CN102750865A - Somatosensory practical training circuit and device for wire fused in case of circuit overload - Google Patents
Somatosensory practical training circuit and device for wire fused in case of circuit overload Download PDFInfo
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- CN102750865A CN102750865A CN201210189357XA CN201210189357A CN102750865A CN 102750865 A CN102750865 A CN 102750865A CN 201210189357X A CN201210189357X A CN 201210189357XA CN 201210189357 A CN201210189357 A CN 201210189357A CN 102750865 A CN102750865 A CN 102750865A
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Abstract
The invention relates to a somatosensory practical training circuit and device for wire fused in case of circuit overload and belongs to the technical field of simulation devices for safety training in the power industry. The somatosensory practical training circuit comprises a safety experiment power source. Two output ends of the safety experiment power source are connected with two wiring terminals respectively, the two wiring terminals are used for being fixedly connected with two ends of a fuse wire, and a current transformer is arranged on an experiment line positioned between the safety experiment power source and the wiring terminals and used for measuring current of the experiment line. By utilizing the safety experiment power source and the two wiring terminals at the output ends of the experiment power source, and by enabling the wire for fusing tests to be fixedly connected to the two wiring terminals at the output ends of the experiment power source so as to demonstrate the overheating fusing changing process of wires with different wire diameters, a trainee can visually perform operation and observe importance of matching between wire load and breakers, and accordingly safety protection consciousness of the trainee is greatly improved.
Description
Technical field
The present invention relates to a kind of circuit overloads fusing electric wire body sense real standard circuit and equipment, belong to the training of power industry safety and use the analogue means technical field.
Background technology
The efficient operation of power grid security is one of target of electric power enterprise pursuit, ensures that the factor of electric power netting safe running has a lot of aspects, such as aspects such as personal management, equipment control, circuit operations.No matter how the advanced person still needs personnel to operate and control to equipment and technology after all, so personnel's training is seemed particularly important.Present safety education training is the explanation of paying attention to knowwhy mostly, and the too much form that is tending towards is uninteresting, can not effectively promote by standard person's safe production awareness.Instruct the hastily on duty of personnel for quilt like this, exist great potential safety hazard.
Summary of the invention
The purpose of this invention is to provide a kind of circuit overloads electric wire body sense real standard circuit and equipment, do not have entity can supply operation and demonstration, the problem of result of training difference when having the safety education training now in order to solve.
The present invention provides the real standard of a kind of circuit overloads fusing electric wire body sense circuit for solving the problems of the technologies described above; The real standard of this body sense circuit comprises the safety experiment power supply; Two output terminals of safety experiment power supply connect two connection terminals respectively; Two connection terminals are used for fixing the two ends that connect fused wire, and the experimental line between safety experiment power supply and the connection terminal is provided with current transformer, are used for the electric current of experiments of measuring circuit.
Also be connected with the isolating switch of different big small rated currents between described safety experiment power supply and two connection terminals, be used to demonstrate the change procedure of different big small rated currents isolating switchs overload current.
Described safety experiment power supply is made up of AC power distribution line and terminal isolating transformer thereof for exchanging the safe voltage experimental power supply, and the secondary side of isolating transformer links to each other with experimental line through current lifting device.
The control loop of described AC power distribution line adopts self-locking start and stop loop.
Also be provided with earth leakage protection plate and overcurrent protection plate between described isolating transformer and the current lifting device, be used for leaking electricity and overcurrent protection exchanging the safe voltage experimental power supply.
The present invention also provides a kind of circuit overloads fusing electric wire body sense real standard equipment for solving the problems of the technologies described above; The real standard equipment of this body sense comprises the real standard of circuit overloads fusing electric wire body sense circuit, operation cabinet and body sense demonstration cabinet; The real standard of described body sense circuit comprises the safety experiment power supply; Two output terminals of safety experiment power supply connect two connection terminals respectively, and two connection terminals are used for fixing the two ends that connect fused wire, and the experimental line between safety experiment power supply and the connection terminal is provided with current transformer; The electric current that is used for the experiments of measuring circuit; The safety experiment power supply is arranged in the operation cabinet, and two connection terminals are arranged in the body sense demonstration cabinet, and operation is provided with corresponding action button cashier's office in a shop.
Also be connected with the isolating switch of different big small rated currents between described safety experiment power supply and two connection terminals, be used to demonstrate the change procedure of different big small rated currents isolating switchs to overload current, said isolating switch is arranged in the body sense demonstration cabinet.
Described safety experiment power supply is made up of AC power distribution line and terminal isolating transformer thereof for exchanging the safe voltage experimental power supply, and the secondary side of isolating transformer links to each other with experimental line through current lifting device, and current lifting device is arranged in the body sense demonstration cabinet.
The control loop of described AC power distribution line adopts self-locking start and stop loop, and this self-locking start and stop loop is arranged in the operation cabinet.
Also be provided with the display system that shows safety experiment power source voltage and experimental line electric current in the described operation cabinet; Said display system comprises that sampling connects the master control borad of said current transformer and voltage table; Master control borad connects PC; PC output connects display, and described being installed in the body sense demonstration cabinet is provided with groove below two connection terminals, is used to deposit the ashes that test lead produces when fusing.
The invention has the beneficial effects as follows: the present invention is through utilizing two connection terminals of safety experiment power supply and experimental power supply output terminal; The lead fixed of testing through being used to fuse is connected two connection terminals of experimental power supply output terminal; Directly cross the thermal cut change procedure with demonstration different conductor line; Make the trainee intuitive operation observe the importance of conductor loading and isolating switch coupling, thereby improved trainee's security protection consciousness.
Description of drawings
Fig. 1 is the structural drawing of the real standard of circuit overloads fusing electric wire body sense of the present invention circuit embodiments one;
Fig. 2 is the structural drawing after one expansion of the real standard of circuit overloads fusing electric wire body sense of the present invention circuit embodiments;
Fig. 3 is the electrical schematic diagram of the real standard of circuit overloads fusing electric wire body sense of the present invention circuit embodiments two;
Fig. 4 is the structural drawing of the real standard of circuit overloads fusing electric wire body sense of the present invention circuit display system;
Fig. 5 is the structural drawing of the real standard of circuit overloads fusing electric wire body sense of the present invention device body sense demonstration cabinet.
Embodiment
Be described further below in conjunction with the accompanying drawing specific embodiments of the invention.
The real standard of circuit overloads fusing electric wire body sense of the present invention embodiment of circuit one
As shown in Figure 1; The real standard of circuit overloads fusing electric wire body sense of the present invention circuit comprises safety experiment power supply summation current transformer; The output terminal of safety experiment power supply connects two connection terminals respectively; Current transformer be arranged on safety experiment power supply and two connection terminals between experimental line on, be used for the electric current of experiments of measuring circuit.In when demonstration training, the fusing test lead two ends in collinear footpath are not fixedly connected on two connection terminals of output terminal of experimental power supply respectively, open the safety test power supply and just can observe the lead in collinear footpath is not crossed thermal cut through electric current change procedure.Further; We further improve on the basis of the real standard of this circuit overloads fusing electric wire body sense circuit; The isolating switch that between safety experiment power supply and two connection terminals, connects different big small rated currents; As shown in Figure 2, not only can also observe the protection process of the isolating switch of different rated current by observation test wire overloading fusing change procedure through this circuit to overload current, make the trainee more profoundly recognize the importance of conductor loading and isolating switch coupling.
The real standard of circuit overloads fusing electric wire body sense of the present invention embodiment of circuit two
As shown in Figure 3; The real standard of circuit overloads fusing electric wire body sense circuit among the present invention comprises two connection terminals, current transformer, isolating switch and display systems of safety experiment power supply, control circuit, safety test power output end; The safety experiment power supply is made up of AC power distribution line and terminal isolating transformer thereof for exchanging the safe voltage experimental power supply, and the secondary side of isolating transformer links to each other with experimental line between safety test power supply and the connection terminal through current lifting device; Control circuit is used to control the unlatching that exchanges the safe voltage experimental power supply; Usually use self-locking start and stop loop, as shown in Figure 3, the secondary side of the terminal isolating transformer of AC power distribution line is connected to current lifting device through the normally opened contact of contactor JC1; Through being connected on the experimental line after the current lifting device processing; Also be connected with earth leakage protection plate and overcurrent protection plate between isolating transformer and the current lifting device, be used for to AC power leak electricity, overheated and overcurrent protection, AC power is respectively the earth leakage protection plate through the 12V Switching Power Supply and the overcurrent protection plate provides 12V power supply; The secondary side of isolating transformer also is provided with voltage table, is used to measure the AC supply voltage through behind the isolating transformer.The current lifting device here can be that adjustable current lifting device also can be other current lifting device; If adjustable current lifting device; Can the electric current in the experimental line be changed through the adjustment current lifting device, so as better the different big small rated currents isolating switchs of demonstration to the protection process of overload current and not the lead in collinear footpath flow through the change procedure of thermal cut through different electric.Display system in the real standard of the circuit overloads fusing electric wire body sense circuit is as shown in Figure 4; Comprise master control borad, PC and display, the input end of master control borad links to each other with the output terminal of said current transformer and voltage table respectively, is used for gathering respectively the electric current of experimental line and the voltage in the experimental power supply; The output terminal of master control borad connects PC; PC output connects display, and this display can be the infrared touch display, also can be the big screen LED display.
