CN204407984U - The supervising device of uninterrupted power supply charge in batteries voltage - Google Patents
The supervising device of uninterrupted power supply charge in batteries voltage Download PDFInfo
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- CN204407984U CN204407984U CN201520150037.2U CN201520150037U CN204407984U CN 204407984 U CN204407984 U CN 204407984U CN 201520150037 U CN201520150037 U CN 201520150037U CN 204407984 U CN204407984 U CN 204407984U
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Abstract
The utility model embodiment discloses a kind of supervising device of uninterrupted power supply charge in batteries voltage, relates to uninterrupted power supply technical field.This device comprises: the voltage acquisition shunt circuit connected successively, direct voltage compare circuit, NAND gate level treatment circuit and alarm indication circuit; Described voltage acquisition shunt circuit comprises one for connecting the relay of charging voltage; Described direct voltage compares circuit and comprises upper voltage limit input point, lower voltage limit input point and voltage input point to be measured; Described voltage input point to be measured is connected with described voltage acquisition shunt circuit.The utility model can solve current UPS charger to there is charging voltage too high or too low situation during charge in batteries, causes the battery of UPS storage battery to hold Electricity Functional decline, shortening in useful life, the problem that accumulator plate damages.
Description
Technical field
The utility model relates to uninterrupted power supply technical field, particularly relates to a kind of supervising device of uninterrupted power supply charge in batteries voltage.
Background technology
Uninterrupted power supply (Uninterruptible Power Supply is called for short UPS) is connected with main frame by storage battery, by modular circuits such as main frame inverters, direct current converted to the system equipment of civil power.UPS is mainly used in single computer, computer network system or other power electronic equipment as electromagnetically operated valve, pressure transmitter etc. provide stable, continual supply of electric power.
But current UPS charger, to there is charging voltage too high or too low situation during charge in batteries, causes the battery of UPS storage battery to hold Electricity Functional decline, shortening in useful life, the problem that accumulator plate damages.
Utility model content
Embodiment of the present utility model provides a kind of supervising device of uninterrupted power supply charge in batteries voltage, to solve current UPS charger to there is charging voltage too high or too low situation during charge in batteries, the battery of UPS storage battery is caused to hold Electricity Functional decline, useful life shortens, the problem that accumulator plate damages.
For achieving the above object, the utility model adopts following technical scheme:
A supervising device for uninterrupted power supply charge in batteries voltage, comprising:
The voltage acquisition shunt circuit connected successively, direct voltage compare circuit, NAND gate level treatment circuit and alarm indication circuit;
Described voltage acquisition shunt circuit comprises one for connecting the relay of charging voltage;
Described direct voltage compares circuit and comprises upper voltage limit input point, lower voltage limit input point and voltage input point to be measured; Described voltage input point to be measured is connected with described voltage acquisition shunt circuit.
Concrete, described relay comprises charging voltage connecting interface, overlap cored can variable resistance coil, the first normally opened contact, the first normally-closed contact, relay switch, linked switch, the second normally opened contact, the second normally-closed contact; Described voltage acquisition shunt circuit also comprises a dropping resistor;
The positive pole of described charging voltage connecting interface can the first end of variable resistance coil and described linked switch be connected with described respectively; The negative pole of described charging voltage connecting interface can the second end of variable resistance coil be connected with described;
The not moved end of described relay switch is connected with a voltage input end;
Described first normally opened contact is connected with the second end of described dropping resistor; Described second normally-closed contact is connected with the first end of described dropping resistor;
Second end of described dropping resistor is connected with described voltage input point to be measured.
Further, described direct voltage compares circuit and also comprises the first comparator and the second comparator;
The first input end of described first comparator is connected with described upper voltage limit input point; Second input of described first comparator is connected with described voltage input point to be measured;
The first input end of described second comparator is connected with described voltage input point to be measured; Second input of described second comparator is connected with described lower voltage limit input point.
Concrete, described NAND gate level treatment circuit comprises the first NAND gate circuit, the second NAND gate circuit, the 3rd NAND gate circuit and the 4th NAND gate circuit;
The A input of described first NAND gate circuit is connected with the first resistance; The B input of described first NAND gate circuit is connected between two with the A input of the output of described first comparator and described second NAND gate circuit;
The B input of described 4th NAND gate circuit is connected with the second resistance; The A input of described 4th NAND gate circuit is connected between two with the B input of the output of described second comparator and described second NAND gate circuit;
The output of described second NAND gate circuit is connected between two with the A input of described 3rd NAND gate circuit and B input.
