CN209148545U - Reflective light transmittance measuring instrument - Google Patents
Reflective light transmittance measuring instrument Download PDFInfo
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- CN209148545U CN209148545U CN201822047556.2U CN201822047556U CN209148545U CN 209148545 U CN209148545 U CN 209148545U CN 201822047556 U CN201822047556 U CN 201822047556U CN 209148545 U CN209148545 U CN 209148545U
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- light transmittance
- light source
- measuring device
- measuring instrument
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Abstract
The utility model discloses a kind of reflective light transmittance measuring instruments, it is related to light transmittance instrument technical field, including host and reflector, display screen is arranged in host front end, setting measuring device and circuit module inside host, light source transmitting probe is arranged in measuring device one end, convex lens is arranged in the other end, loophole is set on host, convex lens is located at light transmission hole location, half-reflecting half mirror is set in measuring device, and sensor receiving transducer is arranged between light source transmitting probe and convex lens in half-reflecting half mirror in measuring device.The prior art is compared, the utility model has the beneficial effects that: light source transmitting probe and sensor receiving transducer are located at the same side of measured object, it is easy to use without carrying out same axes alignment.
Description
Technical field
The utility model relates to light transmittance instrument technical field, in particular to a kind of reflective light transmittance measuring instrument.
Background technique
Light can generate loss when through sample, i.e., be less than forever across the transmitted light flux of sample and be irradiated on sample
Incident flux.Ratio between two is indicated with percentage, is defined as light transmittance in the world.Light transmittance instrument is for detecting article
Light transmittance instrument, light transmittance instrument can be applied to: the unemployed scene such as automobile manufacture and detection, glassware, aerospace
Measurement, glasses, sunglasses, the light transmittance measurement of preventing coating protection film, the light transmittance measurement of plastic products, transparent or semitransparent material
Light transmittance measurement etc..
Currently, it is light source transmitting probe that existing luminous transmittance measuring, which is side, on the market, the other side is sensor receiving transducer,
It is measured using correlation, requires two sides on the same axis when measurement, be otherwise easy to produce data deviation, it is inconvenient to use.
Summary of the invention
To solve deficiency in the prior art, the utility model provides a kind of reflective light transmittance measuring instrument, light source transmitting
Probe is located at the same side of measured object with sensor receiving transducer, easy to use without carrying out same axes alignment.
In order to achieve the above object, the utility model adopts the following technical solutions: a kind of reflective light transmittance measuring instrument, including
Display screen, setting measuring device and circuit module inside the host, the survey is arranged in host and reflector, the host front end
It measures device one end and light source transmitting probe is set, the other end is arranged convex lens, loophole, the convex lens position is arranged on the host
In being arranged half-reflecting half mirror on light transmission hole location, the measuring device, the half-reflecting half mirror be located at light source transmitting probe and
Between convex lens, sensor receiving transducer is set in the measuring device.
It is obliquely installed between the measuring device and host.
The sensor receiving transducer is silicon photocell.
The normal of the sensor receiving transducer is vertical with the normal of light source transmitting probe, the half-reflecting half mirror and light source
The angle and half-reflecting half mirror of transmitting probe and the angle of sensor receiving transducer normal are 45 °.
The magnet being mutually attracted is arranged in the host and the opposite side of reflector.
The reflector is white reflection plate, and reflective back is black.
It further include the rechargeable battery for powering to light source transmitting probe.
Charging jack is set on the host, and the charging jack is electrically connected with rechargeable battery.
The prior art is compared, the utility model has the beneficial effects that:
1, the utility model measuring device is located inside host, and light source transmitting probe and sensor receiving transducer are positioned at tested
The same side of object, the other side use reflector, and the light that need to only project all is beaten in reflector, without carrying out same axle center pair
Standard, it is flexible and convenient to use.
2, it is obliquely installed between measuring device and host, sensor receiving transducer is made to avoid the specular light on board under test
The interference of line, leaves behind retroreflective light, and the side so that light source and sensor coexist avoids original luminous transmittance measuring
Out-of-alignment situation when light source and sensor distribution two sides measurement.
