CN212810638U

CN212810638U - Power converter, electric heating element and electric appliance

Info

Publication number: CN212810638U
Application number: CN202021571243.8U
Authority: CN
Inventors: 刘俊曼; 陈保青; 黎军荣
Original assignee: Guangdong Tianhong New Mstar Technology Ltd
Current assignee: Guangdong Tianhong New Mstar Technology Ltd
Priority date: 2020-07-31
Filing date: 2020-07-31
Publication date: 2021-03-26
Anticipated expiration: 2030-07-31

Abstract

The utility model discloses a power converter, which comprises a conversion seat and a conducting strip, wherein the conversion seat is provided with an inserting seat, the inserting seat comprises a top wall and a side wall, the top wall, the side wall and the inserting seat are provided with slots, and the top wall is provided with a first limit groove; the conducting strip includes consecutive first connection piece, second connection piece, intermediate lamella and contact piece, and the second connection piece cooperates with the slot grafting, and the second connection piece is provided with first spacing piece, first spacing piece and the cooperation of first spacing groove joint. An electric heating element comprises the power converter. An electric appliance comprises the electric heating element. When the conducting strip is installed, the second connecting piece is inserted into the slot, when the first limiting piece corresponds to the first limiting groove in position, the first limiting piece recovers deformation, and the first limiting piece is inserted into the first limiting groove. When the conducting strip is replaced, only the first limiting piece is pressed towards the direction close to the conversion seat, then the conducting strip can be detached, and the new conducting strip is replaced, so that the conducting strip is convenient and quick to disassemble and assemble.

Description

Power converter, electric heating element and electric appliance

Technical Field

The utility model relates to the technical field of electrical apparatus, especially power converter, electric heating element and electrical apparatus.

Background

The heating element and the power supply lead are usually connected by soldering. The electric heating element can generate desoldering when being electrified and heated to a certain temperature through the connection mode of the soldering lead, so that the normal work and the normal service life of the electric appliance and equipment with the heating element are influenced, and the service temperature of the related electric appliance and equipment is limited.

In order to solve the problem of desoldering, a power converter made of plastic is connected with an electric heating element and a power supply in the prior art, a conductive sheet is arranged on a power supply conversion seat, an elastic conductive sheet is used, a connecting contact is arranged at one end of the conductive sheet, the other end of the conductive sheet is connected with the power supply, and the connecting contact is connected with a corresponding contact on the electric heating element, so that the electric heating element is prevented from being directly welded with a power supply lead, and the influence of high-temperature desoldering on the normal work of an electric appliance is avoided.

However, the conventional connection between the conductive sheet and the power conversion base is usually to place the conductive sheet in an injection molding mold of the power conversion base, and fix the conductive sheet while the power conversion base is injection molded. For the connection mode, in the follow-up maintenance of the electric appliance, the maintenance can be carried out only by replacing the whole power supply conversion seat, and materials are wasted.

SUMMERY OF THE UTILITY MODEL

The to-be-solved technical problem of the utility model is: a power converter and an electric heating element using the same are provided to solve one or more technical problems in the prior art and to provide at least one of the beneficial options and creation conditions.

The utility model provides a solution of its technical problem is:

the power converter comprises a conversion seat and a conducting strip, wherein the conversion seat is an insulating component, the conversion seat is provided with a plug socket, the plug socket comprises a top wall and a side wall, the side wall is fixedly connected with the conversion seat, the side wall is fixedly connected with one end, far away from the conversion seat, of the top wall, and slots are formed in the top wall, the side wall and the plug socket; the whole conducting strip is an elastic component, the conducting strip comprises a first connecting piece, a second connecting piece, a middle piece and a contact piece which are sequentially connected, the middle piece is bent, and the second connecting piece is in inserting fit with the slot; the top wall is connected with a first limiting piece, the first limiting piece comprises a first connecting end and a first hanging end, the first connecting end and the first hanging end are sequentially arranged in the direction that the second connecting piece is inserted into the slot, the first connecting end is fixedly connected with the top wall, the first hanging end is positioned in the slot, and the first limiting piece is an elastic component; the second connecting piece is provided with a first limiting groove, the first limiting groove penetrates through the second connecting piece, and the first limiting piece is in clamping fit with the first limiting groove.

Through the scheme, when the conducting strip is installed, the second connecting piece is inserted into the slot, when the first limiting piece corresponds to the first limiting groove in position, the first limiting piece recovers deformation because the first elastic piece is an elastic component, so that the first suspended end is inserted into the first limiting groove, and the reverse movement of the second connecting piece is limited. When the conducting strip needs to be replaced, only the hard sheet object needs to be used for enabling the first suspension end to move towards the direction far away from the conversion seat, then the second connecting piece can move reversely, the conducting strip can be detached and replaced, and the conducting strip is convenient and fast to disassemble and assemble.

As a further improvement of the above technical solution, the contact piece is fixedly connected with a conductive contact, the conductive contact is disposed on an end surface of the contact piece away from the conversion seat, and the conductive contact is an electric corrosion resistant and high temperature oxidation resistant member.

Through above-mentioned scheme, because electrically conductive contact need contact with other electric heating element repeatedly, the process of contact can produce great electric current to can produce high temperature at electric heating element during operation, adopt resistant electric corrosion, high temperature resistant oxidation's material to make electrically conductive contact can effectively prolong electrically conductive contact's life-span.

As a further improvement of the above technical solution, the conductive contact is a silver alloy member.

By the scheme, the conductive contact made of the silver alloy is not easy to oxidize and corrode.

As a further improvement of the above technical scheme, the top wall is further provided with a second limiting piece, the second limiting piece is an elastic component, the second limiting piece comprises a second connecting end and a second free end, the second connecting end is fixedly connected with the top wall, the second free end is located in the slot, the second connecting end and the second free end are arranged in the direction perpendicular to the direction in which the second connecting piece is inserted into the slot, the second limiting groove is formed in the second connecting piece, and the second limiting piece is in clamping fit with the second limiting groove.

Through above-mentioned scheme, the second connection piece is spacing to the second connection piece on the direction of perpendicular to second connection piece grafting direction, further reduces the displacement of second connection piece.

As a further improvement of the above technical solution, the first connecting piece is provided with a spring insertion hole matched with an external spring.

Through the scheme, the wire of the power supply is connected with the first connecting sheet through the inserting spring, and the installation is convenient.

An electric heating element comprises a heating body and the power converter, wherein the heating body is provided with a connecting contact, and the contact piece is abutted with the corresponding connecting contact.

An electric appliance comprises the electric heating element.

The utility model is used for electrical apparatus technical field.

Drawings

In order to more clearly illustrate the technical solution in the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly described below. It is clear that the described figures represent only some embodiments of the invention, not all embodiments, and that a person skilled in the art can also derive other designs and figures from these figures without inventive effort.

Fig. 1 is a schematic overall structure diagram of an embodiment of the present invention;

fig. 2 is a schematic diagram of an overall structure of a power converter according to an embodiment of the present invention;

fig. 3 is a schematic overall structure diagram of the conversion seat according to the embodiment of the present invention;

fig. 4 is a schematic view of the overall structure of the conductive sheet according to the embodiment of the present invention.

In the figure, 100, a conversion seat; 110. a socket; 111. a top wall; 112. a side wall; 113. a first limit groove; 114. a second limit groove; 115. a slot; 200. a conductive sheet; 210. a first connecting piece; 220. a second connecting sheet; 221. a first limiting sheet; 222. a second limiting sheet; 230. an intermediate sheet; 240. a contact pad; 241. a conductive contact; 300. a heating element.

Detailed Description

The conception, the specific structure, and the technical effects produced by the present invention will be clearly and completely described below in conjunction with the embodiments and the accompanying drawings to fully understand the objects, the features, and the effects of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, and not all embodiments, and other embodiments obtained by those skilled in the art without inventive labor based on the embodiments of the present invention all belong to the protection scope of the present invention. In addition, all the coupling/connection relationships mentioned herein do not mean that the components are directly connected, but mean that a better coupling structure can be formed by adding or reducing coupling accessories according to specific implementation conditions. All technical characteristics in the invention can be interactively combined on the premise of not conflicting with each other.

Referring to fig. 1 to 4, a power converter includes a conversion socket 100 and a conductive sheet 200. The adapter 100 is made of plastic and is formed by injection molding. Three connecting through holes are formed in the conversion seat 100. The conversion socket 100 is provided with a socket 110, and the socket 110 and the conversion socket 100 are integrally formed. The socket 110 includes a top wall 111 and a side wall 112, the top wall 111 is disposed at an end of the side wall 112 away from the switch seat 100, and the top wall 111 and the side wall 112 are fixedly connected. The top wall 111, the side wall 112 and the switch seat 100 form a slot 115 therebetween.

The top wall 111 is provided with a first limiting piece 221 and a second limiting piece 222, the first limiting piece 221 includes a first connecting end and a first suspending end, the first connecting end is fixedly connected with the top wall 111, the first suspending end is located in the slot 115, the first limiting piece 221 is inclined compared with the top wall 111, and the first connecting end is located on one side of the first suspending end away from the side wall 112. The second limiting piece 222 includes a second connecting end and a second suspending end, the second connecting end is fixedly connected to the second connecting piece 220, the second suspending end is far away from the converting base 100, the second limiting piece 222 is inclined relative to the top wall 111, and the arrangement direction of the second suspending end and the second connecting end is perpendicular to the arrangement direction of the first suspending end and the first connecting end.

