CN210789636U - Spot welder control circuit and spot welder using same - Google Patents
Spot welder control circuit and spot welder using same Download PDFInfo
- Publication number
- CN210789636U CN210789636U CN201921744223.3U CN201921744223U CN210789636U CN 210789636 U CN210789636 U CN 210789636U CN 201921744223 U CN201921744223 U CN 201921744223U CN 210789636 U CN210789636 U CN 210789636U
- Authority
- CN
- China
- Prior art keywords
- pin
- relay
- mos transistor
- switch
- control module
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 238000003466 welding Methods 0.000 claims abstract description 40
- 239000003990 capacitor Substances 0.000 claims description 16
- 230000000694 effects Effects 0.000 abstract description 5
- 230000005611 electricity Effects 0.000 abstract description 4
- 208000021760 high fever Diseases 0.000 abstract description 3
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
Images
Abstract
The utility model discloses a spot welder control circuit and use spot welder of this circuit, this spot welder control circuit includes power module, pulse time control module, switch on-off control module and spot welding switch S1, power module ' S input is provided with power charge interface J1, power module ' S output and spot welding switch S1 all are connected with pulse time control module ' S input electricity, pulse time control module ' S output is connected with switch on-off control module ' S input electricity, switch on-off control module ' S output is as spot welder ' S output; when spot welding switch S1 starts, control pulse time control module can produce the high level pulse of a short time and be used for control switch on-off control module short time to start, makes power module short circuit in short time, produces high fever spot welding effect at switch on-off control module' S output, simple structure, and convenient operation is fit for using widely on a large scale.
Description
Technical Field
The utility model relates to a welding equipment technical field, especially a spot welder control circuit and applied this circuit's spot welder.
Background
Spot welding is mainly realized by resistance hot spot welding (a method of welding by applying pressure through an electrode after welding pieces are combined and utilizing resistance heat generated by current passing through a contact surface of a joint and an adjacent area is called resistance welding), and the resistance welding has the characteristics of high production efficiency, low cost, material saving, easiness in automation and the like, so that the spot welding is widely applied to various industrial departments such as aviation, aerospace, energy, electronics, automobiles, light industry and the like and is one of important welding processes. However, the control circuit board inside the existing spot welding machine has a complex structure, so that the product price is high, and the spot welding machine is not beneficial to large-scale (such as in a college) popularization and use.
Disclosure of Invention
In order to overcome the defects of the prior art, the utility model provides a spot welder control circuit with simple structure and low production cost.
The utility model provides a technical scheme that its technical problem adopted is:
the utility model provides a spot welder control circuit, includes power module, pulse time control module, switch on-off control module and spot welding switch S1, power module 'S input is provided with the power interface J1 that charges, power module' S output with spot welding switch S1 all with pulse time control module 'S input electricity is connected, pulse time control module' S output with switch on-off control module 'S input electricity is connected, switch on-off control module' S output is as the output of spot welder.
The pulse time control module comprises a relay K1, a rotating resistor W3, a resistor R1 and a capacitor C1, wherein 3 pins of the rotating resistor W3 are divided into two paths, one path is connected with 1 pin of the power charging interface J1, and the other path is connected with 1 pin of the relay K1; the 2 pin of the rotating resistor W3 is suspended; after the pin 1 of the rotary resistor W3 passes through the resistor R1, the pin is divided into two paths, one path is connected with the pin 2 of the spot welding switch S1, and the other path is connected with the pin 8 of the relay K1; one end of the capacitor C1 is connected with the pin 1 of the spot welding switch S1, and the other end is connected with a node between the pin 3 of the rotating resistor W3 and the pin 1 of the relay K1; the pin 2 and the pin 3 of the power supply charging interface J1 are both grounded; the 3 pins of the spot welding switch S1 are grounded; the pin 2 of the relay K1 is connected with the pin 7 of the relay K1 through a capacitor C2; the anode of the power supply module is connected with a node between the pin 3 of the rotary resistor W3 and the pin 1 of the relay K1, and the cathode of the power supply module is grounded; the 3 pins of the relay K1 are divided into two paths, one path is connected with the 1 pin of the relay K1, and the other path is connected with the 5 pin of the relay K1; and a pin 4 of the relay K1 is connected with the input end of the switch on-off control module, and a pin 6 of the relay K1 is grounded.
