Heater temperature control device

Abstract

The utility model relates to the technical field of radiator thermostatic valves, and discloses a warmer temperature control device which comprises a lower shell, an adjusting knob is rotatably connected to the outer side of the top of the lower shell, a connector is fixedly installed at the bottom of the lower shell and used for being connected with a heat supply pipeline, an inner support is fixedly installed in the lower shell, and an outer support is fixedly installed in the lower shell. A PCB is arranged on the top of the inner support, a bidirectional microswitch is arranged on the edge of the PCB, an inner insection ring is fixedly installed on the inner wall of the adjusting knob, a switch driving lever of the bidirectional microswitch extends into an insection groove of the inner insection ring, and a damping assembly is embedded in the top of the inner support. The damping assembly is used for providing rotation damping for the adjusting knob. In the rotating process of the adjusting knob, the end of the needle rod elastically abuts against the inner insection ring to provide resistance for rotation of the adjusting knob, the end of the needle rod collides with the insection of the inner insection ring to give out warning tone, a user can know the rotating angle in time, the situation that the adjusting knob rotates too much or too little is prevented, and therefore the process of adjusting the flow to the expected value is achieved. The operation is convenient and stable.

Description

Technical Field

[0001] The utility model relates to the technical field of radiator thermostatic valves, in particular to a heater temperature control device. Background Art

[0002] In winter, radiators are often used in northern regions to maintain room temperature. When the radiator is in use, the room temperature is adjusted by manually controlling the valve to adjust the flow of hot water in the pipe.

[0003] The Chinese patent with application date: 2023.07.20 and publication number: CN220452871U discloses a radiator intelligent thermostatic control valve linked to a gas wall-mounted boiler, which relates to the technical field of radiator thermostatic valves. The utility model realizes manual precision control by setting a knob with a gear ring around the inner wall in the thermostatic control valve and cooperating with the internal gear to rotate, or remotely controls the central processor through the wireless communication module of the existing boiler linkage connected to the mobile phone terminal and the like to remotely control the motor, and controls the flow of the water inlet valve connected to the connecting nut under the action of the linear telescopic structure of the screw in the motor, which greatly improves the efficiency and convenience of the thermostatic valve control; the overall structure of the thermostatic valve adopts a rotary clamping structure and a plug-in clamping structure, and the brackets of each component can be directly assembled and disassembled in a detachable manner, with high efficiency in production assembly and later overhaul and maintenance, and a compact structure and high space utilization.

[0004] In this technical solution, by turning the knob, the gear ring inside the knob drives the gear to rotate, thereby driving the rotary encoder, and then controlling the motor to drive the linear telescopic structure of the screw to achieve flow regulation of the water inlet valve. However, in actual use, the knob is subject to less resistance, and it is easy to turn more or less when turning. It is necessary to turn the knob multiple times to adjust the flow inside the water inlet valve to the expected flow; or first turn the knob until the flow is close to the expected flow, and then slowly turn the knob to make fine adjustments; this makes the operation more troublesome when adjusting the flow, and further improvements can be made. Utility Model Content

[0005] 1. Technical issues to be solved

[0006] In view of the deficiencies in the prior art, the utility model provides a heater temperature control device, which has the advantages of convenient flow adjustment and thus temperature adjustment, and solves the problems of low damping of the knob, easy over- or under-turning, and cumbersome operation.

[0007] (II) Technical solution

[0008] In order to achieve the above-mentioned purpose of conveniently adjusting the flow rate and then adjusting the temperature, the utility model provides the following technical solutions: a heater temperature control device, comprising a lower shell, the outer side of the top of the lower shell is rotatably connected to an adjusting knob, the bottom of the lower shell is fixedly installed with a connector, the connector is used to connect the heating pipe, an inner bracket is fixedly installed inside the lower shell, a PCB board is arranged on the top of the inner bracket, a two-way micro switch is arranged on the edge of the PCB board, an inner toothed ring is fixedly installed on the inner wall of the adjusting knob, and the switch of the two-way micro switch The switch lever extends into the tooth groove of the inner toothed ring, and the inner toothed ring is used to drive the switch lever of the two-way micro switch to move left or right; a damping component is embedded in the top of the inner bracket, and the damping component is used to provide rotational damping for the adjusting knob; the damping component includes a sleeve embedded in the top of the inner bracket, and a needle rod is slidably connected through the end of the sleeve, and a spring is fixedly installed between the end of the needle rod and the inner wall of the sleeve, and the spring is used to drive the needle rod to slide outward along the sleeve, and make the end of the needle rod elastically abut against the tooth groove of the inner toothed ring.

