CN203396863U - In-situ detection circuit for cell of analog circuit device - Google Patents
In-situ detection circuit for cell of analog circuit device Download PDFInfo
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- CN203396863U CN203396863U CN201320439681.2U CN201320439681U CN203396863U CN 203396863 U CN203396863 U CN 203396863U CN 201320439681 U CN201320439681 U CN 201320439681U CN 203396863 U CN203396863 U CN 203396863U
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Abstract
The utility model discloses an in-situ detection circuit for a cell of an analog circuit device, and the detection circuit is characterized in that the detection circuit comprises a pulse generation circuit which is used for generating and outputting a pulse signal; the detection circuit also comprises a cell sampling circuit which is used for collecting the information of the states of the cell according to the pulse signal generated by the pulse generation circuit; the detection circuit also comprises a signal processing circuit which is used for judging whether the cell is in the in-situ state or not according to the information sampled by the cell sampling circuit; and the circuit is simple in structure, is low in cost, and can achieve the in-situ on-line monitoring of the cell.
Description
Technical field
The utility model relates to a kind of battery testing circuit in place, is specifically related to a kind of to the circuit detecting whether in place of the battery in pure mimic channel equipment.
Background technology
In the electronic equipment with charge function, conventionally whether in placely need to detect also real-time monitoring battery, the power supply that adopts digit chip to control, can turn-off charge circuit by timing, then detecting battery port has no-voltage to judge that whether battery is in place, but in the power supply of pure mimic channel, this method is impracticable.
Utility model content
The purpose of this utility model is to be directed to the problem that the battery in mimic channel equipment in prior art can not be realized detection in place, a kind of battery for mimic channel equipment testing circuit in place is proposed, this circuit structure is simple, cost is low, and can realize the Real-Time Monitoring whether in place to battery.
To achieve these goals, the technical solution adopted in the utility model is as follows:
A battery testing circuit in place for mimic channel equipment, comprising:
Pulse generating circuit, in order to produce and output pulse signal;
Battery sampling circuit, in order to the pulse signal acquisition battery status information producing according to pulse generating circuit;
Signal processing circuit, judges that in order to the information gathering according to battery sampling circuit whether battery is in state in place.
Described pulse generating circuit is comprised of integrated circuit U1 and peripheral circuit; Described peripheral circuit comprises the I winding of capacitor C 2 and transformer T1; The output terminal of described integrated circuit U1 is connected with the I winding of transformer T1 through capacitor C 2, and the signal of the I winding output of transformer T1 transfers to respectively battery sampling circuit and signal processing circuit.
Described integrated circuit U1 is NE555 time-base integrated circuit.
Described battery sampling circuit comprises the II winding of accumulator BAT, capacitor C 4 and transformer T1; The positive pole of described capacitor C 4 is connected with the anodal BAT+ of accumulator BAT, and the negative pole of capacitor C 4 is connected through the II winding of transformer T1 and the negative pole BAT-of accumulator BAT; The II winding of described transformer T1 is connected with the I winding of transformer T1.
Described signal processing circuit comprises the III winding of resistance R 2, capacitor C 1, diode D1, D2 and transformer T1; The input end of the III winding of described transformer T1 is connected with the output terminal of the I winding of transformer T1, and output terminal and diode D1 are connected in series; The negative electrode of diode D1 is connected in parallel with diode D2, capacitor C 1 and resistance R 2 respectively; Described diode D2, capacitor C 1 and resistance R 2 are connected in parallel.
Whether in sum, the testing circuit in place of the battery for mimic channel equipment that the utility model provides is simple in structure, and cost is low, and can Real-Time Monitoring battery in place.
Accompanying drawing explanation
Fig. 1 is circuit diagram of the present utility model.
Embodiment
Below in conjunction with specific embodiment, embodiment of the present utility model is described in detail:
As shown in Figure 1, should comprise pulse generating circuit, battery sampling circuit and signal processing circuit for the battery testing circuit in place of mimic channel equipment; Wherein, pulse generating circuit is comprised of NE555 time-base integrated circuit and peripheral circuit; Wherein, peripheral circuit comprises the I winding of resistance R 1, R3, R4, capacitor C 2, C5, C6 and transformer T1; Resistance R 1, R3 and capacitor C 6 are connected in series, and are connected in parallel with capacitor C 5; Capacitor C 2 is connected in series through the I of transformer T1 winding and resistance R 4; 1 pin ground connection of NE555 time-base integrated circuit, 8 pin connect power supply, and 3 foot meridian capacitor C2 are connected with the I winding of transformer T1; The I winding of transformer T1 transfers to battery sampling circuit and signal processing circuit by the II winding of transformer T1 and the III winding of transformer T1 by pulse signal respectively.
Battery sampling circuit comprises the II winding of accumulator BAT, capacitor C 4 and transformer T1; The positive pole of capacitor C 4 is connected with the anodal BAT+ of accumulator BAT, and the negative pole of capacitor C 4 is connected through the II winding of transformer T1 and the negative pole BAT-of accumulator BAT; The II winding of transformer T1 is connected with the I winding of transformer T1.
