Plug-in heating vacuum cup

Abstract

According to the plug-in heating vacuum cup, due to the fact that the integrated control assembly is arranged on the power line, the bottom of the vacuum cup body is thinner, the volume in the vacuum cup body is larger under the condition that the size of the vacuum cup body is not changed, and the situation that the internal volume of the vacuum cup body is affected due to the fact that the integrated control assembly is arranged in the cavity is avoided. The connecting male head on the power line is connected with the connecting female base on the vacuum cup body in an inserted mode, so that the integrated control assembly can control the heating module to heat liquid in the vacuum cup body, hot water is provided or heat preservation is conducted, and a user can use the vacuum cup conveniently. Due to the fact that only the heating module is arranged at the bottom of the vacuum cup body, the thickness of the bottom of the vacuum cup body is smaller, the space for storing the solution in the vacuum cup body is larger, and the bottom of the vacuum cup body is thinner and convenient to use without increasing the size of the vacuum cup body. And the integrated control assembly is separated from the heating module, so that the heating module is prevented from influencing the use of the integrated control assembly in the working process.

Description

Technical Field

[0001] This utility model relates to the technical field of thermos cups, specifically to an electrically heated thermos cup. Background Technology

[0002] Existing thermos cups typically have multiple functions, such as heating, display, and temperature control. These functions are mostly installed in the body and bottom of the thermos cup, requiring the PCB boards for these functions to be installed in the outer shell of the body and bottom. To install these PCB boards, some space inside the thermos cup needs to be sacrificed, resulting in a smaller internal volume.

[0003] Another approach is to increase the overall size of the thermos to ensure its internal capacity, while also allowing the PCB boards and display screens to be mounted on it. However, this would result in a very large thermos, making it inconvenient to carry.

[0004] Whether the PCB board is housed inside the thermos or the overall size of the thermos is increased, part of the PCB board needs to be housed at the bottom of the thermos, making the bottom of the thermos very thick (the thickness of the bottom of thermos cups on the market is about 50-60mm), which is inconvenient to use.

[0005] Secondly, traditional thermos cups integrate the control components and heating module into the bottom of the cup. The heating module operates at high temperatures. To accommodate the space at the bottom of the cup, the heating module is separated from the circuit board and other components by only 10mm and a plastic support. Long-term use can lead to plastic deformation, unpleasant odors, and circuit board malfunctions due to high temperatures.

[0006] Therefore, there is an urgent need for an electric heating thermos to solve the problem of reduced internal space caused by integrating the PCB board and display screen into the thermos bottle. Utility Model Content

[0007] This invention provides an electrically heated thermos cup to solve the above-mentioned technical problems.

[0008] To achieve the above objectives, this utility model provides an electrically heated thermos cup, comprising:

[0009] A power cord includes a plug, a connecting wire, and an integrated control component, wherein the plug is electrically connected to the integrated control component via the connecting wire, and the integrated control component has a male connector.

[0010] The thermos cup body has a cavity at the bottom and a female connector communicating with the cavity, and the female connector is inserted into the male connector.

[0011] The heating module is located inside the cavity and is electrically connected to the connecting female connector.

[0012] Preferably, the integrated control component includes:

[0013] The housing has an internal mounting cavity. One end of the connecting wire is fixed to the plug, and the other end extends into the mounting cavity. The male connector is mounted on the end of the housing away from the connecting wire.

[0014] A PCB board is disposed within the mounting cavity and is electrically connected to the connecting wires.

[0015] The display is mounted on the housing and electrically connected to the PCB board.

[0016] Preferably, the PCB board has:

[0017] The temperature sensing module is used to detect the temperature of the liquid inside the thermos cup.

[0018] A heating module is used to control the heating of the heating module;

[0019] The power transmission module is used to supply power to the heating module, the temperature sensing module and the heating assembly;

[0020] The control module is used to control the circuit and transmit signals.

[0021] Preferably, the display element has:

[0022] A touch switch module is used to control the start and stop of the heating module;

[0023] A digital display module is used to display the value of the temperature sensing module and / or the status of the heating module.

