CN215002417U - Ice maker control device and ice maker - Google Patents

Abstract

An ice maker control device and an ice maker including the same, capable of reducing or eliminating the requirement for explosion prevention of a switch for switching on and off power transmission. The utility model discloses an ice machine controlling means is including the input part, inverter portion and the control circuit portion that connect in proper order the electricity, inverter portion will follow provide after the alternating current of input part input converts the direct current control circuit portion, wherein, inverter portion via parallelly connected first electric connection portion and second electric connection portion and with control circuit portion electricity is connected, first electric connection portion with one side in the second electric connection portion includes the switch, the switch is right inverter portion with power transmission between the control circuit portion carries out the break-make and switches.

Description

Ice maker control device and ice maker

Technical Field

The utility model relates to an ice machine controlling means and including ice machine of ice machine controlling means.

Background

Conventionally, there is an ice maker control device, as shown in fig. 5, including an input unit 31X, an inverter unit 32X, and a control circuit unit 33X, which are electrically connected in this order, the inverter unit 32X converting an ac power input from the input unit 31X into a dc power and supplying the dc power to the control circuit unit 33X; as shown in fig. 5, the inverter 32X and the control circuit 33X are electrically connected via a first wire 3411X and a second wire 3412X, wherein the first wire 3411X is electrically connected to the output port Vcc of the inverter 32X, and the second wire 3412X is electrically connected to the ground port GND of the inverter 32X. As shown in fig. 5, the input unit 31X includes a connector 311X, the connector 311X is electrically connected to the inverter unit 32X via an electric wire 3121X and an electric wire 3122X which are connected in parallel, a main power switch 343X is provided on the electric wire 3121X, and the main power switch 343X switches on and off power transmission between the connector 311X and the inverter unit 32X; as shown in fig. 5, the ice maker control device further includes a motor 38X, the motor 38X is used to drive an ice tray of the ice maker and/or an ice detection lever for detecting the amount of ice, and the control circuit unit 33X is electrically connected to the motor 38X.

However, in the above-described ice maker control device, since the ac high voltage of 120 to 240V is applied to the switch, if a normal switch is used, a spark is generated when on/off switching is performed, and the explosion-proof requirement cannot be satisfied. Therefore, a special switch corresponding to the explosion-proof requirement needs to be selected, resulting in an increase in cost.

SUMMERY OF THE UTILITY MODEL

The present invention has been made in view of the above problems, and an object of the present invention is to provide an ice maker control device and an ice maker including the same, which can reduce or eliminate the requirement for explosion-proof performance of a switch for switching on and off power transmission.

In order to achieve the above object, the present invention provides an ice maker control device, including input portion, inverter portion and control circuit portion that the electricity is connected in proper order, inverter portion will follow alternating current that input portion input is provided after converting into the direct current control circuit portion, wherein, inverter portion via parallelly connected first electric connection portion and second electric connection portion and with control circuit portion electricity is connected, first electric connection portion with one side in the second electric connection portion includes the switch, the switch is right inverter portion with power transmission between the control circuit portion carries out the break-make and switches.

According to the utility model discloses an ice maker controlling means, inverter portion is connected with control circuit portion electricity through parallelly connected first electric connection portion and second electric connection portion, one of first electric connection portion and second electric connection portion includes the switch, the switch carries out the break-make switching to the power transmission between inverter portion and the control circuit portion, because the rated voltage of the direct current of inverter portion output is than low, consequently difficult spark that produces when the switch carries out the break-make switching, can reduce or avoid the explosion-proof requirement of switch, therefore, can select to use general low price and miniature switch, reduce manufacturing cost.

In the ice maker control device according to the present invention, it is preferable that the first electrical connection portion includes the switch, and the second electrical connection portion is connected to a ground.

In the ice maker control device according to the present invention, it is preferable that the first electrical connection portion includes a first electrical wire that electrically connects the inverter portion and the control circuit portion, the first electrical wire is provided with the switch, and the second electrical connection portion includes a second electrical wire that electrically connects the inverter portion and the control circuit portion and is connected to the ground.

In the ice maker control device according to the present invention, it is preferable that the inverter unit is provided on a first circuit board, and the control circuit unit is provided on a second circuit board independent of the first circuit board.

According to the utility model discloses an ice maker controlling means, inverter portion sets up in first circuit board, and control circuit portion sets up in the second circuit board independent with first circuit board, consequently, reduces the maintenance cost of inverter portion and control circuit portion easily, for example, when control circuit portion damages, only need with inverter portion with first circuit board change for new part can, and need not to change inverter portion and control circuit portion together, reduce the maintenance cost.

