CN203775039U - Driver based on sine waves and relay - Google Patents
Driver based on sine waves and relay Download PDFInfo
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- CN203775039U CN203775039U CN201420065380.2U CN201420065380U CN203775039U CN 203775039 U CN203775039 U CN 203775039U CN 201420065380 U CN201420065380 U CN 201420065380U CN 203775039 U CN203775039 U CN 203775039U
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- 238000005070 sampling Methods 0.000 claims description 22
- 238000002955 isolation Methods 0.000 claims description 20
- 238000001914 filtration Methods 0.000 claims description 15
- 230000000087 stabilizing effect Effects 0.000 claims description 12
- 238000007493 shaping process Methods 0.000 claims description 6
- 238000005516 engineering process Methods 0.000 description 10
- 230000009466 transformation Effects 0.000 description 7
- 238000012544 monitoring process Methods 0.000 description 3
- 229910052724 xenon Inorganic materials 0.000 description 3
- FHNFHKCVQCLJFQ-UHFFFAOYSA-N xenon atom Chemical compound [Xe] FHNFHKCVQCLJFQ-UHFFFAOYSA-N 0.000 description 3
- 230000005540 biological transmission Effects 0.000 description 2
- 238000004891 communication Methods 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000009977 dual effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005764 inhibitory process Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
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Abstract
The utility model discloses a driver based on sine waves and a relay, wherein the driver controls output signals of an AC power supply to drive a load. The driver comprises an AC input circuit, a master control circuit, a sine wave drive circuit, a relay drive circuit, a display control circuit, multiple serial interfaces and an AC output circuit, wherein the AC power supply is connected with the input end of the AC input circuit, the output end of the AC input circuit is connected with the input end of the master control circuit, the master control circuit is connected with the sine wave drive circuit and the relay drive circuit, the output end of the sine wave drive circuit is connected with the AC output circuit, the output end of the relay drive circuit is connected with the AC output circuit, the AC output circuit is connected with the load, the multiple serial interfaces are connected with the input end of the master control circuit, and the display control circuit is connected with the master control circuit. Via the driver of the utility model, the sine waves and relay can be automatically selected to output AC independent from each other.
Description
Technical field
The utility model relates to industrial drives control field, more specifically, relates to a kind of based on drive unit sinusoidal wave and relay.
Background technology
In current industrial control system, sinusoidal wave and relay are all generally independently to apply, and advantage and disadvantage separately has all been applied to ultimate attainment.When sine wave and relay application are in light of stage, can there are a little defects in the phase unavoidably, such as, sinusoidal wave bearing power is too little, generally only has 3KW; And relay can not can only use etc. as switch in light modulation.
Summary of the invention
In order to overcome above-mentioned defect, the utility model proposes a kind ofly based on drive unit sinusoidal wave and relay, realize that sinusoidal wave and relay coexists and object that parallel connection separate, that intelligence is selected is automatically exported.
To achieve these goals, the technical solution of the utility model is:
A kind of based on drive unit sinusoidal wave and relay, the output signal that is used for controlling AC AC power is to drive load, comprise AC ac input circuit, governor circuit, sine wave drive circuit, relay drive circuit, display control circuit, serial interface circuit exchanges output circuit with AC, AC AC power connects the input of described AC ac input circuit, the input of the output termination governor circuit of AC ac input circuit, described governor circuit connects respectively sine wave drive circuit and relay drive circuit, the output termination AC of sine wave drive circuit exchanges output circuit, the output termination AC of relay drive circuit exchanges output circuit, AC exchanges output circuit and connects load, described serial line interface connects the input of governor circuit, and described display control circuit connects governor circuit, described serial interface circuit comprises several serial line interfaces.
Separate with relay circuit, the in parallel intelligence of sine wave drive circuit is selected output automatically; AC AC power is controlled object, is also the basic of the normal work of circuit, and this drive unit is treated to the needed DC of other each circuit or AC electric current and voltage by AC ac input circuit by the curtage of AC AC power output; In the time that serial line interface connects multiple signal simultaneously, adopt the preferential principle of large person, finally converging is that an effective control signal is to governor circuit.
Adopt above-mentioned drive unit, export a perfectly sine wave, as long as under the condition that voltage, electric current and frequency meet, can connect conventional lamp, Computer lamp, LED lamp, and to xenon lamp etc. power consumption equipment.
In the preferred scheme of one, described AC ac input circuit comprises and connects in turn voltage changing module, rectification module, filtration module and Voltage stabilizing module, and the output of described voltage changing module also connects governor circuit; The output termination governor circuit of described Voltage stabilizing module.
In the preferred scheme of one, described AC ac input circuit also comprises over-voltage over-current protection module, and described over-voltage over-current protection module connects rectification module and filtration module.
In the preferred scheme of one, described governor circuit comprises temperature collect module, AC current collecting module, overcurrent sampling protection module, light-coupled isolation module, 2 CPU modules, host CPU and CPLD control module, the input of the output termination AC current collecting module of the Voltage stabilizing module in described AC ac input circuit, the input of the output termination light-coupled isolation module of the voltage changing module in AC ac input circuit, the input of the output termination sine wave drive circuit of light-coupled isolation module, the input termination sine wave drive circuit of temperature sampling module, the input termination AC of overcurrent sampling protection module exchanges output circuit, described temperature collect module, the output of AC current collecting module and overcurrent sampling protection module all connects CPLD control module, the number of described CPU module is identical with the number of serial line interface, each serial line interface connects host CPU by the CPU module corresponding with it respectively, described host CPU connects CPLD control module.
In the preferred scheme of one, described governor circuit also comprises reseting module.
In the preferred scheme of one, described sine wave drive circuit comprises IGBT module and AC-AC amplitude modulation module, the input of the output termination IGBT module of the light-coupled isolation module in described governor circuit, the input of the output termination AC-AC amplitude modulation module of IGBT module, the output termination AC of AC-AC amplitude modulation module exchanges output circuit; The input termination IGBT module of the temperature sampling module in described governor circuit.
Electric current (voltage) part for above-mentioned AC AC power output is only by voltage changing module transformation, and the electric current after transformation (voltage) is inputed to IGBT module after the isolation of light-coupled isolation module, electric current (voltage) another part of AC AC power output is input to alternating current sampling module, and input to CPLD control module, temperature sampling module is for gathering the temperature of IGBT module, so that the temperature of monitoring IGBT.Governor circuit is also sampled and is comprised that module exchanges output circuit to AC and carries out over-current over-voltage protection by overcurrent.
IGBT in above-mentioned sine wave drive circuit adopts the sinusoidal wave main devices of controlling high pressure, heavy load, is the sinusoidal wave important step that the life-span is set of mixing application technology with relay.
In the preferred scheme of one, sine wave drive circuit coexists with relay drive circuit double circuit and intelligence separate, in parallel is selected output automatically, and simultaneously described AC exchanges output circuit and comprises filtration module and Shaping Module.Can there is the bad phenomenon such as a little spike and burr in the AC alternating current by sine wave drive circuit or relay drive circuit output.Therefore exchange in output circuit by AC, carry out filtering, reparation, shaping and just can obtain perfect sine wave.
After the drive unit of AC AC power input sine wave and relay, power supply flows to and is divided into two parts: some be electric current carry out wait until+3.3V of transformation, rectification, filtering and voltage stabilizing ,+5V ,+14V and-voltages such as 14V supply with governor circuit and normally work.Another part is, under the control of governor circuit, by light-coupled isolation, under the driving of IGBT, carry out AC-AC amplitude adjustment control or pass through the zero cross fired control of relay, thereby between realizing input and exporting, frequency is that equate, complete, (light modulation) of amplitude modulation or (zero cross fired) sine wave of constant amplitude; And can carry out sine wave control or the automatic switchover of Control intelligence according to the mode of operation of the drive unit of sinusoidal wave and relay.
Compared with prior art, the beneficial effects of the utility model are: the utility model is by governor circuit control sine wave drive circuit or control relay circuit, thereby reach on-the-spot according to the feature of load and demand, intelligence automatically selects sine wave or relay output is complete, alternating current that frequency is consistent with input, sinusoidal wave, realizes object sinusoidal wave and the parallel connection output that relay is separate, intelligence is selected automatically.
Brief description of the drawings
Fig. 1 is of the present utility model based on schematic diagram sinusoidal wave and relay controller.
Embodiment
Below in conjunction with accompanying drawing, the utility model is further described, but execution mode of the present utility model is not limited to this.
As Fig. 1, a kind of based on drive unit sinusoidal wave and relay, the output signal that is used for controlling AC AC power is to drive load, comprise AC ac input circuit, governor circuit, sine wave drive circuit, relay drive circuit, LCM display control circuit, the serial port circuit of several serial line interface compositions exchanges output circuit with AC, the input termination AC AC power of AC ac input circuit, the input of the output termination governor circuit of AC ac input circuit, governor circuit connects respectively sine wave drive circuit and relay drive circuit, the output termination AC of sine wave drive circuit exchanges output circuit, the output termination AC of relay drive circuit exchanges output circuit, AC exchanges output circuit and connects load, several serial line interfaces connect the input of governor circuit, and LCM display control circuit connects governor circuit.
AC AC power is controlled object, also be the basic of the normal work of circuit, this drive unit is treated to the needed DC of other each circuit or AC electric current and voltage by AC ac input circuit by the curtage of AC AC power output, adopt dual serial interface at the present embodiment serial interface circuit, when serial line interface is received respectively 2 signals, adopt the preferential principle of large person, finally converging is that an effective control signal is to governor circuit.
Adopt above-mentioned drive unit, export a perfectly sine wave, as long as under the condition that voltage, electric current and frequency meet, can connect conventional lamp, Computer lamp, LED lamp, and to xenon lamp etc. power consumption equipment.
AC ac input circuit comprises and connects in turn voltage changing module, rectification module, filtration module and Voltage stabilizing module, and the output of voltage changing module is also by connecing governor circuit; The output termination governor circuit of Voltage stabilizing module; AC ac input circuit also comprises over-voltage over-current protection module, and over-voltage over-current protection module connects rectification module and filtration module.
After the drive unit of AC AC power input sine wave and relay, power supply flows to and is divided into two parts: some be electric current carry out wait until+3.3V of transformation, rectification, filtering and voltage stabilizing ,+5V ,+14V and-voltages such as 14V supply with governor circuit and normally work.Another part is, under the control of governor circuit, by light-coupled isolation, under the driving of IGBT, carry out AC-AC amplitude adjustment control or pass through the zero cross fired control of relay, thereby between realizing input and exporting, frequency is that equate, complete, (light modulation) of amplitude modulation or (zero cross fired) sine wave of constant amplitude; And can carry out sine wave control or the automatic switchover of Control intelligence according to the mode of operation of the drive unit of sinusoidal wave and relay.
Governor circuit comprises temperature collect module, AC current collecting module, overcurrent sampling protection module, light-coupled isolation module, 2 CPU modules, host CPU and CPLD control module, the input of the output termination AC current collecting module of the Voltage stabilizing module in described AC ac input circuit, the input of the output termination light-coupled isolation module of the voltage changing module in AC ac input circuit, the input of the output termination sine wave drive circuit of light-coupled isolation module, the input termination sine wave drive circuit of temperature sampling module, the input termination AC of overcurrent sampling protection module exchanges output circuit, described temperature collect module, the output of AC current collecting module and overcurrent sampling protection module all connects CPLD control module, the number of CPU module is identical with the number of serial line interface, also be two, each serial line interface connects host CPU by the CPU module corresponding with it respectively, described host CPU connects CPLD control module, governor circuit also comprises reseting module.
Sine wave drive circuit comprises IGBT module and AC-AC amplitude modulation module, the input of the output termination IGBT module of the light-coupled isolation module in governor circuit, the input of the output termination AC-AC amplitude modulation module of IGBT module, the output termination AC of AC-AC amplitude modulation module exchanges output circuit; The input termination IGBT module of the temperature sampling module in governor circuit.
Electric current (voltage) part for above-mentioned AC AC power output is only by voltage changing module transformation, and the electric current after transformation (voltage) is inputed to IGBT module after the isolation of light-coupled isolation module, electric current (voltage) another part of AC AC power output is input to alternating current sampling module, and input to CPLD control module, temperature sampling module is for gathering the temperature of IGBT module, so that the temperature of monitoring IGBT.Governor circuit is also sampled and is comprised that module exchanges output circuit to AC and carries out over-current over-voltage protection by overcurrent.
