CN206377525U - A kind of lighting device for anechoic chamber, - Google Patents
A kind of lighting device for anechoic chamber, Download PDFInfo
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- CN206377525U CN206377525U CN201621165817.5U CN201621165817U CN206377525U CN 206377525 U CN206377525 U CN 206377525U CN 201621165817 U CN201621165817 U CN 201621165817U CN 206377525 U CN206377525 U CN 206377525U
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- anechoic chamber
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Abstract
The utility model provides a kind of lighting device for anechoic chamber, including LED light group, drive module, and the first screening arrangement, the secondary shielding device being arranged in anechoic chamber,；Wherein, the LED light group is arranged in first screening arrangement, the side panel of first screening arrangement is printing opacity shielding panel, the drive module setting is in the secondary shielding device, the output end of the drive module is connected with the LED light group, and the input of the drive module is connected with the power supply module of the anechoic chamber,；A kind of lighting device for anechoic chamber, provided by the utility model can be placed in anechoic chamber, and use, and easy for installation, electromagnetic interference degree is low, anti-electromagnetic interference capability is strong, heat radiation is few, simple in construction, service life is long.
Description
Technical field
The utility model is related to electromagnetic compatibility test field, more particularly to a kind of lighting device for anechoic chamber,.
Background technology
Electromagnetic compatibility test requires that equipment or system meet service requirement in its electromagnetic environment, and not in environment
Any equipment produces intolerable electromagnetic interference, therefore generally electromagnetic compatibility test needs to carry out in anechoic chamber,.
Anechoic chamber, is the important test site for measuring Device under test radiation interference and radiation immunity, is mainly used in reducing
Interference of the external electromagnetic ripple signal to test signal, therefore, to the electromagnetic interference caused by its lighting device and electric supply installation etc.
It is required that higher.At present, most anechoic chamber,s are using Halogen lamp LED or Metal halogen lamp etc. as illuminator, and both light fixtures all have
Have the shortcomings that short life, caloric value are big, brightness is low, pneumatic latency is long.Therefore, how to provide that a kind of long lifespan, energy consumption be low, brightness
Greatly, the small lighting device of caloric value or system are those skilled in the art's technical problems urgently to be resolved hurrily.
Utility model content
The purpose of this utility model is to overcome prior art deficiency there is provided a kind of lighting device for anechoic chamber,
With electromagnetic interference degree is low, heat radiation is few, simple in construction, long lifespan and the low feature of cost.
The utility model uses following technical scheme to achieve the above object：
A kind of lighting device for anechoic chamber, including LED light group, drive module, and be arranged in anechoic chamber,
First screening arrangement, secondary shielding device；
Wherein, the LED light group is arranged in first screening arrangement, and the side panel of first screening arrangement is
Printing opacity shielding panel, the drive module setting in the secondary shielding device, the output end of the drive module with it is described
LED light group is connected, and the input of the drive module is connected with the power supply module of the anechoic chamber,.
In the embodiment of the utility model one, a kind of lighting device for anechoic chamber, also includes main control module,
The first optical-electric module being connected with main control module, be connected with the first optical-electric module and the second optical-electric module；Wherein, described second
Control end of the optical-electric module also with the drive module is connected；
The main control module is used for the output voltage and/or mode of operation for controlling the drive module, to control the LED
The brightness of lamp group and/or color.
In the embodiment of the utility model one, a kind of lighting device for anechoic chamber, also includes being used to drive the
The head of one screening arrangement motion；
In the embodiment of the utility model one, the head includes support, cradle head control module, motor, the 3rd photoelectricity mould
Block and the 3rd screening arrangement；
First screening arrangement is set on the bracket, and the control end of the cradle head control module passes through the described 3rd
Optical-electric module and first optical-electric module are connected with the main control module, output end and the electricity of the cradle head control module
The input of machine is connected, and the cradle head control module, motor and the 3rd optical-electric module are arranged on the 3rd screening arrangement
It is interior；
The motor is used to drive the support motion, and the cradle head control module is used for the rotation for controlling the motor.
In the embodiment of the utility model one, the motor includes horizontal motor and/or motor vertical；The cradle head control
The output end of module is connected with the input of the horizontal motor and/or the motor vertical；
The horizontal motor drives the support to be horizontally rotated around vertical line by the first transmission device；The motor vertical
The support is driven to do pitch motion by the second transmission device.