[0009] Preferably, the PCB board is provided with a wireless connection module, a temperature control chip and a temperature sensor, and the PCB board is connected to an external handheld terminal through the wireless connection module, and the wireless connection module is any one of a Bluetooth module or a Bluetooth chip, or a WIFI module, or a WIFI chip, or a 433 radio frequency chip or a zigbee module;

[0010] A display screen light board is arranged on the side of the inner bracket, and a switch button is arranged on the surface of the display screen light board, and the switch button extends through and extends to the outside of the lower shell. The PCB board is electrically connected to the display screen light board, and the PCB board monitors temperature changes in real time through a temperature control chip and a temperature sensor, and displays the temperature through the display screen board. The temperature control chip is used to control temperature changes; a battery and a drive motor are arranged inside the inner bracket, and the battery is electrically connected to the PCB board, the display screen light board and the drive motor.

[0011] Preferably, a display screen cover is provided between the inner wall of the lower shell and the display screen light board, the display screen cover cooperates with the inner bracket to clamp and fix the display screen light board, and the switch button penetrates and is plugged into the display screen cover.

[0012] Preferably, the back of the display screen cover is integrally formed with a plurality of buckles 1, the surface of the display screen light panel is penetrated with a plurality of avoidance grooves corresponding to the buckle 1, the buckle 1 is inserted into the avoidance groove, the side of the inner bracket is penetrated with a plurality of slots 1 corresponding to the buckle 1, the buckle 1 is clamped in the slot 1.

[0013] Preferably, a light-transmitting portion is provided on the surface of the lower shell corresponding to the display screen cover, and the light-transmitting portion is used to transmit light emitted by the display screen light board and the display screen cover assembly.

[0014] Preferably, the light-transmitting portion is made of light-transmitting acrylic material or light-transmitting PC material.

[0015] Preferably, a battery installation cavity and a motor installation cavity are provided at the top of the inner bracket, the battery installation cavity is used to accommodate a battery, the motor installation cavity is used to accommodate a drive motor, and the bottom output end of the drive motor extends through and into the connector.

[0016] Preferably, a top cover is clamped on the top of the inner bracket, and the top cover is used to be clamped on the top of the driving motor. The battery is inserted through the top cover, and a metal electrode sheet is slidably connected to the top of the top cover, and the metal electrode sheet is used to abut against the top electrode of the battery.

[0017] Preferably, a cover plate is clamped on the top of the top cover, and the cover plate cooperates with the top cover to clamp and fix the PCB board.

[0018] Preferably, the cover plate surface is provided with a second card slot array, and the top of the top cover is correspondingly integrally formed with a plurality of second card buckles, and the second card buckles are snapped into the second card slot.

[0019] (III) Beneficial effects

[0020] Compared with the prior art, the utility model provides a heater temperature control device, which has the following beneficial effects:

[0021] 1. The temperature control device of the heater is rotated by holding the adjustment knob. The teeth of the inner toothed ring squeeze the lever of the two-way micro switch, so that the lever of the two-way micro switch is moved left or right, so that the output shaft of the PCB board controls the drive motor to rotate clockwise or counterclockwise, and the screw telescopic structure at the end of the drive motor is driven to extend and retract, so as to adjust the hot water flow inside the heating pipe. The operation process is convenient and quick;

[0022] 2. In the heater temperature control device, during the rotation of the adjustment knob, the end of the needle rod elastically abuts against the inner toothed ring to provide resistance to the rotation of the adjustment knob, and a warning sound is emitted through the collision between the end of the needle rod and the teeth of the inner toothed ring, so that the user can know the rotation angle in time to prevent the adjustment knob from turning too much or too little. After the adjustment knob stops rotating, the end of the needle rod elastically abuts against the toothed groove of the inner toothed ring to limit the adjustment knob and prevent the adjustment knob from rotating due to inertia, thereby achieving the process of adjusting the flow to the expected value, which is convenient and stable;

[0023] 3. The temperature control device of the heater is connected to the top of the top cover through the display light board, and the metal electrode sheet is slidably connected to the top of the top cover, which can push the metal electrode sheet away from the top of the battery, which is convenient when replacing the battery;

[0024] 4. The temperature control device of the heater has a simple overall structure and is easy to assemble. BRIEF DESCRIPTION OF THE DRAWINGS

[0025] Figure 1 This is a three-dimensional structural schematic diagram of a heater temperature control device proposed by the utility model;

