CN109268997A - Combined type air conditioning unit and fan section thereof - Google Patents
Combined type air conditioning unit and fan section thereof Download PDFInfo
- Publication number
- CN109268997A CN109268997A CN201811344611.2A CN201811344611A CN109268997A CN 109268997 A CN109268997 A CN 109268997A CN 201811344611 A CN201811344611 A CN 201811344611A CN 109268997 A CN109268997 A CN 109268997A
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- air
- motor
- fan
- section
- handling unit
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- 238000004378 air conditioning Methods 0.000 title abstract description 9
- 230000005611 electricity Effects 0.000 claims description 2
- 238000000034 method Methods 0.000 abstract description 12
- 230000005540 biological transmission Effects 0.000 abstract description 5
- 230000001105 regulatory effect Effects 0.000 abstract 2
- 230000000694 effects Effects 0.000 description 3
- 238000011282 treatment Methods 0.000 description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- 238000001816 cooling Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 235000019504 cigarettes Nutrition 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 238000009941 weaving Methods 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F7/00—Ventilation
- F24F7/007—Ventilation with forced flow
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F1/00—Room units for air-conditioning, e.g. separate or self-contained units or units receiving primary air from a central station
- F24F1/0007—Indoor units, e.g. fan coil units
- F24F1/0018—Indoor units, e.g. fan coil units characterised by fans
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
The invention provides a fan section of a combined air conditioning unit and the combined air conditioning unit, relates to the technical field of air conditioners and solves the technical problem that the combined air conditioning unit cannot regulate the speed in the operation process. The fan section of the combined air conditioning unit comprises a cabinet body and a fan system, wherein an air flow channel is arranged in the cabinet body, and an air inlet and an air outlet are respectively arranged at the positions, corresponding to the two ends of the air flow channel, on the cabinet body; the fan system comprises a motor and a volute-free backward-inclined fan blade, the volute-free backward-inclined fan blade and the motor are sequentially arranged in the airflow channel, and the volute-free backward-inclined fan blade and the motor are in direct connection; the motor is a speed-adjustable motor. The volute-free backward-inclined fan blade is arranged on the output shaft of the motor, the volume of a fan system is greatly reduced, the structure is simple, ash and scale are not easily stored, and the fan blade is directly connected with the variable-frequency speed regulating motor, so that the speed can be regulated according to actual needs in the operation process, and the transmission efficiency is greatly improved.
Description
Technical field
The present invention relates to air-conditioning technical fields, more particularly, to the fan section and air conditioner of a kind of unitary air handling unit
Group.
Background technique
Unitary air handling unit, also known as group are empty, are a kind of air-treatments assembled by various air-treatment function sections
Equipment.Suitable for resistance be greater than 100Pa air-conditioning system, be widely used in electronic instrument, precision machinery manufacture, weaving, cigarette,
Pharmacy, food, power station and light industry etc. industry central air conditioning, be also applied for commercial mansion, supermarket, cinema, hotel and
The comfort air conditioning system of the commercialization such as office block and civilian large and medium-sized public buildings.Unit air-treatment basic function Duan Youchu effect is new
Air return section, surface air cooler and manger board segment, bringing-up section, humidifier section, secondary return air section, fan section, muffler section, medium efficiency filtration section, sterilisating section with
And heat-recovery section etc..Wherein, fan section is a most important power function section in group is empty, it determines air quantity, the pressure head of unit
Etc. important indicators whether meet the requirements, therefore the arrangement of fan section all plays a very important role to entire group sky.
Applicants have discovered that at least there is following technical problem in the prior art:
The permanent revolving speed operation of the mainly fixed frequency of the fan section of existing unitary air handling unit, is realized by belt pulley and is driven, wind
Speed regulation between machine and motor mainly passes through belt pulley no-load voltage ratio and realizes；Frequency operation is determined due to motor in actual moving process,
The no-load voltage ratio of belt pulley is fixed, so blower is to cause existing unitary air handling unit can not be in operational process with constant speed drive
In carry out the adjustment of rotation speed of fan as needed, user experience effect is poor.
