CN212771348U - Embroidery machine and power intelligent expansion module group thereof - Google Patents
Embroidery machine and power intelligent expansion module group thereof Download PDFInfo
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- CN212771348U CN212771348U CN202021103239.9U CN202021103239U CN212771348U CN 212771348 U CN212771348 U CN 212771348U CN 202021103239 U CN202021103239 U CN 202021103239U CN 212771348 U CN212771348 U CN 212771348U
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Abstract
The application discloses an embroidery machine and a power intelligent expansion module group thereof, wherein the power intelligent expansion module group comprises N power intelligent expansion modules, the nth power intelligent expansion module is coupled with the (N-1) th power intelligent expansion module, N is an integer larger than 1, and N is smaller than or equal to N; the nth power intelligent expansion module receives a first control signal from the main control board, or the nth power intelligent expansion module receives a second control signal from the (N-1) th power intelligent expansion module, and the N power intelligent expansion modules output driving control signals and power supply voltage to the N head device groups. The nth power intelligent expansion module of the power intelligent expansion module group can receive the first control signal or the second control signal, the attenuation of the control signal is reduced, the N power intelligent expansion modules synchronously receive the control signal and then synchronously output the driving control signal and the power supply voltage to the N machine head device groups, so that the N machine head device groups synchronously work.
Description
Technical Field
The application relates to the technical field of embroidery machines, in particular to an embroidery machine and a power intelligent expansion module group thereof.
Background
In the prior art, one embroidery machine comprises dozens to hundreds of machine head devices, each machine head device needs to be powered by a 24VDC power supply and an electromagnet driving module, a power supply and driving control output module of the machine head device is divided into N groups, N is an integer larger than 1, and N is smaller than or equal to N; the more heads of the embroidery machine are, the longer the control signal from the main control board is connected to the n-th group of electromagnet driving modules, and the serious signal attenuation is caused, so that one or more control signal amplifiers are additionally arranged at the middle position to be used as a relay station to compensate and amplify the output signal and then transmit the output signal to the later electromagnet driving module, thereby bringing a certain signal delay, even causing asynchronous driving output and causing error in embroidery action. In addition, the power supplies of the N head device groups are independently used for supplying power, the dispersion is not beneficial to the unified management of the system, the fault cannot give an alarm, and the fault can cause the operation error of the head devices of the embroidery machine or the damage of equipment.
SUMMERY OF THE UTILITY MODEL
The application provides an embroidery machine and a power intelligent expansion module group thereof, which are used for solving the technical problems in the prior art.
In order to solve the technical problem, the application adopts a technical scheme that: the power intelligent expansion module group comprises N power intelligent expansion modules, wherein the nth power intelligent expansion module is coupled with the (N-1) th power intelligent expansion module, N is an integer larger than 1, and N is smaller than or equal to N; the nth power intelligent expansion module receives a first control signal from the main control board, or the nth power intelligent expansion module receives a second control signal from the (N-1) th power intelligent expansion module, and the N power intelligent expansion modules output driving control signals and power supply voltage to the N head device groups, so that the real-time transmission of the control signals is realized without delay, the synchronization of the control signals is ensured, and the embroidery action is uniform without errors.
In order to solve the above technical problem, another technical solution adopted by the present application is: the embroidery machine comprises the power intelligent expansion module group, a main control board, N machine head device groups, an operation box and a machine head device basic group, wherein the operation box and the machine head device basic group are coupled with the main control board, the main control board is coupled with the N power intelligent expansion modules, and the N machine head device group is coupled with the N power intelligent expansion module.
The operation box transmits an instruction to the main control board, the main control board sends a driving control signal to the handpiece device basic group according to the instruction, sends a first control signal or a second control signal to the N power intelligent expansion modules, and the nth power intelligent expansion module outputs the driving control signal and a power supply voltage to the nth handpiece device group to control the handpiece device basic group and the N handpiece device groups to work.
When the nth power intelligent expansion module breaks down, the fault protection and alarm circuit closes the output of the DC/DC multi-path output circuit of the nth power intelligent expansion module and sends a fault alarm signal to the main control board, and the main control board controls the N machine head device groups and the machine head device basic group to stop operating.
