CN216084721U

CN216084721U - Temperature controller

Info

Publication number: CN216084721U
Application number: CN202122085202.9U
Authority: CN
Inventors: 庄士春
Original assignee: PACIFIC ELECTRONIC (KUNSHAN) CO Ltd
Current assignee: PACIFIC ELECTRONIC (KUNSHAN) CO Ltd
Priority date: 2021-08-31
Filing date: 2021-08-31
Publication date: 2022-03-18
Anticipated expiration: 2031-08-31

Abstract

The utility model discloses a temperature controller, which comprises a shell, a partition plate, a corrugated pipe, a lever, a C terminal, an H terminal, an L terminal, a signal elastic sheet, an elastic sheet and a spring, wherein a transverse straight arm of the lever is abutted against the corrugated pipe, one end of the spring is connected with the shell, the other end of the spring is connected with a vertical arm of the lever, the vertical arm of the lever is connected with one end of a push rod, the other end of the push rod penetrates through the partition plate to be connected with the elastic sheet, the opposite sides of the shell are respectively provided with a static contact and a signal static contact, the signal elastic sheet is provided with a signal movable contact matched with the signal static contact, the elastic sheet is provided with a movable contact matched with the static contact, the elastic sheet is provided with a U-shaped reed, the C terminal is connected with the signal static contact and the static contact and is connected with a power supply, the H terminal is connected with the signal movable contact and connected with an alarm, and the L terminal is connected with the movable contact and connected with a compressor. The utility model can give an alarm in real time, improve the maintenance efficiency, and has simple structure and low cost.

Description

Temperature controller

Technical Field

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

Background

The temperature controller is widely applied to refrigeration control of refrigerators, freezers and the like, the micro switch is switched on and off by sensing temperature rise and fall in the refrigerator body, so that the on-off of the refrigeration compressor is controlled to realize temperature control, a switch component of the pressure type temperature controller is usually connected with the refrigeration compressor in series to be connected into a mains supply circuit, and the refrigerators and freezers are enabled to obtain a preset temperature range by controlling the on-off of the compressor. When the temperature controller is bad, can not discern the refrigerator and refrigerate, the thing of refrigerator has rotten the talent and has known, needs a section easy dismounting and temperature controller that has alarming function urgently.

SUMMERY OF THE UTILITY MODEL

In order to solve the technical problem, the utility model provides a temperature controller.

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

a temperature controller comprises a shell, a clapboard, a corrugated pipe, a lever, a push rod, a signal spring plate, a spring, a C terminal, an H terminal and an L terminal, the horizontal straight arm of the lever presses against the corrugated pipe, one end of the spring is connected with the shell, the other end of the spring is connected with the vertical arm of the lever, the vertical arm of the lever is connected with one end of a push rod, the other end of the push rod penetrates through the clapboard to be connected with the elastic sheet, the opposite sides of the shell are respectively provided with a fixed contact and a signal fixed contact, the signal elastic sheet is provided with a signal movable contact matched with the signal fixed contact, the elastic piece is provided with a movable contact matched with the fixed contact, the elastic piece is provided with a U-shaped reed, the C terminal is connected with the signal fixed contact and the fixed contact and is connected with a power supply, the H terminal is connected with the signal movable contact and is connected with the alarm, and the L terminal is connected with the movable contact and is connected with the compressor.

Preferably, the elastic sheet, the signal elastic sheet and the push rod are in the same plane.

Preferably, the elastic sheet and the signal elastic sheet are integrally formed.

Preferably, the spring further comprises a connecting assembly, and one end of the spring is fixedly connected with the shell through the connecting assembly.

Preferably, the connecting assembly includes a screw extending into the housing and fixedly connected to one end of the spring by a fastening nut, and a fastening nut.

Preferably, the temperature sensing device further comprises a temperature sensing part, and the corrugated pipe is connected with the temperature sensing part arranged outside the shell.

Preferably, the temperature sensing member is a capillary tube.

Preferably, the housing is provided with a first adjusting screw adapted to the signal stationary contact, and the housing is provided with a second adjusting screw adapted to the moving contact.

Based on the technical scheme, the utility model has the beneficial effects that:

1) the utility model adopts mechanical temperature control, has simple structure, low cost, difficult damage, no need of signal control of a circuit board, easy maintenance and low maintenance cost;

2) the utility model is applied to scenes of double-temperature double-control direct cooling type refrigerators, refrigerated cabinets and the like, and can alarm in real time and improve the maintenance efficiency when the system fails.

Drawings

The following describes embodiments of the present invention in further detail with reference to the accompanying drawings.

Figure 1 is a schematic view of a thermostat according to an embodiment,

in the figures, the various reference numbers are:

1. a housing; 2. a partition plate; 3. a spring; 4. a lever; 5. a bellows; 6. a capillary tube; 7. a push rod; 8. a spring plate; 9. a U-shaped reed; 10. a signal spring plate; 11. a C terminal; 12. an H terminal; 13. an L terminal; 14. a stationary contact; 15. a movable contact; 16. a signal stationary contact; 17. a signal moving contact; 18. a screw; 19. fastening a nut; 20. a first adjusting screw; 21. and a second adjusting screw.

Detailed Description

In order to more clearly illustrate the utility model, the utility model is further described below in connection with preferred embodiments. It is to be understood by persons skilled in the art that the following detailed description is illustrative and not restrictive, and is not to be taken as limiting the scope of the utility model.

In the description of the present invention, it is to be understood that the terms "center", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be construed as limiting the present invention.

In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; 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.

