CN201413354Y - Manual operator power supply low-voltage alarm circuit - Google Patents
Manual operator power supply low-voltage alarm circuit Download PDFInfo
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- CN201413354Y CN201413354Y CN2009200763657U CN200920076365U CN201413354Y CN 201413354 Y CN201413354 Y CN 201413354Y CN 2009200763657 U CN2009200763657 U CN 2009200763657U CN 200920076365 U CN200920076365 U CN 200920076365U CN 201413354 Y CN201413354 Y CN 201413354Y
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Abstract
The utility model discloses a manual operator power supply low-voltage alarm circuit, which is characterized in that the voltage of the manual operator is acquired and input to a pin 3 of a voltage comparator, a resistance R0, a resistance R1 and a resistance R2 are sequentially connected in series, and connected with the power supply and then are grounded, a pin 1 of a three-terminal voltage regulator is grounded, a pin 3 of the three-terminal voltage regulator is connected between the resistance R1 and the resistance R2, a pin 2 of the three-terminal voltage regulator is connected between the resistance R0 and the resistance R1 and connected with a pin 2 of the voltage comparator, a voltage-regulator tube D1 is connected between the pin 3 of the voltage comparator and the ground, a pin 6and a pin 8 of the voltage comparator are connected with the power supply, a pin 1 of the voltage comparator is grounded, the base electrode of a triode is connected with a pin 7 of the voltage comparator by a resistance R5, the emitter of the triode is grounded, a resistance R3, a relay J and a resistance R4 are sequentially connected in series, and then one end is connected with the power supply, and the other end is connected with the collector electrode of the triode; a voltage-regulator tube D2 and a light tube D3 are connected in parallel on the two ends of the resistance R4, and a normally open contact and a buzzer are connected in parallel on the two ends of the power supply and the collector electrode of the triode. The alarm circuit acquires the voltage of the battery of the manual operator, provides low voltage alarm, ensures that the manual operator can be applied to the production field, and guarantees the adjustment of instruments or valves.
Description
Technical field
The utility model relates to a kind of manual operator power supply low-voltage warning circuit.
Background technology
Be applied to the thermal meter of production scene or the application that valve all has steady arm at present, along with development of technology, the development of all kinds of steady arms from before mechanical type progressively excessive to the smart electronics formula, manual adjustments has originally changed intellectual instrument into regulates, so manual operator is widely used in the adjustment and the parameter modification of all kinds of intelligence instruments in production scene or valve.In case going wrong, production run needs to do suitably to adjust, then need adopt manual operator to carry out, but there is to walk electrical phenomena in manual operator under the holding state at ordinary times, supposing that a certain critical valves of production run is in operation fault occurred, and manual operator does not have the words of electricity at this moment, to influence steady arm repairing efficient greatly, upset the start-up time of normally carrying out or delay unit of production run, will bring tremendous loss to production.
General manual operator oneself has the means that two kinds of electric weight detect, and first start enters the manual operator menu, can show the number percent of the last electric weight of current battery; The method need be opened manual operator, and is consuming time more, and the low-voltage warning function can not be provided, and can't play early warning and take precautions against effect, can't eliminate the crucial moment manual operator and not have the situation of electricity.Be the cell panel that unloads manual operator in addition, press the electric weight the Show Button on the cell panel,, can extrapolate the cell panel dump energy by the bright lamp number on the cell panel.The emergency circumstance that same this method also can't make the manual operator reply produce.Above-mentioned electric weight detects to be afterwards and detects, and can't make early warning in advance, has brought inconvenience for the application of manual operator.
Summary of the invention
Technical problem to be solved in the utility model provides a kind of manual operator power supply low-voltage warning circuit, this circuit is under the idle state of manual operator at ordinary times, gather the manual operator cell voltage, provide low-voltage to report to the police, to guarantee that manual operator is applied to the production scene, guarantee the adjustment operation of production scene instrument or valve.
