CN107037362A - A kind of DC charging motor ripple monitoring device - Google Patents

A kind of DC charging motor ripple monitoring device Download PDF

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Publication number
CN107037362A
CN107037362A CN201710385097.6A CN201710385097A CN107037362A CN 107037362 A CN107037362 A CN 107037362A CN 201710385097 A CN201710385097 A CN 201710385097A CN 107037362 A CN107037362 A CN 107037362A
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CN
China
Prior art keywords
ripple
charging motor
sensor
monitoring
output
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN201710385097.6A
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Chinese (zh)
Inventor
张大兴
骆志坚
梁健
谢慧丽
张惠雄
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Huizhou Power Supply Bureau of Guangdong Power Grid Co Ltd
Original Assignee
Huizhou Power Supply Bureau of Guangdong Power Grid Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Huizhou Power Supply Bureau of Guangdong Power Grid Co Ltd filed Critical Huizhou Power Supply Bureau of Guangdong Power Grid Co Ltd
Priority to CN201710385097.6A priority Critical patent/CN107037362A/en
Publication of CN107037362A publication Critical patent/CN107037362A/en
Pending legal-status Critical Current

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Classifications

    • GPHYSICS
    • G01MEASURING; TESTING
    • G01RMEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R31/00Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
    • G01R31/34Testing dynamo-electric machines
    • G01R31/343Testing dynamo-electric machines in operation

Abstract

A kind of DC charging motor ripple monitoring device provided in an embodiment of the present invention, including:DC charging motor, DC ripple sensor, alarm module;The DC ripple sensor connects the output end of the DC charging motor;The alarm module connects the DC ripple sensor.The embodiment of the present invention sets DC ripple sensor by the output end in DC charging motor, the ripple factor of output end is measured in real time, when ripple factor exceedes the limit value of regulatory requirements, send signal, staff is reminded to carry out inspection processing, straight-flow system regular inspection need not be waited until, it is to avoid because charger ripple factor is excessive, the accumulator property caused declines and the lost of life.

