CN105513473A - Multifunctional electrotechnics and circuit experiment box - Google Patents
Multifunctional electrotechnics and circuit experiment box Download PDFInfo
- Publication number
- CN105513473A CN105513473A CN201610092812.2A CN201610092812A CN105513473A CN 105513473 A CN105513473 A CN 105513473A CN 201610092812 A CN201610092812 A CN 201610092812A CN 105513473 A CN105513473 A CN 105513473A
- Authority
- CN
- China
- Prior art keywords
- circuit
- experiment
- experiment box
- shell
- panel
- 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
Links
Classifications
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- 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)
- Educational Technology (AREA)
- Theoretical Computer Science (AREA)
- Instructional Devices (AREA)
Abstract
The invention discloses a multifunctional electrotechnics and circuit experiment box. An alternating current experiment box and a circuit experiment box in the prior art are integrated into the experiment box, and the multifunctional electrotechnics and circuit experiment box is internally provided with a three-phase electric transformer (BS), an electric power meter, an alternating current voltmeter, a direct current voltmeter, an alternating current ammeter, a direct current ammeter, a watt hour meter, a ballast (Z), an electronic ballast (ZD), a power source (5), a signal source (20) and the like; the multifunctional electrotechnics and circuit experiment box is externally provided with a lamp bracket (J), a fluorescent tube (3), a voltage regulator (T) and the like. Disconnected or connected wires are expressed through dot dash lines and solid lines in a circuit diagram with the positions corresponding to the positions of all entity circuit experiment units (19) on a panel respectively, and a part of the panel is made from organic glass plates. By means of the multifunctional electrotechnics and circuit experiment box, the defects that in the prior art, an electrotechnics experiment box and a circuit experiment box are used in a similar experiment box, an experiment circuit can not be changed, three-phase electric experiment voltage is high, electricity consumption is large, a load is inaccurate, the number of operating links and the number of design links of a student are small, and the experiment box is in a black box type are overcome. The multifunctional electrotechnics and circuit experiment box is common to the electrotechnics experiment course and the circuit experiment course, safe and convenient to use.
Description
Technical field
The present invention relates to a kind of experimental apparatus, especially a kind of Multi-function electrician circuit experiment box.
Background technology
Domestic each colleges and universities each specialty of science and engineering has " electrotechnics " or " circuit theory " experimental courses.Experimental apparatus wherein has the alternating circuit experimental box of Electrical Engineering Experiment for electricity of running business into strong one, and is used for doing the circuit theory experimental box of circuit theory course (or claiming circuit analysis course) light current experiment in addition.Alternating circuit experimental box, also referred to as Electrical Engineering Experiment case, generally can carry out the experimental projects such as three-phase alternating current experiment, daylight lamp experiment, Single Phase Transformer Experiment.But three-phase alternating current experimental voltage is very high, line voltage is up to 380V, very dangerous, and power consumption is also high, makes threephase load numerical value also out of true with bulb, and due to bulb volume cause greatly to take test panel area also many.Daylight lamp experimental circuit is also fixing, and only has Inductive ballast and without electric ballast, and this is unfavorable for manipulative ability and the scope of one's knowledge expansion of training student.And also have extra small power fluorescent tube on the market bad buy the damage fluorescent tube brought after not easily change the defect of fluorescent tube in time.The experiment such as transformer is also because transformer etc. is arranged in experimental box, and student can not see material object, can not get the perceptual knowledge of the experimental parts such as transformer.Circuit experiment box of the prior art, is all that each experimental considerations unit components and parts are arranged on back side of panel, and connects circuit with wire, then circuit diagram is printed on the relevant position corresponding with components and parts of panel front.But this experimental considerations unit circuit is fixing, inconvenient student designs and builds various different experimental circuit, and the utilization factor of components and parts utilization factor and instrument panel area is all low.Above-mentioned Electrical Engineering Experiment case and circuit theory experimental box, all can not the experimental project (experimental project that does of the specialty such as such as physics profession and electronics incomplete same but have intersect identical project) of complete independently electrotechnics or circuit theory course, carry out with above-mentioned two kinds of experimental boxs cooperation when carrying out experimental teaching, use inconvenience, also improve instrument total cost and experimental teaching funds expenditure.In addition, electrotechnics of the prior art or circuit experiment box, not electrified degree table insert experiment, be unfavorable for the manipulative ability of training student.
