CN201251514Y - Pluggable analog signal generator - Google Patents
Pluggable analog signal generator Download PDFInfo
- Publication number
- CN201251514Y CN201251514Y CNU200820054233XU CN200820054233U CN201251514Y CN 201251514 Y CN201251514 Y CN 201251514Y CN U200820054233X U CNU200820054233X U CN U200820054233XU CN 200820054233 U CN200820054233 U CN 200820054233U CN 201251514 Y CN201251514 Y CN 201251514Y
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- CN
- China
- Prior art keywords
- plug
- circuit
- expansion slot
- signal generator
- pcb
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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Abstract
The utility model discloses a pluggable analog signal generator, which comprises a case (1), a main board (2) and a display (3), wherein a group of expansion slots (13) are arranged on the main board (2), a frequency signal generator plug-in (4), a voltage signal generator plug-in (5), a current signal generator plug-in (6), a speed signal generator plug-in (7), a signal condition plug-in (8) and other plug-ins (9) are in plug-in mounting in the expansion slots (13), and the main board is further equipped with a CPU and a memory unit (1), a power source (11), an external interface (13) and the display (3). The utility model has the advantages of software upgrading, hardware expansion, simple maintenance and the like, and is suitable for railway locomotives and manufacturing enterprises and research institutes.
Description
Technical field
The utility model relates to a kind of plug-in type analog signal generator that is applicable to the portable instrumentation equipment of railway locomotive supervisory system test.
Background technology
Along with progress of science and technology, various instrument and equipments develop to miniaturization and portable direction.With rolling stock detecting instrument equipment be example, existing way is that the printed circuit board (PCB) of the simulating signal of various detections needs is made some, then they are coupled together with cable, though can satisfy request for utilization to a certain extent, but there is tangible weak point: can not be by software upgrading, if each printed circuit board (PCB) damages the printed circuit board (PCB) that must more renew, cause cost to rise, and do not have the leeway of expansion.
The utility model content
The purpose of this utility model is to overcome deficiency of the prior art, and a kind of expansion that has is provided, and can realize the plug-in type analog signal generator of software upgrading.
The purpose of this utility model is achieved by following technical proposals: comprise cabinet, mainboard, display, described mainboard is provided with one group of expansion slot, plug-in mounting frequency of signal generator plug-in unit, voltage signal generator plug-in unit, current signal generator plug-in unit, speed signal generator plug-in unit, signal condition plug-in unit and other plug-in unit in the expansion slot; CPU and memory, power supply and external interface and display also are installed on the mainboard.
Described frequency of signal generator plug-in unit is the printed circuit board (PCB) of the plug of a band and expansion slot coupling, and FPGA wave generator circuit, isolating amplifier circuit and transformer isolation circuit are installed on the printed circuit board (PCB); The FPGA wave generator circuit is electrically connected the plug that is electrically connected isolating amplifier circuit, transformer isolation circuit in proper order and mates with expansion slot behind the plug that mates with expansion slot.
Described voltage signal generator plug-in unit is the printed circuit board (PCB) of the plug of a band and expansion slot coupling, and voltage generation circuit, isolating amplifier circuit, voltage commentaries on classics current circuit and voltage output protection circuit are installed on the printed circuit board (PCB); Voltage generation circuit is electrically connected the plug that is electrically connected isolating amplifier circuit, voltage commentaries on classics current circuit, voltage output protection circuit in proper order and mates with expansion slot behind the plug that mates with expansion slot.
Described current signal generator plug-in unit is the printed circuit board (PCB) of the plug of a band and expansion slot coupling, and voltage generation circuit, isolating amplifier circuit and electric current output protection circuit are installed on the printed circuit board (PCB); Voltage generation circuit is electrically connected the plug that is electrically connected isolating amplifier circuit, electric current output protection circuit in proper order and mates with expansion slot behind the plug that mates with expansion slot.
Described speed signal generator plug-in unit is the printed circuit board (PCB) of the plug of a band and expansion slot coupling, and high speed square-wave signal output circuit, optical coupling isolation circuit and rate signal output circuit are installed on the printed circuit board (PCB); High speed square-wave signal output circuit is electrically connected the plug that the back order is electrically connected optical coupling isolation circuit, rate signal output circuit and mates with expansion slot with the plug of expansion slot coupling.
Compared with prior art, the utlity model has following advantage: software upgrading, hardware expansion, maintenance are simple, with low cost.Being suitable for railway locomotive manufacturing enterprise and research institute uses.
