CN214799341U - Handheld mixer motor control circuit and handheld mixer - Google Patents
Handheld mixer motor control circuit and handheld mixer Download PDFInfo
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- CN214799341U CN214799341U CN202121192138.8U CN202121192138U CN214799341U CN 214799341 U CN214799341 U CN 214799341U CN 202121192138 U CN202121192138 U CN 202121192138U CN 214799341 U CN214799341 U CN 214799341U
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Abstract
The utility model relates to a motor control circuit of a hand-held mixer, which is used for controlling the motor of the hand-held mixer and comprises an alternating current power supply, an alternating current conversion direct current circuit, a switch circuit, a stepless gear adjusting circuit, a silicon controlled device and a motor drive circuit; the alternating current power supply is electrically connected with the input end of the alternating current conversion direct current circuit, and the alternating current power supply is respectively electrically connected with the stepless gear adjusting circuit and the motor driving circuit through the switch circuit; the stepless gear adjusting circuit is electrically connected with the motor driving circuit through a silicon controlled device; the output end of the motor driving circuit is electrically connected with the motor; the voltage output end of the alternating current-to-direct current conversion circuit is electrically connected with the voltage input end of the stepless gear adjusting circuit and the silicon controlled device respectively. Through the utility model discloses a handheld mixer of handheld mixer motor control circuit control, easy and simple to handle, can adjust the permanent moment of torsion of load, export the stirring rotational speed that is fit for, have low noise, advantage that durability can be high.
Description
Technical Field
The utility model relates to a mixer technical field, in particular to handheld mixer motor control circuit and handheld mixer.
Background
Along with the improvement of living standard of people, people pay more and more attention to conditioning the body through dietotherapy, the requirements on various handheld mixers are also greatly improved, and the handheld mixers are promoted to continuously carry out technical innovation. The hand-held mixer is a small kitchen appliance which integrates the functions of fruit juice squeezing, milk shake making, cream stirring, meat grinding, ice crushing and the like and is used for making various foods such as fruit juice, jam, dry powder, ice crushing, meat stuffing, salad, cake and the like.
Many different types of handheld mixers appear in the market, and when an operator uses the handheld mixer to perform whipping work, the rotating speed of the motor needs to be adjusted and controlled according to different application requirements. However, when the existing hand-held stirring machine stirs food with different power loads, the motor has insufficient torque, the rotating speed fluctuates continuously, and the food stirring effect is not ideal; meanwhile, the efficiency of stirring food is met by improving the no-load rotating speed of the motor of the conventional handheld stirrer, the high noise (more than or equal to 85dB) caused by the high-speed rotation of the motor is generated, the fluctuation of the rotating speed of the motor is large when different power loads of food are stirred, the abrasion of a carbon brush of the motor is serious, the durability in use is poor, the general quality guarantee period is 1-2 years, and the experience effect of a user is seriously influenced.
SUMMERY OF THE UTILITY MODEL
The utility model aims at overcoming the defects of the prior art and providing a handheld stirrer motor control circuit and a handheld stirrer, wherein the handheld stirrer is controlled by the handheld stirrer motor control circuit, the operation is simple and convenient, and the handheld stirrer can output proper stirring rotating speed according to different food loads and constant torque; meanwhile, the rubber sealing ring has the characteristics of low noise and high durability.
The purpose of the utility model is realized through the following technical scheme:
a motor control circuit of a handheld mixer is used for controlling a motor of the handheld mixer and comprises an alternating current power supply, an alternating current-to-direct current conversion circuit, a switching circuit, a stepless gear adjusting circuit, a silicon controlled device and a motor driving circuit; the alternating current power supply is electrically connected with the input end of the alternating current conversion direct current circuit, and the alternating current power supply is respectively electrically connected with the stepless gear adjusting circuit and the motor driving circuit through the switch circuit; the stepless gear adjusting circuit is electrically connected with the motor driving circuit through a silicon controlled device; the output end of the motor driving circuit is electrically connected with the motor; and the voltage output end of the alternating current-to-direct current conversion circuit is electrically connected with the voltage input end of the stepless gear adjusting circuit and the silicon controlled device respectively.