Optionally, in the embodiment of the utility model one, the head also includes the first spacing module and the second spacing mould
Block；The first spacing module is serially connected in the circuit pathways between the horizontal motor and the cradle head control module, described
Second spacing module is serially connected in the circuit pathways between the motor vertical and the cradle head control module, and first limit
Position module and the second spacing module are in the normally off；
When the horizontal motor drives the support excessively to rotate, the first spacing module disconnects, and makes the level
Open circuit between motor and the cradle head control module；
When the motor vertical drives the support excessively to bow or face upward, the second spacing module disconnects, and makes described hang down
Straight open circuit between motor and the cradle head control module.
Screening arrangement is in the embodiment of the utility model one, and first screening arrangement is arranged on portable rack.
In the embodiment of the utility model one, the head is arranged on portable rack.
In the embodiment of the utility model one, the portable rack is arranged in anechoic chamber,.
In the embodiment of the utility model one, the secondary shielding device is arranged on the ground of anechoic chamber,.
The beneficial effects of the utility model：
First, anechoic chamber, lighting device provided by the utility model uses LED light group as light source, solve existing
In technology, the problems such as light source life is short, brightness is low, caloric value is big；And by rational module placement and various shielding measures, protect
Card lamp group and its drive module will not cause extra electromagnetic interference to anechoic chamber, and can bear the electricity of high intensity in darkroom
Magnetic radiation environment.
Second, anechoic chamber, lighting device provided by the utility model can also by darkroom outside master control module controls
Its brightness, color, irradiating angle etc., situation about can preferably be observed in darkroom in test so as to tester.
Brief description of the drawings
Fig. 1 be the utility model first embodiment in a kind of lighting device for anechoic chamber, structural representation；
Fig. 2 be the utility model second embodiment in a kind of lighting device for anechoic chamber, structural representation；
Fig. 3 is the structural representation of included head in the utility model 3rd embodiment；
Fig. 4 be the utility model 3rd embodiment in a kind of lighting device for anechoic chamber, structural representation.
Embodiment
Below in conjunction with the accompanying drawings and specific embodiment is described further to the utility model, illustrative examples therein
And illustrate only to be used for explaining the utility model, but be not intended as limiting of the present utility model.
In the utility model first embodiment, as shown in figure 1, provided by the utility model a kind of for anechoic chamber,
Lighting device include LED light group 10, the first screening arrangement 20, secondary shielding device 30, drive module 40；
Wherein, the LED light group 10 is arranged in the first screening arrangement 20, and the side panel of the first screening arrangement 20 is
Light shield panel 21, the input of LED light group 10 is connected by shielded cable with the output end of drive module 40, drive module 40
Input be connected with the power module of anechoic chamber, drive module 40 is placed in the secondary shielding device 30；
Wherein, to include electro-conductive glass, wire glass, or other skilled in the art conventional for the printing opacity shielding panel 21
, can be achieved equivalent effect light transmissive material；The LED light group 10 include LED lamp panel, LED light bar or other by one or many
The illumination module of individual LED encapsulation.
It is preferred that, the light-emitting area of LED light group 10 is towards printing opacity shielding panel 21.
Further, as shown in Fig. 2 in the utility model second embodiment, one kind provided by the utility model is used
Also include the first optical-electric module 60, the second optical-electric module 50 and main control module 70 in the lighting device of anechoic chamber,；
Wherein, the first optical-electric module 60 and main control module 70 are arranged on outside anechoic chamber, and the second optical-electric module 50 is arranged on
In secondary shielding device 30；The control end of drive module 40 is connected with one end of the second optical-electric module 50, the second optical-electric module 50
The other end be connected with one end of the first optical-electric module 60, the other end of the first optical-electric module 60 is connected with main control module 70；It is main
Control module 70 is used to generate control instruction, and the control instruction is sent out by the first optical-electric module 60 and the second optical-electric module 50
It is sent in drive module 40, to control the output voltage and/or mode of operation of drive module 40, further controls LED light group
10 brightness and/or color.
