CN203553045U - Relay control circuit - Google Patents
Relay control circuit Download PDFInfo
- Publication number
- CN203553045U CN203553045U CN201320597777.1U CN201320597777U CN203553045U CN 203553045 U CN203553045 U CN 203553045U CN 201320597777 U CN201320597777 U CN 201320597777U CN 203553045 U CN203553045 U CN 203553045U
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- China
- Prior art keywords
- chip
- relay
- diode
- drive
- power supply
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Abstract
The utility model discloses a relay control circuit, which comprises a single-chip microcomputer, a drive chip and a relay. The single-chip microcomputer, the drive chip and the relay are sequentially and electrically connected. The first output end Y0 of the drive chip is connected with a 24V power supply through a diode D1. The second output end Y1 of the drive chip is connected with the 24V power supply through a diode D2. The sixth output end Y5 of the drive chip is connected with the 24V power supply through a diode D3. The seventh output end Y6 of the drive chip is connected with the 24V power supply through a diode D4. The drive chip is an MC1416 type chip. According to the technical scheme of the utility model, the corresponding output ends of the drive chip are respectively provided with protection diodes used for preventing the self-induced electromotive force of the coil of a relay from influencing the drive chip. Meanwhile, the MC1416 type chip is adopted as the drive chip of the relay, and the chip is large in drive current, high-voltage resistant and stable in performance. Therefore, by means of the entire circuit, the drive system of the relay is enabled to be more stable and more reliable.
Description
Technical field
The utility model relates to a kind of control relay circuit.
Background technology
At present, existing technology all adopts common relay to drive chip, and its drive current is not too large, withstand voltage lower, and performance cannot reach stability requirement.And common driving chip easily causes the self induction electromotive force of relay coil to have influence on the performance that drives chip, makes whole drive circuit poor stability, reliability cannot reach desirable requirement.
Utility model content
The utility model object is that the defect existing for prior art provides a kind of control relay circuit.
The utility model for achieving the above object, adopt following technical scheme: a kind of control relay circuit, comprise the single-chip microcomputer, driving chip and the relay that are electrically connected to successively, the first output Y0 of described driving chip is connected on 24V power supply by diode D1; The second output Y1 of described driving chip is connected on 24V power supply by diode D2; The 6th output Y5 of described driving chip is connected on 24V power supply by diode D3; The 7th output Y6 of described driving chip is connected on 24V power supply by diode D4; Wherein, described driving chip is MC1416 chip.
The beneficial effects of the utility model: the corresponding output end of driving chip of the present utility model is respectively arranged with protection diode D1, D2, D3 and D4, for preventing that the self induction electromotive force of relay coil from having influence on driving chip.In addition, adopt MC1416 chip to drive chip as relay, this chip drives electric current is large, withstand voltage height, stable performance.Whole circuit makes relay drive system more stable, reliable.
Accompanying drawing explanation
Fig. 1 circuit theory schematic diagram of the present utility model.
Embodiment
Shown in Fig. 1, for a kind of control relay circuit, comprise the single-chip microcomputer 1, driving chip 2 and the relay 3 that connect successively, the first output Y0 of described driving chip 2 is connected on 24V power supply by diode D1, the second output Y1 of described driving chip 2 is connected on 24V power supply by diode D2, the 6th output Y5 of described driving chip 2 is connected on 24V power supply by diode D3, and the 7th output Y6 of described driving chip 2 is connected on 24V power supply by diode D4; Wherein, described driving chip 2 is MC1416 chip.
The foregoing is only preferred embodiment of the present utility model, not in order to limit the utility model, all within spirit of the present utility model and principle, any modification of doing, be equal to replacement, improvement etc., within all should being included in protection range of the present utility model.
Claims (1)
1. a control relay circuit, comprises the single-chip microcomputer, driving chip and the relay that are electrically connected to successively, it is characterized in that, the first output Y0 of described driving chip is connected on 24V power supply by diode D1; The second output Y1 of described driving chip is connected on 24V power supply by diode D2; The 6th output Y5 of described driving chip is connected on 24V power supply by diode D3; The 7th output Y6 of described driving chip is connected on 24V power supply by diode D4; Wherein, described driving chip is MC1416 chip.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320597777.1U CN203553045U (en) | 2013-09-26 | 2013-09-26 | Relay control circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320597777.1U CN203553045U (en) | 2013-09-26 | 2013-09-26 | Relay control circuit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203553045U true CN203553045U (en) | 2014-04-16 |
Family
ID=50471126
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320597777.1U Expired - Fee Related CN203553045U (en) | 2013-09-26 | 2013-09-26 | Relay control circuit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203553045U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105977103A (en) * | 2016-06-22 | 2016-09-28 | 青岛职业技术学院 | Relay switch apparatus and relay thereof |
-
2013
- 2013-09-26 CN CN201320597777.1U patent/CN203553045U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105977103A (en) * | 2016-06-22 | 2016-09-28 | 青岛职业技术学院 | Relay switch apparatus and relay thereof |
| CN105977103B (en) * | 2016-06-22 | 2018-06-08 | 青岛职业技术学院 | A kind of relay switch apparatus and its relay |
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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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140416 Termination date: 20160926 |