Example one

As shown in fig. 1, this embodiment provides a temperature controller, which includes a housing 1, a partition 2, a bellows 5, a C terminal 11, an H terminal 12, an L terminal 13, a signal spring plate 10, a spring plate 8, a U-shaped spring plate 9, and a spring 3, wherein a horizontal straight arm of a lever 4 presses against the bellows 5, one end of the spring 3 is connected to the housing 1, the other end is connected to a vertical arm of the lever 4, the vertical arm of the lever 4 is connected to one end of a push rod 7, the other end of the push rod 7 penetrates through the partition 2 and is connected to the spring plate 8, the signal spring plate 10 is disposed on an action edge line of the push rod 7 and is fixedly connected to the housing 1, opposite sides of the housing 1 are respectively provided with a stationary contact 14 and a stationary signal contact 16, the signal spring plate 10 is provided with a signal movable contact 17 adapted to the stationary signal contact 16, the spring plate 8 is provided with a movable contact 15 adapted to the stationary contact 14, the elastic sheet 8 is provided with a U-shaped reed 9, the C terminal 11 is connected with the signal fixed contact 16 and the fixed contact 14 and is connected with a power supply, the H terminal 12 is connected with the signal movable contact 17 and is connected with an alarm, and the L terminal 13 is connected with the movable contact 15 and is connected with a compressor. The temperature of the freezing chamber is sensed through the capillary tube 6, when the temperature rises, the corrugated tube 5 expands, the push rod 7 pushes the elastic sheet 8 to act, when the temperature rises to the working temperature (-10 ℃) of preset compressor refrigeration, the U-shaped spring sheet 9 controlled by the elastic sheet 8 acts to enable the fixed contact 14 to be abutted with the movable contact 15, C-L is connected, the compressor works and refrigerates, when the temperature is normally lowered, but when the temperature controller breaks down and continues to rise to the working temperature (3 ℃) of preset alarm, the signal elastic sheet 10 is pushed by the push rod 7 to enable the signal fixed contact 16 to be abutted with the signal movable contact 17, C-H is connected, the alarm immediately gives an audible or visual alarm, and maintenance efficiency is improved.

In an embodiment of the thermostat, the elastic piece 8, the signal elastic piece 10 and the push rod 7 are in the same plane.

In an embodiment of the thermostat, the elastic piece 8 and the signal elastic piece 10 are integrally formed.

In a temperature controller of an embodiment, further comprising a connecting assembly, one end of the spring 3 is fixedly connected with the housing 1 through the connecting assembly.

In an embodiment of the thermostat, the connecting assembly includes a screw 18 and a fastening nut 19, the screw 18 extends into the housing 1 and is fixedly connected with one end of the spring 3 through the fastening nut 19, and the contact position of the lever 4 can be adjusted directly by adjusting the screw 18 outside the housing 1.

In an embodiment, the thermostat further includes a temperature sensing part, and the bellows 5 is connected to a capillary tube 6 disposed outside the housing 1.

In an embodiment of the temperature controller, a first adjusting screw 20 adapted to the signal stationary contact 16 is disposed on the housing 1, and is used for adjusting the position of the signal stationary contact 16 and presetting the working temperature of the alarm; and a second adjusting screw 21 matched with the movable contact 15 is arranged on the shell 1 and used for adjusting the position of the movable contact 15 and presetting the refrigerating working temperature of the compressor.

The above description is only a preferred embodiment of the temperature controller disclosed in the present invention, and is not intended to limit the scope of the embodiments of the present disclosure. Any modification, equivalent replacement, improvement and the like made within the spirit and principle of the embodiments of the present disclosure should be included in the protection scope of the embodiments of the present disclosure.

It should also be noted that the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other like elements in a process, method, article, or apparatus that comprises the element.

The embodiments in the present specification are all described in a progressive manner, and the same and similar parts among the embodiments can be referred to each other, and each embodiment focuses on the differences from the other embodiments. In particular, for the system embodiment, since it is substantially similar to the method embodiment, the description is simple, and for the relevant points, reference may be made to the partial description of the method embodiment.

Claims

1. A temperature controller is characterized by comprising a shell, a partition plate, a corrugated pipe, a lever, a push rod, a signal elastic sheet, an elastic sheet, a spring, a C terminal, an H terminal and an L terminal, wherein a transverse straight arm of the lever is abutted against the corrugated pipe, one end of the spring is connected with the shell, the other end of the spring is connected with a vertical arm of the lever, the vertical arm of the lever is connected with one end of the push rod, the other end of the push rod penetrates through the partition plate to be connected with the elastic sheet, the opposite sides of the shell are respectively provided with a fixed contact and a signal fixed contact, the signal elastic sheet is provided with a signal movable contact matched with the signal fixed contact, the elastic sheet is provided with a movable contact matched with the fixed contact, the elastic sheet is provided with a U-shaped reed, the C terminal is connected with the signal fixed contact and the fixed contact and is connected with a power supply, and the H terminal is connected with the signal movable contact and connected with an alarm, the L terminal is connected with the movable contact and is connected into the compressor.

2. The temperature controller of claim 1, wherein the spring, the signal spring and the push rod are in the same plane.

3. A temperature controller according to claim 1 or 2, wherein the spring plate and the signal spring plate are integrally formed.

4. The thermostat of claim 1, further comprising a connecting assembly, wherein one end of the spring is fixedly connected to the housing through the connecting assembly.

5. A thermostat according to claim 4, wherein the connection assembly comprises a screw and a fastening nut, the screw extending into the housing and being fixedly connected to one end of the spring by the fastening nut.

6. The thermostat of claim 1, further comprising a temperature sensing member, wherein the bellows is connected to the temperature sensing member disposed outside the housing.

7. A thermostat according to claim 6, wherein the temperature sensing member is a capillary tube.

8. The thermostat of claim 1, wherein the housing is provided with a first adjusting screw adapted to the signal stationary contact, and the housing is provided with a second adjusting screw adapted to the moving contact.