Description

A kind of DC charging motor ripple monitoring device
Technical field
The present invention relates to DC charging motor ripple monitoring technical field, more particularly to a kind of DC charging motor ripple monitoring dress Put.
Background technology
At present, unattended substation is promoted in power system, although control centre can obtain power transformation by telecontrol channel The real time information for running situation of standing, but a small amount of important information is can only obtain for direct current component.For charger, its Performance indications such as ripple factor, the precision of voltage regulation, precision of steady current and equal properties of flow etc., due to not possessing corresponding on-line testing dress Put, it is difficult to be confirmed whether to meet requirement, it is impossible to pinpoint the problems in time, caused consequence is exactly battery premature failure or damage It is bad, directly threaten the safe operation of power network.In early days, the technical indicator that charger is reached, is all that manufacturer dispatches from the factory in equipment The data provided during experiment, are seldom detected after operation to it, with the development of science and technology, occurring in that charger characteristic testing is filled Putting, charger performance can be tested using it, but need charger to depart from straight-flow system to complete, and execute-in-place takes When it is laborious, it is impossible to accomplish it is online in real time.
The AC compounent contained in the direct current exported for DC charging motor, we term it ripple, ripple can make electric power storage Anode and cathode active material condenses in pond, reduces accumulator property, shortens the service life of battery.According to《Guangdong Power Grid Corporation Transforming plant DC power system technologies specification》It is required that, DC charging motor output ripple coefficient is less than or equal to 0.5%.
According to current straight-flow system Inspection cycle, the test period is long, without the output line for monitoring DC charging motor in real time Wave system number, as DC charging motor runs aging, performance reduction, DC charging motor output ripple coefficient can gradually increase, influence The service life of battery.
Existing technology is according to current straight-flow system Inspection cycle, and the test period is long, and DC charging is not monitored in real time The output ripple coefficient of machine, as DC charging motor runs aging, performance is reduced, and DC charging motor output ripple coefficient can be gradually Increase, have impact on the service life of battery.
When DC charging motor runs aging, performance is reduced, when DC charging motor output ripple coefficient can gradually increase, direct current Charger output ripple coefficient is likely to exceed prescribed limits, but staff can not have found this problem in time, cause Because charger ripple factor is excessive, accumulator property is caused to decline and the lost of life.
The content of the invention
The embodiments of the invention provide a kind of DC charging motor ripple monitoring device, for solving traditional DC charging motor Aging is run, output ripple coefficient exceeds prescribed limits, and staff can not in time have found and cause due to charger ripple system Number is excessive, causes accumulator property to decline the technical problem with the lost of life.
A kind of DC charging motor ripple monitoring device provided in an embodiment of the present invention, including:DC charging motor, DC ripple Sensor, alarm module;
The DC ripple sensor connects the output end of the DC charging motor;
The alarm module connects the DC ripple sensor.
Preferably, the DC ripple sensing implement body is electrically connected with the output end of the DC charging motor.
Preferably, the embodiment of the present invention also includes display screen;
The display screen is connected with the DC ripple sensor.
Preferably, the alarm module includes ripple factor processing unit;
The ripple factor processing unit connects the DC ripple sensor, for detecting the DC ripple sensor Whether the ripple factor of output exceedes default limit value.
Preferably, the alarm module also includes bulb unit;
The bulb unit connects the ripple factor processing unit.
Preferably, the alarm module also includes loudspeaker unit;
The loudspeaker unit connects the ripple factor processing unit.
Preferably, the alarm module also includes communication unit;
The ripple factor processing unit connects the communication unit;
The communication unit passes through network connection with monitoring backstage.
As can be seen from the above technical solutions, the embodiment of the present invention has advantages below:
A kind of DC charging motor ripple monitoring device provided in an embodiment of the present invention, including:DC charging motor, DC ripple Sensor, alarm module;The DC ripple sensor connects the output end of the DC charging motor;The alarm module connection The DC ripple sensor.The embodiment of the present invention is real by setting DC ripple sensor in the output end of DC charging motor When measure the ripple factor of output end, when ripple factor exceedes the limit value of regulatory requirements, that is, send signal, remind staff Inspection processing is carried out, without when straight-flow system regular inspection, it is to avoid because charger ripple factor is excessive, the battery that causes It can decline and the lost of life.
Brief description of the drawings
In order to illustrate more clearly about the embodiment of the present invention or technical scheme of the prior art, below will be to embodiment or existing There is the accompanying drawing used required in technology description to be briefly described, it should be apparent that, drawings in the following description are only this Some embodiments of invention, for those of ordinary skill in the art, without having to pay creative labor, may be used also To obtain other accompanying drawings according to these accompanying drawings.
Fig. 1 is a kind of signal of one embodiment of DC charging motor ripple monitoring device provided in an embodiment of the present invention Figure.
Embodiment
The embodiments of the invention provide a kind of DC charging motor ripple monitoring device, for solving traditional DC charging motor Aging is run, output ripple coefficient exceeds prescribed limits, and staff can not in time have found and cause due to charger ripple system Number is excessive, causes accumulator property to decline the technical problem with the lost of life.
To enable goal of the invention, feature, the advantage of the present invention more obvious and understandable, below in conjunction with the present invention Accompanying drawing in embodiment, the technical scheme in the embodiment of the present invention is clearly and completely described, it is clear that disclosed below Embodiment be only a part of embodiment of the invention, and not all embodiment.Based on the embodiment in the present invention, this area All other embodiment that those of ordinary skill is obtained under the premise of creative work is not made, belongs to protection of the present invention Scope.
Referring to Fig. 1, a kind of one embodiment of DC charging motor ripple monitoring device provided in an embodiment of the present invention, bag Include:DC charging motor 1, DC ripple sensor 2, alarm module 3;
DC ripple sensor 2 connects the output end of DC charging motor 1;
The connection DC ripple of alarm module 3 sensor 2.
DC ripple sensor 2 connects the output end of DC charging motor 1, for receiving the straight of the output end of DC charging motor 1 The AC compounent (i.e. ripple) contained in stream, and then the ripple factor of output end is measured in real time, and export to alarm module 3.
The ripple factor that alarm module 3 is exported to DC ripple sensor 2 is handled, and judges DC ripple sensor 2 Whether the ripple factor of output is more than default limit value, if so, then sending alarm signal.
Further, DC ripple sensor 2 is specifically electrically connected with the output end of DC charging motor.
Further, the embodiment of the present invention also includes display screen;
Display screen is connected with DC ripple sensor 2.
DC ripple sensor 2 is detected after ripple factor, can export to display screen to show real-time ripple factor.
Further, alarm module 3 includes ripple factor processing unit;
Ripple factor processing unit connection DC ripple sensor 2, for detecting the ripple that DC ripple sensor 2 is exported Whether coefficient exceedes default limit value.
Ripple factor processing unit is received after the ripple factor of the output of DC ripple sensor 2, and DC ripple is sensed The ripple factor that device 2 is exported is compared with default limit value in ripple factor processing unit, if DC ripple sensor 2 is exported Ripple factor be more than ripple factor processing unit in default limit value, then send alarm signal.
Further, alarm module 3 also includes bulb unit;
Bulb unit connects ripple factor processing unit.
Bulb unit receives after the alarm signal that ripple factor processing unit is sent bright light to remind staff.
Further, alarm module 3 also includes loudspeaker unit;
Loudspeaker unit connects the ripple factor processing unit.
Loudspeaker unit, which is received, to be sent sound to remind staff after the alarm signal that ripple factor processing unit is sent.
Further, alarm module 3 also includes communication unit;
Ripple factor processing unit connection communication unit;
Communication unit and monitoring backstage are by network connection, for the ripple factor for receiving ripple factor processing unit The alarm signal sent with ripple factor processing unit is sent to monitoring backstage by communication unit.
A kind of DC charging motor ripple monitoring device provided in an embodiment of the present invention, including:DC charging motor, DC ripple Sensor, alarm module;The DC ripple sensor connects the output end of the DC charging motor;The alarm module connection The DC ripple sensor.The embodiment of the present invention is real by setting DC ripple sensor in the output end of DC charging motor When measure the ripple factor of output end, when ripple factor exceedes the limit value of regulatory requirements, that is, send signal, remind staff Inspection processing is carried out, without when straight-flow system regular inspection, it is to avoid because charger ripple factor is excessive, the battery that causes It can decline and the lost of life.
The embodiment of the present invention sets DC ripple sensor by the output end in DC charging motor, and output end is measured in real time Ripple factor, when ripple factor exceedes the limit value of regulatory requirements, that is, send signal, remind staff to carry out inspection department Reason.
The embodiment of the present invention uses DC charging motor ripple monitoring device, and DC charging motor output end can be monitored in real time Ripple factor, without when straight-flow system regular inspection, it is to avoid because charger ripple factor is excessive, under the accumulator property caused Drop and the lost of life.
The embodiment of the present invention has ripple content abnormal alarm function, by detecting the ripple content that charger is exported, when When ripple content exceedes limit value, scene sends sound and light alarm, additionally by network advertisement background monitoring.
Described above, the above embodiments are merely illustrative of the technical solutions of the present invention, rather than its limitations;Although with reference to before Embodiment is stated the present invention is described in detail, it will be understood by those within the art that:It still can be to preceding State the technical scheme described in each embodiment to modify, or equivalent substitution is carried out to which part technical characteristic;And these Modification is replaced, and the essence of appropriate technical solution is departed from the spirit and scope of various embodiments of the present invention technical scheme.

