CN216145553U

CN216145553U - Temperature controller

Info

Publication number: CN216145553U
Application number: CN202121352707.0U
Authority: CN
Inventors: 王建平
Original assignee: Cixi Minghe Xinghua Electric Appliance Co ltd
Current assignee: Cixi Minghe Xinghua Electric Appliance Co ltd
Priority date: 2021-06-18
Filing date: 2021-06-18
Publication date: 2022-03-29
Anticipated expiration: 2031-06-18

Abstract

The utility model discloses a temperature controller, which comprises a movable terminal and a fixed terminal, wherein the fixed terminal is matched with the movable terminal, a movable terminal elastic sheet is arranged on the movable terminal, a movable contact point which is contacted with the fixed terminal is arranged on the movable terminal elastic sheet, the movable contact point is connected with the fixed terminal, a fixed contact point is arranged on the fixed terminal, the fixed contact point is a silver contact point, the movable contact point is contacted with the fixed contact point, and the fixed terminal is also provided with a copper strip. The temperature controller is reasonable in design and simple in structure, is more favorable for reducing the contact resistance generated when the movable terminal and the fixed terminal in the temperature controller are contacted, greatly improves the performance of the temperature controller product, and can meet the use requirement.

Description

Temperature controller

Technical Field

The utility model relates to the technical field of temperature controllers, in particular to a temperature controller.

Background

The known temperature controller is a series of automatic control elements, also called temperature control switches, temperature protectors, temperature controllers, or simply temperature controllers, which are physically deformed inside a switch according to the temperature change of the working environment to generate some special effects and generate on or off actions. Or the temperature protector is used for transmitting the temperature to the temperature controller, and the temperature controller sends a switching command, so that the operation of the control equipment can achieve the ideal temperature and energy-saving effect. But still can't be fine to the current temperature controller and carry out contact resistance's reduction between the sound terminal fine, for example at 2021 year 04 month 09 days of bulletin day, the chinese utility model patent that the bulletin number is CN212936381U of bulletin discloses a temperature controller, including temperature controller body, one side of temperature controller body is provided with waterproof terminal box, and waterproof connection, two are all installed to waterproof connection's both sides outer wall waterproof hose is all installed to the outer wall that one side was kept away from each other to waterproof connection, and one side outer wall of one of them waterproof hose passes through one side wall connection of screw and temperature controller body. Therefore, the contact resistance of the temperature controller in the prior art between the contact of the movable and fixed terminals can not be reduced, and the temperature controller can be damaged seriously, so that the temperature controller cannot work normally and cannot meet the use requirement.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

Aiming at the defects in the prior art, the utility model provides the temperature controller which is reasonable in design and simple in structure, is more favorable for reducing the contact resistance generated when a movable terminal and a fixed terminal of the temperature controller are contacted, greatly improves the performance of the temperature controller product, and can meet the use requirements.

(II) the technical scheme adopted

In order to achieve the purpose, the technical scheme adopted by the utility model is as follows:

the utility model provides a temperature controller, including move the terminal and set up with move the quiet terminal that the terminal was mutually supported, it moves the terminal shell fragment to be provided with one on the terminal to move, move be provided with on the end shell fragment with the movable contact point that quiet terminal contacted, the contact point is connected with quiet terminal, be provided with the stationary contact point on the quiet terminal, the stationary contact point is silver contact, this kind move the contact point with the stationary contact point contacts, just the quiet terminal still is provided with the copper strips.

Preferably, the movable contact point and the fixed terminal are connected by welding.

Preferably, the movable terminal comprises a base and a contact piece arranged on the base, a mounting groove is formed in the contact piece, a groove is formed in the mounting groove, the fixed terminal is arranged in the mounting groove, a lower isolation piece is arranged between the fixed terminal and the mounting groove, a convex block is arranged on the lower isolation piece and clamped in the groove, and the movable contact point and the upper isolation piece are in contact with the fixed terminal.

Preferably, the lower spacer and the upper spacer are both ceramic plates.

Preferably, the base includes hollow structure's pole portion and be provided with on the pole portion and be used for the chucking the seat of hugging closely of copper strips on the static terminal, and hug closely and be provided with a breach on the seat.

Preferably, the copper strip comprises a copper strip body and a fixing seat on the copper strip body, and the fixing seat is used for being placed in the clasping seat.

