Instant electric water heater with novel structure and function
By introducing a dual protection mechanism and a modular U-shaped heat dissipation tube design into the instant electric water heater, the problem of dry burning of the heating wire caused by the lack of abnormal protection in traditional instant electric water heaters is solved. This achieves improved safety and stability of the equipment, avoids damage to the heating wire, and extends the service life of the equipment.
Patent Information
- Application Number
- CN202520218953.9
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-02-12
- Publication Date
- 2025-12-26
- Estimated Expiration
- 2035-02-12
AI Technical Summary
Traditional instant electric water heaters lack effective malfunction protection, which can lead to the heating element burning out and being damaged, thus reducing the lifespan of the equipment.
It adopts a dual protection mechanism, including over-temperature protection and over-pressure protection. Through the cooperation of trigger and protector, the heating power supply is cut off to prevent the heating wire from burning dry. At the same time, the modular U-shaped heat dissipation tube and waterproof partition design improve the safety of the equipment.
It enhances the safety of the equipment under abnormal conditions, avoids damage to the equipment due to dry burning of the heating wire, extends the service life, and improves the reliability and stability of the equipment.
Smart Images

Figure CN223726572U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The present application relates to the technical field of electric water heating equipment, in particular to a new structure and function of instant electric water heater. BACKGROUND
[0002] With the improvement of people's living standards, the demand for instant electric water heater is increasing. The traditional instant electric water heater lacks effective abnormal protection, resulting in short service life of the equipment. For example, when the heating wire is dry, the equipment is damaged due to the lack of abnormal protection, which reduces the service life of the equipment. Therefore, a new instant electric water heater is needed to solve the above problems. CONTENT OF THE INVENTION
[0003] The embodiment of the present application provides a new structure and function of instant electric water heater, which can enhance the safety of the equipment (instant electric water heater) under abnormal conditions, avoid damage to the equipment caused by dry heating wire, and prolong the service life of the equipment.
[0004] The embodiment of the present application provides a new structure and function of instant electric water heater, which includes a shell, a main body liner, a heating wire, a trigger, a pressing plate and a protector.
[0005] The main body liner is arranged in the shell, and the heating wire is arranged in the main body liner, wherein the main body liner is provided with no more than two layers of symmetrically distributed water channels, and the liquid to be heated enters the water channel after being deflected at least three times after entering the main body liner.
[0006] The main body liner is provided with a trigger mounting hole, the trigger is mounted in the trigger mounting hole, and the pressing plate is sleeved on the trigger for vertically limiting the trigger when the instant electric water heater is in a normal state.
[0007] The main body liner is provided with a liner screw column, the protector is mounted on the liner screw column and located directly above the trigger, and maintains a predetermined distance from the trigger, wherein when the pressure in the shell reaches a predetermined pressure, the trigger is vertically displaced to trigger the protector to jump off, thereby cutting off the heating power supply, in addition, when the temperature in the shell reaches a predetermined temperature, the protector jumps off to cut off the heating power supply.
[0008] In the new structure and function of instant electric water heater according to the embodiment of the present application, a modular U-shaped heat dissipation pipe is further included, and the modular U-shaped heat dissipation pipe at least includes a bending section.
[0009] The main body inner container is provided with a pipeline water inlet and a pipeline water outlet, one end of the modular U-shaped heat dissipation pipe is connected with the pipeline water inlet, and the other end is connected with the pipeline water outlet, for water flow, power adjusting device heat dissipation in the instant electric water heater and main control board installation.
[0010] In the instant electric water heater with a new structure and function, a temperature sensor, a flow rotor, a Hall plate and a main control board are further included.
[0011] The temperature sensor is arranged on the main body inner container, for monitoring the water temperature in the instant electric water heater in real time, and transmitting the monitored water temperature data to the main control board.
[0012] The flow rotor is arranged at the pipeline water inlet, for water flow monitoring.
[0013] The Hall plate is arranged at the pipeline water inlet, and the sensing element thereof is centrally arranged at the opposite position of the flow rotor, for collecting water flow signals and sending the collected water flow signals to the main control board.
