CN1206482C - Energy saving fresh air exchanger - Google Patents
Energy saving fresh air exchanger Download PDFInfo
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- CN1206482C CN1206482C CN 03123754 CN03123754A CN1206482C CN 1206482 C CN1206482 C CN 1206482C CN 03123754 CN03123754 CN 03123754 CN 03123754 A CN03123754 A CN 03123754A CN 1206482 C CN1206482 C CN 1206482C
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Abstract
The present invention relates to an energy saving fresh air exchanger. A rotating core barrel is arranged in a machine shell, and the inner wall of the barrel of the rotating core barrel is fixedly connected with the surface of an outer rotor of a motor. A fixing shaft of the motor supports on both ends of the machine shell, and a centrifugal impeller is fixed on the outer wall of the barrel of both ends of the rotating core barrel. A filtering device is arranged at an air inlet of the centrifugal impeller, and the rotating core barrel is a metal barrel. Radial and axial metal thin wall air channels are uniformly separated and fixedly connected to the outer wall of the rotating core barrel along a circle of the circumference. Two contiguous air channels are respectively an air channel for old air and an air channel for fresh air, wherein both ends of the air channel for old air are respectively communicated with an air inlet for old air and an air outlet for old air of the centrifugal impeller, and both ends of the air channel for fresh air are respectively communicated with an air inlet for fresh air and an air outlet for fresh air of the centrifugal impeller. In addition, the centrifugal impeller is composed of metal blades in the shape of curved channels and in a centripetal mode, the inner end of the metal blade in the shape of a curved channel is respectively engaged with both ends of the air channel for old air and the air channel for fresh air, and the outer end of the metal blade in the shape of a curved channel is fixedly connected to an end disk of the rotating core barrel. The present invention has the characteristics of energy saving, noise reduction, high heat exchange efficiency, low power of a complete machine, large air quantity and long service life.
Description
Technical field
The present invention relates to a kind of room ventilation air regenerating device.
Background technology
Existing room ventilation ventilator mainly is made up of heat exchanger and centrifugal fan radially.Casing is built-in with the rotation core tube that two ends connect centrifugal impeller, and the tube inwall is fixedlyed connected with the outer rotor surface of motor, and motor fixing shaft is supported on the casing two ends, and centrifugal impeller one end has air inlet, and the other end has air outlet, is equipped with filter between air inlet and casing.Rotation core tube and centrifugal impeller by the outer rotor motor driven heat exchanger rotate simultaneously, make during heat exchanger is kept in motion, and strengthen the mixing of fluid, realize heat exchange and ventilation function.This obviously effectiveness of heat exchanger is higher than traditional heat exchanger, but has following defective: (1), centrifugal impeller partly adopt the engineering plastics injection molded.Because the demolding structure and the technology of injection mold are limit, the width of blade has only 40～50mm, can only improve ventilation by adopting the method that strengthens impeller diameter.But after impeller diameter strengthened, the operation noise of ventilator increased.(2), rotation core tube adopts the engineering plastics injection molded.In use, especially in the higher area of outdoor temperature in summer, its motor radiating effect is bad.Cause problems such as the temperature distortion of core tube, dynamic balancing are damaged, amount of unbalance increase, thereby mechanical oscillation increasing, noise increase, have a strong impact on machine service life, and summer stream time can not be long.(3), because rotation core tube and centrifugal impeller are all used engineering plastics, the core tube is with after motor is connected, its rotating part constitutes a flexible rotary body owing to the material self reason.The computing ballance correction of whole rotary body is difficult for solving, and all is subjected to very big influence in the vibration of complete machine and service life.(4), existing ventilator casing can only be installed on the window, can influence indoor daylighting and indoor attractive in appearance like this, and can not use curtain.Use in the normal domestic dwelling house is restricted.
Summary of the invention
The present invention to provide a kind of efficient more, reliably, Energy-saving fresh air ventilator with bidirectional ventilated ventilation and exchange heat function, solve mechanical oscillation, running noises is big, big energy-consuming, the problem that service life is short, efficient has much room for improvement; Solve also that organic type is installed on the window, influence indoor daylighting and indoor attractive in appearance, the technical problem that can not use curtain, the use in the normal domestic dwelling house to be restricted.
The technical scheme of Energy-saving fresh air ventilator of the present invention: casing is built-in with the tube inwall that two ends connect the rotation core tube of centrifugal impeller and fixedlys connected with the outer rotor surface of motor, motor fixing shaft is supported on the casing two ends, centrifugal impeller is fixed on rotation core tube two ends drum outer wall, the air inlet place of centrifugal impeller is equipped with filter, it is characterized in that: rotation core tube is a metal cylinder, its rotation core drum outer wall upper edge circumference one circle is evenly separated, and be fixedly connected with radial axial metal thin-wall air channel, adjacent two air channels are respectively old wind air channel and new wind air channel, two ends, old wind air channel are communicated with the old wind air inlet and the old wind air outlet of centrifugal impeller respectively, new two ends, wind air channel are communicated with the new wind air inlet and the new wind air outlet of centrifugal impeller respectively, centrifugal impeller entad evenly is formed by connecting by bend shape metal blade, the inner of bend shape metal blade and old wind air channel and the snap-in respectively of new two ends, wind air channel, fixedly connected with the end plate of rotation core tube in its outer end.
Above-mentioned centrifugal impeller is inner fixedlys connected with the counterweight ring, is embedded with the rubber retainer ring between rotation core tube and the centrifugal impeller.
Above-mentioned old wind air inlet and the new wind air inlet 360/n degree that interlaces, n is a metal thin-wall air channel number.
Above-mentioned metal thin-wall air channel is that wall thickness is aluminium foil or the Copper Foil of 0.05～0.1mm, closely swathes one deck single face and contain the glue plastic colloidal cloth outside the metal thin-wall air channel, swathes one deck nylon cloth on adhesive plaster again.
The outer wall in above-mentioned metal thin-wall air channel is plane or corrugated surface.
The thickness of above-mentioned bend shape metal blade is 0.25～0.5mm.
The flexible non-return shock-absorbing sleeve of cover on the above-mentioned motor fixing shaft.
The air inlet of above-mentioned indoor or outdoors homonymy and air outlet lay respectively at rotation core tube two ends axially or radially, outdoor air inlet and outdoor air outlet, indoor air inlet and indoor air outlet lay respectively on the same plane.
Sealing and fixing around four jiaos of elasticity turnup structures of above-mentioned filter bag, its edge and casing.
Beneficial effect: the present invention utilizes centrifugal fan impeller air inlet through hollow shaft, radially air-out principle, utilize the air intake passage that extends to connect rotation core tube, and the fluid in adjacent two air channels is a reverse movement, and rotation core tube and receded disk impeller link together and rotate at a high speed.Rotation core tube diameter makes the air in the rotation core tube obtain energy in impeller, discharge at a high speed less than the centrifugal fan impeller diameter, forms bigger negative pressure in rotation core tube, has improved the flow velocity of air in air intake passage.When air-flow is done axially-movable along rotation core tube, radial motion occurs because of rotation core tube rotates under the centrifugal action that produces again, destroy gas blanket stream mode in the passage effectively.Gas normal impact core tube barrel destroys the stationary point on the rotation core barrel, makes gas fully collide, contact with rotation core tube barrel, has improved heat exchanger effectiveness greatly.Characteristics such as the present invention has following energy-saving and noise-reducing, heat exchange efficiency height, complete machine power is low, air quantity is big, the life-span is long:
1, rotation core tube adopts sheet metal to be rolled into cylinder, directly rivets with the rotor of external rotor electric machine.The outer rotor surface of motor fully contacts with rotation core tube, gets rid of the heat that motor produces effectively, improves the ability that works long hours and the working life of motor.Rotation core tube is connected with chassis bracket by elasticity non-return shock-absorbing sleeve, make the core tube between getting final product for unsteady connection status.Elasticity non-return shock-absorbing sleeve has axial limiting simultaneously and prevents and reduces noise of equipment, vibration effectively because of the reverse rotation function of the core tube drive motors fixed axis that countertorque causes when starting.
2, use the cold-reduced sheet of δ=0.25～0.5mm to process the metal blade that leans forward, not only can be fit to the air quantity requirement, the outer overbottom pressure of the machine that strengthens simultaneously satisfies user's needs.All metal blades are connected with end plate, the weldering of counterweight circling point, form centrifugal impeller.Rotation core tube and centrifugal impeller snap-in, and adopt retainer ring to be connected and fixed.The new wind air inlet of two ends centrifugal impeller and the old wind air inlet 360/n degree that interlaces, the air inlet of one end constitutes path by metal thin-wall air channel and other end centrifugal impeller air outlet, make the movement integral rigidity good, unbalancing value has reduced by 80%, move more steady, energy-saving and noise-reducing, significantly improve service life.Adopted wide type metal blade, width of blade has been improved more than the twice than the width of blade of original technology.Under the prerequisite that does not reduce heat exchanger effectiveness and resh air requirement, impeller diameter can reduce 20%, noise is following reduces about 10%.Because reducing of impeller diameter can reduce the air outlet dynamic pressure, reduce the air outlet wind speed, can satisfy the requirement of people better to the ventilation comfortableness.
3, the radial arrangement mode is pressed in n metal thin-wall air channel, entad fixedly connected inlet and outlet and metal blade snap-in with rotation core tube.And outside the air channel, closely swathe one deck single face and contain the glue plastic colloidal cloth, both its objective is to compress, cement aluminium matter air channel, and formed the passage of isolating mutually.And make in the air channel and be isolated from the outside.On this layer adhesive plaster, swathe one deck nylon cloth again, swathe the intensity of layer, guarantee that movement is reliable in the process safe that runs up with increase.It is old wind air channel and outdoor fresh air air channel that the metal thin-wall air channel of rotation core tube adopts the mode that is spaced, adjacent two air channels to be respectively indoor foul atmosphere air channel, it is new wind air channel, and link to each other with the centrifugal impeller air inlet at two ends respectively, form hybrid blower fan, the ventilation of realization two-way simultaneous, get rid of indoor harmful gas, to indoor 100% the fresh air that provides.It is the aluminium foil of 0.05～0.1mm that thickness has been adopted in the metal thin-wall air channel, uses the gear rolling forming.Improved heat exchanger effectiveness greatly.
4, indoor and outdoor designs respectively at grade into and out of the air port, does not influence indoor daylighting and indoor attractive in appearance, can use curtain in the normal domestic dwelling house, and is easy for installation.
5, four jiaos of filter bags are adopted the elasticity turnup structure, be installed on the isolation mount after, form two sealing surfaces on the support both sides, between filter and casing, form sealing reliably.Filter is convenient to install and is cleaned, and has stopped that original product filter is poorly sealed, filter efficiency is not high and the disadvantage of cleaned and changed inconvenience.
The present invention can be widely used in and variously need working power that the house is carried out the indoor and outdoor air exchange, and keeps the constant substantially place of indoor temperature.Comprise the guest room in hospital ward, laboratory, office, machine room, hotel and the house of the high-quality air of all needs, also can be used for family certainly.
Description of drawings
Fig. 1 is the structural representation of Energy-saving fresh air ventilator of the present invention;
Fig. 2 is the right view of Fig. 1.
Fig. 3 is a rotation core-tube structure schematic diagram;
Fig. 4 is an end plate shape schematic diagram;
Fig. 5 is a bend shape metal blade outline drawing;
Fig. 6 is end plate, bend shape metal blade and metal thin-wall air channel snap-in schematic diagram;
Fig. 7 is the filter apparatus configuration schematic diagram.
The specific embodiment
Embodiment as shown in Figure 1, 2, the casing 1 of Energy-saving fresh air ventilator is built-in with rotation core tube 3, the tube inwall of its rotation core tube is fixedlyed connected with the outer rotor surface of motor 4, and motor fixing shaft is supported on the casing two ends, the flexible non-return shock-absorbing sleeve 6 of cover on the motor fixing shaft.Centrifugal impeller is fixed on rotation core tube two ends drum outer wall, and rotation core tube 3 is fixed an end plate retainer ring 5 with end plate 14 junctions.Centrifugal impeller is inner fixedlys connected with counterweight ring 15, is embedded with rubber retainer ring 16 between rotation core tube and the centrifugal impeller.
As shown in Figure 3, rotation core tube 3 is metal cylinder, radial axial metal thin-wall air channel 17 is evenly separated, is fixedly connected with to its rotation core drum outer wall upper edge circumference one circle, the metal thin-wall air channel is that wall thickness is the aluminium foil or the Copper Foil of 0.05～0.1mm plane or corrugated surface, outside the metal thin-wall air channel, closely swathe one deck single face and contain glue plastic colloidal cloth 20, on adhesive plaster, swathe one deck nylon cloth 21 again, in metal thin-wall air channel and gap that rotation core tube is connected, be equipped with sponge 24, with the minimizing vibration noise.As shown in Figure 4, adjacent two air channels are respectively old wind air channel 23 and new wind air channel 22.Two ends, old wind air channel are communicated with the old wind air inlet 8 and the old wind air outlet 9 of centrifugal impeller respectively, new two ends, wind air channel are communicated with the new wind air inlet 10 and the new wind air outlet 11 of centrifugal impeller respectively, old wind air inlet and the new wind air inlet 360/n degree that interlaces, n is a metal thin-wall air channel number.The air inlet of indoor or outdoors homonymy and air outlet lay respectively at rotation core tube two ends axially or radially, outdoor air inlet and outdoor air outlet, indoor air inlet and indoor air outlet lay respectively on the same plane.