Description of drawings
Fig. 1 is the structural representation of the utility model one embodiment;
Fig. 2 overlooks enlarged diagram for Fig. 1 mainboard;
Fig. 3 is Fig. 1 frequency of signal generator dongle configuration signal enlarged drawing;
Fig. 4 is Fig. 1 voltage signal generator dongle configuration signal enlarged drawing;
Fig. 5 is Fig. 1 current signal generator dongle configuration signal enlarged drawing;
Fig. 6 is Fig. 1 speed signal generator dongle configuration signal enlarged drawing;
Embodiment
The utility model is described in further detail below in conjunction with drawings and Examples:
With reference to accompanying drawing, the utility model comprises cabinet 1, mainboard 2, display 3, described mainboard 2 is provided with one group of expansion slot 13, plug-in mounting frequency of signal generator plug-in unit 4, voltage signal generator plug-in unit 5, current signal generator plug-in unit 6, speed signal generator plug-in unit 7, signal condition plug-in unit 8 and other plug-in unit 9 in the expansion slot 13; CPU and memory 10, power supply 11 and external interface 13 and display 3 also are installed on the mainboard 2.
Described frequency of signal generator plug-in unit 4 is the printed circuit board (PCB) of the plug of a band and expansion slot 13 couplings, and FPGA wave generator circuit 21, isolating amplifier circuit 22 and transformer isolation circuit 23 are installed on the printed circuit board (PCB); FPGA wave generator circuit 21 is electrically connected the plug that is electrically connected isolating amplifier circuit 22, transformer isolation circuit 23 in proper order and mates with expansion slot 13 behind the plug that mates with expansion slot 13.
Described voltage signal generator plug-in unit 5 is the printed circuit board (PCB) of the plug of a band and expansion slot 13 couplings, and voltage generation circuit 31, isolating amplifier circuit 22, voltage commentaries on classics current circuit 32 and voltage output protection circuit 33 are installed on the printed circuit board (PCB); Voltage generation circuit 31 is electrically connected the plug that is electrically connected isolating amplifier circuit 22, voltage commentaries on classics current circuit 32, voltage output protection circuit 33 in proper order and mates with expansion slot 13 behind the plug that mates with expansion slot 13.
Described current signal generator plug-in unit 6 is the printed circuit board (PCB) of the plug of a band and expansion slot 13 couplings, and voltage generation circuit 31, isolating amplifier circuit 22 and electric current output protection circuit 41 are installed on the printed circuit board (PCB); Voltage generation circuit 31 is electrically connected the plug that is electrically connected isolating amplifier circuit 22, electric current output protection circuit 41 in proper order and mates with expansion slot 13 behind the plug that mates with expansion slot 13.
Described speed signal generator plug-in unit 7 is the printed circuit board (PCB) of the plug of a band and expansion slot 13 couplings, and high speed square-wave signal output circuit 51, optical coupling isolation circuit 52 and rate signal output circuit 53 are installed on the printed circuit board (PCB); High speed square-wave signal output circuit 51 is electrically connected the plug that the back order is electrically connected optical coupling isolation circuit 52, rate signal output circuit 53 and mates with expansion slot 13 with the plug of expansion slot 13 couplings.
In the memory of CPU on the mainboard 2 and memory 10 special software is installed, can be realized the technology upgrading of each plug-in unit, maintain easily and change each plug-in unit, have expandability.Transfer mainboard and each plug-in unit collaborative work by software, finish the various detection tasks of prior formulation.
Claims (9)
1. plug-in type analog signal generator, comprise cabinet (1), mainboard (2), display (3), it is characterized in that: described mainboard (2) is provided with one group of expansion slot (13), plug-in mounting frequency of signal generator plug-in unit (4), voltage signal generator plug-in unit (5), current signal generator plug-in unit (6), speed signal generator plug-in unit (7), signal condition plug-in unit (8) and other plug-in unit (9) in the expansion slot (13); CPU and memory (1), power supply (11), external interface (13) and display (3) also are installed on the mainboard (2).
2. a kind of plug-in type analog signal generator according to claim 1, it is characterized in that: described frequency of signal generator plug-in unit (4) is the printed circuit board (PCB) of the plug of a band and expansion slot (13) coupling, and FPGA wave generator circuit (21), isolating amplifier circuit (22) and transformer isolation circuit (23) are installed on the printed circuit board (PCB); FPGA wave generator circuit (21) is electrically connected the plug that is electrically connected isolating amplifier circuit (22), transformer isolation circuit (23) in proper order and mates with expansion slot (13) behind the plug that mates with expansion slot (13).
3. a kind of plug-in type analog signal generator according to claim 1 and 2, it is characterized in that: described voltage signal generator plug-in unit (5) is the printed circuit board (PCB) of the plug of a band and expansion slot (13) coupling, and voltage generation circuit (31), isolating amplifier circuit (22), voltage commentaries on classics current circuit (32) and voltage output protection circuit (33) are installed on the printed circuit board (PCB); Voltage generation circuit (31) is electrically connected the plug that is electrically connected isolating amplifier circuit (22), voltage commentaries on classics current circuit (32), voltage output protection circuit (33) in proper order and mates with expansion slot (13) behind the plug that mates with expansion slot (13).
