CN210359726U

CN210359726U - Contravariant arc-welding set with electric leakage alarm function

Info

Publication number: CN210359726U
Application number: CN201920731285.4U
Authority: CN
Inventors: 陈治材
Original assignee: Chengdu Peak Power Supply Co ltd
Current assignee: Chengdu Peak Power Supply Co ltd
Priority date: 2019-05-21
Filing date: 2019-05-21
Publication date: 2020-04-21
Anticipated expiration: 2029-05-21

Abstract

The utility model discloses an contravariant arc-welding machine with electric leakage alarm function, including the box, install control switch, adjust knob and the socket of terminal surface before the box and install at the inboard plug of socket, two sets of electrical connection posts are installed to the outside bilateral symmetry of box, the top center department of box installs the alarm box, the outside of socket is the annular through the pivot and rotates the spacing cardboard that is connected with the multiunit and is L type structure. The utility model discloses in, at first, inside electric leakage alarm mechanism that is provided with, this kind of structure can promote and warn operating personnel when the box electric leakage, has both reduced the production of operating personnel electric shock phenomenon, has also promoted contravariant arc welding machine's safety in utilization simultaneously, and secondly, inside is provided with connects the closure structure, and this kind of structure can not only reduce the production that the plug rocked the obscission with plug pressure closure in the inboard of socket, also promotes articulate stability simultaneously.

Description

Contravariant arc-welding set with electric leakage alarm function

Technical Field

The utility model relates to an contravariant arc-welding machine technical field especially relates to an contravariant arc-welding machine with electric leakage alarm function.

Background

An inverter type arc welding power supply, also known as an arc welding inverter, is a novel welding power supply. The power supply generally converts three-phase power frequency AC network voltage into DC through rectification and filtering by an input rectifier, inverts the DC into intermediate frequency AC voltage of several kHz to dozens of kHz through the alternate switching action of a high-power switch electronic element, reduces the voltage to dozens of V suitable for welding through a transformer, and then rectifies the DC again and outputs stable DC welding current through reactance filtering.

The existing inverter arc welding machine has the defects that firstly, an electric leakage alarm mechanism is not arranged inside, when the box body leaks electricity, the operation personnel cannot be prompted, the electric shock phenomenon of the operation personnel is easily caused, the safety is poor, secondly, a connection locking structure is not arranged inside, when the connector is connected into the socket, the connector is easily separated under the action of external force, and the connection stability is poor.

Disclosure of Invention

The utility model aims to provide a: the inverter arc welding machine with the electric leakage warning function is provided for solving the problems that when the box body leaks electricity, the prompting function cannot be performed on an operator, and when the connector is connected into the socket, the connector is easy to fall off under the action of external force.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the utility model provides an contravariant arc-welding machine with electric leakage alarm function, includes the box, installs control switch, adjust knob and the socket of terminal surface before the box and installs the plug at socket inboard, two sets of electrical connection posts are installed to the outside bilateral symmetry of box, the top center department of box installs the alarm box, the outside of socket is the annular through the pivot and rotates the spacing cardboard that is connected with the multiunit and is L type structure, and all is horizontal elastic connection and has extension spring between the vertical end of the spacing cardboard of multiunit and the box, the inboard equal fixedly connected with fixture block of horizontal end of the spacing cardboard of multiunit, the draw-in groove that the cooperation fixture block used is seted up to one side that the inside of plug is close to the fixture block.

As a further description of the above technical solution:

the outside of the front end face and the outside of the rear end face of the box body are both provided with a support frame in a rectangular frame structure, and the top of the support frame is provided with a handle.

As a further description of the above technical solution:

the top of the alarm box is provided with a warning lamp, and the outer end face of the alarm box is provided with an alarm.

As a further description of the above technical solution:

the two groups of electric connecting poles are respectively connected with the prompting lamp and the alarm through wires.

As a further description of the above technical solution:

the vertical cross-section of the multiple groups of limiting clamping plates is of an arc-shaped structure, and the inner surface walls of the multiple groups of limiting clamping plates are mutually attached to the inner surface wall of the plug.

As a further description of the above technical solution:

the vertical cross-sections of the clamping block and the clamping groove are both in a right-angle trapezoidal structure, the right-angle sides of the clamping block and the clamping groove are both located on one side close to the box body, and the clamping block and the clamping groove are in transition fit.

To sum up, owing to adopted above-mentioned technical scheme, the beneficial effects of the utility model are that:

1. the utility model discloses in, inside is provided with electric leakage alarm mechanism, both sides at the box are provided with the electrical connection post, top at the box is provided with the alarm box, two sets of electrical connection posts pass through wire and warning light and siren intercommunication simultaneously, when the box electric leakage, the electrical connection post, the wire, warning light and siren just can form closed circuit, warning light and siren just can work, the warning light sends light signal and reminds operating personnel box electric leakage, the siren sends out the warning prompt tone simultaneously, remind operating personnel box to have electric leakage phenomenon, this kind of structure is when the box electric leakage, can promote and warn operating personnel, both reduced the production of operating personnel electric shock phenomenon, the safety in utilization of contravariant arc welding machine has also been promoted simultaneously.

2. The utility model discloses in, inside is provided with connects locking structure, it is the spacing cardboard that the multiunit is L type structure to be provided with the annular in the inside of socket, and the inboard of spacing cardboard is provided with the fixture block that is right trapezoid structure, and set up the draw-in groove that the cooperation fixture block used in the inside that connects, when the plug inserts socket inside, because the effect of extrusion force, the spacing cardboard of multiunit just can inwards revolve to the horizontality, the inboard fixture block of spacing cardboard just can slide into the inside of draw-in groove, thereby the motion of plug at socket horizontal direction has been restricted, this kind of structure can be with plug pressure closure in the inboard of socket, the production of the phenomenon that drops has both been reduced to the plug, also promote articulate's stability simultaneously.

Drawings

FIG. 1 is a schematic diagram of an inverter arc welding machine with an electric leakage alarm function according to the present invention;

FIG. 2 is a schematic side view of the present invention;

fig. 3 is a schematic view of a connection structure of the socket and the plug of the present invention.

Illustration of the drawings:

1. a support frame; 2. a box body; 3. a handle; 4. a control switch; 5. adjusting a knob; 6. a plug; 7. a socket; 8. a limiting clamping plate; 9. a clamping block; 10. connecting a power post; 11. an alarm box; 12. a wire; 13. a warning light; 14. an alarm; 15. a card slot; 16. a tension spring.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention.

Referring to fig. 1-3, the present invention provides a technical solution: the utility model provides an contravariant arc-welding machine with electric leakage warning function, the power distribution box comprises a box body 2, install the control switch 4 of terminal surface before box 2, adjust knob 5 and socket 7 and install at the inboard plug 6 of socket 7, two sets of electrical connection post 10 are installed to the outside bilateral symmetry of box 2, top center department of box 2 installs alarm box 11, socket 7's outside is the annular through the pivot and rotates the spacing cardboard 8 that is the multiunit L type structure, and all be horizontal elastic connection between the vertical end of the spacing cardboard 8 of multiunit and the box 2 and have extension spring 16, extension spring 16's setting, be convenient for the processing that resets after plug 6 extracts, the inboard equal fixedly connected with fixture block 9 of the horizontal end of the spacing cardboard 8 of multiunit, the inside of plug 6 is close to one side of fixture block 9 and sets up draw-in groove 15 that cooperation.

Specifically, as shown in fig. 1 and 2, the support frame 1 with a rectangular frame structure is installed outside the front end face and outside the rear end face of the box body 2, the handle 3 is installed at the top of the support frame 1, the support frame 1 is arranged, the bracket of the box body 2 is convenient to fix, and the handle 3 is arranged, so that the box body 2 can be conveniently moved and transported.

Specifically, as shown in fig. 2, a warning light 13 is installed on the top of the alarm box 11, an alarm 14 is installed on the outer end surface of the alarm box 11, the warning light 13 can emit a light signal to remind an operator, and the alarm 14 can emit a sound signal to remind the operator.

Specifically, as shown in fig. 1 and 2, two groups of electric posts 10 are respectively connected with a prompting lamp 13 and an alarm 14 through wires 12, and when the box body 2 leaks electricity, the electric posts 10, the wires 12, the prompting lamp 13 and the alarm 14 form a closed circuit, so that the prompting lamp 13 and the alarm 14 work.

