CN214736598U - Electric sewing machine - Google Patents
Electric sewing machine Download PDFInfo
- Publication number
- CN214736598U CN214736598U CN202120128857.7U CN202120128857U CN214736598U CN 214736598 U CN214736598 U CN 214736598U CN 202120128857 U CN202120128857 U CN 202120128857U CN 214736598 U CN214736598 U CN 214736598U
- Authority
- CN
- China
- Prior art keywords
- sewing machine
- power supply
- control
- receiver
- chip
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Landscapes
- Sewing Machines And Sewing (AREA)
Abstract
The utility model discloses an electric sewing machine, which comprises a pedal plate body and a sewing machine main body, wherein a control panel is arranged in the pedal plate body; the control panel is provided with a first power supply, a foot switch for controlling the output of the first power supply, an emission chip electrically connected with the foot switch, a high-level tube connected to the signal output end of the emission chip, a first capacitor connected to the collector electrode of the high-level tube and an emission antenna connected to the other end of the first capacitor, the high-level tube is an NPN type triode, and the base electrode of the high-level tube is connected to the signal output end of the emission chip; the transmitting chip is electrified and then transmits a control signal through the transmitting antenna, and a receiver of the sewing machine main body receives the control signal to control the operation of the sewing machine; the receiver receives different codes from the transmitting chip to control different operation actions of the sewing machine. The utility model discloses an electric sewing machine has cancelled the control line, is through the radio signal intercommunication between sewing machine main part and the running-board body. Therefore, the consumption of the internal resistance of the wire is avoided, and the energy is saved and the safety is ensured.
Description
Technical Field
The utility model relates to an electric sewing machine, specific saying so relates to an electric sewing machine.
Background
At present, an electric pedal of an electric sewing machine is connected to a sewing machine main body in a wired mode, and the wired pedal has the following defects:
1. when the control line of the wired pedal is long, the power loss of the power supply is large, and the power supply is easy to burn when the power supply runs at full load;
2. if the control wire of the wired pedal is not stored properly, the child can trip the step movement, and the falling danger is caused. In addition, the control line is caught to cause the risk that the sewing machine main body falls and is damaged or is injured by the sewing machine main body;
3. the mechanical switch has short service life and is unreliable;
4. inconvenient to store and install;
5. the mechanical contact of the control switch is easy to ablate by high current.
Disclosure of Invention
To the deficiency among the prior art, the to-be-solved technical problem of the utility model lies in providing an electric sewing machine, and the purpose of designing this electric sewing machine is to improve electric sewing machine's life, prevents to meet accident.
In order to solve the technical problem, the utility model discloses a following scheme realizes: the utility model relates to an electric sewing machine, which comprises a pedal plate body and a sewing machine main body, wherein a control panel is arranged in the pedal plate body;
the control panel is provided with a first power supply, a foot switch for controlling the output of the first power supply, an emission chip electrically connected with the foot switch, a high-level tube connected to the signal output end of the emission chip, a first capacitor connected to the collector electrode of the high-level tube and an emission antenna connected to the other end of the first capacitor, wherein the high-level tube is an NPN type triode, and the base electrode of the high-level tube is connected to the signal output end of the emission chip;
the sewing machine main body is provided with a receiver, an MCU processor is arranged on the receiver, and the receiver is also provided with a second power supply, a receiving circuit, a first MOS (metal oxide semiconductor) tube and a second MOS tube which are electrically connected with the MCU processor;
the receiving circuit is connected with the MCU processor in a bidirectional mode, a signal receiving end of the receiving circuit is connected with a second capacitor, the other end of the second capacitor is connected with a receiving antenna, a power input terminal of the receiving circuit is connected with the second power supply, and a GND end of the receiving circuit is grounded;
the grid electrode of the first MOS tube is connected with the MCU processor, the drain electrode of the first MOS tube is connected with a second power supply, the source electrode of the first MOS tube is connected with a driving part M, and the driving part M is provided with a grounding terminal;
the grid electrode of the second MOS tube is connected with an I/O pin on the MCU processor, the drain electrode of the second MOS tube is connected with a second power supply, and the source electrode of the second MOS tube is connected with the power-on/off circuit;
the transmitting chip transmits a control signal through the transmitting antenna after being electrified, and a receiver of the sewing machine main body receives the control signal to control the operation of the sewing machine;
the receiver receives different codes from the transmitting chip to control different operation actions of the sewing machine.
Further, the transmitting chip is a radio frequency IC.
Furthermore, the radio signal between the transmitting chip and the receiver adopts a civil frequency band of 45MHz to 48MHz or a civil frequency band of 315MHz to 433MHz or a civil frequency band of 2.4 GHz.
