CN205178544U - A low -power consumption low -voltage pass breaking of contact for fault indicator communication terminal - Google Patents
A low -power consumption low -voltage pass breaking of contact for fault indicator communication terminal Download PDFInfo
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- CN205178544U CN205178544U CN201520847451.9U CN201520847451U CN205178544U CN 205178544 U CN205178544 U CN 205178544U CN 201520847451 U CN201520847451 U CN 201520847451U CN 205178544 U CN205178544 U CN 205178544U
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Abstract
The utility model provides a low -power consumption low -voltage pass breaking of contact for fault indicator communication terminal for connect the battery, protection battery, voltage set up circuit, positive feedback and sluggish circuit, transistor QD2, the battery positive voltage is connected respectively voltage sets up circuit, positive feedback and sluggish circuit and transistor QD2's the S utmost point, transistor QD2's G extremely is connected to positive feedback and sluggish circuit, transistor QD2's D extremely is connected to the load, positive feedback and sluggish circuit are connected respectively battery cathode and voltage set up the circuit, this circuit is used for detecting battery voltage, prevents that the battery from crossing to put, avoids the battery to put too early the damage because of crossing.
Description
Technical field
The utility model relates to a kind of low consumption low voltage breaking circuit for fault detector communication terminal.
Background technology
Fault detector communication terminal needs adopt Large Copacity (general about 10AH/12V) plumbic acid or lithium iron phosphate storage battery power supply in support, adopt solar cell as main electricity, but when running into continuous rainy weather, backup battery will use as main power supply, if battery over-discharge, accumulator plate active material invertibity then can be caused to be damaged, service life reduction.General when cell voltage drops to a set threshold, adopt relay load to be disconnected, and relay consumed power is generally at about 0.1W, and communication terminal average power consumption is about about 0.4W, visible breaking circuit consumes the energy of about 1/4.Existing fault detector communication terminal without battery over-discharge protection or over-discharge protection circuit power consumption large.
Summary of the invention
The technical problems to be solved in the utility model, is to provide a kind of low consumption low voltage breaking circuit for fault detector communication terminal.
The utility model is achieved in that a kind of low consumption low voltage breaking circuit for fault detector communication terminal, for connecting storage battery, protection storage battery, voltage-setting circuitry, positive feedback and hysteresis circuitry, transistor QD2, described battery positive voltage connects described voltage-setting circuitry respectively, the S pole of positive feedback and hysteresis circuitry and transistor QD2, the G pole of described transistor QD2 is connected to described positive feedback and hysteresis circuitry, the D pole of described transistor QD2 is connected to load, described positive feedback and hysteresis circuitry connect described battery terminal negative and voltage-setting circuitry respectively.
Further, described positive feedback and hysteresis circuitry comprise resistance R1, R2, R3, R4, R5, R6, triode Q1, triode Q2 and triode Q3, described voltage-setting circuitry is connected to after described resistance R1 one end is in parallel with resistance R2 one end, the described resistance R2 other end connects the b pole of described triode Q1 and one end of resistance R3 respectively, the other end of described resistance R3 connects one end of described resistance R5 respectively, the c pole of triode Q2 and the b pole of triode Q3, the c pole of described triode Q1 connects one end of described resistance R4 and the b pole of triode Q2 respectively, the c pole of described triode Q3 connects one end of described triode R6 and the G pole of transistor QD2 respectively, the positive pole of described storage battery connects the other end of described resistance R4 respectively, the other end of resistance R5, the other end of resistance R6 and the S pole of transistor QD2, the other end of described resistance R1, the e pole of triode Q1, the e pole of triode Q2 and the e pole of triode Q3 are connected to the negative pole of described storage battery respectively.
Further, described voltage-setting circuitry comprises voltage stabilizing didoe DW1 and voltage stabilizing didoe DW2, described voltage stabilizing didoe DW2 anode is connected to described positive feedback and hysteresis circuitry, the negative electrode of described voltage stabilizing didoe DW2 is connected to the anode of described voltage stabilizing didoe DW1, and the negative electrode of described voltage stabilizing didoe DW1 is connected to the positive pole of storage battery.
