CN209689887U - Fire-fighting evacuation lamp surface brightness measuring system based on the method for equal effect - Google Patents
Fire-fighting evacuation lamp surface brightness measuring system based on the method for equal effect Download PDFInfo
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- CN209689887U CN209689887U CN201920566172.3U CN201920566172U CN209689887U CN 209689887 U CN209689887 U CN 209689887U CN 201920566172 U CN201920566172 U CN 201920566172U CN 209689887 U CN209689887 U CN 209689887U
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- fighting evacuation
- brightness
- evacuation lamp
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Abstract
The fire-fighting evacuation lamp surface brightness measuring system based on the method for equal effect that the utility model discloses a kind of, including imaging sensor, optical filter, maximum brightness datum mark, fire-fighting evacuation lamp, minimum brightness datum mark and PC image processing system, the optical filter is located in front of the camera lens of described image sensor and for being filtered to the light of described image sensor, the maximum brightness datum mark, the surface of minimum brightness datum mark and fire-fighting evacuation lamp is all in the same horizontal plane, described image sensor is used for the maximum brightness datum mark, minimum brightness datum mark and fire symbol lamp shoot and be electrically connected with the PC image processing system.The utility model measurement process is simple, production efficiency is higher, is not necessarily to periodic calibration and equipment price inexpensively.
Description
Technical field
The utility model relates to brightness measurement technical field, in particular to a kind of fire-fighting evacuation lamp surface based on the method for equal effect
Brightness measurement system.
Background technique
Fire-fighting evacuation lamp is mainly used for all kinds of buildings, as shopping mall, expo center, conference centre, museum,
Fire etc. is occurring for hospital, stadiums, large hotel, subway, airport, high-speed rail station, school, executive information systems etc.
When catastrophic emergency event, safer, accurate, rapid evacuation is provided for the evacuating personnel in building and is guided.Country is to fire-fighting
The production of evacuation lamp has strict requirements and national standard.This standard requirements needs to control to the surface brightness of fire-fighting evacuation lamp
The range of 50Lm~300Lm, enterprise, which produces, to be needed to detect the light-emitting area pattern on each lamps and lanterns.
Luminance meter on Vehicles Collected from Market be single-point type brightness measurement instrument mostly, cannot be on lamp luminescence surface
Each position measures simultaneously.Therefore the detection of lighting signs for urgent exits needs artificial eye to choose multiple most bright and most dark
Point, is then measured using instrument, and measurement process is complicated, and there are artificial factors to cause test not stringent, and there is production effect
The low problem of rate.There is relatively advanced surface brightness test equipment in the brightness measurement instrument of import, uses dedicated ccd image
Sensor, and stringent correction is carried out to sensor, and locked black-white balanec, aperture parameters etc..However, the brightness measurer
Although device efficiency is higher, there are problems that needing the disadvantage of periodic calibration and equipment price valuableness.
Utility model content
For above-mentioned defect existing in the prior art, the technical problem to be solved by the present invention is to provide one kind to be based on
It is complicated, raw to solve brightness measurement instrument measurement process in the prior art for the fire-fighting evacuation lamp surface brightness measuring system of the method for equal effect
The problem for producing low efficiency, needing periodic calibration and equipment price valuableness, measurement process is simple, production efficiency is higher, without regular
Calibration and equipment price inexpensively.
In order to solve the above-mentioned technical problem, the technical solution of the utility model is:
A kind of fire-fighting evacuation lamp surface brightness measuring system based on the method for equal effect, including imaging sensor, optical filter, highest
Luminance reference point, fire-fighting evacuation lamp, minimum brightness datum mark and PC image processing system, the optical filter are located at described image biography
It is the maximum brightness datum mark, minimum bright simultaneously for being filtered to the light of described image sensor in front of the camera lens of sensor
The surface of degree datum mark and fire-fighting evacuation lamp is all in the same horizontal plane, and described image sensor is used for the maximum brightness base
On schedule, minimum brightness datum mark and fire symbol lamp shoot and be electrically connected with the PC image processing system.
Preferably, described image sensor is ccd image sensor, and the PC image processing system is industrial computer.
Preferably, the maximum brightness datum mark and minimum brightness datum mark are adjustable reference light source.
Preferably, the fire-fighting evacuation lamp surface brightness measuring system further includes Switching Power Supply, described image sensor, most
High brightness datum mark, minimum brightness datum mark and PC image processing system are electrically connected with the Switching Power Supply.
Preferably, described image sensor is electrically connected by telecommunications outlet connector with the PC image processing system.
Preferably, the telecommunications outlet connector is RJ45 connector.