Its operating process is following: when the training demonstration; The fusing test lead in collinear footpath not is fixedly connected on two connection terminals that exchange safe voltage experimental power supply output terminal; Make two normally opened contact closures on the contactor JC1 in the interchange safe voltage experimental power supply through the start button in the control circuit; Exchange conducting between safe voltage experimental power supply and the experimental line; At this moment; The experiencer just can the observation test wire overloading isolating switch of fusing change procedure and different rated current compare demonstration, and can know the electric weight in the current experimental line through current transformer, voltage table or display, experience the different conductor line more intuitively and directly cross the thermal cut change procedure and overload current is protected process with different rated current isolating switchs.
The embodiment of the real standard equipment of circuit overloads fusing electric wire body sense of the present invention
The real standard equipment of overload fusing electric wire body sense of the present invention comprises operation cabinet, body sense demonstration cabinet and the real standard of body sense circuit; Described body sense real standard circuit such as Fig. 3 and shown in Figure 4; Two connection terminals, current transformer, isolating switch and display systems of safety experiment power supply, control circuit, safety test power output end; What it was concrete connects and composes described in the real standard of circuit overloads fusing electric wire body sense of the present invention embodiment of circuit two, is not giving unnecessary details here.Control circuit, display system and the AC power, earth leakage circuit breaker, isolating transformer, contactor, earth leakage protection plate and the overcurrent protection plate that exchange in the safe voltage experimental power supply all are arranged in the operation cabinet; Operation cabinet and body sense demonstration cabinet are electrically connected, and the operation cabinet separates setting with body sense demonstration cabinet.Body sense demonstration cabinet is as shown in Figure 5; Comprise panel 4, column 7, base support 9 and internal plug 8, isolating switch 1, connection terminal 2 and indicating instrument 3 all are arranged on the panel 4, and indicating instrument 3 comprises voltage table and reometer; Fusing test lead 5 is fixedly mounted on two connection terminals 2; 6 places, below between two connection terminals 2 are provided with and groove, and the length of this groove is corresponding with the distance between two connection terminals, is used for depositing the ashes that test lead produces at fusing process.Its specific operation process is seen described in the embodiment two of the real standard of circuit overloads of the present invention fusing electric wire body sense circuit.
Claims (10)
1. circuit is instructed in circuit overloads fusing electric wire body sense in fact; It is characterized in that: the real standard of this body sense circuit comprises the safety experiment power supply; Two output terminals of safety experiment power supply connect two connection terminals respectively; Two connection terminals are used for fixing the two ends that connect fused wire, and the experimental line between safety experiment power supply and the connection terminal is provided with current transformer, are used for the electric current of experiments of measuring circuit.
2. the real standard of circuit overloads fusing electric wire body sense according to claim 1 circuit; It is characterized in that: also be connected with the isolating switch of different big small rated currents between described safety experiment power supply and two connection terminals, be used to demonstrate the change procedure of different big small rated currents isolating switchs overload current.
3. the real standard of circuit overloads fusing electric wire body sense according to claim 2 circuit; It is characterized in that: described safety experiment power supply is for exchanging the safe voltage experimental power supply; Be made up of AC power distribution line and terminal isolating transformer thereof, the secondary side of isolating transformer links to each other with experimental line through current lifting device.
4. the real standard of circuit overloads fusing electric wire body sense according to claim 3 circuit, it is characterized in that: the control loop of described AC power distribution line adopts self-locking start and stop loop.
5. the real standard of circuit overloads fusing electric wire body sense according to claim 4 circuit; It is characterized in that: also be provided with earth leakage protection plate and overcurrent protection plate between described isolating transformer and the current lifting device, be used for leaking electricity and overcurrent protection exchanging the safe voltage experimental power supply.
6. the real standard equipment of circuit overloads fusing electric wire body sense; It is characterized in that: the real standard equipment of this body sense comprises the real standard of circuit overloads fusing electric wire body sense circuit, operation cabinet and body sense demonstration cabinet; The real standard of described body sense circuit comprises the safety experiment power supply; Two output terminals of safety experiment power supply connect two connection terminals respectively, and two connection terminals are used for fixing the two ends that connect fused wire, and the experimental line between safety experiment power supply and the connection terminal is provided with current transformer; The electric current that is used for the experiments of measuring circuit; The safety experiment power supply is arranged in the operation cabinet, and two connection terminals are arranged in the body sense demonstration cabinet, and operation is provided with corresponding action button cashier's office in a shop.
