CN206311240U - Light fixture testing equipment calibrating installation - Google Patents
Light fixture testing equipment calibrating installation Download PDFInfo
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- CN206311240U CN206311240U CN201621399094.5U CN201621399094U CN206311240U CN 206311240 U CN206311240 U CN 206311240U CN 201621399094 U CN201621399094 U CN 201621399094U CN 206311240 U CN206311240 U CN 206311240U
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- buckle
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- light fixture
- mounting
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Abstract
The utility model is related to a kind of light fixture testing equipment calibrating installation, including mounting assembly, the buckle of support frame first of cap with splash guard and protective, second buckle, support bar and temperature-sensing device, support frame includes relative first end and the second end, and the first end of support frame and the second end interval setting, first buckle and the second buckle interval setting, the first end of support frame is connected to the second buckle, one end of support bar is connected to the first buckle, mounting assembly includes at least two mounting rods, mounting rod is connected to the first buckle, on second buckle and/or support frame, each mounting rod is provided with a temperature-sensing device.By setting temperature-sensing device is installed on mounting rod, light fixture is arranged at the position between the first end of support frame and the second end, so that at least two temperature-sensing devices located at mounting rod are located on a virtual sphere, so as to measure the environment temperature around light fixture testing equipment, and calibrate the indicating value of the temperature sensor of light fixture testing equipment.
Description
Technical field
The utility model measurement and calibration technical field, more particularly to a kind of light fixture testing equipment calibrating installation.
Background technology
The equipment of integrating sphere and distribution photometer as light fixture is detected, it usually needs to carrying out monitoring temperature around light fixture,
Temperature sensor is set generally at the porch of integrating sphere luminosity probe or distribution photometer cursor and carrys out measurement temperature.
To make measurement accurate, integrating sphere or distribution photometer need to calibrate temperature indicating value.At present for integrating sphere or distribution light
The temperature sensor for spending meter generally has two kinds of calibration methods：One kind is dismounting temperature sensor, fetches laboratory and is put into thermostat
Calibrated；Another kind is not dismantle temperature sensor, and is positioned over using standard thermometer and be calibrated near temperature sensor,
Compare test.However, above two calibration method all can not completely evaluate the temperature environment of integrating sphere or distribution photometer
It is required that, it is not reaching to calibrate the temperature parameter around whole equipment.
Utility model content
Based on this, it is necessary to provide a kind of light fixture testing equipment calibration cartridge of adjustable light fixture testing equipment temperature index
Put.
A kind of light fixture testing equipment calibrating installation, including mounting assembly, support frame, the first buckle, the second buckle, support bar
And temperature-sensing device, support frame as described above include relative first end and the second end, and the first end of support frame as described above and
Second end interval setting, first buckle and the second buckle interval setting, the first end of support frame as described above
Second buckle is connected to, one end of the support bar is connected to first buckle, and the mounting assembly includes at least two
Individual mounting rod, the mounting rod is connected on first buckle, second buckle and/or support frame as described above, the support
The other end of bar is connected to a mounting rod, and each described mounting rod is provided with a temperature-sensing device.
By setting at least two mounting rods, temperature-sensing device is installed in the end of mounting rod, and by the of support frame
One end and the second end interval setting, can be arranged at position between the first end of support frame and the second end, so that setting by light fixture
It is located on a virtual sphere at least two temperature-sensing devices of mounting rod, so as to measure around light fixture testing equipment
Environment temperature, and calibrate the indicating value of the temperature sensor of light fixture testing equipment.
Wherein in one embodiment, the mounting assembly includes two the first mounting rods, two the second mounting rods, three
Mounting rod and the 4th mounting rod, first mounting rod, second mounting rod and the 3rd mounting rod are located at the support
The first end of frame, and first mounting rod, second mounting rod and the 3rd mounting rod be mutually perpendicular to two-by-two, two institutes
State the first mounting rod to be located along the same line, two second mounting rods are located along the same line, and the 4th mounting rod sets
In second end relative with the first end of support frame as described above, and the 4th mounting rod is parallel to the 3rd mounting rod,
One end that one end that two first mounting rods are located remotely from each other and two second mounting rods are located remotely from each other is separately installed with
One temperature-sensing device, the 3rd mounting rod is away from one end of the 4th mounting rod and the 4th mounting rod away from institute
The one end for stating the 3rd mounting rod is mounted on a temperature-sensing device, first mounting rod, second mounting rod and institute
State the 3rd mounting rod and be all connected to second buckle, and two first mounting rods respectively positioned at the two of first buckle
Side, respectively positioned at the both sides of first buckle, one end of the support bar is connected to described for two second mounting rods
One buckle, the other end is connected to first mounting rod or second mounting rod.
