CN106872768A - The energy consumption detecting method and its system of a kind of electric injection molding machine - Google Patents
The energy consumption detecting method and its system of a kind of electric injection molding machine Download PDFInfo
- Publication number
- CN106872768A CN106872768A CN201611240703.7A CN201611240703A CN106872768A CN 106872768 A CN106872768 A CN 106872768A CN 201611240703 A CN201611240703 A CN 201611240703A CN 106872768 A CN106872768 A CN 106872768A
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- wiring
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- dee021
- current
- modules
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Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R22/00—Arrangements for measuring time integral of electric power or current, e.g. electricity meters
- G01R22/06—Arrangements for measuring time integral of electric power or current, e.g. electricity meters by electronic methods
-
- 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
- B29C45/7666—Measuring, controlling or regulating of power or energy, e.g. integral function of force
-
- 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
- B29C2945/00—Indexing scheme relating to injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould
- B29C2945/76—Measuring, controlling or regulating
- B29C2945/76003—Measured parameter
- B29C2945/76026—Energy, power
- B29C2945/7603—Power
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- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Mechanical Engineering (AREA)
- Power Engineering (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Injection Moulding Of Plastics Or The Like (AREA)
Abstract
The invention discloses the energy consumption detecting method and its system of a kind of electric injection molding machine, it includes：Injection machine, current transformer, DEE021 modules and inputting interface and PLC；The injection machine connects three-phase electricity；The three-phase electricity is provided with the first wiring R, the second wiring S, the 3rd wiring T, zero line N；High current in three-phase electricity is changed into low current by the current transformer in proportion；The DEE021 modules are used to detect the voltage and electric current of the three-phase electricity；The inputting interface is used for input current transformation parameter；The current transformation parameter is by the three-phase electricity and the current ratio for passing through current transformer；The PLC is used for computing and records the power and energy consumption of the three-phase electricity that DEE021 modules are detected.The high precision of present invention measurement simultaneously has fault self-checking function, and the measurement error to voltage is only 0.65%, and measurable voltage minimum change is 62.5mV；DEE021 modules inherently carry fault detect, and PLC can in time obtain failure feedback.
Description
Technical field
The present invention relates to detection field, more particularly to a kind of electric injection molding machine energy consumption detecting method and its system.
Background technology
Detection in current the industry to energy consumption is general all from civilian three-phase electronic active electric energy meter.Such as need detection
The single energy consumption of various pieces, then need to install each detected part one three-phase electronic active electric energy meter.
And this mode is only able to display current accumulation energy consumption, without other data statistics.
Using the above method, the error of measurement is larger；The principle of three-phase power electric energy meter is respectively to needing detection to return
Road carries out the sampling of electric current and voltage, then directly includes on electric energy meter energy consumption after being calculated by built-in chip, error
Generally two grades (- 2% to+2%)
Survey tool size is larger；General civilian electric energy table size by taking DTS193 types as an example as 242mm*74mm*278mm,
It is relatively all larger.When needing to carry out some independent energy consumption and detecting, it is necessary to install multiple electric energy meters, and electric energy meter body
Product is relatively large, it is necessary to many installing space.
The unitary function that measuring method is realized；Three-phase power electric energy meter is only able to display current total energy consumption, it is impossible to energy consumption
Change procedure is monitored the record with data.
Survey tool fault-free is detected；Three-phase power electric energy meter is set with electrical equipment of the machine body without any logic association
It is standby, if machine cannot make corresponding alarm and feedback processing during this equipment operation exception.Can only artificially judge that it runs
State.
The content of the invention
In view of the above-mentioned state of the art, the technical problems to be solved by the invention are to provide a kind of electric injection molding machine
Energy consumption detecting method and its system.
