is provided at the upper end of the lampshade body, a ceramic lamp holder is provided on the left side of the mounting plate, a metal halide lamp bead is provided on the left side of the ceramic lamp holder, a mounting frame is provided at the front end of the lampshade body, an explosion-proof cover is provided on the surface of the mounting frame, slide grooves are provided on the left and right sides of the front end of the lampshade body, a screw rod is provided on the inner side of the slide groove, and the outer side of the screw rod is threadedly connected to a limiting block.

[0006] Preferably, the cross-section of the lampshade body is designed as an isosceles right triangle structure, the fixing holes are located at the upper end of the lampshade body and are vertically penetrated, and four of them are symmetrically arranged on the left and right to facilitate the installation of the lampshade body.

[0007] Preferably, the right end of the ceramic lamp holder is fixedly connected to the mounting plate, and extends to the right side of the mounting plate to be electrically connected to a lamp wire, and the lamp wire extends through a threading hole to the outside of the lampshade body to be connected to a power source, thereby facilitating the connection between the ceramic lamp holder and the power source.

[0008] Preferably, the metal halide lamp bead is located on the front side of the reflector and is matched with the reflector. The right end of the metal halide lamp bead is electrically connected to the ceramic lamp holder, which facilitates the installation and replacement of the lamp bead.

[0009] Preferably, the front sides of the mounting frame and the lampshade body are adapted to each other, the explosion-proof cover and the mounting frame are fixedly connected, the explosion-proof cover is made of tempered glass, and the lampshade body and the mounting frame are made of 304 mirror stainless steel, thereby achieving explosion-proof protection for the lamp beads.

[0010] Preferably, two of the slide grooves and the screw rods are symmetrically arranged on the left and right sides, the left and right ends of the screw rod are rotatably connected to the inner side of the slide groove, and one end of the screw rod extends to the side of the lampshade body and is fixedly installed with a knob to facilitate the control of the rotation of the screw rod.

[0011] Preferably, two limit blocks are symmetrically arranged on the left and right and are designed in an L-shaped structure. The rear end of the limit block is slidably connected to the inner side of the slide groove, and the front end of the limit block extends to the outer side of the slide groove and is connected to the left and right sides of the installation frame through the limit groove, which facilitates the disassembly and assembly of the explosion-proof cover.

[0012] Beneficial Effects

[0013] The utility model provides a lighting device for a walk-in high and low temperature box. Compared with the prior art, it has the following beneficial effects:

[0014] 1. The lighting device inside the walk-in high and low temperature box is provided with a lampshade body and fixing holes, so that the rear side of the lampshade body fits the corners of the top of the walk-in high and low temperature box body together, and the lampshade body is fixed to the corners of the box body through the fixing holes with bolts, so as to realize the installation of the lampshade body, effectively reduce the occupied space, do not block the circulation of the air path in the high and low temperature box, and maintain good temperature uniformity of the box body.

[0015] 2. The lighting device inside the walk-in high and low temperature box is provided with a lampshade body, a reflector, a threading hole, a ceramic lamp holder, a lamp wire, and a metal halide lamp bead. The lamp wire is passed through the threading hole to electrically connect the power supply to the ceramic lamp holder, thereby energizing the metal halide lamp bead. The good reflective performance of the mirror stainless steel material of the lampshade body and the reflection of the reflector are utilized to facilitate the realization of the maximum lighting range. The excellent high and low temperature resistance and service life of the metal halide lamp bead are utilized to better adapt to the different temperatures and usage scenarios in the walk-in high and low temperature box.

[0016] 3. The lighting device inside the walk-in high and low temperature box fits the installation frame, explosion-proof cover and the front end of the lampshade body by setting an installation frame, a limit groove, an explosion-proof cover, a slide groove, a screw rod, a knob and a limit block. The screw rod is driven to rotate by turning the knobs on both sides, so that the limit block slides along the slide groove until it engages with the limit groove, thereby realizing rapid fixation of the installation frame and facilitating the subsequent disassembly and assembly of the explosion-proof cover and the lampshade body, thereby improving the efficiency of inspection and maintenance of the internal structure of the lampshade body. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a three-dimensional structural schematic diagram of the utility model;

[0018] Figure 2 It is a schematic diagram of the three-dimensional structure of the lampshade body and the metal halide lamp beads of the utility model;

[0019] Figure 3 This is a schematic diagram of the three-dimensional structure of the installation frame and explosion-proof cover of the utility model;

[0020] Figure 4 It is the installation diagram of the utility model.

[0021] In the figure: 1. lampshade body; 2. fixing hole; 3. support seat; 4. reflector; 5. mounting plate; 6. threading hole; 7. ceramic lamp holder; 71. lamp wire; 8. metal halide lamp bead; 9. mounting frame; 91. limit groove; 10. explosion-proof cover; 11. slide groove; 12. screw rod; 121. knob; 13. limit block. DETAILED DESCRIPTION

[0022] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0023] See also Figure 1-4 The utility model provides a technical solution: an in-box lighting device for a walk-in high and low temperature box, comprising a lampshade body 1, a fixing hole 2 is opened at the upper end of the lampshade body 1, the cross section of the lampshade body 1 is designed as an isosceles right triangle structure, the fixing hole 2 is located at the upper end of the lampshade body 1 and is vertically penetrated, and four are symmetrically arranged, a support seat 3 is fixedly installed on the inner side of the lampshade body 1, a reflector 4 is fixedly installed on the front side of the support seat 3, a mounting plate 5 is fixedly installed on the right side of the front end of the support seat 3, and a threading hole is opened at the upper end of the lampshade body 1 on the right side of the support seat 3 Hole 6, a ceramic lamp holder 7 is arranged on the left side of the mounting plate 5, the right end of the ceramic lamp holder 7 is fixedly connected to the mounting plate 5, and extends to the right side of the mounting plate 5 and is electrically connected to a lamp line 71, the lamp line 71 extends through the threading hole 6 to the outside of the lampshade body 1 and is connected to a power supply, the rear side of the lampshade body 1 and the corners of the top of the walk-in high and low temperature box are fitted together, and the lampshade body 1 is fixed to the corners of the box through the fixing hole 2 by bolts, so as to realize the installation of the lampshade body 1, effectively reduce the occupied space, do not block the circulation of the air path in the high and low temperature box, and maintain good temperature uniformity of the box;

[0024] A metal halide lamp bead 8 is arranged on the left side of the ceramic lamp holder 7. The metal halide lamp bead 8 is located on the front side of the reflector 4 and is adapted to the reflector 4. The right end of the metal halide lamp bead 8 is electrically connected to the ceramic lamp holder 7. The lamp wire 71 is passed through the threading hole 6 to electrically connect the power supply to the ceramic lamp holder 7, so as to realize the power supply of the metal halide lamp bead 8. The good reflective performance of the 304 mirror stainless steel material of the lampshade body 1 is utilized, and the reflection of the reflector 4 is matched to facilitate the realization of the maximum lighting range. Among them, the working voltage of the metal halide lamp bead 8 is DC 24V, which is a safe voltage. The temperature resistance range of the metal halide lamp bead 8 is -60℃~160℃, and the service life can reach 2000 hours. The excellent high and low temperature resistance and service life of the metal halide lamp bead 8 are utilized to better adapt to the different temperatures and usage scenarios in the walk-in high and low temperature box.

[0025] A mounting frame 9 is provided at the front end of the lampshade body 1, and an explosion-proof cover 10 is provided on the surface of the mounting frame 9. The mounting frame 9 and the front sides of the lampshade body 1 are adapted to each other, and the explosion-proof cover 10 and the mounting frame 9 are fixedly connected. The explosion-proof cover 10 is made of tempered glass, and the lampshade body 1 and the mounting frame 9 are made of 304 mirror stainless steel. A slide groove 11 is provided on the left and right sides of the front end of the lampshade body 1, and a screw rod 12 is provided on the inner side of the slide groove 11. The slide groove 11 and the screw rod 12 are symmetrically provided with two, and the left and right ends of the screw rod 12 are rotatably connected to the inner side of the slide groove 11. One end of the screw rod 12 extends to the side of the lampshade body 1 and is fixedly installed with a knob 121. The outer side of the screw rod 12 is threaded and has a limited The limit block 13 is symmetrically arranged with two limit blocks 13 and is designed in an L-shaped structure. The rear end of the limit block 13 is slidably connected to the inner side of the slide groove 11, and the front end of the limit block 13 extends to the outside of the slide groove 11, and is engaged with the left and right sides of the installation frame 9 through the limit groove 91, so that the installation frame 9, the explosion-proof cover 10 and the front end of the lampshade body 1 are fitted together, and the screw rod 12 is driven to rotate by rotating the knobs 121 on both sides, so that the limit block 13 slides along the slide groove 11 until it is engaged with the limit groove 91, so as to realize the rapid fixation of the installation frame 9, and at the same time facilitate the subsequent disassembly and assembly of the explosion-proof cover 10 and the lampshade body 1, and improve the efficiency of the inspection and maintenance of the internal structure of the lampshade body 1.

[0026] During use, the rear side of the lampshade body 1 is fitted with the corners of the top of the walk-in high and low temperature box, and the lampshade body 1 is fixed to the corners of the box through the fixing holes 2 by bolts to achieve the installation of the lampshade body 1, effectively reducing the occupied space, not blocking the circulation of the air path in the high and low temperature box, and maintaining good temperature uniformity of the box. By passing the lamp wire 71 through the threading hole 6, the power supply is electrically connected to the ceramic lamp holder 7 to realize the power supply of the metal halide lamp bead 8. The good reflective performance of the 304 mirror stainless steel material of the lampshade body 1 is used in combination with the reflection of the reflector 4 to facilitate the realization of the maximum lighting range. The working voltage of the metal halide lamp bead 8 is DC 2 4V is a safe voltage. The temperature range of the metal halide lamp bead 8 is -60℃~160℃, and the life span can reach 2000 hours. The excellent high and low temperature resistance and service life of the metal halide lamp bead 8 are utilized to better adapt to the different temperatures and usage scenarios in the walk-in high and low temperature box. The installation frame 9 and the explosion-proof cover 10 are fitted with the front end of the lampshade body 1. The screw rod 12 is driven to rotate by turning the knobs 121 on both sides, so that the limit block 13 slides along the slide groove 11 until it is engaged with the limit groove 91, thereby realizing rapid fixation of the installation frame 9, and facilitating the subsequent disassembly and assembly of the explosion-proof cover 10 and the lampshade body 1, thereby improving the efficiency of inspection and maintenance of the internal structure of the lampshade body 1.

[0027] Meanwhile, the contents not described in detail in this specification belong to the prior art known to those skilled in the art.

[0028] Although the embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A lighting device for a walk-in high and low temperature box, comprising a lampshade body (1), characterized in that: The upper end of the lampshade body (1) is provided with a fixing hole (2), the inner side of the lampshade body (1) is fixedly mounted with a support seat (3), the front side of the support seat (3) is fixedly mounted with a reflector (4), the right side of the front end of the support seat (3) is fixedly mounted with a mounting plate (5), the upper end of the lampshade body (1) is located on the right side of the support seat (3) and is provided with a threading hole (6), the left side of the mounting plate (5) is provided with a ceramic lamp holder (7), the left side of the ceramic lamp holder (7) is provided with a metal halide lamp bead (8), the front end of the lampshade body (1) is provided with a mounting frame (9), the surface of the mounting frame (9) is provided with an explosion-proof cover (10), the left and right sides of the front end of the lampshade body (1) are provided with a slide groove (11), the inner side of the slide groove (11) is provided with a screw rod (12), and the outer side of the screw rod (12) is threadedly connected to a limit block (13).

2. The lighting device for a walk-in high and low temperature box according to claim 1, characterized in that: The cross section of the lampshade body (1) is designed as an isosceles right triangle structure, and the fixing holes (2) are located at the upper end of the lampshade body (1) and are vertically penetrated, and four of them are symmetrically arranged on the left and right.

3. The lighting device for a walk-in high and low temperature box according to claim 1, characterized in that: The right end of the ceramic lamp holder (7) is fixedly connected to the mounting plate (5) and extends to the right side of the mounting plate (5) to be electrically connected to a lamp wire (71). The lamp wire (71) extends through the wire threading hole (6) to the outside of the lampshade body (1) to be connected to a power source.

4. The lighting device for a walk-in high and low temperature box according to claim 1, characterized in that: The metal halide lamp bead (8) is located on the front side of the reflector (4) and is mutually compatible with the reflector (4). The right end of the metal halide lamp bead (8) is electrically connected to the ceramic lamp holder (7).

5. The lighting device for a walk-in high and low temperature box according to claim 1, characterized in that: The front sides of the mounting frame (9) and the lampshade body (1) are adapted to each other, the explosion-proof cover (10) and the mounting frame (9) are fixedly connected, the explosion-proof cover (10) is made of tempered glass, and the lampshade body (1) and the mounting frame (9) are made of 304 mirror stainless steel.

6. The lighting device for a walk-in high and low temperature box according to claim 1, characterized in that: The slide groove (11) and the screw rod (12) are provided with two of them in a left-right symmetrical manner. The left and right ends of the screw rod (12) are rotatably connected to the inner side of the slide groove (11). One end of the screw rod (12) extends to the side of the lampshade body (1) and is fixedly mounted with a knob (121).

7. The lighting device for a walk-in high and low temperature box according to claim 1, characterized in that: The limit blocks (13) are provided with two symmetrical positions on the left and right sides and are designed in an L-shaped structure. The rear end of the limit block (13) is slidably connected to the inner side of the slide groove (11), and the front end of the limit block (13) extends to the outer side of the slide groove (11) and is snap-connected to the left and right sides of the installation frame (9) through the limit groove (91).

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