CN102915094B - PXI (PCI (Peripheral Component Interconnect) eXtensions for Instrumentation] back panel and portable PXI chassis - Google Patents
PXI (PCI (Peripheral Component Interconnect) eXtensions for Instrumentation] back panel and portable PXI chassis Download PDFInfo
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- CN102915094B CN102915094B CN201210335359.5A CN201210335359A CN102915094B CN 102915094 B CN102915094 B CN 102915094B CN 201210335359 A CN201210335359 A CN 201210335359A CN 102915094 B CN102915094 B CN 102915094B
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Abstract
The invention provides a PXI (PCI (Peripheral Component Interconnect) back panel and a portable PXI chassis. The PXI back panel comprises a circuit board and at least two groups of PXI slot positions on the circuit board, wherein each group of PXI slot positions are arranged in a matrix manner at preset intervals and includes at least two transversely arranged PXI slot positions, and the PXI slot positions are connected through a bus. Compared with the PXI back panel with the equal number of the slot positions, according to the PXI back panel provided by the invention, the width of the PXI back panel can be effectively decreased, so that the PXI back panel can be matched with the PXI chassis with a relatively small thickness, and the space is effectively saved.
Description
Technical field
The present invention relates to a kind of measure and control device, particularly relate to a kind of PXI backboard and portable PXI cabinet.
Background technology
PXI(PCI eXtensions for Instrumentation, the PCI towards instrument system expands) be a kind of measurement and robotization platform of firm Based PC.PXI combines the characteristic of the soundness of the electric bus characteristic of PCI and CompactPCI, modularization and Eurocard mechanical encapsulation, and adds special synchronous bus and main software characteristic.This makes PXI become high-performance, the low cost carrying platform of measurement and automated system.PXI system can be used in the various fields such as such as manufacturing test, military affairs and aviation, machine monitors, automobile production and industrial test.
Fig. 1 is the structural representation of existing 14 groove PXI backboards, comprise circuit board 1, system slot 2, trigger slot 3 and 14 expansion slots 4, circuit board 1 comprises the first functional surfaces and the second functional surfaces, wherein system slot 2, trigger longitudinal arrangement on the first functional surfaces that slot 3 and 14 expansion slots 4 be arranged on circuit board 1, in addition, second functional surfaces of circuit board 1 is provided with clock chip, the (not shown)s such as power supply interface module and fan interface module, because all slots are longitudinal arrangement on the first functional surfaces of circuit board 1, make the length of the width of PXI backboard and each slot suitable, therefore the wider width of PXI backboard, by PXI cabinet suitable with it for the insertion of PXI backboard longitudinal direction during use, so just require that the cabinet thickness of suitable PXI with it must be suitable with the width of PXI backboard, make the overall volume of PXI cabinet larger, thickness is thicker.
Summary of the invention
Be the thicker problem of the PXI cabinet thickness that causes of longitudinal arrangement for existing each slot of PXI backboard, the present invention proposes a kind of PXI backboard and portable PXI cabinet, the width of PXI backboard can be effectively reduced when PXI slot quantity is identical, the PXI cabinet that matching thickness is less, conserve space.
A kind of PXI backboard, comprises circuit board and at least two group PXI slots arranged on circuit boards, and each group PXI slot is with the arrangement of predetermined interval matrix, and often group PXI slot comprises the PXI slot of at least two horizontally sets, and each PXI slot is connected by bus.
A kind of portable PXI cabinet, comprises above-mentioned PXI backboard.
A kind of PXI backboard provided by the invention and portable PXI cabinet, each group of PXI slot arranges with predetermined interval matrix, often organize the PXI slot that PXI slot comprises at least two horizontally sets, the PXI backboard comparing equivalent amount slot can effectively reduce the width of PXI backboard, therefore, it is possible to the PXI cabinet that matching thickness is less, effective conserve space.
Accompanying drawing explanation
Fig. 1 is the structural representation of existing PXI backboard.
