CN214308909U - Building thermal environment monitoring system - Google Patents
Building thermal environment monitoring system Download PDFInfo
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- CN214308909U CN214308909U CN202120728948.4U CN202120728948U CN214308909U CN 214308909 U CN214308909 U CN 214308909U CN 202120728948 U CN202120728948 U CN 202120728948U CN 214308909 U CN214308909 U CN 214308909U
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Abstract
The utility model provides a building thermal environment monitoring system, which comprises a plurality of acquisition units, a coordinator and an upper computer; the acquisition unit is provided with a ZigBee slave module, and the ZigBee slave module is connected with a temperature and humidity module and CO2The wind speed sensor comprises a module, a photosensitive module, a wind speed module, a first antenna module, a first power supply voltage stabilizing module and a first power supply module; the coordinator is provided with a ZigBee main module, and a serial port communication module, a second antenna module, a second power supply voltage stabilizing module and a second power supply module are connected to the ZigBee main module; acquisition unit and coordinatorThe coordinator is in communication connection with the serial port of the upper computer; in the utility model, one coordinator can be matched with a plurality of acquisition units, and the data sampling of different sampling points is completed according to the period, thereby improving the detection efficiency and being convenient and flexible; each acquisition unit in the system integrates the temperature, humidity, illumination intensity, wind speed and CO required in thermal environment analysis2The concentration and the system integration level are high, and a large amount of environmental data can be acquired at one time.
Description
Technical Field
The utility model belongs to the technical field of the thermal environment monitoring of building, concretely relates to thermal environment monitoring system of building.
Background
In order to meet the requirement of human comfort, good thermal, light, acoustic and electromagnetic environments need to be met indoors. The comfort of the thermal environment is one of the key factors determining the quality of the indoor environment. Indoor thermal environments are also an important branch of research in the field of building science.
The system comprises a sensor system, a data acquisition instrument, a computer system and a sensor bracket system, takes an 8051 single chip microcomputer as a core, is matched with various thermal environment parameter sensors, can acquire five environmental parameters of dry bulb temperature, wet bulb temperature, black bulb temperature, relative humidity and breeze speed in real time, and then sends data to a computer; but only can gather the environmental parameter information of single-point among this prior art at every turn, need constantly to remove sensor system and data acquisition appearance when measuring a plurality of sampling points and accomplish the measurement in proper order, consuming time and difficultly, measurement inefficiency.
Therefore, a building thermal environment monitoring system which can monitor a plurality of sampling points, improve monitoring efficiency and is convenient and flexible is required to be designed to solve the technical problem faced at present.
Disclosure of Invention
To the not enough that exists among the prior art, the utility model provides a can monitor a plurality of sampling points, promote monitoring efficiency, convenient nimble building thermal environment monitoring system.
The technical scheme of the utility model is that: the building thermal environment monitoring system comprises a plurality of acquisition units, a coordinator and an upper computer; the acquisition unit is provided with a ZigBee slave module, and the ZigBee slave module is connected with a temperature and humidity module and CO2The wind speed sensor comprises a module, a photosensitive module, a wind speed module, a first antenna module, a first power supply voltage stabilizing module and a first power supply module; the coordinator is provided with a ZigBee main module, and a serial port communication module, a second antenna module and a second power supply voltage stabilizing module are connected to the ZigBee main moduleAnd a second power module; the acquisition unit is in wireless communication connection with the coordinator, and the coordinator is in serial port communication connection with an upper computer.
The ZigBee slave module and the ZigBee master module are respectively provided with a CC2530 chip.
The temperature and humidity module is provided with a DHT11 temperature and humidity sensor.
The photosensitive module has a Risym photoresistor sensor.
The CO is2The module has a MH-Z14A carbon dioxide sensor.
The wind speed module is a miniature wind speed transmitter.
The collecting unit is further provided with a shell, the top of the shell is provided with a wind speed transmitter shell matched with the wind speed module, and the bottom of the shell is provided with a temperature and humidity sensor shell matched with the temperature and humidity module.
The photosensitive module is provided with a photosensitive resistance sensor which is arranged on the front side of the shell; the first antenna module has an antenna disposed at one side of the housing.
And a photosensitive ball matched with the photosensitive resistance sensor is arranged on the front side of the shell.
