CN103514675A - On-off type USB apparatus scheduling device and scheduling method thereof - Google Patents
On-off type USB apparatus scheduling device and scheduling method thereof Download PDFInfo
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- CN103514675A CN103514675A CN201210199025.XA CN201210199025A CN103514675A CN 103514675 A CN103514675 A CN 103514675A CN 201210199025 A CN201210199025 A CN 201210199025A CN 103514675 A CN103514675 A CN 103514675A
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Abstract
The invention discloses an on-off type USB apparatus scheduling device and a scheduling method thereof. The scheduling method comprises the following step: when a USB tax control apparatus at a particular slot position in an equipment cabinet needs to be connected with a computer host, a connection switching command is sent by the computer host to a switching control module, wherein the connection switching command includes the slot position port number of the USB tax control apparatus needs to be connected; a connection control signal is sent by the switching control module to a USB switch module and a power switch module corresponding to the slot position through the control end according to the slot position port number; and the power switch module corresponding to the slot position is opened for providing power for the slot position USB interface, and the USB switch module corresponding to the slot position is opened for connecting the internal USB interface with an extension interface corresponding to the slot position.
Description
Technical field
The present invention relates to tax control field, in particular to a kind of on-off type USB device dispatching device and dispatching method thereof.
Background technology
In tax control field, there is the enterprise of paying taxes of some industries to use USB tax controlling equipment to coordinate the software of making out an invoice of installing on computers to realize the business function issuing invoice together with the printer being connected with computer.For the ,Yi of single household enterprise family, only need so cover system, just can meet day to day operation needs.You enterprise, in order to manage simplification, selected the mode of trustship to tax office, the business of making out an invoice and the business of declaring dutiable goods are acted on behalf by tax office, for tax office, manage and act on behalf the USB tax controlling equipment of hundreds and thousands of even more Donna tax enterprise, carrying out concrete making out an invoice during business operation, to be each each household interim as connecting portable hard drive is connected with computer for current mode, operated and pulled up and leave in file cabinet.If all USB tax controlling equipments are all plugged and can be made desk tops mixed and disorderly by usb hub, power consumption increases, and key is that supporting business software does not support a plurality of equipment to peg graft simultaneously, and operating software can cause business processing to be made mistakes in this case.
The weak point of current this mode of operation is, the efficiency of business operation is low, and showing makes out an invoice at every turn all needs first to find out USB tax controlling equipment and operate; The management of USB tax controlling equipment is perfect not, shows that the many tax control specialized equipments of quantity do not have special storing compartment, uses to search with device security not ensure.
Summary of the invention
The invention provides a kind of on-off type USB device dispatching device and dispatching method thereof, in order to realize a plurality of different USB tax controlling equipments of business software operation, increase work efficiency, can be under lock and key these USB tax controlling equipments, accomplish to search conveniently, deposit safety simultaneously.
For achieving the above object, the invention provides a kind of on-off type USB device dispatching device, it comprises rack, usb hub module, a plurality of USB switch module, a plurality of power switching module and switching controls module, wherein
In rack, be provided with a plurality of grooves position, the size of each groove position and USB tax controlling equipment match, be suitable for importing and block USB tax controlling equipment, being provided with USB interface and the expansion interface being connected with USB tax controlling equipment in each groove position, each groove position is assigned unique port numbers;
Usb hub module has a root interface and a plurality of the first expansion interface, switching controls module has a USB interface and a plurality of control end, power switching module has one first control interface, and USB switch module has a USB root interface, one second control interface and a plurality of the second expansion interface;
One second expansion interface of usb hub module is connected with the USB interface of switching controls module, all the other expansion interfaces of usb hub module are connected with the USB root interface of a plurality of USB switch modules respectively, a plurality of second expansion interfaces of USB switch module are corresponding with a groove position in rack and be connected with the expansion interface in this groove position respectively, a plurality of power switching modules are corresponding with a groove position in rack and be connected between the USB interface in power supply adaptor and this groove position respectively, the first control interface of a plurality of power switching modules, the second control interface of a plurality of USB handover modules is respectively unique to be connected with control end switching controls module,
Switching controls module receives the switching command from external host computer by usb hub module, according to switching command, control corresponding power switching module and USB switch module and open or close the connecting path with the USB tax controlling equipment that will choose, wherein, any moment only have a USB tax controlling equipment with host computer in the unimpeded state of communicating by letter.