Preferably, a mounting seat is arranged in the mounting groove, a bimetallic strip is mounted on the mounting seat, and a salient point is arranged on the movable end bullet piece corresponding to the lower surface of the bimetallic strip.

Preferably, the mounting seat comprises a base and a fixing column on the upper end surface of the base, and the base and the fixing column are integrally formed.

Preferably, the base adopts a circular truncated cone column, the fixing column adopts a cylinder, and the upper end surface of the cylinder adopts a circular arc shape.

Preferably, the connector further comprises a housing, the housing comprises an outer cover and an opening is arranged on one side of the outer cover, and a cavity capable of containing the movable terminal and the fixed terminal is formed in the outer cover.

(III) advantageous effects

The utility model has the beneficial effects that:

firstly, a movable contact point which is in contact with a static terminal is arranged on a movable end bullet piece, the movable contact point is connected with the static terminal, a static contact point is arranged on the static terminal, the static contact point is a silver contact point, the movable contact point is in contact with the static contact point, and the static terminal is also provided with a copper strip, so that the arrangement is more favorable for reducing contact resistance, and the performance of a product is greatly improved, thereby being capable of using 40A heavy current, being more favorable for meeting the technical requirement of the heavy current, solving the problem that the current market can not meet the requirement of the heavy current, and being more capable of meeting the use requirement;

secondly, the movable terminal elastic sheet is arranged on the movable terminal, the movable contact point which is contacted with the static terminal is arranged on the movable terminal elastic sheet, the contact point is connected with the static terminal, and the static contact point is arranged on the static terminal.

Drawings

FIG. 1 is a schematic structural diagram of the present invention.

FIG. 2 is a schematic view of the moving terminal of the present invention.

Fig. 3 is a schematic view of the mounting seat on the movable terminal of the present invention.

Fig. 4 is a schematic view of the stationary terminal of the present invention.

Fig. 5 is a schematic structural diagram of an embodiment of the present invention.

FIG. 6 is an exploded view of an embodiment of the present invention.

Fig. 7 is a schematic view of a stationary contact point according to an embodiment of the present invention.

Fig. 8 is a schematic view of a second embodiment of a stationary contact point according to the present invention.

In the figure: 1, a movable terminal; 2, a static terminal; 3, moving the terminal elastic sheet; 4, a housing; 11, a base; 12, a contact piece; 13, mounting a groove; 14, a groove; 15, a lower spacer; 16, an upper spacer; 17, a mounting seat; 18, a bimetal; 21, a stationary contact point; 22, copper strips; 31, moving contact points; 41, a housing; 42, an opening; 43, a cavity; 111, a stem portion; 112, a holding seat; 113, a gap; 151, a bump; 171, a base; 172, fixing the column; 221, a belt body; 222, fixing the base.

Detailed Description

In the description of the present invention, it should be noted that when an element is referred to as being "fixed" or "disposed" to another element, it can be directly on the other element or be indirectly on the other element. When an element is referred to as being "connected to" another element, it can be directly connected to the other element or be indirectly connected to the other element.

In the description of the present invention, it should be noted that the terms "center", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, or the orientations or positional relationships in which the products of the present invention are conventionally placed when used, and are merely used for convenience of describing and simplifying the description, but do not indicate or imply that the device or element to which the reference is made must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the present invention. Furthermore, the terms "first," "second," "third," and the like are used solely to distinguish one from another and are not to be construed as indicating or implying relative importance. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically defined otherwise. The meaning of "a number" is one or more unless specifically limited otherwise.

In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is further described in detail below with reference to the accompanying drawings and examples. It should be understood, however, that the description herein of specific embodiments is only intended to illustrate the utility model and not to limit the scope of the utility model. Moreover, in the following description, descriptions of well-known structures and techniques are omitted so as to not unnecessarily obscure the concepts of the present invention.

Referring to fig. 1 and 4, a temperature controller, including moving terminal 1 and the static terminal 2 that sets up and move terminal 1 and mutually support, it moves terminal shell fragment 3 to be provided with one on the moving terminal 1, it moves contact point 31 with static terminal 2 contact to move to be provided with on the end shell fragment 3, contact point 31 is connected with static terminal 2, be provided with static contact point 21 on the static terminal 2, static contact point 21 is silver contact, this kind moves contact point 31 and contacts with static contact point 21, not only reduced area of contact in the use, and silver contact has less resistivity, this kind of mode contact resistance is little, be favorable to having improved performance more, and static terminal 2 still is provided with copper strips 22, so also further reduced the resistance in the operation process.