The main control board sends a fault signal to the operation box, and the operation box displays a fault state according to the fault signal and stores running data.
The beneficial effect of this application is: different from the prior art, the application is coupled with the N-1 th power intelligent expansion module through the N-th power intelligent expansion module, so that the N-th power intelligent expansion module receives a first control signal from a signal input end, or receives a second control signal from the N-1 th power intelligent expansion module, the attenuation of the control signal caused by overlong lines from a main control board to the N-th power intelligent expansion module in the prior art is reduced, and the N power intelligent expansion modules are ensured to receive the control signal at the same time, so that the N power intelligent expansion modules synchronously output a driving control signal and a supply voltage to the N head device groups, and the N head device groups synchronously work. The intelligent power expansion module has fault protection and alarm functions, realizes unified management of fault signals, is accurate in fault location and is convenient to maintain.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present application, the drawings needed to be used in the description of the embodiments are briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present application, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without creative efforts.
FIG. 1 is a schematic circuit diagram of an embodiment of a power intelligent expansion module set of the present application;
FIG. 2 is a circuit diagram of the first power smart expansion module and the first handpiece assembly of FIG. 1
A schematic diagram;
FIG. 3 is a schematic circuit diagram of the electromagnet drive circuit of FIG. 2;
FIG. 4 is a schematic circuit diagram of an embodiment of the embroidery machine of the present application.
Detailed Description
The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only a part of the embodiments of the present application, and not all the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.
The terms "first", "second", etc. in this application are used to distinguish between different objects and not to describe a particular order. Furthermore, the terms "include" and "have," as well as any variations thereof, are intended to cover non-exclusive inclusions. For example, a process, method, system, article, or apparatus that comprises a list of steps or elements is not limited to only those steps or elements listed, but may alternatively include other steps or elements not listed, or inherent to such process, method, article, or apparatus.
In order to make those skilled in the art better understand the technical solution of the present application, the embroidery machine and the power intelligent expansion module set thereof provided by the present application will be further described in detail with reference to the accompanying drawings and the detailed description.
Referring to fig. 1, fig. 1 is a circuit diagram of an embodiment of a power smart expansion module set according to the present application. The power intelligent expansion module group 1 includes N power intelligent expansion modules 11. Specifically, the N power smart expansion modules 11 may include a first power smart expansion module 111, a second power smart expansion module 112 through an nth power smart expansion module 11N. Wherein N is an integer greater than 1.
As shown in fig. 1, the main control board 2 is coupled to N power intelligent expansion modules 11, and the nth power intelligent expansion module 11N is coupled to an (N-1) th power intelligent expansion module (not shown). Wherein N is an integer less than or equal to N. Specifically, the N power intelligent expansion modules 11 are respectively connected to the main control board 2, and through such a connection manner, the N power intelligent expansion modules 11 can receive the first control signal sent by the main control board 2. After receiving the first control signal sent by the main control board 2, the N power intelligent expansion modules 11 output a driving control signal U to the N head device groups 32And a supply voltage U1To control the operation of the N head device groups 3.
The N head device groups 3 may include a first head device group 31, a second head device group 32 to an nth head device group 3N, where the nth head device group 3N is connected to the nth power smart expansion module 11N, for example, the first power smart expansion module 111 is coupled to the first head device group 31, and the second power smart expansion module 112 is coupled to the second head device group 32.
In the prior art, a line of the main control board 2 connected to the nth power intelligent expansion module 11n is too long, which causes a first control signal sent by the main control board 2 to be seriously attenuated in a transmission process. To solve the above problem, the present embodiment provides a second connection manner, as shown in fig. 1. The nth power smart expansion module 11n is coupled to the (n-1) th power smart expansion module, for example, the input terminal of the second power smart expansion module 112 is coupled to the output terminal of the first power smart expansion module 111. The nth power intelligent expansion module 11n receives the drive control signal U output by the (n-1) th power intelligent expansion module2As the second control signal, the attenuation of the control signal can be reduced.
