CN220102228U

CN220102228U - Thermostat with automatic adjustment and manual adjustment

Info

Publication number: CN220102228U
Application number: CN202321006068.1U
Authority: CN
Inventors: 刘杰; 罗志安
Original assignee: Guangdong Bangze Chuangke Electric Appliance Co Ltd
Current assignee: Guangdong Bangze Chuangke Electric Appliance Co Ltd
Priority date: 2023-04-28
Filing date: 2023-04-28
Publication date: 2023-11-28
Anticipated expiration: 2033-04-28

Abstract

The utility model discloses a thermostat with automatic adjustment and manual adjustment, which comprises a shell, a motor, a transmission mechanism, an actuating mechanism and a control circuit, wherein the motor, the transmission mechanism, the actuating mechanism and the control circuit are arranged in the shell, the control circuit is electrically connected with the motor, the motor is in transmission connection with the transmission mechanism, the transmission mechanism is in transmission connection with the actuating mechanism, the control circuit is used for controlling the stroke driving time t of the motor, the upper part of the shell is provided with a connecting part for fixedly connecting a control valve, the lower part of the shell is provided with a manual adjustment mechanism, the manual adjustment mechanism comprises a knob and a conversion element for converting the mechanical stroke of the knob into the stroke driving time t, the conversion element is electrically connected with the control circuit, the conversion element is fixedly arranged at the lower part of the shell, the conversion element is provided with an input shaft, and the knob is fixedly arranged on the input shaft. The temperature can be adjusted fast, the use and learning cost is low, the operation is convenient, and the use is convenient.

Description

Thermostat with automatic adjustment and manual adjustment

Technical Field

The utility model relates to the technical field of thermostats, in particular to a thermostat with automatic adjustment and manual adjustment.

Background

The heating system regulates the indoor temperature by controlling the water quantity of hot water entering the radiating fins through the flow valve, thereby achieving the aim of regulating the temperature. The flow valve for heating adopts a thimble type flow valve, and the flow valve is opened and closed by the telescopic movement of a valve rod so as to control the flow.

The thermostat in the prior art automatically controls the driving mechanism to push the valve rod to do telescopic movement through a program, thereby automatically adjusting the temperature; however, the program control often has inaccurate temperature control, and when a user manually adjusts according to the self body temperature, the user needs to press a button once and observe a screen to set, so that the operation is complex, and the adjustment efficiency is low; especially for children and the elderly, the use and study costs are high, the independent adjustment is difficult, and the use is inconvenient, so that the improvement is needed.

Disclosure of Invention

Aiming at the defects of the prior art, the utility model aims to provide the thermostat with automatic adjustment and manual adjustment, which can be used for quickly adjusting, and has low use learning cost, convenient operation and convenient use.

In order to achieve the above purpose, the technical scheme adopted by the utility model is as follows: the thermostat with automatic regulation and manual regulation includes one casing, one motor inside the casing, one transmission mechanism, one executing mechanism and one control circuit, the control circuit is electrically connected to the motor, the motor is connected to the transmission mechanism, the transmission mechanism is connected to the executing mechanism, the control circuit is set to control the stroke driving time t of the motor, the casing has one connecting part for fixing the control valve, the casing has one manual regulating mechanism in the lower part, one temperature sensor connected to the control circuit,

the manual adjusting mechanism comprises a knob and a conversion element used for converting the mechanical stroke of the knob into the stroke driving time t, the conversion element is electrically connected with the control circuit and fixedly arranged at the lower part of the shell, the conversion element is provided with an input shaft, and the knob is fixedly arranged on the input shaft.

In a further technical scheme, the manual adjusting mechanism is also provided with a mounting seat which is fixedly arranged at the lower part of the shell, the middle part of the mounting seat is provided with a mounting opening, the outer edge of the mounting opening is provided with a buckle connecting part, the conversion element is clamped at the buckle connecting part,

the lower part of mount pad is provided with annular slip connecting portion, and the inside connection slider that extends of lower part of slip connecting portion, annular spout has been seted up along the circumferencial direction in the outside of the upper portion of knob, connection slider and annular spout sliding fit.

In a further technical scheme, one side of the sliding connection part is provided with an installation opening for installing a knob.

In further technical scheme, the mount pad is provided with spacing track towards one side of knob, spacing track includes a plurality of spacing ribs that set up along the circumferencial direction interval, the inside of knob is provided with the thimble erection column, the thimble erection column is provided with the thimble groove that the opening is upwards, the inside in thimble groove is provided with thimble and elasticity piece that resets, slidable mounting in the thimble groove about the thimble, the lower part of elasticity piece that resets's upper end supports the top thimble, the lower extreme of elasticity piece that resets supports the bottom of thimble groove, the thimble is located between two adjacent spacing ribs, thimble and two adjacent spacing ribs support the cooperation.

In a further technical scheme, one side of the limit rail is provided with a limit stop, and the limit stop is in limit fit with the thimble installation column.

In a further technical scheme, the conversion element is a potentiometer or an encoder.

In a further technical scheme, the actuating mechanism comprises a sliding cylinder, a rotating column, a threaded cylinder and a push rod for propping against a valve rod of the control valve, wherein the sliding cylinder is fixedly arranged in the shell, the push rod is integrally formed or fixedly arranged on the rotating column, the rotating column is vertically and slidably arranged on the sliding cylinder, the threaded cylinder is in threaded connection with the rotating column,

the upper part of the rotary column is provided with a limit part, the lower part of the rotary column is provided with a transmission part, the side wall of the transmission part is provided with external threads, the inner wall of the threaded cylinder is provided with internal threads, the transmission part is in threaded connection with the threaded cylinder, the upper part of the limit part is provided with a rod inserting opening with an upward opening, the push rod is inserted into the rod inserting hole, the upper part of the push rod extends out of the upper surface of the rotary column, the outer wall of the limit part is provided with a limit block, the inner wall of the sliding cylinder is vertically provided with a limit groove corresponding to the limit block, and the limit block is in limit fit with the limit groove;

the transmission mechanism comprises a plurality of reduction gears, the reduction gears are meshed with each other, the lower part of the threaded cylinder is provided with a transmission gear, the output end of the motor is provided with a driving gear, the transmission gear is meshed with the reduction gear at the tail end, and the driving gear is meshed with the reduction gear at the front end.

In further technical scheme, the thermostat still is provided with power supply unit, and power supply unit includes a plurality of power supply batteries and is used for holding power supply battery's battery compartment, power supply battery and control circuit electric connection, and the rear portion of casing is provided with the mounting groove position, and the battery compartment sets up in the mounting groove position, and mounting groove position movable mounting has the battery apron to realize changing the power supply battery in the battery compartment through dismantling the battery apron.

In a further technical scheme, the control circuit is further provided with a display screen, the display screen exposes the shell, and the display screen is electrically connected with the control circuit.

In a further technical scheme, the control circuit is further provided with a plurality of control keys, and each control key is electrically connected with the control circuit respectively.

By adopting the structure, compared with the prior art, the utility model has the following advantages: the mechanical stroke is directly converted into the stroke driving time t of the motor through the conversion element, and the rotation time of the motor is directly controlled, so that the moving distance of the push rod is controlled, stepless or polar temperature regulation is realized, and the temperature regulation precision is higher; need not to press the button one by one and carry out temperature regulation, temperature regulation speed is faster, uses study with low costs, and old man child all can convenient operation, and control program also can carry out automatically regulated according to preset time quantum or indoor temperature simultaneously, automatic and manual common regulation temperature, abundant regulation mode, simple operation, convenient to use.

Drawings

The utility model will be further described with reference to the drawings and examples.

FIG. 1 is a schematic diagram of the structure of the present utility model;

FIG. 2 is an exploded view of the present utility model;

FIG. 3 is an exploded view of the manual adjustment mechanism of the present utility model;

fig. 4 is a cross-sectional view of the manual adjustment mechanism of the present utility model.

