CN211177012U

CN211177012U - Low-voltage heat effect electric heater

Info

Publication number: CN211177012U
Application number: CN201921649021.0U
Authority: CN
Inventors: 王金良; 王泽慧; 王泽隆
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-09-30
Filing date: 2019-09-30
Publication date: 2020-08-04
Anticipated expiration: 2029-09-30

Abstract

The utility model relates to a low voltage heat effect electric heater, belonging to the technical field of heat treatment and equipment, comprising a heat dissipation shell, a heating module, a power supply module and a control module which are arranged in the heat dissipation shell, wherein the heating module comprises a heating wire, the length of the heating wire is more than 5m, and the wire diameter range is 0.1-0.9 mm; the power supply module is a step-down transformer connected with a power supply, and the output end of the step-down transformer is connected with the heating wire after being connected with the line control switch in series. The electric heater adopts 36V low working voltage, and has the characteristics of safety, energy conservation, convenience, low cost, no pollution and the like.

Description

Low-voltage heat effect electric heater

Technical Field

The utility model belongs to the technical field of thermal treatment and equipment, a electric heater is related to, specifically is low voltage heat effect electric heater, adopts the circular telegram of various metal conductor to produce the heat effect.

Background

At present, the heating mode in winter in northern areas of China is generally central heating, so that the people are warmed in winter, but some problems also exist: firstly, a user cannot control a heating switch and select the heating according to the actual weather condition, so that the user has no autonomy and is easy to cause resource waste; the second heating is expensive and has poor economy; thirdly, for some remote areas, the cost of building and maintaining heating equipment is high, and the implementation is insufficient; fourth, air pollution is easily caused.

The electric heater can make up for the defects, a user can control the use of the electric heater, and the electric heater can be widely applied to various civil and public buildings such as houses, offices, hotels, markets, hospitals, train carriages and the like for mobile heating, simple movable houses and the like. It is common in the market at present that the electric heater mainly is five types: the device comprises a reflection type far infrared electric heater, a warm air blower, an oil heater type electric heater, an European fast heating furnace and an European electric heater. However, the working voltage of these electric heaters is 220V, and the voltage is too high, unsafe, and has the defect of too much power consumption.

SUMMERY OF THE UTILITY MODEL

The utility model overcomes prior art's defect has designed a low voltage heat effect electric heater, and this electric heater adopts 36V low operating voltage, and intensive winding enameled wire generates heat, has safe, energy-conserving, convenient, the expense is low, pollution-free characteristics.

The utility model discloses a concrete technical scheme is:

the utility model provides a low voltage heat effect electric heater, includes radiating shell and sets up the module, power module and the control module that generate heat in radiating shell, the key point is: the heating module comprises a heating wire, the length of the heating wire is more than 5m, and the wire diameter range is 0.1-0.9 mm; the power supply module is a step-down transformer (3) connected with a power supply, and the output end of the step-down transformer (3) is connected with the heating wire after being connected with the line control switch (9) in series.

The heating wire adopts an enameled wire (5), the wire diameter of the enameled wire (5) is 0.5mm, and the length of the enameled wire is 210-590 m.

The heating wire adopts an enameled wire (5), the wire diameter of the enameled wire (5) is 0.6mm, and the length is 320-870 m.

The control module comprises a controller and a control switch, wherein the output end of the controller is connected with the input end of the control switch, and the control switch is connected with the line control switch in series.

The controller also comprises a timer, and the output end of the timer is connected with the input end of the controller.

The controller also comprises a temperature sensor, and the output end of the temperature sensor is connected with the input end of the controller.

The heat dissipation shell is internally provided with a core body, and the enameled wire is wound on the core body.

The heat dissipation shell is divided into two cavities by virtue of a partition plate, and the heating module and the power supply module are respectively placed in the two cavities.

The front side of the heat dissipation shell is provided with a vertical hinged door.

The core body is in a cuboid shape.

A gap of 10mm is reserved between the bottom plate of the heat dissipation shell and the vertical hinged door.

A gap of 10mm is reserved between the partition plate and the vertical hinged door.

The utility model has the advantages that: the device adopts 36V safe voltage, and the heating of generating heat through intensive winding enameled wire forms neotype low pressure fuel factor electric heater, and this electric heater has safe energy-concerving and environment-protective characteristics.