When the number of the N power intelligent expansion modules 11 is small, that is, when a line connecting the main control board 2 to the nth power intelligent expansion module 11N is short, the main control board 2 and the N power intelligent expansion modules 11 can use a first connection method to realize transmission of a control signal; when the number of the N power intelligent expansion modules 11 is large, that is, when the line connecting the main control board 2 to the nth power intelligent expansion module 11N is too long, the main control board 2 and the N power intelligent expansion modules 11 can use the second connection method to realize transmission of the control signal. Optionally, the main control board 2 and the N power intelligent expansion modules 11 can combine the first and second connection methods to realize transmission of the control signal, the first connection method is used between the main control board 2 with a shorter connection line and the power intelligent expansion module 11, and the second connection method is used between the main control board 2 with a longer connection line and the power intelligent expansion module 11.
Different from the prior art, the nth power intelligent expansion module 11N of the power intelligent expansion module group 1 can receive the first control signal or the second control signal, can reduce the attenuation of the control signal, realizes the non-delay transmission of the control signal, ensures that the N power intelligent expansion modules 11 synchronously receive the control signal, and synchronously outputs the driving control signal U2And a supply voltage U1To control the N head device groups 3 to work synchronously.
Specifically, taking the first power smart expansion module 111 and the first handpiece apparatus set 31 as an example, referring to fig. 2 in conjunction with fig. 1, fig. 2 is a schematic circuit diagram of the first power smart expansion module and the first handpiece apparatus set in fig. 1.
The first power intelligent expansion module 111 comprises a rectifying and filtering circuit 1111, a DC/DC multi-output circuit 1112, an electromagnet driving circuit 1113 and a fault protection and alarm circuit 1114. The rectifier filter circuit 1111 is coupled to the DC/DC multi-output circuit 1112, the DC/DC multi-output circuit 1112 is coupled to the electromagnet driving circuit 1113 and the fault protection and alarm circuit 1114, the electromagnet driving circuit 1113 is coupled to the fault protection and alarm circuit 1114 and the main control board 2, and the fault protection and alarm circuit 1114 is coupled to the main control board 2.
The first head device group 31 includes a head plate 311 and an electromagnet group 312. The head board 311 is coupled to the DC/DC multiplexing circuit 1112, and the electromagnet group 312 is coupled to the electromagnet driving circuit 1113. The electromagnet group 312 includes a jumping electromagnet, a wire locking electromagnet and a wire buckling electromagnet, and the electromagnet driving circuit 1113 is connected to the jumping electromagnet, the wire locking electromagnet and the wire buckling electromagnet respectively. The head board 311 and the electromagnet group 312 form a single head device, and the first head device group 31 can configure a plurality of head devices according to power requirements, that is, the first head device group 31 may include a plurality of head boards 311 and a plurality of electromagnet groups 312.
The rectifier filter circuit 1111 converts the input ac power into DC power, the DC/DC multi-output circuit 1112 receives the DC power, and outputs a supply voltage U to the nose board 311, the electromagnet driving circuit 1113, and the fail-safe and alarm circuit 11141A third voltage U0And a power supply voltage, the electromagnet driving circuit 1113 outputs a driving control signal U to the electromagnet group 312 of the first head unit 31 according to the control signal output from the main control board 22And controls the operation of the first head unit set 31. Optionally, the supply voltage U1Is 24V.
The DC/DC multiplexing circuit 1112 is composed of a semiconductor device, a high-frequency magnetic device, and the like, and since the thread cutting operation of the embroidery machine is intermittent, the interval time between two thread cutting operations is much longer than the operating time of one thread cutting operation, and the embroidery machine requires a large power during the thread cutting operation and a small power during the interval time, the peak power requirement of the embroidery machine is large, and the average power requirement is small. In this embodiment, the DC/DC multi-output circuit 1112 is designed to be a high-power pulse-type circuit, that is, the peak power of the DC/DC multi-output circuit 1112 is at least 12 times the average power of the DC/DC multi-output circuit 1112, so that the volume and weight of the power intelligent expansion module 11 are reduced, and the production cost is reduced. Alternatively, the DC/DC multiplexing circuit 1112 may be a two-transistor forward circuit or an LLC resonant circuit.