Further, usb hub module, switching controls module, a plurality of USB switch module, a plurality of power switching module are integrated on a control circuit board.
For achieving the above object, the present invention also provides a kind of dispatching method of above-mentioned on-off type USB device dispatching device, comprises the following steps:
When in rack, the USB tax controlling equipment of certain groove position need to be communicated with host computer, host computer sends connection switching command to switching controls module, is communicated with switching command and comprises the groove bit port number corresponding to US tax controlling equipment that will be communicated with to some extent;
Switching controls module is sent connection control signal by control end to USB switch module and the power switching module corresponding with this groove position according to groove bit port number;
The power switching module corresponding with this groove position opened as this groove position USB interface provides power supply, and the USB switch module corresponding with this groove position opened its inner USB root interface expansion interface corresponding with this groove position is communicated with.
Further, above-mentioned dispatching method is further comprising the steps of:
When in rack, the USB tax controlling equipment of certain groove position need to disconnect with host computer, host computer sends cut-out switching command to switching controls module, cuts off switching command and comprises the groove bit port number corresponding to US tax controlling equipment that will cut off to some extent;
Switching controls module is sent cutting-off controlling signal by control end to USB switch module and the power switching module corresponding with this groove position according to groove bit port number;
The power switching module corresponding with this groove position is broken as this groove position USB interface power supply is provided, and the USB switch module corresponding with this groove position disconnects being connected of expansion interface that its inner USB root interface is corresponding with this groove position.
Above-described embodiment has solved business software can only support the contradiction of once pegging graft between a USB tax controlling equipment and the common access of Duo Tai USB tax controlling equipment, business software is a USB tax controlling equipment of access at any time, by supporting SCS, send instruction to this dispatching device, reached the in fact object of a plurality of different USB tax controlling equipments of business software operation.
Accompanying drawing explanation
In order to be illustrated more clearly in the embodiment of the present invention or technical scheme of the prior art, to the accompanying drawing of required use in embodiment or description of the Prior Art be briefly described below, apparently, accompanying drawing in the following describes is only some embodiments of the present invention, for those of ordinary skills, do not paying under the prerequisite of creative work, can also obtain according to these accompanying drawings other accompanying drawing.
Fig. 1 is the on-off type USB device dispatching device schematic diagram of one embodiment of the invention;
Fig. 2 is the dispatching method process flow diagram of the on-off type USB device dispatching device of one embodiment of the invention.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is clearly and completely described, obviously, described embodiment is only the present invention's part embodiment, rather than whole embodiment.Embodiment based in the present invention, those of ordinary skills, not paying the every other embodiment obtaining under creative work prerequisite, belong to the scope of protection of the invention.
Fig. 1 is the on-off type USB device dispatching device schematic diagram of one embodiment of the invention; As shown in the figure, this dispatching device comprises rack, usb hub module, a plurality of USB switch module, a plurality of power switching module and switching controls module, wherein
In rack, be provided with a plurality of grooves position, the size of each groove position and USB tax controlling equipment (Golden Taxes Pan & The dish of declaring dutiable goods) match, be suitable for importing and block USB tax controlling equipment, in each groove position, be provided with USB interface and the expansion interface being connected with USB tax controlling equipment, each groove position is assigned unique port numbers (can be printed with numeral number on each Cao Wei side, for identifying groove bit sequence);
Usb hub module has a root interface and a plurality of the first expansion interface, switching controls module has a USB interface and a plurality of control end, power switching module has one first control interface, and USB switch module has a USB root interface, one second control interface and a plurality of the second expansion interface;
One second expansion interface of usb hub module is connected with the USB interface of switching controls module, all the other expansion interfaces of usb hub module are connected with the USB root interface of a plurality of USB switch modules respectively, a plurality of second expansion interfaces of USB switch module are corresponding with a groove position in rack and be connected with the expansion interface in this groove position respectively, a plurality of power switching modules are corresponding with a groove position in rack and be connected between the USB interface in power supply adaptor and this groove position respectively, the first control interface of a plurality of power switching modules, the second control interface of a plurality of USB handover modules is respectively unique to be connected with control end switching controls module,
Switching controls module receives the switching command from external host computer by usb hub module, according to switching command, control corresponding power switching module and USB switch module and open or close the connecting path with the USB tax controlling equipment that will choose, wherein, any moment only have a USB tax controlling equipment with host computer in the unimpeded state of communicating by letter.
