CN203376002U - Indoor fresh air volume test device - Google Patents
Indoor fresh air volume test device Download PDFInfo
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- CN203376002U CN203376002U CN201320406145.2U CN201320406145U CN203376002U CN 203376002 U CN203376002 U CN 203376002U CN 201320406145 U CN201320406145 U CN 201320406145U CN 203376002 U CN203376002 U CN 203376002U
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- fresh air
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Abstract
The utility model discloses an indoor fresh air volume test device. The indoor fresh air volume test device comprises a main test machine and a plurality of CO2 wireless data recorders, and a wireless sensor network is formed by the CO2 wireless data recorders in a wireless transmission mode and is connected with the main test machine. The main test machine comprises a first single-chip central processing unit, a first single chip is connected with a first 2.4G wireless processing chip through an RS232 serial port, and the first 2.4G wireless processing chip is connected with a first antenna circuit; the first single chip is connected with an LCD driving chip connected with a first liquid crystal display; each CO2 wireless data recorder comprises a second single chip, and the second single chip is connected with a CO2 sensor through an AD conversion chip used for analog-digital conversion of analog signals, and is connected with a second 2.4G wireless processing chip to achieve a network node of ZigBee application. The indoor fresh air volume test device is novel in form, unique and convenient and fast to use; a wireless sensor technology is adopted for accurately and quickly acquiring the indoor air exchange rate and fresh air volume data in real time, and remote indoor CO2 content monitoring can also be achieved.
Description
technical field:
The utility model relates to a kind of proving installation, is specifically related to a kind of based on radio sensing network, utilization test CO
2a kind of indoor fresh air of tracer gas measures electricity testing device.
background technology:
Research shows, the resh air requirement deficiency is one of key factor caused IAQ (indoor air quality) (IAQ) variation, and for a long time indoor in the resh air requirement deficiency, easily suffer from " building disease syndrome ", headache, uncomfortable in chest, fatigable symptom occur, also easily cause the diseases such as respiratory system and nervous system.
In China's actual life, the situation of architecture indoor resh air requirement deficiency often occurs, and the reason caused has that the house natural draught capacity is poor, the improper control etc. of too small, the air conditioning energy consumption of resh air requirement value in Air-conditioner design.
Stipulate to be applicable to the indoor fresh air amounts such as house and office building in standard GB/T 18883-2002 " IAQ (indoor air quality) standard " and should be not less than 30m
3/ h people.Want resh air requirement in pulpit, just must measure accurately resh air requirement, clearly in standard GB/T/T 18204.18 " public place indoor fresh air quantity measuring method " can adopt CO
2the tracer gas determination techniques, specifically to CO
2the method of testing of tracer gas has artificial sample lab analysis, CO
2the methods such as analyser on-the-spot test.And, in whole mensuration work, also exist at present tester's complicated operation, and systematicness is not enough, and the deficiencies such as the poor and tester's disturbance test environment of real-time cause that the indoor fresh air quantitative determination is comparatively loaded down with trivial details, the test result undulatory property is large.
summary of the invention:
In order to solve the deficiency existed in current indoor fresh air amount detection, the purpose of this utility model is to provide a kind of based on radio sensing network, utilization test CO
2convenient, quick, the intelligent indoor fresh air of tracer gas measures electricity testing device.
The technical solution adopted in the utility model is:
A kind of indoor fresh air measures electricity testing device, comprises and detects main frame and some CO
2the wireless data registering instrument, CO
2the wireless data registering instrument forms wireless sensor network by wireless transmission data message is sent to the detection host process; Wherein:
Described detection main frame comprises that the first single-chip is as central microprocessor, the first single-chip connects with serial mode the network node that wireless process chip realizes the ZigBee application by the RS232 converter, and wireless process chip connects the first day line circuit and radiate with the electromagnetic wave form;
The first single-chip connects LCD and drives chip, and LCD drives chip to connect the first LCDs; The first single-chip also connects the circuit such as keyboard circuit, the first power circuit, the first peripheral circuit;
CO
2the wireless data registering instrument comprises the second single-chip, and the second single-chip connects CO by the analog-to-digital AD conversion chip for simulating signal
2sensor; The wireless process chip that connects the second single-chip realizes the network node of ZigBee application, and wireless process chip connects the second day line circuit;
The lcd driver that the second single-chip carries by chip internal connects the second LCDs; The second single-chip also connects the circuit such as the second peripheral circuit, second source circuit.
Described the first single-chip connects the wireless process chip of a 2.4G by the RS232 converter with serial interface mode.
Described the second single-chip connects 16 AD conversion chips by the I2C bus mode.
Described the second single-chip connects the wireless process chip of the 2nd 2.4G by the UART interface mode.
The lcd driver that described the second single-chip carries by chip internal connects 68 piece of digital LCD the second LCDs.
Principle of the present utility model is: according to trace gas concentration damped method measuring technology, at the indoor appropriate tracer gas that passes into to be measured, due to the indoor and outdoor air exchange, the concentration of tracer gas is exponential damping, value according to concentration along with the variation of time, calculate indoor resh air requirement.That tracer gas is selected is colourless, tasteless, working concentration is nontoxic, the CO of easy direct-reading
2gas.During test, close the doors and windows, indoor pass into appropriate tracer gas after, with waving fan agitation air 3～5 min, tracer gas is evenly distributed, at indoor diagonal line (3 point) or plum blossom-shaped (5 point) a plurality of CO of position distribution of pressing
2the wireless data registering instrument, CO
2carbon Dioxide in Air (CO in wireless data registering instrument timing acquiring recording room
2) the tracer gas content data, and send to and be positioned over outdoor detection main frame by wireless communication mode, detect main frame and carry out air exchange rate, the data reduction of indoor fresh air amount, demonstration, graphical performance and data preservation etc. intuitively.
The beneficial effects of the utility model are:
The utility model novel form, uniqueness, convenient.Use wireless sensor technology to room air exchange rate, accurate, the quick Real-time Obtaining of resh air requirement data, also can realize remote indoor CO
2the monitoring of concentration.
the accompanying drawing explanation:
Fig. 1 is structural principle schematic diagram of the present utility model;
The circuit theory schematic diagram that Fig. 2 is detection main frame of the present utility model.
Fig. 3 is CO of the present utility model
2the circuit theory schematic diagram of wireless data registering instrument.
embodiment:
Below in conjunction with accompanying drawing, the utility model is described in further detail.
As shown in Figure 1, this indoor fresh air measures electricity testing device, comprises and detects main frame 1 and some CO
2wireless data registering instrument 2, CO
2wireless data registering instrument 2 forms wireless sensor network by wireless transmission data message is sent to and detects main frame 1 processing;
As shown in Figure 2, described detection main frame 1 comprises that one using the first single-chip 3 that Samsung S3C2440 is core as central microprocessor, described the first single-chip 3 be take the serial mode wireless process chip 6 of a 2.4G that to be connected to model be CC2530 by RS232 converter 4 and is realized the network node of ZigBee application, and the wireless process chip 6 of a 2.4G connects first day line circuits 5 and radiate with the electromagnetic wave form; The first single-chip 3 connects LCD and drives chip 10 in order to show data-driven output, and LCD drives chip 10 connection the first LCDs 11 to carry out the data demonstration; It is man-machine with key mode operation input for realizing that the first single-chip 3 also connects keyboard circuit 7, the first power circuit 8, the first peripheral circuit 9, meets micro-processing and substantially move condition of work.Detect the CO that main frame 1 distributes to each test point with wireless communication mode in testing process
2wireless data registering instrument 2 carries out data and reads, and realizes empty Indoor Air exchange rate, the data reduction of indoor fresh air amount, demonstration and data preservation.
As shown in Figure 3, CO
2wireless data registering instrument 2 comprises that one using the second single-chip 12 that STM8L152C6 is core as central microprocessor, 16 AD conversion chips 13 that the second single-chip 12 is ADS1110 by I2C bus mode connection model are for the analog to digital conversion of simulating signal, and 16 AD conversion chips 13 connect the CO that models are A051020-AQ6A-01
2 sensor 14 is by CO in air
2concentration is converted into electric signal; The second single-chip 12 connects by the UART interface mode the wireless process chip 16 of the 2nd 2.4G that model is CC2530 and realizes the network node that ZigBee applies, and the wireless process chip 16 of described the 2nd 2.4G connects second day line circuits 15 and radiate with the electromagnetic wave form; Described the second single-chip 12 directly connects 68 piece of digital LCD the second LCDs 19 and carries out the data demonstration; Described the second single-chip 12 also connects second source circuit 17, the second peripheral circuit 18 meets micro-processing and substantially moves condition of work.CO
2wireless data registering instrument 2 is realized CO in air in testing process
2reading with data of concentration preserved, and sends data message to detecting main frame 1 with wireless communication mode.
During testing, CO
2wireless data registering instrument 2 follow procedure flow processs, self-timing reads CO in air
2concentration, and by reads data log in storer, detect main frame 1 follow procedure flow process, the CO distributed to each test point respectively with wireless communication mode
2after wireless data registering instrument 2 sends requesting data information, in the data waiting status.Work as CO
2wireless data registering instrument 2 will be replied and send record data, clock data, current test data information to detecting main frame 1 with wireless communication mode after being discriminated and measuring the wireless communication signal that detects the acquisition request data that main frame 1 sends.When detecting main frame 1 Zhen, measure by CO
2after wireless data registering instrument 2 is replied the wireless communication signal of returning, implementation data reads.Detect main frame 1 and complete the CO that each test point is distributed
2after the reading of wireless data registering instrument 2 data, carry out the data reductions such as air exchange rate, indoor fresh air amount, analysis, and intuitively on the first LCDs 11 with figure, digitizing performance, and data are preserved.
Claims (6)
1. an indoor fresh air measures electricity testing device, comprises and detects main frame (1) and some CO
2wireless data registering instrument (2), CO
2the wireless data registering instrument forms wireless sensor network by wireless transmission data message is sent to the detection host process; It is characterized in that:
Described detection main frame comprises that the first single-chip (3) is as central microprocessor, the first single-chip (3) connects by RS232 converter (4) network node that the wireless process chip of a 2.4G (6) realizes the ZigBee application, and the wireless process chip of a 2.4G (6) connects first day line circuit (5) and radiate with the electromagnetic wave form; The first single-chip (3) connects LCD and drives chip (10), and LCD drives chip (10) to connect the first LCDs (11);
CO
2the wireless data registering instrument comprises the second single-chip (12), and the second single-chip (12) connects CO by the analog-to-digital AD conversion chip (13) for simulating signal
2sensor (14); The wireless process chip of the 2nd 2.4G (16) that connects the second single-chip (12) realizes the network node of ZigBee application, and the wireless process chip of the 2nd 2.4G (16) connects second day line circuit (15).
2. indoor fresh air according to claim 1 measures electricity testing device, and it is characterized in that: described the first single-chip also connects keyboard circuit (7), the first power circuit (8), the first peripheral circuit circuit (9).
3. indoor fresh air according to claim 2 measures electricity testing device, and it is characterized in that: the lcd driver that described the second single-chip (12) carries by chip internal connects the second LCDs (19); The second single-chip (12) also connects the second peripheral circuit (18), second source circuit (17).
4. indoor fresh air according to claim 3 measures electricity testing device, it is characterized in that: described the second single-chip (12) connects 16 AD conversion chips (13) by the I2C bus mode.
5. indoor fresh air according to claim 4 measures electricity testing device, it is characterized in that: described the second single-chip (12) connects the wireless process chip of the 2nd 2.4G (15) by the UART interface mode.
6. indoor fresh air according to claim 5 measures electricity testing device, it is characterized in that: the lcd driver that described the second single-chip (12) carries by chip internal connects 68 piece of digital LCD the second LCDs (19).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320406145.2U CN203376002U (en) | 2013-07-09 | 2013-07-09 | Indoor fresh air volume test device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320406145.2U CN203376002U (en) | 2013-07-09 | 2013-07-09 | Indoor fresh air volume test device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203376002U true CN203376002U (en) | 2014-01-01 |
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ID=49838527
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320406145.2U Expired - Fee Related CN203376002U (en) | 2013-07-09 | 2013-07-09 | Indoor fresh air volume test device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203376002U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105423479A (en) * | 2014-09-11 | 2016-03-23 | 德国Weiss空调技术有限责任公司 | Method for operating a clean-room and control device |
| CN105717260A (en) * | 2016-03-24 | 2016-06-29 | 南通大学 | Method and system for measuring fresh air volume in space to be detected |
| CN107132006A (en) * | 2016-02-26 | 2017-09-05 | 中国辐射防护研究院 | Leakage quantity measuring method in a kind of master control room |
-
2013
- 2013-07-09 CN CN201320406145.2U patent/CN203376002U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105423479A (en) * | 2014-09-11 | 2016-03-23 | 德国Weiss空调技术有限责任公司 | Method for operating a clean-room and control device |
| CN107132006A (en) * | 2016-02-26 | 2017-09-05 | 中国辐射防护研究院 | Leakage quantity measuring method in a kind of master control room |
| CN105717260A (en) * | 2016-03-24 | 2016-06-29 | 南通大学 | Method and system for measuring fresh air volume in space to be detected |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20160331 Address after: 450053 Henan province Zhengzhou fengle Road No. 4 Patentee after: HENAN PROVINCIAL ACADEMY OF BUILDING RESEARCH Co.,Ltd. Patentee after: SHANGHAI BUQING INSTRUMENT EQUIPMENT CO.,LTD. Address before: 450053 Henan province Zhengzhou fengle Road No. 4 Patentee before: HENAN PROVINCIAL ACADEMY OF BUILDING RESEARCH Co.,Ltd. |
|
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140101 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |