Temperature control integrated protector
By designing the temperature control integrated protector, the integrated design of the diaphragm box drive assembly and the pusher moving contact assembly is solved, the complex circuit problems in the prior art are solved, and the temperature sensing automatic control circuit is turned off or turned on, simplifying the circuit structure and improving the convenience of use.
Patent Information
- Application Number
- CN202422367347.1
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-09-26
- Publication Date
- 2025-07-18
- Estimated Expiration
- 2034-09-26
AI Technical Summary
The existing temperature-controlled protector needs to be connected in series with the thermostat and the protector, resulting in complex circuits and inconvenient use.
Design a temperature control integrated protector, which controls the push rod and the moving contact assembly through the membrane box drive assembly to realize the integrated design of temperature sensing and circuit disconnection or connection, including the membrane box, the membrane handle, the temperature adjustment shaft, the capillary and the temperature sensing cylinder. The liquid expansion in the temperature sensing cylinder pushes the diaphragm box to press the push rod down, and the push rod pushes the movable contact assembly to disconnect or contact terminals.
It realizes automatic disconnection or switching on the circuit at different temperatures, simplifies the circuit structure and improves the convenience of use.
Smart Images

Figure CN223123822U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of circuit protection, and particularly relates to a temperature control integrated protector. Background Art
[0002] When the protector exceeds the normal temperature, the circuit is disconnected. The temperature control protector controls the contact or separation of the elastic piece contacts in the temperature controller through the deformation of the temperature sensing piece to determine the connection or disconnection of the circuit, so as to realize the function of temperature control. In order to achieve the above protection effect at the same time, usually a temperature controller and a protector are connected in series in the circuit, resulting in a complex circuit and inconvenient use. Content of the Utility Model
[0003] The utility model aims to solve at least one of the technical problems existing in the prior art. For this purpose, an embodiment of the utility model provides a temperature control integrated protector, which includes a main body, a temperature adjusting plate, a push rod, a diaphragm box driving assembly, terminals, a first moving contact piece assembly, and a second moving contact piece assembly. A switch box is installed at the bottom of the main body, and a partition is installed between the switch box and the main body; the temperature adjusting plate is installed in the main body through a pin; the push rod includes a first push rod and a second push rod, and the first push rod and the second push rod are respectively installed on the partition in a lifting manner; two diaphragm box driving assemblies are adopted, and the two diaphragm box driving assemblies are installed in the main body, and the two diaphragm box driving assemblies respectively press down the first push rod and the second push rod; the terminals are installed in the switch box, and the terminals include a first terminal, a second terminal, a third terminal, and a fourth terminal; the first moving contact piece assembly is connected to the first terminal, and the first moving contact piece assembly is pushed downward by the first push rod that is moved downward, so that the moving contact piece assembly is disconnected from the second terminal; the second moving contact piece assembly is connected to the third terminal, and the second moving contact piece assembly is pushed downward by the second push rod that is moved downward, so that the moving contact piece assembly is in contact with the fourth terminal.
[0004] The utility model has at least the following beneficial effects:
[0005] During operation, when the temperature exceeds the preset first temperature, the first diaphragm box driving assembly respectively presses down the first push rod; the first moving contact piece assembly is pushed downward by the first push rod that is moved downward, so that the first moving contact piece assembly is disconnected from the second terminal. When the temperature continues to rise and exceeds the preset second temperature, the second diaphragm box driving assembly respectively presses down the second push rod; the second moving contact piece assembly is pushed downward by the second push rod that is moved downward, so that the second moving contact piece assembly is disconnected from the third terminal, realizing further protection.
[0006] According to some embodiments of the present utility model, the bellows driving assembly includes a bellows, a bellows handle, a temperature adjusting shaft, a capillary tube, and a temperature sensing cylinder. The bellows is located above the push rod. The bellows handle is arranged at the top of the bellows. The bellows handle is inserted into the temperature adjusting shaft. The temperature adjusting shaft is screwed onto the temperature adjusting plate. One end of the capillary tube leads into the bellows handle, and the other end of the capillary tube leads into the temperature sensing cylinder.
[0007] According to some embodiments of the present utility model, a compression spring is press-fitted between the lower part of the bellows and the partition plate.
[0008] According to some embodiments of the present utility model, the first moving contact component includes a first moving contact, a first static contact, and a first contact holder. One end of the first moving contact is fixed to the first contact holder. The first contact holder is connected to the first terminal. The other end of the first moving contact contacts or disconnects from the first static contact. The first static contact is connected to the second terminal.
