CN2182382Y - Secondary flow efficient heat-exchange bidirectional rebreather - Google Patents
Secondary flow efficient heat-exchange bidirectional rebreather Download PDFInfo
- Publication number
- CN2182382Y CN2182382Y CN 93208960 CN93208960U CN2182382Y CN 2182382 Y CN2182382 Y CN 2182382Y CN 93208960 CN93208960 CN 93208960 CN 93208960 U CN93208960 U CN 93208960U CN 2182382 Y CN2182382 Y CN 2182382Y
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- heat exchanger
- passage
- impeller
- passage wheel
- receded disk
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Abstract
The utility model discloses a secondary flow efficient heat-exchange bidirectional ventilating device, which can carry out the two-way simultaneous ventilation and can keep indoor temperature. In the utility model, a passage wheel heat exchanger composed of two groups of centrifugal blowers and heat exchangers are installed in a machine housing, the secondary flow of the air flow in the passage of the heat exchanger can be realized by the centrifugal force generated by the passage wheel heat exchanger and the axial force caused by negative pressure generated by centrifugal blower impellers on both ends; the efficiency of the heat exchange can be effectively improved, the energy can saved, the two-way ventilation can be realized, and the problem of the indoor environmental pollution can be solved.
Description
The utility model relates to a kind of new indoor heat preservation aeration device, and can be widely used in variously needs working power that the house is carried out the indoor and outdoor air exchange and make the place of indoor heat insulating.
" dynamic inertia driven heat exchanger " that in CN90104278.1 and 91232936.2 patent documentations, is proposed, mainly form by heat exchanger and centrifugal fan radially, and the interchanger diameter equals impeller diameter, and utilizes the air inlet passage as the exhaust outlet blade.Rotate simultaneously by outer rotor motor driven heat exchanger and impeller, make during heat exchanger passages is kept in motion, the method that provides a kind of novel reinforcement fluid to mix realizes efficient heat exchange and bidirectional ventilated function.This obviously effectiveness of heat exchanger is higher than traditional heat exchanger.
But, because the interchanger diameter equals impeller diameter, when so the air that accumulates in channel roof that is caused by centrifugal force is discharged by impeller outlet (because of impeller eye place speed exit velocity no better than), the energy that obtains is very little, make the aerodynamic energy of discharge little, easily cause path short circuit, the new wind rate that reduces ventilator and heat exchanger effectiveness to reduce.Again because of its blade wheel structure shown in Figure 11,12, blade construction is extremely unreasonable, causes that air quantity reduces, noise increases, fan efficiency reduces.
It is not enough and a kind of novel secondary that propose flows efficient heat exchange two-way ventilation machine that the purpose of this utility model is to overcome prior art.This device is made up of passage wheel heat exchanger, receded disk impeller, filter, timing arrangements for speed regulation etc., has improved heat exchanger effectiveness and has changed air quantity, and blower fan outlet dynamic pressure is increased, and improves the new wind rate in room.
The purpose of this utility model is achieved in that in casing passage wheel heat exchanger and receded disk impeller are installed on the rotor of external rotor electric machine, form the core that secondary flows efficient heat exchange two-way ventilation machine.Motor shaft is fixedly on the chassis bracket, motor is by the electric control gear control that is installed on the panel, rotate at a high speed by passage wheel heat exchanger, the air that quickens to discharge from the receded disk impeller of indoor, the outdoor air inlet inhaled air of ventilator through passage wheel heat exchanger air flow channel and two ends is discharged to outdoor, indoor respectively by spiral case and indoor, outdoor air outlet, and realizes heat exchange simultaneously.
