CN209514909U - Metering device wiring judges training and examination device - Google Patents
Metering device wiring judges training and examination device Download PDFInfo
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- CN209514909U CN209514909U CN201822076793.1U CN201822076793U CN209514909U CN 209514909 U CN209514909 U CN 209514909U CN 201822076793 U CN201822076793 U CN 201822076793U CN 209514909 U CN209514909 U CN 209514909U
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- adjuster
- intelligent meter
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Abstract
The utility model is suitable for teaching aid design field, it provides a kind of metering device wiring and judges training and examination device, including insulated case, and the intelligent meter, the first terminals, the second terminals, third terminals, the 4th terminals, the 5th terminals, the 6th terminals, the 7th terminals, the 8th terminals, the first mutual inductor, the second mutual inductor, third mutual inductor, the first adjuster, the second adjuster and the third adjuster that are mounted in insulated case.This device analog scene, student carry out the study and accident analysis judgement that live line measurement carries out the judgement of mutual inductor multiplying power.
Description
Technical field
The utility model belongs to teaching aid design field more particularly to a kind of metering device wiring judges that training and examination fills
It sets.
Background technique
Mutual inductor is also known as instrument transformer, is the general designation of current transformer and voltage transformer.High voltage can be become
Low-voltage, high current become low current, for measuring or protecting system.Its function mainly by high voltage or high current in proportion
Be transformed into normal low voltage or standard small electric current, so as to realize measuring instrumentss, protection equipment and automatic control equipment standardization,
Miniaturization.Mutual inductor may further be used to separate high-voltage system simultaneously, to guarantee the safety of the person and equipment.
Electric energy tariff is usually that phase line is passed through mutual inductor at present, and ammeter is connected with mutual inductor, then according to mutual inductor
Multiplying power and the registration difference of ammeter carry out charging, and the multiplying power of mutual inductor usually has mark in the famous brand on surface, but when having duration
Between use mutual inductor, cause famous brand breakage that can not carry out the lookup of information, it is therefore desirable to work about electric power personnel carry out mutual inductor
The training of multiplying power judgement.But there is presently no the training aid of mutual inductor multiplying power judgement, it is unable to satisfy existing mutual inductor multiplying power
The training request of judgement.
Utility model content
In view of this, the utility model embodiment, which provides a kind of metering device wiring, judges training and examination device, with solution
Certainly cause to learn the low problem of mutual inductor multiplying power test judging efficiency without corresponding teaching aid in the prior art.
In order to solve the above technical problems, technical solution adopted in the utility model is: a kind of metering device wiring judgement
Training and examination device, including insulated case, and the intelligent meter, the first terminals, the second terminals, third that are mounted in insulated case
Terminals, the 4th terminals, the 5th terminals, the 6th terminals, the 7th terminals, the 8th terminals, the first mutual inductor, second
Mutual inductor, third mutual inductor, the first adjuster, the second adjuster and third adjuster；
First terminals are connected with the A phase line of external power supply, and the B phase line of second terminals and external power supply connects
It connects, the third terminals are connected with the C phase line of external power supply, and the 4th terminals are connected with the N phase line of external power supply, institute
It states the first terminals and is separately connected the 5th terminals and the intelligent meter, second terminals are separately connected the described 6th
Terminals and intelligent meter, the third terminals are separately connected the 7th terminals and intelligent meter, the 4th terminals point
The 8th terminals and intelligent meter are not connected, and the conducting wire connected between first terminals and the 5th terminals passes through
First mutual inductor, the conducting wire connected between second terminals and the 6th terminals pass through the second mutual inductor, connect institute
The conducting wire stated between third terminals and the 7th terminals passes through third mutual inductor, first mutual inductor, described second
The control terminal of mutual inductor and the third mutual inductor is all connected with the intelligent meter, and the 5th terminals connection described first is adjusted
One end of device, the 6th terminals connect one end of second adjuster, and the 7th terminals connect the third tune
Save device one end, the other end of first adjuster, the other end of second adjuster, the third adjuster it is another
End and the 8th terminals are separately connected external loading.
Further, first adjuster, second adjuster and the third adjuster are that stepless time adjustment is opened
It closes.
Further, metering device wiring judges that training and examination device further includes bracket, and the insulated case is fixedly mounted on
On the bracket.
Further, metering device wiring judges that training and examination device further includes universal wheel, and the universal wheel is mounted on institute
It states on bracket.
Further, metering device wiring judges that training and examination device further includes instrument cases, and the instrument cases are fixedly mounted
On the bracket.
