CN211582656U

CN211582656U - Temperature controller for thermos bottle

Info

Publication number: CN211582656U
Application number: CN202020093352.7U
Authority: CN
Inventors: 杨强; 郑和生; 王明龙; 杨立阳
Original assignee: Zhejiang Jiatai Electrical Appliance Co Ltd
Current assignee: Zhejiang Jiatai Electrical Appliance Co Ltd
Priority date: 2020-01-16
Filing date: 2020-01-16
Publication date: 2020-09-29
Anticipated expiration: 2030-01-16

Abstract

A temperature controller for a boiled water bottle, the boiled water bottle comprises a boiled water bottle body with a water outlet, the heating inner container is arranged in the thermos bottle body, the heating tube is arranged at the bottom of the heating inner container, the bottom of the heating inner container is connected with the water outlet through the water pump, the water inlet pipe of the water pump is communicated with the bottom of the heating inner container, the water outlet pipe of the water pump is communicated with the water outlet, the temperature controller comprises a main shell body provided with a limiting hole, a fixing plate fixedly arranged on the main shell body, two actuators fixedly arranged on the fixing plate, two contact switches arranged in the main shell body and respectively arranged below the two actuators, and a plurality of lugs connected on the contact switches, the two actuators are respectively a dry-burning-proof metal actuator and a fuse type actuator, the wiring is simplified, the fuse actuator is an independent actuator, compare with the protruding formula temperature controller design of jumping of current compatible usefulness, the security of this design is higher and stability is very good.

Description

Temperature controller for thermos bottle

Technical Field

The utility model relates to a temperature controller especially relates to a temperature controller of vacuum flask.

Background

At present, current electric heating thermos is generally through circuit board and kick formula temperature controller, controls the heating tube of heating inner bag bottom, realizes heating, heat preservation, the control of reheating, and its structure is complicated, lays many connecting wires heating inner bag bottom, and the assembly is very inconvenient, in addition in the aspect of overheated insurance when inside trouble, now generally adopts the kick formula temperature controller to combine the fuse to realize, and it has following shortcoming: the volume is large, the connection is complex, and the cable is easy to be confused with other connecting wires. The connecting pipe between the heating inner container and the pump needs a special fastener to tightly seal the connecting pipe at the bottom of the heating inner container, and the cost is high. Because the convex jump type temperature controller is a public part, all safety lines are lost once the temperature controller fails, and not only the thermos bottle fails and is scrapped, but also fire hazard occurs.

Disclosure of Invention

The utility model aims to provide a temperature controller for a boiling water bottle, which has simple and convenient assembly, clear wiring, safety and reliability aiming at the defects existing in the prior art.

In order to achieve the above purpose, the utility model adopts the following technical scheme: a temperature controller for a boiled water bottle comprises a boiled water bottle body with a water outlet, a heating inner container is arranged in the boiled water bottle body, a heating pipe is arranged at the bottom of the heating inner container, the bottom of the heating inner container is connected with the water outlet through a water pump, namely, the water inlet pipe of the water pump is communicated with the bottom of the heating inner container, the water outlet pipe of the water pump is communicated with the water outlet, the temperature controller comprises a main shell body with a limit hole, a fixed plate fixedly arranged on the main shell body, two actuators fixedly arranged on the fixed plate, two contact switches arranged in the main shell body and respectively arranged below the two actuators, and a plurality of connection sheets connected on the contact switches, wherein the two actuators are respectively an anti-dry heating metal actuator and a safety actuator, the water inlet pipe of the water pump is connected with the water pump through the limit hole of the, the actuating temperature of the anti-dry heating metal actuator is lower than that of the safety type actuator, the anti-dry heating metal actuator is an automatic reset actuator, and the safety type actuator is a manual reset actuator.

As an improvement: the actuation temperature of the safety actuator is 170 ℃.

As an improvement: the contact switch comprises a first lug plate, a second lug plate and a movement-assisting ceramic rod, wherein one end of the first lug plate is provided with a static contact, the second lug plate is arranged below the actuator, the other end of the first lug plate is electrically connected with the heating tube, a movable end of the second lug plate is provided with a contact matched with the static contact, the movement-assisting ceramic rod penetrates through the fixed plate and is vertically arranged between the second lug plate and the actuator, the movable end of the second lug plate moves downwards through the linkage of the movement-assisting ceramic rod when the actuator is actuated to jump downwards, the contact on the second lug plate is separated from the static contact, and the contact switch is disconnected.

As an improvement: the second lug 7 be the style of calligraphy, promptly the second lug include one serve be equipped with the straight strip portion of contact, from the kink of straight strip portion other end bending down and stretching out main casing external line, be close to the position of kink on straight strip portion and pass through the mounting with the second lug and connect on main casing body, main casing body on open and supply the kink to insert and stretch out and the jack that goes out.

And a pressing plate for pressing the temperature sensor is also arranged on the fixing plate.

The utility model discloses a temperature controller for vacuum flask adopts the design that the fuse actuator replaces current protruding formula temperature controller of jumping and fuse, and it has reduced the volume of temperature controller greatly, and this design need not many wiring, simplifies the wiring, and the fuse actuator is independent actuator, compares with the protruding formula temperature controller design of jumping of current compatible usefulness, and the security of this design is higher and stability is very good. Furthermore the utility model discloses a temperature controller main casing body supports presses fixed water pump inlet tube in heating inner bag bottom, need not to establish the fastener in addition, practices thrift the cost, further reduces the volume, simple and convenient assembly. The utility model has the advantages of smart design, reasonable, simple and compact structure, small and practical structure, convenient assembly and thorough elimination of potential safety hazards.

The present invention will be further described with reference to the accompanying drawings and the following detailed description.

Drawings

Fig. 1 is a schematic view of an overall structure of an embodiment of a temperature controller for a vacuum flask according to the present invention.

FIG. 2 is a schematic view of the bottom of the heating liner in FIG. 1

Fig. 3 is a schematic diagram of the exploded structure of fig. 2.

FIG. 4 is a schematic structural diagram of a temperature controller in FIG. 2

Fig. 5 is a schematic bottom view of fig. 4.

Detailed Description

1. As shown in fig. 1, fig. 2, fig. 3, fig. 4, fig. 5, the utility model discloses an embodiment of a temperature controller for vacuum flask, the vacuum flask including the vacuum flask body (not marking in the picture) of taking the delivery port, this internal heating inner bag 9 that is equipped with of vacuum flask, heating tube 7 is installed to heating inner bag 9 bottom, heating inner bag bottom is passed through the water pump and is connected with the delivery port that is higher than the water filling port position, the inlet tube and the heating inner bag bottom intercommunication of water pump promptly, the outlet pipe and the delivery port intercommunication of water pump. The temperature controller comprises a main shell 1 provided with a limiting hole 1-1, a fixing plate 2 fixedly installed on the main shell 1, two actuators fixedly installed on the fixing plate 2, two contact switches arranged in the main shell and respectively arranged below the two actuators, and a plurality of lugs connected to the contact switches, wherein the two actuators are respectively an anti-dry-burning metal actuator 3 and a safety actuator 8. The fixing plate 2 of the embodiment is also provided with a pressing plate 11 for pressing the temperature sensor, and the design can improve the compactness and save additional pressing parts, fasteners and labor.

The water inlet pipe 10 of the water pump is connected with the water pump through the main shell limiting hole, the water inlet pipe 10 is pressed and fixed at the bottom of the heating inner container through the main shell, the actuating temperature of the anti-dry heating metal actuator is lower than that of the safety actuator 8, and the actuating temperature of the safety actuator of the embodiment is 170 ℃ at normal temperature. The anti-dry heating metal actuator 3 is an automatic reset actuator and is a movable actuator. The safety actuator 8 is a manual reset actuator which is used as the last safety line of the vacuum bottle, and after the safety actuator is actuated, the manual reset of the detacher cannot be automatically reset due to the manual reset accident at normal temperature, so that the safety actuator is a disposable dead actuator.

The contact switch of the embodiment comprises a first wiring piece 5 with a static contact at one end, a second wiring piece 4 arranged below an actuator and a movement-assisting porcelain rod 6, wherein the other end of the first wiring piece 5 is electrically connected with a heating tube, a contact matched with the static contact is arranged at the movable end of the second wiring piece 4, the movement-assisting porcelain rod 6 penetrates through a fixing plate to be erected between the second wiring piece 4 and the actuator, the movable end of the second wiring piece 4 moves downwards through the linkage of the movement-assisting porcelain rod 6 when the actuator is actuated to jump downwards, the contact on the second wiring piece 4 is separated from the static contact, and the contact switch is disconnected. The design of the contact switch enables the dry burning prevention metal actuator 3 to realize the dry burning prevention function more accurately and sensitively. In this embodiment, the second tab 4 is a 7-shaped conductive spring, that is, the second tab includes a straight strip portion 4-1 having a contact at one end thereof, and a bent portion 4-2 bent downward from the other end of the straight strip portion 4-1 and extending out of the external connection of the main housing, the second tab is connected to the main housing through a fixing member 7 at a position on the straight strip portion 4-1 near the bent portion, and the main housing is provided with an insertion hole for the bent portion 4-2 to be inserted into and extend out of the main housing. The second lug plate 4 is designed to be more convenient to assemble, accurate and consistent in positioning, stable and convenient to connect and more beneficial to automatic assembly.

Although the present invention has been described with reference to the specific embodiments, it should be understood that various changes and modifications can be made by those skilled in the art without departing from the spirit and scope of the invention.

Claims

1. The utility model provides a temperature controller for vacuum flask, the vacuum flask including the vacuum flask body of taking the delivery port, this internal heating inner bag (9) that is equipped with of vacuum flask, heating inner bag (9) bottom is installed heating tube (7), heating inner bag bottom is passed through the water pump and is connected with the delivery port, the inlet tube and the heating inner bag bottom intercommunication of water pump promptly, the outlet pipe and the delivery port intercommunication, its characterized in that of water pump: the temperature controller including open main casing body (1) that has spacing hole (1-1), fixed plate (2) on main casing body (1), two actuators of fixed mounting on fixed plate (2), in the main casing body and place two contact switches of two actuator below respectively, connect a plurality of lugs on the contact switch, two actuators be respectively for preventing dry combustion method metal actuator (3) and insurance formula actuator (8), inlet tube (10) of water pump are through the spacing jogged joint water pump of main casing body, and support inlet tube (10) through the main casing body and press and fix in heating inner bag bottom, the actuating temperature of preventing dry combustion method metal actuator be less than insurance formula actuator (8), prevent dry combustion method metal actuator (3) be the automatic re-setting actuator, insurance formula actuator (8) be the manual re-setting actuator.

2. A temperature controller for a vacuum bottle as defined in claim 1, wherein: the actuation temperature of the safety actuator is 170 ℃.

3. A temperature controller for a boiled water bottle according to claim 1 or 2, characterized in that: the contact switch comprises a first lug plate (5) with a static contact at one end, a second lug plate (4) arranged below the actuator and a movement-assisting porcelain rod (6), wherein the other end of the first lug plate (5) is electrically connected with the heating tube (7), a contact matched with the static contact is arranged at the movable end of the second lug plate (4), the movement-assisting porcelain rod (6) penetrates through the fixing plate to be erected between the second lug plate (4) and the actuator, the movable end of the second lug plate (4) moves downwards through the linkage of the movement-assisting porcelain rod (6) when jumping under the actuation of the actuator, the contact on the second lug plate (4) is separated from the static contact, and the contact switch is disconnected.

4. A temperature controller for a vacuum bottle as defined in claim 3, wherein: the second lug (4) is 7-shaped, namely the second lug comprises a straight strip part (4-1) with one end provided with a contact point, and a bending part (4-2) which is bent downwards from the other end of the straight strip part (4-1) and extends out of the external wiring of the main shell, the second lug is connected to the main shell through a fixing part at the position, close to the bending part, of the straight strip part (4-1), and the main shell is provided with an insertion hole for the bending part (4-2) to be inserted and extend outwards.

5. A temperature controller for a boiled water bottle according to claim 1 or 2, characterized in that: and a pressing plate (11) for pressing the temperature sensor is also arranged on the fixing plate (2).

6. A temperature controller for a vacuum bottle as defined in claim 3, wherein: and a pressing plate (11) for pressing the temperature sensor is also arranged on the fixing plate (2).

7. A temperature controller for a vacuum bottle as defined in claim 4, wherein: and a pressing plate (11) for pressing the temperature sensor is also arranged on the fixing plate (2).