CN201465380U - Electric power load management terminal training device - Google Patents
Electric power load management terminal training device Download PDFInfo
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- CN201465380U CN201465380U CN200920090265XU CN200920090265U CN201465380U CN 201465380 U CN201465380 U CN 201465380U CN 200920090265X U CN200920090265X U CN 200920090265XU CN 200920090265 U CN200920090265 U CN 200920090265U CN 201465380 U CN201465380 U CN 201465380U
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Abstract
The utility model provides an electric power load management terminal training device, which comprises an upper computer, a main control panel, a programmable power source, an electric power load management terminal, a high-voltage switch state simulator and an electric energy meter, wherein the upper computer is communicated with the main control panel connected with the high-voltage switch state simulator, the main control panel is communicated with the programmable power source, the electric power load management terminal is connected with an output end of the programmable power source, the electric energy meter is also connected with the output end of the programmable power source, and the electric power load management terminal is connected with the electric energy meter and the high-voltage switch state simulator. The device has the advantages of scientific design, stable performance and strong reliability.
Description
Technical field
The utility model relates to a kind of experiment device for teaching or training set that is used for electric system, specifically, relate to a kind of electricity load management terminal training device, this device is used to train electricity load management terminal operation and managerial personnel, promptly carry out installation, wiring and the operation training of electricity load management terminal, can also carry out the check and the test of electricity load management terminal simultaneously.
Background technology
Electricity load management terminal is the visual plant of power budget management, and power load management system has become the important component part of demand Side Management, power marketing and customer service work; Along with extensively popularizing of using of electric power and fast-developing, increased large number quipments newly, the load management system bulky complex more that also becomes, this competency profiling to the practitioner is also higher, therefore, should regularly give training, to make it to reach national vocational skills standard-required to the terminal operation managerial personnel; Such as: user power utilization (distant control function) etc. is controlled in telemetry intelligence (TELINT) (on off state) and the operation that can supervise user power utilization situation (normal, fault, stealing), user by electricity load management terminal.
In training to electricity load management terminal operational administrative personnel, traditional training method is normally carried out theory explaination, is drawn and describe, in conjunction with the on-the-spot exemplary operations in kind of electricity load management terminal the student is trained again, because can have influence on the normal electricity consumption of power consumer, therefore, this training method student can't carry out practical operation; Just because of this makes the hands-on effect very undesirable.
In order to overcome the above problems, people are seeking a kind of desirable technical solution always.
Summary of the invention
The purpose of this utility model is at the deficiencies in the prior art, thereby the electricity load management terminal training device of a kind of scientific structure, stable performance, good reliability is provided.
To achieve these goals, the utility model provides a kind of electricity load management terminal training device, this device comprises host computer, master control board, programmable power supply, electricity load management terminal, high-voltage switch gear state simulation device and electric energy meter, wherein, described host computer is communicated by letter with described master control board so that master control board receives order and passback data, described master control board connects described high-voltage switch gear state simulation device so that the state of high-voltage switch gear state simulation device is gathered in master control board, described master control board is communicated by letter with the different voltage and current signal of control programmable power supply output with described programmable power supply, described electricity load management terminal connects the output terminal of described programmable power supply so that electricity load management terminal is gathered the aanalogvoltage current signal of programmable power supply output, described electric energy meter connects the output terminal of described programmable power supply so that the electric energy meter metering, described electricity load management terminal connects described electric energy meter gathering electric energy metrical information, and described electricity load management terminal connects described high-voltage switch gear state simulation device so that electricity load management terminal control high-voltage switch gear state simulation device and detect the state of high-voltage switch gear state simulation device.
Based on above-mentioned, described master control board comprises RS485 communication module, microprocessor, RS232 communication module and on off state testing circuit, wherein, described microprocessor connects described RS485 communication module, described RS232 communication module and described on off state testing circuit respectively.
Based on above-mentioned, described on off state testing circuit comprises four samsara on off state testing circuits, each samsara on off state testing circuit comprises a resistance A and a resistance B, wherein, described resistance A one end is used to connect low-tension supply, and the resistance A other end is used to connect normally opened contact one end of place samsara A.C. contactor; Described resistance B one end ground connection, the resistance B other end is used to connect the normally opened contact other end of place samsara A.C. contactor; The described resistance A other end is used for the detection signal output terminal.