Fig. 2 is the layout of the first functional surfaces of circuit board in the first embodiment of PXI backboard provided by the invention.
Fig. 3 is the layout of the first functional surfaces of circuit board in PXI backboard the second embodiment provided by the invention.
Fig. 4 is the layout of the second functional surfaces of circuit board in PXI backboard the second embodiment provided by the invention.
Embodiment
With reference to the accompanying drawings embodiments of the invention are described.The element described in an accompanying drawing of the present invention or a kind of embodiment and feature can combine with the element shown in one or more other accompanying drawings or embodiment and feature.It should be noted that to know object, accompanying drawing and eliminate expression and the description of unrelated to the invention, parts known to persons of ordinary skill in the art and process in illustrating.
As shown in Figure 2, the structural representation of the first embodiment of PXI backboard provided by the invention, PXI backboard comprises: circuit board 101 and at least two group PXI slots be arranged on circuit board 101, each group of PXI slot arranges with predetermined interval matrix, and often group PXI slot comprises the PXI slot of at least two horizontally sets, each PXI slot is connected by bus.
Wherein each PXI slot comprises a system slot 103, triggering slot 102, one and multiple expansion slot 104.
The quantity of expansion slot and matrix can set according to actual needs, under the prerequisite that slot quantity is equal, the width that the width of above-mentioned PXI backboard compares the PXI backboard of existing longitudinal layout is narrow, during use, above-mentioned PXI backboard is inserted PXI cabinet suitable with it, the thickness of PXI cabinet is suitable with the width of PXI backboard, efficiently reduce the thickness of PXI cabinet compared to existing technology, conserve space.
As shown in Figure 3, the structural representation of PXI backboard the second embodiment provided by the invention, comprise circuit board 201, system slot 202, trigger slot 203 and four expansion slots 204, wherein circuit board 201 comprises the first functional surfaces A and the second functional surfaces B, first functional surfaces A and the second functional surfaces B can connect, system slot 202, trigger upper two matrixes in interval of the first functional surfaces A that slot 203 and four expansion slots 204 be arranged on circuit board 201 to arrange, wherein first group of slot comprises system slot 202 and two expansion slots 204 of horizontally set from bottom to top, second group of slot comprises two expansion slots 204 of horizontally set from bottom to top and triggers slot 203.
System slot 202 is for grafting PXI controller, trigger slot 203 for the star-like trigger equipment of grafting or PXI Universal peripheral, expansion slot 204 is for grafting PXI Universal peripheral, triggering slot 203 is expanded slot 204 by starlike Trigger Bus 208 with each and is connected, and realizes the transmission with the starlike trigger pip of each peripherals.
As shown in Figure 4, second functional surfaces B of circuit board 201 is provided with reference clock circuit module 205, reference clock circuit module 205 is expanded slot 204 with the triggering slot 203 on the first functional surfaces A of circuit board 201 and four and is connected, reference clock circuit module 205 provides the TTL signal of 10MHz, be distributed to and trigger slot 203 and each expansion slot 204, length of arrangement wire is identical.
Second functional surfaces B of circuit board 201 is also provided with power supply interface module 206 and fan interface module 207, power supply interface module 206 is for external power supply, PXI backboard is set up with the power supply on PXI cabinet and is electrically connected, fan interface module 207, for providing fan Peripheral Interface, accesses external fan.
As shown in Figure 3, bus comprises PXI Trigger Bus 209, pci bus 210, PXI local bus 211 and starlike Trigger Bus 208, PXI Trigger Bus, pci bus is arranged on the second functional surfaces B of circuit board 201, system slot 202 on first functional surfaces A of circuit board 201, trigger slot 203 to be connected respectively by PXI Trigger Bus 209 and pci bus 210 with each expansion slot 204, PXI Trigger Bus 209 and pci bus 210 provide a shared line of communication for the instrument module be inserted on PXI backboard, can allow transmission clock signal between multiple instrument module, trigger pip and specific host-host protocol.
Trigger slot 203 connected in series by PXI local bus 211 with each expansion slot 204, for signal transmission or as the transmission channel with digital communication between adjacent block, this external trigger slot is also expanded slot 204 by starlike Trigger Bus 208 with each and is connected, for realizing the transmission with the starlike trigger pip of each peripherals.
As shown in Figure 4, the second functional surfaces B of circuit board 201 is also provided with the screen data Line Interface Module 212 for providing display screen Peripheral Interface, screen data Line Interface Module is connected with system slot 202.
In addition, the second functional surfaces B of circuit board 201 is also provided with display screen gauge tap 213, and display screen gauge tap 213 is connected with screen data Line Interface Module 212, for connecting or disconnecting screen data Line Interface Module 212 and display screen peripheral communication.
Alternatively, second functional surfaces B of circuit board 201 is also provided with roller blind control signal switch 214, roller blind control signal switch 214 is connected with screen data Line Interface Module 212, for output display screen peripheral hardware roller blind display control signal, controls the anti-turnback of displaying contents of display screen.
Alternatively, second functional surfaces B of circuit board 201 is also provided with display brightness control interface module 215, display brightness control interface mould 215 is connected with screen data Line Interface Module 212, and display brightness control interface module 215 is for regulating the backlight of display screen to change the display brightness of display screen by changing voltage.
In addition, the second functional surfaces B of circuit board 201 can arrange USB interface, pilot lamp interface etc. according to actual needs, and this is known to the skilled person, and does not repeat them here.
The present embodiment also provides a kind of portable PXI cabinet, comprises above-mentioned PXI backboard, and above-mentioned PXI backboard inserts in portable PXI cabinet and uses, and PXI cabinet is provided with display screen, and above-mentioned PXI backboard is connected with the display screen on PXI cabinet.
The PXI backboard that the present embodiment provides, system slot, triggering slot and expansion slot are horizontally installed on circuit board in two interim matrixes arrangements, under the prerequisite that slot quantity is equal, the width that the width of above-mentioned PXI backboard compares the PXI backboard of existing longitudinal layout is narrow, can the less PXI cabinet of matching thickness, effective conserve space, in addition, the layouts such as screen data Line Interface Module, reference clock, PXI Trigger Bus and pci bus are on the second functional surfaces of substrate, effectively make use of the space of substrate, reduce the volume of PXI backboard further.
Although described the present invention and advantage thereof in detail, be to be understood that and can have carried out various change when not exceeding the spirit and scope of the present invention limited by appended claim, substituting and conversion.And the scope of the application is not limited only to the specific embodiment of process, equipment, means, method and step described by instructions.One of ordinary skilled in the art will readily appreciate that from disclosure of the present invention, can use perform the function substantially identical with corresponding embodiment described herein or obtain and its substantially identical result, existing and that will be developed in the future process, equipment, means, method or step according to the present invention.Therefore, appended claim is intended to comprise such process, equipment, means, method or step in their scope.
Claims (8)
1. a PXI backboard, it is characterized in that, comprise circuit board and be arranged at least two group PXI slots on described circuit board, each group of described PXI slot arranges with predetermined interval matrix, and often organize the PXI slot that described PXI slot comprises at least two horizontally sets, each described PXI slot is connected by bus;
Each PXI slot that described circuit board is arranged comprises: one triggers slot, a system slot and four expansion slots;
Wherein, circuit board comprises the first functional surfaces and the second functional surfaces, first functional surfaces and the second functional surfaces can connect, described system slot, trigger two matrixes arrangements in interval on the first functional surfaces that slot and four expansion slots be arranged on circuit board, wherein first group of slot comprises system slot and two expansion slots of horizontally set from bottom to top, and second group of slot comprises two expansion slots of horizontally set from bottom to top and trigger slot;
Described bus comprises PXI Trigger Bus, pci bus, PXI local bus and star-like Trigger Bus, PXI Trigger Bus, pci bus are arranged on the second functional surfaces of circuit board, system slot on first functional surfaces of circuit board, triggering slot and four expansion slots connect respectively by PXI Trigger Bus and pci bus, described triggering slot and four expansion slots connected in series by PXI local bus successively, described triggering slot is also expanded slot with each be connected by starlike Trigger Bus.
