CN202438794U - Internet-of-Things system of electric welding machine - Google Patents
Internet-of-Things system of electric welding machine Download PDFInfo
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- CN202438794U CN202438794U CN2012200273861U CN201220027386U CN202438794U CN 202438794 U CN202438794 U CN 202438794U CN 2012200273861 U CN2012200273861 U CN 2012200273861U CN 201220027386 U CN201220027386 U CN 201220027386U CN 202438794 U CN202438794 U CN 202438794U
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Abstract
The utility model discloses an Internet-of-Things system of an electric welding machine. The Internet-of-Things system is provided with a power switch unit, an insulation detection unit, a wireless alarm transmitting and receiving and driving control unit, a manual trigger alarm unit and a closing signal transmitting circuit, wherein the power switch unit is connected with a power input end of the electric welding machine; the insulation detection unit is connected with a transformer T of the electric welding machine; the wireless alarm transmitting and receiving and driving control unit is connected with the power switch unit and the insulation detection unit respectively; and the manual trigger alarm unit and the closing signal transmitting circuit are connected with the wireless alarm transmitting and receiving and driving control unit. According to the Internet-of-Things system, a wireless alarm signal can be automatically sent to management personnel and closing requirement signals which are transmitted by welding operation personnel at special stations inconvenient to close by using a ring line can be transmitted; and patrol and safety inspection personnel hold wireless receiving devices and can quickly handle the electric welding machines to be overhauled after receiving the signals, so that safety accidents are prevented, and the personal safety of the welding operation personnel is guaranteed. The closing requirement signals of the welding operation personnel at the special stations are conveniently transmitted, so that quick closing is realized, and the labor productivity is favorably improved.
Description
Technical field
The utility model relates to a kind of Internet of things system.Particularly relate to a kind of through Internet of Things, to the electric welding machine Internet of things system of electric welding machine insulating monitoring and control.
Background technology
Shipbuilding industry weld job amount is big, uses electric welding machine in a large number, and larger have thousands of electric welding machines at least.Whether the insulation of butt welding machine quality has been forgotten to operate a switch when coming off duty or when having a meal noon, causes unloaded power consumption, and which platform welding machine cisco unity malfunction, needs repairing or changes, and all need unify or divide several departments to manage.But because operating environment is complicated, lacks the otherwise effective technique management means electric welding machine is managed, the incident that often has electric welding machine to electrocute the people for many years takes place, and waste of electric energy is also very surprising, fails effectively to be solved all the time.
Welding machine in the factory building is relatively good, and the welding machine of a large amount of open-air uses is managed difficulty a lot, and the dead angle is arranged easily, and needs a large amount of manual works to operate, and operating personnel's sense of responsibility must be very by force.The more important thing is that butt welding machine do not know what's what, can influence production efficiency, cause energy waste, electric leakage is hurted sb.'s feelings easily.
Summary of the invention
The utility model technical problem to be solved is a kind of real-time monitoring electric welding machine insulation situation to be provided, the electric welding machine Internet of things system of guarantee weld job personnel personal safety.
The technical scheme that the utility model adopted is: a kind of electric welding machine Internet of things system; Comprise: the power switch unit that links to each other with the power input of electric welding machine; The insulation detecting unit that links to each other with electric welder transformer T; Connect power switch unit respectively and insulate the wireless receiving and dispatching warning and the driving control unit of detecting unit mutually, and manual activation alarm unit that links to each other with wireless receiving and dispatching warning and driving control unit and transmission switching signal circuit.
Described power switch unit includes an end and connects the power line that the power supply other end connects electric welding machine; The power input of described power line is provided with the dropout switch; Be with the earth leakage protective magnet ring on the power line of said dropout switch outlet side; Wherein, Between the low-voltage end of the power line between dropout switch outlet side and the earth leakage protective magnet ring and the high voltage end at the power line of electric welding machine end, be serially connected with resistance R L ', the end that is positioned at the dropout switch of said resistance R L ' is to report to the police and driving control unit connects power line through wireless receiving and dispatching.