[0024] Preferably, the thermos cup body includes:

[0025] The bottle body has an inwardly recessed cavity at one end and an inwardly recessed cavity at the other end.

[0026] The bottom cap fits into the bottle body and completely covers the cavity.

[0027] Preferably, the electrically heated thermos cup further includes:

[0028] A temperature sensor is installed inside the cavity and fits against the side of the cavity away from the bottom cover. The temperature sensor is electrically connected to the connecting female connector.

[0029] Preferably, the bottle body is further provided with a first fixing post, the first fixing post being located inside the cavity, and the first fixing post having a screw hole;

[0030] The bottom cover is provided with a second fixing post, and the second fixing post has a positioning hole. The bottom cover is closed with the bottle body, and the first fixing post is partially received in the positioning hole. One end of the external fastener abuts against the bottom cover, and the other end passes through the positioning hole and is threaded into the screw hole to fix the bottom cover to the bottle body.

[0031] Preferably, the bottle body is also provided with a grounding contact point, which is located inside the cavity and electrically connected to the connecting female socket.

[0032] Preferably, the electrically heated thermos cup further includes:

[0033] A bottle cap is fitted onto the end of the bottle body away from the bottom cap and covers the receiving cavity. The bottle cap has a first pressure relief hole and a second pressure relief hole that communicates with the first pressure relief hole.

[0034] A pressure relief assembly is provided on the bottle cap, with one end of the pressure relief assembly abutting against the bottle cap and the other end aligned with the first pressure relief hole.

[0035] Preferably, the integrated control component is located on the connection line or inside the plug.

[0036] Preferably, the bottle cap has a pressure relief cavity, one end of which is connected to the first pressure relief hole and the other end is connected to the second pressure relief hole; the bottle cap also has a positioning protrusion.

[0037] The pressure relief assembly includes:

[0038] An elastic element, one end of which abuts against the positioning protrusion;

[0039] The blocking member abuts against the end of the elastic member away from the positioning protrusion;

[0040] The elastic element generates elastic force to drive the blocking element to block the first pressure relief hole; when the air pressure in the accommodating cavity is higher than the air pressure in the pressure relief cavity, the air pressure in the accommodating cavity pushes the blocking element so that the accommodating cavity communicates with the outside through the first pressure relief hole, the pressure relief cavity, and the second pressure relief hole to relieve pressure in the accommodating cavity.

[0041] The electric heating thermos cup proposed in this utility model has the following beneficial effects:

[0042] The plug-in heated thermos cup proposed in this invention integrates the control component into the power cord, eliminating the need for pre-reserved installation space within the cup itself. This results in a thinner bottom for the thermos cup, allowing for a larger internal volume without altering the overall size of the cup. This avoids the impact of the integrated control component being located within a cavity on the internal volume of the thermos cup, further increasing its effective internal volume while maintaining the same overall size for ease of use.

[0043] By connecting the male connector on the power cord to the female connector on the thermos, the integrated control component can control the heating module to heat the liquid inside the thermos to provide hot water or keep it warm, making it convenient for users.

[0044] Secondly, by integrating the control components inside the thermos into its power cord, and installing the heating module within the cavity, the control components are separated from the heating module, preventing the heating module from interfering with the operation of the control components. Simultaneously, this blocks the path of heat generated by the heating module during operation to the control components, ensuring their proper functioning.

[0045] The plug-in heated thermos cup proposed in this invention integrates the integrated control component onto the power cord, thereby separating the integrated control component from the heating module inside the thermos cup body. This increases the lifespan of the integrated control component while maintaining the volume of the thermos cup body. Furthermore, since only the heating module exists at the bottom of the thermos cup body, the bottom thickness is reduced, making it easier to use. Moreover, the separate design of the integrated control component and the heating module physically isolates them, avoiding electromagnetic interference and heat conduction effects. Attached Figure Description

[0046] Figure 1 This is a schematic diagram of the structure of an embodiment of the electric heating thermos cup of this utility model;

[0047] Figure 2 for Figure 1 Exploded view of a thermos cup with electric heating.