Further, metering device wiring judges that training and examination device further includes breaker, and the breaker is mounted on institute
It states in insulated case, the input terminal of the breaker is separately connected A phase line, B phase line, C phase line and the N phase line of external power supply, described
The output end of breaker is separately connected first terminals, second terminals, the third terminals and the described 4th
Terminals.
Further, metering device wiring judges that training and examination device further includes combined connection box, the combined connection box
It is fixedly mounted in the insulated case, first terminals, second terminals, the third terminals, the described 4th
Terminals, first mutual inductor, second mutual inductor and the third mutual inductor are separately connected the combined connection box one
The terminals of side, the intelligent meter connect the terminals of the combined connection box other side.
Further, the intelligent meter is that three-phase and four-line takes control intelligent electric energy meter.
The beneficial effects of adopting the technical scheme are that the utility model is sentenced by designing metering device wiring
Disconnected training and examination device, including insulated case and the intelligent meter, the first terminals, the second terminals, third that are mounted in insulated case
Terminals, the 4th terminals, the 5th terminals, the 6th terminals, the 7th terminals, the 8th terminals, the first mutual inductor, second
Mutual inductor, third mutual inductor, the first adjuster, the second adjuster and third adjuster；The A phase of first terminals and external power supply
Line connection, the second terminals are connected with the B phase line of external power supply, and third terminals are connected with the C phase line of external power supply, and the 4th connects
Line end is connected with the N phase line of external power supply, and the first terminals are separately connected the 5th terminals and intelligent meter, the second terminals difference
The 6th terminals and intelligent meter are connected, third terminals are separately connected the 7th terminals and intelligent meter, and the 4th terminals connect respectively
The 8th terminals and intelligent meter are connect, the conducting wire between the first terminals and the 5th terminals is connected and passes through the first mutual inductor, connection
Conducting wire between second terminals and the 6th terminals passes through the second mutual inductor, connects between third terminals and the 7th terminals
Conducting wire pass through third mutual inductor, the control terminal of the first mutual inductor, the second mutual inductor and third mutual inductor is all connected with intelligent meter, the
Five terminals connect one end of the first adjuster, and the 6th terminals connect one end of the second adjuster, the 7th terminals connection the
One end of three adjusters, the other end of the first adjuster, the other end of the second adjuster, the other end of third adjuster and the 8th
Terminals are separately connected external loading.After device is completed to connect, by adjusting the first adjuster, the second adjuster or third tune
Section device realization is adjusted size of current in phase line, realizes real scene simulation, and student carries out live line measurement and observation intelligence
The degree of table carries out the analytical judgment of mutual inductor multiplying power.This device analog scene, student carry out live line measurement and carry out mutual inductor times
The study of rate judgement, improves learning efficiency.
Detailed description of the invention
It, below will be to embodiment or the prior art in order to illustrate more clearly of the technical scheme in the embodiment of the utility model
Attached drawing needed in description is briefly described, it should be apparent that, the accompanying drawings in the following description is only that this is practical new
Some embodiments of type for those of ordinary skill in the art without any creative labor, can be with
It obtains other drawings based on these drawings.
Fig. 1 is the structural schematic diagram that metering device wiring provided by the embodiment of the utility model judges training and examination device；
Fig. 2 is the connection figure that metering device wiring provided by the embodiment of the utility model judges training and examination device.
In figure: 1, insulated case；2, the first terminals；3, the second terminals；4, third terminals；5, the 4th terminals；6,
5th terminals；7, the 6th terminals；8, the 7th terminals；9, the 8th terminals；10, intelligent meter；11, the first mutual inductor；12,
Second mutual inductor；13, third mutual inductor；14, the first adjuster；15, the second adjuster；16, third adjuster；17, bracket；
18, universal wheel.
Specific embodiment
In being described below, for illustration and not for limitation, the tool of such as particular system structure, technology etc is proposed
Body details, to understand thoroughly the utility model embodiment.However, it will be clear to one skilled in the art that there is no these
The utility model also may be implemented in the other embodiments of detail.In other situations, omit to well-known system,
The detailed description of apparatus, circuit and method, in case unnecessary details interferes the description of the utility model.
In order to illustrate technical solution described in the utility model, the following is a description of specific embodiments.