Further, as shown in fig. 1, the movable contact 31 and the fixed terminal 2 are connected by welding, which is more secure and easy to install.

In any of the above embodiments, as shown in fig. 1 and fig. 2, furthermore, the moving terminal 1 includes a base 11 and a contact piece 12 disposed on the base 11, a mounting groove 13 is opened on the contact piece 12, a groove 14 (a hole may be used) is disposed on the mounting groove 13, a fixed terminal 2 is disposed in the mounting groove 13, a lower spacer 15 is disposed between the fixed terminal 2 and the mounting groove 13, a protrusion 151 is disposed on the lower spacer 15, the protrusion 151 is engaged in the groove 14, such that the lower spacer 15 can be quickly mounted in the mounting groove 13, and can also be fixed in the mounting groove 13, and the moving contact point 31 and the upper spacer 16 are contacted on the fixed terminal 2, which is more convenient to mount and manufacture. It is emphasized that the lower spacer 15 and the upper spacer 16 are made of ceramic plates, which is beneficial to improving the safety in operation. In the embodiment of the present invention, the base 11 and the contact piece 12 are integrally formed, so that the structure is more stable. As shown in fig. 2, the base 11 includes a rod portion 111 having a hollow structure, and a holding seat 112 for clamping the copper strip 22 on the stationary terminal 2 is disposed on the rod portion 111, the holding seat 112 may be annular, which is more favorable for fixing the copper strip 22 through the annular shape, and a notch 113 is disposed on the holding seat 112, so that the copper strip 22 can be conveniently put in and taken out through the notch 113. And a mounting seat 17 is arranged in the mounting groove 13, a bimetallic strip 18 is mounted on the mounting seat 17, a salient point is arranged on the lower surface of the movable end bullet piece 3 corresponding to the bimetallic strip 18, the bimetallic strip 18 is connected through the salient point, the bimetallic strip 18 is connected with a movable contact point 31 on the movable end bullet piece 3 through deformation, so that a connection state is realized, when the bimetallic strip 18 fails and cannot be deformed, the bimetallic strip 18 cannot be connected with the movable contact point 31 on the movable end bullet piece 3, and at the moment, the bimetallic strip is in a disconnection state. As shown in fig. 3, the mounting seat 17 includes a base 171 and a fixing column 172 on an upper end surface of the base 171, and the base 171 and the fixing column 172 are integrally formed, in the embodiment of the present invention, the base 171 is a circular truncated cone, and the fixing column 172 is a cylinder, and an upper end surface of the cylinder is a circular arc, which is more beneficial for mounting the bimetal 18. Further, as shown in fig. 4, the copper tape 22 includes a copper tape body 221 and a fixing seat 222 on the copper tape body 221, and the fixing seat 222 is used for being placed in the clasping seat 112, which is more favorable for fixing the copper tape 22 on the base 11 of the movable terminal 1. The arrangement of the utility model can use 40A high current, which is more favorable for meeting the technical requirement of high current and solves the problem that the current market can not meet the requirement of high current.

In any of the above embodiments, as shown in fig. 5 and 6, the housing 4 further includes an outer cover 41, and an opening 42 is formed on one side of the outer cover 41, and a cavity 43 capable of accommodating the movable terminal 1 and the stationary terminal 2 is formed inside the outer cover 41, such an arrangement is favorable for mounting the mounted movable terminal 1 and the stationary terminal 2 from the opening 42, so as to achieve a good protection effect, and the terminal 1 and the stationary terminal 2 can be taken out from the opening 42, thereby facilitating mounting and dismounting. In the embodiment of the present invention in which the housing 41 is square, this shape is only an example, and other shapes and forms may be adopted.