[0014] The main control board is connected with the modular U-shaped heat dissipation pipe, for receiving the water temperature data transmitted by the temperature sensor and the water flow signals sent by the Hall plate, and triggering a temperature adjusting program based on the water temperature data and the water flow signals to realize real-time temperature adjustment and control.
[0015] In the instant electric water heater with a new structure and function, the main body inner container is provided with a temperature sensor mounting hole, the temperature sensor is mounted in the temperature sensor mounting hole and is fixed on the main body inner container by a temperature sensor pressing plate assembly.
[0016] In the instant electric water heater with a new structure and function, the main body inner container is provided with an inductive element fixing groove, and the Hall plate is mounted on the inductive element fixing groove.
[0017] In the instant electric water heater with a new structure and function, the modular U-shaped heat dissipation pipe is sealingly connected with the main body inner container through a clasp spring and a sealing ring.
[0018] In the instant electric water heater with a new structure and function, a display plate is further included.
[0019] The display plate is mounted on the inner surface of the shell through a screw, and the shell is a light-transmitting material.
[0020] In the instant electric water heater with a new structure and function, a waterproof partition plate is further included.
[0021] The waterproof partition is arranged inside the main body inner container to divide the space inside the main body inner container into different areas, so as to prevent water from splashing on the electrical components of the new structure and function instant electric water heater.
[0022] In the new structure and function instant electric water heater, the left end cover and the right end cover are respectively arranged at opposite ends of the main body inner container and are sealed and connected to the main body inner container through a sealing ring and a screw.
[0023] The left end cover and the right end cover are respectively provided with a heating wire hole, and the heating wire is arranged in the main body inner container through the heating wire hole, wherein the heating wire is sealed and connected to the left end cover and the right end cover through a sealing ring and a nut.
[0024] In the new structure and function instant electric water heater, a wire pressing plate and a terminal row are further arranged.
[0025] The wire pressing plate and the terminal row are arranged on the main body inner container and are used for wiring and wire connection.
[0026] The new structure and function instant electric water heater provided by the embodiment of the application comprises a shell, a main body inner container, a heating wire, a trigger, a pressing plate and a protector. The main body inner container is arranged in the shell, and the heating wire is arranged in the main body inner container. The main body inner container is provided with symmetrically distributed water channels. The main body inner container is provided with a trigger mounting hole, and the trigger is arranged in the trigger mounting hole. The pressing plate is sleeved on the trigger and is used for limiting the trigger in the vertical direction when the instant electric water heater is in a normal state. The main body inner container is provided with an inner container screw column, and the protector is arranged on the inner container screw column and located directly above the trigger and maintains a preset distance from the trigger. When the heating wire is abnormally triggered to dry burning in the closed shell, on one hand, the pressure in the shell instantaneously rises, the trigger is triggered to displace in the vertical direction under the action of the pressure, and the displacement triggers the protector to jump off, so that the main circuit is disconnected and the heating power supply is cut off. On the other hand, at this time, the temperature in the shell instantaneously rises, the trigger transfers heat to the protector under the action of the temperature, and the temperature breaks through a critical point to trigger the protector to jump off, so that the main circuit is disconnected and the heating power supply is cut off. Therefore, the safety of the equipment under abnormal conditions is enhanced, the damage of the equipment caused by dry burning of the heating wire is avoided, and the service life of the equipment is prolonged. BRIEF DESCRIPTION OF DRAWINGS
[0027] In order to more clearly illustrate the technical solutions in the embodiments of the present application, the drawings needed to be used in the embodiments will be briefly introduced. Obviously, the drawings in the following description are only some embodiments of the present application, and other drawings can be obtained by those skilled in the art without any creative effort on the basis of these drawings.
[0028] Fig. 1 An exploded view of a new structure and function instant heating electric water heater provided by the embodiments of the present application.
[0029] Fig. 2 A structure schematic view of a main body inner container provided by the embodiments of the present application.
[0030] Fig. 3 A partial section schematic view of a new structure and function instant heating electric water heater provided by the embodiments of the present application.
[0031] Fig. 4 A structure schematic view of a left end cover and a right end cover provided by the embodiments of the present application.
