CN204044961U - A kind of sun power forest fire protection alarm - Google Patents
A kind of sun power forest fire protection alarm Download PDFInfo
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- CN204044961U CN204044961U CN201420334450.XU CN201420334450U CN204044961U CN 204044961 U CN204044961 U CN 204044961U CN 201420334450 U CN201420334450 U CN 201420334450U CN 204044961 U CN204044961 U CN 204044961U
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Abstract
The utility model relates to fire plant technical field, especially a kind of sun power forest fire protection alarm.Alarm, smoke-detectors and temperature detector that it comprises MCU primary controller and is connected with MCU primary controller, it also comprises DC/DC translation circuit, power is 10W solar panels, 12V accumulator and step-down power supply circuit, described MCU primary controller controls solar panels to 12V charge in batteries by DC/DC translation circuit, and the output voltage of described 12V accumulator is depressurized to after 5V through step-down power supply circuit is powered to alarm, smoke-detectors and temperature detector by MCU primary controller.The utility model realizes solar panels by the DC/DC translation circuit arranged and controls the charging of 12V accumulator, be convenient to MCU primary controller and MPPT maximum power point tracking is carried out to solar panels, with the maximized efficiency utilizing solar panels, thus whole device is enable to be applicable to the demand of forest fire protection; Its structure is simple, with low cost, energy-conserving and environment-protective and easy for installation, has very strong practicality.
Description
Technical field
The utility model relates to fire plant technical field, especially a kind of sun power forest fire protection alarm.
Background technology
Forest fire is in recent years frequently existing, and the casualties caused by fire also increases thereupon, and therefore, forest fire becomes the major issue that needs prevention.But the many regional landform in forest is dangerous, inclement condition, causes erecting power lines difficulty, high in cost of production problems, and then increase the difficulty of forest fire protection.
Sun power, completely can be used for forest fire protection as a kind of clean, efficiently and the new forms of energy of never exhaustion; Therefore, be necessary to provide a kind of sun power alarm being applied to forest fire protection.
Utility model content
For the deficiency that above-mentioned prior art exists, the purpose of this utility model be to provide a kind of circuit structure simple, can forest fire protection demand sun power forest fire protection alarm.
To achieve these goals, the utility model adopts following technical scheme:
A kind of sun power forest fire protection alarm, alarm, smoke-detectors and temperature detector that it comprises MCU primary controller and is connected with MCU primary controller, it also comprises DC/DC translation circuit, power is 10W solar panels, 12V accumulator and step-down power supply circuit, described MCU primary controller controls solar panels to 12V charge in batteries by DC/DC translation circuit, and the output voltage of described 12V accumulator is depressurized to after 5V through step-down power supply circuit is powered to alarm, smoke-detectors and temperature detector by MCU primary controller.
Preferably, described DC/DC translation circuit comprises MAX4080 type inspection stream amplifier and IR2104 type half-bridge driver, the RS+ pin of described inspection stream amplifier connects solar panels, between the RS+ pin and RS-pin of described inspection stream amplifier, be parallel with the 3rd resistance and the second electric capacity;
The RS-pin of described inspection stream amplifier connects the drain electrode of the first metal-oxide-semiconductor, the grid of described first metal-oxide-semiconductor is connected the HO pin of half-bridge driver with the 4th resistance by the first diode of being arranged in parallel, the source electrode of described first metal-oxide-semiconductor connects the drain electrode of the second metal-oxide-semiconductor, and the grid of described second metal-oxide-semiconductor is connected the LO pin of half-bridge driver with the 5th resistance by the second diode of being arranged in parallel;
The peripheral circuit of described 12V accumulator is connected between the source electrode of the first metal-oxide-semiconductor and the source electrode of the second metal-oxide-semiconductor.
Preferably, described MCU controller is STC12C4052AD type single-chip microcomputer.
Preferably, described smoke-detectors is MQ-2 type gas sensor, and described temperature detector is DS18B20 digital temperature sensor.
Owing to have employed such scheme, the utility model realizes solar panels by the DC/DC translation circuit arranged and controls the charging of 12V accumulator, be convenient to MCU primary controller and MPPT maximum power point tracking is carried out to solar panels, with the maximized efficiency utilizing solar panels, thus whole device is enable to be applicable to the demand of forest fire protection; Its structure is simple, with low cost, energy-conserving and environment-protective and easy for installation, has very strong practicality.
