KR102321828B1 - Portable wireless battery-powered heating pot that connects battery power supply and temperature sensor recognition so that it can be separated into four upper and lower terminals - Google Patents

Abstract

The present invention relates to a portable wireless battery-powered heating pot which connects battery power supply and temperature sensor recognition so as to be separable into four upper and lower terminals. The portable wireless battery-powered heating pot of the present invention includes: a base portion (10) having a power supply battery (11) and a control unit (12) built therein and including a protruding connecting portion (20) protruding upward in a base housing (13); a pot (30); and a heating means (40) having a heater (41) installed on the bottom surface of the pot (30), a temperature sensor (42), four upper terminals connected to the heater (41) and the sensor (42), and a recessed connecting portion (50) unevenly coupled to the protruding connecting portion (20) so as to be electrically connected to the upper terminal. The protruding connecting portion (20) electrically connects four lower terminals (LL, D1, D2, LN) connecting battery power terminals (L, N) and a control terminal, and includes four insulated concentric circles (21, 22, 23, 24) protruding on the surface of the base housing (13). The recessed connecting portion (50) includes: four upper terminals (HL, D1', D2', HN) electrically connected to the lower terminals (LL, D1, D2, LN) of the protruding connecting portion (20); a conductive rod (51) connected to the upper terminals (HL, D1', D2', HN); three conductive concentric circles (52, 53, 54) having the conductive rod (51) as a central axis; and a ring body (55) supporting above components such that an interval is maintained and unevenly coupled to the outer diameter of the protruding connecting portion (20).

Description

Portable wireless battery-powered heating pot that connects battery power supply and temperature sensor recognition so that it can be separated into four upper and lower terminals}

The present invention relates to a portable wireless battery powered heating pot that connects battery power supply and temperature sensor recognition to be detachably connected to four upper and lower terminals.

Wireless cookers have a wireless electric port known as domestic utility model registration No. 20-0406420, and wireless cookers are known as domestic patent registration Nos. 10-1925876, 1697898, and 10-1934344 Nos. It has a problem that can be mainly used indoors. Also, since it is a method that uses AC power, the temperature sensor also uses a bimetal temperature sensor that cuts off the power supply when the temperature is abnormal in the vicinity of the heating heater. The reality is that the power supply structure has a simple configuration.

In addition, the conventional sensor circuit for temperature control is to be installed around the heating heater of the wireless cooker, and as shown in FIG. 13, the DC voltage (V) that has passed through the rectifier (power adapter) is divided by the voltage divided by the resistors (R1, R2). The sensor receives the current through (V1) and provides a variable resistance value of the sensor that varies according to the temperature of the heater. It operates in a turn-on state with a switching transistor, and when the switch is on according to the action of the switching transistor, the relay (Ry) is magnetized and the corresponding contact switch is turned on or off to supply or cut off the DC voltage (V). . Therefore, since an adapter (rectifier) for DC power, a sensor circuit, etc. must be built into the bottom of the cooker together with the heater, it becomes a factor of cost increase, making it difficult to apply in practice.

The present invention is to solve this problem, and an object of the present invention is to move the battery to a portable device using a DC power supply and use it anywhere, and the sensor for overheating recognition also recognizes the change in the resistance value of the sensor in the base part control unit to recognize the change in the resistance of the battery. A portable wireless battery powered heating pot that connects the battery power supply that can be used as a portable power source and the temperature sensor recognition to the four upper and lower terminals so that the battery power supply and the temperature sensor recognition are detachably connected to the four upper and lower terminals. is intended to provide

Another object of the present invention is to put two DC power terminals and two terminals for sensor recognition in the base for supplying battery power, and a protruding connection part installed in an insulated concentric structure with four lower terminals in total, and a lower terminal and a lower terminal in the corresponding part of the pot. When a conductive concentric circle connected to the four upper terminals in contact is placed in the concave connection part and the concave part is combined with the protrusion, the battery power is connected to the heater at two places through the protrusion and the concave part, and the temperature sensor recognized through the sensor when heating the heater A new concept of battery power supply and temperature in which two DC power lines and two temperature control lines are connected wirelessly at the same time to control the heater heating by recognizing the value in the control unit of the base part using two places from the upper terminal to the lower terminal. The purpose of this is to provide a portable wireless battery powered heating pot that connects the detection sensor recognition to the four upper and lower terminals so that it can be separably connected to the battery power supply and the temperature sensor recognition to the four upper and lower terminals.

The present invention for this purpose is a base unit including a built-in power supply battery and a control unit and a protruding connection unit protruding upward in the base housing;

pot; and

A heating means having a heater installed on the bottom of the bottom of the pot, a sensor for sensing temperature, four upper terminals connected to the heater and the sensor, and a concave connection portion that is coupled to the protruding connection portion so as to be electrically connected to the upper terminal, respectively. includes;

The protruding connection part electrically couples the two battery power terminals (L, N) and the four lower terminals connecting the two control terminals, and has four insulated concentric circles that protrude over the surface of the base housing of the base part and are installed in a distributed manner. includes;

The concave connection portion includes four upper terminals electrically connected to the lower terminals of the protruding connection portion, respectively, a central conductive rod connected to the upper terminal, and three conductive concentric circles having the conductive rod as a central axis, and they are spaced apart It is intended to provide a portable wireless battery-powered heating pan that connects the battery power supply and temperature sensor recognition configured to include a ring body that is supported and concave-convexly coupled with the outer diameter of the protruding connection part to be detachably connected to four upper and lower terminals.

In addition, the present invention divides a total of four wires of two sensor wires for sensor operation into two power supply wires into upper and lower terminals, and completes a concave connection part and a protruding connection part that enable concave-convex coupling, thereby supplying battery power and recognizing the temperature sensor. It is intended to provide a portable wireless battery powered heating pot that is detachably connected to the four upper and lower terminals.

As described above, the present invention is portable and can be used anywhere by using a battery DC power source, and the sensor for overheat recognition also allows the base unit control unit to stably recognize the change in the resistance value of the sensor.

The present invention has two DC power supply terminals and two sensor recognition terminals on the base for supplying battery power, and four lower terminals in total have a protruding connection installed in an insulated concentric circle structure, and the bottom of the pot is in contact with the lower terminal. If the conductive concentric circle connected to the four upper terminals has a concave portion, and the concave portion is combined with the protrusion, the battery power is connected to the heater at two places through the protrusion and the concave portion. Using the two lower terminals at the terminal, the DC power line and the temperature control line, which are recognized by the control unit of the base to control the heating of the heater, are simultaneously connected wirelessly to the four terminals.

1 is an exploded perspective view of the present invention;
Figure 2 is a relative cross-sectional view of the present invention;
Figure 3 is a perspective view omitting the cover of the heating means of the bottom of the pot of the present invention,
4 is a partially enlarged cross-sectional view of the protruding connection part of FIG. 2;
5 is an enlarged view taken along line AA of FIG. 1;
6 is an enlarged cross-sectional view showing the main part of the protruding connection part and the concave connection part of FIG. 2;
7 is a view of the coupled state of FIG. 6;
8 is a view (b, c, d) showing the insulated concentric circle (a) and the inner lower terminal of the protruding connection part separately;
9 is a perspective view showing the lower terminal in the insulating concentric circle of the protruding connection part from the front surface (a) and the back surface (b);
10 is a front and rear perspective view (a, b) omitting the ring body, and a rear perspective view (c) combining the ring body,
11 is a conceptual diagram of a control block configuration of the present invention;
12 is an exemplary diagram of a control block circuit of the present invention;
13 is a conventional sensor circuit diagram.

Hereinafter, embodiments of the present invention will be described in detail with reference to the drawings.

The present invention provides a power supply battery (11) and a control unit (12) built-in, the base portion (10) including a protruding connection portion (20) protruding upwards in the base housing (13);

pot (30); and

A heater 41 installed on the bottom of the bottom of the pot 30, a sensor 42 for detecting temperature, four upper terminals connected to the heater 41 and the sensor 42, and electrically connected to the upper terminals, respectively a heating means (40) having a concave connection portion (50) for concave-convex coupling with the protruding connection portion (20) so as to be possible;

The protruding connection part 20 electrically couples the two battery power terminals (L, N) and the four lower terminals (LL, D1, D2, LN) for connecting the two control terminals, and the base part 10 of It includes four insulating concentric circles (21, 22, 23, 24) that protrude above the surface of the base housing (13) and are distributedly installed;

The concave connection part 50 includes four upper terminals HL, D1', D2', HN respectively electrically connected to the lower terminals LL, D1, D2, LN of the protruding connection part 20, and the upper part A central conductive rod 51 connected to the terminals HL, D1', D2', and HN, three conductive concentric circles 52, 53, 54 having the conductive rod 51 as a central axis, and these It is supported on the floor to maintain and configured to include a ring body 55 that is concave-convexly coupled to the outer diameter of the protruding connection part 20 .

