CN210817865U

CN210817865U - Dustproof electric welding

Info

Publication number: CN210817865U
Application number: CN201921279750.1U
Authority: CN
Inventors: 李超
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-08-08
Filing date: 2019-08-08
Publication date: 2020-06-23
Anticipated expiration: 2029-08-08

Abstract

The utility model discloses a dustproof electric welding machine, which comprises a shell and a radiator arranged in the shell, wherein a mounting surface for mounting a control circuit used for controlling the normal operation of the whole dustproof electric welding machine is arranged on the radiator, a left bracket and a right bracket are respectively arranged on the left side and the right side of the mounting surface, an upper wind shield and a lower wind shield are respectively arranged on the upper end and the lower end of the mounting surface of the control circuit, a closed cavity is formed among the upper wind shield, the lower wind shield, the left bracket, the right bracket, the radiator and the shell, and the control circuit is arranged in the closed cavity; through setting up dirt-proof airtight cavity, make control circuit be located airtight cavity, prevent that the dust from piling up and causing the circuit short circuit, guarantee the normal use of electric welding.

Description

Dustproof electric welding

Technical Field

The utility model relates to a welding equipment field especially relates to a dustproof electric welding.

Background

The electric welder is to utilize the high temperature electric arc produced by the instantaneous short circuit of the positive and negative poles to melt the welding flux and the welded material on the welding electrode and to combine the contacted material. However, because the service environment of the electric welding machine is generally severe, dust splashes during working, the dust easily enters the electric welding machine, and the dust can be accumulated on a circuit board and a circuit inside the machine, so that a circuit short circuit is easily caused, the performance of the electric welding machine is seriously affected, and inconvenience in use is brought.

Accordingly, the prior art is yet to be improved and developed.

Disclosure of Invention

An object of the utility model is to provide a dustproof electric welding aims at solving the dust and gets into that the electric welding is inside to be piled up on machine internal line board and circuit, causes the circuit short circuit easily, seriously influences the problem of electric welding performance.

The technical scheme of the utility model as follows: the utility model provides a dustproof electric welding, wherein, which comprises a housin, install the radiator in the casing, the installation face that has the control circuit that the installation is used for controlling whole dustproof electric welding normal operating on the radiator, left socle and right branch frame are installed respectively to the left and right sides at this installation face, wind deflector and lower wind deflector are installed respectively to the upper and lower end at control circuit's installation face, go up the wind deflector, lower wind deflector, left socle, right branch frame, form airtight cavity between radiator and the casing, control circuit installs in airtight cavity.

The dustproof electric welding machine is characterized in that a fan is arranged on one side of the radiator.

The dustproof electric welding machine is characterized in that a pulley convenient for overhauling the electric welding machine to move is arranged at the bottom of the shell.

The dustproof electric welding machine is characterized in that a portable handle is arranged at the top of the shell.

The dustproof electric welding machine is characterized in that an operation panel is arranged on the side wall of the shell and connected with a control circuit, a protective cover is arranged on the operation panel and hinged to the shell, a sealing gasket is arranged on the inner side of the protective cover, and a sealing gasket groove matched with the sealing gasket is formed in the operation panel.

The control circuit comprises a secondary peak suppression circuit, and the secondary peak suppression circuit comprises a rectification storage module for rectifying and storing the output voltage; the detection module is used for sampling the output voltage in the rectifying storage module; the control module is used for judging the output voltage detected by the detection module; the discharging module is used for releasing the energy of the output voltage exceeding the preset voltage value according to the judgment result of the control module; the rectifier storage module is connected with the output voltage, the rectifier storage module is connected with the detection module, the detection module is connected with the control module, and the control module is connected with the discharging module: the rectification storage module rectifies and stores the output voltage, the detection module samples the output voltage in the rectification storage module and feeds the output voltage back to the control module, and the control module judges whether the output voltage fed back by the detection module is larger than a preset voltage value or not, if so, the control module controls the discharge module to release energy of the output voltage, otherwise, the discharge module does not act, so that the output voltage is controlled within the range of the preset voltage value.

The dustproof electric welding machine is characterized in that the rectification storage module comprises a bicolor light-emitting diode, one end of the bicolor light-emitting diode is connected with the anode of the output voltage, the other end of the bicolor light-emitting diode is connected with the anode of the first polarity capacitor, the cathode of the first polarity capacitor is connected with the cathode of the output voltage, the other end of the bicolor light-emitting diode is connected with the anode of the third polarity capacitor, the cathode of the third polarity capacitor is connected with the cathode of the output voltage, the anode of the first polarity capacitor is connected with one end of a first resistor, the other end of the first resistor is connected with one end of a first voltage stabilizing diode, the other end of the first voltage stabilizing diode is connected with the cathode of the output voltage, the other end of the first voltage stabilizing diode is connected with the cathode of a fourth polarity capacitor, and the anode of the fourth polarity capacitor is connected with the other end of the first resistor, the other end of the double-color light-emitting diode is connected with the detection module, and the other end of the double-color light-emitting diode is connected with the discharge module.

The dustproof electric welding machine comprises a detection module, a first resistor, a second resistor, a bidirectional breakdown diode, a third resistor, a first capacitor and a second capacitor, wherein the detection module comprises a second resistor, one end of the second resistor is connected with the other end of the bicolor light-emitting diode, the other end of the second resistor is connected with an output voltage cathode, one end of the second resistor is connected with one end of the bidirectional breakdown diode, the other end of the bidirectional breakdown diode is connected with one end of the third resistor, the other end of the third resistor is connected with one end of the second voltage stabilizing diode, the other end of the second voltage stabilizing diode is connected with the output voltage cathode, the other end of the third resistor is connected with one end of the fourth resistor, the other end of the fourth resistor is connected with the output voltage cathode, the other end of.

The dustproof electric welding machine, wherein, control module includes control chip, 2 feet and the third resistor other end of control chip are connected, 3 feet and 4 feet of control chip all ground connection, 7 feet of control chip are connected with the one end of fifth resistor, the other end and the module of discharging of fifth resistor are connected, 6 feet of control chip are connected with the one end of second electric capacity, the other end ground connection of second electric capacity.

The dustproof electric welding machine is characterized in that the discharge module comprises a sixth resistor, one end of the sixth resistor is connected with the other end of the two-color light-emitting diode, the other end of the sixth resistor is connected with the anode of the first light-emitting diode, the cathode of the first light-emitting diode is connected with the 2 pins of the selector switch, the 1 pin of the discharge resistor is connected with the other end of the two-color light-emitting diode, the 3 pins of the discharge resistor are connected with the 2 pins of the selector switch, the 1 pin of the selector switch is connected with the control module, and the 3 pins of the selector switch are connected with the cathode of the output.

The utility model has the advantages that: the utility model provides a dustproof electric welding machine, which comprises a shell and a radiator arranged in the shell, wherein a mounting surface for mounting a control circuit for controlling the normal operation of the whole dustproof electric welding machine is arranged on the radiator, a left bracket and a right bracket are respectively arranged on the left side and the right side of the mounting surface, an upper wind shield and a lower wind shield are respectively arranged on the upper end and the lower end of the mounting surface of the control circuit, a closed cavity is formed among the upper wind shield, the lower wind shield, the left bracket, the right bracket, the radiator and the shell, and the control circuit is arranged in the closed cavity; through setting up dirt-proof airtight cavity, make control circuit be located airtight cavity, prevent that the dust from piling up and causing the circuit short circuit, guarantee the normal use of electric welding.

Drawings

Fig. 1 is a schematic structural diagram of the dustproof electric welding machine of the present invention.

Fig. 2 is a schematic view of the structure of the middle sealed cavity of the present invention.

Fig. 3 is a block diagram of the secondary peak suppression circuit according to the present invention.

Fig. 4 is a diagram of the connection of elements of the secondary peak suppression circuit according to the present invention.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the accompanying drawings are exemplary only for the purpose of explaining the present invention, and should not be construed as limiting the present invention.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and to simplify the description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention. Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, features defined as "first", "second", may explicitly or implicitly include one or more of the described features. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; may be mechanically connected, may be electrically connected or may be in communication with each other; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

In the present disclosure, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may comprise direct contact between the first and second features, or may comprise contact between the first and second features not directly. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.