[0048] Figure 3 for Figure 2 Structural diagram of the pressure relief assembly;

[0049] Figure 4 for Figure 2 Structural diagram of the middle bottle body;

[0050] Figure 5 for Figure 2 Structural diagram of the midsole cover;

[0051] Figure 6 for Figure 1Structure diagram of the power supply line;

[0052] Figure 7 for Figure 1 A cross-sectional view of part of the structure of a plug-in heated thermos cup;

[0053] Figure 8 for Figure 2 Structural diagram of the bottle cap;

[0054] Figure 9 Schematic diagram for integrated control components;

[0055] Figure 10 This is a schematic diagram of the display component.

[0056] In the picture:

[0057] 100. Electric heated thermos cup;

[0058] 110. Power cord; 111. Plug; 112. Connecting wire; 113. Integrated control component; 114. Male connector; 115. Housing; 115a. Mounting cavity; 116. PCB board; 117. Display component; 1161. Temperature sensing module; 1162. Heating module; 1163. Power transmission module; 1164. Control module; 1171. Touch switch module; 1172. Digital display module;

[0059] 120. Thermos body; 120a. Cavity; 120b. Connecting female; 121. Bottle body; 120c. Receiving cavity; 122. Bottom cover; 1211. First fixing post; 1211a. Screw hole; 1221. Second fixing post; 1221a. Positioning hole; 123. Grounding contact point;

[0060] 130. Heating module;

[0061] 140. Thermo-sensing head;

[0062] 150. Bottle cap; 150a. First pressure relief hole; 150b. Second pressure relief hole; 150c. Pressure relief chamber; 151. Positioning protrusion;

[0063] 160. Pressure relief assembly; 161. Elastic element; 162. Shielding element. Detailed Implementation

[0064] It should be understood that the specific embodiments described herein are merely illustrative of the present invention and are not intended to limit the present invention.

[0065] It should be noted that in the description of this utility model, the terms "lateral," "longitudinal," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," and "outer," etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are used solely for the convenience of describing this utility model and for simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this utility model. Furthermore, the terms "first," "second," etc., are used for descriptive purposes only and should not be construed as indicating or implying relative importance.

[0066] This utility model proposes an electrically heated thermos cup 100, comprising:

[0067] The power cord 110 includes a plug 111, a connecting wire 112, and an integrated control component 113. The plug 111 is electrically connected to the integrated control component 113 via the connecting wire 112. The integrated control component 113 has a male connector 114.

[0068] The thermos body 120 has a cavity 120a at the bottom and a female connector 120b communicating with the cavity 120a. The female connector 120b is inserted into the male connector 114.

[0069] The heating module 130 is disposed in the cavity 120a and is electrically connected to the connecting female seat 120b.

[0070] Please refer to Figures 1-10 In this embodiment, because the integrated control component 113 is disposed on the power cord 110, the bottom of the thermos body 120 is thinner, reducing the thickness of the bottom of the thermos body 120 by 300%, with the thinnest possible thickness reaching 15mm. This allows for a larger internal volume of the thermos body 120 without changing its overall volume. This avoids affecting the internal volume of the thermos body 120 due to the integrated control component 113 being located within the cavity 120a.

[0071] By connecting the male connector 114 on the power cord 110 to the female connector 120b on the thermos body 120, the integrated control component 113 can control the heating module 130 to heat the liquid inside the thermos body 120 to provide hot water or keep it warm, making it convenient for users.

[0072] Secondly, by installing the integrated control component 113 on the power cord 110 and the heating module 130 inside the cavity 120a, the integrated control component 113 and the heating module 130 are separated, preventing the heating module 130 from affecting the use of the integrated control component 113 during operation. Simultaneously, heat from the heating module 130 during operation is prevented from being directly conducted to the integrated control component 113, ensuring the normal operation of the integrated control component 113.

[0073] It should be noted that plug 111 is a three-prong plug 111, but other types of plugs 111 can be used in other embodiments. Connecting wire 112 is a conductor used to connect plug 111 to integrated control component 113, and to establish an electrical connection between plug 111 and integrated control component 113 through connecting wire 112. Connecting male connector 114 is one of USB, Type-C, or other male connectors, including but not limited to the aforementioned male connectors; in one embodiment, a USB male connector is used.