Based on above-mentioned, described high-voltage switch gear state simulation device comprises four samsara terminal control detection circuit; Each samsara terminal control detection circuit comprises an A.C. contactor, a trip switch, a combined floodgate switch, a combined floodgate pilot lamp and a tripping operation pilot lamp; Wherein, described A.C. contactor one end connects described combined floodgate switch one end, and the described combined floodgate switch other end connects described trip switch one end, and the described trip switch other end and the described A.C. contactor other end are used to connect power supply; Described trip switch two ends connect the normally opened contact two ends of described A.C. contactor respectively; Described combined floodgate pilot lamp one end connects normally closed contact one end of described A.C. contactor, and the normally closed contact other end of described A.C. contactor and the described combined floodgate pilot lamp other end are used to connect power supply; Described tripping operation pilot lamp one end connects normally opened contact one end of described A.C. contactor, and the normally opened contact other end of described A.C. contactor and the described tripping operation pilot lamp other end are used to connect power supply; Described trip switch is a normal open switch, and described combined floodgate switch is a normally closed switch; Described trip switch two ends are used for terminal control output signal end, and the input signal end is detected as terminal in the normally opened contact two ends of described A.C. contactor and normally closed contact two ends.
The relative prior art of the utility model has substantive distinguishing features and progress, and specifically, this device has following some advantage:
1, this device can be simulated the electricity load management terminal site environment on same set of equipment, realizes that information acquisition, instruction transmission, wireless contact and each control function to load management terminal carried out checkout; By the test operation training of this device, can ensure the efficient and the reliability of terminal work on the spot;
2, the output voltage of programmable power supply, output current and power factor scalable, the actual working state in order to simulation electricity consumption scene has guaranteed this device safe and reliable operation, and saves energy;
3, this device has been simulated the various situations of three-phase imbalance, can realize the balance and the uneven operation of three-phase current and carry out the calculating of three-phase imbalance load by the change pull-up resistor;
4, this device has anti-electricity-theft warning function, by the typical stealing mode of electric energy meter is set, to realize anti-electricity-theft warning function; Promptly can realize measurement loop phase of three-phase voltage, phase breaking alarm, measurement loop voltage circuit negative phase sequence is reported to the police, measurement loop current return negative phase sequence is reported to the police, each phase current of measurement loop anti-phase (reversal connection) is reported to the police, measurement loop current transformer (CT) once/second short circuit, second open circuit report to the police, electric energy meter indication electric weight alarming decrease, electric energy meter stops walking/warning of flying away, the display alarm of electrical energy meter fault real-time online, fault and event data record, three-phase load is uneven reports to the police, rate of qualified voltage statistics and harmonic excess warning etc.;
5, this device also can be realized the various malfunction emulation of electric energy meter.
Description of drawings
Fig. 1 is a principle of work synoptic diagram of the present utility model;
Fig. 2 is the circuit structure block diagram of described master control board;
Fig. 3 is the circuit theory diagrams of described master control board;
Fig. 4 is the structural representation of described high-voltage switch gear state simulation device;
Fig. 5 is the working circuit diagram of described three-phase imbalance analog controller.
Embodiment
Below by embodiment, the technical solution of the utility model is described in further detail.
As shown in Figure 1, described electricity load management terminal training device comprises host computer 1, master control board 2, programmable power supply 3, electricity load management terminal 5, high-voltage switch gear state simulation device 6 and electric energy meter 7; Wherein, described host computer is communicated by letter with described master control board so that master control board receives order and passback data, described master control board connects described high-voltage switch gear state simulation device so that the state of high-voltage switch gear state simulation device is gathered in master control board, described master control board is communicated by letter with the different voltage and current signal of control programmable power supply output with described programmable power supply, described electricity load management terminal connects the output terminal of described programmable power supply so that electricity load management terminal is gathered the aanalogvoltage current signal of programmable power supply output, described electric energy meter connects the output terminal of described programmable power supply so that the electric energy meter metering, described electricity load management terminal connects described electric energy meter gathering electric energy metrical information, and described electricity load management terminal connects described high-voltage switch gear state simulation device so that electricity load management terminal control high-voltage switch gear state simulation device and detect the state of high-voltage switch gear state simulation device;
Device described in the utility model also includes the three-phase imbalance analog controller.