Summary of the invention
The purpose of the present invention is to provide the blowers for the unitary air handling unit that one kind can be adjusted the speed in the process of running
Section and air-conditioner set, the technology that can not be adjusted the speed in the process of running with solving unitary air handling unit existing in the prior art are asked
Topic.
To achieve the above object, the present invention provides following technical schemes:
A kind of fan section of unitary air handling unit provided by the invention, including cabinet body and blower fan system, in which:
There is airflow channel in the cabinet body, corresponded on the cabinet body and be respectively arranged with air inlet at the airflow channel both ends
Mouth and air outlet；
The blower fan system includes motor and without spiral case backward tilt fan blade, the no spiral case backward tilt fan blade and the motor
It is successively set in the airflow channel, and is connected between the no spiral case backward tilt fan blade and the motor for direct connection；
The motor is adjustable speed motor.
Exhausting is carried out by using no spiral case backward tilt fan blade, this kind of fan blade does not need bearing and be directly installed on motor output
On axis, the fixation of blower is carried out without bracket, and blower, to greatly reduce the volume of blower fan system, is somebody's turn to do also without spiral case
The blower of kind of structure also has structure simple, is not easy to hide ash and receives dirt, and by selecting adjustable speed electric for fan blade and motor direct connection
Machine is driven, so that blower fan system can not only be adjusted the speed according to actual needs in the process of running, but also is mentioned significantly
High transmission efficiency.
As a further improvement of the present invention, the no spiral case backward tilt fan blade is mounted on the output shaft of the motor.
As a further improvement of the present invention, the fan section further includes being arranged in the intracorporal baffle of the cabinet, the gear
It is wind inlet section between plate and the air inlet, is wind outlet section between the baffle and the air outlet, the blower fan system setting
The air port excessively that gas supply stream passes through is offered in the wind outlet section, and on the baffle.
As a further improvement of the present invention, the blower fan system further includes baffle liner, and the baffle liner is arranged described
Between baffle and the no spiral case backward tilt fan blade, and air port and described is crossed described in the both ends air port difference face of the baffle liner
The air inlet of no spiral case backward tilt fan blade is arranged.
As a further improvement of the present invention, the quantity of the blower fan system is two sets, and two sets of blower fan systems are along institute
State cabinet body width direction be arranged side by side, it is described cross air port quantity be two, two it is described cross air ports respectively with two sets of wind
Machine system is correspondingly arranged.
As a further improvement of the present invention, the fan section further includes the frequency-variable module being electrically connected with the motor, is used
To control the revolving speed of the motor.
As a further improvement of the present invention, the frequency-variable module quantity is a set of, described in the frequency-variable module and two
Motor is electrically connected the revolving speed to two motors of sequential control；Alternatively, the frequency-variable module quantity is two sets, two sets of institutes
It states frequency-variable module and is electrically connected revolving speed to respective one motor of independent control with two motors respectively.
As a further improvement of the present invention, the motor is motor with air cooling.
As a further improvement of the present invention, the baffle liner is the variable-diameter structure to small on one side big while, and the water conservancy diversion
The big opening end of circle is connect with the air port of crossing.
As a further improvement of the present invention, the air inlet is identical with the height of the air outlet, and is arranged for face,
The air port height of crossing is less than the air inlet open height.
A kind of air-conditioner set provided by the invention, including the fan section.
As a further improvement of the present invention, the air-conditioner set is unitary air handling unit.
Compared with prior art, the present invention has the following advantages:
The present invention carries out exhausting using no spiral case backward tilt fan blade, this kind of fan blade does not need bearing, and to be directly installed on motor defeated
On shaft, the fixation of blower is carried out without bracket, and blower is also without spiral case, so that the volume of blower fan system is greatly reduced,
The blower of this kind of structure also has structure simple, is not easy to hide ash and receives dirt, and by selecting adjustable speed for fan blade and motor direct connection
Motor is driven, so that blower fan system can not only be adjusted the speed according to actual needs in the process of running, but also significantly
Improve transmission efficiency.
Detailed description of the invention
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below
There is attached drawing needed in technical description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this
Some embodiments of invention for those of ordinary skill in the art without creative efforts, can be with
It obtains other drawings based on these drawings.
Fig. 1 is the structural schematic diagram of the fan section of unitary air handling unit of the present invention.
1, cabinet body in figure；11, air inlet；12, air outlet；2, blower fan system；21, motor；22, without spiral case backward tilt wind
Leaf；23, baffle liner；3, baffle；31, air port is crossed；4, electric cabinet；100, wind inlet section；200, wind outlet section.
Specific embodiment
To make the object, technical solutions and advantages of the present invention clearer, technical solution of the present invention will be carried out below
Detailed description.Obviously, described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.Base
Embodiment in the present invention, those of ordinary skill in the art are obtained all without making creative work
Other embodiment belongs to the range that the present invention is protected.
As shown in Figure 1, the present invention provides a kind of fan section of unitary air handling unit, including cabinet body 1 and blower fan system
2, in which: there is airflow channel in cabinet body 1, corresponded on cabinet body 1 and be respectively arranged with air inlet 11 and outlet air at airflow channel both ends
Mouth 12；Including motor 21 and without spiral case backward tilt fan blade 22, no spiral case backward tilt fan blade 22 is successively set blower fan system 2 with motor 21
Set in airflow channel, and without between spiral case backward tilt fan blade 22 and motor 21 be direct connection connect；Motor 21 is adjustable speed motor.
Exhausting is carried out by using no spiral case backward tilt fan blade 22, this kind of fan blade does not need bearing, and to be directly installed on motor defeated
On shaft, the fixation of blower is carried out without bracket, and blower is also without spiral case, so that the volume of blower fan system is greatly reduced,
The blower of this kind of structure also has structure simple, is not easy to hide ash and receives dirt, and by selecting adjustable speed for fan blade and motor direct connection
Motor is driven, so that blower fan system can not only be adjusted the speed according to actual needs in the process of running, but also significantly
Improve transmission efficiency.
It should be noted that no spiral case backward tilt fan blade 22 is directly installed on the output shaft of motor 21 in the present invention.Letter
Change 2 structure of blower fan system, do not need belt and pulley drive, reduces the cost for replacing and safeguarding belt transmission after sale.
As optional embodiment, fan section further includes the baffle 3 being arranged in cabinet body 1, baffle 3 and air inlet 11 it
Between be wind inlet section 100, between baffle 3 and air outlet 12 be wind outlet section 200,100 wind pressure of wind inlet section is lower, 200 wind pressure of wind outlet section
Higher, blower fan system setting offers the air port excessively that gas supply stream passes through in wind outlet section, and on baffle.Baffle 3 for will from into
The wind that wind inlet section 100 is entered at air port 11 is introduced into wind outlet section 200 from crossing air port 31 after water conservancy diversion.
In order to further mention the water conservancy diversion congregational rate of wind, in the present invention, blower fan system 2 further includes baffle liner 23, is led
23 setting of stream circle is in baffle 3 and without between spiral case backward tilt fan blade 22, and face crosses air port respectively in the both ends air port of baffle liner 23
31 and without spiral case backward tilt fan blade 22 air inlet setting.Fan section, two blower systems are formed by using two blower fan systems 2
System 2 is arranged at cabinet body 1, shares the same air inlet 11, wind inlet section 100, wind outlet section 200 and air outlet 12.
Since the air quantity adjustable range of single set blower fan system 2 is limited, air quantity adjustable range is narrow, in the present invention, blower fan system 2
Quantity be two sets, two sets blower fan systems 2 along 1 width direction of cabinet body be arranged side by side, mistake air port 31 quantity be two, two mistakes
Air port 31 is correspondingly arranged with two sets of blower fan systems 2 respectively.It designs through the above structure, unitary air handling unit can be made more
It is freely adjusted within the scope of wide air quantity, can be realized the requirement of unit Wind Volume operation.
As optional embodiment, fan section further includes the frequency-variable module being electrically connected with motor 21, to control motor
21 revolving speed.Frequency-variable module is mounted in the electric cabinet 4 in 1 outside of cabinet body.
A kind of optional embodiment, frequency-variable module quantity be it is a set of, frequency-variable module is electrically connected use with two motors 21
With the revolving speed of two motors 21 of sequential control；I.e. two blower fan systems 2 share a frequency-variable module, when two blower fan systems 2 are total
When with a frequency-variable module, the blower fan system 2 started first is by frequency-variable module variable frequency starting, when the blower fan system 2 operation to work
Alternating current is switched to after frequency, then frequency-variable module restarts the motor 21 in other set blower fan system 2.In adjustment process, if
Actual condition demand air quantity is smaller, then starts a set of blower fan system 2, if actual condition increase, a set of 2 air quantity of blower fan system without
When method meets, then the motor 21 in wherein a set of blower fan system 2 is switched into power frequency operation, then in addition with frequency-variable module driving
A set of blower fan system 2 is run to increase the air quantity of fan section.
Another optional embodiment, alternatively, frequency-variable module quantity is two sets, two sets of frequency-variable modules respectively with two electricity
Machine 21 is electrically connected the revolving speed to respective one motor 21 of independent control.
It should be noted that motor 21 is motor with air cooling in the present invention.
Further, in order to promote diversion effect, baffle liner 23 is the variable-diameter structure to small on one side big while, and baffle liner 23
Big opening end with cross air port 31 connect.
As optional embodiment, air inlet 11 is identical with the height of air outlet 12, and is arranged for face, crosses air port 31
Height is less than 11 height of air inlet.
The present invention also provides a kind of air-conditioner set, including above-mentioned fan section.
Further, above-mentioned air-conditioner set is unitary air handling unit.
The above description is merely a specific embodiment, but scope of protection of the present invention is not limited thereto, any
Those familiar with the art in the technical scope disclosed by the present invention, can easily think of the change or the replacement, and should all contain
Lid is within protection scope of the present invention.Therefore, protection scope of the present invention should be based on the protection scope of the described claims.
Claims (12)
1. a kind of fan section of unitary air handling unit, it is characterised in that: including cabinet body (1) and blower fan system (2), in which:
There is in the cabinet body (1) airflow channel, corresponded on the cabinet body (1) be respectively arranged at the airflow channel both ends into
Air port (11) and air outlet (12)；
The blower fan system (2) includes motor (21) and without spiral case backward tilt fan blade (22), the no spiral case backward tilt fan blade
(22) it is successively set in the airflow channel with the motor (21), and the no spiral case backward tilt fan blade (22) and the electricity
It is connected between machine (21) for direct connection；
The motor (21) is adjustable speed motor.
2. the fan section of unitary air handling unit according to claim 1, it is characterised in that: the no spiral case backward tilt wind
Leaf (22) is mounted on the output shaft of the motor (21).
3. the fan section of unitary air handling unit according to claim 1 or 2, it is characterised in that: the fan section also wraps
The baffle (3) being arranged in the cabinet body (1) is included, is between the baffle (3) and the air inlet (11) wind inlet section (100),
It is wind outlet section (200) that the blower fan system (2) is arranged in the wind outlet section between the baffle (3) and the air outlet (12)
(200) in, and mistake air port (31) that gas supply stream passes through is offered on the baffle (3).
4. the fan section of unitary air handling unit according to claim 3, it is characterised in that: the blower fan system (2) is also
Including baffle liner (23), the baffle liner (23) is arranged between the baffle (3) and the no spiral case backward tilt fan blade (22),
And mistake air port (31) and the no spiral case backward tilt fan blade (22) described in face are distinguished in the both ends air port of the baffle liner (23)
Air inlet setting.
5. the fan section of unitary air handling unit according to claim 4, it is characterised in that: the blower fan system (2)
Quantity is two sets, and two sets of blower fan systems (2) are arranged side by side along the cabinet body (1) width direction, air port (31) excessively
Quantity is two, and two cross air port (31) are correspondingly arranged with two sets of blower fan systems (2) respectively.
6. the fan section of unitary air handling unit according to claim 5, it is characterised in that: the fan section further include with
The frequency-variable module of motor (21) electrical connection, to control the revolving speed of the motor (21).
