CN219026245U

CN219026245U - Welding dormancy device

Info

Publication number: CN219026245U
Application number: CN202222556869.7U
Authority: CN
Inventors: 卢意; 黄孝才; 范强国
Original assignee: Shenzhen Aixun Intelligent Hardware Co ltd
Current assignee: Shenzhen Aixun Intelligent Hardware Co ltd
Priority date: 2022-09-26
Filing date: 2022-09-26
Publication date: 2023-05-16
Anticipated expiration: 2032-09-26

Abstract

The utility model relates to a technical field of welding circuit especially relates to a welding dormancy device, it includes the welding pen, weld the platform and be used for making the welding platform be in dormancy or awaken-up state's dormancy module, be provided with heating module in the welding platform, control module is used for outputting control signal, heating module connects in control module in order to receive corresponding control signal, and control the welding pen according to corresponding control signal and heat, be provided with the dormancy seat that is used for placing the welding pen on the welding platform, dormancy module is used for detecting whether the welding pen is placed on dormancy seat in order to export corresponding dormancy signal, control module receives dormancy signal in order to control the welding platform dormancy or awaken-up. The method has the effect of accurately and sensitively realizing sleep monitoring so that the welding table is in sleep.

Description

Welding dormancy device

Technical Field

The application relates to the technical field of welding circuits, in particular to a welding dormancy device.

Background

The welding device generally comprises a welding pen and a welding table, and the welding pen is controlled by the welding table to heat so as to weld the workpieces.

Besides welding a workpiece through the welding pen during operation, when a processing task is not needed, the welding table needs to be in a dormant state, namely, the welding table stops heating control of the welding pen, so that the welding pen is prevented from being in a heating state all the time when the welding pen does not operate, electric energy can be wasted, and a large potential safety hazard exists.

In the related art, the traditional welding table adopts a mercury switch or a reed pipe to carry out dormancy monitoring, the welding table is in a working state in daily conditions, when the welding pen is placed at a corresponding position of the welding table to trigger mercury in the mercury switch to contact with two electric shock ends or trigger two electrode plates of the reed pipe, the welding table can enter the dormancy state, but a glass shell of the mercury switch is easy to break, the utilization rate of the mercury switch is lower, the problem of poor contact is easy to occur in use, and a contact point and a reed of the reed pipe are quite small and exquisite, so that the reed pipe is difficult to bear high voltage or large current, when the current is too large, the reed loses elasticity due to overheat, namely, the switching capacity is small, the contact point is easy to shake and the contact resistance of the contact point is large; this makes the conventional welding station insensitive and inaccurate during sleep monitoring.

Disclosure of Invention

In order to accurately and sensitively realize sleep monitoring so that a welding table can sleep and wake up, the application provides a welding sleep device.

The application provides a welding dormancy device adopts following technical scheme:

the utility model provides a welding dormancy device, includes welding pen, welding bench and is used for making the welding bench be in dormancy or the dormancy module of awakening the state, be provided with heating module, control module in the welding bench, control module is used for the output control signal, heating module connect in control module is in order to receive corresponding control signal to control the welding pen according to corresponding control signal control and heat, be provided with the dormancy seat that is used for placing the welding pen on the welding bench, dormancy module is used for detecting whether the welding pen is placed in on the dormancy seat in order to output corresponding dormancy signal, control module receives dormancy signal is in order to control the welding bench dormancy or awaken.

Through adopting above-mentioned technical scheme, under the daily operating condition, the welding pen leaves the dormancy seat, dormancy module detects not having the welding pen on the dormancy seat, control module receives the dormancy signal at this moment in order to control heating module and heats the welding pen, so make the welding bench be in the awakening state, after the welding pen finishes, place the welding pen on the dormancy seat, dormancy module detects that the welding pen has been placed on the dormancy seat, output corresponding dormancy signal, control module receives the heating of control heating module stop butt welding pen behind the dormancy signal, the welding bench is in the dormancy state.

At this time, the dormant circuit and the dormant detection IO line are in a separated state, the control module detects that the dormant detection IO line is in a high level state, the heating function is normal, and when the dormant state needs to be entered, the end part of the dormant circuit is contacted with the dormant detection IO line.