Wherein, the message identification of the USB tax controlling equipment of the port numbers of each groove position of rack and correspondence thereof can be kept in host computer in advance, when needs are communicated with or disconnect being connected of host computer and certain USB tax controlling equipment, can be according to the message identification of the USB tax controlling equipment that will be communicated with or disconnect, the operation of searching corresponding groove bit port number and being communicated with or disconnecting according to this groove bit port number.
The present embodiment can be realized tax office and be connected separately the same result of use of each USB tax controlling equipment, on business without any impact, improved operating efficiency simultaneously, saved and searched and the time that is connected USB tax controlling equipment, and USB tax controlling equipment is unified in to be deposited in special-purpose rack and uses, be convenient to management, safety is secure.
Wherein, for convenience of using, usb hub module, switching controls module, a plurality of USB switch module, a plurality of power switching module are integrated on a control circuit board.
For example, in rack, be provided with 20 USB tax controlling equipment mounting groove positions, the size of each groove position and USB tax controlling equipment match, for importing and block USB tax controlling equipment, groove is provided with USB interface in position, for being connected with USB tax controlling equipment, each Cao Wei side is printed with numeral number, for identifying groove bit sequence 1-20.
Again for example, it is main devices that USB switch module can adopt PI3USB14LE, and it is main devices that switching controls module can adopt Nano120.
Fig. 2 is the dispatching method process flow diagram of the on-off type USB device dispatching device of one embodiment of the invention.As shown in the figure, for supporting the use with above-mentioned on-off type USB device dispatching device, the method comprises the following steps:
S102, when in rack, the USB tax controlling equipment of certain groove position need to be communicated with host computer, host computer sends connection switching command to switching controls module, is communicated with switching command and comprises the groove bit port number corresponding to US tax controlling equipment that will be communicated with to some extent;
S104, switching controls module is sent connection control signal by control end to USB switch module and the power switching module corresponding with this groove position according to groove bit port number;
S106, the power switching module corresponding with this groove position opened as this groove position USB interface provides power supply, and the USB switch module corresponding with this groove position opened its inner USB root interface expansion interface corresponding with this groove position is communicated with.
Wherein, the message identification of the USB tax controlling equipment of the port numbers of each groove position of rack and correspondence thereof can be kept in host computer in advance, when needs are communicated with or disconnect being connected of host computer and certain USB tax controlling equipment, can be according to the message identification of the USB tax controlling equipment that will be communicated with or disconnect, the operation of searching corresponding groove bit port number and being communicated with or disconnecting according to this groove bit port number.
Further, above-mentioned dispatching method is further comprising the steps of:
When in rack, the USB tax controlling equipment of certain groove position need to disconnect with host computer, host computer sends cut-out switching command to switching controls module, cuts off switching command and comprises the groove bit port number corresponding to US tax controlling equipment that will cut off to some extent;
Switching controls module is sent cutting-off controlling signal by control end to USB switch module and the power switching module corresponding with this groove position according to groove bit port number;
The power switching module corresponding with this groove position is broken as this groove position USB interface power supply is provided, and the USB switch module corresponding with this groove position disconnects being connected of expansion interface that its inner USB root interface is corresponding with this groove position.
From above-described embodiment, can find out, by above-mentioned dispatching device and dispatching method, solve business software and can only support the contradiction of once pegging graft between a USB tax controlling equipment and the common access of Duo Tai USB tax controlling equipment, business software is a USB tax controlling equipment of access at any time, by supporting SCS, send instruction to this dispatching device, reached the in fact object of a plurality of different USB tax controlling equipments of business software operation.
One of ordinary skill in the art will appreciate that: accompanying drawing is the schematic diagram of an embodiment, the module in accompanying drawing or flow process might not be that enforcement the present invention is necessary.
One of ordinary skill in the art will appreciate that: the module in the device in embodiment can be described and be distributed in the device of embodiment according to embodiment, also can carry out respective change and be arranged in the one or more devices that are different from the present embodiment.The module of above-described embodiment can be merged into a module, also can further split into a plurality of submodules.
Finally it should be noted that: above embodiment only, in order to technical scheme of the present invention to be described, is not intended to limit; Although the present invention is had been described in detail with reference to previous embodiment, those of ordinary skill in the art is to be understood that: its technical scheme that still can record previous embodiment is modified, or part technical characterictic is wherein equal to replacement; And these modifications or replacement do not make the essence of appropriate technical solution depart from the spirit and scope of embodiment of the present invention technical scheme.
