CN203083611U - Multi-point temperature and humidity measurement apparatus for thermal environment of large-space building - Google Patents
Multi-point temperature and humidity measurement apparatus for thermal environment of large-space building Download PDFInfo
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- CN203083611U CN203083611U CN 201320048026 CN201320048026U CN203083611U CN 203083611 U CN203083611 U CN 203083611U CN 201320048026 CN201320048026 CN 201320048026 CN 201320048026 U CN201320048026 U CN 201320048026U CN 203083611 U CN203083611 U CN 203083611U
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Abstract
The utility model relates to a multi-point temperature and humidity measurement apparatus for a thermal environment of a large-space building. The multi-point temperature and humidity measurement apparatus comprises sensor nodes, integrated transmission nodes, a terminal node, and a computer. The multiple sensor nodes are connected to the integrated transmission nodes; the multiple integrated transmission nodes send information to the terminal node by a wireless communication way; and the terminal node is connected with the computer. And local wired integrated nodes and wireless terminal node form a complete communication network. Therefore, rapid measurement on the temperature and humidity as well as wireless long-distance transmission can be realized; and the collected data are storage in the computer synchronously, so that the storing and searching can be carried out rapidly. The network adjustment can be carried out simply and conveniently, thereby effectively reducing the cost and improving the collection efficiency. Besides, problems that there are many measurement points that are dispersed, the sensor signal is connected to the collection system by a long lead, and the electromagnetic environment has an impact on the measurement signal transmission and the like are solved.
Description
Technical field
The utility model relates to a kind of measurement mechanism, particularly a kind of volumed space building thermal environment multiple spot humiture measurement mechanism.
Background technology
Volumed space building indoor thermal environment and common buildings are not quite similar, its span and highly generally all bigger, roof day radiation is big, temperature difference often reaches more than 10 ℃ up and down.Accurately obtain volumed space building Vertical Temperature Changing Pattern, for design and running was not only energy-conservation but also comfort thermal environment is significant.
Thermopair, thermal resistance, capacitance type humidity sensor are because measurement simple for production, that precision is high, advantage such as cheap is widely used in general indoor thermal environment.But because the volumed space building interior space is bigger, measuring point is widely distributed, and measuring-signal need can be gathered through the transmission of long distance.Simultaneously, high-power electric appliance is usually arranged in the volumed space building, make indoor electric magnetic environment complexity, the transmission of measuring-signal has been brought interference for the needs of building function.Adopt more thermopair to cooperate capture card to concentrate the working method of collection to be difficult to further improve precision and reliability at present, and take self recording instrument can make that cost significantly improves, measure the back derived data simultaneously also needs a lot of manpowers at every turn.
Summary of the invention
The utility model is at too much difficult control accuracy of large space test point and reliability problems, a kind of volumed space building thermal environment multiple spot humiture measurement mechanism has been proposed, the two-stage framework that adopts local wired formula bus transfer and overall wireless bus to communicate by letter and combine, more, the relative dispersion of measuring point when having solved the test of large space thermal environment, sensor signal will just can be linked into acquisition system by very long lead; Electromagnetic environment is brought problems such as influence to the transmission of measuring-signal.
The technical solution of the utility model is: a kind of volumed space building thermal environment multiple spot humiture measurement mechanism, be made of sensor node, comprehensive transmission node, terminal node and computing machine, a plurality of sensor nodes are connected to a comprehensive transmission node by 485 buses; A plurality of comprehensive transmission nodes are delivered to terminal node by wireless telecommunications with information; Terminal node links to each other with computing machine.
Described sensor node comprises Temperature Humidity Sensor, sensor node single-chip microcomputer, 485 bus transfer chips and address toggle switch, Temperature Humidity Sensor and address toggle switch are sent signal into the sensor node single-chip microcomputer, by 485 bus transfer chips information transmission are arrived the comprehensive transmission node after the sensor node single-chip microcomputer processing signals.Described Temperature Humidity Sensor adopts the SHT75 Temperature Humidity Sensor.
Described comprehensive transmission node comprises 485 bus transfer chips, comprehensive transmission node single-chip microcomputer, wireless transmission chip and toggle switch; 485 bus transfer chips are sent the sensor node information that receives into comprehensive transmission node single-chip microcomputer, by the wireless transmission chip information are sent behind the comprehensive transmission node single-chip microcomputer process information.
