CN201286006Y - Electric appliance shared microcontroller embedded chip capable of differentiate multiple kinds of shockproof wall - Google Patents
Electric appliance shared microcontroller embedded chip capable of differentiate multiple kinds of shockproof wall Download PDFInfo
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- CN201286006Y CN201286006Y CNU200820163209XU CN200820163209U CN201286006Y CN 201286006 Y CN201286006 Y CN 201286006Y CN U200820163209X U CNU200820163209X U CN U200820163209XU CN 200820163209 U CN200820163209 U CN 200820163209U CN 201286006 Y CN201286006 Y CN 201286006Y
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- 230000005616 pyroelectricity Effects 0.000 claims abstract description 7
- 238000010438 heat treatment Methods 0.000 claims description 12
- 239000002131 composite material Substances 0.000 claims description 3
- 238000005314 correlation function Methods 0.000 claims description 3
- 229910052710 silicon Inorganic materials 0.000 claims description 3
- 239000010703 silicon Substances 0.000 claims description 3
- 238000009413 insulation Methods 0.000 abstract description 4
- 239000003550 marker Substances 0.000 abstract 2
- 239000004973 liquid crystal related substance Substances 0.000 abstract 1
- 238000004519 manufacturing process Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000001012 protector Effects 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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Abstract
The utility model relates to an electrical appliance sharing SCM embedded chip capable of distinguishing a plurality of electricity-proof wall devices, which comprises a SCM chip and a control software and is characterized in that the input terminal of the SCM chip provides digital and non-digital signal access interfaces of eight potential difference detecting devices bridged between a groundwire and a zero line, a feather-touch switch, an infrared transmitting and receiving device, a pyroelectricity transmitting and receiving device, a remote-control receiving device, a sensor, a temperature controller, and the like; the output terminal of the SCM chip is provided with the interfaces of a liquid crystal display and a terminal control circuit, and the input terminal is connected with three marker bits, and the eight combinations of earthing and disconnection of the three marker bits are respectively correspond to the eight potential difference detecting devices. The electrical appliance sharing SCM embedded chip can control an executive circuit to timely disconnect the power supply from the groundwire and a heater through receiving and distinguishing the output signals of the potential difference detecting device, and the like which is connected with the SCM chip and between the groundwire and the zero line when the groundwire and basic insulation both fail to work, and simultaneously completes the other control functions of related electrical appliances.
Description
Technical field
The utility model relates to a kind of microcontroller embedded chip, the particularly a kind of electric appliance shared microcontroller embedded chip that can distinguish multiple electricity-preventing wall device.
Background technology
The alleged electricity-preventing wall device of the utility model is to instigate household electrical appliance such as accumulating type electric water heater to have the personal safety protector that cut off ground wire and heating unit power when ground wire and basic insulation lost efficacy simultaneously in real time; unreliable ground connection; or even under the unsafe power utilization environment that lacks under the situation, be intended to guarantee user's safety.As everyone knows, the core of electricity-preventing wall device is a microcontroller embedded chip, by receive connected when ground wire and basic insulation lost efficacy simultaneously ground wire EIN and the output signal of the potential difference detecting device between zero line N, the executive circuit that control is attached thereto cuts off ground wire and heating unit power in real time.Meanwhile, finish other controlled function of related electrical equipment.The utility model is before the applying date, still the untapped electrical appliance co-used microcontroller embedded chip that goes out a kind of applicable multiple electricity-preventing wall device, be unfavorable for the intensification production of microcontroller embedded chip and the promotion and application of the anti-electric wall technology of electrical equipment, bring potential safety hazard also for the relevant electrical equipment user that electricity-preventing wall device is not housed.
Summary of the invention
The purpose of this utility model provides a kind of electric appliance shared microcontroller embedded chip that can distinguish multiple electricity-preventing wall device.
