CN204241569U - Infant industry UPS battery internal resistance online testing device - Google Patents

Infant industry UPS battery internal resistance online testing device Download PDF

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Publication number
CN204241569U
CN204241569U CN201420725893.1U CN201420725893U CN204241569U CN 204241569 U CN204241569 U CN 204241569U CN 201420725893 U CN201420725893 U CN 201420725893U CN 204241569 U CN204241569 U CN 204241569U
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CN
China
Prior art keywords
internal resistance
signal processor
mesuring battary
online testing
battery internal
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Expired - Fee Related
Application number
CN201420725893.1U
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Chinese (zh)
Inventor
胡超然
戴宁迎
邹德鑫
陆峰
赵仁德
Original Assignee
State Grid Corp of China SGCC
China University of Petroleum UPC East China
State Grid Jiangsu Electric Power Co Ltd
Maintenance Branch of State Grid Jiangsu Electric Power Co Ltd
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Application filed by State Grid Corp of China SGCC, China University of Petroleum UPC East China, State Grid Jiangsu Electric Power Co Ltd, Maintenance Branch of State Grid Jiangsu Electric Power Co Ltd filed Critical State Grid Corp of China SGCC
Priority to CN201420725893.1U priority Critical patent/CN204241569U/en
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Publication of CN204241569U publication Critical patent/CN204241569U/en
Expired - Fee Related legal-status Critical Current
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Abstract

The utility model discloses a kind of infant industry UPS battery internal resistance online testing device, comprise mesuring battary, measurement circuit, detecting unit, described detecting unit comprises voltage sensor, current sensor, temperature sensor, digital signal processor, supervisory system principal computer, described supervisory system principal computer connects voltage sensor respectively, current sensor, temperature sensor, digital signal processor, described voltage sensor, current sensor, temperature sensor records signal and is sent to digital signal processor and carries out computing, draw the internal resistance parameter of mesuring battary, and described mesuring battary and the whole parameter of ups system mesuring battary group are sent to supervisory system principal computer monitor, on-line checkingi can be carried out, real-time communication, can Timeliness coverage cell degradation, the abnormal parameters such as heating.

