CN217086471U

CN217086471U - Multi-path compensation type temperature controller with electric heating wire

Info

Publication number: CN217086471U
Application number: CN202220751427.5U
Authority: CN
Inventors: 熊先明
Original assignee: Foshan Mingcheng Temperature Controller Co ltd
Current assignee: Foshan Mingcheng Temperature Controller Co ltd
Priority date: 2022-04-02
Filing date: 2022-04-02
Publication date: 2022-07-29
Anticipated expiration: 2032-04-02

Abstract

The utility model discloses a self-carrying heating wire multipath compensation type temperature controller belonging to the technical field of temperature controllers, which comprises a temperature controller main body, wherein the temperature controller main body comprises a ceramic column, a spring piece wiring terminal, a spring piece, a movable contact piece, a static contact piece wiring terminal, a static contact piece and a bimetallic strip, and the free end of the bimetallic strip is provided with a ceramic pin; the ceramic column is far away from shell fragment binding post one side and still the clearance cup joints a plurality of binding post that generate heat, and the binding post that generates heat pushes up and is equipped with the piece that generates heat, all welds on piece and the stationary contact piece that generates heat and has the heater. The utility model discloses the structure to current bimetal mechanical type temperature controller that has two thermal compensation structures improves into multichannel compensation structure with two thermal compensation structures of tradition to satisfy on same temperature controller product, come the temperature difference that the difference of management and control complete machine power current size brought through connecting multiunit heater temperature compensation mode, work with the stack mode of different combinations through the multiunit heater, realize accurate temperature control.

Description

Multi-path compensation type temperature controller with electric heating wire

Technical Field

The utility model relates to a temperature controller technical field, more specifically say, relate to from taking heating wire multichannel compensation formula temperature controller.

Background

The design has the complete machine temperature of the bimetal mechanical temperature controller of two group heating wire compensation structure come the accurate control one product during operation among the prior art, like the chinese utility model patent of publication number CN213025940U, nevertheless when the product has more than two kinds of different heating element, has different electric current during operation, can not control the temperature of multiple heating element, consequently this kind of two thermal compensation temperature controller adaptability is still not enough, in view of this, we provide from taking heating wire multichannel compensation temperature controller.

SUMMERY OF THE UTILITY MODEL

1. Technical problem to be solved

An object of the utility model is to provide a from taking heating wire multichannel compensation formula temperature controller to solve the problem that provides among the above-mentioned background art.

2. Technical scheme

The temperature controller comprises a temperature controller main body, wherein the temperature controller main body comprises a ceramic column, an elastic sheet wiring terminal, an elastic sheet, a movable contact sheet, a static contact sheet wiring terminal, a static contact sheet and a bimetallic sheet, the elastic sheet wiring terminal, the static contact sheet wiring terminal and the bimetallic sheet are sleeved on the ceramic column in a clearance mode, the fixed end of the elastic sheet is pressed on the ceramic column through the elastic sheet wiring terminal, the fixed end of the movable contact sheet is fixedly connected with the free end of the elastic sheet, the static contact sheet is arranged on one side, away from the elastic sheet, of the movable contact sheet, the fixed end of the static contact sheet is pressed on the ceramic column through the static contact sheet wiring terminal, the free end of the bimetallic sheet is provided with a ceramic pin, and the free end of the ceramic pin is arranged on the movable contact sheet in a penetrating mode;

the ceramic column is far away from shell fragment binding post one side and still the clearance cup joints a plurality of binding post that generate heat, binding post that generate heat pushes up and is equipped with the piece that generates heat, all weld the heater on piece and the stationary contact that generate heat.

Preferably, the number of the heating sheets is 2.

Preferably, the ceramic pin comprises a pin sleeve, a push rod and a spring, the pin sleeve is in threaded connection with the free end of the bimetallic strip through threads on the surface of the pin sleeve, one end of the push rod is limited inside the pin sleeve through a limiting bulge, the other end of the push rod penetrates through the pin sleeve to be in contact with a through hole in the movable contact strip, and the spring is extruded and compressed in the pin sleeve by the end part of the push rod.

Preferably, the elastic sheet, the movable contact sheet, the static contact sheet and the bimetallic strip sequentially form an on-off circuit of the single heating sheet thermal compensation between the elastic sheet wiring terminal and the static contact sheet wiring terminal.

Preferably, the elastic sheet, the movable contact sheet, the static contact sheet, the bimetallic strip and the plurality of heating sheets which are sequentially overlapped and connected in series form an on-off circuit of the thermal compensation of the plurality of heating sheets on the ceramic column.

3. Advantageous effects

Compared with the prior art, the utility model has the advantages of:

1. the utility model discloses the structure to current bimetal mechanical type temperature controller that has two thermal compensation structures improves into multichannel compensation structure with two thermal compensation structures of tradition to satisfy on same temperature controller product, come the temperature difference that the difference of management and control complete machine power current size brought through connecting multiunit heater temperature compensation mode, work with the stack mode of different combinations through the multiunit heater, realize accurate temperature control.