Concrete, described alarm indication circuit comprises alarm for high voltage display circuit, normal display circuit and low pressure alarming display circuit;
Described alarm for high voltage display circuit comprises one first triode, the first light-emitting diode and the first acoustical generator; The base stage of described first triode is connected with the output of described first NAND gate circuit;
Described normal display circuit comprises one second triode, the second light-emitting diode and the second generator; The base stage of described second triode is connected with the output of described 3rd NAND gate circuit;
Described low pressure alarming display circuit comprises one the 3rd triode, the 3rd light-emitting diode and the 3rd generator; The base stage of described 3rd triode is connected with the output of described 4th NAND gate circuit.
The supervising device of the uninterrupted power supply charge in batteries voltage that the utility model embodiment provides, the collection of voltage acquisition shunt circuit can gather charging voltage, and compare circuit by direct voltage and to compare upper voltage limit that circuit obtains with direct voltage and lower voltage limit compares, and produce high level or low level, thus after NAND gate level treatment circuit, alarm indication circuit can be controlled report to the police, like this, if UPS charger is to occurring the situation that charging voltage is too high or too low during charge in batteries, can be known in time by the supervising device of uninterrupted power supply charge in batteries voltage of the present utility model, and send warning, safeguard procedures are taked in time to point out user, the battery avoiding UPS storage battery holds Electricity Functional decline, useful life shortens, the problem that accumulator plate damages.
Accompanying drawing explanation
In order to be illustrated more clearly in the utility model embodiment or technical scheme of the prior art, be briefly described to the accompanying drawing used required in embodiment or description of the prior art below, apparently, accompanying drawing in the following describes is only embodiments more of the present utility model, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
The structural representation of the supervising device of a kind of uninterrupted power supply charge in batteries voltage that Fig. 1 provides for the utility model embodiment;
Fig. 2 is the structural representation of the voltage acquisition shunt circuit in the utility model embodiment;
Fig. 3 is the structural representation that direct voltage in the utility model embodiment compares circuit;
Fig. 4 is the structural representation of the NAND gate level treatment circuit in the utility model embodiment;
Fig. 5 is the structural representation of the alarm indication circuit in the utility model embodiment;
Fig. 6 is LM324 pin in the utility model embodiment and encapsulation schematic diagram;
Fig. 7 is the schematic diagram of the 74LS00 chip in the utility model embodiment;
Fig. 8 is the position view of the supervising device of uninterrupted power supply charge in batteries voltage in the utility model embodiment.
Embodiment
Below in conjunction with the accompanying drawing in the utility model embodiment, be clearly and completely described the technical scheme in the utility model embodiment, obviously, described embodiment is only the utility model part embodiment, instead of whole embodiments.Based on the embodiment in the utility model, those of ordinary skill in the art are not making the every other embodiment obtained under creative work prerequisite, all belong to the scope of the utility model protection.
As shown in Figure 1, the supervising device 10 of a kind of uninterrupted power supply charge in batteries voltage that the utility model embodiment provides, comprising:
The voltage acquisition shunt circuit 11 connected successively, direct voltage compare circuit 12, NAND gate level treatment circuit 13 and alarm indication circuit 14.
This voltage acquisition shunt circuit 11 comprises one for connecting the relay 15 of charging voltage.
Direct voltage compares circuit 12 and comprises upper voltage limit input point 16, lower voltage limit input point 17 and voltage input point 18 to be measured; This voltage input point 18 to be measured is connected with voltage acquisition shunt circuit 11.
Concrete as depicted in figs. 1 and 2, this relay 15 comprises charging voltage connecting interface 19, overlap cored can variable resistance coil 20, first normally opened contact 21, first normally-closed contact 22, relay switch 23, linked switch 24, second normally opened contact 25, second normally-closed contact 26; Voltage acquisition shunt circuit 11 also comprises a dropping resistor 27.This relay 15 can be pressure-variable bidirectional relay, can shunt the charging voltage of normal value and the charging voltage of outlier.
The positive pole of charging voltage connecting interface 19 respectively with can the first end of variable resistance coil 20 and linked switch 24 be connected; The negative pole of charging voltage connecting interface 19 with can the second end of variable resistance coil 20 be connected.The not moved end of relay switch 23 is connected with a voltage input end 28.This voltage input end 28 is loaded with+5V voltage herein.
First normally opened contact 21 is connected with the second end of dropping resistor 27; Second normally-closed contact 26 is connected with the first end of dropping resistor 27.
Second end of dropping resistor 27 is connected with voltage input point 18 to be measured.
The voltage normal range (NR) to be measured connected when the charging voltage connecting interface 19 in this voltage acquisition shunt circuit 11 is 5V to 15V, relay 15 attonity, after connected voltage to be measured is undertaken being depressured to 1.5V to 4V by dropping resistor 27, send into direct voltage and compare circuit 12.If voltage to be measured is more than 15V, relay switch 23 contact adhesive, linked switch 24 disconnects, and relay 15 compares device 12 to direct voltage and sends into+5V direct voltage.
Further, as shown in figures 1 and 3, this direct voltage compares circuit 12 and also comprises the first comparator 29 and the second comparator 30.
The first input end 31 of the first comparator 29 is connected with upper voltage limit input point 16; Second input 32 of the first comparator 29 is connected with voltage input point 18 to be measured.
The first input end 33 of the second comparator 30 is connected with voltage input point 18 to be measured; Second input 34 of the second comparator 30 is connected with lower voltage limit input point 17.
Concrete, as shown in Figure 6, this direct voltage is compared circuit 12 and can be realized by a LM324 operational amplifier, and LM324 family device is with the four-operational amplifier of differential input.LM324 pin as shown in Figure 6 and encapsulation figure: each group operational amplifier as shown in Figure 6.LM324 makes voltage comparator when removing the feedback resistance of amplifier, when feedback resistance is tending towards infinity in other words (open loop situations), think that the Open loop gain cofficient of amplifier also (is actually very large for infinitely great in theory, as LM324 amplifier Open loop gain cofficient 100dB, both 100,000 times).Now amplifier just forms a voltage comparator, and it exports if not being high level (V+), is exactly low level (V-or ground connection).When positive input terminal voltage is higher than negative input end voltage, amplifier exports high level.
Concrete, as shown in Figure 1 and Figure 4, NAND gate level treatment circuit 13 comprises the first NAND gate circuit 35, second NAND gate circuit 36, the 3rd NAND gate circuit 37 and the 4th NAND gate circuit 38.
The A input of the first NAND gate circuit 35 is connected with the first resistance 39, and the first resistance 39 is herein 8k Ω; The B input of the first NAND gate circuit is connected between two with the A input of the output of the first comparator 29 and the second NAND gate circuit 36.
The B input of the 4th NAND gate circuit 38 is connected with the second resistance 40, and the second resistance 40 is herein 68k Ω; The A input of the 4th NAND gate circuit 38 is connected between two with the B input of the output of the second comparator 30 and the second NAND gate circuit 36.
The output of the second NAND gate circuit 36 is connected between two with the A input of the 3rd NAND gate circuit 37 and B input.
What deserves to be explained is, as shown in Figure 7, above-mentioned NAND gate level treatment circuit 13 can be realized by a 74LS00 chip, and 74LS00 chip is four input nand gates, and 74LS00 logic function table is as shown in table 1, and L represents low level, and H represents high level.
Table 1:
| Input | Input | Export |
| A | B | Y |
| L | L | H |
| L | H | H |
| H | L | H |
| H | H | L |
Concrete, as shown in Figure 1 and Figure 5, alarm indication circuit 14 comprises alarm for high voltage display circuit 41, normal display circuit 42 and low pressure alarming display circuit 43.
This alarm for high voltage display circuit 41 comprises one first triode 44, first light-emitting diode 45 and the first acoustical generator 46.The base stage of the first triode 44 is connected with the output of the first NAND gate circuit 35.The first above-mentioned light-emitting diode 45 can send ruddiness.
Normal display circuit 42 comprises one second triode 47, second light-emitting diode 48 and the second generator 49; The base stage of the second triode 47 is connected with the output of the 3rd NAND gate circuit 37.The second above-mentioned light-emitting diode 48 can send green glow.
Low pressure alarming display circuit 43 comprises one the 3rd triode 50, the 3rd light-emitting diode 51 and the 3rd generator 53; The base stage of the 3rd triode 50 is connected with the output of the 4th NAND gate circuit 38.The 3rd above-mentioned light-emitting diode 51 can send gold-tinted.
The operation principle that this direct voltage compares circuit 12, NAND gate level treatment circuit 13 and alarm indication circuit 14 is,
Direct voltage compares circuit 12 by regulating upper and lower voltage, draw scope 1.5V to the 4V of the normal voltage in the present embodiment, if voltage to be measured is more than 4V, the first light-emitting diode 45 in alarm indication circuit sends ruddiness, represent overvoltage warning, if voltage to be measured is lower than 1.5V, the 3rd light-emitting diode 51 sends gold-tinted, represents under-voltage warning; If voltage to be measured is between 1.5V and 4V, then the second light-emitting diode 48 sends green glow, represents normal.
The luminous relation of voltage to be measured and each diode is as shown in table 2:
Table 2:
Processed by the level that front end inputs by 74LS00 chip NAND gate, direct voltage compares two outlet sides of device circuit 12, if wherein one end is low level, draws high level with high level and non-post, and then drives the alarm indication circuit 14 of rear end; If two ends are only high level, namely in normal voltage range, by drawing high level after two NAND gate, and then driving alarm indication circuit 14 below, this 74LS00 chip can drive with 5V voltage, 74LS00 chip has four two identical input nand gate circuit, can use, by under-voltage and overvoltage circuit by obtaining the Output rusults of normal voltage after two NAND gate when the short circuit of NAND gate both feet as a not gate.Direct voltage compares circuit 14 and direct voltage and the normal voltage preset can be compared, if direct voltage is greater than the maximum normal voltage of setting, or being less than the minimum sandards voltage of setting, then direct voltage compares device circuit and sends a low-voltage, otherwise sends a high voltage.
Above-mentioned alarm indication circuit 14, when the level that it receives is high level, can allow triode conducting, and then drive lumination of light emitting diode.In alarm for high voltage display circuit 41, normal display circuit 42, low pressure alarming display circuit 43, need the resistance current limliting by 1 kilo-ohm, Light-Emitting Diode can be made normally to show.Because alarm indication circuit 14 needs to work under direct voltage compares the high voltage of device output, so alarm indication circuit 14 needs a voltage reversal device, direct voltage compares the voltage inversion that device is sent, and alarm indication circuit 14 is worked.
What deserves to be explained is, the supervising device of the uninterrupted power supply charge in batteries voltage that the utility model embodiment provides operationally is connected in parallel on UPS charger circuit, as shown in Figure 8, the position of the supervising device of uninterrupted power supply charge in batteries voltage is illustrated.
The supervising device of the uninterrupted power supply charge in batteries voltage that the utility model embodiment provides, the collection of voltage acquisition shunt circuit can gather charging voltage, and compare circuit by direct voltage and to compare upper voltage limit that circuit obtains with direct voltage and lower voltage limit compares, and produce high level or low level, thus after NAND gate level treatment circuit, alarm indication circuit can be controlled report to the police, like this, if UPS charger is to occurring the situation that charging voltage is too high or too low during charge in batteries, can be known in time by the supervising device of uninterrupted power supply charge in batteries voltage of the present utility model, and send warning, safeguard procedures are taked in time to point out user, the battery avoiding UPS storage battery holds Electricity Functional decline, useful life shortens, the problem that accumulator plate damages.
Apply specific embodiment in the utility model to set forth principle of the present utility model and execution mode, the explanation of above embodiment just understands device of the present utility model and core concept thereof for helping; Meanwhile, for one of ordinary skill in the art, according to thought of the present utility model, all will change in specific embodiments and applications, in sum, this description should not be construed as restriction of the present utility model.
