CN206959027U - Electromagnetic oven - Google Patents

Abstract

The utility model provides an induction cooker, including drain pan (10), power cord (70) that have the plug and water tank (30), circuit board (40) and coil panel (20) of setting in drain pan (10), still include: electric leakage circuit breaker (60), electric leakage circuit breaker (60) include at least three input interface and at least three output interface that corresponds with the input interface, wherein live wire (71) that three input interface corresponds the access power cord (70) among the input interface, zero line (72) and ground wire (73), zero line interface and live wire interface in the output interface all link to each other with circuit board (40) electrical property, ground wire interface in the output interface links to each other with the one end of wearing to establish ground wire lead (51) on water tank (30), and the other end of ground wire lead (51) and the coolant liquid contact in water tank (30), the utility model discloses an electromagnetism stove has avoided the coolant liquid of revealing and the electric leakage problem that arouses, has ensured the safe handling of electromagnetism stove.

Description

Electromagnetic oven

Technical field

A kind of household electrical appliance are the utility model is related to, more particularly to one kind is with earth leakage protective electromagnetic oven.

Background technology

Electromagnetic oven is a kind of widely used cooking apparatus, wherein, coil panel can produce largely during electromagnetic oven use Heat, conventional coil panel radiating mode has wind-cooling heat dissipating and water-cooling, and wind-cooling heat dissipating is often radiated using fan, so And use needs to open up air inlet and air outlet on electromagnetic oven during fan cooling, such water or debris easily enter from inlet and outlet In electromagnetic oven, therefore, water-cooling is increasingly becoming a kind of development trend.

At present, patent (CN201269562Y) discloses a kind of electromagnetic oven with water-cooling heat radiating system, specifically include (referring to Fig. 1)：Body of heater 9, body of heater 9 is interior to be provided with metal water tank 1, absorbing heat disk and water-filled radiator 8, wherein, absorbing heat disk and water-filled radiator 8 Water stream channel is inside equipped with, absorbing heat disk is in contact with drum 5, and is filled between absorbing heat disk and drum 5 using Heat Conduction Material pad, Absorbing heat disk be used for drum 5 is radiated, water-filled radiator 8 is located on wiring board 10, and with the power consumption gas part on wiring board 10 It is affixed, for being radiated to the power consumption gas part on wiring board 10, as shown in figure 1, water pipe 3 and water pipe head 4 are by water tank 1, water Pump 2, absorbing heat disk and water-filled radiator 8 are connected in turn, and form the water circulation loop of a closure,

However, in above-mentioned electromagnetic oven, when using water circulation loop to electromagnetic oven heat radiation, once electromagnetic oven is by external force During so that drainage occurring in water tank rupture or the water pipe on water circulation loop or water pipe head, in water circulation loop Coolant can be spilt into body of heater, and when wiring board and drum overflow have coolant, coolant is powered so that occurring in electromagnetic oven Leaky, so that consumer has the risk of electric shock when using electromagnetic oven, causes electromagnetic oven to deposit in use In larger potential safety hazard.

Utility model content

In order to solve in the electromagnetic oven mentioned in background technology because coolant spilling causes to leak electricity and easily causes electric shock extremely A few problem, the utility model provide a kind of electromagnetic oven safe to use.

The utility model provides a kind of electromagnetic oven, including drain pan, the power line with plug and is arranged on the drain pan Interior water tank, circuit board and coil panel, in addition to：

RCCB, the RCCB include at least three input interfaces and at least three and the input interface Corresponding output interface, wherein, wherein three input interfaces in the input interface correspondingly access the power line live wire, Zero line and ground wire, zero line interface and fire-wire interfaces in the output interface are electrical connected with the circuit board, the output Interface of the ground wire in interface is connected with the one end for the ground wire lead being located on the water tank, and the other end of the ground wire lead Contacted with the coolant in the water tank.