In the ice maker control device according to the present invention, it is preferable that the first electrical connection portion includes the switch, and the second electrical connection portion includes a jumper pin that electrically connects the inverter portion and the control circuit portion and is connected to the ground.

According to the utility model discloses an ice maker controlling means, first electrical connection includes the switch, and second electrical connection includes the cross-over pin, and the cross-over pin is connected inverter portion and control circuit portion electricity, and is connected with ground connection, therefore, compare with the condition that second electrical connection includes the electric wire that is connected inverter portion and control circuit portion electricity, can save the space that is used for maintaining the electric wire shape or accomodates the electric wire required (for example can reduce the pillar that is used for keeping the electric wire etc.), reduce unstable electric wire and lay the process, improve the assembling nature, reduce cost, and, help the device miniaturization.

In the ice maker control device according to the present invention, it is preferable that the input unit includes a connector electrically connected to the inverter unit via a third electrical connection unit and a fourth electrical connection unit connected in parallel.

In the ice maker control device according to the present invention, it is preferable that the third electrical connection portion includes a third electrical wire that electrically connects the connector and the inverter portion, and the fourth electrical connection portion includes a fourth electrical wire that electrically connects the connector and the inverter portion.

In addition, the ice maker control device of the present invention preferably further includes a motor for driving an ice tray of the ice maker and/or an ice detection lever for detecting an amount of ice, and the control circuit unit is electrically connected to the motor.

Further, in the ice maker control device of the present invention, it is preferable that the ice maker control device further includes a thermistor for detecting a temperature of an ice tray of the ice maker, and the control circuit unit is electrically connected to the thermistor.

In addition, in order to achieve the above object, the present invention provides an ice maker including the control device of the ice maker according to any one of the above aspects.

(effects of utility model)

According to the utility model discloses, the dc-to-ac converter portion is connected with control circuit portion electricity via parallelly connected first electric connection portion and second electric connection portion, one of first electric connection portion and second electric connection portion includes the switch, the switch carries out the break-make to the power transmission between dc-to-ac converter portion and the control circuit portion and switches, because the direct galvanic rated voltage ratio of dc-to-ac converter portion output is lower, consequently difficult spark that produces when the switch carries out the break-make and switches, can reduce or avoid the explosion-proof nature requirement of switch, therefore, can select to use general low price and miniature switch, and the manufacturing cost is reduced.

Drawings

Fig. 1 is a perspective view schematically showing an ice maker according to an embodiment of the present invention.

Fig. 2 is another perspective view schematically showing an ice maker according to an embodiment of the present invention.

Fig. 3 is a circuit configuration diagram schematically showing an ice maker control device included in an ice maker according to an embodiment of the present invention.

Fig. 4 is a side view schematically showing an ice maker control device included in an ice maker according to a modification of the present invention.

Fig. 5 is a circuit configuration diagram schematically showing a conventional ice maker control device.

(symbol description)

1 Ice maker

10 frame

11 first side wall

12 second side wall

13 third side wall

14 fourth side wall

20 ice making tray

21 rotating shaft part

22 cells

30 control device of ice maker

31 input unit

311 connector

3121 third electrical connection

3122 fourth electrical connection

32 inverter unit

33 control circuit part

341 first electric connection part

3411 first wire

3419 switch

342 second electrical connection portion

3421 second electric wire

351 first circuit board

352 second Circuit Board

36 thermistor

371 first test switch

372 second test switch

379 Relay

38 motor

39 casing

40 ice-detecting rod

Vcc output port

GND ground port

PP bridging leg

Detailed Description

Next, an ice maker according to an embodiment of the present invention will be described with reference to fig. 1 to 3, in which fig. 1 is a perspective view schematically showing an ice maker according to an embodiment of the present invention, fig. 2 is another perspective view schematically showing an ice maker according to an embodiment of the present invention, and fig. 3 is a circuit configuration diagram schematically showing an ice maker control device included in an ice maker according to an embodiment of the present invention.

Here, for convenience of explanation, three directions orthogonal to each other are set as an X direction, a Y direction, and a Z direction, one side of the X direction is set as X1, the other side of the X direction is set as X2, one side of the Y direction is set as Y1, the other side of the Y direction is set as Y2, one side of the Z direction is set as Z1, and the other side of the Z direction is set as Z2, and an axial direction of a rotation center axis of the puck coincides with the X direction.

