CN103405975A - Air filter and blockage automatic alarming device and method therefor - Google Patents
Air filter and blockage automatic alarming device and method therefor Download PDFInfo
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- CN103405975A CN103405975A CN2013103292030A CN201310329203A CN103405975A CN 103405975 A CN103405975 A CN 103405975A CN 2013103292030 A CN2013103292030 A CN 2013103292030A CN 201310329203 A CN201310329203 A CN 201310329203A CN 103405975 A CN103405975 A CN 103405975A
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Abstract
The invention provides an air filter and a blockage automatic alarming device and a method therefor. The blockage automatic alarming device for the air filter comprises a sensing module, a controller and an alarming device, wherein the sensing module is used for acquiring the working condition data information of the air filter and sending the acquired data information to the controller; the controller is used for outputting an alarming instruction to the alarming device according to the data information received from the sensing module; the alarming device is used for giving an alarming prompt after receiving the alarming instruction. The invention also provides a corresponding method and an air filter. According to the invention, whether the air filter is blocked is judged according to the temperature difference of the inner side and the outer side of the air filter, so that in-time alarming can be realized to effectively prevent the equipment from overheating. The air filter and the blockage automatic alarming device and the method therefor can be widely applied to working conditions with harsh work environments, such as computer rooms or equipment cases.
Description
Technical field
The present invention relates to monitoring and alarming system, be specifically related to the method and apparatus of air filter clogging automatic alarm.
Background technology
In machine room or equipment cabinets; due in the long-term use procedure of equipment; especially in the bad area of environmental condition; air filter often can be stopped up by dust and rubbish in the short time; the air throughput greatly reduces, and has a strong impact on the heat radiation of equipment, causes the temperature heat build-up of equipment; cause stoppage protection or fault alarm, will burn plant equipment in serious situation.
For example: high-speed railway motor train unit train, acommodation train and important plant equipment have higher requirement to heat radiation, generally by the temperature alarm and the hand inspection that are arranged on equipment, realize the temperature inspection to equipment at present.And equipment generally has the filtration of air filter as front end air in the radiator front, guarantee that equipment surface is clean, be conducive to the heat radiation of equipment.This part is worked under long-term severe air quality; air filter often can be stopped up by dust and rubbish in the short time; the air throughput greatly reduces; have a strong impact on the heat radiation of equipment; cause the temperature heat build-up of equipment; cause stoppage protection or fault alarm, in serious situation, will burn the plant equipment consequence hardly imaginable.
Summary of the invention
For defect of the prior art, the method and apparatus that the purpose of this invention is to provide a kind of air filter clogging automatic alarm, for the temperature control system of special occasions and special installation is monitored to fault alarm, play equipment and equipment normal operation are played to an effect escort with this.
According to an aspect of the present invention, provide a kind of air filter clogging automatic alarm device, comprise as lower device:
Sensing module, be used to gathering the floor data information of air filter, and send to controller by the data message gathered;
Controller, be received from the data message of sensing module to the instruction of warning device output alarm for basis;
Warning device, for carrying out alarm after receiving alarm command.
Preferably, sensing module comprises as lower device:
-inboard temperature sensor, be used to gathering the internal temperature values of air filter;
-temperature outside sensor, be used to gathering the external temperature value of air filter;
Wherein, controller comprises as lower device:
-temperature comparison module, for judging whether the difference that internal temperature values deducts the external temperature value is greater than the design temperature threshold value, if described difference is greater than setting threshold, trigger the duration judge module, if described difference is less than or equal to the design temperature threshold value, continues the difference that the monitoring internal temperature values deducts the external temperature value and whether be greater than the design temperature threshold value;
-duration judge module, for judging whether the duration that described difference is greater than setting threshold is greater than the setting-up time threshold value, if the described duration is greater than the setting-up time threshold value, to the instruction of warning device output alarm, if the described duration is less than or equal to the setting-up time threshold value, by described duration zero clearing.
Preferably, sensing module comprises as lower device:
-air flow sensor, be used to gathering the gas flow rate at air cleaner gauze place;
Wherein, controller comprises as lower device:
The flow velocity comparison module, for judging whether the gas flow rate at air cleaner gauze place is less than the setting flow rate threshold, if described gas flow rate is less than the setting flow rate threshold, to the instruction of warning device output alarm, if described gas flow rate is more than or equal to the setting flow rate threshold, continues whether described gas flow rate is less than to the setting flow rate threshold and monitor.