[0009] According to some embodiments of the present utility model, the second moving contact component includes a second moving contact, a static contact block, a second contact holder, and a bow spring. One end of the second moving contact is fixed to the second contact holder. The second contact holder is connected to the third terminal. The other end of the second moving contact contacts or disconnects from the static contact block. The static contact block is connected to the fourth terminal. The second moving contact includes a body and a reed portion. A first connection block is arranged on the body, and a second connection block is arranged on the reed portion. One end of the bow spring is connected to the first connection block, and the other end of the bow spring is connected to the second connection block.
[0010] According to some embodiments of the present utility model, a reset rod is further included. The upper section of the reset rod is inserted through the temperature adjusting plate. The lower section of the reset rod passes through the partition plate and presses against the second moving contact component. A spring is sleeved on the reset rod.
[0011] The additional aspects and advantages of the present utility model will be partially given in the following description, partially become obvious from the following description, or be understood through the practice of the present utility model. BRIEF DESCRIPTION OF THE DRAWINGS
[0012] The above and / or additional aspects and advantages of the present utility model will become obvious and easy to understand from the description of the embodiments in conjunction with the following drawings, wherein:
[0013] Figure 1 is an overall exploded schematic diagram of an embodiment of the present utility model;
[0014] Figure 2 is an overall bottom schematic diagram of an embodiment of the present utility model;
[0015] Figure 3Schematic cross-sectional view of an embodiment of the present utility model Figure 1 ;
[0016] Figure 4 Schematic cross-sectional view of an embodiment of the present utility model Figure 2 ;
[0017] Figure 5 Schematic diagram of the second moving contact piece assembly of an embodiment of the present utility model;
[0018] Figure 6 Schematic diagram of the reset rod of an embodiment of the present utility model; Detailed implementation manners
[0019] The embodiments of the present utility model will be described in detail below. The examples of the embodiments are shown in the drawings, where the same or similar reference numerals denote the same or similar elements or elements having the same or similar functions throughout. The embodiments described below by referring to the drawings are exemplary and are only used to explain the present utility model, and should not be construed as a limitation to the present utility model.
[0020] In the description of the present utility model, it should be understood that for the orientation description, such as the orientation or positional relationship indicated by up, down, front, back, left, right, etc. is based on the orientation or positional relationship shown in the drawings. It is only for the convenience of describing the present utility model and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be construed as a limitation to the present utility model.
[0021] In the description of the present utility model, the meaning of "plurality" is more than two, and understandings such as greater than, less than, exceeding, etc. do not include the present number. If the first and second are described only for the purpose of distinguishing technical features, they should not be construed as indicating or implying relative importance or implicitly indicating the quantity of the indicated technical features or implicitly indicating the sequence relationship of the indicated technical features.
[0022] In the description of the present utility model, unless otherwise clearly defined, words such as "set", "install", "connect", etc. should be understood in a broad sense. Those skilled in the art can reasonably determine the specific meanings of the above words in the present utility model in combination with the specific content of the technical solution.
[0023] Refer to Figure 1 、 2, a temperature control integrated protector, comprising a main body 100, a temperature adjustment plate 400, a push rod 500, a diaphragm box drive assembly 600, terminals 700, a first moving contact piece assembly 800, a second moving contact piece assembly 900. A switch box 200 is installed at the bottom of the main body 100, and a partition 300 is installed between the switch box 200 and the main body 100; the temperature adjustment plate 400 is installed in the main body 100 through a pin; the push rod 500 includes a first push rod 510 and a second push rod 520, and the first push rod 510 and the second push rod 520 are respectively installed on the partition 300 for lifting; two diaphragm box drive assemblies 600 are adopted, and the two diaphragm box drive assemblies 600 are installed in the main body 100, and the two diaphragm box drive assemblies 600 respectively press down the first push rod 510 and the second push rod 520; the terminals 700 are installed in the switch box 200, and the terminals 700 include a first terminal 710, a second terminal 720, a third terminal 730, and a fourth terminal 740; the first moving contact piece assembly 800 is connected to the first terminal 710, and the first moving contact piece assembly 800 is pushed downward by the downwardly moved first push rod 510, so that the moving contact piece assembly is disconnected from the second terminal 720; the second moving contact piece assembly 900 is connected to the third terminal 730, and the second moving contact piece assembly 900 is pushed downward by the downwardly moved second push rod 520, so that the moving contact piece assembly is in contact with the fourth terminal 740.
