CN203825141U - Lithium battery current mutual inductor polarity determination instrument - Google Patents
Lithium battery current mutual inductor polarity determination instrument Download PDFInfo
- Publication number
- CN203825141U CN203825141U CN201420239357.0U CN201420239357U CN203825141U CN 203825141 U CN203825141 U CN 203825141U CN 201420239357 U CN201420239357 U CN 201420239357U CN 203825141 U CN203825141 U CN 203825141U
- Authority
- CN
- China
- Prior art keywords
- current transformer
- lithium battery
- shockproof box
- polar end
- aluminium alloy
- 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.)
- Expired - Fee Related
Links
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 title claims abstract description 30
- 229910052744 lithium Inorganic materials 0.000 title claims abstract description 30
- 229910000838 Al alloy Inorganic materials 0.000 claims abstract description 43
- 238000012360 testing method Methods 0.000 claims abstract description 13
- 239000006260 foam Substances 0.000 claims abstract description 7
- 239000000843 powder Substances 0.000 claims description 6
- 230000007774 longterm Effects 0.000 description 5
- 230000007812 deficiency Effects 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 230000001681 protective effect Effects 0.000 description 4
- 238000000151 deposition Methods 0.000 description 3
- 238000005259 measurement Methods 0.000 description 3
- 238000012423 maintenance Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
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- Secondary Cells (AREA)
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
Abstract
The utility model discloses a lithium battery current mutual inductor polarity determination instrument, comprising an aluminum alloy shockproof box, a current mutual inductor first side positive connecting terminal, a current mutual inductor first side negative connecting terminal, a current mutual inductor secondary side polar end, a current mutual inductor secondary side non-polar end, a DC current gauge, a charging port and a test switch; the aluminum alloy shockproof box is partitioned into four areas; the current mutual inductor first side positive connecting terminal and the current mutual inductor negative first side connecting terminal are positioned on the upper-left part of the aluminum alloy shockproof box; the current mutual inductor secondary side polar end and the current mutual inductor secondary side non-polar end are positioned on the upper right part of the aluminum alloy shockproof box; the charging port and the test switch are positioned on the lower-left part of the aluminum alloy box; the lithium battery is internally positioned on the lower-left part of the shockproof box; the DC current gauge is positioned on the lower-right part of the aluminum alloy box; and the aluminum alloy shockproof box is lined with foam. The lithium battery current transformer polarity determination instrument avoids the condition that the battery power is low because of long time storage and frequent usage.
Description
Technical field
The utility model relates to power test field, particularly, relates to lithium battery current transformer polarity judgement instrument.
Background technology
current transformer is widely used in high-low pressure electrical network; become indispensable electrical equipment in electric system; before carrying and before and after keeping in repair, all should carry out to it judgement of polarity; polarity is mistaken when the wiring avoiding; cause the reaction mistake of protective relaying device, cannot be correct measure.The method of traditional measurement polarity is all to pass through dry cell power supply, dry cell is placed lower voltage for a long time, cannot use at the scene, be difficult for buying in time, be exactly in the method for traditional measurement polarity, to need to use pointer multimeter (DC ammeter) very easily damage in transportation and use procedure in addition, be difficult to long-term keeping.And the instrument of traditional measurement polarity does not possess shockproof, moistureproof function, is unfavorable for its transportation and deposits, and reduces its serviceable life.In addition, when using night, be also unfavorable for observing the reading situation of change of reometer.
Utility model content
Technical problem to be solved in the utility model is to provide a kind of lithium battery current transformer polarity judgement instrument, the use of can repeatedly charging of this device, avoided conventional dry cell batteries due to long-term storage and frequently used causing the situation of electric weight deficiency to occur, possess shockproof, moistureproof function, conveniently transport and deposit, extending its serviceable life, facilitating use night.
