CN215062396U

CN215062396U - Heating control circuit and heating equipment

Info

Publication number: CN215062396U
Application number: CN202120741619.3U
Authority: CN
Inventors: 喻涛林
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-04-12
Filing date: 2021-04-12
Publication date: 2021-12-07
Anticipated expiration: 2031-04-12

Abstract

The application discloses heating control circuit and heating installation, through inserting first heating resistor at alternating current power supply end, first hot protector, first switch, second switch and fan circuit, the heat that the fan produced first heating resistor is seen off with the form of warm braw, realize the heating to hand and health, and at first heating resistor, the both ends of first hot protector and second switch are parallelly connected to have second heating resistor, hot protector of second and third switch, can compromise the heating to the foot, the complete machine does not have the naked light, multiple switch protection, high durability and convenient use, it is energy-conserving safe again.

Description

Heating control circuit and heating equipment

Technical Field

The application relates to the technical field of electronic devices, in particular to a heating control circuit and heating equipment.

Background

In winter, people can feel very inconvenient in life such as work, study, leisure and the like due to cold, and particularly, when people sit for a long time, the bodies and limbs feel colder.

In order to realize the heating in winter, there is the heating installation to hand and foot specially on the market, nevertheless can't realize hand, health and foot and keep warm simultaneously, if use hand room heater and step room heater to keep warm simultaneously, will make the power too high, can't satisfy energy-conserving requirement.

Therefore, how to achieve foot warming and give consideration to hand and body warming, and energy saving and safety are technical problems to be solved urgently by technical personnel in the field.

SUMMERY OF THE UTILITY MODEL

In order to solve the technical problem, the utility model provides a technical scheme as follows:

a first object of the utility model is to provide a heating control circuit, include:

the device comprises an alternating current power supply end, a heating resistor, a thermal protector, a fan circuit and a switch;

the first heating resistor, the first thermal protector, the first switch and the second switch are connected in series with an alternating current power supply end;

fan circuits are further connected in parallel at two ends of the first heating resistor and the first thermal protector, each fan circuit comprises an AC-DC converter, a DC-DC converter, a speed regulator and a fan, and the AC-DC converter, the DC-DC converter, the speed regulator and the fan are connected in series;

the two ends of the first heating resistor, the first thermal protector and the second switch are also connected with a second heating resistor, a second thermal protector and a third switch in parallel, and the second heating resistor, the second thermal protector and the third switch are connected in series;

the first heating resistor is used for warming hands and bodies, and the second heating resistor is used for warming feet.

Preferably, the device further comprises a USB interface, and the USB interface is arranged at the output end of the AC-DC converter.

Preferably, the thermal protector further comprises a fourth switch, the fourth switch is arranged between the second thermal protector and the third switch in series, and the fourth switch is a manual temperature adjusting switch.

Preferably, the first heating resistor is a positive temperature coefficient thermistor, and the specific specification is 220V/200W.

Preferably, the second heating resistor is a resistance wire, and the specification is 220V/300W.

Preferably, the temperature of the thermal protector ranges from 0 to 65 ℃.

Preferably, the first switch is a manual timing switch with a timing range of 0-90 minutes.

Preferably, the second switch and the third switch are embodied as manual mechanical switches.

The second purpose of the utility model is to provide a heating installation, including box and ac plug, still including using above-mentioned heating control circuit.

Preferably, a foot heating area and a body heating area are arranged in the box body, height drop is arranged between the two areas in the box body, the body heating area is close to a user, the foot heating area is lower than the body heating area, and a heat-insulating cover plate is arranged at an opening of the box body above the foot heating area.

As can be seen from the above, the heating device of the present invention comprises a box body and an ac plug, wherein the ac power source terminal is connected with a first heating resistor, a first thermal protector, a first switch, a second switch and a fan circuit, so as to heat the hand and the body, and the two ends of the first heating resistor, the first thermal protector and the second switch are connected in parallel with a second heating resistor, a second thermal protector and a third switch, so as to heat the foot; the positive temperature coefficient thermistor with the specification of 220V/200W, the resistance wire with the specification of 220V/300W and the thermal protection at 65 ℃ are selected, the whole machine has no open fire, and the multi-switch protection is realized, so that the use is convenient, the energy is saved, and the safety is realized.

