CN214748439U - Ultraviolet ray detection alarm circuit - Google Patents
Ultraviolet ray detection alarm circuit Download PDFInfo
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- CN214748439U CN214748439U CN202022220561.6U CN202022220561U CN214748439U CN 214748439 U CN214748439 U CN 214748439U CN 202022220561 U CN202022220561 U CN 202022220561U CN 214748439 U CN214748439 U CN 214748439U
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- 238000000825 ultraviolet detection Methods 0.000 claims abstract description 53
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- 208000027418 Wounds and injury Diseases 0.000 abstract description 4
- 208000014674 injury Diseases 0.000 abstract description 4
- 239000008358 core component Substances 0.000 abstract 1
- 238000004659 sterilization and disinfection Methods 0.000 description 9
- 238000010586 diagram Methods 0.000 description 8
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- 230000003321 amplification Effects 0.000 description 1
- 229910052980 cadmium sulfide Inorganic materials 0.000 description 1
- UHYPYGJEEGLRJD-UHFFFAOYSA-N cadmium(2+);selenium(2-) Chemical compound [Se-2].[Cd+2] UHYPYGJEEGLRJD-UHFFFAOYSA-N 0.000 description 1
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Abstract
The utility model provides an ultraviolet ray detection alarm circuit, device and system is applied to the ultraviolet ray and uses protection field. The ultraviolet ray detection alarm circuit comprises: an ultraviolet detection circuit for detecting the intensity of ultraviolet rays in the surrounding environment; and the acousto-optic alarm circuit is used for carrying out early warning according to the ultraviolet intensity and is connected with the ultraviolet detection circuit through a lead. The ultraviolet ray detection alarm circuit further comprises: and the voltage input end is used for connecting a power supply battery and supplying power to the ultraviolet detection alarm circuit, and the ultraviolet detection circuit, the sound and light alarm circuit and the voltage input end are all kept connected. The utility model discloses an ultraviolet ray detection alarm device is dexterous portable to ultraviolet photo resistance is the core component preparation, can send audible-visual alarm signal in real time according to all ring edge borders ultraviolet intensity, can realize accurate warning according to being suitable for scene adjustment warning action sensitivity, avoids the actual function of ultraviolet ray injury.
Description
Technical Field
The utility model relates to an ultraviolet ray is used the protection field, especially relates to an ultraviolet ray detection alarm circuit, device and system.
Background
Ultraviolet rays are a general term for radiation with a wavelength of 10-400 nanometers in an electromagnetic spectrum and cannot cause vision of people. The ultraviolet light source in nature is mainly sunlight, and the artificial ultraviolet light source comprises electric arcs of various gases (such as low-pressure mercury arc and high-pressure mercury arc), fluorescent lamps, various fluorescent lamps and agricultural black light lamps. The ultraviolet sterilization and disinfection effects ensure that the ultraviolet lamps are commonly adopted for disinfection operation in public places such as kindergartens, primary schools and the like all over the country. However, due to lack of perfect environmental ultraviolet early warning measures and strict management system, the ultraviolet lamp is turned on by mistake, which often causes severe events that the skin and eyes of students and other groups are injured.
In the prior art of indoor disinfection of the ultraviolet lamp, or an ultraviolet early warning function is not arranged, the safe use of the ultraviolet lamp is seriously influenced; or the ultraviolet early warning function is insufficient, and the indoor ultraviolet early warning cannot be effectively carried out; meanwhile, the ultraviolet disinfection lamp with an incomplete alarm function cannot adjust the action sensitivity of the alarm device according to an applicable scene, and is not flexible to use. In addition, partial ultraviolet disinfection lamp appearance design is similar with ordinary light, and the switch sets up side by side with ordinary light switch, greatly improves the possibility that the ultraviolet lamp was opened by mistake.
In view of this, the present invention is proposed.
SUMMERY OF THE UTILITY MODEL
The utility model provides an ultraviolet ray detection alarm circuit, device and system for solve ultraviolet lamp disinfection and do not set up ultraviolet alarming function, ultraviolet alarming function incomplete that exist among the prior art, unable nimble change device sensitivity to alarm and alarm device use inconvenient scheduling problem.
