CN203563051U - Signal isolator - Google Patents
Signal isolator Download PDFInfo
- Publication number
- CN203563051U CN203563051U CN201320609503.XU CN201320609503U CN203563051U CN 203563051 U CN203563051 U CN 203563051U CN 201320609503 U CN201320609503 U CN 201320609503U CN 203563051 U CN203563051 U CN 203563051U
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- CN
- China
- Prior art keywords
- circuit
- signal
- amplification
- isolator
- photoelectric isolating
- 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 signal isolator comprising an isolator body; function buttons and sheet card ports are arranged on an outer portion of the isolator body; a signal input circuit, a signal amplification circuit, an optoelectronic isolation circuit, an amplification output circuit and a power supply are arranged in the isolator body; the signal input circuit and the optoelectronic isolation circuit are respectively connected with the signal amplification circuit; the amplification output circuit is connected with the optoelectronic isolation circuit; the signal amplification circuit, the optoelectronic isolation circuit and the amplification output circuit are respectively connected with the power supply. The beneficial effects are that the signal isolator is excellent in performance, low in cost, employs sheet card port structure, is easy to mount and convenient in usage.
Description
Technical field
The utility model relates to a kind of isolator, especially relates to a kind of signal isolator.
Background technology
In industrial processes, realize monitoring and controlling and need to use various instrument and meter for automations, control system and actuator, the existing faint small-signal to millivolt level, milliampere level of signal transmission between them; There are again tens volts, thousands of volts, the large-signal of hundreds of amperes; Existing low frequency direct current signal, also has high-frequency pulse signal etc., often finds between instrument and equipment, to transmit phase mutual interference after construction system, causes the unstable even misoperation of system; In addition, in the course of the work, natural disturbance, as thunder and lightning and artificial disturbance also make signal unstable in signal transduction process, is to guarantee signal stabilization, uses signal isolator particularly important.
Utility model content
The purpose of this utility model is to provide a kind of signal isolator, and superior performance is with low cost, adopts sheet bayonet type structure, is easy to install, easy to use.
The technical solution of the utility model is: a kind of signal isolator, comprise the body of isolator, and described insulator body outer setting has function button and sheet bayonet socket; Described insulator body inside is provided with signal input circuit, signal amplification circuit, photoelectric isolating circuit, amplification output circuit and power supply; Described signal input circuit is connected with signal amplification circuit respectively with photoelectric isolating circuit; Described amplification output circuit is connected with photoelectric isolating circuit: described signal amplification circuit, photoelectric isolating circuit, amplification output circuit are connected with power supply respectively.
Further, described photoelectric isolating circuit has 4 tunnels.
Advantage and the good effect that the utlity model has are: owing to adopting technique scheme, and superior performance, with low cost, adopt sheet bayonet type structure, be easy to install, easy to use.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model.
Fig. 2 is the utility model internal structure schematic diagram.
In figure:
1, insulator body 2, function button 3, bayonet socket 4, signal input circuit 5, signal amplification circuit
6, photoelectric isolating circuit 7, amplification output circuit 8, power supply
Embodiment
Below in conjunction with accompanying drawing, the utility model is elaborated.
As shown in Figure 1, a kind of signal isolator of the utility model, comprises the body 1 of isolator, and described insulator body 1 outer setting has function button 2 and sheet bayonet socket 3; As shown in Figure 2, described insulator body 1 inside is provided with signal input circuit 4, signal amplification circuit 5, photoelectric isolating circuit 6, amplification output circuit 7 and power supply 8; Described signal input circuit 4 is connected with signal amplification circuit 5 respectively with photoelectric isolating circuit 6; Described amplification output circuit 7 is connected with photoelectric isolating circuit 6: described signal amplification circuit 5, photoelectric isolating circuit 6, amplification output circuit 7 are connected with power supply 8 respectively.
Further, described photoelectric isolating circuit 6 has 4 tunnels.
Adopted sheet module bayonet socket 3, can directly snap in standard DIN track, so installing/dismounting and safeguard very conveniently, can multi-disc compact superimposed being arranged on saved on standard track or the binding post of the input of alternative control cubicle, output.During work, signal input circuit 4 acknowledge(ment) signals, amplify signal through signal amplification circuit 5, enter photoelectric isolating circuit 6 signal of telecommunication is converted into light signal, then be converted into the signal of telecommunication, finally the signal of telecommunication are exported by amplification output circuit 7.
Above an embodiment of the present utility model is had been described in detail, but described content is only preferred embodiment of the present utility model, can not be considered to for limiting practical range of the present utility model.All equalization variations of doing according to the utility model application range and improvement etc., within all should still belonging to patent covering scope of the present utility model.
Claims (2)
1. a signal isolator, comprises and it is characterized in that the body (1) of isolator: described insulator body (1) outer setting has function button (2) and sheet bayonet socket (3); Described insulator body (1) inside is provided with signal input circuit (4), signal amplification circuit (5), photoelectric isolating circuit (6), amplification output circuit (7) and power supply (8); Described signal input circuit (4) is connected with signal amplification circuit (5) respectively with photoelectric isolating circuit (6); Described amplification output circuit (7) is connected with photoelectric isolating circuit (6): described signal amplification circuit (5), photoelectric isolating circuit (6), amplification output circuit (7) are connected with power supply (8) respectively.
2. a kind of signal isolator according to claim 1, is characterized in that: described photoelectric isolating circuit (6) has 4 tunnels.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320609503.XU CN203563051U (en) | 2013-09-28 | 2013-09-28 | Signal isolator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320609503.XU CN203563051U (en) | 2013-09-28 | 2013-09-28 | Signal isolator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203563051U true CN203563051U (en) | 2014-04-23 |
Family
ID=50512746
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320609503.XU Expired - Fee Related CN203563051U (en) | 2013-09-28 | 2013-09-28 | Signal isolator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203563051U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110413035A (en) * | 2019-09-02 | 2019-11-05 | 武汉松野智能仪表有限公司 | A kind of intelligent signal isolator circuit |
-
2013
- 2013-09-28 CN CN201320609503.XU patent/CN203563051U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110413035A (en) * | 2019-09-02 | 2019-11-05 | 武汉松野智能仪表有限公司 | A kind of intelligent signal isolator circuit |
| CN110413035B (en) * | 2019-09-02 | 2024-05-24 | 武汉松野智能仪表有限公司 | Intelligent signal isolator circuit |
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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: 20140423 Termination date: 20140928 |
|
| EXPY | Termination of patent right or utility model |