CN107492291A - A kind of load condition analogue means - Google Patents
A kind of load condition analogue means Download PDFInfo
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- CN107492291A CN107492291A CN201710959370.1A CN201710959370A CN107492291A CN 107492291 A CN107492291 A CN 107492291A CN 201710959370 A CN201710959370 A CN 201710959370A CN 107492291 A CN107492291 A CN 107492291A
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- load
- load condition
- electrothermal tube
- switch
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- 239000004020 conductor Substances 0.000 claims description 17
- 230000007935 neutral effect Effects 0.000 claims description 17
- 230000003447 ipsilateral effect Effects 0.000 claims 1
- 238000012549 training Methods 0.000 abstract description 12
- 238000012423 maintenance Methods 0.000 abstract description 7
- 230000005611 electricity Effects 0.000 abstract description 4
- 230000005540 biological transmission Effects 0.000 abstract 1
- 238000010276 construction Methods 0.000 abstract 1
- 238000004088 simulation Methods 0.000 description 5
- 230000002354 daily effect Effects 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000003203 everyday effect Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000013021 overheating Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09B—EDUCATIONAL OR DEMONSTRATION APPLIANCES; APPLIANCES FOR TEACHING, OR COMMUNICATING WITH, THE BLIND, DEAF OR MUTE; MODELS; PLANETARIA; GLOBES; MAPS; DIAGRAMS
- G09B23/00—Models for scientific, medical, or mathematical purposes, e.g. full-sized devices for demonstration purposes
- G09B23/06—Models for scientific, medical, or mathematical purposes, e.g. full-sized devices for demonstration purposes for physics
- G09B23/18—Models for scientific, medical, or mathematical purposes, e.g. full-sized devices for demonstration purposes for physics for electricity or magnetism
- G09B23/183—Models for scientific, medical, or mathematical purposes, e.g. full-sized devices for demonstration purposes for physics for electricity or magnetism for circuits
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- General Physics & Mathematics (AREA)
- Physics & Mathematics (AREA)
- Mathematical Physics (AREA)
- Mathematical Analysis (AREA)
- Mathematical Optimization (AREA)
- Algebra (AREA)
- Pure & Applied Mathematics (AREA)
- Educational Administration (AREA)
- Computational Mathematics (AREA)
- Business, Economics & Management (AREA)
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Abstract
The present invention relates to a kind of load condition analogue means, including a load condition analog circuit, the load condition of the three-phase electricity of common low-voltage electricity transmission line is reappeared, the training for power network operation maintenance personnel is checked and rated.The circuit includes three-phase and four-line, electrothermal tube switch, electrothermal tube, external on-load switch and external load interface.Teacher operates multiple electrical appliance switches, shows a variety of load conditions by accessing external equipment；Student reads current data, the anti-load condition released teacher and showed using split-core type meter.It is an advantage of the current invention that the load condition analogue means is simple in construction, easy to operation, the efficiency of the daily training examination of increase operation maintenance personnel.
Description
Technical field
The present invention relates to power domain, more particularly, to a kind of load condition analogue means.
Background technology
As one layer closest to user in power system, low-voltage circuit directly docks with the load of user, now with
Increasing for household electrical appliance, the electricity consumption situation of user becomes increasingly complex, and the growth of load can to increase by the electric current of wire
Greatly, cause conductor overheating, even can burn wire after electric current exceedes the rated value of wire, how cause low-voltage customer to have a power failure
The accurate load condition for detecting user ensures that the normal operation of circuit is most important for operation maintenance personnel.
Existing load condition detection training uses the form of on-the-spot teaching, and operation maintenance personnel needs to enter into specified scene
Row unified explanation and operation, this training are limited by place, and development difficulty is big, and the training time is short, load condition simulation
Situation it is few, result of training is difficult to ensure that.Therefore, the present invention proposes a kind of easy device for simulating a variety of load conditions, improves
The efficiency of operation maintenance personnel training.
The content of the invention
The present invention is to overcome inconvenience and the simulation load of the daily training of operation maintenance personnel and examination described in above-mentioned prior art
A kind of unicity of situation, there is provided load condition analogue means for simulating Various Complex load condition.
In order to solve the above technical problems, technical scheme is as follows：
A kind of load condition analogue means, including：One cabinet and mounted in can enclosures body burden situation analog circuit,
It includes some electrothermal tubes and its identical electrothermal tube of quantity switchs, external load interface, external on-load switch, A phase lines, B phase lines,
C phase lines, the neutral conductor；An electrothermal tube and an electrothermal tube switch are all connected with A, B, C phase line in each phase, wherein electricity
One end of heat pipe is connected with phase line, and the other end is connected on the neutral conductor through electrothermal tube switch；One end of the external load interface
It is connected with any one phase line in A, B, C phase line, the other end is connected to the neutral conductor through external on-load switch.
Controlled by electrical appliance, phase line and neutral lines matching, and by corresponding independent switch, a variety of electrical appliances can be set out
Service condition, and then simulate the load condition of a variety of circuits.
By way of series connection, electrical appliance is connected with phase line, it is peculiar in conventional low voltage three-phase line that equipment can be simulated
Load characteristic.
Preferably, so that in training and examination, trainee can not directly be observed by circuit mechanism and understand load feelings
Condition, the load condition analog circuit is placed on one can be in enclosures body.
Preferably, electrical appliance is controlled in order to facilitate start-up, simulates a variety of load conditions, the electrothermal tube switch, institute
State external on-load switch, the power switch all extends the side for the outside that can close cabinet.
Preferably, in order that trainee reads the current data of phase line, the A phase lines, B phase lines, C phase lines by split-core type meter
The opening of cabinet can be closed by extending with the neutral conductor by the end of a thread.
Compared with prior art, the beneficial effect of technical solution of the present invention is：
Using conventional triple line circuit, different electrical appliances is accessed to different phase lines, a variety of load feelings can be simulated
Condition, cabinet is closed using with open space, circuit is placed in one, towards setting switch and extend phase line in difference,
Start-up's operation circuit switch simulation load condition, the current data of trainee's reading phase line is counter to release load condition, really
Protect the quality and validity of training and examination.
It will can be used by identical method or similar method for the feature of a kind of embodiment introduction and/or illustration
In one or more other embodiments, and the feature of other embodiment is combined or the spy of substitution other embodiment
Sign.
It is emphasized that the term " comprising " used in this specification is used to point out described feature, important document, step or group
The presence of part, but be not precluded from the presence of one or more further features, important document, step, component or combinations thereof or add
Add.
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 required accompanying drawing used 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, on the premise of not paying creative work, can be with
Other accompanying drawings are obtained according to these accompanying drawings.
Fig. 1 is load condition analog circuit schematic diagram of the present invention；
1 represents the first electrothermal tube switch, and 2 represent the second electrothermal tube switch, and 3 represent the 3rd electrothermal tube switch, and 4 represent first
Electrothermal tube, 5 represent the second electrothermal tube, and 6 represent the 3rd electrothermal tube, and 7 represent external load interface, and 8 represent external on-load switch, and 9
A phase lines are represented, 10 represent B phase lines, and 11 represent C phase lines, and 12 represent the neutral conductor, and 13 represent power switch, and 14 represent AC power,
15 representatives can close cabinet, and 16 representatives can close cabinet opening.
Embodiment
Accompanying drawing being given for example only property explanation, it is impossible to be interpreted as the limitation to this patent；
In order to more preferably illustrate the present embodiment, some parts of accompanying drawing have omission, zoomed in or out, and do not represent actual product
Size；
To those skilled in the art, it is to be appreciated that some known features and its explanation, which may be omitted, in accompanying drawing
's.Technical scheme is described further with reference to the accompanying drawings and examples.
Embodiment
Fig. 1 shows a kind of embodiment of the present invention.As shown in figure 1, load condition analogue means includes a cabinet 15
With a load condition analog circuit, including：A phase lines 9, B phase lines 10, C phase lines 11, the neutral conductor 12, several electrical appliances
And its identical electrical appliance switch of quantity.In order to more preferably illustrate the service condition of the present invention, the present embodiment uses 3 electrothermal tubes, the
The one end of one electrothermal tube 4 is connected with A phase lines 9, and the other end is connected by the first electrothermal tube switch 1 with the neutral conductor 12；First electrothermal tube 5
One end is connected with B phase lines 10, and the other end is connected by the first electrothermal tube switch 2 with the neutral conductor 12；The one end of first electrothermal tube 6 and C
Phase line 11 is connected, and the other end is connected by the first electrothermal tube switch 3 with the neutral conductor 12.The present embodiment also uses 1 external equipment,
C phase lines 11 are connected to by external load interface 7.Load condition circuit communication power supply 14, when power switch 13 closes, by A
The three-phase line that phase line 9, B phase lines 10, C phase lines 11 and the neutral conductor 12 form, can be considered user's low-voltage AC used in everyday
Road.
According to the circuit structure of the present embodiment, when 4 electrical appliance switches all close, produce 4 electrical appliances and use simultaneously
Load condition.According to another embodiment of the present embodiment, electrothermal tube switchs 1 folding, the closure of electrothermal tube switch 2, electrothermal tube
The closure of switch 3 and external on-load switch 8 close.Now, because electrothermal tube switch 1 and electrothermal tube 4 are series relationship, electrothermal tube 4
No power, therefore the actual electrical appliance for producing load is electrothermal tube 5, electrothermal tube 6 and the electrical appliance for connecting external load interface 7.
Load condition analog circuit is arranged on closing in cabinet 15 with fractional open space.It is noticeable
It is that observed by load condition analog circuit should not be in itself extraneous, the first electrothermal tube switchs the 1, second electrothermal tube switch 2, the
Three electrothermal tubes switch 3 and external on-load switch 8 are all arranged at the side for the outside that can close cabinet 15；Cabinet 15 can closed
Different from the another side of above-mentioned side, provided with opening, A phase lines 9, B phase lines 10, C phase lines 11 and the neutral conductor 12 is set to have the end of a thread
Extended out from cabinet opening 16 can be closed, for reading current value.