A pair of lower terminals LN for accommodating the conductive rod 51 are installed in the insulating concentric circle 21, and the lower terminal LN is connected to one battery power terminal N,

A lower terminal (D1) is installed between the insulated concentric circles (21, 22),

A lower terminal (D2) is installed between the insulated concentric circles (22, 23),

A lower terminal LL is installed on the side of the insulated concentric circle 23 between the insulated concentric circles 23 and 24,

The insulating concentric circle 23 includes a curved head 23-1 that initially guides the concave-convex coupling with the conductive concentric circle 54, and the lower terminal LL is accommodated under the outer diameter side of the curved head 23-1 to be conductive. It is configured to include a vertical terminal groove (23-2) providing a contact holding force so that electricity passes when in contact with the concentric circle (54).

The conductive rod 51 protrudes below the coaxial conductive concentric circles 52, 53, 54, and projects lower than the edge of the ring body 55 constituting the concave connection part 50,

At the rear end of the conductive rod 51, there is a protruding terminal 51-1, and at the rear end of the conductive concentric circles 52, 53, 54, there are two protruding terminals 52-1, 52-2, 53-1, 53- in the radial direction. 2) (54-1,54-2) protrudes,

Upper terminals HL, D1', HN, D2' are coupled to the protruding terminals 54-1, 52-1, 51-1, and 53-2,

The protruding terminals 54-2, 52-2, and 53-1 are fitted and fixed to the bottom slit formed on the bottom of the ring body 55, so as to maintain the correct positions at both ends of the diameter of the conductive concentric circles 52, 53, 54. make up

One end of the sensor 42 that detects a temperature abnormality at the bottom of the pot 30 between the heaters 41 is connected to the voltage distribution circuit ( 12-4) is applied, and the other end of the sensor 42 passes through the upper and lower terminals D2' and D2 and the analog-to-digital converter 12-6 to the input terminal of the control board 12-1. It is connected to (I1) to configure the control board 12-1 to recognize a change in the resistance value of the sensor 42 as a temperature change.

The lower terminal LN accommodates the conductive rod 51 and includes two terminal plates with the upper part widened so that electricity can be simultaneously conducted at both ends of the diameter, and the other lower terminal LL is in contact with the conductive concentric circle 54 . It is configured to be located in the vertical terminal groove (23-2) in the form of two convex plates with the waist part spread apart so that electricity is conducted while maintaining the .

In the present invention configured as described above, as shown in FIGS. 1 to 3 , the battery 11 and the control unit 12 are embedded in the base unit 10 , and the lower part through the control board 12-1 constituting the control unit 12 . The terminals LN, D1, D2, and LL are located at the inner diameter portions of the insulating concentric circles 21, 22, 23, and 24 forming the protruding connection portion 20 as shown in FIGS. 4 and 5, and concave connection portion 50 for concave-convex coupling It is configured to maintain the protruding state at a certain height to be electrically connected to the To this end, the lower terminal LN forms a line as shown in FIG. 4 to maintain an electrically conductive state when the concave-convex connection with the conductive rod 51 of the concave connection part 50 shown in FIGS. 6 to 9 is coupled.

In addition, the lower terminal D1 is positioned between the insulating concentric circles 21 and 22 so that the cylindrical conductive dome core 52 forming the concave connection part 50 shown in FIG. 6 is connected to the lower terminal D1.

In addition, the lower end of the conductive concentric circle 53 is inclined inward as shown in FIG. 6 so that the cylindrical conductive concentric circle 53 forming the concave connection part 50 shown in FIG. 6 is connected to the lower terminal D2 shown in FIG. 4 .

In addition, the conductive concentric circles 54 constituting the concave connection portion 50 shown in FIG. 6 are connected to the lower terminal LL shown in FIG. 5 , which is coupled from the state of FIG. 6 to the state of FIG. 7 .

These lower terminals (LN, D1, D2, LL) are bent as shown in (b), (c), (d) in the protruding connection part 20 shown in FIG. 23, 24), and the double lower terminal (LN) is configured such that the two plates face each other at regular intervals so that the end of the lower terminal is easy to connect with the rod-shaped conductive rod 51, but the upper end is the coupling guide and contact state. Make it sloped to keep it.

In addition, the lower terminal (LL) is composed of two plates with a pair of plates facing each other to provide a tension force for maintaining contact and a support plate for maintaining the tension force. A vertical groove 23-2 is vertically formed on the outer wall portion of the lower portion of the head 23-1 shown in FIG. and the inner wall portion corresponding to the vertical groove 23-2 is configured to maintain the vertical wall, the lower terminal LL is installed as shown in FIGS. 5 and 7, and the conductive concentric circle shown in FIG. 6 of the concave connection part 50 ( 54), the lower terminal LL is accommodated in the vertical groove 23-2 as a pair so that it is easily contacted when combined at the inner wall portion, and electrical connectivity is maintained after the contact, and is always contactable.

When the upper terminal and the lower terminal are electrically connected as shown in FIGS. 2 and 7 by the concave-convex coupling of the protruding connection part 20 and the concave connection part 50 in this way, the connected state of FIG. 12 is formed in the separated state of FIG. The power of the battery 11 is supplied as DC power from the power terminals (L, N) through the lower terminals (LL, LN) from the control board 12-1 of the control unit 12, and the DC power is applied to the distribution resistor. The lower terminal D1 supplied with the divided voltage V1 through the dividing voltage dividing circuit 12-4 is applied to the sensor 42, and the sensor 42 is overheated by heating of the heater 41. The variable resistance value is connected to the lower terminal D2 through the upper terminal D2', and the lower terminal D2 converts the applied analog value through the built-in analog digital converter 12-6 to the control board 12 -1) is applied to the input terminal (I1). Of course, the button unit 12-2 may include an on/off switch, a button instructing a timer, etc., and the display 12-3 displays the operation state of the button unit 12-2 and whether the sensor 42 is abnormal. It is good, but not limited to this.

When the protruding connection part 20 and the concave connection part 50 are electrically connected to the lower terminals LL, D1, D2, LN and the upper terminals HL, D1', D2', HN at the same time, the upper terminals HL, HN) supplies DC power to both ends of the heater 41 to generate heat, and when the set temperature (for example, 100° C.) is exceeded due to heat generation, the resistance value of the sensor 42 rises rapidly, and the resistance change due to this rise is provided to the input terminal I1 as a digital value recognizable by the control board 12-1 through the analog-to-digital converter 12-6 through the upper terminals D1' and D2' and the lower terminals D1 and D2 . Then, the control board 12-1 operates a switching means (not shown) to cut off the DC power supply of the battery 11 to prevent overheating of the heater 41 and maintain a constant temperature, and when the temperature is lowered, the sensor It can be seen that the resistance value of (42) is lowered and power is supplied again.

The concave connection part 50 shown in FIGS. 3 and 6 of the present invention is supported so that the conductive rod 51 and the conductive concentric circles 52, 53, 54 are coaxial to the ring body 55, and to maintain the arrangement, conduction Protruding terminals 51-1 (52-1, 52-2) (53-1, 53-2) (54-1, 54-2) at the rear end of the rod 51 and the conductive concentric circles 52, 53, 54 ) to the outside of the ring bottom as shown in FIGS. 10 (b) and 10 (c), and the double protruding terminals 51-1, 52-1, 53-2, and 54-1 are the upper terminals. (HN) (D1') (D2') (HL), respectively, are fitted so that they can be electrically connected to the formed slot, opposite the diameter of the protruding terminals (52-1, 53-2, 54-1) The protruding terminals (52-2, 53-1, 54-2) protruding from the ring body 55 are stably fixed to the bottom of the ring body 55 without an upper terminal as shown in Fig. 10 (c). This is insert molding It can be implemented in a variety of ways, such as by fitting or coupling.
In this way, each of the conductive rods 51 and the conductive concentric circles 52, 53, 54 is possible to establish an electrical connection with the corresponding upper terminals HN (D1') (D2') (HL), and at the same time, the conductive concentric circles 52, 53, Since the protruding terminals (52-2, 53-1, 54-2) of 54 are fixed to the bottom slit formed in the bottom of the ring body of the ring body 55, the conductive rod 51 and the conductive concentric circles 52, 53, 54) maintains an electrical connection while maintaining a certain distance, and at the same time functions to enable repeated use without shape deformation. The concave-convex coupling configuration for connection is made as shown in FIG. 10 (c).

The present invention is convenient because it can be driven by connecting the power of the auxiliary battery (12-7) through the external power terminal (12-5) added to the base housing (13) in addition to the power of the battery (11) when necessary.

10; Base unit 11; Battery 12; Control unit 12-1; Control board 12-2; Button unit 12-3; Display 13; Base housing LL, D1, D2, LN; Lower terminal 20; Projected connection units 21, 22, 23 ,24; Insulated concentric circle 23-1; Head 23-2; Vertical groove 23-3; Vertical wall 30; Pot 40; Heating means 41; Heater 42; Sensor HL, D1', D2', HN; Upper terminal 50; Concave Connection part 51; Conductive rod 52, 53, 54; Conductive concentric circles 51-1, 52-1, 52-2, 53-1, 53-2, 54-1, 54-2; Projecting terminal 55; Ring body

Claims (5)

a base unit 10 having a built-in power supply battery 11 and a control unit 12 and a protruding connection unit 20 protruding upward in the base housing 13;
pot (30); and
A heater 41 installed on the bottom of the bottom of the pot 30, a sensor 42 for detecting temperature, four upper terminals connected to the heater 41 and the sensor 42, and electrically connected to the upper terminals, respectively a heating means (40) having a concave connection portion (50) for concave-convex coupling with the protruding connection portion (20) so as to be possible;
The protruding connection part 20 electrically couples the two battery power terminals (L, N) and the four lower terminals (LL, D1, D2, LN) for connecting the two control terminals, and the base part 10 of the It includes four insulating concentric circles (21, 22, 23, 24) that protrude above the surface of the base housing (13) and are distributedly installed;
The concave connection part 50 includes four upper terminals HL, D1', D2', HN respectively electrically connected to the lower terminals LL, D1, D2, LN of the protruding connection part 20, and the upper part A central conductive rod 51 connected to the terminals HL, D1', D2', and HN, three conductive concentric circles 52, 53, 54 having the conductive rod 51 as a central axis, and these and a ring body (55) which is supported on the bottom of the ring body to hold it and is concavely coupled with the outer diameter of the protruding connection part (20);
The conductive rod 51 protrudes below the coaxial conductive concentric circles 52, 53, 54, and projects lower than the edge of the ring body 55 constituting the concave connection part 50,
At the rear end of the conductive rod 51, there is a protruding terminal 51-1, and at the rear end of the conductive concentric circles 52, 53, 54, there are two protruding terminals 52-1, 52-2, 53-1, 53- in the radial direction. 2) (54-1,54-2) protrudes,
Upper terminals HL, D1', HN, D2' are coupled to the protruding terminals 54-1, 52-1, 51-1, and 53-2,
The protruding terminals 54-2, 52-2, and 53-1 are fitted and fixed in the bottom slit formed at the bottom of the ring body of the ring body 55, and are positioned at both ends of the diameter of the conductive concentric circles 52, 53 and 54 with the ring body. A portable wireless battery powered heating pot that connects the battery power supply and temperature sensor recognition to four upper and lower terminals so that it can be separated.
According to claim 1, wherein the insulating concentric circle 21 is provided with a pair of lower terminals (LN) for accommodating the conductive rods (51), the lower terminal (LN) is connected to one battery power supply terminal (N),
A lower terminal (D1) is installed between the insulated concentric circles (21, 22),
A lower terminal (D2) is installed between the insulated concentric circles (22, 23),
A lower terminal LL is installed in the insulated concentric circle 23 between the insulated concentric circles 23 and 24,
The insulating concentric circle 23 includes a curved head 23-1 that initially guides the concave-convex coupling with the conductive concentric circle 54, and the lower terminal LL is accommodated under the outer diameter side of the curved head 23-1 to be conductive. The battery power supply and the temperature sensor recognition, characterized in that it includes a vertical terminal groove 23-2 that provides a contact holding force so that electricity passes when in contact with the concentric circle 54, it is connected to be separated into four upper and lower terminals Portable wireless battery powered heating pot.
delete The method according to claim 1, wherein one end of the sensor (42) for detecting temperature abnormality at the bottom of the pot (30) between the heaters (41) is connected to the control board (12-1) through the upper and lower terminals (D1', D1). The division voltage V1 of the voltage division circuit 12-4 is applied, and the other end of the sensor 42 passes through the upper and lower terminals D2' and D2 and the analog-to-digital converter 12-6 to the control board 12- The battery power supply and temperature detection sensor recognition, characterized in that it is connected to the input terminal I1 of 1) and configured to recognize a change in the resistance value of the sensor 42 as a temperature change in the control board 12-1. A portable wireless battery-powered heating pot that is detachably connected.
3. The lower terminal (LN) according to claim 2, wherein the lower terminal (LN) includes two terminal plates with the upper part widened so that electricity can be simultaneously conducted at both ends of the diameter by receiving the conductive rod (51), and the other lower terminal (LL) is a conductive concentric circle (54). ) and the battery power supply and temperature detection sensor recognition, characterized in that it is configured to be located in the vertical terminal groove (23-2) in the form of two convex plates with a wide waist so that electricity can be conducted while maintaining contact with the four upper and lower terminals A portable wireless battery-powered heating pot that can be detachably connected with a .

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