CN111765112A - Low-speed breeze stepless speed regulation electric fan speed regulation mechanism - Google Patents
Low-speed breeze stepless speed regulation electric fan speed regulation mechanism Download PDFInfo
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- CN111765112A CN111765112A CN202010673352.9A CN202010673352A CN111765112A CN 111765112 A CN111765112 A CN 111765112A CN 202010673352 A CN202010673352 A CN 202010673352A CN 111765112 A CN111765112 A CN 111765112A
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D27/00—Control, e.g. regulation, of pumps, pumping installations or pumping systems specially adapted for elastic fluids
- F04D27/004—Control, e.g. regulation, of pumps, pumping installations or pumping systems specially adapted for elastic fluids by varying driving speed
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D25/00—Pumping installations or systems
- F04D25/02—Units comprising pumps and their driving means
- F04D25/08—Units comprising pumps and their driving means the working fluid being air, e.g. for ventilation
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
- Control Of Positive-Displacement Air Blowers (AREA)
Abstract
The invention relates to the technical field of circuits and electric wires, and discloses a low-speed breeze stepless speed regulation electric fan speed regulation mechanism which comprises a speed regulation mechanism, wherein a speed regulator is fixedly connected inside the speed regulation mechanism, a capacitor is fixedly connected inside the speed regulation mechanism, a low-speed switch is fixedly connected inside the speed regulation mechanism, a resistor is fixedly connected inside the speed regulation mechanism, a metal bar is rotatably connected inside the speed regulator, a resistor ring is fixedly connected inside the speed regulator, a plug is fixedly connected at the bottom of the speed regulation mechanism, a support frame is fixedly connected on the left side of the speed regulation mechanism, a motor is fixedly connected at the top of the support frame, and fan blades are fixedly connected on the right side of the motor. The speed regulating mechanism of the low-speed breeze electric fan with stepless speed regulation has the advantages that the metal bar, the resistance ring, the resistor, the capacitor and the low-speed switch are matched for use, so that the effect that the fan can carry out stepless speed regulation at a normal gear and a low gear and the rotating speed of the fan blades is changed a little is achieved.
Description
Technical Field
The invention relates to the field of circuits and electric wires, in particular to a low-speed breeze stepless speed-regulating electric fan speed-regulating mechanism.
Background
Electricity can be said to be indispensable in modern life, various with electrical apparatus all need rely on the electricity to drive, the transmission of electricity just needs to use the electric wire, and the circuit has just been constituteed with the inside circuit of electrical apparatus to the arrangement of electric wire, connects with different circuit between each electrical components just can reach various effects. For example, the speed regulation function of the electric fan can be realized.
For example, chinese patent CN 208718987U discloses a circuit for adding low-speed and breeze control to an electric fan, which can make the electric fan rotate at several lower speeds besides normal three-speed normal rotation speed, i.e. fast, medium and slow. However, the low-speed gear is limited, the fan can only rotate at a set speed, the wind blown at the rotating speeds cannot be comfortable for users, the wind speed is low, the users feel hot, and the wind speed is high, and the users feel uncomfortable.
Disclosure of Invention
Technical problem to be solved
Aiming at the defects of the prior art, the invention provides a low-speed breeze electric fan speed regulating mechanism capable of realizing stepless speed regulation, which has the advantages of stepless speed regulation of a normal gear and a low-speed gear, little change of the rotating speed of a fan and capability of making a user feel the most comfortable wind, and solves the problems that the low-speed gear is limited, the fan can only rotate at a set speed, the wind blown out at the rotating speeds can not make the user feel the most comfortable, the wind speed is low, the user feels hot, and the wind speed is high, so that the user can feel uncomfortable and irritate.
(II) technical scheme
In order to realize the stepless speed regulation of the normal gear and the low gear, and the purpose that the rotating speed of the fan is changed little by little and a user feels the most comfortable wind, the invention provides the following technical scheme: the utility model provides a but electric fan speed control mechanism of low-speed breeze stepless speed regulation, includes speed adjusting mechanism, speed adjusting mechanism's inside fixedly connected with speed regulator, speed adjusting mechanism's inside fixedly connected with electric capacity, speed adjusting mechanism's inside fixedly connected with low-speed switch, speed adjusting mechanism's inside fixedly connected with resistance, the inside rotation of speed regulator is connected with the metal rod, the inside fixedly connected with resistance ring of speed regulator, speed adjusting mechanism's bottom fixedly connected with plug, speed adjusting mechanism's left side fixedly connected with support frame, support frame top fixedly connected with motor, motor right side fixedly connected with flabellum.
