CN217338388U

CN217338388U - Electric heating towel rack with electric leakage protection function

Info

Publication number: CN217338388U
Application number: CN202220969186.1U
Authority: CN
Inventors: 吴剑斌; 殷德稳; 王通
Original assignee: Jiangxi Avonflow Heating Ventilation Technology Co ltd
Current assignee: Jiangxi Avonflow Heating Ventilation Technology Co ltd
Priority date: 2022-04-25
Filing date: 2022-04-25
Publication date: 2022-09-02
Anticipated expiration: 2032-04-25

Abstract

An electric heating towel rack with an electric leakage protection function comprises a rack body, wherein a heating element is arranged in a vertical pipe of the rack body and is connected to a temperature controller, the temperature controller comprises a shell, a control circuit board is arranged in the shell, and the heating element is electrically connected with the control circuit board; the power line is connected to the control circuit board through a connecting line; the control circuit board is provided with a leakage protector integrated module and a zero sequence current transformer, the zero sequence current transformer is electrically connected with the leakage protector integrated module, the leakage protector integrated module is electrically connected with the control circuit board, and the connecting wire penetrates through the zero sequence current transformer. The utility model adds the zero sequence current transformer and the leakage protector integrated module on the prior towel rack, so that the electric heating towel rack can be quickly powered off when the electric leakage occurs, and the human life can be ensured not to be hurt when the electric leakage accident occurs; compared with the leakage protection plug, the cost is lower and the aesthetic feeling is better.

Description

Electric heating towel rack with electric leakage protection function

Technical Field

The utility model relates to a towel rail field, concretely relates to electric heat towel rail with earth leakage protection function.

Background

Along with the development of science and technology, electrical products are more and more in types, people's life is more and more unable to leave the electricity, people are in contact with household appliances at no time and no time in daily life, but everybody knows that as long as the electrical products have the electric leakage risk inevitably, according to 2020 year statistics, the number of people who die of our country family because of electric leakage electric shock accidents reaches 8000, the potential safety hazard of electric leakage of the electrical products is not neglected, and the electric heating towel rack belongs to the electrical products of high-frequency use in the electrical appliances, and the electric leakage safety risk is higher because the electric heating towel rack needs to be contacted and used for many times every day.

At present, most of traditional electric heating towel rack products at home and abroad do not have an electric leakage protection function, and few electric heating towel rack products with the electric leakage protection function replace a plug with an electric leakage protection plug, but the electric leakage protection plug has higher cost improvement and lacks market competitiveness compared with a conventional plug, so that the product is extremely unattractive.

In order to solve above domestic and abroad traditional electric heat towel rail product majority do not take the earth leakage protection function to and make product cost increase with the conventional plug of hourglass guarantor plug replacement, reduce the market competition of product, also make the product extremely not pleasing to the eye scheduling problem, the utility model provides an electric heat towel rail with earth leakage protection function.

Disclosure of Invention

According to the problem that the background art provided, the utility model provides an electric heat towel rail with earth leakage protection function solves, it is right next the utility model discloses do further to explain.

An electric heating towel rack with an electric leakage protection function comprises a rack body, wherein a heating element is arranged in a vertical pipe of the rack body and is connected to a temperature controller, the temperature controller comprises a shell, a control circuit board is arranged in the shell, and the heating element is electrically connected with the control circuit board; the power line is connected to the control circuit board through a connecting line; the control circuit board is provided with a leakage protector integrated module and a zero sequence current transformer, the zero sequence current transformer is electrically connected with the leakage protector integrated module, the leakage protector integrated module is electrically connected with the control circuit board, and the connecting wire penetrates through the zero sequence current transformer.

Further, a power line gets power from a household power supply, and a circuit penetrates through the zero sequence current transformer.

Further, the heating body can select a heating rod or a heating wire.

Furthermore, the casing includes back lid and touch screen connected, and the touch screen is used for showing and touch-control.

Furthermore, the control circuit board is fixed in the screw hole of the rear cover through a screw, and the touch screen is also fixed on the through hole of the rear cover through a screw.

Further, the heating body is fixedly connected with the rear cover.

Furthermore, a sealing plug is arranged in a screw hole of the rear cover of the temperature controller; coating a sealant on the matched edge of the rear cover and the touch screen; the rear cover is provided with a quick plug, the quick plug is electrically connected with the control circuit board in the shell, and the quick plug is electrically connected with the power line outside the shell. And the humidity in the working environment of the zero sequence current transformer is ensured to be proper.

Furthermore, the back lid adopts aluminium, and the purpose makes sealed temperature controller have outside radiant heat, avoids inside components and parts to generate heat and leads to the high temperature.

Has the advantages that: compared with the prior art, the utility model adds the zero sequence current transformer and the leakage protector integrated module on the prior towel rack, so that the electric heating towel rack can be quickly powered off when the electric leakage occurs, and the reaction time is less than a second, thereby ensuring that the human life is not hurt when the electric leakage accident occurs; compared with a leakage protection plug, the cost is lower, and the zero sequence current transformer and the leakage protector integrated module are arranged in the temperature controller, so that the aesthetic feeling of a product is guaranteed.

Drawings

FIG. 1: the structure of the utility model is shown in an explosion diagram;

FIG. 2 is a schematic diagram: the structure at A in FIG. 1 is enlarged schematically;

in the figure: the electric leakage protector comprises a frame body 1, a heating body 2, a power line 3, a rear cover 4, a screw 5, a sealing plug 6, a touch screen 7, a control circuit board 8, an electric leakage protector integrated module 9, a zero sequence current transformer 10, a live wire 11 and a zero line 12.

Detailed Description

A specific embodiment of the present invention will be described in detail with reference to the accompanying drawings.

An electric heating towel rack with an electric leakage protection function comprises a rack body 1 for hanging towels, wherein the rack body can be an existing towel rack in any form and is arranged on a wall body when in use, a vertical pipe of the rack body 1 is internally provided with a heating body 2, and the heating body heats after being electrified, so that the temperature of an inner cavity of the rack body 1 rises, and the hung towels are dried; the heating body 2 is connected to the temperature controller and generates heat under the control of the temperature controller.

The temperature controller comprises a shell, a control circuit board 8 is arranged in the shell, the control circuit board is connected with a leakage protector integrated module 9 and a zero sequence current transformer 10 besides an electronic circuit and elements which are required to be arranged conventionally by the temperature controller, a power line 3 is connected to the control circuit board 8 through a connecting line, and the connecting wire passes through the zero sequence current transformer 10, the zero sequence current transformer 10 is used for monitoring the change of magnetic flux, the zero sequence current transformer 10 is electrically connected with the leakage protector integrated module 9, the zero sequence current transformer 10 generates an electric signal and transmits the electric signal to the leakage protector integrated module 9 when the magnetic flux changes, the leakage protector integrated module 9 is electrically connected with the control circuit board 8, the signal is transmitted to the control circuit board 8 after being processed, meanwhile, the heating body 2 is electrically connected with the control circuit board 8, and the control circuit board 8 cuts off the power supply of the electric leakage equipment.

The utility model discloses increase zero sequence current transformer and earth-leakage protector collection moulding piece on the temperature controller, earth-leakage protector collection moulding piece detects the leakage signal that passes on live wire and the zero line in the zero sequence current transformer, according to kirchhoff's law, the current that flows into zero sequence current transformer is 0 basically, when leakage signal produces, and zero sequence current transformer (ZCT) detects the signal of telecommunication, and its secondary coil output is as earth-leakage protector collection moulding piece's input, and the leakage signal is AC type electric leakage wave form. When the RMS value of the leakage current is larger than the rated current (RMS) specified by the leakage protector, the silicon controlled rectifier connected with the latch circuit is triggered to act, and then the power supply of the electric leakage equipment is cut off, so that the instantaneous leakage protection effect is achieved.

The power supply line for taking electricity from the household generally comprises a live wire 11 and a zero line 12, and the zero sequence current transformer detects leakage signals on the live wire 11 and the zero line 12 which penetrate through the zero sequence current transformer and transmits the leakage signals to the leakage protector integrated module 9 to trigger the action of the silicon controlled rectifier so as to cut off the power supply of the leakage equipment.