By setting RCCB, the RCCB include at least three input interfaces and at least three with it is described Output interface corresponding to input interface, wherein, wherein three input interfaces in the input interface correspondingly access the power supply Live wire, zero line and the ground wire of line, zero line interface and fire-wire interfaces in the output interface are electrical connected with the circuit board, Interface of the ground wire in the output interface is connected with the one end for the ground wire lead being located on the water tank, and the ground wire lead The other end contacted with the coolant in the water tank, so after the coolant of leakage is powered ground wire lead can be caused powered, And the powered current balance type for destroying RCCB of ground wire lead so that RCCB disconnects, and RCCB is disconnected Open so that the complete machine power supply of electromagnetic oven is cut off, and then avoids risk of being leaked electricity caused by coolant leakage, it is ensured that electromagnetism The security of stove in use.

Optionally, the RCCB is located in the drain pan, and wherein three inputs of the RCCB connect Live wire, zero line and ground wire of the mouth respectively with the power supply line output terminal are connected, described in the RCCB output interface Zero line interface and the fire-wire interfaces are electrical connected by live wire lead and zero line lead with the circuit board respectively.

Optionally, the RCCB is located at the line of the power line outside the drain pan, and the leakage The input interface and output interface of electrical circuit breakers correspond to live wire, zero line and the ground wire of the access power line, the power supply respectively The zero line and live wire of line output terminal are electrical connected by live wire lead and zero line lead with the circuit board respectively, the power line The ground wire of output end is connected with one end of the ground wire lead.

Optionally, open up the through hole for being available for the ground wire lead to pass through on the water tank, and the ground wire lead with it is described Seal is provided between through hole.

Optionally, one end of the ground wire lead is stretched into the water tank through the through hole, and the ground wire lead position It is connected in one end in the water tank on the inner bottom surface of the water tank.

Optionally, the circuit board is provided with wiring corresponding with the connector lug of the live wire lead and the zero line lead Terminal.

Optionally, the RCCB is fixed in the drain pan by screw or buckle.

Optionally, the input interface of the RCCB is respectively between the live wire, zero line and ground wire of the power line It is detachably connected；

The output interface of the RCCB respectively with the live wire lead, the zero line lead and the ground wire lead It is detachably connected.

Optionally, at least one in the circuit board and the coil panel is arranged on the water tank.

Construction of the present utility model and its other purpose of utility model and beneficial effect will be in conjunction with the accompanying drawings Description of preferred embodiments and it is more obvious understandable.

Brief description of the drawings

Fig. 1 is the structural representation of existing electromagnetic oven；

Fig. 2 is the structural representation for the electromagnetic oven that the utility model embodiment one provides；

Fig. 3 is the structural representation for the electromagnetic oven that the utility model embodiment two provides.

Description of reference numerals：

Drain pan -10；

Coil panel -20；

Water tank -30；

Coolant -31；

Circuit board -40；

Binding post -41；

Ground wire lead -51；

Live wire lead -52；

Zero line lead -53；

RCCB -60；

Power line -70；

Live wire -71；

Zero line -72；

Ground wire -73；

Output end -74.

Embodiment

Embodiment one

Fig. 2 is the structural representation for the electromagnetic oven that the utility model embodiment one provides, as shown in Fig. 2 in the present embodiment, Electromagnetic oven includes：Drain pan 10, the power line 70 with plug, coil panel 20, circuit board 40 and the water tank being arranged in drain pan 10 30, wherein, coolant 31 is stored in water tank 30, the heat that coolant 31 is used to distribute circuit board 40 and coil panel 20 is carried out Absorbing, one end of power line 70 is stretched into drain pan 10 to be connected with circuit board 40, when electromagnetic oven needs to switch on power, power line 70 Plug and external power supply grafting realize power on, electromagnetic oven also includes the panel that lid is located on drain pan 10, and drain pan 10 Lamp plate and radiating element are inside additionally provided with, those structures specifically may be referred to the structure of existing electromagnetic oven, in the present embodiment no longer Repeat.