IGBT in above-mentioned sine wave drive circuit adopts the sinusoidal wave main devices of controlling high pressure, heavy load, is sinusoidal wave important step of mixing the equipment life of application technology with relay.
AC exchanges output circuit and comprises filtration module and Shaping Module.Can there is the bad phenomenon such as a little spike and burr in the AC alternating current by sine wave drive circuit or relay drive circuit output.Therefore exchange in output circuit by AC, carry out filtering, reparation, shaping and just can obtain perfect sine wave.
1, AC ac input circuit, mixes in application technology with relay sinusoidal wave, and AC AC power is controlled object, is also the basic of the normal work of circuit.And sine wave mixes application technology with relay and just adopts AC to exchange input, obtains the needed DC of each functional module or AC electric current and voltage by transformation, rectification, filtering and voltage stabilizing etc.Meanwhile, also there is monitoring and the protective circuit of overcurrent, overvoltage.
2, RS485 serial line interface, is connected to CPU module by DMX512 agreement, and DMX512 agreement is the communications protocol the most general serial of light of stage, based on RS485 hardware foundation.Single sine wave mixes application technology with relay, has two DMX512 inputs, in the time receiving 2 signals, adopts the preferential principle of large person simultaneously, and finally converging is that an effective control signal is to governor circuit.
3, governor circuit, governor circuit mainly comprises: temperature sampling module, alternating current sampling module, overcurrent sampling protection module, reseting module, CPLD control module and 3 CPU work coordinations simultaneously, reliable and stable mutual communicating circuit etc.; 3 CPU comprise two CPU modules, a host CPU.In governor circuit, most critical, most important, most crucial is CPLD control module, CPLD (CPLD) is programmable logic device, has that flexible in programming, integrated level are high, quick, a feature such as good confidentiality, cost are low.Therefore, governor circuit is the sinusoidal wave control axis that mixes application technology equipment with relay, and the source of steady ordered communication and terminal are the basic guarantees of the normal work of whole equipment, wherein host CPU adopts STC12C5A48S2, in CPU module, adopts STC12C5616.
The realization of 4, light-coupled isolation module, signal one-way transmission, input and output have been realized electrical isolation completely, and output signal and input signal have no effect, and antijamming capability is strong, and working stability is contactless, and efficiency of transmission is high.The more important thing is that optocoupler input belongs to the low resistance element of current mode work, there is very strong common mode inhibition capacity, thereby improve the signal to noise ratio of system; Light current and forceful electric power are insulated completely simultaneously, prevent from going here and there interference problem, improve equipment performance and quality.
5, sine wave drive circuit, sine wave drive main circuit will comprise IGBT module and AC-AC amplitude modulation module; IGBT is the sinusoidal wave main devices of controlling high pressure, heavy load, is sinusoidal wave important step equipment life of mixing application technology with relay.
6, relay drive circuit, relay is that it realizes remote auto control function by the most frequently used electronic device of light current control forceful electric power, relay belongs to the device of contact point, in the time of contact, can be accompanied by the generation of spark, if control the damage that bad meeting causes relay, even fire.For avoiding these bad consequences, we adopt zero crossing handoff technique.
7, AC exchanges output circuit, can have the bad phenomenon such as a little spike and burr by the AC alternating current of sine wave drive circuit or relay drive circuit output.Therefore exchange in output circuit by AC, carry out filtering, reparation, shaping and just can obtain perfect sine wave.
8, load, what mix the output of application technology equipment with relay because sinusoidal wave is perfect, complete, (light modulation) of variable-magnitude or (zero cross fired) sine wave for constant amplitude, as long as under the condition that voltage, electric current and frequency meet, can be connected to conventional lamp, Computer lamp, LED lamp, and to xenon lamp etc. power consumption equipment.The namely sinusoidal wave load that mixes application technology equipment with relay can be resistive, capacitive and any equipment such as perceptual.
Above-described execution mode of the present utility model, does not form the restriction to the utility model protection range.Any amendment of having done within spiritual principles of the present utility model, be equal to and replace and improvement etc., within all should being included in claim protection range of the present utility model.
Claims (7)
1. the drive unit based on sinusoidal wave and relay, the output signal that is used for controlling AC AC power is to drive load, it is characterized in that, comprise AC ac input circuit, governor circuit, sine wave drive circuit, relay drive circuit, display control circuit, serial interface circuit exchanges output circuit with AC, AC AC power connects the input of described AC ac input circuit, the input of the output termination governor circuit of AC ac input circuit, described governor circuit connects respectively sine wave drive circuit and relay drive circuit, the output termination AC of sine wave drive circuit exchanges output circuit, the output termination AC of relay drive circuit exchanges output circuit, AC exchanges output circuit and connects load, described serial line interface connects the input of governor circuit, and described display control circuit connects governor circuit, described serial interface circuit comprises several serial line interfaces.
2. according to claim 1 based on drive unit sinusoidal wave and relay, it is characterized in that, described AC ac input circuit comprises and connects in turn voltage changing module, rectification module, filtration module and Voltage stabilizing module, and the output of described voltage changing module also connects governor circuit; The output termination governor circuit of described Voltage stabilizing module.
3. the drive unit based on sinusoidal wave and relay according to claim 2, is characterized in that, described AC ac input circuit also comprises over-voltage over-current protection module, and described over-voltage over-current protection module connects rectification module and filtration module.
4. according to claim 3 based on drive unit sinusoidal wave and relay, it is characterized in that, described governor circuit comprises temperature collect module, AC current collecting module, overcurrent sampling protection module, light-coupled isolation module, 2 CPU modules, host CPU and CPLD control module, the input of the output termination AC current collecting module of the Voltage stabilizing module in described AC ac input circuit, the input of the output termination light-coupled isolation module of the voltage changing module in AC ac input circuit, the input of the output termination sine wave drive circuit of light-coupled isolation module, the input termination sine wave drive circuit of temperature sampling module, the input termination AC of overcurrent sampling protection module exchanges output circuit, described temperature collect module, the output of AC current collecting module and overcurrent sampling protection module all connects CPLD control module, the number of described CPU module is identical with the number of serial line interface, each serial line interface connects host CPU by the CPU module corresponding with it respectively, described host CPU connects CPLD control module.
5. the drive unit based on sinusoidal wave and relay according to claim 4, is characterized in that, described governor circuit also comprises reseting module.
6. according to claim 5 based on drive unit sinusoidal wave and relay, it is characterized in that, described sine wave drive circuit comprises IGBT module and AC-AC amplitude modulation module, the input of the output termination IGBT module of the light-coupled isolation module in described governor circuit, the input of the output termination AC-AC amplitude modulation module of IGBT module, the output termination AC of AC-AC amplitude modulation module exchanges output circuit; The input termination IGBT module of the temperature sampling module in described governor circuit.
7. the drive unit based on sinusoidal wave and relay according to claim 6, is characterized in that, described AC exchanges output circuit and comprises filtration module and Shaping Module.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420065380.2U CN203775039U (en) | 2014-02-14 | 2014-02-14 | Driver based on sine waves and relay |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420065380.2U CN203775039U (en) | 2014-02-14 | 2014-02-14 | Driver based on sine waves and relay |
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| Publication Number | Publication Date |
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| CN203775039U true CN203775039U (en) | 2014-08-13 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201420065380.2U Expired - Lifetime CN203775039U (en) | 2014-02-14 | 2014-02-14 | Driver based on sine waves and relay |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107623978A (en) * | 2017-09-22 | 2018-01-23 | 中国科学院西安光学精密机械研究所 | Expansible Wind-cooling type xenon long-arc lamp array control device and method |
| CN107635325A (en) * | 2016-07-18 | 2018-01-26 | 广州市新舞台灯光设备有限公司 | A kind of light of stage Intelligent Recognition automatic switching control system |
-
2014
- 2014-02-14 CN CN201420065380.2U patent/CN203775039U/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107635325A (en) * | 2016-07-18 | 2018-01-26 | 广州市新舞台灯光设备有限公司 | A kind of light of stage Intelligent Recognition automatic switching control system |
| CN107623978A (en) * | 2017-09-22 | 2018-01-23 | 中国科学院西安光学精密机械研究所 | Expansible Wind-cooling type xenon long-arc lamp array control device and method |
| CN107623978B (en) * | 2017-09-22 | 2024-01-05 | 中国科学院西安光学精密机械研究所 | Expandable air-cooled long-arc xenon lamp array control device and method |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20140813 |