Described insulation detecting unit includes the main switch that connects power supply, the coil of the relay K 6 that is in parallel with main switch respectively and the primary coil of transformer T, wherein; The end of the first normally-closed contact K61 of relay K 6 connects power supply, and the other end connects a end of rectifier bridge Q1 respectively, and a of rectifier bridge Q2 end; The end of the 3rd normally-closed contact K63 of relay K 6 connects power supply, and the other end connects the c end of rectifier bridge Q2, the b end ground connection of said rectifier bridge Q1; The c end connects the c end of rectifier bridge Q2, and the d end is connected the inverting input of comparator F successively with resistance R 2 through resistance R 6, and the inverting input of said comparator F is also successively through resistance R 2 and capacitor C 1 ground connection; And the series connection ground connection of passing through resistance R 2 and resistance R 5; The b end ground connection of described rectifier bridge Q2, d holds the primary coil that meets transformer T through the second normally-closed contact K62 of relay K 6, and the secondary coil of transformer T is through capacitor C 2 ground connection; And the in-phase input end that passes through resistance R 3 connection comparator F; The in-phase input end of said comparator F is also through the connect ground connection of resistance R 3 with resistance R 4, and the output of said comparator F is through the base stage of resistance R 1 connection triode G1, the grounded emitter of said triode G1; Colelctor electrode connects power supply VCC through the coil of relay K 5; And be connected power supply VCC through resistance R 7 with light emitting diode D1 successively, and described comparator F also directly connects power supply, and the normally opened contact of said relay K 5 connects wireless receiving and dispatching and reports to the police and driving control unit.
Described insulation detecting unit includes the main switch that connects power supply, the coil of the relay K 6 that is in parallel with main switch respectively and the primary coil of transformer T, wherein; The end of the first normally-closed contact K61 of relay K 6 connects power supply; The other end connects an end of resistance R 7 respectively, and an end that connects the second normally-closed contact K62 of relay K 6, and the other end of the second normally-closed contact K62 of said relay K 6 connects the primary coil of transformer T; The other end of said resistance R 7 connects 1 pin of photoelectrical coupler E2; The secondary coil of transformer T connects 1 pin of photoelectrical coupler E1, and the 3rd normally-closed contact K63 one end of 2 pin of photoelectrical coupler E1 and relay K 6 is connected 2 pin of photoelectrical coupler E2 jointly, and the other end of described the 3rd normally-closed contact K63 connects power supply; 4 pin of said photoelectrical coupler E1 are through resistance R 8 ground connection; 3 pin connect power supply VCC with 3 pin of photoelectrical coupler E2 through resistance R 5, and 4 pin of said photoelectrical coupler E2 also connect the inverting input of comparator F through resistance R 4 ground connection through resistance R 2; The in-phase input end of comparator F is successively through resistance R 3 and resistance R 8 ground connection; The output of said comparator F passes through the base stage that resistance R 1 connects triode G1, the grounded emitter of said triode G1, and colelctor electrode connects power supply VCC through the coil of relay K 5; And being connected power supply VCC through resistance R 6 with light emitting diode D1 successively, the normally opened contact of said relay K 5 connects wireless receiving and dispatching and reports to the police and driving control unit.
Described wireless receiving and dispatching is reported to the police and driving control unit includes wireless receiving and dispatching warning circuit and Drive and Control Circuit, and described wireless receiving and dispatching warning circuit adopts wireless transmission chip U1, and described Drive and Control Circuit includes control chip U2, photoelectrical coupler E3 and photoelectrical coupler E4; 1 pin of described control chip U2 is through resistance R 18 ground connection, and 2 pin are through capacitor C 15 ground connection, 4 pin ground connection; 5 pin connect 6 pin through crystal electric capacity X2, and 7 pin connect the 3V power supply through resistance R 1, also through capacitor C 1 ground connection; 8 pin, 13 pin, 14 pin, 15 pin and 17 pin are connected wireless transmission chip U1 respectively, and 14 pin also connect the 3V power supply through resistance R 12, and 9 pin connect the normally opened contact of the relay K 5 of insulation detecting unit through the normally-closed contact of relay K; Also connect the 3V power supply through resistance R 8,10 pin connect transmission switching signal circuit, also connect the 3V power supply through resistance R 7; 12 pin connect 2 pin of photoelectrical coupler E4, and 16 pin connect the 3V power supply through resistance R 11, and 18 pin connect the 3V power supply through resistance R 9; 19 pin connect 2 pin of photoelectrical coupler E3, and 20 pin connect the 3V power supply through light emitting diode D3 and resistance R 14 successively, and 1 pin of photoelectrical coupler E3 connects the 3V power supply through resistance R 15; 3 pin connect the 3V power supply through resistance R 16, and 4 pin connect the base stage of triode G2, the grounded emitter of triode G2; Colelctor electrode connects the 3V power supply through the coil of relay K 4, and 1 pin of photoelectrical coupler E4 connects the 3V power supply through resistance R 10, and 3 pin connect the 3V power supply through resistance R 17; 4 pin connect the trigger end of IGCT D2, and the end of IGCT D2 connects the 3V power supply through relay K, other end ground connection; 4 pin are also through manual reset switch S ground connection, and the normally opened contact of described relay K 4 connects power switch unit.
