CN210322251U - Desk lamp illuminance grade testing device - Google Patents
Desk lamp illuminance grade testing device Download PDFInfo
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- CN210322251U CN210322251U CN201921110414.4U CN201921110414U CN210322251U CN 210322251 U CN210322251 U CN 210322251U CN 201921110414 U CN201921110414 U CN 201921110414U CN 210322251 U CN210322251 U CN 210322251U
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Abstract
The utility model provides a desk lamp illumination level testing device, which comprises a bracket, a test board, a movable jig and an illuminometer; the bracket is provided with a horizontal adjusting mechanism and a vertical adjusting mechanism connected with the horizontal adjusting mechanism, and the horizontal adjusting mechanism or the vertical adjusting mechanism is provided with a clamping assembly for fixing the table lamp; the test board and the bracket are arranged at intervals, and the top surface of the test board is provided with a plurality of test holes distributed in a fan shape; the bottom surface of the movable jig is provided with an inserting body for inserting into one of the test holes, and the top surface of the movable jig is provided with a concave cavity; the illuminometer is electrically connected with an illuminance probe with the bottom clamped in the concave cavity. The utility model provides a pair of desk lamp illuminance level testing arrangement can fix not unidimensional desk lamp, and the centre gripping subassembly can carry out level and vertical position adjustment, makes the desk lamp can accurately move the spatial position of difference and carry out the illuminance test, and a plurality of test holes can test the illuminance value of different planar position, easy operation, and high to the repeated test precision of same position.
Description
Technical Field
The utility model belongs to the technical field of lamps and lanterns detect, more specifically say, relate to a desk lamp illuminance level testing arrangement.
Background
The illuminance value is the average illuminance maintained on the working surface or the reference plane when the lighting device is maintained, and the average illuminance on the specified surface is not lower than the value, which is the illuminance required for ensuring the visual safety and the visual efficacy during the work. The design of the illumination target value according to different space scenes and visual requirements is a relatively applicable design idea, in areas of office work, writing and reading, the illumination of 300-500 lx is a relatively comfortable light environment, the illumination values of different spaces are not greatly different, but the optimal illumination value can be met by adding a desk lamp in a study room or a reading place.
In order to ensure the eye health of a desk lamp user, after the desk lamp is produced, illuminance tests need to be carried out, illuminance of different positions in a plane and space illumination range in the actual use process of the desk lamp needs to be simulated in the test process, and data measured by the illuminance probes at all the positions are analyzed and calculated, so that the corresponding illuminance grade level is obtained. The structure of current desk lamp all contains lamp stand, lamp holder and connects lamp arm triplex between them, and desk lamp does not have reliable fixed mode when testing at present, generally takes the mode of placing in a certain fixed position to test, can only take handheld illuminance probe to remove to the illuminance test of different spatial position, and test work is complicated, the error is big, the test position is difficult for the record, owing to lack the tool moreover, the illuminance probe can't carry out retest to same position.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a desk lamp illuminance level testing arrangement aims at solving the problem that desk lamp illuminance level test process is complicated, data reliability is poor, the repeated test precision is low.
In order to achieve the above object, the utility model adopts the following technical scheme: the device for testing the illumination level of the desk lamp comprises a bracket, a test board, a movable jig and an illuminometer; the bracket is provided with a horizontal adjusting mechanism and a vertical adjusting mechanism connected with the horizontal adjusting mechanism, and the horizontal adjusting mechanism or the vertical adjusting mechanism is provided with a clamping assembly for fixing the table lamp; the test board and the bracket are arranged at intervals, and the top surface of the test board is provided with a plurality of test holes distributed in a fan shape; the bottom surface of the movable jig is provided with an inserting body for inserting into one of the test holes, and the top surface of the movable jig is provided with a concave cavity; the illuminometer is electrically connected with an illuminance probe with the bottom clamped in the concave cavity.
Furthermore, the clamping assembly comprises a mounting seat, a fixed clamping plate, a movable clamping plate and a power part; the mounting seat is connected with the horizontal adjusting mechanism or the vertical adjusting mechanism and is used for supporting a lamp holder of the desk lamp; the fixed clamping plate is arranged in the mounting seat; the movable clamping plate is arranged in the mounting seat and can move towards the direction close to or far away from the fixed clamping plate, and the movable clamping plate and the fixed clamping plate are matched for clamping a lamp arm of the desk lamp; the power part is connected with the movable clamping plate and is used for driving the movable clamping plate to move.
