CN209167428U - A kind of detection device of the online holding meanss of battery group - Google Patents
A kind of detection device of the online holding meanss of battery group Download PDFInfo
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- CN209167428U CN209167428U CN201821690349.2U CN201821690349U CN209167428U CN 209167428 U CN209167428 U CN 209167428U CN 201821690349 U CN201821690349 U CN 201821690349U CN 209167428 U CN209167428 U CN 209167428U
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- electronic switch
- battery group
- holding meanss
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- rectifier
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Abstract
The utility model provides a kind of detection device of online holding meanss of battery group, including a battery group, a rectifier, a load, an online holding meanss, a power conversion module, one first electronic switch and one second electronic switch；One end of online holding meanss is connect with the anode of battery group, and the anode of the other end and rectifier connects；The cathode of battery group and the cathode of rectifier connect, and rectifier is in parallel with load；One end of first electronic switch and the input terminal of power conversion module connect, and the other end is connect with the anode of battery group；One end of second electronic switch and the input terminal of power conversion module connect, and the other end is connect with the cathode of battery group；The output end of power conversion module is connected with the anode of rectifier and the first electronic switch respectively.Utility model has the advantages that improving the working efficiency of online holding meanss O&M, safety, O&M cost is reduced.
Description
Technical field
The utility model relates to field of batteries, refer in particular to a kind of detection device of online holding meanss of battery group.
Background technique
In industries such as scientific research institution, electric power, communication, finance and petroleum, battery group is required as backup power source, is prevented
Only because service disconnection causes irremediable economic loss when emergency situations power off.
Due to the importance of backup power source, it is therefore desirable to which battery group keeps system presence, is needed thus in electric power storage
Online holding meanss are installed, the online holding meanss for thereby producing detection battery group whether there is the work of failure in the group of pond
Make.Detection for online holding meanss, traditional way is: passing through the online guarantor of the artificial a pair of each battery group of mode one
Device is held to be detected；But there are following problems for traditional way: operation maintenance personnel great work intensity, working efficiency is low, holds
Easily cause safety accident, O&M cost is high.
Summary of the invention
The technical problems to be solved in the utility model is to provide a kind of detection dress of online holding meanss of battery group
It sets, for improving working efficiency, the safety of online holding meanss O&M, reduces O&M cost.
The utility model is realized in this way: a kind of detection device of the online holding meanss of battery group, including an electric power storage
Pond group, a rectifier and one load, further include an online holding meanss, a power conversion module, one first electronic switch with
And one second electronic switch；
One end of the online holding meanss is connect with the anode of the battery group, and the other end and the rectifier are just
Pole connection；The cathode of the battery group is connect with the cathode of the rectifier, and the rectifier is in parallel with the load；It is described
One end of first electronic switch is connect with the input terminal of the power conversion module, and the anode of the other end and the battery group is even
It connects；One end of second electronic switch is connect with the input terminal of the power conversion module, the other end and the battery group
Cathode connection；The output end of the power conversion module respectively with positive and described first electronic switch of the rectifier
It is connected.
Further, the online holding meanss include a third electronic switch and a diode；The third electronics
Switch and the diodes in parallel.
Further, the third electronic switch is normally closed contactor.
Further, the power conversion module includes a polarity switching circuit and a voltage transformation module；The pole
Property switching circuit the anode of the output end A and the rectifier connect, export the end B and connect with first electronic switch；It is described
The input terminal of polarity switching circuit is connect with the output end of the voltage transformation module；The input terminal of the voltage transformation module point
It is not connect with first electronic switch and second electronic switch.
Further, first electronic switch and the second electronic switch are normally open contactor.
Utility model has the advantages that
1, it by a kind of detection device of the online holding meanss of battery group, realizes and improves online holding meanss fortune
The working efficiency of dimension, safety, reduce O&M cost；
2, it by the flow direction of the polarity switching circuit switching electric current, realizes a circuit while can detecte described
Three electronic switches and diode reduce the complexity of circuit, improve the reliability of circuit, while also reducing cost；
3, by the voltage transformation module, the fixed voltage that the battery group exports is transformed into the direct current of isolation
Pressure, improves the reliability of circuit.