The switch on-off control module comprises an MOS tube NMOS1, an MOS tube NMOS2, an MOS tube NMOS3, an MOS tube NMOS4, a resistor R2 and an indicator lamp D8, wherein the anode of the indicator lamp D8 is connected with the 4 pins of the relay K1, the cathode of the indicator lamp D8 is divided into two paths, one path is grounded through the resistor R2, and the other path is connected with the grid electrode of the MOS tube NMOS 1; the source electrode of the MOS transistor NMOS1 is grounded, and the drain electrode of the MOS transistor NMOS1 is connected with the drain electrode of the MOS transistor NMOS 2; the grid electrode of the MOS transistor NMOS2 is divided into two paths, one path is connected with the grid electrode of the MOS transistor NMOS1, the other path is connected with the grid electrode of the MOS transistor NMOS3, and the source electrode of the MOS transistor NMOS2 is grounded; the source electrode of the MOS tube NMOS3 is grounded, the drain electrode of the MOS tube NMOS3 is divided into three paths, the first path is connected with the node of the drain electrode of the MOS tube NMOS1 and the drain electrode of the MOS tube NMOS2, the second path is connected with the drain electrode of the MOS tube NMOS4, and the last path is used as the output end of the spot welder to be output; the source electrode of the MOS transistor NMOS4 is grounded, and the grid electrode of the MOS transistor NMOS4 is connected with the grid electrode of the MOS transistor NMOS 3.
The utility model also provides a spot welder, including foretell spot welder control circuit.
The utility model has the advantages that: the utility model discloses a when spot welding switch S1 starts, the high level pulse that control pulse time control module can produce a short time is used for control switch on-off control module short time to start, makes power module short circuit, produces high fever spot welding effect at switch on-off control module' S output, simple structure, and convenient operation is fit for using widely on a large scale.
Drawings
The present invention will be further explained with reference to the drawings and examples.
Fig. 1 is a schematic diagram of a spot welder control circuit according to the present invention.
Detailed Description
Referring to fig. 1, the spot welder control circuit comprises a power supply module, a pulse time control module, a switch on-off control module and a spot welding switch S1, wherein a power charging interface J1 is arranged at the input end of the power supply module, the output end of the power supply module and the spot welding switch S1 are electrically connected with the input end of the pulse time control module, the output end of the pulse time control module is electrically connected with the input end of the switch on-off control module, and the output end (OUT) of the switch on-off control module is used as the output end of a spot welder to be output.
Furthermore, the pulse time control module comprises a relay K1, a rotating resistor W3, a resistor R1 and a capacitor C1, wherein 3 pins of the rotating resistor W3 are divided into two paths, one path is connected with 1 pin of the power charging interface J1, and the other path is connected with 1 pin of the relay K1; the 2 pin of the rotating resistor W3 is suspended; after the pin 1 of the rotary resistor W3 passes through the resistor R1, the pin is divided into two paths, one path is connected with the pin 2 of the spot welding switch S1, and the other path is connected with the pin 8 of the relay K1; one end of the capacitor C1 is connected with the pin 1 of the spot welding switch S1, and the other end is connected with a node between the pin 3 of the rotating resistor W3 and the pin 1 of the relay K1; the pin 2 and the pin 3 of the power supply charging interface J1 are both grounded; the 3 pins of the spot welding switch S1 are grounded; the pin 2 of the relay K1 is connected with the pin 7 of the relay K1 through a capacitor C2; the positive pole (IN +) of the power supply module is connected with a node between the pin 3 of the rotary resistor W3 and the pin 1 of the relay K1, and the negative pole (IN-) of the power supply module is grounded; the 3 pins of the relay K1 are divided into two paths, one path is connected with the 1 pin of the relay K1, and the other path is connected with the 5 pin of the relay K1; a pin 4 of the relay K1 is connected with the input end of the switch on-off control module, and a pin 6 of the relay K1 is grounded; in this embodiment, in a natural state, the capacitor C1 is charged, and when the spot welding switch S1 is pressed, the capacitor C1 serves as a power supply for the relay K1 to operate the relay, and the operation time of the relay K1 is the spot welding pulse output time. The spot welding time is finely adjusted by connecting a rotary resistor W3 and a resistor R1 in series and then connecting the resistors in parallel in a discharge loop of a capacitor C1, and adjusting the parallel resistor through the rotary resistor W3 to accelerate or reduce the discharge time of the capacitor C1, namely the working time of a fine adjustment relay, namely the time of fine adjustment of spot welding pulses, and the fine adjustment relay has the advantages of simple structure, convenience in operation and the like.
