CN207558161U - A kind of detection freezing point alarm - Google Patents
A kind of detection freezing point alarm Download PDFInfo
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- CN207558161U CN207558161U CN201721746737.3U CN201721746737U CN207558161U CN 207558161 U CN207558161 U CN 207558161U CN 201721746737 U CN201721746737 U CN 201721746737U CN 207558161 U CN207558161 U CN 207558161U
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- freezing point
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- thermistor
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- groove
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Abstract
The utility model discloses a kind of detection freezing point alarms, including main body, power switch and No. two divider resistances, the outer surface of the main body is provided with No.1 groove, and the inside of No.1 groove is installed with probe, the upper end outer surface of the main body is provided with No. two grooves, and the inside of No. two grooves is installed with solid-state buzzer, the leading exterior surface of the main body is installed with power switch, the inside of the probe is installed with thermistor, and the side of No. two divider resistances is provided with solid-state buzzer and thermistor.The novel detection freezing point alarm of this reality, equipped with thermistor, when air themperature is less than zero degrees celsius, that is, freezing point, solid-state buzzer will sounding, it can remind and when be somebody's turn to do the salting on road, and driver can be reminded to slow down and drive or change the bad habit driven, moreover it is possible to reduce the traffic accident on the face on winter icing road, different work is applicable in, brings better prospect of the application.
Description
Technical field
The utility model is related to alarm art, more particularly to a kind of detection freezing point alarm.
Background technology
Alarm refers to the utensil for providing alarm signal, for providing the pre- signal reported ﹑ alarms and sounded all clear, air defence warning
Refer to war during in order to prevent enemy air strike and set alarm system, be urban air defense engineering important component, be
Ring is reminded the alarm of people's air defense when city is threatened by air strike；There are certain disadvantages when in use for existing alarm
End, it is impossible to it applies in various occasions, is not provided with thermistor, when air themperature is less than zero degrees celsius, that is, freezing point, Ren Menwu
Method learns this message, it is impossible to be used in the situation of detection winter icy road, it is impossible to it reminds and when is somebody's turn to do the salting on road,
Driver can not be reminded to slow down and drive or change the bad habit driven, it is impossible to reduce the traffic thing on the face on winter icing road
Therefore.For this purpose, a kind of it is proposed that detection freezing point alarm.
Utility model content
The main purpose of the utility model is that providing a kind of detection freezing point alarm, can effectively solve in background technology
The problem of.
To achieve the above object, the technical solution that the utility model is taken is：
A kind of detection freezing point alarm, sets including main body, power switch and No. two divider resistances, the outer surface of the main body
Be equipped with No.1 groove, and the inside of No.1 groove is installed with probe, the upper end outer surface of the main body be provided with No. two it is recessed
Slot, and the inside of No. two grooves is installed with solid-state buzzer, the upper surface setting hole of the solid-state buzzer is described
The leading exterior surface of main body is installed with power switch, and the inside of the probe is installed with thermistor, described No. two
The side of divider resistance is provided with solid-state buzzer, thermistor, No.1 divider resistance, voltage comparator and amplifier, described
Solid-state buzzer is located at the top of voltage comparator with amplifier, and thermistor is located at voltage comparator with No.1 divider resistance
Lower section, the thermistor is located at the lower section of No.1 divider resistance, and solid-state buzzer is located at the top of amplifier, the electricity
The side of source switch is provided with voltage stabilizing chip, and the opposite side of power switch is provided with battery.
Preferably, thermistor resistance value in zero degrees celsius is 361 kilo-ohms, and it takes the photograph 25
100 kilo-ohms of resistance value when family name spends.
Preferably, the No.1 groove is cylindrical type groove, and No. two grooves are square groove.
Preferably, the output voltage of the battery is nine volts, and the output voltage of the voltage stabilizing chip is five volts.
Preferably, the amplifier is the enhanced DMOS field-effect tube of a N-channel, and field-effect tube can drive solid-state bee
Ring device sounding.
Preferably, the outer surface even spread anti oxidation layer of the main body, anti oxidation layer are one millimeter.
Compared with prior art, the utility model has the advantages that：The detection freezing point alarm, can apply each
Kind of occasion, by setting thermistor, when air themperature is less than zero degrees celsius, that is, freezing point, solid-state buzzer will sounding, visit
The situation that freezing point alarm is used exclusively for detection winter icy road is surveyed, when can be used for reminding should spread on road
Salt, and driver can be reminded to slow down and drive or change the bad habit driven, moreover it is possible to reduce the traffic on the face on winter icing road
Accident.In the utility model, entire alarm structure is simple, easy to operate, and the effect used is more preferable relative to traditional approach.