7. the real standard equipment of circuit overloads fusing electric wire body sense according to claim 6; It is characterized in that: the isolating switch that also is connected with different big small rated currents between described safety experiment power supply and two connection terminals; Be used to demonstrate the change procedure of different big small rated currents isolating switchs to overload current, said isolating switch is arranged in the body sense demonstration cabinet.
8. the real standard equipment of circuit overloads fusing electric wire body sense according to claim 7; It is characterized in that: described safety experiment power supply is for exchanging the safe voltage experimental power supply; Constitute by AC power distribution line and terminal isolating transformer thereof; The secondary side of isolating transformer links to each other with experimental line through current lifting device, and current lifting device is arranged in the body sense demonstration cabinet.
9. the real standard equipment of circuit overloads fusing electric wire body sense according to claim 7, it is characterized in that: the control loop of described AC power distribution line adopts self-locking start and stop loop, and this self-locking control loop is arranged in the operation cabinet.
10. the real standard equipment of circuit overloads fusing electric wire body sense according to claim 9; It is characterized in that: also be provided with the display system that shows safety experiment power source voltage and experimental line electric current in the described operation cabinet; Said display system comprises that sampling connects the master control borad of said current transformer and voltage table; Master control borad connects PC; PC output connects display, and described being installed in the body sense demonstration cabinet is provided with groove below two connection terminals, is used to deposit the ashes that test lead produces when fusing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210189357.XA CN102750865B (en) | 2012-06-08 | 2012-06-08 | A kind of circuit overloads fusing electric wire body sense real training circuit and equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210189357.XA CN102750865B (en) | 2012-06-08 | 2012-06-08 | A kind of circuit overloads fusing electric wire body sense real training circuit and equipment |
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| Publication Number | Publication Date |
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| CN102750865A true CN102750865A (en) | 2012-10-24 |
| CN102750865B CN102750865B (en) | 2015-08-19 |
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| CN201210189357.XA Expired - Fee Related CN102750865B (en) | 2012-06-08 | 2012-06-08 | A kind of circuit overloads fusing electric wire body sense real training circuit and equipment |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105702139A (en) * | 2016-04-21 | 2016-06-22 | 国网江苏省电力公司职业技能训练基地 | System for displaying body feeling of line overloading |
| CN105702141A (en) * | 2016-04-21 | 2016-06-22 | 国网江苏省电力公司职业技能训练基地 | Live trimming body feeling system |
| CN106952545A (en) * | 2017-04-30 | 2017-07-14 | 国网江苏省电力公司职业技能训练基地 | A kind of transformer body-sensing experience system |
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| CN202632640U (en) * | 2012-06-08 | 2012-12-26 | 郑州万特电气有限公司 | Somatosensory training circuit and equipment for circuit overload fuse wire |
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Patent Citations (12)
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| FR2694979A1 (en) * | 1992-08-20 | 1994-02-25 | Guyot Jean Pierre | Fuse testing appts. incorporated in pocket lamp - uses two contacts for fuse outside lamp case to indicate fuse condition by extinguishing light |
| CN2222383Y (en) * | 1994-12-24 | 1996-03-13 | 杨振华 | Demonstration device for action of fuse |
| KR970022340A (en) * | 1995-10-10 | 1997-05-28 | 이정국 | Fuse Blow Test Device |
| CN201054202Y (en) * | 2007-06-11 | 2008-04-30 | 董俊 | Short circuit demonstration device |
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| CN101726515A (en) * | 2008-10-16 | 2010-06-09 | 淄博计保互感器研究所 | Tester and testing method for winding lead material of transformer |
| CN201780707U (en) * | 2010-06-30 | 2011-03-30 | 西安邮电学院 | Digital information source state analysis experiment box |
| CN201837713U (en) * | 2010-09-21 | 2011-05-18 | 东莞市贝尔试验设备有限公司 | Testing machine for short circuit of battery |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105702139A (en) * | 2016-04-21 | 2016-06-22 | 国网江苏省电力公司职业技能训练基地 | System for displaying body feeling of line overloading |
| CN105702141A (en) * | 2016-04-21 | 2016-06-22 | 国网江苏省电力公司职业技能训练基地 | Live trimming body feeling system |
| CN106952545A (en) * | 2017-04-30 | 2017-07-14 | 国网江苏省电力公司职业技能训练基地 | A kind of transformer body-sensing experience system |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102750865B (en) | 2015-08-19 |
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Address after: 450001 No. 38, box street, hi tech Industrial Development Zone, Henan, Zhengzhou Patentee after: Zhengzhou Wonder Electrical Power Co., Ltd. Address before: Yinping Rd. high tech Development Zone in Henan province 450001 No. 15 Patentee before: ZhengZhou Wonder Electric Co., Ltd. |
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150819 Termination date: 20170608 |
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| CF01 | Termination of patent right due to non-payment of annual fee |