For solving the problems of the technologies described above, the utility model manual operator power supply low-voltage warning circuit comprises the manual operator charging inlet, power supply, the voltage acquisition interface, voltage comparator, the three-terminal voltage-stabilizing source, resistance R 0, resistance R 1, resistance R 2, resistance R 3, resistance R 4, resistance R 5, triode T, stabilivolt D1, stabilivolt D2, light emitting diode D3, relay J and hummer, described relay J has normally opened contact JK, described voltage acquisition interface connects the pin 3 of described manual operator charging inlet and voltage comparator respectively, described resistance R 0, resistance R 1 and resistance R 2 are connected successively, the other end of described resistance R 0 connects described power supply, the other end ground connection of described resistance R 2, the pin 2 of described voltage comparator connects the tie point of described resistance R 0 and R1, pin 1 ground connection of described voltage comparator, pin 1 ground connection in described three-terminal voltage-stabilizing source, the pin 2 in described three-terminal voltage-stabilizing source connects the pin 2 of described voltage comparator, the pin 3 in described three-terminal voltage-stabilizing source connects the tie point of described resistance R 1 and R2, described stabilivolt D1 plus earth, negative pole connects the pin 3 of described voltage comparator, the pin 6 of described voltage comparator is connected described power supply with pin 8, the base stage of described triode T connects the pin 7 of described voltage comparator by resistance R 5, described resistance R 3, relay J and resistance R 4 are connected successively, the other end of described resistance R 3 connects described power supply, the other end of described resistance R 4 connects the collector of described triode T, the emitter grounding of described triode T, the anodal collector that connects described triode T of described stabilivolt D2, negative pole connects the tie point of described relay J and resistance R 4, the anodal negative pole that connects described stabilivolt D2 of described light emitting diode D3, negative pole connects the positive pole of described stabilivolt D2, and described normally opened contact JK is connected described power supply with hummer series connection back one end, the other end connects the collector of described triode T.
The plug of above-mentioned voltage acquisition interface exploitation with described manual operator charging inlet coupling.
For making things convenient for the use of this circuit, also comprise a K switch, described K switch is series between the pin 3 of described voltage acquisition interface and voltage comparator.
Because the utility model manual operator power supply low-voltage warning circuit has adopted technique scheme, promptly adopt the voltage acquisition interface to gather the manual operator cell voltage by the manual operator charging inlet, the voltage input voltage comparator foot 3 of gathering, resistance R 0, resistance R 1 is connected successively with resistance R 2 and is connected power supply and ground connection, three-terminal voltage-stabilizing source pin 1 ground connection, pin 3 connects between resistance R 1 and the R2, pin 2 connects between resistance R 0 and the R1 and connects the pin 2 of voltage comparator, stabilivolt D1 is connected between voltage comparator pin 3 and the ground, the pin 6 of voltage comparator is connected power supply with pin 8, transistor base connects the pin 7 of voltage comparator by resistance R 5, the triode emitter grounding, resistance R 3, relay J is connected afterwards with resistance R 4 successively, and an end is connected power supply, the other end connects transistor collector, stabilivolt D2 and luminotron D3 are parallel to resistance R 4 two ends, are parallel to power supply and transistor collector two ends after normally opened contact and the hummer series connection; This circuit is gathered the manual operator cell voltage under the idle state of manual operator at ordinary times, provide low-voltage to report to the police, and is applied to the production scene to guarantee manual operator, guarantees the adjustment operation of production scene instrument or valve.
Description of drawings
The utility model is described in further detail below in conjunction with drawings and embodiments:
Fig. 1 is the schematic diagram of the utility model manual operator power supply low-voltage warning circuit.
