CN103335733A - Overheating alarm apparatus - Google Patents
Overheating alarm apparatus Download PDFInfo
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- CN103335733A CN103335733A CN201310235794.5A CN201310235794A CN103335733A CN 103335733 A CN103335733 A CN 103335733A CN 201310235794 A CN201310235794 A CN 201310235794A CN 103335733 A CN103335733 A CN 103335733A
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- temperature
- chip microcomputer
- alarm instrument
- temperature sensor
- temperature alarm
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- Alarm Systems (AREA)
Abstract
The invention discloses an overheating alarm apparatus which comprises temperature sensors and temperature transmitters, wherein the number of the temperature sensors is at least one, the number of the temperature transmitters is the same as that of the temperature sensors, the temperature transmitters are in one-to-one correspondence with the temperature sensors, the overheating alarm apparatus further comprises a singlechip, an audible and visual alarm, A/D (analog-to-digital) converters, a temperature controller, a cell and a buzzer, wherein the temperature transmitters are connected with an input end of the singlechip through the A/D converters, an output end of the singlechip is connected with the audible and visual alarm, the temperature controller comprises a probe and two leading wires controlled by the probe to be conducted, one of the two leading wires is connected with the negative pole of the cell through the buzzer, and the other one is connected with the negative pole of the cell. The overheating alarm apparatus has the advantages that after the indoor temperature reaches a certain temperature, the temperature controller is in operation, and the two leading wires of the temperature controller are conducted, the buzzer can alarm, and the alarm process is independent of a singlechip system, so that the double insurance can be formed, and the safety is higher.
Description
Technical field
The present invention relates to a kind of alarm, especially a kind of temperature alarm instrument.
Background technology
Along with the development of society, all trades and professions automaticity is more and more higher, and in order to bear detection task and warning task in process of production better, various detecting instruments, warning instrument emerge in an endless stream, and this proposes higher requirement for instrument manufacturing enterprise.In order to adapt to the needs of the modernization of industry better, existing instrument manufacturing enterprise must update technology, develops variously to have the product of new technique effect to promote development of science and technology.
The temperature alarm instrument uses very extensively industrial, and it is generally used for the temperature alarm of workshop or equipment.Existing temperature alarm instrument comprises temperature sensor, temperature transmitter, single-chip microcomputer and alarm, temperature sensor can be found out temperature, and input to single-chip microcomputer after signal transformed by temperature transmitter, therefore can effectively measure temperature also can report to the police by audible-visual annunciator, the security of this temperature alarm instrument is not high, when temperature sensor, temperature transmitter or single-chip microcomputer fault are malfunctioning, will lose warning function, owing to have such problem, so be necessary existing temperature alarm instrument is improved.
Summary of the invention
The objective of the invention is the better temperature alarm instrument of a kind of security that designs for the deficiency that solves above-mentioned technology.
The temperature alarm instrument that the present invention is designed, comprise temperature sensor and temperature transmitter, described temperature sensor quantity is at least one, described temperature transmitter quantity is identical with temperature sensor and connect one to one with temperature sensor, also comprise single-chip microcomputer, audible-visual annunciator, AD converter, temperature controller, battery and hummer, described temperature transmitter is connected with the input end of single-chip microcomputer by AD converter, and the output terminal of described single-chip microcomputer connects described audible-visual annunciator; Described temperature controller constitutes by probe with by two lead-in wires controlling conducting of popping one's head in, and wherein a lead-in wire connects battery cathode by hummer, and another root lead-in wire connects anode.Temperature controller is prior art, and it generally is used on immersion heater or the water dispenser.
As preferably:
Described AD converter is identical with temperature transmitter quantity and corresponding one by one;
All temperature transmitters are connected with a total AD converter by monolithic processor controlled gating circuit by one;
The output terminal of described single-chip microcomputer also is connected with a radio-frequency module; Such scheme can send wireless signal by radio-frequency module and be used for remote alarms, and practicality is stronger
Described temperature sensor quantity is three to five;
Described single-chip microcomputer is that model is the single-chip microcomputer of AT89C51RB2;
The temperature alarm instrument that the present invention is designed, its beneficial effect is: at first, temperature sensor can be found out temperature, and inputs to single-chip microcomputer after signal transformed by temperature transmitter, temperature and can reporting to the police by audible-visual annunciator can be effectively measured, thereby the effect of alarm monitoring can be played; And temperature sensor quantity is at least one, and it is better to carry out the multiple spot monitoring effect; Secondly, after the certain temperature of indoor arrival, the conducting of its two lead-in wires of temperature controller work; Hummer can be reported to the police, because this alarm procedure and Single Chip Microcomputer (SCM) system are independently, therefore can form dual fail-safe, and security is better.
Description of drawings
Fig. 1 is the structural representation of embodiment 1 temperature alarm instrument;
Fig. 2 is the structural representation of embodiment 2 temperature alarm instrument;
Fig. 3 is the structural representation of embodiment 3 temperature alarm instrument;
Among the figure: temperature sensor 1, temperature transmitter 2, single-chip microcomputer 3, audible-visual annunciator 4, AD converter 5, temperature controller 6, battery 7, hummer 8, probe 9, lead-in wire 10, gating circuit 11, radio-frequency module 12.
Embodiment
The invention will be further described by reference to the accompanying drawings below by embodiment.