Detailed description of the invention
The utility model is further described in conjunction with the embodiments with reference to the accompanying drawings.
Fig. 1 is a kind of schematic block circuit diagram of the detection device of the online holding meanss of battery group of the utility model.
Description of symbols:
100- detection device, 1- battery group, 2- rectifier, 3- load, the online holding meanss of 4-, 5- power supply modulus of conversion
Block, the first electronic switch of 6-, the second electronic switch of 7-, 41- third electronic switch, 42- diode, 51- polarity switching circuit,
52- voltage transformation module.
Specific embodiment
It please refers to shown in Fig. 1, a kind of preferable implementation of the detection device of the online holding meanss of battery group of the utility model
Example, including 1, one rectifier 2 of a battery group (48V) and a load 3, further include an online holding meanss 4, power supply conversion
Module 5, one first electronic switch 6 and one second electronic switch 7；
One end of the online holding meanss 4 is connect with the anode of the battery group 1, the other end and the rectifier 2
Anode connection；The cathode of the battery group 1 is connect with the cathode of the rectifier 2, the rectifier 2 and the load 3
It is in parallel；One end of first electronic switch 6 is connect with the input terminal of the power conversion module 5, the other end and the electric power storage
The anode connection of pond group 1；One end of second electronic switch 7 is connect with the input terminal of the power conversion module 5, the other end
It is connect with the cathode of the battery group 1；The output end of the power conversion module 5 respectively with the rectifier 2 anode with
And first electronic switch 6 is connected.
The online holding meanss 4 include a third electronic switch 41 and a diode 42；The third electronic switch
41 is in parallel with the diode 42；Automatically the third electronic switch 41 and diode 42 are detected, and will test result and pass through
System reports background monitoring center, has and reminds user to arrange to overhaul as early as possible when unusual condition, so that 1 safety of the battery group can
That leans on is online.
The third electronic switch 41 is normally closed contactor, is in an off state when out of power, in channel status when having electricity.
The power conversion module 5 includes a polarity switching circuit 51 and a voltage transformation module (DC/DC module) 52；
The output end A of the polarity switching circuit 51 is connect with the anode of the rectifier 2, the output end B and first electronic switch 6
Connection；The input terminal of the polarity switching circuit 51 is connect with the output end of the voltage transformation module 52, the voltage conversion
Module 52 exports the input of 2.5V voltage, 80A electric current as the polarity switching circuit 51；The voltage transformation module 52 it is defeated
Enter end to connect with first electronic switch 6 and second electronic switch 7 respectively；The polarity switching circuit 51 is for cutting
The flow direction of electric current is changed, in the specific implementation, as long as selection is able to achieve the polarity switching circuit of this function from the prior art,
It is not limited to which kind of model, this is that those skilled in the art do not need to make the creative labor and can be obtained；The voltage turns
Mold changing block 52 is used to for the fixed voltage that battery group exports being transformed into the DC voltage of isolation, in the specific implementation, as long as from
Selection is able to achieve the voltage transformation module of this function in the prior art, however it is not limited to which which kind of model, this is art technology
Personnel, which do not need to make the creative labor, can be obtained.
First electronic switch 6 and the second electronic switch 7 are normally open contactor, and channel status is in when out of power,
In off state when having electricity.
Utility model works principle includes the detection to diode, is specifically comprised the following steps:
Step S1, it is closed the first electronic switch and the second electronic switch, disconnects third electronic switch；
Step S2, the end output B that polarity switching circuit is arranged is anode, exports 2.5V voltage；Diode is in just at this time
To on state；
Step S3, the voltage at test diode both ends, if test voltage value setting threshold interval (0.5V~
In 0.9V), illustrate that diode state is normal；If the voltage value of test is less than threshold interval (0.5V), illustrates that diode is in and hit
Wear malfunction；If the voltage value of test is greater than threshold interval (0.9V), illustrate that diode is in open-circuit fault state；
Step S4, terminate testing process.