Embodiment
As shown in Figure 1, the utility model manual operator power supply low-voltage warning circuit comprises manual operator charging inlet CZ, power supply VCC, voltage acquisition interface CJ, voltage comparator B JQ, three-terminal voltage-stabilizing source WY, resistance R 0, resistance R 1, resistance R 2, resistance R 3, resistance R 4, resistance R 5, triode T, stabilivolt D1, stabilivolt D2, light emitting diode D3, relay J and hummer FM, described relay J has normally opened contact JK, described voltage acquisition interface CJ connects the pin 3 of described manual operator charging inlet CZ and voltage comparator B JQ respectively, described resistance R 0, resistance R 1 and resistance R 2 are connected successively, the other end of described resistance R 0 connects described power supply VCC, the other end ground connection of described resistance R 2, the pin 2 of described voltage comparator B JQ connects the tie point of described resistance R 0 and R1, pin 1 ground connection of described voltage comparator B JQ, pin 1 ground connection of described three-terminal voltage-stabilizing source WY, the pin 2 of described three-terminal voltage-stabilizing source WY connects the pin 2 of described voltage comparator B JQ, the pin 3 of described three-terminal voltage-stabilizing source WY connects the tie point of described resistance R 1 and R2, described stabilivolt D1 plus earth, negative pole connects the pin 3 of described voltage comparator B JQ, the pin 6 of described voltage comparator B JQ is connected described power supply VCC with pin 8, the base stage of described triode T connects the pin 7 of described voltage comparator B JQ by resistance R 5, described resistance R 3, relay J and resistance R 4 are connected successively, the other end of described resistance R 3 connects described power supply VCC, the other end of described resistance R 4 connects the collector of described triode T, the emitter grounding of described triode T, the anodal collector that connects described triode T of described stabilivolt D2, negative pole connects the tie point of described relay J and resistance R 4, the anodal negative pole that connects described stabilivolt D2 of described light emitting diode D3, negative pole connects the positive pole of described stabilivolt D2, and described normally opened contact JK is connected described power supply VCC with hummer FM series connection back one end, the other end connects the collector of described triode T.
Above-mentioned voltage acquisition interface CJ can adopt the plug with described manual operator charging inlet CZ coupling.
For making things convenient for the use of this circuit, also comprise a K switch, described K switch is series between the pin 3 of described voltage acquisition interface CJ and voltage comparator B JQ.When need are made the manual operator battery voltage detection, Closing Switch K.
Voltage comparator can adopt universal single-power voltage comparator C J0311 integrated circuit in this circuit, circuit of three-terminal voltage-stabilizing integrated TL431 can be adopted in the three-terminal voltage-stabilizing source, power supply adopts the 15V dry cell, the manual operator cell voltage is by the pin 3 of voltage acquisition interface input voltage comparer, the three-terminal voltage-stabilizing source constitutes the pin 2 of a reference voltage input voltage comparer, the pin 7 of voltage comparator is according to the voltage height selectivity output high-low level of pin 2 and pin 3, when the output high level, triode T conducting and trigger relay J get, light emitting diode D3 lights, this moment relay J normally opened contact JK closure, buzzer warning.
In this circuit, the voltage adjustment end pin 3 in three-terminal voltage-stabilizing source is connected between resistance R 1 and the R2, the resistance that changes resistance R 1 and R2 can be adjusted the output voltage in three-terminal voltage-stabilizing source, the pin 2 in three-terminal voltage-stabilizing source constitutes voltage ratio reference voltage for the pin 2 that output voltage is connected to voltage comparator, the resistance value ratio of resistance R 1 and R2 gets 1, and then the output voltage in three-terminal voltage-stabilizing source is 5V.
During this circuit working, when the cell voltage of manual operator during greater than 5V, here get 6V for example, Closing Switch K, input voltage comparator foot 3 voltages are greater than the voltage of pin 2, and voltage comparator output terminal pin 7 is low level 0V, not conducting of triode T, relay J does not trigger, and light emitting diode D3 does not work, and hummer is not reported to the police.
When the cell voltage of manual operator during less than 5V, here get 4V for example, Closing Switch K, pin 3 voltages of voltage comparator are less than pin 2 voltages, and voltage comparator output terminal pin 7 is high level 15V, triode T conducting this moment, relay J gets, light emitting diode D3 lights, normally opened contact JK closure, buzzer warning.
This circuit operation is simple, highly effective, and manual operator does not have electric situation when having avoided the production run repairing to safeguard, has guaranteed normally carrying out of production, has eliminated potential safety hazard.This circuit is by parameter change, and the supply voltage that can also be applied to other devices detects.