Signal processing circuit comprises the III winding of resistance R 2, capacitor C 1, diode D1, D2 and transformer T1; The input end of the III winding of transformer T1 is connected with the output terminal of the I winding of transformer T1, and output terminal and diode D1 are connected in series; The negative electrode of diode D1 is connected in parallel with diode D2, capacitor C 1 and resistance R 2 respectively; Diode D2, capacitor C 1 and resistance R 2 are connected in parallel.
Below battery of the present utility model testing circuit in place is described in detail the observation process of the state of the battery of mimic channel equipment:
After power supply electrifying, the vibration of NE555 time-base integrated circuit produces the pulse signal of certain frequency, through capacitor C 2, deliver to the I winding of transformer T1, now, if battery is in place, the II winding of the transformer T1 joining with battery can be made three windings of transformer T1 all by short circuit by battery short circuit, and test side CTL is electronegative potential; If do not have battery or battery to come off midway, the II winding of the transformer T1 being connected with battery is open-circuit condition, now under the pulse signal of NE555 time-base integrated circuit drives, the III winding of transformer T1 will be exported a pulse signal, through diode D1, D2 rectification, after capacitor C 1 filtering, in resistance R 2, obtain the CTL signal of noble potential, CTL signal is sent to monitoring or warning circuit again, can judge that whether battery is in place.
Although in conjunction with specific embodiments embodiment of the present utility model is described in detail, it is not the restriction to this patent protection domain.In claims limited range, the various modifications that those skilled in the art can make without creative work or adjustment are still subject to the protection of this patent.
Claims (5)
1. for the battery testing circuit in place of mimic channel equipment, it is characterized in that, comprising:
In order to produce and the pulse generating circuit of output pulse signal, to judge the whether signal processing circuit in state in place of battery in order to the battery sampling circuit of the pulse signal acquisition battery status information that produces according to pulse generating circuit and in order to the information gathering according to battery sampling circuit.
2. the battery for mimic channel equipment according to claim 1 testing circuit in place, is characterized in that: described pulse generating circuit is comprised of integrated circuit U1 and peripheral circuit; Described peripheral circuit comprises the I winding of capacitor C 2 and transformer T1; The output terminal of described integrated circuit U1 is connected with the I winding of transformer T1 through capacitor C 2, and the signal of the I winding output of transformer T1 transfers to respectively battery sampling circuit and signal processing circuit.
3. the battery for mimic channel equipment according to claim 2 testing circuit in place, is characterized in that: described integrated circuit U1 is NE555 time-base integrated circuit.
4. the battery for mimic channel equipment according to claim 1 testing circuit in place, is characterized in that: described battery sampling circuit comprises the II winding of accumulator BAT, capacitor C 4 and transformer T1; The positive pole of described capacitor C 4 is connected with the anodal BAT+ of accumulator BAT, and the negative pole of capacitor C 4 is connected through the II winding of transformer T1 and the negative pole BAT-of accumulator BAT; The II winding of described transformer T1 is connected with the I winding of transformer T1.
5. the battery for mimic channel equipment according to claim 1 testing circuit in place, is characterized in that: described signal processing circuit comprises the III winding of resistance R 2, capacitor C 1, diode D1, D2 and transformer T1; The input end of the III winding of described transformer T1 is connected with the output terminal of the I winding of transformer T1, and output terminal and diode D1 are connected in series; The negative electrode of diode D1 is connected in parallel with diode D2, capacitor C 1 and resistance R 2 respectively; Described diode D2, capacitor C 1 and resistance R 2 are connected in parallel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320439681.2U CN203396863U (en) | 2013-07-23 | 2013-07-23 | In-situ detection circuit for cell of analog circuit device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320439681.2U CN203396863U (en) | 2013-07-23 | 2013-07-23 | In-situ detection circuit for cell of analog circuit device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203396863U true CN203396863U (en) | 2014-01-15 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320439681.2U Expired - Lifetime CN203396863U (en) | 2013-07-23 | 2013-07-23 | In-situ detection circuit for cell of analog circuit device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203396863U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103353566A (en) * | 2013-07-23 | 2013-10-16 | 成都四威航空电源有限公司 | Cell in-place detection circuit for simulation circuit apparatus |
-
2013
- 2013-07-23 CN CN201320439681.2U patent/CN203396863U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103353566A (en) * | 2013-07-23 | 2013-10-16 | 成都四威航空电源有限公司 | Cell in-place detection circuit for simulation circuit apparatus |
| CN103353566B (en) * | 2013-07-23 | 2015-12-09 | 成都四威功率电子科技有限公司 | Battery for mimic channel equipment testing circuit in place |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee |
Owner name: CHENGDU SIWI POWER ELECTRONICS TECHNOLOGY CO., LTD Free format text: FORMER NAME: CHENGDU SIWI AVIATION POWER SUPPLY CO., LTD. |
|
| CP01 | Change in the name or title of a patent holder |
Address after: 3, No. 1, building 1, building 35, 610091 west slope Su Road, Chengdu, Sichuan Patentee after: CHENGDU SIWI POWER ELECTRONIC TECHNOLOGY Co.,Ltd. Address before: 3, No. 1, building 1, building 35, 610091 west slope Su Road, Chengdu, Sichuan Patentee before: CHENGDU SIWI AVIATIC POWER SUPPLY Co.,Ltd. |
|
| CX01 | Expiry of patent term |
Granted publication date: 20140115 |
|
| CX01 | Expiry of patent term |