Drawings

In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments described in the present application, and other drawings can be obtained by those skilled in the art without creative efforts.

Fig. 1 is a circuit schematic diagram of a heating control circuit in an embodiment of the present invention;

FIG. 2 is a front view of a heating device according to an embodiment of the present invention;

FIG. 3 is a top view of a heating device according to an embodiment of the present invention;

FIG. 4 is a left side view of a heating device according to an embodiment of the present invention;

reference numerals: 1-a box body; 2-body heating area; 3-foot heating area; 4-heat preservation cover plate.

Detailed Description

In order to make those skilled in the art better understand the technical solutions in the present application, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only a part of the embodiments of the present application, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.

It will be understood that when an element is referred to as being "fixed" or "disposed" on another element, it can be directly on the other element or be indirectly disposed on the other element; when an element is referred to as being "connected to" another element, it can be directly connected to the other element or be indirectly connected to the other element.

It will be understood that the terms "length," "width," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like, refer to an orientation or positional relationship illustrated in the drawings for convenience in describing the present application and to simplify description, and do not indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the present application.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present application, "plurality" or "a plurality" means two or more unless specifically limited otherwise.

It should be understood that the structures, ratios, sizes, and the like shown in the drawings are only used for matching the disclosure of the specification, so as to be understood and read by those skilled in the art, and are not used to limit the practical limit conditions of the present application, so that the modifications of the structures, the changes of the ratio relationships, or the adjustment of the sizes, do not have the technical essence, and the modifications, the changes of the ratio relationships, or the adjustment of the sizes, are all within the scope of the technical contents disclosed in the present application without affecting the efficacy and the achievable purpose of the present application.

The embodiments of the present application are written in a progressive manner.

As shown in fig. 1, an embodiment of the present invention provides a heating control circuit, including: an alternating current power supply end P1, a heating resistor, a thermal protector, a fan circuit and a switch; the first heating resistor R1, the first thermal protector, the first switch S1 and the second switch S2 are connected in series with an alternating current power supply end; the two ends of the first heating resistor R1 and the first thermal protector are also connected with a fan circuit in parallel, the fan circuit comprises an AC-DC converter M1, a DC-DC converter M2, a speed regulator M3 and a fan B1, and the AC-DC converter M1, the DC-DC converter M2, the speed regulator M3 and the fan B1 are connected in series; a second heating resistor R2, a second thermal protector and a third switch S3 are also connected in parallel at two ends of the first heating resistor R1, the first thermal protector and the second switch S2, and the second heating resistor R2, the second thermal protector and the third switch S3 are connected in series; the first heating resistor R1 is used for warming hands and body, and the second heating resistor R2 is used for warming feet.

In the embodiment of the present invention, the first heating resistor R1, the first thermal protector, the first switch S1, the second switch S2 and the fan circuit are connected to the AC power source, the fan B1 sends out the heat generated by the first heating resistor R1 in the form of warm air, so as to heat the hands and the body, and the fan circuit specifically adopts the 12V AC-DC converter, the 12V DC-DC converter, the 12V brushless fan speed regulation circuit and the brushless fan; and the second heating resistor R2, the second thermal protector and the third switch S3 are connected in parallel at two ends of the first heating resistor R1, the first thermal protector and the second switch S2, so that the foot heating can be realized, the whole machine has no open fire, and the multi-switch protection is realized, so that the use is convenient, safe and reliable.

The embodiment of the utility model provides a heating control circuit preferably, still includes the USB interface, and the USB interface setting is at AC-DC converter M1's output. In this embodiment, a user may charge an external electrical appliance through a USB interface, such as a mobile phone and a mobile phone charger, where the USB interface is a 2.0 standard charging port.

The embodiment of the utility model provides a heating control circuit preferably, still includes fourth switch S4, and fourth switch S4 establishes ties and sets up between second thermal protector and third switch S3, and fourth switch S4 specifically is the manual switch that adjusts the temperature. In the embodiment, the manual temperature regulating switch steplessly regulates the output power of the electric heating wire, and the requirement of a user for controlling the cold and hot temperature of the foot is met.