The technical scheme that present invention solution above-mentioned technical problem is used is for a kind of energy consumption detecting method of electric injection molding machine
And its system, it includes：
S1：The first wiring R, the second wiring S in injection machine in three-phase electricity, the 3rd wiring T, zero line N are respectively connected to
Terminal first interface L1 in DEE021 modules, second interface L2, the 3rd interface L3, the 4th interface N1, DEE021 modules difference
Measure three-phase voltage first voltage U1, second voltage U2, tertiary voltage U3；
S2：First current transformer LH1, the second current transformer LH2, the 3rd current transformer LH3 concatenate whole machine respectively
The first wiring R, the second wiring S in three-phase voltage, the 3rd wiring T；The first current transformer LH1, the second Current Mutual Inductance
Device LH2, the 3rd current transformer LH3 connect the first terminal, Second terminal, third terminal in DEE021 modules respectively,
DEE021 modules measure the first electric current I1, the second electric current I2 and the 3rd electric current I3 after injection machine three-phase electricity no-load voltage ratio；
S3：DEE021 modules are by the first of the first electric current I1 of three-phase electricity, the second electric current I2, the 3rd electric current I3 and three-phase electricity
Voltage U1, second voltage U2, tertiary voltage U3 are transmitted to PLC；PLC is returned according to electric current no-load voltage ratio parameter K1, the first wiring
Road run time t1, the second connection circuit run time t2, the 3rd connection circuit run time t3, calculate；
First wiring R is linked to be the actual power and actual consumption in loop：
P1=I1*U1*K1 W1=P1*t1
Second wiring S is linked to be the actual power and actual consumption in loop：
P2=I2*U2*K1 W2=P2*t2
3rd wiring T is linked to be the actual power and actual consumption in loop：
P3=I3*U3*K1 W3=P3*t3
Further, including：
Injection machine：The injection machine connects three-phase electricity；The three-phase electricity is provided with the first wiring R, the second wiring S, the 3rd wiring
T, zero line N；
Current transformer：High current in three-phase electricity is changed into low current by the current transformer in proportion；
DEE021 modules：The DEE021 modules are used to detect the voltage and electric current of three-phase electricity in connection injection machine；Institute
Stating DEE021 modules has first interface L1, second interface L2, the 3rd interface L3, the 4th interface N1 and interface of the ground wire；It is described
DEE021 modules also have the first terminal, Second terminal and third terminal；
Inputting interface：The inputting interface is used for input current transformation parameter；The current transformation parameter is by three-phase
Electrical circuit electric current and the ratio by electric current in current transformer；
PLC：The PLC is used for computing and records power and energy that DEE021 modules detect three-phase electricity in injection machine
Consumption.
Further, also including screen；The screen is controlled by PLC, and PLC is by the power and energy consumption data of three-phase electrical circuit
It is shown on screen.
Further, the DEE021 modules are communicated by Varan and PLC is connected；The Varan is communicated DEE021 moulds
Three-phase piezoelectric voltage that block is measured, current data are transferred to PLC, and the Varan communications also pass the running status of DEE021 modules
PLC is defeated by, PLC controls the operation of DEE021 modules according to the signal that Varan communications are sent.
Further, it is additionally provided with warning system；The warning system is connected with PLC.
Further, the first terminal is provided with the 5th interface K1 and the 6th interface I1；The Second terminal is provided with the 7th
Interface K2 and the 8th interface I2；The third terminal is provided with the 9th interface K3 and the tenth interface I3；In the first transformer LH1
It is provided with the 4th wiring S1 and the 5th wiring S2；The 6th wiring S3 and the 7th wiring S4 is provided with the second transformer LH2；It is described
The 8th wiring S5 and the 9th wiring S6 is provided with 3rd transformer LH3；The 5th interface K1 connects the 4th wiring S1, and described the
Six interface I1 connect the 5th wiring S2；The 7th interface K2 connects the 6th wiring S3, and the 8th interface I2 connections the 7th connect
Line S4；The 9th interface K3 connects the 8th wiring S5, and the ten interfaces I3 connects the 9th wiring S6.
The high precision of present invention measurement simultaneously has fault self-checking function, and the measurement error to voltage is only 0.65%, can be surveyed
The voltage minimum change of amount is 62.5mV；DEE021 modules inherently carry fault detect, and PLC can in time obtain failure
Feedback.
Brief description of the drawings
Fig. 1 is DEE021 module circuit diagrams of the present invention；
Fig. 2 is that DEE021 modules of the present invention access injection machine three-phase electricity circuit diagram；
Fig. 3 is measuring system figure of the present invention.
Specific embodiment
The following is specific embodiment of the invention and with reference to accompanying drawing, technical scheme is further described,
But the present invention is not limited to these embodiments.
Fig. 1-Fig. 3 is refer to, the present invention, the energy consumption detecting method and its system of a kind of electric injection molding machine, it includes：Injection
Mechanical, electrical current transformer, DEE021 modules and inputting interface and PLC；The injection machine connects three-phase electricity；The three-phase electricity is provided with
One wiring R, the second wiring S, the 3rd wiring T, zero line N；The current transformer changes into high current in three-phase electricity small in proportion
Electric current；The DEE021 modules are used to detect the voltage and electric current of the three-phase electricity；The inputting interface is used for input current
Transformation parameter；The current transformation parameter is by the three-phase electrical circuit and the electric current ratio for passing through current transformer；The PLC
For computing and record the power and energy consumption of the three-phase electricity that DEE021 modules are detected.