In the figure:

1 a control valve and a valve rod 11;

2 a shell, a 21 connecting part, a 23 motor and a 24 control circuit;

31 knob, 32 annular chute, 33 thimble groove, 34 thimble, 35 elastic reset piece, 36 thimble mounting column;

4 a conversion element, 41 an input shaft;

5 mounting seats, 51 mounting ports, 52 buckle connecting parts, 53 sliding connecting parts, 531 connecting sliding blocks, 54 mounting openings, 55 limiting rails, 56 limiting ribs and 57 limiting stops;

6 a transmission mechanism;

7 an executing mechanism, 77 a push rod;

81 display screen, 82 control button, 83 battery compartment, 84 power supply battery, 85 battery apron.

Detailed Description

The following are only preferred embodiments of the present utility model, and are not intended to limit the scope of the present utility model.

It should be understood that the terms "front," "back," "left," "right," "upper," "lower," and the like indicate an orientation or a positional relationship based on that shown in fig. 2, and are merely for convenience of description and simplicity of description, and do not indicate or imply that the apparatus or elements being referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the scope of the utility model.

As shown in fig. 1 to 4, the thermostat with automatic adjustment and manual adjustment comprises a housing 2, a motor 23, a transmission mechanism 6, an actuator 7 and a control circuit 24, wherein the motor 23, the transmission mechanism 6, the actuator 7 and the control circuit 24 are arranged in the housing 2, the control circuit 24 is electrically connected with the motor 23, the motor 23 is in transmission connection with the transmission mechanism 6, the transmission mechanism 6 is in transmission connection with the actuator 7, the control circuit 24 is provided with a travel driving time t for controlling the motor 23, the upper part of the housing 2 is provided with a connecting part 21 for fixedly connecting with a control valve 1, the lower part of the housing 2 is provided with a manual adjustment mechanism, the housing 2 is provided with a temperature sensor, the temperature sensor is electrically connected with the control circuit 24, the manual adjustment mechanism comprises a knob 31 and a conversion element 4 for converting the mechanical travel of the knob 31 into the travel driving time t, the conversion element 4 is electrically connected with the control circuit 24, the conversion element 4 is fixedly arranged at the lower part of the housing 2, the conversion element 4 is provided with an input shaft 41, and the knob 31 is fixedly arranged on the input shaft 41. The traditional thermostat can only automatically control the temperature through a program, or manually set the temperature through the control key 82, and the manual setting of the temperature through the control key 82 is often required to be adjusted by matching with the display screen 81, so that the traditional thermostat has certain use and learning cost for the old and children, is inconvenient to operate, needs to be adjusted by pressing step by step, and when the temperature span is large, the control key 81 is often required to be repeatedly pressed for a plurality of times, so that the adjustment efficiency is low, and the operation is complex; in the prior art, a thermostat is also provided, which is regulated by a knob 31, but the knob 31 of the thermostat is equal to a control key 82, the triggering mode of the pressed control key 81 is changed, and the temperature regulation speed is improved, but when an automatic control program fails, manual regulation cannot be performed, and the stability and reliability are poor; need not to press control button 82 one by one and carry out temperature regulation, the speed of adjusting temperature is faster, uses study with low costs, and old man child all can convenient operation, and control program also can carry out automatically regulated according to preset time quantum or indoor temperature simultaneously, automatic and manual common regulation temperature, richens the regulation mode, simple operation, convenient to use.