The embodiment of the utility model provides a heating control circuit, preferably, first heating resistor R1 is Positive Temperature Coefficient thermistor (PTC), and specific specification is 220V 200W, and second heating resistor R2 specifically is the resistance wire, and specific specification is 220V 300W, and complete machine power is 0 ~ 500W adjustable, and best comfortable heating power is 300W.

The embodiment of the utility model provides a heating control circuit, preferably, the temperature range of hot protector is 0-65 ℃. In the embodiment, when the temperature of the circuit reaches 65 ℃, the power supply is automatically cut off, fire hazards are eliminated, and the circuit is safe and reliable.

The embodiment of the utility model provides a heating control circuit, preferably, first switch S1 is manual time switch, and the timing range is 0-90 minutes. In this embodiment, the setting of time switch can avoid the user to forget the shutdown after using, causes the waste of electric power resource, and is energy-concerving and environment-protective, and certainly, the timing scope is also not limited to only in 90 minutes, can also customize according to the demand.

The embodiment of the utility model provides a heating control circuit, preferably, second switch S2 and third switch S3 specifically are manual mechanical switch.

The detailed configuration of the heating control circuit is explained in detail in the above embodiment, and a heating apparatus to which the heating control circuit is applied will be explained below.

As shown in fig. 2 to 4, an embodiment of the present invention provides a heating device, which includes a box 1 and an ac plug, and further includes a heating control circuit using the above. In this embodiment, the box appearance sets up to the open cuboid in top, and the box is inside to be equipped with the regional 2 of health heating and the regional 3 of foot heating, and two regions have the height drop in the box is inside, and wherein, the regional user that is close to of health heating, the regional health heating that is less than of foot heating, accord with the ergonomic design that the user was sitting when using, and the heating is more effective. In addition, the box body opening above the foot heating area is provided with a heat preservation cover plate 4, so that heat loss is prevented, and the heat preservation and the energy conservation are realized.

The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. A heating control circuit, comprising:

the device comprises an alternating current power supply end, a heating resistor, a thermal protector, a fan circuit and a switch; the heating resistor comprises a first heating resistor and a second heating resistor, the thermal protector comprises a first thermal protector and a second thermal protector, and the switch comprises a first switch, a second switch and a third switch;

the first heating resistor, the first thermal protector, the first switch and the second switch are connected in series with the alternating current power supply end;

the two ends of the first heating resistor and the first thermal protector are also connected with the fan circuit in parallel, the fan circuit comprises an AC-DC converter, a DC-DC converter, a speed regulator and a fan, and the AC-DC converter, the DC-DC converter, the speed regulator and the fan are connected in series;

2. A heating control circuit according to claim 1, further comprising a USB interface provided at an output of the AC-DC converter.

3. A heating control circuit according to claim 1, further comprising a fourth switch arranged in series between the second thermal protector and the third switch, the fourth switch being in particular a manual temperature regulating switch.

4. A heating control circuit as claimed in claim 1, wherein the first heating resistor is a positive temperature coefficient thermistor, and is specified as 220V/200W.

5. The heating control circuit according to claim 1, wherein the second heating resistor is a resistance wire, and the specification is 220V/300W.

6. A heating control circuit as claimed in claim 1, wherein the temperature of the thermal protector is in the range of 0-65 ℃.

7. A heating control circuit as recited in claim 1 wherein said first switch is a manual timing switch with a timing range of 0-90 minutes.

8. Heating control circuit according to claim 1, characterized in that the second and third switches are in particular manual mechanical switches.

9. A heating appliance comprising a housing and an ac plug, further comprising a heating control circuit as claimed in any one of claims 1 to 8.

10. The heating installation according to claim 9, wherein the box body is provided with a foot heating area and a body heating area, the foot heating area and the body heating area are arranged in the box body and provided with a height difference, the body heating area is close to a user, the foot heating area is lower than the body heating area, and a heat insulation cover plate is arranged at the opening of the box body above the foot heating area.