CN206323368U - Multichannel modulus isolates sampling apparatus - Google Patents
Multichannel modulus isolates sampling apparatus Download PDFInfo
- Publication number
- CN206323368U CN206323368U CN201621470073.8U CN201621470073U CN206323368U CN 206323368 U CN206323368 U CN 206323368U CN 201621470073 U CN201621470073 U CN 201621470073U CN 206323368 U CN206323368 U CN 206323368U
- Authority
- CN
- China
- Prior art keywords
- sampling apparatus
- control module
- mainboard
- housing
- modulus
- 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 provides a kind of multichannel modulus isolation sampling apparatus, including：Casing and the mainboard being arranged in the casing, isolate sample circuit on the mainboard provided with multichannel modulus；Wherein described multichannel modulus isolation sample circuit includes：Signal generator module；Analog signalses control module, the analog signalses control module is connected with the signal generator module；Isolation element, the isolation element is connected with the analog signalses control module；Main control module, the main control module is connected with the isolation element.Compared with prior art, the utility model has advantages below：By isolation in need analog signal send into a modulus signal control module, the main control module of weak-feedback side of transmission line is sent a signal to by the module.Because the modulus signal control module cost is far below analog signal isolator part, therefore cost can be reduced in the case where the analog signal that need to isolate is a lot.Meanwhile, casing can play a good protection to internal component.
Description
Technical field
The utility model is related to the strong and weak electrical domain such as automotive electronics, Lighting control, and particularly a kind of multichannel modulus isolation is adopted
Sampling device.
Background technology
When the analog signal at vulnerabilities scan end needs to be obtained by forceful electric power side, the multi-channel A/D sampling of prior art includes forceful electric power
The main control device of the signal generator module of side, isolation element and weak-feedback side of transmission line.Per analog signal all the way all by respective isolation
Main control device is given after element separation and carries out logic judgment.So N roads signal is accomplished by N number of signal isolation device.And simulate
The electronic component price of signal isolation is general higher.
Utility model content
For defect of the prior art, the utility model purpose is to provide a kind of multichannel modulus isolation for reducing cost
Sampling apparatus.
In order to solve the above technical problems, the utility model provides a kind of multichannel modulus isolation sampling apparatus, including：Casing with
And the mainboard in the casing is arranged on, isolate sample circuit provided with multichannel modulus on the mainboard；Wherein described multichannel mould
Number isolation sample circuit includes：Signal generator module；Analog signalses control module, the analog signalses control module and institute
State signal generator module connection；Isolation element, the isolation element is connected with the analog signalses control module；Master control mould
Block, the main control module is connected with the isolation element.
Preferably, the casing includes：Case body, the case body is made up of cover plate and housing；The mainboard passes through spiral shell
Silk is fixed on the bottom of the housing；Control button and power switch, the control button and the power switch are set respectively
On the housing, the control button and the power switch are connected with the mainboard respectively；Main electrical scheme is arranged, the main electrical scheme
Row is set on the housing, and the main electrical scheme row is connected with the mainboard, dry provided with external remote control on main electrical scheme row
Contact；Transformer, the transformer is arranged on the bottom of the housing, and the transformer is connected with the mainboard.
Preferably, the multichannel modulus isolation sampling apparatus also includes secondary line bank, and the secondary line bank is arranged on described
On housing, the secondary line bank is connected with the mainboard.
Preferably, the control button is fixed on the housing by nut.
Preferably, the control button is cylindrical stable state switch.
Preferably, the power switch is embedded on the housing by bayonet socket.
Preferably, the power switch switchs for duplex electrical.
Preferably, the main electrical scheme row is rectangular structure, and the main electrical scheme row is connected to the master by 25 pin parallel ports
On plate.
Preferably, the secondary line bank is rectangular structure, and the secondary line bank is connected to described auxiliary by 25 pin parallel ports
On plate.
Preferably, the modulus signal control module is MCU, FPGA or DSP.
Compared with prior art, the utility model has advantages below：By isolation in need analog signal feeding one
Individual modulus signal control module, the main control module of weak-feedback side of transmission line is sent a signal to by the module.Because the modulus signal controls mould
Block cost is far below analog signal isolator part, therefore can reduce cost in the case where the analog signal that need to isolate is a lot.Together
When, casing can play a good protection to internal component.
Brief description of the drawings
By reading the detailed description made with reference to the following drawings to non-limiting example, other spies of the present utility model
Levying objects and advantages will become more apparent upon.
Fig. 1 is that the utility model multichannel modulus isolates sampling apparatus housing front-panel structure schematic diagram；
Fig. 2 is that the utility model multichannel modulus isolates sampling apparatus shell back face-plate structural representation；
Fig. 3 is that the utility model multichannel modulus isolates sampling apparatus housing bottom structural representation；
Fig. 4 is that the utility model multichannel modulus isolates sample circuit schematic diagram；
Fig. 5 is that the utility model multichannel modulus isolates sample circuit analog signalses control module schematic diagram.
Embodiment
The utility model is described in detail with reference to specific embodiment.Following examples will be helpful to this area
Technical staff further understands the utility model, but does not limit the utility model in any form.It should be pointed out that to ability
For the those of ordinary skill in domain, without departing from the concept of the premise utility, some changes and improvements can also be made.
As shown in FIG. 1 to 3, the utility model multichannel modulus isolation sampling apparatus, including case body, mainboard is (in figure not
Show), control button 5, power switch 2, transformer (not shown), line bank (main electrical scheme row 3 and secondary line bank 4).Its
Middle mainboard (not shown) is arranged in the middle of the bottom internal of housing 1, makes to be screwed；Control button is fixed on housing 1
On the circular hole held successfully；Power switch 2 is fixed on by bayonet socket on the reserved square opening of the power switch 2 of housing 1；Transformation
Device (not shown) is arranged on the rear portion of the base plate interior of housing 1；Main electrical scheme row 3 and secondary line bank 4 are arranged on the back of the body of housing 1
Portion.
