Temperature adjusting device and electric heating towel rack

Abstract

The utility model discloses a temperature adjusting device and an electric heating towel rack, the temperature adjusting device comprises an electric heating element and a control unit for adjusting the magnitude of current passing through the electric heating element, the control unit is electrically connected with the electric heating element, and the electric heating element and the control unit are arranged in a heat conduction insulating tube at an interval. According to the temperature adjusting device and the electric heating towel rack, the electric heating towel rack is provided with the temperature adjusting device, the heating temperature of the electric heating towel rack can be controlled within a constant range, the situation that too long heating time is needed due to the fact that the heating temperature is too low is avoided, and danger caused by the fact that the temperature is too high can also be avoided.

Description

Technical Field

[0001] This utility model relates to the field of towel rack technology, and more specifically, to a temperature regulating device and an electric heating towel rack. Background Technology

[0002] Electric towel racks are a common bathroom accessory used to dry towels or bath towels, preventing them from becoming damp for extended periods and thus preventing the growth of harmful bacteria such as mold, bacteria, and mites.

[0003] Patent document CN 211049220 U discloses an intelligent heated towel rack, including a support, a hanging rod, a controller, and a heating device. The controller includes a housing, a display screen, a power switch, and an adjustment knob. The controller also includes a tension gauge inside the housing, with a hook below the tension gauge. Two sets of connecting blocks are located on the outer circumferential wall of the hanging rod, at both ends of the rod and on the same horizontal plane. The two sets of connecting blocks are connected by a hanging rope, the center of which is hung on the hook. A sliding groove is formed along the axial direction on the outer wall of the support. Two sets of supports are arranged opposite each other, with a heating frame located between the two sets of supports, its end within the sliding groove. Each set of supports contains an adjustment device for driving the heating frame to slide up and down relative to the sliding groove. The heating device is located within the heating frame. The above technical solution lacks an automatic temperature adjustment device, making it unable to maintain a constant heating temperature. Too low a temperature will result in excessively long heating times, while too high a temperature will pose a danger.

[0004] Therefore, it is necessary to propose a temperature regulation device to solve the problems existing in the prior art. Utility Model Content

[0005] The utility model description section introduces a series of simplified concepts, which will be further explained in detail in the detailed description section. This utility model description section is not intended to limit the key features and essential technical features of the claimed technical solution, nor is it intended to determine the scope of protection of the claimed technical solution.

[0006] To address the aforementioned problems, this utility model provides a temperature regulating device, comprising an electric heating element and a control unit for regulating the current flowing through the electric heating element. The control unit is electrically connected to the electric heating element, and the electric heating element and the control unit are spaced apart within a thermally conductive insulating tube.

[0007] Preferably, the control unit is a thermistor, and the thermistor and the heating element are electrically connected to the heating control circuit. The thermistor is fixedly mounted on the inner wall of the thermally conductive insulating tube.

[0008] The thermistor is a positive temperature coefficient thermistor.

[0009] Preferably, the control unit includes an adjustable resistor, a heating control circuit, and a resistance adjustment component. The adjustable resistor and the heating element are electrically connected to the heating control circuit, and the resistance adjustment component is kinetically connected to the adjustment knob of the adjustable resistor.

[0010] Preferably, the resistance adjustment assembly includes a housing fixedly disposed inside a thermally conductive insulating tube. The housing is cylindrical, and a drive sleeve is rotatably disposed on one end face of the housing. The drive sleeve is connected to the adjustment knob of the adjustable resistor.

[0011] Preferably, a sliding plate is slidably disposed inside the housing, a connecting shaft is fixedly disposed on the side wall of the sliding plate facing the drive sleeve, the connecting shaft is movably disposed inside the drive sleeve, a slider is fixedly disposed on the outer circumference of the connecting shaft, and a spiral groove is formed on the inner wall of the drive sleeve at a position opposite to the slider.

[0012] An air bladder is installed on the side of the inner slide plate away from the connecting shaft, and the air bladder is filled with nitrogen.

[0013] Preferably, two sliders are arranged symmetrically.

[0014] Preferably, the thermally conductive insulating tube is made of ceramic material.

[0015] Preferably, the heating element is a heating tube, heating wire, or carbon fiber heating tube.

[0016] Preferably, the airbag is made of natural rubber.

[0017] This utility model also provides an electric towel rack, including the temperature regulating device described in the aforementioned technical solution. The electric towel rack includes two parallel longitudinal beams, and multiple crossbeams are fixedly arranged between the two longitudinal beams. The longitudinal beams and crossbeams are hollow structures, and the crossbeams are connected to the interior of the longitudinal beams. The temperature regulating device is arranged inside the crossbeams.