[0032] Explanation of the reference signs:
[0033] 1 - shell 2 - main body inner container 3 - heating wire
[0034] 4 - trigger 5 - pressing plate 6 - protector
[0035] 7 - screw 8 - trigger mounting hole 9 - inner container screw column
[0036] 10 - modular U-shaped heat dissipation pipe 11 - pipe water inlet 12 - pipe water outlet
[0037] 13 - temperature sensor 14 - flow rotor 15 - Hall plate
[0038] 16 - main control board 17 - temperature sensor mounting hole 18 - inductive element fixing groove
[0039] 19 - clasp spring 20 - sealing ring 21 - display board
[0040] 22 - waterproof partition plate 23 - left end cover 24 - right end cover
[0041] 25 - sealing ring 26 - screw 27 - heating wire hole
[0042] 28 - sealing ring 29 - nut 30 - pressing wire plate
[0043] 31 - terminal row 32 - power line plug 33 - water inlet joint
[0044] 34 - water outlet joint 35 - water inlet interface 36 - water outlet interface
[0045] 37-Sealing ring; 38-Grounding plate; 39-Small cover plate
[0046] 101-Top cover; 102-Hanging bracket; 112-Cold water side channel interface
[0047] 113-Hot water channel interface 160-Screw 161-Screw
[0048] 162-Screw 170-Temperature Sensor Plate Assembly Detailed Implementation
[0049] The technical solutions of the embodiments of this application will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only a part of the embodiments of this application, and not all of them. All other embodiments obtained by those skilled in the art based on the embodiments of this application without creative effort are within the scope of protection of this application.
[0050] In the description of this application, it should be understood that the terms "center," "longitudinal," "lateral," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," and "counterclockwise," etc., indicating orientation or positional relationships based on the orientation or positional relationships shown in the accompanying drawings, are only for the convenience of describing this application and 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, and therefore should not be construed as a limitation of this application. Furthermore, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of indicated technical features. Thus, features defined with "first" and "second" may explicitly or implicitly include one or more of the stated features. In the description of this application, "a plurality of" means two or more, unless otherwise explicitly specified.
[0051] In the description of this application, it should be noted that, unless otherwise expressly specified and limited, the terms "installation," "connection," and "linking" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a mechanical connection, an electrical connection, or a connection that allows communication between them; they can refer to a direct connection or an indirect connection through an intermediate medium; they can refer to the internal communication between two components or the interaction between two components. Those skilled in the art can understand the specific meaning of the above terms in this application according to the specific circumstances.
[0052] In the present application, unless specifically stated and limited otherwise, a first feature "on" or "under" a second feature can include that the first and second features are in direct contact, or that the first and second features are not in direct contact but are in contact through another feature between them. Moreover, the first feature "on", "above" and "over" the second feature includes that the first feature is directly above and obliquely above the second feature, or only means that the first feature is higher in horizontal height than the second feature. The first feature "under", "below" and "underneath" the second feature includes that the first feature is directly below and obliquely below the second feature, or only means that the first feature is lower in horizontal height than the second feature.
[0053] The following disclosure provides many different embodiments or examples for implementing different structures of the present application. For the purpose of simplifying the present application, the components and settings of specific examples are described below. Of course, they are only examples, and the purpose is not to limit the present application. In addition, the present application can repeatedly refer to numbers and / or letters in different examples, and such repetition is for the purpose of simplification and clarity, which does not indicate the relationship between the various embodiments and / or settings discussed. In addition, the present application provides examples of various specific processes and materials, but those skilled in the art can realize the application of other processes and / or the use of other materials.
[0054] The embodiment of the present application provides a new structure and function of instant electric water heater. Referring to Figs. 1 to 4 The new structure and function of instant electric water heater includes a shell 1, a main body inner container 2, a heating wire 3, a trigger 4, a pressing plate 5 and a protector 6.
[0055] The main body inner container 2 is arranged in the shell 1, and the heating wire 3 is arranged in the main body inner container 2. The main body inner container 2 is provided with no more than two layers of symmetrically distributed water channels. After the liquid to be heated enters the main body inner container 2, it enters the water channel after at least three deflections.
[0056] The shell 1 includes an upper cover 101 and a hanging rack 102. After the upper cover 101 and the main body inner container 2 are buckled, they are fixed by a screw 7. The hanging rack 102 and the main body inner container 2 are fixed by three-point fixing.