In the daily training and examination of operation maintenance personnel, start-up and trainee's dress of operational load situation simulation simultaneously
Put, start-up, which operates the first electrothermal tube on the device and switchs the 1, second electrothermal tube, switchs the 2, the 3rd electrothermal tube switch 3 and outer
On-load switch 8 is connect, different load conditions is set out according to teaching or examination demand；Trainee can close cabinet opening 16
Side, according to the content of teaching or examination, read in real time from A phase lines 9, B phase lines 10, C phase lines 11 and the neutral conductor 12 using split-core type meter
Current data, it is inferred to the situation that multiple electrical equipment of start-up's simulation use in multiple phase lines, completes daily training and examination
Task.
Same or analogous label corresponds to same or analogous part；
Obviously, the above embodiment of the present invention is only intended to clearly illustrate example of the present invention, and is not pair
The restriction of embodiments of the present invention.For those of ordinary skill in the field, may be used also on the basis of the above description
To make other changes in different forms.There is no necessity and possibility to exhaust all the enbodiments.It is all this
All any modification, equivalent and improvement made within the spirit and principle of invention etc., should be included in the claims in the present invention
Protection domain within.
Claims (5)
- A kind of 1. load condition analogue means, it is characterised in that including：One can close cabinet (15) and can close cabinet mounted in this (15) the load condition analog circuit in, the load condition analog circuit include some electrothermal tubes and its identical electrothermal tube of quantity Switch, external load interface (7), external on-load switch (8), A phase lines (9), B phase lines (10), C phase lines (11), the neutral conductor (12)；An electrothermal tube and an electrothermal tube switch, wherein the one of electrothermal tube are all connected with A, B, C phase line in each phase End is connected with phase line, and the other end is connected on the neutral conductor (12) through electrothermal tube switch；One end of the external load interface (7) is connected with any one phase line in A, B, C phase line, and the other end is opened through external load Close (8) and be connected to the neutral conductor (12).
- 2. load condition analog circuit according to claim 1, it is characterised in that the electrothermal tube switch, external load are opened Close (8) and power switch (13) is all disposed within the side for the outside that can close cabinet (15).
- 3. according to claim 1 or claim 2 close cabinet (15), it is characterised in that the cabinet (15) of closing is provided with One wire for being used for load condition analog circuit extends the opening (16) of cabinet.
- 4. load condition analog circuit according to claim 3, it is characterised in that the A phase lines (9), B phase lines (10), C phases What line (11) and the neutral conductor (12) extended closes cabinet opening (16).
- 5. cabinet (15) can be closed according to claim 3, it is described close cabinet (15) be provided with the electrothermal tube switch, The side of external on-load switch (8) and power switch (13) is in not ipsilateral with opening (16).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710959370.1A CN107492291A (en) | 2017-10-16 | 2017-10-16 | A kind of load condition analogue means |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710959370.1A CN107492291A (en) | 2017-10-16 | 2017-10-16 | A kind of load condition analogue means |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107492291A true CN107492291A (en) | 2017-12-19 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710959370.1A Pending CN107492291A (en) | 2017-10-16 | 2017-10-16 | A kind of load condition analogue means |
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| Country | Link |
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| CN (1) | CN107492291A (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102024363A (en) * | 2010-12-31 | 2011-04-20 | 郑州万特电气有限公司 | Simulated training system of load breaker |
| CN103345871A (en) * | 2013-07-16 | 2013-10-09 | 南京丹迪克科技开发有限公司 | Three-phase imbalance adjusting practical training device and using method thereof |
| CN105185202A (en) * | 2015-04-17 | 2015-12-23 | 国网甘肃省电力公司兰州供电公司 | Missort simulation device |
| CN208077472U (en) * | 2017-10-16 | 2018-11-09 | 广东电网有限责任公司佛山供电局 | A kind of load condition simulator |
-
2017
- 2017-10-16 CN CN201710959370.1A patent/CN107492291A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102024363A (en) * | 2010-12-31 | 2011-04-20 | 郑州万特电气有限公司 | Simulated training system of load breaker |
| CN103345871A (en) * | 2013-07-16 | 2013-10-09 | 南京丹迪克科技开发有限公司 | Three-phase imbalance adjusting practical training device and using method thereof |
| CN105185202A (en) * | 2015-04-17 | 2015-12-23 | 国网甘肃省电力公司兰州供电公司 | Missort simulation device |
| CN208077472U (en) * | 2017-10-16 | 2018-11-09 | 广东电网有限责任公司佛山供电局 | A kind of load condition simulator |
Non-Patent Citations (1)
| Title |
|---|
| 秦伟等: "《电路理论与电子技术基础》", 28 February 2017 * |
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Application publication date: 20171219 |