Preferably, the sleep module comprises a sleep circuit and a sleep detection IO line, the sleep circuit is arranged in the welding pen, one end of the sleep circuit is connected with the welding pen, the shell of the welding pen is grounded, the other end of the sleep circuit is connected with the sleep detection IO line to output a sleep signal, one end of the sleep detection IO line is electrically connected with the sleep seat, the other end of the sleep detection IO line is connected with the control module, and the control module acquires the sleep signal through the sleep detection IO line and controls the welding table to sleep or wake up according to the corresponding sleep signal.

By adopting the technical scheme, when the welding pen is in the working state, the welding pen and the welding table are separated, at the moment, the dormant circuit and the dormant detection IO line are in the separation state, the control module detects that the dormant detection IO line is in the high level state, the heating function is normal, and when the welding pen is placed on the dormant seat, the end part of the dormant circuit is contacted with the dormant detection IO line, because the welding pen shell is grounded, the level of the dormant detection IO line can be changed into the low level from the high level, and the welding table immediately enters the dormant state.

Preferably, the welding machine further comprises a load identification module, wherein the load identification module is used for detecting loads of different types of welding pens to output corresponding load signals, and the control module is connected with the load identification module to receive the corresponding load signals and control the welding pens to heat according to the load signals.

Preferably, the load identification module comprises a load identification circuit, a load identification line and a load identification resistor, one end of the load identification circuit is connected to the welding pen, the other end of the load identification circuit is connected with the load identification line, one end of the load identification line is connected to the handle of the welding pen, the other end of the load identification line is connected to the control module, and the load identification resistor is connected in series with the load identification line.

By adopting the technical scheme, the control module determines which welding pen load is connected to the equipment by detecting the voltage value of the load identification line connected to the pin, so that different loads are displayed on the interface, the principle of resistance voltage division is flexibly applied, and which welding pen is identified by the load identification resistance with different resistance values connected in series between the load identification line and the ground wire, so that the welding pen is switched to a corresponding heating algorithm.

Preferably, the welding device further comprises a replacement module, the welding table is further provided with a replacement seat for replacing the welding pen, the replacement module is used for detecting whether the welding pen is positioned in the replacement seat and outputting a corresponding replacement signal, and the control module is connected with the replacement module to receive the replacement signal, control the welding table to sleep or wake up according to the replacement signal and control the welding pen to heat or not according to the replacement signal.

Through adopting above-mentioned technical scheme, when the replacement module detects that the welding pen is placed on the replacement seat, output corresponding replacement signal to control module, control module receives the replacement signal and then does not control the welding pen and heat nor control the welding bench and sleep either to this can replace the welding pen, and when detecting that the welding pen is not placed on the replacement seat, the welding pen can heat, and the welding bench also can be in sleep mode.

Preferably, the replacement module comprises a replacement circuit and a replacement detection IO line, one end of the replacement circuit is connected to the welding pen, the other end of the replacement circuit is connected with the replacement detection IO line to output corresponding replacement signals, one end of the replacement detection IO line is electrically connected to the replacement seat, the other end of the replacement detection IO line is connected to the control module, the control module receives the replacement signals through the replacement detection IO line, controls the welding table to sleep or wake up according to the corresponding replacement signals, and controls the welding pen to heat or not heat according to the replacement signals.

Through adopting above-mentioned technical scheme, when needs the butt welding pen replace, in order to make the welding bench control the operating condition more accurate, control module detects the pin level of replacement detection IO line, normally be high level, equipment does not get into the state of replacement welding pen at this moment, make welding bench and welding pen can get into dormancy or heating state, and when needs the butt welding pen replace, make replacement circuit and replacement detection IO line contact, because replacement circuit is ground connection, so after replacement circuit contacted the replacement detection IO line, the level of replacement detection IO line can become low level from high level, the welding bench immediately gets into the replacement state, at this moment welding pen and not heating also not dormancy, in order to make things convenient for the butt welding pen to replace.

Preferably, a temperature measuring circuit is arranged in the welding table and is used for detecting the temperature of the welding pen and outputting a corresponding temperature measuring signal, and the control module is connected with the temperature measuring signal to acquire the temperature of the welding pen.