4. a kind of plug-in type analog signal generator according to claim 1 and 2, it is characterized in that: described current signal generator plug-in unit (6) is the printed circuit board (PCB) of the plug of a band and expansion slot (13) coupling, and voltage generation circuit (31), isolating amplifier circuit (22) and electric current output protection circuit (41) are installed on the printed circuit board (PCB); Voltage generation circuit (31) is electrically connected the plug that is electrically connected isolating amplifier circuit (22), electric current output protection circuit (41) in proper order and mates with expansion slot (13) behind the plug that mates with expansion slot (13).
5. a kind of plug-in type analog signal generator according to claim 3, it is characterized in that: described current signal generator plug-in unit (6) is the printed circuit board (PCB) of the plug of a band and expansion slot (13) coupling, and voltage generation circuit (31), isolating amplifier circuit (22) and electric current output protection circuit (41) are installed on the printed circuit board (PCB); Voltage generation circuit (31) is electrically connected the plug that is electrically connected isolating amplifier circuit (22), electric current output protection circuit (41) in proper order and mates with expansion slot (13) behind the plug that mates with expansion slot.
6. a kind of plug-in type analog signal generator according to claim 1 and 2, it is characterized in that: described speed signal generator plug-in unit (7) is the printed circuit board (PCB) of the plug of a band and expansion slot (13) coupling, and high speed square-wave signal output circuit (51), optical coupling isolation circuit (52) and rate signal output circuit (53) are installed on the printed circuit board (PCB); High speed square-wave signal output circuit (51) is electrically connected the plug that the back order is electrically connected optical coupling isolation circuit (52), rate signal output circuit (53) and mates with expansion slot (13) with the plug of expansion slot (13) coupling.
7. a kind of plug-in type analog signal generator according to claim 3, it is characterized in that: described speed signal generator plug-in unit (7) is the printed circuit board (PCB) of the plug of a band and expansion slot (13) coupling, and high speed square-wave signal output circuit (51), optical coupling isolation circuit (52) and rate signal output circuit (53) are installed on the printed circuit board (PCB); High speed square-wave signal output circuit (51) with is electrically connected the plug that the back order is electrically connected optical coupling isolation circuit (52), rate signal output circuit (53) and mates with expansion slot (13) with the plug of expansion slot (13) coupling.
8. a kind of plug-in type analog signal generator according to claim 4, it is characterized in that: described speed signal generator plug-in unit (7) is the printed circuit board (PCB) of the plug of a band and expansion slot (13) coupling, and high speed square-wave signal output circuit (51), optical coupling isolation circuit (52) and rate signal output circuit (53) are installed on the printed circuit board (PCB); High speed square-wave signal output circuit (51) is electrically connected the plug that the back order is electrically connected optical coupling isolation circuit (52), rate signal output circuit (53) and mates with expansion slot (13) with the plug of expansion slot (13) coupling.
9. a kind of plug-in type analog signal generator according to claim 5, it is characterized in that: described speed signal generator plug-in unit (7) is the printed circuit board (PCB) of the plug of a band and expansion slot (13) coupling, and high speed square-wave signal output circuit (51), optical coupling isolation circuit (52) and rate signal output circuit (53) are installed on the printed circuit board (PCB); High speed square-wave signal output circuit (51) is electrically connected the plug that the back order is electrically connected optical coupling isolation circuit (52), rate signal output circuit (53) and mates with expansion slot (13) with the plug of expansion slot (13) coupling.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU200820054233XU CN201251514Y (en) | 2008-08-27 | 2008-08-27 | Pluggable analog signal generator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU200820054233XU CN201251514Y (en) | 2008-08-27 | 2008-08-27 | Pluggable analog signal generator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201251514Y true CN201251514Y (en) | 2009-06-03 |
Family
ID=40747186
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU200820054233XU Expired - Fee Related CN201251514Y (en) | 2008-08-27 | 2008-08-27 | Pluggable analog signal generator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201251514Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103837354A (en) * | 2012-11-23 | 2014-06-04 | 南车洛阳机车有限公司 | Locomotive photoelectric speed signal generator |
-
2008
- 2008-08-27 CN CNU200820054233XU patent/CN201251514Y/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103837354A (en) * | 2012-11-23 | 2014-06-04 | 南车洛阳机车有限公司 | Locomotive photoelectric speed signal generator |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20090603 Termination date: 20170827 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |