CN214023993U - Marine heat preservation nail welding machine circuit of energy storage formula - Google Patents
Marine heat preservation nail welding machine circuit of energy storage formula Download PDFInfo
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- CN214023993U CN214023993U CN202022877608.6U CN202022877608U CN214023993U CN 214023993 U CN214023993 U CN 214023993U CN 202022877608 U CN202022877608 U CN 202022877608U CN 214023993 U CN214023993 U CN 214023993U
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Abstract
The utility model discloses a marine heat preservation nail welding machine circuit of energy storage formula, including the AC transmission circuit, power frequency transformer T1, the energy storage transmission circuit, rectifier bridge pile D1, energy storage capacitor subassembly and welder circuit, power frequency transformer T1 corresponds and connects between AC transmission circuit and energy storage transmission circuit, film capacitor C1 has connected gradually on the energy storage transmission circuit, rectifier bridge pile D1, rectifier bridge pile D1 electricity is connected with the energy storage capacitor subassembly, the energy storage capacitor subassembly includes the aluminium electrolytic capacitor that a plurality of is parallelly connected each other, the last anti-parallel of energy storage capacitor subassembly has diode D2, still be equipped with Q1 and reactor L1 between energy storage capacitor subassembly and the welder circuit, reactor L1 is gone up and is parallelly connected with freewheeling diode D3. The utility model discloses a solid-state relay and components and parts combination circuit structure such as reactor, freewheeling diode, diode can effectively prolong aluminum electrolytic capacitor's discharge time, has improved the welding and has fused the quality to various components and parts in the ability protection circuit.
Description
Technical Field
The utility model relates to a marine heat preservation nail welding machine field especially relates to a marine heat preservation nail welding machine circuit of energy storage formula.
Background
The capacitor energy storage type stud welding machine is widely applied to welding of studs on metal sheets in industries such as sheet metal machining, heating ventilation, electronics, power distribution cabinets, medical equipment, cookers and household appliances, has the advantages of extremely short welding time, capability of completing welding within 1-3 ms generally, no need of other welding auxiliary materials, small thermal forming influence, no deformation of workpieces and the like, and greatly improves the production efficiency and the machining quality. The energy-accumulating stud welder consists of industrial frequency transformer or switch power supply, charge managing circuit, large capacity aluminum electrolytic capacitor, discharge SCR, control circuit, etc. When the welding machine is not welded, the charging management circuit charges the large-capacity aluminum electrolytic capacitor, and the charging is stopped after the large-capacity aluminum electrolytic capacitor is charged to the preset voltage. When the contact between a welding gun for clamping the stud and a workpiece is detected and a welding gun switch is pressed down, the discharge silicon controlled rectifier is triggered to be conducted, the charges stored on the high-capacity aluminum electrolytic capacitor are discharged at the tip of the stud, all stored energy is instantaneously released to the contact point of the tip of the stud, and the tip of the stud is melted and inserted into a workpiece molten pool to complete welding work.
The arc striking point of the marine heat-preservation nail is longer and sharper, so that the welding fusion time is longer, and the welding time is usually more than or equal to 10 ms; the discharge time of the conventional common energy storage type stud welding machine is 1-3 ms, and the welding time requirement of the marine heat preservation nail cannot be met, and the circuit structure of the conventional energy storage type stud welding machine adopts a discharge silicon controlled rectifier (silicon controlled rectifier discharge), so that after the silicon controlled rectifier is triggered and switched on, the discharge current and the discharge time cannot be controlled through a gate pole until the anode current and the cathode current of the silicon controlled rectifier are zero, and the discharge time is short. The circuit structure in the existing energy storage type stud welding machine can not meet the welding time requirement of the marine heat-insulating nail, can not achieve the purpose of prolonging the discharge time, and further can not ensure the good fusion of joints.
SUMMERY OF THE UTILITY MODEL
The weak point that exists to prior art, the utility model aims to provide an energy storage formula marine heat preservation nail welding machine circuit, components and parts combined circuit structure such as its solid state relay and reactor, freewheel diode, diode can effectively prolong aluminum electrolytic capacitor's discharge time to can reach the welding time requirement of marine nail welding machine, improve the welding and fuse the quality.