Through adopting above-mentioned technical scheme, detect the operating temperature of welding pencil through temperature measurement circuit to send the testing result to control module, so that follow-up control module monitors the operating condition of welding pencil conveniently.

Preferably, the temperature measuring circuit includes an operational amplifier U1, one end of the operational amplifier U1 is connected to the welding pen, and the other end is connected to the control module 2.

In summary, the present application includes at least one of the following beneficial technical effects:

1. by improvement, the dormant detection IO line is contacted with the dormant seat, and when the welding pen is placed on the dormant seat due to the fact that the welding pen shell is grounded, the dormant detection IO level is changed from a high level to a low level, and the welding table enters a dormant state;

2. on the basis of not greatly increasing the cost, the voltage value after voltage division is sampled and identified by a control module through flexibly applying a resistor voltage division principle, and connecting resistors with different resistance values in series on a handle installed on a welding pen through a load identification line and a ground wire, and switching to a corresponding heating algorithm;

3. when the welding pen is replaced, in order to enable the welding table to control the working state more accurately, the replacement detection IO line is contacted with the replacement seat, and because the welding pen shell is grounded, when the welding pen is placed on the replacement seat, the replacement detection IO level is changed from a high level to a low level, and the welding table enters the replacement state.

Drawings

FIG. 1 is a simplified schematic diagram of a welding pen and a welding station in an embodiment of the present application;

FIG. 2 is an overall module schematic of an embodiment of the present application;

FIG. 3 is a schematic diagram of the circuit connections of a heating module in an embodiment of the present application;

FIG. 4 is a schematic diagram of circuit connection of a sleep module according to an embodiment of the present application;

FIG. 5 is a schematic circuit connection diagram of a load identification module according to an embodiment of the present application;

FIG. 6 is a schematic diagram of circuit connections of a shift module in an embodiment of the present application;

FIG. 7 is a schematic diagram of circuit connection of a temperature measurement circuit in an embodiment of the present application.

Reference numerals illustrate: 1. a heating module; 2. a control module; 3. a sleep module; 31. a sleep circuit; 32. a sleep detection IO line; 4. a load identification module; 41. a load identification circuit; 42. a load identification line; 43. a load identification resistor; 5. a replacement module; 51. a replacement circuit; 52. replacement detection IO line; 6. a temperature measuring circuit; 7. a welding table; 8. a welding pen; 9. a sleep seat; 10. a handle; 11. and replacing the seat.

Detailed Description

The present application is described in further detail below in conjunction with figures 1-7.

The embodiment of the application discloses a welding dormancy device.

As shown in fig. 1 and 2, a welding dormancy apparatus includes a welding pen 8, a welding table 7, a heating module 1, a control module 2, and a dormancy module 3.

The control module 2 is used for outputting control signals, the heating module 1 is connected to the control module 2 to receive corresponding control signals, heating on-off of the welding pen 8 is realized according to the corresponding control signals, the welding table 7 is provided with a dormant seat 9 for placing the welding pen 8, the dormant module 3 is used for monitoring whether the welding pen 8 is placed on the dormant seat 9 to output corresponding dormant signals, and the control module receives the dormant signals to control the welding table 7 to dormant or wake up.

The dormancy module 3 includes dormancy circuit 31 and dormancy detection IO line 32, and dormancy circuit 31 sets up in the welding pen 8, and the shell ground of welding pen 8, dormancy detection IO line 32 electricity are connected on dormancy seat 9, and dormancy circuit 31 one end is connected in welding pen 8, and the other end is used for connecting dormancy detection IO line 32, and dormancy detection IO line 32 one end is connected in control module 2, and control module 2 acquires the dormancy signal through dormancy detection IO line 32 to according to corresponding dormancy signal control welding bench 7 dormancy or awaken.

In this way, in the daily working state, the control module 2 controls the heating module 1 to heat, so that the welding pen 8 is in the working state, at this time, the dormant circuit 31 and the dormant detection IO line 32 are in the separated state, the control module 2 detects that the dormant detection IO line 32 is in the high level state, the heating function is normal, and when the dormant state needs to be entered, the end part of the dormant circuit 31 is contacted with the dormant detection IO line 32, because the dormant circuit 31 is grounded, when the dormant circuit 31 contacts the dormant detection IO line 32, the level of the dormant detection IO line 32 is changed from the high level to the low level, and the welding table 7 immediately enters the dormant state.