3, the magnet being mutually attracted is arranged in host and the opposite side of reflector, convenient when in use by host and reflector
It is pulled together, and be capable of fixing residence to need measurement plate, it is easy to use.
Detailed description of the invention
Attached drawing 1 is the utility model main machine structure schematic diagram；
Attached drawing 2 is the utility model stagewise cutaway view figure structure schematic representation.
Label shown in attached drawing: 1, host；2, reflector；3, display screen；4, measuring device；5, light source transmitting probe；6,
Convex lens；7, loophole；8, half-reflecting half mirror；9, sensor receiving transducer；10, charging jack；11, it switchs.
Specific embodiment
With reference to the drawings and specific embodiments, the utility model is described in further detail.It should be understood that these embodiments are only used for
Illustrate the utility model rather than limitation the scope of the utility model.In addition, it should also be understood that, having read the utility model instruction
Content after, those skilled in the art can make various changes or modifications the utility model, and such equivalent forms are equally fallen
In range defined herein.
Display screen 3 is arranged in a kind of reflective light transmittance measuring instrument, including host 1 and reflector 2,1 front end of host, shows
Display screen is for showing measurement result.Measuring device 4 and circuit module are set inside the host 1.Wherein circuit module is existing
Technology, it is identical as existing light transmittance measuring instrument circuit module, including attenuated optical signal amplifying circuit, light transmittance counting circuit.Institute
4 one end of measuring device setting light source transmitting probe 5 is stated, light source transmitting probe is LED light emitting device, and convex lens 6 is arranged in the other end,
Loophole 7 is set on the host 1, and the convex lens 6 is located at 7 position of loophole, setting half anti-half in the measuring device 4
Sensor is arranged in the measuring device 4 between light source transmitting probe 5 and convex lens 6 in lens 8, the half-reflecting half mirror 8
Receiving transducer 9.Measuring device 4 includes ontology, and cavity is arranged in body interior, and light source transmitting probe is located at ontology one end, and ontology is another
End cap is detachably arranged in one end, and convex lens is fixed on the body by end cap, and half-reflecting half mirror is fixed on ontology sky by card slot
Intracavitary portion, sensor receiving transducer are fixed on inside Body Lumen.In the present apparatus, light source transmitting probe and sensor receiving transducer
It is not coaxial when avoiding original luminous transmittance measuring light source transmitting probe with sensor receiving transducer distribution two sides measurement positioned at the same side
Situation, it is easy to use.
Present apparatus working principle are as follows: when measurement, host and reflector docking, the light that light source transmitting probe issues, all instead
It being mapped on sensor receiving transducer, board under test is put between host and reflector by light intensity at this time as 100% light transmittance,
Light source transmitting probe emits beam, and light is irradiated on board under test by half-reflecting half mirror, convex lens, and then light is by reflection
Plate, convex lens, half-reflecting half mirror are irradiated on sensor receiving transducer, and signal is passed to circuit mould by sensor receiving transducer
Block, circuit module calculate transmittance values after calculating processing of circuit by light transmittance, are then shown by display screen.
It as optimization, is obliquely installed between the measuring device 4 and host 1, the light for avoiding light source transmitting probe from issuing
Specular light is generated when impinging upon plate surface to be measured, leaves behind retroreflective light, so that specular light be avoided to interfere sensor
Receiving transducer measurement data.
Wherein, it can be photosensitive sensors that sensor, which receives probe, and sensor receiving transducer 9 is silicon light in the present embodiment
Battery, silicon photocell are directly to convert optical energy into electric energy, and the photogenerated current of silicon photocell is directly proportional to light intensity, passes through photoproduction
Light intensity can be obtained in electric current, easy to use.