The technical scheme that its technical problem that solves the utility model adopts is: the utility model comprises singlechip chip and Control Software; The input of singlechip chip provides potential difference detecting device, three bit flag bit switches, touch-switch, infrared and digital signal and the nonnumeric signal access port such as receiving system, pyroelectricity transmitting and receiving device, remote-receiver, transducer and thermostat of eight kinds of cross-over connections between ground wire and zero line respectively, and the singlechip chip output provides the interface that connects two group relay executive circuits and LCDs and terminal control circuit respectively.Alleged three bit flag bit switches are three sensitive switches with open and close two states, the one end is connected with the input port of singlechip chip, other end ground connection, eight kinds of combinations of three bit flag bit switch ground connection and disconnection are corresponding with eight kinds of potential difference detecting device respectively, and scm software is distinguished eight kinds of potential difference detecting device according to eight kinds of combinations of three bit flag bit switch ground connection and disconnection.The potential difference detecting device of alleged eight kinds of cross-over connections between ground wire and zero line connected to form the switching signal when singlechip chip I/O input port provides ground wire electrification respectively successively by reduction voltage circuit, rectification circuit, switching circuit; Switching circuit comprises four kinds of single switching circuits that switching tube, Darlington transistor, integrated operational amplifier circuit, time-base circuit are formed and four kinds of composite switch circuits that formed by four kinds of single switching circuits and relay assembly.Alleged two group relay executive circuits are made up of switching tube drive circuit and relay, are serially connected with ground wire E at its normally-closed contact, normally opened contact
IN, E
OUTAnd heating unit power L
IN, L
OUTThe relay executive circuit is controlled by central processing unit, cuts off being serially connected in relay J when ground wire electrification
1, J
2Ground wire E
IN, E
OUTAnd electrical appliance heating unit power L
IN, L
OUT, under normal circumstances, the relay normally-closed contact is guaranteed ground wire E
IN, E
OUTAnd electrical appliance heating unit power L
IN, L
OUTConnection.The quantity of alleged touch-switch and function are determined by the terminal control circuit except that the control mains switch, the ordering of touch-switch input port is consistent with the ordering of output terminal control circuit, when being connected to infrared and receiving system, pyroelectricity transmitting and receiving device, remote-receiver, various kinds of sensors and attemperating unit, singlechip chip shields the correlation function of touch-switch automatically.Described terminal control circuit is the switching circuit that control terminal opens and closes, and generally comprises the combination of switching tube and relay and controllable silicon etc., and terminal equipment refers generally to various motors, electromagnetically operated valve, luminous element, heater and buzzer etc.; The nonnumeric signal access port that singlechip chip provides is connected with external A/D converter.
The beneficial effects of the utility model are microcontroller embedded chips by receiving and distinguishing the ground wire E of its eight kinds of potential difference detecting device that are connected when ground wire and basic insulation lost efficacy simultaneously
INAnd the output signal of the potential difference detecting device between zero line N, the relay executive circuit that control is attached thereto cuts off ground wire and heating unit power in real time, meanwhile, finishes other controlled function of related electrical equipment.Applicable multiple electrical equipment electricity-preventing wall device is shared, helps the intensification production of microcontroller embedded chip and the promotion and application of the anti-electric wall technology of electrical equipment, brings safety to the user.
Description of drawings
The utility model is described in further detail below by accompanying drawing.
Accompanying drawing 1 is an electrical schematic diagram of the present utility model.
Embodiment
Consult Fig. 1.The utility model comprises singlechip chip and Control Software; The input of singlechip chip provides potential difference detecting device, three bit flag bit switches, touch-switch, infrared and digital signal and the nonnumeric signal access port such as receiving system, pyroelectricity transmitting and receiving device, remote-receiver, transducer and thermostat of eight kinds of cross-over connections between ground wire and zero line respectively, and the singlechip chip output provides the interface that connects two group relay executive circuits and LCDs and terminal control circuit respectively.Alleged three bit flag bit switches are three sensitive switches with open and close two states, the one end is connected with the input port of singlechip chip, other end ground connection, eight kinds of combinations of three bit flag bit switch ground connection and disconnection are corresponding with eight kinds of potential difference detecting device respectively, and scm software is distinguished eight kinds of potential difference detecting device according to eight kinds of combinations of three bit flag bit switch ground connection and disconnection.The potential difference detecting device of alleged eight kinds of cross-over connections between ground wire and zero line connected to form the switching signal when singlechip chip I/O input port provides ground wire electrification respectively successively by reduction voltage circuit, rectification circuit, switching circuit; Switching circuit comprises four kinds of single switching circuits that switching tube, Darlington transistor, integrated operational amplifier circuit, time-base circuit are formed and four kinds of composite switch circuits that formed by four kinds of single switching circuits and relay assembly.Alleged two group relay executive circuits are made up of switching tube drive circuit and relay, are serially connected with ground wire E at its normally-closed contact, normally opened contact
IN, E
OUTAnd heating unit power L
IN, L
OUTThe relay executive circuit is controlled by central processing unit, cuts off being serially connected in relay J when ground wire electrification
1, J
2Ground wire E
IN, E
OUTAnd electrical appliance heating unit power L
IN, L
OUT, under normal circumstances, the relay normally-closed contact is guaranteed ground wire E
IN, E
OUTAnd electrical appliance heating unit power L
IN, L
OUTConnection.The quantity of alleged touch-switch and function are determined by the terminal control circuit except that the control mains switch, the ordering of touch-switch input port is consistent with the ordering of output terminal control circuit, when being connected to infrared and receiving system, pyroelectricity transmitting and receiving device, remote-receiver, various kinds of sensors and attemperating unit, singlechip chip shields the correlation function of touch-switch automatically.Described terminal control circuit is the switching circuit that control terminal opens and closes, and generally comprises the combination of switching tube and relay and controllable silicon etc., and terminal equipment refers generally to various motors, electromagnetically operated valve, luminous element, heater and buzzer etc.; The nonnumeric signal access port that singlechip chip provides is connected with external A/D converter.
