CN2416550Y - Automatic timer for electric appliance use - Google Patents
Automatic timer for electric appliance use Download PDFInfo
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- CN2416550Y CN2416550Y CN 00207137 CN00207137U CN2416550Y CN 2416550 Y CN2416550 Y CN 2416550Y CN 00207137 CN00207137 CN 00207137 CN 00207137 U CN00207137 U CN 00207137U CN 2416550 Y CN2416550 Y CN 2416550Y
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Abstract
The utility model relates to an automatic timer which can accumulate the service life of electric appliances. The automatic timer is connected between electric network power supply and an electric appliance. The automatic timer comprises an electric current detecting unit, a main controlling and timing unit, a storing unit, an inputting and outputting unit, and a power supply unit. When the electric appliance is used, energy is obtained from the electric network power supply, and the automatic timer is started up to accumulate the service life of the electric appliance. When the electric appliance is not used, the cumulative service life of the electric appliance is stored by the automatic timer. Even when the power supply is cut off, the data can not be lost, and data can be read from and input into the automatic timer at any time when necessary.
Description
The utility model relates to a kind of autotimer that can carry out accumulative total to electrical equipment service time.
Popularizing of household electrical appliance proposed new requirement to the after sale service of electrical equipment manufacturer.In service, the attendant often needs to understand user's the purchase date, the accumulative total working time, carries out corresponding service item according to the operating position of household electrical appliance, phenomenon of the failure etc.And the accumulative total working time of its electrical equipment between specific environment, given period also is the significant data that electrical equipment manufacturer carries out quality analysis.The data of the owning amount of electrical equipment and service time also are important data concerning research firm in the family, and the result of investigation will be for providing reliable decision-making foundation to the interested company of these data, and is like that.Use autotimer for each electrical equipment installs or be equipped with an electrical equipment additional, can reach and drop into seldom, obtain the purpose of actual effect.
The utility model utilizes the Modern microprocessor technology, uses autotimer to be connected between electric network source and the electrical appliance in electrical equipment, according to the operating position of electrical equipment, carries out timing judgement and timing accumulative total automatically, and data can be stored and exported.The utility model is separate with appliance circuit on circuit, do not influence the normal use of electrical equipment, both can make the electric appliance built-in formula, also can make the outer formula of joining, and can make according to different requirements, as the data memory in the autotimer or autotimer integral body being made the device of the black box type of fire prevention, waterproof, be that important data are preserved in the use of electrical equipment.
Fig. 1 is a circuit block diagram of the present utility model;
Fig. 2 is the electric principle schematic of the utility model embodiment.
Referring to Fig. 1, the utility model is made of following each several part circuit unit.
Current detecting unit 1: the operating position to electrical equipment detects.Its input end is connected on the power lead between electric network source and the electrical appliance, and output terminal is connected to master control and timing unit 2.When electrical equipment used, to electric power supply, when current detecting unit used electrical equipment, the changing condition of electric current detected electric network source on the power lead, and detected signal is sent into master control and timing unit by power lead.
Master control and timing unit 2: the detection signal that provides according to current detecting unit 1 and the control signal of input-output unit 5, carry out operations such as timing, accumulative total, data storage and output.It links to each other with input-output unit 5, according to the signal of input-output unit 5, carries out data modification and output; Link to each other with current detecting unit 1, the current detection signal that received current detecting unit 1 is sent here carries out timing and accumulative total; Link to each other with storage unit 3, can carry out accessing operation the data in the storage unit 3; Link to each other with display unit 4, can export display unit to handled data.
Storage unit 3: chronometric data and from date data are stored.It links to each other with timing unit 2 with master control, accepts the accessing operation of master control and 2 pairs of data of timing unit, and assurance power down data are not lost.
Display unit 4: the data that receive are shown.It links to each other with timing unit 2 with master control, accepts the data sent here from master control and timing unit 2, and these data are shown.
Input-output unit 5: insert the external control data and to the external tapping output data.It links to each other with timing unit 2 with master control, the outside input control data that receives is exported to master control and timing unit 2, and the output data of master control and timing unit 2 is led to external equipment.
Power supply unit 6: for each circuit unit provides power supply.
The course of work of the present utility model is described below.