Described terminal node comprises: terminal wireless transmission chip, terminal node single-chip microcomputer and usb communication interface; The transmission node that closes that terminal wireless transmission chip will receive is sent into the terminal node single-chip microcomputer, and the terminal node single-chip microcomputer connects computing machine by the usb communication interface.
Si4412 wireless transmission chip is adopted in described wireless telecommunications, and chip operation is in the 433MHz ISM band.
The beneficial effects of the utility model are: a kind of volumed space building thermal environment of the utility model multiple spot humiture measurement mechanism, the comprehensive node of local wired formula is being formed complete communication network with the wireless terminal node.Can realize the quick measurement and the wireless long-distance transmissions of humiture, the data sync that collects simultaneously is saved in computing machine, makes that storage and inquiry are more convenient.The network adjustment is succinct, convenient can effectively to reduce cost, and improves collecting efficiency.
Description of drawings
Fig. 1 is the utility model volumed space building thermal environment multiple spot humiture measurement mechanism structural representation block diagram;
Fig. 2 is a sensor node structured flowchart in the utility model volumed space building thermal environment multiple spot humiture measurement mechanism;
Fig. 3 is a comprehensive transmission node structure block diagram in the utility model volumed space building thermal environment multiple spot humiture measurement mechanism;
Fig. 4 is a terminal node structured flowchart in the utility model volumed space building thermal environment multiple spot humiture measurement mechanism.
Embodiment
Volumed space building thermal environment multiple spot humiture measurement mechanism structural representation block diagram is made of sensor node, comprehensive transmission node, terminal node and computing machine as shown in Figure 1; Sensor node is positioned at system's end, and a plurality of sensor nodes are connected to a comprehensive transmission node by cable; A plurality of comprehensive transmission nodes are connected to terminal node by wireless telecommunications; The terminal node upper end links to each other with computing machine, and the lower end links to each other with each comprehensive transmission node by wireless telecommunications.Sensor node structured flowchart as shown in Figure 2, described sensor node comprises: Temperature Humidity Sensor, sensor node single-chip microcomputer, 485 bus transfer chips and address toggle switch; Temperature Humidity Sensor, 485 bus transfer chips and address toggle switch are connected with the sensor node single-chip microcomputer respectively.Comprehensive transmission node structure block diagram as described in Figure 3, the comprehensive transmission node comprises: comprehensive 485 bus transfer chips, comprehensive transmission node single-chip microcomputer, wireless transmission chip and toggle switch; Comprehensive 485 bus transfer chips, wireless transmission chip and toggle switch are connected with comprehensive transmission node single-chip microcomputer respectively.Terminal node structured flowchart as described in Figure 4, terminal node comprises: terminal wireless transmission chip, terminal node single-chip microcomputer and usb communication interface; Terminal wireless transmission chip, usb communication interface are connected with the terminal node single-chip microcomputer respectively.Described sensor node is connected with the comprehensive transmission node by 485 buses; Described comprehensive transmission node is connected with terminal node wireless transmission chip by the wireless transmission chip.
Sensor node single-chip microcomputer in the present embodiment, comprehensive transmission node single-chip microcomputer all adopt the C8051F330 single-chip microcomputer of prior art; Temperature Humidity Sensor in the present embodiment all adopts the SHT75 Temperature Humidity Sensor.
The measurement data of sensor adopts 485 bus transfer when sensor node is transferred to the comprehensive transmission node; Adopt wireless transmission during from the comprehensive transmission node to terminal node.
The wireless transmission chip of described comprehensive transmission node and the terminal wireless of terminal node transmission chip all adopt the Si4412 chip, are operated in the 433MHz ISM band.
The utility model in use carries out the measurement of humiture according to the test needs with the diverse location that sensor node is placed on volumed space building, functions such as the collection of the Temperature Humidity Sensor signal that the single-chip microcomputer of each sensor node is finished, correction, determine the numbering of sensor node by the address toggle switch is set, sensor node will be numbered and the humiture data are transferred to the comprehensive transmission node by 485 bus transfer chips together; The comprehensive 485 bus transfer chips of comprehensive transmission node are received the data of each sensor node, and pass to comprehensive node single-chip microcomputer, and comprehensive node single-chip microcomputer gathers data and adds that the address of toggle switch setting passes to terminal node by the wireless transmission chip; The terminal wireless transmission chip of terminal node receives each comprehensive node data, and data are passed to the terminal node single-chip microcomputer, and the terminal node single-chip microcomputer receives that data send to computing machine with its standard according to usb protocol; Realize record, demonstration and storage on computers to each node data.Sensor node is used for the indoor thermal environment measurement of volumed space building in the utility model, sensor node is placed on needs the measuring position, adjacent a plurality of sensor nodes can link to each other with same comprehensive transmission node by 485 buses, and sensor node far away then distributes and is connected to separately comprehensive transmission node.Comprehensive node is being formed complete communication network with terminal node.Can realize the quick measurement and the wireless long-distance transmissions of humiture, the data sync that collects simultaneously is saved in computing machine, makes that storage and inquiry are more convenient.
