CN207652074U - More power supply electronic alarm clocks - Google Patents
More power supply electronic alarm clocks Download PDFInfo
- Publication number
- CN207652074U CN207652074U CN201721533906.5U CN201721533906U CN207652074U CN 207652074 U CN207652074 U CN 207652074U CN 201721533906 U CN201721533906 U CN 201721533906U CN 207652074 U CN207652074 U CN 207652074U
- Authority
- CN
- China
- Prior art keywords
- power supply
- circuit
- rechargeable battery
- detection module
- dry cell
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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Abstract
The utility model provides a kind of more power supply electronic alarm clocks, including power supply, voltage detection module, current detection module and controller, power supply includes rechargeable battery and dry cell, rechargeable battery connects charging circuit and the rechargeable battery powered circuit to alarm clock power supply, dry cell connects the dry cell power supply circuit powered to alarm clock, charging circuit, rechargeable battery powered circuit and dry cell power supply circuit are respectively provided with the electronic switch of control circuit break-make, the electronic switch of rechargeable battery powered circuit is in parallel with concatenated alarm module and another electronic switch, rechargeable battery is in parallel with voltage detection module, dry cell power supply circuit is connected with current detection module, the control terminal of electronic switch, and the signal output end of voltage detection module and current detection module is connected respectively to controller.The utility model multiple feed, it is the case where avoiding the occurrence of no suitable power source, easy to use.
Description
Technical field
The utility model is related to novel alarm clock more particularly to a kind of more power supply electronic alarm clocks.
Background technology
Existing alarm clock product has the electronic alarm clock of various power supply modes, but they are single powering mode, and such as charge electricity
Pond power supply, the power supply of carbon battery powered, alkaline battery.And lack reminding of battery electric quantity device mostly, often user has found
When, alarm clock automatic shutdown due to not enough power supply needs after charging or replacing battery, turns back on, prover time, setting quarter-bell
It is time, inconvenient for use.
Utility model content
In order to overcome existing alarm clock product, single powering mode, it is inconvenient for use the shortcomings of, the utility model provides one
The more power supply electronic alarm clocks of kind.
To solve the above-mentioned problems, its technical solution is that：
A kind of more power supply electronic alarm clocks, including power supply, voltage detection module, current detection module and controller, the electricity
Source includes rechargeable battery and dry cell, rechargeable battery powered electricity rechargeable battery connection charging circuit and powered to alarm clock
Road, the dry cell connect the dry cell power supply circuit powered to alarm clock, the charging circuit, rechargeable battery powered circuit and dry
Battery feed circuit is respectively provided with the electronic switch of control circuit break-make, and the rechargeable battery and the voltage detection module are simultaneously
Connection, the dry cell power supply circuit are connected with the current detection module, the control terminal and voltage detecting of the electronic switch
The signal output end of module and current detection module is connected respectively to the controller.
In above-mentioned more power supply electronic alarm clocks, in order to solve the problems, such as low battery without prompting, the rechargeable battery powered electricity
The electronic switch on road is in parallel with concatenated alarm module and another electronic switch.
In above-mentioned more power supply electronic alarm clocks, the alarm module is LED, and the anode of the LED connects the rechargeable battery
Anode.
In above-mentioned more power supply electronic alarm clocks, in order to use alkaline battery and use carbon battery, the dry electricity
Pond power supply circuit includes current regulating module, and the control terminal of the current regulating module is connected to the controller.
The utility model has the beneficial effects that multiple feed, the case where avoiding the occurrence of no suitable power source, and there is electricity
Reminding alarm module avoids the occurrence of the case where not enough power supply alarm clock is closed, easy to use.
Description of the drawings
Fig. 1 is the control logic schematic diagram of each function module of the utility model.
Fig. 2 is a kind of circuit topology figure of embodiment of the utility model.
Specific implementation mode
Utility model will be further described in detail below with reference to the attached drawings and specific embodiments.