Claims (4)
1. an on-off type USB device dispatching device, is characterized in that, comprises rack, usb hub module, a plurality of USB switch module, a plurality of power switching module and switching controls module, wherein
In described rack, be provided with a plurality of grooves position, the size of each groove position and USB tax controlling equipment match, be suitable for importing and block USB tax controlling equipment, being provided with USB interface and the expansion interface being connected with USB tax controlling equipment in each groove position, each groove position is assigned unique port numbers;
Described usb hub module has a root interface and a plurality of the first expansion interface, described switching controls module has a USB interface and a plurality of control end, described power switching module has one first control interface, and described USB switch module has a USB root interface, one second control interface and a plurality of the second expansion interface;
One second expansion interface of described usb hub module is connected with the USB interface of described switching controls module, all the other expansion interfaces of described usb hub module are connected with the USB root interface of a plurality of described USB switch modules respectively, a plurality of second expansion interfaces of described USB switch module are corresponding with a groove position in described rack and be connected with the expansion interface in this groove position respectively, a plurality of described power switching modules are corresponding with a groove position in described rack and be connected between the USB interface in power supply adaptor and this groove position respectively, the first control interface of a plurality of described power switching modules, the second control interface of a plurality of described USB handover modules is respectively unique to be connected with a control end described switching controls module,
Described switching controls module receives the switching command from external host computer by described usb hub module, according to described switching command, control corresponding described power switching module and described USB switch module and open or close the connecting path with the USB tax controlling equipment that will choose, wherein, any moment only have a USB tax controlling equipment with described host computer in the unimpeded state of communicating by letter.
2. on-off type USB device dispatching device according to claim 1, is characterized in that, described usb hub module, described switching controls module, a plurality of described USB switch module, a plurality of described power switching module are integrated on a control circuit board.
3. a dispatching method for the on-off type USB device dispatching device described in claim 1 or 2, is characterized in that, comprises the following steps:
When in described rack, the USB tax controlling equipment of certain groove position need to be communicated with host computer, described host computer sends connection switching command to described switching controls module, and described connection switching command comprises the groove bit port number corresponding to US tax controlling equipment that will be communicated with to some extent;
Described switching controls module is sent connection control signal by control end to USB switch module and the power switching module corresponding with this groove position according to described groove bit port number;
The power switching module corresponding with this groove position opened as this groove position USB interface provides power supply, and the USB switch module corresponding with this groove position opened its inner USB root interface expansion interface corresponding with this groove position is communicated with.
4. dispatching method according to claim 3, is characterized in that, further comprising the steps of:
When in described rack, the USB tax controlling equipment of certain groove position need to disconnect with described host computer, described host computer sends cut-out switching command to described switching controls module, and described cut-out switching command comprises the groove bit port number corresponding to US tax controlling equipment that will cut off to some extent;
Described switching controls module is sent cutting-off controlling signal by control end to USB switch module and the power switching module corresponding with this groove position according to described groove bit port number;
The power switching module corresponding with this groove position is broken as this groove position USB interface power supply is provided, and the USB switch module corresponding with this groove position disconnects being connected of expansion interface that its inner USB root interface is corresponding with this groove position.
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CN201210199025.XA CN103514675B (en) | 2012-06-14 | 2012-06-14 | On-off type USB apparatus scheduling device and scheduling method thereof |
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CN201210199025.XA CN103514675B (en) | 2012-06-14 | 2012-06-14 | On-off type USB apparatus scheduling device and scheduling method thereof |
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Cited By (3)
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CN105809849A (en) * | 2014-12-29 | 2016-07-27 | 航天信息股份有限公司 | Invoicing system and invoicing method capable of supporting various taxi control devices |
CN106845204A (en) * | 2017-01-06 | 2017-06-13 | 金华盛纸业(苏州工业园区)有限公司 | A kind of processing unit for the connection of multiple USB flash disks |
CN110618959A (en) * | 2019-09-23 | 2019-12-27 | 上海百胜软件股份有限公司 | Using method of programmable USB concentrator and RPA process automation method |
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CN110618959A (en) * | 2019-09-23 | 2019-12-27 | 上海百胜软件股份有限公司 | Using method of programmable USB concentrator and RPA process automation method |
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