Wherein in one embodiment, first mounting rod, second mounting rod, the 3rd mounting rod and/or
4th mounting rod is expansion link.
Wherein in one embodiment, support frame as described above includes the first supporting part, the second supporting part and connecting portion, the company
Socket part connects first supporting part and second supporting part, and the first end is first supporting part away from the connection
The one end in portion, second end is the one end of second supporting part away from the connecting portion, first supporting part and described
Second supporting part extends towards the homonymy of the connecting portion.
Wherein in one embodiment, the light fixture testing equipment calibrating installation includes four support bars, two branch
The other end of strut is connected to two first mounting rods, and the other end of two other support bar is connected to
Two second mounting rods, the two ends of the 3rd mounting rod are connected to first buckle and second buckle.
Wherein in one embodiment, one end of the support bar is rotatably connected at first buckle, the other end
It is movably attached to first mounting rod or second mounting rod.
Wherein in one embodiment, first buckle includes the first noumenon and consolidates located at the first of the first noumenon
Determine portion, one end of the support bar is connected to first buckle by first fixed part；First buckle also includes
Located at the second fixed part of the first noumenon, the 3rd mounting rod is connected to first card by second fixed part
Button；Second buckle includes the second body and the 4th fixed part located at second body, first mounting rod or institute
The one end for stating the second mounting rod is connected to second buckle by the 4th fixed part；Second buckle also includes being located at
5th fixed part of second body, the 3rd mounting rod is connected to second buckle by the 5th fixed part.
Wherein in one embodiment, second fixed part includes arc sections, the light fixture testing equipment calibrating installation
Also include buckling piece, the 3rd mounting rod inserts second fixed part, and the buckling piece is fixed with second fixed part,
So as to the 3rd mounting rod is connected into first buckle.
Wherein in one embodiment, first buckle is constituted for two and half buckles, and the first noumenon includes two
Semicircular ring, the two ends of each half buckle are provided with the 3rd fixed part, two the 3rd fixed parts of half buckle
Connection composition first buckle；Second buckle can be constituted for two and half buckles, and the second body includes two semicircular rings, often
The two ends of individual half buckle are provided with the 6th fixed part, the 6th fixed part connection composition of two half buckles described the
Two buckles.
Wherein in one embodiment, the light fixture testing equipment calibrating installation also includes locating rod, the locating rod
Two ends connect first buckle and second buckle respectively, so as to limit the phase of first buckle and second buckle
To position.
Brief description of the drawings
Fig. 1 is the structural representation of the light fixture testing equipment calibrating installation of the embodiment of the utility model one；
Fig. 2 is point buckle structure schematic diagram of the first buckle of light fixture testing equipment calibrating installation shown in Fig. 1；
Fig. 3 is point buckle structure schematic diagram of the second buckle of light fixture testing equipment calibrating installation shown in Fig. 1.
Specific embodiment
For the ease of understanding the utility model, the utility model is more fully retouched below with reference to relevant drawings
State.Preferred embodiment of the present utility model is given in accompanying drawing.But, the utility model can come real in many different forms
It is existing, however it is not limited to embodiment described herein.On the contrary, the purpose for providing these embodiments is made to public affairs of the present utility model
The understanding for opening content is more thorough comprehensive.
It should be noted that when element is referred to as " being fixed on " another element, it can directly on another element
Or can also be in the presence of element between the two.When an element is considered as " connection " another element, it can be direct
It is connected to another element or may be simultaneously present element between the two.
Unless otherwise defined, all of technologies and scientific terms used here by the article is led with technology of the present utility model is belonged to
The implication that the technical staff in domain is generally understood that is identical.It is herein to be in term used in the description of the present utility model
The purpose of description specific embodiment, it is not intended that in limitation the utility model.Term as used herein " and/or " include
The arbitrary and all of combination of one or more related Listed Items.
