CN109466037A - A kind of direct current injection molding machine - Google Patents
A kind of direct current injection molding machine Download PDFInfo
- Publication number
- CN109466037A CN109466037A CN201710800544.XA CN201710800544A CN109466037A CN 109466037 A CN109466037 A CN 109466037A CN 201710800544 A CN201710800544 A CN 201710800544A CN 109466037 A CN109466037 A CN 109466037A
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- China
- Prior art keywords
- voltage
- injection molding
- direct current
- molding machine
- battery
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
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- 238000001746 injection moulding Methods 0.000 title claims abstract description 48
- 238000001816 cooling Methods 0.000 claims description 12
- 238000005461 lubrication Methods 0.000 claims description 12
- 230000005611 electricity Effects 0.000 claims description 10
- 230000033228 biological regulation Effects 0.000 claims description 5
- 238000005070 sampling Methods 0.000 claims description 5
- 230000008878 coupling Effects 0.000 claims description 2
- 238000010168 coupling process Methods 0.000 claims description 2
- 238000005859 coupling reaction Methods 0.000 claims description 2
- 238000010438 heat treatment Methods 0.000 claims description 2
- 238000007689 inspection Methods 0.000 claims 1
- 238000012544 monitoring process Methods 0.000 claims 1
- 230000000694 effects Effects 0.000 description 6
- 239000004033 plastic Substances 0.000 description 6
- 229920003023 plastic Polymers 0.000 description 6
- 238000006243 chemical reaction Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 238000002347 injection Methods 0.000 description 3
- 239000007924 injection Substances 0.000 description 3
- 238000000465 moulding Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 238000001914 filtration Methods 0.000 description 2
- 238000010248 power generation Methods 0.000 description 2
- 230000001681 protective effect Effects 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- 230000032683 aging Effects 0.000 description 1
- 238000005485 electric heating Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 230000006641 stabilisation Effects 0.000 description 1
- 238000011105 stabilization Methods 0.000 description 1
- 210000000352 storage cell Anatomy 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 229920001169 thermoplastic Polymers 0.000 description 1
- 229920001187 thermosetting polymer Polymers 0.000 description 1
- 239000004416 thermosoftening plastic Substances 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
- B29C45/17—Component parts, details or accessories; Auxiliary operations
- B29C45/76—Measuring, controlling or regulating
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02P—CONTROL OR REGULATION OF ELECTRIC MOTORS, ELECTRIC GENERATORS OR DYNAMO-ELECTRIC CONVERTERS; CONTROLLING TRANSFORMERS, REACTORS OR CHOKE COILS
- H02P27/00—Arrangements or methods for the control of AC motors characterised by the kind of supply voltage
- H02P27/04—Arrangements or methods for the control of AC motors characterised by the kind of supply voltage using variable-frequency supply voltage, e.g. inverter or converter supply voltage
- H02P27/06—Arrangements or methods for the control of AC motors characterised by the kind of supply voltage using variable-frequency supply voltage, e.g. inverter or converter supply voltage using dc to ac converters or inverters
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/10—Greenhouse gas [GHG] capture, material saving, heat recovery or other energy efficient measures, e.g. motor control, characterised by manufacturing processes, e.g. for rolling metal or metal working
Landscapes
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Mechanical Engineering (AREA)
- Power Engineering (AREA)
- Injection Moulding Of Plastics Or The Like (AREA)
Abstract
The present invention relates to a kind of direct current injection molding machines, including solar charging circuit, servo controller and injection molding motor, the solar charging circuit is coupled with battery, the battery provides work energy for driving injection molding motor, the servo controller is molded motor work for driving, including is successively coupled with booster and IGBT driver between the battery and load；The booster directly couples the battery, and for the output voltage for the battery that boosts to export DC boosting voltage, the value of the DC boosting voltage is matched with the bus voltage value of the servo controller；The IGBT driver couples the booster, and for DC boosting voltage described in inversion to export AC drive voltage, the AC drive voltage is for driving the injection molding motor to work.
Description
Technical field
The present invention relates to injection molding machine fields, more specifically, being related to a kind of direct current injection molding machine.
Background technique
Injection (mo(u)lding) machine is one kind of plastics machinery, abbreviation injector or injection molding machine, is by thermoplastic or thermosetting property
Plastics support the main molding equipment of plastic products of various shapes using mould for plastics, and injection moulding is to pass through injection molding machine
It is realized with mold.
The type of injection (mo(u)lding) machine has: vertical, horizontal, all electric, but no matter which kind of injection molding machine, basic function has two
A (1) heating of plastic reaches melting state (2) and applies high pressure to molten plastic, it is made to project and be full of mold cavity.
And currently in order to playing a preferable energy-saving effect effect, occur in the market a kind of by solar powered note
Molding machine is penetrated, principle is by the way that direct current power supply loop is arranged inside injection (mo(u)lding) machine, and the power supply of direct current power supply loop is connected to
Battery connects charging circuit by solar energy photovoltaic panel component and is output to battery, and to charge the battery, but note at present
Molding machine is power frequency power supply, then then by coupling inverter, and DC current is converted when battery exports corresponding electric energy
For power frequency electric energy, it is output to injection molding machine driver, and it is huge by energy loss caused by inverter, cause biggish energy wave
Take.
Summary of the invention
In view of this, it is an object of the present invention to provide a kind of direct current injection molding machines.
In order to solve the above-mentioned technical problem, the technical scheme is that
A kind of direct current injection molding machine, including solar charging circuit, servo controller and injection molding motor, the solar charging
Circuit is coupled with battery, and the battery provides work energy for load, and the servo controller is for driving injection molding electricity
Machine work, which is characterized in that including
Booster and IGBT driver are successively coupled between the battery and load；
The booster directly couples the battery, and the output voltage for the battery that boosts is to export direct current liter
The value of piezoelectricity pressure, the DC boosting voltage is matched with the bus voltage value of the servo controller；
The IGBT driver couples the booster, for DC boosting voltage described in inversion to export exchange driving electricity
Pressure, the AC drive voltage is for driving the injection molding motor to work.
Further, the IGBT driver is configured inside the servo controller.
Further, the IGBT driver includes preceding IGBT driver and rear IGBT driver, the preceding IGBT
Driver receives the DC boosting voltage to export different driving DC voltages, and the rear IGBT driver receives a direct current
Driving voltage is to export corresponding AC drive voltage.
Further, the driving DC voltage includes 24V driving DC voltage, and the direct current injection molding machine includes scattered
Air-heater, the cooling fan are configured to 24V cooling fan, and the 24V driving DC voltage is used to supply to the cooling fan
Electricity.
Further, the driving DC voltage includes 24V driving DC voltage, and the direct current injection molding machine includes profit
Sliding motor, the lubrication motor are configured to 24V lubrication motor, and the 24V driving DC voltage is used to supply to the lubrication motor
Electricity.
Further, the direct current injection molding machine includes heater circuit, and the booster couples the heater circuit, described
DC boosting voltage is used to provide the described the operating voltage of heater circuit.
Further, the battery has been also coupled to output voltage detecting circuit, and the output voltage detecting circuit is used for
The voltage value VX of the battery is detected, the input terminal of the booster is coupled with a compensation power supply, the output of the booster
End is coupled with voltage sampling circuit, for sampling the value VO of the DC boosting voltage, the one compensation electricity of compensation power supply output
Can, the voltage VI of the output electric current of battery described in the current following of the compensation electric energy, the compensation electric energy passes through a dynamic
Algorithm real-time change is adjusted so that the value VO of the DC boosting voltage is approached to busbar voltage VR.
Further, the dynamic regulation algorithm configuration is
VI=A (VR-VO)+B (VT-VO)；
Wherein, A is preset first adjusting constant, and B is preset second adjusting constant, and VT is ideally battery
The voltage value of output.
Further, the first adjusting constant is directly proportional to ambient temperature value.
Further, the second adjusting constant is directly proportional to ambient temperature value.
The technology of the present invention effect major embodiment is in the following areas: reducing 2 times and hands over straight conversion, reduces the energy in conversion process
Source loss, and because there is no ac circuit, the elements such as reactance, filtering are reduced, machine cost is reduced.
Detailed description of the invention
Fig. 1: 1 driving principle figure of the embodiment of the present invention；
Fig. 2: prior art driving principle figure of the present invention；
Fig. 3: present invention driver circuit schematic diagram；
Fig. 4: heater circuit wiring diagram of the present invention.
Appended drawing reference: 11, D.C. contactor；12, over-current over-voltage protection switchs；13, fuse；111, solar recharging electricity
Road；112, battery；113, booster；120, IGBT driver；121, preceding IGBT driver；122, rear IGBT driver；40,
Servo controller；401, heater circuit；402, cooling fan；403, lubrication motor；404, it is molded motor.
Specific embodiment
Below in conjunction with attached drawing, a specific embodiment of the invention is described in further detail, so that technical solution of the present invention is more
It should be readily appreciated that and grasp.
Firstly, referring to shown in Fig. 2, if to realize it is solar powered, according to current servo controller 40 or frequency converter
Structure needs the control circuit just like Fig. 2, solar power generation (direct current) -- battery 112 (direct current) -- inverter (exchange) --
The rear IGBT driver 122 (exchange) of 40 driving circuit of servo controller (exchange) --- preceding IGBT driver 121 (direct current) --.From
It with available following relationship in text in figure, needs to convert by AC-DC three times by above-mentioned relation, and causes electric energy
Loss, generate biggish waste of energy, and increase circuit cost simultaneously.
And a kind of shown referring to Fig.1, direct current injection molding machine of the present invention, including solar charging circuit 111, servo control
Device 40 processed and injection molding motor 404, the solar charging circuit 111 are coupled with battery 112, and the battery 112 is to drive
Dynamic injection molding motor 404 provides work energy, and the servo controller 40 works for driving injection molding motor 404, including
Booster 113 and IGBT driver 120 are successively coupled between the battery 112 and load；
The booster 113 directly couples the battery 112, for the battery 112 that boosts output voltage with
DC boosting voltage is exported, the value of the DC boosting voltage is matched with the bus voltage value of the servo controller 40；It is described
DC boosting voltage is configured to 560V.In general, the bus voltage value of servo controller 40 (frequency converter) is 560V, so doing
Such configuration out guarantees that power supply is normal.
The IGBT driver 120 couples the booster 113, for DC boosting voltage described in inversion to export exchange
Driving voltage, the AC drive voltage is for driving the injection molding motor 404 to work.The IGBT driver 120 includes
Preceding IGBT driver 121 and rear IGBT driver 122, the preceding IGBT driver 121 receive the DC boosting voltage with
Different driving DC voltages is exported, the rear IGBT driver 122 receives a driving DC voltage to export corresponding friendship
Flow driving voltage.The IGBT driver 120 is configured inside the servo controller 40.Solar power generation (direct current) -- electric power storage
Pond 112 (direct current) -- the rear IGBT driver 122 (exchange) of booster 113 (direct current) -- preceding IGBT driver 121 (direct current) --.Subtract
Lack 2 times and handed over straight conversion, reduced the energy loss in conversion process, and because there is no ac circuit, reduces reactance, filtering etc.
Element reduces machine cost.
The voltage of the driving bus of 40 injection molding machine of servo controller is direct current 560V, this is direct current supply (such as solar energy)
Injection molding machine provides possibility.Servo-driver or frequency converter are direct current supply.Because servo-driver or frequency converter have DC bus
Function, by protective switch, contactor, sun-generated electric power directly supplies electricity to servo-driver.
As preferred embodiment, the driving DC voltage includes 24V driving DC voltage, the direct current injection molding
Machine includes cooling fan 402, and the cooling fan 402 is configured to 24V cooling fan 402, and the 24V driving DC voltage is used
It powers in the cooling fan 402.
As preferred embodiment, the driving DC voltage includes 24V driving DC voltage, the direct current injection molding
Machine includes lubrication motor 403, and the lubrication motor 403 is configured to 24V lubrication motor 403, and the 24V driving DC voltage is used
It powers in the lubrication motor 403.
Referring to shown in Fig. 4, as preferred embodiment, the direct current injection molding machine includes heater circuit 401, the liter
Depressor 113 couples the heater circuit 401, and the DC boosting voltage is used to provide the described the operating voltage of heater circuit 401.
Electric heating coil is resistive original part, can be with direct current supply.
So, other electrical features can be powered by way of DC driven, guaranteed operation and made
While with the service life, meet injection molding machine it is functional under power demands.
Referring to shown in Fig. 3, over-current over-voltage protection is coupled between the booster 113 and the IGBT driver 120 and is opened
12 are closed, plays a protective role to over-voltage and over-current, improves the safety of power supply.The booster 113 and the IGBT driver 120
Between be coupled with fuse 13, play one control and protection effect, improve the reliability of control circuit, and in upper setting
D.C. contactor 11.
The battery has been also coupled to output voltage detecting circuit, and the output voltage detecting circuit is for detecting the storage
The voltage value VX of battery, the input terminal of the booster are coupled with a compensation power supply, and the output end of the booster is coupled with electricity
Sample circuit is pressed, for sampling the value VO of the DC boosting voltage, the one compensation electric energy of compensation power supply output, the compensation
The voltage VI of the output electric current of battery described in the current following of electric energy, the compensation electric energy is real-time by a dynamic regulation algorithm
Change so that the value VO of the DC boosting voltage is approached to busbar voltage VR.It is arranged in this way, compensation power supply can guarantee
The output voltage of battery and booster is normal, realizes voltage compensation by an adder, meanwhile, output electric current passes through electric current
Mirror is identical as the output electric current of battery, and compensates the constant pressure source that power supply can be set as controllable, is controlled by adjustment signal
Voltage change plays the effect of a signal compensation.
The dynamic regulation algorithm configuration is
VI=A (VR-VO)+B (VT-VO)；
Wherein, A is preset first adjusting constant, and B is preset second adjusting constant, and VT is ideally battery
The voltage value of output.Algorithm configuration in this way, offset voltage is related to two parameters, one be booster output voltage
With the difference of busbar voltage, the other is the difference of battery output voltage and desired voltage, since booster is to receive electric power storage
Cell voltage, thus booster itself because caused by parameter and technique voltage difference needs compensate, so configuration first is adjusted
Constant and second adjusts constant, so that boost voltage is leveled off to busbar voltage according to two constants.And if accumulator electric-quantity is insufficient
Or output voltage occurs the phenomenon that Voltage Instability, so needing because of voltage ageing in charged state or under long-time use
It to be compensated by offset voltage, play the effect of a control output, it is past when guaranteeing battery output voltage to booster
Perfect condition approach, while by this algorithm, make the relatively reliable stabilization of regulative mode, the influence to booster is smaller, simultaneously
Dynamic equilibrium may be implemented.
It is directly proportional to ambient temperature value that described first adjusts constant.Described second adjust constant and ambient temperature value at
Direct ratio.Since output voltage is related to temperature value, so suitably increasing the size for adjusting voltage according to temperature value.
Certainly, above is representative instance of the invention, and in addition to this, the present invention can also have other a variety of specific implementations
Mode, all technical solutions formed using equivalent substitution or equivalent transformation, is all fallen within the scope of protection of present invention.
Claims (10)
1. a kind of direct current injection molding machine, including solar charging circuit, servo controller and injection molding motor, the solar recharging
Circuit is coupled with battery, and the battery provides work energy for driving injection molding motor, and the servo controller is for driving
It is molded motor work, which is characterized in that including
Booster and IGBT driver are successively coupled between the battery and load；
The booster directly couples the battery, for the output voltage for the battery that boosts to export DC boosting electricity
Pressure, the value of the DC boosting voltage are matched with the bus voltage value of the servo controller；
The IGBT driver couples the booster, for DC boosting voltage described in inversion to export AC drive voltage,
The AC drive voltage is for driving the injection molding motor to work.
2. a kind of direct current injection molding machine as described in claim 1, which is characterized in that the IGBT driver is configured at the servo
Inside controller.
3. a kind of direct current injection molding machine as described in claim 1, which is characterized in that IGBT drives before the IGBT driver includes
Dynamic device and rear IGBT driver, the preceding IGBT driver receive the DC boosting voltage to export different DC drivens
Voltage, the rear IGBT driver receive a driving DC voltage to export corresponding AC drive voltage.
4. a kind of direct current injection molding machine as claimed in claim 3, which is characterized in that the driving DC voltage includes 24V straight
Driving voltage is flowed, the direct current injection molding machine includes cooling fan, and the cooling fan is configured to 24V cooling fan, the 24V
Driving DC voltage is used to power to the cooling fan.
5. a kind of direct current injection molding machine as claimed in claim 3, which is characterized in that the driving DC voltage includes 24V straight
Driving voltage is flowed, the direct current injection molding machine includes lubrication motor, and the lubrication motor is configured to 24V lubrication motor, the 24V
Driving DC voltage is used to power to the lubrication motor.
6. a kind of direct current injection molding machine as described in claim 1, which is characterized in that the direct current injection molding machine includes heating electricity
Road, the booster couple the heater circuit, and the DC boosting voltage is used to provide the described the operating voltage of heater circuit.
7. a kind of direct current injection molding machine as described in claim 1, which is characterized in that the battery has been also coupled to output voltage inspection
Slowdown monitoring circuit, the output voltage detecting circuit are used to detect the voltage value VX of the battery, the input terminal coupling of the booster
It is connected to a compensation power supply, the output end of the booster is coupled with voltage sampling circuit, for sampling the DC boosting voltage
Value VO, the one compensation electric energy of compensation power supply output, the output electric current of battery described in the current following of the compensation electric energy,
The voltage VI of the compensation electric energy passes through a dynamic regulation algorithm real-time change so that the value VO of the DC boosting voltage is to mother
Line voltage VR approach.
8. a kind of direct current injection molding machine as claimed in claim 7, which is characterized in that the dynamic regulation algorithm configuration is
VI=A (VR-VO)+B (VT-VO)；
Wherein, A is preset first adjusting constant, and B is preset second adjusting constant, and VT is the output of ideally battery
Voltage value.
9. a kind of direct current injection molding machine as claimed in claim 8, which is characterized in that described first adjusts constant and environment temperature
It is worth directly proportional.
10. a kind of direct current injection molding machine as claimed in claim 8, which is characterized in that described second adjusts constant and environment temperature
Angle value is directly proportional.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710800544.XA CN109466037A (en) | 2017-09-07 | 2017-09-07 | A kind of direct current injection molding machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710800544.XA CN109466037A (en) | 2017-09-07 | 2017-09-07 | A kind of direct current injection molding machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109466037A true CN109466037A (en) | 2019-03-15 |
Family
ID=65657647
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710800544.XA Pending CN109466037A (en) | 2017-09-07 | 2017-09-07 | A kind of direct current injection molding machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109466037A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102021102557A1 (en) | 2021-02-04 | 2022-08-04 | Wittmann Battenfeld Gmbh | manufacturing plant |
-
2017
- 2017-09-07 CN CN201710800544.XA patent/CN109466037A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102021102557A1 (en) | 2021-02-04 | 2022-08-04 | Wittmann Battenfeld Gmbh | manufacturing plant |
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| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20190315 |
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| RJ01 | Rejection of invention patent application after publication |