Specifically, the actuating mechanism 7 comprises a sliding cylinder, a screw column, a thread cylinder and a push rod 77 for propping against the valve rod 11 of the control valve 1, wherein the sliding cylinder is fixedly arranged in the shell 2, the push rod 77 is integrally formed or fixedly arranged on the screw column, the screw column is vertically and slidably arranged on the sliding cylinder, the thread cylinder is in threaded connection with the screw column, a limit part is arranged at the upper part of the screw column, a transmission part is arranged at the lower part of the screw column, an external thread is arranged on the side wall of the transmission part, an internal thread is arranged on the inner wall of the thread cylinder, the transmission part is in threaded connection with the thread cylinder, an inserting rod opening with an upward opening is formed at the upper part of the limit part, the push rod 77 is inserted in the inserting rod hole, the upper part of the push rod 77 extends out of the upper surface of the screw column, a limit block is arranged on the outer wall of the limit part, a limit groove corresponding to the limit block is vertically arranged on the inner wall of the sliding cylinder, and the limit block is in limit fit with the limit groove in a limit way; the transmission mechanism 6 comprises a plurality of reduction gears, the reduction gears are meshed with each other, the lower part of the threaded cylinder is provided with a transmission gear, the output end of the motor 23 is provided with a driving gear, the transmission gear is meshed with the reduction gear at the tail end, and the driving gear is meshed with the reduction gear at the front end. The conversion element 4 directly converts the mechanical stroke into the stroke driving time t of the motor 23, and when the knob 31 is rotated forward or reversely, the motor 23 is driven to rotate forward or reversely, the total rotation stroke of the conversion element 4 corresponds to the total stroke driving time t of the motor, and when the conversion element 4 is rotated by a large angle, the driving time of the corresponding motor 23 is also long. When the motor 23 receives the travel driving time t, the motor 23 drives the threaded cylinder to rotate through the speed reduction of each speed reduction gear, the threaded cylinder slides up and down under the action of the internal threads of the threaded cylinder and the external threads of the threaded cylinder, and the limiting groove of the sliding cylinder is in limiting fit with the limiting block, so that the threaded cylinder can only vertically move and cannot rotate along with the threaded cylinder, and the push rod 77 is driven to move up and down to push or release the valve rod 11.

Specifically, manual adjustment mechanism still is provided with mount pad 5, mount pad 5 fixed mounting has offered mounting hole 51 in the lower part of casing 2 in the middle part of mount pad 5, the outer fringe of mounting hole 51 is provided with buckle connecting portion 52, conversion component 4 joint is in buckle connecting portion 52, the lower part of mount pad 5 is provided with annular sliding connection portion 53, the connecting slider 531 inwards extends in the lower part of sliding connection portion 53, annular spout 32 has been seted up along the circumferencial direction in the outside on the upper portion of knob 31, connecting slider 531 and annular spout 32 sliding fit. The connecting slider 531 is fixed in the annular chute 32 rotation, and the central part of knob 31 is provided with the spliced eye, in inserting the spliced eye with input shaft 41 direct insertion, drives the input shaft 41 rotation when the spliced eye is the opposite sex hole in order to realize rotatory knob 31, and buckle connecting portion 52 includes two at least buckles of relative setting, fixes conversion component 4 through the buckle, is convenient for install and dismantlement.

Specifically, one side of the slide connection portion 53 is provided with a mounting opening 54 for mounting the knob 31. When the knob 31 is installed, the annular chute 32 of the knob 31 is aligned with the connecting slide block 531, and the connecting slide block slides in from the installation opening 54, so that the structure is simplified, and the installation is convenient. Specifically, the lower part of the mounting seat 5 is provided with a plurality of sliding connection parts 53 along the circumferential direction, each sliding connection part 53 is arranged at intervals, and the connection sliding blocks 531 of each sliding connection part 53 form a semicircle, so that the material is saved, the cost is reduced, and the weight of the whole machine is reduced.

Specifically, the one side of mount pad 5 towards knob 31 is provided with spacing track 55, spacing track 55 includes a plurality of spacing ribs 56 that set up along the circumferencial direction interval, the inside of knob 31 is provided with thimble installation post 36, thimble installation post 36 is provided with the thimble groove 33 of opening upwards, the inside of thimble groove 33 is provided with thimble 34 and elastic restoring element 35, thimble 34 slidable mounting from top to bottom is in thimble groove 33, the upper end of elastic restoring element 35 supports the lower part of thimble 34, the lower extreme of elastic restoring element 35 supports the bottom of thimble groove 33, thimble 34 is located between two adjacent spacing ribs 56, thimble 34 and two adjacent spacing ribs 56 support the cooperation. The elastic reset piece 35 adopts a spiral spring, when the knob 31 is static, under the action of the elastic reset piece 35, the thimble 34 is positioned between two adjacent limit ribs 56, and the upper part of the thimble 34 simultaneously abuts against the two adjacent limit ribs 56, so that a certain limit effect is achieved on the knob 31, and the occurrence of false touch or the automatic rotation of the knob 31 under the action of gravity is prevented, so that the temperature is accidentally regulated; when the knob 31 is rotated, the thimble 34 slides against each limit rib 56 under the action of the elastic reset piece 35, thereby enhancing the adjusting hand feeling.

Specifically, a limit stop 57 is provided on one side of the limit rail 55, and the limit stop 57 is in limit fit with the ejector pin mounting post 36. The rotational stroke of the knob 31 is limited by the limit stopper 57 so that the rotational stroke corresponds to the stroke driving time t of the motor 23. By changing the rotation direction of the knob 31, the forward rotation and the reverse rotation of the motor 23 are controlled.

Specifically, the transducer element 4 is a potentiometer or encoder. When the thermostat is provided with a plurality of temperature adjustment gears, a gear mark is provided in the circumferential direction at the lower portion of the housing 2 or the outside of the knob 31, an arrow is provided at the lower portion of the knob 31 or the housing 2, and the control circuit 24 is switched to the corresponding temperature adjustment gear when the arrow is aligned with the gear mark.

Specifically, the thermostat is further provided with a power supply assembly, the power supply assembly comprises a plurality of power supply batteries 84 and a battery compartment 83 for accommodating the power supply batteries 84, the power supply batteries 84 are electrically connected with the control circuit 24, the rear portion of the housing 2 is provided with a mounting groove, the battery compartment 83 is arranged at the mounting groove, and the mounting groove is movably provided with a battery cover plate 85 so as to replace the power supply batteries 84 in the battery compartment 83 by disassembling the battery cover plate 85. The power supply battery 84 is arranged in the battery compartment 83, the power supply to the control circuit and the motor 23 is realized through the power supply battery 84, an external power supply is not needed, mobility is enhanced, the use is more convenient, the power supply battery 84 can be replaced by disassembling the battery cover plate 85, a disposable alkaline or carbon battery can be adopted, and a rechargeable battery capable of repeatedly and circularly charging and discharging can also be adopted.

Specifically, the control circuit 24 is further provided with a display screen 81, the display screen 81 exposes the housing 2, and the display screen 81 is electrically connected to the control circuit 24. The control circuit 24 is further provided with a plurality of control keys 82, and each control key 82 is electrically connected to the control circuit 24. More temperature and time information can be displayed through the display screen 81, the automatic temperature adjusting program is adjusted in a self-defined mode by matching with the control key 82, meanwhile, the temperature can be manually adjusted through the control key 82, and the temperature adjusting operation is more convenient and rapid in two modes of manually adjusting the temperature, so that the automatic temperature adjusting device can be suitable for different use groups.

The foregoing is merely exemplary of the present utility model, and those skilled in the art should not be considered as limiting the utility model, since modifications may be made in the specific embodiments and application scope of the utility model in light of the teachings of the present utility model.

Claims

1. The utility model provides a thermostat with automatically regulated and manual regulation, includes casing (2), installs in inside motor (23) of casing (2), drive mechanism (6), actuating mechanism (7) and control circuit (24), control circuit (24) and motor (23) electric connection, motor (23) are connected with drive mechanism (6) transmission, and drive mechanism (6) are connected with actuating mechanism (7) transmission, its characterized in that: the control circuit (24) is provided with a travel driving time t for controlling the motor (23), the upper part of the shell (2) is provided with a connecting part (21) for fixedly connecting the control valve (1), the lower part of the shell (2) is provided with a manual adjusting mechanism, the shell (2) is provided with a temperature sensor, the temperature sensor is electrically connected with the control circuit (24),

the manual adjusting mechanism comprises a knob (31) and a conversion element (4) used for converting the mechanical stroke of the knob (31) into the stroke driving time t, the conversion element (4) is electrically connected with the control circuit (24), the conversion element (4) is fixedly arranged at the lower part of the shell (2), the conversion element (4) is provided with an input shaft (41), and the knob (31) is fixedly arranged on the input shaft (41).

2. A thermostat with automatic and manual adjustment according to claim 1, characterized in that: the manual adjusting mechanism is also provided with a mounting seat (5), the mounting seat (5) is fixedly arranged at the lower part of the shell (2), a mounting opening (51) is formed in the middle of the mounting seat (5), the outer edge of the mounting opening (51) is provided with a buckle connecting part (52), the conversion element (4) is clamped at the buckle connecting part (52),

the lower part of mount pad (5) is provided with annular slip connecting portion (53), and the lower part of slip connecting portion (53) inwards extends and connects slider (531), annular spout (32) have been seted up along the circumferencial direction in the outside on the upper portion of knob (31), connect slider (531) and annular spout (32) sliding fit.

