CN110107954A - A kind of non-maintaining fresh air air conditioner for machine - Google Patents
A kind of non-maintaining fresh air air conditioner for machine Download PDFInfo
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- CN110107954A CN110107954A CN201910493975.5A CN201910493975A CN110107954A CN 110107954 A CN110107954 A CN 110107954A CN 201910493975 A CN201910493975 A CN 201910493975A CN 110107954 A CN110107954 A CN 110107954A
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- 239000012528 membrane Substances 0.000 claims abstract description 32
- 239000000428 dust Substances 0.000 claims abstract description 18
- 239000012510 hollow fiber Substances 0.000 claims abstract description 17
- 229920001343 polytetrafluoroethylene Polymers 0.000 claims description 8
- 239000004810 polytetrafluoroethylene Substances 0.000 claims description 8
- -1 polytetrafluoroethylene Polymers 0.000 claims description 7
- 239000000463 material Substances 0.000 claims description 6
- 238000010438 heat treatment Methods 0.000 claims description 3
- 238000005057 refrigeration Methods 0.000 claims description 2
- 230000007774 longterm Effects 0.000 abstract description 4
- 238000004140 cleaning Methods 0.000 abstract 1
- 230000000694 effects Effects 0.000 description 5
- 238000001914 filtration Methods 0.000 description 5
- 238000012360 testing method Methods 0.000 description 5
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 4
- 239000007789 gas Substances 0.000 description 4
- 239000000843 powder Substances 0.000 description 4
- CBENFWSGALASAD-UHFFFAOYSA-N Ozone Chemical compound [O-][O+]=O CBENFWSGALASAD-UHFFFAOYSA-N 0.000 description 2
- 229910002092 carbon dioxide Inorganic materials 0.000 description 2
- 239000001569 carbon dioxide Substances 0.000 description 2
- 238000001816 cooling Methods 0.000 description 2
- 239000012717 electrostatic precipitator Substances 0.000 description 2
- 239000000835 fiber Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000005457 optimization Methods 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 238000009825 accumulation Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000009833 condensation Methods 0.000 description 1
- 230000005494 condensation Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 239000003517 fume Substances 0.000 description 1
- 238000007654 immersion Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000003908 quality control method Methods 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 230000029058 respiratory gaseous exchange Effects 0.000 description 1
- 238000012795 verification Methods 0.000 description 1
- 230000003245 working effect Effects 0.000 description 1
Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F1/00—Room units for air-conditioning, e.g. separate or self-contained units or units receiving primary air from a central station
- F24F1/0003—Room units for air-conditioning, e.g. separate or self-contained units or units receiving primary air from a central station characterised by a split arrangement, wherein parts of the air-conditioning system, e.g. evaporator and condenser, are in separately located units
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F13/00—Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
- F24F13/24—Means for preventing or suppressing noise
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F13/00—Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
- F24F13/28—Arrangement or mounting of filters
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F7/00—Ventilation
- F24F7/007—Ventilation with forced flow
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F13/00—Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
- F24F13/24—Means for preventing or suppressing noise
- F24F2013/247—Active noise-suppression
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Air Filters, Heat-Exchange Apparatuses, And Housings Of Air-Conditioning Units (AREA)
- Air Conditioning Control Device (AREA)
- Separation Using Semi-Permeable Membranes (AREA)
Abstract
一种免维护新风空调机，在空调机室外机机箱里装有用滤筒或中空纤维膜组件制成的滤芯，装有以高压气泵、储气罐、气阀、压力传感器、控制电路板组成的反吹清灰系统。自动监测滤芯压力，判断阻塞程度，自动释放高压脉冲气流，清除沉积灰尘，实现长期免维护运行。
A maintenance-free fresh air air conditioner. A filter element made of a filter cartridge or a hollow fiber membrane assembly is installed in the outdoor unit chassis of the air conditioner. Backflush cleaning system. Automatically monitor the pressure of the filter element, judge the degree of blockage, automatically release the high-pressure pulsed airflow, remove the deposited dust, and achieve long-term maintenance-free operation.