Further, the normal of the sensor receiving transducer 9 is vertical with the normal of light source transmitting probe 5, and described half is anti-
Pellicle mirror 8 and the angle and half-reflecting half mirror 8 and the angle of 9 normal of sensor receiving transducer of 5 normal of light source transmitting probe are equal
It is 45 °, so that the light reflected is all irradiated on sensor receiving transducer, improve the precision of the present apparatus.
As optimization, the host 1 and the opposite side of reflector 2 are arranged the magnet being mutually attracted, it is convenient when in use
Host and reflector are pulled together, and be capable of fixing residence to need measurement plate, it is easy to use.
As optimization, the reflector 2 is white reflection plate, and 2 back side of reflector is black, is emitted on reflector
Light source by inject direction opposite direction be reflected on sensor receiving transducer, improve the accuracy of measurement.
The present apparatus further includes the rechargeable battery for powering to light source transmitting probe 5, and setting charging is inserted on the host 1
Mouth 10, the socket 10 that fills is electrically connected with rechargeable battery, uses rechargeable battery for present apparatus power supply, not by the control of power supply line
System, it is more convenient to use, and the switch 11 of control present apparatus power supply.
Claims (8)
1. a kind of reflective light transmittance measuring instrument, it is characterised in that: including host (1) and reflector (2), before the host (1)
End setting display screen (3), internal setting measuring device (4) of the host (1) and circuit module, described measuring device (4) one end
It is arranged light source transmitting probe (5), convex lens (6) are arranged in the other end, loophole (7) are arranged on the host (1), the convex lens
(6) it is located at loophole (7) position, half-reflecting half mirror (8) is set on the measuring device (4), half-reflecting half mirror (8) position
Between light source transmitting probe (5) and convex lens (6), sensor receiving transducer (9) are set on the measuring device (4).
2. a kind of reflective light transmittance measuring instrument according to claim 1, it is characterised in that: the measuring device (4) with
Host is obliquely installed between (1).
3. a kind of reflective light transmittance measuring instrument according to claim 1, it is characterised in that: the sensor receiving transducer
It (9) is silicon photocell.
4. a kind of reflective light transmittance measuring instrument according to any one of claims 1 to 3, it is characterised in that: the sensing
The normal of device receiving transducer (9) is vertical with the normal of light source transmitting probe (5), and the half-reflecting half mirror (8) and light source transmitting are visited
The angle and half-reflecting half mirror (8) of head (5) and the angle of sensor receiving transducer (9) normal are 45 °.
5. a kind of reflective light transmittance measuring instrument according to claim 1, it is characterised in that: the host (1) and reflective
The magnet being mutually attracted is arranged in the opposite side of plate (2).
6. a kind of reflective light transmittance measuring instrument according to claim 1, it is characterised in that: the reflector (2) is white
Color reflector (2), and reflector (2) back side is black.
7. a kind of reflective light transmittance measuring instrument according to claim 1, it is characterised in that: further include for being sent out to light source
Penetrate the rechargeable battery of probe (5) power supply.
8. a kind of reflective light transmittance measuring instrument according to claim 1, it is characterised in that: be arranged on the host (1)
Charging jack (10), the charging jack (10) are electrically connected with rechargeable battery.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822047556.2U CN209148545U (en) | 2018-12-06 | 2018-12-06 | Reflective light transmittance measuring instrument |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822047556.2U CN209148545U (en) | 2018-12-06 | 2018-12-06 | Reflective light transmittance measuring instrument |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209148545U true CN209148545U (en) | 2019-07-23 |
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ID=67289411
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201822047556.2U Active CN209148545U (en) | 2018-12-06 | 2018-12-06 | Reflective light transmittance measuring instrument |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209148545U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109406464A (en) * | 2018-12-06 | 2019-03-01 | 淄博亿力电子有限公司 | Reflective light transmittance measuring instrument |
-
2018
- 2018-12-06 CN CN201822047556.2U patent/CN209148545U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109406464A (en) * | 2018-12-06 | 2019-03-01 | 淄博亿力电子有限公司 | Reflective light transmittance measuring instrument |
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