The front side of the shell is provided with an air inlet hole in a surrounding way, and the CO is2The module is arranged in the shell, and a hanging groove is formed in the rear side of the shell.
The utility model has the advantages that:
(1) in the utility model, one coordinator can be matched with a plurality of acquisition units, and the data sampling of different sampling points is completed according to the period, thereby improving the detection efficiency and being convenient and flexible;
(2) each acquisition unit in the system integrates the temperature, humidity, illumination intensity, wind speed and CO required in thermal environment analysis2The concentration and the system integration level are high, and a large amount of environmental data can be acquired at one time.
Drawings
Fig. 1 is a schematic block diagram of the thermal environment monitoring system for the middle buildings of the utility model.
Fig. 2 is a schematic block diagram of the middle collecting unit of the present invention.
Fig. 3 is a schematic block diagram of the coordinator according to the present invention.
Fig. 4 is the circuit diagram of the ZigBee slave module and the ZigBee master module of the present invention.
Fig. 5 is one of the schematic external structural diagrams of the middle collecting unit of the present invention.
Fig. 6 is a second schematic diagram of the external structure of the collecting unit of the present invention.
Detailed Description
Various exemplary embodiments of the present invention will now be described in detail with reference to the accompanying drawings. The description of the exemplary embodiments is merely illustrative and is in no way intended to limit the invention, its application, or uses. The present invention may be embodied in many different forms and is not limited to the embodiments described herein. These embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the scope of the invention to those skilled in the art. It should be noted that: the relative arrangement of parts and steps, the composition of materials, numerical expressions and numerical values set forth in these embodiments are to be construed as merely illustrative, and not as limitative, unless specifically stated otherwise.
The use of "first," "second," and similar terms in the description herein do not denote any order, quantity, or importance, but rather the terms are used to distinguish one element from another. The word "comprising" or "comprises", and the like, means that the element preceding the word covers the element listed after the word, and does not exclude the possibility that other elements are also covered. "upper", "lower", "left", "right", and the like are used merely to indicate relative positional relationships, and when the absolute position of the object being described is changed, the relative positional relationships may also be changed accordingly.
As shown in fig. 1 to 3, the building thermal environment monitoring system includes a plurality of acquisition units, a coordinator and an upper computer; the acquisition unit is provided with a ZigBee slave module, and the ZigBee slave module is connected with a temperature and humidity module and CO2A module, a photosensitive module, a wind speed module, a first antenna module,The first power supply voltage stabilizing module and the first power supply module; the coordinator is provided with a ZigBee main module, and a serial port communication module, a second antenna module, a second power supply voltage stabilizing module and a second power supply module are connected to the ZigBee main module; the acquisition unit is in wireless communication connection with the coordinator, and the coordinator is in communication connection with the serial port of the upper computer; in this embodiment, the acquisition unit passes through the temperature and humidity module and the CO2Air humidity, temperature and CO sampled by module, photosensitive module and wind speed module respectively in building room2The concentration, the illumination intensity and the wind speed are monitored, monitored data are wirelessly transmitted to a coordinator through a ZigBee protocol, the coordinator processes the data and then sends the processed data to an upper computer through serial port communication to complete data acquisition, one coordinator can be matched with a plurality of acquisition units to complete data sampling of different sampling points according to periods, the detection efficiency is improved, and convenience and flexibility are achieved; each acquisition unit in the system integrates the temperature, humidity, illumination intensity, wind speed and CO required in thermal environment analysis2The concentration and the system integration level are high, and a large amount of environmental data can be acquired at one time; the upper computer includes but is not limited to a PC end and a mobile phone end.
As a more specific implementation manner of the acquisition unit and the coordinator, both the ZigBee slave module and the ZigBee master module have CC2530 chips, and circuits for completing wireless data transmission between the ZigBee slave module and the ZigBee master module are the same, as shown in fig. 4, a voltage VCC is 3.3V, and a filter capacitor C is used for passing through the voltage VCC1~C6The pins RF _ N and RF _ P are decoupled by an inductor L1 and then connected with a 2.4GHz wireless RF transceiver circuit and a capacitor C10And an inductance L1A filter is formed and is used for connecting an external first antenna module or a second antenna module, 2 crystal oscillator circuits are integrated on the periphery of a CC2530 chip and respectively composed of 32MHz crystal oscillators Y1Combined capacitor C19、C20Crystal oscillator Y with composition of 32KHz2Combined capacitor C21、C22Constitution R12The resistor is a grounding resistor and is also a bypass resistor inside the chip.