The conductive sheet 200 includes a first connection piece 210, a second connection piece 220, a middle piece 230, and a contact piece 240, and the first connection piece 210, the second connection piece 220, the middle piece 230, and the contact piece 240 are connected in this order. One end of the first connecting piece 210, which is far away from the second connecting piece 220, is provided with a spring insertion hole, and the spring insertion hole is in clamping fit with a positioning piece of the spring insertion to fix the spring insertion and the first connecting piece 210. The second connecting piece 220 is inserted into the slot 115. The second connecting piece 220 is formed with a first limiting groove 113 and a second limiting groove 114. The first limiting groove 113 is engaged with the first limiting piece 221, and the second limiting groove 114 is engaged with the second limiting piece 222.

The middle sheet 230 is in a folded design in the shape of "Contraband". The end of the contact sheet 240 away from the adapter is fixedly connected with a conductive contact 241 made of silver alloy, and in other embodiments, a conductive contact 241 made of silver-plated material, silver-copper composite material, or the like may also be used.

An electric heating element comprises the power converter and the heating element 300, wherein the heating element 300 is provided with connecting contacts, and the connecting contacts are in one-to-one correspondence with the contact pieces 240 and are mutually abutted. The connection through hole of the conversion base 100 is provided with a screw, and the screw penetrating the connection through hole is connected with the thread of the electric heating element to fix the conversion base 100.

An electric appliance is internally provided with the electric heating element.

While the preferred embodiments of the present invention have been described in detail, it will be understood by those skilled in the art that the invention is not limited to the details of the embodiments shown, but is capable of various modifications and substitutions without departing from the spirit of the invention.

Claims

1. A power converter, characterized by: the conversion seat comprises a conversion seat (100) and a conducting strip (200), wherein the conversion seat (100) is an insulating component, the conversion seat (100) is provided with a plug socket (110), the plug socket (110) comprises a top wall (111) and a side wall (112), the side wall (112) is fixedly connected with the conversion seat (100), the side wall (112) is fixedly connected with one end, far away from the conversion seat (100), of the top wall (111), and a slot (115) is formed in the top wall (111), the side wall (112) and the plug socket (110); the whole conducting strip (200) is an elastic component, the conducting strip (200) comprises a first connecting piece (210), a second connecting piece (220), a middle piece (230) and a contact piece (240) which are sequentially connected, the middle piece (230) is bent, and the second connecting piece (220) is in inserting fit with the slot (115); the top wall (111) is connected with a first limiting piece (221), the first limiting piece (221) comprises a first connecting end and a first hanging end, the first connecting end and the first hanging end are sequentially arranged in the direction that the second connecting piece (220) is inserted into the slot (115), the first connecting end is fixedly connected with the top wall (111), the first hanging end is located in the slot (115), and the first limiting piece (221) is an elastic component; the second connecting piece (220) is provided with a first limiting groove (113), the first limiting groove (113) penetrates through the second connecting piece (220), and the first limiting piece (221) is in clamping fit with the first limiting groove (113).

2. The power converter of claim 1, wherein: the contact piece (240) is fixedly connected with a conductive contact (241), the conductive contact (241) is arranged on the end face, far away from the conversion seat (100), of the contact piece (240), and the conductive contact (241) is an electric corrosion resistant and high temperature oxidation resistant component.

3. The power converter of claim 2, wherein: the conductive contact (241) is a silver alloy member.

4. The power converter of claim 1, wherein: roof (111) still is provided with second spacing piece (222), spacing piece of second (222) is elastic component, spacing piece of second (222) includes second link and second free end, second link and roof (111) fixed connection, the second free end is located slot (115), second link and second free end are arranged in the direction that slot (115) was inserted in perpendicular to second connection piece (220), second spacing groove (114) have been seted up on second connection piece (220), spacing piece of second (222) and second spacing groove (114) joint cooperation.

5. The power converter of claim 1, wherein: the first connecting sheet (210) is provided with a spring inserting hole matched with an inserting spring arranged outside.

6. An electrical heating element, characterized by: comprising a heat-generating body (300) and a power converter as claimed in any one of claims 1 to 5, said heat-generating body (300) being provided with connection contacts, said contact pads (240) being in abutment with corresponding connection contacts.

7. An electrical appliance, characterized by: comprising an electrical heating element according to claim 6.