The utility model singlechip chip adopts the 8-bit microcontroller of band AD conversion and two kinds of the 8-bit microcontrollers do not changed with A/D, and its I/O port is no less than 36.The former is suitable for the input of nonnumeric signal, and the latter is suitable for the input of digital signal.The nonnumeric signal access port that singlechip chip provides is connected with external A/D converter.
Claims (7)
1, a kind of electric appliance shared microcontroller embedded chip that can distinguish multiple electricity-preventing wall device comprises singlechip chip and Control Software; The input that it is characterized in that singlechip chip provides potential difference detecting device, three bit flag bit switches, touch-switch, infrared and digital signal and the nonnumeric signal access port such as receiving system, pyroelectricity transmitting and receiving device, remote-receiver, transducer and thermostat of eight kinds of cross-over connections between ground wire and zero line respectively, and the singlechip chip output provides the interface that connects two group relay executive circuits and LCDs and terminal control circuit respectively.
2, a kind of electric appliance shared microcontroller embedded chip that can distinguish multiple electricity-preventing wall device according to claim 1, it is characterized in that alleged three bit flag bit switches are three sensitive switches with open and close two states, the one end is connected with the input port of singlechip chip, other end ground connection, eight kinds of combinations of three bit flag bit switch ground connection and disconnection are corresponding with eight kinds of potential difference detecting device respectively, and scm software is distinguished eight kinds of potential difference detecting device according to eight kinds of combinations of three bit flag bit switch ground connection and disconnection.
3, a kind of electric appliance shared microcontroller embedded chip that can distinguish multiple electricity-preventing wall device according to claim 1, it is characterized in that the potential difference detecting device of alleged eight kinds of cross-over connections between ground wire and zero line connected to form the switching signal when singlechip chip I/O input port provides ground wire electrification respectively successively by reduction voltage circuit, rectification circuit, switching circuit; Switching circuit comprises four kinds of single switching circuits that switching tube, Darlington transistor, integrated operational amplifier circuit, time-base circuit are formed and four kinds of composite switch circuits that formed by four kinds of single switching circuits and relay assembly.
4, a kind of electric appliance shared microcontroller embedded chip that can distinguish multiple electricity-preventing wall device according to claim 1, it is characterized in that alleged two group relay executive circuits are made up of switching tube drive circuit and relay, be serially connected with ground wire (E at its normally-closed contact, normally opened contact
IN, E
OUT) and heating unit power (L
IN, L
OUT), the relay executive circuit is controlled by central processing unit, cuts off being serially connected in relay J when ground wire electrification
1, J
2Ground wire (E
IN, E
OUT) and electrical appliance heating unit power (L
IN, L
OUT), under normal circumstances, the relay normally-closed contact is guaranteed ground wire (E
IN, E
OUT) and electrical appliance heating unit power (L
IN, L
OUT) connection.
5, a kind of electric appliance shared microcontroller embedded chip that can distinguish multiple electricity-preventing wall device according to claim 1, the quantity and the function that it is characterized in that alleged touch-switch are determined by the terminal control circuit except that the control mains switch, the ordering of touch-switch input port is consistent with the ordering of output terminal control circuit, when being connected to infrared and receiving system, pyroelectricity transmitting and receiving device, remote-receiver, transducer and attemperating unit, singlechip chip shields the correlation function of touch-switch automatically.
6, a kind of electric appliance shared microcontroller embedded chip that can distinguish multiple electricity-preventing wall device according to claim 1, it is characterized in that described terminal control circuit is the switching circuit that control terminal opens and closes, the switching circuit that control terminal opens and closes is the combination and the controllable silicon of switching tube and relay, and terminal equipment is motor, electromagnetically operated valve, luminous element, heater and buzzer.
7, a kind of electric appliance shared microcontroller embedded chip that can distinguish multiple electricity-preventing wall device according to claim 1 is characterized in that the nonnumeric signal access port that singlechip chip provides is connected with external A/D converter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU200820163209XU CN201286006Y (en) | 2008-08-22 | 2008-08-22 | Electric appliance shared microcontroller embedded chip capable of differentiate multiple kinds of shockproof wall |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU200820163209XU CN201286006Y (en) | 2008-08-22 | 2008-08-22 | Electric appliance shared microcontroller embedded chip capable of differentiate multiple kinds of shockproof wall |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201286006Y true CN201286006Y (en) | 2009-08-05 |
Family
ID=40950974
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU200820163209XU Expired - Fee Related CN201286006Y (en) | 2008-08-22 | 2008-08-22 | Electric appliance shared microcontroller embedded chip capable of differentiate multiple kinds of shockproof wall |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201286006Y (en) |
-
2008
- 2008-08-22 CN CNU200820163209XU patent/CN201286006Y/en not_active Expired - Fee Related
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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: 20090805 Termination date: 20100822 |