Summary of the invention
The object of this invention is to provide a kind of existing many Electrical Engineering Experiment projects, have many circuit theory experimental projects again, three-phase alternating current experimental voltage is safe voltage, experimental circuit can multiple combination, experiment apparatus can see, the easy to use and Multi-function electrician circuit experiment box of safety.
To achieve these goals, the present invention comprises one-phase power source plug 4, three-phase and four-line plug 1, shell 2.Experimental transformer B is installed in the inside of shell 2
c, ballast resistor Z, power supply 5.The erecting of panel A.C. voltmeter 15 of shell 2, A.C. voltmeter 16.Three-phase electricity transformer B is also installed in the inside of shell 2
s, electric ballast Z
d.Three-phase electricity transformer B
sinput end be connected by connector with three-phase and four-line plug 1.The panel of shell 2 is also installed the first electric power meter P
1, the second electric power meter P
2, threephase load resistance, gang socket 12, experiment electric capacity, 220V power output socket 10 and 11, D.C. voltmeter 13, DC ammeter 14, Experiment of Electrical Circuits unit 19, the panel of shell 2 is also installed each connector socket and jack 21 of being connected with inner each corresponding assembly installed.
Start link and being convenient to the non-trivial fluorescent-lamp tube easily purchased to increase student when testing, shell 2 and fluorescent tube 3, lamp bracket J, lamp base H, starter Q are that machinery is separated and carries out socket connection by plug wire.
In order to extended application experiment content, shell 2 is connected by being with sheath plug wire with single-phase voltage regulator T, watt-hour meter.
In order to allow student clearly see experiment components and parts, the subregion of the panel on shell 2 is that transparent plastic (organic glass) manufactures.
For the ease of the experiment line of student for Classic Experiments project, annexation to be connected and that connected between the components and parts of each Experiment of Electrical Circuits unit 19 is printed on the panel on shell 2 with dotted line and solid line respectively, and because the annexation between each components and parts is not fixed, composite design is facilitated to become other kinds of experiments circuit, a tractor serves several purposes.
In order to reduce volume, the present invention is set to Multiple coil the secondary winding of the power transformer in power supply 5 and is separated output.
In order to reduce costs, reduce volume, the model watt-hour meter that the present invention can adopt cost very low, one of model watt-hour meter and two, three and four, five and six, seven and eight link up with wire.
Because Electrical Engineering Experiment case of the prior art and circuit theory experimental box are incorporated into an experimental box by the present invention, a tractor serves several purposes, instrument uses and manages convenient, and saves experimental apparatus and purchase funds.Device such as fluorescent tube 3 grade is separated the structure of socket connection with shell 2 machinery, adds student resource and start the chance of connecting circuit all parts, experiment content and to increase and fluorescent tube is easy to buy and changes.The present invention with three-phase electricity transformer B
s, 220V, 380V high-tension electricity is reduced to safe voltage 22V, 38V, experiment safety and economize on electricity and voltage digital and be alikely convenient to student memory.Annexation to be connected and that connected between the components and parts of each Experiment of Electrical Circuits unit 19 is printed on the panel on shell 2 with dotted line and solid line respectively, model experiment circuit is very clear, be convenient to student experimenting line, and because the annexation between each components and parts is not fixed, composite design is facilitated to become other kinds of experiments circuit, overcome the single immutable drawback of experimental circuit being fixedly connected with relation between prior art like product components and parts and bringing, also save component number and take the area of instrument panel, be convenient to reduce instrument volume, reduce costs.Subregion due to the panel on shell 2 is transparent plastic manufacture, student can be allowed clearly to see Internal Experiment components and parts and construct, and what overcome that " black box " instrument brings makes student " unclear " phenomenon.From above-mentioned, the present invention have multi-functional, increase experiment fresh content and student's contrived experiment condition, improve manipulative ability, open student's outlook, safety and the advantage such as easy to use, an experimental box of the present invention just can adapt to electrician or the circuit theory experimental teaching demand of each specialty of each colleges and universities.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention.
