CN204085557U - A kind of wireless humiture transmitter - Google Patents
A kind of wireless humiture transmitter Download PDFInfo
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- CN204085557U CN204085557U CN201420085350.8U CN201420085350U CN204085557U CN 204085557 U CN204085557 U CN 204085557U CN 201420085350 U CN201420085350 U CN 201420085350U CN 204085557 U CN204085557 U CN 204085557U
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Abstract
The utility model relates to a kind of wireless humiture transmitter, comprise power transfer module, central processing module, ambient temperature and humidity acquisition module, for display device state and current measurement value LCD MODULE and support the communication module of multi-signal transmission mode, communication module and the central processing module of described power transfer module, ambient temperature and humidity acquisition module, LCD MODULE and multi-signal transmission mode communicate to connect.Beneficial effect is: the acquisition problems solving the ambient temperature and humidity in current industry-by-industry, facilitates the installation of user, for user further reduces cost; And by supporting that the communication module of multi-signal transmission mode is to strengthen the adaptability of transmitter to various network environment.
Description
Technical field
The present invention relates to SIC (semiconductor integrated circuit), particularly relate to a kind of wireless humiture transmitter.
Background technology
In informationalized today, all trades and professions are more and more paid attention to production, Item Management and warehouse and are stored link, and a lot of warehouse stores very important material, as: cigarette, spinning, medicinal material, food etc.Intact in order to safeguard the quality of storing commodity, create the environment being suitable for commodity and storing, when the humiture in warehouse is suitable for storing commodity, will manage to prevent weather outside storehouse to the adverse effect in storehouse; When monitoring humiture in storehouse and being not suitable for commodity storage, the humiture regulating warehouse will be taken effective measures in time.Existing wireless humiture transmitter adopts wireless transmission mostly, is easily subject to the interference of wireless signal when Signal transmissions.Therefore, need Real-time Collection humiture have the detection system compared with strong adaptability to Internet Transmission environment.
Summary of the invention
The object of the invention is the deficiency overcoming above prior art, solves the acquisition problems of the ambient temperature and humidity in current industry-by-industry, provides a kind of wireless humiture transmitter facilitating user installation, reduce costs, specifically has following technical scheme to realize:
Described wireless humiture transmitter, comprise power transfer module, central processing module, ambient temperature and humidity acquisition module, for display device state and current measurement value LCD MODULE and support the communication module of multi-signal transmission mode, communication module and the central processing module of described power transfer module, ambient temperature and humidity acquisition module, LCD MODULE and multi-signal transmission mode communicate to connect.
The further design of described wireless humiture transmitter is, described communication module is provided with SPI interface, and is connected with described central processing module by described SPI interface.
The further design of described wireless humiture transmitter is, described communication module comprises Landline communication unit and wireless communication unit.
The further design of described wireless humiture transmitter is, described Landline communication unit is 485 wire communication circuit.
The further design of described wireless humiture transmitter is, the signal sampling frequency range of described wireless communication unit is 433MHZ.
The further design of described wireless humiture transmitter is, described LCD MODULE is made up of the lcd screen of display circuit and one piece of 8 * 2.
The further design of described wireless humiture transmitter is, described central processing module is 8 single-chip microcomputers.
The further design of described wireless humiture transmitter is, also comprise the external data memory that a support power down stores, described external data memory communicates to connect with central processing module and communication module respectively.
Advantage of the present invention is as follows:
The wireless humiture transmitter that the utility model provides solves the acquisition problems of the ambient temperature and humidity in current industry-by-industry, facilitates the installation of user, for user further reduces cost; And by supporting that the communication module of multi-signal transmission mode is to strengthen the adaptability of transmitter to various network environment.
Accompanying drawing explanation
Fig. 1 is the circuit diagram of wireless humiture transmitter.
Fig. 2 is the circuit diagram of 8 single-chip microcomputers.
Fig. 3 is the circuit diagram of display circuit.
In figure, 1-power transfer module, 2-central processing module, 3-Landline communication unit, 4-external data memory, 5-wireless communication unit, 6-ambient temperature and humidity acquisition module, 7-LCD MODULE.
Embodiment
Below in conjunction with accompanying drawing, the present invention program is described in detail.
As Fig. 1, wireless humiture transmitter, comprise power transfer module, central processing module, ambient temperature and humidity acquisition module, for display device state and current measurement value LCD MODULE and support the communication module of multi-signal transmission mode.Communication module and the central processing module of power transfer module, ambient temperature and humidity acquisition module, LCD MODULE and multi-signal transmission mode communicate to connect.
Power transfer module (1), the high voltage for being inputted outside is converted into the operational voltage value of system works.External voltage is converted into the DC voltage of 5V and 3.3V by power conversion module, and the work for the various piece of system provides stable voltage.Wherein, power interface part, without the need to distinguishing both positive and negative polarity access, facilitates user and has ensured the safety of equipment.
Central processing module (2), is mainly used in the work between the modules of whole system of coordinating and the process to data message.When system obtains electric, central processing module (2) starts initialization modules, and the state of respective modules is shown in LCD MODULE (7); After system initialization completes, the transmission of the data of central processing module (2) then between the process of the data of primary responsibility ambient temperature and humidity acquisition module (6) and modules.Central processing module is 8 single-chip microcomputers.The model that single-chip microcomputer in the present embodiment is selected is AT89852, see Fig. 2.