[0057] The number of the heating wire 3 is at least one group and at most two groups, and the number is matched according to the power.
[0058] The main body inner container 2 is provided with a trigger mounting hole 8, and the trigger 4 is mounted in the trigger mounting hole 8. The pressing plate 5 is sleeved on the trigger 4 to vertically limit the trigger 4 when the instant electric water heater is in a normal state.
[0059] The inner container 2 is provided with an inner container screw column 9, the protector 6 is installed on the inner container screw column 9, is located directly above the trigger 4, and is kept at a preset distance from the trigger 4, wherein when the pressure in the shell 1 reaches a preset pressure, the trigger 4 is longitudinally displaced, triggers the protector 6 to break, thereby cutting off the heating power supply, and in addition, when the temperature in the shell 1 reaches a preset temperature, the protector 6 breaks, cutting off the heating power supply.
[0060] The protector 6 is installed on the inner container screw column 9, so that its relative position with the trigger 4 is fixed, ensuring that it can break when the trigger 4 is triggered, thereby cutting off the circuit.
[0061] When the protector 6 is used as a temperature protector, when the internal temperature reaches a preset temperature, the bimetallic disc inside the protector 6 is deformed by heat to produce longitudinal displacement, thereby causing the trigger contact to break, thereby cutting off the heating power supply and playing a protective role.
[0062] When the instant heating electric water heater abnormally triggers the heating wire 3 to dry burn in the closed shell 1, on the one hand, the pressure in the shell 1 instantaneously rises, the trigger 4 is triggered to longitudinally displace under the action of the pressure, the displacement triggers the protector 6 to break, thereby breaking the main circuit and cutting off the heating power supply; on the other hand, at this time, the temperature in the shell 1 instantaneously rises, the trigger 4 transfers heat to the protector 6 under the action of the temperature, the temperature breaks the protector 6 when it exceeds a critical point, thereby breaking the main circuit and cutting off the heating power supply, thereby enhancing the safety of the instant heating electric water heater under abnormal conditions, avoiding damage to the instant heating electric water heater caused by dry burning of the heating wire, and prolonging the service life of the instant heating electric water heater.
[0063] As can be seen from the above, the embodiment of the application adopts at least two circuit protection methods, including temperature over-temperature protection and pressure over-pressure protection, and adapts to single-pole and double-pole break protector.
[0064] In some embodiments, a new type of instant heating electric water heater with novel structure and function further comprises a water pressure sensing element, which is arranged on the main body inner container 2 and is used for monitoring water pressure and triggering the protector 6 to automatically cut off the power supply when detecting that the water pressure exceeds a preset threshold, so as to prevent damage to the instant heating electric water heater.
[0065] In some embodiments, a new type of instant heating electric water heater with novel structure and function further comprises a modular U-shaped heat dissipation pipe 10, which at least includes a bending section; the main body inner container 2 is provided with a pipe water inlet 11 and a pipe water outlet 12, one end of the modular U-shaped heat dissipation pipe 10 is connected with the pipe water inlet 11, and the other end is connected with the pipe water outlet 12, which is used for water flow, heat dissipation of the power adjusting device in the instant heating electric water heater, and installation of the main control board.
[0066] The modular U-shaped heat dissipation pipe 10 at least comprises a bending section, one end of which is connected with the pipe water inlet 11 and the other end of which is connected with the pipe water outlet 12, so as to form at least one independent water flow passage.
[0067] The modular components connected with the outside of the main body inner container 2 include but are not limited to the modular U-shaped heat dissipation pipe 10, and can also be sensors, switch devices or plastic injection pipe modules.
[0068] In some embodiments, the new structure and function instant heating electric water heater further comprises a temperature sensor 13, a flow rotor 14, a Hall plate 15 and a main control board 16; the temperature sensor 13 is arranged on the main body inner container 2 and is used for monitoring the water temperature in the instant heating electric water heater in real time and transmitting the monitored water temperature data to the main control board 16; the flow rotor 14 is arranged at the pipe water inlet 11 and is used for water flow monitoring; the Hall plate 15 is arranged at the pipe water inlet 11, the relative position of the sensing element of the Hall plate 15 and the flow rotor 14 is centered, and the Hall plate 15 is used for collecting water flow signals and sending the collected water flow signals to the main control board 16; the main control board 16 is connected with the modular U-shaped heat dissipation pipe 10 and is used for receiving the water temperature data transmitted by the temperature sensor 13 and the water flow signals sent by the Hall plate 15, triggering a temperature adjustment program based on the water temperature data and the water flow signals to realize real-time temperature adjustment and control.