This device workflow is: three-phase four-wire power is linked in the device, to the three-phase imbalance simulator, realizes the state simulation of three-phase imbalance and the power supply of system; Host computer 1 is controlled master control board 2 by serial communication control mouth, the start and stop of master control board 2 control programmable power supplys 3, and programmable power supply 3 one tunnel is linked into multifunctional electric energy meter 7, and another road is linked into electricity load management terminal 5; Host computer 1 is by serial communication control mouth, control master control board 2; Electricity load management terminal 5 control high-voltage switch gear state simulation devices 6 are realized the on off state simulation of high-low pressure, learn high-voltage switch gear state and fault for the student.
The concrete annexation of this device each several part is:
Host computer 1 is a kind of general calculation machine, is used to realize the operation and the control function of various softwares, be connected with master control board 2 by serial communication control mouth, thus the start and stop of control programmable power supply 3 voltage and current signal different with output;
Master control board 2 is a kind of communication control equipments, is used for the communication and the control function of this device, it links to each other with host computer 1 by serial communication control mouth, receive the order of host computer 1 and it is changed after send to programmable power supply 3, simultaneously, feed back to host computer 1 after receiving return path signal and conversion;
Electricity load management terminal 5 is a kind of general listing products, widespread use at present; Be mainly used in the display terminal load condition, the electric current and voltage monitoring of realization load control loop reaches checks meter to electric energy meter 7, high-voltage switch gear to load loop is controlled, and realizes combined floodgate, separating brake function, and can monitor combined floodgate, the gate-dividing state in high-voltage switch gear loop;
High-voltage switch gear state simulation device 6, be used for simulation indication high-voltage switch gear state, can simulate and realize closing by hand, separating brake, 5 remote controls of simulation realization electricity load management terminal realize that combined floodgate, separating brake and detection simulated high-pressure switch close a floodgate, gate-dividing state, thereby realize the emulation of high-voltage switch gear state;
As shown in Figure 2, described master control board 2 comprises RS485 communication module 21, microprocessor 22, RS232 communication module 23 and on off state testing circuit 24, wherein, described microprocessor 22 connects described RS485 communication module 21 respectively and is used for intercoming mutually with described RS232 communication module 23; Described microprocessor 22 connects described on off state testing circuit 24 and is used for detecting, determining four samsara on off states.
As shown in Figure 3, described microprocessor 22 comprises miniature process chip U1, capacitor C 8, C9 and crystal oscillator Y7;
Described RS485 communication module 21 comprises resistance R 47～R55, photoelectric isolated chip U14～U16,485 conversion chip U20;
Described RS232 communication module 23 comprises resistance R 43～R46, photoelectric isolated chip U13, U17,232 conversion chip U22, capacitor C 21, C23, C25, C30;
Described on off state testing circuit comprises four samsara on off state testing circuits, each samsara on off state testing circuit comprises a resistance A and a resistance B, wherein, described resistance A one end is used to connect low-tension supply, and the described resistance A other end is used to connect normally opened contact one end of place samsara A.C. contactor; Described resistance B one end ground connection, the described resistance B other end is used to connect the normally opened contact other end of place samsara A.C. contactor; The described resistance A other end is used for the detection signal output terminal; Specifically, comprise resistance R 3～R6, resistance R 8, resistance R 56～R58 is used for the A.C. contactor normally opened contact JC1～JC4 of four samsara terminal control detection circuit that described on off state testing circuit connects.