Communication module comprises Landline communication unit and wireless communication unit.Communication module is provided with SPI interface, and is connected with central information processing module by SPI interface.
In the present embodiment, Landline communication unit is 485 wire communication circuit.485 wire communication circuit (3), primary responsibility transmitter is by wired mode and PERCOM peripheral communication.Outside is connected with transmitter by 485 twisted-pair feeders, so that the exchanges data of both sides.When 485 wire communication module (3) detect outside request of data, just data are sent to central processing module (2), central processing module (2) is by judging request of data object and the data of correspondence being returned requesting party.The change of 485 wire communication module (3) primary responsibility humiture is specifically sent and the function of wired configuration of equipment.
Wireless communication unit (5), is mainly used in the communication of the wireless data of transmitter and external unit.Wireless communication unit (5) is mainly used to the value receiving the wireless request data of external unit and the humiture after sending central processing module (2) process.Wireless communication unit (5) is connected with central processing module (2) by SPI mouth, adopts the free frequency range of 433MHZ, has the advantage of long transmission distance, transmission data stabilization.
External data memory (4), communicates to connect with central processing module and communication module respectively.Be mainly used in the preset parameter of storage system and keep power down not lose.System is when initialization, and central processing module (2) therefrom obtains predetermined parameter value, carrys out the working method of initialization respective modules according to predetermined parameter.When transmitter is by 485 wire communication module (3) configuration parameter, corresponding parameter can be stored to external data memory (4).
Ambient temperature and humidity acquisition module (6), for detecting the value of the humiture of the environment of surrounding.The data collected are sent to central processing module (2) by I2C interface by ambient temperature and humidity acquisition module (6), and central processing module (2) carries out corresponding data processing to the data received again.In the present embodiment, ambient temperature and humidity acquisition module adopts high-precision AM2321 Temperature Humidity Sensor.This sensor is communicated with central processing module by IC bus agreement, and humiture information is uploaded in real time, has the feature of ultra-small volume, super low-power consumption, extra low voltage work.
LCD MODULE (7), for state and the current measurement value of display device.LCD MODULE (7) when system initialization, the initial state of display modules one by one.After system completes initialization, LCD MODULE (7) receives the humiture information of central processing module (2), and really showing corresponding humiture.In the present embodiment, LCD MODULE is made up of the lcd screen of display circuit and one piece of 8 * 2.Display screen selects the character mode lcd display screen of LCD0802, and display circuit is see Fig. 3.
The wireless humiture transmitter that the utility model embodiment provides, by transmitter and network Progressive symmetric erythrokeratodermia being bound, namely transmitter arranges a device id number and a network ID number, for the wireless of equipment and wired networking.The data of this equipment are conveyed through two kinds of modes, and one is 433 wireless transmission, and another is 485 wire transmission.When equipment is operated in when surrounding environment does not allow to connect up, the mode of correspondence with foreign country is set to the radio communication of 433 by the communication module of equipment, and this communication mode has distance, low in energy consumption, reliability strong, install simple feature.If it is more complicated that equipment is operated in surrounding environment, during to the occasion that wireless signal interference ratio is higher, the communication mode with outside is set to be 485 communication modes by the communication module of equipment.
Claims (7)
1. a wireless humiture transmitter, it is characterized in that comprising power transfer module, central processing module, ambient temperature and humidity acquisition module, for display device state and current measurement value LCD MODULE and support the communication module of multi-signal transmission mode, communication module and the central processing module of described power transfer module, ambient temperature and humidity acquisition module, LCD MODULE and multi-signal transmission mode communicate to connect, and described LCD MODULE is made up of the lcd screen of display circuit and one piece of 8 * 2.
2. wireless humiture transmitter according to claim 1, is characterized in that described communication module is provided with SPI interface, and is connected with described central processing module by described SPI interface.
3. wireless humiture transmitter according to claim 1, is characterized in that described communication module comprises Landline communication unit and wireless communication unit.
4. wireless humiture transmitter according to claim 3, is characterized in that described Landline communication unit is 485 wire communication circuit.
5. wireless humiture transmitter according to claim 3, is characterized in that the signal sampling frequency range of described wireless communication unit is 433MHZ.
6. wireless humiture transmitter according to claim 1, is characterized in that described central processing module is 8 single-chip microcomputers.
7. wireless humiture transmitter according to claim 1, characterized by further comprising the external data memory that a support power down stores, described external data memory communicates to connect with central processing module and communication module respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420085350.8U CN204085557U (en) | 2014-02-27 | 2014-02-27 | A kind of wireless humiture transmitter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420085350.8U CN204085557U (en) | 2014-02-27 | 2014-02-27 | A kind of wireless humiture transmitter |
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| Publication Number | Publication Date |
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| CN204085557U true CN204085557U (en) | 2015-01-07 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201420085350.8U Expired - Fee Related CN204085557U (en) | 2014-02-27 | 2014-02-27 | A kind of wireless humiture transmitter |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108051026A (en) * | 2017-11-23 | 2018-05-18 | 武汉湖滨电器有限公司 | Humiture transducer |
-
2014
- 2014-02-27 CN CN201420085350.8U patent/CN204085557U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108051026A (en) * | 2017-11-23 | 2018-05-18 | 武汉湖滨电器有限公司 | Humiture transducer |
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| 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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150107 Termination date: 20210227 |