Referring further to fig. 3 in conjunction with fig. 1-2, fig. 3 is a schematic circuit diagram of the electromagnet drive circuit of fig. 2. The electromagnet driving circuit 1113 comprises a first diode D1, a second diode D2, a third diode D3, a fourth diode D4, a fifth diode D5, a first resistor R1, a second resistor R2, a third resistor R3, a fourth resistor R4, a first capacitor C1, a switching tube Q1 and an isolation driving chip U1.
As shown in fig. 3, one end of a first resistor R1 and one end of a second resistor R2 are respectively connected to the main control board 2 through input interfaces, the other end of the first resistor R1 is connected to the positive terminal of the first diode D1 and the negative terminal of the second diode D2, the other end of the second resistor R2 is connected to the positive terminal of the third diode D3 and the negative terminal of the fourth diode D4, the negative terminal of the first diode D1 is connected to the negative terminal of the third diode D3, one end of the third resistor R3, one end of the first capacitor C1 and the input positive terminal of the isolation driving chip U1, the positive terminal of the second diode D2 is connected to the positive terminal of the fourth diode D4, the other end of the third resistor R3, the other end of the first capacitor C1 and the input negative terminal of the isolation driving chip U1, the output terminal of the isolation driving chip U1 is connected to the first terminal of the switch Q1, the output terminal of the isolation driving chip U1 is connected to the first terminal of the isolation driving chip 5928 and the fourth terminal of the isolation driving chip U599, the other end of the fourth resistor R4 is connected with the second end of the switch tube Q1 and the fault protection and alarm circuit 1114, the third end of the switch tube Q1 is connected with the positive end of the fifth diode D5 and one end of the output interface, the negative end of the fifth diode D5 is connected with the other end of the output interface and the DC/DC multi-path output circuit 1112, and the electromagnet driving circuit 1113 is respectively connected with the jump electromagnet, the wire locking electromagnet and the wire buckling electromagnet through the output interface. The switching tube Q1 is an NMOS tube, and the first, second, and third ends of the switching tube Q1 are a gate, a source, and a drain of the switching tube Q1, respectively. Alternatively, in other embodiments, the switching tube Q1 may be another switching element.
When the control signal input by the main control board 2 is being connected to the input interface of the electromagnet driving circuit 1113, the positive terminal of the control signal is transmitted to the positive terminal of the input terminal of the isolation driving chip U1 through the first diode D1, and is output from the negative terminal of the input terminal of the isolation driving chip U1, and is transmitted to the negative terminal of the control signal through the fourth diode D4, and at this time, the second diode D2 and the third diode D3 are turned off. When the control signal input by the main control board 2 is reversely connected to the input interface of the electromagnet driving circuit 1113, the positive terminal of the control signal is transmitted to the positive terminal of the input terminal of the isolation driving chip U1 through the third diode D3, the control signal is output from the negative terminal of the input terminal of the isolation driving chip U1, and is transmitted to the negative terminal of the control signal through the second diode D2, and at this time, the first diode D1 and the fourth diode D4 are cut off. In this embodiment, through this kind of connected mode, solve the abnormal work that the main control board 2 joins conversely and leads to, even damage the problem of circuit.
The control signal is output to the switching tube Q1 through the output end of the isolation driving chip U1, and the on-off of the switching tube Q1 is controlled, so that the electromagnet group 312 is controlled to work. The electromagnet driving circuit 1113 receives the third voltage U output by the DC/DC multi-output circuit 11120And respectively outputs driving control signals U to the jumping electromagnet, the wire locking electromagnet and the wire buckling electromagnet in the electromagnet group 312 according to the control signals2. Alternatively, the driving voltage of the jump electromagnet and the locking wire electromagnet is 24V, and the driving voltage of the locking wire electromagnet is 60V. The electromagnet driving circuit 1113 outputs three driving outputs, and the maximum values of the three types of electromagnet driving power can be staggered in time sharing, so that the maximum peak power of the electromagnet driving circuit 1113 is reduced, and more handpiece devices can be arranged in the handpiece device group 31.