The method also includes the detections to third electronic switch, specifically comprise the following steps:
Step S10, the first electronic switch, the second electronic switch and third electronic switch are closed；
Step S20, the end output A that polarity switching circuit is arranged is anode, exports 2.5V voltage；Diode is in resistance at this time
Disconnected state；
Step S30, the voltage at third electronic switch both ends is tested, if the voltage value of test is less than the threshold value of setting
(0.2V) illustrates that third electronic switch state is normal, terminates process；If the voltage value of test is greater than the threshold value of setting, illustrate the
There are failures for three electronic switches, terminate process.
In conclusion utility model has the advantages that
1, it by a kind of detection device of the online holding meanss of battery group, realizes and improves online holding meanss fortune
The working efficiency of dimension, safety, reduce O&M cost；
2, it by the flow direction of the polarity switching circuit switching electric current, realizes a circuit while can detecte described
Three electronic switches and diode reduce the complexity of circuit, improve the reliability of circuit, while also reducing cost；
3, by the voltage transformation module, the fixed voltage that the battery group exports is transformed into the direct current of isolation
Pressure, improves the reliability of circuit.
Although those familiar with the art answers the foregoing describe specific embodiment of the present utility model
Working as understanding, we are merely exemplary described specific embodiment, rather than for the limit to the scope of the utility model
Fixed, those skilled in the art modification and variation equivalent made by the spirit according to the utility model all should
Cover in the scope of the claimed protection of the utility model.
Claims (5)
1. a kind of detection device of the online holding meanss of battery group, including a battery group, a rectifier and a load,
It is characterized in that: further including an online holding meanss, a power conversion module, one first electronic switch and one second electronic cutting
It closes；
One end of the online holding meanss is connect with the anode of the battery group, and the anode of the other end and the rectifier is even
It connects；The cathode of the battery group is connect with the cathode of the rectifier, and the rectifier is in parallel with the load；Described first
One end of electronic switch is connect with the input terminal of the power conversion module, and the other end is connect with the anode of the battery group；
One end of second electronic switch is connect with the input terminal of the power conversion module, and the other end is negative with the battery group
Pole connection；The output end of the power conversion module is connected with positive and described first electronic switch of the rectifier respectively
It connects.
2. a kind of detection device of the online holding meanss of battery group as described in claim 1, it is characterised in that: described online
Holding meanss include a third electronic switch and a diode；The third electronic switch and the diodes in parallel.
3. a kind of detection device of the online holding meanss of battery group as claimed in claim 2, it is characterised in that: the third
Electronic switch is normally closed contactor.
4. a kind of detection device of the online holding meanss of battery group as described in claim 1, it is characterised in that: the power supply
Conversion module includes a polarity switching circuit and a voltage transformation module；The end output A of the polarity switching circuit with it is described
The anode connection of rectifier, the output end B are connect with first electronic switch；The input terminal of the polarity switching circuit with it is described
The output end of voltage transformation module connects；The input terminal of the voltage transformation module respectively with first electronic switch and institute
State the connection of the second electronic switch.
5. a kind of detection device of the online holding meanss of battery group as described in claim 1, it is characterised in that: described first
Electronic switch and the second electronic switch are normally open contactor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821690349.2U CN209167428U (en) | 2018-10-18 | 2018-10-18 | A kind of detection device of the online holding meanss of battery group |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821690349.2U CN209167428U (en) | 2018-10-18 | 2018-10-18 | A kind of detection device of the online holding meanss of battery group |
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| Publication Number | Publication Date |
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| CN209167428U true CN209167428U (en) | 2019-07-26 |
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| CN201821690349.2U Active CN209167428U (en) | 2018-10-18 | 2018-10-18 | A kind of detection device of the online holding meanss of battery group |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109239496A (en) * | 2018-10-18 | 2019-01-18 | 福州福光电子有限公司 | A kind of detection device and method of the online holding meanss of battery group |
-
2018
- 2018-10-18 CN CN201821690349.2U patent/CN209167428U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109239496A (en) * | 2018-10-18 | 2019-01-18 | 福州福光电子有限公司 | A kind of detection device and method of the online holding meanss of battery group |
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