Further, the switch circuit comprises a first SPDT switch and a second SPDT switch, and the movable endpoint of the first SPDT switch and the movable endpoint of the second SPDT switch are respectively and electrically connected with an AC power supply ACL end; the first fixed end point of the first SPDT switch is electrically connected with the first input end of the stepless gear adjusting circuit and the first input end of the motor driving circuit respectively, and the second fixed end point of the first SPDT switch is electrically connected with the second input end of the stepless gear adjusting circuit; the first fixed end point of the second SPDT switch is electrically connected with the first input end of the motor driving circuit, and the second fixed end point of the second SPDT switch is electrically connected with the third input end of the stepless gear adjusting circuit.
Furthermore, the signal output end of the stepless gear adjusting circuit is electrically connected with a control electrode of a silicon controlled device, and a first main electrode of the silicon controlled device is electrically connected with a second input end of the motor driving circuit; and the second main electrode of the silicon controlled rectifier is electrically connected with the voltage output end of the alternating current conversion direct current circuit.
Furthermore, the motor control circuit of the hand-held stirrer also comprises a voltage regulating circuit; and two ends of the voltage regulating circuit are respectively and electrically connected with the control electrode of the silicon controlled device and the second main electrode.
Furthermore, the motor control circuit of the hand-held mixer also comprises a variable resistor and a speed adjusting component; the speed adjusting component is electrically connected with the stepless gear adjusting circuit, is arranged corresponding to the variable resistor and is used for changing the resistance value of the variable resistor.
A hand-held mixer comprises a power line, a shell, a switch, a transmission mechanism, a mixing part, a motor and a singlechip control board assembly; the transmission mechanism, the stirring part, the motor and the singlechip control panel assembly are arranged in the shell, and the motor and the stirring part are respectively connected with the transmission mechanism; the single chip microcomputer control panel assembly comprises a Hall element and a handheld stirrer motor control circuit; the switch, the power line and the motor are respectively electrically connected with a motor control circuit of the handheld stirrer, a motor cover is arranged at the upper end of the motor, a ferrite magnetic ring is arranged on the upper surface of the motor cover, and the Hall element is arranged on the outer side of the ferrite magnetic ring.
Furthermore, the induction distance between the Hall element and the ferrite magnetic ring is 0.5 mm-2 mm.
The utility model has the advantages that: the utility model provides a pair of handheld mixer motor control circuit reaches handheld mixer including this circuit, handheld mixer motor control circuit is used for controlling the soft start and the constant moment of torsion, the constant speed operation of the motor of mixer, can accurate detection motor speed signal and feed back to handheld mixer motor control circuit's singlechip through hall element and carry out speed compensation, realizes motor constant moment of torsion power take off and silence work (≦ 65 dB). The stirrer provided by the utility model is simple and convenient to operate, and can output proper stirring rotating speed according to different food loads and constant torque; meanwhile, the rubber sealing ring has the characteristics of low noise and high durability.
Drawings
Fig. 1 is a schematic structural diagram of a motor control circuit of the hand-held stirring machine of the present invention.
Fig. 2 is a schematic view of the structure of the hand-held stirring machine of the present invention.
Fig. 3 is a schematic structural diagram of a part a of the structure of the hand-held mixer of the present invention.
Detailed Description
The present invention will be described in further detail with reference to the following examples and drawings, but the present invention is not limited thereto.