Description
技术领域technical field
一种免维护新风空调机。当代技术术语里的“空调机”是一种约定俗成的名称，传统意义上的“空调机”特指仅用来调节室内温度和湿度的机器，严格说，其技术领域应属于“温、湿度调节机”。近来，新风机和室内空气净化器开始与传统的“空调机”相结合，增加了调节空气质量的功能，因此传统的“空调机”概念被赋予了新的含义，也形成了一个新的技术领域。本发明所属的技术领域属于在温湿度调节功能基础之上，同时具有空气质量控制功能的全功能空调机这个新领域。A maintenance-free fresh air conditioner. The "air conditioner" in contemporary technical terms is a conventional name. The "air conditioner" in the traditional sense refers to a machine that is only used to adjust the indoor temperature and humidity. Strictly speaking, its technical field should belong to "temperature and humidity adjustment. machine". Recently, fresh air fans and indoor air purifiers have begun to be combined with traditional "air conditioners" to increase the function of regulating air quality. Therefore, the traditional concept of "air conditioners" has been given a new meaning and a new technology has been formed. field. The technical field to which the present invention belongs belongs to the new field of a full-function air conditioner with an air quality control function based on the temperature and humidity adjustment function.
背景技术Background technique
新风空调机的实质是在原有仅具有调节室内温度和湿度装置的基础之上，增加新鲜空气的引入。之前已经由许多尝试和产品，如某空调厂家在其产品的室内机上加装了一个小的空气泵和一根通向室外的细管，将室外空气送入室内，没有任何过滤装置，这种机型初期工作效果尚可，但是一年之后，空气中的灰尘在翅片上大量沉积，被冷凝水带到了排水管，沉积，堵塞了排水管，造成整机损坏。另一专业空调厂家，则是在室外机中增加了一个静电除尘器，用管道与室内机连接，向室内供应新风，由于积尘后产生大量臭氧，这个机型也没有成功。更多的尝试是采用高效过滤器（HAPE），过滤外来空气中的粉尘，之后在送入室内，如：专利CN201821119990，CN201810732391，但是，由于这种滤材的容尘量都很小，且不能在潮湿条件下工作，必须经常更换或清理滤芯，给用户增加很多成本和麻烦，这种产品也没有能得到很好的推广。The essence of the fresh air conditioner is to increase the introduction of fresh air on the basis of the original device that only regulates the indoor temperature and humidity. There have been many attempts and products before. For example, an air conditioner manufacturer has installed a small air pump and a thin tube leading to the outside of the indoor unit of its product to send the outdoor air into the room without any filter device. The initial working effect of the model was acceptable, but after a year, a large amount of dust in the air was deposited on the fins, and the condensed water was carried to the drain pipe, which deposited and blocked the drain pipe, causing damage to the whole machine. Another professional air conditioner manufacturer added an electrostatic precipitator to the outdoor unit, which was connected to the indoor unit with a pipe to supply fresh air to the room. Due to the large amount of ozone generated after dust accumulation, this model was also unsuccessful. More attempts are to use a high-efficiency filter (HAPE) to filter the dust in the external air, and then send it into the room, such as: patent CN201821119990, CN201810732391, but, because the dust holding capacity of this filter material is very small, and can not Working in wet conditions, the filter element must be replaced or cleaned frequently, which adds a lot of cost and trouble to the user, and this product has not been well promoted.
新风空调关键的技术要求有3点：1、对外来空气的高效过滤；2、滤芯能够在高湿度、高粉尘、高油烟环境下达标并稳定运行；3、滤芯的少维护或免维护；到目前为止还没有检索到能够同时实现这三个技术水平的产品以及相关信息。The key technical requirements of fresh air air conditioners are 3 points: 1. High-efficiency filtration of external air; 2. The filter element can reach the standard and operate stably in the environment of high humidity, high dust and high oil fume; 3. The filter element is less or maintenance-free; So far, no products and related information that can simultaneously achieve these three technical levels have been retrieved.
为了解决上述问题，郭绍华在CN201520577283专利申请中提出了用中空纤维膜特别是聚四氟乙烯中空纤维膜及其组件作为新风空调机主滤材的技术方案，几年来的实验证明，这个方案能够满意实现上述3个技术要点的前2项，但是仍然还达不到长期免维护的技术要求。In order to solve the above problems, Guo Shaohua proposed in the patent application CN201520577283 a technical scheme of using hollow fiber membranes, especially polytetrafluoroethylene hollow fiber membranes and their components as the main filter material of fresh air air conditioners. The experiments in the past few years have proved that this scheme can be satisfactorily To achieve the first two of the above three technical points, but still can not meet the long-term maintenance-free technical requirements.
发明内容SUMMARY OF THE INVENTION
本发明旨在CN201520577283专利申请内容的基础之上提出进一步的改进，以期实现长期免维护的技术要求。The invention aims to propose further improvements on the basis of the content of the CN201520577283 patent application, so as to realize the technical requirements of long-term maintenance-free.
本发明的实质在于：一种免维护新风空调机，在空调机的室外机机箱内部装有作为主滤材的滤芯，所述滤芯的端部装有一个集气罩，所述集气罩上连接一个出气阀，所述出气阀的另一端连接低压空气泵的入口，所述低压空气泵的出口连接消音器，所述消音器的出口连接出气端子，所述出气端子经管道连接室内机；所述集气罩经细管与一个高压阀连接，所述高压阀的另一端经细管与储气罐连接，所述储气罐与高压气泵连接；所述集气罩上装有一个低压压力传感器；所述储气罐上装有一个高压压力传感器；所述空调机的室外机机箱内还装有常规的制冷制热系统；当本装置处于送新风工况时，所述低压空气泵产生的负压吸引外在空气进入机箱，穿过所述滤芯壁，滤除粉尘，洁净空气经过所述集气罩，穿过处于打开状态的所述出气阀，通过所述消音器，经由所述出气端子以及所连接的管道，将洁净空气送至室内机；同时，所述高压空气泵气动，向所述储气罐充气，当所述高压压力传感器感受的压力达到0.2---0.4Mpa时，高压空气泵停止运转，进入保压状态；在本装置处于送风工况时，所述低压压力传感器感知压力达到600---1.5kpa时，所述空气泵停止工作，所述出气阀关闭，所述高压气阀打开，高压空气冲入所述集气罩，冲入所述滤芯的内腔，产生反吹力，清除附着在所述滤芯外表面上的粉尘；被吹落的灰尘落入贮尘盒中，所有的动作由控制电路板管理。The essence of the present invention lies in: a maintenance-free fresh air air conditioner, a filter element serving as a main filter material is installed inside the outdoor unit casing of the air conditioner, an air collecting cover is installed at the end of the filter element, and the air collecting cover is on the air collecting cover. Connect an air outlet valve, the other end of the air outlet valve is connected to the inlet of the low-pressure air pump, the outlet of the low-pressure air pump is connected to a muffler, the outlet of the muffler is connected to an air outlet terminal, and the air outlet terminal is connected to the indoor unit through a pipeline; The gas collecting hood is connected with a high-pressure valve through a thin tube, and the other end of the high-pressure valve is connected with a gas storage tank through a thin tube, and the gas storage tank is connected with a high-pressure air pump; the gas collecting hood is equipped with a low-pressure pressure A high-pressure pressure sensor is installed on the air storage tank; a conventional refrigeration and heating system is also installed in the outdoor unit chassis of the air conditioner; when the device is in the condition of supplying fresh air, the low-pressure air pump generates Negative pressure attracts external air into the chassis, passes through the filter element wall, filters out dust, clean air passes through the air collecting hood, passes through the open air outlet valve, passes through the muffler, and passes through the air outlet The terminal and the connected pipeline send clean air to the indoor unit; at the same time, the high-pressure air pump is pneumatic to inflate the air storage tank, when the pressure sensed by the high-pressure pressure sensor reaches 0.2---0.4Mpa, The high-pressure air pump stops running and enters the pressure-maintaining state; when the device is in the air supply condition, when the low-pressure pressure sensor senses that the pressure reaches 600---1.5kpa, the air pump stops working, and the air outlet valve is closed. The high-pressure air valve is opened, and the high-pressure air rushes into the air collecting hood and into the inner cavity of the filter element to generate a blowback force to remove the dust attached to the outer surface of the filter element; the blown dust falls into the filter element. In the dust box, all actions are managed by the control circuit board.
作为主滤材的所述滤芯是中空纤维膜膜丝集束而成的膜组件，或是覆膜折叠制成的滤筒。The filter element as the main filter material is a membrane module formed by bundled hollow fiber membrane membrane filaments, or a filter cartridge formed by folding a membrane.
其中，所述中空纤维膜膜丝集束而成的膜组件选聚四氟乙烯中空纤维膜膜丝。Wherein, the membrane module formed by bundling the hollow fiber membrane filaments is selected from polytetrafluoroethylene hollow fiber membrane filaments.
其中，所述聚四氟乙烯中空纤维膜膜丝优选亲水性的聚四氟乙烯中空纤维膜膜丝。Among them, the polytetrafluoroethylene hollow fiber membrane membrane is preferably a hydrophilic polytetrafluoroethylene hollow fiber membrane membrane.
对于小于20----100m³/h的新风量，采用单个中空纤维膜膜丝组件，室外机和室内机之间不附加热交换器；对于小于100m³/h以上的新风量，采用多个中空纤维膜膜丝组件组成的阵列或帘式膜组件，在室外机和室内机之间增加热交换器。For the fresh air volume less than 20-100m³/h, a single hollow fiber membrane fiber assembly is used, and no heat exchanger is attached between the outdoor unit and the indoor unit; for the fresh air volume less than 100m³/h, multiple hollow fiber membranes are used. An array or curtain membrane module composed of fiber membrane membrane filament modules, adding a heat exchanger between the outdoor unit and the indoor unit.
附图说明Description of drawings
附图1是一种免维护新风空调机的一个采用中空纤维膜滤芯实例示意图。1 is a schematic diagram of an example of a maintenance-free fresh air conditioner using a hollow fiber membrane filter element.
图中：（01）贮尘盒；（1）出气端子；（2）消音器；（3）高压气泵；（4）储气罐；（5）高压气阀；（6）滤芯；（7）集气罩；（8）低压压力传感器；（9）出气阀；（10）低压空气泵；（11）控制电路板；（12）空调机室外机机箱；（13）高压压力传感器；（14）空调机的制冷制热部分。In the picture: (01) Dust storage box; (1) Air outlet terminal; (2) Muffler; (3) High pressure air pump; (4) Air storage tank; (5) High pressure air valve; (6) Filter element; (7) Air collecting hood; (8) Low pressure pressure sensor; (9) Air outlet valve; (10) Low pressure air pump; (11) Control circuit board; (12) Air conditioner outdoor unit chassis; (13) High pressure pressure sensor; (14) The cooling and heating part of the air conditioner.
具体实施specific implementation
阀门优化：作为一种实施和优化，所述出气阀（9）和所述高压气阀（5）两只阀门的功能可以被集成为一个二位三通的气阀。Valve optimization: As an implementation and optimization, the functions of the two valves of the air outlet valve (9) and the high pressure air valve (5) can be integrated into a two-position three-way air valve.
热交换：本装置的一款实验性样机是针对20平方米小面积卧室设计的，设计风量20—50m³/h，可以满足两人呼吸。考虑到风量较小，如果加装热交换器，并不能明显节约能量，反而还会有所增加，于是采用直接送风的方式。当设计风量在100m³/h以上时，应加装热交换器。Heat exchange: An experimental prototype of this device is designed for a small bedroom of 20 square meters. The designed air volume is 20-50m³/h, which can satisfy the breathing of two people. Considering that the air volume is small, if a heat exchanger is installed, the energy will not be significantly saved, but it will increase, so the direct air supply method is adopted. When the designed air volume is above 100m³/h, a heat exchanger should be installed.
新风作用：在15平米，两人卧室中，连续几个月实测数据显示，不加新风只开制冷工况条件下，9小时后室内二氧化碳浓度上升至4500ppm。打开新风供给，9小时后室内二氧化碳浓度低于1000PPm。过滤效果始终保持在PM2.5小于1ug/m³水平。Effect of fresh air: In a 15-square-meter, two-person bedroom, the measured data for several months shows that the indoor carbon dioxide concentration rises to 4500ppm after 9 hours under the condition of only cooling without fresh air. Turn on the fresh air supply, and the indoor carbon dioxide concentration is lower than 1000PPm after 9 hours. The filtering effect is always maintained at the level of PM2.5 less than 1ug/m³.
