CN203011571U - Temperature detection alarm for food inspection room - Google Patents
Temperature detection alarm for food inspection room Download PDFInfo
- Publication number
- CN203011571U CN203011571U CN 201320016272 CN201320016272U CN203011571U CN 203011571 U CN203011571 U CN 203011571U CN 201320016272 CN201320016272 CN 201320016272 CN 201320016272 U CN201320016272 U CN 201320016272U CN 203011571 U CN203011571 U CN 203011571U
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- CN
- China
- Prior art keywords
- pin
- integrated package
- integrated block
- temperature detection
- detection alarm
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Abstract
The utility model relates to a temperature detection alarm for a food inspection room. The temperature detection alarm is composed of an integrated block, an adjustable resistor, a thermistor, a light emitting diode, a speaker, a capacitor, a switch and a battery, wherein a pin 1 of the integrated block is connected with one end of the thermistor, a pin 2 of the integrated block is connected with one end of the adjustable resistor, a pin 13 of the integrated block is connected with a negative electrode of the light emitting diode, a pin 10 of the integrated block is connected with one end of the speaker, the other end of the thermistor, the other end of the adjustable resistor, the positive electrode of the light emitting diode, a pin 14 of the integrated block and a pin 11 of the integrated block are connected and then connected to a positive electrode of the battery through the switch, the other end of the speaker, a pin 7 of the integrated block and a pin 12 of the integrated block are connected and then connected to a negative electrode of the battery, and a pin 3 of the integrated block and a pin 4 of the integrated block are connected to the capacitor. Compared with the prior art, the temperature detection alarm provided by the utility model has the advantages of simple structure, convenient use, easiness in manufacturing, low cost, and precise temperature detection.
Description
Technical field
The utility model relates to a kind of alarm, is specifically related to a kind of Food Inspection chamber temperature detection alarm.
Background technology
There is certain requirement the Food Inspection chamber to environment temperature, when temperature exceeds specialized range, can cause the Food Inspection out of true.At present, how the Food Inspection chamber is measured by thermometer, and the staff needs often to observe, and not only wastes time and energy, and can't find in time that temperature exceeds specialized range, makes troubles to the staff.
The utility model content
The purpose of this utility model is exactly the defective that exists for prior art, and a kind of Food Inspection chamber temperature detection alarm is provided.
Its technical scheme is: be comprised of integrated package, adjustable resistance, thermistor, light emitting diode, loudspeaker, electric capacity, switch and battery.1 pin of described integrated package is connected with an end of thermistor, 2 pin of integrated package are connected with an end of adjustable resistance, 13 pin of integrated package are connected with the negative pole of light emitting diode, 10 pin of integrated package are connected with an end of loudspeaker, be connected with the positive pole of battery by switch after 11 pin of the positive pole of the other end of described thermistor, the other end of adjustable resistance, light emitting diode, 14 pin of integrated package and integrated package connect, be connected with the negative pole of battery after 7 pin of the other end of described loudspeaker, integrated package and 12 pin of integrated package connect; Connect electric capacity on 3 pin of described integrated package and 4 pin of integrated package.
Wherein, the model of described integrated package is SCZ07.The capacity of described electric capacity is 0.01uF-0.1 uF.
The utility model has following advantage compared with prior art: simple in structure, easy to use, easy making, with low cost and temperature detection is accurate.
Description of drawings
Fig. 1 is the circuit theory diagrams of a kind of embodiment of the utility model.
Embodiment
With reference to Fig. 1, a kind of Food Inspection chamber temperature detection alarm is comprised of ic chip, adjustable resistance W, thermistor R, light emitting diode D, loudspeaker L, capacitor C, K switch and battery DC.1 pin of described ic chip is connected with the end of thermistor R, 2 pin of ic chip are connected with the end of adjustable resistance W, 13 pin of ic chip are connected with the negative pole of light emitting diode D, 10 pin of ic chip are connected with the end of loudspeaker L, the other end of described thermistor R, the other end of adjustable resistance W, the positive pole of light emitting diode D, after connecting, 14 pin of ic chip and 11 pin of ic chip are connected by the positive pole of K switch with battery DC, the other end of described loudspeaker L, after connecting, 7 pin of ic chip and 12 pin of ic chip are connected with the negative pole of battery DC, connect electric capacity on 3 pin of described ic chip and 4 pin of ic chip.Wherein, the model of described ic chip is SCZ07.The capacity of described capacitor C is 0.01uF-0.1 uF.
Claims (3)
1. Food Inspection chamber temperature detection alarm, by integrated package, adjustable resistance, thermistor, light emitting diode, loudspeaker, electric capacity, switch and battery form, it is characterized in that: 1 pin of described integrated package is connected with an end of thermistor, 2 pin of integrated package are connected with an end of adjustable resistance, 13 pin of integrated package are connected with the negative pole of light emitting diode, 10 pin of integrated package are connected with an end of loudspeaker, the other end of described thermistor, the other end of adjustable resistance, the positive pole of light emitting diode, after connecting, 14 pin of integrated package and 11 pin of integrated package are connected with the positive pole of battery by switch, the other end of described loudspeaker, after connecting, 7 pin of integrated package and 12 pin of integrated package are connected with the negative pole of battery, connect electric capacity on 3 pin of described integrated package and 4 pin of integrated package.
2. Food Inspection according to claim 1 chamber temperature detection alarm, it is characterized in that: the model of described integrated package is SCZ07.
3. Food Inspection according to claim 1 chamber temperature detection alarm, it is characterized in that: the capacity of described electric capacity is 0.01uF-0.1 uF.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320016272 CN203011571U (en) | 2013-01-14 | 2013-01-14 | Temperature detection alarm for food inspection room |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320016272 CN203011571U (en) | 2013-01-14 | 2013-01-14 | Temperature detection alarm for food inspection room |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203011571U true CN203011571U (en) | 2013-06-19 |
Family
ID=48603154
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320016272 Expired - Fee Related CN203011571U (en) | 2013-01-14 | 2013-01-14 | Temperature detection alarm for food inspection room |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203011571U (en) |
-
2013
- 2013-01-14 CN CN 201320016272 patent/CN203011571U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130619 Termination date: 20140114 |