Embodiment 1:
As shown in Figure 1, the described temperature alarm instrument of present embodiment, comprise temperature sensor 1 and temperature transmitter 2, described temperature sensor 1 quantity is three, described temperature transmitter 2 quantity and temperature sensor 1 are identical and connect one to one with temperature sensor 1, also comprise single-chip microcomputer 3, audible-visual annunciator 4, AD converter 5, temperature controller 6, battery 7 and hummer 8, described temperature transmitter 2 is connected by the input end of AD converter 5 with single-chip microcomputer 3, and the output terminal of described single-chip microcomputer 3 connects described audible-visual annunciator 4; Described temperature controller 6 constitutes by probe 9 with by two of conductings lead-in wires 10 of probe 9 controls, and wherein a lead-in wire 10 connects batteries 7 negative poles by hummer 8, and another root lead-in wire 10 connects batteries 7 positive poles.Wherein: described AD converter 5 is identical with temperature transmitter 2 quantity and correspondingly one by one all be three.Described single-chip microcomputer 3 is that model is the single-chip microcomputer of AT89C51RB2, and significantly, described single-chip microcomputer 3 can also be other model of the prior art, and temperature sensor 1 quantity can also be four or five in addition, even more.
The described temperature alarm instrument of present embodiment, its beneficial effect is: at first, temperature sensor 1 can be found out temperature, and input to single-chip microcomputer 3 after signal transformed by temperature transmitter 2, can effectively measure temperature and can pass through audible-visual annunciator 4 warnings, thereby can play the effect of alarm monitoring; And temperature sensor 1 quantity is at least one, and it is better to carry out the multiple spot monitoring effect; Secondly, after the certain temperature of indoor arrival, 9 conductings of its two lead-in wires of temperature controller 6 work; Hummer 8 can be reported to the police, because this alarm procedure and Single Chip Microcomputer (SCM) system are independently, therefore can form dual fail-safe, and security is better.
Embodiment 2:
As shown in Figure 2, the described temperature alarm instrument of present embodiment, as different from Example 1: all temperature transmitters 2 are connected with a total AD converter 5 by the gating circuit 11 of single-chip microcomputer 3 control by one;
The described temperature alarm instrument of present embodiment, as different from Example 1: structure is more simple, and cost is lower, and practicality is stronger, is easier to marketing.
Embodiment 3:
As shown in Figure 3, the described temperature alarm instrument of present embodiment, as different from Example 1: the output terminal of described single-chip microcomputer 3 also is connected with a radio-frequency module 12.
The described temperature alarm instrument of present embodiment, as different from Example 1: can send wireless signal by radio-frequency module 12 and be used for remote alarms, practicality is stronger.
Specific embodiment described herein only is that design of the present invention is illustrated.Those skilled in the art can make various modifications or replenish or adopt similar mode to substitute described specific embodiment, but can't depart from spirit of the present invention or surmount the defined scope of appended claims.
Claims (10)
1. temperature alarm instrument, comprise temperature sensor (1) and temperature transmitter (2), described temperature sensor (1) quantity is at least one, described temperature transmitter (2) quantity is identical with temperature sensor (1) and connect one to one with temperature sensor (1), it is characterized in that also comprising single-chip microcomputer (3), audible-visual annunciator (4), AD converter (5), temperature controller (6), battery (7) and hummer (8), described temperature transmitter (2) is connected by the input end of AD converter (5) with single-chip microcomputer (3), and the output terminal of described single-chip microcomputer (3) connects described audible-visual annunciator (4); Described temperature controller (6) constitutes by probe (9) with by two lead-in wires (10) of probe (9) control conducting, and wherein a lead-in wire (10) connects battery (7) negative pole by hummer (8), another root (10) connection battery (7) positive pole that goes between.
2. temperature alarm instrument according to claim 1 is characterized in that described AD converter (5) is identical and corresponding one by one with temperature transmitter (2) quantity.
3. temperature alarm instrument according to claim 1 is characterized in that all temperature transmitters (2) are connected with a total AD converter (5) by the gating circuit (11) of single-chip microcomputer (3) control by one.
4. according to claim 1 or 2 or 3 described temperature alarm instrument, it is characterized in that the output terminal of described single-chip microcomputer (3) also is connected with a radio-frequency module (12).
5. according to claim 1 or 2 or 3 described temperature alarm instrument, it is characterized in that described temperature sensor (1) quantity is three to five.
6. temperature alarm instrument according to claim 4 is characterized in that described temperature sensor (1) quantity is three to five.
7. according to claim 1 or 2 or 3 described temperature alarm instrument, it is characterized in that described single-chip microcomputer (3) is that model is the single-chip microcomputer of AT89C51RB2.
8. temperature alarm instrument according to claim 4 is characterized in that described single-chip microcomputer (3) is that model is the single-chip microcomputer of AT89C51RB2.
9. temperature alarm instrument according to claim 5 is characterized in that described single-chip microcomputer (3) is that model is the single-chip microcomputer of AT89C51RB2.
10. temperature alarm instrument according to claim 6 is characterized in that described single-chip microcomputer (3) is that model is the single-chip microcomputer of AT89C51RB2.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310235794.5A CN103335733A (en) | 2013-06-16 | 2013-06-16 | Overheating alarm apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310235794.5A CN103335733A (en) | 2013-06-16 | 2013-06-16 | Overheating alarm apparatus |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN103335733A true CN103335733A (en) | 2013-10-02 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310235794.5A Pending CN103335733A (en) | 2013-06-16 | 2013-06-16 | Overheating alarm apparatus |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103335733A (en) |
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2013
- 2013-06-16 CN CN201310235794.5A patent/CN103335733A/en active Pending
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| C06 | Publication | ||
| PB01 | Publication | ||
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20131002 |