In any of the above embodiments, as shown in fig. 7, the contact point 31 is connected to the fixed terminal 2, the fixed terminal 2 is provided with the fixed contact point 21, the fixed contact point 21 is in a circular shape, the circular fixed contact point 21 is slightly higher than the horizontal plane of the fixed terminal 2, the circular fixed contact point 21 is welded on the horizontal plane of the fixed terminal 2, the movable contact point 31 is in contact with the fixed contact point 21, the contact resistance is small in the using process, the using performance is further improved, and the fixed terminal 2 is further provided with the copper strip 22, so that the resistance in the operating process is further reduced. As shown in fig. 8, wherein contact point 31 is connected with stationary terminal 2, be provided with stationary contact point 21 on stationary terminal 2, and the square form that stationary contact point 21 adopted, square stationary contact point 21 of form slightly exceeds the horizontal plane of stationary terminal 2, square stationary contact point 21 of form welds on the horizontal plane of stationary terminal 2, this kind moves contact point 31 and stationary contact point 21 and contacts, contact resistance is little in the use, be favorable to having improved performance more, and stationary terminal 2 still is provided with copper strips 22, the resistance in the operation process has also further been reduced like this. As shown in fig. 6, the contact point 31 is connected to the fixed terminal 2, the fixed terminal 2 is provided with the fixed contact point 21, the fixed contact point 21 and the fixed terminal 2 are integrated, the fixed contact point 21 is a silver contact point, the movable contact point 31 is in contact with the fixed contact point 21, the contact resistance is small in the using process, the using performance is further improved, and the fixed terminal 2 is further provided with the copper strip 22, so that the resistance in the operating process is further reduced. The static terminal 2 has various types, can be selected by people with a large choice, and can meet the use requirement.

The standard parts used in the present document are all available from the market, and the specific connection mode of each part adopts conventional means such as bolts, rivets, welding and the like mature in the prior art, and no specific description is given here.

It should be noted that, although the above embodiments have been described herein, the utility model is not limited thereto. Therefore, based on the innovative concepts of the present invention, the technical solutions of the present invention can be directly or indirectly applied to other related technical fields by making changes and modifications to the embodiments described herein, or by using equivalent structures or equivalent processes performed in the content of the present specification and the attached drawings, which are included in the scope of the present patent.

Claims

1. The utility model provides a temperature controller, including move terminal (1) and set up with move terminal (1) static terminal (2) of mutually supporting, its characterized in that: move and be provided with one on terminal (1) and move terminal shell fragment (3), move terminal shell fragment (3) on be provided with quiet terminal (2) contact move contact point (31), contact point (31) are connected with quiet terminal (2), be provided with quiet contact point (21) on quiet terminal (2), quiet contact point (21) are silver contact, this kind move contact point (31) with quiet contact point (21) contact, just quiet terminal (2) still are provided with copper strips (22).

2. A thermostat according to claim 1, wherein: the movable contact point (31) is connected with the static terminal (2) through welding.

3. A thermostat according to claim 1 or 2, characterized in that: move terminal (1) and be in including base (11) and setting contact piece (12) on base (11), it has a mounting groove (13) to open on contact piece (12), be provided with recess (14) on mounting groove (13), place in mounting groove (13) quiet terminal (2), just quiet terminal (2) with be provided with between mounting groove (13) under spacing block (15), be provided with lug (151) on spacing block (15) down, lug (151) block is in recess (14), the last contact of quiet terminal (2) has move contact point (31) and last spacing block (16).

4. A thermostat according to claim 3, wherein: the lower isolating sheet (15) and the upper isolating sheet (16) are both ceramic sheets.

5. A thermostat according to claim 3, wherein: the base (11) comprises a rod part (111) with a hollow structure and a holding seat (112) used for clamping the copper strip (22) on the static terminal (2) is arranged on the rod part (111), and a notch (113) is formed in the holding seat (112).

6. A thermostat according to claim 5, characterized in that: the copper strip (22) comprises a copper strip body (221) and a fixed seat (222) on the copper strip body (221), and the fixed seat (222) is placed in the clasping seat (112).

7. A thermostat according to claim 4 or 5, characterized in that: the mounting groove (13) is internally provided with a mounting seat (17), the mounting seat (17) is provided with a bimetallic strip (18), and the lower surface of the movable terminal elastic sheet (3) corresponding to the bimetallic strip (18) is provided with a salient point.

8. A thermostat according to claim 7, wherein: the mounting seat (17) comprises a base (171) and a fixing column (172) on the upper end face of the base (171), and the base (171) and the fixing column (172) are integrally formed.

9. A thermostat according to claim 8, wherein: the base (171) is a circular table column, the fixing column (172) is a cylinder, and the upper end face of the cylinder is arc-shaped.

10. A thermostat according to claim 1 or 2, characterized in that: the terminal is characterized by further comprising a shell (4), wherein the shell (4) comprises an outer cover (41) and an opening (42) is formed in one side of the outer cover (41), and a cavity (43) capable of containing the movable terminal (1) and the static terminal (2) is formed in the outer cover (41).