Further, the switch on-off control module comprises a MOS transistor NMOS1, a MOS transistor NMOS2, a MOS transistor NMOS3, a MOS transistor NMOS4, a resistor R2 and an indicator lamp D8, wherein the anode of the indicator lamp D8 is connected with the 4 pin of the relay K1, the cathode of the indicator lamp D8 is divided into two paths, one path is grounded through the resistor R2, and the other path is connected with the grid of the MOS transistor NMOS 1; the source electrode of the MOS transistor NMOS1 is grounded, and the drain electrode of the MOS transistor NMOS1 is connected with the drain electrode of the MOS transistor NMOS 2; the grid electrode of the MOS transistor NMOS2 is divided into two paths, one path is connected with the grid electrode of the MOS transistor NMOS1, the other path is connected with the grid electrode of the MOS transistor NMOS3, and the source electrode of the MOS transistor NMOS2 is grounded; the source electrode of the MOS tube NMOS3 is grounded, the drain electrode of the MOS tube NMOS3 is divided into three paths, the first path is connected with the node of the drain electrode of the MOS tube NMOS1 and the drain electrode of the MOS tube NMOS2, the second path is connected with the drain electrode of the MOS tube NMOS4, and the last path is used as the output end of the spot welder to be output; the source electrode of the MOS transistor NMOS4 is grounded, and the grid electrode of the MOS transistor NMOS4 is connected with the grid electrode of the MOS transistor NMOS 3; in this embodiment, the relay K1 is double-open and double-close, in a natural state, the capacitor C2 charges, the voltage at two ends reaches the input voltage, when the switch is pressed, the relay works, the capacitor C2 is disconnected and charges, the capacitor C is connected in series with the power module as a power supply to output a level equal to two times of the input voltage, the level output passes through the indicator lamp D8 and the resistor R2 to play a certain voltage division effect, the indicator lamp D8 is instantly lighted for indication at the same time, the output level controls the instant conduction of the large-current MOS transistor NMOS1-MOS transistor NMOS4, so that the short-time short circuit of the main circuit of the power module generates a high-heat spot welding effect.
In this embodiment, a spot welder is further provided, which includes the spot welder control circuit.
The utility model discloses a when spot welding switch S1 starts, the high level pulse that control pulse time control module can produce a short time is used for control switch on-off control module short time to start, makes power module short circuit, produces high fever spot welding effect at switch on-off control module' S output, simple structure, and convenient operation is fit for using widely on a large scale.
The above embodiments do not limit the scope of the present invention, and those skilled in the art can make equivalent modifications and variations without departing from the overall concept of the present invention.
Claims (4)
1. The spot welder control circuit is characterized by comprising a power supply module, a pulse time control module, a switch on-off control module and a spot welding switch S1, wherein the input end of the power supply module is provided with a power charging interface J1, the output end of the power supply module and the spot welding switch S1 are electrically connected with the input end of the pulse time control module, the output end of the pulse time control module is electrically connected with the input end of the switch on-off control module, and the output end of the switch on-off control module is used as the output end of a spot welder to be output.
2. The spot welding machine control circuit according to claim 1, wherein the pulse time control module comprises a relay K1, a rotating resistor W3, a resistor R1 and a capacitor C1, wherein 3 pins of the rotating resistor W3 are divided into two paths, one path is connected with 1 pin of the power charging interface J1, and the other path is connected with 1 pin of the relay K1; the 2 pin of the rotating resistor W3 is suspended; after the pin 1 of the rotary resistor W3 passes through the resistor R1, the pin is divided into two paths, one path is connected with the pin 2 of the spot welding switch S1, and the other path is connected with the pin 8 of the relay K1; one end of the capacitor C1 is connected with the pin 1 of the spot welding switch S1, and the other end is connected with a node between the pin 3 of the rotating resistor W3 and the pin 1 of the relay K1; the pin 2 and the pin 3 of the power supply charging interface J1 are both grounded; the 3 pins of the spot welding switch S1 are grounded; the pin 2 of the relay K1 is connected with the pin 7 of the relay K1 through a capacitor C2; the anode of the power supply module is connected with a node between the pin 3 of the rotary resistor W3 and the pin 1 of the relay K1, and the cathode of the power supply module is grounded; the 3 pins of the relay K1 are divided into two paths, one path is connected with the 1 pin of the relay K1, and the other path is connected with the 5 pin of the relay K1; and a pin 4 of the relay K1 is connected with the input end of the switch on-off control module, and a pin 6 of the relay K1 is grounded.