There is injection machine PLC, the PLC to be communicated by Varan and DEE021；The PCL is also connected with screen and jerk system
System.
DEE021 module certainties of measurement are higher；Measurement error to voltage is only 0.65%, and measurable voltage is minimum to be become
Turn to 62.5mV.Measurement error to electric current is only 0.6%, and measurable electric current minimum change is 0.125mA.The DEE021
Module also has self-checking function；When DEE021 modules break down, DEE021 sends status signal to PLC, and PLC is according to signal
Corresponding treatment is made, such as PLC control warning system alarms control DEE021 modules out of service simultaneously.
Exigency stop system can promptly suspend the operation of injection machine, and the exigency stop system and screen are connected, and DEE021 detects note
When molding machine working condition occurs abnormal and coherent signal is sent to PLC；PLC controls the fortune of exigency stop system emergent stopping injection machine
OK, meanwhile, PLC shows the abnormal conditions of injection machine working condition in screen.
PLC is also connected with inputting interface；The input current transformation parameter K1 in inputting interface；PLC is according to formula P=U*I*
K1, W=P*t calculate the power and energy consumption of injection machine circuit, and (the measurement power that wherein, P is represented in injection machine, U represents injection
Measurement voltage, I represents the measurement electric current in injection machine, and W represents that the measurement energy consumption in injection machine, t are measured in representing injection machine
The run time of circuit).PLC is recorded above-mentioned data and is shown on screen in the form of column diagram.
Inputting interface：The inputting interface is used for input current transformation parameter；The current transformation parameter is returned for three-phase electricity
Road is through the current ratio before current transformer conversion and after conversion；
PLC：The PLC is used for computing and records power and energy that DEE021 modules detect three-phase electricity in injection machine
Consumption.
The energy consumption detecting method of electric injection molding machine has steps of：
S1：The first wiring R, the second wiring S in injection machine in three-phase electricity, the 3rd wiring T, zero line N are respectively connected to
Terminal first interface L1 in DEE021 modules, second interface L2, the 3rd interface L3, zero line interface N1, obtain three-phase electricity respectively
Pressure first voltage U1, second voltage U2, tertiary voltage U3；
S2：First current transformer LH1, the second current transformer LH2, the 3rd current transformer LH3 concatenate whole machine respectively
The first wiring R, the second wiring S in three-phase voltage, the 3rd wiring T；The first current transformer LH1, the second Current Mutual Inductance
Device LH2, the 3rd current transformer LH3 connect the first terminal, Second terminal, third terminal on DEE021 respectively, and DEE021 is surveyed
First electric current I1, the second electric current I2 and the 3rd electric current I3 after injection machine three-phase no-load voltage ratio；
S3：DEE021 modules transmit to PLC three-phase electricity flow valuve I1, I2, I3 and three-phase voltage value U1, U2, U3；
PLC is according to electric current no-load voltage ratio parameter K1, the first connection circuit run time t1, the second connection circuit run time t2, the 3rd wiring
Loop run time t3, calculate actual power and actual consumption that the first wiring R is linked to be loop：
P1=I1*U1*K1 W1=P1*t1
Second wiring S is linked to be the actual power and actual consumption in loop：
P2=I2*U2*K1 W2=P2*t2
3rd wiring T is linked to be the actual power and actual consumption in loop：
P3=I3*U3*K1 W3=P3*t3
By in DEE021 modules access injection machine three-phase circuit：
First interface L1, second interface L2, the 3rd interface L3 and the 4th interface N1 are provided with the DEE021 modules；It is described
DEE021 modules are additionally provided with the first terminal, Second terminal and third terminal；The first terminal is provided with the 5th interface K1 and the 6th
Interface I1；The Second terminal is provided with the 7th interface K2 and the 8th interface I2；The third terminal is provided with the 9th interface K3 and
Ten interface I3.
The 4th wiring S1 and the 5th wiring S2 is provided with the first transformer LH1；It is provided with the second transformer LH2
6th wiring S3 and the 7th wiring S4；The 8th wiring S5 and the 9th wiring S6 is provided with the 3rd transformer LH3；Described 5th
Interface K1 connects the 4th wiring S1, and the 6th interface I1 connects the 5th wiring S2；The 7th interface K2 connects the 6th wiring
S3, the 8th interface I2 connects the 7th wiring S4；The 9th interface K3 connects the 8th wiring S5, the ten interfaces I3 connections
9th wiring S6.
DEE021 modules can measure injection machine general power and the total energy consumption within a period of time, and first in three-phase electricity connects
Line R, the second wiring S, the 3rd wiring T and zero line N connection injection machine；When injection machine runs, the first wiring R, the second wiring
S, the 3rd wiring T are respectively formed loop；And there is electric current to pass through for the first wiring R, the second wiring S, the 3rd wiring T；Institute
State the first wiring R, the second wiring S, the 3rd wiring T and connect the first current transformer, the second current transformer, the 3rd electric current respectively
Transformer；First current transformer, the second current transformer, the 3rd current transformer connect respectively DEE021 the first terminal,
Second terminal, third terminal；Now, by the first current transformer, the second current transformer, the 3rd current transformer electric current
It is by electric current scaled in the first wiring R, the second wiring S, the 3rd wiring T；First wiring R, the second wiring simultaneously
First interface L1, second interface L2, the 3rd interface L3 in S, the 3rd wiring T connection DEE021 modules；The DEE021 modules
Measure the first wiring R, the second wiring S, the voltage of the 3rd wiring T；The DEE021 module voltages data and current data are sent out
Give PLC；The PLC is calculated and recording voltage and current data draw power and the energy consumption within certain a period of time；And
Power and the energy consumption data statistics that will be calculated get up to be shown on screen in the form of column diagram.
Wherein, transformer and phase sequence relay, phase sequence relay are further connected with the three-phase electricity that injection machine connects, in three-phase circuit
The device phase sequence for controlling three phase mains.
Specific embodiment described herein is only to the spiritual explanation for example of the present invention.Technology neck belonging to of the invention
The technical staff in domain can be made various modifications or supplement to described specific embodiment or be replaced using similar mode
Generation, but without departing from spirit of the invention or surmount scope defined in appended claims.
Claims (6)
1. a kind of energy consumption detecting method of electric injection molding machine, it is characterised in that：
S1：The first wiring R, the second wiring S in injection machine in three-phase electricity, the 3rd wiring T, zero line N are respectively connected to DEE021 moulds
Terminal first interface L1 on block, second interface L2, the 3rd interface L3, the 4th interface N1；DEE021 modules measure three-phase respectively
Voltage first voltage U1, second voltage U2, tertiary voltage U3；
S2：First current transformer LH1, the second current transformer LH2, the 3rd current transformer LH3 concatenate whole machine three-phase respectively
The first wiring R, the second wiring S in voltage, the 3rd wiring T；The first current transformer LH1, the second current transformer
LH2, the 3rd current transformer LH3 connect the first terminal, Second terminal, third terminal in DEE021 modules respectively；DEE021
Module measures the first electric current I1, the second electric current I2 and the 3rd electric current I3 after electric current no-load voltage ratio in injection machine three-phase electricity；
S3：DEE021 modules are by the first voltage of the first electric current I1 of three-phase electricity, the second electric current I2, the 3rd electric current I3 and three-phase electricity
U1, second voltage U2, tertiary voltage U3 are transmitted to PLC；PLC is transported according to electric current no-load voltage ratio parameter K1, the first connection circuit
Row time t1, the second connection circuit run time t2, the 3rd connection circuit run time t3, calculate；
First wiring R is linked to be the actual power and actual consumption in loop：
P1=I1*U1*K1 W1=P1*t1
Second wiring S is linked to be the actual power and actual consumption in loop：
P2=I2*U2*K1 W2=P2*t2
3rd wiring T is linked to be the actual power and actual consumption in loop：
P3=I3*U3*K1 W3=P3*t3.
2. the system of the energy consumption detecting method of a kind of electric injection molding machine according to claim 1, it is characterised in that including：
Injection machine：The injection machine connects three-phase electricity；The three-phase electricity is provided with the first wiring R, the second wiring S, the 3rd wiring T, zero
Line N；
Current transformer：High current in three-phase electricity is changed into low current by the current transformer in proportion；
DEE021 modules：The DEE021 modules are used to detect the voltage and electric current of three-phase electricity in connection injection machine；It is described
DEE021 modules have first interface L1, second interface L2, the 3rd interface L3, the 4th interface N1 and interface of the ground wire；It is described
DEE021 modules also have the first terminal, Second terminal and third terminal；
Inputting interface：The inputting interface is used for input current transformation parameter；The current transformation parameter is to be returned by three-phase electricity
Road electric current and the ratio by electric current in current transformer；
PLC：The PLC is used for computing and records power and energy consumption that DEE021 modules detect three-phase electricity in injection machine.
3. the system of the energy consumption detecting method of a kind of electric injection molding machine according to claim 2, it is characterised in that：Also include
Screen；The screen is controlled by PLC, and be shown on screen for the power and energy consumption data of three-phase electrical circuit by PLC.
4. the system of the energy consumption detecting method of a kind of electric injection molding machine according to claim 2, it is characterised in that：It is described
DEE021 modules are communicated by Varan and PLC is connected；Three-phase piezoelectric voltage, electricity that the Varan communications measure DEE021 modules
The running status of DEE021 modules is also transferred to PLC by Stream Data Transmission to PLC, the Varan communications, and PLC is logical according to Varan
The signal that news are sent controls the operation of DEE021 modules.
5. the system of the energy consumption detecting method of a kind of electric injection molding machine according to claim 2, it is characterised in that：It is additionally provided with
Warning system；The warning system is connected with PLC.
6. the system of the energy consumption detecting method of a kind of electric injection molding machine according to claim 2, it is characterised in that：Described
One terminal is provided with the 5th interface K1 and the 6th interface I1；The Second terminal is provided with the 7th interface K2 and the 8th interface I2；It is described
Third terminal is provided with the 9th interface K3 and the tenth interface I3；The 4th wiring S1 and the 5th is provided with the first transformer LH1 to connect
Line S2；The 6th wiring S3 and the 7th wiring S4 is provided with the second transformer LH2；Is provided with the 3rd transformer LH3
Eight wiring S5 and the 9th wiring S6；The 5th interface K1 connects the 4th wiring S1, and the 6th interface I1 connects the 5th wiring
S2；The 7th interface K2 connects the 6th wiring S3, and the 8th interface I2 connects the 7th wiring S4；The 9th interface K3 connects
The 8th wiring S5 is met, the ten interfaces I3 connects the 9th wiring S6.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611240703.7A CN106872768A (en) | 2016-12-29 | 2016-12-29 | The energy consumption detecting method and its system of a kind of electric injection molding machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611240703.7A CN106872768A (en) | 2016-12-29 | 2016-12-29 | The energy consumption detecting method and its system of a kind of electric injection molding machine |
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|---|---|
| CN106872768A true CN106872768A (en) | 2017-06-20 |
Family
ID=59164988
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611240703.7A Pending CN106872768A (en) | 2016-12-29 | 2016-12-29 | The energy consumption detecting method and its system of a kind of electric injection molding machine |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1310086A (en) * | 2000-02-22 | 2001-08-29 | 住友重机械工业株式会社 | Injection machine capable of reducing energy consumption |
| CN200998906Y (en) * | 2007-01-08 | 2008-01-02 | 深圳市奥宇控制系统有限公司 | Energy-saving intelligent control system of injection machine |
| CN201538021U (en) * | 2009-11-09 | 2010-08-04 | 浙江申达机器制造股份有限公司 | Energy consumption dynamic monitoring device for injection molding machine |
| CN102358019A (en) * | 2011-07-27 | 2012-02-22 | 深圳大学 | Double-servo control system and energy-saving injection molding machine comprising same |
| CN203937138U (en) * | 2014-06-27 | 2014-11-12 | 宁波海雄塑料机械有限公司 | A kind of device of realizing injection machine injection energy consumption detection operating mode |
-
2016
- 2016-12-29 CN CN201611240703.7A patent/CN106872768A/en active Pending
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1310086A (en) * | 2000-02-22 | 2001-08-29 | 住友重机械工业株式会社 | Injection machine capable of reducing energy consumption |
| CN200998906Y (en) * | 2007-01-08 | 2008-01-02 | 深圳市奥宇控制系统有限公司 | Energy-saving intelligent control system of injection machine |
| CN201538021U (en) * | 2009-11-09 | 2010-08-04 | 浙江申达机器制造股份有限公司 | Energy consumption dynamic monitoring device for injection molding machine |
| CN102358019A (en) * | 2011-07-27 | 2012-02-22 | 深圳大学 | Double-servo control system and energy-saving injection molding machine comprising same |
| CN203937138U (en) * | 2014-06-27 | 2014-11-12 | 宁波海雄塑料机械有限公司 | A kind of device of realizing injection machine injection energy consumption detection operating mode |
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Application publication date: 20170620 |