Wherein, the fourth resistor R4 is a sampling resistor for monitoring the signal I0One end of the fourth resistor R4 is output to the fault protection and alarm circuit 1114, which monitors whether the electromagnet driving circuit 1113 is working normally.
Referring to fig. 4 in combination with fig. 1-3, fig. 4 is a circuit diagram of an embodiment of the embroidery machine (not shown) of the present application, wherein the embroidery machine comprises the power intelligent expansion module set 1, the main control board 2, the N head device sets 3, the operation box 4 and the head device base set 5. The main control board 2 is coupled with the operation box 4, the head device base set 5 and the intelligent power expansion module set 1, and the N intelligent power expansion modules 11 are coupled with the N head device sets 3.
The embroidery machine is connected with 220V alternating current, and the main control board 2 and the power intelligent expansion module group 1 receive the alternating current and start to work. The main control board 2 outputs a first voltage to the operation box 4 and a second voltage to the head device basic group 5, and the N power intelligent expansion modules 11 output a supply voltage U to the N head device groups 31. Optionally, the first voltage is 12V and the second voltage is 24V.
After embroidery patterns and operation parameter configuration are selected through an interface of the operation box 4, the operation box 4 outputs instructions to the main control board 2, the main control board 2 sends first control signals or second control signals to the N power intelligent expansion modules 11 according to the instructions and simultaneously sends driving control signals to the head device basic group 5, and the N power intelligent expansion modules 11 send driving control signals U to the N head device groups 3 according to the first control signals or the second control signals2And further controls the basic group 5 of the machine head devices and the N machine head devices 3 to work synchronously to complete the set embroidery action.
When the nth power intelligent expansion module 11N has the conditions of overlarge current, overlarge power, too small voltage, overlarge voltage or short circuit and the like, the fault protection and alarm circuit of the nth power intelligent expansion module 11N closes and locks the output of the DC/DC multi-path output circuit of the nth power intelligent expansion module 11N, and simultaneously outputs a fault alarm signal, the fault alarm signal is transmitted to the main control board 2 through N-1 power intelligent expansion modules 11, the main control board 2 sends a fault signal to the N power intelligent expansion modules 11 and the operation box 4 according to the fault alarm signal, the machine head device basic group 5 and the N machine head device groups 3 are controlled to stop working, the operation box 4 is controlled to display the fault state and store the operation data, the unified management of the fault signal is realized, the nth power intelligent expansion module 11N with the fault can be accurately positioned, and the maintenance is convenient.
As shown in fig. 4, the nth power intelligent expansion module 11n is coupled to the (n-1) th power intelligent expansion module, and the distance between the two power intelligent expansion modules 11 is equal, so that the line connecting the nth power intelligent expansion module 11n and the main control board 2 can be divided into n parts with equal length, and the two adjacent power intelligent expansion modules 11 can be connected by using the electric wires with equal length, so that the electric wires with overlong length are not needed to transmit the fault alarm signal, and the circuit connection is facilitated.
The above embodiments are merely examples, and not intended to limit the scope of the present application, and all modifications, equivalents, and flow charts using the contents of the specification and drawings of the present application, or those directly or indirectly applied to other related arts, are included in the scope of the present application.
Claims (10)
1. The intelligent power expansion module group of the embroidery machine is characterized by comprising N intelligent power expansion modules, wherein the nth intelligent power expansion module is coupled with the (N-1) th intelligent power expansion module, N is an integer greater than 1, and N is less than or equal to N; the nth power intelligent expansion module receives a first control signal from a main control board, or the nth power intelligent expansion module receives a second control signal from the (N-1) th power intelligent expansion module, and the N power intelligent expansion modules output a driving control signal and a supply voltage to the N head device groups.
2. The set of power smart expansion modules of claim 1, wherein each of the power smart expansion modules comprises a rectifier filter circuit, a DC/DC multiplexing output circuit, a solenoid driver circuit, and a fault protection and alarm circuit, the rectifier filter circuit being coupled to the DC/DC multiplexing output circuit, the DC/DC multiplexing output circuit being coupled to the solenoid driver circuit and the fault protection and alarm circuit, the solenoid driver circuit being coupled to the fault protection and alarm circuit and the main control board, the fault protection and alarm circuit being coupled to the main control board.
