CN203537240U - Intelligent temperature control device of variable-frequency power supply of moulding pressing bench - Google Patents
Intelligent temperature control device of variable-frequency power supply of moulding pressing bench Download PDFInfo
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- CN203537240U CN203537240U CN201320742863.7U CN201320742863U CN203537240U CN 203537240 U CN203537240 U CN 203537240U CN 201320742863 U CN201320742863 U CN 201320742863U CN 203537240 U CN203537240 U CN 203537240U
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- 238000003825 pressing Methods 0.000 title claims abstract description 34
- 238000000465 moulding Methods 0.000 title abstract 3
- 238000009434 installation Methods 0.000 claims description 6
- 238000005259 measurement Methods 0.000 claims description 4
- 238000012544 monitoring process Methods 0.000 claims description 4
- 238000002955 isolation Methods 0.000 abstract description 3
- 238000004519 manufacturing process Methods 0.000 abstract description 2
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Abstract
The utility model provides an intelligent temperature control device of a variable-frequency power supply of a moulding pressing bench, and belongs to the technical field of motor manufacturing. The temperature control device comprises a power supply device and a temperature measuring circuit. The power supply device comprises a three-phase five-wire system power input end, a three-phase breaker, a rectifying device, an invertion device, an isolation transformer, and a protection drive circuit. The rectifying device is an AC/DC converter. The invertion device is a DC/AC converter. The isolation transformer has functions of voltage reducing and current increasing, and an output end is connected with a measuring display circuit. The protection drive circuit is connected with a control end of the rectifying device and a drive end of the invertion device. The protection drive circuit, the measuring display circuit, and the temperature measuring circuit are connected with a synthetic display control device. The intelligent temperature control device of a variable-frequency power supply of a moulding pressing bench can not only solve a problem of the prior art that single-phase power is not balanced, but also power and a power factor of the power supply are improved. The intelligent temperature control device can realize automatic voltage control, and a problem that control precision is low under a condition of manual voltage regulation.
Description
Technical field
Mold pressing platform variable frequency power supply intelligent temperature control device belongs to a motor manufacturing technology field, is specifically related to a kind of for controlling the attemperating unit of motor lines rod heat-shaping.
Background technology
In the data that can find and the product that can buy, mold pressing platform supply unit all adopts saturable reactor pressure regulation, and this voltage regulating mode exists power-efficient and the low shortcoming of power factor.In addition, owing to using single phase alternating current power supply power supply, cause power plant seriously uneven, often occur because wherein a phase current is excessive, cause the problem of electric power system tripping operation, impact is normally produced.In addition, all Regulation Control are by rule of thumb manual operation of operating personnel, and due to the difference existing in subjective judgement, so control precision is low.
In sum, existing mold pressing platform supply unit has following three shortcomings:
The first, power-efficient and power factor are low;
The second, unbalanced power supply;
Three, control precision is low.
Summary of the invention
In order to address the above problem, the utility model has designed a kind of mold pressing platform variable frequency power supply intelligent temperature control device, this attemperating unit not only can solve the unbalanced problem of prior art single phase poaer supply, and can improve power-efficient and power factor, can realize automatic Regulation, the low problem of control precision under manual voltage regulation condition in solution prior art simultaneously.
The purpose of this utility model is achieved in that
A mold pressing platform variable frequency power supply intelligent temperature control device, comprises for giving electric supply installation that line rod heats and for monitoring the temperature measuring circuit of line rod temperature; Described electric supply installation comprises three-phase five-wire mode power input, three-phase breaker, rectifying device, inverter, isolating transformer and protection drive circuit;
Described three-phase five-wire mode power input comprises AC power A, AC power B, AC power C, zero line N and ground wire PE;
The input of described three-phase breaker connects AC power A, AC power B and the AC power C of three-phase five-wire mode power input;
Described rectifying device is AC/DC converter, and input is connected with the output of three-phase breaker;
Described inverter is DC/AC converter, and input is connected with the output of rectifying device;
Described isolating transformer has step-down up-flow function, and the output of isolating transformer is single phase poaer supply output, is connected with measurement display circuit;
Described protection drive circuit connects the control end of rectifying device, connects the drive end of inverter;
Described protection drive circuit, measurement display circuit are connected synthetic display control appliance with temperature measuring circuit.
Above-mentioned a kind of mold pressing platform variable frequency power supply intelligent temperature control device, described three-phase breaker adopts positive safe NM1-630.
Above-mentioned a kind of mold pressing platform variable frequency power supply intelligent temperature control device, described inverter is the H inverter bridge that 4 insulated gate bipolar transistor IGBTs form, all insulated gate bipolar transistor IGBTs all adopt the FZ900R12KE4 of Infineon.
Above-mentioned a kind of mold pressing platform variable frequency power supply intelligent temperature control device, described isolating transformer model is HYDG.
Above-mentioned a kind of mold pressing platform variable frequency power supply intelligent temperature control device, described protection drive circuit adopts A316J inversion module drive circuit.
Above-mentioned a kind of mold pressing platform variable frequency power supply intelligent temperature control device, the PT100 that the temperature sensor in described temperature measuring circuit adopts Beijing match hundred million to insult.
Above-mentioned a kind of mold pressing platform variable frequency power supply intelligent temperature control device, described synthetic display control appliance is industrial panel computer.
Described synthetic display control appliance selects to grind magnificent TPC-1570H panel computer.
Beneficial effect:
1, the utility model power pack comprises the design of three-phase five-wire mode power input, three-phase breaker, rectifying device, inverter, isolating transformer and single phase poaer supply output, realize the output of three-phase input single-phase, solved the unbalanced problem of prior art single phase poaer supply;
2, the utility model power pack is designed with rectifying device and inverter, realizes variable frequency power supply pressure regulation, has improved power-efficient and power factor;
3, the utility model is designed with the temperature measuring circuit for monitoring workpiece temperature; for controlling protection rectifying device and for driving the protection drive circuit of inverter; can be according to the temperature of workpiece; by protection drive circuit, automatically adjust the parameter of rectifying device and inverter; realize automatic Regulation, the low problem of control precision under manual voltage regulation condition in solution prior art.
Accompanying drawing explanation
Fig. 1 is the utility model mold pressing platform variable frequency power supply intelligent temperature control device Circuits System schematic diagram.
Fig. 2 is the circuit connection diagram of three-phase breaker and rectifying device.
Fig. 3 is the circuit diagram of inverter.
Fig. 4 is the connection diagram in circuit of isolating transformer.
Fig. 5 is the circuit connection diagram of protection drive circuit.
In figure: 1 three-phase five-wire mode power input, 2 three-phase breakers, 3 rectifying devices, 4 inverters, 5 isolating transformers, 6 protection drive circuits, 7 are measured display circuit, 8 temperature measuring circuits, 9 synthetic display control appliances, 10 line rods.
Embodiment
Below in conjunction with accompanying drawing, the utility model embodiment is described in further detail.
The mold pressing platform variable frequency power supply intelligent temperature control device of the present embodiment, Circuits System schematic diagram as shown in Figure 1.This mold pressing platform variable frequency power supply intelligent temperature control device comprises for giving electric supply installation that line rod 10 heats and for monitoring the temperature measuring circuit 8 of line rod 10 temperature; Described electric supply installation comprises three-phase five-wire mode power input 1, three-phase breaker 2, rectifying device 3, inverter 4, isolating transformer 5 and protection drive circuit 6;
Described three-phase five-wire mode power input 1 comprises AC power A, AC power B, AC power C, zero line N and ground wire PE;
The input of described three-phase breaker 2 connects AC power A, AC power B and the AC power C of three-phase five-wire mode power input 1;
Described rectifying device 3 is AC/DC converter, and input is connected with the output of three-phase breaker 2;
Described inverter 4 is DC/AC converter, and input is connected with the output of rectifying device 3;
Described isolating transformer 5 has step-down up-flow function, and the output of isolating transformer 5 is single phase poaer supply output, is connected with and measures display circuit 8;
Described protection drive circuit 6 connects the control end of rectifying device 3, connects the drive end of inverter 4;
Described protection drive circuit 6, measurement display circuit 7 are connected synthetic display control appliance 9 with temperature measuring circuit 8.
Above-mentioned mold pressing platform variable frequency power supply intelligent temperature control device, described three-phase breaker 2 adopts positive safe NM1-630.
Above-mentioned mold pressing platform variable frequency power supply intelligent temperature control device, the rectification that the described large current hollow air cock of rectifying device 3 use, rectification module are realized input ac power, described large current hollow air cock adopts the positive safe NM1 in Zhejiang.
