CN213401009U - High-end temperature controller - Google Patents

High-end temperature controller Download PDF

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Publication number
CN213401009U
CN213401009U CN202021746400.4U CN202021746400U CN213401009U CN 213401009 U CN213401009 U CN 213401009U CN 202021746400 U CN202021746400 U CN 202021746400U CN 213401009 U CN213401009 U CN 213401009U
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China
Prior art keywords
pressure
temperature sensing
sensing assembly
temperature
pressure difference
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CN202021746400.4U
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Chinese (zh)
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李玉麟
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Shanghai Fengshen Refrigeration Controls Co ltd
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Shanghai Fengshen Refrigeration Controls Co ltd
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Abstract

The utility model relates to the technical field of accessories of refrigeration systems, in particular to a high-end temperature controller, which has the advantages of multiple temperature sensing assemblies, multiple filling media, small temperature control error, high controller precision, durability and reliability, improved labor productivity and reduced cost; including the casing, low pressure lever board and cross recess semicircle head screw, the casing front end is provided with the opening, the opening part can be dismantled and be provided with the enclosing cover, the half region in the left side of casing bottom is provided with the temperature sensing assembly, be provided with the temperature sensing subassembly on the temperature sensing assembly, the inside left downside of casing is provided with the low pressure arm-tie, the inside upper right side of casing is provided with micro-gap switch, low pressure lever board top and micro-gap switch, the inside upper left side of casing is provided with pressure adjustment mechanism, the last scale tablet that is provided with of pressure adjustment mechanism, be provided with the pressure adjustment screw on the scale tablet.