Fig. 2 is the circuit diagram of model three phase watt-hour meter of the present invention.
Fig. 3 is the circuit diagram of a kind of power supply of the present invention.
Embodiment
In FIG, shell 2 is formed by drain pan common in prior art and panel combination, becomes a closed chest together with drain pan is fixed by screw with panel.The present invention by one-phase power source plug 4 by fuse BX and the single phase poaer supply connector that is fixed on shell 2 drain pan in parallel with the input end of power supply 5, and be fixed on 220V power output socket 10 and 11 on panel also to connect with power supply 5 input end, during to facilitate and to do the experimental project such as transformer or daylight lamp, get 220V alternating current.Three phase lines of three-phase and four-line plug 1 are by other three fuses (omit in Fig. 1 and do not draw) and the connector be fixed on shell 2 drain pan and three-phase electricity transformer B
sphase line input end A, B, C be connected, three-phase electricity transformer B
sother three O connecting terminals of primary winding connect the center line of three-phase and four-line plug 1 together.Three-phase electricity transformer BS can be that connect together three identical single phase poaer supply transformers (single transformer output voltage 22V) formation, also can directly on same iron core coiling 6 winding switching form.Three-phase electricity transformer B
ssecondary three output terminals be connected on three jacks a, b, c being fixed on panel, three-phase electricity transformer B
ssecondary three o connecting terminals be connected on the jack o that is fixed on panel as the center line that three-phase alternating current exports together, so just can obtain the safety experiment three-phase electricity power supply to civil power electric isolution, phase voltage 22V, line voltage 38V, 220V and 380V numeral can be simulated, but voltage reduces 10 times, makes experiment safety.Three-phase electricity transformer B
sbe arranged on the drain pan of shell 2.
Threephase load resistance R
1, R
2, R
3, R
4all being arranged on back side of panel and receiving to be fixed on panel on corresponding jack.Threephase load resistance R
1, R
2, R
3for balanced load, threephase load resistance R
1, R
2, R
3each connect with light emitting diode with a 20K-30K resistance after be formed in parallel with 1K-resistance (its rated power is greater than 1 watt) again.The R of threephase load
4for asymmetric load, an available 30K resistance is formed in parallel with 3K resistance (its rated power is greater than 1 watt) after connecting with light emitting diode again.Because light emitting diode branch resistance is far longer than the resistance of its parallel connection, the therefore non-linear precision that can not affect threephase load of light emitting diode.Replace traditional electric light big gun with above-mentioned threephase load, bring that volume is little and the advantage that resistance accuracy is high, the life-span is long.Resistance R
1, R
2, R
3, R
4general name threephase load resistance.
The drain pan of the inside of shell 2 also installs experimental transformer B
c, ballast resistor Z, electric ballast Z
d, power supply 5, signal source 20.The panel of shell 2 also installs D.C. voltmeter 13, DC ammeter 14, A.C. voltmeter 15, A.C. voltmeter 16, first electric power meter P
1, the second electric power meter P
2(also can omit only with an electric power meter), gang socket 12.In order to experiment safety, the connector socket that on panel, forceful electric power Experimental Area is installed is the large jack of common thick band sheath protection against electric shock insulation on the market, and supporting band sheath plug wire is also common band protection against electric shock sheath and can to jack.Connector socket and band sheath plug wire are collectively referred to as band sheath connector.Connector socket is represent (and little single circle represents the exposed little jack of common diameter 2 millimeter, the jack on Experiment of Electrical Circuits unit is all such, so that instrument reduces area) with two large jack figure of circle in FIG.Such as: the first electric power meter P
1on four connector sockets
i * , I, U*, Uand the second electric power meter P
2on four connector sockets
i * , i, u*, ube installed on panel; Experimental transformer B
cfour contacts on former auxiliary winding are received on the corresponding connector socket of panel, also will put on contact L, M, so that judgment experiment transformer B
cthe Same Name of Ends of winding.Experimental transformer B
cnominal load resistance R
5be arranged on back side of panel.Three connector sockets of gang socket 12 link up from back side of panel wire, so that the wiring of shift design experimental circuit (can also increase on panel).Experiment electric capacity (bulky capacitor C
1, middle electric capacity C
2, small capacitances C
3general name experiment electric capacity) be arranged on back side of panel, for the raising power factor experiment content of daylight lamp circuit experiment, if fluorescent tube is 20W, then test electric capacity according to deficient, lucky, over-compensation value 1-4 microfarad.The device that back side of panel and drain pan are installed all will be connected on the connector socket (or jack) of relevant position, describes no longer one by one.