The technical scheme in the invention for solving the above technical problem is: lithium battery current transformer polarity judgement instrument, comprise aluminium alloy shockproof box, the positive and negative connection terminal of current transformer primary side, Current Transformer Secondary side polar end and non-polar end, DC ammeter, charge port and test switch, described aluminium alloy shockproof box is divided into four regions, the positive and negative connection terminal of current transformer primary side is positioned at the upper left side of aluminium alloy shockproof box, Current Transformer Secondary side polar end and non-polar end are positioned at the upper right side of aluminium alloy shockproof box, charge port and test switch are positioned at the lower left of aluminium alloy shockproof box, inside, lower left at aluminium alloy shockproof box arranges lithium battery, DC ammeter is positioned at the lower right of aluminium alloy shockproof box, described aluminium alloy shockproof box liner foam, the described positive and negative connection terminal of current transformer primary side connects respectively the both positive and negative polarity of lithium battery, test switch is connected between the positive connection terminal of anodal summation current transformer primary side of lithium battery, and the both positive and negative polarity of DC ammeter connects respectively Current Transformer Secondary side polar end and non-polar end.The lithium battery use of can repeatedly charging; avoided conventional dry cell batteries due to long-term storage and frequently used causing the situation of electric weight deficiency to occur; aluminium alloy shockproof box consists of aluminum alloy casing and foam inner liner; possess shockproof; moistureproof function; transporting and depositing and play certain protective effect, extend its serviceable life.Aluminium alloy shockproof box is divided into four regions, and all parts is positioned at different regions, interconnects, and is independent of each other, and structure is compacter, is convenient to later maintenance management.
Described DC meter periphery is provided with layer of fluorescent powder.Fluorescent powder can emit beam, and can better observe the situation of change of electric current in DC ammeter when using night, judges fast and accurately the polarity of current transformer.
Described charge port is aimed at the lithium battery in aluminium alloy shockproof box, is rectangle structure.Conveniently lithium battery is discharged and recharged to operation.
The positive and negative connection terminal of described current transformer primary side is set to rectangle.Be convenient to observe and carry out line operation.
Described Current Transformer Secondary side polar end and non-polar end are all set to rectangle.Be convenient to observe and carry out line operation.
To sum up, the beneficial effects of the utility model are:
1, the lithium battery use of can repeatedly charging; avoided conventional dry cell batteries due to long-term storage and frequently used causing the situation of electric weight deficiency to occur; aluminium alloy shockproof box consists of aluminum alloy casing and foam inner liner; possess shockproof; moistureproof function; transporting and depositing and play certain protective effect, extend its serviceable life.
2, fluorescent powder can emit beam, and can better observe the situation of change of electric current in DC ammeter when using night, judges fast and accurately the polarity of current transformer.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model.
Mark and corresponding parts title in accompanying drawing: 1, aluminium alloy shockproof box; 2, the positive connection terminal of current transformer primary side; 3, the negative connection terminal of current transformer primary side; 4, Current Transformer Secondary side polar end; 5, Current Transformer Secondary side non-polar end; 6, DC ammeter; 7, charge port; 8, test switch.
Embodiment
Below in conjunction with embodiment and accompanying drawing, the utility model is done to detailed description further, but embodiment of the present utility model is not limited to this.
Embodiment 1:
The utility model comprises aluminium alloy shockproof box 1, the positive and negative connection terminal of current transformer primary side, Current Transformer Secondary side polar end and non-polar end, DC ammeter 6, charge port 7 and test switch 8, described aluminium alloy shockproof box 1 is divided into four regions, the positive and negative connection terminal of current transformer primary side is positioned at the upper left side of aluminium alloy shockproof box 1, Current Transformer Secondary side polar end and non-polar end are positioned at the upper right side of aluminium alloy shockproof box 1, charge port 7 and test switch 8 are positioned at the lower left of aluminium alloy shockproof box 1, inside, lower left at aluminium alloy shockproof box 1 arranges lithium battery, DC ammeter 6 is positioned at the lower right of aluminium alloy shockproof box 1, described aluminium alloy shockproof box 1 liner foam, the described positive and negative connection terminal of current transformer primary side connects respectively the both positive and negative polarity of lithium battery, test switch 8 is connected between the positive connection terminal of anodal summation current transformer primary side of lithium battery, and the both positive and negative polarity of DC ammeter 6 connects respectively Current Transformer Secondary side polar end and non-polar end.
The using method of this device is with now device used is similar on the market.The lithium battery use of can repeatedly charging; avoided conventional dry cell batteries due to long-term storage and frequently used causing the situation of electric weight deficiency to occur; aluminium alloy shockproof box consists of aluminum alloy casing and foam inner liner; possess shockproof; moistureproof function; transporting and depositing and play certain protective effect, extend its serviceable life.Aluminium alloy shockproof box is divided into four regions, and all parts is positioned at different regions, interconnects, and is independent of each other, and structure is compacter, is convenient to later maintenance management.
