CN202878630U - Asynchronous servo energy-saving environmental protection device - Google Patents
Asynchronous servo energy-saving environmental protection device Download PDFInfo
- Publication number
- CN202878630U CN202878630U CN 201220472662 CN201220472662U CN202878630U CN 202878630 U CN202878630 U CN 202878630U CN 201220472662 CN201220472662 CN 201220472662 CN 201220472662 U CN201220472662 U CN 201220472662U CN 202878630 U CN202878630 U CN 202878630U
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- asynchronous
- relay
- circuit board
- servo
- led display
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- Injection Moulding Of Plastics Or The Like (AREA)
Abstract
The utility model discloses an asynchronous servo energy-saving environmental protection device which comprises a linked switch RST connected with a three-phase power supply, a transformer T capable of converting 380V into 220V, a motor M and an injection molding machine controller, wherein the linked switch RST is connected with the transformer T capable of converting 380V into 220V; the asynchronous servo energy-saving environmental protection device also comprises an asynchronous servo driver, an LED (Light Emitting Diode) display circuit board, an isolation circuit board and a relay control circuit; the linked switch RST is connected with the asynchronous servo driver and the relay control circuit; the asynchronous servo driver is connected with the LED display circuit board and the relay control circuit; the relay control circuit is connected with the motor M, the LED display circuit board and the injection molding machine controller; the LED display circuit board is connected with the isolation circuit board; and the isolation circuit board is connected with the injection molding machine controller. The asynchronous servo energy-saving environmental protection device has the advantages of being accurate in control, low in cost, high in cost performance and reliable to work.
Description
Technical field
The utility model relates to Servocontrol device, specifically refers to a kind of asynchronous energy-saving servo environmental protection equipment.
Background technology
The Rotational Speed of Asynchronous Motor formula is: N=120f/p(1-s), N---motor speed, f---supply frequency, p---number of magnetic poles, s---revolutional slip.6 for the p=6(number of magnetic poles), synchronous rotational speed=120 * 50/6=1000 rev/min.Wherein, 120f/p is determined by motor, and (1-s) by the load decision, and load is larger, and revolutional slip is larger.The rotating speed of motor is followed simultaneously supply frequency and revolutional slip and is changed, the energy-conservation employing converter technique of the first generation, only considered the adjustment of frequency to motor speed, and do not consider that revolutional slip is on the impact of motor speed, cause that hydraulic system is unstable, injection machine production efficiency descends, the shortcomings such as power saving rate is low, this is because frequency conversion does not have reponse system, can not constantly monitor load to the impact of motor speed and feed back, rotating speed that can not the inching motor can not make actual speed and instruction rotating speed very approaching.
Because there is fatal shortcoming in energy-saving and frequency-variable, and synchronous servo energy-conservation very expensive, transform complicated, after-sale service is difficult.
Asynchronous servo power saving rate and injection machine velocity amplitude (also being flow value, 0～99%) are inversely proportional to, and velocity amplitude is less, and power saving rate is higher, and velocity amplitude is larger, and power saving rate is lower.In the time of cooling, velocity amplitude is 0, this stage power saving rate 100%, if the melten gel velocity amplitude is 30%, the power saving rate in this stage is exactly 70%, and other situation, by that analogy.
The utility model content
The purpose of this utility model provides a kind of precise control, cost is low, cost performance is high, the asynchronous energy-saving servo environmental protection equipment of reliable operation.
To achieve these goals, the utility model is designed a kind of asynchronous energy-saving servo environmental protection equipment, it comprises the linked switch RST that is connected with three phase mains, 380V turns 220V transformer T, motor M and controller of plastic injection molding, described linked switch RST turns the 220V transformer with 380V and is connected, also include asynchronous servo-driver, the LED display circuit board, buffer circuit plate and control relay circuit, described linked switch RST is connected with control relay circuit with asynchronous servo-driver respectively, asynchronous servo-driver is connected with control relay circuit with the LED display circuit board, control relay circuit and motor M, the LED display circuit board is connected with controller of plastic injection molding, the LED display circuit board is connected with the buffer circuit plate, and described buffer circuit plate is connected with controller of plastic injection molding.
The X6 of described asynchronous servo-driver, X7, COM end are connected with the change-over switch K1 that civil power/economize on electricity is selected respectively.
Described control relay circuit includes relay K M1, KM2, KM3, KM4, KM5, the normally opened contact of relay K M4 respectively with linked switch RST, the normally opened contact of relay K M2 and the R of asynchronous servo-driver, S, T holds connection, the normally opened contact of relay K M2 is connected with motor M, between the normally opened contact of relay K M2 and motor M, be connected with relay K M3, asynchronous servo-driver U, V, the W output is connected with the normally opened contact of KM5, the normally opened contact of KM5 is connected with the normally opened contact of KM1 respectively, the normally opened contact of KM1 is connected with motor M, the output that 380V turns the 220V transformer respectively with relay K M4, one end of the coil of KM5 connects, the other end of the coil of relay K M4 is connected with the normal-closed end of KM5, the normal-closed end of KM5 is connected with the LED display circuit board, the other end of the coil of relay K M5 is connected with the normal-closed end of KM4, the normal-closed end of KM4 is connected relay K M1 with the LED display circuit board, KM2, the coil of KM3 is connected with controller of plastic injection molding respectively.
The P of described asynchronous servo-driver end ,+485 ends ,-485 ends are connected with X1 respectively and are connected with the LED display circuit board.
Described LED display circuit board is connected with the buffer circuit plate by CN6, CN7 end.
The EM1 of described buffer circuit plate, EM2 end is connected with controller of plastic injection molding.
Be provided with scram button K2 between the EM1 end of described buffer circuit plate and the controller of plastic injection molding.
The asynchronous energy-saving servo environmental protection equipment of the utility model can be realized Asynchronous Frequency-variable control.The utility model is under the energy-conservation inspiration of energy-saving and frequency-variable and synchronous servo, vector operation by the advanced person, electric current loop being fed back (servo most crucial feedback) successfully applies on the converter technique, realized that motor the most only needs about 0.1 second (100 milliseconds) from static running to, synchronous with the proportioning valve response time, solved injection machine production efficiency this industry bottleneck that descends with very simple method, need not change motor and oil pump, need not change Hydraulic System for Injection Moulding Machine hardware, just can reach the identical power savings of synchronous servo, and can promote injection machine production efficiency, the generation of this technology will exert far reaching influence to injection machine energy-saving.
Description of drawings
Fig. 1 is the circuit theory schematic diagram of the asynchronous energy-saving servo environmental protection equipment of the utility model.
The specific embodiment
For the ease of those skilled in the art's understanding, below in conjunction with specific embodiment and accompanying drawing structural principle of the present utility model is described in further detail.
As shown in Figure 1, a kind of asynchronous energy-saving servo environmental protection equipment, it comprises the linked switch RST that is connected with three phase mains, 380V turns 220V transformer T, motor M and controller of plastic injection molding, described linked switch RST turns the 220V transformer with 380V and is connected, also include asynchronous servo-driver, the LED display circuit board, buffer circuit plate and control relay circuit, described linked switch RST is connected with control relay circuit with asynchronous servo-driver respectively, asynchronous servo-driver is connected with control relay circuit with the LED display circuit board, control relay circuit and motor M, the LED display circuit board is connected with controller of plastic injection molding, the LED display circuit board is connected with the buffer circuit plate, and described buffer circuit plate is connected with controller of plastic injection molding.The X6 of described asynchronous servo-driver, X7, COM end are connected with the change-over switch K1 that civil power/economize on electricity is selected respectively.Described control relay circuit includes relay K M1, KM2, KM3, KM4, KM5, the normally opened contact of relay K M4 respectively with linked switch RST, the normally opened contact of relay K M2 and the R of asynchronous servo-driver, S, T holds connection, the normally opened contact of relay K M2 is connected with motor M, between the normally opened contact of relay K M2 and motor M, be connected with relay K M3, asynchronous servo-driver U, V, the W output is connected with the normally opened contact of KM5, the normally opened contact of KM5 is connected with the normally opened contact of KM1 respectively, the normally opened contact of KM1 is connected with motor M, the output that 380V turns the 220V transformer respectively with relay K M4, one end of the coil of KM5 connects, the other end of the coil of relay K M4 is connected with the normal-closed end of KM5, the normal-closed end of KM5 is connected with the LED display circuit board, the other end of the coil of relay K M5 is connected with the normal-closed end of KM4, the normal-closed end of KM4 is connected relay K M1 with the LED display circuit board, KM2, the coil of KM3 is connected with controller of plastic injection molding respectively.The P of described asynchronous servo-driver end ,+485 ends ,-485 ends are connected with X1 respectively and are connected with the LED display circuit board.Described LED display circuit board is connected with the buffer circuit plate by CN6, CN7 end.The EM1 of described buffer circuit plate, EM2 end is connected with controller of plastic injection molding.Be provided with scram button K2 between the EM1 end of described buffer circuit plate and the controller of plastic injection molding.
When change-over switch K1 gets to civil power, by asynchronous servo make COM end and the timing closing of X6 end, pass through again+485 ,-485 end and LED display circuit boards, make the KM4 coil get electric closure, power supply process KM4 arrives U, V again, the W end is powered to load motor.
When change-over switch is got to economize on electricity, can cross asynchronous servo make COM end and the timing closing of X7 end, again through 485 communication protocols and LED display circuit board, make the KM5 coil get electric closure, the KM4 coil losing electricity, power supply, is powered to load motor from KM5 through asynchronous servo-driver from R, S, T input again.
The above is preferred embodiment of the present utility model only, is not that the utility model is done any pro forma restriction; But the those of ordinary skill of all industry is all implemented the utility model with the above shown in the by specification accompanying drawing swimmingly; But all those skilled in the art can utilize the disclosed above technology contents and a little change, the modification of making and the equivalent variations that develops within not breaking away from the technical solutions of the utility model scope, be equivalent embodiment of the present utility model; Simultaneously, the change of any equivalent variations that all foundations essence technology of the present utility model is done above embodiment, modify with differentiation etc., all still belong within the protection domain of the technical solution of the utility model.
Claims (7)
1. asynchronous energy-saving servo environmental protection equipment, comprise the linked switch RST that is connected with three phase mains, 380V turns 220V transformer T, motor M and controller of plastic injection molding, described linked switch RST turns the 220V transformer with 380V and is connected, it is characterized in that: also include asynchronous servo-driver, the LED display circuit board, buffer circuit plate and control relay circuit, described linked switch RST is connected with control relay circuit with asynchronous servo-driver respectively, asynchronous servo-driver is connected with control relay circuit with the LED display circuit board, control relay circuit and motor M, the LED display circuit board is connected with controller of plastic injection molding, the LED display circuit board is connected with the buffer circuit plate, and described buffer circuit plate is connected with controller of plastic injection molding.
2. asynchronous energy-saving servo environmental protection equipment according to claim 1 is characterized in that: the X6 of described asynchronous servo-driver, X7, COM end are connected with the change-over switch K1 of civil power/economize on electricity selection respectively.
3. asynchronous energy-saving servo environmental protection equipment according to claim 1 and 2, it is characterized in that: described control relay circuit includes relay K M1, KM2, KM3, KM4, KM5, the normally opened contact of relay K M4 respectively with linked switch RST, the normally opened contact of relay K M2 and the R of asynchronous servo-driver, S, T holds connection, the normally opened contact of relay K M2 is connected with motor M, between the normally opened contact of relay K M2 and motor M, be connected with relay K M3, asynchronous servo-driver U, V, the W output is connected with the normally opened contact of KM5, the normally opened contact of KM5 is connected with the normally opened contact of KM1 respectively, the normally opened contact of KM1 is connected with motor M, the output that 380V turns the 220V transformer respectively with relay K M4, one end of the coil of KM5 connects, the other end of the coil of relay K M4 is connected with the normal-closed end of KM5, the normal-closed end of KM5 is connected with the LED display circuit board, the other end of the coil of relay K M5 is connected with the normal-closed end of KM4, the normal-closed end of KM4 is connected relay K M1 with the LED display circuit board, KM2, the coil of KM3 is connected with controller of plastic injection molding respectively.
4. asynchronous energy-saving servo environmental protection equipment according to claim 3 is characterized in that: the P end of described asynchronous servo-driver ,+485 ends ,-485 ends are connected with X1 respectively and are connected with the LED display circuit board.
5. asynchronous energy-saving servo environmental protection equipment according to claim 4 is characterized in that: described LED display circuit board is connected with the buffer circuit plate by CN6, CN7 end.
6. asynchronous energy-saving servo environmental protection equipment according to claim 5 is characterized in that: the EM1 of described buffer circuit plate, EM2 end is connected with controller of plastic injection molding.
7. asynchronous energy-saving servo environmental protection equipment according to claim 6 is characterized in that: be provided with scram button K2 between the EM1 end of described buffer circuit plate and the controller of plastic injection molding.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220472662 CN202878630U (en) | 2012-09-17 | 2012-09-17 | Asynchronous servo energy-saving environmental protection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220472662 CN202878630U (en) | 2012-09-17 | 2012-09-17 | Asynchronous servo energy-saving environmental protection device |
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| Publication Number | Publication Date |
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| CN202878630U true CN202878630U (en) | 2013-04-17 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN 201220472662 Expired - Fee Related CN202878630U (en) | 2012-09-17 | 2012-09-17 | Asynchronous servo energy-saving environmental protection device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106671373A (en) * | 2015-11-05 | 2017-05-17 | 宁夏琪凯节能设备有限公司 | Energy-saving asynchronous servo equipment |
-
2012
- 2012-09-17 CN CN 201220472662 patent/CN202878630U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106671373A (en) * | 2015-11-05 | 2017-05-17 | 宁夏琪凯节能设备有限公司 | Energy-saving asynchronous servo equipment |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address | ||
| CP03 | Change of name, title or address |
Address after: 523000 Xinglong Road, Qingxi Town, Dongguan, Guangdong Province, No. 3 Patentee after: Guangdong Fuli environmental protection and energy saving Polytron Technologies Inc Address before: 523000 Jinlong Industrial Area, three middle village, Qingxi Town, Dongguan, Guangdong Patentee before: Dongguan Fuli Environmental Protection Co., Ltd. |
|
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130417 Termination date: 20200917 |