The first embodiment is as follows:
as shown in fig. 1, a motor control circuit for a hand-held mixer is used for controlling a motor of the hand-held mixer, and comprises an alternating current power supply, an alternating current-to-direct current conversion circuit, a switching circuit, a stepless gear adjusting circuit, a silicon controlled device and a motor driving circuit. The alternating current power supply is electrically connected with the input end of the alternating current conversion direct current circuit, and the alternating current power supply is respectively electrically connected with the stepless gear adjusting circuit and the motor driving circuit through the switch circuit; the stepless gear adjusting circuit is electrically connected with the motor driving circuit through a silicon controlled device; the output end of the motor driving circuit is electrically connected with the motor; the stepless gear adjusting circuit generates a trigger signal for indicating the rotating speed of the adjusting motor and a motor control signal for adjusting the rotating speed of the motor; the motor driving circuit receives the motor control signal and drives the motor according to the motor control signal. The voltage output end of the alternating current-to-direct current conversion circuit is electrically connected with the voltage input end of the stepless gear adjusting circuit and the silicon controlled device respectively. When the silicon controlled rectifier device or the switch circuit is conducted, the alternating current conversion direct current circuit converts the alternating current voltage of the alternating current power supply into the direct current voltage, and the direct current voltage is provided for the stepless gear adjusting circuit and the motor.
The switch circuit comprises a first SPDT switch and a second SPDT switch, and the movable endpoint of the first SPDT switch and the movable endpoint of the second SPDT switch are respectively and electrically connected with an AC power supply ACL end; a first fixed endpoint of the first SPDT switch is electrically connected with a first input end of the stepless gear adjusting circuit and a first input end of the motor driving circuit respectively, and a second fixed endpoint of the first SPDT switch is electrically connected with a second input end of the stepless gear adjusting circuit; the first fixed end point of the second SPDT switch is electrically connected with the first input end of the motor driving circuit, and the second fixed end point of the second SPDT switch is electrically connected with the third input end of the stepless gear adjusting circuit.
The signal output end of the stepless gear adjusting circuit is electrically connected with the control electrode of the silicon controlled device, and a first main electrode of the silicon controlled device is electrically connected with a second input end of the motor driving circuit; and the second main electrode of the silicon controlled rectifier is electrically connected with the voltage output end of the alternating current conversion direct current circuit.
The motor control circuit of the hand-held mixer also comprises a voltage regulating circuit; two ends of the voltage regulating circuit are respectively and electrically connected with the control electrode of the silicon controlled rectifier and the second main electrode. When the silicon controlled rectifier device is conducted, the voltage regulating circuit regulates the voltage input into the motor by the power supply.
The motor control circuit of the hand-held mixer also comprises a variable resistor and a speed adjusting part; the speed adjusting component is electrically connected with the stepless gear adjusting circuit, is arranged corresponding to the variable resistor and is used for changing the resistance value of the variable resistor.
Example two:
as shown in fig. 2 and 3, a hand mixer comprises a power cord 1, a housing 2, a switch 3, a transmission mechanism (not shown in the internal structure diagram), a mixing part 4, a motor 5 and a single chip microcomputer control board assembly; the transmission mechanism, the stirring part 4, the motor 5 and the singlechip control board assembly are arranged in the shell. The motor 5 and the stirring part 4 are respectively connected with a transmission mechanism; the singlechip control panel assembly comprises a Hall element 6 and a handheld stirrer motor control circuit (not shown in an internal structure diagram) in the first embodiment; the switch 3, the power line 1 and the motor 5 are respectively electrically connected with a motor control circuit of the hand-held stirring machine, the upper end of the motor is provided with a motor cover 7, the upper surface of the motor cover is provided with a ferrite magnetic ring 8, and the Hall element 6 is arranged outside the ferrite magnetic ring.
The induction distance between the Hall element 6 and the ferrite bead 8 is 0.5 mm-2 mm.
It should be noted that the above-mentioned embodiments are only preferred embodiments of the present invention and the technical principles applied, and any changes, modifications, substitutions, combinations, and simplifications made by those skilled in the art without departing from the spirit and principle of the present invention should be considered as equivalent replacement modes within the scope of the present invention.
