CN103417106B - A kind of electric steamer - Google Patents

Abstract

The invention provides an electric steamer, which includes a pot cover, a steamer, a water tank, and a base, and the base is provided with a shell, an outer pot, a heater, a control module and a base, and the water tank is arranged on the base , the water tank and the base are in a separate connection structure, the water tank is provided with a temperature measurement module, and the temperature measurement module is provided with a temperature sensing element and a signal transmitter. The water tank and the base of the present invention have a separate connection structure, which is convenient for cleaning the water tank. By installing a temperature measurement module on the water tank, it avoids large errors in the measured water temperature due to poor contact, and at the same time cancels the installation hole structure in the base, which can effectively prevent water from flowing into the electrical components in the base through the assembly gap First, eliminate potential safety hazards.

Description

an electric steamer

technical field

The invention relates to a kitchen appliance, in particular to an electric steamer.

Background technique

Electric steamer, also called electric steamer, is a kind of kitchen appliances developed on the basis of traditional wooden steamer, bamboo steamer, aluminum steamer, etc., which uses the principle of electric steam to directly steam various delicacies. Most electric steamers in the prior art are integrally designed with a water tank and a base, and the heater installed in the base heats the water in the water tank. In the electric steamer with this structure, the water tank cannot be separated from the base, which makes it extremely inconvenient to clean the water tank. In addition, in order to detect the temperature of the water in the water tank, the electric steamer with this structure generally has a mounting hole in the center of the bottom of the outer pot that is in contact with the water tank in the base, and the thermostat fixed on the mounting hole is in contact with the water tank. temperature check. This structural design has the following defects: 1. The temperature detection through the contact with the water tank is likely to cause a large error in the measured water temperature due to poor contact, thereby affecting the time control of the steamed food, causing the food to fail to obtain the expected taste; 2. There is an assembly gap between the thermostat and the outer pot. When cleaning the water tank, it is easy to splash water into the outer pot. The water flows into the electrical components in the base through the assembly gap, causing a short circuit and affecting the use of the entire electric steamer. life, and even cause fire and other major safety accidents, there are serious safety hazards.

Contents of the invention

In order to overcome the deficiencies of the prior art, the present invention provides a water tank that can be separated from the base, which is convenient for cleaning the water tank, and at the same time, the temperature measurement is accurate, which can effectively prevent water from flowing into the electrical components in the base through the assembly gap, and eliminate potential safety hazards , an electric steamer with higher safety.

The technical solution adopted by the present invention to solve the technical problem is: an electric steamer, comprising a pot cover, a steamer, a water tank, and a base, and the base is provided with a shell, an outer pot, a heater, a control module, and a base, The water tank is arranged on the base, and the water tank and the base are in a separate connection structure. The water tank is provided with a temperature measurement module, and the temperature measurement module is provided with a temperature sensing element and a signal transmitter .

The water tank and the base of the present invention have a separate connection structure, which is convenient for cleaning the water tank. By installing a temperature measurement module on the water tank, it avoids large errors in the measured water temperature due to poor contact, and at the same time cancels the installation hole structure in the base, which can effectively prevent water from flowing into the electrical components in the base through the assembly gap First, eliminate potential safety hazards. When the electric steamer is working, the temperature-sensing element on the temperature-measuring module detects the temperature of the water tank, and sends the detected temperature to the control module on the base with an RF signal through the signal transmitter. The received temperature signal is adjusted accordingly, and the heater is controlled to heat the water in the water tank, so that the electric steamer can work safely.

In one embodiment, a groove is provided on the outside of the bottom of the water tank, and the temperature measurement module is arranged in the groove, and the structure is simple and reasonable. The temperature measurement module is arranged at the bottom of the water tank, and the temperature measurement is more accurate.

In one embodiment, a nut is provided in the groove, a printed circuit board, a cover plate and screws are provided on the temperature measuring module, the printed circuit board includes a temperature sensing element, a signal transmitter, and a battery, Both the printed circuit board and the cover plate are provided with through holes, and the screws pass through the through holes to connect with the nuts, and the temperature measurement module is installed on the On the water tank, at the same time, the connection is fastened and safe to avoid poor contact.

In a preferred embodiment, an annular column is provided at the through hole on one side of the cover plate, and an opening is provided on the annular column, and the printed circuit board is socketed on the annular column through the through hole. The temperature element snaps into the opening.

In a preferred embodiment, the cover plate is provided with an annular rib matching the size of the printed circuit board, and the annular rib surrounds the edge of the printed circuit board to prevent water from entering the temperature measurement module, flow to the printed circuit board.

In a preferred embodiment, the gap between the annular rib and the edge of the printed circuit board is filled with resin, and the sealing process is performed by filling the resin to further ensure that the electrical components on the printed circuit board are not affected by water.

In a preferred embodiment, the temperature sensing element is provided with fixing holes. When the screw passes through the through hole, it also passes through the fixing hole, and the temperature sensing element is further pressed against the end face of the nut, thereby ensuring that the temperature change of the water in the water tank can be accurately detected.

In a preferred embodiment, an annular rib is provided at the through hole on the other side of the cover plate. The nut of the screw is pressed against the annular rib to form a line contact between the plane and the arc to ensure that water will not enter the temperature measurement module through the through hole on the cover plate.

In a preferred embodiment, the cover plate is provided with a plurality of drainage holes for draining water that enters between the cover plate and the groove under abnormal conditions, so as to eliminate hidden dangers.

In one embodiment, the bottom surface of the outer pot is set as a closed surface, and the installation hole structure on the bottom surface of the outer pot is canceled to ensure that water will not flow into the electrical components in the base through the bottom surface of the outer pot under abnormal conditions. Screw columns are arranged on the bottom surface of the outer pot for fixing with the base.

The beneficial effect of the present invention is that: the water tank and the base of the present invention have a separate connection structure, which is convenient for cleaning the water tank. By installing a temperature measurement module on the water tank, it avoids large errors in the measured water temperature due to poor contact, and at the same time cancels the installation hole structure in the base, which can effectively prevent water from flowing into the electrical components in the base through the assembly gap First, eliminate potential safety hazards. When the electric steamer is working, the temperature-sensing element of the temperature measuring module detects the temperature of the water tank, and sends the detected temperature to the control module on the base with an RF signal through the signal transmitter. The received temperature signal is adjusted accordingly, and the heater is controlled to heat the water in the water tank, so that the electric steamer can work safely.

Description of drawings

Fig. 1 is a schematic cross-sectional structure diagram of an embodiment of the present invention.

Fig. 2 is an exploded view of a water tank in one embodiment of the present invention.

Fig. 3 is a schematic cross-sectional structure diagram of a water tank in an embodiment of the present invention.

FIG. 4 is an enlarged schematic view of part A in FIG. 3 .

Fig. 5 is an exploded view of a temperature measurement module in an embodiment of the present invention.

Fig. 6 is another perspective exploded view of the temperature measurement module in an embodiment of the present invention.

Fig. 7 is a schematic diagram of the three-dimensional structure of the outer pot in an embodiment of the present invention.

Other components irrelevant to the design points of the present invention are omitted in the figure.

detailed description

The present invention will be described in further detail below in conjunction with the accompanying drawings and specific embodiments.

As shown in Figure 1, a kind of electric steamer 100 of the present invention comprises pot lid 101, steamer 102, water tank 103, base 104, and described base 104 is provided with shell 105, outer pot 106, heater 107, Control module (not shown) and base 108. The outer casing 105 is fixed on the base 108 to form a cavity with an open upper end, the outer pot 106 is placed in the cavity, and is placed on the outer casing 105 through a supporting edge at the upper end. The heater 107 and the control module are placed between the outer pot 106 and the base 108, and the heater 107 is electrically connected to the control module. The water tank 103 is arranged on the base 104, the water tank 103 and the base 104 are separate connection structures, the water tank 103 is provided with a temperature measurement module 109, and the temperature measurement module 109 is provided with Temperature sensing element and signal transmitter.

The water tank 103 and the base 104 of the present invention have a separate connection structure, which is convenient for cleaning the water tank. By installing the temperature measuring module 109 on the water tank 103, the large error of the measured water temperature due to poor contact is avoided. At the same time, the installation hole structure in the base 104 is canceled, which can effectively prevent water from flowing into the base 104 through the assembly gap. In the electrical components, to eliminate potential safety hazards. When the electric steamer is working, the temperature sensing element on the temperature measuring module 109 detects the temperature of the water tank 103, and sends the detected temperature to the control module on the base 104 through a signal transmitter with an RF radio frequency signal. The control module makes corresponding adjustments according to the received temperature signal, controls the heater 107 to heat the water in the water tank 103, and makes the electric steamer work safely.

As shown in Fig. 2, Fig. 3 and Fig. 4, in this embodiment, the water tank 103 includes a water tank body 110, a temperature measuring module 109 arranged on the water tank body 110, and a temperature measuring module 109 arranged on both sides of the upper end of the water tank body 110. The handle 111. The outside of the bottom of the water tank 103 is provided with a groove 112, and the temperature measuring module 109 is arranged in the groove 112, and the structure is simple and reasonable. The temperature measuring module 109 is arranged at the bottom of the water tank 103, and the temperature measurement is more accurate.