3. A thermostat with automatic and manual adjustment according to claim 2, characterized in that: one side of the sliding connection part (53) is provided with a mounting opening (54) for mounting the knob (31).

4. A thermostat with automatic and manual adjustment according to claim 3, characterized in that: the utility model discloses a rotary knob, including knob (31), mount pad (5) orientation one side of knob (31) is provided with spacing track (55), and spacing track (55) are including a plurality of spacing ribs (56) that set up along the circumferencial direction interval, the inside of knob (31) is provided with thimble erection column (36), and thimble erection column (36) are provided with thimble groove (33) that the opening is upwards, and the inside of thimble groove (33) is provided with thimble (34) and elastic return piece (35), and sliding mounting is in thimble groove (33) from top to bottom about thimble (34), and the lower part of thimble (34) is supported to the upper end of elastic return piece (35), and the bottom of thimble groove (33) is supported to the lower extreme of elastic return piece (35), and thimble (34) are located between two adjacent spacing ribs (56), and thimble (34) are supported to the top cooperation with two adjacent spacing ribs (56).

5. A thermostat with automatic and manual adjustment according to claim 4, characterized in that: one side of the limit rail (55) is provided with a limit stop (57), and the limit stop (57) is in limit fit with the thimble mounting column (36).

6. A thermostat with automatic and manual adjustment according to claim 5, characterized in that: the conversion element (4) is a potentiometer or an encoder.

7. A thermostat with automatic and manual regulation according to any one of claims 1 to 6, characterized in that: the actuating mechanism (7) comprises a sliding cylinder, a rotating column, a threaded cylinder and a push rod (77) for propping against a valve rod (11) of the control valve (1), wherein the sliding cylinder is fixedly arranged in the shell (2), the push rod (77) is integrally formed or fixedly arranged on the rotating column, the rotating column is arranged on the sliding cylinder in a vertical sliding way, the threaded cylinder is in threaded connection with the rotating column,

the upper part of the rotary column is provided with a limit part, the lower part of the rotary column is provided with a transmission part, the side wall of the transmission part is provided with external threads, the inner wall of the threaded cylinder is provided with internal threads, the transmission part is in threaded connection with the threaded cylinder, the upper part of the limit part is provided with a rod inserting opening with an upward opening, a push rod (77) is inserted into the rod inserting hole, the upper part of the push rod (77) extends out of the upper surface of the rotary column, the outer wall of the limit part is provided with a limit block, the inner wall of the sliding cylinder is vertically provided with a limit groove corresponding to the limit block, and the limit block is in limit fit with the limit groove;

the transmission mechanism (6) comprises a plurality of reduction gears, the reduction gears are meshed with each other, the lower part of the threaded cylinder is provided with a transmission gear, the output end of the motor (23) is provided with a driving gear, the transmission gear is meshed with the reduction gear at the tail end, and the driving gear is meshed with the reduction gear at the front end.

8. A thermostat with automatic and manual adjustment according to claim 7, characterized in that: the thermostat is further provided with a power supply assembly, the power supply assembly comprises a plurality of power supply batteries (84) and a battery compartment (83) for accommodating the power supply batteries (84), the power supply batteries (84) are electrically connected with the control circuit (24), the rear portion of the shell (2) is provided with a mounting groove, the battery compartment (83) is arranged at the mounting groove, and a battery cover plate (85) is movably mounted at the mounting groove so as to replace the power supply batteries (84) in the battery compartment (83) by disassembling the battery cover plate (85).

9. A thermostat with automatic and manual adjustment according to claim 8, characterized in that: the control circuit (24) is further provided with a display screen (81), the display screen (81) exposes the shell (2), and the display screen (81) is electrically connected with the control circuit (24).

10. A thermostat with automatic and manual adjustment according to claim 9, characterized in that: the control circuit (24) is also provided with a plurality of control keys (82), and each control key (82) is electrically connected with the control circuit (24) respectively.