CN201392241Y - Portable outdoor ultraviolet intensity detector - Google Patents

Abstract

The utility model relates to an ultraviolet intensity detecting instrument technical field especially relates to a portable outdoor ultraviolet intensity detecting instrument, it includes the shell, set up liquid crystal display, control button on the shell, and built-in control circuit board, the last ultraviolet sensor that is equipped with of control circuit board, signal amplification filter circuit, analog-to-digital conversion circuit, microprocessor, the output of ultraviolet sensor is connected with signal amplification filter circuit's input electricity, signal amplification filter circuit's output is connected with analog-to-digital conversion circuit's input electricity, analog-to-digital conversion circuit's output is connected with microprocessor's detection signal input electricity; the input end of the liquid crystal display screen is electrically connected with the display signal output end of the microprocessor; the control key is electrically connected with a control signal input end of the microprocessor; the utility model has the characteristics of small, light in weight, portable, can popularize and use in the local ultraviolet radiation intensity detection such as outdoor.

Description

Portable outdoor uitraviolet intensity detection instrument

Technical field:

The utility model relates to uitraviolet intensity detection instrument technical field, relates in particular to a kind of portable outdoor uitraviolet intensity detection instrument.

Background technology:

In recent years, because the destruction that atmospheric advection layer ozone is on the rise, the loss of ozonosphere makes the ultraviolet radiation intensity that arrives earth surface increase, and the amount of ultraviolet irradiation that ground is accepted increases.Accept too much ultraviolet radiation and will cause that DNA changes in the cell, self repair ability of cell weakens, and immunologic mechanism goes down, and makes skin elastosis, angling take place easily so that skin canceration is brought out eyeglass and produced cataract etc.For this reason, the environmentalist of countries in the world all reminds people should pay close attention to ultraviolet radiation to the harm of human body and take the necessary precaution measure.Wherein, harmful ultraviolet ray is divided into ultraviolet light,long wave (UVA), UV-B (UVB), ultraviolet C (UVC), and especially with the injury maximum of UV-B to human body, can make people's skin darkening, delamination even carcinogenic.At present, uitraviolet intensity detection instrument majority on the market is medical or industrial instrumentation, generally form by parts such as main frame, displays, volume is big, weight is big, be not easy to carry and be applied to outdoor measurement, and the parameter of its demonstration is more, the layman is more ugly to be understood, is unfavorable for the popularization and application of uitraviolet intensity detection instrument.

The utility model content:

The purpose of this utility model is exactly to provide a kind of volume little, in light weight, portable portable outdoor uitraviolet intensity detection instrument at the deficiency of prior art existence.

To achieve these goals, the technical solution adopted in the utility model is:

It comprises shell, be arranged on the LCDs (LCD on the shell, Liquid CrystalDisplay), the control button, and built-in control circuit board, control circuit board is provided with the UV sensor that is used to survey ultraviolet radiation intensity, signal amplification circuit filter, analog to digital conversion circuit, microprocessor, the output terminal of described UV sensor is electrically connected with the input end of signal amplification circuit filter, the output terminal of signal amplification circuit filter is electrically connected with the input end of analog to digital conversion circuit, and the output terminal of analog to digital conversion circuit is electrically connected with the detection signal input end of microprocessor; The input end of described LCDs is electrically connected with the shows signal output terminal of microprocessor; Described control button is electrically connected with the microprocessor control signal input end.

Further comprise hummer, the input end of hummer is electrically connected with the alarm signal output ends of microprocessor.

Described control button comprises mode key, detects key, key is set, adjusts key, and mode key and detection key are positioned at the top of shell, key is set and adjusts the left and right sides that key is positioned at shell.

Described shell is made up of loam cake and lower cover, and loam cake and lower cover fasten mutually, and described LCDs is fixed on the top of loam cake, and described control circuit board is fixed on down and covers.

Cover first through hole that offers with the UV sensor coupling on described, UV sensor places in first through hole.

The top of described loam cake is equipped with transparency cover, offers on the transparency cover and the first through hole corresponding second through hole, and the second through hole internal fixation is useful on the glass sheet that covers UV sensor.

The bottom of described lower cover is provided with the disposal area that is used to place battery, and the bottom of lower cover is snapped with the battery cover with the disposal area coupling.

The utility model beneficial effect is:

The portable outdoor uitraviolet intensity detection instrument that the utility model provides can detect ultraviolet radiation intensity by UV sensor, and demonstrate measurement result intuitively by the LCDs on the shell, because the utility model has adopted the less LCDs of volume, and the utility model only is used to survey ultraviolet radiation intensity, the circuit structure of control circuit board is simple, make that the volume of the utility model shell is less, weight is lighter, therefore, it is little to the utlity model has volume, in light weight, portable characteristics, but popularization and application waits local ultraviolet radiation intensity to survey outdoor.

Description of drawings:

Fig. 1 is a block diagram of the present utility model;

Fig. 2 is a structural representation of the present utility model;

Fig. 3 is a decomposing schematic representation of the present utility model.

Embodiment:

Below in conjunction with accompanying drawing the utility model is further described, please refer to Fig. 1～3, the utility model comprises shell, be arranged on the LCDs 1 on the shell, control button 2, and built-in control circuit board 20, control circuit board 20 is provided with the UV sensor 3 that is used to survey ultraviolet radiation intensity, signal amplification circuit filter 4, analog to digital conversion circuit 5, microprocessor 6, the output terminal of described UV sensor 3 is electrically connected with the input end of signal amplification circuit filter 4, the output terminal of signal amplification circuit filter 4 is electrically connected with the input end of analog to digital conversion circuit 5, and the output terminal of analog to digital conversion circuit 5 is electrically connected with the detection signal input end of microprocessor 6; The input end of described LCDs 1 is electrically connected with the shows signal output terminal of microprocessor 6, and more particularly, the dot matrix size of described LCDs 1 is 4 * 40DOTS, and it is directly driven by microprocessor 6; Described control button 2 is electrically connected with the signal input end of microprocessor 6, so that user's input operation control signal.

The utility model further comprises hummer 7, the input end of hummer 7 is electrically connected with the alarm signal output ends of microprocessor 6, when UV sensor 3 detects ultraviolet radiation intensity when too high, microprocessor 6 can send alerting signal and drive hummer 7 sounding alarms, takes corresponding precautionary measures with the prompting user.

The control button 2 of present embodiment comprises mode key 8, detects key 9, key 10 is set, adjusts key 11, mode key 8 and detection key 9 are positioned at the top of shell, key 10 is set and adjusts the left and right sides that key 11 is positioned at shell, wherein, mode key 8 is used to be provided with detecting pattern of the present utility model, for example, can be set to automatic mode, the utility model is just surveyed the ultraviolet radiation intensity of sunshine automatically every five seconds; Detect key 9 and be used to start instant detecting pattern, when the user presses when detecting key 9, the utility model can be surveyed the ultraviolet radiation intensity of sunshine at once, and on LCDs 1 the instant playback result of detection; Key 10 is set, adjusts 11 on key and can each function under the corresponding modes be provided with and revise of the shell left and right sides; Certainly, the utility model also can be provided with functions such as time showing, stopwatch.

The shell of present embodiment is made up of loam cake 12 and lower cover 13, and loam cake 12 fastens mutually with lower cover 13, and described LCDs 1 is fixed on the top of loam cake 12, and described control circuit board 20 is fixed on the lower cover 13; Offer first through hole 14 that mates with UV sensor 3 on the described loam cake 12, UV sensor 3 places in first through hole 14; The top of described loam cake 12 is equipped with transparency cover 15, offers on the transparency cover 15 with first through hole, 14 corresponding second through hole, 16, the second through holes, 16 internal fixation and is useful on the glass sheet 17 that covers UV sensor 3; In the time need surveying the ultraviolet radiation intensity of sunshine, the glass sheet 17 that sunshine can see through in second through hole 16 is injected into the UV sensor 3 that places in first through hole 14.