Description of the drawings
Fig. 1 is a kind of overall structure diagram for detecting freezing point alarm of the utility model.
Fig. 2 is a kind of circuit block diagram for detecting freezing point alarm of the utility model.
Fig. 3 is a kind of fundamental diagram for detecting freezing point alarm of the utility model.
In figure：1st, main body；2nd, No.1 groove；3rd, it pops one's head in；4th, No. two grooves；5th, solid-state buzzer；6th, hole；7th, power supply is opened
It closes；8th, thermistor；9th, No.1 divider resistance；10th, voltage comparator；11st, amplifier；12nd, No. two divider resistances；13rd, voltage stabilizing
Chip；14th, battery.
Specific embodiment
To be easy to understand technical means, creative features, achievable purpose and effectiveness of the utility model, below
With reference to specific embodiment, the utility model is expanded on further.
As shown in Figs. 1-3, a kind of detection freezing point alarm, it is main including main body 1, power switch 7 and No. two divider resistances 12
The outer surface of body 1 is provided with No.1 groove 2, and the inside of No.1 groove 2 is installed with probe 3, the upper end outer surface of main body 1
No. two grooves 4 are provided with, and the inside of No. two grooves 4 is installed with solid-state buzzer 5, the upper table of the solid-state buzzer 5
Face sets hole 6, and the leading exterior surface of main body 1 is installed with power switch 7, and 3 inside of popping one's head in is installed with temperature-sensitive
Resistance 8, by setting thermistor 8, when air themperature be less than zero degrees celsius, that is, freezing point when, solid-state buzzer 5 will sounding, energy
When enough remind is somebody's turn to do the salting on road, and driver can be reminded to slow down and drive or change the bad habit driven, moreover it is possible to
The traffic accident on the face on winter icing road is reduced, the side of No. two divider resistances 12 is provided with solid-state buzzer 5, thermistor
8th, No.1 divider resistance 9, voltage comparator 10 and amplifier 11, solid-state buzzer 5 are located at voltage comparator 10 with amplifier 11
Top, and thermistor 8 and No.1 divider resistance 9 are located at the lower section of voltage comparator 10, and thermistor 8 is located at No.1 and divides
The lower section of resistance 9, and solid-state buzzer 5 is located at the top of amplifier 11, the side of power switch 7 is provided with voltage stabilizing chip 13,
And the opposite side of power switch 7 is provided with battery 14.
The resistance value in zero degrees celsius of thermistor 8 is 361 kilo-ohms, and its resistance at 25 degrees Celsius
100 kilo-ohms of value；No.1 groove 2 is cylindrical type groove, and No. two grooves 5 are square groove；The output voltage of battery 14 is nine
Volt, the output voltage of voltage stabilizing chip 13 is five volts；Amplifier 11 is the enhanced DMOS field-effect tube of a N-channel, field-effect tube
5 sounding of solid-state buzzer can be driven；The outer surface even spread anti oxidation layer of main body 1, anti oxidation layer are one millimeter.
It should be noted that the utility model is a kind of detection freezing point alarm, in use, this alarm is fixedly mounted
Afterwards, thermistor 8 is a kind of thermally sensitive semiconductor devices, its resistance value changes with the variation of temperature, temperature-sensitive electricity
With temperature inversely, the resistance value of thermistor 8 rises the resistance value of resistance 8 with the decline of temperature, in zero degree degree Celsius
Thermistor 8 generates 361 kilo-ohms of resistance value, and 100 kilo-ohms of resistance value is generated at 25 degrees Celsius, detects freezing point
The comparison voltage set point of alarm circuit is divided determining by No.1 divider resistance 9 and No. two divider resistances 12, they are connected to
Between power supply and ground, when temperature reaches zero degrees celsius, the voltage that thermistor 8 generates just has reached the ratio of voltage comparator 10
Compared with voltage set point, voltage comparator 10 will generate a voltage output in pin, and the voltage output of voltage comparator 10 is led to
Amplifier 11 to be crossed to amplify, amplifier 11 is the enhanced DMOS field-effect tube of a N-channel, when temperature reaches zero degrees celsius, this
A field-effect tube just drives 5 sounding of solid-state buzzer, and detection freezing point alarm is powered by nine volts of battery 14, nine volts of battery
14 are connected together by power switch 7 and voltage stabilizing chip 13, and nine volts of voltages that battery 14 provides are supplied with solid-state buzzer first
5, it also supplies electricity to voltage stabilizing chip 13, and making nine volts of voltage stabilization, five volts are given the alarm power supply of detection freezing point again to five volts of direct current,
When air themperature is less than zero degrees celsius, that is, freezing point, solid-state buzzer 5 will sounding, when can remind should on road
Salting, and driver can be reminded to slow down and drive or change the bad habit driven, moreover it is possible to reduce the friendship on the face on winter icing road
Interpreter's event, it is more practical.
The basic principle of the utility model and main feature and the advantages of the utility model has been shown and described above.One's own profession
The technical staff of industry is it should be appreciated that the present utility model is not limited to the above embodiments, described in above embodiments and description
Only illustrate the principle of the utility model, on the premise of not departing from the spirit and scope of the utility model, the utility model is also
Various changes and modifications are had, these various changes and improvements fall within the scope of the claimed invention.The utility model
Claimed range is defined by the appending claims and its equivalent thereof.
Claims (6)
1. a kind of detection freezing point alarm, including main body（1）, power switch（7）With No. two divider resistances（12）, feature exists
In：The main body（1）Outer surface be provided with No.1 groove（2）, and No.1 groove（2）Inside be installed with probe（3）,
The main body（1）Upper end outer surface be provided with No. two grooves（4）, and No. two grooves（4）Inside be installed with solid-state bee
Ring device（5）, the solid-state buzzer（5）Upper surface setting hole（6）, the main body（1）Leading exterior surface fix peace
Equipped with power switch（7）, the probe（3）Inside be installed with thermistor（8）, No. two divider resistances（12）'s
Side is provided with solid-state buzzer（5）, thermistor（8）, No.1 divider resistance（9）, voltage comparator（10）With amplifier
（11）, the solid-state buzzer（5）With amplifier（11）Positioned at voltage comparator（10）Top, and thermistor（8）With one
Number divider resistance（9）Positioned at voltage comparator（10）Lower section, the thermistor（8）Positioned at No.1 divider resistance（9）Under
Side, and solid-state buzzer（5）Positioned at amplifier（11）Top, the power switch（7）Side be provided with voltage stabilizing chip
（13）, and power switch（7）Opposite side be provided with battery（14）.
2. a kind of detection freezing point alarm according to claim 1, it is characterised in that：The thermistor（8）It is taken the photograph zero
Resistance value is 361 kilo-ohms when family name spends, and its 100 kilo-ohms of resistance value at 25 degrees Celsius.
3. a kind of detection freezing point alarm according to claim 1, it is characterised in that：The No.1 groove（2）For cylinder
Type groove, and No. two grooves（4）For square groove.
4. a kind of detection freezing point alarm according to claim 1, it is characterised in that：The battery（14）Output voltage
It is nine volts, the voltage stabilizing chip（13）Output voltage be five volts.
5. a kind of detection freezing point alarm according to claim 1, it is characterised in that：The amplifier（11）It is a N
Channel enhancement DMOS field-effect tube, field-effect tube can drive solid-state buzzer（5）Sounding.
6. a kind of detection freezing point alarm according to claim 1, it is characterised in that：The main body（1）Outer surface it is equal
Even coating anti oxidation layer, anti oxidation layer are one millimeter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721746737.3U CN207558161U (en) | 2017-12-14 | 2017-12-14 | A kind of detection freezing point alarm |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721746737.3U CN207558161U (en) | 2017-12-14 | 2017-12-14 | A kind of detection freezing point alarm |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207558161U true CN207558161U (en) | 2018-06-29 |
Family
ID=62663152
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721746737.3U Active CN207558161U (en) | 2017-12-14 | 2017-12-14 | A kind of detection freezing point alarm |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207558161U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109573055A (en) * | 2018-11-24 | 2019-04-05 | 中国人民解放军空军工程大学 | Icing sensing and anti-deicing integrating device and its application method based on plasma |
| CN112498699A (en) * | 2020-12-11 | 2021-03-16 | 武汉航空仪表有限责任公司 | Icing detector based on electric heating principle |
-
2017
- 2017-12-14 CN CN201721746737.3U patent/CN207558161U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109573055A (en) * | 2018-11-24 | 2019-04-05 | 中国人民解放军空军工程大学 | Icing sensing and anti-deicing integrating device and its application method based on plasma |
| CN109573055B (en) * | 2018-11-24 | 2020-08-11 | 中国人民解放军空军工程大学 | Application method of plasma-based icing sensing and deicing prevention integrated device |
| CN112498699A (en) * | 2020-12-11 | 2021-03-16 | 武汉航空仪表有限责任公司 | Icing detector based on electric heating principle |
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