CN219329217U

CN219329217U - Household appliance temperature controller capable of realizing fire and heat protection

Info

Publication number: CN219329217U
Application number: CN202223578620.2U
Authority: CN
Inventors: 周炳华; 罗涛; 卢明; 代贵刚; 王乾坤
Original assignee: Wujiang Dongfeng Electrical Equipment Co ltd
Current assignee: Wujiang Dongfeng Electrical Equipment Co ltd
Priority date: 2022-12-30
Filing date: 2022-12-30
Publication date: 2023-07-11
Anticipated expiration: 2032-12-30

Abstract

The utility model belongs to the technical field of household appliance temperature controllers, in particular to a household appliance temperature controller capable of realizing fire heat protection, which comprises a protection shell, wherein a positive electrode conducting rod and a negative electrode conducting rod are arranged on one side of the protection shell, and a multiple protection power-off mechanism is arranged in the protection shell; the fixed sleeve is sleeved on the pull rod in a sliding manner, a supporting arm is arranged between the fixed sleeve and the protective shell and is connected with the fixed sleeve through the supporting arm, a limiting spring is sleeved on the pull rod, two ends of the limiting spring are respectively fixedly connected with the bottom of the protective shell and the top of the fixed sleeve, the pull rod is pulled downwards, the pull rod drives the heat conducting rod to slide downwards, the bimetallic strip is further driven to move downwards, the moving contact is further separated from the contact with the fixed contact, then the limiting bolt is arranged on the outer wall of the fixed sleeve, limiting holes matched with the limiting bolt are formed in the pull rod, and the positions of the pull rod can be fixed through mutual clamping, so that the state of power failure is always ensured.

Description

Household appliance temperature controller capable of realizing fire and heat protection

Technical Field

The utility model belongs to the technical field of household appliance temperature controllers, and particularly relates to a household appliance temperature controller capable of realizing fire and heat protection.

Background

The temperature controller has a very wide application range, is applied to numerous products such as household appliances, motors, refrigeration or heating according to different types of temperature controllers, and at present, when the temperature of a general bimetallic strip temperature controller reaches a preset temperature, the bimetallic strip is heated and bent, so that a movable contact and a static contact are separated to achieve the purpose of cutting off a power supply.

In order to solve the problems, the application provides a household appliance temperature controller capable of realizing fire and heat protection.

Disclosure of Invention

To solve the problems set forth in the background art. The utility model provides a household appliance temperature controller capable of realizing fire and heat protection, which can solve the problems that a bimetallic strip is subjected to repeated bending deformation in the long-time use process, the heating deformation amount of the bimetallic strip is changed, the phase change amount of the bimetallic strip is insufficient when the temperature is high, the temperature controller cannot be opened in time, and the circuit is dangerous because of the fact that the temperature controller is not opened in time through an added multiple protection power-off mechanism.

In order to achieve the above purpose, the present utility model provides the following technical solutions: a household appliance temperature controller capable of realizing fire heat protection comprises a protection shell, wherein a positive electrode conducting rod and a negative electrode conducting rod are arranged on one side of the protection shell, and a multiple protection power-off mechanism is arranged in the protection shell;

the multiple protection outage mechanism includes protective sleeve, heat conduction rod, heat conduction head, bimetallic strip, moving contact, manual protection mechanism and alarm subassembly, protective sleeve's both ends are installed protective housing's inner wall, heat conduction rod sliding connection is in protective sleeve's inside, the heat conduction head is installed protective housing's outside, the one end of heat conduction rod with the one end conflict of heat conduction head is connected, the one end of bimetallic strip is cup jointed through fixed sleeve plate on the heat conduction rod, the moving contact is installed the other end top of bimetallic strip, just the moving contact is in with install the fixed contact conflict of anodal conducting rod one end bottom is connected, manual protection mechanism sets up the bottom of heat conduction rod, alarm subassembly sets up protective housing's inside.

As the household appliance temperature controller capable of realizing the fire and heat protection, the manual protection mechanism comprises a pull rod, a limit spring, a fixed sleeve, a support arm and a pull head, wherein one end of the pull rod penetrates through the bottom of the protection sleeve in a sliding manner and is fixedly connected with the bottom of the heat conducting rod, the pull head is fixedly connected with the other end of the pull rod, the fixed sleeve is sleeved on the pull rod in a sliding manner, the support arm is arranged between the fixed sleeve and the protection shell and is connected with the protection shell through the support arm, the limit spring is sleeved on the pull rod, and two ends of the limit spring are respectively fixedly connected with the bottom of the protection shell and the top of the fixed sleeve.

As the household appliance temperature controller capable of realizing the fire and heat protection, the alarm assembly comprises an alarm, a temperature sensor and a controller, wherein the alarm and the controller are both arranged on the outer wall of the protective shell, the temperature sensor is arranged at one end of the bimetallic strip, the temperature sensor and the alarm are electrically connected with the controller, and the controller is electrically connected with an external power supply.

As the household appliance temperature controller capable of realizing the fire heat protection, the utility model is preferable, one end of the negative electrode conducting rod is provided with the sliding sleeve plate, the sliding sleeve plate is sleeved on the conducting rod in a sliding way, the middle end of the negative electrode conducting rod is provided with the fuse box, and the fuse box is internally provided with the fuse.

Compared with the prior art, the utility model has the beneficial effects that:

1. when manual power-off operation is needed, one end of the pull rod is fixedly connected with the bottom of the heat conducting rod through sliding penetrating through the bottom of the protective sleeve, the pull head is fixedly connected with the other end of the pull rod, the fixed sleeve is sleeved on the pull rod in a sliding mode, a supporting arm is arranged between the fixed sleeve and the protective shell and is connected through the supporting arm, the limiting spring is sleeved on the pull rod, two ends of the limiting spring are fixedly connected with the bottom of the protective shell and the top of the fixed sleeve respectively, the pull rod is pulled downwards, the pull rod drives the heat conducting rod to slide downwards, the bimetallic strip is further driven to move downwards, the moving contact is further separated from contact with the fixed contact, and then the outer wall of the fixed sleeve is provided with a limiting bolt, and a limiting hole matched with the limiting bolt is formed in the pull rod;

2. when the equipment is not timely powered off, the equipment is still in a power-on state, so that the controller still works, and because the temperature sensor is arranged at one end of the bimetallic strip, the temperature sensor and the alarm are electrically connected with the controller, the controller is electrically connected with an external power supply, and after the temperature of the bimetallic strip reaches an alarm value, the temperature sensor transmits a signal to the controller, and the controller controls the alarm to alarm so as to remind of manual intervention power off.

Drawings

The accompanying drawings are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate the utility model and together with the embodiments of the utility model, serve to explain the utility model. In the drawings:

FIG. 1 is a schematic diagram of the overall structure of the present utility model;

FIG. 2 is a schematic view of the structure of the protective sleeve according to the present utility model;

FIG. 3 is a schematic view of a spacing spring according to the present utility model;

fig. 4 is a schematic structural diagram of a temperature sensor according to the present utility model.

In the figure:

1. a protective housing;

2. a positive electrode conductive rod; 21. a stationary contact;

3. a negative electrode conductive rod; 31. a sliding sleeve plate; 32. a safe box;

4. a multiple protection power-off mechanism; 41. a protective sleeve; 42. a heat conduction rod; 43. a heat conduction head; 44. bimetallic strips; 441. fixing the sleeve plate; 45. a moving contact; 46. a manual protection mechanism; 461. a pull rod; 462. a limit spring; 463. fixing the sleeve; 464. a support arm; 465. a pull head; 47. an alarm assembly; 471. an alarm; 472. a temperature sensor; 473. and a controller.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

As shown in fig. 1;

the utility model provides a household electrical appliances temperature controller that can realize hot protection, includes protective housing 1, and anodal conducting rod 2 and negative pole conducting rod 3 are installed to one side of protective housing 1, and protective housing 1's inside is provided with multiple protection outage mechanism 4.

In this embodiment: under the general condition, the application range of the temperature controller is very wide, the temperature controller is applied to numerous products such as household appliances, motors, refrigeration or heating according to different types, at present, when the temperature of the general temperature controller with the bimetallic strip 44 reaches the preset temperature, the bimetallic strip 44 is heated and bent, so that the movable contact 21 and the fixed contact 21 are separated to achieve the purpose of cutting off a power supply, after the temperature of a heat source is reduced, the bimetallic strip 44 is automatically reset, and the movable contact 21 and the fixed contact 21 are communicated again, but the bimetallic strip 44 is subjected to repeated bending deformation in the long-time use process, the heating deformation amount of the bimetallic strip 44 is changed, so that the phase change amount of the bimetallic strip 44 is insufficient when the temperature controller is at high temperature, the temperature controller cannot be timely disconnected, the circuit is dangerous, and further, through the increased multiple protection power-off mechanism 4, the manual power off can be realized through alarm reminding under the condition that the equipment is not in time short-circuited.