Link and be convenient to non-trivial fluorescent-lamp tube (the alternating circuit experimental box that market is sold easily purchased is started in order to increase student when testing, it is all the fluorescent tube adopting about 10W, market is difficult to buy), shell 2 and fluorescent tube 3, lamp bracket J, lamp base H, starter Q is that machinery is separated and (also namely passes through fluorescent tube input plug 8 by band sheath patch, 9 etc.) socket connection is carried out, so not only be easy to change the fluorescent tube damaged, student is more importantly allowed to see actual daylight lamp equipment structure, and can test by oneself assembling circuit, both old-fashioned Inductive ballast Z can have been met, also can meet electric ballast Z
d, extend experiment content, improve manipulative ability and extend the scope of one's knowledge.Fluorescent tube 3, lamp bracket J, lamp base H, starter Q directly can adopt market product repacking, and another group fluorescent tube band sheath patch in parallel on the socket of starter Q (in Fig. 1 most two, upper right side arrow line), when testing with electric ballast, pulling up starter Q and just can.
In order to extended application experiment content (use of such as watt-hour meter etc. or electrician's skills training), be arranged on associated connections socket on shell 2 or panel and single-phase voltage regulator T, watt-hour meter (single-phase watt-hour meter 17, three phase watt-hour meter 18 or its following corresponding model watt-hour meter general name watt-hour meter, also can only be with three-phase or single-phase watt-hour meter) by being with the grafting of sheath plug wire.Such as: output terminal E, F of single-phase voltage regulator T are connected with connector socket e, the f on panel (or being arranged on drain pan side).The watt-hour meter (also referred to as electric energy meter) increased is used for the single-phase or three phase watt-hour meter wiring of training of students, and due to three phase watt-hour meter because cost is high, available plastic pattern replaces.The circuit diagram of model three phase watt-hour meter 22 is Fig. 2.In Fig. 2 one, two, three, four, five, six, seven, eight is for being arranged on the connector socket the same with on panel on model three phase watt-hour meter 22, but to link up with wire from the model back side one connector socket and two, three and four, five and six, seven and eight, as long as student so just can be made to connect line, threephase load just can obtain three-phase electricity and work.Also model can be reduced to be directly installed on panel and (even directly by the way printing three phase watt-hour meter figure, only 8 connector sockets and above-mentioned line thereof are installed and are connected on panel).Single-phase watt-hour meter 17 also can copy the method for above-mentioned model three phase watt-hour meter 22.The present invention is model three phase watt-hour meter 22 and model single-phase watt-hour meter and above-mentioned directly with the figure watt-hour meter general name model watt-hour meter printed the way of watt-hour meter figure on panel and formed.
Those box indicating Experiment of Electrical Circuits unit 19 that in Fig. 1, thick dotted line is framed, can increase and reduce.In Experiment of Electrical Circuits unit 19 the most left side that depict most representative physical circuit, the experimental projects such as Kirchhoff's law, superposition principle, Thevenin's theorem can be done.Dotted line wherein and solid line represent the wire not connecting and connected respectively, to facilitate student oneself contrived experiment circuit but to take into account typical experimental circuit (the annexation wire that dotted line represents is linked up and is just formed exemplary superposition and Thevenin's theorem experimental circuit).Resistance r wherein
1, r
2represent the first power supply E respectively
1, second source E
2internal resistance, resistance R
x, R
y, R
land test diode D and each jack 21 are all installed on panel respectively.These jacks 21 are all the exposed little jacks of that diameter 2 millimeter of common experimental box, because Experiment of Electrical Circuits project does not have high-tension electricity.First power supply E
1, second source E
2two separate D.C. regulated power supplies, all from power supply 5.Annexation to be connected and that connected between the components and parts of all the other each Experiment of Electrical Circuits unit is also printed on panel with dotted line and solid line respectively.Because the annexation between each components and parts is not fixed, composite design all can be facilitated to become other kinds of experiments circuit, be conducive to training ability, be convenient to experimental project and often upgrade and a tractor serves several purposes.Plug wire supporting with each jack in each Experiment of Electrical Circuits unit 19 is all the plug wire of the common band thin plug supporting with it and jack (thin pin diameter 1-2 millimeter).The present invention is plug wire and aforementioned strip sheath patch general name patch.