As shown in Fig. 2, Fig. 5 and Fig. 6, in this embodiment, a nut 113 is arranged in the groove 112, and a printed circuit board 114, a cover plate 115 and a screw 116 are arranged on the temperature measuring module 109, The printed circuit board 114 includes a temperature sensing element 117, a signal transmitter (not shown), and a battery 118. Both the printed circuit board 114 and the cover plate 115 are provided with through holes 119, and the screws 116 The through hole 119 is connected with the nut 113, and the temperature measurement module 109 is installed on the water tank 103 through the simple cooperation of the screw 116 and the nut 113, and the connection is fastened and safe to avoid poor contact.

As shown in Figure 6, in this embodiment, an annular column 120 is provided at a through hole 119 on one side of the cover plate 115, an opening 121 is provided on the annular column 120, and the printed circuit board 114 is set through the through hole 119. Connected to the ring column 120 , the temperature sensing element 117 is snapped into the opening 121 .

In this embodiment, the cover plate 115 is provided with an annular rib 122 matching the size of the printed circuit board 114, and the annular rib 122 surrounds the edge of the printed circuit board 114 to prevent water from entering the test chamber. The temperature module 109 flows onto the printed circuit board 114.

In this embodiment, the gap between the annular rib 122 and the edge of the printed circuit board 114 is filled with resin, and the sealing process is performed by filling the resin to further ensure that the electrical components on the printed circuit board 114 are not affected by water.

As shown in FIG. 5 and FIG. 6 , in this embodiment, the temperature sensing element 117 is provided with a fixing hole 123 . When the screw 116 passes through the through hole 119, it also passes through the fixing hole 123, and the temperature sensing element 117 is further compressed on the end face of the nut 113, thereby ensuring that the water in the water tank 103 can be accurately detected. temperature change.

As shown in FIG. 4 and FIG. 5 , in this embodiment, an annular rib 124 is provided at the through hole 119 on the other side of the cover plate 115 . The nut of the screw 116 is pressed against the annular rib 124 to form a line contact between the plane and the arc to ensure that water will not enter the temperature measurement module 109 through the through hole 119 on the cover plate 115 .

As shown in Fig. 4, Fig. 5 and Fig. 6, in this embodiment, the cover plate 115 is provided with a plurality of drainage holes 125, which are used to discharge water that enters between the cover plate 115 and the groove 112 under abnormal conditions, and eliminates Hidden danger.

As shown in FIG. 7 , in this embodiment, the supporting edge of the outer pot 106 is provided with a locking groove 126 matching with the handle 111 of the water tank for placing the handle 111 of the water tank. The outer pot bottom 127 is set as a closed surface, and the installation hole structure on the outer pot bottom 127 is canceled to ensure that water will not flow into the electrical components in the base 104 through the outer pot bottom 127 under abnormal conditions. The bottom surface 127 of the outer pot is provided with a screw column 128 for fixing with the base 108 .

The above are only preferred embodiments of the present invention, but the design concept of the present invention is not limited thereto, and any insubstantial modifications made to the present invention using this concept also fall within the scope of protection of the present invention.

Claims (8)

1. An electric steamer, comprising a pot cover, a steamer, a water tank, a base, the base is provided with a shell, an outer pot, a heater, a control module and a base, and the water tank is located on the base, It is characterized in that the water tank and the base are in a separate connection structure, the water tank is provided with a temperature measurement module, and the temperature measurement module is provided with a temperature sensing element and a signal transmitter; A groove is provided on the outside of the bottom of the water tank, and the temperature measurement module is arranged in the groove; A nut is arranged in the groove, and a printed circuit board, a cover plate and screws are arranged on the temperature measuring module, the printed circuit board includes a temperature sensing element, a signal transmitter, a battery, and the printed circuit board Both the cover plate and the cover plate are provided with through holes, and the screws pass through the through holes and are connected with the nuts. 2. The electric steamer according to claim 1, wherein an annular post is provided at a through hole on one side of the cover plate, an opening is provided on the annular post, and the printed circuit board is socketed through the through hole On the annular post, the temperature sensing element is snapped into the opening. 3. The electric steamer according to claim 1, characterized in that, the cover plate is provided with an annular rib matching the size of the printed circuit board, and the annular rib connects the printed circuit board Surrounded by edges. 4 . The electric steamer according to claim 3 , wherein the gap between the annular rib and the edge of the printed circuit board is filled with resin. 5. The electric steamer according to claim 1, wherein a fixing hole is provided on the temperature sensing element. 6 . The electric steamer according to claim 1 , wherein an annular rib is provided at the through hole on the other side of the cover plate. 7 . 7. The electric steamer according to claim 1, characterized in that, the cover plate is provided with several drainage holes. 8 . The electric steamer according to any one of claims 1 to 7 , characterized in that, the bottom surface of the outer pot is set as a closed surface, and screw columns are arranged on the bottom surface of the outer pot.