WO2020111758A1 - Contenant électrique ayant une position d'installation de relais améliorée - Google Patents

Contenant électrique ayant une position d'installation de relais améliorée Download PDF

Info

Publication number
WO2020111758A1
WO2020111758A1 PCT/KR2019/016434 KR2019016434W WO2020111758A1 WO 2020111758 A1 WO2020111758 A1 WO 2020111758A1 KR 2019016434 W KR2019016434 W KR 2019016434W WO 2020111758 A1 WO2020111758 A1 WO 2020111758A1
Authority
WO
WIPO (PCT)
Prior art keywords
power module
voltage
resistor
terminals
power
Prior art date
Application number
PCT/KR2019/016434
Other languages
English (en)
Korean (ko)
Inventor
박원경
장호용
박승제
김동현
권경준
Original Assignee
엘지전자 주식회사
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Priority claimed from KR1020180153032A external-priority patent/KR102676479B1/ko
Priority claimed from KR1020190145638A external-priority patent/KR20210058323A/ko
Application filed by 엘지전자 주식회사 filed Critical 엘지전자 주식회사
Publication of WO2020111758A1 publication Critical patent/WO2020111758A1/fr

Links

Images

Classifications

    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47J—KITCHEN EQUIPMENT; COFFEE MILLS; SPICE MILLS; APPARATUS FOR MAKING BEVERAGES
    • A47J27/00—Cooking-vessels
    • A47J27/21—Water-boiling vessels, e.g. kettles
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47J—KITCHEN EQUIPMENT; COFFEE MILLS; SPICE MILLS; APPARATUS FOR MAKING BEVERAGES
    • A47J27/00—Cooking-vessels
    • A47J27/21—Water-boiling vessels, e.g. kettles
    • A47J27/212—Water-boiling vessels, e.g. kettles with signaling means, e.g. whistling kettles
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B3/00—Ohmic-resistance heating
    • H05B3/02—Details

Definitions

  • the present invention relates to an electric port with improved relay installation position.
  • an electric port is a device for boiling and keeping a fluid such as water. Since the electric pot is a device that can boil water more easily than a gas range, it is used for boiling water when drinking coffee or tea. In addition, the electric pot has the advantage of being able to boil water easily, so it can be used for various purposes such as boiling ramen, warming soup, stew, or steaming food.
  • FIGS. 1 and 2 a configuration of a conventional electric port is illustrated. Referring to this, the conventional electric port will be described.
  • FIG. 1 is a cross-sectional view illustrating a conventional electric port.
  • 2 is a block diagram illustrating a configuration provided in the electric port of FIG. 1.
  • FIGS. 1 and 2 are drawings shown in the US published patent (US2012/0091117Al), and the reference numerals used in FIGS. 1 and 2 are applied only to FIGS. 1 and 2.
  • a conventional electric port includes a base 1 and a body 2 that are detachably coupled to each other.
  • the base 1 is provided with a first power board 11, a relay 12, a first wireless IC module 13, a wireless receiver 14, and the like
  • the body 2 has a second power board 21 ), a second wireless IC module 22, a wireless transmitter 23, a thermistor 25, a heater 27, and the like are provided.
  • the base 1 and the body 2 are detachably coupled by the connecting portions 16 and 28, and are electrically connected.
  • the relay 12 is provided on the base 1. Therefore, it is necessary to transmit the temperature information sensed by the thermistor 25 of the body 2 to the base 1 for driving the relay 12.
  • the wireless transmitter 23 is installed in the lower portion of the body 2 to transmit the temperature information in a wireless communication method
  • the wireless receiver 14 is installed in the base (1).
  • the base 1 and the body 2 need to be equipped with a micom (ie, a microcomputer) for processing transceiver and communication data, which increases manufacturing cost. there is a problem.
  • a micom ie, a microcomputer
  • the lower temperature of the body 2 may be increased by the heater 27, and thereby, the communication performance of the wireless transmitter 23 installed under the body 2 may deteriorate.
  • FIG. 3 is a schematic diagram illustrating a conventional electric port to which a 4-terminal type power module is applied.
  • 4 is a schematic diagram illustrating a conventional electric port to which a 6-terminal type power module is applied.
  • the port body is omitted in FIG. 4 for convenience of description.
  • a conventional electric port includes a pedestal 100 (corresponding to the base of FIG. 1) and a port body 200 (corresponding to the body of FIG. 1) that are detachably coupled to each other. do.
  • control unit 210 and relays RL1 and RL2 are installed in the port body 200.
  • control unit 210 when the control unit 210 is installed in the port body 200, four-terminal power modules PM1 and PM2 are used for the pedestal 100 and the port body 200, and the relays RL1 and RL2 are ports. It is inevitably installed in the lower portion of the main body 200.
  • the user generally lifts the pot body 200 without pouring the pedestal 100 and pours boiled water into the cup or container. Accordingly, there is a problem that the relays RL1 and RL2 installed under the port body 200 of the electric port may be damaged due to frequent movement of the port body 200.
  • An object of the present invention is to provide an electric port with improved relay installation position.
  • an object of the present invention is to provide an electric port capable of relay control through a simple circuit configuration without a separate communication means.
  • an object of the present invention is to provide an electric port capable of preventing sparking of the circuit.
  • the electric port according to the present invention includes a pedestal equipped with a relay unit, the relay installation position can be improved.
  • the electric port according to the present invention is a first voltage regulator and a first resistor connected between some terminals of the first power module, and a voltage detected between the first resistor and some terminals of the first power module is a preset reference voltage
  • a port including a pedestal including a comparator for controlling the switching operation of the relay unit in comparison with the second power module and a buck converter, and a second resistor connected in parallel with the second voltage regulator and a switch portion connected in series with the second resistor.
  • the first resistor may include two or more first sub-resistors, and the two or more first sub-resistors may be connected in series, connected in parallel, or connected in series and parallel.
  • the second resistor includes two or more second sub-resistors, and the two or more second sub-resistors may be connected in series, connected in parallel, or connected in series and in parallel.
  • the port body may include a first zener diode for preventing sparking and a first diode for preventing reverse current.
  • the relay installation position can be improved, and through this, the possibility of damage to the relay can be minimized.
  • the relay unit can be provided on the pedestal without a 6-terminal power module, thereby reducing the diameter of the product and satisfying product specifications.
  • the electric port according to the present invention can control the relay through a simple circuit configuration without a separate communication means, thereby reducing manufacturing cost.
  • the electric port according to the present invention can improve the reliability of the circuit.
  • the electric port according to the present invention can prevent sparking and reverse current to prevent damage to elements in the circuit, thereby increasing the life of the electric port.
  • 1 is a cross-sectional view illustrating a conventional electric port.
  • FIG. 2 is a block diagram illustrating a configuration provided in the electric port of FIG. 1.
  • FIG. 3 is a schematic diagram illustrating a conventional electric port to which a 4-terminal type power module is applied.
  • FIG. 4 is a schematic diagram illustrating a conventional electric port to which a 6-terminal type power module is applied.
  • FIG. 5 is a perspective view illustrating an electric port according to an embodiment of the present invention.
  • FIG. 6 is an exploded perspective view illustrating the electric port of FIG. 5.
  • FIG. 7 is a cross-sectional view of the pedestal of FIG. 5.
  • FIG. 8 is a cross-sectional view of the port body of FIG. 5.
  • FIG. 9 is a schematic diagram for explaining a relay control structure of the electric port shown in FIG. 5 according to the first embodiment of the present invention.
  • FIG. 10 is a voltage distribution graph for explaining the operation mechanism of the comparator of FIG. 9.
  • FIG. 11 is a schematic diagram for explaining a relay control structure of the electric port shown in FIG. 5 according to the second embodiment of the present invention.
  • FIG. 12 is a view showing a connection relationship between sub-resistors in first and second resistors according to a second embodiment of the present invention.
  • FIG. 13 is a schematic diagram for explaining a relay control structure of the electric port shown in FIG. 5 according to the third embodiment of the present invention.
  • the arrangement of any component in the "upper (or lower)” or “upper (or lower)” of the component means that the arbitrary component is disposed in contact with the upper surface (or lower surface) of the component.
  • FIG. 5 is a perspective view illustrating an electric port according to an embodiment of the present invention.
  • 6 is an exploded perspective view illustrating the electric port of FIG. 5.
  • 7 is a cross-sectional view of the pedestal of FIG. 5.
  • 8 is a cross-sectional view of the port body of FIG. 5.
  • the electric port 1 includes a pedestal 100, a port body 200, a lid 400, an upper portion of the port body 500, and a handle (600), may include a port body lower coupling portion 700.
  • the pedestal 100 may be detachably coupled to the bottom of the port body 200.
  • the pedestal 100 may be coupled to the lower end of the port body 200 to support the port body 200.
  • the power cable connected to the external power source that is, the power supply unit 300 of FIG. 9
  • power may be supplied from the external power source to the port body 200.
  • a first power module PM1 formed to protrude upward is provided at an upper end of the pedestal 100.
  • the first power module PM1 may have a cylindrical shape protruding upward from the upper center portion of the pedestal 100.
  • the first power module PM1 is electrically connected to the second power module PM2 through male and female coupling with the second power module PM2 provided in the port body 200, and through this, the pedestal 100 ) May transmit power supplied from an external power source to the port body 200.
  • the first power module PM1 may be electrically connected to the heater (220 of FIG. 9) of the port main body 200 by male and female coupling to the second power module PM2.
  • the port body 200 may be detachably coupled to the top of the pedestal 100, and the contents (for example, water or beverage) may be contained therein.
  • a space for accommodating contents exists inside the port body 200, and a heater (heater 220 of FIG. 9) for heating the contents is provided. .
  • the top of the port body 200 may be coupled to the top of the port body 200.
  • a user may input contents into the port body 200 through the open top of the port body 200.
  • the material of the port body 200 may be insulated and insulated to maintain the temperature of the content for a long time, and the port body 200 may be formed in a cylindrical shape, but is not limited thereto.
  • a second power module PM2 that is male and female coupled with the first power module PM1 is provided at a lower end of the port body 200.
  • the second power module PM2 may be electrically connected to the first power module PM1 through male and female coupling with the first power module PM1 provided on the pedestal 100, and through this, the port body 200 ) May be supplied with power from the pedestal 100.
  • the lid 400 may be detachably coupled to the top of the port body top coupling portion 500.
  • the lid 400 is coupled to the upper end of the port body top coupling portion 500 to serve to cover the open top of the port body 200.
  • the lid 400 is coupled to the upper portion of the port body 500, so that the contents contained in the port body 200 can be discharged to the outside only through the outlet 550 of the port body top portion 500.
  • the upper surface of the lid 400 is provided with a handle portion 450 protruding upward, and the user can detach the lid 400 from the upper portion of the port body 500 using the handle portion 450. have.
  • the port body top coupling part 500 may be coupled between the top of the port body 200 and the bottom of the lid 400.
  • the upper portion of the port body 500 is coupled between the port body 200 and the lid 400, and the upper and lower ends of the upper portion of the port body 500 may be opened. Accordingly, the user can inject the contents into the port body 200 through the upper portion of the upper port body 500, the upper and lower ends are opened after lifting the lid 400. Further, a discharge port 550 is formed at one side of the upper end of the port body upper coupling part 500, so that the user tilts the port body 200 even when the lid 400 is coupled to the upper body 500 of the port body. Depending on the degree, the contents contained in the inside of the port body 200 may be discharged to the outside through the outlet 550.
  • the outlet 550 may be in communication with the inner space of the port body 200 to enable external discharge of contents contained in the port body 200.
  • handle coupling portion 570 is provided on one side of the port body top coupling portion 500, and the handle 600 may be inserted and coupled to the handle coupling portion 570.
  • the handle 600 is inserted and coupled to the handle engaging portion 570 and may have a pillar shape that is easily gripped by a user.
  • a touch substrate (not shown) and an electric port (not shown) with a metal touch sensor (for example, a piezo disk) attached to an upper portion 630 of the handle 600 (that is, a portion inserted into the handle engaging portion 570)
  • Various parts (not shown) related to driving and control of 1) may be provided.
  • the port body bottom coupling portion 700 may be coupled between the bottom of the port body 200 and the top of the pedestal 100.
  • the lower portion of the port body 700 may be coupled between the port body 200 and the pedestal 100.
  • the insertion hole 710 is formed in the center of the lower body coupling portion 700, the first power module PM1 of the pedestal 100 may be inserted into the insertion hole 710.
  • the electric port 1 has the above-described configuration and features.
  • a relay control structure provided in the electric port of FIG. 5 will be described with reference to the following drawings.
  • FIG. 9 is a schematic diagram for explaining a relay control structure of the electric port shown in FIG. 5 according to the first embodiment of the present invention.
  • FIG. 10 is a voltage distribution graph for explaining the operation mechanism of the comparator of FIG. 9.
  • the pedestal 100 may be electrically connected to the port body 200 through male and female coupling, and may transmit power supplied from the power source 300 to the port body 200.
  • the power supply unit 300 is represented as being external to the pedestal 100, but may be present in the form of a battery or the like inside the pedestal 100. However, for convenience of description, the power supply unit 300 is located outside the base 100, and the power supply unit 300 and the base 100 are connected by a power cable as an example.
  • the pedestal 100 includes a first power module PM1, relay units RL1 and RL2, a switched mode power supply (SMPS) 110, a first voltage regulator 120, a first resistor R1, and a comparator ( 130).
  • SMPS switched mode power supply
  • the first power module PM1 may be a four-terminal power module including the first to fourth connection terminals CP1 to CP4, and may be combined with the second power module PM2.
  • the first and second connection terminals CP1 and CP2 of the first power module PM1 are electrically connected to the second power module PM2. It may be connected, and through this, the first power module PM1 may supply power to the second power module PM2.
  • the third and fourth connection terminals (CP3, CP4) of the first power module (PM1) can be electrically connected to the heater 220, Through this, the first power module PM1 may supply power to the heater 220.
  • the relay units RL1 and RL2 connect the first relay RL1 to selectively switch the connection between the power supply unit 300 and the third connection terminal CP3, and the connection between the power supply unit 300 and the fourth connection terminal CP4. It may include a second relay (RL2) to selectively switch. In addition, the switching operation of the relay units RL1 and RL2 may be controlled by the comparator 130.
  • the relay units RL1 and RL2 may include two or more relays, but in an embodiment of the present invention, the relay units RL1 and RL2 include two relays as an example. Shall be
  • the SMPS 110 may convert AC power supplied from the power supply unit 300 into DC power. Also, the SMPS 110 may transfer the converted DC power to the first voltage regulator 120.
  • the SMPS 110 may include, for example, an insulating SMPS, but is not limited thereto. That is, when a touch substrate (not shown) with a metal touch sensor attached to the upper portion of the handle (630 in FIG. 6) is not provided, the SMPS 110 may include any one of a non-insulated SMPS and an isolated SMPS. . However, for convenience of description, in the embodiment of the present invention, the SMPS 110 will be described as an example that includes an insulating type SMPS.
  • the first voltage regulator 120 may control the DC power received from the SMPS 110 to a preset first voltage V1. That is, the first voltage regulator 120 may change the voltage value of the DC power received from the SMPS 110 to a voltage value corresponding to the preset first voltage V1.
  • the DC power converted from the SMPS 110 and transferred to the first voltage regulator 120 may be transferred to the second power module PM2 through the first power module PM1.
  • the comparator 130 compares the voltage Vsen detected between the first voltage regulator 120 and the second connection terminal CP2 with a preset reference voltage Vref, and based on the comparison result, the relay units RL1 and RL2 ) Can be controlled.
  • the comparator 130 since the first resistor R1 is connected between the first voltage regulator 120 and the second connection terminal CP2, the comparator 130 includes the first resistor R1 and the second connection terminal CP2. ), and compares the sensed voltage Vsen with a preset reference voltage Vref, and controls switching operations of the relay units RL1 and RL2 based on the comparison result. That is, the comparator 130 may generate the relay control signal RS based on the comparison result, and control the switching operation of the relay units RL1 and RL2 through the generated relay control signal RS.
  • the preset reference voltage Vref is a value distributed to the fourth resistor R4 among the voltage values of the first voltage V1 preset according to the voltage distribution principle of the third and fourth resistors R3 and R4. Can be set to Accordingly, the voltage value (eg, 9,5V) of the preset reference voltage Vref is smaller than the voltage value (eg, 12V) of the preset first voltage V1.
  • the above-described relay units RL1 and RL2, the SMPS 110, the first voltage regulator 120, the first resistor R1, and the comparator 130 are first printed inside the pedestal 100. It may be mounted on the circuit board (PCB1), but is not limited thereto.
  • the above-described relay units RL1, RL2, SMPS 110, first voltage regulator 120, first resistor R1, and comparator 130 may be distributed and mounted on separate printed circuit boards, respectively.
  • the above-described relay unit (RL1, RL2), SMPS (110), the first voltage regulator 120, the first resistor (R1), the comparator 130 is the first printed circuit board (PCB1 ) Will be described as an example.
  • the port body 200 may be electrically connected to the pedestal 100 through male and female coupling, and may receive power from the pedestal 100.
  • the port body 200 includes a second power module (PM2), a heater 220, a buck converter (230), a second voltage regulator 240, a second resistor (R2), a switch unit 250 , It may include a control unit 210.
  • the second power module PM2 may be a two-terminal power module including the fifth and sixth connection terminals CP5 and CP6, and is capable of male and female coupling with the first power module PM1.
  • the heater 220 may be electrically connected to the third and fourth connection terminals CP3 and CP4 when male and female are coupled between the first and second power modules PM1 and PM2. That is, the heater 220 may be driven to dissipate heat through electrical connection with the third and fourth connection terminals CP3 and CP4.
  • the buck converter 230 may be connected to the second power module PM2 and convert the magnitude of the voltage received from the second power module PM2.
  • the buck converter 230 decreases the voltage supplied from the first voltage regulator 120. It can be transferred to the second voltage regulator 240. That is, the buck converter 230 may reduce the magnitude of the voltage of the DC power received from the second power module PM2 and transfer the reduced voltage to the second voltage regulator 240.
  • one end of the buck converter 230 may be connected to the sixth connection terminal CP6, and the other end of the buck converter 230 may be connected to the second voltage regulator 240.
  • the second voltage regulator 240 may control the magnitude of the voltage converted by the buck converter 230 to a preset second voltage V2. That is, the second voltage regulator 240 may change the voltage value of the DC power received from the buck converter 230 to a voltage value corresponding to the preset second voltage V2.
  • the voltage value (eg, 5V) of the preset second voltage V2 may be smaller than the voltage value (eg, 12V) of the preset first voltage V1.
  • the second resistor R2 is disposed between the second power module PM2 and the buck converter 230 and may be connected in parallel to the second voltage regulator 240. Also, the switch unit 250 may be connected in series with the second resistor R2.
  • one end of the second resistor R2 is connected between the sixth connection terminal CP6 and the buck converter 230, and the other end of the second resistor R2 is one end of the switch unit 250 (for example, It is connected to the collector (C), the other end (eg, emitter E) of the switch unit 250 may be connected between the fifth connection terminal CP5 and the second voltage regulator 240.
  • the resistance value of the second resistor R2 may be greater than the resistance value of the first resistor R1, but is not limited thereto.
  • the operation of the switch unit 250 may be controlled by the control unit 210 described later.
  • the voltage of the first voltage regulator 120 is applied to the first resistor R1 and the second resistor R2.
  • the control unit 210 is driven based on the voltage supplied from the second voltage regulator 240 and can control the operation of the switch unit 250.
  • control unit 210 may provide a switch control signal SC to the base B of the switch unit 250 based on the received product driving signal.
  • switch unit 250 is turned on by the switch control signal SC, the voltage of the first voltage regulator 120 is distributed to the first resistor R1 and the second resistor R2. Can be.
  • control unit 210 may provide the switch control signal SC to the base B of the switch unit 250 based on the received product driving stop signal. have. Also, when the switch unit 250 is turned off by the switch control signal SC, the voltage of the first voltage regulator 120 is applied to the first resistor R1, and the second resistor ( R2).
  • the input unit may be implemented in connection with the aforementioned metal touch sensor, such as the above-described handle (600 in FIG. 5) or the handle coupling unit (570 in FIG. 5), but is not limited thereto. That is, the input unit may be implemented on the outer surface of the port body 200 or the pedestal 100. Also, the control unit 210 may be provided inside the handle 600 rather than the port body 200. However, in an embodiment of the present invention, for convenience of description, the input unit is implemented in a handle (600 in FIG. 5) or a handle coupling unit (570 in FIG. 5), and the controller 210 is inside the port body 200. It will be described as an example provided in the.
  • the above-described buck converter 230, the second voltage regulator 240, the second resistor R2, and the switch unit 250 are inside the port body 200 (that is, the inner bottom of the port body 200) ) May be mounted on the second printed circuit board (PCB2) provided, but is not limited thereto.
  • PCB2 second printed circuit board
  • the above-described buck converter 230, the second voltage regulator 240, the second resistor R2, and the switch unit 250 may be distributed and mounted on separate printed circuit boards, respectively.
  • the above-described buck converter 230, the second voltage regulator 240, the second resistor R2, and the switch unit 250 are mounted on the second printed circuit board (PCB2).
  • the pedestal 100 and the port body 200 are configured.
  • a relay control method of an electric port will be described based on the foregoing.
  • the control unit 210 turns on the switch unit 250.
  • the voltage of the first voltage regulator 120 may be distributed to the first and second resistors R1 and R2.
  • the magnitude of the voltage Vsen detected between the first resistor R1 and the second connection terminal CP2 may be smaller than the magnitude of the preset reference voltage Vref.
  • the first resistor The maximum value (Vsen(on)_max) of the voltage Vsen sensed between the (R1) and the second connection terminal CP2 may be smaller than a preset reference voltage Vref, and the first resistor R1 The minimum value (Vsen(on)_min) of the voltage detected between the two connection terminals CP2 may be greater than the preset second voltage V2.
  • the voltage value (for example, 6.5V) of the minimum voltage Vmin for driving the buck converter 230 is greater than the voltage value (for example, 5V) of the preset second voltage V2.
  • the comparator 130 includes the relay unit RL1, RL2) may be controlled to connect the power supply 300 and the third and fourth connection terminals CP3 and CP4.
  • the power of the power supply unit 300 may be supplied to the heater 220, it is possible to drive the heater 220.
  • the control unit 210 turns off the switch unit 250.
  • the voltage of the first voltage regulator 120 may be applied to the first resistor R1 and not applied to the second resistor R2.
  • the magnitude of the voltage Vsen detected between the first resistor R1 and the second connection terminal CP2 may be larger than the magnitude of the preset reference voltage Vref.
  • the first and second connection terminals CP1 and CP2 and the second power module PM2 are electrically connected and the switch unit 250 is turned off, the first The minimum value Vsen(off)_min of the voltage Vsen sensed between the resistor R1 and the second connection terminal CP2 may be greater than a preset reference voltage Vref.
  • the magnitude of the voltage Vsen detected between the first resistor R1 and the second connection terminal CP2 is equal to or less than the preset first voltage V1, and thus the first resistor R1 and the second connection
  • the maximum value Vsen(off)_max of the voltage Vsen sensed between the terminals CP2 may also be smaller than or equal to the preset first voltage V1.
  • the comparator 130 includes the relay unit RL1, By controlling RL2), the connection between the power supply 300 and the third and fourth connection terminals CP3 and CP4 may be blocked.
  • the relay units RL1 and RL2 are controlled through a DC power (ie, DC power) variable method.
  • the relay unit since the relay unit is provided on the pedestal, the relay installation position can be improved, and through this, the possibility of damage to the relay can be minimized.
  • the relay unit can be provided on the pedestal without a 6-terminal power module, thereby reducing the diameter of the product and satisfying product specifications.
  • the electric port 1 according to the embodiment of the present invention can control the relay through a simple circuit configuration without a separate communication means, it is possible to reduce manufacturing cost. Furthermore, since there is no need for a separate communication means when controlling the relay, there is no room for deterioration in communication performance due to heat or foreign substances emitted from the heater, and through this, product reliability can be improved.
  • FIG. 11 is a schematic diagram for explaining a relay control structure of the electric port shown in FIG. 5 according to the second embodiment of the present invention.
  • the pedestal 100 may be electrically connected to the port body 200 through male and female coupling, and may transmit power supplied from the power source 300 to the port body 200.
  • the pedestal 100 may include a first power module PM1, relay units RL1 and RL2, an SMPS 110, a first voltage regulator 120, a first resistor R1, and a comparator 130.
  • the first resistor R1 may include two first-first resistors R11 and R12.
  • the first power module PM1 includes first to fourth connection terminals CP1 to CP4, and is capable of male and female coupling with the second power module PM2.
  • first and second connection terminals CP1 and CP2 of the first power module PM1 may be electrically connected to the second power module PM2.
  • the third and fourth connection terminals CP3 and CP4 of the first power module PM1 may be electrically connected to the heater 220. Accordingly, the first power module PM1 may supply power to the second power module PM2 and the heater 220.
  • the relay units RL1 and RL2 connect the first relay RL1 to selectively switch the connection between the power supply unit 300 and the third connection terminal CP3, and the connection between the power supply unit 300 and the fourth connection terminal CP4. It may include a second relay (RL2) to selectively switch. In addition, the switching operation of the relay units RL1 and RL2 may be controlled by the comparator 130.
  • the SMPS 110 may convert AC power supplied from the power supply unit 300 into DC power and transmit the AC power to the first voltage regulator 120.
  • the first voltage regulator 120 may change the DC power received from the SMPS 110 to a preset first voltage V1.
  • the comparator 130 compares the voltage Vsen detected between the first voltage regulator 120 and the second connection terminal CP2 with a preset reference voltage Vref, and based on the comparison result, the relay units RL1 and RL2 ) Can be controlled.
  • the comparator 130 since the first resistor R1 is connected between the first voltage regulator 120 and the second connection terminal CP2, the comparator 130 includes the first resistor R1 and the second connection terminal CP2. ), and compares the sensed voltage Vsen with a preset reference voltage Vref, and controls switching operations of the relay units RL1 and RL2 based on the comparison result. At this time, it is preferable that the voltage value (for example, 9,5V) of the preset reference voltage Vref is smaller than the voltage value (for example, 12V) of the first voltage V1 preset.
  • the first resistor R1 may include two first sub-resistors R11 and R12.
  • the 1-1 sub-resistor R11 and the 1-2 sub-resistor R12 may be connected in parallel to each other. Accordingly, one end of the first resistor R1 may correspond to one end of the first-first resistor R11 and the first-second resistor R12 connected to each other, and the other ends of the first resistor R1 may be connected to each other. It may correspond to the other ends of the first-first resistor R11 and the first-second resistor R12 to be connected.
  • the sizes of the first-first resistor R11 and the first-second resistor R12 may be the same.
  • the present invention is not limited thereto, and two first sub-resistors R11 and R12 having different sizes may be used.
  • the first resistor R1 When the first resistor R1 is used as two first sub resistors R11 and R12 connected in parallel, heat generated from the first resistor R1 may be reduced. Accordingly, the reliability of the circuit in the pedestal 100 can be improved. This will be described in more detail below.
  • the first resistor R1 may include two or more first sub-resistors R11, ⁇ , and R1N.
  • the first resistor R1 includes two first sub resistors R11 and R12.
  • two or more first sub-resistors R11, ⁇ , and R1N may have various connection relationships. This is as shown in FIG. 12. Referring to FIG. 12, two or more first sub-resistors R11, ⁇ , and R1N may be connected in parallel, may be connected in series, or may be connected in series and parallel.
  • the number and connection relationship of the first or second sub-resistors R11, ⁇ , and R1N may be determined based on the size, shape, and mass production of resistance (Mass production).
  • the port body 200 includes a second power module PM2, a heater 220, a buck converter 230, a second voltage regulator 240, a first zener diode Dz1, and A diode D1, a second resistor R2, a switch unit 250, and a control unit 210 may be included.
  • the second power module PM2 may be a two-terminal power module including the fifth and sixth connection terminals CP5 and CP6, and may be combined with the first power module PM1.
  • the heater 220 is electrically connected to the third and fourth connection terminals CP3 and CP4 of the first power module PM1 to emit heat when male and female are coupled between the first and second power modules PM1 and PM2. do.
  • the buck converter 230 may be connected to the second power module PM2 and convert the magnitude of the voltage received from the second power module PM2. For example, the buck converter 230 may reduce the magnitude of the voltage of the DC power received from the second power module PM2.
  • the second voltage regulator 240 may control the magnitude of the voltage converted by the buck converter 230 to a preset second voltage V2. At this time, the voltage value (eg, 5V) of the preset second voltage V2 may be smaller than the voltage value (eg, 12V) of the preset first voltage V1.
  • the second resistor R2 is disposed between the second power module PM2 and the buck converter 230 and may be connected in parallel to the second voltage regulator 240. Also, the switch unit 250 may be connected in series with the second resistor R2.
  • one end of the second resistor R2 is connected to the other end (ie, the anode) of the sixth connection terminal CP6 and the first diode D1, and the other end of the second resistor R2 is a switch unit ( 250) is connected to one end (eg, the collector C), and the other end of the switch unit 250 (eg, the emitter E) is a fifth connection terminal CP5 and a second voltage regulator 240 Can be connected between.
  • the control unit 210 is driven based on the voltage supplied from the second voltage regulator 240 and can control the operation of the switch unit 250.
  • the first and second power modules PM1 and PM2 are male and female coupled and the switch unit 250 is turned on, the voltage of the first voltage regulator 120 is applied to the first resistor R1 and the second resistor R2. It is distributed and authorized.
  • the second resistor R2 may include six second sub resistors R21 to R26.
  • the 2-1, 2-2 and 2-3 sub-resistors R21 to R23 may be connected in parallel to each other, and the 2-4, 2-5 and 2-6 sub-resistors R24 to R26) may be connected to each other in parallel.
  • resistors A consisting of 2-1, 2-2 and 2-3 sub-resistors R21 to R23, and 2-4, 2-5 and 2-6 sub-resistors R24 to R26.
  • Resistor B consisting of may be connected in series with each other.
  • one end of the second resistor R2 may correspond to one end of the second-1, second-2 and second-3 resistors R21 to R23 connected to each other, and the second resistor R2 may The other end may correspond to the other ends of the 2-4, 2-5, and 2-6 resistors R24 to R26 connected to each other.
  • the sizes of the six second sub-resistors R21 to R26 may be the same. However, the present invention is not limited to this, and six second sub-resistors R21 to R26 having different sizes may be used.
  • the second resistor R2 When the second resistor R2 is used as six second sub-resistors R21 to R26 connected in series and parallel, heat generated in the second resistor R2 may be reduced. Accordingly, the reliability of the circuit in the port body 200 can be improved. This will be described in more detail below.
  • the second resistor R2 may include two or more second sub-resistors R21, ⁇ , and R2N.
  • the second resistor R2 includes six second sub resistors R21 to R26.
  • the second or more second sub-resistors R21, ⁇ , and R2N may have various connection relationships. This is as shown in FIG. 12. Referring to FIG. 12, two or more second sub-resistors R21, ⁇ , and R2N may be connected in parallel, may be connected in series, or may be connected in series and parallel.
  • the number of two or more second sub-resistors R21, 21, and R2N and a connection relationship may be determined based on the size, shape, and mass production of the resistance of the port body 200.
  • the first Zener diode Dz1 is disposed to prevent sparking.
  • One end (cathode) of the first Zener diode Dz1 may be connected to the sixth connection terminal CP6, one end of the second resistor R2, and the other end (anode) of the first diode D1, and the first Zener diode
  • the other end (anode) of (Dz1) may be connected to the fifth connection terminal CP5 and the other end of the switch unit 250.
  • the first diode D1 is disposed to prevent reverse current.
  • One end (cathode) of the first diode D1 may be connected to the buck converter 230, and the other end (anode) of the first diode D1 may have one end of the sixth connection terminal CP6 and the second resistor R2. And can be connected.
  • the relay control structure of the electric port according to the second embodiment of the present invention has a first resistor R1 having two first The sub resistors R11 and R12 are replaced, the second resistor R2 is replaced by six second sub resistors R21 to R26, and the first Zener diode Dz1 and the first diode D1 are port bodies. (200).
  • a voltage range according to a specific operation is set in advance, and a resistor having a resistance value matching the above-described voltage range should be used. At this time, heat may be generated in the process of operating the resistance, and when the temperature rises due to heat, reliability of the circuit may be lowered.
  • the first and second resistors R1 and R2 are divided into two or more sub-resistors. At this time, a resistance having a low resistance value generates less heat than a resistance having a high resistance value. Accordingly, heat generated in the first and second resistors R1 and R2 is reduced, and the reliability of the circuit is increased.
  • a phenomenon in which the transmitted power suddenly increases that is, a spark phenomenon may occur Can be.
  • elements such as the buck converter 230 may be damaged.
  • the first zener diode Dz1 is connected to the second power module PM2.
  • Zener diodes are devices that allow a reverse current to flow at a specific voltage (breakdown voltage or Zener voltage). Therefore, by connecting the first Zener diode Dz1 with the second power module PM2, sparking can be prevented, other elements in the port body 200 can be protected, and circuit reliability can be increased.
  • the first diode D1 is disposed between the sixth connection terminal CP6 and the buck converter 230 to prevent damage to the circuit due to reverse current.
  • FIG. 13 is a schematic diagram for explaining a relay control structure of the electric port shown in FIG. 5 according to the third embodiment of the present invention.
  • One end (cathode) of the second Zener diode Dz2 is connected between the sixth connection terminal CP6 and the buck converter 230, and the other end (anode) of the second Zener diode Dz2 is the switch part 250. Once connected.
  • the second Zener diode Dz2 generates less heat than the resistor. Therefore, the reliability of the circuit can be further increased. Meanwhile, the resistance value of the second resistor R2 may correspond to the internal resistance value of the second Zener diode Dz2.

Landscapes

  • Engineering & Computer Science (AREA)
  • Food Science & Technology (AREA)
  • Direct Current Feeding And Distribution (AREA)

Abstract

La présente invention concerne un contenant électrique ayant une position d'installation de relais améliorée. Le contenant électrique de l'invention comprend : une base comprenant une première résistance connectée entre un premier régulateur de tension et l'une quelconque des bornes d'un premier module d'alimentation, et un comparateur pour comparer une tension détectée entre la première résistance et la borne connectée du premier module d'alimentation à une tension de référence prédéfinie pour commander une opération de commutation d'une unité de relais ; et un corps de contenant comprenant une seconde résistance disposée entre un second module d'alimentation et un convertisseur abaisseur de tension et connectée à un second régulateur de tension en parallèle, et une unité de commutation connectée à la seconde résistance en série.
PCT/KR2019/016434 2018-11-30 2019-11-27 Contenant électrique ayant une position d'installation de relais améliorée WO2020111758A1 (fr)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
KR1020180153032A KR102676479B1 (ko) 2018-11-30 릴레이 설치 위치가 개선된 전기 포트
KR10-2018-0153032 2018-11-30
KR1020190145638A KR20210058323A (ko) 2019-11-14 2019-11-14 릴레이 설치 위치가 개선된 전기 포트
KR10-2019-0145638 2019-11-14

Publications (1)

Publication Number Publication Date
WO2020111758A1 true WO2020111758A1 (fr) 2020-06-04

Family

ID=70853423

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/KR2019/016434 WO2020111758A1 (fr) 2018-11-30 2019-11-27 Contenant électrique ayant une position d'installation de relais améliorée

Country Status (1)

Country Link
WO (1) WO2020111758A1 (fr)

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR960006991Y1 (en) * 1994-03-19 1996-08-16 Park Sang Bok Lead alloy electrode for plating
KR20070030722A (ko) * 2003-09-01 2007-03-16 페로 테크닉에크 홀딩 베.뷔. 액체가열장치
CN201046058Y (zh) * 2007-05-24 2008-04-16 美的集团有限公司 一种微电脑液体加热装置
KR200451186Y1 (ko) * 2008-04-04 2010-12-02 쿠쿠전자주식회사 가열 조리기기의 안전장치
KR101887108B1 (ko) * 2011-11-21 2018-08-10 에이치피프린팅코리아 주식회사 과전압 차단 기능을 구비한 스위칭 모드 전원 공급장치와 이를 이용한 과전압 차단 방법 및 화상 형성 장치

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR960006991Y1 (en) * 1994-03-19 1996-08-16 Park Sang Bok Lead alloy electrode for plating
KR20070030722A (ko) * 2003-09-01 2007-03-16 페로 테크닉에크 홀딩 베.뷔. 액체가열장치
CN201046058Y (zh) * 2007-05-24 2008-04-16 美的集团有限公司 一种微电脑液体加热装置
KR200451186Y1 (ko) * 2008-04-04 2010-12-02 쿠쿠전자주식회사 가열 조리기기의 안전장치
KR101887108B1 (ko) * 2011-11-21 2018-08-10 에이치피프린팅코리아 주식회사 과전압 차단 기능을 구비한 스위칭 모드 전원 공급장치와 이를 이용한 과전압 차단 방법 및 화상 형성 장치

Similar Documents

Publication Publication Date Title
WO2015037949A1 (fr) Procédé et dispositif de commande charge et dispositif de réception de puissance sans fil doté de ce dispositif
WO2020171420A1 (fr) Pot de riz à chauffage par induction sans fil et système de chauffage par induction sans fil le comprenant
WO2014073913A1 (fr) Appareil d'éclairage à module de communication
WO2012173408A2 (fr) Appareil de commande d'ensemble relais électrique et procédé de commande de celui-ci
WO2009107998A2 (fr) Socle de fiche
EP2676352A2 (fr) Appareil et procédé pour une transmission de puissance variable à efficacité élevée
WO2021201477A1 (fr) Table de cuisson de type à chauffage par induction
WO2020171418A1 (fr) Cuiseur à riz à chauffage par induction sans fil et système de chauffage par induction sans fil comprenant ce dernier
WO2015012555A1 (fr) Procédé et appareil pour l'authentification dans un système de transmission de puissance sans fil
WO2021167161A1 (fr) Table de cuisson de type à chauffage par induction
WO2015180136A1 (fr) Commutateur de gradation et procédé de gradation associé
WO2017000216A1 (fr) Circuit de commande de charge, dispositif de charge, système de charge et procédé de commande de charge
WO2020111758A1 (fr) Contenant électrique ayant une position d'installation de relais améliorée
WO2018034550A1 (fr) Système de commande permettant de commander le mode de fonctionnement d'un convertisseur de tension cc-cc
WO2022124816A1 (fr) Appareil de cuisson
WO2017023008A1 (fr) Dispositif de chauffage par induction et son procédé de commande
WO2013032181A2 (fr) Dispositif d'éclairage
WO2021167163A1 (fr) Table de cuisson de type à chauffage par induction
WO2021167162A1 (fr) Table de cuisson de type à chauffage par induction
WO2016163750A1 (fr) Dispositif de transmission d'énergie sans fil et son procédé de commande
WO2015147527A1 (fr) Batterie, module de cellules et ensemble de modules de cellules
WO2016182239A1 (fr) Appareil de transmission de puissance sans fil et son procédé de commande, procédé de commande d'appareil de réception de puissance sans fil, et système de transmission de puissance sans fil et procédé de transmission de puissance sans fil associé
WO2021071076A1 (fr) Dispositif de chauffage par induction et procédé de commande de dispositif de chauffage par induction
WO2016171459A1 (fr) Appareil de transmission de puissance sans fil et procédé de commande associé
WO2019156371A1 (fr) Appareil de cuisson

Legal Events

Date Code Title Description
121 Ep: the epo has been informed by wipo that ep was designated in this application

Ref document number: 19888372

Country of ref document: EP

Kind code of ref document: A1

NENP Non-entry into the national phase

Ref country code: DE

122 Ep: pct application non-entry in european phase

Ref document number: 19888372

Country of ref document: EP

Kind code of ref document: A1