CN208380938U - A kind of throttle type temperature-lowering fan - Google Patents
A kind of throttle type temperature-lowering fan Download PDFInfo
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- CN208380938U CN208380938U CN201820833804.3U CN201820833804U CN208380938U CN 208380938 U CN208380938 U CN 208380938U CN 201820833804 U CN201820833804 U CN 201820833804U CN 208380938 U CN208380938 U CN 208380938U
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- throttling
- throttling set
- air outlet
- flabellum
- panel
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Abstract
The utility model provides a kind of throttle type temperature-lowering fan, belongs to domestic electric appliance field.The throttle type temperature-lowering fan includes pedestal, pillar, motor and flabellum；The motor is connect by pillar with pedestal；The flabellum is connected to motor；Rear defence shield is installed at the rear of the flabellum；The rear defence shield includes at least one throttling set of panel and installation on the panel；The panel is fixedly mounted on the motor；When motor drives flabellum rotation, air flows into flabellum after the throttling set from the rear of the throttling set.It is using the utility model cooling effect obvious, and room temperature can be adjusted by adjusting flabellum revolving speed, the energy can be saved, achieved energy-saving and emission reduction purposes, and system manufacture, install it is simple, at low cost.
Description
Technical field
The utility model belongs to domestic electric appliance field, and in particular to a kind of throttle type temperature-lowering fan.
Background technique
Summer hot climate, some region temperatures are up to 40 DEG C, have been more than normal body temperature, to the physiological activity of human body
And production activity is made troubles, or even seriously endangers the physical and mental health of human body.Currently, although the widely used electric fan of family is logical
Cross cross-ventilation heat dissipation, but at high temperature phase electric fan generate be still high temperature gas flow, reducing temperature of heatstroke prevention effect it is unobvious.Air-conditioning can
To reduce temperature, and it is adjustable air humidity, but air-conditioning price is compared with expensive, power consumption is big, and air-conditioning is used for a long time to give people
Bring miscellaneous air conditioner disease so that its use scope is limited.
Currently, part electric fan can provide cooling function, patent CN 107477743A discloses a kind of Wet-curtain temperature reducing electric wind
Fan pumps water into humidification sieve by the rotation of electric fan, and air is sucked from the gap of humidification sieve, forms Cryogenic air,
Achieve the purpose that cooling from fan blade to interior discharge again.Patent CN 2816428Y discloses a kind of humidifying cooling electric-fan,
Water absorbent net is installed on shield, online moisture evaporation, atomization are made by the rotation of flabellum, achieve the purpose that moistening and lowering temperature.Specially
Sharp CN 201355095Y discloses a kind of novel electric cooling fan, and in electric fan, a temperature lowering water is provided in front of fan blade
Slot, the wind for coming out electrical fan reduce temperature by cooling water tank.Patent CN 206905168U discloses a kind of humidification drop
Warm electric fan is equipped with micro pump and water tank below the motor of electric fan, the cascade in front of blade of electric fan is made by water pump
Item humidification, gas take away the moisture of cascade item under flabellum rotation, achieve the effect that moistening and lowering temperature.The above patent be all by
Water supply device is installed, so that blowing out wet cool air when fan work, achieving the purpose that moistening and lowering temperature, these set on electric fan
There is band water conservancy project and make in meter, safety is poor.Patent CN 206035908U discloses a kind of temperature-lowering fan, passes through pressurization shell
Pressure channel, which compresses air, to be pressurized, and is then discharged, is made air cooling-down, which only leans on a pressurization shell cooling, and cool down efficiency
It is lower, at the same be pressurized shell temperature increase after heat dissipation effect it is bad, influence fan for cooling effect.
Although it still has, and safety is low, cooling effect is poor as it can be seen that there are a large amount of temperature-lowering fans in the prior art
The defects of, therefore a kind of structure is provided and is simple and convenient to operate, the temperature-lowering fan highly-safe, cooling is high-efficient, is urgently to solve
Certainly the technical issues of.
Utility model content
Utility model aims to solve above-mentioned problems existing in the prior art, provide a kind of throttle type cooling electricity
Fan, cooling effect is obvious, and flabellum revolving speed is bigger, and cooling extent is bigger, and manufacture, installation are simple.
The utility model is achieved through the following technical solutions:
A kind of throttle type temperature-lowering fan, including pedestal, pillar, motor and flabellum；The motor passes through pillar and pedestal
Connection；The flabellum is connected to motor；
Rear defence shield is installed at the rear of the flabellum；
The rear defence shield includes at least one throttling set of panel and installation on the panel；
The panel is fixedly mounted on the motor；
When motor drives flabellum rotation, air flows into fan after passing through the throttling set from the rear of the throttling set
Between leaf.