Claims (7)
1. A handheld mixer motor control circuit for controlling a handheld mixer motor, comprising:
the device comprises an alternating current power supply, an alternating current-to-direct current conversion circuit, a switching circuit, a stepless gear adjusting circuit, a silicon controlled rectifier and a motor driving circuit;
the alternating current power supply is electrically connected with the input end of the alternating current conversion direct current circuit, and the alternating current power supply is respectively electrically connected with the stepless gear adjusting circuit and the motor driving circuit through the switch circuit;
the stepless gear adjusting circuit is electrically connected with the motor driving circuit through a silicon controlled device;
the output end of the motor driving circuit is electrically connected with the motor;
and the voltage output end of the alternating current-to-direct current conversion circuit is electrically connected with the voltage input end of the stepless gear adjusting circuit and the silicon controlled device respectively.
2. The hand-held blender motor control circuit of claim 1, wherein: the switch circuit comprises a first SPDT switch and a second SPDT switch, and the movable endpoint of the first SPDT switch and the movable endpoint of the second SPDT switch are respectively and electrically connected with an AC power supply ACL end; the first fixed end point of the first SPDT switch is electrically connected with the first input end of the stepless gear adjusting circuit and the first input end of the motor driving circuit respectively, and the second fixed end point of the first SPDT switch is electrically connected with the second input end of the stepless gear adjusting circuit; the first fixed end point of the second SPDT switch is electrically connected with the first input end of the motor driving circuit, and the second fixed end point of the second SPDT switch is electrically connected with the third input end of the stepless gear adjusting circuit.
3. The hand-held blender motor control circuit of claim 1, wherein: the signal output end of the stepless gear adjusting circuit is electrically connected with a control electrode of a silicon controlled device, and a first main electrode of the silicon controlled device is electrically connected with a second input end of the motor driving circuit; and the second main electrode of the silicon controlled rectifier is electrically connected with the voltage output end of the alternating current conversion direct current circuit.
4. A hand mixer motor control circuit as defined in claim 3 in which: the motor control circuit of the hand-held stirrer further comprises a voltage regulating circuit; and two ends of the voltage regulating circuit are respectively and electrically connected with the control electrode of the silicon controlled device and the second main electrode.
5. The hand-held blender motor control circuit of claim 1, wherein: the handheld mixer motor control circuit also comprises a variable resistor and a speed adjusting part; the speed adjusting component is electrically connected with the stepless gear adjusting circuit, is arranged corresponding to the variable resistor and is used for changing the resistance value of the variable resistor.
6. A hand-held mixer comprises a power line, a shell, a switch, a transmission mechanism, a mixing part, a motor and a singlechip control board assembly; drive mechanism, stirring portion, motor and singlechip control panel subassembly set up in the casing, its characterized in that: the motor and the stirring part are respectively connected with the transmission mechanism; the single chip microcomputer control panel component comprises a Hall element and a handheld mixer motor control circuit according to any one of claims 1-5; the switch, the power line and the motor are respectively electrically connected with a motor control circuit of the handheld stirrer, a motor cover is arranged at the upper end of the motor, a ferrite magnetic ring is arranged on the upper surface of the motor cover, and the Hall element is arranged on the outer side of the ferrite magnetic ring.
7. A hand-held mixer according to claim 6 wherein: the induction distance between the Hall element and the ferrite magnetic ring is 0.5 mm-2 mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121192138.8U CN214799341U (en) | 2021-05-31 | 2021-05-31 | Handheld mixer motor control circuit and handheld mixer |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121192138.8U CN214799341U (en) | 2021-05-31 | 2021-05-31 | Handheld mixer motor control circuit and handheld mixer |
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| Publication Number | Publication Date |
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| CN214799341U true CN214799341U (en) | 2021-11-19 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202121192138.8U Active CN214799341U (en) | 2021-05-31 | 2021-05-31 | Handheld mixer motor control circuit and handheld mixer |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2024087321A1 (en) * | 2022-10-28 | 2024-05-02 | 孙自立 | Speed regulation apparatus for immersion blender |
-
2021
- 2021-05-31 CN CN202121192138.8U patent/CN214799341U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2024087321A1 (en) * | 2022-10-28 | 2024-05-02 | 孙自立 | Speed regulation apparatus for immersion blender |
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