CN219415144U - Thermostat device - Google Patents

Abstract

A thermostat comprises a bottom shell, a front cover and a circuit board, wherein the front cover is arranged on the outer edge of the bottom shell and forms a content space with the bottom shell, and the circuit board is provided with a heat sensing probe and is arranged in the content space; the front cover is provided with a display area; the heat insulation device is characterized in that a heat insulation groove is formed around the heat sensing probe by the circuit board, and a detection hole is formed on one side of the front cover, which is opposite to the heat sensing probe; the front cover is provided with a first bent heat insulation plate close to the detection hole, and the first heat insulation plate downwards extends into the heat insulation groove and surrounds the heat sensing probe and reserves a notch opposite to the detection hole. The heat insulation groove and the first heat insulation plate are arranged, so that heat generated by other components of the circuit board can be prevented from being transferred to the side of the heat sensing probe, and the detection temperature of the heat sensing probe is ensured to be consistent with the actual room temperature.

Description

Thermostat device

Technical Field

The present utility model relates to a terminal device for temperature control, which can be used for detection and control of Heating Ventilation Air Conditioning (HVAC), and more particularly, to a constant temperature control device.

Background

With improvements in equipment associated with home heating and cooling, a substantial increase in energy efficiency can be achieved by better controlling and regulating the home heating and cooling equipment. By controlling heating, ventilation and air conditioning (HVAC) equipment, a significant amount of energy can be saved while maintaining a suitable and comfortable living space for the occupants.

Temperature regulation systems are commonly used to regulate the temperature of a space, such as a room, office, house, etc. Heating, ventilation, and cooling (HVAC) systems are systems commonly used as temperature conditioning systems. Thermostats are used to sense the thermal condition of a space and provide the necessary signals to an air conditioning unit that is part of an HVAC system. The thermostat communicates with one or more components of the HVAC system or the temperature regulation system.

Thermostats are components of HVAC control systems. Conventional thermostats sense the temperature of HVAC systems and control components in order to maintain a certain set point. Thermostats may be designed to control heating or cooling systems or air conditioning. Thermostats to measure the temperature and other desired parameters of the system using various sensors.

Thermostats are typically connected to and control the operation of fans or heating elements or heaters or valves within a temperature conditioning system, such as an HVAC system. Typically, thermostats sense the temperature of a space and control one or more components of an HVAC system to maintain the temperature of the space as close as possible to a reference temperature. The reference temperature is a temperature set point and may be received from a user or a remote operator.

The thermostat is installed in the room (wall-hanging type is in a large number), generally comprises a shell, a circuit board arranged in the shell and various sensors, such as a heat sensing probe, and the like, wherein the front end face of the shell is provided with a display panel which can display numerical values such as temperature, the heat sensing probe is sensitive, and heat generated by other components of the circuit board can be sensed, so that deviation possibly exists between the heat and the temperature value of the actual room temperature, and calibration is needed.

Disclosure of Invention

The utility model aims to solve the technical problem of providing a thermostat which is not influenced by heat generated by other components of a circuit board on a heat sensing probe aiming at the state of the art.

The technical scheme adopted for solving the technical problems is as follows: a thermostat comprises a bottom shell, a front cover and a circuit board, wherein the front cover is arranged on the outer edge of the bottom shell and forms a content space with the bottom shell, and the circuit board is provided with a heat sensing probe and is arranged in the content space; the front cover is provided with a display area; the circuit board is provided with a heat insulation groove around the heat sensing probe, and one side of the front cover is provided with a detection hole opposite to the heat sensing probe; the front cover is provided with a first bent heat insulation plate close to the detection hole, and the first heat insulation plate downwards extends into the heat insulation groove and surrounds the heat sensing probe and reserves a notch opposite to the detection hole.

Further, the heat sensing probe is arranged on the lower end face of the circuit board, the first heat insulation plate downwards extends out of the heat insulation groove and exposes out of the circuit board, and a second heat insulation plate is arranged on the inner side of the bottom shell in a protruding mode and is located on the periphery of the first heat insulation plate or located between the periphery of the heat sensing probe and the first heat insulation plate. The double-layer heat insulation further improves the heat insulation effect, and the front cover and the bottom shell can be positioned by assembling the first heat insulation plate and the second heat insulation plate, so that the assembly is convenient.

Of course, the heat sensing probe may be disposed on the upper end surface of the circuit board and heat-insulated by two heat-insulating boards.

Further, the top of the second heat insulation plate is propped against the lower end face of the circuit board.

Preferably, the front cover comprises a ring-shaped surface shell and a mask arranged in a central through hole of the surface shell, the mask is provided with a display area, the first heat insulation plate is formed on the inner side of the surface shell, and the detection hole is formed on the surface shell.

The assembly connection mode of the face shell and the base is preferably designed as follows: the inner side of the face shell is provided with a plurality of connecting columns in a forming mode, correspondingly, the bottom shell is provided with connecting holes matched with the connecting columns, and the connecting columns and the connecting holes are connected into a whole through connecting members.

Further, the inner wall of the mask is provided with a copper thin for touch feeling, and the copper thin is electrically connected with the circuit board through a plurality of springs.

Further, the circuit board is provided with a plurality of LEDs for displaying information, and the front end face of the circuit board is provided with a light guide bracket capable of feeding back the LED display information to a display area.

Further, be equipped with the vibrations motor that is used for reminding in the drain pan, the light guide support have downwardly extending's supporting rib, this supporting rib runs through the circuit board and with vibrations motor location on the drain pan.

Further, a baffle wall for limiting the displacement of the vibration motor is arranged on the bottom shell in a protruding mode around the vibration motor.

Further, the back of the bottom shell is detachably provided with a hanging plate assembly, the hanging plate assembly comprises a lower cover, an upper cover and a wiring terminal, the upper cover is arranged on the lower cover and forms a shell, the wiring terminal is positioned on the shell, and correspondingly, the wiring board is provided with a contact pin which is in plug-in fit with the wiring terminal. The lower cover is provided with a horizontal bubble. The hanging plate component can be arranged on an indoor wall surface, and is convenient to operate.

Compared with the prior art, the utility model has the advantages that: the arrangement of the heat insulation groove and the first heat insulation plate can prevent heat generated by other components of the circuit board from being transferred to the side of the heat sensing probe, so that the detection temperature of the heat sensing probe is ensured to be consistent with the actual room temperature, and the detection value is not required to be adjusted or supplemented.

Drawings

Fig. 1 is a schematic structural diagram of an embodiment.

Fig. 2 is an exploded view of fig. 1.

Fig. 3 is an exploded view of the other view of fig. 2.

Fig. 4 is an enlarged perspective cross-sectional view of an embodiment.

Detailed Description

The utility model is described in further detail below with reference to the embodiments of the drawings.

As shown in fig. 1, 2, 3 and 4, the thermostat of the present embodiment includes a bottom case 1, a front cover 302, a circuit board 4, a copper sheet 8, a light guide bracket 5 and a hanging plate assembly 6, wherein the front cover 302 is disposed on an outer edge of the bottom case 1 and forms a content space with the bottom case 1, and the circuit board 4 is disposed in the content space; the front cover 302 includes a ring-shaped face shell 2 and a face mask 3 disposed in a central through hole of the face shell 2, the face mask 3 has a display area, and the face mask in this embodiment is made of semitransparent material.

The circuit board 4 is provided with a heat insulation groove 41 around the heat sensing probe 45, and one side of the face shell 2 is provided with a detection hole 23 opposite to the heat sensing probe 45; the face shell 2 is formed with a curved first heat insulating plate 22 near the detection hole 23, and the first heat insulating plate 22 extends downward into the heat insulating groove 41 and surrounds the heat sensing probe 45 and retains a notch facing the detection hole 23.

As shown in fig. 4, the lower end surface of the circuit board 4 is provided with a heat sensing probe 45, the first heat insulation board 22 downwardly extends out of the heat insulation groove 41 and exposes the circuit board 4, the inner side of the bottom shell 1 is convexly provided with a second heat insulation board 11, and the second heat insulation board 11 is located at the periphery of the first heat insulation board 22. The heat insulation groove can insulate the heat generated by the circuit board and the components on the circuit board from acting on the heat sensing probe in a heat conduction mode, and the first heat insulation plate and the second heat insulation plate can insulate the components from acting on the heat sensing probe in a radiation mode. Double-layer heat insulation treatment is carried out on the heat sensing probe, so that heat generated by other components on the circuit board is ensured not to be transferred to the heat sensing probe area.

The connection mode of the surface shell and the bottom shell is as follows: the inner side of the face shell 2 is formed with a plurality of connecting posts 21, correspondingly, the bottom shell 1 is provided with connecting holes 13 matched with the connecting posts 21, and connecting members are used for connecting the connecting posts 21 and the connecting holes 13 into a whole, and screws can be used as the connecting members in the embodiment.

The inner wall of the mask 3 is provided with a copper foil 8 for tactile sensation, which copper foil 8 is electrically conductively connected to the circuit board 4 by means of a plurality of springs 42. The spring connection is convenient for installation.