Further, also comprise diode D1, described diode D1 anode is connected to the D pole of described transistor QD2, and the negative electrode of described diode D1 is connected to load.
The utility model tool has the following advantages: a kind of low consumption low voltage breaking circuit for fault detector communication terminal of the utility model, this low consumption low voltage breaking circuit is simple, cost performance is high, low in energy consumption, for in fault detector communication terminal, storage battery can be avoided to cross and to put damage, compared to traditional circuit, to equivalent specifications storage battery, its power-on time can be increased.
Accompanying drawing explanation
The utility model is further described with reference to the accompanying drawings in conjunction with the embodiments.
Fig. 1 is the circuit diagram of a kind of low consumption low voltage breaking circuit for fault detector communication terminal of the utility model.
Embodiment
As shown in Figure 1, the utility model is used for the low consumption low voltage breaking circuit of fault detector communication terminal, for connecting storage battery, protection storage battery, voltage-setting circuitry, positive feedback and hysteresis circuitry, transistor QD2, described battery positive voltage connects described voltage-setting circuitry respectively, the S pole of positive feedback and hysteresis circuitry and transistor QD2, the G pole of described transistor QD2 is connected to described positive feedback and hysteresis circuitry, the D pole of described transistor QD2 is connected to load, described positive feedback and hysteresis circuitry connect described battery terminal negative and voltage-setting circuitry respectively.
In the utility model, positive feedback and hysteresis circuitry comprise resistance R1, R2, R3, R4, R5, R6, triode Q1, triode Q2 and triode Q3, described voltage-setting circuitry is connected to after described resistance R1 one end is in parallel with resistance R2 one end, the described resistance R2 other end connects the b pole of described triode Q1 and one end of resistance R3 respectively, the other end of described resistance R3 connects one end of described resistance R5 respectively, the c pole of triode Q2 and the b pole of triode Q3, the c pole of described triode Q1 connects one end of described resistance R4 and the b pole of triode Q2 respectively, the c pole of described triode Q3 connects one end of described triode R6 and the G pole of transistor QD2 respectively, the positive pole of described storage battery connects the other end of described resistance R4 respectively, the other end of resistance R5, the other end of resistance R6 and the S pole of transistor QD2, the other end of described resistance R1, the e pole of triode Q1, the e pole of triode Q2 and the e pole of triode Q3 are connected to the negative pole of described storage battery respectively.
In the utility model, voltage-setting circuitry comprises voltage stabilizing didoe DW1 and voltage stabilizing didoe DW2, described voltage stabilizing didoe DW2 anode is connected to described positive feedback and hysteresis circuitry, the negative electrode of described voltage stabilizing didoe DW2 is connected to the anode of described voltage stabilizing didoe DW1, and the negative electrode of described voltage stabilizing didoe DW1 is connected to the positive pole of storage battery.
The utility model circuit also comprises diode D1, and described diode D1 anode is connected to the D pole of described transistor QD2, and the negative electrode of described diode D1 is connected to load.
The course of work of the utility model circuit is described below:
For 12V storage battery, DW1, DW2 of foregoing circuit select 5.1V voltage-stabiliser tube, XDC connects storage battery (as 12V/10Ah), as solar cell can not provide power supply needed for communication terminal and accumulator voltage is greater than 10.4V, then QD2 conducting, be that load Rload powers by storage battery, when battery tension is lower than about 10.4V, Q1, Q3 end, Q2 conducting, QD2 is ended, and storage battery power supply turns off.When solar cell can be charge in batteries, treat that accumulator voltage rises to about 10.9V, Q1, Q3 conducting, Q2 ends, and make QD2 conducting, storage battery can continue as load and provide power supply.
Although the foregoing describe embodiment of the present utility model; but be familiar with those skilled in the art to be to be understood that; specific embodiment described by us is illustrative; instead of for the restriction to scope of the present utility model; those of ordinary skill in the art, in the modification of the equivalence done according to spirit of the present utility model and change, should be encompassed in scope that claim of the present utility model protects.