[0074] The thermos cup body 120 consists of a bottle body 121 and a bottom cover 122. The bottle body 121 is generally a cylindrical shape with both ends concave and a bottom. The cavity 120a is generally a circular groove. The connecting female connector 120b is one of USB, Type-C, etc., including but not limited to the above-mentioned female connectors. In one embodiment, a USB female connector is used. The bottom cover 122 is generally a circular plate, and the edge near the bottle body 121 arches upward to form an arc-shaped convex plate.

[0075] The heating module 130 is one of the following: heating coil, heating plate, or heating element, including but not limited to the above-mentioned heating components. In this embodiment, it is a heating coil.

[0076] Preferably, the integrated control component 113 includes:

[0077] The housing 115 has an internal mounting cavity 115a. One end of the connecting wire 112 is fixed to the plug 111, and the other end extends into the mounting cavity 115a. The male connector 114 is installed on the end of the housing 115 away from the connecting wire 112.

[0078] PCB board 116 is disposed in the mounting cavity 115a and is electrically connected to the connecting line 112;

[0079] Display 117 is mounted on housing 115 and electrically connected to PCB board 116.

[0080] Please refer to Figures 1-10In this embodiment, the PCB board 116 and the display device 117 are integrated onto the housing 115. The housing 115 can protect the PCB board 116 and the display device 117 from external damage, while making the PCB board 116 and the display device 117 independent of the thermos cup body 120, so as not to affect the volume inside the thermos cup body 120, thereby making the volume inside the thermos cup body 120 larger.

[0081] Secondly, by connecting the male connector 114 and the female connector 120b, the PCB board 116 can form an electrical connection with the heating module 130, thereby controlling the heating module 130 to heat and keep the liquid in the thermos cup body 120.

[0082] Since the PCB board 116 and the display 117 are separate from the thermos body 120, the bottom and peripheral walls of the thermos body 120 are thinner, avoiding the sacrifice of internal liquid volume due to the need to accommodate more electronic components in these two areas.

[0083] It should be noted that the housing 115 is generally rectangular, but may have other shapes in other embodiments. The mounting cavity 115a is an enclosed space inside the housing 115, used to house the PCB board 116. The PCB board 116 is a circuit board used to control various functions of the thermos cup body 120. The display 117 is an electronic touch screen, which is mounted on the surface of the housing 115 (fixed by adhesive, threads, etc.) so that the display 117 can display the signals received by the PCB board 116 and the operating status of various functions within the thermos cup body 120.

[0084] Preferably, the PCB board 116 has:

[0085] Temperature sensing module 1161 is used to detect the liquid temperature inside the thermos cup body 120;

[0086] Heating module 1162 is used to control the heating of heating module 130;

[0087] The power transmission module 1163 is used to supply power to the heating module 1162, the temperature sensing module 1161 and the heating module 130;

[0088] The control module 1164 is used for control circuits and signal transmission.

[0089] Please refer to Figures 1-10 In this embodiment, since the PCB board 116 integrates a temperature sensing module 1161, a heating module 1162, a power transmission module 1163, and a control module 1164, these modules can control the corresponding electronic components inside the thermos cup body 120 to work, so that the thermos cup body 120 can still work normally, making the plugged-in heating thermos cup 100 multifunctional and convenient for users.

[0090] By placing these modules on the PCB board 116, and making them independent of the thermos body 120, the volume inside the thermos body 120 can be further increased, avoiding the impact on the internal volume of the thermos body 120 due to the placement of these modules inside the thermos body 120.

[0091] Preferably, the display element 117 has:

[0092] The touch switch module 1171 is used to control the start and stop of the heating module 130;

[0093] The digital display module 1172 is used to display the value of the temperature sensing module 1161 and / or the status of the heating module 1162.

[0094] Please refer to Figures 1-10 In this embodiment, the heating module 130 can be controlled to heat and stop heating via the touch switch module 1171.

[0095] The digital display module 1172 can display the value of the temperature sensing module 1161 and the on or off status of the heating module 1162.

[0096] In another embodiment, the value of the temperature sensing module 1161 can be displayed.

[0097] In another embodiment, the on or off status of the heating module 1162 can be displayed.

[0098] Preferably, the thermos cup body 120 includes:

[0099] The bottle body 121 has one end recessed inward to form a receiving cavity 120c, and the other end recessed inward to form the cavity 120a;

[0100] The bottom cap 122 covers the bottle body 121 and completely covers the cavity 120a.

[0101] Please refer to Figures 1-10 In this embodiment, the bottom cover 122 is fixed together with the bottle body 121 to protect the heating module 130 and the temperature sensor 140 in the cavity 120a and prevent them from being damaged.

[0102] Secondly, by making the integrated control component 113 independent of the thermos body 120, the depth of the cavity 120a is reduced, which enables better heat conduction during the heating process of the heating module 130, thereby allowing the heat from the heating module 130 to heat the liquid in the accommodating cavity 120c more efficiently.

[0103] Preferably, the electrically heated thermos cup 100 further includes:

[0104] The temperature sensor 140 is installed inside the cavity 120a and fits against the side of the cavity 120a away from the bottom cover 122. The temperature sensor 140 is electrically connected to the connecting female 120b.

[0105] Please refer to Figures 1-10 In this embodiment, by attaching the temperature sensor 140 to the side of the cavity 120a away from the bottom cover 122, the temperature sensor 140 can accurately detect the temperature of the liquid in the accommodating cavity 120c. When the temperature exceeds the preset temperature, the temperature sensor 140 feeds back to the control module 1164 on the PCB board 116. Then, the control module 1164 controls the heating module 1162 to shut down, thereby stopping the heating module 130 from heating.

[0106] It should be noted that the temperature sensor 140 is positioned on the geometric center axis of the cavity 120a, and the heating module 130 is positioned around the temperature sensor 140, so that the temperature sensor 140 can more accurately detect the temperature of the liquid in the accommodating cavity 120c, and avoid the detection results being affected by the temperature difference caused by being close to or far from the heating module 130.

[0107] Preferably, the integrated control component 113 is disposed on the connecting line 112 or inside the plug 111.

[0108] In this embodiment, the integrated control component 113 is mounted on the connecting line 112 and is separate from the plug 111, thereby ensuring the independence of the integrated control component 113.

[0109] In another embodiment, by installing the integrated control component 113 inside the plug 111, the overall volume change of the power cord 110 is reduced, resulting in higher space utilization.

[0110] Preferably, the bottle body 121 is further provided with a first fixing post 1211, the first fixing post 1211 is located in the cavity 120a, and the first fixing post 1211 is provided with a screw hole 1211a;

[0111] The bottom cover 122 is provided with a second fixing post 1221, and the second fixing post 1221 is provided with a positioning hole 1221a. The bottom cover 122 is closed with the bottle body 121. The first fixing post 1211 is partially received in the positioning hole 1221a. One end of the external fastener abuts against the bottom cover 122, and the other end passes through the positioning hole 1221a and is threaded into the screw hole 1211a to fix the bottom cover 122 to the bottle body 121.

[0112] Please refer to Figures 1-10In this embodiment, during installation, the temperature sensor 140 is installed in the cavity 120a, and then the heating module 130 is installed on the bottom cover 122. The temperature sensor 140 and the heating module 130 are then electrically connected to the connecting female 120b. By installing the bottom cover 122 onto the bottle body 121, the bottom cover 122 and the bottle body 121 are fastened or locked together. Then, one end of the external fastener abuts against the bottom cover 122, and the other end passes through the positioning hole 1221a and is threaded into the screw hole 1211a to fix the bottom cover 122 onto the bottle body 121, thereby forming a fixed connection.

[0113] The assembly process, where the temperature sensor 140 and heating module 130 are installed separately and then assembled, simplifies the process and increases efficiency. Furthermore, the bottom cover 122 is initially secured to the bottle body 121 by engaging or snapping together, facilitating further fixation later.

[0114] It should be noted that the external fasteners are screws or bolts, and in this embodiment, they are screws.

[0115] The first fixing post 1211 is generally cylindrical and has a screw hole 1211a. The second fixing post 1221 is generally cylindrical and has a through positioning hole 1221a.

[0116] Preferably, the bottle body 121 is further provided with a ground contact point 123, which is located in the cavity 120a and electrically connected to the connecting female seat 120b.

[0117] Please refer to Figures 1-10 In this embodiment, the ground contact point 123 is electrically connected to the connector 120b, making the use of the plug-in heated thermos cup 100 safer.

[0118] Preferably, the electrically heated thermos cup 100 further includes:

[0119] The bottle cap 150 covers the end of the bottle body 121 away from the bottom cap 122 and blocks the receiving cavity 120c. The bottle cap 150 has a first pressure relief hole 150a and a second pressure relief hole 150b communicating with the first pressure relief hole 150a.

[0120] A pressure relief assembly 160 is disposed on the bottle cap 150, with one end of the pressure relief assembly 160 abutting against the bottle cap 150 and the other end aligned with the first pressure relief hole 150a.

[0121] Please refer to Figures 1-10In this embodiment, the bottle cap 150 is placed on the bottle body 121 and completely covers the accommodating cavity 120c, thereby sealing the accommodating cavity 120c and preventing external dust or foreign objects from entering the accommodating cavity 120c and contaminating the drinking liquid.

[0122] The pressure relief assembly 160 can prevent the bottle cap 150 from being difficult to open due to excessive air pressure during the heating of the liquid in the accommodating cavity 120c.

[0123] It should be noted that the bottle cap 150 is roughly cap-shaped, with one end recessed inward to form a clearance space. Both the first pressure relief hole 150a and the second pressure relief hole 150b are through holes.

[0124] Preferably, the bottle cap 150 has a pressure relief cavity 150c inside, one end of the pressure relief cavity 150c is connected to the first pressure relief hole 150a, and the other end is connected to the second pressure relief hole 150b. The bottle cap 150 has a positioning protrusion 151 inside.

[0125] The pressure relief assembly 160 includes:

[0126] One end of the elastic element 161 abuts against the positioning protrusion 151;

[0127] The shielding member 162 abuts against the end of the elastic member 161 away from the positioning protrusion 151;

[0128] The elastic element 161 generates elastic force to drive the blocking element 162 to block the first pressure relief hole 150a. When the air pressure in the accommodating cavity 120c is higher than the air pressure in the pressure relief cavity 150c, the air pressure in the accommodating cavity 120c pushes the blocking element 162, so that the accommodating cavity 120c communicates with the outside through the first pressure relief hole 150a, the pressure relief cavity 150c, and the second pressure relief hole 150b, so as to relieve the pressure in the accommodating cavity 120c.

[0129] Please refer to Figures 1-10In this embodiment, during pressure relief, the air pressure in the accommodating cavity 120c is higher than the air pressure in the pressure relief cavity 150c. This causes the air pressure in the accommodating cavity 120c to push open the blocking member 162, thereby pushing the blocking member 162 to move away from the bottle body 121. The elastic member 161 is compressed, and the blocking member 162 does not block the first pressure relief hole 150a. The accommodating cavity 120c is connected to the pressure relief cavity 150c and the second pressure relief hole 150b through the first pressure relief hole 150a, thereby venting the gas to the outside. When the air pressure in the accommodating cavity 120c is equal to or less than the air pressure in the pressure relief cavity 150c, the elastic member 161 restores its elasticity, pushing the blocking member 162 to move closer to the bottle body 121, thereby sealing the blocking member 162 at the first pressure relief hole 150a.

[0130] To avoid the problem of the cap 150 being deformed due to excessive water vapor pressure in the accommodating cavity 120c during the heating process, or the cap 150 being difficult to unscrew due to excessive air pressure.

[0131] It should be noted that the elastic element 161 is a spring, the blocking element 162 is generally a frustum-shaped or conical sealing gasket, and the blocking element 162 is made of elastic material.

[0132] The above are merely preferred embodiments of this utility model and do not limit the patent scope of this utility model. Any equivalent structural transformations made based on the description and drawings of this utility model, or direct or indirect applications in other related technical fields, are similarly included within the patent protection scope of this utility model.

Claims

1. A plug-in heating vacuum cup, characterized in that, The utility model relates to an electric heating vacuum cup, including: a power line including a plug, a connecting line and an integrated control assembly, the plug being electrically connected to the integrated control assembly through the connecting line, the integrated control assembly having a male connector; a vacuum cup body having a cavity and a female connector in communication with the cavity at the bottom, the female connector being plugged with the male connector; a heating module arranged in the cavity and electrically connected to the female connector.

2. The plug-in heating vacuum cup of claim 1, wherein, The integrated control assembly includes: a housing having an installation cavity formed inside, one end of the connecting line being fixed to the plug and the other end extending into the installation cavity, the male connector being installed at the end of the housing away from the connecting line; a PCB board arranged in the installation cavity and electrically connected to the connecting line; a display piece installed on the housing and electrically connected to the PCB board.

3. The plug-in heating vacuum cup of claim 2, wherein, The PCB board has: a temperature sensing module for detecting the temperature of the liquid in the vacuum cup body; a heating module for controlling the heating of the heating module; a power transmission module for supplying power to the heating module, temperature sensing module and heating module; a control module for controlling the transmission of circuits and signals.

4. The plug-in heating vacuum cup of claim 3, wherein, The display piece has: a touch switch module for controlling the start and stop of the heating module; a digital display module for displaying the value of the temperature sensing module and / or the state of the heating module.

5. The plug-in heating vacuum cup of claim 2, wherein, The vacuum cup body includes: a bottle body having a receiving cavity formed by inwardly recessing one end and the cavity formed by inwardly recessing the other end; a bottom cover covering the bottle body and completely shielding the cavity.

6. The plug-in heating vacuum cup of claim 5, wherein, The electric heating vacuum cup further includes: a temperature sensing head installed in the cavity and attached to the side of the cavity away from the bottom cover, the temperature sensing head being electrically connected to the female connector.

7. The plug-in heating vacuum cup of claim 5, wherein, The bottle body is further provided with a first fixing column located in the cavity, the first fixing column having a threaded hole; the bottom cover is provided with a second fixing column having a positioning hole, the bottom cover being covered with the bottle body, the first fixing column being partially accommodated in the positioning hole, an external fixing piece being in abutment with the bottom cover at one end and being threadedly fixed with the threaded hole through the positioning hole at the other end to fix the bottom cover on the bottle body.

8. The plug-in heating vacuum cup of claim 5, wherein, The bottle body is further provided with a ground contact point located in the cavity and electrically connected to the female connector; The electric heating vacuum cup further includes: a bottle cap covering one end of the bottle body away from the bottom cover and shielding the receiving cavity, the bottle cap having a first pressure relief hole and a second pressure relief hole in communication with the first pressure relief hole; a pressure relief assembly arranged on the bottle cap, one end of the pressure relief assembly being in abutment with the bottle cap and the other end being aligned with the first pressure relief hole.

9. The plug-in heating vacuum cup of claim 1, wherein, The integrated control assembly is arranged on the connecting line or inside the plug.

10. The plug-in heating vacuum cup of claim 8, wherein, The bottle cap has a pressure relief cavity, one end of the pressure relief cavity being in communication with the first pressure relief hole and the other end being in communication with the second pressure relief hole, the bottle cap having a positioning protrusion; The pressure relief assembly includes: a resilient piece in abutment with the positioning protrusion at one end; a shielding piece in abutment with the resilient piece at the end away from the positioning protrusion. The elastic member generates elastic force to drive the blocking member to block the first pressure relief hole; when the air pressure in the accommodating cavity is higher than the air pressure in the pressure relief cavity, the air pressure in the accommodating cavity pushes the blocking member, so that the accommodating cavity is communicated with the outside through the first pressure relief hole, the pressure relief cavity and the second pressure relief hole, to relieve the pressure in the accommodating cavity.

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