[0024] During operation, when the temperature exceeds the preset first temperature, the first diaphragm box drive assembly 600 respectively presses down the first push rod 510; the first moving contact piece assembly 800 is pushed downward by the downwardly moved first push rod 510, so that the first moving contact piece assembly 800 is disconnected from the second terminal 720. When the temperature continues to rise and exceeds the preset second temperature, the second diaphragm box drive assembly 600 respectively presses down the second push rod 520; the second moving contact piece assembly 900 is pushed downward by the downwardly moved second push rod 520, so that the second moving contact piece assembly 900 is disconnected from the third terminal 730, achieving further protection.
[0025] Refer to Figure 3 , 4 As shown in the figure, the diaphragm box drive assembly 600 includes a diaphragm box 610, a diaphragm handle 620, a temperature adjustment shaft 630, a capillary tube 640, and a temperature sensing cylinder 650. The diaphragm box 610 is located above the push rod 500, a diaphragm handle 620 is provided at the top of the diaphragm box 610, the diaphragm handle 620 is inserted into the temperature adjustment shaft 630, the temperature adjustment shaft 630 is threadedly installed on the temperature adjustment plate 400, and by rotating the temperature adjustment shaft 630, the height of the diaphragm box 610 is adjusted to adjust the downward movement stroke of the diaphragm box 610. One end of the capillary tube 640 passes into the diaphragm handle 620, the other end of the capillary tube 640 passes into the temperature sensing cylinder 650, and the two temperature sensing cylinders 650 are inserted into the inner tank of the water heater. The liquid in the temperature sensing cylinder 650 expands when heated and enters the diaphragm handle 620, and then pushes the diaphragm box 610 downward, so that the diaphragm box 610 presses down the first push rod 510 and the second push rod 520.
[0026] In order to facilitate the resetting of the membrane box 610 , a compression spring 660 is installed between the bottom of the membrane box 610 and the partition plate 300 .
[0027] Reference Figure 3 As shown, the first moving contact piece assembly 800 includes a first moving contact piece 810, a first stationary contact piece 820, and a first contact piece frame 830. One end of the first moving contact piece 810 is fixed to the first contact piece frame 830, and the first contact piece frame 830 is connected to the first terminal 710; the other end of the first moving contact piece 810 is in contact with or disconnected from the first stationary contact piece 820, and the first stationary contact piece 820 is connected to the second terminal 720.
[0028] Reference Figure 4 , 5 6, the second movable contact piece assembly 900 includes a second movable contact piece 910, a stationary contact block 920, a second contact piece frame 930, and a bow spring 940. One end of the second movable contact piece 910 is fixed to the second contact piece frame 930, and the second contact piece frame 930 is connected to the third terminal 730; the other end of the second movable contact piece 910 is in contact with or disconnected from the stationary contact block 920, and the stationary contact block 920 is connected to the fourth terminal 740;
[0029] The second moving contact piece 910 includes a main body 911 and a spring portion 912 . The main body 911 is provided with a first connecting block 913 . The spring portion 912 is provided with a second connecting block 914 . One end of the bow spring 940 is connected to the first connecting block 913 , and the other end of the bow spring 940 is connected to the second connecting block 914 .
[0030] During operation, the second moving contact piece 910 contacts the static contact block 920. When the temperature exceeds the second preset temperature, the liquid in the temperature sensing tube 650 in the second membrane box driving assembly 600 expands due to the heat and enters the membrane handle 620, and pushes the membrane box 610 downward, so that the membrane box 610 presses down the second push rod 520, and the second push rod 520 presses down the spring piece 912, so that the end of the bow spring 940 connected to the first connecting block 913 is compressed, and the end of the bow spring 940 connected to the second connecting block 914 is tilted upward, so that the second moving contact piece 910 is disconnected from the static contact block 920, thereby realizing the disconnection of the circuit.
[0031] In order to reset the bow spring 940, a reset rod 1000 is also included. The upper section of the reset rod 1000 is installed on the temperature regulating plate 400, and the lower section of the reset rod 1000 passes through the partition 300 and presses toward the second moving contact piece 910 in the second moving contact piece assembly 900. The reset rod 1000 is provided with a spring 2000. By pressing the reset rod 1000, the bow spring 940 is pressed and reset, so that the second moving contact piece 910 contacts the static contact block 920, and the circuit is connected.
[0032] In the description of this specification, the descriptions referring to terms such as "some embodiments" or "it is conceivable that" mean that the specific features, structures, materials or characteristics described in connection with the embodiment or example are included in at least one embodiment or example of the present utility model. In this specification, the schematic expressions of the above terms do not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in a suitable manner in any one or more embodiments or examples.
[0033] The embodiments of the present utility model have been described in detail above with reference to the accompanying drawings. However, the present utility model is not limited to the above embodiments. Within the scope of knowledge possessed by those of ordinary skill in the art to which it pertains, various changes can be made without departing from the gist of the present utility model.
Claims
1. A temperature-controlled integrated protector, characterized in that, Comprising: A main body (100), a switch box (200) is installed at the bottom of the main body (100), and a partition plate (300) is installed between the switch box (200) and the main body (100); A temperature adjusting plate (400), the temperature adjusting plate (400) is installed in the main body (100) by pins, A push rod (500), the push rod (500) includes a first push rod (510) and a second push rod (520), the first push rod (510) and the second push rod (520) are respectively installed on the partition plate (300) for lifting; Two diaphragm box driving components (600), the two diaphragm box driving components (600) are installed in the main body (100), and the two diaphragm box driving components (600) respectively press down the first push rod (510) and the second push rod (520); Terminals (700), the terminals (700) are installed in the switch box (200), and the terminals (700) include a first terminal (710), a second terminal (720), a third terminal (730), and a fourth terminal (740); A first moving contact piece assembly (800), the first moving contact piece assembly (800) is connected to the first terminal (710), and the first moving contact piece assembly (800) is pushed downward by the first push rod (510) that moves downward, so that the moving contact piece assembly is disconnected from the second terminal (720); A second moving contact piece assembly (900), the second moving contact piece assembly (900) is connected to the third terminal (730), and the second moving contact piece assembly (900) is pushed downward by the second push rod (520) that moves downward, so that the moving contact piece assembly contacts the fourth terminal (740).
2. The temperature control integrated protector according to claim 1, characterized in that, The diaphragm box driving component (600) includes a diaphragm box (610), a diaphragm handle (620), a temperature adjusting shaft (630), a capillary tube (640), and a temperature sensing cylinder (650). The diaphragm box (610) is located above the push rod (500), a diaphragm handle (620) is arranged at the top of the diaphragm box (610), the diaphragm handle (620) is inserted into the temperature adjusting shaft (630), the temperature adjusting shaft (630) is screwed on the temperature adjusting plate (400), one end of the capillary tube (640) leads into the diaphragm handle (620), and the other end of the capillary tube (640) leads into the temperature sensing cylinder (650).
3. The thermostatic integrated protector according to claim 2, characterized in that, A compression spring (660) is press-fitted between the lower part of the diaphragm box (610) and the partition plate (300).
4. The temperature control integrated protector according to claim 1, characterized in that, The first moving contact piece assembly (800) includes a first moving contact piece (810), a first static contact piece (820), and a first contact piece holder (830). One end of the first moving contact piece (810) is fixed on the first contact piece holder (830), and the first contact piece holder (830) is connected to the first terminal (710); the other end of the first moving contact piece (810) contacts or disconnects from the first static contact piece (820), and the first static contact piece (820) is connected to the second terminal (720).
5. A temperature control integrated protector according to claim 1, characterized in that, The second moving contact piece assembly (900) includes a second moving contact piece (910), a stationary contact block (920), a second contact piece holder (930), and a bow spring (940). One end of the second moving contact piece (910) is fixed to the second contact piece holder (930), and the second contact piece holder (930) is connected to the third terminal (730). The other end of the second moving contact piece (910) contacts or disconnects from the stationary contact block (920), and the stationary contact block (920) is connected to the fourth terminal (740). The second moving contact piece (910) includes a main body (911) and a reed portion (912). A first connecting block (913) is provided on the main body (911), and a second connecting block (914) is provided on the reed portion (912). One end of the bow spring (940) is connected to the first connecting block (913), and the other end of the bow spring (940) is connected to the second connecting block (914).
6. The temperature control integrated protector according to claim 5, characterized in that, It further includes a reset rod (1000). The upper section of the reset rod (1000) is mounted on the temperature regulating plate (400). The lower section of the reset rod (1000) passes through the partition plate (300) and presses against the second moving contact piece assembly (900). A spring (2000) is sleeved on the reset rod (1000).