As a specific implementation of a power supply mode of a building thermal environment monitoring system, as shown in fig. 2, a first power supply module in an acquisition unit can adopt a secondary battery and a charging circuit matched with the secondary battery, and the first power supply voltage stabilizing module is used for regulating voltage and providing working voltage for a ZigBee slave module and each sensor module; as shown in fig. 3, a first power module in the coordinator may adopt a secondary battery and a charging circuit matched with the secondary battery, and a second power module is used for regulating voltage and providing working voltage for the ZigBee main module and each sensor module; the secondary battery can be a lithium battery; it is noted that the charging circuit is well known to those skilled in the art and therefore will not be described in detail.
As a specific implementation manner of the temperature and humidity module, the temperature and humidity module is provided with a DHT11 temperature and humidity sensor, the DHT11 temperature and humidity sensor is used for detecting the temperature and humidity of the environment, and the DHT11 temperature and humidity sensor can convert the temperature and humidity of the detected sampling point into a digital quantity signal and send the digital quantity signal to the ZigBee slave module.
As a specific implementation manner of the photosensitive module, the photosensitive module is provided with a Risym 5539 photosensitive resistance sensor, the photosensitive module is provided with the Risym photosensitive resistance sensor and is used for detecting the illumination intensity of a sampling point, the photosensitive resistance sensor outputs an analog quantity signal, and the analog quantity signal is converted into a digital quantity signal and then is sent to the ZigBee slave module by matching with an analog-to-digital conversion circuit in the implementation process, wherein the analog-to-digital conversion circuit is well known by a person skilled in the art, and therefore, the description is omitted.
As CO2A particular embodiment of the module, CO2The module has a MH-Z14A carbon dioxide sensor, MH-Z14A carbon dioxide sensor for CO sampling points2The concentration is detected, the MH-Z14A carbon dioxide sensor outputs an analog quantity signal, and the analog quantity signal is converted into a digital quantity signal and then sent to the ZigBee slave module by matching with an analog-to-digital conversion circuit in the implementation process, wherein the analog-to-digital conversion circuit is well known by the technical personnel in the field and is not described again.
As a specific implementation manner of the wind speed module, the wind speed module is a micro wind speed transmitter, the micro wind speed transmitter is used for detecting a wind power value at a sampling point, the model of the micro wind speed transmitter is WD4150, the WD4150 micro wind speed transmitter outputs an analog signal, and the analog signal is converted into a digital signal and then transmitted to the ZigBee slave module by matching with an analog-to-digital conversion circuit in the implementation process, wherein the analog-to-digital conversion circuit is well known by those skilled in the art, and thus, the description thereof is omitted.
As a more specific embodiment of the collecting unit, as shown in fig. 5 and 6, the collecting unit further includes a casing 1, the casing 1 is a hollow structure, a wind speed transmitter housing 4 matched with the wind speed module is disposed at the top of the casing 1, and a temperature and humidity sensor housing 3 matched with the temperature and humidity module is disposed at the bottom of the casing 1; a wind speed transmitter shell 4 and a temperature and humidity sensor shell are integrally formed with a shell 1, and one side of the shell 1 is provided with a charging hole 5 for charging a secondary battery in the shell; as another embodiment of the wind speed transmitter shell 4, the wind speed transmitter shell 4 is rotatably connected with the shell 1, and the wind speed transmitter shell 4 can be adjusted within an angle range of 0-90 degrees relative to the shell 1, so that the wind speed measuring angle of the wind speed transmitter shell 4 can be adjusted, and the wind speed transmitter can be more flexibly applied to field wind speed measurement.
Further, the photosensitive module is provided with a photosensitive resistance sensor which is arranged on the front side of the shell 1; the first antenna module is provided with an antenna 2, the antenna is arranged on one side of the shell, an antenna seat is arranged on the side surface of the shell 1, and the antenna 2 is assembled on the antenna seat; in order to promote the detection precision of the photoresistance sensor, the front side of the shell 1 is provided with a photosensitive ball 6 matched with the photoresistance sensor, the photosensitive ball 6 covers the outer side of the photoresistance sensor, light penetrates through the photosensitive ball 6 to irradiate at the position of the photoresistance sensor, and the photosensitive ball 6 is also called as a Fresnel lens and is used for improving the detection precision.