Claims (2)
1. the low consumption low voltage breaking circuit for fault detector communication terminal, for connecting storage battery, protection storage battery, it is characterized in that: voltage-setting circuitry, positive feedback and hysteresis circuitry, transistor QD2, described battery positive voltage connects described voltage-setting circuitry respectively, the S pole of positive feedback and hysteresis circuitry and transistor QD2, the G pole of described transistor QD2 is connected to described positive feedback and hysteresis circuitry, the D pole of described transistor QD2 is connected to load, described positive feedback and hysteresis circuitry connect described battery terminal negative and voltage-setting circuitry respectively, described positive feedback and hysteresis circuitry comprise resistance R1, R2, R3, R4, R5, R6, triode Q1, triode Q2 and triode Q3, described voltage-setting circuitry is connected to after described resistance R1 one end is in parallel with resistance R2 one end, the described resistance R2 other end connects the b pole of described triode Q1 and one end of resistance R3 respectively, the other end of described resistance R3 connects one end of described resistance R5 respectively, the c pole of triode Q2 and the b pole of triode Q3, the c pole of described triode Q1 connects one end of described resistance R4 and the b pole of triode Q2 respectively, the c pole of described triode Q3 connects one end of described triode R6 and the G pole of transistor QD2 respectively, the positive pole of described storage battery connects the other end of described resistance R4 respectively, the other end of resistance R5, the other end of resistance R6 and the S pole of transistor QD2, the other end of described resistance R1, the e pole of triode Q1, the e pole of triode Q2 and the e pole of triode Q3 are connected to the negative pole of described storage battery respectively, described voltage-setting circuitry comprises voltage stabilizing didoe DW1 and voltage stabilizing didoe DW2, described voltage stabilizing didoe DW2 anode is connected to described positive feedback and hysteresis circuitry, the negative electrode of described voltage stabilizing didoe DW2 is connected to the anode of described voltage stabilizing didoe DW1, the negative electrode of described voltage stabilizing didoe DW1 is connected to the positive pole of storage battery.
2. a kind of low consumption low voltage breaking circuit for fault detector communication terminal according to claim 1, it is characterized in that: also comprise diode D1, described diode D1 anode is connected to the D pole of described transistor QD2, and the negative electrode of described diode D1 is connected to load.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520847451.9U CN205178544U (en) | 2015-10-28 | 2015-10-28 | A low -power consumption low -voltage pass breaking of contact for fault indicator communication terminal |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520847451.9U CN205178544U (en) | 2015-10-28 | 2015-10-28 | A low -power consumption low -voltage pass breaking of contact for fault indicator communication terminal |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205178544U true CN205178544U (en) | 2016-04-20 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520847451.9U Withdrawn - After Issue CN205178544U (en) | 2015-10-28 | 2015-10-28 | A low -power consumption low -voltage pass breaking of contact for fault indicator communication terminal |
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| Country | Link |
|---|---|
| CN (1) | CN205178544U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105226760A (en) * | 2015-10-28 | 2016-01-06 | 福建奥通迈胜电力科技有限公司 | A kind of low consumption low voltage breaking circuit for fault detector communication terminal |
| WO2017219491A1 (en) * | 2016-06-24 | 2017-12-28 | 广东森维绿联科技有限公司 | Battery voltage protection circuit |
-
2015
- 2015-10-28 CN CN201520847451.9U patent/CN205178544U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105226760A (en) * | 2015-10-28 | 2016-01-06 | 福建奥通迈胜电力科技有限公司 | A kind of low consumption low voltage breaking circuit for fault detector communication terminal |
| WO2017219491A1 (en) * | 2016-06-24 | 2017-12-28 | 广东森维绿联科技有限公司 | Battery voltage protection circuit |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20160420 Effective date of abandoning: 20180713 |
|
| AV01 | Patent right actively abandoned |