Description

High-end temperature controller
Technical Field
The utility model relates to a technical field of refrigerating system auxiliary device especially relates to a high-end temperature controller.
Background
A high-end temperature controller (hereinafter, controller) is an electric switch controlled by temperature signals, and the temperature signals need to be converted and amplified for control. The temperature signal conversion of a high-end temperature controller is pressure type, so the high-end temperature controller is also called as a pressure type temperature controller. The temperature sensing assembly senses the temperature change of a controlled area and converts the temperature change into the pressure change of a filling medium in the temperature sensing assembly, and the microswitch is pushed to control the on-off of an electric loop, so that the aim of temperature control is fulfilled.
In a refrigeration air-conditioning system, the temperature of many operating points needs to be controlled in order to keep the temperature of an object to be cooled within a constant range. The controller is generally applied to various departments such as refrigeration air conditioners, industrial and agricultural production, scientific research and the like. For example, in an air-conditioning cooling system, a temperature controller is used to control the on and off of a water solenoid valve, and the cooling water amount of an air cooler is adjusted to stabilize the supply air temperature. In the heating system, a switch of the electric heater is engaged to change or maintain a heating temperature of air or the like.
The existing high-end temperature controller has the following defects: 1. the temperature sensing assembly has few styles; 2. the filling medium is less in variety; 3. the temperature control error is large; 4. the filling apparatus is in need of improvement.
SUMMERY OF THE UTILITY MODEL
In order to solve the technical problem, the utility model provides a temperature sensing assembly pattern is many, fills the filling medium kind many, and the temperature control error is little, and controller precision, durability and reliability are higher, improve productivity, reduce cost's high-end temperature controller.
The utility model discloses a high-end temperature controller, which comprises a housin, low pressure lever board and cross recess half round head screw, the inside inner chamber that is provided with of casing, the casing front end is provided with the opening, opening and inner chamber intercommunication, the opening part can be dismantled and be provided with the enclosing cover, the half regional temperature sensing assembly that is provided with in the left side of casing bottom, be provided with the temperature sensing subassembly on the temperature sensing assembly, the inside left side downside of casing is provided with the low pressure arm-tie, the inside upper right side of casing is provided with micro-gap switch, low pressure lever board top and micro-gap switch, low pressure lever board bottom is connected with the low pressure arm-tie through cross recess half round head screw, the inside upper left side of casing is provided with pressure adjustment mechanism, the last scale tablet that is.
The utility model discloses a high-end temperature controller, pressure adjustment mechanism still include pressure pointer subassembly, pressure differential adjusting screw, pressure regulating spring, pressure differential adjusting spring, pressure differential screw base, pressure differential driving plate and long lever round pin, and the pressure pointer subassembly passes through pressure differential adjusting screw, pressure regulating spring, pressure differential adjusting spring, pressure differential screw base and pressure differential driving plate and is connected with pressure regulating screw, and long lever round pin one end is connected with the pressure differential driving plate, is provided with split ring on the long lever round pin.
The utility model discloses a high-end temperature controller, temperature sensing subassembly include temperature sensing package, straight capillary, roll up flat capillary and protection cage.
The utility model discloses a high-end temperature controller, threading hole department is provided with the cup type packing ring.
The utility model discloses a high-end temperature controller is provided with the spring position circle on the pressure regulating spring.
Compared with the prior art, the beneficial effects of the utility model are that: adopt the temperature sensing assembly to experience the temperature, fill pressure that the inflation different degree of filling medium changes in the temperature sensing assembly, through lever principle, transmit for the lever board, transmit the micro-gap switch action again to play control and protection to equipment. When the temperature sensed by the temperature sensing assembly does not reach a set value, the medium in the temperature sensing assembly does not generate a thrust force larger than the spring force, the position, contacted with the microswitch, on the lever plate is always in a state of pressing a reed of the microswitch, the pressed limit switch is always switched on, and the control loop normally works. When the temperature sensed by the temperature sensing assembly reaches a set value, the medium in the temperature sensing assembly expands to generate a thrust force which is greater than the spring force, the lever plate immediately pushes the spring, the contact position of the lever plate and the micro switch correspondingly loosens a reed of the micro switch, the micro switch acts, and a control loop is disconnected, so that the compressor is protected; when the temperature falls back to be lower than the temperature set value, the force generated by the medium in the temperature sensing assembly is smaller than the spring force, the spring pushes the lever plate, the reed of the microswitch is gradually pressed at the position, closest to the microswitch, on the lever plate, and when the temperature falls back to the temperature difference temperature, the microswitch acts to switch on the control loop, so that the reset control effect is achieved on the compressor.
Drawings
Fig. 1 is a schematic structural diagram of the present invention;
FIG. 2 is a schematic left side sectional view of the present invention;
FIG. 3 is a schematic left side view of the structure of the present invention;
FIG. 4 is a type of temperature sensing assembly;
in the drawings, the reference numbers: 1. a housing; 2. a low voltage lever plate; 3. a cross recessed half-round head screw; 4. An outer cover; 5. a temperature sensing assembly; 6. a low-pressure pulling plate; 7. a microswitch; 8. a scale plate; 9. a pressure adjusting screw; 10. a pressure pointer assembly; 11. a differential pressure adjusting screw; 12. a pressure regulating spring; 13. a differential pressure regulating spring; 14. a differential pressure screw base; 15. a differential pressure transmission plate; 16. A long lever pin; 17. a temperature sensing bulb; 18. straightening a capillary tube; 19. flattening the capillary tube; 20. a protective cage; 21. a cup-shaped gasket.
Detailed Description
