CN203204358U - Time relay based on one-chip microcomputer - Google Patents
Time relay based on one-chip microcomputer Download PDFInfo
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- CN203204358U CN203204358U CN 201320176670 CN201320176670U CN203204358U CN 203204358 U CN203204358 U CN 203204358U CN 201320176670 CN201320176670 CN 201320176670 CN 201320176670 U CN201320176670 U CN 201320176670U CN 203204358 U CN203204358 U CN 203204358U
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- chip microcomputer
- circuit
- diode
- electric capacity
- time relay
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Abstract
The utility model discloses a time relay based on a one-chip microcomputer. The time relay comprises a keyboard, an LCD display screen, a one-chip microcomputer, a power supply circuit, a read-write memory, an RS232 communication circuit, an electronic switch, a crystal oscillation circuit and a reset circuit. A power supply output end of the power supply circuit is connected with a power supply input end of the one-chip microcomputer. A data port of the read-write memory is connected with a data port of the one-chip microcomputer. Signal output ends of the crystal oscillation circuit and the reset circuit are connected with a signal input end of the one-chip microcomputer. A control signal output end of the one-chip microcomputer is connected with a control signal input end of the electronic switch. A data port of the RS232 communication circuit is connected with a data port of the one-chip microcomputer. A one-chip microcomputer and a communication circuit are arranged in a time relay, so that the time relay based on a one-chip microcomputer is advantaged by simple structure, high reliability and easy function expandability, and can set turn-on and turn-off time of electric appliances remotely.
Description
Technical field
The utility model relates to a kind of time relay, particularly relates to a kind of SCM Based time relay.
Background technology
In modern automatic control equipment; the problem that is connected to each other that all has an electronic circuit and electric circuit; one side wants the control signal of electronic circuit can control the executive component of electric circuit; provide good electricity isolation for the electric circuit of electronic circuit again on the other hand; with the safety of protection electronic circuit and the person, the time relay just can play this function served as bridge.The time relay is a kind of with electronic timing circuit and relay assembly overrun control together, uses more in the automatic control of electronic equipment.Existing relay exists complex structure, poor reliability, does not have the shortcomings such as function expansibility.
The utility model content
The purpose of this utility model be provide in order to address the above problem a kind of simple in structure, reliability is high and have the SCM Based time relay of function expansibility.
The utility model is achieved through the following technical solutions:
A kind of SCM Based time relay, comprise keyboard and LCD display, single-chip microcomputer, power circuit, read-write memory, the RS232 communicating circuit, electronic switch, crystal oscillating circuit and reset circuit, the power output end of described power circuit is connected with the power input of described single-chip microcomputer, the FPDP of described read-write memory is connected with the FPDP of described single-chip microcomputer, described crystal oscillating circuit be connected the signal output part of reset circuit and be connected with the signal input part of described single-chip microcomputer, the control signal output terminal of described single-chip microcomputer is connected with the control signal input end of described electronic switch, and the FPDP of described RS232 communicating circuit is connected with the FPDP of described single-chip microcomputer.
Further, the described time relay also comprises warning circuit, and the signal input part of described warning circuit is connected with the alarm signal output ends of described single-chip microcomputer.
Particularly, the described time relay also comprises TCJA interface and ISP interface, and described TCJA interface is connected with described single-chip microcomputer with the ISP interface.
Further, described power circuit comprises transformer, switch, rectifier, integrated circuit, the first electric capacity, the second electric capacity, the 3rd electric capacity, the 4th electric capacity, the first diode, the second diode, the 3rd diode, the 4th diode, the first resistance, the second resistance and direct supply, the cathode output end of described direct supply respectively with the negative pole of described the first diode be connected the positive pole of the second diode and be connected, the positive pole of described the first diode is connected with the first end of described the first resistance, the second end of described the first resistance respectively with the power input of described integrated circuit be connected the first end of the second electric capacity and be connected, the second end of described the second electric capacity respectively with the first end of described the first electric capacity, the first end of the 3rd electric capacity, the first end of the 4th electric capacity, the first end of described the second resistance be connected the negative pole of direct supply and connect, the second end of described the 3rd electric capacity is connected with the positive pole of described the 3rd diode, the negative pole of described the 3rd diode is connected with the second end of described the 4th electric capacity, the negative pole of described the second diode is connected with the positive pole of described the 4th diode, the negative pole of described the 4th diode is connected with the second end of described the second resistance, the power output end of described integrated circuit and the first end of described rectifier be connected the first end of the first electric capacity and be connected, the second end of described the first electric capacity is connected with the second end of described rectifier, the 3rd end of described rectifier is connected with the first end of the first winding of described transformer, the 4th end of described rectifier is connected with the first end of described switch, the second end of described switch is connected with the second end of the first winding of described transformer, and the first end of the second winding of described transformer and the second end are power output end.
The beneficial effects of the utility model are:
By single-chip microcomputer and communicating circuit are set in the time relay, the utlity model has simple in structurely, reliability is high, and function is the advantage such as expansion easily, the time that the while can also be realized the opening and closing of remote setting electrical equipment.
Description of drawings
Fig. 1 is the structured flowchart of the SCM Based time relay of the utility model;
Fig. 2 is the circuit diagram of power circuit in the SCM Based time relay of the utility model.
Embodiment
The utility model is described in further detail below in conjunction with drawings and the specific embodiments:
As shown in Figure 1, the SCM Based time relay of the utility model, comprise keyboard and LCD display, single-chip microcomputer, power circuit, read-write memory, the RS232 communicating circuit, electronic switch, crystal oscillating circuit and reset circuit, the power output end of described power circuit is connected with the power input of described single-chip microcomputer, the FPDP of described read-write memory is connected with the FPDP of described single-chip microcomputer, described crystal oscillating circuit be connected the signal output part of reset circuit and be connected with the signal input part of described single-chip microcomputer, the control signal output terminal of described single-chip microcomputer is connected with the control signal input end of described electronic switch, and the FPDP of described RS232 communicating circuit is connected with the FPDP of described single-chip microcomputer.
The described time relay also comprises warning circuit, and the signal input part of described warning circuit is connected with the alarm signal output ends of described single-chip microcomputer.The described time relay also comprises TCJA interface and ISP interface, and described TCJA interface is connected with described single-chip microcomputer with the ISP interface.
As shown in Figure 2, described power circuit comprises transformer T, switch S, rectifier UR, integrated circuit (IC), the first capacitor C 1, the second capacitor C 2, the 3rd capacitor C 3, the 4th capacitor C 4, the first diode VD1, the second diode VD2, the 3rd diode VD3, the 4th diode VD4, the first resistance R 1, the second resistance R 2 and direct supply E, the cathode output end of described direct supply respectively with the negative pole of described the first diode VD1 be connected the positive pole of the second diode VD2 and be connected, the positive pole of described the first diode VD1 is connected with the first end of described the first resistance R 1, the second end of described the first resistance R 1 respectively with the power input of described integrated circuit (IC) be connected the first end of the second capacitor C 2 and be connected, the second end of described the second capacitor C 2 respectively with the first end of described the first capacitor C 1, the first end of the 3rd capacitor C 3, the first end of the 4th capacitor C 4, the first end of described the second resistance R 2 be connected the negative pole of direct supply E and connect, the second end of described the 3rd capacitor C 3 is connected with the positive pole of described the 3rd diode VD3, the negative pole of described the 3rd diode VD3 is connected with the second end of described the 4th capacitor C 4, the negative pole of described the second diode VD2 is connected with the positive pole of described the 4th diode VD4, the negative pole of described the 4th diode VD4 is connected with the second end of described the second resistance R 2, the first end of the power output end of described integrated circuit (IC) and described rectifier UR be connected the first end of the first capacitor C 1 and be connected, the second end of described the first capacitor C 1 is connected with the second end of described rectifier UR, the 3rd end of described rectifier UR is connected with the first end of the first winding of described transformer T, the 4th end of described rectifier UR is connected with the first end of described switch S, the second end of described switch S is connected with the second end of the first winding of described transformer T, and the first end of the second winding of described transformer T and the second end are power output end.