Preferably, inboard temperature sensor is installed on the inboard of air cleaner gauze; The temperature outside installation of sensors is in the outside of air cleaner gauze.
Preferably, described alarm is LED light prompt, buzzer call prompting, Email advice or short message prompt.
According to another aspect of the present invention, also provide a kind of air filter clogging automatic alarm method, comprise the steps:
Step 1: the floor data information that gathers air filter;
Step 2: according to receiving described data message to the instruction of warning device output alarm;
Step 3: according to carrying out alarm after alarm command.
Preferably, described step 1 comprises the steps:
The internal temperature values of-collection air filter and the external temperature value of air filter;
Described step 2 comprises the steps:
Step 2.1A: judge whether the difference that internal temperature values deducts the external temperature value is greater than the design temperature threshold value; If described difference is greater than setting threshold, enters step 2.2 and continue to carry out; If described difference is less than or equal to the design temperature threshold value, return to step 1;
Step 2.2A: judge whether the duration that described difference is greater than setting threshold is greater than the setting-up time threshold value; If the described duration is greater than the setting-up time threshold value, enters step 2.3 and continue to carry out; If the described duration is less than or equal to the setting-up time threshold value, will after described duration zero clearing, return to step 1;
Step 2.3A: output alarm instruction.
Preferably, described step 1 comprises the steps:
The gas flow rate at-collection air cleaner gauze place;
Wherein, described step 2 comprises the steps:
Step 2.1B: whether the gas flow rate that judges the air cleaner gauze place is less than the setting flow rate threshold; If described gas flow rate is less than the setting flow rate threshold, enters step 2.2B and continue to carry out; If described gas flow rate is more than or equal to the setting flow rate threshold, return to step 1;
Step 2.2B: output alarm instruction.
Preferably, described internal temperature values is the temperature of the inboard of air cleaner gauze, and described external temperature value is the temperature in the outside of air cleaner gauze.
According to a further aspect of the invention, provide again a kind of air filter, comprise the described air filter clogging automatic alarm device of any one in claim 1 to 5.
Compared with prior art, the present invention has following beneficial effect:
The present invention is according to the difference of temperature outside in air filter, judge whether air filter is blocked, thereby can reach alarm, and then can effectively prevent apparatus overheat, the present invention can be widely used in the operating mode of the work under bad environment such as machine room or equipment cabinets.
The accompanying drawing explanation
By reading the detailed description of non-limiting example being done with reference to the following drawings, it is more obvious that other features, objects and advantages of the present invention will become:
Fig. 1 is the modular structure schematic diagram of air filter clogging automatic alarm device provided by the invention;
Fig. 2 is the electrical block diagram of air filter clogging automatic alarm device provided by the invention;
Fig. 3 is that the installation of medial and lateral temperature sensor and filter screen concerns schematic diagram;
Fig. 4 is the schematic flow sheet of air filter clogging automatic alarm method provided by the invention.
In figure:
1 is filter screen;
2 is the temperature outside sensor;
3 is inboard temperature sensor.
The specific embodiment
The present invention is described in detail below in conjunction with specific embodiment.Following examples will help those skilled in the art further to understand the present invention, but not limit in any form the present invention.It should be pointed out that to those skilled in the art, without departing from the inventive concept of the premise, can also make some distortion and improvement.These all belong to protection scope of the present invention.
According to air filter provided by the invention, the air filter clogging automatic alarm device.Wherein, described air filter clogging automatic alarm device comprises as lower device:
Sensing module, be used to gathering the floor data information of air filter, and send to controller by the data message gathered;
Controller, be received from the data message of sensing module to the instruction of warning device output alarm for basis;
Warning device, for carrying out alarm after receiving alarm command.
