CN215989557U - Expansion device and sheet medium processing apparatus - Google Patents
Expansion device and sheet medium processing apparatus Download PDFInfo
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- CN215989557U CN215989557U CN202120907777.1U CN202120907777U CN215989557U CN 215989557 U CN215989557 U CN 215989557U CN 202120907777 U CN202120907777 U CN 202120907777U CN 215989557 U CN215989557 U CN 215989557U
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Abstract
The present invention relates to an expanding device and a sheet medium processing apparatus. The expansion device includes: one end of the first expansion interface is used for being connected with a main control board, and the main control board is used for carrying out signal interaction with a load arranged on the slice medium processing equipment; one end of the processing module is connected with the other end of the first expansion interface and is used for processing an interaction signal between the main control board and the load; and one end of the load connection interface is connected with the other end of the processing module, and the other end of the load connection interface is used for connecting the load so as to forward signals between the processing module and the load. The expansion device can save electrical resources. The sheet medium processing apparatus includes the expanding device.
Description
Technical Field
The utility model relates to the technical field of electricity, in particular to an expansion device and sheet medium processing equipment.
Background
With the rapid development of electrical technology, how to save electrical resources is also more and more important.
Currently, sheet media processing apparatuses integrate all electrical resources on one circuit board, thereby controlling all loads through one circuit board.
However, all the electrical resources are integrated on one circuit board, and not all the electrical resources on the circuit board can be utilized, which causes a certain waste of electrical resources.
SUMMERY OF THE UTILITY MODEL
In view of this, it is necessary to provide an extension device and a sheet medium processing apparatus that can save electrical resources.
An expansion device comprising:
one end of the first expansion interface is used for being connected with a main control board, and the main control board is used for carrying out signal interaction with a load arranged on the slice medium processing equipment;
one end of the processing module is connected with the other end of the first expansion interface and is used for processing an interaction signal between the main control board and the load;
and one end of the load connection interface is connected with the other end of the processing module, and the other end of the load connection interface is used for connecting the load so as to forward signals between the processing module and the load.
In one embodiment, the load connection interface includes:
the motor connection interface is used for connecting a motor, and the motor is used for providing power for the sheet medium processing equipment;
a sensor connection interface for connecting a sensor for detecting a state of the sheet media processing apparatus;
the processing module comprises:
one end of the motor driving circuit is connected with the first expansion interface, and the other end of the motor driving circuit is connected with the motor connecting interface and used for driving the motor to work;
and one end of the control circuit is connected with the first expansion interface, and the other end of the control circuit is connected with the sensor connection interface and used for transmitting a sensor control signal to the sensor and receiving a detection signal obtained by detecting the sheet medium processing equipment by the sensor.
In one embodiment, the control circuit comprises:
a transmitting end for transmitting the sensor control signal;
a receiving end for receiving the detection signal;
and one end of the processing unit is connected with the first expansion interface, and the other end of the processing unit is respectively connected with the transmitting end and the receiving end and is used for processing the sensor control signal and the detection signal.
In one embodiment, the number of the sensor connection interfaces is multiple, the multiple sensor connection interfaces are used for being connected with the multiple sensors in a one-to-one correspondence, and the control circuit further includes:
and one end of the gating unit is connected with the processing unit, and the other end of the gating unit is respectively connected with the plurality of sensor connecting interfaces and used for selectively conducting the connecting path of the processing unit and one of the sensor connecting interfaces.
In one embodiment, the first expansion interface comprises a gold finger.
In one embodiment, the first expansion interface, the processing module and the load connection interface are integrated on a PCB.
In one embodiment, the motor drive circuit includes:
and one end of the motor driving chip is connected with the first expansion interface, the other end of the motor driving chip is connected with the motor connection interface, and the motor driving chip is used for converting the motor control signal generated by the main control board into a motor driving signal which is used for driving the motor to work.
In one embodiment, the method further comprises the following steps:
and one end of the second expansion interface is connected with one end of the processing module, and the other end of the second expansion interface is used for connecting a subordinate expansion device so as to forward signals between the main control board and the subordinate expansion device.
A sheet media processing apparatus comprising at least one expansion device according to the above.
In one embodiment, the number of the expansion devices is multiple, and the multiple expansion devices are sequentially connected in series to form a cascade link.