Description

Infant industry UPS battery internal resistance online testing device
Technical field
The utility model relates to a kind of apparatus for testing battery essential resistance, particularly a kind of reliable, accurate, intelligence, infant industry UPS battery internal resistance online testing device easy to use.
Background technology
Existing internal resistance of cell test; one adopts constant-current discharge method, and utilize handheld device to carry out manual discharge test to battery, the method can find cell degradation problem; but the method cost of labor is high; not intelligent, and detection duration, between detection period, battery cannot put into operation; reduce the work efficiency of battery; bring certain risk also to the equipment by UPS protection, and can not periodically detect frequently, be difficult to Timeliness coverage, solve battery existing problems.
Another kind adopts battery terminal voltage detection method, and this method is when floating charge by detecting every batteries both end voltage, and through between battery, contrast differentiates whether battery exists the problems such as internal resistance is excessive, aging.But also there is obvious drawback in the method: 1) the method can only Individual cells occur aging, internal resistance excessive time differentiate, when electric battery overall due to Long-Time Service aging time, be difficult to find that battery is abnormal; 2) battery float terminal voltage difficult parameters is directly to reflect whether battery has qualified discharge capability, and during some situation battery float, voltage is normal, once voltage atdischarge end falls obviously and battery discharge ability obviously reduces.Therefore battery terminal voltage detection method limitation is comparatively large, accuracy is lower.
Utility model content
For the deficiency of above-mentioned technology, technical solution adopted in the utility model is: a kind of infant industry UPS battery internal resistance online testing device, comprise mesuring battary, measurement circuit, detecting unit, described measurement circuit connects mesuring battary and detecting unit respectively, described detecting unit comprises voltage sensor, current sensor, temperature sensor, digital signal processor, supervisory system principal computer, described supervisory system principal computer connects voltage sensor respectively, current sensor, temperature sensor, digital signal processor, adopt discharge test method in short-term, described voltage sensor, current sensor, temperature sensor records signal and delivers to digital signal processor and carry out computing, draw the internal resistance parameter of mesuring battary, and described mesuring battary and the whole parameter of ups system mesuring battary group are sent to supervisory system principal computer by local area network communication mode monitor.
This device passes through discharge test in short-term, comparatively additive method, can be periodically, frequently discharge test is carried out to described mesuring battary, be conducive to keeping mesuring battary active, to a certain degree extend mesuring battary serviceable life, simultaneously, accurately can draw the voltage of mesuring battary, internal resistance, the parameters such as temperature, not only can carry out across comparison with other batteries of ups system mesuring battary group, longitudinal contrast can also be carried out with mesuring battary historical data, judge its health status and discharge capability, thus Timeliness coverage problem carries out safeguarding or changing, guarantee the basic function of ups power.
Described supervisory system principal computer is provided with warning system, during as occurred that mesuring battary parameter exceedes the threshold value of setting, reported to the police by supervisory system principal computer, the position of accurate localizing faults battery, this device adopts the pattern of on-line monitoring, the voltage of each joint mesuring battary of understanding ups system mesuring battary group that can be real-time, electric current, internal resistance, the parameters such as temperature, monitor its state and performance, ensure that UPS battery group can put into operation at any time and have qualified discharge capability, simultaneously, manpower can be saved, sense cycle is short, can Timeliness coverage mesuring battary aging, internal resistance is excessive, the problems such as heating.
Described digital signal processor adopts to the magnitude of voltage before and after battery discharge to be measured, current value the internal resistance parameter calculating mesuring battary based on average algorithm, counting of sampling is more, its precision is higher, can accurate Calculation each joint mesuring battary internal resistance, judge mesuring battary characteristic with this.
Described measurement circuit adopts 4 circuits, 2 is power lines to current sample with circuit, other 2 is signal line to voltage sample with circuit, separately the advantage of sampling is, signal wire electric current is about 0, voltage sample is accurate, substantially can ignore the impact that contact impedance that battery Inner Resistance Tester in Virtual Instrument outlet exists line impedance or junction produces test result.
Described mesuring battary provides detection power supply, and described detection power supply comprises interface, digital signal processor electric power-feeding structure, mimic channel electric power-feeding structure and photoelectrical coupler electric power-feeding structure.
Described digital signal processor electric power-feeding structure is provided with switching power converter, described switching power converter is connecting interface and digital signal processor respectively, mesuring battary terminal voltage is transformed into supply voltage needed for digital signal processor, digital signal processor and peripheral circuit thereof are powered, can ensure that transformation efficiency is more than 95%;
Described mimic channel electric power-feeding structure is provided with filtering circuit, described filtering circuit is connecting interface and amplifier respectively, described amplifier adopts voltage-type differential amplifier, instrumentation amplifier and operational amplifier, its input impedance is high, power consumption is few, powers after mesuring battary terminal voltage access filtering circuit directly to each class A amplifier A.
Described photoelectrical coupler electric power-feeding structure is provided with linear power transducer, and described linear power transducer is connecting interface and photoelectrical coupler respectively, powers.
The system architecture that this device adopts " supply, survey one ", namely the power supply of device is provided by tested battery unit, and without the need to external power supply, the independently-powered part of system of saving, facilitates system in all case to install, use and manage.