A kind of more power supply electronic alarm clocks, including power supply, voltage detection module, current detection module and controller, the electricity
Source includes rechargeable battery and dry cell, rechargeable battery powered electricity rechargeable battery connection charging circuit and powered to alarm clock
Road, the dry cell connect the dry cell power supply circuit powered to alarm clock, the charging circuit, rechargeable battery powered circuit and dry
Battery feed circuit is respectively provided with the electronic switch of control circuit break-make, and the rechargeable battery and the voltage detection module are simultaneously
Connection, the dry cell power supply circuit are connected with the current detection module, the control terminal and voltage detecting of the electronic switch
The signal output end of module and current detection module is connected respectively to the controller.
As shown in Figure 1, the voltage of voltage detection module detection rechargeable battery, can determine whether rechargeable battery electricity by voltage levels
Whether amount is sufficient；Current detection module detects the available electric current of dry cell in battery case, can determine whether battery by current conditions
Carbon or alkaline battery are filled in box.
Each circuit default state is set as disconnecting, and the led default settings as alarm module are set as extinguishing, i.e., in voltage
Before detection module does not judge, gives tacit consent to each circuit and disconnect, led extinguishes.
Voltage is higher than certain value, judges electric quantity of rechargeable battery abundance；Conversely, electric quantity of rechargeable battery is insufficient.Electric current is more than one
Definite value judges to be filled in battery case as alkaline battery；Otherwise, it is carbon battery.
In the case of electric quantity of rechargeable battery abundance, rechargeable battery is selected to power to alarm clock.In the case of electric quantity of rechargeable battery deficiency,
Led is lighted, electric current judgement is carried out, electric current then selects greatly alkaline battery power supply circuit, and electric current is small, selects carbon battery powered electric
Road.
SCM system can be used in controller.The above voltage, current detection module can by mcu programming combine switch or
Relay realizes that alarm module is then made of light emitting diode, and alkaline battery power supply circuit only need to be than carbon battery feed circuit
More shunt resistance branches, simple possible.
A kind of circuit topology figure of embodiment as shown in Figure 2, the alternating current that AC is connected by attaching plug（Single-phase 220V is handed over
Galvanic electricity）, powered to circuit other parts by the suitable step-down transformer T of no-load voltage ratio, r, E are rechargeable battery equivalent model, and DC is
Dry cell in battery case（Carbon battery or alkaline battery）Equivalent model, digital regulation resistance R is as current regulating module, the ends ab
The control circuit of mouth connection alarm clock.
Rechargeable battery charging circuit includes rectifier diode VD1, VD2, VD3, VD4, inductance L1, electronic switch S4；Two poles
Pipe VD1, VD2, VD3, VD4 constitute one group of individual event bridge-type can not control rectifying circuit, step-down transformer T secondary side alternating voltages
Be converted to direct current to rechargeable battery charging circuit power, L1 act as maintain DC current it is constant.
Rechargeable battery powered circuit includes electronic switch S3.
Electric quantity detecting circuit includes voltage detection module V1, current detection module A1.
Dry cell power supply circuit includes inductance L2, electronic switch S1, digital regulation resistance R；The wherein same L1 of the effect of L2, R's
It act as changing resistance value, adjusting circuit size of current, to meet the requirement of carbon battery, alkaline battery according to control signal.
Controller uses SCM system, is the core of entire circuit, and the ends pin a1, a4, a5, a6, a8 are output, point
Not Kong Zhi the break-make of electronic switch S4, S1, S2, S3 and the resistance value of variable resistance R, the ends pin a3, a7 be input, detect A1 respectively
Electric current and V1 points voltage.
Step-down transformer T secondary sides one end connects rectifier diode VD1 anodes, rectifier diode VD3 cathode, downconverter
The device T secondary side other ends connect rectifier diode VD2 anodes, rectifier diode VD4 cathode, rectifier diode VD1 and VD2 cathode
Rechargeable battery E anodes are connected to by inductance L1, rectifier diode VD3, VD4 anode pass through electronic switch S4 connection rechargeable batteries
E cathode, the control terminal connection microcontroller pin a1 of electronic switch S4.