3. The spot welder control circuit according to claim 2, wherein the switch on-off control module comprises a MOS transistor NMOS1, a MOS transistor NMOS2, a MOS transistor NMOS3, a MOS transistor NMOS4, a resistor R2 and an indicator lamp D8, wherein the anode of the indicator lamp D8 is connected to the 4-pin of the relay K1, the cathode is divided into two paths, one path is grounded through the resistor R2, and the other path is connected to the gate of the MOS transistor NMOS 1; the source electrode of the MOS transistor NMOS1 is grounded, and the drain electrode of the MOS transistor NMOS1 is connected with the drain electrode of the MOS transistor NMOS 2; the grid electrode of the MOS transistor NMOS2 is divided into two paths, one path is connected with the grid electrode of the MOS transistor NMOS1, the other path is connected with the grid electrode of the MOS transistor NMOS3, and the source electrode of the MOS transistor NMOS2 is grounded; the source electrode of the MOS tube NMOS3 is grounded, the drain electrode of the MOS tube NMOS3 is divided into three paths, the first path is connected with the node of the drain electrode of the MOS tube NMOS1 and the drain electrode of the MOS tube NMOS2, the second path is connected with the drain electrode of the MOS tube NMOS4, and the last path is used as the output end of the spot welder to be output; the source electrode of the MOS transistor NMOS4 is grounded, and the grid electrode of the MOS transistor NMOS4 is connected with the grid electrode of the MOS transistor NMOS 3.
4. A spot welder, characterized in that it comprises a spot welder control circuit according to any of the claims 1-3.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921744223.3U CN210789636U (en) | 2019-10-17 | 2019-10-17 | Spot welder control circuit and spot welder using same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921744223.3U CN210789636U (en) | 2019-10-17 | 2019-10-17 | Spot welder control circuit and spot welder using same |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210789636U true CN210789636U (en) | 2020-06-19 |
Family
ID=71246722
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921744223.3U Active CN210789636U (en) | 2019-10-17 | 2019-10-17 | Spot welder control circuit and spot welder using same |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210789636U (en) |
-
2019
- 2019-10-17 CN CN201921744223.3U patent/CN210789636U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN210789636U (en) | Spot welder control circuit and spot welder using same | |
| CN201199256Y (en) | Electrolytic capacitor high-frequency great current tester | |
| CN206564464U (en) | A kind of current foldback circuit without sample resistance | |
| CN204291580U (en) | A kind of pad | |
| CN205490464U (en) | Delay circuit of repid discharge | |
| CN205212497U (en) | Power supply system is prevented in low -power consumption shutdown circuit and low -power consumption | |
| CN112636434A (en) | Pre-charging circuit suitable for high-voltage direct-current bus capacitor | |
| CN201075185Y (en) | Solar cell slice intelligent modulator | |
| CN206211534U (en) | A kind of reverse power connection protection device of Electronic-Lab | |
| CN206237636U (en) | A kind of solar street lamp controller | |
| CN220782557U (en) | Spot welder control circuit, device and system | |
| CN218771348U (en) | Circuit for quickly charging electric tool | |
| CN202712061U (en) | Drive circuit of constant-current relay | |
| CN210576309U (en) | Circuit for improving heating problem of discharge MOS tube | |
| CN2194781Y (en) | Power supply for wire cutting machine | |
| CN218902211U (en) | Stationary flow regulated power supply for static oil purifier | |
| CN204597765U (en) | A kind of single tube IGBT frequency converter | |
| CN210957871U (en) | Battery activation circuit without primary side connection | |
| CN208317072U (en) | A kind of PWM dimming device and its short-circuit protection circuit | |
| CN201423487Y (en) | Small energy-saving electric welding machine | |
| CN209356565U (en) | The current collection circuit of photovoltaic system monitoring module | |
| CN216209736U (en) | Current monitor for storage battery of photovoltaic system | |
| CN203556986U (en) | Secondary-side low-voltage start-up inversion arc welding power source | |
| CN203471097U (en) | Controller for adjustable homothermal electric soldering iron | |
| CN211129752U (en) | Novel electronic cigarette control system |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |