CN212644767U - Energy-saving purification device based on internal circulation and air conditioning system - Google Patents
Energy-saving purification device based on internal circulation and air conditioning system Download PDFInfo
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- CN212644767U CN212644767U CN202021122196.9U CN202021122196U CN212644767U CN 212644767 U CN212644767 U CN 212644767U CN 202021122196 U CN202021122196 U CN 202021122196U CN 212644767 U CN212644767 U CN 212644767U
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Abstract
The utility model discloses an energy-conserving purifier and air conditioning system based on inner loop. The energy-saving purification device comprises a filtering and adsorbing unit, wherein the filtering and adsorbing unit is used for adsorbing CO 2; an air heating unit for heating air entering the filtering and adsorbing unit to release CO2 in the filtering and adsorbing unit; the air pressurizing unit is communicated to the filtering and adsorbing unit and is used for increasing the static pressure of air entering the filtering and adsorbing unit; the rear end of the air outlet end of the filtering and adsorbing unit is connected to the switching unit, and the switching unit is connected to the purifying air outlet pipe and the exhaust pipe. The utility model discloses energy-conserving purifier can effectively reduce the CO2 concentration of room air to can reduce the fresh air volume, reduce the air conditioning system energy consumption, consequently can subdue air conditioning system's design cold/hot load, because the fresh air volume that the building needs reduces, consequently its air conditioning system's cold volume demand is reducible, consequently reduces the cost of whole air conditioner.
Description
Technical Field
The utility model relates to an air conditioning equipment field, concretely relates to energy-conserving purifier, air conditioning system and control method based on inner loop.
Background
The quality of indoor air directly influences the health of people, and current air purification equipment is mainly used for removing the content of harmful substances such as indoor TVOC, PM2.5, etc. and neglects the influence of the concentration of carbon dioxide in the air on people. The concentration of carbon dioxide in the urban outdoor air is usually 0.4-0.5% (400-500 PPM); when the concentration of carbon dioxide reaches 1% (1000PPM), people feel bored, the attention begins to be unconscious, and the people feel palpitation and ventilation; when the concentration of the carbon dioxide reaches 1500-; after the PPM is exceeded 2000PPM, the thinking ability is obviously reduced; above 5000PPM, the body functions are seriously disordered, which makes people lose consciousness and unclear consciousness. Reducing the concentration of carbon dioxide is undoubtedly an important means of creating acceptable indoor air quality. However, comprehensive measures must be taken to truly meet the air quality standard. Currently, there are two main approaches to improving indoor air quality: (1) increase indoor fresh air volume, carry a large amount of new trend indoor through dedicated fresh air handling unit to reduce indoor CO 2's content. Usually, the outdoor fresh air temperature is higher than the indoor temperature in summer, and the PM2.5 concentration in the outdoor fresh air is higher than that in the summer, so the scheme can cause the increase of the energy consumption of the building air conditioner and reduce the service time of filtering consumables. (2) The indoor independent air purifier is used indoors, the content of harmful substances such as indoor PM2.5 and TVOC can only be reduced, but the concentration of indoor CO2 cannot be reduced, the used area is small, and the noise is high when the air purifier is operated with large wind.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a comparatively energy-conserving purifier, air conditioning system based on inner loop and control method thereof.
The utility model provides a technical scheme that above-mentioned problem adopted is:
the utility model provides an energy-conserving purifier based on inner loop which characterized in that: comprises a filtering and adsorbing unit used for adsorbing CO 2; an air heating unit for heating air entering the filtering and adsorbing unit to release CO2 in the filtering and adsorbing unit; the air pressurizing unit is communicated to the filtering and adsorbing unit and is used for increasing the static pressure of air entering the filtering and adsorbing unit; the switching unit, the rear end that filters the end of giving vent to anger of absorption unit is connected to the switching unit, the switching unit is connected to and purifies tuber pipe and exhaust pipe, and the switching unit is used for communicateing to filtering the end of giving vent to anger of absorption unit with purifying out two alternatives of tuber pipe and exhaust pipe.
Further, as preferred, still include the photocatalysis air purification unit, the photocatalysis air purification unit is used for carrying out TVOC (indoor organic gaseous matter) and the removal of bacterium to the air discharge purification tuber pipe before.
Further, preferably, the air pressurizing unit employs a blower.
Further, as preferred, the air supercharging unit adopts the switching unit to adopt two sets of governing valves, and the import of two sets of governing valves is connected to respectively and filters the absorption unit, and the export of two sets of governing valves is connected to respectively and purifies tuber pipe and exhaust pipe.
Further, preferably, the air pressurizing unit, the air heating unit and the filtering and adsorbing unit are communicated in sequence.
The air conditioning system based on the energy-saving purification device is characterized in that: the inlet end of the filtering and adsorbing unit is communicated to an indoor air return pipe of the air conditioner through the air inlet pipe, the outlet end of the purifying air outlet pipe is communicated to the indoor air return pipe of the air conditioner, the indoor air return pipe is provided with an air return pipe stop valve, and when the energy-saving purifying device operates, the air return pipe stop valve is closed, so that indoor air enters the energy-saving purifying device through the air inlet pipe.
Preferably, the indoor air conditioner further comprises an air inlet detection unit and an air outlet detection unit, wherein the air inlet detection unit is used for detecting air entering an indoor return air duct or an air inlet duct, and the air inlet detection unit comprises any one or combination of a CO2 sensor, a TVOC sensor, a temperature sensor, a humidity sensor, a static pressure sensor and a wind speed sensor.
A control method of an air conditioning system is characterized in that: when the energy-saving purification device works, the purification energy-saving mode and the self-cleaning mode are switched, (1) when the purification energy-saving mode is in the purification energy-saving mode: after the indoor air enters the filtering and adsorbing unit and is absorbed with CO2, the indoor air enters the air conditioning system through the purifying air outlet pipe, and in the process, the air heating unit does not work and the exhaust pipe is in a shutdown state; (2) in the self-cleaning mode: indoor air enters the air heating unit to be heated and then enters the filtering and adsorbing unit, the filtering and adsorbing unit releases CO2 after being heated by hot air and discharges the air out of the outdoor space through the exhaust pipe, and the purified exhaust pipe is in a closed state in the process.
Further, preferably, when the air conditioner enters the purification energy-saving mode, the fresh air intake quantity of the air conditioner is reduced or shut down through the regulating valve on the fresh air pipe.
Further, preferably, the photocatalytic air purification unit is in a shutdown state when entering the self-cleaning mode.
Compared with the prior art, the utility model, have following advantage and effect:
(1) the utility model discloses energy-conserving purifier can effectively reduce the CO2 concentration of room air to can reduce the fresh air volume, reduce the air conditioning system energy consumption, consequently can subdue air conditioning system's design cold/hot load, because the fresh air volume that the building needs reduces, consequently its air conditioning system's cold volume demand is reducible, consequently reduces the cost of whole air conditioner.
(2) The utility model discloses the energy-conserving purifier of device can realize the automatically cleaning through the heating, releases carbon dioxide and thinks outdoor discharge to keep the absorptive capacity of during operation carbon dioxide, compare and use other filtration methods such as filter screen, no follow-up consumptive material change expense reduces consumptive material use cost.
(3) The utility model discloses the installation of device need not change current air conditioning system's equipment, and the installation is simple with connected mode. And the daily use habits of the users are completely consistent with the original system.
(4) Improve obviously to the indoor air quality, the utility model discloses photocatalysis air purification unit, photocatalysis air purification unit can carry out getting rid of TVOC and bacterium to the room air to can not produce harmful gas such as ozone.
Drawings
Fig. 1 is a schematic view of a connection structure of an energy-saving purification device according to an embodiment of the present invention.
Fig. 2 is a schematic structural diagram of an energy-saving purification device according to an embodiment of the present invention.
The reference numbers are as follows: the air purification device comprises an air inlet pipe 11, an air pressurization unit 12, a photocatalytic air purification unit 13, an air heating unit 14, a filtering and adsorbing unit 15, a purification air outlet pipe 16, an exhaust pipe 17, a regulating valve 18, an air conditioner 21, an indoor return air pipe 22, a return air pipe stop valve 23, a fresh air pipe 24, an air inlet detection unit 31 and an air outlet detection unit 32
Detailed Description
The present invention will be described in further detail by way of examples with reference to the accompanying drawings, which are illustrative of the present invention and are not intended to limit the present invention.