The circuit connection diagram of three-phase breaker 2 and rectifying device 3 as shown in Figure 2.
Above-mentioned mold pressing platform variable frequency power supply intelligent temperature control device, described inverter 4 is the H inverter bridge that 4 insulated gate bipolar transistor IGBTs form, all insulated gate bipolar transistor IGBTs all adopt the FZ900R12KE4 of Infineon.The circuit diagram of inverter 4 as shown in Figure 3.
Above-mentioned mold pressing platform variable frequency power supply intelligent temperature control device, described isolating transformer 5 models are HYDG.The connection diagram in circuit of isolating transformer 5 as shown in Figure 4.
Above-mentioned mold pressing platform variable frequency power supply intelligent temperature control device, described protection drive circuit 6 adopts A316J inversion module drive circuit.The circuit connection diagram of protection drive circuit 6 as shown in Figure 5.
The VIN+ on the A316J left side in Fig. 5; FAULT is connected with synthetic display control appliance respectively with RESET, R7, R8; R9; D5, D6 and C12 play input protection effect, and main interlocked of Q3 used; when two-way pwm signal is all high level; Q3 conducting, drags down incoming level, and making output is also low level.Interlock and Interlock2 are interlocking signal.R1 and C2 have played the amplification of fault-signal and filtering, after having interference signal, can allow synthetic display control appliance correctly receive information.At output, R5 and C7 are related to speed and the switching loss that IGBT opens, and C3 mainly plays charging time-lag action, if there is no C3, can send mistakenly short trouble signal, make to export direct shutoff.When chip is normally worked, if collector voltage moment rising recovers normal afterwards at once, if there is no C3, also can send wrong fault-signal, IGBT mistake is turn-offed.At collector electrode testing circuit, with two diode D1, D2, contact, can improve overall oppositely withstand voltage, thereby can improve drive voltage level, the effect of R4 and C5 is to retain A316J to occur the soft turn-off characteristic having after over-current signal, and the electric discharge that its principle is C5 by internal transistor realizes soft shutoff.A316J chip output voltage VO UT recommends output through two quick triode Q1, Q2, and drive current is increased, can fast driving IGBT.
Above-mentioned mold pressing platform variable frequency power supply intelligent temperature control device, the PT100 that the temperature sensor in described temperature measuring circuit 8 adopts Beijing match hundred million to insult.
Above-mentioned mold pressing platform variable frequency power supply intelligent temperature control device, described synthetic display control appliance 9 is industrial panel computer, in the present embodiment, adopts and grinds magnificent TPC-1570H panel computer.
The concrete function of the utility model mold pressing platform variable frequency power supply intelligent temperature control device is: the main circuit employing of variable frequency power supply " hand over---directly---hand over " voltage-type frequency changer circuit, mainly by rectification, filtering, inversion, formed.Rectifying part adopts three-phase bridge commutating module, realizes the conversion of AC/DC; Filtering link adopts filter capacitor to carry out stable DC voltage; The H inverter bridge that Converting Unit adopts 4 single tube IGBT to form, realizes the conversion of DC/AC.The control circuit of variable frequency power supply adopts advanced SPWM inversion transformation technique, two Closed loop Control, adopts the technology such as digital frequency division, instantaneous values feedback, sinusoidal pulse width modulation, is used for regulating frequency and the amplitude of power-supply system output signal, realizes variable voltage variable frequency.Reliable for guaranteeing system safety, be provided with over-and under-voltage and detect protective circuit, optical couple isolation drive circuit, accessory power supply change-over circuit etc.With isolating transformer, export to increase complete machine stability; there is the features such as workload-adaptability is strong, output waveform quality better; and special in different environment, there is overvoltage, overcurrent, overload, mistake high temperature, short circuit automatic separating protection alarm device, to guarantee power supply reliability service.And adopted intelligent control system, can automatically realize intensification, insulation, stopping function according to design temperature.Make whole operation realize whole automations.