Claims (7)

1. a kind of DC charging motor ripple monitoring device, it is characterised in that including:DC charging motor, DC ripple sensor, report Alert module;
The DC ripple sensor connects the output end of the DC charging motor;
The alarm module connects the DC ripple sensor.
2. a kind of DC charging motor ripple monitoring device according to claim 1, it is characterised in that the DC ripple is passed Output end of the sensor specifically with the DC charging motor is electrically connected.
3. a kind of DC charging motor ripple monitoring device according to claim 1, it is characterised in that also including display screen;
The display screen is connected with the DC ripple sensor.
4. a kind of DC charging motor ripple monitoring device according to claim 1, it is characterised in that the alarm module bag Include ripple factor processing unit;
The ripple factor processing unit connects the DC ripple sensor, for detecting the DC ripple sensor output Ripple factor whether exceed default limit value.
5. a kind of DC charging motor ripple monitoring device according to claim 4, it is characterised in that the alarm module is also Including bulb unit;
The bulb unit connects the ripple factor processing unit.
6. a kind of DC charging motor ripple monitoring device according to claim 4, it is characterised in that the alarm module is also Including loudspeaker unit;
The loudspeaker unit connects the ripple factor processing unit.
7. a kind of DC charging motor ripple monitoring device according to claim 4, it is characterised in that the alarm module is also Including communication unit;
The ripple factor processing unit connects the communication unit;
The communication unit passes through network connection with monitoring backstage.
CN201710385097.6A 2017-05-26 2017-05-26 A kind of DC charging motor ripple monitoring device Pending CN107037362A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201710385097.6A CN107037362A (en) 2017-05-26 2017-05-26 A kind of DC charging motor ripple monitoring device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201710385097.6A CN107037362A (en) 2017-05-26 2017-05-26 A kind of DC charging motor ripple monitoring device

Publications (1)

Publication Number Publication Date
CN107037362A true CN107037362A (en) 2017-08-11

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN201710385097.6A Pending CN107037362A (en) 2017-05-26 2017-05-26 A kind of DC charging motor ripple monitoring device

Country Status (1)

Country Link
CN (1) CN107037362A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111398844A (en) * 2020-03-10 2020-07-10 深圳供电局有限公司 Ripple peak sampling circuit and direct current system monitoring device

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111398844A (en) * 2020-03-10 2020-07-10 深圳供电局有限公司 Ripple peak sampling circuit and direct current system monitoring device

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