Wherein, in the present embodiment, when water tank 30 ruptures, the coolant 31 in water tank 30 can flow into drain pan 10 Go out, and due to electrical body be present in drain pan 10, after coolant 31 contacts with electrical body so that coolant 31 is powered, and powered Coolant 31 cause the risk that electric leakage in drain pan 10 be present, larger potential safety hazard be present when using electromagnetic oven in consumer, Therefore, in order to which the coolant 31 for preventing from overflowing in water tank 30 is powered and causes electromagnetic oven electrical leakage problems occur, in the present embodiment, such as Shown in Fig. 2, in addition to：RCCB 60, wherein, RCCB 60 include at least three input interfaces and at least three with Output interface corresponding to input interface, wherein, wherein three input interfaces at least three input interfaces can be respectively zero Line input interface, live wire input interface and ground wire input interface, corresponding output interface are respectively that zero line output interface, live wire are defeated Outgoing interface and ground wire output interface, wherein, (zero line inputs wherein three input interfaces in the input interface of RCCB 60 Interface, live wire input interface and ground wire input interface) correspond to live wire 71, zero line 72 and the ground wire 73 for accessing power line 70, that is, leak The input interface of electrical circuit breakers 60 correspondingly accesses the live wire 71, zero line 72 and ground wire 73 of power line 70, the zero line in output interface Interface (i.e. zero line output interface) and fire-wire interfaces (i.e. live wire output interface) are electrical connected with circuit board 40, i.e. leakage, breaking Zero line output interface and live wire output interface in the output interface of device 60 are connected to circuit board 40 by lead, and output interface In interface of the ground wire (ground wire output interface) be connected with the one end for the ground wire lead 51 being located on water tank 30, and ground wire lead 51 The other end contacted with the coolant 31 in water tank 30.

Wherein, in the present embodiment, the operation principle of RCCB 60 is：When the coolant 31 in water tank 30 leaks When, after the coolant 31 that lets out contacts with the charging member in drain pan 10, coolant 31 with charging member because contacting and band Electricity, and the coolant 31 due to leakage does not disconnect with remaining coolant 31 in water tank 30, so the cooling so in water tank 30 Liquid 31 can also be in electriferous state, and the ground wire lead 51 now contacted with coolant 31 in water tank 30 also begins to powered, and ground wire The current balance type of RCCB 60 is destroyed after lead 51 is powered, now, RCCB 60 performs disconnection action so that electricity The complete machine power supply of magnetic stove is cut off, accordingly even when the coolant 31 that coolant 31 flows out and revealed flows out also not to outside drain pan 10 The risk that can be got an electric shock, therefore, risk of being leaked electricity caused by the leakage of coolant 31 is avoided by RCCB 60 so that The use of electromagnetic oven is safer.

Wherein, in the present embodiment, as shown in Fig. 2 specifically, RCCB 60 is located in drain pan 10, and leakage, breaking Live wire 71, zero line 72 and ground wire 73 of wherein three input interfaces of device 60 respectively with the output end 74 of power line 70 are connected, electric leakage Zero line interface and fire-wire interfaces in the output interface of breaker 60 pass through live wire lead 52 and zero line lead 53 and circuit board respectively 40 are electrical connected, and the interface of the ground wire in the output interface of RCCB 60 is connected with one end of ground wire lead 51, i.e. leakage, breaking Device 60 is located between the output end 74 of power line 70 and circuit board 40.

Wherein, in the present embodiment, RCCB 60 is specifically chosen for 220V, 10A RCCB 60, so leaks electricity Breaker 60 detects disconnects live wire and zero line bipolar current when generation leakage current is more than 10mA in circuit, wherein, electric leakage is disconnected Road device 60 is a kind of existing equipment, and its structure and principle may be referred to existing RCCB.

Wherein, in the present embodiment, it is configured for the ease of ground wire lead 51 on water tank 30, specifically, in water tank 30 On open up the through hole for being available for ground wire lead 51 to pass through, and seal is provided between ground wire lead 51 and through hole, passing through seal will Sealed between ground wire lead 51 and through hole.

Wherein, in the present embodiment, after the coolant 31 in water tank 30 leaks, the liquid level of coolant 31 in water tank 30 It can reduce, in order to prevent that ground wire lead 51 from can not contact with remaining coolant 31 in water tank 30 and cause RCCB 60 not It can in time disconnect and cause electrical leakage problems, in the present embodiment, specifically, water tank 30 is stretched into one end of ground wire lead 51 through through hole It is interior, and one end that ground wire lead 51 is located in water tank 30 is connected on the inner bottom surface of water tank 30, which ensures that ground wire lead 51 But fully contacted with the cooling in water tank 30, avoiding ground wire lead 51 can not contact and cause with the coolant 31 in water tank 30 The problem of RCCB 60 can not in time disconnect and cause electric leakage.