Referring to fig. 2, the energy-saving purification device of the embodiment comprises a filtering and adsorbing unit 15, an air heating unit 14, an air pressurizing unit 12, a switching unit, a photocatalytic air purification unit 13, a purified air outlet pipe 16, an exhaust pipe 17 and an air inlet pipe 11,
the filtering and adsorbing unit 15 is used for adsorbing CO2, the filtering and adsorbing unit 15 is realized by a filter in which a carbon dioxide adsorbing material is stored, the carbon dioxide adsorbing material can comprise one or more carbon dioxide adsorbing materials, and the carbon dioxide adsorbing material can adopt: calcium oxide (reaction process: CaO + CO2 at room temperature — CaCO3, and CaCO3 at high temperature — CaO + CO2), or other materials that adsorb CO2 at low temperature and release CO2 at high temperature may be used. The carbon dioxide adsorbing material is made into a granular shape or a net shape or a fiber shape.
The air heating unit 14 is used for heating the air entering the filtering and adsorbing unit 15 to release the CO2 in the filtering and adsorbing unit 15. The air heating unit 14 may employ an electric air heating device commonly used in the field of air conditioners 21.
The air pressurization unit 12 is communicated to the filtering and adsorbing unit 15, and the air pressurization unit 12 is used for increasing the static pressure of the air entering the filtering and adsorbing unit 15; the air pressurizing unit 12 adopts a fan, common pressurizing equipment in industries such as a pressurizing pump and the like can be adopted, and the static pressure of the fan is more than or equal to the static pressure required by the self-cleaning filtering device, so that the air can smoothly pass through the filtering and adsorbing unit 15.
The rear end that filters adsorption unit 15's the end of giving vent to anger is connected to the switching unit, the switching unit is connected to and purifies out tuber pipe 16 and exhaust pipe 17, it is used for discharging the air after purifying to purify out tuber pipe 16, exhaust pipe 17 is used for discharging the CO2 that releases from filtering adsorption unit 15, and the switching unit is used for communicateing the end of giving vent to anger that filters adsorption unit 15 with purifying out tuber pipe 16 and exhaust pipe 17 one selection. The switching unit adopts two groups of regulating valves 18, the inlets of the two groups of regulating valves 18 are respectively connected to the filtering and adsorbing unit 15, and the outlets of the two groups of regulating valves 18 are respectively connected to the purified air outlet pipe 16 and the exhaust pipe 17.
The photocatalytic air purification unit 13 is used for removing TVOC (indoor organic gaseous substances) and bacteria before the air is discharged out of the purification air outlet pipe 16.
In this embodiment, the air inlet pipe 11, the air pressurizing unit 12, the photocatalytic air purifying unit 13, the air heating unit 14, and the filtering and adsorbing unit 15 are sequentially communicated.
The filtering and adsorbing unit 15, the air heating unit 14, the air pressurizing unit 12, and the photocatalytic air purifying unit 13 may be integrally built in an outer housing, and hung or otherwise installed in an indoor environment.
As shown in figure 1, the energy-saving purification device is connected into the air conditioning system in such a way that the inlet end of the filtration and adsorption unit 15 is communicated to the indoor air return pipe 22 of the air conditioner 21 through the air inlet pipe 11, the outlet end of the purified air outlet pipe 16 is communicated to the indoor air return pipe 22 of the air conditioner 21, the indoor air return pipe 22 is provided with an air return pipe stop valve 23, and when the energy-saving purification device is operated, the air return pipe stop valve 23 is closed, so that indoor air enters the energy-saving purification device through the air inlet pipe 11.
In order to realize the quality detection of the air, an intake air detection unit 31 and an outlet air detection unit 32 are further provided, the intake air detection unit 31 is used for detecting the air entering the indoor return air duct 22 or the air inlet duct 11, and the intake air detection unit 31 includes any one or a combination of more of a CO2 sensor, a TVOC sensor, a temperature sensor, a humidity sensor, a static pressure sensor and an air speed sensor. In this embodiment, the intake air detecting unit 31 is installed on the indoor return air duct 22; the outlet air detection unit 32 is used for detecting the air discharged by the energy-saving purification device, and the outlet air detection unit 32 includes any one or a combination of more of a CO2 sensor, a TVOC sensor, a temperature sensor, a humidity sensor, a static pressure sensor and a wind speed sensor. In this embodiment, the outlet air detecting unit 32 is installed on the purified air outlet pipe 16.
During the working process, the energy-saving purification device is switched between a purification energy-saving mode and a self-cleaning mode when in work, so as to maintain the carbon dioxide absorption capacity of the energy-saving purification device.