The following disclosure provides many different embodiments or examples for implementing different features of the invention. In order to simplify the disclosure of the present invention, the components and arrangements of specific examples are described below. Of course, they are merely examples and are not intended to limit the present invention. Furthermore, the present invention may repeat reference numerals and/or reference letters in the various examples, which have been repeated for purposes of simplicity and clarity and do not in themselves dictate a relationship between the various embodiments and/or arrangements discussed. In addition, the present disclosure provides examples of various specific processes and materials, but one of ordinary skill in the art may recognize applications of other processes and/or use of other materials.

As shown in fig. 1, a dust-proof welding machine comprises a housing 100 and a radiator 106 installed in the housing 100, wherein an installation surface for installing a control circuit for controlling the normal operation of the whole dust-proof welding machine is arranged on the radiator 106, a left bracket 101 and a right bracket 104 are respectively installed on the left side and the right side of the installation surface, an upper wind shield 102 and a lower wind shield 107 are respectively installed at the upper end and the lower end of the installation surface of the control circuit, and a closed cavity 110 is formed among the upper wind shield 102, the lower wind shield 107, the left bracket 101, the right bracket 104, the radiator 106 and the housing 100, so that the control circuit installed in the closed cavity 110 is protected.

Specifically, the left bracket 101 and the right bracket 104 are fixed to the heat sink 106 by a first bolt 111, the upper windshield 102 and the lower windshield 107 are fixed to the heat sink 106 by a third bolt 113, and the third bolt 113 is disposed in a kidney-shaped hole; the upper wind shield 102 and the lower wind shield 107 are respectively fixed with the middle plate 103 and the bottom plate 108 through second bolts 112; when the dustproof structure unit is installed, the third bolt 113 is not fastened temporarily, the dustproof structure unit, the middle plate 103 and the bottom plate 108 are fixed through the second bolt 112, and then the third bolt 113 is fastened after the position of the dustproof structure unit is adjusted through the waist-shaped hole; the upper wind-guard plate 102 is closely attached to the middle plate 103 in the housing 100, and the lower wind-guard plate 107 is closely attached to the bottom plate 108 of the housing 100.

Further, in order to enhance the heat dissipation effect, a fan 105 is installed at one side of the heat sink 106.

Specifically, a pulley 116 is provided at the bottom of the housing 100 to facilitate movement of the welder for servicing. In this embodiment, in order to balance the forces applied to the entire welding machine, the number of the pulleys 116 is 4, and 4 pulleys 116 are located at 4 corners of the bottom of the casing 100.

Further, in order to conveniently carry the welding bug for convenient maintenance, a carrying handle 117 is provided at the top of the housing 100. In this embodiment, the outer surface of the handle 107 is made of an insulating rubber material.

Specifically, an operation panel (not shown in the drawing) is arranged on the side wall of the shell 100, the operation panel is connected with the control circuit, a protective cover is arranged on the operation panel, the protective cover is hinged to the shell 100, a sealing gasket is arranged on the inner side of the protective cover, and a sealing gasket groove matched with the sealing gasket is arranged on the operation panel; through the above arrangement, the seamless attachment of the dust cover and the housing 100 can be realized, and dust and the like can be effectively prevented from falling on the control panel and not hindering the normal use of the control panel.

The electric welding machine generally is the direct access commercial power and uses, and in the in-service use process, the alternating current is made periodic variation along with time, but the alternating current is general all unstable, peak phenomenon often can appear, too high peak is great to the influence of alternating current electric welding machine circuit, influences the normal output of alternating current electric welding machine circuit, damages electric welding machine circuit even, shortens the life of alternating current electric welding machine, in order to solve this problem, this technical scheme sets up as follows: the control circuit comprises a secondary spike suppression circuit (as shown in fig. 3 and 4), which comprises a rectification storage module 210 for rectifying and storing the output voltage; a detection module 220 for sampling the output voltage within the rectified storage module 210; a control module 230 for determining the output voltage detected by the detection module 220; a discharging module 240 for releasing energy of the output voltage exceeding the preset voltage value according to the judgment result of the control module 230; the rectifying and storing module 210 is connected to the output voltage, the rectifying and storing module 210 is connected to the detecting module 220, the detecting module 220 is connected to the control module 230, and the control module 230 is connected to the discharging module 240: the rectifying storage module 210 rectifies and stores the output voltage, the detection module 220 samples the output voltage in the rectifying storage module 210 and feeds the sampled output voltage back to the control module 230, and the control module 230 judges whether the output voltage fed back by the detection module 220 is greater than a preset voltage value, if so, the control module 240 releases energy to the output voltage, and if not, the discharge module 240 does not act, so that the output voltage is controlled within the range of the preset voltage value.

