CN204854807U - Display module is gathered to humiture - Google Patents
Display module is gathered to humiture Download PDFInfo
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- CN204854807U CN204854807U CN201520528813.8U CN201520528813U CN204854807U CN 204854807 U CN204854807 U CN 204854807U CN 201520528813 U CN201520528813 U CN 201520528813U CN 204854807 U CN204854807 U CN 204854807U
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- display module
- humiture collection
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Abstract
The utility model discloses a display module is gathered to humiture belongs to environment detection area, display module is gathered to humiture includes center control unit and power module, center control unit is connected with wireless communication module and at least one humiture acquisition sensor, center control unit, humiture acquisition sensor and wireless communication module all pass through the power module power supply, wherein: humiture acquisition sensor adopts the SHT10 chip, wireless communication module adopts the MT7681 chip. Compared with the prior art, the utility model has the advantages of the accuracy is high, the design is convenient, the flexibility is good, occupation space is little.
Description
Technical field
The utility model relates to environment measuring field, refers to a kind of humiture collection display module especially.
Background technology
Along with the development of society, people to life and industrial environmental quality requirement more and more higher.Room, automobile, warehouse etc. all be unable to do without the requirement to environment, and to the accurate acquisition of environmental parameter, contributing to us can make corresponding Improving Measurements, to guarantee normally carrying out of our productive life.Humiture, as the key factor affecting environment, has become the important detection target in environment measuring.
At present, adopt thermistor and humicap to difference measuring tempeature and humidity in prior art, this humiture measurement mechanism is in the not high occasion of accuracy requirement or adequate, but occasion its shortcoming higher in accuracy requirement is just more outstanding, and, when to relate to the detection of two parameters simultaneously, two independently sensor and independently data processing circuits must be used, the design complexity of measurement mechanism is increased greatly.In addition, Temperature and Humidity of the prior art adopts the wired modes such as RS232, RS485 to carry out telecommunication, and this communication mode wiring is loaded down with trivial details, it is large to take up room.
Utility model content
The technical problems to be solved in the utility model is to provide the humiture collection display module that a kind of accuracy is high, design is convenient, dirigibility is good, take up room little.
For solving the problems of the technologies described above, the utility model provides technical scheme as follows:
A kind of humiture collection display module, comprise centralized control unit and power module, described centralized control unit is connected with wireless communication module and at least one humiture collection sensor, described centralized control unit, humiture collection sensor and wireless communication module are all powered by described power module, wherein:
Described humiture collection sensor adopts SHT10 chip, and described wireless communication module adopts MT7681 chip.
Further, described centralized control unit is also connected with display module, and described display module is powered by described power module.
Further, described centralized control unit is the single-chip microcomputer of AVRAtmage series.
Further, DATA, SCK pin of described SHT10 chip is connected with TOSC1, TOSC2 pin of described single-chip microcomputer respectively, and DATA, SCK pin of described SHT10 is also connected to pull-up resistor.
Further, described humiture collection display module also comprises radio control circuit, described radio control circuit comprises MOSFET, the grid of described MOSFET is connected with the I/O pin of described single-chip microcomputer by current-limiting resistance, the drain electrode of described MOSFET is connected with the grounding pin of described MT7681 chip, the source ground of described MOSFET.
Further, described humiture collection display module also comprises indicator light circuit, described indicator light circuit comprises light emitting diode, and the negative pole of described light emitting diode is connected with the I/O pin of described single-chip microcomputer, and the positive pole of described light emitting diode is connected to described power module by current-limiting resistance.
Further, described humiture collection display module also comprises reset circuit, and described reset circuit comprises keyswitch, one end ground connection of described keyswitch, the other end is connected with the INT0 pin of described single-chip microcomputer, and the INT0 pin of described single-chip microcomputer is also connected with pull-up resistor.
Further, described display module is LCD1602 liquid crystal display circuit or LCD12864 liquid crystal display circuit.
Further, described power module comprises the Switching Power Supply that can export 5V DC voltage and the voltage conversion circuit that 5V DC voltage can be converted to 3.3V DC voltage, and described voltage conversion circuit is the mu balanced circuit adopting LD1117A3.3 chip.
The utility model has following beneficial effect:
Compared with prior art, humiture collection display module of the present utility model, employing model is that the digital hygro sensor chip of SHT10 gathers humiture, SHT10 chip is the humiture compound sensor that a digital signal exports, its making adopts the CMOS process micro-processing technology of specialty, make it have the characteristic of reliability height and good stability, SHT10 chip internal comprises a condenser type condensate hygrometric element and an energy gap type temperature element, A/D converter and the serial interface circuit of hygrometric element and temperature element and one 14 realize seamless link on the same chip, therefore, it is high that SHT10 chip has accuracy of detection, fast response time, strong and the cost performance advantages of higher of antijamming capability, in addition, the utility model also adopts MT7681 chip as wireless communication module, make the utility model just can the data upload collected to miscellaneous equipment by wireless signal, compared with the wire communication adopted in prior art, the utility model dirigibility is good, take up room little.
