CN109931748A - Refrigerator enabling sound and light alarm device - Google Patents
Refrigerator enabling sound and light alarm device Download PDFInfo
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- CN109931748A CN109931748A CN201910211062.XA CN201910211062A CN109931748A CN 109931748 A CN109931748 A CN 109931748A CN 201910211062 A CN201910211062 A CN 201910211062A CN 109931748 A CN109931748 A CN 109931748A
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Abstract
The invention discloses a kind of refrigerator enabling sound and light alarm device, feature includes: 6V DC power supply, photosensitive circuit, delay circuit, high level power amplification and acousto-optic output circuit composition；The model CD4060 that 14 grades of binary system serial counter IC1 in the delay circuit are used.There is part refrigerator to be fitted without in the market and forgets shutdown or long-time door open prompting apparatus, after refrigerator accesses food, once forgetting the door that turns a refrigerator off in time, electric power, loss and the service life for influencing compressor are not only wasted, it is heavy then the food of refrigeration in refrigerator is made to thaw or go bad.After the present invention realizes refrigerator opening door a period of time, acoustooptic can be passed through in time and remind the timely closing refrigerator door of user.After the installation present invention, as long as the time for opening refrigerator doors is more than 30 seconds, refrigerator is forgotten that the loudspeaker in shutdown sound and light alarm device will pipe and is not stopped.The problems such as causing the huge waste of the energy due to compressor is in open state for a long time is prevented.
Description
Technical field
It is about a kind of refrigerator enabling sound and light alarm device the invention belongs to application of electronic technology field.
Background technique
There is part refrigerator not design installation in the market and forget shutdown or long-time door open prompting apparatus, is eaten when refrigerator accesses
After object, once forgetting the door that turns a refrigerator off in time, electric power, loss and the service life for influencing compressor are not only wasted, it is heavy then make refrigerator
The food of interior refrigeration thaws or goes bad.A small amount of electronics member is used only in refrigerator enabling sound and light alarm device of the present invention
Part after realizing refrigerator opening door a period of time, can pass through in time acoustooptic and remind the timely closing refrigerator door of user.Installation
After the present invention, as long as the time for opening refrigerator doors is more than 30 seconds, refrigerator forgets that the loudspeaker in shutdown sound and light alarm device will
It pipes and does not stop, while Light-emitting diode LED is also lit.Prevent to cause the energy due to compressor is in open state for a long time
Huge waste the problems such as.
Refrigerator enabling sound and light alarm device involved necessity in implementation process of the present invention described further below
, key technique content.
Summary of the invention
Goal of the invention and the utility model has the advantages that have in the market part refrigerator do not design installation forget close the door or for a long time open the door mention
Device of waking up, once forgetting the door that turns a refrigerator off in time, not only wastes electric power, loss and influence compression after refrigerator accesses food
It is the service life of machine, heavy then the food refrigerated in refrigerator is made to thaw or go bad.Refrigerator enabling audible and visual alarm of the present invention
A small amount of electronic component is used only in device, after realizing refrigerator opening door a period of time, can pass through in time acoustooptic and remind use
The timely closing refrigerator door of person.After the installation present invention, as long as the time for opening refrigerator doors is more than 30 seconds, refrigerator forgets that shutdown acousto-optic is accused
Loudspeaker in alarm device, which will pipe, not to stop.Prevent to cause the huge of the energy due to compressor is in open state for a long time
The problems such as waste.
Circuit operation principle: the circuit of refrigerator enabling sound and light alarm device is enclosed in a plastics box, is mounted on
Appropriate location near refrigerator storage room lighting lamp is in dark surrounds, light in refrigerating chamber when the door of refrigerator is closed
Quick resistance RG is not because having illumination, resistance value >=400K Ω；When the door of refrigerator is opened, the lamp of indoor headlamp is refrigerated
Light is radiated on photo resistance RG by the aperture on plastic casing, and the resistance value of photo resistance RG declines about 5K Ω or so at once, and 14
12 feet of grade binary system serial counter IC1 become low level, and 14 grades of binary system serial counter IC1 start counting, timing, in advance
If after state continues 30 seconds, piezoelectric buzzer HA beeps, 3 buzzers of sending per second, while Light-emitting diode LED
It is lit, when the door of refrigerator is closed, piezoelectric buzzer HA can just stop piping immediately.
Technical solution: refrigerator enabling sound and light alarm device, it includes 6V DC power supply, photosensitive circuit, delay circuit, height
Level power amplification and acousto-optic output circuit composition, it is characterised in that:
Photosensitive circuit: it is made of resistance R1 and photo resistance RG, one end of resistance R1 and a termination of photo resistance RG
The other end of 12 feet of 14 grades of binary system serial counter IC1, resistance R1 is connected with circuit anode VCC, and photo resistance RG's is another
One termination circuit ground GND；
Delay circuit: it is made of 14 grades of binary system serial counter IC1, resistance R2, resistance R3, capacitor C1, and 14 grade two
The model CD4060 that system serial counter IC1 is used, 16 feet of 14 grades of binary system serial counter IC1 are connect by resistance R2
Circuit anode VCC, 10 feet of 14 grades of binary system serial counter IC1 are connected with one end of resistance R3,14 grades of binary serial meters
9 feet of number device IC1 are connected with one end of capacitor C1, the other end of resistance R3 and the other end of capacitor C1 and 14 grades of binary serials
11 feet of counter IC1 are connected, 8 feet of 14 grades of binary system serial counter IC1 with connecing circuit GND；
High level power amplification and acousto-optic output circuit: it is by transwitch diode D1, transwitch diode D2, resistance R4
It is formed with N-channel field-effect tube VT1, buzzer HA and Light-emitting diode LED, resistance R5,14 grades of binary system serial counter IC1
3 feet connect the cathode of transwitch diode D1,6 feet of 14 grades of binary system serial counter IC1 connect the negative of transwitch diode D2
Pole, the anode of transwitch diode D1 and the anode of transwitch diode D2 connect the grid and resistance R4 of N-channel field-effect tube VT1
One end, the drain electrode of N-channel field-effect tube VT1 and the other end of resistance R4 be connected with circuit anode VCC, N-channel field-effect tube
The source electrode of VT1 connects the anode of buzzer HA and one end of resistance R5, the other end of resistance R5 connect the anode of Light-emitting diode LED,
The cathode of buzzer HA and the cathode of Light-emitting diode LED with connecing circuit GND；
6V DC power anode meets circuit anode VCC, 6V DC power cathode with connecing circuit GND.
Detailed description of the invention
Attached drawing 1 is the circuit fundamental diagram of refrigerator enabling sound and light alarm device one embodiment provided by the invention.
Specific embodiment
According to attached refrigerator enabling sound and light alarm device circuit fundamental diagram shown in FIG. 1 and Detailed description of the invention, and according to
The ginseng of component technology described in connection relationship and embodiment between component in each section circuit described in summary of the invention
Number requires and circuit production main points carry out implementing that the present invention can be realized, and makees with reference to embodiments to the relevant technologies of the invention
Further description.
The technical parameter of component and its selection require
IC1 is 14 grades of binary system serial counters, model CD4060；
D1, D2 are transwitch diode, the model 1N4148 of selection；
VT1 is N-channel field-effect tube, the model IRFZ22 of selection；
RG is photo resistance, optional MG44-03 type resin-encapsulated photo resistance, light resistance≤5k Ω, dark resistance >=
400KΩ；
Resistance all uses metalfilmresistor, power 1/8W, and resistance R1 resistance value is 16K Ω；The resistance value of resistance R2 is 100
Ω；The resistance value of resistance R3 is 150K Ω；The resistance value of resistance R4 is 150K Ω；The resistance value of resistance R5 is 430 Ω；
C1 is electric capacity of the dacron, capacity 10nF/40V；
HA is buzzer, inside have 3Hz audio frequency oscillator；Operating voltage is 6V；
The voltage of DC power supply is 6V, can be composed in series with 4 section AA type 1.5V batteries.
Circuit production main points, circuit debugging and application method
Because the circuit structure of refrigerator enabling sound and light alarm device is fairly simple, as long as the electronics member selected under normal circumstances
Device performance is intact, and the component connection relationship in attached drawing 1 is welded to specifications, physical connection line and welding quality
After going through correctly, circuit of the invention, which only needs to carry out simply debugging, to be worked normally；
The circuit of refrigerator enabling sound and light alarm device can be set in a closed plastic casing, and be installed in
Appropriate location near refrigerator storage room lighting lamp；
It is about 30 seconds that refrigerator, which accesses food using average time, if feeling, the time of switch refrigerator doors is not enough, can be appropriate
The numerical value of capacitor C1 or resistance R3 is increased to increase the delay time of circuit.
Circuit structure design of the invention, components' placement and its structure feature, face shaping and size etc.
It is not key technology of the invention, nor claimed key technique content, because not influencing tool of the present invention
The realization of body implementation process and goal of the invention, therefore do not illustrate one by one in the description.
Claims (1)
1. a kind of refrigerator enabling sound and light alarm device, it includes 6V DC power supply, photosensitive circuit, delay circuit, high level function
Rate amplification and acousto-optic output circuit composition, it is characterised in that:
The photosensitive circuit is made of resistance R1 and photo resistance RG, one end of resistance R1 and a termination 14 of photo resistance RG
12 feet of grade binary system serial counter IC1, the other end of resistance R1 are connected with circuit anode VCC, and photo resistance RG's is another
Termination circuit ground GND；
The delay circuit is made of 14 grades of binary system serial counter IC1, resistance R2, resistance R3, capacitor C1,14 grade two into
The model CD4060 that serial counter IC1 processed is used, 16 feet of 14 grades of binary system serial counter IC1 connect electricity by resistance R2
10 feet of road anode VCC, 14 grades of binary system serial counter IC1 are connected with one end of resistance R3, and 14 grades of binary serials count
9 feet of device IC1 are connected with one end of capacitor C1, the other end of resistance R3 and the other end of capacitor C1 and 14 grades of binary serial meters
11 feet of number device IC1 are connected, 8 feet of 14 grades of binary system serial counter IC1 with connecing circuit GND；
The high level power amplification and acousto-optic output circuit is by transwitch diode D1, transwitch diode D2, resistance R4
It is formed with N-channel field-effect tube VT1, buzzer HA and Light-emitting diode LED, resistance R5,14 grades of binary system serial counter IC1
3 feet connect the cathode of transwitch diode D1,6 feet of 14 grades of binary system serial counter IC1 connect the negative of transwitch diode D2
Pole, the anode of transwitch diode D1 and the anode of transwitch diode D2 connect the grid and resistance R4 of N-channel field-effect tube VT1
One end, the drain electrode of N-channel field-effect tube VT1 and the other end of resistance R4 be connected with circuit anode VCC, N-channel field-effect tube
The source electrode of VT1 connects the anode of buzzer HA and one end of resistance R5, the other end of resistance R5 connect the anode of Light-emitting diode LED,
The cathode of buzzer HA and the cathode of Light-emitting diode LED with connecing circuit GND；
The 6V DC power anode meets circuit anode VCC, 6V DC power cathode with connecing circuit GND.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910211062.XA CN109931748A (en) | 2019-03-20 | 2019-03-20 | Refrigerator enabling sound and light alarm device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910211062.XA CN109931748A (en) | 2019-03-20 | 2019-03-20 | Refrigerator enabling sound and light alarm device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109931748A true CN109931748A (en) | 2019-06-25 |
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ID=66987784
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910211062.XA Withdrawn CN109931748A (en) | 2019-03-20 | 2019-03-20 | Refrigerator enabling sound and light alarm device |
Country Status (1)
| Country | Link |
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| CN (1) | CN109931748A (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102322724A (en) * | 2011-10-26 | 2012-01-18 | 黄勇 | Refrigerator door-closing reminding device |
| CN102419881A (en) * | 2012-01-04 | 2012-04-18 | 李宁杭 | Refrigerator door opening acoustic-optic reminding circuit |
| CN202304242U (en) * | 2011-10-26 | 2012-07-04 | 黄勇 | Reminding device for closing doors of refrigerator |
| CN202394323U (en) * | 2012-01-04 | 2012-08-22 | 李宁杭 | Refrigerator door opening acousto-optical reminding circuit |
| CN108877125A (en) * | 2018-07-14 | 2018-11-23 | 吴建堂 | Human body induction type motorcycle anti-theft alarm |
-
2019
- 2019-03-20 CN CN201910211062.XA patent/CN109931748A/en not_active Withdrawn
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102322724A (en) * | 2011-10-26 | 2012-01-18 | 黄勇 | Refrigerator door-closing reminding device |
| CN202304242U (en) * | 2011-10-26 | 2012-07-04 | 黄勇 | Reminding device for closing doors of refrigerator |
| CN102419881A (en) * | 2012-01-04 | 2012-04-18 | 李宁杭 | Refrigerator door opening acoustic-optic reminding circuit |
| CN202394323U (en) * | 2012-01-04 | 2012-08-22 | 李宁杭 | Refrigerator door opening acousto-optical reminding circuit |
| CN108877125A (en) * | 2018-07-14 | 2018-11-23 | 吴建堂 | Human body induction type motorcycle anti-theft alarm |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
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| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20190625 |
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| WW01 | Invention patent application withdrawn after publication |