In this embodiment of the present application, the control module 2 is a controller, which may be a conventional component such as a single chip microcomputer, and only needs to meet the conventional functions of collecting and sending signals, determining level signals, calculating voltage signals, and the like, and the effects in this application.

As shown in fig. 3, the heating module 1 includes a transistor Q1 and a P-channel fet Q2. The base of the triode Q1 is connected to the control module 2 to receive a control signal, the emitter of the triode Q1 is grounded, the collector of the triode Q1 is connected to the grid G of the P-channel field effect transistor Q2, the source S of the P-channel field effect transistor Q2 is connected to VDD_heat_IN, and the drain D of the P-channel field effect transistor Q2 is connected to VDD_heat_OUT.

Wherein vdd_heat_in is 12v, vdd_heat_out is connected to the subsequent heating element, and transistor Q1 is an NPN transistor.

The on-off control of the heating voltage exceeding the control signal is realized through the NPN triode Q1 and the P channel field effect transistor Q2, and the level of the control signal is 2.8V. When the heating_control signal is high, HEATING is turned on; when the HEATING_CONTROL signal is low, the HEATING is turned off and the HEATING_CONTROL signal is the CONTROL signal.

Further, a base electrode of the triode Q1 is connected with a resistor R1, a resistor R2 is connected between the base electrode and the emitter electrode of the triode Q1, a resistor R3 is directly connected in series with a grid electrode G of the P-channel field effect transistor Q2, and a resistor R4 is connected in parallel between the resistor R3 and a source electrode S of the P-channel field effect transistor Q2.

As shown in fig. 3, a resistor R5 is connected in series to the SLEEP detection IO line 32 for limiting current, and has one end being sleep_mcu for obtaining a SLEEP signal and the other end being sleep_out for outputting the SLEEP signal. The SLEEP circuit 31 includes a bidirectional zener diode D1, one end of the bidirectional zener diode D1 is connected to the sleep_mcu of the SLEEP detection IO line 32, and the other end is grounded and VCC, respectively. A capacitor C1 is connected between one end of the bidirectional zener diode D1 and ground.

As shown in fig. 1 and 5, the device further comprises a load identification module 4, the load identification module 4 is used for detecting the loads of the different types of welding pens 8 to output corresponding load signals, and the control module 2 is connected to the load identification module 4 to receive the corresponding load signals and control the welding pens 8 to heat according to the load signals

The load identification module 4 comprises a load identification circuit 41, a load identification line 42 and a load identification resistor 43, one end of the load identification circuit 41 is grounded, the other end of the load identification circuit is connected with the load identification line 42, one end of the load identification line 42 is connected with the control module 2 to output corresponding load signals, the other end of the load identification line is connected with the load identification circuit 41, a plurality of load identification resistors 43 are connected with the load identification line 42, and the resistance values of the load identification resistors 43 are different.

The conventional soldering station 7 supports only a single type of soldering pen 8, but cannot be identified when other types of soldering pens 8 are required. In the implementation of the present application, the control module 2 determines which solder pen 8 is connected to the device by detecting the voltage value of the load identification line 42 connected to the pin, so as to display different loads on the interface, flexibly apply the principle of resistance voltage division, and identify which solder pen 8 is connected to the corresponding heating algorithm by the load identification resistor 43 with different resistance values connected in series between the load identification line 42 and the ground line.

In this embodiment, the load identification line 42 has one end id_mcu for acquiring a load signal and the other end id_out for outputting a load signal, and a resistor R6 is connected in series thereto. The load identification circuit 41 includes a bidirectional voltage regulator D2, one end of the bidirectional voltage regulator D2 is used for the id_mcu of the load identification line 42, the other end is grounded and VCC respectively, and a capacitor C2 is connected between one end of the bidirectional voltage regulator D2 and the ground. The load identification resistor 43 is connected to the load identification line 42, and the other end is connected to VCC. It should be noted that, the plurality of load identification resistors 43 are always kept at the same time and only one load identification resistor 43 is connected to the load identification line 42, so as to realize the identification of the type of the welding pen 8 according to the load identification resistors 43 with different resistance values.