Described manual activation alarm unit includes chip U3, and 1 pin of described control chip U3 is through resistance R 19 ground connection, and 2 pin are through capacitor C 16 ground connection; 4 pin ground connection, 5 pin connect 6 pin through crystal electric capacity X3, and 7 pin connect the 3V power supply through resistance R 20; Connect 11 pin also through capacitor C 17 ground connection, and through capacitor C 17 and unified power switch B2,8 pin, 13 pin, 14 pin, 15 pin and 17 pin are connected wireless transmission chip U1 respectively; 14 pin also connect LCD Interface J1 and LCD Interface J2 respectively, and 9 pin connect LCD Interface J1 and LCD Interface J2 respectively, and 10 pin connect LCD Interface J2; LCD Interface J1 is connected LCDs respectively with LCD Interface J2; 12 pin connect LCD Interface J1, and 16 pin are connected LCD Interface J1 and LCD Interface J2 respectively with 18 pin, and 19 pin connect the 3V power supply through resistance R 22; Also through replying button B ground connection; 20 pin connect the 3V power supply through light emitting diode D4 and resistance R 21 successively, also are provided with 555 circuit U, and said 555 circuit U 4 connect LCD Interface J2 through chip U5.
Described transmission switching signal circuit includes photoelectrical coupler E5, relay K 1, wherein; 1 pin of described photoelectrical coupler E5 connects the 3.3V power supply through resistance R 21, and 2 pin connect the 12V power supply through heart yearn 6,3 pin of diode D22 serial connection finger ring line; 4 pin connect the base stage of triode G3 through resistance R 22; Also pass through resistance R 22 and switch B3 ground connection successively, and the trigger end that also connects IGCT D5, the colelctor electrode of triode G3 connects the 12V power supply through the coil of relay K 1; Grounded emitter; The end of said IGCT D5 connects the 3.3V power supply through light emitting diode D6 and resistance R 23 successively, other end ground connection, and the normally opened contact K1-1 of relay K 1, K1-2 connect wireless receiving and dispatching and report to the police and driving control unit.
Described finger ring line is to be wrapped up successively from inside to outside by heart yearn, insulating barrier, screen layer and insulating barrier constituting.
Described finger ring line constitutes a composite cable with electric welding wire, or independent cabling.
The electric welding machine Internet of things system of the utility model; Electric welding machine is furnished with wireless launcher; Monitor electric welding machine insulation situation in real time; If have the problem welding machine to send automatically that wireless alarm signal is given administrative staff and the weld job personnel that can special station be inconvenient to close a floodgate launch with the need switching signal of finger ring line transmission (State Radio Regulatory Commission's special permission need not license ISM band), tour and security staff hold radio receiver, can rapidly the electric welding machine that need overhaul be disposed after receiving signal; Prevent the generation of security incident, ensured weld job personnel's personal safety.And transmitted the combined floodgate desired signal that carries out the weld job personnel at special station easily, and realize closing a floodgate as early as possible, help the raising of labor productivity.
Description of drawings
Fig. 1 is that the integral body of the utility model constitutes block diagram;
Fig. 2 is the power switch unit circuit theory diagrams of the utility model;
Fig. 3 is the insulation detection cell circuit schematic diagram of the utility model;
Fig. 4 is the insulation detecting unit second embodiment circuit theory diagrams of the utility model;
Fig. 5 is the wireless receiving and dispatching warning circuit schematic diagram of the utility model;
Fig. 6 is the Drive and Control Circuit schematic diagram of the utility model;
Fig. 7 is the manual activation alarm unit circuit theory diagrams of the utility model;
Fig. 8 is the transmission switching signal circuit theory diagrams of the utility model;
Fig. 9 is that the utility model finger ring line constitutes block diagram.
The specific embodiment
Below in conjunction with embodiment and accompanying drawing the electric welding machine Internet of things system of the utility model is made detailed description.