After powering on, after master control and timing unit 2 initialization, enter monitored state, state to current detecting unit 1 and input-output unit 5 monitors, there is not simultaneously the situation that master control and timing unit 2 is changed input states because of both, after so only needing to judge signal input, both repelled the input of another signal;
When electrical equipment on being connected in same power lead uses, occur electric current on the power lead and flow, after current detecting unit 1 detects electric current on the power supply and changes, a level signal is sent into master control and timing unit 2, for master control and timing unit 2 provide enabling signal;
After master control and timing unit 2 detect the level signal that current detecting unit 1 sends here, start timing circuit immediately, enter time status, and constantly the legacy data that reads in timing result and the storage unit 3 is added up, send storage in the storer 3 again back to;
When master control and timing unit 2 carried out timing, accumulation process, master control and timing unit 2 were also sent into data result display unit 4;
When electrical equipment is stopped using, the current vanishes on the power lead, current detecting unit 1 overturns original level signal, outputs to master control and timing unit 2;
After master control and timing unit 2 detect the level signal upset of current detecting unit 1, stop timing circuit immediately, and last chronometric data is deposited in the storage unit 3, stop to the new data result of display unit 4 outputs, master control and timing unit 2 finish time status, get back to monitored state.
When monitored state, after if master control and timing unit 2 detect the signal of input state change of input-output unit 5, just enter treatment state, control data according to the outside, data processing such as the outside input of finishing data receives, the data setting of storage unit 3, data dump, data output are till the input state that master control and timing unit detect input-output unit 5 is got back to initial state.
Below in conjunction with Fig. 2,, can more clearly understand thought of the present utility model by to the further describing of the utility model embodiment.
The current detection circuit of current detecting unit 1 is made of T11, D11～D14 and C11, R11, R12, and transformer T11 is serially connected between the power lead of electric network source and appliance chamber.When electrical equipment used, the electric current generation transition of the T11 that flows through after D11～D14 reversal, became DC voltage, is added on the R12 after the R1 dividing potential drop, and C11 then carries out filtering to this current detecting DC voltage.The T11 pressure drop that seals on the power lead is defined as 2V, the turn ratio of T11 is decided to be 1: 2, can guarantee that then sealing in of T11 do not influence the normal use of electrical equipment, the voltage output on the R12 can guarantee that master control and timing unit 2 can accurately differentiate.
The circuit core of master control and timing unit 2 adopts microprocessor IC.Requirement of the present utility model is simply clear and definite, selects for use this subminiature single-chip microcomputer of PIC12C508 (509) to realize.In the present embodiment, it is designed to built-in RL vibration and built-in reset mode, has saved a lot of outward elements.
4 pin of master control and timing chip IC 1 are connected to current detecting unit 1 as the current detection voltage input pin of current detecting unit 1.2,3 pin of IC1 connect data line SDA and clock line SCL respectively as the I2C bus, and 5 pin of IC1 are as timing/processing selecting input end, and when 5 pin of IC1 connect low level, IC1 was operated in timing mode; When 5 pin of IC1 connect high level, IC1 was operated in processing mode, can receive the external control data from the I2C bus, finished the setting storage of supplemental characteristic.6, the 7 pin conduct of IC1 and the serial line interface of display unit 4.
Storage unit 3 is selected electrically-erasable storer EEPROM, and its data connected mode is I
2The C bus type can be stored primary data and cumulative data.Storage chip IC2 directly and the I of master control and timing unit 1
2The C bus links to each other, and accepts reading and storage operation of master control and 1 pair of data of timing chip IC.Display unit 3 has selected for use serial liquid commonly used to show chip for driving, can drive 8 (or 10) digital lcd display screens.Wherein, with 1 as year digital display show that 3 show as fate, 2 conducts hour show, 2 as at interval, selects 8 liquid-display screens just enough; When selecting 10 liquid-display screens for use, can with 2 as year digital display show that 3 show as fate, 2 conducts hour show, 2 as at interval, 1 shows as special sign.
Because it is lower that liquid shows the operating voltage of chip for driving IC3, for cooperating with the video data level of timing chip IC 1 with master control, increased resistance R 41, R42, R43, R44.15 pin of IC3,16 pin link to each other with 7 pin and 6 pin of IC1 through R41, R43 and R42, R44 respectively, and the video data driving back that IC1 is sent here shows on display screen.