The step-down transformer in the device converts 220V household voltage into 36V working voltage, so as to increase the safety coefficient of the utility model; the low-voltage power supply ensures that the power of the power supply is very low, and the power supply has three types of power, namely 15W, 25W and 40W temporarily, so that the energy-saving effect is realized; the enameled wire is tightly wound, so that the space utilization rate is improved, the high heat accumulation can be realized, the temperature rise is accelerated, and the heat consumption is reduced; a temperature sensor is arranged in the electric heater, when the temperature reaches the set temperature of 24 ℃, the controller enables the control switch to be switched off, the temperature is ensured not to be continuously raised, and the circuit is prevented from being burnt out due to overheating of a heat supply area; the wire control switch can be far away from the heat dissipation shell, so that the wire control switch is not influenced by the high temperature of the electric heater; the line control switch and the timer are arranged in the same switch box, so that the electric heater has a timing function and is convenient to time; a vertical hinged door is arranged on the front side of the heat dissipation shell, so that the detection of a circuit and the replacement of devices are facilitated; the core body is a cuboid, and the rectangle with the same area is longer than the circumference, so that a longer enameled wire can be wound; a gap of 10mm is reserved between the bottom plate and the partition plate of the heat dissipation shell and the vertical hinged door respectively, so that heat dissipation is facilitated, and mice can be prevented from entering and gnawing circuits.

Drawings

Fig. 1 is a schematic structural diagram of the present invention.

Fig. 2 is an enlarged view of a in fig. 1.

Fig. 3 is a schematic block diagram of the present invention.

In the attached drawing, the device comprises a heat dissipation shell 1, a heat dissipation shell 2, a partition plate 3, a step-down transformer 4, a core body 5, an enameled wire 6, a temperature sensor 7, a vertical hinged door 8, a switch box 9, a line control switch 10 and a timer.

Detailed Description

The present invention will be further described with reference to the accompanying drawings and specific embodiments.

Embodiment 1, as shown in fig. 1, a low-voltage thermal effect electric heater includes a power supply, a line control switch 9, a heat dissipation casing 1, a step-down transformer 3, a core 4, an enamel wire 5, a temperature sensor 6, a timer 10, a controller and a control switch, where the size of a shell of the heat dissipation casing 1 is 300mm × 150mm × 600mm, a partition plate 2 is disposed in the heat dissipation casing 1, the step-down transformer 3 and the temperature sensor 6 are disposed below the partition plate 2, a cuboid core 4 made of a metal material is disposed above the partition plate 2, the size of the core 4 is 80mm × 120mm × 340mm, the enamel wire 5 is wound on the surface of the core 4, a vertical hinged door 7 is disposed on the front side of the heat dissipation casing 1, gaps 10mm are left between the partition plate 2 and a bottom plate of the heat dissipation casing 1 and the vertical hinged door 7 respectively, a switch box 8 is disposed outside the heat dissipation casing 1, the line control switch 9, the timer 10 and the controller are disposed in the switch box 8, as shown in fig. 2, a relay is used as the control switch, the relay is disposed inside.

When the utility model is used specifically, after the power is switched on, 220V voltage is converted into 36V safe working voltage through the step-down transformer 3, so that the safety factor of the electric heater is increased; the wire control switch is closed, when the temperature rises, the temperature sensor 6 transmits a signal to the controller, the controller compares the signal with a set temperature value of 24 ℃ in the memory, and when the actual temperature is more than or equal to 24 ℃, the controller controls the relay coil to be electrified, so that the normally closed contact is disconnected, the power supply of the power supply module to the enameled wire 5 is cut off, the electric heater is prevented from being damaged due to overheating, and the indoor temperature can be prevented from being too high; meanwhile, the timer 10 can be used for timing, when the set time is reached, the controller controls the relay coil to be electrified, so that the normally closed contact is disconnected, the power supply module is cut off to the enameled wire 5, the timing control of the electric heater is realized, and the operation is simple; when the switch by wire is closed, when the relay touches the electric shock contact, the enameled wire 5 of winding on the core 4 is switched on, and the electric current flows through enameled wire 5 and generates heat, because enameled wire 5 twines closely to can gather a large amount of heats under the less condition of power, make the temperature rise, improve space utilization, reduce heat consumption. The enameled wire 5 used above is an aluminum enameled wire with a wire diameter of 0.6mm and a length of 850-870m, and the power is 15W.