In order to achieve the above object, according to an aspect of the present invention, there is provided an ultraviolet detection alarm circuit, and the following technical solution is adopted:
an ultraviolet detection alarm circuit applied to an ultraviolet disinfection place comprises: an ultraviolet detection circuit for detecting the intensity of ultraviolet rays in the surrounding environment; and the acousto-optic alarm circuit is used for carrying out early warning according to the ultraviolet intensity and is connected with the ultraviolet detection circuit through a lead.
Further, the ultraviolet detection alarm circuit further comprises: and the voltage input end is used for connecting a power supply battery and supplying power to the ultraviolet detection alarm circuit, and the ultraviolet detection circuit, the sound and light alarm circuit and the voltage input end are all kept connected.
Further, the ultraviolet detection circuit includes but is not limited to: a photoresistor, a first resistor and a first transistor; wherein a first end of the first resistor is connected with a first end of the photoresistor; the second end of the photoresistor is connected with the base of the first transistor.
Further, the ultraviolet detection circuit and the voltage input end are connected in a holding manner, and specifically includes: the second end of the first resistor is connected with the voltage input end; the acousto-optic alarm circuit and the ultraviolet detection circuit are connected through a lead and specifically comprise: the second end of the photoresistor is connected with the acousto-optic alarm circuit, and the collector electrode and the emitter electrode of the first transistor are both connected with the acousto-optic alarm circuit.
Further, the audible and visual alarm circuit comprises: the circuit comprises a second transistor, a capacitor, a second resistor, a third transistor, a fourth transistor, a light emitting diode and an alarm; a collector of the second transistor is connected with a collector of the fourth transistor, and an emitter of the second transistor is connected with an anode of the light emitting diode; the first polar plate of the capacitor is connected with the emitter of the second transistor; a first end of the second resistor is connected with an emitter of the second transistor, and a second end of the second resistor is connected with a base of the third transistor; a collector of the third transistor is connected with a base of the fourth transistor, and an emitter of the third transistor is connected with a cathode of the light emitting diode; an emitting electrode of the fourth transistor is connected with a first end of the alarm; and the second end of the alarm is connected with the emitter of the third transistor.
Further, the connection of the sound and light alarm circuit and the voltage input end comprises: a collector of the fourth transistor is connected with the voltage input terminal; the second end of the photoresistor is connected with the acousto-optic alarm circuit specifically comprises that the second end of the photoresistor is connected with the second plate of the capacitor; the connection of the collector and the emitter of the first transistor with the audible and visual alarm circuit specifically comprises: the collector of the first transistor is connected with the base of the second transistor, and the emitter of the first transistor is connected with the cathode of the light-emitting diode.
Further, the first transistor and the third transistor both adopt an NPN type triode common emitter amplifying circuit; the second transistor and the fourth transistor both adopt PNP type triode common emitter amplifying circuits.
According to the utility model discloses an in addition one aspect provides an ultraviolet ray detection alarm device to adopt following technical scheme:
the ultraviolet ray detection alarm device comprises: an ultraviolet irradiation window, a switch, an LED lamp and a buzzer; wherein, the ultraviolet irradiation window comprises a photoresistor and a first resistor of the ultraviolet detection circuit; the switch comprises a first transistor of the ultraviolet detection circuit; the LED lamp comprises a second transistor and a light emitting diode of the acousto-optic alarm circuit; the buzzer comprises a capacitor, a second resistor, a third transistor, a fourth transistor and an alarm of the audible and visual alarm circuit.
According to the utility model discloses a still another aspect provides an ultraviolet ray detection alarm system to adopt following technical scheme:
the ultraviolet detection alarm system comprises the ultraviolet detection alarm device.
The utility model discloses design ultraviolet ray detection alarm circuit into ultraviolet ray detection circuitry and audible-visual alarm circuit two parts, ultraviolet light resistance through ultraviolet ray detection circuitry detects the ultraviolet intensity of all ring edge borders, and after ultraviolet intensity exceeded predetermined ultraviolet intensity threshold value, audible-visual alarm circuit sent audible-visual alarm signal and warns, reminds relevant personnel to take necessary safeguard measure and avoidd ultraviolet injury. The utility model discloses can effectively solve not setting up ultraviolet alarming function, ultraviolet alarming function incomplete that exist among the ultraviolet lamp disinfection prior art, unable nimble change device sensitivity to alarm and alarm device use inconvenient scheduling problem.
Drawings
In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings needed to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments described in the present invention, and other drawings can be obtained by those skilled in the art according to these drawings.
Fig. 1 is a structural frame diagram of an ultraviolet detection alarm circuit according to the present invention;
fig. 2 shows a specific circuit diagram of the ultraviolet detection circuit according to the present invention;
fig. 3 shows a specific circuit diagram of the acousto-optic alarm circuit according to the present invention;
fig. 4 is a view showing a structure of the ultraviolet detection alarm device according to the present invention;
fig. 5 shows a specific circuit diagram of the ultraviolet detection alarm device of the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Fig. 1 shows a structural frame diagram of the ultraviolet detection alarm circuit of the present invention.
As shown in fig. 1, an ultraviolet detection alarm circuit applied to an ultraviolet disinfection place includes: an ultraviolet detection circuit 10 for detecting the intensity of ultraviolet rays in the surrounding environment; and the acousto-optic alarm circuit 20 is used for carrying out early warning according to the ultraviolet intensity, and the acousto-optic alarm circuit 10 is connected with the ultraviolet detection circuit 20 through a lead.
The ultraviolet ray detection alarm circuit further comprises: and the voltage input end 30 is used for connecting a power supply battery and supplying power to the ultraviolet detection alarm circuit, and the ultraviolet detection circuit 10, the acousto-optic alarm circuit 20 and the voltage input end 30 are all kept connected.
According to the technical scheme, the power supply battery supplies power to the ultraviolet detection circuit and the acousto-optic alarm circuit through the voltage input end, the ultraviolet detection circuit detects the ultraviolet intensity of the surrounding environment in real time, and when the ultraviolet intensity exceeds the safe irradiation threshold value, the acousto-optic alarm circuit is driven to send out acousto-optic alarm signals to prompt related personnel to pay attention and take countermeasures. The embodiment of the utility model discloses ultraviolet ray detection alarm circuit principle is clearly understandable, and structural design is simple, and ultraviolet ray detection is accurate, and audible-visual annunciation sensitivity is high.
Fig. 2 shows a specific circuit diagram of the ultraviolet detection circuit according to the present invention.
As shown in fig. 2, the ultraviolet detection circuit 10 includes, but is not limited to: a photoresistor R0, a first resistor R1 and a first transistor V1; wherein a first terminal of the first resistor R1 is connected to a first terminal of the photo-resistor R0; the second terminal of the photo resistor R0 is connected to the base of the first transistor V1.
More specifically, the connection of the ultraviolet detection circuit 10 and the voltage input terminal 30 specifically includes: a second terminal of the first resistor R1 is connected to the voltage input terminal 30; the sound and light alarm circuit 10 and the ultraviolet detection circuit 20 are connected through a lead, and specifically comprise: the second end of the photoresistor R0 is connected with the acousto-optic alarm circuit 20, and the collector and the emitter of the first transistor V1 are both connected with the acousto-optic alarm circuit 20.
The present embodiment provides a specific implementation of the ultraviolet detection circuit through the above technical solutions, and the function of sensitively detecting ultraviolet rays is realized through the internal connection between the components of the ultraviolet detection circuit and the external connection between the components and the acousto-optic alarm circuit. The ultraviolet photoresistor is a main element and comprises cadmium sulfide photoresistors, cadmium selenide photoresistors and the like; the incident light intensity is reduced, the resistance is reduced, the incident light is weak, and the resistance is increased; the exposure area and the light receiving angle of the ultraviolet photoresistor R0 are changed, and the action sensitivity of the alarm device can be changed by combining the resistance value of the resistor R1, so that the sensitivity and the applicability of the ultraviolet detection alarm device are greatly improved.
Fig. 3 shows a specific circuit diagram of the acousto-optic alarm circuit of the present invention.
As shown in fig. 3, the sound and light alarm circuit 20 includes: the LED driving circuit comprises a second transistor V2, a capacitor C1, a second resistor R2, a third transistor V3, a fourth transistor V4, a light emitting diode VL and an alarm HA; wherein a collector of the second transistor V2 is connected to a collector of the fourth transistor V4, and an emitter of the second transistor V2 is connected to an anode of the light emitting diode VL; the first plate of the capacitor C1 is connected with the emitter of the second transistor V2; a first end of the second resistor R2 is connected to the emitter of the second transistor V2, and a second end of the second resistor R2 is connected to the base of the third transistor V3; a collector of the third transistor V3 is connected to a base of the fourth transistor V4, and an emitter of the third transistor V3 is connected to a cathode of the light emitting diode VL; the emitter of the fourth transistor V4 is connected with the first end of the alarm HA; a second terminal of the alarm HA is connected to the emitter of the third transistor V3.