[0018] Compared with the prior art, the present invention has at least the following beneficial effects:

[0019] The present invention relates to a temperature regulating device and an electric towel rack. The electric towel rack has a temperature regulating device that can control the heating temperature of the electric towel rack within a constant range, preventing excessively long heating time due to excessively low heating temperature, and also preventing danger caused by excessively high temperature.

[0020] The temperature regulating device described in this utility model, other advantages, objectives and features of this utility model will be partly apparent from the following description, and partly understood by those skilled in the art through study and practice of this utility model. Attached Figure Description

[0021] The accompanying drawings are provided to further illustrate the present invention and form part of the specification. They are used together with the embodiments of the present invention to explain the present invention, but do not constitute a limitation thereof. In the drawings:

[0022] Figure 1 This is a schematic diagram of the temperature regulating device disclosed in this utility model;

[0023] Figure 2 This is a schematic diagram of the structure of the resistance adjustment component disclosed in this utility model;

[0024] Figure 3 This is a schematic diagram of the structure of the skateboard and connecting shaft disclosed in this utility model;

[0025] Figure 4 This is a cross-sectional structural schematic diagram of the drive sleeve disclosed in this utility model;

[0026] Figure 5 This is a schematic diagram of the structure of the electric towel rack disclosed in this utility model;

[0027] Figure 6 This is a cross-sectional structural diagram of the electric towel rack disclosed in this utility model. Detailed Implementation

[0028] The present invention will now be described in further detail with reference to the accompanying drawings and embodiments, so that those skilled in the art can implement it based on the description.

[0029] It should be understood that terms such as “having,” “comprising,” and “including” as used herein do not exclude the presence or addition of one or more other elements or combinations thereof.

[0030] like Figures 1-4 As shown, a temperature regulating device includes an electric heating element 1 and a control unit 2 for regulating the current passing through the electric heating element 1. The control unit 2 is electrically connected to the electric heating element 1, and the electric heating element 1 and the control unit 2 are spaced apart inside a thermally conductive insulating tube 3.

[0031] Furthermore, the control unit 2 is a thermistor, and the thermistor and the heating element 1 are electrically connected to the heating control circuit. The thermistor is fixedly installed on the inner wall of the thermally conductive insulating tube 3.

[0032] The thermistor is a positive temperature coefficient thermistor.

[0033] Furthermore, the control unit 2 includes an adjustable resistor, a heating control circuit, and a resistance adjustment component. The adjustable resistor and the heating element 1 are electrically connected to the heating control circuit, and the resistance adjustment component is kinetically connected to the adjustment knob of the adjustable resistor.

[0034] Furthermore, the resistance adjustment assembly includes a housing 5 fixedly disposed inside the thermally conductive insulating tube 3. The housing 5 is cylindrical, and a drive sleeve 6 is rotatably disposed on one end face of the housing 5. The drive sleeve 6 is connected to the adjustment knob of the adjustable resistance.

[0035] Furthermore, a sliding plate 7 is slidably arranged inside the outer shell 5, and a connecting shaft 8 is fixedly arranged on the side wall of the sliding plate 7 facing the drive sleeve 6. The connecting shaft 8 is movably arranged inside the drive sleeve 6, and a slider 9 is fixedly arranged on the outer circumference of the connecting shaft 8. A spiral groove 10 is formed on the inner wall of the drive sleeve 6 at a position opposite to the slider 9.

[0036] An airbag 11 is provided on the side of the inner slide plate 7 of the outer shell 5 away from the connecting shaft 8, and the airbag 11 is filled with nitrogen.

[0037] Furthermore, two sliders 9 are symmetrically arranged.

[0038] Furthermore, the thermally conductive insulating tube 3 is made of ceramic material.

[0039] Furthermore, the heating element 1 is a heating tube, heating wire, or carbon fiber heating tube.

[0040] Furthermore, airbag 11 is made of natural rubber.

[0041] like Figures 5-6 As shown, an electric towel rack includes the temperature regulating device described in the aforementioned technical solution. The electric towel rack includes two parallel longitudinal beams 12, and a plurality of crossbeams 13 are fixedly arranged between the two longitudinal beams 12. The longitudinal beams 12 and the crossbeams 13 are hollow structures, and the crossbeams 13 are connected to the interior of the longitudinal beams 12. The temperature regulating device is arranged inside the crossbeams 13.