[0026] Figure 2 This is a schematic cross-sectional structure diagram of a heater temperature control device proposed by the utility model;

[0027] Figure 3 This is a schematic diagram of the three-dimensional assembly structure of an inner bracket and a PCB board of a heater temperature control device proposed by the utility model; a two-way micro switch and a display light board;

[0028] Figure 4 This is a three-dimensional structural schematic diagram of a heater temperature control device proposed by the utility model after removing the adjustment knob and the cover plate;

[0029] Figure 5 This is a schematic diagram of the three-dimensional assembly structure of the adjusting knob and the lower shell of a heater temperature control device proposed by the utility model;

[0030] Figure 6 A heater temperature control device proposed by the utility model Figure 5 A is a schematic diagram of the enlarged structure of the details;

[0031] Figure 7 This is a schematic diagram of the three-dimensional assembly structure of a driving motor and an inner bracket of a heater temperature control device proposed by the utility model;

[0032] Figure 8 The utility model provides a schematic diagram of the three-dimensional assembly structure of a cover plate and an inner bracket of a heater temperature control device.

[0033] In the figure: 1. lower shell; 2. adjustment knob; 3. connector; 4. inner bracket; 5. PCB board; 6. two-way micro switch; 7. display light board; 8. battery; 9. damping assembly; 10. driving motor; 11. display cover; 12. cover plate; 201. inner toothed ring; 401. slot one; 402. battery installation cavity; 403. motor installation cavity; 404. top cover; 405. metal electrode sheet; 406. buckle two; 701. switch button; 702. avoidance groove; 901. sleeve; 902. needle rod; 1101. buckle one; 1201. slot two. DETAILED DESCRIPTION

[0034] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0035] See also Figure 1-Figure 8 A heater temperature control device comprises a lower shell 1, an adjusting knob 2 is rotatably connected to the outer side of the top of the lower shell 1, a connector 3 is fixedly installed at the bottom of the lower shell 1, and the connector 3 is used to connect a heating pipe, an inner bracket 4 is fixedly installed inside the lower shell 1, a PCB board 5 is arranged on the top of the inner bracket 4, and a two-way micro switch 6 is arranged on the edge of the PCB board 5, an inner toothed ring 201 is fixedly installed on the inner wall of the adjusting knob 2, a switch lever of the two-way micro switch 6 extends into the toothed groove of the inner toothed ring 201, and the inner toothed ring 201 is used to drive the switch lever of the two-way micro switch 6 to move left or right;

[0036] The PCB board 5 is provided with a wireless connection module, a temperature control chip and a temperature sensor. The PCB board 5 is connected to the external handheld terminal through the wireless connection module. The wireless connection module is any one of a Bluetooth module or a Bluetooth chip, a WI FI module, a WI FI chip, a 433 RF chip or a zigbee module.

[0037] A display screen light board 7 is arranged on the side of the inner bracket 4, and a switch button 701 is arranged on the surface of the display screen light board 7. The switch button 701 extends through the outside of the lower shell 1. The PCB board 5 is electrically connected to the display screen light board 7. The PCB board 5 monitors the temperature change in real time through the temperature control chip and the temperature sensor, and displays it through the display screen board 7. The temperature control chip is used to control the temperature change.

[0038] A battery 8 and a drive motor 10 are arranged inside the inner bracket 4. The drive motor 10 is a stepping motor or a deceleration eccentric motor. The battery 8 is electrically connected to the PCB board 5, the display light board 7 and the drive motor 10. In this embodiment, the display light board 7 and the PCB board 5 are connected by plugging and unplugging using a pin-type wiring method, which is convenient for the rapid assembly and connection of the display light board 7. The PCB board 5, the display light board 7 and the drive motor 10 are powered by the battery 8. A damping component 9 is embedded on the top of the inner bracket 4. The damping component 9 is used to provide rotation damping for the adjustment knob 2, so that the adjustment knob 2 has a little resistance during rotation to avoid over-rotation or under-rotation during rotation. The damping assembly 9 includes a sleeve 901 embedded in the top of the inner bracket 4, and a needle rod 902 is slidably connected to the end of the sleeve 901. A spring is fixedly installed between the end of the needle rod 902 and the inner wall of the sleeve 901. The spring is used to drive the needle rod 902 to slide outward along the sleeve 901, and to make the end of the needle rod 902 elastically abut against the tooth groove of the inner toothed ring 201. During the rotation of the adjustment knob 2, the inner toothed ring 201 is blocked by the end of the needle rod 902, so that the rotation of the adjustment knob 2 has a certain resistance. In addition, during the rotation of the adjustment knob 2, the needle rod 902 collides with the tooth grooves of the inner toothed ring 201, and a continuous prompt sound is emitted, so that the user can understand the rotation angle.

