CN203311621U - Embedded wireless distribution type temperature monitoring system - Google Patents
Embedded wireless distribution type temperature monitoring system Download PDFInfo
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- CN203311621U CN203311621U CN2013202460138U CN201320246013U CN203311621U CN 203311621 U CN203311621 U CN 203311621U CN 2013202460138 U CN2013202460138 U CN 2013202460138U CN 201320246013 U CN201320246013 U CN 201320246013U CN 203311621 U CN203311621 U CN 203311621U
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Abstract
The utility model relates to an embedded wireless distribution type temperature monitoring system. The wireless distribution type temperature monitoring system comprises a temperature acquisition device and a monitoring terminal, wherein the temperature acquisition device and the monitoring terminal are arranged at each site; the monitoring terminal is used for receiving temperature data; the temperature acquisition device comprises temperature sensors, a wireless emitting device, a wireless receiving device and a secondary power wire carrier wave modulating/demodulating module, wherein the wireless emitting device is connected with the temperature sensor and suitable for emitting the temperature data in a wireless manner; the wireless receiving device is suitable for receiving the temperature data; the secondary power wire carrier wave modulating/demodulating module is connected with the wireless receiving device, and used for modulating and sending the temperature data; the monitoring terminal comprises a primary power wire carrier wave modulating/demodulating module which is used for receiving and demodulating the temperature data by the power wire. According to the embedded wireless distribution type temperature monitoring system disclosed by the utility model, the primary power wire carrier wave modulating/demodulating module and the secondary power wire carrier wave modulating/demodulating module are arranged for modulating and demodulating the temperature data, so that the transmission distance is further than that of the wireless device, and therefore, the wireless distribution type temperature monitoring system is especially suitable for detecting the temperature in an area in which wireless manner cannot be realized, such as a mine, as well as suitable for controlling a ventilating device.
Description
Technical field
The utility model relates to a kind of temperature monitoring system, relates in particular to a kind of based on Embedded wireless distributed temperature monitoring system.
Background technology
A lot of occasions are very high to the requirement of temperature, particularly the occasions such as grain depot, warehouse, mine, machine room, dump, greenhouse, chicken farm.If temperature raises, easily damage by worms in grain, warehouse.If respectively in each warehouse or scene all be provided with a set of temperature monitoring system, that cost will be very high, if adopt the words of distributed temperature monitoring, data transmission also can be brought problem, wherein, adopt wireless signal, due to the problem of wireless signal distance, so can't be in each warehouse distributed more widely or this mode of field by using, so how in warehouse distributed more widely or on-the-spot each test is carried out to the technical barrier that temperature monitoring is this area.
The utility model content
The technical problems to be solved in the utility model is to provide a kind of based on Embedded wireless distributed temperature monitoring system, this wireless distributed temperature monitoring system has solved the technical matters of temperature data transmission, be particularly suitable at warehouse distributed more widely, silo, or the underground mine wireless signal occasion that can't penetrate.
In order to solve the problems of the technologies described above, the utility model provides a kind of and has comprised based on Embedded wireless distributed temperature monitoring system, is located at each on-the-spot temperature collecting device, be used to receiving the monitor terminal of temperature data; Described temperature collecting device comprises: temperature sensor, the wireless launcher that is suitable for the wireless transmit temperature data be connected with described temperature sensor; Be suitable for receiving the radio receiver of described temperature data, with radio receiver, be connected with radio receiver, be connected for modulation, send described temperature data from the power line carrier modulation/demodulation modules; Described monitor terminal comprises: for by line of electric force, receiving, the main power line carrier modulation/demodulation module of the described temperature data of demodulation.
Further, described monitor terminal comprises: with the ARM module that described main power line carrier modulation/demodulation module is connected, this ARM module also is suitable for showing that with one the display module of each scene temperature is connected.
Further, the humidity situation of Test Field, avoid the on-the-spot situations such as mouldy that occur, described temperature collecting device also comprises the humidity sensor be connected with described wireless launcher.
Further, when temperature, humidity are too high, start that ventilation unit is lowered the temperature, wet down, this system also comprises is located at ventilation unit each scene, that controlled by described monitor terminal, this ventilation unit with from the power line carrier modulation/demodulation modules, be connected.
Technique scheme of the present utility model has the following advantages compared to existing technology: (1) the utility model is by being provided with master and slave power line carrier modulation/demodulation modules modulation, demodulation temperature data, transmission range is than the long transmission distance of wireless device, be particularly suitable for the area that can't pass through wireless, for example the temperature detection in mine; (2) use of the wireless transmitter in described temperature collecting device, avoid temperature sensor restricted by circuit, without wiring, can arbitrarily place as required.
The accompanying drawing explanation
For content of the present utility model is more likely to be clearly understood, below the specific embodiment by reference to the accompanying drawings of basis, the utility model is described in further detail, wherein
Fig. 1 is the circuit block diagram based on Embedded wireless distributed temperature monitoring system of the present utility model;
Fig. 2 is the topological diagram based on Embedded wireless distributed temperature monitoring system of the present utility model.
Embodiment
The present invention is described in detail below in conjunction with drawings and Examples:
See Fig. 1 and Fig. 2, a kind ofly based on Embedded wireless distributed temperature monitoring system, comprise, be located at each on-the-spot temperature collecting device, be used to receiving the monitor terminal of temperature data; Described temperature collecting device comprises: temperature sensor, the wireless launcher that is suitable for the wireless transmit temperature data be connected with described temperature sensor; Be suitable for receiving the radio receiver of described temperature data, with radio receiver, be connected from the power line carrier modulation/demodulation modules; By described, send described temperature data from the modulation of power line carrier modulation/demodulation modules, this temperature data transfers to by line of electric force main power line carrier modulation/demodulation module of being located in described monitor terminal and carries out demodulation, to obtain the relevant temperature data.
Described power line carrier modulation/demodulation modules, can adopt patent of invention " power line carrier communication device and carrier communication method thereof ", its application number " 200910157608.4 ", the technical scheme in publication number " 101651472 ".
Temperature sensor adopts the DS18B20 digital temperature sensor, and described radio receiver and radio receiver can adopt the NRF24L01 wireless module.
NRF24L01 is a new single chip radio-frequency receiving-transmitting device, works in 2.4 GHz～2.5 GHz ISM band.The functional modules such as built-in frequency synthesizer, power amplifier, crystal oscillator, modulator, and merged enhancement mode ShockBurst technology, wherein output power and communication channel can be configured by program.NRF24L01 is low in energy consumption, and when the power emission with-6 dBm, working current also only has 9 mA, and during reception, working current only has 12.3 mA, and multiple low-power working mode (power-down mode and idle pulley), make energy-saving design more convenient.
Described monitor terminal comprises: with the ARM module that described main power line carrier modulation/demodulation module is connected, this ARM module also is suitable for showing that with one the display module of each scene temperature is connected.
Wherein, also can adopt the MCU module to realize, be specifically as follows single-chip microcomputer, DSP and all can realize; Described display module can adopt LCD MODULE (model 1602), lattice display module.
Described temperature collecting device also comprises the humidity sensor be connected with described wireless launcher.
Describedly based on Embedded wireless distributed temperature monitoring system, also comprise and be located at ventilation unit each scene, that controlled by described monitor terminal, this ventilation unit with from the power line carrier modulation/demodulation modules, be connected.When described monitor terminal is suitable for detecting a scene temperature or humidity and surpasses setting value, send enabling signal, by described main power line carrier modulation/demodulation module, modulate, describedly from the power line carrier modulation/demodulation modules, carry out demodulation, to start the ventilation unit at corresponding scene.
Obviously, above-described embodiment is only for the utility model example clearly is described, and is not the restriction to embodiment of the present utility model.For those of ordinary skill in the field, can also make other changes in different forms on the basis of the above description.Here exhaustive without also giving all embodiments.And these belong to apparent variation or the change that spirit of the present utility model extended out and still are among protection domain of the present utility model.
Claims (4)
1. one kind based on Embedded wireless distributed temperature monitoring system, it is characterized in that comprising, is located at each on-the-spot temperature collecting device, be used to receiving the monitor terminal of temperature data;
Described temperature collecting device comprises: temperature sensor, the wireless launcher that is suitable for the wireless transmit temperature data be connected with described temperature sensor; Be suitable for receiving the radio receiver of described temperature data, with radio receiver, be connected for modulation, send described temperature data from the power line carrier modulation/demodulation modules;
Described monitor terminal comprises: for by line of electric force, receiving, the main power line carrier modulation/demodulation module of the described temperature data of demodulation.
2. according to claim 1 based on Embedded wireless distributed temperature monitoring system, it is characterized in that, described monitor terminal comprises: with the ARM module that described main power line carrier modulation/demodulation module is connected, this ARM module also is suitable for showing that with one the display module of each scene temperature is connected.
3. according to claim 2ly based on Embedded wireless distributed temperature monitoring system, it is characterized in that, described temperature collecting device also comprises the humidity sensor be connected with described wireless launcher.
4. according to claim 3 based on Embedded wireless distributed temperature monitoring system, it is characterized in that, this wireless distributed temperature monitoring system also comprises is located at ventilation unit each scene, that controlled by described monitor terminal, this ventilation unit with from the power line carrier modulation/demodulation modules, be connected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013202460138U CN203311621U (en) | 2013-05-08 | 2013-05-08 | Embedded wireless distribution type temperature monitoring system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013202460138U CN203311621U (en) | 2013-05-08 | 2013-05-08 | Embedded wireless distribution type temperature monitoring system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203311621U true CN203311621U (en) | 2013-11-27 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2013202460138U Expired - Fee Related CN203311621U (en) | 2013-05-08 | 2013-05-08 | Embedded wireless distribution type temperature monitoring system |
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| CN (1) | CN203311621U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104614021A (en) * | 2015-02-03 | 2015-05-13 | 李冠君 | Underground early-warning and monitoring device for mine |
-
2013
- 2013-05-08 CN CN2013202460138U patent/CN203311621U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104614021A (en) * | 2015-02-03 | 2015-05-13 | 李冠君 | Underground early-warning and monitoring device for mine |
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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: 20131127 Termination date: 20140508 |