Claims (3)
1, a kind of manual operator power supply low-voltage warning circuit, comprise the manual operator charging inlet, it is characterized in that: also comprise power supply, the voltage acquisition interface, voltage comparator, the three-terminal voltage-stabilizing source, resistance R 0, resistance R 1, resistance R 2, resistance R 3, resistance R 4, resistance R 5, triode T, stabilivolt D1, stabilivolt D2, light emitting diode D3, relay J and hummer, described relay J has normally opened contact JK, described voltage acquisition interface connects the pin 3 of described manual operator charging inlet and voltage comparator respectively, described resistance R 0, resistance R 1 and resistance R 2 are connected successively, the other end of described resistance R 0 connects described power supply, the other end ground connection of described resistance R 2, the pin 2 of described voltage comparator connects the tie point of described resistance R 0 and R1, pin 1 ground connection of described voltage comparator, pin 1 ground connection in described three-terminal voltage-stabilizing source, the pin 2 in described three-terminal voltage-stabilizing source connects the pin 2 of described voltage comparator, the pin 3 in described three-terminal voltage-stabilizing source connects the tie point of described resistance R 1 and R2, described stabilivolt D1 plus earth, negative pole connects the pin 3 of described voltage comparator, the pin 6 of described voltage comparator is connected described power supply with pin 8, the base stage of described triode T connects the pin 7 of described voltage comparator by resistance R 5, described resistance R 3, relay J and resistance R 4 are connected successively, the other end of described resistance R 3 connects described power supply, the other end of described resistance R 4 connects the collector of described triode T, the emitter grounding of described triode T, the anodal collector that connects described triode T of described stabilivolt D2, negative pole connects the tie point of described relay J and resistance R 4, the anodal negative pole that connects described stabilivolt D2 of described light emitting diode D3, negative pole connects the positive pole of described stabilivolt D2, and described normally opened contact JK is connected described power supply with hummer series connection back one end, the other end connects the collector of described triode T.
2, according to the described manual operator power supply of claim low-voltage warning circuit, it is characterized in that: described voltage acquisition interface is the plug that mates with described manual operator charging inlet.
3, according to the described manual operator power supply of claim low-voltage warning circuit, it is characterized in that: it also comprises a K switch, and described K switch is series between the pin 3 of described voltage acquisition interface and voltage comparator.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009200763657U CN201413354Y (en) | 2009-06-16 | 2009-06-16 | Manual operator power supply low-voltage alarm circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009200763657U CN201413354Y (en) | 2009-06-16 | 2009-06-16 | Manual operator power supply low-voltage alarm circuit |
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| Publication Number | Publication Date |
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| CN201413354Y true CN201413354Y (en) | 2010-02-24 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2009200763657U Expired - Fee Related CN201413354Y (en) | 2009-06-16 | 2009-06-16 | Manual operator power supply low-voltage alarm circuit |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102707126A (en) * | 2012-06-14 | 2012-10-03 | 镇江船舶电器有限责任公司 | Undervoltage alarm module of storage battery |
| CN104184112A (en) * | 2013-05-27 | 2014-12-03 | 深圳市海洋王照明工程有限公司 | Input under-voltage detection circuit |
| CN105353321A (en) * | 2015-12-10 | 2016-02-24 | 南京熊猫电子股份有限公司 | Backup cell alarm |
-
2009
- 2009-06-16 CN CN2009200763657U patent/CN201413354Y/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102707126A (en) * | 2012-06-14 | 2012-10-03 | 镇江船舶电器有限责任公司 | Undervoltage alarm module of storage battery |
| CN104184112A (en) * | 2013-05-27 | 2014-12-03 | 深圳市海洋王照明工程有限公司 | Input under-voltage detection circuit |
| CN105353321A (en) * | 2015-12-10 | 2016-02-24 | 南京熊猫电子股份有限公司 | Backup cell alarm |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20100224 Termination date: 20110616 |