[0039] A display screen cover 11 is arranged between the inner wall of the lower shell 1 and the display screen light board 7. The display screen cover 11 cooperates with the inner bracket 4 to clamp and fix the display screen light board 7. The switch button 701 penetrates and is plugged into the display screen cover 11. The back of the display screen cover 11 is integrally formed with a plurality of buckles 1101. The surface of the display screen light board 7 is provided with a plurality of avoidance grooves 702 corresponding to the buckles 1101. The buckles 1101 penetrate and are plugged into the avoidance grooves 702. The side of the inner bracket 4 is provided with a plurality of card slots 401 corresponding to the buckles 1101. The buckles 1101 are plugged into the card slots 401. Therefore, when fixing the display screen light board 7, no additional structure is required for fixing. When performing maintenance, the display screen light board 7 can be removed by removing the display screen cover 11 from the inner bracket 4. A light-transmitting portion is arranged on the surface of the lower shell 1 corresponding to the display screen cover 11. The light-transmitting portion is used to transmit the light emitted by the assembly of the display screen light board 7 and the display screen cover 11. The light-transmitting portion is made of one of light-transmitting acrylic, light-transmitting plastic, light-transmitting glass or light-transmitting PC.

[0040] A battery installation cavity 402 and a motor installation cavity 403 are provided at the top of the inner bracket 4. The battery installation cavity 402 is used to accommodate the battery 8, and the motor installation cavity 403 is used to accommodate the drive motor 10. The output end of the drive motor 10 extends through the bottom of the connector 3. The drive motor 10 drives the screw linear telescopic structure to extend and retract, so that the output end of the drive motor 10 extends and retracts inside the connector 3 to adjust the hot water flow inside the heating pipe.

[0041] A top cover 404 is clamped on the top of the inner bracket 4. The top cover 404 is used to clamp on the top of the driving motor 10. The battery 8 is inserted through the top cover 404. A metal electrode sheet 405 is slidably connected to the top of the top cover 404. The metal electrode sheet 405 is used to abut against the top electrode of the battery 8. A metal sheet is also provided on the bottom wall of the inner bracket 4 located at the battery installation cavity 402. The metal sheet cooperates with the metal electrode sheet 405 to connect the two electrodes of the battery 8 to the circuit. When replacing the battery 8, the metal electrode sheet 405 can be removed, the existing battery 8 can be removed, and then a new battery 8 can be installed in the battery installation cavity 402. It plays a role in facilitating the replacement of the battery 8.

[0042] The top of the top cover 404 is clamped with a cover plate 12, and the cover plate 12 cooperates with the top cover 404 to clamp and fix the PCB board 5. The surface of the cover plate 12 is provided with a second card slot 1201 in an array, and the top of the top cover 404 is correspondingly integrally formed with a plurality of second card buckles 406, which are clamped in the second card slot 1201. This achieves the effect of facilitating the removal and installation of the PCB board 5, and the operation is relatively convenient and quick during maintenance.

[0043] Working principle: by holding the adjusting knob 2 and rotating it, the teeth of the inner toothed ring 201 squeeze the lever of the two-way micro switch 6, so that the lever of the two-way micro switch 6 moves left or right, so that the PCB board 5 controls the output shaft of the driving motor 10 to extend and retract. In this embodiment, the driving motor 10 is a retractable stepping motor, which adjusts the hot water flow inside the heating pipe;

[0044] During the rotation of the adjusting knob 2, the end of the needle rod 902 elastically abuts against the inner toothed ring 201, providing resistance to the rotation of the adjusting knob 2, and a prompt sound is emitted by the collision between the end of the needle rod 902 and the teeth of the inner toothed ring 201, so that the user can know the rotation angle in time to prevent the adjusting knob 2 from turning too much or too little. After the adjusting knob 2 stops rotating, the end of the needle rod 902 elastically abuts against the toothed groove of the inner toothed ring 201 to limit the adjusting knob 2 and prevent the adjusting knob 2 from rotating due to inertia.