For the ease of distinguishing direct current and AC ammeter and being convenient to wiring, also V+, I+, V to be put in relevant position
aC, I
aC.Signal source 20 is arranged on drain pan, and for relevant Experiment of Electrical Circuits unit provides audible communication electric signal, the common signal source circuit of its internal circuit, its frequency and amplitude control equipotential device and be installed on panel.
The panel of shell 2 is installed each connector socket or jack of being connected with inner each corresponding assembly installed.
Experiment components and parts are clearly seen in order to allow student, overcome " black box " phenomenon that experimental box of the prior art can not see the inside device, improve student to the perceptual knowledge of conventional electrotechnical apparatus, the subregion showing student to see that needs of the panel on shell 2 is that transparent plastic (available poly (methyl methacrylate) plate) manufactures.Such as: experimental transformer B
c, electric ballast Z
d, the position such as ballast resistor Z.Also can whole panel be transparent plastic entirely.
A kind of physical circuit of power supply 5 is shown in Fig. 3.The winding indicating 220V is the armature winding of power transformer, 5 windings in right side are secondary winding (multiple more than 5 windings of easily extensible), be separated to export electric isolution between each winding, and through three terminal regulator IC1(such as 7805,7809,7812 etc.), the element rectifying and voltage-stabilizing such as IC2 export respective " " be not also interconnected.Separate when being convenient to like this provide direct current or ac working power supply to electric power meter, voltage table, reometer, signal source 20, avoid measurement result mistake that respective working power independently do not bring and even damage ammeter accident.Each ammeter that the present embodiment adopts is all digital instrument, can according to the digital instrument of different manufacturers to the secondary winding quantity of the direct current supply of working power needed for it or Alternating Current Power Supply situation increase and decrease power transformer or whether become direct current.Each ammeter is good with the mechanical electricity meter not needing to power, but it is excessive to take panel area.Power transformer in power supply 5 also can combinationally use with multiple single or doublewound common transformer, takies volume and also will increase.
The present invention can do multiple change, such as: cancel one-phase power source plug 4, any phase line that direct three-phase and four-line plug 1 exports and center line are connected on connector socket 10,11, a power lead is eliminated although do like this, but the overwhelming majority is without the experimental project three-phase and four-line plug that also handy use is inconvenient (it is only do three-phase electricity related experiment just with three-phase and four-line plug 1 that the present invention joins two power lead objects, and all the other experiments need not insert this plug) of three-phase alternating current.The present invention is three-phase and four-line plug 1 and one-phase power source plug 4 general name attaching plug.
Claims (7)
1. a Multi-function electrician circuit experiment box, comprises one-phase power source plug (4), shell (2), and experimental transformer (B is installed in the inside of shell (2)
c), ballast resistor (Z), power supply (5), the erecting of panel A.C. voltmeter (15) of shell (2), A.C. voltmeter (16), is characterized in that three-phase electricity transformer (B is also installed in the inside of shell (2)
s), electric ballast (Z
d), three-phase electricity transformer (B
s) input end be connected with three-phase and four-line plug (1), the panel of shell (2) is also installed the first electric power meter (P
1), the second electric power meter (P
2), threephase load resistance, gang socket (12), experiment electric capacity, 220V power output socket (10) and (11), D.C. voltmeter (13), DC ammeter (14), Experiment of Electrical Circuits unit (19), the panel of shell (2) is also installed and each connector socket that inner each corresponding assembly installed is connected and jack (21).
2., by Multi-function electrician circuit experiment box according to claim 1, it is characterized in that shell (2) is separated with fluorescent tube (3), lamp bracket (J), lamp base (H), starter (Q) machinery.