Wherein, in the present embodiment, it is electrical connected with the electricity of circuit board 40 for convenience of live wire lead 52 and zero line lead 53, such as schemes Shown in 2, binding post 41 corresponding with the connector lug of live wire lead 52 and zero line lead 53 is provided with circuit board 40, is so connected When connecing, the connector lug of live wire lead 52 and zero line lead 53 be directly plugged on corresponding on binding post 41, during dismounting, Ke Yizhi Connect and push live wire lead 52 and zero line lead 53 from binding post 41 aside so that the installation of live wire lead 52 and zero line lead 53 It is more convenient with dismounting.

Wherein, in the present embodiment, draw in order to facilitate each input interface and output interface of RCCB 60 with corresponding Line is attached and dismantled, in the present embodiment, the input interface of RCCB 60 live wire 71, the zero line with power line 70 respectively It is detachably connected between 72 and ground wire 73；The output interface of RCCB 60 respectively with live wire lead 52, zero line lead 53 and Ground wire lead 51 is detachably connected.

Wherein, in the present embodiment, when RCCB 60 is located in drain pan 10, RCCB 60 can by screw or Buckle is fixed in drain pan 10, and RCCB 60 during installation, is deposited in drain pan 10 between RCCB 60 and drain pan 10 In certain gap, i.e. RCCB 60 is located on drain pan 10 by support.

Wherein, in the present embodiment, as shown in Fig. 2 in order to ensure that there is good radiating to imitate for coil panel 20 and circuit board 40 Fruit, at least one in circuit board 40 and coil panel 20 can be arranged on water tank 30, such as shown in Fig. 2 by circuit board 40 are located on water tank 30, or circuit board 40 and coil panel 20 can be each provided on water tank 30 and be radiated.

Embodiment two

Fig. 3 is the structural representation for the electromagnetic oven that the utility model embodiment two provides, in the present embodiment, as shown in figure 3, RCCB 60 is located at the line of the power line 70 outside drain pan 10, i.e., RCCB 60 is located at outside drain pan 10, and is leaked electricity Breaker 60 is located on power line 70, specifically, as shown in figure 3, the power line 70 outside drain pan 10 is cut, RCCB 60 are connected to the gap of power line 70, specifically, wherein three input interfaces of RCCB 60 correspond to access electricity respectively Live wire 71, zero line 72 and the ground wire 73 of source line 70, the corresponding access electricity of wherein three corresponding output interfaces of RCCB 60 Live wire 71, zero line 72 and the ground wire 73 that the other end of source line 70 disconnects, the power line 70 that will be switched off by RCCB 60 connect Together, RCCB 60 is used as a part for power line 70, wherein, the output end 74 of power line 70 passes through bottom Shell 10 is stretched into drain pan 10, and the zero line 72 of the output end 74 of power line 70 and live wire 71 are drawn by live wire lead 52 and zero line respectively Line 53 is electrical connected with circuit board 40, and the ground wire 73 of the output end 74 of power line 70 is connected with one end of ground wire lead 51.

Wherein, in the present embodiment, when RCCB 60 is located on the power line 70 outside drain pan 10, specifically, can incite somebody to action RCCB 60 is located at power line 70 on one end of plug.

Wherein, in the present embodiment, when RCCB 60 is located in drain pan 10, after RCCB 60 disconnects, if electric When the binding post of the output end 74 of source line 70 is located at the front end of RCCB 60, the circuit of front end still has electric current input, so The coolant 31 of leakage it is possible to touch the binding post of power line 70, can still occur between two such terminal short circuit and The risk of electric leakage, and in the present embodiment, by the way that RCCB 60 is located at outside drain pan 10, so when RCCB 60 disconnects Afterwards, even if the coolant 31 of leakage touches the binding post of power line 70 in drain pan 10, but due to RCCB 60 with There is no electric current input between binding post, so as to which the wind in short circuit and electric leakage will not be still suffered from after the disconnection of RCCB 60 Danger, therefore, in the present embodiment, by being located at RCCB 60 on the power line 70 outside drain pan 10, further prevents Leak electricity short-circuit risk caused by any possible coolant 31 is revealed in electromagnetic oven bottom shell 10, and RCCB 60 is close Set during plug so that the liquid that RCCB 60 is disconnected on aftertable face is not easy have electric current with the front end of RCCB 60 The power cord connector of output is in contact, and leaky occurs outside drain pan 10 so as to further avoid.