The throttling set is horn-like structure, and one end is throttling air intake vent, and the other end is throttling air outlet；
It is described throttling air intake vent, throttle air outlet end face be arc；
The area of the throttling air intake vent is greater than the area of the throttling air outlet；
From the throttling air intake vent to throttling air outlet, the diameter of the inner wall of the throttling set gradually becomes smaller, is formed and increased
Pressure passageway.
The throttling air intake vent of the throttling set is located at the rear of the panel；
Flabellum described in the throttling air outlet face of the throttling set；
The length that the throttling set reaches panel rear is less than the diameter of the panel.
It is provided at least one threaded hole on the panel；Multiple threaded holes are in axially symmetric distribution on the panel；
The outer wall of the throttling air outlet of the throttling set is equipped with screw thread；
The throttling set is connect by the screw thread on throttling air outlet outer wall with the threaded hole of the panel.
One throttling set is installed on each threaded hole.
Preferably, another throttling set, the installation of the two coaxial line are installed in the Pressure channel of each throttling set；
The throttling air intake vent of embedded throttling set and the throttling air intake vent of external throttling set link into an integrated entity, and embed
The throttling air outlet of throttling set and the throttling air outlet of throttling set of outside link into an integrated entity；
The area of the throttling air intake vent of embedded throttling set is less than the area of the throttling air intake vent of external throttling set；
The area of the throttling air outlet of embedded throttling set is less than the area of the throttling air outlet of external throttling set.
Preferably, multi-stage flow-throttling device is installed on each threaded hole, the multi-stage flow-throttling device includes at least two string
The diameter of the throttling set of connection, the throttling air outlet of each nuclear one-stage throttling device is sequentially reduced；
The throttling air outlet of upper level throttling set and the throttling air intake vent of next nuclear one-stage throttling device are tightly connected；
The throttling air outlet of afterbody throttling set is connect with a threaded hole on panel.
Preferably, shield before being provided in front of the flabellum；
The panel is plane tabular structure；
The edge of the preceding shield is fixedly connected by an annular slab with the edge of the panel.
Preferably, the throttling set is made of aluminum alloy material；
The upper end of the pillar is connected to motor, and the motor can be rotated around the axis of pillar；
The lower end of the pillar is vertical with the pedestal to be connect；
Temperature sensor, acquisition throttling air outlet temperature are provided on the preceding shield.
Control device is installed on the pillar；Temperature sensor is installed in the side of the control device, is acquired
Room temperature；
It is provided with speed probe on the motor, for acquiring the revolving speed of flabellum；
It is provided with liquid crystal display on the control device, the collected room temperature of real-time display temperature sensor,
The revolving speed of the air outlet temperature that throttles and the collected flabellum of speed probe；
Speed regulator is equipped on the control device, the speed regulator is electrically connected with motor, control electricity
The revolving speed of machine.
Compared with prior art, the utility model has the beneficial effects that
(1) good cooling effect: room temperature maximum can be reduced by 5 ° by the throttle type temperature-lowering fan of the utility model, drop
Temp effect is obvious；
(2) cooling is controllable: the throttle type temperature-lowering fan of the utility model can adjust room by adjusting flabellum revolving speed
Interior temperature, flabellum revolving speed is bigger, and cooling extent is bigger；
(3) energy conservation and environmental protection: the throttle type temperature-lowering fan of the utility model realizes cooling using engineering thermophysics principle,
Long-time service can save the energy, achieve energy-saving and emission reduction purposes；
(4) be simple to manufacture: the throttle type temperature-lowering fan of the utility model only needs to pacify at existing electric fan air intake vent
Throttling set is filled, system manufacture, installation are simple；
(5) at low cost: the throttle type temperature-lowering fan manufacturing process of the utility model is simple, temperature-fall period do not need using
Power supply, so that advantage of lower cost.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the utility model throttle type temperature-lowering fan；
The top view of Fig. 2 electric fan rear defence shield；
The side view of Fig. 3 throttling set；
Wherein, shield, 8- before 1- pedestal, 2- pillar, 3- control device, 4- motor, 5- flabellum, 6- connect plug, 7-
Rear defence shield, 9- panel, 10- throttling set, 11- throttling air intake vent, 12- throttling air outlet.
Specific embodiment
The utility model is described in further detail with reference to the accompanying drawing:
When gas or liquid flow through a shrinkage cavity or a valve in pipeline, flowing is hindered, and fluid is in valve
Place generates whirlpool, collision, friction.Fluid will flow through valve, it is necessary to overcome these resistances, the pressure P2 after showing valve compares valve
Pressure P1 in front of the door is much lower.It is this to encounter local resistance due to flowing and cause stress the process of larger landing, commonly referred to as
For " throttling process ".In throttling process, fluid not only not external output work, but also can regard as with the external world exchanged without heat it is exhausted
Thermal process should be remained unchanged according to the gross energy (enthalpy) of law of conservation of energy, the internal fluid for the front and back that throttles.But composition enthalpy
Three parts energy: the kinetic energy of molecular motion, interaction of molecules position can, each section of the energy of flow is possible variation.
Pressure reduction after throttling, quality specific volume increase, and the distance between molecule increases, and the position of interaction of molecules can increase.And it flows
Kinetic energy generally changes less, so, position energy can only be converted by reducing the kinetic energy of molecular motion.The movement velocity of molecule subtracts
Slowly, it is embodied in temperature reduction.
The utility model proposes a kind of throttle type temperature-lowering fan and its control methods, flow through electric fan using gas
After throttling set, pressure reduction, volume expansion, intermolecular apart from increasing, intermolecular position be can increase, corresponding kinetic energy
Reduce, the principle that temperature reduces, to reduce room temperature, structure is simple, safety durable, cooling are high-efficient.
As shown in Figure 1, the utility model provides a kind of throttle type temperature-lowering fan, including pedestal 1, pillar 2, control
Device 3, motor 4, flabellum 5, connect plug 6, preceding shield 7, rear defence shield 8.Not by the specific of rear defence shield in Fig. 1
Structure embodies.
Wherein, pedestal 1 is used to support entire electric fan weight；Pillar 2 is vertical with pedestal 1 to be connect；Control device 3 is mounted on
On pillar 2, for opening/closing the operations such as fan, adjusting rotation speed of the fan, timing and fan performance parameter monitoring；Monitoring parameters
Refer to environment temperature and flabellum revolving speed, environment temperature passes through by being mounted on the temperature sensor measurement of control panel, flabellum revolving speed
The speed probe measurement being mounted on motor.
Motor 4 is fixed on the top of pillar 2, after connect plug 6 and power supply connection, flabellum 5 can be driven to rotate, made
Air flowing.Meanwhile motor 4 can be rotated around 2 axis of pillar, and then adjust fan blowing direction；It is installed respectively before and after flabellum
There are preceding shield 7 and rear defence shield 8, rear defence shield 8 is fixed on motor 2, and preceding shield 7 is fixed on rear defence shield 8.
As shown in Fig. 2, there are four throttling set 10, throttling sets for installation on the panel 9 of rear defence shield 8 in the present embodiment
10 are equipped with female thread, and the panel 9 is plane tabular structure, and design has multiple screwed pin threads on plate structure, with
Female thread connection on throttling set.Throttling set 10 is mounted on panel, using threaded connection.It is excellent in order to improve cooling effect
Selection of land is to be uniformly distributed throttling set using axial.When motor drives flabellum rotation, air can only be from rear defence shield
Throttling set flows into temperature-lowering fan.The quantity of throttling set is determining according to throttling set inlet air open area and fan diameter,
Single throttling set inlet air open area is bigger, and throttling set quantity is fewer.In order to improve fan aesthetics, single throttling set is straight
Diameter is less than fan diameter.
As shown in figure 3, the throttling set 10 is designed using horn-like structure, both ends open is circle, throttle into
The area in air port 11 is greater than the area of throttling air outlet 12, and gradually smaller Pressure channel is formed from air intake vent to air outlet,
Two end faces use cambered design, reduce air flow resistance；After air flows out throttling set 10, pressure reduction, volume
Expansion achievees the purpose that temperature reduction.The air outlet slit end design of the throttling set 10 has female thread, is not needing to cool down
When, it can be disassembled from rear defence shield.
Since when gas passes through throttling set 10, flowing is hindered, and fluid generates whirlpool in channel, collides, rubs
It wipes, certain heat can be generated, which wants small compared to the temperature that gas flows through throttling set reduction, in order to improve drop
The cooling effect of warm electric fan, so that the heat of throttling set distributes rapidly, the material of the throttling set uses aluminium alloy material
Matter is reduced when gas passes through throttling set, and the heat that air swirl, collision, friction generate in throttling set improves heat dissipation effect
Fruit.For example, air is sucked from the air intake vent 11 in the throttling set 10 in rear defence shield 8 when fan work, and then enter throttling
The air outlet 12 of device 10, during the throttling set 10 that electric fan is flowed through due to gas, throttling set 10 is flowed out in pressure rise
When, pressure reduces rapidly, volume expansion, and intermolecular distance increases, and intermolecular position can increase, and corresponding kinetic energy subtracts
It is small, so that temperature reduces, nice and cool feeling is brought to people.
Further, it is contemplated that the beauty of fan, rear defence shield 8 are designed as planar structure, rather than arc, in order to by rear defence
Shield 8 is connect with preceding shield 7, and intermediate there are also one section of closed curved panels.
The area ratio of throttling air intake vent and the air outlet that throttles does not have specific range, according to throttling cooling formulaThe area ratio of throttling air intake vent and the air outlet that throttles is bigger, and supercharging effect is better, fan for cooling amplitude
It is bigger.
In order to improve fan stability and aesthetics, the length of throttling set extending panel is less than fan diameter.
Preferably, in order to improve restriction effect and prevent the too small throttling set that is not easy to of throttling set air outlet diameter
Installation can embed a throttling set again in throttling set.Embedded throttling set inlet air open area is less than external throttling
Device inlet air open area；Embedded throttling set outlet air open area can be less than external throttling set outlet air open area.Embedded
Throttling set and external throttling set use integrated molding.
Throttling set 10 can be single-stage, be also possible to the cascade of 2 or multiple throttling sets, i.e. next stage enters
Mouth is the outlet of upper level, to increase cooling effect.
It is mounted on temperature sensor on the side of control device 3 and preceding shield 7, Indoor Temperature can be monitored respectively in real time
Degree and electric fan air outlet temperature, the two temperature difference are to embody the cooling effect of electric fan.Flabellum revolving speed is bigger, and cooling extent is got over
Greatly, flabellum revolving speed is smaller, and cooling extent is smaller.Meanwhile having liquid crystal display on control device, it being capable of real-time display room temperature
And the parameters such as revolving speed of air outlet temperature, flabellum 5, when need to improve room temperature reduce amplitude when, can by manually or
Flabellum revolving speed is automatically adjusted to realize.
Specifically, in order to realize the control of flabellum revolving speed, flabellum speed regulator, flabellum are equipped on control device 3
Speed regulator is electrically connected with motor, controls the revolving speed of motor, is adjusted by the revolving speed of the rotational speed regulation flabellum 5 of motor
Air outlet temperature, the utility model in throttling set air intake vent and can be gone out using flabellum speed regulator is manually adjusted
In the case that vent area is certain, manual control, which improves motor speed, can be improved cooling effect.
It can also be carried out automatically controlling on control device, that is, setting positive threshold value and negative threshold value, (value of the two can basis
Actual demand is set in advance), the positive threshold value is greater than 0, and for the negative threshold value less than 0, automatic adjustment device calculates the room detected
Difference between interior temperature and air outlet temperature improves the revolving speed of motor if the difference is greater than the positive threshold value, so that fan
Leaf revolving speed improves, and further decreases the air outlet temperature of electric fan, if the difference is less than the negative threshold value, reduces turning for motor
Speed, if the difference between positive threshold value and negative threshold value, keeps the revolving speed of motor constant.
Another autocontrol method is as follows: artificial set temperature, the room temperature and setting that control device will test
Temperature is compared, if room temperature is higher than set temperature, improves the revolving speed of motor, so that flabellum revolving speed improves, in turn
The air outlet temperature of electric fan is reduced, if room temperature is lower than set temperature, the revolving speed of motor is reduced, if room temperature etc.
In set temperature, then keep the revolving speed of motor constant.
It, can also be using other autocontrol methods of existing fan to the utility model except above-mentioned control method
Fan is controlled.
Above-mentioned technical proposal is a kind of embodiment of the utility model, for those skilled in the art,
On the basis of the utility model discloses principle, it is easy to make various types of improvement or deformation, be not limited solely to this reality
The structure described in novel above-mentioned specific embodiment, thus it is previously described only preferred, and it is not restrictive
Meaning.
Claims (10)
1. a kind of throttle type temperature-lowering fan, including pedestal, pillar, motor and flabellum；The motor is connected by pillar and pedestal
It connects；The flabellum is connected to motor；It is characterized by:
Rear defence shield is installed at the rear of the flabellum；
The rear defence shield includes at least one throttling set of panel and installation on the panel；
The panel is fixedly mounted on the motor；
When motor drive flabellum rotation when, air from the rear of the throttling set pass through the throttling set after flow into flabellum it
Between.
2. throttle type temperature-lowering fan according to claim 1, it is characterised in that: the throttling set is horn-like knot
Structure, one end are throttling air intake vent, and the other end is throttling air outlet；
It is described throttling air intake vent, throttle air outlet end face be arc；
The area of the throttling air intake vent is greater than the area of the throttling air outlet；
From the throttling air intake vent to throttling air outlet, the diameter of the inner wall of the throttling set is gradually become smaller, and it is logical to form pressurization
Road.
3. throttle type temperature-lowering fan according to claim 2, it is characterised in that: the throttling air intake vent of the throttling set
Positioned at the rear of the panel；
Flabellum described in the throttling air outlet face of the throttling set；
The length that the throttling set reaches panel rear is less than the diameter of the panel.
4. throttle type temperature-lowering fan according to claim 3, it is characterised in that: be provided at least one on the panel
Threaded hole；Multiple threaded holes are in axially symmetric distribution on the panel；
The outer wall of the throttling air outlet of the throttling set is equipped with screw thread；
The throttling set is connect by the screw thread on throttling air outlet outer wall with the threaded hole of the panel.
5. throttle type temperature-lowering fan according to claim 4, it is characterised in that: be equipped with one on each threaded hole
Throttling set.
6. throttle type temperature-lowering fan according to claim 5, it is characterised in that: in the Pressure channel of each throttling set
Another throttling set, the installation of the two coaxial line are inside installed；
The throttling air intake vent of embedded throttling set and the throttling air intake vent of external throttling set link into an integrated entity, embedded section
The throttling air outlet and the throttling air outlet of external throttling set for flowing device link into an integrated entity；
The area of the throttling air intake vent of embedded throttling set is less than the area of the throttling air intake vent of external throttling set；It is embedded
Throttling set throttling air outlet area be less than external throttling set throttling air outlet area.
7. throttle type temperature-lowering fan according to claim 4, it is characterised in that: be equipped with multistage on each threaded hole
Throttling set, the multi-stage flow-throttling device include the concatenated throttling set of at least two, the throttling air outlet of each nuclear one-stage throttling device
Diameter is sequentially reduced；
The throttling air outlet of upper level throttling set and the throttling air intake vent of next nuclear one-stage throttling device are tightly connected；
The throttling air outlet of afterbody throttling set is connect with a threaded hole on panel.
8. throttle type temperature-lowering fan according to any one of claims 1 to 7, it is characterised in that: in the front of the flabellum
It is provided with preceding shield；
The panel is plane tabular structure；
The edge of the preceding shield is fixedly connected by an annular slab with the edge of the panel；
Temperature sensor, acquisition throttling air outlet temperature are provided on the preceding shield.
9. throttle type temperature-lowering fan according to claim 8, it is characterised in that: the throttling set uses aluminium alloy material
Matter is made；
The upper end of the pillar is connected to motor, and the motor can be rotated around the axis of pillar；
The lower end of the pillar is vertical with the pedestal to be connect.
10. throttle type temperature-lowering fan according to claim 9, it is characterised in that: be equipped with control on the pillar
Device；Temperature sensor is installed in the side of the control device, acquires room temperature；
It is provided with speed probe on the motor, for acquiring the revolving speed of flabellum；
Liquid crystal display, the collected room temperature of real-time display temperature sensor, throttling are provided on the control device
The revolving speed of air outlet temperature and the collected flabellum of speed probe；
Speed regulator is equipped on the control device, the speed regulator is electrically connected with motor, controls motor
Revolving speed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820833804.3U CN208380938U (en) | 2018-05-31 | 2018-05-31 | A kind of throttle type temperature-lowering fan |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820833804.3U CN208380938U (en) | 2018-05-31 | 2018-05-31 | A kind of throttle type temperature-lowering fan |
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| Publication Number | Publication Date |
|---|---|
| CN208380938U true CN208380938U (en) | 2019-01-15 |
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ID=64968522
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| Application Number | Title | Priority Date | Filing Date |
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| CN201820833804.3U Active CN208380938U (en) | 2018-05-31 | 2018-05-31 | A kind of throttle type temperature-lowering fan |
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| CN (1) | CN208380938U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108488087A (en) * | 2018-05-31 | 2018-09-04 | 王梓豫 | A kind of throttle type temperature-lowering fan and its control method |
-
2018
- 2018-05-31 CN CN201820833804.3U patent/CN208380938U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108488087A (en) * | 2018-05-31 | 2018-09-04 | 王梓豫 | A kind of throttle type temperature-lowering fan and its control method |
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