Fig. 1 is referred to, the light fixture testing equipment calibrating installation of the embodiment of the utility model one includes mounting assembly 10, support
Frame 20, the first buckle 40, the second buckle 50, support bar 70 and temperature-sensing device (not shown), support frame 20 include relative
First end and the second end, and the first end of support frame 20 and the second end interval setting, the first buckle 40 and the second buckle 50 are spaced
Set, the first end of support frame 20 is connected to the second buckle 50, and one end of support bar 70 is connected to the first buckle 40.Mounting assembly
10 include at least two mounting rods, and mounting rod is connected on the first buckle 40, the second buckle 50 and/or support frame 20, support bar
70 other end is connected to a mounting rod, and each mounting rod is provided with a temperature-sensing device.Whole light fixture detection sets
Standby calibrating installation is installed on light fixture bar (not shown) by the first buckle 40 and the second buckle 50, specifically can be by the He of the first buckle 40
Second buckle 50 is sheathed on light fixture bar.
By setting at least two mounting rods, temperature-sensing device is installed in the end of mounting rod, and by support frame 20
First end and the second end interval setting, can be arranged at position between the first end of support frame 20 and the second end by light fixture, so that
At least two temperature-sensing devices located at mounting rod are made to be located on a virtual sphere, so as to measure light fixture testing equipment
Environment temperature around (such as integrating sphere or distribution photometer), and calibrate the indicating value of the temperature sensor of light fixture testing equipment.
In the present embodiment, mounting assembly 10 includes that two the first mounting rods, 102, two the second mounting rods the 104, the 3rd are installed
The mounting rod 108 of bar 106 and the 4th, the first mounting rod 102, the second mounting rod 104 and the 3rd mounting rod 106 are located at support frame 20
First end, and the first mounting rod 102, the second mounting rod 104 and the 3rd mounting rod 106 be mutually perpendicular to two-by-two, two first installations
Bar 102 is located along the same line, and two the second mounting rods 104 are located along the same line, and the 4th mounting rod 108 is located at support frame 20
The second end, and the 4th mounting rod 108 is parallel to the 3rd mounting rod 106, one end that two the first mounting rods 102 are located remotely from each other and
One end that two the second mounting rods 104 are located remotely from each other is separately installed with a temperature-sensing device, and the 3rd mounting rod 106 is away from
One end of four mounting rods 108 and the 4th mounting rod 108 are mounted on a temperature sensing dress away from one end of the 3rd mounting rod 106
Put.By setting six mounting rods, 6 temperature-sensing devices can be set around light fixture, and 6 temperature-sensing devices are located at one
On individual virtual sphere, the environment temperature around light fixture testing equipment (such as integrating sphere or distribution photometer) so can be more accurately measured
Degree.
In the present embodiment, the first mounting rod 102, the second mounting rod 104, the 3rd mounting rod 106 and/or the 4th mounting rod
108 is expansion link.When mounting rod is expansion link, the length of mounting rod can be as needed adjusted, make six temperature-sensing devices
On the different virtual spherical surface of radius, so as to adapt to different size of light fixture testing equipment.
In the present embodiment, support frame 20 includes the first supporting part 202, the second supporting part 204 and connecting portion 206, connecting portion
206 connection the first supporting part 202 and the second supporting parts 204, first end is the one end of the first supporting part 202 away from connecting portion 206,
Second end is the one end of the second supporting part 204 away from connecting portion 206, and the first supporting part 202 and the second supporting part 204 are towards connecting portion
206 homonymy extends, so that the first supporting part 202, the second supporting part 204 and connecting portion 206 surround depressed part from without influence
The position of light fixture.Specifically, the first supporting part 202 and the second supporting part 204 are vertically located at the two ends of connecting portion 206, to be formed
" ㄈ " support frame 20.
In the present embodiment, the first mounting rod 102, the second mounting rod 104 and the 3rd mounting rod 106 are all connected to the second buckle
50, and two the first mounting rods 102, respectively positioned at the both sides of the first buckle 40, two the second mounting rods 104 are located at first respectively
The both sides of buckle 40.The other end of support bar 70 is connected to the first mounting rod 102 or the second mounting rod 104, so as to pacify to first
Dress bar 102, the second mounting rod 104 and the 3rd mounting rod 106 form positioning.