As shown in Figure 4, described high-voltage switch gear state simulation device 6 comprises four samsara terminal control detection circuit, and every samsara terminal control detection circuit comprises an A.C. contactor JC, a trip switch TZ, combined floodgate switch HZ, a combined floodgate pilot lamp LH and a tripping operation pilot lamp LT;
Wherein, described A.C. contactor JC one end connects described combined floodgate switch HZ one end, and the described combined floodgate switch HZ other end connects described trip switch TZ one end, and the described trip switch TZ other end and the described A.C. contactor JC other end are used to connect power supply; Described trip switch TZ two ends connect the normally opened contact two ends of described A.C. contactor JC respectively; Described combined floodgate pilot lamp LH one end connects normally closed contact one end of described A.C. contactor JC, and the normally closed contact other end of described A.C. contactor JC and the described combined floodgate pilot lamp LH other end are used to connect power supply; Described tripping operation pilot lamp LT one end connects normally opened contact one end of described A.C. contactor JC, and the normally opened contact other end of described A.C. contactor JC and the described tripping operation pilot lamp LT other end are used to connect power supply; Described trip switch TZ is a normal open switch, and described combined floodgate switch HZ is a normally closed switch; Described trip switch TZ two ends are used for terminal control output signal end ZDSC, and input signal end ZDJC is detected as terminal in the normally opened contact two ends of described A.C. contactor JC and normally closed contact two ends.
Described high-voltage switch gear state simulation device 6 is by the simulated high-pressure on off state, can realize that four-wheels manual or electricity load management terminal 5 controls return state, every kind of state comprises combined floodgate and two kinds of controls of separating brake, wheel is jumped and is realized and can realize control according to the size of customer charge, effectively the product of artificial actual is used, simultaneously, can realize the detection input of remote signals; Described high-voltage switch gear state simulation device 6 is transferred to master control board 2 with the high-voltage switch gear state by high-voltage switch gear state detection circuit 24, the microprocessor 22 of master control board 2 is by detecting the state of pin, determine the high-voltage switch gear state, thus the detection of realization high-voltage switch gear state simulation device 6 and program control.
Device described in the utility model also includes the three-phase imbalance analog controller; As shown in Figure 5,
This controller comprises three-phase supply transformer, three-phase current table (A1, A2, A3) and the three-phase simulation load, wherein, the secondary side three-phase output end of described three-phase supply transformer connects three-phase current table (A1, A2 respectively, A3) input end, (output terminal A3) connects the three-phase simulation load respectively to described three-phase current table for A1, A2;
Described three-phase simulation load comprises 30 resistance R 9～R38,24 pilot lamp H1～H24,24 groups of terminals of making contact, three switch SW 2～SW4 and reometer A4;
The first phase fictitious load comprises 10 resistance R 9～R18,8 pilot lamp H1～H8,8 groups of make contact terminal and switch SW 2, wherein, 8 pilot lamp H1～H8 are connected in parallel on 8 resistance R 9～R16 two ends successively, 8 resistance R 9～R16 one ends are connected with the output terminal of the first phase current Table A 1 by 8 groups of terminals of making contact, and 2 resistance R 17～R18 one ends are connected with the output terminal of the first phase current Table A 1 by switch SW 2 respectively;
The second phase fictitious load comprises 10 resistance R 19～R28,8 pilot lamp H9～H16,8 groups of make contact terminal and switch SW 3, wherein, 8 pilot lamp H9～H16 are connected in parallel on 8 resistance R 19～R26 two ends successively, 8 resistance R 19～R26 one ends are connected with the output terminal of the second phase current Table A 2 by 8 groups of terminals of making contact, and 2 resistance R 27～R28 one ends are connected with the output terminal of the second phase current Table A 2 by switch SW 3 respectively;
The third phase fictitious load comprises 10 resistance R 29～R38,8 pilot lamp H17～H24,8 groups of make contact terminal and switch SW 4, wherein, 8 pilot lamp H17～H24 are connected in parallel on 8 resistance R 29～R36 two ends successively, 8 resistance R 29～R36 one ends are connected with the output terminal of third phase reometer A3 by 8 groups of terminals of making contact, and 2 resistance R 37～R38 one ends are connected with the output terminal of third phase reometer A3 by switch SW 4 respectively;
30 resistance R 9～R38 other ends connect reometer A4 one end, described reometer A4 other end ground connection.
Based on above-mentioned, this controller also comprises three phase controlling switch SW1 and three insurance (F1, F2, F3), wherein, the secondary side three-phase output end of described three-phase supply transformer is respectively by three phase controlling switch SW1, three insurance (F1, F2, F3) connect three-phase current table (A1, A2, input end A3).