Claims (5)
1. a supervising device for uninterrupted power supply charge in batteries voltage, is characterized in that, comprising:
The voltage acquisition shunt circuit connected successively, direct voltage compare circuit, NAND gate level treatment circuit and alarm indication circuit;
Described voltage acquisition shunt circuit comprises one for connecting the relay of charging voltage;
Described direct voltage compares circuit and comprises upper voltage limit input point, lower voltage limit input point and voltage input point to be measured; Described voltage input point to be measured is connected with described voltage acquisition shunt circuit.
2. the supervising device of uninterrupted power supply charge in batteries voltage according to claim 1, it is characterized in that, described relay comprises charging voltage connecting interface, overlap cored can variable resistance coil, the first normally opened contact, the first normally-closed contact, relay switch, linked switch, the second normally opened contact, the second normally-closed contact; Described voltage acquisition shunt circuit also comprises a dropping resistor;
The positive pole of described charging voltage connecting interface can the first end of variable resistance coil and described linked switch be connected with described respectively; The negative pole of described charging voltage connecting interface can the second end of variable resistance coil be connected with described;
The not moved end of described relay switch is connected with a voltage input end;
Described first normally opened contact is connected with the second end of described dropping resistor; Described second normally-closed contact is connected with the first end of described dropping resistor;
Second end of described dropping resistor is connected with described voltage input point to be measured.
3. the supervising device of uninterrupted power supply charge in batteries voltage according to claim 1, is characterized in that, described direct voltage compares circuit and also comprises the first comparator and the second comparator;
The first input end of described first comparator is connected with described upper voltage limit input point; Second input of described first comparator is connected with described voltage input point to be measured;
The first input end of described second comparator is connected with described voltage input point to be measured; Second input of described second comparator is connected with described lower voltage limit input point.
4. the supervising device of uninterrupted power supply charge in batteries voltage according to claim 3, is characterized in that,
Described NAND gate level treatment circuit comprises the first NAND gate circuit, the second NAND gate circuit, the 3rd NAND gate circuit and the 4th NAND gate circuit;
The A input of described first NAND gate circuit is connected with the first resistance; The B input of described first NAND gate circuit is connected between two with the A input of the output of described first comparator and described second NAND gate circuit;
The B input of described 4th NAND gate circuit is connected with the second resistance; The A input of described 4th NAND gate circuit is connected between two with the B input of the output of described second comparator and described second NAND gate circuit;
The output of described second NAND gate circuit is connected between two with the A input of described 3rd NAND gate circuit and B input.
5. the supervising device of uninterrupted power supply charge in batteries voltage according to claim 4, is characterized in that, described alarm indication circuit comprises alarm for high voltage display circuit, normal display circuit and low pressure alarming display circuit;
Described alarm for high voltage display circuit comprises one first triode, the first light-emitting diode and the first acoustical generator; The base stage of described first triode is connected with the output of described first NAND gate circuit;
Described normal display circuit comprises one second triode, the second light-emitting diode and the second generator; The base stage of described second triode is connected with the output of described 3rd NAND gate circuit;
Described low pressure alarming display circuit comprises one the 3rd triode, the 3rd light-emitting diode and the 3rd generator; The base stage of described 3rd triode is connected with the output of described 4th NAND gate circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520150037.2U CN204407984U (en) | 2015-03-17 | 2015-03-17 | The supervising device of uninterrupted power supply charge in batteries voltage |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520150037.2U CN204407984U (en) | 2015-03-17 | 2015-03-17 | The supervising device of uninterrupted power supply charge in batteries voltage |
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| Publication Number | Publication Date |
|---|---|
| CN204407984U true CN204407984U (en) | 2015-06-17 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520150037.2U Withdrawn - After Issue CN204407984U (en) | 2015-03-17 | 2015-03-17 | The supervising device of uninterrupted power supply charge in batteries voltage |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104701945A (en) * | 2015-03-17 | 2015-06-10 | 中国工商银行股份有限公司 | Monitoring device for charging voltage of uninterruptible power supply storage battery |
-
2015
- 2015-03-17 CN CN201520150037.2U patent/CN204407984U/en not_active Withdrawn - After Issue
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104701945A (en) * | 2015-03-17 | 2015-06-10 | 中国工商银行股份有限公司 | Monitoring device for charging voltage of uninterruptible power supply storage battery |
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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 | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20150617 Effective date of abandoning: 20170405 |