Specifically, light fixture testing equipment calibrating installation includes four support bars 70, two other end difference of support bar 70
Two the first mounting rods 102 are connected to, the other end of two other support bar 70 is connected to two the second mounting rods 104,
The two ends of the 3rd mounting rod 106 are connected to the first buckle 40 and the second buckle 50.
In the present embodiment, one end of support bar 70 is rotatably connected at the first buckle 40, and the other end is movably coupled to
In the first mounting rod 102 or the second mounting rod 104.So, the angle of the first mounting rod 102 and the second mounting rod 104 is can adjust,
So as to ensure the first mounting rod 102 and the second mounting rod 104 in horizontality.Specifically, support bar 70 is connected to the first peace
The one end for filling the mounting rod 104 of bar 102 or second is provided with sleeve 702, sleeve 702 be movably sheathed on the first mounting rod 102 or
On second mounting rod 104.
In the present embodiment, please refer to Fig. 2, the first buckle 40 includes the first noumenon 402 and located at the first noumenon 402
First fixed part 404, one end of support bar 70 is connected to the first buckle 40 by the first fixed part 404.Specifically, first fix
Portion 404 is four, and the angle of two neighboring first fixed part 404 is 90 °, and four support bars 70 are connected to one first and consolidate
Determine portion 404.Specifically, through hole is offered on one end of support bar 70 and the first fixed part 404, will through through hole by fastener
The fixed part 404 of steady arm 70 and first is connected.More specifically, each first fixed part 404 is consolidating that two block gaps be arranged in parallel
Fixed board.
In the present embodiment, the first buckle 40 also includes the second fixed part 406 located at the first noumenon 402, the 3rd mounting rod
106 are connected to the first buckle 40 by the second fixed part 406.Specifically, the second fixed part 406 includes arc sections, light fixture detection
Equipment Alignment device also includes buckling piece 80, and the 3rd mounting rod 106 inserts the second fixed part 406, and buckling piece 80 and second is fixed
Portion 406 is fixed, so as to the 3rd mounting rod 106 is connected into the first buckle 40.Specifically, buckling parts 80 is arc-shaped.More specifically
Ground, the second fixed part 406 and buckling piece 80 are respectively provided with flange part, through hole are opened up on flange part, will through through hole by fastener
Second fixture 406 and buckling piece 80 are connected.
In the present embodiment, the first buckle 40 can be constituted for two and half buckles, and the first noumenon 402 includes two semicircular rings, often
The two ends of individual half buckle are provided with the 3rd fixed part 408, connection first buckle 40 of composition of the 3rd fixed part 408 of two and half buckles.
Specifically, through hole is offered on the 3rd fixed part 408, is connected two the 3rd fixed parts 408 through through hole by fastener.
In the present embodiment, also referring to Fig. 3, the second buckle 50 includes the second body 502 and located at the second body 502
One end of 4th fixed part 504, the first mounting rod 102 or the second mounting rod 104 is connected to the second card by the 4th fixed part 504
Button 50.Specifically, the second fixed part 504 is four, and the angle of two neighboring second fixed part 504 is 90 °, each first installation
Bar 102 or each second mounting rod 104 are connected to the 4th fixed part 504.Specifically, the first mounting rod 102 or the
Through hole is offered on one end of two mounting rods 104 and the 4th fixed part 504, through hole is passed through by the first mounting rod by fastener
102 or second mounting rod 104 be connected with the 4th fixed part 504.More specifically, each the 4th fixed part 504 is flat for two block gaps
The fixed plate that row is set.
In the present embodiment, the second buckle 50 also includes the 5th fixed part 506 located at the second body 502, the 3rd mounting rod
106 are connected to the second buckle 50 by the 5th fixed part 506.Specifically, opened on the 3rd mounting rod 106 and the 5th fixed part 506
Through hole is provided with, the 3rd mounting rod 106 is connected with the 5th fixed part 506 through through hole by fastener.More specifically, each
Five fixed parts 506 are the fixed plate that two block gaps be arranged in parallel.
In the present embodiment, the second buckle 50 can be constituted for two and half buckles, and the second body 502 includes two semicircular rings, often
The two ends of individual half buckle are provided with the 6th fixed part 508, connection second buckle 50 of composition of the 6th fixed part 508 of two and half buckles.
Specifically, through hole is offered on the 6th fixed part 508, is connected two the 6th fixed parts 508 through through hole by fastener.
