CN109630990A - A kind of microwave induced driving structure - Google Patents
A kind of microwave induced driving structure Download PDFInfo
- Publication number
- CN109630990A CN109630990A CN201910091215.1A CN201910091215A CN109630990A CN 109630990 A CN109630990 A CN 109630990A CN 201910091215 A CN201910091215 A CN 201910091215A CN 109630990 A CN109630990 A CN 109630990A
- Authority
- CN
- China
- Prior art keywords
- cover
- microwave
- led driver
- microwave module
- driving structure
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
- F21V23/00—Arrangement of electric circuit elements in or on lighting devices
- F21V23/04—Arrangement of electric circuit elements in or on lighting devices the elements being switches
- F21V23/0442—Arrangement of electric circuit elements in or on lighting devices the elements being switches activated by means of a sensor, e.g. motion or photodetectors
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
- H05B45/00—Circuit arrangements for operating light-emitting diodes [LED]
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21Y—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO THE FORM OR THE KIND OF THE LIGHT SOURCES OR OF THE COLOUR OF THE LIGHT EMITTED
- F21Y2115/00—Light-generating elements of semiconductor light sources
- F21Y2115/10—Light-emitting diodes [LED]
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Shielding Devices Or Components To Electric Or Magnetic Fields (AREA)
Abstract
The present invention relates to a kind of microwave induced driving structures, including main body, the control panel being arranged in the installation cavity, microwave module, LED driver, the first cover and the second cover；The control panel is electrically connected with the LED driver；The microwave module is electrically connected with the LED driver；The high frequency spurs signal shielding that first cover is used to generate when LED driver works is in the space that the first cover is enclosed；Second cover is used to obstruct the installation region that extraneous high frequency spurs signal enters the microwave module.The present invention while can effectively reduce the interference of the high frequency spurs signal that generates when LED driver work to microwave module, prevents LED driver circuit short-circuit by shielding microwave module and LED driver respectively.Actual test shows that, using the lamps and lanterns after shielding design, the distance of reaction of microwave module can be improved one to twice, and overcome the malfunction of inductor completely, passes through the requirement of EMC testing standard.
Description
Technical field
The present invention relates to detect and control field more particularly to a kind of microwave induced driving structure automatically.
Background technique
In recent years, microwave sensor is widely used in fields such as Lighting control, gate, security protections.Microwave remote sensor is main
It is made of microwave oscillator and microwave antenna.Microwave oscillator is the device for generating microwave.The oscillation generated by microwave oscillator
Signal is launched by microwave antenna.The structure and shape of microwave antenna determine direction and the covering model of microwave signal transmitting
It encloses.The microwave issued by transmitting antenna, will be absorbed or reflected when encountering testee.Testee is received using receiving antenna
Reflected microwave signal, then be mixed with oscillator signal, just produce an intermediate-freuqncy signal.
According to doppler principle, the frequency of this intermediate-freuqncy signal contains the velocity information of mobile object, and intermediate-freuqncy signal
Amplitude then contain the range information of mobile object and microwave sensor.Intermediate-freuqncy signal comprising human body actual induction signal,
It is easy to be distorted by external environmental interference (especially air interference), influences induction sensitivity and accuracy, be limitation
The key factor of microwave sensor performance indicator.
LED drive power in especially microwave induced lamp generates in circuit since it uses switching circuit to design
High frequency spurs make microwave sensor be interfered by Space Coupling, and reasons for its use noise is by the received people of microwave sensor
Body signal floods, and causes sensitivity decrease, or even cause malfunction, is unable to satisfy the requirement of EMC testing standard.
Summary of the invention
It is an object of the invention to overcome shortcoming and defect in the prior art, a kind of microwave induced driving knot is provided
Structure.
The present invention is achieved by the following technical solutions: a kind of microwave induced driving structure, including main body, control panel,
Microwave module and LED driver；An installation cavity is equipped in the main body, the control panel, microwave module and LED driver are all provided with
It sets in the installation cavity；The control panel is electrically connected with the LED driver；The microwave module and the LED driver
Electrical connection, further includes:
First cover, which is arranged in the installation cavity and surrounds the LED driver, for driving LED
The high frequency spurs signal shielding generated when dynamic device work is in the space that the first cover is enclosed；With
Second cover, which is arranged in the installation cavity and partially surrounds the microwave module, for obstructing
Extraneous high frequency spurs signal enters the installation region of the microwave module.
Compared with the existing technology, the present invention can effectively reduce LED by shielding microwave module and LED driver respectively
Interference of the high frequency spurs signal that driver generates when working to microwave module.Actual test shows using after shielding design
Lamps and lanterns, the distance of reaction of microwave module can be improved one to twice, and overcome the malfunction of inductor completely, pass through
The requirement of EMC testing standard.
Further, first cover is lamination layer structure, is made of outer layer cover and internal layer cover.
Further, the outer layer cover is metal material.
By the way that metal outer cover, the high frequency spurs that maskable LED driver generates when working are arranged.
Further, the internal layer cover is plastic material.
By the way that inner plastic cover is arranged, using plastic insulation characteristic, to prevent LED driver circuit short-circuit.
Further, the internal layer cover material is PC or ABS.
Further, the adjusted device for adjusting microwave module induction direction is equipped in second cover；The tuning machine
The output end of structure is connect with the microwave sensor.
Further, the adjusted device includes fixed frame and tuning knob；The both ends of the fixed frame are equipped with pin shaft, the pin
Axis is horizontally interspersed on the side wall of the main body, and rotate fixed frame can around the central axes of pin shaft；The tuning knob is set
It sets in the outside of main body, and is fixedly connected with the pin shaft of described fixed frame one end；The microwave module is fixed on the fixed frame
On.
By adjust adjusted device, microwave module can be directed at suitable direction, further increase its induction sensitivity and
Accuracy.
Detailed description of the invention
Fig. 1 is a kind of decomposition diagram of microwave induced driving structure of the present invention；
Fig. 2 is a kind of partial schematic diagram of microwave induced driving structure of the present invention.
In figure: 10, main body；11, installation cavity；20, control panel；30, microwave module；40, LED driver；50, the first cover
Body；51, outer layer cover；52, internal layer cover；60, the second cover；70, fixed frame；71, pin shaft.
Specific embodiment
Please refer to Fig. 1 and Fig. 2, a kind of microwave induced driving structure of the present embodiment, including it is main body 10, control panel 20, micro-
Wave module 30, LED driver 40, the first cover 50 and the second cover 60；An installation cavity 11, the control are equipped in the main body 10
Making sheet 20, microwave module 30, LED driver 40, the first cover 50 and the second cover 60 are arranged in the installation cavity 11；Institute
Control panel 20 is stated to be electrically connected with the LED driver 40；The microwave module 30 is electrically connected with the LED driver 40；It is described
First cover 50 is arranged in the installation cavity 11 and surrounds the LED driver 40, produces when for LED driver 40 to work
Raw high frequency spurs signal shielding is in the space that the first cover 50 is enclosed；Second cover 60 is arranged in the installation cavity
The microwave module 30 is surrounded in 11 and partially, the peace of the microwave module 30 is entered for obstructing extraneous high frequency spurs signal
Fill region.
Preferably, first cover 50 is lamination layer structure, is made of outer layer cover 51 and internal layer cover 52, and described
Outer layer cover 51 is metal material；The internal layer cover 52 is plastic material, can choose PC or ABS, the present embodiment it is preferable to use
PC material.
Preferably, the adjusted device that direction is incuded for adjusting microwave module 30 is equipped in second cover 60；It is described
Adjusted device includes fixed frame 70 and tuning knob (not shown)；The both ends of the fixed frame 70 are equipped with pin shaft 71, the pin shaft 71
It is horizontally interspersed on the side wall of the main body 10, and rotate fixed frame 70 can around the central axes of pin shaft 71；The tuning rotation
The outside of main body 10 is arranged in button, and is fixedly connected with the pin shaft 71 of described 70 one end of fixed frame；The microwave module 30 is fixed
On the fixed frame 70.
The working principle of the present embodiment:
By the metal outer cover 51 of the first cover 50 of setting, the high frequency spurs generated when LED driver 40 is worked
Signal shielding avoids the work of high frequency spurs signal interference microwave module 30 in the first cover 50；By the way that the first cover is arranged
50 inner plastic cover 52, using plastic insulation characteristic, to prevent 40 short circuit of LED driver；Pass through setting the simultaneously
Two covers 60 can be further reduced interference of the high frequency spurs signal of the generation of LED driver 40 to microwave module 30, decrease
Interference of the extraneous high frequency spurs signal to microwave module 30.
In addition, microwave module 30 can be directed at suitable direction by adjusting adjusted device, its induction spirit is further increased
Sensitivity and accuracy.
Compared with the existing technology, the present invention can effectively reduce LED by shielding microwave module and LED driver respectively
While the high frequency spurs signal that generates is to the interference of microwave module when driver works, prevent LED driver circuit short-circuit.It is real
Border test shows that, using the lamps and lanterns after shielding design, the distance of reaction of microwave module can be improved one to twice, and overcome completely
The malfunction of inductor passes through the requirement of EMC testing standard.
One embodiment of the present invention above described embodiment only expresses, the description thereof is more specific and detailed, but simultaneously
It cannot therefore be construed as limiting the scope of the patent.It should be pointed out that coming for those of ordinary skill in the art
It says, without departing from the inventive concept of the premise, various modifications and improvements can be made, these belong to protection of the invention
Range.