3. by Multi-function electrician circuit experiment box according to claim 1, it is characterized in that the connector socket (e) on shell (2), (f) be connected, also with watt-hour meter on shell (2) by the output terminal (E) of band sheath patch and single-phase voltage regulator (T), (F).
4., by Multi-function electrician circuit experiment box according to claim 1, it is characterized in that the subregion of the panel on shell (2) is transparent plastic manufacture.
5., by Multi-function electrician circuit experiment box according to claim 1, the annexation to be connected and that connected between the components and parts that it is characterized in that Experiment of Electrical Circuits unit (19) is printed on the panel on shell (2) with dotted line and solid line respectively.
6., by Multi-function electrician circuit experiment box according to claim 1, it is characterized in that the secondary winding of the power transformer in power supply (5) is that Multiple coil is separated output.
7., by Multi-function electrician circuit experiment box according to claim 3, it is characterized in that said watt-hour meter is model watt-hour meter, one of model watt-hour meter and two, three and four, five and six, seven and eight link up with wire.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610092812.2A CN105513473A (en) | 2016-02-19 | 2016-02-19 | Multifunctional electrotechnics and circuit experiment box |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610092812.2A CN105513473A (en) | 2016-02-19 | 2016-02-19 | Multifunctional electrotechnics and circuit experiment box |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105513473A true CN105513473A (en) | 2016-04-20 |
Family
ID=55721411
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610092812.2A Pending CN105513473A (en) | 2016-02-19 | 2016-02-19 | Multifunctional electrotechnics and circuit experiment box |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105513473A (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107356809A (en) * | 2017-08-31 | 2017-11-17 | 吴玉珍 | Digital electric power table easy to use |
| CN107507495A (en) * | 2017-09-12 | 2017-12-22 | 中国电子科技集团公司第四十研究所 | A kind of modularization teaching experimental method based on signal link |
| CN109192018A (en) * | 2018-10-25 | 2019-01-11 | 宁波工程学院 | Circuit theory experimental box and its experimental method |
| CN110473453A (en) * | 2019-09-12 | 2019-11-19 | 苏州市职业大学 | A kind of Power Electronic Experimentation actual training device suitable for managing real integrated teaching pattern |
| CN112294044A (en) * | 2020-10-09 | 2021-02-02 | 国网山东省电力公司博兴县供电公司 | A power component display device for electric power marketing |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2620905Y (en) * | 2003-01-11 | 2004-06-16 | 云南铜业技工学校 | Low voltage distribution control cabinet training device |
| CN201270107Y (en) * | 2008-10-23 | 2009-07-08 | 南京工业大学 | Circuit comprehensive experiment system |
| WO2010118584A1 (en) * | 2009-04-16 | 2010-10-21 | Yu Jiahua | New autotransformer traction power supply system equipped with 2×27.5kv outdoor modularized electric apparatus in electrified railway |
| CN202033936U (en) * | 2011-04-13 | 2011-11-09 | 宁波明森科教仪器有限公司 | Conductive testing instrument |
| CN202126786U (en) * | 2011-06-23 | 2012-01-25 | 北京友高教育科技有限公司 | Bread board circuit experiment table with cell box |
| CN202534236U (en) * | 2012-04-25 | 2012-11-14 | 上海华育教学设备有限公司 | Element unit box for circuit experiment |
| CN202860593U (en) * | 2012-11-08 | 2013-04-10 | 济南重成自动化技术有限公司 | Electronic experiment table |
| CN203250453U (en) * | 2013-05-07 | 2013-10-23 | 徐健 | Electronic design and development experiment platform |
| CN203931294U (en) * | 2014-06-13 | 2014-11-05 | 湖北理工学院 | Intelligent open type multifunctional Power Electronic Experimentation device |
-
2016
- 2016-02-19 CN CN201610092812.2A patent/CN105513473A/en active Pending
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2620905Y (en) * | 2003-01-11 | 2004-06-16 | 云南铜业技工学校 | Low voltage distribution control cabinet training device |
| CN201270107Y (en) * | 2008-10-23 | 2009-07-08 | 南京工业大学 | Circuit comprehensive experiment system |
| WO2010118584A1 (en) * | 2009-04-16 | 2010-10-21 | Yu Jiahua | New autotransformer traction power supply system equipped with 2×27.5kv outdoor modularized electric apparatus in electrified railway |
| CN202033936U (en) * | 2011-04-13 | 2011-11-09 | 宁波明森科教仪器有限公司 | Conductive testing instrument |
| CN202126786U (en) * | 2011-06-23 | 2012-01-25 | 北京友高教育科技有限公司 | Bread board circuit experiment table with cell box |
| CN202534236U (en) * | 2012-04-25 | 2012-11-14 | 上海华育教学设备有限公司 | Element unit box for circuit experiment |
| CN202860593U (en) * | 2012-11-08 | 2013-04-10 | 济南重成自动化技术有限公司 | Electronic experiment table |
| CN203250453U (en) * | 2013-05-07 | 2013-10-23 | 徐健 | Electronic design and development experiment platform |
| CN203931294U (en) * | 2014-06-13 | 2014-11-05 | 湖北理工学院 | Intelligent open type multifunctional Power Electronic Experimentation device |
Non-Patent Citations (1)
| Title |
|---|
| XIZI394: "《DICE-DGB电工学实验箱》", 《百度文库》 * |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107356809A (en) * | 2017-08-31 | 2017-11-17 | 吴玉珍 | Digital electric power table easy to use |
| CN107507495A (en) * | 2017-09-12 | 2017-12-22 | 中国电子科技集团公司第四十研究所 | A kind of modularization teaching experimental method based on signal link |
| CN109192018A (en) * | 2018-10-25 | 2019-01-11 | 宁波工程学院 | Circuit theory experimental box and its experimental method |
| CN110473453A (en) * | 2019-09-12 | 2019-11-19 | 苏州市职业大学 | A kind of Power Electronic Experimentation actual training device suitable for managing real integrated teaching pattern |
| CN112294044A (en) * | 2020-10-09 | 2021-02-02 | 国网山东省电力公司博兴县供电公司 | A power component display device for electric power marketing |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN105513473A (en) | Multifunctional electrotechnics and circuit experiment box | |
| CA2784338A1 (en) | Wiring tester of multifunctional electric energy metering device | |
| CN106443561B (en) | Integral inspection method and device for electric energy metering device with voltage of 35kV or below | |
| CN112924920A (en) | Portable measuring device and parameter measuring method for high-voltage electromagnetic voltage transformer | |
| CN210323153U (en) | Take device of three-phase four-wire electric energy measurement | |
| CN202886592U (en) | Virtual load device of single-phase electric energy meter | |
| CN203849330U (en) | DC (direct current) resistance measuring instrument for AC (alternating current) loop | |
| CN203705524U (en) | Universal multifunctional integrated comprehensive test bench | |
| CN108344906A (en) | A kind of blowout coil set apparatus analog simulation testing stand | |
| CN103531061A (en) | On-load installation wiring training device | |
| CN103487705A (en) | Quality control method for excitation characteristics of C-type iron core voltage transformer | |
| CN107300648B (en) | Transformer insulation resistance and absorption ratio simulation training device | |
| CN203337814U (en) | Electric energy meter wiring device | |
| CN207866901U (en) | Circuit resistance tester | |
| CN2620905Y (en) | Low voltage distribution control cabinet training device | |
| CN201886089U (en) | Fully automatic tester for variable ratio bridges | |
| CN201016997Y (en) | Sensor type high-voltage electrical energy meter | |
| CN205384803U (en) | Three -phase four -wire electric energy measurement teaching circuit and real circuit of grasping | |
| CN218585507U (en) | Transformer teaching experiment device | |
| CN205375935U (en) | Physics electronic circuit experiment learning aid | |
| CN204347185U (en) | Winding two ends automatic testing equipment | |
| CN107356828B (en) | Transformer transformation ratio simulation training device | |
| CN220820904U (en) | Simulation experiment device for anti-electricity-stealing teaching | |
| CN205749864U (en) | A kind of power meter rosette | |
| CN2620903Y (en) | Motor no-load, short-circuit training device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20160420 |