More specifically, the connection of the sound and light alarm circuit 20 and the voltage input terminal 30 includes: the collector of the fourth transistor V4 is connected to the voltage input 30; the second end of the light dependent resistor R0 connected to the acousto-optic warning circuit 20 specifically includes: a second terminal of the light dependent resistor R0 is connected to the second plate of the capacitor C1; the connection of the collector and the emitter of the first transistor V1 with the sound and light alarm circuit 20 specifically includes: the collector of the first transistor V1 is connected to the base of the second transistor V2, and the emitter of the first transistor V1 is connected to the cathode of the light emitting diode VL.
More specifically, the first transistor V1 and the third transistor V3 both employ NPN-type triode common emitter amplification circuits; the second transistor V2 and the fourth transistor V4 both adopt PNP-type triode common emitter amplifier circuits.
According to the technical scheme, the embodiment provides a specific implementation scheme of the sound-light alarm circuit, and the sound-light alarm function is realized through internal connection between the sound-light alarm circuit components and external connection between the components and the ultraviolet detection circuit. The alarm LED lamp VL is driven by a V2 output electrode, and the alarm HA is driven by a V4 output electrode; r1, R0, C1, R2, V1, V2, V3, V4 and VL form a simple amplifying oscillating circuit so as to drive an alarm HA to send out continuous warning sounds of 'ticks and ticks', and VL also sends out light and shade alternating flashes along with the continuous warning sounds, so that the aim of warning related personnel is fulfilled, and the damage of ultraviolet rays to human skin is reduced.
The second aspect of the present invention, as shown in fig. 4, provides an ultraviolet detection alarm device, including: an ultraviolet irradiation window, a switch, an LED lamp and a buzzer; wherein, the ultraviolet irradiation window comprises a photoresistor and a first resistor of the ultraviolet detection circuit; the switch comprises a first transistor of the ultraviolet detection circuit; the LED lamp comprises a second transistor and a light emitting diode of the acousto-optic alarm circuit; the buzzer comprises a capacitor, a second resistor, a third transistor, a fourth transistor and an alarm of the audible and visual alarm circuit.
Fig. 5 shows a specific circuit diagram of the ultraviolet detection alarm device of the present invention.
As shown in fig. 5, according to the present embodiment, when the ultraviolet intensity is at a lower level, the resistance of the ultraviolet photoresistor R0 is larger, and the voltage dividing circuit composed of R1, R0, C1, and VL makes the collector of V1 at a high level, V1 at a cut-off state, the acousto-optic alarm circuit does not operate, VL does not emit light, and HA does not emit sound.
When the ultraviolet intensity is increased to a preset intensity, the ultraviolet photoresistor R0 is irradiated by ultraviolet rays, the resistance value is reduced, the voltage division circuit composed of R1, R0, C1, VL and the like enables the collector of the V1 to be at a low level, and the V1 is in a conducting state, so that the base of the V2 is driven to be conducted (at a high level, so that the base is conducted). The simple amplifying oscillation circuit composed of C1, R2, V3 and V4 starts oscillation, and then drives alarm HA to generate continuous alarm sound of "click" accompanied by flashing and lighting of diode. As the intensity of ultraviolet light increases, the resistance of R0 decreases and the oscillation frequency increases. The click sound will be faster and the diode will also flash faster.
The third aspect of the utility model provides an ultraviolet ray detection alarm system, ultraviolet ray detection alarm system includes foretell ultraviolet ray detection alarm device.
To sum up, the utility model discloses design ultraviolet ray detection alarm circuit into ultraviolet ray detection circuitry and audible-visual alarm circuit two parts, ultraviolet ray detection circuitry's ultraviolet light resistance detects the ultraviolet intensity of all ring edge borders, and after ultraviolet intensity exceeded predetermined ultraviolet intensity threshold value, drive audible-visual alarm circuit's emitting diode sent warning light signal, and drive bee calling organ sent the warning sound simultaneously, reminds relevant personnel to take necessary safeguard measure and evade ultraviolet injury. The utility model discloses an ultraviolet ray detection alarm device can realize accurate warning according to being suitable for scene adjustment warning action sensitivity, avoids the actual function of ultraviolet ray injury.
