CN211233101U - Temperature control fresh air system - Google Patents

Temperature control fresh air system Download PDF

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Publication number
CN211233101U
CN211233101U CN202020712040.XU CN202020712040U CN211233101U CN 211233101 U CN211233101 U CN 211233101U CN 202020712040 U CN202020712040 U CN 202020712040U CN 211233101 U CN211233101 U CN 211233101U
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fresh air
heating coil
electric heating
channel
filter
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黄晓智
刘宁
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Beijing Jinmao Human Settlements Technology Co ltd
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Beijing Jinmao Human Settlements Technology Co ltd
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Abstract

The utility model discloses a temperature control fresh air system, which is used for removing fine particulate matters in air and comprises a system main body and a PLC controller; two fresh air channels are formed in the system main body, and the system also comprises an electric heating assembly which comprises a first electric heating coil and a second electric heating coil; the power of the first electrical heating coil is greater than the power of the second electrical heating coil. The utility model discloses an inside two new trend wind channels that are formed with of system, and the integration has the electric heating coil of two sets of different powers, according to the outdoor temperature condition, switch the intercommunication state in two new trend wind channels through the PLC controller, so that can select the electric heating coil of suitable power to preheat the outdoor air, the design can avoid using the energy waste that high-power electric heating coil caused for a long time like this, also can avoid the preheating process requirement that low-power electric heating coil can't satisfy lower temperature air, the work burden of air conditioner has been reduced, the energy has been practiced thrift.

Description

Temperature control fresh air system
Technical Field
The utility model relates to a warm logical technical field of system especially relates to a control by temperature change new trend system.
Background
The life time of people in the room is a great part of life, so the influence of indoor air quality on human health is particularly important. When haze weather occurs, people often choose to close doors and windows and leave them indoors. However. The interior of a building is not a safe wind port avoiding PM2.5 completely, and outdoor PM2.5 can enter the interior of the building through an air conditioner ventilation system, a building envelope gap and the like; meanwhile, organic pollutants such as indoor formaldehyde, VOCS and the like also have great influence on human health.
People can generally close doors and windows when using the split type air conditioner, the indoor air quality can become very poor after a period of time, and people can possibly cause certain harm to human health when being in the environment for a long time. Therefore, the consideration is that the indoor dirty air can be purified or outdoor fresh air can be introduced when the air conditioner is started, but the outdoor air cannot be directly introduced indoors due to the influence of haze, and the outdoor air needs to be purified and then introduced indoors.
The Chinese invention patent application with publication number CN107131557A and application number 201710315502.7 in the prior art, which is named as 'a household split air conditioner with fresh air purification module' discloses an air conditioner with a fresh air module, which can switch fresh air channels in response to changes of external environment, but through careful research, the application technology can only switch the air channels aiming at outdoor haze or dust, but if the outdoor air temperature is lower, the fresh air introduced through the system can reduce the indoor temperature and cause the user to feel uncomfortable, meanwhile, the cold air with lower temperature can also increase the workload of the air conditioner connected with the system, thereby greatly wasting energy and prolonging the service life of the air conditioner.
Based on the technical problem, the technical staff in the field need to develop a temperature control fresh air system which can not only remove fine particulate matters in the air, but also preheat the air by aiming at the outdoor cold air, reduces the workload of the air conditioner connected with the air conditioner by preheating the external air and saves energy.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing an get rid of the fine particle material in the air, and the integration has heating element in order to preheat outside cold air to reduce indoor air conditioner work load's control by temperature change new trend system.
In order to achieve the above object, the present invention provides the following technical solutions:
the utility model discloses a control by temperature change new trend system, this system includes:
a system main body;
a fresh air inlet pipe formed on the system main body and communicated with the outside;
a PLC controller is integrated in the system main body;
a fresh air duct is formed inside the system main body and is divided into two air ducts with different extension directions, namely a first fresh air duct and a second fresh air duct;
the system main body is provided with an air collecting cavity communicated with the first fresh air duct and the second fresh air duct;
the first fresh air channel and the second fresh air channel are both controlled by an electromagnetic valve to be communicated with the air collecting cavity;
the air collecting cavity is communicated with a fresh air discharge pipe extending to the outside of the system main body;
the system further comprises:
an electric heating assembly:
the electrical heating assembly comprises a first electrical heating coil and a second electrical heating coil;
the first electric heating coil is integrated in the first fresh air duct, and the second electric heating coil is integrated in the second fresh air duct; or
The first electric heating coil is integrated in the second fresh air duct, and the second electric heating coil is integrated in the first fresh air duct;
the first electric heating coil and the second electric heating coil are both electrically connected with the PLC so as to be controlled by the PLC;
the power of the first electric heating coil is greater than the power of the second electric heating coil.
Further, the system further comprises:
a filter assembly:
the filter assembly is divided into a first filter box and a second filter box;
an HEPA filter screen is embedded in the first filter box;
activated carbon particles are filled in the second filter box;
the first filter box is arranged in the first fresh air duct and/or the second fresh air duct;
the second filter cartridge is mounted to the fresh air discharge pipe.
Further, the first fresh air duct comprises a first channel extending to the lower part of the system main body along the horizontal direction, and a second channel communicated with the first channel, extending towards the air collecting cavity along the vertical direction and communicated with the air collecting cavity;
the first channel is communicated with the fresh air inlet pipe;