In the utility model 3rd embodiment, a kind of lighting device for anechoic chamber, provided by the utility model
Also include head 80, as shown in figure 3, head 80 include support 81, the 3rd screening arrangement 82, horizontal motor 83, motor vertical 84,
The optical-electric module 87 of cradle head control module 85 and the 3rd；
Wherein, horizontal motor 83 drives support 81 to be horizontally rotated around vertical line by the first transmission device, motor vertical 84
The input and cloud of pitch motion, horizontal motor 83 and motor vertical 84 are done by the second transmission device 86 drive support 81
The output end of platform control module 85 is connected, and the output end of cradle head control module 85 is connected with one end of the 3rd optical-electric module 87, the
The other end of three optical-electric modules 87 is connected with the first optical-electric module 60；
Wherein, second transmission device 86 can use worm screw, or other skilled in the art commonly use, can be achieved it is same
And other effects device；First transmission device can be driven using well known to those skilled in the art, conventional horizontal motor
Structure, therefore be not described in detail.
Optionally, head 80 also includes the first spacing module and the second spacing module；Wherein, the described first spacing module string
It is connected in the circuit pathways between the horizontal motor and the cradle head control module, the second spacing module is serially connected in described
In circuit pathways between motor vertical and the cradle head control module, and the first spacing module and the second spacing module are equal
In the normally off.
Specifically, the first spacing module and the second spacing module are switched including some mechanical reeds；
When the horizontal motor 83 drives the support 81 excessively rotation, the first spacing module disconnects, and makes described
Open circuit between horizontal motor 83 and the cradle head control module 85；
When the motor vertical 84 drives the support 81 excessively to bow or face upward, the second spacing module disconnects, and makes institute
State the open circuit between motor vertical 84 and the cradle head control module 85.
In the utility model 3rd embodiment, as shown in figure 4, head 80 is arranged at the top of anechoic chamber, the first shielding
Device 20 is fixed on the support 81 of head 80, and secondary shielding device 30 is arranged on the ground of anechoic chamber, and LED light group 10 is led to
Cross shielded cable with drive module 40 to be connected, the second optical-electric module 50 and the 3rd optical-electric module 87 pass through optical fiber and the first photoelectricity mould
Block 60 is connected.
By taking the utility model 3rd embodiment as an example, it is provided with a concrete application scene, at the top of anechoic chamber, many
The individual lighting device provided by the utility model for anechoic chamber, wherein, all main control modules 70 be integrated in one it is upper
In machine, all first screening arrangements 20, screen of the screening arrangement 82 of secondary shielding device 30 and the 3rd to be made up of shielding material
Cover shell；
In test, when needing to adjust the brightness of LED light group 10 and/or during color, tester is by host computer to each
The individual input of main control module 70 controlling on lamp group instruction, main control module 70 is according to controlling on lamp group instruction generation controlling on lamp group telecommunications
Number, and be sent in the first optical-electric module 60, the controlling on lamp group electric signal is converted into controlling on lamp group light by the first optical-electric module
Signal, and the second optical-electric module 50 is sent to, the controlling on lamp group optical signal received is again converted into by the second optical-electric module 50
Controlling on lamp group electric signal, and be sent in drive module 40, drive module 40 is adjusted according to the controlling on lamp group electric signal received
Output voltage and/or working method, to control brightness and/or the color of LED light group.
It is that tester is by host computer to each main control module when needing the light angle to LED light group to be adjusted
70 input cradle head control instructions, main control module 70 is sent to according to cradle head control instruction generation cradle head control electric signal
In first optical-electric module 60, the cradle head control electric signal is converted into cradle head control optical signal by the first optical-electric module, and is sent
To the 3rd optical-electric module 87, the cradle head control optical signal received is again converted into cradle head control telecommunications by the 3rd optical-electric module 87
Number, and be sent in cradle head control module 85, cradle head control module 85 is generated according to the cradle head control electric signal received to be rotated
Adjust instruction and/or pitching adjust instruction, and be separately sent in horizontal motor 83 and/or motor vertical 84, horizontal motor 83
Support 81 is driven to be horizontally rotated around vertical line according to the rotation adjust instruction received, motor vertical 84 is according to the pitching received
Adjust instruction drives support 81 to do pitch motion.
It is understood that the top of first screening arrangement or the head except being arranged on anechoic chamber, may be used also
It is arranged on other optional positions of anechoic chamber, setting position of the utility model for first screening arrangement or the head
Put and be not limited.
In the utility model another embodiment, first screening arrangement 20 or the head 80 are arranged on portable
On formula support, the portable rack can be placed on the testing stand of anechoic chamber, or near test zone；It is described portable
Support is conventional movable supporting frame, such as tripod.