Furthermore, the mounting seat comprises a mounting plate, a vertical plate arranged on the mounting plate and two vertical plates arranged on the side surfaces of the vertical plate at intervals; the fixed clamping plate is arranged on the side surface of one of the vertical plates, and the movable clamping plate is positioned between the two vertical plates; the power part is a screw rod which sequentially penetrates through one vertical plate, the movable clamping plate, the fixed clamping plate and the other vertical plate, the screw rod is rotatably connected with the two vertical plates and the fixed clamping plate, and the screw rod is in threaded connection with the movable clamping plate.
Furthermore, a guide rod is arranged between the two vertical plates, and the axial direction of the guide rod is the same as that of the screw rod.
Further, horizontal adjustment mechanism includes the horizontal slide bar that the interval set up and with horizontal slide block of horizontal slide bar sliding connection.
Furthermore, the side surface of the horizontal sliding block is in threaded connection with a locking bolt, and the locking bolt penetrates through the side wall of the horizontal sliding block and is abutted against the outer peripheral surface of the horizontal sliding rod.
Furthermore, the side of horizontal slide bar is equipped with first scale, and the lateral wall of horizontal slider is equipped with first pointer, first pointer and first scale sliding contact.
Further, vertical adjustment mechanism is including locating the connecting plate directly over the horizontal sliding block, be located between connecting plate and the horizontal sliding block and with the vertical slider that the centre gripping subassembly is connected, one end passes vertical slider and is connected with the top surface of horizontal sliding block, vertical slide bar, one end and the horizontal sliding block rotation connection that the bottom surface of the other end and connecting plate is connected, the lead screw that the other end and connecting plate rotation are connected, the lead screw pass vertical slider and with vertical slider screw-thread fit.
Furthermore, vertical slide bar is equipped with two, and the lead screw is located between two vertical slide bars, and the top of lead screw upwards passes the top of connecting plate and lead screw and is equipped with the hand wheel.
Further, the side of vertical slide bar is equipped with the second scale, and the lateral wall of vertical slider is equipped with the second pointer, second pointer and second scale sliding contact.
The utility model provides a pair of desk lamp illuminance level testing arrangement's beneficial effect lies in: compared with the prior art, the clamping assembly of the desk lamp illumination level testing device clamps the lamp arm of the desk lamp by means of the clamping force, the desk lamps with different sizes can be fixed, the clamping is firm, the reliability of test data can be guaranteed, the support can be horizontally and vertically adjusted, and the desk lamp can be accurately moved to different spatial positions to perform illumination testing;
according to the characteristic that the illumination range of the desk lamp is circularly distributed, a plurality of test holes which are distributed in a fan shape are arranged to be used as each test point for testing the illumination level of the desk lamp, and the test result is accurate and reasonable;
the illumination probe is fixed in the cavity of removing the tool, and the plug-in body and each test hole of removing the tool bottom surface peg graft in proper order, and the illumination probe carries out the illumination test in proper order in each test hole position, can realize when the desk lamp is in each spatial position, tests the illuminance value of the different plane position that it located, and easy operation because of having a plurality of fixed test hole positions, consequently can realize that the illumination probe carries out accurate reduction location in same position, realizes the repeated test work of high accuracy.
Drawings
Fig. 1 is a schematic perspective view of an illumination level testing device of a desk lamp according to an embodiment of the present invention;
FIG. 2 is a schematic view of a portion of the structure at A in FIG. 1;
FIG. 3 is a schematic view of a portion of the structure shown at B in FIG. 1;
fig. 4 is a schematic structural view of a mobile fixture according to an embodiment of the present invention;
fig. 5 is an exploded schematic view of a clamping assembly according to an embodiment of the present invention.
In the figure: 1. a support; 101. a first scale; 102. a first pointer; 103. a second scale; 104. a second pointer; 11. a horizontal adjustment mechanism; 111. a horizontal sliding bar; 112. a horizontal slider; 113. locking the bolt; 12. a vertical adjustment mechanism; 121. a connecting plate; 122. a vertical slide block; 123. a vertical slide bar; 124. a screw rod; 125. a hand wheel; 13. a clamping assembly; 131. a mounting seat; 1301. mounting a plate; 1302. a vertical plate; 1303. a vertical plate; 134. a guide bar; 135. fixing the clamping plate; 136. moving the clamping plate; 137. a power member; 138. a knob; 2. a test bench; 20. a test well; 3. moving the jig; 30. a concave cavity; 31. an insertion body; 4. and an illumination probe.
Detailed Description
In order to make the technical problem, technical solution and advantageous effects to be solved by the present invention more clearly understood, the following description is given in conjunction with the accompanying drawings and embodiments to illustrate the present invention in further detail. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
Referring to fig. 1 and fig. 4, a description will now be given of an illuminance level testing device for a desk lamp according to the present invention. The device for testing the illumination level of the desk lamp comprises a support 1, a test board 2, a movable jig 3 and an illuminometer; the bracket 1 is provided with a horizontal adjusting mechanism 11 and a vertical adjusting mechanism 12 arranged above the horizontal adjusting mechanism 11, and the vertical adjusting mechanism 12 is provided with a clamping assembly 13 for fixing the desk lamp; the test bench 2 and the bracket 1 are arranged at intervals, and the top surface of the test bench 2 is provided with a plurality of test holes 20 distributed in a fan shape; the bottom surface of the movable jig 3 is provided with an inserting body 31 for inserting in one of the test holes 20, and the top surface is provided with a concave cavity 30; the light meter is electrically connected to a light probe 4 which is inserted at the bottom into one of the cavities 30.
The utility model provides a pair of desk lamp illuminance level testing arrangement's working method:
place support 1 and testboard 2 interval before testing steadily, press from both sides the arm of desk lamp by centre gripping subassembly 13 tightly to move horizontal adjustment structure and vertical adjustment mechanism 12 to initial test position, with the illuminance probe 4 joint of illuminometer in the cavity 30 of removal tool 3, the plug-in body 31 is pegged graft with one of them test hole 20 and marks this test hole 20 as initial position.
When the test is started, the movable jig 3 is moved in sequence according to the arrangement positions of the test holes 20, data measured by the illuminance meter at the position of each test hole 20 through the illuminance probe 4 are recorded, a plurality of data of the position of each test hole 20 can be tested repeatedly according to requirements, after the test and the recording are completed, the space position of the clamping component 13 is adjusted through the horizontal adjusting mechanism 11 and the vertical adjusting mechanism 12, so that the relative height difference between the desk lamp and the test board 2 is adjusted according to the test requirements, the positions of the horizontal adjusting mechanism 11 and the vertical adjusting mechanism 12 at each position are marked, the repeated test of different space test positions is facilitated, and the desk lamp position is tested once and the data are recorded by the illuminance probe 4 according to the test process until the test work is completed.
The utility model provides a pair of desk lamp illuminance level testing arrangement, compared with the prior art, the utility model relates to a desk lamp illuminance level testing arrangement's centre gripping subassembly 13 relies on the arm of clamping-force centre gripping desk lamp, can fix not unidimensional desk lamp, and the centre gripping is firm, can guarantee the reliability of test data, and support 1 can carry out level and vertical regulation, makes the desk lamp can accurately remove different spatial position and carry out the illuminance test.
According to the characteristic that the illumination range of the desk lamp is circularly distributed, a plurality of test holes 20 which are distributed in a fan shape are arranged to be used as each test point for testing the illumination level of the desk lamp, and the test result is accurate and reasonable.
The illumination probe 4 is fixed in the cavity 30 of the movable jig 3, the plug-in body 31 of the bottom surface of the movable jig 3 is sequentially plugged with each test hole 20, the illumination probe 4 sequentially tests the illumination at each test hole 20, when the desk lamp is located at each space position, the illumination values of different plane positions where the desk lamp is located are tested, the operation is simple, the illumination probe 4 is accurately restored and positioned at the same position due to the fact that the illumination probe has a plurality of fixed test holes 20, and high-precision repeated test is achieved.
Referring to fig. 1, fig. 3 and fig. 5, as an embodiment of the device for testing the illuminance level of a desk lamp according to the present invention, the clamping assembly 13 includes a mounting base 131, a fixed clamp plate 135, a movable clamp plate 136 and a power member 137; the mounting seat 131 is connected with the horizontal adjusting mechanism 11 or the vertical adjusting mechanism 12 and is used for supporting a lamp holder of the desk lamp; the fixed splint 135 is arranged in the mounting seat 131; the movable clamping plate 136 is arranged in the mounting seat 131 and can move towards the direction close to the fixed clamping plate 135 or away from the fixed clamping plate 135, and the movable clamping plate 136 and the fixed clamping plate 135 are matched for clamping a lamp arm of the desk lamp; the power member 137 is connected to the movable clamp plate 136 and is used for driving the movable clamp plate 136 to move.
Referring to fig. 1, fig. 3 and fig. 5, as a specific embodiment of the device for testing the illuminance level of a desk lamp according to the present invention, the mounting base 131 includes a mounting plate 1301, a vertical plate 1302 disposed on the mounting plate 1301, and two vertical plates 1303 disposed at the side of the vertical plate 1302 at intervals; the fixed clamp 135 is arranged on the side of one of the vertical plates 1303, and the movable clamp 136 is positioned between the two vertical plates 1303; the power part 137 is a screw rod which sequentially penetrates through one vertical plate 1303, the movable clamping plate 136, the fixed clamping plate 135 and the other vertical plate 1303, the screw rod is rotationally connected with the two vertical plates 1303 and the fixed clamping plate 135, and the screw rod is in threaded connection with the movable clamping plate 136.
The mounting plate 1301 is connected with the vertical sliding block 122, so that the mounting seat 131 and the vertical sliding block 122 are fixed; the screw rod of the threaded connection who sets up and remove splint 136 only needs to rotate the screw rod and can drive and remove splint 136 and be close to or keep away from solid fixed splint 135, realizes the clamp of desk lamp and loosens, when guaranteeing that the desk lamp is fixed stable, makes things convenient for the dismouting of desk lamp, has improved test work efficiency.
For conveniently rotating the screw rod, set up knob 138 at the tip of screw rod, exert torsion through manual to knob 138 and can realize the rotation of screw rod, convenient operation is laborsaving, guarantees that the desk lamp dismouting is swift high-efficient.
Referring to fig. 1 and 5, as a specific embodiment of the device for testing the illuminance level of a desk lamp provided by the present invention, a guide rod 134 is further disposed between the two vertical plates 1303, and the axial direction of the guide rod 134 is the same as the axial direction of the screw rod. The guide rod 134 can restrict the movable clamping plate 136 to rotate to influence the clamping action, and on the other hand, the movable clamping plate 136 is lighter to move, the stress of the movable clamping plate 136 is more balanced, and the clamping force on the lamp arm of the desk lamp is more stable and reliable.
Referring to fig. 1 and fig. 2 together, as an embodiment of the device for testing the illuminance level of a desk lamp according to the present invention, the horizontal adjusting mechanism 11 includes horizontal sliding rods 111 disposed at intervals and horizontal sliding blocks 112 slidably connected to the horizontal sliding rods 111. Pass horizontal slider 112 through horizontal slide bar 111 and carry out sliding connection, simple structure on the one hand, processing is convenient, practices thrift the cost, and on the other hand can guarantee that horizontal slider 112 removes lightly, steadily.
Referring to fig. 1 and fig. 2, as an embodiment of the device for testing the illuminance level of a desk lamp provided by the present invention, a locking bolt 113 is connected to the side surface of the horizontal slider 112 by a screw thread, and the locking bolt 113 penetrates through the side wall of the horizontal slider 112 and abuts against the outer peripheral surface of the horizontal sliding rod 111. When the horizontal sliding block 112 moves to each testing position, the locking bolt 113 is rotated to enable the locking bolt 113 to generate jacking force on the horizontal sliding rod 111, so that the purpose of locking the horizontal sliding block 112 is achieved, the horizontal position of the desk lamp is guaranteed not to change in the testing process, and the testing precision is guaranteed.
Referring to fig. 1 and fig. 2, as an embodiment of the device for testing the illuminance level of a desk lamp according to the present invention, a first scale 101 is disposed on a lateral side of a horizontal sliding rod 111, a first pointer 102 is disposed on a side wall of a horizontal sliding block 112, and the first pointer 102 is in sliding contact with the first scale 101.
When the horizontal position of the desk lamp is adjusted, the horizontal slider 112 can be moved to an accurate position according to the scale value of the first graduated scale 101 indicated by the first pointer 102, data is recorded, the position of the desk lamp can be adjusted conveniently in the test process, in addition, when the same position needs to be tested repeatedly, the position of the horizontal slider 112 can be rapidly restored, and the accuracy of repeated test data of the illumination test work of the same position is ensured.
Please refer to fig. 1 and fig. 3 together, as a specific embodiment of the present invention, the vertical adjusting mechanism 12 includes a connecting plate 121 disposed directly above the horizontal sliding block 112, a vertical sliding block 122 located between the connecting plate 121 and the horizontal sliding block 112 and connected to the clamping assembly 13, a screw rod 124 having one end passing through the vertical sliding block 122 and connected to the top surface of the horizontal sliding block 112, and the other end connected to the bottom surface of the connecting plate 121, one end rotatably connected to the horizontal sliding block 112, and the other end rotatably connected to the connecting plate 121, and the screw rod 124 passing through the vertical sliding block 122 and threadedly engaged with the vertical sliding block 122.
The power is transmitted through the screw rod 124, the vertical sliding block 122 is driven to move up and down on the vertical sliding rod 123, and the height position of the desk lamp is conveniently, quickly and accurately adjusted.
Referring to fig. 1 and fig. 3, as an embodiment of the device for testing the illuminance level of a desk lamp provided by the present invention, two vertical sliding rods 123 are provided, and a screw rod 124 is located between the two vertical sliding rods 123, the top end of the screw rod 124 upwardly passes through a connecting plate 121, and a handwheel 125 is provided at the top end of the screw rod 124.
Set up two vertical slide bars 123, can guarantee the stationarity that vertical slider 122 reciprocated, lead screw 124 sets up between two vertical slide bars 123, guarantees that lead screw 124 is steady, balanced to the drive power of vertical slider 122, in addition, two vertical slide bars 123 also can improve the stability of vertical slider 122 with the cooperation of vertical slider 122 to guarantee that the atress of centre gripping subassembly 13 is steady, avoid centre gripping subassembly 13 to rock or shake and influence the measuring accuracy.
The hand wheel 125 is manually applied with a rotating force to drive the screw rod 124 to rotate, so that the vertical sliding block 122 and the clamping assembly 13 are driven to move up and down, the height position of the desk lamp is adjusted, and the desk lamp is convenient, labor-saving and efficient to operate.
Referring to fig. 1 and fig. 3, as an embodiment of the device for testing illuminance level of a desk lamp provided by the present invention, a second scale 103 is disposed on a lateral side of the vertical sliding rod 123, a second pointer 104 is disposed on a side wall of the vertical sliding block 122, and the second pointer 104 is in sliding contact with the second scale 103.
When adjusting the vertical position of desk lamp, can remove vertical slider 122 to accurate position according to the scale value of second scale 103 that second pointer 104 instructed to the record data makes things convenient for adjustment desk lamp position among the test procedure, in addition, when needing to carry out the retest to same position, can restore vertical slider 122's position rapidly, guarantees that the retest data to same position illuminance test work is accurate.
The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, as any modifications, equivalents, improvements and the like made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.
Claims (10)
1. A desk lamp illuminance level testing device is characterized by comprising:
the desk lamp comprises a support (1) and a lamp body, wherein the support (1) is provided with a horizontal adjusting mechanism (11) and a vertical adjusting mechanism (12) connected with the horizontal adjusting mechanism (11), and the horizontal adjusting mechanism (11) or the vertical adjusting mechanism (12) is provided with a clamping assembly (13) for fixing the desk lamp;
the test bench (2) is arranged at intervals with the bracket (1), and the top surface of the test bench (2) is provided with a plurality of test holes (20) distributed in a fan shape;
the bottom surface of the movable jig (3) is provided with an inserting body (31), the top surface of the movable jig is provided with a concave cavity (30), and the inserting body (31) is used for being inserted into one of the test holes (20);
the illuminometer is electrically connected with an illuminance probe (4), and the bottom of the illuminance probe (4) is clamped in the concave cavity (30).
2. A device for testing the illuminance level of a desk lamp as claimed in claim 1, wherein said clamping assembly (13) comprises:
the mounting seat (131) is connected with the horizontal adjusting mechanism (11) or the vertical adjusting mechanism (12) and is used for supporting a lamp holder of the table lamp;
the fixed clamping plate (135) is arranged in the mounting seat (131);
a movable clamp plate (136) which is provided in the mounting seat (131) and can move in a direction approaching to the fixed clamp plate (135) or away from the fixed clamp plate (135); the movable clamping plate (136) and the fixed clamping plate (135) are matched for clamping a lamp arm of the table lamp;
and the power part (137) is connected with the movable clamping plate (136) and is used for driving the movable clamping plate (136) to move.
3. The device for testing the illuminance level of a desk lamp as claimed in claim 2, wherein: the mounting seat (131) comprises a mounting plate (1301), a vertical plate (1302) arranged on the mounting plate (1301), and two vertical plates (1303) arranged on the side surfaces of the vertical plate (1302) at intervals;
the fixed splint (135) is arranged on the side of one of the vertical plates (1303), and the movable splint (136) is positioned between the two vertical plates (1303);
the power part (137) is a screw rod which sequentially penetrates through one of the vertical plates (1303), the movable clamping plate (136), the fixed clamping plate (135) and the other vertical plate (1303), the screw rod is rotationally connected with the two vertical plates (1303) and the fixed clamping plate (135), and the screw rod is in threaded connection with the movable clamping plate (136).
4. The device for testing the illuminance level of a desk lamp as claimed in claim 3, wherein: and a guide rod (134) is further arranged between the two vertical plates (1303), and the axial direction of the guide rod (134) is the same as that of the screw rod.
5. The device for testing the illuminance level of a desk lamp as claimed in any one of claims 1 to 4, wherein: the horizontal adjusting mechanism (11) comprises a horizontal sliding rod (111) and a horizontal sliding block (112) connected with the horizontal sliding rod (111) in a sliding mode.
6. The device for testing the illuminance level of a desk lamp as claimed in claim 5, wherein: the lateral surface of the horizontal sliding block (112) is in threaded connection with a locking bolt (113), and the locking bolt (113) penetrates through the lateral wall of the horizontal sliding block (112) and is abutted to the outer peripheral surface of the horizontal sliding rod (111).
7. The device for testing the illuminance level of a desk lamp as claimed in claim 5, wherein: a first graduated scale (101) is arranged on the lateral side of the horizontal sliding rod (111), and a first pointer (102) is arranged on the side wall of the horizontal sliding block (112); the first pointer (102) is in sliding contact with the first scale (101).
8. The device for testing the illuminance level of a desk lamp as claimed in claim 5, wherein: the vertical adjustment mechanism (12) comprises:
the connecting plate (121) is arranged right above the horizontal sliding block (112);
the vertical sliding block (122) is arranged between the connecting plate (121) and the horizontal sliding block (112), and the vertical sliding block (122) is connected with the clamping assembly (13);
one end of the vertical sliding rod (123) penetrates through the vertical sliding block (122) and is connected with the top surface of the horizontal sliding block (112), and the other end of the vertical sliding rod is connected with the bottom surface of the connecting plate (121);
and one end of the screw rod (124) is rotatably connected with the horizontal sliding block (112), the other end of the screw rod is rotatably connected with the connecting plate (121), and the screw rod (124) penetrates through the vertical sliding block (122) and is in threaded fit with the vertical sliding block (122).
9. The device for testing the illuminance level of a desk lamp as claimed in claim 8, wherein: two vertical sliding rods (123) are arranged, and the screw rod (124) is positioned between the two vertical sliding rods (123); the top end of the screw rod (124) upwards penetrates through the connecting plate (121) and a hand wheel (125) is arranged at the top end.
10. The device for testing the illuminance level of a desk lamp as claimed in claim 8, wherein: a second graduated scale (103) is arranged on the side of the vertical sliding rod (123), and a second pointer (104) is arranged on the side wall of the vertical sliding block (122); the second pointer (104) is in sliding contact with the second scale (103).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921110414.4U CN210322251U (en) | 2019-07-16 | 2019-07-16 | Desk lamp illuminance grade testing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921110414.4U CN210322251U (en) | 2019-07-16 | 2019-07-16 | Desk lamp illuminance grade testing device |
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| Publication Number | Publication Date |
|---|---|
| CN210322251U true CN210322251U (en) | 2020-04-14 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921110414.4U Active CN210322251U (en) | 2019-07-16 | 2019-07-16 | Desk lamp illuminance grade testing device |
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| CN (1) | CN210322251U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114264454A (en) * | 2021-12-24 | 2022-04-01 | 黄山奥特斯电气股份有限公司 | Vehicle reading light illumination distribution test bed |
-
2019
- 2019-07-16 CN CN201921110414.4U patent/CN210322251U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114264454A (en) * | 2021-12-24 | 2022-04-01 | 黄山奥特斯电气股份有限公司 | Vehicle reading light illumination distribution test bed |
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