In the present embodiment, light fixture testing equipment calibrating installation also includes locating rod 90, and the two ends of locating rod 90 connect respectively
First buckle 40 and the second buckle 50, so as to limit the relative position of the first buckle 40 and the second buckle 50.Specifically, locating rod
90 two ends are connected to the 3rd fixed part 408 of the first buckle 40 and the 6th fixed part 508 of the second buckle 50.
In the present embodiment, light fixture testing equipment calibrating installation also includes control device, and control device receives 6 temperature sensings
The temperature value t of each temperature-sensing device in deviceiThe temperature value t sensed with the temperature sensor of light fixture testing equipment, control dress
Put and light fixture testing equipment temperature error Δ t is obtained according to below equation：
Δ t=max | Δ ti|
ΔtiIt is i-th temperature error of temperature-sensing device,For the temperature of the temperature sensor of light fixture testing equipment is put down
Average, the average value of the temperature value t of as multiple temperature sensor sensings,It is i-th temperature-averaging of temperature-sensing device
Value, the as i-th temperature value t of temperature-sensing deviceiAverage value, Δ t be light fixture testing equipment temperature error.
In the present embodiment, control device obtains the inhomogeneities parameter δ of light fixture environment temperature always according to below equation：
It is i-th temperature averages of temperature-sensing device, the as i-th temperature value t of temperature-sensing devicei。
In the present embodiment, control device obtains the temperature stability θ of light fixture testing equipment always according to below equation, wherein,
ηi=max (tij)-min(tij)
θ=max (ηi),
ηiIt is i-th stability of temperature-sensing device position, tijIt is i-th temperature-sensing device jth time test
Temperature value.
Each technical characteristic of embodiment described above can be combined arbitrarily, to make description succinct, not to above-mentioned reality
Apply all possible combination of each technical characteristic in example to be all described, as long as however, the combination of these technical characteristics is not deposited
In contradiction, the scope of this specification record is all considered to be.
Embodiment described above only expresses several embodiments of the present utility model, and its description is more specific and detailed,
But therefore can not be interpreted as the limitation to utility model patent scope.It should be pointed out that for the common skill of this area
For art personnel, without departing from the concept of the premise utility, various modifications and improvements can be made, these are belonged to
Protection domain of the present utility model.Therefore, the protection domain of the utility model patent should be determined by the appended claims.
Claims (10)
1. a kind of light fixture testing equipment calibrating installation, it is characterised in that including mounting assembly, support frame, the first buckle, the second card
Button, support bar and temperature-sensing device, support frame as described above include relative first end and the second end, and support frame as described above is described
First end and second end interval setting, first buckle and the second buckle interval setting, the institute of support frame as described above
State first end and be connected to second buckle, one end of the support bar is connected to first buckle, the mounting assembly bag
At least two mounting rods are included, the mounting rod is connected on first buckle, second buckle and/or support frame as described above,
The other end of the support bar is connected to a mounting rod, and each described mounting rod is provided with a temperature sensing
Device.
2. light fixture testing equipment calibrating installation according to claim 1, it is characterised in that the mounting assembly includes two
First mounting rod, two the second mounting rods, the 3rd mounting rod and the 4th mounting rods, first mounting rod, described second are installed
Bar and the 3rd mounting rod are located at the first end of support frame as described above, and first mounting rod, second mounting rod and institute
State the 3rd mounting rod to be mutually perpendicular to two-by-two, two first mounting rods are located along the same line, two second mounting rods
It is located along the same line, the 4th mounting rod is located at second end relative with the first end of support frame as described above, and described
4th mounting rod parallel to the 3rd mounting rod, one end that two first mounting rods are located remotely from each other and two described second
One end that mounting rod is located remotely from each other is separately installed with a temperature-sensing device, and the 3rd mounting rod is installed away from the described 4th
One end of bar and the 4th mounting rod are mounted on a temperature-sensing device away from one end of the 3rd mounting rod, described
First mounting rod, second mounting rod and the 3rd mounting rod are all connected to second buckle, and two described first
, respectively positioned at the both sides of first buckle, two second mounting rods are respectively positioned at the two of first buckle for mounting rod
Side, one end of the support bar is connected to first buckle, and the other end is connected to first mounting rod or second peace
Dress bar.