By adopting the above technical scheme, the fire-fighting evacuation lamp surface brightness provided by the utility model based on the method for equal effect measures system
It unites, the optical filter in the fire-fighting evacuation lamp surface brightness measuring system is located in front of the camera lens of imaging sensor, and maximum brightness
The surface of datum mark, minimum brightness datum mark and fire-fighting evacuation lamp is all in the same horizontal plane, by the imaging sensor to this
Maximum brightness datum mark, minimum brightness datum mark and fire symbol lamp are shot, and give the picture transfer of shooting to PC image
Processing system, can be by the brightness on the fire-fighting evacuation lamp surface for needing to measure and the maximum brightness datum mark and minimum brightness base
It is compared on schedule, show that region to be measured whether within reference range, and show whether the fire-fighting evacuation lamp closes the conclusion of rule,
National standard is met, has greatly improved production efficiency, and avoided that expensive import equipment has been used to measure, had measured
Journey is simple, and without periodic calibration and without cooperating dedicated ccd image sensor to use, equipment price is inexpensively.
Detailed description of the invention
Fig. 1 is the structural block diagram of fire-fighting evacuation lamp surface brightness measuring system of the utility model based on the method for equal effect；
Fig. 2 is the structural schematic diagram of fire-fighting evacuation lamp surface brightness measuring system of the utility model based on the method for equal effect；
Fig. 3 is that the first embodiment of fire-fighting evacuation lamp surface brightness measuring system of the utility model based on the method for equal effect is
System wiring diagram；
In figure, 1- maximum brightness datum mark, 2- minimum brightness datum mark, 3- optical filter, 4- imaging sensor, 5-PC image
Processing system, 6- fire-fighting evacuation lamp, 7- Switching Power Supply.
Specific embodiment
Specific embodiment of the present utility model is described further with reference to the accompanying drawing.It should be noted that
The explanation of these embodiments is used to help to understand the utility model, but does not constitute the restriction to the utility model.This
Outside, technical characteristic involved in the various embodiments of the present invention described below is as long as they do not conflict with each other
It can be combined with each other.
As shown in Figure 1, in the structural frames of fire-fighting evacuation lamp 6 surface brightness measuring system of the utility model based on the method for equal effect
In figure, which includes imaging sensor 4, optical filter 3, maximum brightness datum mark 1, disappears
Anti- evacuation lamp 6, minimum brightness datum mark 2 and PC image processing system 5, before which is located at the camera lens of the imaging sensor 4
Side simultaneously is used to be filtered the light of the imaging sensor 4, the maximum brightness datum mark 1, minimum brightness datum mark 2 and fire-fighting
The surface of evacuation lamp 6 is all in the same horizontal plane, which is used for the maximum brightness datum mark 1, minimum brightness base
On schedule 2 and fire symbol lamp carry out shoot and be electrically connected with the PC image processing system 5.It should be understood that the imaging sensor 4
For ccd image sensor 4, which is industrial computer；The maximum brightness datum mark 1 and minimum brightness benchmark
Point 2 is adjustable reference light source.
Specifically, Fig. 2 is that the structure of fire-fighting evacuation lamp 6 surface brightness measuring system of the utility model based on the method for equal effect is shown
It is intended to, in conjunction with Fig. 1, Fig. 2 and Fig. 3, which further includes Switching Power Supply 7, the image sensing
Device 4, maximum brightness datum mark, minimum brightness datum mark and PC image processing system 5 are electrically connected with the Switching Power Supply 7；The figure
As sensor 4 is electrically connected by telecommunications outlet connector with the PC image processing system 5.It is to be appreciated that the telecommunications outlet connects
Connecing device is RJ45 connector.The maximum brightness datum mark 1, minimum brightness datum mark 2 provide reference for the system, and with to
6 surface of fire-fighting evacuation lamp of survey is in same level；The optical filter 3 is located in front of the camera lens of ccd image sensor 4, into
The light for entering ccd image sensor 4 is filtered, and reduces the interference of extraneous light；The ccd image sensor 4 is simultaneously to highest
Luminance reference point 1, minimum brightness datum mark 2, fire-fighting evacuation lamp 6 to be measured are shot, and by the picture transfer of shooting to PC
Image processing system 5；The ccd image sensor 4 is non-dedicated equipment, can be analyzed by data and obtain the relatively bright of each point
Degree evidence, but by environment, the factors such as equipment influence, and can not obtain absolute brightness value；The PC image processing system 5 schemes CCD
As the picture of sensor 4 is split, maximum brightness datum mark 1, minimum brightness datum mark 2, fire symbol to be measured are obtained respectively
The relative luminance of lamp surface every bit, and by the relative luminance data and maximum brightness benchmark on 6 surface of fire-fighting evacuation lamp to be measured
Point 1, the relative luminance of minimum brightness datum mark 2 are compared, it can be deduced that whether region to be measured is in base on the fire-fighting evacuation lamp 6
Within the scope of standard.