The purpose of the utility model is realized through the following technical scheme:
the utility model provides an energy storage formula marine heat preservation nail welding machine circuit, includes alternating current transmission circuit, power frequency transformer T1, energy storage transmission circuit, rectifier bridge heap D1, energy storage capacitor subassembly and welder circuit, power frequency transformer T1 corresponds and connects between alternating current transmission circuit and energy storage transmission circuit, film capacitor C1, rectifier bridge heap D1 have connected gradually on the energy storage transmission circuit, rectifier bridge heap D1 electricity is connected with the energy storage capacitor subassembly, and the energy storage capacitor subassembly includes the aluminium electrolytic capacitor of a plurality of parallel connection each other, the anti-parallel connection has diode D2 on the energy storage capacitor subassembly, still be equipped with thyristor Q1 and reactor L1 between energy storage capacitor subassembly and the welder circuit, parallel connection has freewheeling diode D3 on the reactor L1.
In order to better realize the utility model, the utility model also comprises a control circuit board, a solid relay K1 is connected on the energy storage and power transmission circuit, and a piezoresistor R1 is connected on the solid relay K1; the first end of the solid-state relay K1 is connected to an energy storage and power transmission circuit, the second end of the solid-state relay K1 is connected to a control circuit board, an enamel resistor R3 is connected between the energy storage capacitor assembly and the control circuit board, the thyristor Q1 and the reactor L1 are respectively connected to the control circuit board, and one end of the reactor L1 is grounded.
Preferably, a resistor R2 is connected in parallel to the film capacitor C1, and the energy storage capacitor assembly includes two aluminum electrolytic capacitors, which are an aluminum electrolytic capacitor C2 and an aluminum electrolytic capacitor C3, respectively.
Preferably, the alternating current transmission circuit is electrically connected with a power switch S1 and a power filter F2, the alternating current transmission circuit is arranged on a first side of the power frequency transformer T1, the energy storage transmission circuit is arranged on a second side of the power frequency transformer T1, the second side of the power frequency transformer T1 is further connected with an isolation voltage feedback circuit and a power supply detection circuit, and the isolation voltage feedback circuit and the power supply detection circuit are respectively and electrically connected with the control circuit board.
Preferably, a protective tube F1 and an axial flow fan B1 are further electrically connected to the alternating current transmission circuit, and a PIN socket P1 is electrically connected to the input end of the alternating current transmission circuit.
Preferably, the control circuit board is electrically connected with a digital display meter DS1 and a potentiometer RP1 respectively.
Preferably, 220V and 50Hz alternating current is input into the alternating current transmission circuit through a pin socket P1, the energy storage transmission circuit is 160V alternating current transformed by a power frequency transformer T1, the isolation voltage feedback circuit is 8V alternating current transformed by a power frequency transformer T1, and the power supply detection circuit is 14V alternating current transformed by a power frequency transformer T1.
Preferably, the control circuit board is also electrically connected with a tact switch S2.
Compared with the prior art, the utility model, have following advantage and beneficial effect:
the utility model provides an energy storage type marine heat preservation nail welding machine circuit for a marine nail welding machine, which has a solid-state relay, a reactor, a freewheeling diode, a diode and other component combined circuit structure, can effectively prolong the discharge time of an aluminum electrolytic capacitor, can meet the welding time requirement of a marine heat preservation nail, and improves the welding fusion quality; simultaneously, the utility model discloses can release the surplus electric energy in components and parts such as aluminium electrolytic capacitor, reactor safely, effectively protect various components and parts in the circuit, improve the security of circuit.
Drawings
Fig. 1 is a schematic circuit diagram of the present invention;
fig. 2 is a block diagram of a circuit structure of the control circuit board according to the second embodiment.
Detailed Description
The present invention will be described in further detail with reference to the following examples:
example one
As shown in fig. 1, the energy storage type thermal insulation nail welding machine circuit for ships comprises an alternating current transmission circuit, a power frequency transformer T1, an energy storage transmission circuit, a rectifier bridge stack D1, an energy storage capacitor assembly and a welding gun circuit, wherein the power frequency transformer T1 is correspondingly connected between the alternating current transmission circuit and the energy storage transmission circuit, the energy storage transmission circuit is sequentially connected with a thin film capacitor C1 and a rectifier bridge stack D1, the rectifier bridge stack D1 is electrically connected with the energy storage capacitor assembly, the energy storage capacitor assembly comprises a plurality of aluminum electrolytic capacitors which are connected in parallel, a thyristor D2 is connected in parallel on the energy storage capacitor assembly, a thyristor Q1 and a reactor L1 are further arranged between the energy storage capacitor assembly and the welding gun circuit, and a freewheeling diode D3 is connected in parallel on the reactor L1. The purpose of prolonging the discharging time of the energy storage capacitor component can be achieved through the circuit structure.
Preferably, the utility model also comprises a control circuit board, the energy storage and transmission circuit is connected with a solid relay K1, and the solid relay K1 is connected with a piezoresistor R1; the first end of the solid-state relay K1 is connected to the energy storage and power transmission circuit, the second end of the solid-state relay K1 is connected to the control circuit board, an enamel resistor R3 is connected between the energy storage capacitor assembly and the control circuit board, the thyristor Q1 and the reactor L1 are respectively connected to the control circuit board, and one end of the reactor L1 is grounded.
The utility model discloses it has resistance R2 to connect in parallel on the preferred film capacitor C1, and the energy storage capacitor subassembly includes two aluminum electrolytic capacitor, and two aluminum electrolytic capacitor are aluminum electrolytic capacitor C2 and electrolytic capacitor C3 respectively. The alternating current transmission circuit is electrically connected with a power switch S1 and a power filter F2, the alternating current transmission circuit is arranged on the first side of the power frequency transformer T1, the energy storage transmission circuit is arranged on the second side of the power frequency transformer T1, the second side of the power frequency transformer T1 is also connected with an isolation voltage feedback circuit and a power supply detection circuit, and the isolation voltage feedback circuit and the power supply detection circuit are respectively and electrically connected with the control circuit board.
A protective tube F1 and an axial flow fan B1 are further electrically connected to the alternating current transmission circuit, the axial flow fan B1 provides heat dissipation, and the input end of the alternating current transmission circuit is electrically connected with a delta-shaped socket P1. As shown in fig. 1, the control circuit board of the present invention is electrically connected to a digital display meter DS1 and a potentiometer RP 1; the control circuit board is also electrically connected with a tact switch S2.
As shown in fig. 1, the utility model discloses an alternating current transmission circuit inputs 220V through article word socket P1, 50 Hz's alternating current (of course, 380V's alternating current can be input to the alternating current transmission circuit, power frequency transformer T1's winding correspond can, power frequency transformer T1 also can the vary voltage be 160V in the same reason, 8V, 14V's three routes alternating current output), energy storage transmission circuit is the alternating current of 160V behind power frequency transformer T1 vary voltage, isolation voltage feedback circuit is 8V's alternating current behind power frequency transformer T1 vary voltage, power supply detection circuitry is 14V's alternating current behind power frequency transformer T1 vary voltage.
The utility model discloses whole circuit diagram is shown as figure 1, and its leading principle is: 220V/50Hz commercial power (in the embodiment, the principle of 220V/50Hz alternating current input is taken as an example for explanation) is input into a power switch S1 through a PIN socket P1, after passing through a fuse F1, one path of the commercial power supplies power to an axial flow fan B1 for heat dissipation, and the other path of the commercial power is filtered by a power filter F2 and then input into a power frequency transformer T1. 220V 50 Hz's commercial power is kept apart the step-down back through power frequency transformer T1, and a set of 160V's of output alternating current is for the back stage circuit (being energy storage transmission circuit) usefulness of charging, and a set of 8V's of output alternating current is for isolation voltage feedback amplifier power supply usefulness on the control circuit board, and last a set of 14V's of output alternating current is for the control circuit board power supply and be zero cross synchronous detection, and 8V's alternating current and 14V's alternating current do the utility model discloses an output of essential electric energy, this embodiment sets up for the function of reinforcing control circuit board. The on-off of 160V alternating current (namely, an energy storage and power transmission circuit) is controlled by a solid-state relay K1, and a voltage dependent resistor R1 mainly plays a role in protecting the solid-state relay K1. After being controlled by a solid-state relay K1, 160V alternating current is limited by a film capacitor C1 and then input to a rectifier bridge stack D1, the rectifier bridge stack D1 rectifies the direct current into pulsating direct current to charge a high-capacity aluminum electrolytic capacitor C2 and a high-capacity aluminum electrolytic capacitor C3 which are connected in parallel at the later stage (the aluminum electrolytic capacitor C2 and the aluminum electrolytic capacitor C3 of the embodiment jointly form an energy storage capacitor assembly), and the number of the aluminum electrolytic capacitors of the energy storage capacitor assembly connected in parallel can be two or more. The resistor R2 connected in parallel at the two ends of the thin-film capacitor C1 plays a role of discharging residual charges at the two ends of the thin-film capacitor C1 after shutdown, and the diode D2 connected in anti-parallel at the two ends of the aluminum electrolytic capacitor C2 and C3 plays a role of protecting the aluminum electrolytic capacitor. In the circuit of the utility model, the reactor L1 can effectively prolong the discharging time of the energy storage capacitor assembly, the fly wheel diode D3 is the fly wheel diode of the reactor L1, and the current in the reactor L1 is continuously provided with a path after the discharging is finished, so that the residual energy in the reactor L1 is discharged; the energy storage capacitor assembly is connected with an enamel resistor R3 to the control panel, the enamel resistor R3 plays a role of automatically discharging the stored charges of the aluminum electrolytic capacitor C2 and the aluminum electrolytic capacitor C3 when the welding machine is turned off, and plays a role of discharging redundant charges when the preset voltage is smaller than the voltage of the aluminum electrolytic capacitor. The energy storage capacitor component passes through the thyristor Q1 and then reaches the output terminal of the welding tongs of the welding machine, and the function of controlling the discharge welding of the welding machine is achieved; the digital display meter DS1 directly displays the voltage at two ends of the current capacitor, the potentiometer RP1 is used for adjusting the given voltage, and the tact switch S2 in the welding gun plays a role of sending out a welding signal.
Example two
The difference between the present embodiment and the first embodiment is that the control circuit board of the present embodiment has a circuit configuration as shown in fig. 2, and the control circuit board of the present embodiment includes an overheat protection unit circuit (which mainly plays a role of protecting the power frequency transformer T1 to prevent the transformer from being damaged due to overheating), a control board power supply and zero crossing detection circuit unit (which mainly supplies power to the control circuit board and detects zero crossing points of the power grid, and opens a solid-state relay at the zero crossing points when charging is required to prevent harmonic waves from polluting the power grid), an overcharge and shutdown discharge circuit unit (discharges redundant charges when the voltage on the aluminum electrolytic capacitor is higher than a preset voltage and automatically discharges after shutdown), a voltage feedback circuit unit (which can feed back the voltage at two ends of the capacitor, and compare the voltage with the preset voltage to be used as a basis for charging and discharging of the charging, A voltage setting circuit unit (mainly used for setting a charging voltage), a logic control circuit unit (mainly used for logically judging charging, back discharging and discharging of an aluminum electrolytic capacitor in a welding machine), a trigger discharging circuit unit (used for driving a thyristor to discharge when welding is needed), a welding switch unit circuit (mainly used for receiving a welding signal sent by a welding tongs or a welding gun), a charging management circuit unit (mainly used for switching on and off a solid-state relay to charge), a state indicating circuit unit (mainly used for indicating whether charging is completed or not, whether a machine is overheated or not, whether a heat preservation nail on the welding gun is contacted with a workpiece or not and whether a welding gun switch is pressed down) and a contact detection circuit unit; the contact detection circuit unit is mainly used for detecting whether a welding nail on a welding gun is in contact with a workpiece (when the contact with the workpiece is detected, the actual voltage at the two ends of the aluminum electrolytic capacitor is equal to the preset voltage, and the welding gun sends out a switching signal to trigger a silicon controlled rectifier (namely a thyristor) to discharge, otherwise, the silicon controlled rectifier does not discharge, so that the electric shock of a welder is prevented).
The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, as any modifications, equivalents, improvements and the like made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.
Claims (8)
1. The utility model provides a marine heat preservation nail welding machine circuit of energy storage formula which characterized in that: including alternating current transmission circuit, power frequency transformer T1, energy storage transmission circuit, rectifier bridge heap D1, energy storage capacitor subassembly and welder circuit, power frequency transformer T1 corresponds and connects between alternating current transmission circuit and energy storage transmission circuit, film capacitor C1, rectifier bridge heap D1 have connected gradually on the energy storage transmission circuit, rectifier bridge heap D1 electricity is connected with the energy storage capacitor subassembly, and the energy storage capacitor subassembly includes the aluminium electrolytic capacitor that a plurality of was parallelly connected each other, diode D2 is gone up in parallel connection on the energy storage capacitor subassembly, still be equipped with thyristor Q1 and reactor L1 between energy storage capacitor subassembly and the welder circuit, reactor D3 is gone up in parallel connection on the L1.
2. The circuit of the energy-storage marine thermal nail welding machine according to claim 1, wherein: the energy storage and power transmission circuit is connected with a solid-state relay K1, and the solid-state relay K1 is connected with a piezoresistor R1; the first end of the solid-state relay K1 is connected to an energy storage and power transmission circuit, the second end of the solid-state relay K1 is connected to a control circuit board, an enamel resistor R3 is connected between the energy storage capacitor assembly and the control circuit board, the thyristor Q1 and the reactor L1 are respectively connected to the control circuit board, and one end of the reactor L1 is grounded.
3. The circuit of the energy-storage marine thermal nail welder according to claim 1 or 2, wherein: the film capacitor C1 is connected with a resistor R2 in parallel, the energy storage capacitor assembly comprises two aluminum electrolytic capacitors, and the two aluminum electrolytic capacitors are respectively an aluminum electrolytic capacitor C2 and an electrolytic capacitor C3.
4. The circuit of the energy-storage marine thermal nail welding machine according to claim 2, wherein: the alternating current transmission circuit is electrically connected with a power switch S1 and a power filter F2, the alternating current transmission circuit is arranged on the first side of a power frequency transformer T1, the energy storage transmission circuit is arranged on the second side of the power frequency transformer T1, the second side of the power frequency transformer T1 is further connected with an isolation voltage feedback circuit and a power supply detection circuit, and the isolation voltage feedback circuit and the power supply detection circuit are respectively and electrically connected with the control circuit board.
5. The circuit of the energy-storage marine thermal nail welding machine according to claim 4, wherein: the alternating current transmission circuit is further electrically connected with a protective tube F1 and an axial flow fan B1, and the input end of the alternating current transmission circuit is electrically connected with a PIN socket P1.
6. The circuit of the energy-storage marine thermal nail welding machine according to claim 4, wherein: the control circuit board is respectively and electrically connected with a digital display meter DS1 and a potentiometer RP 1.
7. The circuit of the energy-storage marine thermal nail welding machine according to claim 4, wherein: the alternating current transmission circuit inputs alternating current of 220V and 50Hz through a PIN socket P1, the energy storage transmission circuit is 160V alternating current transformed by a power frequency transformer T1, the isolation voltage feedback circuit is 8V alternating current transformed by a power frequency transformer T1, and the power supply detection circuit is 14V alternating current transformed by a power frequency transformer T1.
8. The circuit of the energy-storage marine thermal nail welding machine according to claim 6, wherein: the control circuit board is also electrically connected with a tact switch S2.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022877608.6U CN214023993U (en) | 2020-12-04 | 2020-12-04 | Marine heat preservation nail welding machine circuit of energy storage formula |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022877608.6U CN214023993U (en) | 2020-12-04 | 2020-12-04 | Marine heat preservation nail welding machine circuit of energy storage formula |
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| Publication Number | Publication Date |
|---|---|
| CN214023993U true CN214023993U (en) | 2021-08-24 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022877608.6U Active CN214023993U (en) | 2020-12-04 | 2020-12-04 | Marine heat preservation nail welding machine circuit of energy storage formula |
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|---|---|
| CN (1) | CN214023993U (en) |
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- 2020-12-04 CN CN202022877608.6U patent/CN214023993U/en active Active
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