The wiring board 4 has a plurality of LEDs 43 for displaying information, and the front end surface of the wiring board 4 is provided with a light guide bracket 5 for feeding back the information displayed by the LEDs 43 to the display area. Specifically, the light guide bracket 5 is provided with a positioning column 52 which can be matched with a positioning hole of the circuit board 4 in a positioning way.

The vibration motor 7 for reminding is arranged in the bottom shell 1, the light guide bracket 5 is provided with a supporting rib 51 which extends downwards, and the supporting rib 51 penetrates through the circuit board 4 and positions the vibration motor 7 on the bottom shell 1. A blocking wall 12 for limiting the displacement of the vibration motor 7 is arranged on the bottom shell 1 in a protruding manner around the vibration motor 7. Thus, the vibration motor is positioned up and down and left and right.

The hanging plate assembly 6 is detachably arranged on the back of the bottom shell 1, the hanging plate assembly 6 comprises a lower cover 61, an upper cover 62 and a wiring terminal 63, the upper cover 62 is arranged on the lower cover 61 and forms a shell, the wiring terminal 63 is positioned on the shell, and correspondingly, the wiring board 4 is provided with a contact pin 44 which is in plug-in fit with the wiring terminal 63.

Claims (10)

1. A thermostat comprises a bottom shell (1), a front cover (302) and a circuit board (4), wherein the front cover (302) is arranged on the outer edge of the bottom shell (1) and forms a content space with the bottom shell (1), and the circuit board (4) is provided with a heat sensing probe (45) and is arranged in the content space; the front cover (302) has a display area; the heat insulation device is characterized in that the circuit board (4) is provided with a heat insulation groove (41) around the heat sensing probe (45), and one side of the front cover (302) is provided with a detection hole (23) opposite to the heat sensing probe (45); the front cover (302) is provided with a first curved heat insulation plate (22) near the detection hole (23), and the first heat insulation plate (22) extends downwards into the heat insulation groove (41) and surrounds the heat sensing probe (45) and maintains a notch opposite to the detection hole (23).

2. Thermostat according to claim 1, characterized in that the heat-sensitive probe (45) is arranged on the lower end face of the circuit board (4), the first heat-insulating plate (22) extends downwards out of the heat-insulating groove (41) and exposes out of the circuit board (4), the inner side of the bottom shell (1) is convexly provided with a second heat-insulating plate (11), the second heat-insulating plate (11) is arranged on the periphery of the first heat-insulating plate (22), or the second heat-insulating plate (11) is arranged between the periphery of the heat-sensitive probe (45) and the first heat-insulating plate (22).

3. Thermostat according to claim 2, characterized in that the top of the second heat insulating plate (11) abuts against the lower end face of the circuit board (4).

4. The thermostat according to claim 2, characterized in that the front cover (302) comprises a circular surface shell (2) and a face mask (3) arranged in a central through hole of the surface shell (2), the face mask (3) has a display area, the first heat insulation plate (22) is formed on the inner side of the surface shell (2), and the detection hole (23) is formed on the surface shell (2).

5. Thermostat according to claim 4, characterized in that the inner side of the face-piece (2) is formed with a plurality of connecting posts (21), correspondingly, the bottom shell (1) is provided with connecting holes (13) which are matched with the connecting posts (21), and the connecting posts (21) and the connecting holes (13) are connected into a whole by connecting members.

6. Thermostat according to claim 4, characterized in that the inner wall of the face shield (3) is provided with a copper foil (8) for tactile sensation, which copper foil (8) is electrically conductively connected to the circuit board (4) by means of a plurality of springs (42).

7. Thermostat according to claim 1, characterized in that the circuit board (4) has a plurality of LEDs (43) for displaying information, and that the front face of the circuit board (4) is provided with a light-guiding bracket (5) for feeding back the information displayed by the LEDs (43) to the display area.

8. Thermostat according to claim 7, characterized in that the bottom shell (1) is provided with a vibration motor (7) for reminding, the light guide bracket (5) is provided with a supporting rib (51) which extends downwards, and the supporting rib (51) penetrates through the circuit board (4) and positions the vibration motor (7) on the bottom shell (1).

9. Thermostat according to claim 8, characterized in that the bottom shell (1) is provided with a wall (12) protruding around the vibration motor (7) to limit the displacement of the vibration motor (7).

10. Thermostat according to claim 1, characterized in that the rear side of the bottom shell (1) is detachably provided with a hanging plate assembly (6), the hanging plate assembly (6) comprises a lower cover (61), an upper cover (62) and a connecting terminal (63), the upper cover (62) is arranged on the lower cover (61) and forms a shell, the connecting terminal (63) is positioned on the shell, and correspondingly, the circuit board (4) is provided with a contact pin (44) which is in plug-in fit with the connecting terminal (63).