The beneficial effect that the utility model reaches: a kind of industrial UPS battery internal resistance online testing device that the utility model provides is by the setting of voltage sensor, current sensor, temperature sensor, accurately can draw the parameter such as voltage, internal resistance, temperature of mesuring battary, not only can carry out across comparison with organizing other mesuring battaries, longitudinal contrast can also be carried out with mesuring battary historical data, judge its health status and discharge capability, thus Timeliness coverage problem carries out safeguarding or changing; Described industrial UPS battery internal resistance online testing device, by discharge test, comparatively additive method in short-term, periodically, frequently can carry out discharge test to mesuring battary, is conducive to keeping mesuring battary active, to a certain degree extends mesuring battary serviceable life; Described industrial UPS battery internal resistance online testing device is by the pattern of on-line monitoring, and save manpower, sense cycle is short, can the problem such as excessive, the heating of Timeliness coverage cell degradation, internal resistance; Described industrial UPS battery internal resistance online testing device by adopt " for, survey one " system architecture, namely the power supply of system is from mesuring battary, without the need to for this device additionally independently-powered, simplify system architecture, be convenient to install, use.
Accompanying drawing explanation
Fig. 1 is schematic flow sheet of the present utility model
Fig. 2 is electrical block diagram of the present utility model
Fig. 3 is electric power-feeding structure schematic diagram of the present utility model.
Embodiment
Below in conjunction with accompanying drawing, the utility model is further described.Following examples only for clearly the technical solution of the utility model being described, and can not limit protection domain of the present utility model with this.
As Fig. 1, shown in Fig. 2, a kind of industrial UPS battery internal resistance online testing device, a kind of infant industry UPS battery internal resistance online testing device, comprise mesuring battary, measurement circuit, detecting unit, described detecting unit comprises voltage sensor, current sensor, temperature sensor, digital signal processor 12, supervisory system principal computer, described supervisory system principal computer connects voltage sensor respectively, current sensor, temperature sensor, digital signal processor 12, electric discharge is in short-term adopted to carry out low discharging current to industrial UPS lead-acid battery, described voltage sensor, current sensor, temperature sensor records signal and carries out computing by digital signal processor 12, draw the internal resistance parameter of each mesuring battary of ups system mesuring battary group, and described mesuring battary and the whole parameter of ups system mesuring battary group are sent to supervisory system principal computer by local area network communication mode monitor, when being reported to the police by supervisory system principal computer during mesuring battary abnormal parameters described in Arbitrary Term, magnitude of voltage before and after described digital signal processor 12 pairs of battery discharges, current value adopts the internal resistance parameter calculating battery based on average algorithm, described measurement circuit adopts 4 circuits, 2 is power line 2 to current sample with circuit, other 2 is signal wire 1 to voltage sample with circuit.
Workflow of the present utility model:
1), after start, by signal wire 1, no-load voltage is carried out to mesuring battary and detects 3, and repeatedly measure, elimination disturbance factor affects, carry out no-load current by the high-precision power resistance in power line 2 and detect 4, and carry out repeated detection, be used as current compensation when internal resistance calculates; Carry out no load temperature and detect 5, detect no load temperature and whether exceed standard, warning as exceeded standard, entering next link as do not exceeded standard;
2) digital signal processor 12 exports the square wave of certain dutycycle, is converted into direct current signal through photoelectric coupler isolation post filtering, by operational amplifier driving power triode, carries out constant-current discharge test in short-term 6 through power line 2 pairs of mesuring battaries;
3) in battery discharge procedure to be measured, stable reading to be sampled, carries out band by signal wire 1 and carries voltage detecting 7, and carry out repeated detection; Carry out discharge current by the high-precision power resistance in power line 2 and detect 8, and carry out repeated detection, eliminate disturbance factor impact; Carrying out discharge temp and detect 9, observing whether there is obvious temperature rise, if any warning;
4) described mesuring battary and the whole parameter of ups system mesuring battary group are sent to supervisory system principal computer by local area network communication mode to monitor, when being reported to the police by supervisory system principal computer during mesuring battary abnormal parameters described in Arbitrary Term, entering next cycle simultaneously and detecting.
As shown in Figure 3, the system architecture of " supply, survey one ", namely described mesuring battary provides detection power supply, and described detection power supply comprises interface 10, digital signal processor electric power-feeding structure, mimic channel electric power-feeding structure and optocoupler electric power-feeding structure.
1) digital signal processor electric power-feeding structure: described digital signal processor electric power-feeding structure is provided with switching power converter 11, described switching power converter 11 is connecting interface 10 and digital signal processor 12 respectively, mesuring battary terminal voltage is transformed into supply voltage needed for digital signal processor 12, digital signal processor 12 and peripheral circuit thereof are powered, can ensure that transformation efficiency is more than 95%.
2) mimic channel electric power-feeding structure: described mimic channel electric power-feeding structure is provided with filtering circuit 13, described filtering circuit 13 is connecting interface 10 and amplifier 14 respectively, described amplifier 14 adopts voltage-type differential amplifier, instrumentation amplifier and operational amplifier, its input impedance is high, power consumption is few, powers after mesuring battary terminal voltage access filtering circuit 13 directly to each class A amplifier A 14.
3) photoelectrical coupler electric power-feeding structure: described photoelectrical coupler electric power-feeding structure is provided with linear power transducer 15, described linear power transducer 15 is connecting interface 10 and photoelectrical coupler 16 respectively, powers after mesuring battary terminal voltage is accessed linear power converter 15 directly to photoelectrical coupler 16.
The above is only preferred implementation of the present utility model; should be understood that; for those skilled in the art; under the prerequisite not departing from the utility model know-why; can also make some improvement and distortion, these improve and distortion also should be considered as protection domain of the present utility model.