The expansion device and the slice medium processing equipment have the advantages that the first expansion interface can be connected with the main control board, so that the load and the main control board can perform signal interaction, the load connection interface can be connected with the load, signal forwarding is performed between the processing module and the load, when the load needs to be increased, the expansion device serves as a connection medium of the load and the main control board, so that the processing module is just matched with the number of the load, namely, the use of electrical resources is just matched with the number of the load, the integration of all the electrical resources on one circuit board is avoided, not all the electrical resources on the circuit board can be utilized, the problem of electrical resource waste is caused, and the electrical resource saving is realized.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments or the conventional technologies of the present application, the drawings used in the descriptions of the embodiments or the conventional technologies will be briefly introduced below, it is obvious that the drawings in the following descriptions are only some embodiments of the present application, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
FIG. 1 provides a sheet media processing apparatus according to one embodiment;
FIG. 2 is a schematic structural diagram of an expansion device according to an embodiment;
FIG. 3 is a schematic diagram of another embodiment of an expansion device;
FIG. 4 is a schematic diagram of a control circuit according to an embodiment;
fig. 5 is a schematic diagram of a gating unit arranged at a receiving end according to an embodiment;
fig. 6 is a schematic structural diagram of a motor driving circuit according to an embodiment;
FIG. 7 is a schematic diagram of another embodiment of an expansion device;
fig. 8 is a schematic diagram of a cascaded link according to an embodiment.
Detailed Description
To facilitate an understanding of the present application, the present application will now be described more fully with reference to the accompanying drawings. Embodiments of the present application are set forth in the accompanying drawings. This application may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs. The terminology used herein in the description of the present application is for the purpose of describing particular embodiments only and is not intended to be limiting of the application.
It will be understood that, as used herein, the terms "first," "second," and the like may be used herein to describe various elements, but these elements are not limited by these terms. These terms are only used to distinguish one element from another. For example, a first expansion interface may be referred to as a second expansion interface, and similarly, a second expansion interface may be referred to as a first expansion interface, without departing from the scope of the present application. Both the first expansion interface and the second expansion interface are expansion interfaces, but they are not the same expansion interface.
It is to be understood that "connection" in the following embodiments is to be understood as "electrical connection", "communication connection", and the like if the connected circuits, modules, units, and the like have communication of electrical signals or data with each other.
As used herein, the singular forms "a", "an" and "the" may include the plural forms as well, unless the context clearly indicates otherwise. It will be further understood that the terms "comprises/comprising," "includes" or "including," etc., specify the presence of stated features, integers, steps, operations, components, parts, or combinations thereof, but do not preclude the presence or addition of one or more other features, integers, steps, operations, components, parts, or combinations thereof. Also, as used in this specification, the term "and/or" includes any and all combinations of the associated listed items.
Referring to fig. 1, fig. 1 is a sheet medium processing apparatus provided in one embodiment. In one embodiment, as shown in fig. 1, the sheet medium processing apparatus includes a main control board 100, an expansion device 200, a storage box 300, an identification assembly 400, a printing assembly 500, a conveyance path 600, a motor 700, and a sensor 800.
The motor 700 and the sensor 800 are mounted on the sheet medium processing apparatus as part or all of a load. The expansion device 800 serves as a medium for connecting the main control board 100 to a load. The main control board 100 performs signal interaction with a load through the expansion device 200.
Specifically, taking the example of storing bills in the storage box 300, after the storage box 300 is installed in the installation frame, the bills in the storage box 300 can be transported by the corresponding transport device to the recognition assembly 400, the type of the bills is recognized by the recognition assembly 400, and then the bills are transported to the printing assembly 500, and the printing assembly 500 is used to print the related bill information on the bills and transmit the information through the transportation channel 600 of the bill device 100. The motor 700 is used to power the sheet media processing apparatus. The sensor 800 is used to detect the state of the sheet medium processing apparatus.
In one embodiment, optionally, the motor 700 and the sensor 800 are installed in the storage case 300, the motor 700 is used to power the mechanism in the storage case 300, and the sensor 800 detects the state in the storage case 300.
The sheet medium processing apparatus of the present embodiment is for processing sheet media. Sheet media include, but are not limited to, tickets, banknotes, blank sheets, and the like, and are not limited thereto.
The expansion device 800 will be specifically described below.
Referring to fig. 2, fig. 2 is a schematic structural diagram of an expansion device according to an embodiment. In one embodiment, as shown in fig. 2, an expansion apparatus is provided, which includes a first expansion interface 210, a processing module 220, and a load connection interface 230. Wherein:
one end of the first expansion interface 210 is used for connecting a main control board, and the main control board is used for performing signal interaction with a load installed on the sheet medium processing device; one end of the processing module 220 is connected to the other end of the first expansion interface 210, and is configured to process an interaction signal between the main control board and the load; one end of the load connection interface 230 is connected to the other end of the processing module 220, and the other end of the load connection interface 230 is used for connecting the load, so as to forward signals between the processing module 220 and the load.
Wherein a load refers in physics to an electronic component connected across a power source in an electrical circuit, a device for converting electrical energy into other forms of energy. Optionally, the load includes, but is not limited to, a motor, a sensor, etc., and is not limited thereto. The interactive signal comprises at least one of a signal sent by the main control board to the load and a signal sent by the load to the main control board. The processing module 220 is used for processing the interaction signals between the main control board and the load, i.e. the processing module 220 can be understood as an electrical resource.
Specifically, when a new load needs to be expanded, the main control board is connected through the first expansion interface 210, the load is connected through the load connection interface 230, and after the connection is completed, the interaction signals between the main control board and the load are processed through the processing module 220, so that the control of the main control board on the load is realized. Similarly, if when reducing the load, then can with the extension fixture dismantle can, can also retrieve the extension fixture, save electrical resources to the maximize.
In this embodiment, the processing module 220 is disposed on the expansion device, and when a load needs to be added, the processing module 220 is connected to the main control board through the first expansion interface 210 and connected to the load through the load connection interface 230, and after the connection is completed, the processing module 220 processes the interaction signals between the main control board and the load, so that the processing module 220 is just matched with the number of the loads, and electrical resources are saved.
In one embodiment, the first expansion interface 210 comprises a gold finger.
The golden finger is composed of a plurality of golden conductive contact pieces, and the golden finger is named as the golden finger because the surface of the golden finger is plated with gold and the conductive contact pieces are arranged like fingers. Because the oxidation resistance of gold is strong, the internal circuit can be protected from corrosion, and the conductivity is strong, the signal loss can not be caused, and the loss of the interactive signal can be avoided.
In one embodiment, the first expansion interface 210, the processing module 220, and the load connection interface 230 are integrated on a single PCB.
In this embodiment, the first expansion interface 210, the processing module 220 and the load connection interface 230 are integrated on a PCB, so that when a load needs to be added, the PCB is directly plugged, which is simple and convenient.
Referring to fig. 3, fig. 3 is a schematic structural diagram of another expansion device according to an embodiment. In one embodiment, as shown in FIG. 3, the load connection interface 230 includes a motor connection interface 231 and a sensor connection interface 232. Wherein:
the motor connection interface 231 is used for connecting a motor, and the motor is used for providing power for the sheet medium processing device; the sensor connection interface 232 is used to connect sensors for detecting the status of the sheet media processing apparatus.
In this embodiment, the processing module 220 includes a motor drive circuit 221 and a control circuit 222. Wherein:
one end of the motor driving circuit 221 is connected to the first expansion interface 210, and the other end of the motor driving circuit 221 is connected to the motor connection interface 231, and is configured to drive the motor to operate; one end of the control circuit 222 is connected to the first expansion interface 210, and the other end of the control circuit 222 is connected to the sensor connection interface 232, and is configured to transmit a sensor control signal to the sensor and receive a detection signal obtained by the sensor detecting the sheet medium processing apparatus.
Specifically, the motor driving circuit 221 converts a motor control signal generated by the main control board into a motor driving signal, and transmits the motor driving signal to the motor, thereby driving the motor to operate. The control circuit 222 transmits a sensor control signal generated by the main control board to the sensor, thereby controlling the sensor to operate. Further, a detection signal generated by the sensor may be returned to the main control board by the control circuit 222, and the main control board may determine the state of the sheet medium processing apparatus based on the detection signal.
In the present embodiment, the control circuit 222 and the motor drive are independent circuits, and when one of the circuits is abnormal, the other circuit is not affected, so that the stability of the expansion device can be improved.
It is understood that the motor connection interface 231 and the sensor connection interface 232 are only an example, and the load connection interface 230 of the present embodiment is not limited to the motor connection interface 231 and the sensor connection interface 232.
Referring to fig. 4, fig. 4 is a schematic structural diagram of a control circuit 222 according to an embodiment. In one embodiment, the control circuit 222 includes a transmitting end (not shown), a receiving end (not shown), and a processing unit 2221, wherein:
the transmitting end is used for transmitting the sensor control signal; the receiving end is used for receiving the detection signal; one end of the processing unit 2221 is connected to the first expansion interface 210, and the other end of the processing unit 2221 is connected to the transmitting end and the receiving end, respectively, for processing the sensor control signal and the detection signal.