2. The utility model discloses still improve the ceramic member that traditional is used for separating bimetallic strip and shell fragment, will have the screwed pin bush to install on bimetallic strip, not only simple installation, connect stably moreover, avoid the risk that traditional clip formula installation easily dropped, reduce the deformation of movable contact spring and bimetallic strip through the spring that sets up simultaneously, improve the durability of structure.

Drawings

Fig. 1 is a schematic top view of the overall structure of the present invention;

FIG. 2 is a schematic view of the ceramic column and the upper connection structure thereof;

FIG. 3 is a schematic sectional view of the detailed structure of the present invention;

the reference numbers in the figures illustrate: 1. a temperature controller main body; 2. a ceramic post; 3. a spring plate wiring terminal; 4. a spring plate; 5. a movable contact spring; 6. a static contact terminal; 7. a static contact piece; 8. a bimetal; 9. a ceramic pin; 10. a heating wiring terminal; 11. a heat generating sheet; 12. a heater;

901. a pin bush; 902. a top rod; 903. a spring.

Detailed Description

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and to simplify the description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention.

In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted", "provided", "sleeved/connected", "connected", and the like are to be understood in a broad sense, such as "connected", which may 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 meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Referring to fig. 1-3, the present invention provides a technical solution:

the temperature controller comprises a temperature controller main body 1, wherein the temperature controller main body 1 comprises a ceramic column 2, an elastic sheet wiring terminal 3, an elastic sheet 4, a movable contact sheet 5, a static contact sheet wiring terminal 6, a static contact sheet 7 and a bimetallic sheet 8, the elastic sheet wiring terminal 3, the static contact sheet wiring terminal 6 and the bimetallic sheet 8 are sleeved on the ceramic column 2 in a clearance manner, the fixed end of the elastic sheet 4 is pressed on the ceramic column 2 through the elastic sheet wiring terminal 3, the fixed end of the movable contact sheet 5 is fixedly connected with the free end of the elastic sheet 4, the static contact sheet 7 is arranged on one side, far away from the elastic sheet 4, of the movable contact sheet 5, the fixed end of the static contact sheet 7 is pressed on the ceramic column 2 through the static contact sheet wiring terminal 6, the free end of the bimetallic sheet 8 is provided with a ceramic pin 9, and the free end of the ceramic pin 9 is arranged on the movable contact sheet 5;

the ceramic column 2 is far away from the elastic sheet connecting terminal 3 and is also sleeved with a plurality of heating connecting terminals 10 in a clearance mode, the heating connecting terminals 10 are pressed upwards to be provided with heating sheets 11, and the heating sheets 11 and the static contact sheet 7 are all welded with heating wires 12. The utility model discloses the structure to current bimetal mechanical type temperature controller that has two thermal compensation structures improves into multichannel compensation structure with two thermal compensation structures of tradition to satisfy on same temperature controller product, come the temperature difference that the difference of management and control complete machine power current size brought through connecting multiunit heater temperature compensation mode, work with the stack mode of different combinations through the multiunit heater, realize accurate temperature control.

Specifically, the number of the heat generating sheets 11 is 2. The utility model discloses well binding post 10 that generates heat corresponds with the quantity of the piece 11 that generates heat, and the utility model discloses well quantity of the piece 11 that generates heat specifically sets up according to the actual design demand of product, and quantity is greater than 2, promptly the utility model discloses a double heat compensation structure of the relative tradition of thermal compensation structure of bimetal mechanical type temperature controller of multichannel compensation formula will have more compensation forms.

Further, the ceramic pin 9 comprises a pin sleeve 901, a top rod 902 and a spring 903, the pin sleeve 901 is in threaded connection with the free end of the bimetallic strip 8 through threads on the surface of the pin sleeve 901, one end of the top rod 902 is limited inside the pin sleeve 901 through a limiting protrusion, the other end of the top rod 902 penetrates through the pin sleeve 901 to be in contact with a through hole on the movable contact 5, and the spring 903 is compressed in the pin sleeve 901 by the end of the top rod 902. The utility model discloses still improve the ceramic member that traditional is used for separating bimetallic strip 8 and shell fragment 4, install threaded pin bush 901 on bimetallic strip 8, not only simple installation, connect stably moreover, avoid the risk that traditional clip formula installation easily dropped, reduce the deformation of movable contact spring 5 and bimetallic strip 8 through the spring 903 that sets up simultaneously, improve the durability of structure.

It is worth to be noted that the elastic sheet 4, the movable contact sheet 5, the static contact sheet 7 and the bimetallic strip 8 sequentially form a single heating sheet thermal compensation on-off circuit between the elastic sheet wiring terminal 3 and the static contact sheet wiring terminal 6.

It is worth noting that the spring plate 4, the movable contact plate 5, the static contact plate 7, the bimetallic strip 8 and the plurality of heating strips 11 which are sequentially overlapped and connected in series form an on-off circuit of the multi-heating strip thermal compensation on the ceramic column 2.