It should be understood that the working principle for being somebody's turn to do the 6 surface brightness measuring system of fire-fighting evacuation lamp based on the method for equal effect includes: logical
It crosses the imaging sensor 4 to shoot the maximum brightness datum mark 1, minimum brightness datum mark 2 and fire symbol lamp, and will clap
The picture transfer taken the photograph, can be by the brightness and the highest on 6 surface of fire-fighting evacuation lamp for needing to measure to PC image processing system 5
Luminance reference point 1 and minimum brightness datum mark 2 are compared, and show that region to be measured whether within reference range, and obtains this
Whether fire-fighting evacuation lamp 6 closes the conclusion of rule, that is, has met national standard, greatly improves production efficiency, and avoids having used valuableness
Import equipment measure, measurement process is simple, without periodic calibration and without cooperating the dedicated ccd image sensor 4 to make
With required measuring device price is inexpensively.
It should be understood that the utility model is designed reasonably, construction is unique, and the utility model has used common ccd image
Sensor 4, and the brightness on 6 surface of fire-fighting evacuation lamp measured can will be needed to be compared with two datum marks, show that this disappears
Whether anti-evacuation 6 product of lamp closes the conclusion of rule, surface brightness measurement is carried out using equivalent comparison method, without cooperating dedicated CCD to scheme
As the use of sensor 4, high production efficiency.
The embodiments of the present invention is explained in detail in conjunction with attached drawing above, but the utility model is not limited to be retouched
The embodiment stated.For a person skilled in the art, right in the case where not departing from the utility model principle and spirit
These embodiments carry out a variety of change, modification, replacement and modification, still fall in the protection scope of the utility model.
Claims (6)
1. a kind of fire-fighting evacuation lamp surface brightness measuring system based on the method for equal effect, it is characterised in that: including imaging sensor, filter
Mating plate, maximum brightness datum mark, fire-fighting evacuation lamp, minimum brightness datum mark and PC image processing system, the optical filter are located at
In front of the camera lens of described image sensor and for being filtered to the light of described image sensor, the maximum brightness benchmark
The surface of point, minimum brightness datum mark and fire-fighting evacuation lamp is all in the same horizontal plane, and described image sensor is used for described
Maximum brightness datum mark, minimum brightness datum mark and fire symbol lamp shoot and be electrically connected with the PC image processing system
It connects.
2. the fire-fighting evacuation lamp surface brightness measuring system according to claim 1 based on the method for equal effect, it is characterised in that: institute
Stating imaging sensor is ccd image sensor, and the PC image processing system is industrial computer.
3. the fire-fighting evacuation lamp surface brightness measuring system according to claim 1 based on the method for equal effect, it is characterised in that: institute
It states maximum brightness datum mark and minimum brightness datum mark is adjustable reference light source.
4. the fire-fighting evacuation lamp surface brightness measuring system according to claim 1 based on the method for equal effect, it is characterised in that: also
Including Switching Power Supply, described image sensor, maximum brightness datum mark, minimum brightness datum mark and PC image processing system with
The Switching Power Supply electrical connection.
5. the fire-fighting evacuation lamp surface brightness measuring system according to claim 1 based on the method for equal effect, it is characterised in that: institute
Imaging sensor is stated to be electrically connected by telecommunications outlet connector with the PC image processing system.
6. the fire-fighting evacuation lamp surface brightness measuring system according to claim 5 based on the method for equal effect, it is characterised in that: institute
Stating telecommunications outlet connector is RJ45 connector.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920566172.3U CN209689887U (en) | 2019-04-23 | 2019-04-23 | Fire-fighting evacuation lamp surface brightness measuring system based on the method for equal effect |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920566172.3U CN209689887U (en) | 2019-04-23 | 2019-04-23 | Fire-fighting evacuation lamp surface brightness measuring system based on the method for equal effect |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209689887U true CN209689887U (en) | 2019-11-26 |
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ID=68608216
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920566172.3U Active CN209689887U (en) | 2019-04-23 | 2019-04-23 | Fire-fighting evacuation lamp surface brightness measuring system based on the method for equal effect |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209689887U (en) |
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2019
- 2019-04-23 CN CN201920566172.3U patent/CN209689887U/en active Active
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