Wherein, in the present embodiment, when RCCB 60 is located on the power line 70 outside drain pan 10, RCCB 60 Input interface and output interface leak respectively between the zero line 72, live wire 71 and ground wire 73 of power line 70 to be detachably connected When electrical circuit breakers 60 are located on power line 70, tight fit between the both ends of RCCB 60 and power line 70, power supply is avoided There is exposed phenomenon when being connected between the interface of each lead and RCCB 60 in line 70.

Finally it should be noted that：Various embodiments above is only to illustrate the technical solution of the utility model, rather than it is limited System；Although the utility model is described in detail with reference to foregoing embodiments, one of ordinary skill in the art should Understand：It can still modify to the technical scheme described in foregoing embodiments, either to which part or whole Technical characteristic carries out equivalent substitution；And these modifications or replacement, the essence of appropriate technical solution is departed from this practicality newly The scope of each embodiment technical scheme of type.

Claims (9)

1. a kind of electromagnetic oven, including drain pan (10), the power line (70) with plug and it is arranged in the drain pan (10) Water tank (30), circuit board (40) and coil panel (20), it is characterised in that：Also include：

RCCB (60), the RCCB (60) include at least three input interfaces and at least three and the input Output interface corresponding to interface, wherein, wherein three input interfaces in the input interface correspondingly access the power line (70) live wire (71), zero line (72) and ground wire (73), zero line interface and fire-wire interfaces in the output interface with it is described Circuit board (40) is electrical connected, the interface of the ground wire in the output interface and the ground wire lead being located on the water tank (30) (51) one end is connected, and the other end of the ground wire lead (51) contacts with the coolant in the water tank (30).

2. electromagnetic oven according to claim 1, it is characterised in that：The RCCB (60) is located at the drain pan (10) It is interior, and wherein three input interfaces of the RCCB (60) live wire with the power line (70) output end (74) respectively (71), zero line (72) is connected with ground wire (73), the zero line interface in RCCB (60) output interface and described Fire-wire interfaces are electrical connected by live wire lead (52) and zero line lead (53) with the circuit board (40) respectively.

3. electromagnetic oven according to claim 1, it is characterised in that：The RCCB (60) is located at the drain pan (10) With the line of the outer power line (70), and the input interface of the RCCB (60) and output interface correspond to connect respectively Enter the live wire, zero line and ground wire of the power line (70), the zero line (72) and live wire of power line (70) output end (74) (71) it is electrical connected respectively by live wire lead (52) and zero line lead (53) with the circuit board (40), the power line (70) The ground wire (73) of output end (74) is connected with one end of the ground wire lead (51).

4. according to any described electromagnetic ovens of claim 1-3, it is characterised in that：Open up and be available for describedly on the water tank (30) The through hole that line lead (51) passes through, and seal is provided between the ground wire lead (51) and the through hole.

5. electromagnetic oven according to claim 4, it is characterised in that：One end of the ground wire lead (51) passes through the through hole Stretch into the water tank (30), and one end that the ground wire lead (51) is located in the water tank (30) is connected to the water tank (30) on inner bottom surface.

6. the electromagnetic oven according to Claims 2 or 3, it is characterised in that：The circuit board (40) is provided with and the live wire Binding post (41) corresponding to the connector lug of lead (52) and the zero line lead (53).

7. electromagnetic oven according to claim 2, it is characterised in that：The RCCB (60) is consolidated by screw or buckle It is scheduled in the drain pan (10).

8. electromagnetic oven according to claim 2, it is characterised in that：The input interface of the RCCB (60) respectively with It is detachably connected between the live wire (71) of the power line (70), zero line (72) and ground wire (73)；

The output interface of the RCCB (60) respectively with the live wire lead (52), the zero line lead (53) and described Ground wire lead (51) is detachably connected.

9. according to any described electromagnetic ovens of claim 1-3, it is characterised in that：The circuit board (40) and the coil panel (20) at least one in is arranged on the water tank (30).