Accompanying drawing explanation
Fig. 1 is the structural representation of humiture collection display module of the present utility model;
Fig. 2 is the circuit theory diagrams of the single-chip microcomputer of humiture collection display module of the present utility model;
Fig. 3 is the circuit theory diagrams of the SHT10 chip of humiture collection display module of the present utility model;
Fig. 4 is the circuit theory diagrams of the radio control circuit of humiture collection display module of the present utility model;
Fig. 5 is the circuit theory diagrams of the indicator light circuit of humiture collection display module of the present utility model;
Fig. 6 is the circuit theory diagrams of the reset circuit of humiture collection display module of the present utility model;
Fig. 7 is the circuit theory diagrams of the power module of humiture collection display module of the present utility model.
Embodiment
For making the technical problems to be solved in the utility model, technical scheme and advantage clearly, be described in detail below in conjunction with the accompanying drawings and the specific embodiments.
The utility model provides a kind of humiture collection display module, as shown in Figure 1, comprise centralized control unit 11 and power module, centralized control unit 11 is connected with wireless communication module 12 and at least one humiture collection sensor 13, centralized control unit 11, humiture collection sensor 13 and wireless communication module 12 are all powered by power module, wherein:
Humiture collection sensor 13 adopts SHT10 chip, and wireless communication module 12 adopts MT7681 chip.
The utility model employing model is that the digital hygro sensor chip of SHT10 gathers humiture, SHT10 chip is the humiture compound sensor that a digital signal exports, its making adopts the CMOS process micro-processing technology of specialty, make it have the characteristic of reliability height and good stability, SHT10 chip internal comprises a condenser type condensate hygrometric element and an energy gap type temperature element, A/D converter and the serial interface circuit of hygrometric element and temperature element and one 14 realize seamless link on the same chip, therefore, compared with prior art, it is high that the utility model has accuracy of detection, fast response time, strong and the cost performance advantages of higher of antijamming capability, in addition, the utility model also adopts MT7681 chip as wireless communication module 12, make the utility model just can the data upload collected to miscellaneous equipment by wireless signal, compared with the wire communication adopted in prior art, the utility model dirigibility is good, take up room little.
Improve as one of the present utility model, as shown in Figure 1, centralized control unit 11 is also connected with display module 15, and display module 15 is powered by power module.Display module 15 of the present utility model makes people can grasp the humiture parameter of current indoor in real time, and data of the present utility model are reflected more directly perceived, display module 15 can adopt LED charactron, LCD liquid crystal display etc.
Preferably, as shown in Figure 3, centralized control unit 11 is the single-chip microcomputer of AVRAtmage series.The single-chip microcomputer of AVRAtmage series is high-performance, Low-Power CMOS microcontroller based on the AVRRISC structure strengthened, and data processing speed is fast, stability is high.
In the utility model, as shown in Figure 3, the supply voltage of SHT10 is 2.4V-5.5V, after sensor powers on, wait for 11ms, from " dormancy " recovering state, do not send any instruction during this period, the electric capacity of a 100nF can be increased, for decoupling filtering between power pins (VDD) and ground (GND).The two-wire serial interface of SHT10 comprises DATA, SCK pin, and wherein, DATA pin is used for the data transmission between single-chip microcomputer and SHT10, and SCK pin is the synchronous clock communicated between single-chip microcomputer with SHT10.During design, DATA, SCK pin can be connected with TOSC1, TOSC2 pin of single-chip microcomputer respectively, and DATA, SCK pin is also connected to pull-up resistor.
One as this practicality is improved, as shown in Figure 4, humiture collection display module also comprises radio control circuit, radio control circuit comprises MOSFET, the grid of MOSFET is connected with the I/O pin of single-chip microcomputer by current-limiting resistance, the drain electrode of MOSFET is connected with the grounding pin of MT7681 chip, the source ground of MOSFET.Radio control circuit can by the break-make of control MOSFET, control MT7681 chip operation state further, when MOSFET connects, and the grounding pin ground connection of MT7681 chip, MT7681 chip is in running order, realizes the wireless transmission of data; When MOSFET disconnects, the grounding pin of MT7681 chip is unsettled, and MT7681 chip quits work, and the wireless transmission of data stops.The utility model can set MT7681 chip as " intermittently " duty, and energy consumption of the present utility model is reduced.
In the utility model, as shown in Figure 5, humiture collection display module also comprises indicator light circuit, and indicator light circuit comprises light emitting diode, the negative pole of light emitting diode is connected with the I/O pin of single-chip microcomputer, and the positive pole of light emitting diode is connected to power module by current-limiting resistance.Indicator light circuit can indicate whether the utility model is in running order, improves the convenience in the utility model use procedure.