Compared with the prior art, the beneficial effects of the utility model are that: the utility model discloses an electric sewing machine has cancelled the control line, is through the radio signal intercommunication between sewing machine main part and the running-board body. Therefore, the consumption of the internal resistance of the wire is avoided, and the energy is saved and the safety is ensured. The utility model discloses electric sewing machine has not had the wire to lead stumbling to the user accomodates, carries more easily, also uses the family that has child safer. The utility model discloses replace original mechanical switch with first MOS pipe, prolong the life of machine by a wide margin.
Drawings
Fig. 1 is a schematic view of the wireless connection between the sewing machine body and the pedal body according to the present invention.
Fig. 2 is a schematic circuit diagram of the receiver of the present invention.
Fig. 3 is a schematic diagram of a control panel circuit on the pedal body of the present invention.
Detailed Description
The technical solution 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, so that the advantages and features of the present invention can be more easily understood by those skilled in the art, thereby making more clear and definite definitions of the protection scope of the present invention. It is obvious that the described embodiments of the invention are only some of the embodiments of the invention, and not all of them. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; the two elements may be directly connected or indirectly connected through an intermediate medium, or may be communicated with each other inside the two elements, or may be wirelessly connected or wired connected. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Furthermore, the technical features mentioned in the different embodiments of the invention described below can be combined with each other as long as they do not conflict with each other.
Example 1: the utility model discloses a concrete structure as follows:
referring to fig. 1-3, the electric sewing machine of the present invention comprises a pedal body 2 and a sewing machine main body 1, wherein the pedal body 2 has a control panel therein;
the control panel is provided with a first power supply, a foot switch for controlling the output of the first power supply, an emission chip electrically connected with the foot switch, a high-level tube connected to the signal output end of the emission chip, a first capacitor connected to the collector electrode of the high-level tube and an emission antenna connected to the other end of the first capacitor, wherein the high-level tube is an NPN type triode, and the base electrode of the high-level tube is connected to the signal output end of the emission chip;
the sewing machine main body 1 is provided with a receiver, an MCU processor is arranged on the receiver, and the receiver is also provided with a second power supply, a receiving circuit, a first MOS (metal oxide semiconductor) tube and a second MOS tube which are electrically connected with the MCU processor;
the receiving circuit is connected with the MCU processor in a bidirectional mode, a signal receiving end of the receiving circuit is connected with a second capacitor, the other end of the second capacitor is connected with a receiving antenna, a power input terminal of the receiving circuit is connected with the second power supply, and a GND end of the receiving circuit is grounded;
the grid electrode of the first MOS tube is connected with the MCU processor, the drain electrode of the first MOS tube is connected with a second power supply, the source electrode of the first MOS tube is connected with a driving part M, and the driving part M is provided with a grounding terminal;
the grid electrode of the second MOS tube is connected with an I/O pin on the MCU processor, the drain electrode of the second MOS tube is connected with a second power supply, and the source electrode of the second MOS tube is connected with the power-on/off circuit;
the transmitting chip transmits a control signal through the transmitting antenna after being electrified, and a receiver of the sewing machine main body receives the control signal to control the operation of the sewing machine;
the receiver receives different codes from the transmitting chip to control different operation actions of the sewing machine.
A preferred technical solution of this embodiment: the transmitting chip is a wireless radio frequency IC.
A preferred technical solution of this embodiment: the radio signal between the transmitting chip and the receiver adopts a civil frequency band of 45 MHz-48 MHz or a civil frequency band of 315 MHz-433 MHz or a civil frequency band of 2.4 GHz.
Example 2:
the utility model discloses an electric sewing machine replaces wired control with wireless control mainly, and the frequency of radio is civilian open frequency channel 433 MHz. The wireless foot switch power supply supplies power for 3-12V of the battery, when the foot switch is stepped on, the battery is switched on to supply power for the wireless radio frequency IC, the wireless radio frequency IC transmits a group of codes at the moment, the receiver receives code signals, after the receiver on the sewing machine main body receives control request signals transmitted by the transmitting end, according to the codes, an I/O port on the MCU processor transmits corresponding control signals of starting, shutting down or running and the like, and the first MOS pipe is switched on or off after receiving the control signals of the MCU processor; or at a duty cycle to control the machine speed in a PWM (pulse width modulation) manner.
To sum up, the utility model discloses an electric sewing machine has cancelled the control line, is through the radio signal intercommunication between sewing machine main part and the running-board body. Therefore, the consumption of the internal resistance of the wire is avoided, and the energy is saved and the safety is ensured. The utility model discloses electric sewing machine has not had the wire to lead stumbling to the user accomodates, carries more easily, also uses the family that has child safer. The utility model discloses replace original mechanical switch with first MOS pipe, prolong the life of machine by a wide margin.
The above only is the preferred embodiment of the present invention, not limiting the scope of the present invention, all the equivalent structures or equivalent flow changes made by the contents of the specification and the drawings, or directly or indirectly applied to other related technical fields, are included in the same way in the protection scope of the present invention.
Claims (3)
1. The electric sewing machine comprises a pedal plate body (2) and a sewing machine main body (1), and is characterized in that a control plate is arranged in the pedal plate body (2);
the control panel is provided with a first power supply, a foot switch for controlling the output of the first power supply, an emission chip electrically connected with the foot switch, a high-level tube connected to the signal output end of the emission chip, a first capacitor connected to the collector electrode of the high-level tube and an emission antenna connected to the other end of the first capacitor, wherein the high-level tube is an NPN type triode, and the base electrode of the high-level tube is connected to the signal output end of the emission chip;
the sewing machine main body (1) is provided with a receiver, an MCU processor is arranged on the receiver, and the receiver is also provided with a second power supply, a receiving circuit, a first MOS tube and a second MOS tube which are electrically connected with the MCU processor;
the receiving circuit is connected with the MCU processor in a bidirectional mode, a signal receiving end of the receiving circuit is connected with a second capacitor, the other end of the second capacitor is connected with a receiving antenna, a power input terminal of the receiving circuit is connected with the second power supply, and a GND end of the receiving circuit is grounded;
the grid electrode of the first MOS tube is connected with the MCU processor, the drain electrode of the first MOS tube is connected with a second power supply, the source electrode of the first MOS tube is connected with a driving part M, and the driving part M is provided with a grounding terminal;
the grid electrode of the second MOS tube is connected with an I/O pin on the MCU processor, the drain electrode of the second MOS tube is connected with a second power supply, and the source electrode of the second MOS tube is connected with the power-on/off circuit;
the transmitting chip transmits a control signal through the transmitting antenna after being electrified, and a receiver of the sewing machine main body receives the control signal to control the operation of the sewing machine;
the receiver receives different codes from the transmitting chip to control different operation actions of the sewing machine.
2. The electric sewing machine of claim 1, wherein the transmitting chip is a radio frequency IC.
3. The electric sewing machine of claim 1, wherein the radio signal between the transmitting chip and the receiver is in a civil band of 45MHz to 48MHz or in a civil band of 315MHz to 433MHz or in a civil band of 2.4 GHz.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120128857.7U CN214736598U (en) | 2021-01-18 | 2021-01-18 | Electric sewing machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120128857.7U CN214736598U (en) | 2021-01-18 | 2021-01-18 | Electric sewing machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214736598U true CN214736598U (en) | 2021-11-16 |
Family
ID=78639966
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120128857.7U Active CN214736598U (en) | 2021-01-18 | 2021-01-18 | Electric sewing machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214736598U (en) |
-
2021
- 2021-01-18 CN CN202120128857.7U patent/CN214736598U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN204652019U (en) | A kind of two-wheel balance electric car with wireless charging function | |
| CN214736598U (en) | Electric sewing machine | |
| CN214590727U (en) | Charging device | |
| CN110209219A (en) | A kind of anti-freezing type Wireless Communication Equipment for mobile communication base station | |
| CN204886393U (en) | A power control system for intelligent gas meter | |
| CN209118477U (en) | A kind of low power consumption data transmitting device based on NB-IoT | |
| CN110365097B (en) | Remote control emergency power supply | |
| CN112596419A (en) | Electric automobile and awakening circuit of driving motor controller thereof | |
| CN204425030U (en) | For the power control system of intelligent gas meter | |
| CN209088186U (en) | A kind of household light fixtures intelligent control socket | |
| CN106100685A (en) | A kind of power switching device based on low-power consumption Bluetooth technology | |
| CN215268800U (en) | Special low-temperature LED power supply | |
| CN211959610U (en) | Wireless switch | |
| CN104143841A (en) | Positioning tracking circuit and device for container trailer frame | |
| CN219609785U (en) | Radio frequency remote control circuit, radio frequency receiving circuit and radio frequency control system | |
| CN104901413B (en) | A kind of power control system for intelligent gas meter | |
| CN201461352U (en) | Concrete conveying pump wireless full-featured remote control device | |
| CN205508100U (en) | A GSM communication equipment for commercial cold chain | |
| CN217817319U (en) | Lora wireless intelligent air conditioner controller | |
| CN214481404U (en) | Thing networking remote control's photovoltaic street lamp | |
| CN217213944U (en) | Infrared remote control circuit of integrated bluetooth intelligence pronunciation | |
| CN212366928U (en) | Socket based on wireless power supply technology | |
| CN221489537U (en) | Infrared study intelligent cushion | |
| CN209562526U (en) | A kind of adjustable pulse generator of frequency | |
| CN219678714U (en) | Wireless control silicon controlled rectifier light modulator |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |