CN218947917U

CN218947917U - Electric heating wire cutting bow

Info

Publication number: CN218947917U
Application number: CN202320009578.8U
Authority: CN
Inventors: 曹伟; 成家忠
Original assignee: Changzhou Canty Electric Industry Co ltd
Current assignee: Changzhou Canty Electric Industry Co ltd
Priority date: 2023-01-04
Filing date: 2023-01-04
Publication date: 2023-05-02
Anticipated expiration: 2033-01-04

Abstract

The utility model discloses an electric heating wire cutting bow, comprising: the electric heating device comprises a bow body and an electric heating wire, wherein a power supply module is arranged on the bow body and used for converting voltage and current, the input end of the power supply module is externally connected with a power supply, the output end of the power supply module is electrically connected with two ends of the electric heating wire, and the two ends of the electric heating wire are fixedly connected with two end parts of the bow body; the scheme has the characteristics of convenient use, strong flexibility and capability of effectively avoiding the problem of endurance.

Description

Electric heating wire cutting bow

Technical Field

The utility model relates to the field of foam cutting devices, in particular to a heating wire cutting bow.

Background

The electric heating wire cutting bow, also called foam electric heating wire cutting bow, sponge hot cutting bow, electric heating wire cutting machine, etc. is mainly used for cutting materials such as foam, sponge, extruded sheet, etc., and the high temperature emitted by the electric heating wire is utilized to carry out electric heating cutting on the materials. Because of the characteristics of simple structure, flexible and convenient operation and the like, the utility model is widely accepted and accepted by markets, and is widely used in the fields of construction, packaging, lost foam industry, foam sculpture, foam profiling cutting and the like.

At present, the electric heating wire cutting bows in the market are all powered by a transformer or a lithium battery. The transformer on the market at present is great in size, and weight is heavier, can't install on heating wire cutting bow body directly, and during actual operation, need connect the transformer through thick power cord to fix the transformer in other places, use inconvenient, the flexibility receives great restriction. Because of the different sizes of the materials being cut, the lengths of the heating wires are also different, and the required power is also different, a user may need to purchase multiple power sources to cope with different use environments. Because the size of the cut material is required, the whole length of the cutting bow is basically more than one meter, so that the cutting bow is larger in size, the heating wire is longer, the consumed energy is larger, and the problem of continuous voyage exists in lithium battery power supply. Accordingly, there is an urgent need to provide a heating wire cutting bow to solve the above-mentioned problems.

Disclosure of Invention

Therefore, the electric heating wire cutting bow which is convenient to use, high in flexibility and capable of effectively avoiding the problem of endurance is needed.

To achieve the above object, the present inventors provide a heating wire cutting bow comprising: the electric heating device comprises a bow body and an electric heating wire, wherein a power module is arranged on the bow body and used for converting voltage and current, the input end of the power module is externally connected with a power supply, the output end of the power module is electrically connected with two ends of the electric heating wire, and the two ends of the electric heating wire are fixedly connected with two end parts of the bow body.

As a preferable structure of the utility model, the bow body is provided with a switch, the switch is arranged on a connecting wire between the power supply module and the heating wire, and the connecting wire is arranged in the bow body.

As a preferable structure of the utility model, the bow body is provided with the jack, and the output end of the power supply module is respectively and electrically connected with the heating wire and the jack.

As a preferable structure of the utility model, the input end of the power supply module is externally connected with 220V alternating current through a power line.

As a preferable structure of the present utility model, the power module includes a housing and a circuit board, the circuit board is disposed in the housing, and a control circuit is disposed on the circuit board.

As a preferable structure of the present utility model, the control circuit includes a rectifying filter circuit, a driving magnetic ring, and a driving triode.

As a preferable structure of the utility model, the output end of the control circuit is provided with a load circuit, and the load circuit is provided with a plurality of loads, wherein one load is an electric heating wire.

As a preferable structure of the utility model, the output end of the control circuit is provided with a load circuit, the load circuit is provided with a first load and a second load, the first load is a jack arranged on the bow body and is used for externally connecting an electricity utilization module, and the second load is an electric heating wire.

As a preferable configuration of the present utility model, the first load and the second load are provided with independent switches, respectively.

As a preferable structure of the utility model, the shell is also provided with a radiating hole, and a fan control circuit and a radiating fan are arranged in the shell.

Compared with the prior art, the beneficial effects achieved by the technical scheme are as follows: the electric heating wire cutting bow in the structure effectively solves the problems of inconvenient use and poor flexibility of the traditional electric heating wire cutting bow, and the electric heating bow is provided with the power module on the bow body, so that the electric heating wire cutting bow has small size, light weight, easy replacement and direct external power supply, and can directly supply power to the electric heating wire after being converted by the power module, thereby effectively improving the flexibility of the electric heating wire cutting bow in use and facilitating use; in addition, the electric heating wire cutting knife in the structure is directly externally connected with a power supply through the power supply module, so that the problem that the conventional electric heating wire cutting knife is powered by a battery and has short endurance is solved; the heating wire cutting knife in this structure adopts power module as the adapter of external alternating current, converts high-voltage electricity into operating voltage, the electric current of heating wire to can not damage the heating wire when effectual assurance is supplied power the heating wire, for traditional transformer and battery powered, this structure adopts power module output more stable, thereby can effectual extension heating wire's life.

Drawings

Fig. 1 is a schematic view of a structure of a heating wire cutter according to an embodiment;

fig. 2 is a circuit diagram of a control circuit of the power module according to an embodiment.

Reference numerals illustrate:

101. a bow; 102. heating wires; 103. a power module; 104. a switch; 105. a jack; 106. a power line; 2. a control circuit; 201. a rectifying and filtering circuit; 202. a driving circuit; 203. driving the magnetic ring; 204. a drive transistor; 205. a load circuit; 206. a first load; 207. a second load; 208. a fan control circuit.

Detailed Description

In order to describe the technical content, constructional features, achieved objects and effects of the technical solution in detail, the following description is made in connection with the specific embodiments in conjunction with the accompanying drawings.

As shown in fig. 1 and 2, the present embodiment provides a heating wire cutting bow including: the bow body 101 and heating wire 102 are equipped with power module 103 on the bow body, and power module is used for voltage and current conversion, and power module's input external power supply, power module's output and heating wire both ends electric connection, heating wire both ends and bow body's both ends tip fixed connection.

In the above embodiment, the input end of the power module may be externally connected with 220V ac through the power cord 106; the bow body is provided with a switch 104, the switch 104 is arranged on a connecting wire between the power supply module and the heating wire, and the connecting wire is arranged in the bow body. Work that can effectual control heating wire opens through the switch stops, and will connect the connecting wire between power module and the heating wire to walk the line in the bow internal for after this power module installs the bow body, there is not the connecting wire that exposes, thereby effectually avoided traditional transformer and lithium cell power supply when, all have the connecting wire to expose, it is extremely inconvenient when leading to the use, and there is the potential safety hazard.

For the power module in the above embodiment, it includes a housing and a circuit board, the circuit board is disposed in the housing, and a control circuit 2 is disposed on the circuit board, and the control circuit is shown in fig. 2, and is used for converting externally input voltage and current into voltage and current required by the operation of the heating wire; the control circuit comprises a rectifying and filtering circuit 201, a driving circuit 202, a driving magnetic ring 203 and a driving triode 204. The output end of the control circuit is also provided with a load circuit 205, and the load circuit can be provided with a plurality of loads, wherein one load is an electric heating wire.

As shown in fig. 1, the bow body is provided with a jack 105, and the output end of the power module is respectively and electrically connected with the heating wire and the jack 105. As shown in fig. 2, in this embodiment, the output end of the control circuit is provided with a load circuit, the load circuit is provided with a first load 206 and a second load 207, the first load is a jack arranged on the bow body and is used for externally connecting an electricity utilization module, and the second load is an electric heating wire; through setting up first load, the jack promptly for heating wire cutting bow in this embodiment can also carry out indirect power supply for other power consumption modules, provides two kinds of different output through power module promptly, when satisfying self heating wire and using, can also supply power for other supplementary heating wire cutting bow equipment through setting up the jack. As shown in fig. 2, in the present embodiment, the first load and the second load are provided with independent switches, respectively; as shown in figure 1, the on-off of the electric heating wire and the electric current of the jack can be respectively controlled by a switch, such as a three-gear switch.

As shown in fig. 2, in this embodiment, the power module further includes a fan control circuit 208, that is, a heat dissipation hole can be formed in the housing of the power module, and heat is dissipated to the power module through the fan control circuit 208 and the heat dissipation fan, so that the service life of the power module can be effectively prolonged.

It should be noted that, although the foregoing embodiments have been described herein, the scope of the present utility model is not limited thereby. Therefore, based on the innovative concepts of the present utility model, alterations and modifications to the embodiments described herein, or equivalent structures or equivalent flow transformations made by the present description and drawings, apply the above technical solution, directly or indirectly, to other relevant technical fields, all of which are included in the scope of the utility model.

Claims

1. A heating wire cutting bow, comprising: the electric heating device comprises a bow body and an electric heating wire, wherein a power module is arranged on the bow body and used for converting voltage and current, the input end of the power module is externally connected with a power supply, the output end of the power module is electrically connected with two ends of the electric heating wire, and the two ends of the electric heating wire are fixedly connected with two end parts of the bow body.

2. The heating wire cutting bow of claim 1, wherein: the bow body is provided with a switch, the switch is arranged on a connecting wire between the power supply module and the heating wire, and the connecting wire is arranged in the bow body.

3. The heating wire cutting bow of claim 1, wherein: the bow body is provided with a jack, and the output end of the power supply module is respectively and electrically connected with the heating wire and the jack.

4. The heating wire cutting bow of claim 1, wherein: the input end of the power supply module is externally connected with 220V alternating current through a power line.

5. The heating wire cutting bow of claim 1, wherein: the power module comprises a shell and a circuit board, wherein the circuit board is arranged in the shell, and a control circuit is arranged on the circuit board.

6. The heating wire cutting bow of claim 5, wherein: the control circuit comprises a rectifying and filtering circuit, a driving magnetic ring and a driving triode.

7. The heating wire cutting bow of claim 5, wherein: the output end of the control circuit is provided with a load circuit, the load circuit is provided with a plurality of loads, and one load is an electric heating wire.

8. The heating wire cutting bow of claim 5, wherein: the output end of the control circuit is provided with a load circuit, the load circuit is provided with a first load and a second load, the first load is a jack arranged on the bow body and is used for externally connecting an electricity utilization module, and the second load is an electric heating wire.

9. The heating wire cutting bow of claim 8, wherein: the first load and the second load are respectively provided with an independent switch.

10. The heating wire cutting bow of claim 5, wherein: the shell is also provided with a radiating hole, and a fan control circuit and a radiating fan are arranged in the shell.