3. light fixture testing equipment calibrating installation according to claim 2, it is characterised in that first mounting rod, described
Second mounting rod, the 3rd mounting rod and/or the 4th mounting rod are expansion link.
4. light fixture testing equipment calibrating installation according to claim 1, it is characterised in that support frame as described above includes first
Support part, the second supporting part and connecting portion, the connecting portion connect first supporting part and second supporting part, described first
Hold be first supporting part away from one end of the connecting portion, second end is second supporting part away from the connection
The one end in portion, first supporting part and second supporting part extend towards the homonymy of the connecting portion.
5. light fixture testing equipment calibrating installation according to claim 2, it is characterised in that the light fixture testing equipment calibration
Device includes four support bars, and the other end of two support bars is connected to two first mounting rods, in addition two
The other end of the individual support bar is connected to two second mounting rods, and the two ends of the 3rd mounting rod connect respectively
In first buckle and second buckle.
6. light fixture testing equipment calibrating installation according to claim 2, it is characterised in that one end of the support bar can turn
First buckle is connected to dynamicly, and the other end is movably attached to first mounting rod or second mounting rod.
7. light fixture testing equipment calibrating installation according to claim 6, it is characterised in that first buckle includes first
Body and the first fixed part located at the first noumenon, one end of the support bar are connected to institute by first fixed part
State the first buckle；First buckle also includes the second fixed part located at the first noumenon, and the 3rd mounting rod passes through
Second fixed part is connected to first buckle；Second buckle includes the second body and located at second body
One end of 4th fixed part, first mounting rod or second mounting rod is connected to described by the 4th fixed part
Two buckles；Second buckle also includes the 5th fixed part located at second body, and the 3rd mounting rod is by described
5th fixed part is connected to second buckle.
8. light fixture testing equipment calibrating installation according to claim 7, it is characterised in that second fixed part includes circle
Arc portion, the light fixture testing equipment calibrating installation also includes buckling piece, and the 3rd mounting rod inserts second fixed part, institute
State buckling piece to be fixed with second fixed part, so as to the 3rd mounting rod is connected into first buckle.
9. light fixture testing equipment calibrating installation according to claim 7, it is characterised in that first buckle is two and half
Buckle is constituted, and the first noumenon includes two semicircular rings, and the two ends of each half buckle are provided with the 3rd fixed part, two
3rd fixed part connection composition first buckle of individual half buckle；Second buckle can be two and half buckle groups
Include two semicircular rings into, the second body, the two ends of each half buckle are provided with the 6th fixed part, two half buckles
6th fixed part connection composition second buckle.
10. light fixture testing equipment calibrating installation according to claim 1, it is characterised in that the light fixture testing equipment school
Standard apparatus also include locating rod, and the two ends of the locating rod connect first buckle and second buckle respectively, so as to limit
The relative position of fixed first buckle and second buckle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621399094.5U CN206311240U (en) | 2016-12-19 | 2016-12-19 | Light fixture testing equipment calibrating installation |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621399094.5U CN206311240U (en) | 2016-12-19 | 2016-12-19 | Light fixture testing equipment calibrating installation |
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| CN206311240U true CN206311240U (en) | 2017-07-07 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106595906A (en) * | 2016-12-19 | 2017-04-26 | 广电计量检测（成都）有限公司 | Lamp detection equipment calibration device and method |
-
2016
- 2016-12-19 CN CN201621399094.5U patent/CN206311240U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106595906A (en) * | 2016-12-19 | 2017-04-26 | 广电计量检测（成都）有限公司 | Lamp detection equipment calibration device and method |
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Address after: 611731 1-6, building 3, No.9, Wuke East Third Road, Wuhou New Town Management Committee, Wuhou District, Chengdu City, Sichuan Province Patentee after: GRG METROLOGY & TEST (CHENGDU) CO.,LTD. Patentee after: Radio and TV Measurement and Testing Group Co.,Ltd. Address before: 611731 1-6, building 3, No.9, Wuke East Third Road, Wuhou New Town Management Committee, Wuhou District, Chengdu City, Sichuan Province Patentee before: GRG METROLOGY & TEST (CHENGDU) CO.,LTD. Patentee before: GUANGZHOU GRG METROLOGY & TEST Co.,Ltd. |
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| CP01 | Change in the name or title of a patent holder |