Shown in Fig. 5,6, centrifugal impeller entad evenly is formed by connecting by bend shape metal blade 12, the double hook shape snap-in 13 respectively of the inner of bend shape metal blade and old wind air channel and new two ends, wind air channel, and its outer end is connected 18 with end plate 14 spot welding of rotation core tube.The thickness of bend shape metal blade is 0.25～0.5mm.
As shown in Figure 7, the air inlet place of centrifugal impeller is equipped with filter 7, four jiaos of elasticity turnup structures of filter bag, sealing and fixing around its edge embedding support 19 and the casing.
Claims (6)
1, a kind of Energy-saving fresh air ventilator, casing is built-in with the rotation core tube that two ends connect centrifugal impeller, the tube inwall of its rotation core tube is fixedlyed connected with the outer rotor surface of motor, motor fixing shaft is supported on the casing two ends, centrifugal impeller is fixed on rotation core tube two ends drum outer wall, the air inlet place of centrifugal impeller is equipped with filter, it is characterized in that: rotation core tube is a metal cylinder, its rotation core drum outer wall upper edge circumference one circle is evenly separated, and be fixedly connected with radial axial metal thin-wall air channel, adjacent two air channels are respectively old wind air channel and new wind air channel, two ends, old wind air channel are communicated with the old wind air inlet and the old wind air outlet of centrifugal impeller respectively, new two ends, wind air channel are communicated with the new wind air inlet and the new wind air outlet of centrifugal impeller respectively, centrifugal impeller entad evenly is formed by connecting by bend shape metal blade, the inner of bend shape metal blade and old wind air channel and the snap-in respectively of new two ends, wind air channel, fixedly connected with the end plate of rotation core tube in its outer end;
Above-mentioned centrifugal impeller is inner fixedlys connected with the counterweight ring, is embedded with the rubber retainer ring between rotation core tube and the centrifugal impeller;
Above-mentioned old wind air inlet and the new wind air inlet 360/n degree that interlaces, n is a metal thin-wall air channel number;
Above-mentioned metal thin-wall air channel is that wall thickness is aluminium foil or the Copper Foil of 0.05～0.1mm, closely swathes one deck single face and contain the glue plastic colloidal cloth outside the metal thin-wall air channel, swathes one deck nylon cloth on adhesive plaster again.
2, Energy-saving fresh air ventilator according to claim 1 is characterized in that: the outer wall in described metal thin-wall air channel is plane or corrugated surface.
3, Energy-saving fresh air ventilator according to claim 1 is characterized in that: the thickness of described bend shape metal blade is 0.25～0.5mm.
4, Energy-saving fresh air ventilator according to claim 1 is characterized in that: the flexible non-return shock-absorbing sleeve of cover on the described motor fixing shaft.
5, Energy-saving fresh air ventilator according to claim 1, it is characterized in that: the air inlet of described indoor or outdoors homonymy and air outlet lay respectively at rotation core tube two ends axially or radially, outdoor air inlet and outdoor air outlet, indoor air inlet and indoor air outlet lay respectively on the same plane.
6, Energy-saving fresh air ventilator according to claim 1 is characterized in that: sealing and fixing around four jiaos of elasticity turnup structures of described filter bag, its edge and casing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 03123754 CN1206482C (en) | 2003-05-22 | 2003-05-22 | Energy saving fresh air exchanger |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 03123754 CN1206482C (en) | 2003-05-22 | 2003-05-22 | Energy saving fresh air exchanger |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1458474A CN1458474A (en) | 2003-11-26 |
| CN1206482C true CN1206482C (en) | 2005-06-15 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 03123754 Expired - Fee Related CN1206482C (en) | 2003-05-22 | 2003-05-22 | Energy saving fresh air exchanger |
Country Status (1)
| Country | Link |
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| CN (1) | CN1206482C (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108518789A (en) * | 2018-03-23 | 2018-09-11 | 上海交通大学 | Heat-exchange device with purification and anti-dewing function |
| CN109442686A (en) * | 2018-11-16 | 2019-03-08 | 张晨晨 | A kind of intelligent air purification device and its working method for hospital ward |
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2003
- 2003-05-22 CN CN 03123754 patent/CN1206482C/en not_active Expired - Fee Related
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| Publication number | Publication date |
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| CN1458474A (en) | 2003-11-26 |
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Granted publication date: 20050615 Termination date: 20140522 |