Double-layer electric heating plate and steam brush

Abstract

The disclosure provides a double-layer electric heating plate and a steam brush. The double-layer electric heating plate has a first heating layer and a second heating layer facing away from each other. The first heating layer and the second heating layer are respectively provided with at least two channel units. The channel units of the first heating layer and the channel units of the second heating layer are in communication with each other end to end in a staggered manner through a plurality of through openings to obtain heating channels running back and forth between the first heating layer and the second heating layer, which can effectively prevent the steam brush from dripping when used at all angles.

1 . A double-layer electric heating plate, comprising an electric heating plate body, wherein the electric heating plate body has a first heating layer and a second heating layer facing away from each other, the first heating layer and the second heating layer are respectively provided with at least two channel units, the electric heating plate body is provided with a plurality of through openings, the at least two channel units of the first heating layer and the at least two channel units of the second heating layer are in communication with each other end to end in a staggered manner through the plurality of through openings to obtain heating channels running back and forth between the first heating layer and the second heating layer, a head end of the heating channels is connected to a water inlet on the electric heating plate body, and a tail end of the heating channels is connected to steam outlets on the electric heating plate body. 
     
     
         2 . The double-layer electric heating plate according to  claim 1 , wherein the at least two channel units of the first heating layer are two channel units, namely a first channel unit and a third channel unit, the at least two channel units of the second heating layer are two channel units, namely a second channel unit and a fourth channel unit, the plurality of through openings are three through openings, namely a first through opening, a second through opening and a third through opening, a head end of the first channel unit is connected to the water inlet on the electric heating plate body, the first through opening is in communication with a tail end of the first channel unit and a head end of the second channel unit, the second through opening is in communication with a tail end of the second channel unit and a head end of the third channel unit, the third through opening is in communication with a tail end of the third channel unit and a head end of the fourth channel unit, and the fourth channel unit is connected to the steam outlets as the tail end of the heating channels. 
     
     
         3 . The double-layer electric heating plate according to  claim 1 , wherein the electric heating plate body comprises an upper cover plate, a heating shell, an ironing soleplate and a heater, the upper cover plate covers an upper surface of the heating shell and forms the first heating layer together with the upper surface of the heating shell, the water inlet is provided on the upper cover plate, the ironing soleplate covers a lower surface of the heating shell and forms 
       the second heating layer together with the lower surface of the heating shell, the steam outlets are provided on the ironing soleplate, and the heater is arranged in the heating shell. 
     
     
         4 . The double-layer electric heating plate according to  claim 3 , wherein the heater is a U- shaped heating tube formed by two opposite straight heating sections and a curved heating section connecting the two opposite straight heating sections, the curved heating section of the U-shaped heating tube corresponds to a front side of the heating shell, the two opposite straight heating sections of the U-shaped heating tube correspond to a left side and a right side of the heating shell, and two ends of the U-shaped heating tube are exposed at a rear side of the heating shell for external wiring. 
     
     
         5 . The double-layer electric heating plate according to  claim 4 , wherein the water inlet is provided corresponding to the curved heating section of the heater, and at least a channel unit of the at least two channel units of at least one of the first heating layer or the second heating layer connected to the water inlet is extended and arranged along an arrangement direction of the heater. 
     
     
         6 . The double-layer electric heating plate according to  claim 1 , wherein the plurality of through openings are away from the water inlet on the electric heating plate body. 
     
     
         7 . The double-layer electric heating plate according to  claim 1 , wherein channel side walls of each of the at least two channel units of the first heating layer and the second heating layer extend to an inside of a channel to form blocking walls without partitioning. 
     
     
         8 . The double-layer electric heating plate according to  claim 1 , wherein a temperature sensor is further disposed in the electric heating plate body, and the temperature sensor is arranged upstream of a channel unit of at least one of the first heating layer or the second heating layer connected to the water inlet. 
     
     
         9 . The double-layer electric heating plate according to  claim 8 , wherein the electric heating 
       plate body is provided with a mounting recess at a middle position of the first heating layer, and the temperature sensor is potted in the mounting recess. 
     
     
         10 . A steam brush, comprising at least the double-layer electric heating plate according to  claim 1 . 
     
     
         11 . The steam brush according to  claim 10 , wherein the at least two channel units of the first heating layer are two channel units, namely a first channel unit and a third channel unit, the at least two channel units of the second heating layer are two channel units, namely a second channel unit and a fourth channel unit, the plurality of through openings are three through openings, namely a first through opening, a second through opening and a third through opening, a head end of the first channel unit is connected to the water inlet on the electric heating plate body, the first through opening is in communication with a tail end of the first channel unit and a head end of the second channel unit, the second through opening is in communication with a tail end of the second channel unit and a head end of the third channel unit, the third through opening is incommunication with a tail end of the third channel unit and a head end of the fourth channel unit, and the fourth channel unit is connected to the steam outlets as the tail end of the heating channels. 
     
     
         12 . The steam brush according to  claim 10 , wherein the electric heating plate body comprises an upper cover plate, a heating shell, an ironing soleplate and a heater, the upper cover plate covers an upper surface of the heating shell and forms the first heating layer together with the upper surface of the heating shell, the water inlet is provided on the upper cover plate, the ironing soleplate covers a lower surface of the heating shell and forms the second heating layer together with the lower surface of the heating shell, the steam outlets are provided on the ironing soleplate, and the heater is arranged in the heating shell. 
     
     
         13 . The steam brush according to  claim 12 , wherein the heater is a U-shaped heating tube formed by two opposite straight heating sections and a curved heating section connecting the two opposite straight heating sections, the curved heating section of the U-shaped heating tube 
       corresponds to a front side of the heating shell, the two opposite straight heating sections of the U-shaped heating tube correspond to a left side and a right side of the heating shell, and two ends of the U-shaped heating tube are exposed at a rear side of the heating shell for external wiring. 
     
     
         14 . The steam brush according to  claim 13 , wherein the water inlet is provided corresponding to the curved heating section of the heater, and at least a channel unit of the at least two channel units of at least one of the first heating layer or the second heating layer connected to the water inlet is extended and arranged along an arrangement direction of the heater. 
     
     
         15 . The steam brush according to  claim 10 , wherein the plurality of through openings are away from the water inlet on the electric heating plate body. 
     
     
         16 . The steam brush according to  claim 10 , wherein channel side walls of each of the at least two channel units of the first heating layer and the second heating layer extend to an inside of a channel to form blocking walls without partitioning. 
     
     
         17 . The steam brush according to  claim 10 , wherein a temperature sensor is further disposed in the electric heating plate body, and the temperature sensor is arranged upstream of a channel unit of at least one of the first heating layer or the second heating layer connected to the water inlet. 
     
     
         18 . The steam brush according to  claim 17 , wherein the electric heating plate body is provided with a mounting recess at a middle position of the first heating layer, and the temperature sensor is potted in the mounting recess.