In the purification energy-saving mode: after the indoor air enters the filtering and adsorbing unit 15 and is absorbed with CO2, the indoor air enters the air conditioning system through the purifying air outlet pipe 16, in the process, the air heating unit 14 does not work and the exhaust pipe 17 is in a shutdown state, and when the indoor air enters the purifying energy-saving mode, the fresh air intake quantity of the air conditioner 21 is reduced or shut down through the adjusting valve 18 on the fresh air pipe 24.
In the self-cleaning mode: the indoor air enters the air heating unit 14 to be heated and then enters the filtering and adsorbing unit 15, the filtering and adsorbing unit 15 releases CO2 after being heated by the hot air, and the hot air is exhausted out of the outdoor space through the exhaust duct 17, and the purifying exhaust duct 16 is in a closed state in the process. When entering the self-cleaning mode, the photocatalytic air purification unit 13 should be in a shutdown state.
The control modules connected with the various electric control components (such as the air heating unit 14, the air pressurization unit 12, the switching unit and the pipeline valve) and the sensor can be provided with a wireless module, and the wireless module sends the operation data to the cloud server in real time, and the wireless transmission form of the wireless module includes, but is not limited to, Zigbee, Bluetooth, Lora, 4G, 5G and the like, so that the operation data can be transmitted to external equipment and controlled by a control instruction.
The above description in this specification is merely illustrative of the present invention. Various modifications, additions and substitutions may be made by those skilled in the art without departing from the scope of the invention as defined in the accompanying claims.
Claims (7)
1. The utility model provides an energy-conserving purifier based on inner loop which characterized in that: comprises that
A filtration and adsorption unit for adsorbing CO 2;
an air heating unit for heating air entering the filtering and adsorbing unit to release CO2 in the filtering and adsorbing unit;
the air pressurizing unit is communicated to the filtering and adsorbing unit and is used for increasing the static pressure of air entering the filtering and adsorbing unit;
the switching unit, the rear end that filters the end of giving vent to anger of absorption unit is connected to the switching unit, the switching unit is connected to and purifies tuber pipe and exhaust pipe, and the switching unit is used for communicateing to filtering the end of giving vent to anger of absorption unit with purifying out two alternatives of tuber pipe and exhaust pipe.
2. The energy-saving purification device according to claim 1, wherein: still include photocatalysis air purification unit, photocatalysis air purification unit is used for carrying out the getting rid of TVOC and bacterium before discharging the purification air outlet pipe to the air.
3. The energy-saving purification device according to claim 1, wherein: the air pressurization unit adopts a fan.
4. The energy-saving purification device according to claim 1, wherein: the switching unit adopts two sets of governing valves, and the import of two sets of governing valves is connected to respectively and filters the absorption unit, and the export of two sets of governing valves is connected to respectively and purifies tuber pipe and exhaust pipe.
5. The energy-saving purification device according to claim 1, wherein: the air pressurizing unit, the air heating unit and the filtering and adsorbing unit are communicated in sequence.
6. An air conditioning system characterized by: the energy-saving purification device comprises the energy-saving purification device as claimed in any one of claims 1 to 5, wherein the inlet end of the filtration adsorption unit is communicated to an indoor return air pipe of the air conditioner through an air inlet pipe, the outlet end of the purification air pipe is communicated to the indoor return air pipe of the air conditioner, a return air pipe stop valve is installed on the indoor return air pipe, and when the energy-saving purification device is operated, the return air pipe stop valve is closed, so that indoor air enters the energy-saving purification device through the air inlet pipe.
7. The air conditioning system of claim 6, wherein: the air conditioner also comprises an air inlet detection unit and an air outlet detection unit, wherein the air inlet detection unit is used for detecting air entering an indoor return air pipe or an air inlet pipe, and the air inlet detection unit comprises any one or combination of a CO2 sensor, a TVOC sensor, a temperature sensor, a humidity sensor, a static pressure sensor and a wind speed sensor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021122196.9U CN212644767U (en) | 2020-06-16 | 2020-06-16 | Energy-saving purification device based on internal circulation and air conditioning system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021122196.9U CN212644767U (en) | 2020-06-16 | 2020-06-16 | Energy-saving purification device based on internal circulation and air conditioning system |
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| Publication Number | Publication Date |
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| CN212644767U true CN212644767U (en) | 2021-03-02 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202021122196.9U Active CN212644767U (en) | 2020-06-16 | 2020-06-16 | Energy-saving purification device based on internal circulation and air conditioning system |
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| CN (1) | CN212644767U (en) |
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- 2020-06-16 CN CN202021122196.9U patent/CN212644767U/en active Active
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