The major technique measure that the utility model is taked is: passage wheel heat exchanger diameter is less than the centrifugal fan impeller diameter, making air in the passage wheel obtain energy in impeller discharges at a high speed, in passage wheel heat exchanger, form bigger negative pressure, improved the flow velocity of air in heat exchanger channel.Because passage wheel heat exchanger is by being made up of the heat exchange effect material, and the relative casing of passage wheel heat exchanger rotates at a high speed, air-flow is when the suction function lower edge passage wheel heat exchanger that is produced by centrifugal fan impeller is done axially-movable, radial motion occurs because of the passage wheel rotates under the centrifugal action that produces again, form secondary stream.Gas is normal impact heat exchanger wall under centrifugal action, destroys the boundary layer flow of gas axially-movable, and gas and heat exchanger wall are fully collided, and has improved the heat exchanger effectiveness of heat exchanger greatly.
Passage of the present utility model wheel heat exchanger is made up of by slotting being bonded on core tube and the draught fan impeller of arrangement mode entad n ∩ shape or 1 font profile of tooth heat-conducting plate, sees Fig. 3.Outside ∩ shape or 1 font heat-conducting plate, swathe the last layer nylon cloth and be coated with the last layer colloid, both compressed and cemented heat-conducting plate, passage is isolated from the outside, between two groups of ∩ shapes or 1 font heat-conducting plate, form passage again.The passage of passage wheel heat exchanger adopts and is spaced mode, adjacent two passages are respectively indoor foul atmosphere and outdoor fresh air passage, and link with receded disk impeller outlet and inlet passage respectively, form hybrid blower fan, realize the two-way simultaneous ventilation, indoor 100% the fresh air that provides is provided.
The measure of the utility model major technique also has: do not utilize the air inlet passage as the centrifugal fan blade, but airfoil blade Fig. 6 or bent plate shape blade Fig. 5 are housed on the impeller end plate, and blade one end connects with air intake passage or with air intake passage one h distance is arranged, and blade and air intake passage are made up of two difform structures respectively.Billy is more reasonable as the blade wheel structure of the dynamic inertia driven heat exchanger of exhaust outlet blade with the air inlet passage.Owing to adopted airfoil or the curved shape blade of pulling, blower fan changes air quantity and has improved 30%～48%, and can reduce the wind noise of blower fan under the identical situation of impeller diameter, power of motor, has improved overall efficiency.
Major technique measure of the present utility model also comprises: having adopted thickness is Copper Foil or the aluminium foil of 0.3～0.5mm, use gear to be rolled into shape shown in Figure 9 or to curve ∩ shape shown in Figure 7, the air intake passage of one end and end plate is gluing to be connect, the other end and air-out passage are bonding, and allow the inner chamber of ∩ shape be outdoor fresh wind circulation, to improve heat insulation effect.
The mentioned efficient heat of secondary stream of the utility model hands over two-way ventilation machine to compare with the ventilator in the existing technology, has following technique effect:
1, owing to adopted airfoil or bent plate shape blade, and make passage wheel heat exchanger diameter less than impeller diameter, flow air obtains to quicken on impeller and discharge in passage, has increased the blower fan dynamic pressure, can improve indoor new wind rate.And can improve the blower fan negative pressure, improve filtration grade.Under the condition of identical impeller outer diameter, air quantity improves 30～48%, and noise reduces by 10%.
2, owing to dwindled the heat exchanger diameter, make the wind speed in the passage improve 1～3 times, can improve the normal impact number of times of air-flow and heat exchanger wall, form secondary stream and destroy boundary layer flow, improve the heat exchanger effectiveness that secondary flows efficient heat exchange two-way ventilation machine.By comparable conditions, heat exchanger effectiveness improves 63%.
3, under the condition of identical air quantity and heat exchanger effectiveness, the utility model is saved the heat exchange material and is reached more than 40%.
4, owing to adopted ∩ type ripple conducting strip, and be the fresh air air intake passage, improved the heat-insulating property of ventilator, can further improve overall efficiency with the inner chamber of ∩ type conducting strip.
5, owing to adopted ∩ type tooth ripple heat exchanger fin, improved the intensity of heat exchanger chip greatly, reduced the thickness of aluminium foil or Copper Foil, and can further improve motor speed, air-flow and heat exchanger wall in the ∩ type passage are fully collided; The tooth ripple sheet can increase heat exchange area and can destroy laminar flow, raising heat exchange efficiency effectively.