While certain exemplary embodiments of the present invention have been described above by way of illustration only, it will be apparent to those of ordinary skill in the art that the described embodiments may be modified in various different ways without departing from the spirit and scope of the present invention. Accordingly, the drawings and description are illustrative in nature and should not be construed as limiting the scope of the invention.
Claims (5)
1. The utility model provides an ultraviolet ray detection alarm circuit, is applied to ultraviolet ray and uses the protection field, its characterized in that includes:
an ultraviolet detection circuit for detecting the intensity of ultraviolet rays in the surrounding environment;
the acousto-optic alarm circuit is used for carrying out early warning according to the ultraviolet intensity and is connected with the ultraviolet detection circuit through a lead;
the voltage input end is used for connecting a power supply battery and supplying power to the ultraviolet detection alarm circuit, and the ultraviolet detection circuit, the sound and light alarm circuit and the voltage input end are all kept connected;
the ultraviolet detection circuit includes: a photoresistor, a first resistor and a first transistor; wherein,
the first end of the first resistor is connected with the first end of the photoresistor; the second end of the photoresistor is connected with the base of the first transistor.
2. The ultraviolet detection alarm circuit of claim 1, wherein the ultraviolet detection circuit being operatively connected to the voltage input comprises: the second end of the first resistor is connected with the voltage input end;
the acousto-optic alarm circuit and the ultraviolet detection circuit are connected through a lead and specifically comprise: the second end of the photoresistor is connected with the acousto-optic alarm circuit, and the collector electrode and the emitter electrode of the first transistor are both connected with the acousto-optic alarm circuit.
3. The ultraviolet detection alarm circuit of claim 2, wherein the audible and visual alarm circuit comprises: the circuit comprises a second transistor, a capacitor, a second resistor, a third transistor, a fourth transistor, a light emitting diode and an alarm; wherein,
a collector of the second transistor is connected with a collector of the fourth transistor, and an emitter of the second transistor is connected with an anode of the light emitting diode;
the first polar plate of the capacitor is connected with the emitter of the second transistor;
a first end of the second resistor is connected with an emitter of the second transistor, and a second end of the second resistor is connected with a base of the third transistor;
a collector of the third transistor is connected with a base of the fourth transistor, and an emitter of the third transistor is connected with a cathode of the light emitting diode;
an emitting electrode of the fourth transistor is connected with a first end of the alarm;
and the second end of the alarm is connected with the emitter of the third transistor.
4. The ultraviolet detection alarm circuit of claim 3, wherein the audible and visual alarm circuit being connected to the voltage input comprises: a collector of the fourth transistor is connected with the voltage input terminal;
the second end of the photoresistor is connected with the audible and visual alarm circuit and specifically comprises: the second end of the photoresistor is connected with the second plate of the capacitor;
the connection of the collector and the emitter of the first transistor with the audible and visual alarm circuit specifically comprises: the collector of the first transistor is connected with the base of the second transistor, and the emitter of the first transistor is connected with the cathode of the light-emitting diode.
5. The ultraviolet detection alarm circuit according to claim 4, wherein the first transistor and the third transistor are both NPN-type triode common emitter amplifier circuits; the second transistor and the fourth transistor both adopt PNP type triode common emitter amplifying circuits.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022220561.6U CN214748439U (en) | 2020-09-30 | 2020-09-30 | Ultraviolet ray detection alarm circuit |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022220561.6U CN214748439U (en) | 2020-09-30 | 2020-09-30 | Ultraviolet ray detection alarm circuit |
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| CN214748439U true CN214748439U (en) | 2021-11-16 |
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| CN202022220561.6U Active CN214748439U (en) | 2020-09-30 | 2020-09-30 | Ultraviolet ray detection alarm circuit |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113945277A (en) * | 2021-12-07 | 2022-01-18 | 四川大学 | Ultraviolet radiation dose detection system based on photochromic intelligent hydrogel and quantitative detection method of ultraviolet radiation dose in environment |
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2020
- 2020-09-30 CN CN202022220561.6U patent/CN214748439U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113945277A (en) * | 2021-12-07 | 2022-01-18 | 四川大学 | Ultraviolet radiation dose detection system based on photochromic intelligent hydrogel and quantitative detection method of ultraviolet radiation dose in environment |
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