the first electric heating coil or the second electric heating coil is arranged in the first channel and depends on the fresh air inlet pipe;
the fresh air inlet pipe is provided with a first electromagnetic valve;
a second electromagnetic valve is arranged at one end of the first channel, which is close to the second channel;
the first electromagnetic valve and the second electromagnetic valve are electrically connected with the PLC controller to be controlled by the PLC controller.
Furthermore, when the first filter box is integrated in the first fresh air duct, the first filter box is embedded in the second channel.
Furthermore, the second fresh air duct comprises a third channel communicated with the fresh air inlet pipe and a fourth channel communicated with the third channel and the air collecting cavity;
the second electric heating coil or the first electric heating coil is arranged in the fourth channel and is close to the fresh air inlet pipe;
a third electromagnetic valve is arranged at one end, close to the fresh air inlet pipe, of the third channel;
the third electromagnetic valve is controlled by the PLC controller.
Furthermore, when the first filter box is integrated in the second fresh air duct, the first filter box is embedded in the fourth channel.
Further, the second filter cartridge comprises a cartridge body;
both ends of the box body are configured to be connecting ends with external threads, and the box body is in threaded connection with the fresh air discharge pipe;
the box body is internally provided with a grid plate;
a filling cavity is configured between the two grid plates which are arranged at intervals, and activated carbon particles are filled in the filling cavity;
the diameter of the meshes of the grid plate is smaller than the particle size of the activated carbon particles.
In the technical scheme, the utility model provides a pair of control by temperature change new trend system has following beneficial effect:
the utility model discloses can get rid of the fine particle material in the air, improve the air quality, and the inside two new trend wind channels that are formed with of system, and the integration has the electric heating coil of two sets of different powers, according to the outdoor temperature condition, switch the intercommunication state in two new trend wind channels through the PLC controller, so that can select the electric heating coil of suitable power to preheat the outdoor air, the design can avoid using the energy waste that high-power electric heating coil caused for a long time, also can avoid the preheating process requirement that low-power electric heating coil can't satisfy lower temperature air, the work burden of air conditioner is reduced, the energy has been practiced thrift.
The utility model discloses an inside integration of system has the filter cartridge, and the filter piece in the filter cartridge can select filtering wantonly as required filterable material's type, the utility model discloses a HEPA filter screen and active carbon particle are chooseed for use to the filter cartridge, can satisfy most new trend air's filtration requirement.
The utility model discloses a filter cartridge for active carbon granule is installed with the mode of new trend discharge pipe with threaded connection, has realized convenient dismouting, is convenient for change and later maintenance.
Drawings
In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings needed to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments described in the present invention, and other drawings can be obtained by those skilled in the art according to these drawings.
Fig. 1 is a first system flow chart of a temperature control fresh air system provided by an embodiment of the present invention;
fig. 2 is a system flow chart of a temperature control fresh air system provided by the embodiment of the present invention;
fig. 3 is a system flow chart of a temperature control fresh air system provided by the embodiment of the present invention;
fig. 4 is a schematic view of a connection structure between the second filter box and the fresh air discharge pipe of the temperature control fresh air system provided by the embodiment of the utility model.
Description of reference numerals:
1. a system main body; 2. a PLC controller;
101. a fresh air inlet pipe; 102. a fresh air discharge pipe;
301. a first solenoid valve; 302. a second solenoid valve; 303. a third electromagnetic valve;
401. a first channel; 402. a second channel; 403. a third channel; 404. a fourth channel; 405. a wind converging cavity;
501. a first filter cassette; 502. a second filter cassette;
601. a first electric heating coil; 602. a second electric heating coil;
50101. a HEPA filter screen;
50201. a connecting end; 50202. a grid plate; 50203. activated carbon particles.
Detailed Description
In order to make the technical solution of the present invention better understood by those skilled in the art, the present invention will be further described in detail with reference to the accompanying drawings.
As shown in fig. 1 to 4;
the utility model discloses a control by temperature change new trend system, this system includes:
a system main body 1;
a fresh air inlet pipe 101 formed in the system main body 1 and communicated with the outdoor;
a PLC (programmable logic controller) 2 is integrated in the system main body 1;