In a word, this secondary stream bidirectional heat preservation aeration facility have the characteristics that air quantity is big, noise is low, heat exchange efficiency is high, complete machine power is low, be applicable to 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.
The utility model accompanying drawing is as follows:
Fig. 1 secondary flows efficient heat exchange two-way ventilation machine vertical view
Fig. 2 secondary flows efficient heat exchange two-way ventilation machine side view
Fig. 3 secondary flows efficient heat exchange two-way ventilation machine passage wheel heat exchanger structure chart
Fig. 4 secondary flows efficient heat exchange two-way ventilation machine passage wheel heat exchanger A-A sectional view
Fig. 5 secondary flows efficient heat exchange two-way ventilation machine bent plate type blade wheel structure figure
Fig. 6 secondary flows efficient heat exchange two-way ventilation machine aerofoil impeller structure chart
Fig. 7 ∩ type corrugated board structures figure
Fig. 8 ∩ type corrugated plating A-A sectional view
Fig. 91 font corrugated board structures figure
Figure 10 1 font corrugated plating A-A sectional view
Figure 11 dynamic inertia driven heat exchanger structural representation
Figure 12 dynamic inertia driven heat exchanger A-A sectional view
Now describe as follows to the utility model embodiment in conjunction with the accompanying drawings:
Example one. reference diagram 1. Fig. 2. Fig. 3. core tube length 440mm, impeller diameter
190mm, heat exchanger diameter
160mm, external rotor electric machine power P=35～55W, motor speed 1300rpm, passage wheel heat exchanger (3) is fixed on the rotor of external rotor electric machine (4), the external rotor electric arbor is fixed on the chassis bracket (13), chassis bracket has damping device on (13), be equipped with from formula impeller (14) at passage wheel heat exchanger 3 two ends, be equipped with from formula impeller (14) at passage wheel heat exchanger 3 two ends, and the passage of passage wheel heat exchanger (3) is entad to be pegged graft by 24 corrugated plating (18) (see figure 7)s that roll out and be bent into " ∩ " type with gears engaged to make.The air intake passage (16) of the receded disk impeller (14) of ∩ type corrugated plating (18) one ends and passage wheel heat exchanger (3) one ends is bonding, the air-out passage (20) of the receded disk impeller (14) of the other end and passage wheel heat exchanger (3) other end is bonding, use nylon cloth (19) to twine the passage wheel heat exchanger (3) of (48) passage again, heat exchanger partly ∩ type corrugated plating (18) inner chamber of usefulness is the passage of outdoor fresh air, exocoel is indoor foul atmosphere passing away, the reverse flow in adjacency channel of two air-flows, the axial force that centrifugal force that is produced by the rotation of passage wheel heat exchanger in flow process and blower fan negative pressure produce, make airflow flowing formation secondary stream in the passage, add that coarse flute profile corrugated plating can destroy the boundary layer flow of heat-conducting plate effectively, thereby realize efficient heat exchange and two-way ventilation.For improving the clean-up performance of the air in the inlet chamber, be equipped with a filter (5) at outdoor air inlet place, can select different filters according to user's needs.Thick effect, middle effect, inferior efficient and dust filter are arranged, can filter with active carbon and chemiadsorption the extraordinary place that requires is arranged, and can install high efficiency particulate air filter additional.For satisfying the requirement of different user, fan impeller blade can be made lean forward, vertically, BI, obtaining different ventilations and heat exchange effect; Simultaneously, can install humidification, heating function additional at indoor air outlet place for the function that increases ventilator.
Example two core tube lengths are 440mm, impeller diameter
240mm, heat exchanger diameter
190～210mm, external rotor electric machine power P=65～120W, motor speed 900～1300rpm, heat exchanger channel is to be pegged graft by 24～36 ∩ type corrugated platings that roll out with gears engaged to form, and twines into the heat exchanger of 48～72 passages with nylon cloth.Version is with example 1.
Claims (6)
1, a kind of secondary of being made up of passage wheel heat exchanger, receded disk impeller, casing, control device, filter, outer rotor motor, spiral case etc. flows efficient heat exchange two-way ventilation machine, it is characterized in that: passage wheel heat exchanger, receded disk impeller are installed on the rotor of outer rotor motor, motor reel is fixed on the casing, and passage wheel heat exchanger and receded disk impeller together rotate.
2, flowing efficient heat exchange two-way ventilation machine according to the said secondary of claim 1 is characterized in that: passage wheel heat exchanger diameter is less than from the formula impeller diameter, and the receded disk impeller diameter equals passage wheel heat exchanger diameter and adds 5～100 millimeters.
3, flowing efficient heat exchange two-way ventilation machine according to the said secondary of claim 1 is characterized in that: the blade of passage wheel heat exchanger two ends receded disk impeller is made up of the channel interface of bent plate shape blade and passage wheel air inlet, blade can connect or have a segment distance, receded disk impeller with the channel interface that passage is taken turns air inlet be the part of passage wheel.
4, flowing efficient heat exchange two-way ventilation machine according to the said secondary of claim 1 is characterized in that: the blade of passage wheel heat exchanger two ends receded disk impeller is made up of the channel interface of airfoil blade and passage wheel air inlet, blade can connect or have a segment distance, receded disk impeller with the channel interface that passage is taken turns air inlet be the part of passage wheel.
5, flowing efficient heat exchange two-way ventilation machine according to the said secondary of claim 1 is characterized in that: by n group ∩ type shape ripple aluminium foil or Copper Foil conducting strip entad spade connect, conducting strip one end connects with the air inlet of receded disk impeller, and the other end connects a multichannel rotation heat exchanger that can form secondary stream of forming with the impeller air outlet of the passage wheel heat exchanger other end.
6, flowing efficient heat exchange two-way ventilation machine according to the said secondary of claim 1 is characterized in that: the multichannel rotation heat exchanger that can form secondary stream of entad being pegged graft and being formed by thick 1 font ripple aluminium foil of n sheet 0.3～0.5mm or Copper Foil conducting strip.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 93208960 CN2182382Y (en) | 1993-04-13 | 1993-04-13 | Secondary flow efficient heat-exchange bidirectional rebreather |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 93208960 CN2182382Y (en) | 1993-04-13 | 1993-04-13 | Secondary flow efficient heat-exchange bidirectional rebreather |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2182382Y true CN2182382Y (en) | 1994-11-09 |
Family
ID=33791284
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 93208960 Expired - Lifetime CN2182382Y (en) | 1993-04-13 | 1993-04-13 | Secondary flow efficient heat-exchange bidirectional rebreather |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2182382Y (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109059169A (en) * | 2018-09-21 | 2018-12-21 | 肖正广 | The energy-efficient new blower of counter flow series formula |
| CN111197816A (en) * | 2018-11-20 | 2020-05-26 | 珠海格力电器股份有限公司 | Heat exchange fan assembly and air conditioner |
| CN111442359A (en) * | 2019-01-17 | 2020-07-24 | 青岛海尔空调器有限总公司 | Indoor machine of floor air conditioner |
-
1993
- 1993-04-13 CN CN 93208960 patent/CN2182382Y/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109059169A (en) * | 2018-09-21 | 2018-12-21 | 肖正广 | The energy-efficient new blower of counter flow series formula |
| CN111197816A (en) * | 2018-11-20 | 2020-05-26 | 珠海格力电器股份有限公司 | Heat exchange fan assembly and air conditioner |
| CN111442359A (en) * | 2019-01-17 | 2020-07-24 | 青岛海尔空调器有限总公司 | Indoor machine of floor air conditioner |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CX01 | Expiry of patent term |