[0045] Although the embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A heater temperature control device, comprising a lower shell (1), characterized in that: The outer side of the top of the lower shell (1) is rotatably connected to an adjusting knob (2); a connector (3) is fixedly installed at the bottom of the lower shell (1); the connector (3) is used to connect a heating pipe; an inner bracket (4) is fixedly installed inside the lower shell (1); a PCB board (5) is arranged on the top of the inner bracket (4); a two-way micro switch (6) is arranged on the edge of the PCB board (5); an inner toothed ring (201) is fixedly installed on the inner wall of the adjusting knob (2); a switch lever of the two-way micro switch (6) extends into a toothed groove of the inner toothed ring (201); the inner toothed ring (201) is used to drive the switch lever of the two-way micro switch (6) to move leftward or rightward; A damping component (9) is embedded in the top of the inner bracket (4), and the damping component (9) is used to provide rotation damping for the adjusting knob (2); The damping assembly (9) comprises a sleeve (901) embedded in the top of the inner bracket (4); the end of the sleeve (901) is slidably connected with a needle rod (902); a spring is fixedly installed between the end of the needle rod (902) and the inner wall of the sleeve (901); the spring is used to drive the needle rod (902) to slide outward along the sleeve (901) and to make the end of the needle rod (902) elastically abut against the tooth groove of the inner tooth ring (201).

2. The heater temperature control device according to claim 1, characterized in that: The PCB board (5) is provided with a wireless connection module, a temperature control chip and a temperature sensor. The PCB board (5) is connected to an external handheld terminal via the wireless connection module. The wireless connection module is any one of a Bluetooth module or a Bluetooth chip, a WIFI module, a WIFI chip, a 433 radio frequency chip or a zigbee module. A display screen light board (7) is arranged on the side of the inner bracket (4); a switch button (701) is arranged on the surface of the display screen light board (7); the switch button (701) extends through the outside of the lower shell (1); the PCB board (5) is electrically connected to the display screen light board (7); the PCB board (5) monitors temperature changes in real time through a temperature control chip and a temperature sensor, and displays the temperature through the display screen light board (7); the temperature control chip is used to control temperature changes; A battery (8) and a drive motor (10) are arranged inside the inner bracket (4), and the battery (8) is electrically connected to the PCB board (5), the display screen light board (7) and the drive motor (10).

3. The heater temperature control device according to claim 2, characterized in that: A display screen cover (11) is provided between the inner wall of the lower shell (1) and the display screen light board (7); the display screen cover (11) cooperates with the inner bracket (4) to clamp and fix the display screen light board (7); and the switch button (701) penetrates and is plugged into the display screen cover (11).

4. The heater temperature control device according to claim 3, characterized in that: The back of the display screen cover (11) is integrally formed with a plurality of buckles (1101); the surface of the display screen light panel (7) is provided with a plurality of avoidance grooves (702) corresponding to the buckle (1101); the buckle (1101) is inserted into the avoidance groove (702); the side of the inner bracket (4) is provided with a plurality of slots (401) corresponding to the buckle (1101); the buckle (1101) is snapped into the slot (401).

5. The heater temperature control device according to claim 4, characterized in that: A light-transmitting portion is provided on the surface of the lower shell (1) at a position corresponding to the display screen cover (11), and the light-transmitting portion is used to transmit light emitted by the assembly of the display screen light board (7) and the display screen cover (11).

6. The heater temperature control device according to claim 5, characterized in that: The light-transmitting portion is made of light-transmitting acrylic material or light-transmitting PC material.

7. The heater temperature control device according to claim 1, characterized in that: The inner bracket (4) is provided with a battery installation cavity (402) and a motor installation cavity (403) at the top, wherein the battery installation cavity (402) is used to accommodate a battery (8), and the motor installation cavity (403) is used to accommodate a drive motor (10), and the bottom output end of the drive motor (10) extends through the connector (3).

8. The heater temperature control device according to claim 7, characterized in that: A top cover (404) is clamped on the top of the inner bracket (4), and the top cover (404) is used to be clamped on the top of the driving motor (10). The battery (8) is inserted through the top cover (404), and a metal electrode sheet (405) is slidably connected to the top of the top cover (404), and the metal electrode sheet (405) is used to abut against the top electrode of the battery (8).

9. The heater temperature control device according to claim 8, characterized in that: The top of the top cover (404) is clamped with a cover plate (12), and the cover plate (12) cooperates with the top cover (404) to clamp and fix the PCB board (5).

10. The heater temperature control device according to claim 9, characterized in that: The surface of the cover plate (12) is provided with a second card slot (1201) in an array, and the top of the top cover (404) is correspondingly integrally formed with a plurality of second card buckles (406), and the second card buckles (406) are snap-connected in the second card slot (1201).

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