In a preference of the present embodiment, sensing module comprises as lower device:
-inboard temperature sensor, be used to gathering the internal temperature values of air filter;
-temperature outside sensor, be used to gathering the external temperature value of air filter;
Wherein, controller comprises as lower device:
-temperature comparison module, for judging whether the difference that internal temperature values deducts the external temperature value is greater than the design temperature threshold value, if described difference is greater than setting threshold, trigger the duration judge module, if described difference is less than or equal to the design temperature threshold value, continues the difference that the monitoring internal temperature values deducts the external temperature value and whether be greater than the design temperature threshold value;
-duration judge module, for judging whether the duration that described difference is greater than setting threshold is greater than the setting-up time threshold value, if the described duration is greater than the setting-up time threshold value, to the instruction of warning device output alarm, if the described duration is less than or equal to the setting-up time threshold value, by described duration zero clearing.
Particularly, inboard temperature sensor is installed on the inboard of air cleaner gauze; The temperature outside installation of sensors is in the outside of air cleaner gauze.Described alarm is LED light prompt, buzzer call prompting, Email advice or short message prompt.
In another preference of the present embodiment, sensing module comprises as lower device:
-air flow sensor, be used to gathering the gas flow rate at air cleaner gauze place;
Wherein, controller comprises as lower device:
The flow velocity comparison module, for judging whether the gas flow rate at air cleaner gauze place is less than the setting flow rate threshold, if described gas flow rate is less than the setting flow rate threshold, to the instruction of warning device output alarm, if described gas flow rate is more than or equal to the setting flow rate threshold, continues whether described gas flow rate is less than to the setting flow rate threshold and monitor.
Fig. 2 is the electrical block diagram of air filter clogging automatic alarm device provided by the invention.Wherein, temperature comparison module mainly consists of the IC operational amplifier.Air filter, under clean state, is arranged on air filter medial and lateral temperature sensor RT1 institute temperature sensor and is more or less the same, and is in relative balance state.Now, the magnitude of voltage of node V1 is less than the magnitude of voltage of node V2, and the IC operational amplifier is output as high level, and warning device is in static stand-by state.When air filter stops up to a certain extent, air capacity by air filter reduces, the temperature outside of air filter is lower than the temperature of air filter inboard, the magnitude of voltage of inboard temperature sensor RT2 resistance decline node V2 drops to the magnitude of voltage of node V1 when following, the level of the output p of IC operational amplifier is by high step-down, by resistance R 5, charge to capacitor C 1, approximately (this time delay Main Function is anti-interference) after several seconds, Schmidt trigger U2B and U3C upset output high level, drive alarm HL and report to the police.The setting of design temperature threshold value is determined by resistance R and R4.
Correspondingly, the invention provides a kind of air filter clogging automatic alarm method, comprise the steps:
Step 1: the floor data information that gathers air filter; Wherein, step 1 comprises the steps:
-gathering the internal temperature values of air filter and the external temperature value of air filter, described internal temperature values is the temperature of the inboard of air cleaner gauze, described external temperature value is the temperature in the outside of air cleaner gauze;
Step 2: according to receiving described data message to the instruction of warning device output alarm; Wherein, described step 2 comprises the steps:
Step 2.1A: judge whether the difference that internal temperature values deducts the external temperature value is greater than the design temperature threshold value; If described difference is greater than setting threshold, enters step 2.2 and continue to carry out; If described difference is less than or equal to the design temperature threshold value, return to step 1;
Step 2.2A: judge whether the duration that described difference is greater than setting threshold is greater than the setting-up time threshold value; If the described duration is greater than the setting-up time threshold value, enters step 2.3 and continue to carry out; If the described duration is less than or equal to the setting-up time threshold value, will after described duration zero clearing, return to step 1;
Step 2.3A: output alarm instruction;
Step 3: according to carrying out alarm after alarm command.
In one changed example, described step 1 comprised the steps:
The gas flow rate at-collection air cleaner gauze place;
Wherein, described step 2 comprises the steps:
Step 2.1B: whether the gas flow rate that judges the air cleaner gauze place is less than the setting flow rate threshold; If described gas flow rate is less than the setting flow rate threshold, enters step 2.2B and continue to carry out; If described gas flow rate is more than or equal to the setting flow rate threshold, return to step 1;
Step 2.2B: output alarm instruction.