Claims (4)
1. SCM Based time relay, comprise keyboard and LCD display, it is characterized in that: also comprise single-chip microcomputer, power circuit, read-write memory, the RS232 communicating circuit, electronic switch, crystal oscillating circuit and reset circuit, the power output end of described power circuit is connected with the power input of described single-chip microcomputer, the FPDP of described read-write memory is connected with the FPDP of described single-chip microcomputer, described crystal oscillating circuit be connected the signal output part of reset circuit and be connected with the signal input part of described single-chip microcomputer, the control signal output terminal of described single-chip microcomputer is connected with the control signal input end of described electronic switch, and the FPDP of described RS232 communicating circuit is connected with the FPDP of described single-chip microcomputer.
2. the SCM Based time relay according to claim 1, it is characterized in that: the described time relay also comprises warning circuit, the signal input part of described warning circuit is connected with the alarm signal output ends of described single-chip microcomputer.
3. the SCM Based time relay according to claim 1, it is characterized in that: the described time relay also comprises TCJA interface and ISP interface, described TCJA interface is connected with described single-chip microcomputer with the ISP interface.
4. the SCM Based time relay according to claim 1, it is characterized in that: described power circuit comprises transformer, switch, rectifier, integrated circuit, the first electric capacity, the second electric capacity, the 3rd electric capacity, the 4th electric capacity, the first diode, the second diode, the 3rd diode, the 4th diode, the first resistance, the second resistance and direct supply, the cathode output end of described direct supply respectively with the negative pole of described the first diode be connected the positive pole of the second diode and be connected, the positive pole of described the first diode is connected with the first end of described the first resistance, the second end of described the first resistance respectively with the power input of described integrated circuit be connected the first end of the second electric capacity and be connected, the second end of described the second electric capacity respectively with the first end of described the first electric capacity, the first end of the 3rd electric capacity, the first end of the 4th electric capacity, the first end of described the second resistance be connected the negative pole of direct supply and connect, the second end of described the 3rd electric capacity is connected with the positive pole of described the 3rd diode, the negative pole of described the 3rd diode is connected with the second end of described the 4th electric capacity, the negative pole of described the second diode is connected with the positive pole of described the 4th diode, the negative pole of described the 4th diode is connected with the second end of described the second resistance, the power output end of described integrated circuit and the first end of described rectifier be connected the first end of the first electric capacity and be connected, the second end of described the first electric capacity is connected with the second end of described rectifier, the 3rd end of described rectifier is connected with the first end of the first winding of described transformer, the 4th end of described rectifier is connected with the first end of described switch, the second end of described switch is connected with the second end of the first winding of described transformer, and the first end of the second winding of described transformer and the second end are power output end.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320176670 CN203204358U (en) | 2013-04-10 | 2013-04-10 | Time relay based on one-chip microcomputer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320176670 CN203204358U (en) | 2013-04-10 | 2013-04-10 | Time relay based on one-chip microcomputer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203204358U true CN203204358U (en) | 2013-09-18 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320176670 Expired - Fee Related CN203204358U (en) | 2013-04-10 | 2013-04-10 | Time relay based on one-chip microcomputer |
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| Country | Link |
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| CN (1) | CN203204358U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104465222A (en) * | 2014-12-31 | 2015-03-25 | 常熟市九洲电器设备有限公司 | High-precision time relay |
-
2013
- 2013-04-10 CN CN 201320176670 patent/CN203204358U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104465222A (en) * | 2014-12-31 | 2015-03-25 | 常熟市九洲电器设备有限公司 | High-precision time relay |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130918 Termination date: 20140410 |