Circuit connecting relation is: three-phase four-wire power is three-phase and four-line 3*6V power supply by three-phase supply transformer BYQ with three-phase and four-line 3*220V power source conversion,, for the three-phase imbalance resistance of three-phase simulation load provides power supply; Three-phase supply inserts the three-phase simulation load circuit by gauge tap SW1, three groups of insurance F1～F3, under the normal condition, the threephase load balance, the electric current that reometer A1, A2, A3 flow through equates that the electric current that reometer A4 flows through is 0, when any one resistance that inserts mutually not simultaneously, the electric current that flows through this circuit changes, corresponding reometer A4 has electric current to flow through, the threephase load imbalance, thus realize the unbalanced analog demenstration of threephase load;
Described three-phase imbalance analog controller is mainly used in education experiment or the training, allows the student do it yourself, and cultivates student's threephase load balance and unbalanced direct feel, and further cultivates the manipulative ability that the student adjusts the threephase load balance.
Should be noted that at last: above embodiment only is not intended to limit in order to the explanation the technical solution of the utility model; Although with reference to preferred embodiment the utility model is had been described in detail, those of ordinary skill in the field are to be understood that: still can make amendment or the part technical characterictic is equal to replacement embodiment of the present utility model; And not breaking away from the spirit of technical solutions of the utility model, it all should be encompassed in the middle of the technical scheme scope that the utility model asks for protection.
Claims (6)
1. electricity load management terminal training device, it is characterized in that: this device comprises host computer, master control board, programmable power supply, electricity load management terminal, high-voltage switch gear state simulation device and electric energy meter, wherein, described host computer is communicated by letter with described master control board, described master control board connects described high-voltage switch gear state simulation device, described master control board is communicated by letter with described programmable power supply, described electricity load management terminal connects the output terminal of described programmable power supply, described electric energy meter connects the output terminal of described programmable power supply, described electricity load management terminal connects described electric energy meter, and described electricity load management terminal connects described high-voltage switch gear state simulation device.
2. electricity load management terminal training device according to claim 1, it is characterized in that: described master control board comprises RS485 communication module, microprocessor, RS232 communication module and on off state testing circuit, wherein, described microprocessor connects described RS485 communication module, described RS232 communication module and described on off state testing circuit respectively.
3. electricity load management terminal training device according to claim 2, it is characterized in that: described on off state testing circuit comprises four samsara on off state testing circuits, each samsara on off state testing circuit comprises a resistance A and a resistance B, wherein, described resistance A one end is used to connect low-tension supply, and the described resistance A other end is used to connect normally opened contact one end of place samsara A.C. contactor; Described resistance B one end ground connection, the described resistance B other end is used to connect the normally opened contact other end of place samsara A.C. contactor; The described resistance A other end is used for the detection signal output terminal.
4. electricity load management terminal training device according to claim 1 is characterized in that: described high-voltage switch gear state simulation device comprises four samsara terminal control detection circuit; Each samsara terminal control detection circuit comprises an A.C. contactor, a trip switch, a combined floodgate switch, a combined floodgate pilot lamp and a tripping operation pilot lamp; Wherein, described A.C. contactor one end connects described combined floodgate switch one end, and the described combined floodgate switch other end connects described trip switch one end, and the described trip switch other end and the described A.C. contactor other end are used to connect power supply; Described trip switch two ends connect the normally opened contact two ends of described A.C. contactor respectively; Described combined floodgate pilot lamp one end connects normally closed contact one end of described A.C. contactor, and the normally closed contact other end of described A.C. contactor and the described combined floodgate pilot lamp other end are used to connect power supply; Described tripping operation pilot lamp one end connects normally opened contact one end of described A.C. contactor, and the normally opened contact other end of described A.C. contactor and the described tripping operation pilot lamp other end are used to connect power supply; Described trip switch is a normal open switch, and described combined floodgate switch is a normally closed switch; Described trip switch two ends are used for terminal control output signal end, and the input signal end is detected as terminal in the normally opened contact two ends of described A.C. contactor and normally closed contact two ends.