As shown in fig. 1-4;

based on the existing household appliance temperature controller with thermal protection, the problem that the temperature controller cannot be timely broken to cause circuit danger due to insufficient phase change amount of the bimetallic strip 44 when the temperature controller is in high temperature caused by the fact that the bimetallic strip 44 is subjected to repeated bending deformation in the long-time use process can be solved through the added multiple protection power-off mechanism 4.

Further, the method comprises the following steps:

in combination with the above, in order to carry out manual power-off through the alarm warning under the condition that the equipment is not in time shorted, the inside of the protective casing 1 is provided with multiple protection power-off mechanism 4, multiple protection power-off mechanism 4 includes protective sleeve 41, heat conducting rod 42, heat conducting head 43, bimetallic strip 44, moving contact 45, manual protection mechanism 46 and alarm assembly 47, the inner wall at protective casing 1 is installed at the both ends of protective sleeve 41, heat conducting rod 42 sliding connection is in the inside of protective sleeve 41, heat conducting head 43 is installed in the outside of protective casing 1, one end of heat conducting rod 42 is in conflict connection with one end of heat conducting head 43, one end of bimetallic strip 44 is cup jointed on heat conducting rod 42 through fixed sleeve plate 441, moving contact 45 is installed at the other end top of bimetallic strip 44, and moving contact 45 is in conflict connection with fixed contact 21 installed in the bottom of anodal conducting rod 2 one end, manual protection mechanism 46 is arranged in the bottom of heat conducting rod 42, alarm assembly 47 is arranged in the inside of protective casing 1.

In this embodiment: because the fixed contact 21 is contacted with the moving contact 45, the current inside the temperature controller is ensured to form a passage, after the temperature of the heat conducting rod 42 is increased, one end of the bimetallic strip 44 is sleeved on the heat conducting rod 42 through the fixed sleeve plate 441, the bimetallic strip 44 is changed to bend downwards, at the moment, the moving contact 45 moves downwards to be separated from contact with the fixed contact 21, the device is broken, and under the condition that short circuit cannot occur in time, the equipment is still in an electrified state, so that the alarm assembly 47 is led to intervene in work, then the alarm assembly 47 is used for alarming, and the manual power-off operation is carried out by controlling the manual protection mechanism 46.

Still further, the method comprises: the manual protection mechanism 46 comprises a pull rod 461, a limit spring 462, a fixed sleeve 463, a support arm 464 and a pull head 465, one end of the pull rod 461 is slidably penetrated through the bottom of the protection sleeve 41 and fixedly connected with the bottom of the heat conducting rod 42, the pull head 465 is fixedly connected with the other end of the pull rod 461, the fixed sleeve 463 is slidably sleeved on the pull rod 461, the support arm 464 is arranged between the fixed sleeve 463 and the protection shell 1 and is connected with the support arm 464 through the support arm 464, the limit spring 462 is sleeved on the pull rod 461, and two ends of the limit spring 462 are fixedly connected with the bottom of the protection shell 1 and the top of the fixed sleeve 463 respectively.

In this embodiment: after the manual power-off operation is required, because one end of the pull rod 461 is fixedly connected with the bottom of the protection sleeve 41 and the bottom of the heat conducting rod 42 in a sliding manner, the pull head 465 is fixedly connected with the other end of the pull rod 461, the fixing sleeve 463 is sleeved on the pull rod 461 in a sliding manner, a supporting arm 464 is arranged between the fixing sleeve 463 and the protection shell 1 and is connected with the supporting arm 464 through the supporting arm 464, the limiting spring 462 is sleeved on the pull rod 461, two ends of the limiting spring 462 are respectively fixedly connected with the bottom of the protection shell 1 and the top of the fixing sleeve 463, the pull rod 461 is pulled downwards, the heat conducting rod 42 is driven by the pull rod 461 to slide downwards, the bimetallic strip 44 is further driven to move downwards, the movable contact 45 is separated from the contact with the fixed contact 21, and then the limiting bolt is arranged on the outer wall of the fixing sleeve 463, the limiting hole matched with the limiting bolt is formed in the pull rod 461 through mutual clamping, so that the position of the pull rod 461 can be fixed, and the state of the pull rod 461 is always in a power-off state is ensured.

Still further, the method comprises: the alarm assembly 47 comprises an alarm 471, a temperature sensor 472 and a controller 473, wherein the alarm 471 and the controller 473 are both arranged on the outer wall of the protective housing 1, the temperature sensor 472 is arranged at one end of the bimetallic strip 44, the temperature sensor 472 and the alarm 471 are electrically connected with the controller 473, and the controller 473 is electrically connected with an external power supply.

In this embodiment: when the device is not timely powered off, the device is still in a power-on state, so that the controller 473 still works, and because the temperature sensor 472 is installed at one end of the bimetallic strip 44, the temperature sensor 472 and the alarm 471 are electrically connected with the controller 473, the controller 473 is electrically connected with an external power supply, and after the temperature of the bimetallic strip 44 reaches an alarm value, the temperature sensor 472 transmits a signal to the controller 473, and the controller 473 controls the alarm 471 to alarm so as to remind of the power-off of the manual intervention.

It should be understood that: the slip cap plate 31 is installed to the one end of negative pole conducting rod 3, and slip cap plate 31 slides and cup joints on the conducting rod 42, and the middle-end of negative pole conducting rod 3 is equipped with the fuse-box 32, is equipped with the fuse in the fuse-box 32, and when the manual work can't in time cut off the power supply, because be equipped with the fuse in the fuse-box 32, the fuse can automatic circuit breaking under too high temperature, and the manual quick circuit breaking can be realized to the device simultaneously, the security when further guaranteeing the thermometer during use.

Finally, it should be noted that: the foregoing description is only a preferred embodiment of the present utility model, and the present utility model is not limited thereto, but it is to be understood that modifications and equivalents of some of the technical features described in the foregoing embodiments may be made by those skilled in the art, although the present utility model has been described in detail with reference to the foregoing embodiments. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.

Claims

1. The utility model provides a household electrical appliances temperature controller that can realize hot protection, includes protective housing (1), anodal conducting rod (2) and negative pole conducting rod (3) are installed to one side of protective housing (1), its characterized in that: a multiple protection power-off mechanism (4) is arranged in the protection shell (1);

multiple protection outage mechanism (4) are including protective casing (41), heat conduction pole (42), heat conduction head (43), bimetallic strip (44), moving contact (45), manual protection mechanism (46) and alarm subassembly (47), the inner wall of protective housing (1) is installed at the both ends of protective casing (41), heat conduction pole (42) sliding connection is in the inside of protective casing (41), heat conduction head (43) are installed the outside of protective housing (1), the one end of heat conduction pole (42) with the one end conflict of heat conduction head (43) is connected, the one end of bimetallic strip (44) is cup jointed on heat conduction pole (42) through fixed sleeve plate (441), moving contact (45) are installed the other end top of bimetallic strip (44), just moving contact (45) are in with install static contact (21) conflict of anodal conducting rod (2) one end bottom is connected, manual protection mechanism (46) set up the bottom of heat conduction pole (42), alarm subassembly (47) set up inside protective housing (1).

2. The household appliance temperature controller capable of realizing fire and heat protection according to claim 1, wherein: manual protection machanism (46) are including pull rod (461), spacing spring (462), fixed sleeve (463), support arm (464) and pull head (465), the one end of pull rod (461) slip runs through the bottom of protection sleeve (41) with the bottom fixed connection of heat conduction pole (42), pull head (465) fixed connection is in the other end of pull rod (461), fixed sleeve (463) slip cup joints on pull rod (461), fixed sleeve (463) with be provided with between protection casing (1) support arm (464), and through support arm (464) are connected, spacing spring (462) cup joint on pull rod (461), just the both ends of spacing spring (462) respectively with the bottom of protection casing (1) with the top fixed connection of fixed sleeve (463).

3. The household appliance temperature controller capable of realizing fire protection according to claim 2, wherein: the alarm assembly (47) comprises an alarm (471), a temperature sensor (472) and a controller (473), wherein the alarm (471) and the controller (473) are both arranged on the outer wall of the protective casing (1), the temperature sensor (472) is arranged at one end of the bimetallic strip (44), the temperature sensor (472) and the alarm (471) are electrically connected with the controller (473), and the controller (473) is electrically connected with an external power supply.

4. The household appliance temperature controller capable of realizing fire and heat protection according to claim 1, wherein: the negative electrode conducting rod is characterized in that one end of the negative electrode conducting rod (3) is provided with a sliding sleeve plate (31), the sliding sleeve plate (31) is sleeved on the conducting rod (42) in a sliding mode, the middle end of the negative electrode conducting rod (3) is provided with a fuse box (32), and a fuse is arranged in the fuse box (32).