Embodiment 2:
Preferably concrete structure is as follows on the basis of embodiment 1 for the present embodiment: described DC meter 6 peripheries are provided with layer of fluorescent powder.Fluorescent powder can emit beam, and can better observe the situation of change of electric current in DC ammeter when using night, judges fast and accurately the polarity of current transformer.
Embodiment 3:
Preferably concrete structure is as follows on the basis of above-described embodiment for the present embodiment: the lithium battery that described charge port 7 is aimed in aluminium alloy shockproof box 2 is rectangle structure.Conveniently lithium battery is discharged and recharged to operation.
The positive and negative connection terminal of described current transformer primary side is set to rectangle.
Described Current Transformer Secondary side polar end and non-polar end are all set to rectangle.Be convenient to observe and carry out line operation.
The above; it is only preferred embodiment of the present utility model; not the utility model is done to any pro forma restriction, any simple modification, equivalent variations that every foundation technical spirit of the present utility model is done above embodiment, within all falling into protection domain of the present utility model.
Claims (5)
1. lithium battery current transformer polarity judges instrument, it is characterized in that, comprise aluminium alloy shockproof box (1), the positive and negative connection terminal of current transformer primary side, Current Transformer Secondary side polar end and non-polar end, DC ammeter (6), charge port (7) and test switch (8), described aluminium alloy shockproof box (1) is divided into four regions, the positive and negative connection terminal of current transformer primary side is positioned at the upper left side of aluminium alloy shockproof box (1), Current Transformer Secondary side polar end and non-polar end are positioned at the upper right side of aluminium alloy shockproof box (1), charge port (7) and test switch (8) are positioned at the lower left of aluminium alloy shockproof box (1), inside, lower left at aluminium alloy shockproof box (1) arranges lithium battery, DC ammeter (6) is positioned at the lower right of aluminium alloy shockproof box (1), described aluminium alloy shockproof box (1) liner foam, the described positive and negative connection terminal of current transformer primary side connects respectively the both positive and negative polarity of lithium battery, test switch (8) is connected between the positive connection terminal of anodal summation current transformer primary side of lithium battery, and the both positive and negative polarity of DC ammeter (6) connects respectively Current Transformer Secondary side polar end and non-polar end.
2. lithium battery current transformer polarity judgement instrument according to claim 1, is characterized in that, described DC meter (6) periphery is provided with layer of fluorescent powder.
3. lithium battery current transformer polarity judgement instrument according to claim 1, is characterized in that, described charge port (7) is aimed at the lithium battery in aluminium alloy shockproof box (2), is rectangle structure.
4. lithium battery current transformer polarity judgement instrument according to claim 1, is characterized in that, the positive and negative connection terminal of described current transformer primary side is set to rectangle.
5. lithium battery current transformer polarity judgement instrument according to claim 1, is characterized in that, described Current Transformer Secondary side polar end and non-polar end are all set to rectangle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420239357.0U CN203825141U (en) | 2014-05-12 | 2014-05-12 | Lithium battery current mutual inductor polarity determination instrument |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420239357.0U CN203825141U (en) | 2014-05-12 | 2014-05-12 | Lithium battery current mutual inductor polarity determination instrument |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203825141U true CN203825141U (en) | 2014-09-10 |
Family
ID=51480623
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420239357.0U Expired - Fee Related CN203825141U (en) | 2014-05-12 | 2014-05-12 | Lithium battery current mutual inductor polarity determination instrument |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203825141U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103954882A (en) * | 2014-05-12 | 2014-07-30 | 国家电网公司 | Current transformer polarity judgment instrument with lithium battery |
| CN105842579A (en) * | 2016-05-31 | 2016-08-10 | 国网青海省电力公司西宁供电公司 | Portable current transformer polarity tester |
-
2014
- 2014-05-12 CN CN201420239357.0U patent/CN203825141U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103954882A (en) * | 2014-05-12 | 2014-07-30 | 国家电网公司 | Current transformer polarity judgment instrument with lithium battery |
| CN105842579A (en) * | 2016-05-31 | 2016-08-10 | 国网青海省电力公司西宁供电公司 | Portable current transformer polarity tester |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| 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: 20140910 Termination date: 20200512 |