As shown in Figure 1; The electric welding machine Internet of things system of the utility model; Comprise: the power switch unit 1 that links to each other with the power input of electric welding machine; The insulation detecting unit 2 that links to each other with electric welder transformer T connects power switch unit 1 respectively and insulate the wireless receiving and dispatching warning and the driving control unit 3 of detecting unit 2 mutually, and manual activation alarm unit 4 that links to each other with wireless receiving and dispatching warning and driving control unit 3 and transmission switching signal circuit 5.
Described power switch unit 1 includes an end and connects the power line 1-3 that the power supply other end connects electric welding machine; The power input of described power line 1-3 is provided with dropout switch 1-1; Be with earth leakage protective magnet ring 1-2 on the power line 1-3 of said dropout switch 1-1 outlet side; Wherein, Between the low-voltage end of the power line 1-3 between dropout switch 1-1 outlet side and the earth leakage protective magnet ring 1-2 and the high voltage end at the power line 1-3 of electric welding machine end, be serially connected with resistance R L ', the end that is positioned at dropout switch 1-1 of said resistance R L ' is to report to the police and driving control unit 3 connects power line 1-3 through wireless receiving and dispatching.
Described insulation detecting unit 2 as shown in Figure 3 includes the main switch 2-1 that connects power supply, the coil of the relay K 6 that is in parallel with main switch 2-1 respectively and the primary coil of transformer T, wherein; The end of the first normally-closed contact K61 of relay K 6 connects power supply, and the other end connects a end of rectifier bridge Q1 respectively, and a of rectifier bridge Q2 end; The end of the 3rd normally-closed contact K63 of relay K 6 connects power supply, and the other end connects the c end of rectifier bridge Q2, the b end ground connection of said rectifier bridge Q1; The c end connects the c end of rectifier bridge Q2, and the d end is connected the inverting input of comparator F successively with resistance R 2 through resistance R 6, and the inverting input of said comparator F is also successively through resistance R 2 and capacitor C 1 ground connection; And the series connection ground connection of passing through resistance R 2 and resistance R 5; The b end ground connection of described rectifier bridge Q2, d holds the primary coil that meets transformer T through the second normally-closed contact K62 of relay K 6, and the secondary coil of transformer T is through capacitor C 2 ground connection; And the in-phase input end that passes through resistance R 3 connection comparator F; The in-phase input end of said comparator F is also through the connect ground connection of resistance R 3 with resistance R 4, and the output of said comparator F is through the base stage of resistance R 1 connection triode G1, the grounded emitter of said triode G1; Colelctor electrode connects power supply VCC through the coil of relay K 5; And be connected power supply VCC through resistance R 7 with light emitting diode D1 successively, and described comparator F also directly connects power supply, and the normally opened contact of said relay K 5 connects wireless receiving and dispatching and reports to the police and driving control unit 3.
If R2=R3, R4=R5, VR are reference voltage, and the last terminal voltage of R4 is V1, if transformer insulated bad, V1 then promotes comparator toggles greater than VR, and the former and deputy limit of the transformer insulaion resistance of this moment is critical warning resistance.Its value is smaller or equal to setting value R6.R6 makes several resistance series connection as far as possible.
As shown in Figure 4, described insulation detecting unit 2 includes the main switch 2-1 that connects power supply, the coil of the relay K 6 that is in parallel with main switch 2-1 respectively and the primary coil of transformer T; Wherein, the end of the first normally-closed contact K61 of relay K 6 connects power supply, and the other end connects an end of resistance R 7 respectively; An and end that connects the second normally-closed contact K62 of relay K 6; The other end of the second normally-closed contact K62 of said relay K 6 connects the primary coil of transformer T, and the other end of said resistance R 7 connects 1 pin of photoelectrical coupler E2, and the secondary coil of transformer T connects 1 pin of photoelectrical coupler E1; The 3rd normally-closed contact K63 one end of 2 pin of photoelectrical coupler E1 and relay K 6 is connected 2 pin of photoelectrical coupler E2 jointly; The other end of described the 3rd normally-closed contact K63 connects power supply, and 4 pin of said photoelectrical coupler E1 are through resistance R 8 ground connection, and 3 pin connect power supply VCC with 3 pin of photoelectrical coupler E2 through resistance R 5; 4 pin of said photoelectrical coupler E2 are through resistance R 4 ground connection; The inverting input that also connects comparator F through resistance R 2, the in-phase input end of comparator F are successively through resistance R 3 and resistance R 8 ground connection, and the output of said comparator F connects the base stage of triode G1 through resistance R 1; The grounded emitter of said triode G1; Colelctor electrode connects power supply VCC through the coil of relay K 5, and is connected power supply VCC through resistance R 6 with light emitting diode D1 successively, and the normally opened contact of said relay K 5 connects wireless receiving and dispatching and reports to the police and driving control unit 3.