5. electricity load management terminal training device according to claim 1, it is characterized in that: this device also comprises the three-phase imbalance analog controller, and this controller comprises three-phase supply transformer, three-phase current table (A1, A2, A3) and the three-phase simulation load, wherein, the secondary side three-phase output end of described three-phase supply transformer connects three-phase current table (A1, A2 respectively, A3) input end, (output terminal A3) connects the three-phase simulation load respectively to described three-phase current table for A1, A2; Described three-phase simulation load comprises 30 resistance (R9～R38), 24 pilot lamp (H1～H24), 24 groups of terminals of making contact, three switches (SW2～SW4) and reometer (A4); The first phase fictitious load comprises 10 resistance (R9～R18), 8 pilot lamp (H1～H8), 8 groups of make contact terminal and switches (SW2), wherein, (H1～H8) is connected in parallel on 8 resistance (two ends of R9～R16) successively for 8 pilot lamp, (R9～R16) end is connected with the output terminal of the first phase current table (A1) by 8 groups of terminals of making contact 8 resistance, and (R17～R18) end is connected with the output terminal of the first phase current table (A1) by switch (SW2) respectively 2 resistance; The second phase fictitious load comprises 10 resistance (R19～R28), 8 pilot lamp (H9～H16), 8 groups of make contact terminal and switches (SW3), wherein, (H9～H16) is connected in parallel on 8 resistance (two ends of R19～R26) successively for 8 pilot lamp, (R19～R26) end is connected with the output terminal of the second phase current table (A2) by 8 groups of terminals of making contact 8 resistance, and (R27～R28) end is connected with the output terminal of the second phase current table (A2) by switch (SW3) respectively 2 resistance; The third phase fictitious load comprises 10 resistance (R29～R38), 8 pilot lamp (H17～H24), 8 groups of make contact terminal and switches (SW4), wherein, (H17～H24) is connected in parallel on 8 resistance (two ends of R29～R36) successively for 8 pilot lamp, (R29～R36) end is connected with the output terminal of third phase reometer (A3) by 8 groups of terminals of making contact 8 resistance, and (R37～R38) end is connected with the output terminal of third phase reometer (A3) by switch (SW4) respectively 2 resistance; 30 resistance (R9～R38) other end connects reometer (A4) end, described reometer (A4) other end ground connection.
6. electricity load management terminal training device according to claim 5, it is characterized in that: this controller comprises three phase controlling switch (SW1) and three insurance (F1, F2, F3), wherein, the secondary side three-phase output end of described three-phase supply transformer is respectively by three phase controlling switch (SW1), three insurance (F1, F2, F3) connect three-phase current table (A1, A2, input end A3).
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| CN200920090265XU CN201465380U (en) | 2009-05-15 | 2009-05-15 | Electric power load management terminal training device |
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| CN200920090265XU CN201465380U (en) | 2009-05-15 | 2009-05-15 | Electric power load management terminal training device |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102855795A (en) * | 2012-09-18 | 2013-01-02 | 武汉特试特科技股份有限公司 | Electrical test equipment simulation device |
| CN104269090A (en) * | 2014-10-14 | 2015-01-07 | 国网四川省电力公司技能培训中心 | Simulation system and method for electricity consumption information acquisition terminal round control switch |
| CN104361796A (en) * | 2014-10-16 | 2015-02-18 | 国家电网公司 | Electric energy metering device simulation training platform |
| CN105894920A (en) * | 2016-04-07 | 2016-08-24 | 国网浙江省电力公司培训中心 | Fault simulation method of using simulation intelligent electric energy meter |
-
2009
- 2009-05-15 CN CN200920090265XU patent/CN201465380U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102855795A (en) * | 2012-09-18 | 2013-01-02 | 武汉特试特科技股份有限公司 | Electrical test equipment simulation device |
| CN104269090A (en) * | 2014-10-14 | 2015-01-07 | 国网四川省电力公司技能培训中心 | Simulation system and method for electricity consumption information acquisition terminal round control switch |
| CN104361796A (en) * | 2014-10-16 | 2015-02-18 | 国家电网公司 | Electric energy metering device simulation training platform |
| CN104361796B (en) * | 2014-10-16 | 2017-05-24 | 国家电网公司 | Electric energy metering device simulation training platform |
| CN105894920A (en) * | 2016-04-07 | 2016-08-24 | 国网浙江省电力公司培训中心 | Fault simulation method of using simulation intelligent electric energy meter |
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Granted publication date: 20100512 Termination date: 20130515 |