[0042] The working principle of the above technical solution:

[0043] During the heating process of towels, an electric towel rack maintains a constant heating temperature to ensure the towels dry quickly and prevent hazards such as fires caused by excessive heat. To maintain a constant heating temperature, a temperature regulation device is needed. When the temperature is higher or lower than the set temperature, the current passing through the electric heating element is adjusted, thereby changing the heat output of the heating element and keeping the electric towel rack at a constant temperature. The temperature of the electric towel rack's constant temperature heating element can be selected within the range of 50-60 degrees Celsius.

[0044] The heating element 1 of the temperature regulating device is electrically connected to a thermistor or adjustable resistor and is also electrically connected to the heating control circuit. The heating control circuit is connected to a plug via a wire. The wire can pass through a hole at the bottom of the electric towel rack and connect to the plug. The plug is used to connect to a household power supply. The heating control circuit is existing technology, such as the heating control circuit disclosed in patent CN213690350U, as well as the heating control circuits of household appliances (such as induction cookers and rice cookers), and will not be described in detail here.

[0045] The heating element 1 is connected in series with a thermistor or adjustable resistor. When the temperature of the heating element 1 is higher than the constant temperature, the resistance of the thermistor or adjustable resistor increases, the current through the heating element 1 decreases, and the heat generated by the heating element 1 decreases. As a result, the heat absorbed by the towel is higher than the heat generated by the heating element 1, causing the temperature of the heating element 1 to drop. When the temperature of the heating element 1 is lower than the constant temperature, the resistance of the thermistor or adjustable resistor decreases, the current through the heating element 1 increases, and the heat generated by the heating element 1 increases. As a result, the heat absorbed by the towel is lower than the heat generated by the heating element 1, causing the temperature of the heating element 1 to rise. This allows the temperature of the heating element 1 to be dynamically balanced and maintained at a constant temperature, which ensures heating efficiency and prevents danger.

[0046] Thermistors are positive temperature coefficient thermistors; their resistance increases with increasing temperature and decreases with decreasing temperature.

[0047] The resistance value of the adjustable resistor is adjusted by the resistance adjustment component. After the temperature of the heating element 1 rises, the temperature of the outer shell 5 also rises. The nitrogen gas in the air bladder 11 inside the outer shell 5 expands due to heat, pushing the slide plate 7 towards the drive sleeve 6. The connecting shaft 8 moves towards the drive sleeve 6. Since the drive sleeve 6 is rotatably connected to the outer shell 5, it cannot move axially. The slider 9 on the connecting shaft 8 slides in the spiral groove 10. When the connecting shaft 8 moves, the slider 9 squeezes the spiral groove 10, causing the drive sleeve 6 to rotate. The drive sleeve 6 is connected to the adjustment knob of the adjustable resistor, adjusting the adjustable resistor in the direction of increasing resistance. Conversely, when the air bladder 11 contracts, the slide plate 7 moves away from the drive sleeve 6. The slider 9 on the connecting shaft 8 drives the drive sleeve 6 to reverse through the spiral groove 10. In order to allow the slide plate 7 to move away from the drive sleeve 6 when the air bladder 11 contracts, a compression spring can be set between the side wall of the slide plate 7 away from the air bladder 11 and the inner wall of the outer shell 5. When the air bladder contracts, the compression spring pushes the slide plate 7 to move.

[0048] The drive sleeve 6 can be fixedly connected to the adjustable resistor. When the drive sleeve 6 rotates, it can drive the adjustment knob to rotate. Alternatively, the shape of the drive groove on the adjustment knob can be matched with the shape of the drive sleeve 6. For example, some adjustable resistor adjustment knobs have a cross groove on their surface. A cross-shaped screwdriver bit that matches the shape of the cross groove can be set on the drive sleeve 6. After inserting the cross-shaped screwdriver bit into the cross groove, the adjustable resistor and the resistance adjustment component are fixed in the heat-conducting insulating tube 3.

[0049] Airbag 11 is made of natural rubber.

[0050] For thermistors, select the general-purpose models suitable for temperature control devices. For adjustable resistors, choose the WTH118 series adjustable resistors whose dimensions, power rating, and resistance range are suitable for temperature control devices.

[0051] The temperature control device is installed inside the crossbeam 13 of the electric towel rack. The length of the heat-conducting insulating tube 3 is less than the length of the crossbeam. Since the width of the electric towel rack is generally set to be larger than the width of the towels, it can accommodate towels of different sizes and is also convenient for taking and putting away towels. Multiple temperature control devices inside the crossbeam 13 can be connected in parallel and electrically connected to the plug on the outside of the electric towel rack through wires. The heating element 1 can be glued to the heat-conducting insulating tube 3 with ceramic glue or silicone. The heat-conducting insulating tube 3 can also be glued to the crossbeam 13 with ceramic glue or silicone. The control unit 2 is fixedly installed inside the heat-conducting insulating tube 3.

[0052] Two vertically distributed connecting columns 4 are fixedly installed at the rear of each longitudinal beam 12 of the electric towel rack, and the electric towel rack is fixed to the wall through the connecting columns 4.

[0053] The beneficial effects of the above technical solution are as follows:

[0054] The present invention relates to a temperature regulating device and an electric towel rack. The electric towel rack has a temperature regulating device that can control the heating temperature of the electric towel rack within a constant range, preventing excessively long heating time due to excessively low heating temperature, and also preventing danger caused by excessively high temperature.

[0055] In the description of this utility model, it should be understood that the terms "center", "longitudinal", "transverse", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", etc., indicating the orientation or positional relationship are based on the orientation or positional relationship shown in the accompanying drawings, and are only for the convenience of describing this utility model and simplifying the description, and are not intended to indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of this utility model.

[0056] In this utility model, unless otherwise explicitly specified and limited, the terms "installation," "connection," "joining," and "fixing," etc., should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral part; they can refer to a mechanical connection, an electrical connection, or a connection that allows communication between them; they can refer to a direct connection or an indirect connection through an intermediate medium; they can refer to the internal communication of two components or the interaction between two components, unless otherwise explicitly limited. Those skilled in the art can understand the specific meaning of the above terms in this utility model according to the specific circumstances.

[0057] Although the embodiments of this utility model have been disclosed above, they are not limited to the applications listed in the specification and embodiments. They can be applied to various fields suitable for this utility model. For those skilled in the art, other modifications can be easily made. Therefore, without departing from the general concept defined by the claims and their equivalents, this utility model is not limited to the specific details and the illustrations shown and described herein.

Claims

1. A temperature regulating device, characterized in that, It includes an electric heating element (1) and a control unit (2) for adjusting the current through the electric heating element (1). The control unit (2) is electrically connected to the electric heating element (1). The electric heating element (1) and the control unit (2) are spaced apart inside the thermally conductive insulating tube (3).

2. The temperature regulating device according to claim 1, characterized in that, The control unit (2) is a thermistor. The thermistor and the heating element (1) are electrically connected to the heating control circuit. The thermistor is fixedly installed on the inner wall of the thermally conductive insulating tube (3). The thermistor is a positive temperature coefficient thermistor.

3. The temperature regulating device according to claim 1, characterized in that, The control unit (2) includes an adjustable resistor, a heating control circuit and a resistance adjustment component. The adjustable resistor and the heating element (1) are electrically connected to the heating control circuit, and the resistance adjustment component is drivenly connected to the adjustment knob of the adjustable resistor.

4. The temperature regulating device according to claim 3, characterized in that, The resistance adjustment assembly includes a housing (5) fixedly installed inside the thermally conductive insulating tube (3). The housing (5) is cylindrical. A drive sleeve (6) is rotatably installed on one end face of the housing (5). The drive sleeve (6) is connected to the adjustment knob of the adjustable resistor.

5. The temperature regulating device according to claim 4, characterized in that, A sliding plate (7) is slidably installed inside the outer shell (5). A connecting shaft (8) is fixedly installed on the side wall of the sliding plate (7) facing the drive sleeve (6). The connecting shaft (8) is movably installed inside the drive sleeve (6). A slider (9) is fixedly installed on the outer circumference of the connecting shaft (8). A spiral groove (10) is opened on the inner wall of the drive sleeve (6) at a position opposite to the slider (9). An airbag (11) is provided on the side of the inner slide plate (7) of the outer shell (5) away from the connecting shaft (8), and the airbag (11) is filled with nitrogen.

6. The temperature regulating device according to claim 5, characterized in that, Two sliders (9) are symmetrically set.

7. The temperature regulating device according to claim 1, characterized in that, The thermally conductive insulating tube (3) is made of ceramic material.

8. The temperature regulating device according to claim 1, characterized in that, The heating element (1) is a heating tube, heating wire or carbon fiber heating tube.

9. The temperature regulating device according to claim 5, characterized in that, The airbag (11) is made of natural rubber.

10. An electric towel rack, comprising the temperature regulating device according to any one of claims 1-9, characterized in that, The electric towel rack includes two parallel longitudinal beams (12), and multiple crossbeams (13) are fixedly arranged between the two longitudinal beams (12). The longitudinal beams (12) and the crossbeams (13) are hollow structures. The crossbeams (13) are connected to the interior of the longitudinal beams (12), and the temperature regulating device is set inside the crossbeams (13).

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