CN202403819U - Temperature sensor for coal mining pipeline - Google Patents
Temperature sensor for coal mining pipeline Download PDFInfo
- Publication number
- CN202403819U CN202403819U CN2011205160244U CN201120516024U CN202403819U CN 202403819 U CN202403819 U CN 202403819U CN 2011205160244 U CN2011205160244 U CN 2011205160244U CN 201120516024 U CN201120516024 U CN 201120516024U CN 202403819 U CN202403819 U CN 202403819U
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- circuit
- temperature sensor
- signal
- voltage signal
- chip microcomputer
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Abstract
The utility model provides a temperature sensor for a coal mining pipeline and relates to the technical field of a temperature measuring device. The temperature sensor comprises a power supply circuit and a single chip, wherein the power supply circuit is used for supplying power to the temperature sensor; the single chip controls and is connected with an alarm circuit, a display circuit, a remote control infrared connector circuit and a frequency, current and voltage signal output circuit; the temperature sensor is characterized by further comprising a temperature detecting circuit and an A/D converter; the temperature detecting circuit comprises a sampling head; after the sampling head samples, temperature change is converted into an analog voltage signal through the A/D converter; after the analog voltage signal is amplified by an operation amplifier, the analog voltage signal is treated by being directly sent into the single chip; and the single chip locally and digitally displays the collected signal after being treated, converts into a standard signal and transmits to a related device, thereby realizing the remote centralized monitoring. The temperature sensor for the coal mining pipeline is simple in structure, reliable in property and convenient in maintaining and debugging.
Description
Technical field
The utility model relates to the temperature measuring apparatus technical field, is specifically related to a kind of colliery pipeline and uses temperature sensor.
Background technology
Mine safety is China's problem demanding prompt solution all the time, and Coal Production is faced with many difficulties, and, MP imperfection low like mechanization degree, technical merit are low etc.; These all are the hidden danger of mine safety, and can there be flammable explosive gas in the colliery in process of production, and these flammable explosive gas are main threats of mine safety problem; In recent years; The mine safety explosion accident frequently takes place, and when having caused huge economy and personal casualty loss, has also caused the pollution of environment; Along with gas detection sensor applies in the Coal Production, Safety of Coal Mine Production gets a new look to a certain extent.When down-hole ambient temperature reached certain value, under the situation of oxygen abundance, burning even blast can take place in inflammable gas; Bring serious accident; For effective trouble-saving generation, in the down-hole temperature sensor is installed all, be used for the size of real-time testing environment temperature.The personnel in the pit can understand ambient temperature value through the displayed value of Direct observation temperature sensor, and personnel understand the ambient temperature value of current down-hole through the output signal of temperature sensor on the ground.The output signal of temperature sensor can be a current signal, also can be frequency signal, and on the ground, after corresponding calculated, this output conversion of signals becomes corresponding temperature value to this output signal through cable transmission.Existing temperature sensor exists sensitivity low, and measuring accuracy is not high, shortcomings such as stability difference.
The utility model content
The utility model technical matters to be solved is to provide a kind of intellectuality, the accurate colliery of measurement pipeline to use temperature sensor.
The utility model technical matters to be solved adopts following technical scheme to realize,
A kind of colliery pipeline is used temperature sensor, is included as the feed circuit and the single-chip microcomputer of sensor power supply, and described Single-chip Controlling is connected with warning circuit, display circuit, the infrared joint circuit of remote control and frequency, electric current, voltage signal output circuit; It is characterized in that: also comprise temperature sensing circuit and A/D transducer; Described temperature sensing circuit comprises sampling head, after the sampling head sampling, converts temperature variation into analog voltage signal through the A/D transducer; After amplifier is amplified, directly sending into single-chip microcomputer handles; Single-chip microcomputer with the signal that collects after treatment on the spot numeral show, and convert standard signal into and be transferred to associate device, realize remote centralized control.
Described sampling head is a semiconductor material.
The infrared joint circuit of described remote control comprises an IR remote controller; IR remote controller converts the various key commands of key control circuit to serial infrared light coded signal and sends; Convert serial infrared light coded signal to serial electric signal through receiver and send single-chip microcomputer to handle, accomplish various control function.
The beneficial effect of the utility model is:
(1), adopt high precision and novel intelligent numeral high-precision temperature IC element, long service life, moistureproof dustproof anticorrosive erosion, instrument performance is more stable;
(2), adopt new single chip microcomputer and high integrated digital circuit, make circuit structure simple, dependable performance is convenient to maintenance and debugging;
(3), adopt functions such as infrared remote control adjustment zero point, sensitivity, adjustment is easy;
(4), shell adopts the design of Q235 steel, strengthened the shock resistance and the resistance to corrosion of sensor.
Description of drawings
Fig. 1 is the utility model functional-block diagram;
Embodiment
For technological means, creation characteristic that the utility model is realized, reach purpose and be easy to understand understanding with effect, below in conjunction with concrete diagram, further set forth the utility model.
To shown in Figure 3, a kind of colliery pipeline is used temperature sensor like Fig. 1, is included as the feed circuit and the single-chip microcomputer of sensor power supply; Single-chip Controlling is connected with warning circuit, display circuit, the infrared joint circuit of remote control and frequency, electric current, voltage signal output circuit; Also comprise temperature sensing circuit and A/D transducer, temperature sensing circuit comprises sampling head, after the sampling head sampling; Convert temperature variation into analog voltage signal through the A/D transducer; After amplifier is amplified, directly send into single-chip microcomputer and handle, single-chip microcomputer with the signal that collects after treatment on the spot numeral show, and convert standard signal into and be transferred to associate device; Realize remote centralized control, sampling head is a semiconductor material; The infrared joint circuit of remote control comprises an IR remote controller; IR remote controller converts the various key commands of key control circuit to serial infrared light coded signal and sends; Convert serial infrared light coded signal to serial electric signal through receiver and send single-chip microcomputer to handle, accomplish various control function.
More than show and described ultimate principle of the utility model and the advantage of principal character and the utility model.The technician of the industry should understand; The utility model is not restricted to the described embodiments; The principle of describing in the foregoing description and the instructions that the utility model just is described; Under the prerequisite that does not break away from the utility model spirit and scope, the utility model also has various changes and modifications, and these variations and improvement all fall in the utility model scope that requires protection.The utility model requires protection domain to be defined by appending claims and equivalent thereof.
Claims (3)
1. the colliery pipeline is used temperature sensor, is included as the feed circuit and the single-chip microcomputer of sensor power supply, and described Single-chip Controlling is connected with warning circuit, display circuit, the infrared joint circuit of remote control and frequency, electric current, voltage signal output circuit; It is characterized in that: also comprise temperature sensing circuit and A/D transducer; Described temperature sensing circuit comprises sampling head, after the sampling head sampling, converts temperature variation into analog voltage signal through the A/D transducer; After amplifier is amplified, directly sending into single-chip microcomputer handles; Single-chip microcomputer with the signal that collects after treatment on the spot numeral show, and convert standard signal into and be transferred to associate device, realize remote centralized control.
2. colliery according to claim 1 pipeline is used temperature sensor, it is characterized in that: described sampling head is a semiconductor material.
3. colliery according to claim 1 pipeline is used temperature sensor; It is characterized in that: the infrared joint circuit of described remote control comprises an IR remote controller; IR remote controller converts the various key commands of key control circuit to serial infrared light coded signal and sends; Convert serial infrared light coded signal to serial electric signal through receiver and send single-chip microcomputer to handle, accomplish various control function.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011205160244U CN202403819U (en) | 2011-12-12 | 2011-12-12 | Temperature sensor for coal mining pipeline |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011205160244U CN202403819U (en) | 2011-12-12 | 2011-12-12 | Temperature sensor for coal mining pipeline |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202403819U true CN202403819U (en) | 2012-08-29 |
Family
ID=46701461
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011205160244U Expired - Fee Related CN202403819U (en) | 2011-12-12 | 2011-12-12 | Temperature sensor for coal mining pipeline |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202403819U (en) |
-
2011
- 2011-12-12 CN CN2011205160244U patent/CN202403819U/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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120829 Termination date: 20141212 |
|
| EXPY | Termination of patent right or utility model |