Specifically, the rectifying and storing module 210 includes a two-color led D1 having one end connected to the anode of the output voltage, the other end of the two-color led D1 is connected to the anode of a first polarity capacitor C11, the cathode of the first polarity capacitor C11 is connected to the cathode of the output voltage, the other end of the two-color led D1 is connected to the anode of a second polarity capacitor C12, the cathode of the second polarity capacitor C12 is connected to the cathode of the output voltage, the other end of the two-color led D1 is connected to the anode of a third polarity capacitor C13, the cathode of the third polarity capacitor C13 is connected to the cathode of the output voltage, the anode of a first polarity capacitor C11 is connected to one end of a first resistor R27, the other end of the first resistor R27 is connected to one end of a first voltage regulator D12, the other end of the first voltage regulator D12 is connected to the cathode of the output voltage, the other end of the first voltage regulator D12 is connected to the cathode of a fourth polarity capacitor, the positive electrode of the fourth polarity capacitor C16 is connected to the other end of the first resistor R27, the other end of the bi-color led D1 is connected to the detection module 200, and the other end of the bi-color led D1 is connected to the discharge module 240.

Specifically, the detection module 220 includes a second resistor R22 having one end connected to the other end of the two-color led D1, the other end of the second resistor R22 is connected to the output voltage cathode, one end of the second resistor R22 is connected to one end of the diac D2, the other end of the diac D2 is connected to one end of the third resistor R24, the other end of the third resistor R24 is connected to one end of the second zener diode D3, the other end of the second zener diode D3 is connected to the output voltage cathode, the other end of the third resistor R24 is connected to one end of the fourth resistor R23, the other end of the fourth resistor R23 is connected to the output voltage cathode, the other end of the third resistor R24 is connected to one end of the first capacitor C14, the other end of the first capacitor C14 is connected to the output voltage cathode, the other end of the third resistor R24 is connected to the control module 230, and one end of the.

Specifically, the control module 230 includes a control chip U1, a pin 2 of the control chip U1 is connected to the other end of the third resistor R24,

pins

3 and 4 of the control chip U1 are both grounded, a pin 7 of the control chip U1 is connected to one end of the fifth resistor R28, the other end of the fifth resistor R28 is connected to the discharging module 240, a pin 6 of the control chip U1 is connected to one end of the second capacitor C17, and the other end of the second capacitor C17 is grounded.

Specifically, the discharge module 240 includes a sixth resistor R25 having one end connected to the other end of the bi-color led D1, the other end of the sixth resistor R25 is connected to the anode of the first led VD1, the cathode of the first led VD1 is connected to pin 2 of the selection switch, pin 1 of the discharge resistor CON2 is connected to the other end of the bi-color led D1, pin 3 of the discharge resistor CON2 is connected to pin 2 of the selection switch, pin 1 of the selection switch is connected to the control module 230, and pin 3 of the selection switch is connected to the cathode of the output voltage.

Specifically, the preset voltage value is 200V, and 200V meets the power supply requirement of a common electric welding machine.

According to the technical scheme, the secondary peak suppression circuit is arranged, the peak of the output voltage exceeding the preset value is subjected to discharging operation, the voltage exceeding the preset value is subjected to energy release, the output voltage is controlled within a preset range, the output voltage is guaranteed not to exceed the preset value, and the situation that the device is damaged due to the fact that the output peak is too high is avoided.

In the description herein, references to the description of the terms "one embodiment," "certain embodiments," "an illustrative embodiment," "an example," "a specific example," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, schematic representations of the above terms do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

It is to be understood that the invention is not limited to the above-described embodiments, and that modifications and variations may be made by those skilled in the art in light of the above teachings, and all such modifications and variations are intended to be included within the scope of the invention as defined in the appended claims.

Claims

1. A dustproof electric welding machine is characterized by comprising a shell and a radiator arranged in the shell, wherein a mounting surface for mounting a control circuit for controlling the normal operation of the whole dustproof electric welding machine is arranged on the radiator; the control circuit comprises a secondary spike suppression circuit, and the secondary spike suppression circuit comprises a rectification storage module for rectifying and storing the output voltage; the detection module is used for sampling the output voltage in the rectifying storage module; the control module is used for judging the output voltage detected by the detection module; the discharging module is used for releasing the energy of the output voltage exceeding the preset voltage value according to the judgment result of the control module; the rectifier storage module is connected with the output voltage, the rectifier storage module is connected with the detection module, the detection module is connected with the control module, and the control module is connected with the discharging module: the rectification storage module rectifies and stores the output voltage, the detection module samples the output voltage in the rectification storage module and feeds the output voltage back to the control module, and the control module judges whether the output voltage fed back by the detection module is larger than a preset voltage value or not, if so, the control module controls the discharge module to release energy of the output voltage, otherwise, the discharge module does not act, so that the output voltage is controlled within the range of the preset voltage value.

2. A dust and electricity welding machine as claimed in claim 1 wherein a fan is mounted to one side of the heat sink.

3. A dust welding bug as claimed in claim 1 wherein the base of the housing is provided with sheaves to facilitate movement of the bug for servicing.

4. A dust welding bug as claimed in claim 1 wherein a carrying handle is provided at the top of the housing.

5. The dustproof electric welding machine according to claim 1, wherein an operation panel is arranged on a side wall of the casing, the operation panel is connected with the control circuit, a protective cover is arranged on the operation panel, the protective cover is hinged with the casing, a sealing gasket is arranged on the inner side of the protective cover, and a sealing gasket groove matched with the sealing gasket is arranged on the operation panel.

6. The dust-proof electric welding machine according to claim 1, wherein the rectifying and storing module comprises a two-color light emitting diode having one end connected to an anode of the output voltage, the other end of the two-color light emitting diode is connected to an anode of a first polarity capacitor, a cathode of the first polarity capacitor is connected to a cathode of the output voltage, the other end of the two-color light emitting diode is connected to an anode of a second polarity capacitor, a cathode of the second polarity capacitor is connected to a cathode of the output voltage, the other end of the two-color light emitting diode is connected to an anode of a third polarity capacitor, a cathode of the third polarity capacitor is connected to a cathode of the output voltage, the anode of the first polarity capacitor is connected to one end of a first resistor, the other end of the first resistor is connected to one end of a first voltage regulator diode, the other end of the first voltage regulator diode is connected to a cathode of the output voltage, the other, the positive electrode of the fourth polarity capacitor is connected with the other end of the first resistor, the other end of the two-color light-emitting diode is connected with the detection module, and the other end of the two-color light-emitting diode is connected with the discharge module.

7. The dustproof electric welding machine according to claim 6, wherein the detection module comprises a second resistor having one end connected to the other end of the two-color light emitting diode, the other end of the second resistor is connected to the negative output voltage, one end of the second resistor is connected to one end of the bidirectional breakdown diode, the other end of the bidirectional breakdown diode is connected to one end of a third resistor, the other end of the third resistor is connected to one end of a second zener diode, the other end of the second zener diode is connected to the negative output voltage, the other end of the third resistor is connected to one end of a fourth resistor, the other end of the fourth resistor is connected to the negative output voltage, the other end of the third resistor is connected to one end of the first capacitor, the other end of the first capacitor is connected to the negative output voltage, the other end of the third resistor is connected to the.

8. The dust-proof electric welding machine according to claim 7, wherein the control module comprises a control chip, wherein pin 2 of the control chip is connected with the other end of the third resistor, pins 3 and 4 of the control chip are both grounded, pin 7 of the control chip is connected with one end of the fifth resistor, the other end of the fifth resistor is connected with the discharging module, pin 6 of the control chip is connected with one end of the second capacitor, and the other end of the second capacitor is grounded.

9. The dust-proof electric welding machine according to claim 8, wherein the discharge module comprises a sixth resistor having one end connected to the other end of the two-color light emitting diode, the other end of the sixth resistor is connected to the anode of the first light emitting diode, the cathode of the first light emitting diode is connected to pin 2 of the selection switch, pin 1 of the discharge resistor is connected to the other end of the two-color light emitting diode, pin 3 of the discharge resistor is connected to pin 2 of the selection switch, pin 1 of the selection switch is connected to the control module, and pin 3 of the selection switch is connected to the cathode of the output voltage.