Improve as another kind of the present utility model, as shown in Figure 6, humiture collection display module also comprises reset circuit, reset circuit comprises keyswitch RET2, one end ground connection of keyswitch RET2, the other end is connected with the INT0 pin of single-chip microcomputer, and the INT0 pin of single-chip microcomputer is also connected with pull-up resistor.Reset circuit of the present utility model by the switch RET2 that pushes button, can make the level of the INT0 pin of single-chip microcomputer drag down, enters interrupt routine, make circuit return to initial state.
Preferably, display module 15 can be LCD1602 liquid crystal display circuit or LCD12864 liquid crystal display circuit.LCD liquid crystal display circuit is low in energy consumption, volume is little, is applicable to the electronic equipment of data acquisition.
In the utility model, as shown in Figure 7, power module comprises the Switching Power Supply that can export 5V DC voltage and the voltage conversion circuit that 5V DC voltage can be converted to 3.3V DC voltage, in order to improve the heat-sinking capability of voltage conversion circuit, voltage conversion circuit can adopt the mu balanced circuit of LD1117A3.3 chip.
The above is preferred implementation of the present utility model; should be understood that; for those skilled in the art; under the prerequisite not departing from principle described in the utility model; can also make some improvements and modifications, these improvements and modifications also should be considered as protection domain of the present utility model.
Claims (9)
1. a humiture collection display module, it is characterized in that, comprise centralized control unit and power module, described centralized control unit is connected with wireless communication module and at least one humiture collection sensor, described centralized control unit, humiture collection sensor and wireless communication module are all powered by described power module, wherein:
Described humiture collection sensor adopts SHT10 chip, and described wireless communication module adopts MT7681 chip.
2. humiture collection display module according to claim 1, is characterized in that, described centralized control unit is also connected with display module, and described display module is powered by described power module.
3. humiture collection display module according to claim 2, is characterized in that, described centralized control unit is the single-chip microcomputer of AVRAtmage series.
4. humiture collection display module according to claim 3, it is characterized in that, DATA, SCK pin of described SHT10 chip is connected with TOSC1, TOSC2 pin of described single-chip microcomputer respectively, and DATA, SCK pin of described SHT10 is also connected to pull-up resistor.
5. humiture collection display module according to claim 3, it is characterized in that, described humiture collection display module also comprises radio control circuit, described radio control circuit comprises MOSFET, the grid of described MOSFET is connected with the I/O pin of described single-chip microcomputer by current-limiting resistance, the drain electrode of described MOSFET is connected with the grounding pin of described MT7681 chip, the source ground of described MOSFET.
6. humiture collection display module according to claim 3, it is characterized in that, described humiture collection display module also comprises indicator light circuit, described indicator light circuit comprises light emitting diode, the negative pole of described light emitting diode is connected with the I/O pin of described single-chip microcomputer, and the positive pole of described light emitting diode is connected to described power module by current-limiting resistance.
7. humiture collection display module according to claim 3, it is characterized in that, described humiture collection display module also comprises reset circuit, described reset circuit comprises keyswitch, one end ground connection of described keyswitch, the other end is connected with the INT0 pin of described single-chip microcomputer, and the INT0 pin of described single-chip microcomputer is also connected with pull-up resistor.
8., according to described humiture collection display module arbitrary in claim 1-7, it is characterized in that, described display module is LCD1602 liquid crystal display circuit or LCD12864 liquid crystal display circuit.
9. humiture collection display module according to claim 8, it is characterized in that, described power module comprises the Switching Power Supply that can export 5V DC voltage and the voltage conversion circuit that 5V DC voltage can be converted to 3.3V DC voltage, and described voltage conversion circuit is the mu balanced circuit adopting LD1117A3.3 chip.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520528813.8U CN204854807U (en) | 2015-07-21 | 2015-07-21 | Display module is gathered to humiture |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520528813.8U CN204854807U (en) | 2015-07-21 | 2015-07-21 | Display module is gathered to humiture |
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| Publication Number | Publication Date |
|---|---|
| CN204854807U true CN204854807U (en) | 2015-12-09 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520528813.8U Expired - Fee Related CN204854807U (en) | 2015-07-21 | 2015-07-21 | Display module is gathered to humiture |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2020042403A1 (en) * | 2018-08-31 | 2020-03-05 | 武汉互创联合科技有限公司 | Apparatus for obtaining incubator data |
-
2015
- 2015-07-21 CN CN201520528813.8U patent/CN204854807U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2020042403A1 (en) * | 2018-08-31 | 2020-03-05 | 武汉互创联合科技有限公司 | Apparatus for obtaining incubator data |
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Legal Events
| Date | Code | Title | Description |
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| 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: 20151209 Termination date: 20170721 |
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| CF01 | Termination of patent right due to non-payment of annual fee |