If R2=R3, R4=R8, when the former secondary insulation impedance of transformer was lower than the R7 setting value, comparator toggles drove relay K 5 outputs, and insulation D1 indicator lamp is bright, and the closed wireless launcher that drives of K5-1 sends signal simultaneously.K5-2 connects the 3V power supply that drives K.
Like Fig. 5, shown in Figure 6, described wireless receiving and dispatching is reported to the police and driving control unit 3 includes wireless receiving and dispatching warning circuit and Drive and Control Circuit, and described wireless receiving and dispatching warning circuit adopts wireless transmission chip U1; Described Drive and Control Circuit includes control chip U2, photoelectrical coupler E3 and photoelectrical coupler E4, and 1 pin of described control chip U2 is through resistance R 18 ground connection, and 2 pin are through capacitor C 15 ground connection; 4 pin ground connection, 5 pin connect 6 pin through crystal electric capacity X2, and 7 pin connect the 3V power supply through resistance R 1; Also through capacitor C 1 ground connection, 8 pin, 13 pin, 14 pin, 15 pin and 17 pin are connected wireless transmission chip U1 respectively, and 14 pin also connect the 3V power supply through resistance R 12; 9 pin also connect the 3V power supply through resistance R 8 through the normally opened contact of the relay K 5 of the normally-closed contact connection insulation detecting unit 2 of relay K, and 10 pin connect transmission switching signal circuit 5; Also connect the 3V power supply through resistance R 7,12 pin connect 2 pin of photoelectrical coupler E4, and 16 pin connect the 3V power supply through resistance R 11; 18 pin connect the 3V power supply through resistance R 9, and 19 pin connect 2 pin of photoelectrical coupler E3, and 20 pin connect the 3V power supply through light emitting diode D3 and resistance R 14 successively; 1 pin of photoelectrical coupler E3 connects the 3V power supply through resistance R 15, and 3 pin connect the 3V power supply through resistance R 16, and 4 pin connect the base stage of triode G2; The grounded emitter of triode G2, colelctor electrode connects the 3V power supply through the coil of relay K 4, and 1 pin of photoelectrical coupler E4 connects the 3V power supply through resistance R 10; 3 pin connect the 3V power supply through resistance R 17, and 4 pin connect the trigger end of IGCT D2, and the end of IGCT D2 connects the 3V power supply through relay K; Other end ground connection, 4 pin are also through manual reset switch S ground connection, and the normally opened contact of described relay K 4 connects power switch unit 1.
After receiving answer signal, relay K gets electric and keeps, and normally closed some K breaks off, and avoids wireless signal not stop paying out and penetrates.Treat to reset after the tour personnel arrive,, check or close a floodgate apparatus insulated to different situations.
As shown in Figure 7, described manual activation alarm unit 4 includes chip U3, and 1 pin of described control chip U3 is through resistance R 19 ground connection; 2 pin pass through capacitor C 16 ground connection, 4 pin ground connection, and 5 pin connect 6 pin through crystal electric capacity X3; 7 pin connect the 3V power supply through resistance R 20, also pass through capacitor C 17 ground connection, and connect 11 pin through capacitor C 17 and unified power switch B2; 8 pin, 13 pin, 14 pin, 15 pin and 17 pin are connected wireless transmission chip U1 respectively, and 14 pin also connect LCD Interface J1 and LCD Interface J2 respectively, and 9 pin connect LCD Interface J1 and LCD Interface J2 respectively; 10 pin connect LCD Interface J2, and LCD Interface J1 is connected LCDs respectively with LCD Interface J2, and 12 pin connect LCD Interface J1; 16 pin are connected LCD Interface J1 and LCD Interface J2 respectively with 18 pin; 19 pin connect the 3V power supply through resistance R 22, and also through replying button B ground connection, 20 pin connect the 3V power supply through light emitting diode D4 and resistance R 21 (or ring) successively; Also be provided with 555 circuit U, said 555 circuit U 4 connect LCD Interface J2 through chip U5.
As shown in Figure 8, described transmission switching signal circuit 5 includes photoelectrical coupler E5, relay K 1; Wherein, 1 pin of described photoelectrical coupler E5 connects the 3.3V power supply through resistance R 21, and 2 pin are through the heart yearn 6 of diode D22 serial connection finger ring line; 3 pin connect the 12V power supply, and 4 pin are through the base stage of resistance R 22 connection triode G3, also successively through resistance R 22 and switch B3 ground connection; And the trigger end that also connects IGCT D5; The colelctor electrode of triode G3 connects the 12V power supply through the coil of relay K 1, grounded emitter, and the end of said IGCT D5 connects the 3.3V power supply through light emitting diode D6 and resistance R 23 successively; Other end ground connection, the normally opened contact K1-1 of relay K 1, K1-2 connect wireless receiving and dispatching and report to the police and driving control unit 3.
When the finger ring line require to close a floodgate, only need finger ring core line short circuit over the ground, relay K 1 can be controlled and send wireless signal.The closed requirement of K1-1 closed a floodgate, the closed K relay power of connecting of K1-2.
The administrative staff of wireless handheld device after receiving the wireless alarm signal that insulation detection device sends or requiring switching signal, can carry out control to it by replying button B, and dispose at the scene of rushing towards then.
So both can keep scene (luminous tube is bright), the normally-closed contact that can control K again breaks off, and avoids its continuous emission, occupied channel.
And other insulation welding machines out of question and do not send out the welding machine that requires switching signal, because the power supply of K relay less than connection, so can not replied commands for controlling, causes misoperation. with
Requiring to close a floodgate with insulation alarming wireless signal is to lean on D4 (flash of light or ring) the different of frequency to distinguish.
The administrative staff of wireless handheld device also can unify outage management to a large amount of electric welding machines by the B2 button, after the electric welding machine wireless transmitter is received instruction, cut off welder power by relay K 4.The unified outage of this function for the big rainy day and after knocking off is very useful.
As shown in Figure 9, described finger ring line is to be wrapped up successively from inside to outside by heart yearn 6, insulating barrier 9, screen layer 7 and insulating barrier 8 constituting.The finger ring line both can be made a composite cable with electric welding wire, also cabling separately.
Claims (9)
1. electric welding machine Internet of things system; It is characterized in that; Comprise: the power switch unit (1) that links to each other with the power input of electric welding machine; The insulation detecting unit (2) that links to each other with electric welder transformer T connects power switch unit (1) respectively and insulate the wireless receiving and dispatching warning and the driving control unit (3) of detecting unit (2) mutually, and manual activation alarm unit (4) that links to each other with wireless receiving and dispatching warning and driving control unit (3) and transmission switching signal circuit (5).
2. electric welding machine Internet of things system according to claim 1; It is characterized in that; Described power switch unit (1) includes an end and connects the power line (1-3) that the power supply other end connects electric welding machine; The power input of described power line (1-3) is provided with dropout switch (1-1); Be with earth leakage protective magnet ring (1-2) on the power line (1-3) of said dropout switch (1-1) outlet side; Wherein, at the low-voltage end that is positioned at the power line (1-3) between dropout switch (1-1) outlet side and the earth leakage protective magnet ring (1-2) and be positioned between the high voltage end of power line (1-3) of electric welding machine end and be serially connected with resistance R L ', the end that is positioned at dropout switch (1-1) of said resistance R L ' is to report to the police and driving control unit (3) connects power line (1-3) through wireless receiving and dispatching.
3. electric welding machine Internet of things system according to claim 1 is characterized in that, described insulation detecting unit (2) includes the main switch (2-1) that connects power supply; The coil of the relay K 6 that is in parallel with main switch (2-1) respectively and the primary coil of transformer T, wherein, the end of the first normally-closed contact K61 of relay K 6 connects power supply; The other end connects a end of rectifier bridge Q1 respectively, and a of rectifier bridge Q2 end, and the end of the 3rd normally-closed contact K63 of relay K 6 connects power supply; The other end connects the c end of rectifier bridge Q2, the b end ground connection of said rectifier bridge Q1, and the c end connects the c end of rectifier bridge Q2; The d end is connected the inverting input of comparator F successively with resistance R 2 through resistance R 6; The inverting input of said comparator F is also successively through resistance R 2 and capacitor C 1 ground connection, and the series connection ground connection of passing through resistance R 2 and resistance R 5, the b end ground connection of described rectifier bridge Q2; The d end connects the primary coil of transformer T through the second normally-closed contact K62 of relay K 6; The secondary coil of transformer T is through capacitor C 2 ground connection, and the in-phase input end that passes through resistance R 3 connection comparator F, and the in-phase input end of said comparator F is also through the connect ground connection of resistance R 3 with resistance R 4; The output of said comparator F connects the base stage of triode G1 through resistance R 1; The grounded emitter of said triode G1, colelctor electrode connects power supply VCC through the coil of relay K 5, and is connected power supply VCC through resistance R 7 with light emitting diode D1 successively; Described comparator F also directly connects power supply, and the normally opened contact of said relay K 5 connects wireless receiving and dispatching and reports to the police and driving control unit (3).
4. electric welding machine Internet of things system according to claim 1 is characterized in that, described insulation detecting unit (2) includes the main switch (2-1) that connects power supply; The coil of the relay K 6 that is in parallel with main switch (2-1) respectively and the primary coil of transformer T; Wherein, the end of the first normally-closed contact K61 of relay K 6 connects power supply, and the other end connects an end of resistance R 7 respectively; An and end that connects the second normally-closed contact K62 of relay K 6; The other end of the second normally-closed contact K62 of said relay K 6 connects the primary coil of transformer T, and the other end of said resistance R 7 connects 1 pin of photoelectrical coupler E2, and the secondary coil of transformer T connects 1 pin of photoelectrical coupler E1; The 3rd normally-closed contact K63 one end of 2 pin of photoelectrical coupler E1 and relay K 6 is connected 2 pin of photoelectrical coupler E2 jointly; The other end of described the 3rd normally-closed contact K63 connects power supply, and 4 pin of said photoelectrical coupler E1 are through resistance R 8 ground connection, and 3 pin connect power supply VCC with 3 pin of photoelectrical coupler E2 through resistance R 5; 4 pin of said photoelectrical coupler E2 are through resistance R 4 ground connection; The inverting input that also connects comparator F through resistance R 2, the in-phase input end of comparator F are successively through resistance R 3 and resistance R 8 ground connection, and the output of said comparator F connects the base stage of triode G1 through resistance R 1; The grounded emitter of said triode G1; Colelctor electrode connects power supply VCC through the coil of relay K 5, and is connected power supply VCC through resistance R 6 with light emitting diode D1 successively, and the normally opened contact of said relay K 5 connects wireless receiving and dispatching and reports to the police and driving control unit (3).
5. electric welding machine Internet of things system according to claim 1 is characterized in that, described wireless receiving and dispatching is reported to the police and driving control unit (3) includes wireless receiving and dispatching warning circuit and Drive and Control Circuit; Described wireless receiving and dispatching warning circuit adopts wireless transmission chip U1, and described Drive and Control Circuit includes control chip U2, photoelectrical coupler E3 and photoelectrical coupler E4, and 1 pin of described control chip U2 is through resistance R 18 ground connection; 2 pin pass through capacitor C 15 ground connection, 4 pin ground connection, and 5 pin connect 6 pin through crystal electric capacity X2; 7 pin connect the 3V power supply through resistance R 1, and also through capacitor C 1 ground connection, 8 pin, 13 pin, 14 pin, 15 pin and 17 pin are connected wireless transmission chip U1 respectively; 14 pin also connect the 3V power supply through resistance R 12, and 9 pin also connect the 3V power supply through resistance R 8 through the normally opened contact of the relay K 5 of the normally-closed contact connection insulation detecting unit (2) of relay K; 10 pin connect transmission switching signal circuit (5), also connect the 3V power supply through resistance R 7, and 12 pin connect 2 pin of photoelectrical coupler E4; 16 pin connect the 3V power supply through resistance R 11, and 18 pin connect the 3V power supply through resistance R 9, and 19 pin connect 2 pin of photoelectrical coupler E3; 20 pin connect the 3V power supply through light emitting diode D3 and resistance R 14 successively, and 1 pin of photoelectrical coupler E3 connects the 3V power supply through resistance R 15, and 3 pin connect the 3V power supply through resistance R 16; 4 pin connect the base stage of triode G2, the grounded emitter of triode G2, and colelctor electrode connects the 3V power supply through the coil of relay K 4; 1 pin of photoelectrical coupler E4 connects the 3V power supply through resistance R 10, and 3 pin connect the 3V power supply through resistance R 17, and 4 pin connect the trigger end of IGCT D2; The end of IGCT D2 connects the 3V power supply through relay K; Other end ground connection, 4 pin are also through manual reset switch S ground connection, and the normally opened contact of described relay K 4 connects power switch unit (1).