Preferably, the speed regulator is circular, one end of the metal rod is fixed on a rotating wheel at the center of the speed regulator and is connected with a lead in parallel, the other end of the metal rod is in contact with the resistance ring, the radius of the inner ring of the resistance ring is the same as the length of the metal rod, an insulating material is arranged on the outer side of the metal rod, and no insulating material is arranged at the contact part of the metal rod and the resistance ring.
Preferably, the resistance ring is an incomplete ring, and one end of the resistance ring is provided with a wiring port.
Preferably, the number of the capacitors is two, the two resistors are connected in series, one capacitor is connected with the low-speed switch in parallel, the other capacitor is connected with one resistor in series, and the other resistor is connected to a wiring port of the resistor ring through a wire and connected with the resistor ring in series.
Preferably, the governor and the resistor in series are in parallel relationship with two capacitors and resistors in series.
Preferably, the top and the bottom of the speed regulating mechanism are respectively provided with an electric wire, and the plug is fixedly connected with the speed regulating mechanism through the electric wire.
Preferably, support frame top fixedly connected with motor protective housing, the inside fixedly connected with motor of motor protective housing, the right side fixedly connected with flabellum safety cover of motor protective housing, the flabellum setting is in the flabellum safety cover, and motor and speed adjusting mechanism are the electricity and connect.
(III) advantageous effects
Compared with the prior art, the invention provides a low-speed breeze electric fan speed regulating mechanism capable of realizing stepless speed regulation, which has the following beneficial effects:
1. the speed regulating mechanism of the low-speed breeze electric fan with stepless speed regulation has the advantages that the metal bar, the resistance ring, the resistor, the capacitor and the low-speed switch are matched for use, so that the effect that the fan can carry out stepless speed regulation at a normal gear and a low gear and the rotating speed of the fan blades is changed a little is achieved.
2. The stepless speed regulating function of the speed regulating mechanism of the electric fan capable of realizing stepless speed regulation for low-speed breeze can enable a user to feel the most comfortable wind, the embarrassing situations that the wind is felt to be large at a high gear and is felt to be small at a low gear can be avoided, and the user can not feel hot and dysphoria due to the fact that the wind of the fan is large and the wind of the user is not felt to be small.
Drawings
FIG. 1 is a schematic view of an overall fan structure according to the present invention;
FIG. 2 is a schematic structural diagram of a speed regulating mechanism of the present invention;
fig. 3 is a schematic diagram of the governor of the present invention.
In the figure: 1. a speed regulating mechanism; 2. a speed regulator; 3. a metal rod; 4. a resistance coil; 5. a capacitor; 6. a low speed switch; 7. a resistance; 8. a plug; 9. a support frame; 10. a motor; 11. a fan blade.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-3, a low-speed breeze stepless speed regulation electric fan speed regulation mechanism comprises a speed regulation mechanism 1, a speed regulator 2 is fixedly connected inside the speed regulation mechanism 1, a capacitor 5 is fixedly connected inside the speed regulation mechanism 1, a low-speed switch 6 is fixedly connected inside the speed regulation mechanism 1, a resistor 7 is fixedly connected inside the speed regulation mechanism 1, a metal rod 3 is rotatably connected inside the speed regulator 2, a resistor ring 4 is fixedly connected inside the speed regulator 2, the speed regulator 2 is circular, one end of the metal rod 3 is fixed on a rotating wheel at the center of the circle of the speed regulator 2 and connected with a lead, the other end of the metal rod 3 is in contact with the resistor ring 4, the radius of the inner ring of the resistor ring 4 is the same as the length of the metal rod 3, an insulating material is arranged outside the metal rod 3, and no insulating material is arranged at;
when the metal rod 3 rotates, the other end of the metal rod can always contact with the resistance ring 4 to ensure that a circuit is closed, the resistance ring 4 is an incomplete circular ring, one end of the resistance ring 4 is provided with a wiring port, a part between the resistance ring 4 and the wiring port is connected into the circuit, two capacitors 5 are arranged, two resistors 7 are arranged, two capacitors 5 are connected in series, one capacitor 5 is connected with the low-speed switch 6 in parallel, the other capacitor 5 is connected with one resistor 7 in series, the other resistor 7 is connected onto the wiring port of the resistance ring 4 through a lead and connected with the resistance ring 4 in series, the speed regulator 2 and the resistor 7 which are connected in series are in parallel with the two capacitors 5 and the resistor 7 which are connected in series, the low-speed switch 6 and the capacitor 5 which is connected with the low-speed switch 6 in parallel are not short-circuited, the low-speed switch is in;
the bottom of the speed regulating mechanism 1 is fixedly connected with a plug 8, the top and the bottom of the speed regulating mechanism 1 are respectively provided with an electric wire, and the plug 8 is fixedly connected with the speed regulating mechanism 1 through the electric wire; the left side fixedly connected with support frame 9 of speed adjusting mechanism 1, support frame 9 top fixedly connected with motor 10, motor 10 right side fixedly connected with flabellum 11, support frame 9 top fixedly connected with motor protective housing, the inside fixedly connected with motor 10 of motor protective housing, the right side fixedly connected with flabellum safety cover of motor protective housing, flabellum 11 sets up in the flabellum safety cover, motor 10 and speed adjusting mechanism 1 are the electricity and connect.
The working process and principle are that when the plug 8 is inserted into a power circuit and electrified and the low-speed switch 6 is not pressed, the short circuit of the capacitor 5 connected with the low-speed switch 6 in parallel is not involved in working, the metal rod 3 is rotated to adjust the rotating speed of the motor 10, the part of the contact position of the resistance ring 4 and the metal rod 3 to the wiring port of the resistance ring 4 is connected into the circuit, when the metal rod 3 is rotated anticlockwise, the part of the resistance ring 4 connected into the circuit is longer and longer, the resistance value is larger and larger, the output power of the speed adjusting mechanism 1 is smaller and smaller, the rotating speed of the motor 10 electrically connected with the speed adjusting mechanism 1 is slower and slower, and the fan blade 11 driven by the motor 10 is slower and slower;
the resistance value of the part of the resistance coil 4 connected to the circuit is shorter and shorter by rotating the metal rod 3 clockwise, the output power of the speed regulating mechanism 1 is larger and larger, the rotating speed of a motor 10 electrically connected with the speed regulating mechanism 1 is faster and faster, and the wind is larger and larger as a fan blade 11 driven by the motor 10 rotates faster and faster.
Pressing the low-speed switch 6 to be in a low-speed gear, disconnecting the low-speed switch, and enabling the short-circuit access circuit of the capacitor 5 connected with the low-speed switch 6 in parallel to participate in working, wherein the two capacitors 5 are connected in series, and the formula of the capacitor series connection is as follows:
namely:
it can be known that the capacitance series capacitance is reduced, so the output power of the speed regulating mechanism 1 is reduced, the rotating speed of the motor 10 electrically connected with the speed regulating mechanism 1 is reduced, and at this time, the fan blade 11 rotates at a speed slower than that of the low-speed switch 6 which is not pressed when the metal rod 3 is rotated.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (7)
1. The utility model provides a but low-speed breeze stepless speed regulation's electric fan speed control mechanism, includes speed control mechanism (1), its characterized in that: the inside fixedly connected with speed regulator (2) of speed governing mechanism (1), the inside fixedly connected with electric capacity (5) of speed governing mechanism (1), the inside fixedly connected with low-speed switch (6) of speed governing mechanism (1), the inside fixedly connected with resistance (7) of speed governing mechanism (1), the inside rotation of speed regulator (2) is connected with metal rod (3), the inside fixedly connected with resistance circle (4) of speed regulator (2), the bottom fixedly connected with plug (8) of speed governing mechanism (1), the left side fixedly connected with support frame (9) of speed governing mechanism (1), support frame (9) top fixedly connected with motor (10), motor (10) right side fixedly connected with flabellum (11).
2. A low speed breeze electric fan speed adjustment mechanism of stepless speed regulation according to claim 1, characterized in that: the speed regulator (2) is circular, one end of the metal rod (3) is fixed on a rotating wheel at the center of the speed regulator (2) and connected with a lead, the other end of the metal rod (3) is in contact with the resistance ring (4), the radius of the inner ring of the resistance ring (4) is the same as the length of the metal rod (3), an insulating material is arranged on the outer side of the metal rod (3), and the contact part of the metal rod (3) and the resistance ring (4) is free of the insulating material.
3. A low speed breeze electric fan speed adjustment mechanism of stepless speed regulation according to claim 1, characterized in that: the resistance ring (4) is an incomplete ring, and one end below the resistance ring is provided with a wiring port.
4. A low speed breeze electric fan speed adjustment mechanism of stepless speed regulation according to claim 1, characterized in that: the capacitor (5) is provided with two capacitors (7), the two capacitors (5) are connected in series, one capacitor (5) is connected with the low-speed switch (6) in parallel, the other capacitor (5) is connected with one resistor (7) in series, and the other resistor (7) is connected with the wiring port of the resistor ring (4) in series through a wire.
5. A low speed breeze electric fan speed adjustment mechanism of stepless speed regulation according to claim 1, characterized in that: the resistor coil (4) and the resistor (7) which are connected in series are connected in parallel with the two capacitors (5) and the resistor (7) which are connected in series.
6. A low speed breeze electric fan speed adjustment mechanism of stepless speed regulation according to claim 1, characterized in that: the top and the bottom of the speed regulating mechanism (1) are respectively provided with an electric wire, and the plug (8) is fixedly connected with the speed regulating mechanism (1) through the electric wire.
7. A low speed breeze electric fan speed adjustment mechanism of stepless speed regulation according to claim 1, characterized in that: support frame (9) top fixedly connected with motor protective housing, motor (10) set up in the inside of motor protective housing, the right side fixedly connected with flabellum safety cover of motor protective housing, and flabellum (11) set up in the flabellum safety cover, and motor (10) and speed adjusting mechanism (1) are the electricity and connect.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010673352.9A CN111765112A (en) | 2020-07-14 | 2020-07-14 | Low-speed breeze stepless speed regulation electric fan speed regulation mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010673352.9A CN111765112A (en) | 2020-07-14 | 2020-07-14 | Low-speed breeze stepless speed regulation electric fan speed regulation mechanism |
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| Publication Number | Publication Date |
|---|---|
| CN111765112A true CN111765112A (en) | 2020-10-13 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010673352.9A Pending CN111765112A (en) | 2020-07-14 | 2020-07-14 | Low-speed breeze stepless speed regulation electric fan speed regulation mechanism |
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| CN (1) | CN111765112A (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201007962Y (en) * | 2006-11-29 | 2008-01-16 | 常州云杰电器有限公司 | Electric tools speed regulation switch |
| CN201074607Y (en) * | 2007-07-13 | 2008-06-18 | 汪国泰 | Fan control structure |
| CN102734410A (en) * | 2012-06-28 | 2012-10-17 | 中国矿业大学 | Magnetorheological fluid continuously variable transmission |
| CN108869374A (en) * | 2018-09-14 | 2018-11-23 | 深圳市华海科技研发有限公司 | The method that electric fan increases the control of low speed gentle breeze |
-
2020
- 2020-07-14 CN CN202010673352.9A patent/CN111765112A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201007962Y (en) * | 2006-11-29 | 2008-01-16 | 常州云杰电器有限公司 | Electric tools speed regulation switch |
| CN201074607Y (en) * | 2007-07-13 | 2008-06-18 | 汪国泰 | Fan control structure |
| CN102734410A (en) * | 2012-06-28 | 2012-10-17 | 中国矿业大学 | Magnetorheological fluid continuously variable transmission |
| CN108869374A (en) * | 2018-09-14 | 2018-11-23 | 深圳市华海科技研发有限公司 | The method that electric fan increases the control of low speed gentle breeze |
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Application publication date: 20201013 |
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| RJ01 | Rejection of invention patent application after publication |