[0069] Specifically, the flow rotor 14 is installed at the corresponding pipe water inlet position, is limited by the port of the modular U-shaped heat dissipation pipe 10 on the outside and is limited by a structure step on the inside, the Hall plate 15 is arranged at the pipe water inlet 11, and the relative position of the sensing element of the Hall plate 15 and the flow rotor 14 is centered to measure the water flow signals.
[0070] The main control board 16 is connected with the modular U-shaped heat dissipation pipe 10 through screws (161, 162).
[0071] In some embodiments, the main body inner container 2 is provided with a temperature sensor mounting hole 17, the temperature sensor 13 is installed in the temperature sensor mounting hole 17 and is fixed on the main body inner container 2 by a temperature sensor pressing plate assembly 170.
[0072] In some embodiments, the main body inner container 2 is provided with an inductive element fixing groove 18, and the Hall plate 15 is installed on the inductive element fixing groove 18.
[0073] In some embodiments, the modular U-shaped heat dissipation pipe 10 is sealingly connected with the main body inner container 2 through a snap spring 19 and a sealing ring 20.
[0074] Specifically, the modular U-shaped heat dissipation pipe 10 is sealingly connected with the main body inner container 2 through the snap spring 19 and the sealing ring 20, so that it maintains a proper positional relationship with the main water channel to facilitate effective heat exchange.
[0075] In some embodiments, the new structure and function of the instant electric water heater further comprises a display panel 21; the display panel 21 is installed on the inner surface of the shell 1 by screws 160, wherein the shell 1 is a light-transmitting material.
[0076] The display panel 21 is used to display the water temperature and the working state of the instant electric water heater in real time.
[0077] In some embodiments, the new structure and function of the instant electric water heater further comprises a waterproof partition 22; the waterproof partition 22 is arranged inside the main body inner tank 2 to divide the internal space of the main body inner tank 2 into different areas, which is used to prevent water from splashing onto the electrical components of the instant electric water heater.
[0078] The waterproof partition 22 is arranged inside the main body inner tank 2, and its position is related to the heating wire 3, electrical components, etc. The waterproof partition 22 divides the internal space of the main body inner tank 2 into different areas, effectively preventing water from splashing onto the electrical components, protecting the electrical components from damage, and ensuring the electrical safety of the equipment. For example, the main control board 16, display panel 21 and other electrical components are located on one side of the waterproof partition 22, while the heating wire 3 and other components that are in direct contact with water are located on the other side. Through the isolation of the waterproof partition 22, the safety problems such as short circuit and electric leakage caused by water contacting the electrical components are avoided. In addition, the waterproof partition 22 can be installed at a predetermined position at the bottom of the main body inner tank 2 to prevent water droplets from the bottom from splashing onto the heating wire 3.
[0079] In some embodiments, the new structure and function of the instant electric water heater further comprises a left end cover 23 and a right end cover 24; the left end cover 23 and the right end cover 24 are respectively located at opposite ends of the main body inner tank 2 and are sealingly connected to the main body inner tank 2 by a sealing ring 25 and screws 26; the left end cover 23 and the right end cover 24 are respectively provided with a heating wire hole 27, and the heating wire 3 is installed in the main body inner tank 2 through the heating wire hole 27, wherein the heating wire 3 is sealingly connected to the left end cover 23 and the right end cover 24 by a sealing ring 28 and a nut 29.
[0080] The left end cover 23 and the right end cover 24 are provided with a cold water side waterway interface (112) and a hot water side waterway interface (113), which can expand the installation of other similar differential pressure switch devices, flow switch devices and other derived lever type rocker switch modules (including but not limited to micro switch, moving and static contact combination switch structure), to adapt to different application scenarios and models.
[0081] In some embodiments, the new structure and function of the instant electric water heater further comprises a wire pressing plate 30 and a terminal strip 31; the wire pressing plate 30 and the terminal strip 31 are both arranged on the main body inner tank 2 for wiring and wire connection.
[0082] The external wiring is connected and routed through the power line plug 32, the wire pressing plate 30 and the terminal row 31, so as to ensure the correctness and stability of the electrical connection. Specifically, the wire pressing plate 30 and the terminal row 31 are reasonably distributed inside the equipment. The wire pressing plate 30 is used for fixing the wire and preventing the wire from being messy, so as to ensure the stability of the circuit connection. The terminal row 31 facilitates the connection and routing of the wire, and is convenient for maintenance and replacement of the electrical components.
[0083] In some embodiments, the new structure and function of the instant electric water heater further comprises a water inlet joint 33 and a water outlet joint 34. The main body inner container 2 is further provided with a water inlet interface 35 and a water outlet interface 36. The water inlet joint 33 and the water outlet joint 34
[0084] The water inlet joint 33 and the water outlet joint 34 are sealed by the sealing ring 37 and the water inlet interface 35 and the water outlet interface 36, and are limited by the grounding sheet 38. The grounding sheet 38 is fixed on the main body inner container 2 by a screw. The external cold water enters the instant electric water heater from the water inlet interface 35. The hot water in the instant electric water heater flows out of the external environment from the water outlet interface 36.
[0085] In some embodiments, the new structure and function of the instant electric water heater further comprises a small cover plate 39. The small cover plate 39 is clamped between the upper cover 101 and the water inlet joint 33 and the water outlet joint 34 slot, and is used for covering the fixing screw 7.
[0086] The working principle of the instant electric water heater of the present application is as follows: when the equipment is connected to the power supply and water is supplied, in the heating wire hole 27, the water flow exchanges heat with the heating wire 3. The heated hot water flows out of the water outlet interface 36 for the user to use. The temperature sensor 13 monitors the water temperature parameter in the machine in real time, and transmits the data to the main control board 16. The flow rotor 14 is used for water flow monitoring. The Hall plate 15 synchronously collects signals and transmits them to the main control board 16. The main control board 16 triggers the temperature adjustment program according to the feedback data to realize real-time temperature adjustment and control according to the feedback data of the temperature sensor 13. In another case, when the machine abnormally triggers the heating wire 3 to dry burn in the closed cavity, the internal temperature instantaneously rises. The trigger piece 4 is heated and transferred to the protector 6. When the temperature exceeds the critical point, the protector 6 is triggered to break, so as to disconnect the main circuit and cut off the heating power supply.
[0087] The advantages of the present application are as follows: 1. Optimized water channel layout and modularized U-shaped heat dissipation pipe reserved interface reduce the cost of style upgrade mold, the structure is more flexible and variable, the cost loss caused by style upgrade is reduced, the compact pipeline reduces energy consumption, and the water heater can provide hot water more quickly. 2. Good waterproof design effectively protects electrical components through waterproof partitions and other components, improves the reliability and stability of the equipment, and reduces the failure rate caused by water immersion; 3. The setting of the special protector provides double protection for the equipment, enhances the safety of the equipment in abnormal conditions, avoids damage to the equipment caused by high water pressure or dry burning, prolongs the service life of the equipment, and also provides a safer and more reliable use environment for users.
[0088] In summary, the instant electric water heater with a new structure and function provided by the embodiments of the present application comprises a shell 1, a main body inner container 2, a heating wire 3, a trigger 4, a pressing plate 5 and a protector 6; the main body inner container 2 is arranged in the shell 1, the heating wire 3 is arranged in the main body inner container 2, and the main body inner container 2 is provided with symmetrically distributed water channels; the main body inner container 2 is provided with a trigger mounting hole 8, the trigger 4 is mounted in the trigger mounting hole 8, and the pressing plate 5 is sleeved on the trigger 4 to limit the trigger 4 in the longitudinal direction when the instant electric water heater is in a normal state; the main body inner container 2 is provided with an inner container screw column 9, the protector 6 is mounted on the inner container screw column 9 and located directly above the trigger 4, and maintains a preset distance from the trigger 4. When the machine (instant electric water heater) abnormally triggers the heating wire 3 to dry burning in the closed shell 1, on the one hand, the pressure in the shell 1 instantaneously rises, the trigger 4 is triggered to displace longitudinally under the action of the pressure, the displacement triggers the protector 6 to jump off, thereby breaking the main circuit and cutting off the heating power supply; on the other hand, at this time, the temperature in the shell 1 instantaneously rises, the trigger 4 transfers heat to the protector 6 under the action of the temperature, the temperature breaks through the critical point to trigger the protector 6 to jump off, thereby breaking the main circuit and cutting off the heating power supply, thereby enhancing the safety of the equipment in abnormal conditions, avoiding damage to the equipment caused by dry burning of the heating wire, and prolonging the service life of the equipment.
[0089] In the above embodiments, the description of each embodiment has its own emphasis, and the parts not described in detail in a certain embodiment can be referred to the related description of other embodiments.
[0090] The above has carried on the detailed introduction to the new structure and function of the instant electric water heater provided by the embodiment of the application, the principle and implementation mode of the application are described by applying specific examples in the text, the above embodiment is only used for helping understanding the technical scheme of the application and its core idea; the ordinary skilled in the art should understand that: it can still modify the technical scheme recorded by the foregoing each embodiment, or make equivalent replacement to part of the technical features; and these modifications or replacements do not make the essence of the corresponding technical scheme deviate from the scope of the technical scheme of the embodiments of the application.
Claims
1. A new structure and function instant electric water heater, characterized in that, The shell, the main body inner container, the heating wire, the trigger, the pressing plate and the protector are included. The main body inner container is arranged in the shell, and the heating wire is arranged in the main body inner container. The main body inner container is provided with a trigger mounting hole, and the trigger is mounted in the trigger mounting hole. The main body inner container is provided with an inner container screw column, and the protector is mounted on the inner container screw column and located above the trigger and kept a preset distance from the trigger.
2. A new structure and function instant electric water heater according to claim 1, characterized in that, The main body inner container is provided with a pipeline water inlet and a pipeline water outlet. The temperature sensor, the flow rotor, the Hall plate and the main control board are included.
3. A new structure and function instant electric water heater according to claim 2, characterized in that, The temperature sensor is arranged on the main body inner container and used for monitoring the water temperature in the instant electric water heater in real time and transmitting the monitored water temperature data to the main control board. The flow rotor is arranged at the pipeline water inlet and used for water flow monitoring. The Hall plate is arranged at the pipeline water inlet, and the sensing element thereof is centrally located relative to the flow rotor. The main control board is connected with the modular U-shaped heat dissipation pipe and used for receiving the water temperature data transmitted by the temperature sensor and the water flow signal sent by the Hall plate. The main body inner container is provided with a temperature sensor mounting hole.
4. A new structure and function instant electric water heater according to claim 3, characterized in that, The main body inner container is provided with a sensing element fixing groove.
5. A new structure and function instant electric water heater according to claim 3, characterized in that, The modular U-shaped heat dissipation pipe is sealedly connected with the main body inner container through a clasp spring and a sealing ring.
6. A new structure and function instant electric water heater according to claim 2, characterized in that, The display plate is installed on the inner surface of the shell through a screw.
7. A new structure and function instant electric water heater as claimed in claim 1, characterized in that, The shell is made of a light-transmitting material. The waterproof partition plate is arranged inside the main body inner container and divides the internal space of the main body inner container into different areas.
8. A new structure and function instant electric water heater as claimed in claim 1, characterized in that, The waterproof partition plate is arranged inside the main body inner container and divides the internal space of the main body inner container into different areas. 9. A new structure and function instant electric water heater as claimed in claim 1, characterized in that, Further comprising a left end cover and a right end cover, which are respectively located at opposite ends of the main body inner container and are in sealing connection with the main body inner container through a sealing ring and a screw; The left end cover and the right end cover are respectively provided with a heating wire hole, and the heating wire is installed in the main body inner container through the heating wire hole, wherein the heating wire is in sealing connection with the left end cover and the right end cover through a sealing ring and a nut.
10. A new structure and function instant electric water heater as claimed in claim 1, characterized in that, Further comprising a pressing plate and a terminal row; The pressing plate and the terminal row are both arranged on the main body inner container and are used for wiring and wire connection.