Insert the 5th pin of IC1 behind the mid point series resistor R21 of the selector switch S1 of input-output unit 5.S1 is as the selector switch of timing/processing, and when S1 neutral earthing, notice IC1 carries out the timework mode; The S1 mid point connects+and during 5V, notice IC1 enters the work of treatment mode.
Direct and the I of IO interface P1
2The C bus links to each other.When IC1 is operated in the timework mode, can directly obtain the transmission data between IC1 and IC2 from the P1; When IC1 is operated in the work of treatment mode, primary data can be inserted among the IC2 by P1, the data that also can call among the IC2 are made amendment etc.
Power supply unit 6 is obtained energy from electric network source, carries out ac/dc (AC/DC) conversion, provide+the 5V direct current is that each element circuit uses.
After electrical equipment used autotimer to power on, IC1 entered original state, and it enters the corresponding work mode according to the point midway of S1.When S1 ground connection, IC1 enters the timework mode, waits for the rising of the current detection voltage on the R12;
When electrical equipment uses, alternating current appears on the power supply line, pick up through T11, finish reversal by D11～D14, C11 filtering after R11, the R12 dividing potential drop, inserts current detection voltage on the 4th pin of IC1;
The voltage that IC1 detects on the 4th pin rises, start internal timer and carry out timing, after arriving time-count cycle, call the former accumulative total among the IC2, carrying out new accumulative total calculates, and this numerical value is scaled hourage, fate, year number etc., this number is sent into stored among the IC2 again, and in time-count cycle, constantly cumulative data is delivered to IC3 and show;
A count cycle finishes, if electrical equipment still in use, then start the next count cycle automatically, repeat aforesaid operations, stop using until electrical equipment, current detection voltage on IC1 the 4th pin occurs jumping, and IC1 finishes time-count cycle to be waited for next time because of electrical equipment uses, and makes that voltage jump occurs once more on IC1 the 4th pin.
During timework, be connected on external unit on the P1 and can directly obtain transmission data between IC1 and IC2.
At the IC1 loitering phase, IC1 find the S1 that the 5th pin links to each other receive+during 5V, enter the work of treatment mode.Under the work of treatment mode, IC1 will accept from I
2The instruction that the C bus transmits is as the change of parameter.The external unit that inserts P1 can read the data among the IC2 and rewrite, and IC1 is sent steering order etc., end process working method after S1 receives low level.
By an embodiment of the present utility model is described, can be well understood to formation of the present utility model.When implementing the utility model, can select different circuit structures to constitute functional unit of the present utility model, can select through mode current detecting device as current detecting unit, master control and timing chip IC 1 are selected the single-chip microcomputer of other models, storage chip IC2 selects the eeprom memory of other models etc., in force, also can strengthen or the cancellation display unit as required.These all can not make the purpose of this utility model and unit constitute and change.
Claims (4)
1, a kind of electrical equipment uses autotimer, be connected between electric network source and the electrical appliance, it is characterized in that it comprises current detecting unit, master control and timing unit, storage unit, input-output unit, power supply unit, current detecting unit 1: its input end is connected on the power lead between electric network source and the electrical appliance, and output terminal is connected to master control and timing unit 2; Master control and timing unit 2: it links to each other with input-output unit 5, current detecting unit 1, storage unit 3 respectively; Storage unit 3: it links to each other with timing unit 2 with master control; Input-output unit 5: it links to each other with timing unit 2 with master control.
2, electrical equipment according to claim 1 uses autotimer, and it is characterized in that also comprising display unit 4: it links to each other with timing unit 2 with master control.
3, electrical equipment according to claim 1 uses autotimer, it is characterized in that timer can be made the electric appliance built-in formula or join formula outward.
4, electrical equipment according to claim 1 uses autotimer, it is characterized in that the device of the black box type that data memory in the autotimer or autotimer integral body are made fire prevention, waterproof.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 00207137 CN2416550Y (en) | 2000-03-21 | 2000-03-21 | Automatic timer for electric appliance use |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 00207137 CN2416550Y (en) | 2000-03-21 | 2000-03-21 | Automatic timer for electric appliance use |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2416550Y true CN2416550Y (en) | 2001-01-24 |
Family
ID=33574888
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 00207137 Expired - Fee Related CN2416550Y (en) | 2000-03-21 | 2000-03-21 | Automatic timer for electric appliance use |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2416550Y (en) |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100419709C (en) * | 2005-09-30 | 2008-09-17 | 联想(北京)有限公司 | System and method for counting use time |
| CN102135756A (en) * | 2009-11-26 | 2011-07-27 | 精工电子有限公司 | Voltage application time period measuring circuit and power supply apparatus including the same |
| CN104360933A (en) * | 2014-11-25 | 2015-02-18 | 绵阳市维博电子有限责任公司 | Device for recording accumulated power-on time of board card |
| CN104577804A (en) * | 2015-01-23 | 2015-04-29 | 安徽工程大学 | Intelligent distribution box and control method of intelligent distribution box |
| CN105430588A (en) * | 2015-11-02 | 2016-03-23 | 广东欧珀移动通信有限公司 | Electroacoustic device using time calculation method and device and mobile terminal |
| CN108227466A (en) * | 2018-03-08 | 2018-06-29 | 韦广用 | Electronics date manager |
| CN110716416A (en) * | 2019-10-30 | 2020-01-21 | 中国空空导弹研究院 | Connector type power-on timing device and power-on timing method |
| CN111487856A (en) * | 2019-01-29 | 2020-08-04 | 中山市君创电子科技有限公司 | Zero-crossing timer in electric appliance |
| CN113256303A (en) * | 2021-05-13 | 2021-08-13 | 深圳职业技术学院 | System capable of counting service time of household appliances |
-
2000
- 2000-03-21 CN CN 00207137 patent/CN2416550Y/en not_active Expired - Fee Related
Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100419709C (en) * | 2005-09-30 | 2008-09-17 | 联想(北京)有限公司 | System and method for counting use time |
| CN102135756A (en) * | 2009-11-26 | 2011-07-27 | 精工电子有限公司 | Voltage application time period measuring circuit and power supply apparatus including the same |
| CN104360933A (en) * | 2014-11-25 | 2015-02-18 | 绵阳市维博电子有限责任公司 | Device for recording accumulated power-on time of board card |
| CN104360933B (en) * | 2014-11-25 | 2018-04-24 | 绵阳市维博电子有限责任公司 | A kind of device for recording board and adding up power-on time |
| CN104577804A (en) * | 2015-01-23 | 2015-04-29 | 安徽工程大学 | Intelligent distribution box and control method of intelligent distribution box |
| CN104577804B (en) * | 2015-01-23 | 2017-04-26 | 安徽工程大学 | Intelligent distribution box and control method of intelligent distribution box |
| CN105430588A (en) * | 2015-11-02 | 2016-03-23 | 广东欧珀移动通信有限公司 | Electroacoustic device using time calculation method and device and mobile terminal |
| CN108227466A (en) * | 2018-03-08 | 2018-06-29 | 韦广用 | Electronics date manager |
| CN111487856A (en) * | 2019-01-29 | 2020-08-04 | 中山市君创电子科技有限公司 | Zero-crossing timer in electric appliance |
| CN110716416A (en) * | 2019-10-30 | 2020-01-21 | 中国空空导弹研究院 | Connector type power-on timing device and power-on timing method |
| CN110716416B (en) * | 2019-10-30 | 2021-05-07 | 中国空空导弹研究院 | Connector type power-on timing device and power-on timing method |
| CN113256303A (en) * | 2021-05-13 | 2021-08-13 | 深圳职业技术学院 | System capable of counting service time of household appliances |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: XIAMEN OVERSEAS CHINESE ELECTRONIC ENTERPRISE CO. Free format text: FORMER OWNER: HUAQIAO ELECTRONIC ENTERPRISE CO., LTD., XIAMEN Effective date: 20070119 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20070119 Address after: 361006, Huang Hongtao, 22 Huli Avenue, Fujian, Xiamen Patentee after: Xiamen Overseas Chinese Electronic Co., Ltd. Address before: 361006, Huang Hongtao, 22 Huli Avenue, Fujian, Xiamen Patentee before: Xiamen Huaqiao Electronic Enterprise Co., Ltd. |
|
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20010124 |