Obviously, above-described embodiment is used for the purpose of clearer expression technical solutions of the utility model example, and
The non-restriction to the utility model embodiment.To those skilled in the art, on the basis of the above description can be with
Make other changes in different forms, without departing from the concept of the premise utility, these belong to this practicality
New protection domain.Therefore the protection domain of the utility model patent should be determined by the appended claims.
Claims (9)
1. a kind of lighting device for anechoic chamber, it is characterised in that including LED light group, drive module, and be arranged on electric wave
The first screening arrangement, secondary shielding device in darkroom；
Wherein, the LED light group is arranged in first screening arrangement, and the side panel of first screening arrangement is printing opacity
Shielding panel, the drive module setting is in the secondary shielding device, the output end of the drive module and the LED
Group is connected, and the input of the drive module is connected with the power supply module of the anechoic chamber,.
2. a kind of lighting device for anechoic chamber, as claimed in claim 1, it is characterised in that also including main control module,
The first optical-electric module being connected with main control module, be connected with the first optical-electric module and the second optical-electric module；Wherein, described second
Control end of the optical-electric module also with the drive module is connected；
The main control module is used for the output voltage and/or mode of operation for controlling the drive module.
3. a kind of lighting device for anechoic chamber, as claimed in claim 2, it is characterised in that also including for drive the
The head of one screening arrangement motion.
4. a kind of lighting device for anechoic chamber, as claimed in claim 3, it is characterised in that the head includes branch
Frame, cradle head control module, motor, the 3rd optical-electric module and the 3rd screening arrangement；First screening arrangement is arranged on the branch
On frame, the control end of the cradle head control module passes through the 3rd optical-electric module and first optical-electric module and the master control
Module is connected, and the output end of the cradle head control module is connected with the input of the motor, the cradle head control module, motor
And the 3rd optical-electric module is arranged in the 3rd screening arrangement；
The motor is used to drive the support motion, and the cradle head control module is used for the rotation for controlling the motor.
5. a kind of lighting device for anechoic chamber, as claimed in claim 4, it is characterised in that the motor includes level
Motor and/or motor vertical；The output end of the cradle head control module and the horizontal motor and/or the motor vertical it is defeated
Enter end to be connected；
The horizontal motor drives the support to be horizontally rotated around vertical line by the first transmission device；
The motor vertical drives the support to do pitch motion by the second transmission device.
6. a kind of lighting device for anechoic chamber, as claimed in claim 5, it is characterised in that the head is also including the
One spacing module and the second spacing module；The first spacing module is serially connected in the horizontal motor and the cradle head control module
Between circuit pathways on, the second spacing module is serially connected in the electricity between the motor vertical and the cradle head control module
On the path of road, and the first spacing module and the second spacing module are in normally off；
It is described when the horizontal motor and/or the motor vertical drive the support excessively rotation and/or excessively bow or face upward
First spacing module and/or the second spacing module disconnect.
7. a kind of lighting device for anechoic chamber, as described in any in claim 3-6, it is characterised in that the head
It is arranged on portable rack.
8. a kind of lighting device for anechoic chamber, as claimed in claim 1 or 2, it is characterised in that first shielding
Device is arranged on portable rack.
9. a kind of lighting device for anechoic chamber, as claimed in claim 1, it is characterised in that the secondary shielding device
It is arranged on the ground of anechoic chamber,.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621165817.5U CN206377525U (en) | 2016-10-26 | 2016-10-26 | A kind of lighting device for anechoic chamber, |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621165817.5U CN206377525U (en) | 2016-10-26 | 2016-10-26 | A kind of lighting device for anechoic chamber, |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206377525U true CN206377525U (en) | 2017-08-04 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621165817.5U Active CN206377525U (en) | 2016-10-26 | 2016-10-26 | A kind of lighting device for anechoic chamber, |
Country Status (1)
| Country | Link |
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| CN (1) | CN206377525U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106247231A (en) * | 2016-10-26 | 2016-12-21 | 广州市诚臻电子科技有限公司 | A kind of illuminator for anechoic chamber, |
-
2016
- 2016-10-26 CN CN201621165817.5U patent/CN206377525U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106247231A (en) * | 2016-10-26 | 2016-12-21 | 广州市诚臻电子科技有限公司 | A kind of illuminator for anechoic chamber, |
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