3. The set of power smart expansion modules of claim 2, wherein the rectifier filter circuit is configured to convert ac power to DC power, the DC/DC multiplexing output circuit receives the DC power, supplies power to the electromagnet driving circuit and the fault protection and alarm circuit, and outputs the power supply voltage to the set of handpiece devices, and the electromagnet driving circuit outputs the driving control signal to the set of handpiece devices.
4. The set of power smart expansion modules of claim 2, wherein the peak power of the DC/DC multi-output circuit is at least 12 times the average power of the DC/DC multi-output circuit; the peak power supplied to the electromagnet driving circuit by the DC/DC multi-path output circuit is staggered in a time-sharing mode, and the maximum peak power of the DC/DC multi-path output circuit is reduced.
5. The set of power intelligent expansion modules of claim 2, wherein the electromagnet driving circuit comprises a first diode, a second diode, a third diode, a fourth diode, a fifth diode, a first resistor, a second resistor, a third resistor, a fourth resistor, a first capacitor, a switching tube and an isolation driving chip;
wherein, one end of the first resistor and one end of the second resistor are respectively connected with the main control board through input interfaces, the other end of the first resistor is connected with the positive end of the first diode and the negative end of the second diode, the other end of the second resistor is connected with the positive end of the third diode and the negative end of the fourth diode, the negative end of the first diode is connected with the negative end of the third diode, one end of the third resistor, one end of the first capacitor and the input positive end of the isolation driving chip, the positive end of the second diode is connected with the positive end of the fourth diode, the other end of the third resistor, the other end of the first capacitor and the input negative end of the isolation driving chip, the output positive end of the isolation driving chip is connected with the first end of the switch tube, the output negative end of the isolation driving chip is connected with one end of the fourth resistor, the output negative end of the isolation driving chip is grounded, the other end of the fourth resistor is connected with the second end of the switch tube and the fault protection and alarm circuit, the third end of the switch tube is connected with the positive end of the fifth diode and one end of the output interface, and the negative end of the fifth diode is connected with the other end of the output interface and the DC/DC multi-path output circuit.
6. An embroidery machine, characterized in that the embroidery machine comprises the power intelligence expansion module group according to any one of claims 1 to 5, the main control board, N head device groups, an operation box and a head device base group, wherein the operation box and the head device base group are coupled with the main control board, the main control board is coupled with the N power intelligence expansion modules, and the nth head device group is coupled with the nth power intelligence expansion module.
7. The embroidery machine as claimed in claim 6, wherein the operation box transmits a command to the main control board, the main control board sends a driving control signal to the basic group of head devices according to the command, sends the first control signal or the second control signal to the N intelligent power expansion modules, and the nth intelligent power expansion module outputs the driving control signal and the power supply voltage to the nth group of head devices to control the basic group of head devices and the N groups of head devices to operate.
8. The embroidery machine as claimed in claim 6, wherein when the nth power smart expansion module fails, the fault protection and alarm circuit turns off the output of the DC/DC multi-output circuit of the nth power smart expansion module and sends a fault alarm signal to the main control board, and the main control board controls the N head device groups and the head device base group to stop operating.
9. The embroidery machine as claimed in claim 8, wherein the main control board sends a fault signal to the operation box, and the operation box displays a fault state according to the fault signal and saves running data.
10. The embroidery machine as claimed in claim 6, wherein the intelligent power expansion module comprises an electromagnet driving circuit, the handpiece device set comprises a handpiece board and an electromagnet set, the electromagnet set comprises a thread locking electromagnet, a jumping electromagnet and a thread buckling electromagnet, and two ends of the electromagnet set are respectively connected with two ends of an output interface of the electromagnet driving circuit.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202021103239.9U CN212771348U (en) | 2020-06-15 | 2020-06-15 | Embroidery machine and power intelligent expansion module group thereof |
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| CN202021103239.9U CN212771348U (en) | 2020-06-15 | 2020-06-15 | Embroidery machine and power intelligent expansion module group thereof |
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| CN212771348U true CN212771348U (en) | 2021-03-23 |
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