As depicted in figs. 1 and 2, metering device wiring judges training and examination device, including insulated case 1 and is mounted on insulated case
Intelligent meter 10, the first terminals 2, the second terminals 3, third terminals 4, the 4th terminals 5, the 5th terminals 6 on 1,
Six terminals 7, the 7th terminals 8, the 8th terminals 9, the first mutual inductor 11, the second mutual inductor 12, third mutual inductor 13, first
Adjuster 14, the second adjuster 15 and third adjuster 16；First terminals 2 are connected with the A phase line of external power supply, and second connects
Line end 3 is connected with the B phase line of external power supply, and third terminals 4 are connected with the C phase line of external power supply, the 4th terminals 5 and outer
The N phase line of portion's power supply connects, and the first terminals 2 are separately connected the 5th terminals 6 and intelligent meter 10, and the second terminals 3 connect respectively
The 6th terminals 7 and intelligent meter 10 are connect, third terminals 4 are separately connected the 7th terminals 8 and intelligent meter 10, the 4th terminals 5
It is separately connected the 8th terminals 9 and intelligent meter 10, the conducting wire connected between the first terminals 2 and the 5th terminals 6 passes through first
Mutual inductor 11, the conducting wire connected between the second terminals 3 and the 6th terminals 7 pass through the second mutual inductor 12, connect third wiring
Conducting wire between end 4 and the 7th terminals 8 passes through third mutual inductor 13, and the first mutual inductor 11, the second mutual inductor 12 and third are mutual
The control terminal of sensor 13 is all connected with intelligent meter 10, and the 5th terminals 6 connect one end of the first adjuster 14, and the 6th terminals 7 connect
Connecing one end of the second adjuster 15, the 7th terminals 8 connect one end of third adjuster 16, the other end of the first adjuster 14,
The other end of second adjuster 15, the other end of third adjuster 16 and the 8th terminals 9 are separately connected external loading.
The present apparatus is with the following functions:
(1) student is improved to ammeter, mutual inductor and load concatenation ability, in advance removes the connecting line of device upper-part,
It allows student to do it yourself to be attached, student can be made to carry out the practice of wiring in this manner, while can also connect to student
Line ability is examined.
(2) student's trouble shoot ability is improved, the component on device is subjected to one or more false wirings in advance, then
It allows student to carry out fault point lookup by measurement and corrects, class improves student's trouble shoot ability in this manner.
(3) it improves student and judgement is tested to mutual inductor multiplying power, component each on device is correctly connected in advance, passes through tune
Saving the first adjuster 14, the second adjuster 15 or third adjuster 16 changes the circuit in circuit, and student is by repeatedly measuring
The parameter of various needs finally calculates the multiplying power of mutual inductor on device, improves student in this manner and judges mutual inductor times
The ability of rate.
In one embodiment of the utility model, the first adjuster 14, the second adjuster 15 and third adjuster 16 are
Stepless speed-regulating switch.Stepless speed-regulating switch can carry out successional change to electric current in circuit, may be implemented to electric in circuit
Stream is varied multiple times, and can test the multiplying power that multi-group data finally calculates mutual inductor during the test convenient for student.
In one embodiment of the utility model, metering device wiring judges that training and examination device further includes bracket 17, absolutely
Edge case 1 is fixedly mounted on bracket 17, further includes universal wheel 18, and universal wheel 18 is mounted on bracket 17.
It is convenient for the disassembly and movement of device, the applicability of enhancement device by designing.
In one embodiment of the utility model, metering device wiring judges that training and examination device further includes instrument cases, work
Tool box is fixedly mounted on bracket 17.In use, the tool used when can be by test is placed in instrument cases, so just
It is more convenient when taking in being centrally placed for tool.
In one embodiment of the utility model, metering device wiring judges that training and examination device further includes breaker, breaks
Road device is mounted in insulated case 1, and the input terminal of breaker is separately connected A phase line, B phase line, C phase line and the N phase of external power supply
Line, the output end of breaker are separately connected the first terminals 2, the second terminals 3, third terminals 4 and the 4th terminals 5.
The safety that device uses can be improved in such design, and when chance failure occurs, (such as short circuit, electric current increases suddenly
Deng) when, breaker carries out tripping power-off, and protection intelligent meter 10 and load are not damaged, while also functioning to protection user's person
The effect of safety.
In one embodiment of the utility model, metering device wiring judges that training and examination device further includes joint wiring
Box, combined connection box are fixedly mounted in insulated case 1, the first terminals 2, the second terminals 3, third terminals 4, the 4th wiring
The 5, first mutual inductor 11 of end, the second mutual inductor 12 and third mutual inductor 13 are separately connected the terminals of combined connection box side, intelligence
Energy table 10 connects the terminals of the combined connection box other side.
Setting combined connection box is attached when playing wiring between the parts by combined connection box, in this manner
Can make on device wiring orderly, it is not mixed and disorderly, be user-friendly for wiring.