Case body is cuboid, is divided into upper cover plate (not shown) and the two parts of housing 1, is provided with the both sides of housing 1
Support 6, convenient fixed and installation.There is 1 square preformed hole of power switch 2 front end of housing 1, and circular control button 5 is justified
Shape hole.There are the line bank mounting hole of long strip type and the entrance hole of power line in the rear end of housing 1.
Control button 5 is cylindrical stable state switch, and the under casing front end of housing 1 is fixed on by nut, is connected by wire jumper
Onto mainboard (not shown).
Power switch 2 is the duplex electrical switch 2 of cuboid, and the under casing front end of housing 1, the electricity of entrance are embedded in by bayonet socket
Source line is by power switch 2 again in mainboard (not shown).
Power transformer (not shown) is cube structure, installed in the rear portion of the under casing of housing 1, from mainboard (in figure
It is not shown) the 220V power supplys that come up by transformer (not shown) transformation are 18VAC, return mainboard (not shown)
On.This transformer (not shown) power is 30VA.
Main electrical scheme row 3 is rectangular structure, installed in the back of the under casing of housing 1.The capillary for arranging 3 bottoms from main electrical scheme comes out
Line be connected to by 25 pin parallel ports in mainboard (not shown), the dry contact of external remote control is connected from main electrical scheme row 3.Separately
The line bank of side is secondary line bank 4, is used when equipment extends to 6 passage.
As shown in Figure 4, Figure 5, multichannel modulus isolation sample circuit, including signal generator module；Analog signalses control mould
Block is connected with signal generator module, and signal flows into analog signalses control module from forceful electric power side input, flows out and leads to from right side
Isolation element is crossed into weak-feedback side of transmission line main control module.Microcontroller device wherein in analog signalses control module can be monolithic
Machine, FPGA, DSP etc. have the device of AD conversion function, and it is, by originally parallel N roads signal, to be converted into one walked that it, which is acted on,
Road signal, the main control module for being transferred to by isolation element weak-feedback side of transmission line.
Specific embodiment of the utility model is described above.It is to be appreciated that the utility model not office
It is limited to above-mentioned particular implementation, those skilled in the art can make a variety of changes or change within the scope of the claims,
This has no effect on substance of the present utility model.In the case where not conflicting, the spy in embodiments herein and embodiment
Levying arbitrarily to be mutually combined.
Claims (10)
1. a kind of multichannel modulus isolates sampling apparatus, it is characterised in that including casing and the mainboard being arranged in the casing,
Isolate sample circuit provided with multichannel modulus on the mainboard；Wherein
The multichannel modulus isolation sample circuit includes：
Signal generator module；
Analog signalses control module, the analog signalses control module is connected with the signal generator module；
Isolation element, the isolation element is connected with the analog signalses control module；
Main control module, the main control module is connected with the isolation element.
2. multichannel modulus according to claim 1 isolates sampling apparatus, it is characterised in that the casing includes：
Case body, the case body is made up of cover plate and housing；
The mainboard is screwed in the bottom of the housing；
Control button and power switch, the control button and the power switch are separately positioned on the housing, the control
Button processed and the power switch are connected with the mainboard respectively；
Main electrical scheme is arranged, and the main electrical scheme row is set on the housing, and the main electrical scheme row is connected with the mainboard, in the master
Line bank is provided with external remote control dry contact；
Transformer, the transformer is arranged on the bottom of the housing, and the transformer is connected with the mainboard.
3. multichannel modulus according to claim 2 isolates sampling apparatus, it is characterised in that described also including secondary line bank
Secondary line bank is set on the housing, and the secondary line bank is connected with the mainboard.
4. multichannel modulus according to claim 2 isolates sampling apparatus, it is characterised in that the control button passes through nut
Fix on the housing.
5. the multichannel modulus isolation sampling apparatus according to claim 2 or 4, it is characterised in that the control button is circle
Cylindricality stable state is switched.
6. multichannel modulus according to claim 2 isolates sampling apparatus, it is characterised in that the power switch passes through bayonet socket
It is embedded on the housing.
7. the multichannel modulus isolation sampling apparatus according to claim 2 or 6, it is characterised in that the power switch is double
Join power switch.
8. multichannel modulus according to claim 2 isolates sampling apparatus, it is characterised in that the main electrical scheme row is cuboid
Structure, the main electrical scheme row is connected on the mainboard by 25 pin parallel ports.
9. multichannel modulus according to claim 3 isolates sampling apparatus, it is characterised in that the secondary line bank is cuboid
Structure, the secondary line bank is connected on auxiliary plate by 25 pin parallel ports.
10. multichannel modulus according to claim 1 isolates sampling apparatus, it is characterised in that the modulus signal controls mould
Block is MCU, FPGA or DSP.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621470073.8U CN206323368U (en) | 2016-12-29 | 2016-12-29 | Multichannel modulus isolates sampling apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621470073.8U CN206323368U (en) | 2016-12-29 | 2016-12-29 | Multichannel modulus isolates sampling apparatus |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206323368U true CN206323368U (en) | 2017-07-11 |
Family
ID=59260810
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621470073.8U Expired - Fee Related CN206323368U (en) | 2016-12-29 | 2016-12-29 | Multichannel modulus isolates sampling apparatus |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206323368U (en) |
-
2016
- 2016-12-29 CN CN201621470073.8U patent/CN206323368U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170711 Termination date: 20211229 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |