CN203037787U - Battery-voltage sampling-wire breakage detecting circuit - Google Patents
Battery-voltage sampling-wire breakage detecting circuit Download PDFInfo
- Publication number
- CN203037787U CN203037787U CN 201220695085 CN201220695085U CN203037787U CN 203037787 U CN203037787 U CN 203037787U CN 201220695085 CN201220695085 CN 201220695085 CN 201220695085 U CN201220695085 U CN 201220695085U CN 203037787 U CN203037787 U CN 203037787U
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- voltage sampling
- circuit
- battery voltage
- sampling line
- detecting
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Abstract
The utility model discloses a battery-voltage sampling-wire breakage detecting circuit, comprising an energy storage circuit, a constant-current source circuit discharging for the energy storage circuit, and a controller for controlling the constant-current source circuit, wherein the energy storage circuit comprises at least one of an energy storage capacitor and an energy storage inductor. According to the battery-voltage sampling-wire breakage detecting circuit provided by the utility model, sampling precision and stability can be guaranteed by the energy storage circuit; discharging to the energy storage component in the energy storage circuit is carried out by means of the constant-current source circuit before sampling, so that whether the battery-voltage sampling wire is broken can be rapidly determined.
Description
Technical field
The utility model relates to battery voltage sampling line broken string circuit for detecting, relates in particular to a kind of battery voltage sampling line broken string circuit for detecting for mining lithium battery group.
Background technology
Mining lithium battery group mainly is applicable to down-hole avoiding systems such as mining packaged type survival capsule, refuge chamber.Mining lithium battery group adopts the mode of continuous working, is applicable to the mine of disaster danger such as gas and dust explosion, roof fall.For comprising refuge chamber, mining packaged type survival capsule etc., mining hedging facility provides reliable and stable reserve electric power supply.At present, existing mining lithium battery group is judged by detecting single battery voltage for the broken string detecting is many, can't locate open circuit line fast.
The utility model content
Technical problem to be solved in the utility model is to provide a kind of battery voltage sampling line broken string circuit for detecting, and whether it can fast detecting goes out the battery voltage sampling line and break.
The utility model is achieved through the following technical solutions: a kind of battery voltage sampling line broken string circuit for detecting, described battery voltage sampling line broken string circuit for detecting comprises tank circuit, to the constant-current source circuit of described tank circuit discharge and the controller of controlling described constant-current source circuit, described tank circuit comprises at least one in storage capacitor and the energy storage inductor.
As further improvement of the utility model, described tank circuit comprises energy storage inductor, storage capacitor and resistance, described energy storage inductor and described resistance string are connected on the battery voltage sampling line, first end of described storage capacitor is connected on the described battery voltage sampling line, the second end ground connection of described storage capacitor.
As further improvement of the utility model, first end of described constant-current source circuit is connected on the described battery voltage sampling line, the second end ground connection of described constant-current source circuit, described controller are to be connected first end of described constant-current source circuit and the gauge tap between the described battery voltage sampling line.
As further improvement of the utility model, described constant-current source circuit comprises discharge resistance.
As further improvement of the utility model, described battery voltage sampling line broken string circuit for detecting is for being used for the battery voltage sampling line broken string circuit for detecting of mining lithium battery group.
The beneficial effects of the utility model are: according to battery voltage sampling line broken string circuit for detecting of the present utility model, can guarantee sampling precision and stability by tank circuit, and by before sampling, by constant-current source circuit the energy-storage travelling wave tube in the tank circuit being discharged, can judge the battery voltage sampling line fast and whether break.
Above-mentioned explanation only is the general introduction of technical solutions of the utility model, for can clearer understanding technological means of the present utility model, and can be implemented according to the content of instructions, and for above-mentioned and other purpose, feature and advantage of the present utility model can be become apparent, below especially exemplified by embodiment, and conjunction with figs., be described in detail as follows.
Description of drawings
Fig. 1 is the structural representation of an embodiment of battery voltage sampling line broken string circuit for detecting of the present utility model.
Embodiment
Be to reach technological means and the effect that predetermined utility model purpose is taked for further setting forth the utility model, below in conjunction with accompanying drawing and preferred embodiment, to according to embodiment of the present utility model, structure, feature and effect thereof, be described in detail as follows:
Relevant aforementioned and other technology contents, characteristics and effect of the present utility model can be known to present in the following detailed description that cooperates with reference to graphic preferred embodiment.Explanation by embodiment, when can being to reach technological means and the effect that predetermined purpose takes to be able to more deeply and concrete understanding to the utility model, yet appended graphic only provide with reference to the usefulness of explanation, the utility model is limited.
As shown in Figure 1, battery voltage sampling line broken string circuit for detecting 10 is connected between series battery 1 and the current output terminal 5.Particularly, battery voltage sampling line broken string circuit for detecting 10 is connected in series in after series battery 1, the analog switch 2, before the current output terminal 5.Wherein, series battery 1 is preferably mining lithium battery group, and current output terminal 5 is the analog to digital conversion interface, and power consumption is very little.
As shown in Figure 1, battery voltage sampling line broken string circuit for detecting comprise tank circuit 3, to the constant-current source circuit 4 of described tank circuit 3 discharges and the controller 42 of controlling described constant-current source circuit.Described tank circuit 3 comprises at least one in storage capacitor and the energy storage inductor.
In the present embodiment, described tank circuit 3 comprises energy storage inductor 32, storage capacitor 36 and resistance 34, and described energy storage inductor 32 and described resistance 34 are serially connected on the battery voltage sampling line to be measured.Described tank circuit 3 is used for guaranteeing sampling precision and stability.First end of described storage capacitor 36 is connected on the described battery voltage sampling line, the second end ground connection of described storage capacitor 36.
First end of described constant-current source circuit 4 is connected on the described battery voltage sampling line, the second end ground connection of described constant-current source circuit.Described constant-current source circuit 4 can comprise discharge resistance 46, also can comprise other consuming components.Described controller 42 is for being connected the gauge tap between discharge resistance 46 and the described battery voltage sampling line.This controller 42 can be hand switch or automatic switch.
During 10 work of battery voltage sampling line broken string circuit for detecting, by control analog switch 2, make series battery 1 and tank circuit 3 conductings.If tank circuit 3 front ends break, then by the tank circuit 3 temporary transient primary voltages that keep.Before the sampling, closing operator 42 utilizes the energy-storage travelling wave tube in 4 pairs of tank circuits 3 of described constant-current source circuit to release energy, and then current output terminal 5 is carried out voltage detecting.If the voltage of current output terminal 5 can judge then that near 0V this voltage sample line breaks.
According to battery voltage sampling line broken string circuit for detecting of the present utility model, can guarantee sampling precision and stability by tank circuit, and by before sampling, by constant-current source circuit the energy-storage travelling wave tube in the tank circuit being discharged, can judge the battery voltage sampling line fast and whether break.
Above embodiment has been described in detail the utility model, and formation is to restriction of the present utility model but these are not.Protection domain of the present utility model is not limited with above-mentioned embodiment, as long as the equivalence that those of ordinary skills do according to the utility model institute disclosure is modified or changed, all should include in the protection domain of putting down in writing in claims.
Claims (5)
1. battery voltage sampling line broken string circuit for detecting, it is characterized in that, described battery voltage sampling line broken string circuit for detecting comprises tank circuit, to the constant-current source circuit of described tank circuit discharge and the controller of controlling described constant-current source circuit, described tank circuit comprises at least one in storage capacitor and the energy storage inductor.
2. battery voltage sampling line according to claim 1 broken string circuit for detecting, it is characterized in that, described tank circuit comprises energy storage inductor, storage capacitor and resistance, described energy storage inductor and described resistance string are connected on the battery voltage sampling line, first end of described storage capacitor is connected on the described battery voltage sampling line, the second end ground connection of described storage capacitor.
3. battery voltage sampling line according to claim 2 broken string circuit for detecting, it is characterized in that, first end of described constant-current source circuit is connected on the described battery voltage sampling line, the second end ground connection of described constant-current source circuit, described controller are to be connected first end of described constant-current source circuit and the gauge tap between the described battery voltage sampling line.
4. battery voltage sampling line broken string circuit for detecting according to claim 3 is characterized in that described constant-current source circuit comprises discharge resistance.
5. according to each described battery voltage sampling line broken string circuit for detecting of claim 1 to 4, it is characterized in that described battery voltage sampling line broken string circuit for detecting is for being used for the battery voltage sampling line broken string circuit for detecting of mining lithium battery group.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220695085 CN203037787U (en) | 2012-12-14 | 2012-12-14 | Battery-voltage sampling-wire breakage detecting circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220695085 CN203037787U (en) | 2012-12-14 | 2012-12-14 | Battery-voltage sampling-wire breakage detecting circuit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203037787U true CN203037787U (en) | 2013-07-03 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220695085 Expired - Fee Related CN203037787U (en) | 2012-12-14 | 2012-12-14 | Battery-voltage sampling-wire breakage detecting circuit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203037787U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107390080A (en) * | 2017-06-26 | 2017-11-24 | 南京中感微电子有限公司 | A kind of battery break detection circuit |
-
2012
- 2012-12-14 CN CN 201220695085 patent/CN203037787U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107390080A (en) * | 2017-06-26 | 2017-11-24 | 南京中感微电子有限公司 | A kind of battery break detection circuit |
| CN107390080B (en) * | 2017-06-26 | 2019-12-10 | 南京中感微电子有限公司 | battery disconnection detection circuit |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130703 Termination date: 20151214 |
|
| EXPY | Termination of patent right or utility model |