The following detailed description of the embodiments of the present invention is provided with reference to the accompanying drawings and examples. The following examples are intended to illustrate the invention, but are not intended to limit the scope of the invention.
As shown in fig. 1 to 4, the high-end temperature controller of the present invention comprises a housing 1, the temperature sensing device comprises a low-voltage lever plate 2 and a cross-slot half-round head screw 3, an inner cavity is arranged in a shell 1, an opening is formed in the front end of the shell 1 and communicated with the inner cavity, an outer cover 4 is detachably arranged at the opening, a temperature sensing assembly 5 is arranged in the left half area of the bottom end of the shell 1, a temperature sensing assembly is arranged on the temperature sensing assembly 5, a low-voltage pulling plate 6 is arranged on the left lower side of the inner part of the shell 1, a micro switch 7 is arranged on the upper right side of the inner part of the shell 1, the top end of the low-voltage lever plate 2 is connected with the micro switch 7, the bottom end of the low-voltage lever plate 2 is connected with the low-voltage pulling plate 6 through the cross-slot half-round head screw 3, a pressure adjusting; adopt the temperature sensing assembly to experience the temperature, fill pressure that the inflation different degree of filling medium changes in the temperature sensing assembly, through lever principle, transmit for the lever board, transmit the micro-gap switch action again to play control and protection to equipment. When the temperature sensed by the temperature sensing assembly does not reach a set value, the medium in the temperature sensing assembly does not generate a thrust force larger than the spring force, the position, contacted with the microswitch, on the lever plate is always in a state of pressing a reed of the microswitch, the pressed limit switch is always switched on, and the control loop normally works. When the temperature sensed by the temperature sensing assembly reaches a set value, the medium in the temperature sensing assembly expands to generate a thrust force which is greater than the spring force, the lever plate immediately pushes the spring, the contact position of the lever plate and the micro switch correspondingly loosens a reed of the micro switch, the micro switch acts, and a control loop is disconnected, so that the compressor is protected; when the temperature falls back to be lower than the temperature set value, the force generated by the medium in the temperature sensing assembly is smaller than the spring force, the spring pushes the lever plate, the reed of the microswitch is gradually pressed at the position, closest to the microswitch, on the lever plate, and when the temperature falls back to the temperature difference temperature, the microswitch acts to switch on the control loop, so that the reset control effect is achieved on the compressor.
The utility model discloses a high-end temperature controller, pressure adjustment mechanism still includes pressure pointer subassembly 10, pressure differential adjusting screw 11, pressure adjusting spring 12, pressure differential adjusting spring 13, pressure differential screw base 14, pressure differential driving plate 15 and long lever pin 16, pressure pointer subassembly 10 is through pressure differential adjusting screw 11, pressure adjusting spring 12, pressure differential adjusting spring 13, pressure differential screw base 14 and pressure differential driving plate 15 are connected with pressure adjusting screw 9, 16 one end of long lever pin is connected with pressure differential driving plate 15, be provided with the split washer on the long lever pin 16.
The utility model discloses a high-end temperature controller, temperature sensing subassembly include temperature sensing bulb 17, straight capillary 18, roll up flat capillary 19 and protection cage 20.
The utility model discloses a high-end temperature controller, the pinhole department is provided with cup type packing ring 21.
The utility model discloses a high-end temperature controller is provided with the spring position circle on the pressure regulating spring 12.
The utility model discloses a high-end temperature controller, it adopts the temperature sensing assembly to experience the temperature at the during operation, fills the pressure that the inflation different degree of filling medium changes in the temperature sensing assembly, through lever principle, transmits for the lever plate, transmits the micro-gap switch action again to play control and protection to equipment. When the temperature sensed by the temperature sensing assembly does not reach a set value, the medium in the temperature sensing assembly does not generate a thrust force larger than the spring force, the position, contacted with the microswitch, on the lever plate is always in a state of pressing a reed of the microswitch, the pressed limit switch is always switched on, and the control loop normally works. When the temperature sensed by the temperature sensing assembly reaches a set value, the medium in the temperature sensing assembly expands to generate a thrust force which is greater than the spring force, the lever plate immediately pushes the spring, the contact position of the lever plate and the micro switch correspondingly loosens a reed of the micro switch, the micro switch acts, and a control loop is disconnected, so that the compressor is protected; when the temperature falls back to be lower than the temperature set value, the force generated by the medium in the temperature sensing assembly is smaller than the spring force, the spring pushes the lever plate, the reed of the microswitch is gradually pressed at the position, closest to the microswitch, on the lever plate, and when the temperature falls back to the temperature difference temperature, the microswitch acts to switch on the control loop, so that the reset control effect is achieved on the compressor. .
The utility model discloses a high-end temperature controller, above the mounting means, the connected mode or the mode that sets up of all parts are common mechanical system to the concrete structure, model and the coefficient index of all its parts are its from taking the technique, as long as can reach all can implementing of its beneficial effect, so do not add at many and give unnecessary details.
In the high-end temperature controller of the present invention, unless otherwise stated, the terms "up, down, left, right, front, back, inner, and vertical, horizontal" and the like are included in the term, and the terms only represent the orientation of the term in the normal use state, or be a trivial term understood by those skilled in the art, and should not be considered as limiting the term, at the same time, the numerical terms "first," "second," and "third," etc. do not denote any particular quantity or order, but rather are used to distinguish one from another, furthermore, 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 also includes other elements not expressly listed or inherent to such process, method, article, or apparatus.
The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of modifications and variations can be made without departing from the technical principle of the present invention, and these modifications and variations should also be regarded as the protection scope of the present invention.