Claims (6)
1. a volumed space building thermal environment multiple spot humiture measurement mechanism is characterized in that, be made of sensor node, comprehensive transmission node, terminal node and computing machine, a plurality of sensor nodes are connected to a comprehensive transmission node by 485 buses; A plurality of comprehensive transmission nodes are delivered to terminal node by wireless telecommunications with information; Terminal node links to each other with computing machine.
2. according to the described volumed space building thermal environment of claim 1 multiple spot humiture measurement mechanism, it is characterized in that, described sensor node comprises Temperature Humidity Sensor, sensor node single-chip microcomputer, 485 bus transfer chips and address toggle switch, Temperature Humidity Sensor and address toggle switch are sent signal into the sensor node single-chip microcomputer, by 485 bus transfer chips information transmission are arrived the comprehensive transmission node after the sensor node single-chip microcomputer processing signals.
3. according to the described volumed space building thermal environment of claim 2 multiple spot humiture measurement mechanism, it is characterized in that described Temperature Humidity Sensor adopts the SHT75 Temperature Humidity Sensor.
4. according to the described volumed space building thermal environment of claim 1 multiple spot humiture measurement mechanism, it is characterized in that described comprehensive transmission node comprises 485 bus transfer chips, comprehensive transmission node single-chip microcomputer, wireless transmission chip and toggle switch; 485 bus transfer chips are sent the sensor node information that receives into comprehensive transmission node single-chip microcomputer, by the wireless transmission chip information are sent behind the comprehensive transmission node single-chip microcomputer process information.
5. according to the described volumed space building thermal environment of claim 1 multiple spot humiture measurement mechanism, it is characterized in that described terminal node comprises: terminal wireless transmission chip, terminal node single-chip microcomputer and usb communication interface; The transmission node that closes that terminal wireless transmission chip will receive is sent into the terminal node single-chip microcomputer, and the terminal node single-chip microcomputer connects computing machine by the usb communication interface.
6. according to the described volumed space building thermal environment of claim 1 multiple spot humiture measurement mechanism, it is characterized in that Si4412 wireless transmission chip is adopted in described wireless telecommunications, chip operation is in the 433MHz ISM band.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320048026 CN203083611U (en) | 2013-01-29 | 2013-01-29 | Multi-point temperature and humidity measurement apparatus for thermal environment of large-space building |
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| Application Number | Priority Date | Filing Date | Title |
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| CN 201320048026 CN203083611U (en) | 2013-01-29 | 2013-01-29 | Multi-point temperature and humidity measurement apparatus for thermal environment of large-space building |
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| CN203083611U true CN203083611U (en) | 2013-07-24 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104457826A (en) * | 2014-12-15 | 2015-03-25 | 上海理工大学 | Autonomous mobile high-precision wireless thermal environment measurement system and method |
| CN105607157A (en) * | 2016-02-03 | 2016-05-25 | 东南大学 | City near-surface layer thermal environment multi-point instant sampling measurement method |
-
2013
- 2013-01-29 CN CN 201320048026 patent/CN203083611U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104457826A (en) * | 2014-12-15 | 2015-03-25 | 上海理工大学 | Autonomous mobile high-precision wireless thermal environment measurement system and method |
| CN105607157A (en) * | 2016-02-03 | 2016-05-25 | 东南大学 | City near-surface layer thermal environment multi-point instant sampling measurement method |
| CN105607157B (en) * | 2016-02-03 | 2017-12-26 | 东南大学 | A kind of instant sampling and measuring method of city ground layer thermal environment multiple spot |
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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: 20130724 Termination date: 20170129 |
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| CF01 | Termination of patent right due to non-payment of annual fee |