Battery case DC anodes are connected to a terminals by inductance L2, variable resistance R, and battery case DC cathode are connected to b terminals.
Rechargeable battery E anodes are connected to a terminals, the connection of rechargeable battery E cathode by electronic switch S3, digital regulation resistance R
To b terminals, electronic switch S3 control terminals connect microcontroller pin a6.
The control terminal of digital regulation resistance R is connected to microcontroller pin a8.
Current detection module A1 input terminals are serially connected in battery case power supply circuit, and output end connects microcontroller pin a3.
Voltage detection module V1 input terminals connect the both ends rechargeable battery E, and output end connects microcontroller pin a7.
In foregoing circuit, it can also increase electricity alert circuit, electronic switch S3 parallel connection electronic switch S2, electronic switch S2
Connect light emitting diode led, and light emitting diode led anodes connect rechargeable battery E anodes, the control terminal of electronic switch S2, S3
It is separately connected microcontroller pin a5, a6.
By realizing that the control to circuit, a kind of working method of circuit should be to mcu programming：V1 voltages be more than etc.
In the rated voltage 80% of E, S3 is closed, and S1, S2, S4 are disconnected, and V1 voltages are less than the rated voltage 80% of E and A1 electric currents are less than
0.001mA, S2 are closed, and S1, S3, S4 are disconnected, and V1 voltages are less than the rated voltage 80% of E and A1 electric currents are less than more than 0.01mA etc.
In rated current, S1, S4 are closed, and S2, S3 are disconnected, and keep R resistance values constant, rated voltage 80% of the V1 voltages less than E and A1 electricity
Stream is more than rated current, and S1, S4 are closed, and S2, S3 are disconnected, and increase R resistance values.
Claims (4)
1. a kind of more power supply electronic alarm clocks, which is characterized in that including power supply, voltage detection module, current detection module and control
Device, the power supply include rechargeable battery and dry cell, and the rechargeable battery connection charging circuit and the charging powered to alarm clock are electric
Pond power supply circuit, the dry cell connect the dry cell power supply circuit powered to alarm clock, the charging circuit, rechargeable battery powered
Circuit and dry cell power supply circuit are respectively provided with the electronic switch of control circuit break-make, the rechargeable battery and the voltage detecting
Wired in parallel, the dry cell power supply circuit are connected with the current detection module, the control terminal of the electronic switch, Yi Ji electricity
The signal output end of pressure detection module and current detection module is connected respectively to the controller.
2. more power supply electronic alarm clocks according to claim 1, which is characterized in that the electronics of the rechargeable battery powered circuit
Switch is in parallel with concatenated alarm module and another electronic switch.
3. more power supply electronic alarm clocks according to claim 2, which is characterized in that the alarm module is LED, the LED's
Anode connects the rechargeable battery anode.
4. more power supply electronic alarm clocks according to claim 1 or 2 or 3, which is characterized in that the dry cell power supply circuit packet
Current regulating module is included, the control terminal of the current regulating module is connected to the controller.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721533906.5U CN207652074U (en) | 2017-11-16 | 2017-11-16 | More power supply electronic alarm clocks |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721533906.5U CN207652074U (en) | 2017-11-16 | 2017-11-16 | More power supply electronic alarm clocks |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207652074U true CN207652074U (en) | 2018-07-24 |
Family
ID=62890021
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721533906.5U Expired - Fee Related CN207652074U (en) | 2017-11-16 | 2017-11-16 | More power supply electronic alarm clocks |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207652074U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112421747A (en) * | 2020-12-04 | 2021-02-26 | 安徽信息工程学院 | Automatic clock that charges |
-
2017
- 2017-11-16 CN CN201721533906.5U patent/CN207652074U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112421747A (en) * | 2020-12-04 | 2021-02-26 | 安徽信息工程学院 | Automatic clock that charges |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| 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: 20180724 Termination date: 20201116 |