Claims (7)
1. a kind of microwave induced driving structure, including main body, control panel, microwave module and LED driver；It is equipped in the main body
One installation cavity, the control panel, microwave module and LED driver are arranged in the installation cavity；The control panel with it is described
LED driver electrical connection；The microwave module is electrically connected with the LED driver, it is characterised in that: further include:
First cover, first cover are arranged in the installation cavity and surround the LED driver, are used for LED driver
The high frequency spurs signal shielding generated when work is in the space that the first cover is enclosed；With
Second cover, which is arranged in the installation cavity and partially surrounds the microwave module, for obstructing the external world
High frequency spurs signal enter the microwave module installation region.
2. microwave induced driving structure according to claim 1, it is characterised in that: first cover is composite layer knot
Structure is made of outer layer cover and internal layer cover.
3. microwave induced driving structure according to claim 2, it is characterised in that: the outer layer cover is metal material.
4. microwave induced driving structure according to claim 2, it is characterised in that: the internal layer cover is plastic material.
5. microwave induced driving structure according to claim 4, it is characterised in that: the internal layer cover material be PC or
ABS。
6. microwave induced driving structure according to claim 1, it is characterised in that: be equipped in second cover for adjusting
The adjusted device in whole microwave module induction direction；The output end of the adjusted device is connect with the microwave sensor.
7. microwave induced driving structure according to claim 6, it is characterised in that: the adjusted device include fixed frame and
Tuning knob；The both ends of the fixed frame are equipped with pin shaft, which is horizontally interspersed on the side wall of the main body, and makes to fix
Frame can be rotated around the central axes of pin shaft；The outside of main body, and the pin shaft with described fixed frame one end is arranged in the tuning knob
It is fixedly connected；The microwave module is fixed on the fixed frame.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910091215.1A CN109630990A (en) | 2019-01-30 | 2019-01-30 | A kind of microwave induced driving structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910091215.1A CN109630990A (en) | 2019-01-30 | 2019-01-30 | A kind of microwave induced driving structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109630990A true CN109630990A (en) | 2019-04-16 |
Family
ID=66062867
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910091215.1A Pending CN109630990A (en) | 2019-01-30 | 2019-01-30 | A kind of microwave induced driving structure |
Country Status (1)
| Country | Link |
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| CN (1) | CN109630990A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112483955A (en) * | 2020-11-10 | 2021-03-12 | 厦门龙胜达照明电器有限公司 | Microwave induction lamp with shielding function |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203215470U (en) * | 2013-04-26 | 2013-09-25 | 宁波瑞宜乐灯饰有限公司 | LED sensing wall lamp |
| CN104041204A (en) * | 2012-02-03 | 2014-09-10 | 皇家飞利浦有限公司 | Lighting driver and housing having internal electromagnetic shielding layer configured for direct connection to circuit ground |
| CN204062929U (en) * | 2014-09-05 | 2014-12-31 | 宁波永和电子有限公司 | A kind of high sensitivity integrated microwave induction LED lamp |
| CN205261479U (en) * | 2015-12-23 | 2016-05-25 | 宁波市乐星感应电器有限公司 | Microwave induction lamp |
| CN206789682U (en) * | 2017-06-26 | 2017-12-22 | 宁波美必盛自动门有限公司 | Microwave sensor |
| CN108963457A (en) * | 2018-07-30 | 2018-12-07 | 佛山市富乐喜电子信息技术有限公司 | A kind of microwave remote sensor aerial angle regulating mechanism |
| CN209540827U (en) * | 2019-01-30 | 2019-10-25 | 广州市番禺奥莱照明电器有限公司 | A kind of microwave induced driving structure |
-
2019
- 2019-01-30 CN CN201910091215.1A patent/CN109630990A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104041204A (en) * | 2012-02-03 | 2014-09-10 | 皇家飞利浦有限公司 | Lighting driver and housing having internal electromagnetic shielding layer configured for direct connection to circuit ground |
| CN203215470U (en) * | 2013-04-26 | 2013-09-25 | 宁波瑞宜乐灯饰有限公司 | LED sensing wall lamp |
| CN204062929U (en) * | 2014-09-05 | 2014-12-31 | 宁波永和电子有限公司 | A kind of high sensitivity integrated microwave induction LED lamp |
| CN205261479U (en) * | 2015-12-23 | 2016-05-25 | 宁波市乐星感应电器有限公司 | Microwave induction lamp |
| CN206789682U (en) * | 2017-06-26 | 2017-12-22 | 宁波美必盛自动门有限公司 | Microwave sensor |
| CN108963457A (en) * | 2018-07-30 | 2018-12-07 | 佛山市富乐喜电子信息技术有限公司 | A kind of microwave remote sensor aerial angle regulating mechanism |
| CN209540827U (en) * | 2019-01-30 | 2019-10-25 | 广州市番禺奥莱照明电器有限公司 | A kind of microwave induced driving structure |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112483955A (en) * | 2020-11-10 | 2021-03-12 | 厦门龙胜达照明电器有限公司 | Microwave induction lamp with shielding function |
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