In example 2, based on example 1, the size of the outer shell of the heat dissipation housing 1 is changed to 350mm × 150mm × 600mm, the enameled wire 5 used is an aluminum enameled wire, the wire diameter is 0.6mm, the length is 510 mm and 520m, and the power is 25W.

Example 3, based on example 1, the size of the outer shell of the heat dissipation housing 1 is changed to 350mm × 150mm × 600mm, the enameled wire 5 used is an aluminum enameled wire, the wire diameter is 0.6mm, the length is 320-330m, and the power is 40W.

Example 4, based on example 1, the size of the outer shell of the heat dissipation housing 1 is 300mm × 150mm × 600mm, the enameled wire 5 used is an aluminum enameled wire, the wire diameter is 0.5mm, the length is 570-590m, and the power is 15W.

Example 5, based on example 1, the size of the outer shell of the heat dissipation housing 1 is changed to 350mm × 150mm × 600mm, the enameled wire 5 used is an aluminum enameled wire, the wire diameter is 0.5mm, the length is 340-360m, and the power is 25W.

Example 6, based on example 1, the size of the outer shell of the heat dissipation housing 1 is changed to 350mm × 150mm × 600mm, the enameled wire 5 used is an aluminum enameled wire, the wire diameter is 0.5mm, the length is 210 mm and 230m, and the power is 40W.

Example 7 in addition to example 1, the size of the heat dissipating case 1 was changed to 350mm × 150mm × 600mm, and the heating wire used was an iron wire having a wire diameter of 0.2mm and a length of 5 to 6m, and the power was 60W.

In the above 7 groups of embodiments, the heat generation amount per hour corresponding to the electric heaters with different powers is shown in the following table:

power of	Generates heat every hour (cal)
		36V 15W	12960
36V 25W	21600
		36V 40W	34560
36V 60W	51840

Claims

1. The utility model provides a low voltage heat effect electric heater, includes radiating shell (1) and sets up heating module, power module and the control module in radiating shell (1), its characterized in that: the heating module comprises a heating wire, the length of the heating wire is more than 5m, and the wire diameter range is 0.1-0.9 mm; the power supply module is a step-down transformer (3) connected with a power supply, and the output end of the step-down transformer (3) is connected with the heating wire after being connected with the line control switch (9) in series.

2. A low voltage thermal effect electric heater according to claim 1, characterized in that: the heating wire adopts an enameled wire (5), the wire diameter of the enameled wire (5) is 0.5mm, and the length of the enameled wire is 210-590 m.

3. A low voltage thermal effect electric heater according to claim 1, characterized in that: the heating wire adopts an enameled wire (5), the wire diameter of the enameled wire (5) is 0.6mm, and the length is 320-870 m.

4. A low voltage thermal effect electric heater according to claim 1, characterized in that: the control module comprises a controller and a control switch, the output end of the controller is connected with the input end of the control switch, and the control switch is connected with the line control switch (9) in series.

5. The low voltage thermal effect electric heater of claim 4, wherein: the controller also comprises a timer (10), and the output end of the timer (10) is connected with the input end of the controller.

6. The low voltage thermal effect electric heater of claim 4, wherein: the controller also comprises a temperature sensor (6), and the output end of the temperature sensor (6) is connected with the input end of the controller.

7. A low voltage thermal effect electric heater according to claim 1, characterized in that: a core body (4) is arranged in the heat dissipation shell (1), and an enameled wire (5) is wound on the core body (4).

8. A low voltage thermal effect electric heater according to claim 1, characterized in that: the heat dissipation shell (1) is divided into two cavities by means of the partition plate (2), and the heating module and the power supply module are respectively placed in the two cavities.

9. A low voltage thermal effect electric heater according to claim 1, characterized in that: a vertical hinged door (7) is arranged on the front side of the heat dissipation shell (1).

10. A low voltage thermal effect electric heater according to claim 7, characterized in that: the core (4) is rectangular.