6. electric welding machine Internet of things system according to claim 1 is characterized in that, described manual activation alarm unit (4) includes chip U3; 1 pin of described control chip U3 is through resistance R 19 ground connection, and 2 pin are through capacitor C 16 ground connection, 4 pin ground connection; 5 pin connect 6 pin through crystal electric capacity X3, and 7 pin connect the 3V power supply through resistance R 20, also through capacitor C 17 ground connection; And connect 11 pin through capacitor C 17 and unified power switch B2, and 8 pin, 13 pin, 14 pin, 15 pin and 17 pin are connected wireless transmission chip U1 respectively, and 14 pin also connect LCD Interface J1 and LCD Interface J2 respectively; 9 pin connect LCD Interface J1 and LCD Interface J2 respectively, and 10 pin connect LCD Interface J2, and LCD Interface J1 is connected LCDs respectively with LCD Interface J2; 12 pin connect LCD Interface J1, and 16 pin are connected LCD Interface J1 and LCD Interface J2 respectively with 18 pin, and 19 pin connect the 3V power supply through resistance R 22; Also through replying button B ground connection; 20 pin connect the 3V power supply through light emitting diode D4 and resistance R 21 successively, also are provided with 555 circuit U, and said 555 circuit U 4 connect LCD Interface J2 through chip U5.
7. electric welding machine Internet of things system according to claim 1 is characterized in that, described transmission switching signal circuit (5) includes photoelectrical coupler E5; Relay K 1, wherein, 1 pin of described photoelectrical coupler E5 connects the 3.3V power supply through resistance R 21; 2 pin connect the 12V power supply through heart yearn 6,3 pin of diode D22 serial connection finger ring line, and 4 pin connect the base stage of triode G3 through resistance R 22; Also pass through resistance R 22 and switch B3 ground connection successively, and the trigger end that also connects IGCT D5, the colelctor electrode of triode G3 connects the 12V power supply through the coil of relay K 1; Grounded emitter; The end of said IGCT D5 connects the 3.3V power supply through light emitting diode D6 and resistance R 23 successively, other end ground connection, and the normally opened contact K1-1 of relay K 1, K1-2 connect wireless receiving and dispatching and report to the police and driving control unit (3).
8. electric welding machine Internet of things system according to claim 7 is characterized in that, described finger ring line is to be wrapped up successively from inside to outside by heart yearn (6), insulating barrier (9), screen layer (7) and insulating barrier (8) constituting.
9. electric welding machine Internet of things system according to claim 7 is characterized in that, described finger ring line constitutes a composite cable with electric welding wire, or independent cabling.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012200273861U CN202438794U (en) | 2012-01-20 | 2012-01-20 | Internet-of-Things system of electric welding machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012200273861U CN202438794U (en) | 2012-01-20 | 2012-01-20 | Internet-of-Things system of electric welding machine |
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| Publication Number | Publication Date |
|---|---|
| CN202438794U true CN202438794U (en) | 2012-09-19 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012200273861U Expired - Fee Related CN202438794U (en) | 2012-01-20 | 2012-01-20 | Internet-of-Things system of electric welding machine |
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| CN (1) | CN202438794U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105436752A (en) * | 2015-12-03 | 2016-03-30 | 成都环龙智能系统设备有限公司 | Integrated control system for large comprehensive intelligent welding robot |
| CN112213974A (en) * | 2020-09-14 | 2021-01-12 | 南京铁道职业技术学院 | Dynamic driving circuit for signal safety equipment |
-
2012
- 2012-01-20 CN CN2012200273861U patent/CN202438794U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105436752A (en) * | 2015-12-03 | 2016-03-30 | 成都环龙智能系统设备有限公司 | Integrated control system for large comprehensive intelligent welding robot |
| CN112213974A (en) * | 2020-09-14 | 2021-01-12 | 南京铁道职业技术学院 | Dynamic driving circuit for signal safety equipment |
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