In one embodiment of the utility model, intelligent meter 10 is that three-phase and four-line takes control intelligent electric energy meter.
Embodiment described above is only to illustrate the technical solution of the utility model, rather than its limitations；Although referring to before
Embodiment is stated the utility model is described in detail, those skilled in the art should understand that: it still can be with
It modifies the technical solutions described in the foregoing embodiments or equivalent replacement of some of the technical features；And
These are modified or replaceed, the spirit for various embodiments of the utility model technical solution that it does not separate the essence of the corresponding technical solution
And range, it should be included within the scope of protection of this utility model.
Claims (8)
1. a kind of metering device wiring judges training and examination device, which is characterized in that including insulated case, and be mounted on insulated case
On intelligent meter, the first terminals, the second terminals, third terminals, the 4th terminals, the 5th terminals, the 6th terminals,
7th terminals, the 8th terminals, the first mutual inductor, the second mutual inductor, third mutual inductor, the first adjuster, the second adjuster
With third adjuster；
First terminals are connected with the A phase line of external power supply, and second terminals are connected with the B phase line of external power supply,
The third terminals are connected with the C phase line of external power supply, and the 4th terminals are connected with the N phase line of external power supply, described
First terminals are separately connected the 5th terminals and the intelligent meter, and second terminals are separately connected the described 6th and connect
Line end and intelligent meter, the third terminals are separately connected the 7th terminals and intelligent meter, the 4th terminals difference
It connects the 8th terminals and intelligent meter, connects the conducting wire between first terminals and the 5th terminals and pass through the
One mutual inductor connects the conducting wire between second terminals and the 6th terminals and passes through the second mutual inductor, described in connection
Conducting wire between third terminals and the 7th terminals passes through third mutual inductor, and first mutual inductor, described second are mutually
The control terminal of sensor and the third mutual inductor is all connected with the intelligent meter, and the 5th terminals connect first adjuster
One end, the 6th terminals connect one end of second adjuster, and the 7th terminals connect the third and adjust
One end of device, the other end of first adjuster, the other end of second adjuster, the third adjuster the other end
External loading is separately connected with the 8th terminals.
2. metering device wiring according to claim 1 judges training and examination device, which is characterized in that described first is adjusted
Device, second adjuster and the third adjuster are stepless speed-regulating switch.
3. metering device wiring according to claim 1 judges training and examination device, which is characterized in that it further include bracket,
The insulated case is fixedly mounted on the bracket.
4. metering device wiring according to claim 3 judges training and examination device, which is characterized in that further include universal
Wheel, the universal wheel installation is on the bracket.
5. metering device wiring according to claim 3 judges training and examination device, which is characterized in that further include tool
Box, the instrument cases are fixedly mounted on the bracket.
6. metering device wiring according to claim 1 judges training and examination device, which is characterized in that further include open circuit
Device, the breaker are mounted in the insulated case, and the input terminal of the breaker is separately connected the A phase line of external power supply, B phase
Line, C phase line and N phase line, the output end of the breaker are separately connected first terminals, second terminals, described
Third terminals and the 4th terminals.
7. metering device wiring according to claim 1 judges training and examination device, which is characterized in that further include combining to connect
Wire box, the combined connection box are fixedly mounted in the insulated case, first terminals, second terminals, described
Third terminals, the 4th terminals, first mutual inductor, second mutual inductor and the third mutual inductor connect respectively
The terminals of the combined connection box side are connect, the intelligent meter connects the terminals of the combined connection box other side.
8. metering device wiring according to claim 1 judges training and examination device, which is characterized in that the intelligent meter is
Three-phase and four-line takes control intelligent electric energy meter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822076793.1U CN209514909U (en) | 2018-12-11 | 2018-12-11 | Metering device wiring judges training and examination device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822076793.1U CN209514909U (en) | 2018-12-11 | 2018-12-11 | Metering device wiring judges training and examination device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209514909U true CN209514909U (en) | 2019-10-18 |
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ID=68194042
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201822076793.1U Active CN209514909U (en) | 2018-12-11 | 2018-12-11 | Metering device wiring judges training and examination device |
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| CN (1) | CN209514909U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112102692A (en) * | 2020-09-04 | 2020-12-18 | 广东电网有限责任公司 | Suspension type fault simulation training box |
-
2018
- 2018-12-11 CN CN201822076793.1U patent/CN209514909U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112102692A (en) * | 2020-09-04 | 2020-12-18 | 广东电网有限责任公司 | Suspension type fault simulation training box |
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