The elastic sheet 4, the movable contact sheet 5, the static contact sheet 7 and the bimetallic strip 8 in the utility model sequentially form an on-off circuit of single heating sheet thermal compensation between the elastic sheet connecting terminal 3 and the static contact sheet connecting terminal 6; and shell fragment 4, movable contact spring 5, static contact spring 7, bimetallic strip 8 and a plurality of piece 11 that generates heat that superposes in proper order and concatenate constitute the on-off circuit of the many piece thermal compensation that generates heat on the ceramic post 2, when one piece 11 and shell fragment 4 that generates heat, movable contact spring 5, static contact spring 7 and bimetallic strip 8 concatenate, this compensation structure is the dual compensation heating structure this moment, when two piece 11 series connection that generate heat and with shell fragment 4, movable contact spring 5, static contact spring 7 and bimetallic strip 8 concatenate, this compensation structure is three compensation heating structure this moment, analogize with this, do the utility model discloses a multiple compensation heating structure. The bimetallic strip 8 receives the temperature rise of an external heat source through the ceramic column 2, meanwhile, the heat generated by the static contact piece 7 and the plurality of heating pieces 11 directly heats and compensates the bimetallic strip 8, the bimetallic strip 8 deforms when reaching a critical temperature value, the ceramic pin 9 and the free end of the movable contact piece 5 are pushed, so that the contact electric connection state between the movable contact piece 5 and the static contact piece 7 is cut off, and at the moment, the circuits of a main circuit in the temperature controller and the external heating source are cut off; then the temperature of the bimetallic strip 8 is reduced along with an external heating source, the bimetallic strip 8 is deformed again and is restored to be in an initial state, and the movable contact piece 5 is in a contact communication state with the static contact piece 7.

The foregoing shows and describes the general principles, essential features, and advantages of the invention. It should be understood by those skilled in the art that the present invention is not limited by the above embodiments, and the description in the above embodiments and the description is only preferred examples of the present invention, and is not intended to limit the present invention, and that the present invention can have various changes and modifications without departing from the spirit and scope of the present invention, and these changes and modifications all fall into the scope of the claimed invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. The temperature controller with the heating wire multipath compensation comprises a temperature controller main body (1), wherein the temperature controller main body (1) comprises a ceramic column (2), an elastic sheet wiring terminal (3), an elastic sheet (4), a movable contact sheet (5), a static contact sheet wiring terminal (6), a static contact sheet (7) and a bimetallic strip (8), the elastic piece wiring terminal (3), the static contact piece wiring terminal (6) and the bimetallic strip (8) are sleeved on the ceramic column (2) in a clearance way, the fixed end of the elastic sheet (4) is pressed on the ceramic column (2) through the elastic sheet wiring terminal (3), the fixed end of the movable contact spring (5) is connected and fixed with the free end of the spring sheet (4), a static contact piece (7) is arranged on one side of the movable contact piece (5) far away from the elastic piece (4), static contact (7) stiff end is located on ceramic post (2) through static contact binding post (6) pressure, its characterized in that: the free end of the bimetallic strip (8) is provided with a ceramic pin (9), and the free end of the ceramic pin (9) is arranged on the movable contact strip (5) in a penetrating way;

the ceramic column (2) is far away from one side of the elastic sheet wiring terminal (3) and is also sleeved with a plurality of heating wiring terminals (10) in a clearance mode, the heating wiring terminals (10) are pressed upwards to be provided with heating sheets (11), and the heating sheets (11) and the static contact sheet (7) are all welded with heating wires (12).

2. The multi-way compensation type temperature controller with heating wire of claim 1, wherein: the number of the heating sheets (11) is 2.

3. The multi-way compensation type temperature controller with heating wire of claim 1, wherein: the ceramic pin (9) comprises a pin sleeve (901), a push rod (902) and a spring (903), the pin sleeve (901) is in threaded connection with the free end of the bimetallic strip (8) through threads on the surface of the pin sleeve, one end of the push rod (902) is limited in the pin sleeve (901) through a limiting protrusion, the other end of the push rod (902) penetrates out of the pin sleeve (901) to be in contact with a through hole in the movable contact piece (5), and the spring (903) is squeezed and compressed in the pin sleeve (901) by the end part of the push rod (902).

4. The multi-way compensation type temperature controller with heating wire of claim 1, wherein: the elastic sheet (4), the movable contact sheet (5), the static contact sheet (7) and the bimetallic strip (8) sequentially form an on-off circuit of single heating sheet thermal compensation between the elastic sheet wiring terminal (3) and the static contact sheet wiring terminal (6).

5. The multi-way compensation type temperature controller with heating wire of claim 1, wherein: the elastic sheet (4), the movable contact sheet (5), the static contact sheet (7), the bimetallic strip (8) and the heating sheets (11) which are sequentially overlapped and connected in series form an on-off circuit of the multi-heating-sheet thermal compensation on the ceramic column (2).