Further, an air inlet 7 is formed around the front side of the housing 1, and the air inlet 7 is used for communicating the air inside the housing 1 with the outside air, CO2The module is arranged inside the shell 1 and can be used for collecting CO at a sampling point2Concentration detects, and the rear side of casing 1 is provided with hanging groove 8, is convenient for hang casing 1 and monitors at sampling point wall.
Thus far, various embodiments of the present invention have been described in detail. Some details which are well known in the art have not been described in order to avoid obscuring the concepts of the present invention. It will be fully apparent to those skilled in the art from the foregoing description how to practice the presently disclosed embodiments.
The above embodiments only represent some embodiments of the present invention, and the description thereof is specific and detailed, but not to be construed as limiting the scope of the present invention. It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several variations and modifications can be made, which are within the scope of the present invention. Therefore, the protection scope of the present invention should be subject to the appended claims.
Claims (10)
1. A building thermal environment monitoring system is characterized by comprising a plurality of acquisition units, a coordinator and an upper computer;
the acquisition unit is provided with a ZigBee slave module, and the ZigBee slave module is connected with a temperature and humidity module and CO2The wind speed sensor comprises a module, a photosensitive module, a wind speed module, a first antenna module, a first power supply voltage stabilizing module and a first power supply module;
the coordinator is provided with a ZigBee main module, and a serial port communication module, a second antenna module, a second power supply voltage stabilizing module and a second power supply module are connected to the ZigBee main module;
the acquisition unit is in wireless communication connection with the coordinator, and the coordinator is in serial port communication connection with an upper computer.
2. The building thermal environment monitoring system of claim 1, wherein: the ZigBee slave module and the ZigBee master module are respectively provided with a CC2530 chip.
3. The building thermal environment monitoring system of claim 1, wherein: the temperature and humidity module is provided with a DHT11 temperature and humidity sensor.
4. The building thermal environment monitoring system of claim 1, wherein: the photosensitive module has a Risym photoresistor sensor.
5. The building thermal environment monitoring system of claim 1, wherein: the CO is2The module has a MH-Z14A carbon dioxide sensor.
6. The building thermal environment monitoring system of claim 1, wherein: the wind speed module is a miniature wind speed transmitter.
7. The building thermal environment monitoring system of claim 1, wherein: the collecting unit is further provided with a shell, the top of the shell is provided with a wind speed transmitter shell matched with the wind speed module, and the bottom of the shell is provided with a temperature and humidity sensor shell matched with the temperature and humidity module.
8. The building thermal environment monitoring system of claim 7, wherein: the photosensitive module is provided with a photosensitive resistance sensor which is arranged on the front side of the shell; the first antenna module has an antenna disposed at one side of the housing.
9. The building thermal environment monitoring system of claim 8, wherein: and a photosensitive ball matched with the photosensitive resistance sensor is arranged on the front side of the shell.
10. The building thermal environment monitoring system of claim 7, wherein: the front side of the shell is provided with an air inlet hole in a surrounding way, and the CO is2The module is arranged in the shell, and a hanging groove is formed in the rear side of the shell.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120728948.4U CN214308909U (en) | 2021-04-09 | 2021-04-09 | Building thermal environment monitoring system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120728948.4U CN214308909U (en) | 2021-04-09 | 2021-04-09 | Building thermal environment monitoring system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214308909U true CN214308909U (en) | 2021-09-28 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120728948.4U Expired - Fee Related CN214308909U (en) | 2021-04-09 | 2021-04-09 | Building thermal environment monitoring system |
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| Country | Link |
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| CN (1) | CN214308909U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114545797A (en) * | 2022-01-13 | 2022-05-27 | 江苏德丰建设集团有限公司 | Building thermal environment monitoring system based on BIM |
-
2021
- 2021-04-09 CN CN202120728948.4U patent/CN214308909U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114545797A (en) * | 2022-01-13 | 2022-05-27 | 江苏德丰建设集团有限公司 | Building thermal environment monitoring system based on BIM |
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| 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: 20210928 |