As shown in fig. 1 and 6, the welding station 7 further comprises a replacement module 5, a replacement seat 11 for replacing the welding pen 8 is further arranged on the welding station 7, the replacement module 5 is used for detecting whether the welding pen 8 is positioned in the replacement seat 11 and outputting a corresponding replacement signal, the control module 2 is connected with the replacement module 5 to receive the replacement signal, and controls the welding station 7 to sleep or wake up according to the replacement signal, and controls the welding pen 8 to heat or not according to the replacement signal

The replacement module 5 includes a replacement circuit 51 and a replacement detection IO line 52, one end of the replacement circuit 51 is connected to the welding pen 8, the other end is used for connecting the replacement detection IO line 52 to output a corresponding replacement signal, one end of the replacement detection IO line 52 is electrically connected to the replacement seat 11, the other end is connected to the control module 2, the control module 2 receives the replacement signal through the replacement detection IO line 52, and controls the welding table 7 to sleep or wake up according to the corresponding replacement signal, and also controls the welding pen 8 to heat or not heat according to the replacement signal.

When the welding pen 8 needs to be replaced, in order to enable the welding table 7 to control the working state more accurately, the control module 2 detects the pin level of the replacement detection IO line 52, and is at a high level under normal conditions, the equipment does not enter the state of replacing the welding pen 8, so that the welding table 7 and the welding pen 8 can enter a dormant or heating state, when the welding pen 8 needs to be replaced, the replacement circuit 51 is in contact with the replacement detection IO line 52, and because the replacement circuit 51 is grounded, after the replacement circuit 51 contacts the replacement detection IO line 52, the level of the replacement detection IO line 52 is changed from the high level to the low level, and the welding table 7 enters the replacement state immediately, and the welding pen 8 do not heat and are not dormant, so that the welding pen 8 is convenient to replace.

In this embodiment, a resistor R7 is connected in series to the replacement detection IO line 52 for limiting current, and has one end being ht_mcu for obtaining the replacement signal and the other end being ht_out for outputting the replacement signal. The replacement circuit 51 includes a diac D3, one end of the diac D3 is connected to the ht_mcu of the replacement detection IO line 52, and the other end is grounded and VCC, respectively. A capacitor C3 is connected between one end of the bidirectional zener diode D3 and the ground.

As shown in fig. 7, the temperature measuring device further comprises a temperature measuring circuit 6, the temperature measuring circuit 6 is arranged in the welding table 7, the temperature measuring circuit 6 is used for detecting the temperature of the welding pen 8 and outputting corresponding temperature measuring signals, and the control module 2 is connected with the temperature measuring circuit to obtain the temperature of the welding pen 8

The temperature measuring circuit 6 comprises an operational amplifier U1, one end of the operational amplifier U1 is connected with the welding pen 8 to receive the heating signal and amplify the heating signal to obtain a temperature measuring signal, and the other end of the operational amplifier U1 is connected with the control module 2 to output the temperature measuring signal.

In the embodiment of the application, the operational amplifier U1 amplifies the small signal T at two ends of the thermocouple of the welding pen 8, and outputs a temperature signal: ADC_IRON_TEMP is connected to the control module 2, so that the temperature detection of the welding pen 8 is realized.

Fig. 7 discloses an operational amplifier U1 and related circuit components in the temperature measurement circuit 6.

The implementation principle is as follows:

under the daily operating condition, the welding pen 8 leaves the dormant seat 9, the dormant module 3 detects that the dormant seat 9 is not provided with the welding pen 8, the control module 2 receives the dormant signal at the moment to control the heating module 1 to heat the welding pen 8, so that the welding table 7 is in a wake-up state, when the welding pen 8 works, the welding pen 8 is placed on the dormant seat 9, the dormant module 3 detects that the dormant seat 9 is provided with the welding pen 8, the control module 2 outputs a corresponding dormant signal, and after receiving the dormant signal, the control module 2 controls the heating module 1 to stop heating the welding pen 8, and the welding table 7 is in a dormant state.

The foregoing are all preferred embodiments of the present application, and are not intended to limit the scope of the present application in any way, therefore: all equivalent changes in structure, shape and principle of this application should be covered in the protection scope of this application.

Claims

1. A welding dormancy device, characterized in that: including welding pen (8), welding table (7) and be used for making welding table (7) be in dormancy or awaken-up state's dormancy module (3), be provided with heating module (1), control module (2) in welding table (7), control module is used for output control signal, heating module (1) connect in control module (2) in order to receive corresponding control signal to heat according to corresponding control signal control welding pen (8), be provided with on welding table (7) and be used for placing dormancy seat (9) of welding pen (8), dormancy module (3) are used for detecting whether welding pen (8) place in on dormancy seat (9) in order to output corresponding dormancy signal, control module (2) receive dormancy signal is in order to control welding table (7) awaken.

2. A welding sleep device as claimed in claim 1, wherein: the sleep module (3) comprises a sleep circuit (31) and a sleep detection IO line (32), the sleep circuit (31) is arranged in the welding pen (8), one end of the sleep circuit (31) is connected with the welding pen (8), the shell of the welding pen (8) is grounded, the other end of the sleep circuit (31) is used for being connected with the sleep detection IO line (32) to output a sleep signal, one end of the sleep detection IO line (32) is electrically connected with the sleep seat (9), the other end of the sleep detection IO line is connected with the control module (2), and the control module (2) acquires the sleep signal through the sleep detection IO line (32) and controls the welding table (7) to sleep or wake up according to the corresponding sleep signal.

3. A welding dormancy device according to claim 2, wherein: the welding machine further comprises a load identification module (4), wherein the load identification module (4) is used for detecting loads of different types of welding pens (8) to output corresponding load signals, and the control module (2) is connected with the load identification module (4) to receive the corresponding load signals and control the welding pens (8) to heat according to the load signals.

4. A welding sleep device as claimed in claim 3, characterized in that: the load identification module (4) comprises a load identification circuit (41), a load identification line (42) and a load identification resistor (43), one end of the load identification circuit (41) is connected with the welding pen (8), the other end of the load identification circuit is used for being connected with the load identification line (42), one end of the load identification line (42) is connected with the handle (10) of the welding pen (8), the other end of the load identification line is connected with the control module (2), and the load identification resistor (43) is connected with the load identification line (42) in series.

5. A welding sleep device as defined in claim 4, wherein: the welding machine further comprises a replacement module (5), wherein the welding table (7) is further provided with a replacement seat (11) for replacing the welding pen (8), the replacement module (5) is used for detecting whether the welding pen (8) is located in the replacement seat (11) and outputting corresponding replacement signals, and the control module (2) is connected with the replacement module (5) to receive the replacement signals and control the welding table (7) to sleep or wake up according to the replacement signals and control the welding pen (8) to heat or not according to the replacement signals.

6. A welding sleep device as defined in claim 5, wherein: the replacement module (5) comprises a replacement circuit (51) and a replacement detection IO line (52), one end of the replacement circuit (51) is connected to the welding pen (8), the other end of the replacement circuit is connected with the replacement detection IO line (52) to output corresponding replacement signals, one end of the replacement detection IO line (52) is electrically connected with the replacement seat (11), the other end of the replacement detection IO line is connected with the control module (2), the control module (2) receives the replacement signals through the replacement detection IO line (52), and controls the welding table (7) to sleep or wake up according to the corresponding replacement signals, and controls the welding pen (8) to heat or not heat according to the replacement signals.

7. A welding sleep device as claimed in claim 1, wherein: the welding table (7) is internally provided with a temperature measuring circuit (6), the temperature measuring circuit (6) is used for detecting the temperature of the welding pen (8) and outputting corresponding temperature measuring signals, and the control module (2) is connected with the temperature measuring signals to acquire the temperature of the welding pen (8).

8. A welding sleep device as defined in claim 7, wherein: the temperature measuring circuit (6) comprises an operational amplifier (U1), one end of the operational amplifier (U1) is connected with the welding pen (8), and the other end of the operational amplifier is connected with the control module (2).