In this embodiment, the transmitting end and the receiving end are independent ends. It can be understood that, by setting the transmitting end and the receiving end as independent two ends, that is, the receiving detection signal and the sending sensor control signal are independent, one end is abnormal and the normal operation of the other end is not affected.
It should be noted that the sensor control signal of the present embodiment may be a PWM signal. In this embodiment, the processing unit 2221 includes an RC filter circuit, a voltage amplifying circuit, a current control circuit, and a current adjusting circuit. The RC filter circuit is connected with the voltage amplification circuit, the voltage amplification circuit is connected with the current control circuit, and the current control circuit is connected with the current regulation loop. The RC filter circuit is used for extracting a direct current component of the PWM pulse signal, the voltage amplification circuit is used for outputting voltage of a regulated current, the current control circuit is used for controlling an output current, and the current regulation loop is used for converting the output current into the PWM pulse signal.
In one embodiment, the number of the sensor connection interfaces 232 is plural, the plural sensor connection interfaces 232 are used for connecting with the plural sensors in a one-to-one correspondence, and the control circuit 222 further includes: gating cell 2222.
One end of the gating unit 2222 is connected to the processing unit 2221, and the other end of the gating unit 2222 is connected to the plurality of sensor connection interfaces 232, respectively, for selectively connecting the connection path between the processing unit 2221 and one of the sensor connection interfaces 232.
In this embodiment, there are a plurality of sensor connection interfaces 232, and one processing unit 2221, and the connection path between the processing unit 2221 and one of the sensor connection interfaces 232 is selectively turned on by the gating unit 2222, so that even only one processing unit 2221 can perform signal interaction with a plurality of sensors.
It should be noted that, since the transmitting end and the receiving end are independent ends, the gating unit 2222 may be disposed at least one of the transmitting end and the receiving end.
The following description will be given taking as an example the setting of the gating unit 2222 at the receiving end.
Referring to fig. 5, fig. 5 is a schematic diagram of a gating unit 2222 arranged at the receiving end according to an embodiment. In this embodiment, as shown in fig. 5, the gating unit 2222 is connected to the plurality of sensor connection interfaces 232, and the gating unit 2222 turns on the connection paths of the processing unit 2221 and one of the sensor connection interfaces 232 at a time, so that the detection signals sent by the plurality of sensors sequentially pass through the first peripheral circuit 2223 to reach the processing unit 2221.
Referring to fig. 6, fig. 6 is a schematic structural diagram of a motor driving circuit 221 according to an embodiment. In one embodiment, as shown in fig. 6, the motor driving circuit 221 includes a motor driving chip 2211 and a second peripheral circuit 2212, wherein one end of the motor driving chip 2211 is connected to the first expansion interface 210, and the other end of the motor driving chip 2211 is connected to the motor connection interface 231, and is configured to convert a motor control signal generated by the main control board into a motor driving signal, and the motor driving signal is used to drive the motor to operate. The second peripheral circuit 2212 is connected to the motor driving chip 2211.
In the present embodiment, the signal is converted by the motor driver chip 2211, and since the circuit is integrated in the motor driver chip 2211, the structure of the expansion apparatus can be simplified.
Referring to fig. 7, fig. 7 is a schematic structural diagram of another expansion device according to an embodiment. In one embodiment, as shown in fig. 7, the expansion device further comprises a second expansion interface 240. Wherein:
one end of the second extension interface 240 is connected to one end of the processing module 220, and the other end of the second extension interface 240 is used to connect to a lower extension device, so as to forward signals between the main control board and the lower extension device.
The lower stage expansion device refers to a next stage expansion device of the expansion device.
Specifically, when the expansion device needs to be added, the newly added expansion device is connected through the second expansion interface 240, and then the interface on the main control board is set to be one, and the newly added expansion device is connected through the second expansion interface 240, so that the number of the interfaces on the main control board is reduced, and the structure of the main control board is simplified.
In one embodiment, a sheet media processing apparatus is provided that includes at least one expansion device. The expansion device may refer to the description of any of the above embodiments, which is not repeated in this embodiment.
It should be noted that, when there are a plurality of expansion devices, the plurality of expansion devices may be connected to the main control board respectively, and the main control board is provided with a plurality of interfaces for connecting the plurality of expansion devices; or a plurality of expansion devices can be connected in series in sequence to form a cascade link.
The cascade link refers to a link formed by sequentially connecting a plurality of expansion devices in series. Specifically, a plurality of expansion devices in the cascade link are sequentially connected in series, thereby forming a link.
Referring to fig. 8, fig. 8 is a schematic diagram of a cascaded link according to an embodiment. In one embodiment, as shown in fig. 8, the expansion device 200 at one end of the cascade link is connected to the main control board 100, and the other expansion devices 200 are cooperatively connected through the first expansion interface 210 and the second expansion interface 240, and are connected in series.
In this embodiment, a plurality of expansion devices 200 are sequentially connected in series to form a cascade link, and then only one interface on the main control board 100 is required, which theoretically supports the increase of an unlimited number of expansion devices 200, and compared to the manner in which a plurality of interfaces are arranged on the main control board 100 and a cascade link is formed, the number of the expansion devices 200 that can be increased is more flexible.
In the description herein, references to the description of "some embodiments," "other embodiments," "desired embodiments," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the utility model. In this specification, a schematic description of the above terminology may not necessarily refer to the same embodiment or example.
The technical features of the embodiments described above may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.
The above-mentioned embodiments only express several embodiments of the present invention, and the description thereof is more specific and detailed, but not construed as limiting the scope of the utility model. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the inventive concept, which falls within the scope of the present invention. Therefore, the protection scope of the present patent shall be subject to the appended claims.
Claims (10)
1. An expansion device, comprising:
one end of the first expansion interface is used for being connected with a main control board, and the main control board is used for carrying out signal interaction with a load arranged on the slice medium processing equipment;
one end of the processing module is connected with the other end of the first expansion interface and is used for processing an interaction signal between the main control board and the load;
and one end of the load connection interface is connected with the other end of the processing module, and the other end of the load connection interface is used for connecting the load so as to forward signals between the processing module and the load.
2. The expansion device of claim 1, wherein the load connection interface comprises:
the motor connection interface is used for connecting a motor, and the motor is used for providing power for the sheet medium processing equipment;
a sensor connection interface for connecting a sensor for detecting a state of the sheet media processing apparatus;
the processing module comprises:
one end of the motor driving circuit is connected with the first expansion interface, and the other end of the motor driving circuit is connected with the motor connecting interface and used for driving the motor to work;
and one end of the control circuit is connected with the first expansion interface, and the other end of the control circuit is connected with the sensor connection interface and used for transmitting a sensor control signal to the sensor and receiving a detection signal obtained by detecting the sheet medium processing equipment by the sensor.
3. The extension device of claim 2, wherein the control circuit comprises:
a transmitting end for transmitting the sensor control signal;
a receiving end for receiving the detection signal;
and one end of the processing unit is connected with the first expansion interface, and the other end of the processing unit is respectively connected with the transmitting end and the receiving end and is used for processing the sensor control signal and the detection signal.
4. The extension device according to claim 3, wherein the sensor connection interface is plural, and the plural sensor connection interfaces are used for connecting with the plural sensors in a one-to-one correspondence, and the control circuit further includes:
and one end of the gating unit is connected with the processing unit, and the other end of the gating unit is respectively connected with the plurality of sensor connecting interfaces and used for selectively conducting the connecting path of the processing unit and one of the sensor connecting interfaces.
5. The extension device of claim 1, wherein the first extension interface comprises a gold finger.
6. The expansion device of claim 1, wherein the first expansion interface, the processing module, and the load connection interface are integrated on a single PCB board.
7. The extension device of claim 2, wherein the motor drive circuit comprises:
and one end of the motor driving chip is connected with the first expansion interface, the other end of the motor driving chip is connected with the motor connection interface, and the motor driving chip is used for converting the motor control signal generated by the main control board into a motor driving signal which is used for driving the motor to work.
8. The extension device according to any one of claims 1-7, further comprising:
and one end of the second expansion interface is connected with one end of the processing module, and the other end of the second expansion interface is used for connecting a subordinate expansion device so as to forward signals between the main control board and the subordinate expansion device.
9. A sheet media processing apparatus, characterized by comprising at least one expansion device according to any one of claims 1-8.
10. The sheet medium processing apparatus according to claim 9, wherein the expanding device is plural, and plural expanding devices are sequentially connected in series to constitute a cascade link.
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| CN202120907777.1U CN215989557U (en) | 2021-04-28 | 2021-04-28 | Expansion device and sheet medium processing apparatus |
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| CN202120907777.1U CN215989557U (en) | 2021-04-28 | 2021-04-28 | Expansion device and sheet medium processing apparatus |
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