a fresh air duct is formed inside the system main body 1 and is divided into two air ducts with different extension directions, namely a first fresh air duct and a second fresh air duct;
the system main body 1 is provided with an air collecting cavity 405 communicated with a first fresh air duct and a second fresh air duct;
the first fresh air channel and the second fresh air channel are both controlled by an electromagnetic valve to be communicated with the air collecting cavity 405;
the air collection cavity 405 is communicated with a fresh air discharge pipe 102 extending to the outside of the system main body 1;
the system further comprises:
an electric heating assembly:
the electrical heating assembly comprises a first electrical heating coil 601 and a second electrical heating coil 602;
a first electric heating coil 601 is integrated in the first fresh air duct, and a second electric heating coil 602 is integrated in the second fresh air duct; or
A first electric heating coil 601 is integrated in the second fresh air duct, and a second electric heating coil 602 is integrated in the first fresh air duct;
the first electric heating coil 601 and the second electric heating coil 602 are both electrically connected with the PLC controller 2 to be controlled by the PLC controller 2;
the power of the first electrical heating coil 601 is greater than the power of the second electrical heating coil 602.
Specifically, this embodiment discloses a new trend system of jointly using with indoor air conditioner, and this new trend system is mainly with outdoor air drainage to air conditioner to replace the room air under the control by temperature change of air conditioner. And because outdoor ambient temperature is changeable, in chilly season, outside air temperature is lower, in order to reduce the heat exchange work burden of air conditioner, the inside integration of new trend system of this embodiment has electric heating element, and the heat exchange through electric heating element and external cold air is in order to preheat this part air, and the air after preheating just can reduce the work load of air conditioner after reentrant air conditioner, simultaneously, also can improve the work efficiency of air conditioner.
In addition, according to the preheating requirements of air with different outdoor temperatures, two fresh air channels are designed, and electric heating coils with different powers are integrated in the two independent fresh air channels, when the air conditioner works, if the outdoor temperature is very low (generally ranging from minus 20 ℃ to minus 40 ℃), the PLC controller 2 switches and selects the electric heating coil with larger power to work, and if the outdoor temperature is low (generally ranging from minus 0 ℃ to minus 20 ℃), the PLC controller 2 switches and selects the electric heating coil with lower power to work, so that the practicability of the fresh air system can be improved, and energy is saved.
Preferably, the system in this embodiment further includes:
a filter assembly:
the filter assembly is divided into a first filter box 501 and a second filter box 502;
an HEPA filter screen 50101 is embedded in the first filter box 501;
the second filter cartridge 502 is filled with activated carbon particles 50203;
the first filter box 501 is installed in the first fresh air duct and/or the second fresh air duct;
the second filter cassette 502 is mounted to the fresh air outlet duct 102.
In order to ensure that the quality of indoor air is not reduced after outdoor air is introduced indoors, a filter assembly needs to be integrated in a fresh air system, the filter assembly of the embodiment is divided into two types, one type is a HEPA filter screen 50101 structure used for filtering harmful particulate matters in the air, and the other type is active carbon particle 50203 filler capable of removing peculiar smell.
The HEPA filter screen 50101 in the embodiment is the best internationally recognized high-efficiency filter material, and HEPA is applied to nuclear energy research and protection at first and is widely applied to places requiring high cleanliness, such as precision laboratories, medicine production, atomic research and surgical operations. HEPA is formed by interweaving very fine organic fibers, has strong capture capacity on particles, small pore diameter, large adsorption capacity and high purification efficiency, and has water absorption, and the purification rate of the HEPA for particles with the particle size of 0.3 micron is 99.97%. That is to say: only 3 particles out of every 10000 particles can penetrate the HEPA filter membrane. Thus, its effect of filtering particulate matter is very significant! If the cigarette filter is used for filtering cigarettes, the filtering effect can almost reach 100 percent because the particle size in the cigarettes is between 0.5 and 2 microns and the particles cannot pass through a HEPA filter membrane. The main function is to filter the particles in the air.
Preferably, the first fresh air duct in this embodiment includes a first passage 401 extending to a lower portion of the system main body 1 in the horizontal direction, and a second passage 402 communicating with the first passage 401 and extending toward the air collecting chamber 405 in the vertical direction and communicating with the air collecting chamber 405;
the first channel 401 is communicated with the fresh air inlet pipe 101;
a first electric heating coil 601 or a second electric heating coil 602 is installed in the first channel 401 and enters the pipe 101 by fresh air;
the fresh air inlet pipe 101 is provided with a first electromagnetic valve 301;
a second electromagnetic valve 302 is arranged at one end of the first channel 401 close to the second channel 402;
the first electromagnetic valve 301 and the second electromagnetic valve 302 are both electrically connected with the PLC controller 2 to be controlled by the PLC controller 2.
In addition, when the first filter cassette 501 is integrated in the first fresh air duct, the first filter cassette 501 is fitted in the second duct 402.
Preferably, the second fresh air duct in this embodiment includes a third channel 403 communicated with the fresh air inlet pipe 101, and a fourth channel 404 communicated with both the third channel 403 and the air collecting cavity 405;
the second electric heating coil 602 or the first electric heating coil 601 is installed in the fourth channel 404 and close to the fresh air inlet pipe 101;
a third electromagnetic valve 303 is arranged at one end of the third channel 403 close to the fresh air inlet pipe 101;
the third electromagnetic valve 303 is controlled by the PLC controller 2.
When the first filter cassette 501 is integrated in the second fresh air duct, the first filter cassette 501 is embedded in the fourth channel 404.
The solenoid valve and the PLC controller 2 selected in the embodiment can be selected from the conventional specification and model of the air conditioner, and have no special requirements, so that the part is not further limited. In order to improve the preheating effect and the filtering effect, the integration position of the electric heating coil and the installation position of the first filter cartridge of the embodiment are defined in detail by the above structure. The integrated position of electric heating coil can guarantee in case the new trend is introduced, just can preheat, guarantees that the air in the whole new trend wind channel all is the temperature higher, and the mounted position of first filter cartridge 501 can filter the air after preheating, and structural design is comparatively reasonable.
Preferably, the second filter cassette 502 in this embodiment comprises a cassette body;
both ends of the box body are configured to be connecting ends 50201 with external threads, and the box body is in threaded connection with the fresh air discharge pipe 102;
the box body is internally provided with a grid plate 50202;
a filling cavity is arranged between the two grid plates 50202 which are arranged at intervals, and activated carbon particles 50203 are filled in the filling cavity;
the mesh diameter of the grid plate 50202 is smaller than the particle size of the activated carbon particles 50203.
The second filter cartridge 502 in this embodiment is detachably connected to the fresh air exhaust pipe 102, so as to facilitate later maintenance; meanwhile, as the extension, the second filter cassette 502 of this embodiment is fixedly installed with the fresh air exhaust pipe 102 in a threaded connection manner, and it can also be installed in a connection scheme of other fasteners, which is not described herein again.
In the technical scheme, the utility model provides a pair of control by temperature change new trend system has following beneficial effect:
the utility model discloses an inside two new trend wind channels that are formed with of system, and the integration has the electric heating coil of two sets of different powers, according to the outdoor temperature condition, through the intercommunication state that PLC controller 2 switches two new trend wind channels, so that can select the electric heating coil of suitable power to preheat the outdoor air, the design can avoid using the energy that high-power electric heating coil caused for a long time extravagant like this, also can avoid the preheating process requirement that low-power electric heating coil can't satisfy lower temperature air, the work burden of air conditioner has been reduced, the energy has been practiced thrift.
The utility model discloses an inside integration of system has the filter cartridge, and the type of the filterable material as required, the filtration piece in the filter cartridge can select to filter wantonly, the utility model discloses a HEPA filter screen 50101 and active carbon granule 50203 are chooseed for use to the filter cartridge, can satisfy the filtration requirement of most new trend air.
The utility model discloses an activated carbon granule 50203 is installed with the mode of threaded connection with filter cartridge and new trend discharge pipe 102, has realized convenient dismouting, is convenient for change and later maintenance.
While certain exemplary embodiments of the present invention have been described above by way of illustration only, it will be apparent to those of ordinary skill in the art that the described embodiments may be modified in various different ways without departing from the spirit and scope of the present invention. Accordingly, the drawings and description are illustrative in nature and should not be construed as limiting the scope of the invention.

Claims (7)

1. Control by temperature change new trend system, its characterized in that, this system includes:
a system main body (1);
a fresh air inlet pipe (101) formed on the system main body (1) and communicated with the outdoor;
a PLC (programmable logic controller) (2) is integrated in the system main body (1);
a fresh air duct is formed inside the system main body (1), and is divided into two air ducts with different extension directions, namely a first fresh air duct and a second fresh air duct;
the system main body (1) is provided with an air collecting cavity (405) which is communicated with the first fresh air duct and the second fresh air duct;
the first fresh air channel and the second fresh air channel are both controlled by an electromagnetic valve to be communicated with the air collection cavity (405);
the air collection cavity (405) is communicated with a fresh air discharge pipe (102) extending to the outside of the system main body (1);
the system further comprises:
an electrical heating assembly;
the electrical heating assembly comprises a first electrical heating coil (601) and a second electrical heating coil (602);
the first electric heating coil (601) is integrated in the first fresh air duct and the second electric heating coil (602) is integrated in the second fresh air duct; or
The first electric heating coil (601) is integrated in the second fresh air duct, and the second electric heating coil (602) is integrated in the first fresh air duct;
the first electric heating coil (601) and the second electric heating coil (602) are both electrically connected with the PLC controller (2) so as to be controlled by the PLC controller (2);
the power of the first electric heating coil (601) is greater than the power of the second electric heating coil (602).
2. The temperature-controlled fresh air system according to claim 1, further comprising:
a filter assembly:
the filter assembly is divided into a first filter box (501) and a second filter box (502);
an HEPA filter screen (50101) is embedded in the first filter box (501);
the second filter box (502) is filled with activated carbon particles (50203);
the first filter box (501) is arranged in the first fresh air duct and/or the second fresh air duct;
the second filter cartridge (502) is mounted to the fresh air outlet duct (102).
3. The temperature-controlled fresh air system according to claim 2, wherein the first fresh air duct comprises a first channel (401) extending to a lower portion of the system main body (1) in a horizontal direction, and a second channel (402) communicating with the first channel (401) and extending toward the air-collecting chamber (405) in a vertical direction and communicating with the air-collecting chamber (405);
the first channel (401) is communicated with the fresh air inlet pipe (101);
the first electric heating coil (601) or the second electric heating coil (602) is arranged in the first channel (401) and depends on the fresh air inlet pipe (101);
the fresh air inlet pipe (101) is provided with a first electromagnetic valve (301);
a second electromagnetic valve (302) is arranged at one end, close to the second channel (402), of the first channel (401);
the first electromagnetic valve (301) and the second electromagnetic valve (302) are electrically connected with the PLC controller (2) to be controlled by the PLC controller (2).
4. The temperature-controlled fresh air system according to claim 3, wherein when the first filter cassette (501) is integrated in the first fresh air duct, the first filter cassette (501) is embedded in the second duct (402).
5. The temperature-controlled fresh air system according to claim 2, wherein the second fresh air duct comprises a third channel (403) communicated with the fresh air inlet pipe (101), and a fourth channel (404) communicated with both the third channel (403) and the air collecting chamber (405);
the second electric heating coil (602) or the first electric heating coil (601) is installed in the fourth channel (404) and close to the fresh air inlet pipe (101);
a third electromagnetic valve (303) is arranged at one end, close to the fresh air inlet pipe (101), of the third channel (403);
the third electromagnetic valve (303) is controlled by the PLC controller (2).
6. The temperature-controlled fresh air system according to claim 5, wherein when the first filter cassette (501) is integrated in the second fresh air duct, the first filter cassette (501) is embedded in the fourth channel (404).
7. The temperature controlled fresh air system of claim 2, wherein the second filter cassette (502) comprises a cassette body;
both ends of the box body are configured to be connecting ends (50201) with external threads, and the box body is in threaded connection with the fresh air discharge pipe (102);
the box body is internally provided with a grid plate (50202);
two grid plates (50202) arranged at intervals are configured to be filling cavities, and activated carbon particles (50203) are filled in the filling cavities;
the mesh diameter of the grid plate (50202) is smaller than the particle size of the activated carbon particles (50203).
CN202020712040.XU 2020-04-30 2020-04-30 Temperature control fresh air system Active CN211233101U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202020712040.XU CN211233101U (en) 2020-04-30 2020-04-30 Temperature control fresh air system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202020712040.XU CN211233101U (en) 2020-04-30 2020-04-30 Temperature control fresh air system

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CN211233101U true CN211233101U (en) 2020-08-11

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2022068576A1 (en) * 2021-02-10 2022-04-07 青岛海尔空调器有限总公司 Air conditioning indoor unit, and fresh air ventilation module thereof
WO2022068577A1 (en) * 2021-02-10 2022-04-07 青岛海尔空调器有限总公司 Air conditioning indoor unit, and fresh air ventilation module thereof

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2022068576A1 (en) * 2021-02-10 2022-04-07 青岛海尔空调器有限总公司 Air conditioning indoor unit, and fresh air ventilation module thereof
WO2022068577A1 (en) * 2021-02-10 2022-04-07 青岛海尔空调器有限总公司 Air conditioning indoor unit, and fresh air ventilation module thereof

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