CN201274404Y - Electric appliance shared microcontroller embedded chip having multiple kinds of anti-electricity walls - Google Patents
Electric appliance shared microcontroller embedded chip having multiple kinds of anti-electricity walls Download PDFInfo
- Publication number
- CN201274404Y CN201274404Y CNU2008201632121U CN200820163212U CN201274404Y CN 201274404 Y CN201274404 Y CN 201274404Y CN U2008201632121 U CNU2008201632121 U CN U2008201632121U CN 200820163212 U CN200820163212 U CN 200820163212U CN 201274404 Y CN201274404 Y CN 201274404Y
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- ground wire
- singlechip
- circuit
- chip
- singlechip chip
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- 238000010438 heat treatment Methods 0.000 claims abstract description 13
- 230000005616 pyroelectricity Effects 0.000 claims abstract description 10
- 239000002131 composite material Substances 0.000 claims description 3
- 229910052710 silicon Inorganic materials 0.000 claims description 3
- 239000010703 silicon Substances 0.000 claims description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 6
- 238000009413 insulation Methods 0.000 abstract description 4
- 238000005485 electric heating Methods 0.000 abstract description 3
- 238000001514 detection method Methods 0.000 abstract 2
- 230000000249 desinfective effect Effects 0.000 abstract 1
- 239000008236 heating water Substances 0.000 abstract 1
- 239000004973 liquid crystal related substance Substances 0.000 abstract 1
- 238000005516 engineering process Methods 0.000 description 3
- 238000005314 correlation function Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000009835 boiling Methods 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000011010 flushing procedure Methods 0.000 description 1
- 230000001012 protector Effects 0.000 description 1
- 238000004659 sterilization and disinfection Methods 0.000 description 1
- 239000008400 supply water Substances 0.000 description 1
- 238000010792 warming Methods 0.000 description 1
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- Control Of Resistance Heating (AREA)
- Central Heating Systems (AREA)
Abstract
The utility model relates to an electric appliance-shared singlechip-embedded chip with a plurality of leakage-proof wall units, which comprises a singlechip chip and a control software. The singlechip-embedded chip has the following characteristics: the input ends of the singlechip chip respectively provide eight types of digital signal and non-digital signal access ports for a potential difference detection unit, a touch switch, an infrared emission and reception unit, a pyroelectricity emission and reception unit, a remote control reception unit, sensors and temperature controllers which are connected between a ground wire and a null wire; and the output ends of the singlechip chip respectively provide ports for a liquid crystal display screen and a terminal control circuit. The utility model has the following advantages: by receiving the output signals of the potential difference detection unit and the other units connected with the singlechip chip and between the ground wire and the null wire when the ground wire and basic insulation fail at the same time, the singlechip-embedded chip can control the executing circuits connected with the singlechip-embedded chip to real-timely cut off the ground wire and the power of a heating unit, and fulfill other control functions of the related electric appliance. The utility model can be shared by various electric appliances such as electric water heaters, shower rooms using electrically heated water supply, flush toilet closestools using electric heating, electric-heating water boilers, disinfecting cabinets and kitchen ventilators.
Description
Technical field
The utility model relates to a kind of microcontroller embedded chip, particularly a kind of electric appliance shared microcontroller embedded chip with 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 receiving connected ground wire E when ground wire and basic insulation lost efficacy simultaneously
INAnd 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 with 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 and digital signal and the nonnumeric signal access port such as touch-switch, infrared and 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.The potential difference detecting device of alleged eight kinds of cross-over connections between ground wire and zero line connected to form successively by reduction voltage circuit, rectification circuit, switching circuit respectively, switching signal when singlechip chip I/O input port provides ground wire electrification, select wherein a kind of use during actual the use, and be connected with the singlechip chip input of appointment; Described 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.The output of singlechip chip connects two group relay executive circuits, and the relay executive circuit is made up of switching tube drive circuit and relay, is serially connected with the in-out end E of ground wire at its normally-closed contact, normally opened contact
IN, E
OUTAnd the in-out end L of heating unit power
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.For the control that is suitable for multiple electrical equipment needs, the input of singlechip chip provides touch-switch respectively, infrared and receiving system, the pyroelectricity transmitting and receiving device, remote-receiver, numeral such as various kinds of sensors and attemperating unit and nonnumeric signal access port, the function of touch-switch is 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, be connected to infrared and receiving system, the pyroelectricity transmitting and receiving device, remote-receiver, when 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 connected ground wire E 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, finish 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.It is applied widely, comprises the shower house that accumulating type electric water heater, instant electric water heater, use electric heater supply water and uses the flushing toilet seat of electric heating warming also to comprise electrothermal water boiling stove, disinfection cabinet and range hood etc.
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 and digital signal and the nonnumeric signal access port such as touch-switch, infrared and 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.The potential difference detecting device of alleged eight kinds of cross-over connections between ground wire and zero line connected to form successively by reduction voltage circuit, rectification circuit, switching circuit respectively, switching signal when singlechip chip I/O input port provides ground wire electrification, select wherein a kind of use during actual the use, and be connected with the singlechip chip input of appointment, described 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.The output of singlechip chip connects two group relay executive circuits, and the relay executive circuit is made up of switching tube drive circuit and relay, is serially connected with the in-out end E of ground wire at its normally-closed contact, normally opened contact
IN, E
OUTAnd the in-out end L of heating unit power
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.For the control that is suitable for multiple electrical equipment needs, the input of singlechip chip provides touch-switch respectively, infrared and receiving system, the pyroelectricity transmitting and receiving device, remote-receiver, numeral such as various kinds of sensors and attemperating unit and nonnumeric signal access port, the function of touch-switch is 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, be connected to infrared and receiving system, the pyroelectricity transmitting and receiving device, remote-receiver, when 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 A/D conversion and two kinds of the 8-bit microcontrollers do not changed with A/D, and its I/O port is no less than 32.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 (6)
1, a kind of electric appliance shared microcontroller embedded chip with 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 and digital signal and the nonnumeric signal access port such as touch-switch, infrared and 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 according to claim 1 with multiple electricity-preventing wall device, it is characterized in that the potential difference detecting device of alleged eight kinds of cross-over connections between ground wire and zero line is respectively by reduction voltage circuit, rectification circuit, switching circuit connects to form successively, switching signal when singlechip chip I/O input port provides ground wire electrification, select wherein a kind of use during actual the use, and be connected with the singlechip chip input of appointment, described switching circuit comprises switching tube, Darlington transistor, integrated operational amplifier circuit, four kinds of single switching circuits that time-base circuit is formed and four kinds of composite switch circuits that form by four kinds of single switching circuits and relay assembly.
3, a kind of electric appliance shared microcontroller embedded chip according to claim 1 with multiple electricity-preventing wall device, the output that it is characterized in that singlechip chip connects two group relay executive circuits, the relay executive circuit is made up of switching tube drive circuit and relay, is serially connected with the in-out end (E of ground wire at its normally-closed contact, normally opened contact
IN, E
OUT) and the in-out end (L of heating unit power
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
2) ground 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
OUTAnd electrical appliance heating unit power (L
IN, L
OUT) connection.
4, a kind of electric appliance shared microcontroller embedded chip according to claim 1 with multiple electricity-preventing wall device, the input that it is characterized in that singlechip chip provides touch-switch respectively, infrared and receiving system, the pyroelectricity transmitting and receiving device, remote-receiver, the numeral of transducer and attemperating unit and nonnumeric signal access port, the function of touch-switch is 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, be connected to infrared and receiving system, the pyroelectricity transmitting and receiving device, remote-receiver, when transducer and attemperating unit, singlechip chip shields the function of touch-switch automatically.
5, a kind of electric appliance shared microcontroller embedded chip according to claim 1 with multiple electricity-preventing wall device, it is characterized in that described terminal control circuit is the switching circuit that control terminal opens and closes, comprise the combination and the controllable silicon of switching tube and relay, terminal equipment refers to motor, electromagnetically operated valve, luminous element, heater and buzzer.
6, a kind of electric appliance shared microcontroller embedded chip with 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 |
|---|---|---|---|
| CNU2008201632121U CN201274404Y (en) | 2008-08-22 | 2008-08-22 | Electric appliance shared microcontroller embedded chip having multiple kinds of anti-electricity walls |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008201632121U CN201274404Y (en) | 2008-08-22 | 2008-08-22 | Electric appliance shared microcontroller embedded chip having multiple kinds of anti-electricity walls |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201274404Y true CN201274404Y (en) | 2009-07-15 |
Family
ID=40884744
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2008201632121U Expired - Fee Related CN201274404Y (en) | 2008-08-22 | 2008-08-22 | Electric appliance shared microcontroller embedded chip having multiple kinds of anti-electricity walls |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201274404Y (en) |
-
2008
- 2008-08-22 CN CNU2008201632121U patent/CN201274404Y/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: 20090715 Termination date: 20100822 |