Accompanying drawing explanation
Fig. 1 is the circuit system schematic diagram of the utility model embodiment;
Fig. 2 is the circuit structure diagram that the DC/DC varying circuit of the utility model embodiment forms with solar panels and 12V accumulator;
Fig. 3 is the circuit structure diagram of the smoke-detectors of the utility model embodiment;
Fig. 4 is the circuit structure diagram of the temperature detector of the utility model embodiment.
Embodiment
Below in conjunction with accompanying drawing, embodiment of the present utility model is described in detail, but the multitude of different ways that the utility model can be defined by the claims and cover is implemented.
As shown in Figures 1 to 4, the sun power forest fire protection alarm of the present embodiment, it comprises the MCU primary controller 1 playing core control action and the alarm 2, smoke-detectors 3 and the temperature detector 4 that are connected with MCU primary controller 1; Wherein, STC12C4052AD type single-chip microcomputer preferentially selected by MCU primary controller 1, and smoke-detectors 3 preferentially selects MQ-2 type gas sensor, and temperature detector 4 preferentially selects DS18B20 digital temperature sensor.The DC/DC translation circuit 5 that it also comprises the output terminal being connected to MCU primary controller 1, be connected to DC/DC translation circuit 5 input end and power is the solar panels 6 of 10W, the 12V accumulator 7 being connected to the output terminal of the wrong translation circuit 5 of DC/D and the step-down power supply circuit 8 be connected between 12V accumulator 7 and MCU primary controller 1; So, MCU primary controller 1 is by regulating the dutycycle inputing to the PWM ripple of DC/DC translation circuit 5 to the break-make of control DC/DC translation circuit 5, and then control solar panels 6 by DC/DC translation circuit 5 and charge to 12V accumulator 7, the output voltage of 12V accumulator 7 is then depressurized to after 5V through step-down power supply circuit 8 is powered to alarm 2, smoke-detectors 3 and temperature detector 4 by MCU primary controller 1.
Due to, solar panels 6 are a kind of non-linear direct supplys, and output characteristics is very large by the impact of external environmental condition, therefore, solar panels 6 can be avoided directly to charge to 12V accumulator 7 by the setting of DC/DC translation circuit 5, for the efficiency of solar panels 6 can be utilized substantially, with the fastest speed, 12V accumulator 7 can be full of, the DC/DC translation circuit 5 of the present embodiment comprises MAX4080 type inspection stream amplifier and IR2104 type half-bridge driver, the RS+ pin of inspection stream amplifier connects solar panels 6, the 3rd resistance R3 and the second electric capacity C2 is parallel with between the RS+ pin and RS-pin of inspection stream amplifier, simultaneously, the RS-pin of inspection stream amplifier connects the drain electrode of the first metal-oxide-semiconductor Q1, the grid of the first metal-oxide-semiconductor Q1 is connected the HO pin of half-bridge driver with the 4th resistance R4 by the first diode D1 of being arranged in parallel, the source electrode of the first metal-oxide-semiconductor Q1 connects the drain electrode of the second metal-oxide-semiconductor Q2, and the grid of the second metal-oxide-semiconductor Q2 is connected the LO pin of half-bridge driver with the 5th resistance R5 by the second diode D2 of being arranged in parallel, the peripheral circuit of 12V accumulator 7 is then connected between the source electrode of the first metal-oxide-semiconductor Q1 and the source electrode of the second metal-oxide-semiconductor Q2.
So, DC/DC translation circuit 5 can be made to possess MPPT (maximum power point) following function, first it sample to the output voltage of solar panels 6 and electric current, under the control of MCU primary controller 1, regulate the dutycycle inputing to the PWM ripple of half-bridge driver, control the conducting of two metal-oxide-semiconductors and cut-off ratio, reach the object controlling rear class impedance, when rear class impedance reaches optimum impedance, the power that solar panels 6 export is peak power, to realize the rapid charge to 12 accumulators 7.Simultaneously, system is when powering sufficient, smoke-detectors 3 and temperature detector 4 can the generations of detection of fires, when smoke-detectors 3 detects smog or temperature detector 4 detects that environment temperature exceedes the threshold value of setting, MCU primary controller 1 produces and interrupts, and carries out fire alarm by alarm 2.
In addition, consider stability and the Cost Problems of whole warning device, the step-down power supply circuit 8 of the present embodiment can adopt MC34063 chip or LM2576 chip to carry out step-down.
The foregoing is only preferred embodiment of the present utility model; not thereby the scope of the claims of the present utility model is limited; every utilize the utility model instructions and accompanying drawing content to do equivalent structure or equivalent flow process conversion; or be directly or indirectly used in other relevant technical fields, be all in like manner included in scope of patent protection of the present utility model.
Claims (4)
1. a sun power forest fire protection alarm, alarm, smoke-detectors and temperature detector that it comprises MCU primary controller and is connected with MCU primary controller, it is characterized in that: it also comprises DC/DC translation circuit, power is 10W solar panels, 12V accumulator and step-down power supply circuit, described MCU primary controller controls solar panels to 12V charge in batteries by DC/DC translation circuit, and the output voltage of described 12V accumulator is depressurized to after 5V through step-down power supply circuit is powered to alarm, smoke-detectors and temperature detector by MCU primary controller.
2. a kind of sun power forest fire protection alarm as claimed in claim 1, it is characterized in that: described DC/DC translation circuit comprises MAX4080 type inspection stream amplifier and IR2104 type half-bridge driver, the RS+ pin of described inspection stream amplifier connects solar panels, between the RS+ pin and RS-pin of described inspection stream amplifier, be parallel with the 3rd resistance and the second electric capacity;
The RS-pin of described inspection stream amplifier connects the drain electrode of the first metal-oxide-semiconductor, the grid of described first metal-oxide-semiconductor is connected the HO pin of half-bridge driver with the 4th resistance by the first diode of being arranged in parallel, the source electrode of described first metal-oxide-semiconductor connects the drain electrode of the second metal-oxide-semiconductor, and the grid of described second metal-oxide-semiconductor is connected the LO pin of half-bridge driver with the 5th resistance by the second diode of being arranged in parallel;
The peripheral circuit of described 12V accumulator is connected between the source electrode of the first metal-oxide-semiconductor and the source electrode of the second metal-oxide-semiconductor.
3. a kind of sun power forest fire protection alarm as claimed in claim 2, is characterized in that: described MCU controller is STC12C4052AD type single-chip microcomputer.
4. a kind of sun power forest fire protection alarm as claimed in claim 3, is characterized in that: described smoke-detectors is MQ-2 type gas sensor, and described temperature detector is DS18B20 digital temperature sensor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420334450.XU CN204044961U (en) | 2014-09-16 | 2014-09-16 | A kind of sun power forest fire protection alarm |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420334450.XU CN204044961U (en) | 2014-09-16 | 2014-09-16 | A kind of sun power forest fire protection alarm |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204044961U true CN204044961U (en) | 2014-12-24 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420334450.XU Expired - Fee Related CN204044961U (en) | 2014-09-16 | 2014-09-16 | A kind of sun power forest fire protection alarm |
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| CN (1) | CN204044961U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105515347A (en) * | 2015-12-09 | 2016-04-20 | 广西师范大学 | Digital controller of soft switch PWM converter |
| CN105606235A (en) * | 2016-02-03 | 2016-05-25 | 成都信息工程大学 | Solar overtemperature alarm |
| CN106020327A (en) * | 2016-07-15 | 2016-10-12 | 厦门华泉智慧能源科技有限公司 | MPPT adjusting circuit and adjusting method |
| CN108283768A (en) * | 2018-01-23 | 2018-07-17 | 佛山市高明区沧江中学 | The forest fire extinguishing apparatus of smoke alarm is controlled based on Arduino |
| CN112019049A (en) * | 2020-08-24 | 2020-12-01 | 扬州东博电子科技有限公司 | 12V-28V high-power DC-DC voltage reduction conversion method |
-
2014
- 2014-09-16 CN CN201420334450.XU patent/CN204044961U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105515347A (en) * | 2015-12-09 | 2016-04-20 | 广西师范大学 | Digital controller of soft switch PWM converter |
| CN105606235A (en) * | 2016-02-03 | 2016-05-25 | 成都信息工程大学 | Solar overtemperature alarm |
| CN106020327A (en) * | 2016-07-15 | 2016-10-12 | 厦门华泉智慧能源科技有限公司 | MPPT adjusting circuit and adjusting method |
| CN108283768A (en) * | 2018-01-23 | 2018-07-17 | 佛山市高明区沧江中学 | The forest fire extinguishing apparatus of smoke alarm is controlled based on Arduino |
| CN112019049A (en) * | 2020-08-24 | 2020-12-01 | 扬州东博电子科技有限公司 | 12V-28V high-power DC-DC voltage reduction conversion method |
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| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20141224 Termination date: 20150916 |
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| EXPY | Termination of patent right or utility model |