反吹效果：一组特定型号的聚四氟乙烯中空纤维膜实验膜丝，在试验台上。不加反吹的条件下，2Kg试验粉吸入后，滤芯的压力从380pa升高到2000Pa----3000Pa。增加反吹，2kg试验粉吸入后，滤芯压力从380pa上升至520Pa，再吸入8kg试验粉，滤芯风阻压力始终在400到520pa之间波动。过滤效果始终保持在PM2.5小于1ug/m³水平。Backflushing effect: a set of specific types of PTFE hollow fiber membrane experimental membrane filaments, on the test bench. Without backflushing, after 2Kg of test powder is inhaled, the pressure of the filter element increases from 380Pa to 2000Pa----3000Pa. Increase the backflush, after 2kg of test powder is inhaled, the pressure of the filter element rises from 380pa to 520Pa, and then 8kg of test powder is inhaled, and the air resistance pressure of the filter element always fluctuates between 400 and 520pa. The filtering effect is always maintained at the level of PM2.5 less than 1ug/m³.
抗高湿度验证：用电热水壶产生蒸汽， 20分钟蒸发1800ml，新风机风量50m³/h，直接吸入膜组件进风口，与此同时吸入500克试验粉。滤芯风阻压力始终在500到620pa之间波动。过滤效果始终保持在PM2.5小于1ug/m³水平。Verification of resistance to high humidity: use an electric kettle to generate steam, evaporate 1800ml in 20 minutes, and the air volume of the fresh fan is 50m³/h, directly inhale the air inlet of the membrane module, and at the same time inhale 500g of test powder. The air resistance pressure of the filter element always fluctuates between 500 and 620pa. The filtering effect is always maintained at the level of PM2.5 less than 1ug/m³.
贮尘盒：以50m³/h的风量为例，在年平均100ug/m³的大气环境中（北京市2018年年平均50ug/m³），每年收集灰尘40克，如果贮尘盒设计容量1Kg，可以免清理使用25年。Dust storage box: Taking the air volume of 50m³/h as an example, in an atmospheric environment with an annual average of 100ug/m³ (annual average of 50ug/m³ in Beijing in 2018), 40 grams of dust are collected every year. If the design capacity of the dust storage box is 1Kg, it can be 25 years of cleaning-free use.
有益效果beneficial effect
1、实现了新风空调机的长期免维护，无耗材，大大节省了维护成本，为新风空调的实用化创造了条件。1. Realize the long-term maintenance-free and no consumables of the fresh air air conditioner, which greatly saves the maintenance cost and creates conditions for the practical application of the fresh air air conditioner.
2、可在高湿度、结露甚至局部水浸条件下长期稳定工作，这是传统HAPE和静电除尘器都无法达到的。2. It can work stably for a long time under the conditions of high humidity, condensation and even partial water immersion, which cannot be achieved by traditional HAPE and electrostatic precipitators.
3、过滤精度高，能耗低，无臭氧危害，安装方便，噪声低，滤材回收利用方便、价值高、无二次污染。3. High filtration precision, low energy consumption, no ozone hazard, easy installation, low noise, convenient filter material recycling, high value, and no secondary pollution.
Claims (4)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910493975.5A CN110107954A (en) | 2019-06-08 | 2019-06-08 | A kind of non-maintaining fresh air air conditioner for machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910493975.5A CN110107954A (en) | 2019-06-08 | 2019-06-08 | A kind of non-maintaining fresh air air conditioner for machine |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN111497567A (en) * | 2020-05-14 | 2020-08-07 | 广东风和洁净工程有限公司 | Vehicle-mounted fresh air purifying device |
| CN111572317B (en) * | 2020-06-19 | 2022-05-17 | 广东风和洁净工程有限公司 | Filter box of vehicle-mounted maintenance-free fresh air system |
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| CN111572317B (en) * | 2020-06-19 | 2022-05-17 | 广东风和洁净工程有限公司 | Filter box of vehicle-mounted maintenance-free fresh air system |
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Application publication date: 20190809 |