Claims (8)
1. a mold pressing platform variable frequency power supply intelligent temperature control device, is characterized in that, comprises for giving electric supply installation that line rod (10) heats and for monitoring the temperature measuring circuit (8) of line rod (10) temperature; Described electric supply installation comprises three-phase five-wire mode power input (1), three-phase breaker (2), rectifying device (3), inverter (4), isolating transformer (5) and protection drive circuit (6);
Described three-phase five-wire mode power input (1) comprises AC power A, AC power B, AC power C, zero line N and ground wire PE;
The input of described three-phase breaker (2) connects AC power A, AC power B and the AC power C of three-phase five-wire mode power input (1);
Described rectifying device (3) is AC/DC converter, and input is connected with the output of three-phase breaker (2);
Described inverter (4) is DC/AC converter, and input is connected with the output of rectifying device (3);
Described isolating transformer (5) has step-down up-flow function, and the output of isolating transformer (5) is single phase poaer supply output, is connected with and measures display circuit (8);
Described protection drive circuit (6) connects the control end of rectifying device (3), connects the drive end of inverter (4);
Described protection drive circuit (6), measurement display circuit (7) are connected synthetic display control appliance (9) with temperature measuring circuit (8).
2. a kind of mold pressing platform variable frequency power supply intelligent temperature control device according to claim 1, is characterized in that, described three-phase breaker (2) adopts positive safe NM1-630.
3. a kind of mold pressing platform variable frequency power supply intelligent temperature control device according to claim 1, it is characterized in that, described inverter (4) is the H inverter bridge that 4 insulated gate bipolar transistor IGBTs form, and all insulated gate bipolar transistor IGBTs all adopt the FZ900R12KE4 of Infineon.
4. a kind of mold pressing platform variable frequency power supply intelligent temperature control device according to claim 1, is characterized in that, described isolating transformer (5) model is HYDG.
5. a kind of mold pressing platform variable frequency power supply intelligent temperature control device according to claim 1, is characterized in that, described protection drive circuit (6) adopts A316J inversion module drive circuit.
6. a kind of mold pressing platform variable frequency power supply intelligent temperature control device according to claim 1, is characterized in that, the PT100 that the temperature sensor in described temperature measuring circuit (8) adopts Beijing match hundred million to insult.
7. a kind of mold pressing platform variable frequency power supply intelligent temperature control device according to claim 1, is characterized in that, described synthetic display control appliance (9) is industrial panel computer.
8. a kind of mold pressing platform variable frequency power supply intelligent temperature control device according to claim 7, is characterized in that, described synthetic display control appliance (9) selects to grind magnificent TPC-1570H panel computer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320742863.7U CN203537240U (en) | 2013-11-22 | 2013-11-22 | Intelligent temperature control device of variable-frequency power supply of moulding pressing bench |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320742863.7U CN203537240U (en) | 2013-11-22 | 2013-11-22 | Intelligent temperature control device of variable-frequency power supply of moulding pressing bench |
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| CN203537240U true CN203537240U (en) | 2014-04-09 |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103715912A (en) * | 2013-11-22 | 2014-04-09 | 哈尔滨宏宇整流开关厂 | Intelligent temperature control device of mold pressing platform variable-frequency power source |
| CN114337312A (en) * | 2021-12-30 | 2022-04-12 | 广州西门子变压器有限公司 | Variable frequency power supply |
| CN115684757A (en) * | 2021-07-31 | 2023-02-03 | 宁德时代新能源科技股份有限公司 | Test system, method, electronic equipment and storage medium of power conversion device |
-
2013
- 2013-11-22 CN CN201320742863.7U patent/CN203537240U/en not_active Expired - Lifetime
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103715912A (en) * | 2013-11-22 | 2014-04-09 | 哈尔滨宏宇整流开关厂 | Intelligent temperature control device of mold pressing platform variable-frequency power source |
| CN115684757A (en) * | 2021-07-31 | 2023-02-03 | 宁德时代新能源科技股份有限公司 | Test system, method, electronic equipment and storage medium of power conversion device |
| WO2023011051A1 (en) * | 2021-07-31 | 2023-02-09 | 宁德时代新能源科技股份有限公司 | Test system and method for power conversion apparatus, and electronic device and storage medium |
| CN115684757B (en) * | 2021-07-31 | 2024-04-09 | 宁德时代新能源科技股份有限公司 | Test system and method for power conversion device, electronic equipment and storage medium |
| US12392844B2 (en) | 2021-07-31 | 2025-08-19 | Contemporary Amperex Technology (Hong Kong) Limited | Test system and method for power conversion devices, electronic device, and storage medium |
| CN114337312A (en) * | 2021-12-30 | 2022-04-12 | 广州西门子变压器有限公司 | Variable frequency power supply |
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Granted publication date: 20140409 |