The heating body can be a heating rod or a heating wire.

The shell comprises a rear cover 4 and a touch screen 7 which are connected, and the touch screen 7 is used for displaying and touching.

The control circuit board 8 is fixed in the screw hole of the rear cover 4 through the screw 5, and the touch screen 7 is also fixed on the through hole of the rear cover 4 through the screw 5.

The heating element 2 is fixedly connected with the rear cover 4, and the heating element 2 is arranged at the bottom of the vertical pipe of the frame body 1.

It should be noted that, the operating environment of the zero sequence current transformer 10 has a requirement for relative humidity, and the relative humidity of air is required to be not more than 90% at normal temperature (25 ℃), and not more than 50% at 40 ℃, while the towel rack is generally installed in a bathroom or a toilet, and the air humidity is large, in this embodiment, the operating environment humidity of the zero sequence current transformer 10 is suitable, and the casing of the thermostat is subjected to sealing treatment, specifically: set up sealing plug 6 in the screw hole of lid 4 behind the temperature controller, the sealed glue of cooperation edge coating of back lid 4 and touch-control screen 7 sets up fast plug on the back lid 4, and fast plug is connected with control scheme board 8 electricity in the casing, is connected with the power cord electricity outside the casing, has avoided setting up the power cord hole on back lid 4.

The back cover 4 is made of aluminum material with light weight, high strength and good heat conductivity, and aims to enable the sealed temperature controller to have outward radiant heat and avoid overhigh temperature caused by heating of internal components.

The leakage protection function is arranged in the temperature controller, so that the cost can be reduced, the competitiveness is improved, and the attractiveness of the product is ensured.

The utility model adds the zero sequence current transformer and the leakage protector integrated module on the prior towel rack, so that the electric heating towel rack can be quickly powered off when the electric leakage occurs, the reaction time is less than 0.1 second, and the human life can be ensured not to be damaged when the electric leakage accident occurs; compared with a leakage protection plug, the cost is lower, and the zero sequence current transformer and the leakage protector integrated module are arranged in the temperature controller, so that the aesthetic feeling of a product is guaranteed.

The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. An electric heating towel rack with an electric leakage protection function comprises a rack body (1), wherein a heating element (2) is arranged in a vertical pipe of the rack body (1), the heating element (2) is connected to a temperature controller, the temperature controller comprises a shell, a control circuit board (8) is arranged in the shell, and the heating element (2) is electrically connected with the control circuit board (8); the method is characterized in that:

the power line (3) is connected to the control circuit board (8) through a connecting line;

the control circuit board is provided with a leakage protector integrated module (9) and a zero sequence current transformer (10), the zero sequence current transformer (10) is electrically connected with the leakage protector integrated module (9), the leakage protector integrated module (9) is electrically connected with the control circuit board (8), and a connecting wire penetrates through the zero sequence current transformer (10).

2. An electrically heated towel rack according to claim 1, wherein: the power line (3) is powered from a household power supply, and the line penetrates through the zero sequence current transformer (10).

3. An electrically heated towel rack according to claim 1, wherein: the heating body can be a heating rod or a heating wire.

4. An electrically heated towel rack according to claim 1, wherein: the shell comprises a rear cover (4) and a touch screen (7) which are connected, and the touch screen (7) is used for displaying and touching.

5. An electrically heated towel rack according to claim 4, wherein: the control circuit board (8) is fixed in a screw hole of the rear cover (4) through a screw (5), and the touch screen (7) is also fixed on a through hole of the rear cover (4) through the screw (5).

6. An electrically heated towel rack according to claim 5, wherein: the heating body (2) is fixedly connected with the rear cover (4).

7. An electrically heated towel rack according to claim 6, wherein:

a sealing plug (6) is arranged in a screw hole of the temperature controller rear cover (4);

the matched edges of the rear cover (4) and the touch screen (7) are coated with sealant;

the rear cover (4) is provided with a quick plug, the quick plug is electrically connected with the control circuit board (8) in the shell, and the quick plug is electrically connected with the power line outside the shell.

8. An electrically heated towel rack according to claim 7, wherein: the rear cover (4) is made of aluminum.