CN102188868B - Device and method for monitoring filter screen of outdoor equipment room fresh air ventilating system - Google Patents
Device and method for monitoring filter screen of outdoor equipment room fresh air ventilating system Download PDFInfo
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- CN102188868B CN102188868B CN2011100894227A CN201110089422A CN102188868B CN 102188868 B CN102188868 B CN 102188868B CN 2011100894227 A CN2011100894227 A CN 2011100894227A CN 201110089422 A CN201110089422 A CN 201110089422A CN 102188868 B CN102188868 B CN 102188868B
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- 238000000034 method Methods 0.000 title claims abstract description 20
- 238000012544 monitoring process Methods 0.000 title claims abstract description 18
- 239000000428 dust Substances 0.000 claims abstract description 60
- 238000012806 monitoring device Methods 0.000 claims description 17
- 230000000694 effects Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000001914 filtration Methods 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 208000035126 Facies Diseases 0.000 description 1
- 230000003749 cleanliness Effects 0.000 description 1
- 238000004134 energy conservation Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
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Abstract
The invention discloses a device and method for monitoring a filter screen of an outdoor equipment room fresh air ventilating system. The device provided by the invention comprises a dust sensor, a pressure difference switch and a microcomputer control module, wherein pressure difference signals are transmitted to the microcomputer control module by the pressure difference switch; the dust sensor acquires dust concentration signals on the two sides of the filter screen respectively, and transmits the signals to the microcomputer control module; the microcomputer control module calculates the difference value of the actual dust concentration after receiving the dust concentration signals; when the difference value of the actual dust concentration is less than the preset limit difference value of the dust concentration, the microcomputer control module gives out an alarm; and at the same time, when receiving pressure difference alarm signals, the microcomputer control module gives out the alarm. Thus, personnel can be aware of the blockage of the filter screen through the pressure difference alarm signals sent out by the pressure difference switch, the condition of damage to the filter screen can also be known through calculating the dust concentration signals transmitted by the dust sensor by virtue of the microcomputer control module, thus the convenience is ensured.
Description
Technical field
The present invention relates to the monitoring technology of outdoor machine room VMC screen pack, more particularly, relate to a kind of monitoring device and method of outdoor machine room VMC screen pack.
Background technology
Along with the develop rapidly of internet and data service, the frequency of utilization of outdoor machine room is more and more higher.Compare the environment facies of outdoor machine room with indoor machine room to badly, be subject to the influence of undesirable elements such as temperature, humidity and dust.Present most of outdoor machine room has all adopted VMC for the consideration of energy-conservation aspect, and the equipment interior owing to outdoor air and machine room directly contacts, and in order to guarantee the cleannes in the machine room, the position of VMC air intake all is equipped with screen pack.Block but in use run into screen pack through regular meeting, the filtering ability is reduced, cause reducing amount of air circulation, thereby reduce cooling-down effect.Perhaps when screen pack was damaged, the cleanliness factor in the machine room will be had a strong impact on, and caused room system to produce fault, thereby need in time change screen pack.But up to the present the state for screen pack does not have a good solution, can only be the replacing screen pack that runs into such as passive after the above-mentioned problem, is unfavorable for that outdoor machine room moves normally.
Summary of the invention
Block or breakage through regular meeting at the outdoor machine room VMC screen pack that exists in the prior art; cause outdoor machine room cooling-down effect bad even cause that equipment produces the problem of fault; the monitoring device and the method that the purpose of this invention is to provide a kind of outdoor machine room VMC screen pack, the use state of monitoring filtering net in real time.
For achieving the above object, the present invention adopts following technical scheme:
According to the bright one side of we, a kind of monitoring device of outdoor machine room VMC screen pack is provided, comprise dust sensor, pressure difference switch and microcomputer control module, described dust sensor is located at the both sides of screen pack respectively; The high pressure link of described pressure difference switch is located at screen pack air inflow side, and the low pressure link of pressure difference switch is located at screen pack air outflow side; Described dust sensor and pressure difference switch all are connected with the microcomputer control module.
Described monitoring device also comprises gateway module, and described gateway module is connected with described microcomputer control module.
Described microcomputer control module comprises embedded system and the button that is connected with embedded system, LCD display and RS232 interface.
On the other hand bright according to we, a kind of monitoring method of outdoor machine room VMC screen pack also is provided, the concrete steps of this monitoring method are:
A. by pressure difference switch the pressure reduction alarm signal is sent to the microcomputer control module;
B. dust sensor is distinguished the dust concentration signal of acquisition filter net both sides, and they are sent to the microcomputer control module;
C. the microcomputer control module calculates actual dust concentration difference after receiving the dust concentration signal, and when actual dust concentration difference during less than default dust concentration difference limit value, the microcomputer control module is sent alarm;
The microcomputer control module is sent alarm after receiving the pressure reduction alarm signal.
The concrete steps of described steps A are:
A1. the force value of acquisition filter net both sides and calculate the actual pressure differential value;
A2. when actual pressure differential value during greater than default screen pack both sides pressure reduction limit value, pressure difference switch produces the pressure reduction alarm signal, and this signal is sent to the microcomputer control module.
Described monitoring method also comprises the remote alarms step: also produce the remote alarms signal when the microcomputer control module is sent alarm, described microcomputer control module is sent to gateway module with the remote alarms signal.
Adopt the RS232 interface protocol between described microcomputer control module and the gateway module.
Compared with prior art, adopt monitoring device and the method for a kind of outdoor machine room VMC screen pack of the present invention, comprise dust sensor, pressure difference switch and microcomputer control module, by pressure difference switch the pressure reduction alarm signal is sent to the microcomputer control module; Dust sensor is the dust concentration signal of acquisition filter net both sides respectively, and they are sent to the microcomputer control module; The microcomputer control module calculates actual dust concentration difference after receiving the dust concentration signal, and when actual dust concentration difference during less than default dust concentration difference limit value, the microcomputer control module is sent alarm; After receiving the pressure reduction alarm signal, the microcomputer control module sends alarm simultaneously.The staff just can know the situation that screen pack gets clogged by the pressure reduction alarm signal that pressure difference switch sends like this, after calculating, the dust concentration signal that dust sensor is sent by the microcomputer control module also can know the situation of screen pack breakage, very convenient.Characteristics simple to operate, that system is succinct, reliability is high, easy to maintenance that monitoring device of the present invention also has have realized the real-time monitoring to the screen pack situation of outdoor machine room VMC.
Description of drawings
Fig. 1 is the principle schematic of the monitoring device of a kind of outdoor machine room VMC screen pack of the present invention;
Fig. 2 is the schematic flow sheet of the monitoring method of a kind of outdoor machine room VMC screen pack of the present invention.
The specific embodiment
Further specify technical scheme of the present invention below in conjunction with drawings and Examples.
Embodiment
See also shown in Figure 1: the monitoring device of a kind of outdoor machine room VMC screen pack provided by the invention, comprise dust sensor 11, pressure difference switch 12 and microcomputer control module 13, dust sensor 11 is located at the both sides of the screen pack 50 in the outdoor machine room VMC 51 respectively, the high pressure link of pressure difference switch 12 is located at the air inflow side of screen pack 50, the low pressure link of pressure difference switch 12 is located at the air outflow side of screen pack 50, and wherein air flow is f.Dust sensor 11 and pressure difference switch 12 all are connected with microcomputer control module 13.Monitoring device also comprises gateway module 14, and microcomputer control module 13 and gateway module 14 can be positioned at the optional position of outdoor machine room, and microcomputer control module 13 also is connected by the RS232 interface with gateway module 14.Microcomputer control module 13 comprises embedded system (not shown), button (not shown), LCD display (not shown) and RS232 interface (not shown), and embedded system is finished to the dust concentration signal of being gathered by dust sensor 11 and by pressure difference switch 12 and sent the work that the pressure reduction alarm signal is analyzed, handled and reports to the police automatically.Button is used for arranging the limit value of screen pack both sides dust concentration difference, and LCD display is used for showing the dust concentration value of screen pack both sides, and the RS232 interface is used for connecting microcomputer control module 13 and gateway module 14.Gateway module 13 can be a main frame, microcomputer control module 13 is connected to main frame by RS232 interface and associated special circuit, be gateway with the information translation of special circuit with this main frame be the ICP/IP protocol packet, send warning message to staff's distance host.
See also shown in Figure 2 again: the concrete steps of the monitoring method of a kind of outdoor machine room VMC screen pack provided by the invention are:
31. by pressure difference switch the pressure reduction alarm signal is sent to the microcomputer control module;
32. dust sensor is the dust concentration signal of acquisition filter net both sides respectively, and they are sent to the microcomputer control module;
33. the microcomputer control module calculates actual dust concentration difference after receiving the dust concentration signal, when actual dust concentration difference during less than default dust concentration difference limit value, the microcomputer control module is sent alarm; The microcomputer control module is sent alarm after receiving the pressure reduction alarm signal.
The concrete steps of described step 31 are:
311. the force value of acquisition filter net both sides is also calculated the actual pressure differential value;
312. when actual pressure differential value during greater than default screen pack both sides pressure reduction limit value, pressure difference switch produces the pressure reduction alarm signal, and this signal is sent to the microcomputer control module.
Monitoring method of the present invention also comprises the remote alarms step: also produce the remote alarms signal when the microcomputer control module is sent alarm, described microcomputer control module is sent to gateway module with the remote alarms signal.Adopt the RS232 interface protocol between microcomputer control module and the gateway module.
Set the pressure reduction limit value of screen pack both sides by pressure difference switch, set the dust concentration difference limit value of screen pack both sides by the microcomputer control module, when the force value of the screen pack both sides that pressure difference switch is gathered and when calculating the actual pressure differential value that obtains greater than the pressure reduction limit value of default screen pack both sides, show that namely screen pack blocks, pressure difference switch sends the pressure reduction alarm signal to the microcomputer control module, after the microcomputer control module receives the pressure reduction alarm signal, send the remote alarms signal to gateway module.Dust sensor sends the dust concentration signal to the microcomputer control module simultaneously, after receiving the dust concentration signal, the microcomputer control module calculates actual dust concentration difference, and compare with default dust concentration difference limit value, if actual dust concentration difference is less than default dust concentration difference limit value, namely show the screen pack breakage, the microcomputer control module sends the remote alarms signal to gateway module.The main frame of gateway module just can be forwarded to the remote alarms signal on staff's the distance host, requires to change screen pack.
It is pointed out that monitoring device of the present invention is identical or similar with monitoring method of the present invention in principle and implementation procedure, so its repeating part does not repeat them here.
Those of ordinary skill in the art will be appreciated that, above embodiment illustrates purpose of the present invention, and be not as limitation of the invention, as long as in essential scope of the present invention, all will drop in the scope of claim of the present invention variation, the modification of the above embodiment.
Claims (7)
1. the monitoring device of an outdoor machine room VMC screen pack, it is characterized in that: comprise dust sensor, pressure difference switch and microcomputer control module, described dust sensor is located at the both sides of screen pack respectively; The high pressure link of described pressure difference switch is located at screen pack air inflow side, and the low pressure link of pressure difference switch is located at screen pack air outflow side; Described dust sensor and pressure difference switch all are connected with the microcomputer control module.
2. monitoring device according to claim 1 is characterized in that:
Described monitoring device also comprises gateway module, and described gateway module is connected with described microcomputer control module.
3. monitoring device according to claim 1 is characterized in that:
Described microcomputer control module comprises embedded system and the button that is connected with embedded system, LCD display and RS232 interface.
4. the monitoring method of an outdoor machine room VMC screen pack is characterized in that:
The concrete steps of this monitoring method are:
A. by pressure difference switch the pressure reduction alarm signal is sent to the microcomputer control module;
B. dust sensor is distinguished the dust concentration signal of acquisition filter net both sides, and they are sent to the microcomputer control module;
C. the microcomputer control module calculates actual dust concentration difference after receiving the dust concentration signal, and when actual dust concentration difference during less than default dust concentration difference limit value, the microcomputer control module is sent alarm; The microcomputer control module is sent alarm after receiving the pressure reduction alarm signal.
5. monitoring method according to claim 4 is characterized in that:
The concrete steps of described steps A are:
A1. the force value of acquisition filter net both sides and calculate the actual pressure differential value;
A2. when actual pressure differential value during greater than default screen pack both sides pressure reduction limit value, pressure difference switch produces the pressure reduction alarm signal, and this signal is sent to the microcomputer control module.
6. monitoring method according to claim 4 is characterized in that:
Described monitoring method also comprises the remote alarms step: also produce the remote alarms signal when the microcomputer control module is sent alarm, described microcomputer control module is sent to gateway module with the remote alarms signal.
7. monitoring method according to claim 6 is characterized in that:
Adopt the RS232 interface protocol between described microcomputer control module and the gateway module.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011100894227A CN102188868B (en) | 2011-04-10 | 2011-04-10 | Device and method for monitoring filter screen of outdoor equipment room fresh air ventilating system |
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| Application Number | Priority Date | Filing Date | Title |
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| CN2011100894227A CN102188868B (en) | 2011-04-10 | 2011-04-10 | Device and method for monitoring filter screen of outdoor equipment room fresh air ventilating system |
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| CN102188868A CN102188868A (en) | 2011-09-21 |
| CN102188868B true CN102188868B (en) | 2013-08-14 |
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Families Citing this family (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102411354A (en) * | 2011-11-04 | 2012-04-11 | 江苏科技大学 | Monitoring system and method for fresh air system filter screen of communication cabin for ship |
| CN104132876A (en) * | 2013-04-30 | 2014-11-05 | 鸿富锦精密工业（深圳）有限公司 | Dust detecting system of filter screen |
| CN103852398B (en) * | 2014-03-12 | 2017-01-04 | 上海夏普电器有限公司 | A kind of dust filter screen differential static pressure abatement detecting method based on temperature adjustmemt |
| TWI581642B (en) * | 2014-08-15 | 2017-05-01 | 台達電子工業股份有限公司 | Intelligent air-conditioning controlling system and intelligent controlling method for the same |
| DE102015200996A1 (en) * | 2015-01-22 | 2016-07-28 | Ford Global Technologies, Llc | Method and device for monitoring the service life of a filter |
| CN106290115A (en) * | 2016-10-17 | 2017-01-04 | 杭州富尔顿热能设备有限公司 | A kind of boiler and air filtering system on-Line Monitor Device thereof |
| CN109030306B (en) * | 2018-06-26 | 2021-07-23 | 杭州老板电器股份有限公司 | Range hood state detection method, device and system and range hood |
| CN111937753A (en) * | 2020-09-16 | 2020-11-17 | 珠海格力电器股份有限公司 | Air conditioning system for breeding house, control method and device thereof, and storage medium |
| CN112303708A (en) * | 2020-10-30 | 2021-02-02 | 青岛海信日立空调系统有限公司 | Air conditioner and control method |
| CN114011173B (en) * | 2021-11-09 | 2023-03-10 | 中山职业技术学院 | Filter detection and maintenance device of molecular sieve oxygen generator and molecular sieve oxygen generator thereof |
| CN115876508B (en) * | 2022-11-21 | 2023-06-30 | 广州旭杰电子有限公司 | Improved generation computer lab new trend system |
| CN117919863B (en) * | 2024-03-25 | 2024-06-04 | 广东天赐湾实验室装备制造有限公司 | Dust collection method of fume hood, electronic equipment and storage medium |
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| CN202028302U (en) * | 2011-04-10 | 2011-11-09 | 江苏香江科技股份有限公司 | Monitoring device of primary air system filter screen of outdoor machine room |
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| GB2406692A (en) * | 2003-08-06 | 2005-04-06 | Edwards Systems Technolgy Inc | Ambient conditon detector with airflow monitor |
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Address after: 212200 Jiangsu city of Zhenjiang province Yangzhong Chunliu Road No. 666 Patentee after: XIANGJIANG TECHNOLOGY Co.,Ltd. Address before: 212211 Zhenjiang City, Zhenjiang, Jiangsu Province, Yangzhong Development Zone, 580 mailbox Patentee before: Jiangsu Xiangjiang Science and Technology Co.,Ltd. |
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Address after: 212200 No. 666, Chun Liu Bei Road, Yangzhong City, Zhenjiang, Jiangsu. Patentee after: Xiangjiang Technology (Group) Co.,Ltd. Country or region after: China Address before: 212200 No. 666, Chun Liu Bei Road, Yangzhong City, Zhenjiang, Jiangsu. Patentee before: XIANGJIANG TECHNOLOGY Co.,Ltd. Country or region before: China |
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