2. PXI backboard according to claim 1, is characterized in that, described second functional surfaces is provided with reference clock circuit module, and described reference clock circuit module is expanded slot with each and is connected.
3. PXI backboard according to claim 2, is characterized in that, the second functional surfaces of described circuit board is also provided with the power supply interface module for external power supply.
4. PXI backboard according to claim 2, is characterized in that, the second functional surfaces of described circuit board is also provided with the fan interface module for providing fan Peripheral Interface.
5. PXI backboard according to claim 2, it is characterized in that, second functional surfaces of described circuit board is also provided with the screen data Line Interface Module for providing display screen Peripheral Interface, described screen data Line Interface Module is connected with described system slot.
6. PXI backboard according to claim 5, is characterized in that, the second functional surfaces of described circuit board is also provided with:
For connecting or disconnect the display screen gauge tap of described screen data Line Interface Module and display screen peripheral communication, described display screen gauge tap is connected with described screen data Line Interface Module;
And/or,
For the roller blind control signal switch of output display screen peripheral hardware roller blind display control signal, described roller blind control signal switch is connected with described screen data interface module;
And/or,
For regulating the display brightness control interface module of display screen display brightness by changing voltage, described display brightness control interface module is connected with described screen data Line Interface Module.
7. a portable PXI cabinet, comprises the PXI backboard as described in any one of claim 1-6.
8. portable PXI cabinet according to claim 7, is characterized in that, described PXI cabinet also comprises display screen, and described display screen is connected with described PXI backboard.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210335359.5A CN102915094B (en) | 2012-09-11 | 2012-09-11 | PXI (PCI (Peripheral Component Interconnect) eXtensions for Instrumentation] back panel and portable PXI chassis |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210335359.5A CN102915094B (en) | 2012-09-11 | 2012-09-11 | PXI (PCI (Peripheral Component Interconnect) eXtensions for Instrumentation] back panel and portable PXI chassis |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102915094A CN102915094A (en) | 2013-02-06 |
| CN102915094B true CN102915094B (en) | 2015-04-08 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210335359.5A Active CN102915094B (en) | 2012-09-11 | 2012-09-11 | PXI (PCI (Peripheral Component Interconnect) eXtensions for Instrumentation] back panel and portable PXI chassis |
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Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112462890A (en) * | 2020-12-29 | 2021-03-09 | 成都达士通科技有限公司 | PXI shielding case and PXI backboard |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201556132U (en) * | 2009-12-25 | 2010-08-18 | 中国船舶重工集团公司第七○九研究所 | Compact PCI bus combined mainboard |
| CN102104225A (en) * | 2009-12-17 | 2011-06-22 | 上海凯迪克航空工程技术有限公司 | Low-frequency standard signal switching device |
| CN202771345U (en) * | 2012-09-11 | 2013-03-06 | 北京泛华恒兴科技有限公司 | Peripheral component interconnect extensions for instrumentation (PXI) backplane and portable PXI chassis |
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2012
- 2012-09-11 CN CN201210335359.5A patent/CN102915094B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102104225A (en) * | 2009-12-17 | 2011-06-22 | 上海凯迪克航空工程技术有限公司 | Low-frequency standard signal switching device |
| CN201556132U (en) * | 2009-12-25 | 2010-08-18 | 中国船舶重工集团公司第七○九研究所 | Compact PCI bus combined mainboard |
| CN202771345U (en) * | 2012-09-11 | 2013-03-06 | 北京泛华恒兴科技有限公司 | Peripheral component interconnect extensions for instrumentation (PXI) backplane and portable PXI chassis |
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| CN102915094A (en) | 2013-02-06 |
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