(integral Structure of Ice maker)

As shown in fig. 1, the ice maker 1 includes a frame 10, an ice tray 20, and an ice maker control device 30, the ice tray 20 being movably provided on the frame 20, and the ice maker control device 30 being provided on the frame 10 to control the operation of the ice maker 1.

Here, as shown in fig. 3, the ice maker controlling device 30 includes a motor 38, and the motor 38 drives the ice making tray 20 to move. As shown in fig. 2, the ice maker 1 further includes an ice-detecting lever 40, and the ice-detecting lever 40 is movably provided in the frame 10 to detect the amount of ice (specifically, the amount of ice in an unillustrated region provided below the ice tray 20). As shown in fig. 3, ice maker controlling device 30 further includes a thermistor 36, and thermistor 36 detects the temperature of ice tray 20.

(Structure of frame)

As shown in fig. 1 and 2, the frame 10 is a rectangular parallelepiped and includes a first side wall 11, a second side wall 12, a third side wall 13, and a fourth side wall 14, wherein the first side wall 11 and the third side wall 13 are opposed to each other at an interval in the X direction, the second side wall 12 and the fourth side wall 14 are opposed to each other at an interval in the Y direction, and both ends of the first side wall 11 in the Y direction are connected to both ends of the third side wall 13 in the Y direction, whereby a substantially rectangular parallelepiped housing space is surrounded by the first side wall 11, the second side wall 12, the third side wall 13, and the fourth side wall 14.

(Structure of Ice tray)

As shown in fig. 1 and 2, the entire ice tray 20 has a rectangular parallelepiped shape, and the dimension of the ice tray 20 in the X direction is larger than the dimension in the Y direction.

Further, as shown in fig. 1 and 2, the ice making tray 20 is rotatably provided to the frame 10. Specifically, the ice tray 20 is provided in a substantially rectangular parallelepiped housing space surrounded by the first side wall 11, the second side wall 12, the third side wall 13, and the fourth side wall 14. The ice making tray 20 is provided with rotation shaft portions 21 at both ends in the X direction, one of which is connected to an output shaft of a motor 38 included in the ice maker control device 30, and the other of which is rotatably supported by the third side wall 13 (in the illustrated example, rotatably supported by the third side wall 13 about an axis extending in the X direction). The ice tray 20 is also appropriately twisted about its rotational center axis.

Further, as shown in fig. 1 and 2, the ice-making tray 20 has a plurality of cells 22 into which water is injected to make ice. Specifically, the ice-making tray 20 is provided with two rows of cells 22 in the width direction (coinciding with the Y direction in the illustrated example), and each row of cells 22 includes a plurality of (five in the illustrated example) cells 22 arranged in the longitudinal direction (coinciding with the X direction in the illustrated example) of the ice-making tray 20.

(Structure of Ice maker control device)

As shown in fig. 1 and 2, the entire ice maker controlling device 30 has a rectangular parallelepiped shape.

Here, as shown in fig. 1 and 2, the ice maker controlling device 30 is provided to the frame 20. Specifically, the ice maker control device 30 is provided in a substantially rectangular parallelepiped housing space surrounded by the first side wall 11, the second side wall 12, the third side wall 13, and the fourth side wall 14. Ice maker control device 30 and ice tray 20 are provided adjacent to each other in the X direction (in the illustrated example, ice maker control device 30 is provided adjacent to ice tray 20 on the X1 direction side).

Further, as shown in fig. 1 to 3, the ice maker controlling device 30 has a housing 39 and a motor 38 provided to the housing 39. Specifically, the housing 39 is substantially rectangular parallelepiped and is composed of, for example, a case main body having an open box shape and a cover plate that detachably closes the opening of the case main body. The output shaft of the motor 38 protrudes from the housing 39 in the X2 direction, for example, and is connected to the rotating shaft portion on the X1 direction side of the ice tray 20.

Further, as shown in fig. 1 and 2, the ice-detecting lever 40 is rotatably connected to the ice-maker control device 30 (in the illustrated example, the ice-detecting lever 40 is rotatably connected to the ice-maker control device 30 about an axis extending in the Y direction). The ice-detecting lever 40 is rotatably provided on a side wall of the housing 39 of the ice maker control device 30 on the Y1 direction side and is provided adjacent to the ice tray 20 in the Y direction (in the illustrated example, the ice-detecting lever 40 is provided adjacent to the ice tray 20 on the Y1 direction side).