Specifically, as shown in fig. 1 and 3, the vertical cross section of the plurality of groups of limiting clamping plates 8 is of an arc-shaped structure, the inner surface wall of the plurality of groups of limiting clamping plates 8 is attached to the inner surface wall of the plug 6, and the structure improves the stability of connection between the limiting clamping plates 8 and the plug 6.

Specifically, as shown in fig. 3, the vertical cross-section of fixture block 9 and draw-in groove 15 all is the right trapezoid structure, and the right-angle side of fixture block 9 and draw-in groove 15 all is located the one side that is close to box 2, and fixture block 9 and draw-in groove 15 are the transition fit, are the setting of right trapezoid structure fixture block 9 and draw-in groove 15, and the plug 6 of being convenient for slides in the inside of socket 7, can block plug 6 from the inside roll-off of socket 7 simultaneously, and the chooseing for use of transition fit mode has simultaneously promoted the stability that plug 6 and socket 7 are connected.

The working principle is as follows: when the plug is used, a power supply is connected, when the plug 6 needs to be inserted into the socket 7, the plug 6 horizontally slides towards the inner side of the socket 7, a plurality of groups of limiting clamping plates 8 in an L-shaped structure can inwards rotate to a horizontal state under the action of extrusion force, meanwhile, clamping blocks 9 in a right-angled trapezoid structure at the inner side of the limiting clamping plates 8 can slide into clamping grooves 15 on the plug 6, locking and fixing treatment of the plug 6 and the socket 7 is completed, when the box body 2 leaks electricity, the box body 2 can transmit the current to the power connection posts 10, the wires 12, the prompting lamps 13 and the alarms 14 can form a closed circuit, the prompting lamps 13 and the alarms 14 can work, the prompting lamps 13 can send out light signals to remind operators that the box body 2 has an electric leakage phenomenon, meanwhile, the alarms 14 can send out alarm prompting sounds to remind the operators that the box body 2 has the electric leakage phenomenon, and after the operators know that the electric leakage phenomenon, the power supply can be turned off, and the inverter arc welding machine is overhauled.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. An inverter arc welding machine with an electric leakage alarm function comprises a box body (2), a control switch (4) arranged on the front end face of the box body (2), an adjusting knob (5), a socket (7) and a plug (6) arranged on the inner side of the socket (7), it is characterized in that two groups of electric connecting posts (10) are symmetrically arranged at two sides of the outer part of the box body (2), an alarm box (11) is arranged at the center of the top of the box body (2), a plurality of groups of L-shaped limiting clamping plates (8) are connected with the outside of the socket (7) in an annular rotating manner through a rotating shaft, and extension springs (16) are horizontally and elastically connected between the vertical ends of the plurality of groups of limiting clamping plates (8) and the box body (2), the inner sides of the horizontal ends of the plurality of groups of limiting clamping plates (8) are fixedly connected with clamping blocks (9), and a clamping groove (15) matched with the clamping block (9) for use is formed in one side, close to the clamping block (9), of the inner part of the plug (6).

2. The inverter arc welding machine with the electric leakage alarm function according to claim 1, wherein the support frame (1) having a rectangular frame structure is installed on the outer portion of the front end surface and the outer portion of the rear end surface of the box body (2), and the handle (3) is installed on the top portion of the support frame (1).

3. The inverter arc welding machine with the electric leakage warning function according to claim 1, wherein a warning lamp (13) is installed on the top of the warning box (11), and an alarm (14) is installed on the outer end face of the warning box (11).

4. The inverter arc welding machine with the electric leakage warning function according to claim 1 or 3, wherein the two groups of electric connecting poles (10) are respectively connected with the warning lamp (13) and the alarm (14) through leads (12).

5. The inverter arc welding machine with the electric leakage warning function according to claim 1, wherein the vertical cross sections of the plurality of sets of limiting clamping plates (8) are arc-shaped, and the inner surface walls of the plurality of sets of limiting clamping plates (8) and the inner surface wall of the plug (6) are attached to each other.

6. The inverter arc welding machine with the electric leakage warning function according to claim 1, wherein the vertical cross sections of the clamping blocks (9) and the clamping grooves (15) are in a right trapezoid structure, the right-angled sides of the clamping blocks (9) and the clamping grooves (15) are located on one side close to the box body (2), and the clamping blocks (9) and the clamping grooves (15) are in transition fit.