The bottom of present embodiment lower cover 13 is provided with the disposal area that is used to place battery 19, the bottom of lower cover 13 is snapped with the battery cover 18 with the disposal area coupling, more particularly, the utility model uses the less lithium battery of volume, lithium battery can be put in the described disposal area, and is fastened by battery cover 18, makes that volume of the present utility model is littler, weight is lighter, can be placed in the pocket of clothes, thereby be convenient to carrying of user.

The utility model in use, the glass sheet 17 that sunshine sees through in second through hole 16 is injected into the UV sensor 3 that places in first through hole 14, UV sensor 3 is converted to electric signal with the ultraviolet radiation intensity that detects, and send signal amplification circuit filter 4 to, signal amplification circuit filter 4 carries out this electric signal processing and amplifying and filters out the clutter interference signal, send analog to digital conversion circuit 5 again to, after being converted into digital signal by analog to digital conversion circuit 5, deliver to microprocessor 6,6 of microprocessors drive LCDs 1 according to this signal and show corresponding ultraviolet radiation intensity numerical value, so that the user checks, when if ultraviolet radiation intensity is too high, microprocessor 6 can send alerting signal and drive hummer 7 sounding alarms, takes corresponding precautionary measures with the prompting user.

Certainly, the above only is preferred embodiment of the present utility model, so all equivalences of doing according to the described structure of the utility model patent claim, feature and principle change or modify, is included in the utility model patent claim.

Claims (7)

1. A portable outdoor ultraviolet intensity detector, characterized in that: it includes a housing, a liquid crystal display (1) arranged on the housing, control buttons (2), and a built-in control circuit board (20), the control circuit board (20) is provided with the ultraviolet sensor (3) that is used to detect ultraviolet radiation intensity, signal amplification filtering circuit (4), analog-to-digital conversion circuit (5), microprocessor (6), the output of described ultraviolet sensor (3) end is electrically connected to the input end of the signal amplification filter circuit (4), the output end of the signal amplification filter circuit (4) is electrically connected to the input end of the analog-to-digital conversion circuit (5), and the output end of the analog-to-digital conversion circuit (5) is connected to the The detection signal input terminal of the microprocessor (6) is electrically connected; the input terminal of the liquid crystal display (1) is electrically connected with the display signal output terminal of the microprocessor (6); the control button (2) is connected with the microprocessor The control signal input terminal of the device (6) is electrically connected. 2. The portable outdoor ultraviolet intensity detector according to claim 1, characterized in that: it further comprises a buzzer (7), the input end of the buzzer (7) and the alarm signal output end of the microprocessor (6) electrical connection. 3. The portable outdoor ultraviolet intensity detector according to claim 1, characterized in that: the control buttons (2) include a mode button (8), a detection button (9), a setting button (10), an adjustment button (11 ), the mode key (8) and the detection key (9) are located on the top of the shell, and the setting key (10) and adjustment key (11) are located on the left and right sides of the shell. 4. The portable outdoor ultraviolet intensity detector according to claim 1 or 3, characterized in that: the housing is composed of an upper cover (12) and a lower cover (13), and the upper cover (12) and the lower cover (13) Interlocking with each other, the liquid crystal display screen (1) is fixed on the top of the upper cover (12), and the control circuit board (20) is fixed on the lower cover (13). 5. The portable outdoor ultraviolet intensity detector according to claim 4, characterized in that: the upper cover (12) is provided with a first through hole (14) matching the ultraviolet sensor (3), and the ultraviolet sensor (3) ) placed in the first through hole (14). 6. The portable outdoor ultraviolet intensity detector according to claim 5, characterized in that: a transparent cover (15) is installed on the top of the upper cover (12), and a first through hole is opened on the transparent cover (15) (14) corresponds to the second through hole (16), and a glass sheet (17) for covering the ultraviolet sensor (3) is fixed in the second through hole (16). 7. The portable outdoor ultraviolet intensity detector according to claim 4, characterized in that: the bottom of the lower cover (13) is provided with an accommodating area for placing the battery (19), and the bottom of the lower cover (13) A battery cover (18) matching the accommodating area is fastened.

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