Claims (5)

1. A high-end temperature controller is characterized by comprising a shell (1), a low-voltage lever plate (2) and a cross-slot half-round head screw (3), wherein an inner cavity is arranged in the shell (1), an opening is formed in the front end of the shell (1) and communicated with the inner cavity, an outer cover (4) is detachably arranged at the opening, a temperature sensing assembly (5) is arranged in the left half area of the bottom end of the shell (1), a temperature sensing assembly is arranged on the temperature sensing assembly (5), a low-voltage pull plate (6) is arranged on the left lower side in the shell (1), a micro switch (7) is arranged on the right upper side in the shell (1), the top end of the low-voltage lever plate (2) is connected with the micro switch (7), the bottom end of the low-voltage lever plate (2) is connected with the low-voltage pull plate (6) through the cross-slot half-round head screw (3), a pressure adjusting, a pressure adjusting screw (9) is arranged on the scale plate (8), and a threading hole is arranged in the central area of the bottom end of the shell (1).
2. The high-end temperature controller of claim 1, wherein the pressure adjusting mechanism further comprises a pressure pointer assembly (10), a pressure difference adjusting screw (11), a pressure adjusting spring (12), a pressure difference adjusting spring (13), a pressure difference screw base (14), a pressure difference transmission plate (15) and a long lever pin (16), the pressure pointer assembly (10) is connected with the pressure adjusting screw (9) through the pressure difference adjusting screw (11), the pressure adjusting spring (12), the pressure difference adjusting spring (13), the pressure difference screw base (14) and the pressure difference transmission plate (15), one end of the long lever pin (16) is connected with the pressure difference transmission plate (15), and the long lever pin (16) is provided with a split washer.
3. The high-end temperature controller of claim 2, wherein the temperature sensing assembly comprises a bulb (17), a flat capillary tube (18), a rolled capillary tube (19), and a protective cage (20).
4. The high-end temperature controller of claim 3, wherein a cup-shaped washer (21) is provided at the threaded aperture.
5. The high-end temperature controller of claim 4, wherein the pressure regulating spring (12) is provided with a spring collar.
CN202021746400.4U 2020-08-20 2020-08-20 High-end temperature controller Active CN213401009U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202021746400.4U CN213401009U (en) 2020-08-20 2020-08-20 High-end temperature controller

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202021746400.4U CN213401009U (en) 2020-08-20 2020-08-20 High-end temperature controller

Publications (1)

Publication Number Publication Date
CN213401009U true CN213401009U (en) 2021-06-08

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN202021746400.4U Active CN213401009U (en) 2020-08-20 2020-08-20 High-end temperature controller

Country Status (1)

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CN (1) CN213401009U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN115547742A (en) * 2022-11-04 2022-12-30 浙江力夫自控技术股份有限公司 Temperature switch

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN115547742A (en) * 2022-11-04 2022-12-30 浙江力夫自控技术股份有限公司 Temperature switch
CN115547742B (en) * 2022-11-04 2023-09-22 浙江力夫自控技术股份有限公司 Temperature switch

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