According to flow chart 2, can find out, step comprises: start 1., enter detecting pattern 2., interior outside temperature sensor image data 3., whether the difference of internal and external temperature data is greater than the setting difference, if be less than predefined temperature difference, just reenter flow process 4., interior outside temperature sensor image data, if be greater than predefined temperature difference, just enter timing 5., if the time has exceeded the time of setting and has just entered warning output 7., if do not exceed the time of setting, the timer zero clearing 6., and reenter flow process 3. in outside temperature sensor image data.Here be mainly to prevent that misoperation is anti-interference.
Above specific embodiments of the invention are described.It will be appreciated that, the present invention is not limited to above-mentioned specific implementations, and those skilled in the art can make various distortion or modification within the scope of the claims, and this does not affect flesh and blood of the present invention.
Claims (10)
1. an air filter clogging automatic alarm device, is characterized in that, comprises as lower device:
Sensing module, be used to gathering the floor data information of air filter, and send to controller by the data message gathered;
Controller, be received from the data message of sensing module to the instruction of warning device output alarm for basis;
Warning device, for carrying out alarm after receiving alarm command.
2. air filter clogging automatic alarm device according to claim 1, is characterized in that, sensing module comprises as lower device:
-inboard temperature sensor, be used to gathering the internal temperature values of air filter;
-temperature outside sensor, be used to gathering the external temperature value of air filter;
Wherein, controller comprises as lower device:
-temperature comparison module, for judging whether the difference that internal temperature values deducts the external temperature value is greater than the design temperature threshold value, if described difference is greater than setting threshold, trigger the duration judge module, if described difference is less than or equal to the design temperature threshold value, continues the difference that the monitoring internal temperature values deducts the external temperature value and whether be greater than the design temperature threshold value;
-duration judge module, for judging whether the duration that described difference is greater than setting threshold is greater than the setting-up time threshold value, if the described duration is greater than the setting-up time threshold value, to the instruction of warning device output alarm, if the described duration is less than or equal to the setting-up time threshold value, by described duration zero clearing.
3. air filter clogging automatic alarm device according to claim 1, is characterized in that, sensing module comprises as lower device:
-air flow sensor, be used to gathering the gas flow rate at air cleaner gauze place;
Wherein, controller comprises as lower device:
The flow velocity comparison module, for judging whether the gas flow rate at air cleaner gauze place is less than the setting flow rate threshold, if described gas flow rate is less than the setting flow rate threshold, to the instruction of warning device output alarm, if described gas flow rate is more than or equal to the setting flow rate threshold, continues whether described gas flow rate is less than to the setting flow rate threshold and monitor.
4. air filter clogging automatic alarm device according to claim 2, is characterized in that, inboard temperature sensor is installed on the inboard of air cleaner gauze; The temperature outside installation of sensors is in the outside of air cleaner gauze.
5. air filter clogging automatic alarm device according to claim 1, is characterized in that, described alarm is LED light prompt, buzzer call prompting, Email advice or short message prompt.
6. an air filter clogging automatic alarm method, is characterized in that, comprises the steps:
Step 1: the floor data information that gathers air filter;
Step 2: according to receiving described data message to the instruction of warning device output alarm;
Step 3: according to carrying out alarm after alarm command.
7. air filter clogging automatic alarm method according to claim 6, is characterized in that, described step 1 comprises the steps:
The internal temperature values of-collection air filter and the external temperature value of air filter;
Described step 2 comprises the steps:
Step 2.1A: judge whether the difference that internal temperature values deducts the external temperature value is greater than the design temperature threshold value; If described difference is greater than setting threshold, enters step 2.2 and continue to carry out; If described difference is less than or equal to the design temperature threshold value, return to step 1;
Step 2.2A: judge whether the duration that described difference is greater than setting threshold is greater than the setting-up time threshold value; If the described duration is greater than the setting-up time threshold value, enters step 2.3 and continue to carry out; If the described duration is less than or equal to the setting-up time threshold value, will after described duration zero clearing, return to step 1;
Step 2.3A: output alarm instruction.
8. air filter clogging automatic alarm method according to claim 6, is characterized in that, described step 1 comprises the steps:
The gas flow rate at-collection air cleaner gauze place;
Wherein, described step 2 comprises the steps:
Step 2.1B: whether the gas flow rate that judges the air cleaner gauze place is less than the setting flow rate threshold; If described gas flow rate is less than the setting flow rate threshold, enters step 2.2B and continue to carry out; If described gas flow rate is more than or equal to the setting flow rate threshold, return to step 1;
Step 2.2B: output alarm instruction.
9. air filter clogging automatic alarm method according to claim 7, is characterized in that, described internal temperature values is the temperature of the inboard of air cleaner gauze, and described external temperature value is the temperature in the outside of air cleaner gauze.
10. an air filter, is characterized in that, comprises the described air filter clogging automatic alarm device of any one in claim 1 to 5.
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| CN2013103292030A CN103405975A (en) | 2013-07-31 | 2013-07-31 | Air filter and blockage automatic alarming device and method therefor |
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| CN2013103292030A CN103405975A (en) | 2013-07-31 | 2013-07-31 | Air filter and blockage automatic alarming device and method therefor |
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Cited By (10)
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| CN103752100A (en) * | 2014-01-22 | 2014-04-30 | 河南龙成煤高效技术应用有限公司 | Deashing measuring and control device and method of dust remover filter element |
| CN104568698A (en) * | 2014-12-26 | 2015-04-29 | 广东美的制冷设备有限公司 | Device and method for detecting state of filter screen in air conditioner |
| WO2016026069A1 (en) * | 2014-08-18 | 2016-02-25 | 友隆电器工业(深圳)有限公司 | Filter screen blockage alarm device, air conditioner device, dehumidifier, air purifier and heating device |
| CN106383013A (en) * | 2016-08-17 | 2017-02-08 | 潍柴动力股份有限公司 | Oil filter anti-counterfeiting and service life diagnosis system |
| CN108632457A (en) * | 2018-04-10 | 2018-10-09 | Oppo广东移动通信有限公司 | temperature information processing method, device, storage medium and terminal |
| CN108778459A (en) * | 2015-12-30 | 2018-11-09 | Bmc有限公司 | The vehicles of the air filter with heating device are equipped at air inlet |
| CN111579717A (en) * | 2020-05-07 | 2020-08-25 | 成都千嘉科技有限公司 | Breathing hole blockage detection method and device, readable medium and gas-sensitive alarm equipment |
| CN113060164A (en) * | 2021-03-31 | 2021-07-02 | 中车青岛四方机车车辆股份有限公司 | Filter screen monitoring method and system and related components |
| EP3866077A1 (en) * | 2020-02-13 | 2021-08-18 | MOJ.IO Inc. | Computing system with vehicle maintenance mechanism and method of operation thereof |
| CN115145328A (en) * | 2022-09-01 | 2022-10-04 | 安徽南瑞中天电力电子有限公司 | Temperature control method of I-type concentrator and I-type concentrator |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN103752100A (en) * | 2014-01-22 | 2014-04-30 | 河南龙成煤高效技术应用有限公司 | Deashing measuring and control device and method of dust remover filter element |
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| CN108632457A (en) * | 2018-04-10 | 2018-10-09 | Oppo广东移动通信有限公司 | temperature information processing method, device, storage medium and terminal |
| EP3866077A1 (en) * | 2020-02-13 | 2021-08-18 | MOJ.IO Inc. | Computing system with vehicle maintenance mechanism and method of operation thereof |
| US11521433B2 (en) | 2020-02-13 | 2022-12-06 | Moj.Io, Inc. | Computing system with vehicle maintenance mechanism and method of operation thereof |
| CN111579717A (en) * | 2020-05-07 | 2020-08-25 | 成都千嘉科技有限公司 | Breathing hole blockage detection method and device, readable medium and gas-sensitive alarm equipment |
| CN111579717B (en) * | 2020-05-07 | 2021-08-17 | 成都千嘉科技有限公司 | Breathing hole blockage detection method and device, readable medium and gas-sensitive alarm equipment |
| CN113060164A (en) * | 2021-03-31 | 2021-07-02 | 中车青岛四方机车车辆股份有限公司 | Filter screen monitoring method and system and related components |
| CN115145328A (en) * | 2022-09-01 | 2022-10-04 | 安徽南瑞中天电力电子有限公司 | Temperature control method of I-type concentrator and I-type concentrator |
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Application publication date: 20131127 |