(Circuit configuration of Ice maker control device)

As shown in fig. 3, the ice maker controlling device 30 includes an input unit 31, an inverter unit 32, and a control circuit unit 33 that are electrically connected in this order, the inverter unit 32 converts alternating current input from the input unit 31 into direct current and supplies the direct current to the control circuit unit 33, the inverter unit 32 is electrically connected to the control circuit unit 33 via a first electrical connection unit 341 and a second electrical connection unit 342 that are connected in parallel, one of the first electrical connection unit 341 and the second electrical connection unit 342 includes a switch 3419, and the switch 3419 switches on and off power transmission between the inverter unit 32 and the control circuit unit 33.

Here, as shown in fig. 3, the first electrical connection portion 341 includes a switch 3419, and the second electrical connection portion 342 is connected to ground. Specifically, the first electrical connection portion 341 includes a first wire 3411, the first wire 3411 electrically connects the inverter portion 32 with the control circuit portion 33 and with the output port Vcc of the inverter portion 32, a switch 3419 is provided on the first wire 3411, and the second electrical connection portion 342 includes a second wire 3421, the second wire 3421 electrically connects the inverter portion 32 with the control circuit portion 33 and with the ground port GND of the inverter portion 32.

Further, as shown in fig. 1 to 3, the input portion 31 includes a connector 311, and the connector 311 is electrically connected to the inverter portion 32 via the third and fourth electrical connection portions 3121 and 3122 connected in parallel. Specifically, as shown in fig. 3, the third electrical connection portion 3121 includes a third electrical wire, the third electrical wire 341 electrically connects the connector 311 with the inverter portion 32, and the fourth electrical connection portion 3122 includes a fourth electrical wire, the fourth electrical wire electrically connects the connector 311 with the inverter portion 32. As shown in fig. 1 and 2, the third electric wire and the fourth electric wire are drawn out from the surface of the housing 39 on the Z2 direction side and then extend in the X2 direction along the Z2 direction side of the frame 10.

The inverter unit 32 includes, for example, a plurality of power elements that perform on-off switching. Specifically, the inverter unit 32 includes, for example, an upper arm and a lower arm, each of which includes a plurality of power elements (for example, IGBT power elements or MOS-FET power elements).

In addition, as shown in fig. 3, the ice maker controlling device 30 further includes a thermistor 36, the thermistor 36 is used for detecting the temperature of the ice making tray 20 of the ice maker, and the control circuit part is electrically connected to the thermistor 36. Specifically, the thermistor 36 is provided, for example, on the bottom of the ice tray 20 (on the Z2 direction side of the ice tray 20 in fig. 1).

Further, as shown in fig. 3, the ice maker controlling device 30 further includes a first test switch 371 and a second test switch 372, and the first test switch 371 and the second test switch 372 control, for example, a test operation of the ice maker controlling device 30.

Further, as shown in fig. 3, the ice maker controlling device 30 further includes a relay 379, and the relay 379 has a plurality of ends, wherein one end is electrically connected to the fourth electric wire included in the fourth electric connecting portion 3122, the other end is electrically connected to the connector 311, and the other end is electrically connected to the control circuit portion 33.

The inverter unit 32 is provided on a first circuit board 351 (see fig. 4, for example, formed of a single-sided substrate), and the control circuit unit 33 is provided on a second circuit board 352 (see fig. 4, for example, formed of a double-sided substrate) that is independent of the first circuit board 351. Specifically, first circuit board 351 and second circuit board 352 are fixed to case 39 so that the thickness directions thereof are parallel to each other (for example, so that the thickness direction coincides with the X direction), first circuit board 351 and second circuit board 352 are spaced apart from each other in a direction perpendicular to the thickness directions of first circuit board 351 and second circuit board 352, and a rib portion included in case 39 is provided between first circuit board 351 and second circuit board 352.

(main effect of the present embodiment)

According to the ice maker 1 of the present embodiment, in the ice maker control device 30, the inverter unit 32 is electrically connected to the control circuit unit 33 via the first electrical connection unit 341 and the second electrical connection unit 342 which are connected in parallel, one of the first electrical connection unit 341 and the second electrical connection unit 342 includes the switch 3419, the switch 3419 switches on and off the transmission of electric power between the inverter unit 32 and the control circuit unit 33, and since the rated voltage of the direct current output by the inverter unit 32 is relatively low, sparks are less likely to be generated when the switch 3419 is switched on and off, and the requirement for explosion resistance of the switch 3419 can be reduced or eliminated, whereby the general-purpose, low-cost, and small-sized switch 3419 can be selected and used, and the manufacturing cost can be reduced.

The present invention has been described above by way of example with reference to the accompanying drawings, and it is to be understood that the specific implementations of the present invention are not limited to the above-described embodiments.

For example, in the above-described embodiment, the first electrical connection portion 341 includes the first electrical wire 3411, the first electrical wire 3411 electrically connects the inverter portion 32 and the control circuit portion 33, the second electrical connection portion 342 includes the second electrical wire 3421, and the second electrical wire 3421 electrically connects the inverter portion 32 and the control circuit portion 33, but the present invention is not limited thereto, and a jumper pin (jumper pin) PP may be used instead of the first electrical wire 3411 and/or the second electrical wire 3421 as shown in fig. 4 (in this case, it is preferable that a terminal hole of the first circuit board 351 in which the inverter portion 32 is connected to the jumper pin PP is disposed adjacent to a terminal hole of the second circuit board 352 in which the control circuit portion 33 is disposed to the jumper pin PP).

In the above embodiment, the first electrical connection portion 341 includes the first wire 3411, the first wire 3411 electrically connects the inverter portion 32 and the control circuit portion 33, and the switch 3419 is provided in the first wire 3411, but the present invention is not limited thereto, and in some cases, the first wire 3411 may be omitted and the inverter portion 32 and the control circuit portion 33 may be electrically connected directly through the switch 3419.

In the above embodiment, the inverter unit 32 is provided on the first circuit board 351 and the control circuit unit 33 is provided on the second circuit board 352 which is separate from the first circuit board 351, but the present invention is not limited thereto, and the inverter unit 32 and the control circuit unit 33 may be provided on the same circuit board.

It should be understood that the present invention can freely combine the respective components in the embodiments or appropriately change or omit the respective components in the embodiments within the scope thereof.

Claims (10)

1. An ice maker control device comprising an input part, an inverter part and a control circuit part which are electrically connected in this order, the inverter part converting AC power input from the input part into DC power and supplying the DC power to the control circuit part,

the inverter section is electrically connected to the control circuit section via a first electrical connection section and a second electrical connection section connected in parallel,

one of the first electrical connection portion and the second electrical connection portion includes a switch,

the switch switches on and off of power transmission between the inverter section and the control circuit section.

2. The ice-making machine control device of claim 1,

the first electrical connection comprises the switch,

the second electrical connection is connected to ground.

3. The ice-making machine control device of claim 2,

the first electrical connection portion includes a first electrical wire,

the first electric wire electrically connects the inverter section and the control circuit section, the switch being provided on the first electric wire,

the second electrical connection portion includes a second electrical wire,

the second wire electrically connects the inverter unit and the control circuit unit and is connected to ground.

4. The ice-making machine control device of claim 1,

the inverter part is disposed on the first circuit board,

the control circuit part is arranged on a second circuit board independent of the first circuit board.

5. The control device of an ice maker according to claim 4,

the first electrical connection comprises the switch,

the second electrical connection includes a jumper leg,

the jumper pin electrically connects the inverter section and the control circuit section and is connected to the ground.

6. The ice-making machine control device of claim 1,

the input portion includes a connector for connecting the input portion to the external device,

the connector is electrically connected to the inverter portion via a third electrical connection portion and a fourth electrical connection portion connected in parallel.

7. The ice-making machine control device of claim 6,

the third electrical connection portion includes a third electrical wire,

the third electric wire electrically connects the connector with the inverter portion,

the fourth electrical connection includes a fourth electrical wire,

the fourth wire electrically connects the connector with the inverter portion.

8. The ice-making machine control device of claim 1,

also comprises a motor which is used for driving the motor,

the motor is used for driving an ice making tray of the ice maker and/or an ice detecting rod for detecting the ice amount to move,

the control circuit unit is electrically connected to the motor.

9. The ice-making machine control device of claim 1,

also comprises a thermistor and a control circuit, wherein the thermistor is arranged on the control circuit,

the thermistor is used for detecting the temperature of an ice-making tray of the ice-making machine,

the control circuit part is electrically connected with the thermistor.

10. Ice maker, characterized in that it comprises an ice maker control device according to any of claims 1 to 9.

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