Claims (8)

1. an infant industry UPS battery internal resistance online testing device, it is characterized in that, comprise mesuring battary, measurement circuit and detecting unit, described measurement circuit connects mesuring battary and detecting unit respectively, and described detecting unit comprises voltage sensor, current sensor, temperature sensor, digital signal processor, supervisory system principal computer.
2. infant industry UPS battery internal resistance online testing device according to claim 1, it is characterized in that, described supervisory system principal computer connects voltage sensor, current sensor, temperature sensor, digital signal processor respectively, and described voltage sensor, current sensor, temperature sensor be linking number word signal processor respectively.
3. infant industry UPS battery internal resistance online testing device according to claim 1, it is characterized in that, described supervisory system principal computer is provided with warning system.
4. infant industry UPS battery internal resistance online testing device according to claim 1, it is characterized in that, described measurement circuit adopts 4 circuits, and 2 is power lines to current sample with circuit, and other 2 is the signal line to voltage sample with circuit.
5. the UPS battery internal resistance online testing device of the infant industry according to claim 1,2,3 or 4, it is characterized in that, described mesuring battary provides detection power supply, and described detection power supply comprises digital signal processor electric power-feeding structure, mimic channel electric power-feeding structure and photoelectrical coupler electric power-feeding structure.
6. infant industry UPS battery internal resistance online testing device according to claim 5, it is characterized in that, described digital signal processor electric power-feeding structure is provided with switching power converter, described switching power converter linking number word signal processor.
7. infant industry UPS battery internal resistance online testing device according to claim 5, it is characterized in that, described mimic channel electric power-feeding structure is provided with filtering circuit, and described filtering circuit connects amplifier.
8. infant industry UPS battery internal resistance online testing device according to claim 5, it is characterized in that, described photoelectrical coupler electric power-feeding structure is provided with linear power transducer, and described linear power transducer connects photoelectrical coupler.
CN201420725893.1U 2014-11-26 2014-11-26 Infant industry UPS battery internal resistance online testing device Expired - Fee Related CN204241569U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
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Application Number Priority Date Filing Date Title
CN201420725893.1U CN204241569U (en) 2014-11-26 2014-11-26 Infant industry UPS battery internal resistance online testing device

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104330639A (en) * 2014-11-26 2015-02-04 国家电网公司 Novel industrial UPS battery internal resistance online testing device

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104330639A (en) * 2014-11-26 2015-02-04 国家电网公司 Novel industrial UPS battery internal resistance online testing device

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C14 Grant of patent or utility model
GR01 Patent grant
CP01 Change in the name or title of a patent holder
CP01 Change in the name or title of a patent holder

Address after: 100761 West Chang'an Avenue, Beijing, No. 86, No.

Co-patentee after: Jiangsu Electric Power Company

Patentee after: State Grid Corporation of China

Co-patentee after: National network Jiangsu Electric Power Co., Ltd. maintenance branch

Co-patentee after: China Petroleum University (East China)

Address before: 100761 West Chang'an Avenue, Beijing, No. 86, No.

Co-patentee before: Jiangsu Electric Power Company

Patentee before: State Grid Corporation of China

Co-patentee before: State Grid Jiangsu Electric Power Company Maintenance Branch Company

Co-patentee before: China Petroleum University (East China)

Address after: 100761 West Chang'an Avenue, Beijing, No. 86, No.

Co-patentee after: Jiangsu Electric Power Company

Patentee after: State Grid Corporation of China

Co-patentee after: State Grid Jiangsu Electric Power Company Maintenance Branch Company

Co-patentee after: China Petroleum University (East China)

Address before: 100761 West Chang'an Avenue, Beijing, No. 86, No.

Co-patentee before: Jiangsu Electric Power Company

Patentee before: State Grid Corporation of China

Co-patentee before: Maintenance Branch of Jiangsu Electric Power Company

Co-patentee before: China Petroleum University (East China)

Address after: 100761 West Chang'an Avenue, Beijing, No. 86, No.

Co-patentee after: Jiangsu Electric Power Company

Patentee after: State Grid Corporation of China

Co-patentee after: National network Jiangsu Electric Power Co., Ltd. maintenance branch

Co-patentee after: China Petroleum University (East China)

Address before: 100761 West Chang'an Avenue, Beijing, No. 86, No.

Co-patentee before: Jiangsu Electric Power Company

Patentee before: State Grid Corporation of China

Co-patentee before: State Grid Jiangsu Electric Power Company Maintenance Branch Company

Co-patentee before: China Petroleum University (East China)

Address after: 100761 West Chang'an Avenue, Beijing, No. 86, No.

Co-patentee after: Jiangsu Electric Power Company

Patentee after: State Grid Corporation of China

Co-patentee after: State Grid Jiangsu Electric Power Company Maintenance Branch Company

Co-patentee after: China Petroleum University (East China)

Address before: 100761 West Chang'an Avenue, Beijing, No. 86, No.

Co-patentee before: Jiangsu Electric Power Company

Patentee before: State Grid Corporation of China

Co-patentee before: Maintenance Branch of Jiangsu Electric Power Company

Co-patentee before: China Petroleum University (East China)

CF01 Termination of patent right due to non-payment of annual fee
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20150401

Termination date: 20181126