7. the fan section of unitary air handling unit according to claim 6, it is characterised in that: the frequency-variable module quantity is
A set of, the frequency-variable module is electrically connected turn to sequential control two motors (21) with two motors (21)
Speed；Alternatively, the frequency-variable module quantity is two sets, two sets of frequency-variable modules are electrically connected use with two motors (21) respectively
With the revolving speed of respective independent control one motor (21).
8. the fan section of unitary air handling unit according to claim 1, it is characterised in that: the motor (21) is air-cooled
Formula motor.
9. the fan section of unitary air handling unit according to claim 4, it is characterised in that: the baffle liner (23) is one
The small variable-diameter structure in the big one side in side, and the big opening end of the baffle liner (23) is connect with cross air port (31).
10. the fan section of unitary air handling unit according to claim 3, it is characterised in that: the air inlet (11) and
The height of the air outlet (12) is identical, and is arranged for face, and cross air port (31) are highly less than the air inlet (11) height
Degree.
11. a kind of air-conditioner set, it is characterised in that: including the fan section as described in any in claim 1-10.
12. air-conditioner set according to claim 11, it is characterised in that: the air-conditioner set is unitary air handling unit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811344611.2A CN109268997A (en) | 2018-11-12 | 2018-11-12 | Combined type air conditioning unit and fan section thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811344611.2A CN109268997A (en) | 2018-11-12 | 2018-11-12 | Combined type air conditioning unit and fan section thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109268997A true CN109268997A (en) | 2019-01-25 |
Family
ID=65193506
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811344611.2A Pending CN109268997A (en) | 2018-11-12 | 2018-11-12 | Combined type air conditioning unit and fan section thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109268997A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109708215A (en) * | 2019-02-21 | 2019-05-03 | 珠海格力电器股份有限公司 | Air conditioning unit and fan section thereof |
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|---|---|---|---|---|
| CN201636081U (en) * | 2010-03-23 | 2010-11-17 | 上海冠带通风节能设备有限公司 | Backward-tilting type volute-free centrifugal fan |
| CN203335470U (en) * | 2013-05-23 | 2013-12-11 | 浙江大学 | High-efficiency centrifugal fan without volute |
| CN203560116U (en) * | 2013-09-22 | 2014-04-23 | 浙江国祥空调设备有限公司 | A voluteless fan direct drive device for medical purifying air handling units |
| CN104329730A (en) * | 2014-11-24 | 2015-02-04 | 苏州医电神空调设备工程有限公司 | Pressure-equalizing noise-eliminating air conditioning unit |
| CN204692138U (en) * | 2015-06-24 | 2015-10-07 | 浙江聚英风机工业有限公司 | A kind of without spiral case fire-fighting draft fan case |
| CN209147349U (en) * | 2018-11-12 | 2019-07-23 | 珠海格力电器股份有限公司 | Combined type air conditioning unit and fan section thereof |
-
2018
- 2018-11-12 CN CN201811344611.2A patent/CN109268997A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201636081U (en) * | 2010-03-23 | 2010-11-17 | 上海冠带通风节能设备有限公司 | Backward-tilting type volute-free centrifugal fan |
| CN203335470U (en) * | 2013-05-23 | 2013-12-11 | 浙江大学 | High-efficiency centrifugal fan without volute |
| CN203560116U (en) * | 2013-09-22 | 2014-04-23 | 浙江国祥空调设备有限公司 | A voluteless fan direct drive device for medical purifying air handling units |
| CN104329730A (en) * | 2014-11-24 | 2015-02-04 | 苏州医电神空调设备工程有限公司 | Pressure-equalizing noise-eliminating air conditioning unit |
| CN204692138U (en) * | 2015-06-24 | 2015-10-07 | 浙江聚英风机工业有限公司 | A kind of without spiral case fire-fighting draft fan case |
| CN209147349U (en) * | 2018-11-12 | 2019-07-23 | 珠海格力电器股份有限公司 | Combined type air conditioning unit and fan section thereof |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109708215A (en) * | 2019-02-21 | 2019-05-03 | 珠海格力电器股份有限公司 | Air conditioning unit and fan section thereof |
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