CN106685024A - Capacitive energy storage device for servo press - Google Patents
Capacitive energy storage device for servo press Download PDFInfo
- Publication number
- CN106685024A CN106685024A CN201710193919.0A CN201710193919A CN106685024A CN 106685024 A CN106685024 A CN 106685024A CN 201710193919 A CN201710193919 A CN 201710193919A CN 106685024 A CN106685024 A CN 106685024A
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- CN
- China
- Prior art keywords
- cabinet
- storage device
- switch
- energy storage
- servo
- 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
Links
- 238000004146 energy storage Methods 0.000 title claims abstract description 18
- 239000003990 capacitor Substances 0.000 claims abstract description 27
- 238000004064 recycling Methods 0.000 abstract 1
- 238000010521 absorption reaction Methods 0.000 description 2
- 238000007599 discharging Methods 0.000 description 2
- 238000011084 recovery Methods 0.000 description 2
- 230000001052 transient effect Effects 0.000 description 2
- 230000001133 acceleration Effects 0.000 description 1
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 230000003321 amplification Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000000178 monomer Substances 0.000 description 1
- 238000003199 nucleic acid amplification method Methods 0.000 description 1
- 230000001172 regenerating effect Effects 0.000 description 1
Classifications
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
- H02J7/0013—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries acting upon several batteries simultaneously or sequentially
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J1/00—Circuit arrangements for dc mains or dc distribution networks
- H02J1/14—Balancing the load in a network
-
- H02J7/0026—
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
- H02J7/34—Parallel operation in networks using both storage and other dc sources, e.g. providing buffering
- H02J7/345—Parallel operation in networks using both storage and other dc sources, e.g. providing buffering using capacitors as storage or buffering devices
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
- Direct Current Feeding And Distribution (AREA)
Abstract
The invention relates to a capacitive energy storage device for a servo press. The capacitive energy storage device comprises a power cabinet, a control cabinet and a capacitor cabinet, wherein the power cabinet comprises a cabinet body, a main power switch, a charging current sensor and an anti-reverse diode; the main power switch, the charging current sensor and the anti-reverse diode are arranged in the cabinet body and are successively connected through circuits; a power input end is arranged on the main power switch, and is connected with a current busbar; the capacitor cabinet comprises the cabinet body and multiple capacitor sets arranged in the cabinet body; each capacitor set is composed of two super-capacitors which are connected in series; the capacitor sets are in parallel connection with each other; the input ends of the capacitor sets are connected with the anti-reverse diode through a circuit; the control cabinet comprises the cabinet body and a control power switch, a fan switch, a user communication module, a voltage value regulator and an output terminal which are arranged in the cabinet body; the output terminal is connected with a driver of the servo press; the control power switch is connected with the output ends of the capacitor sets in the capacitor cabinet through the circuit. The capacitive energy storage device for the servo press is used for solving the problems of the recycling of motor speed-regulating energy and the releasing of instant energy of a high-capacity servo press.
Description
Technical field
The present invention relates to a kind of servo-pressing machine capacitive energy storage device, is particularly suited for the Large Copacity without mechanical flywheel
Servo-pressing machine.
Background technology
The servo-pressing machine for occurring in recent years is an epoch-making event, and servomotor is driven mainly by CNC, servo control
Software processed, power amplification, motor and sensor are constituted.The servounit forcing press driven by servomotor, in order that slide block
Motion is controllable within the single work period, needs to reduce as far as possible conversion to the equivalent moment of inertia on servo motor shaft, eliminates
The flywheel that inertia is big, can store and release energy.Servounit forcing press relies primarily on the instantaneous torque of servomotor and provides pressure
Power processed, the Main Basiss of its Design of Transmission System are power, meanwhile, servo-pressing machine working method is different from conventional press, it
It is to start when power is needed, it is not necessary to stop during power.So how servo-pressing machine reclaims in the course of the work speed governing energy
It is the technical issues that need to address to measure, how to discharge transient energy.
The content of the invention
The technical problem to be solved in the present invention is to provide a kind of servo-pressing machine capacitive energy storage device, using super capacitor
The vast capacity energy storage of device, fast charging and discharging characteristic, solve recovery and the moment of Large Copacity servo-pressing machine electric machine speed regulation energy
Energy discharges problem.
In order to solve above-mentioned technical problem, the present invention takes technical scheme below：
A kind of servo-pressing machine capacitive energy storage device, including power cabinet, switch board and capacitor box, the power cabinet includes cabinet
With the total power switch, charging current sensor and the counnter attack diode that are sequentially connected by circuit being mounted in the cabinet, total electricity
Source switch is provided with power input, and the power input is connected with current bus bar；
Capacitor box includes cabinet and some groups of capacitance groups being mounted in cabinet, and every group of capacitance group is by two ultracapacitors connected
Composition, is connected in parallel between each group capacitance group, and the input of the capacitance group is connected by circuit with counnter attack diode；
Switch board includes cabinet and the control power switch, fan switch, telex network module, the magnitude of voltage regulation that are mounted in cabinet
Device and lead-out terminal, lead-out terminal is connected with the driver of servo-pressing machine, and control power switch is by circuit and capacitor box
Capacitance group output end connection.
The power cabinet is also including the charging resistor case being connected between total power switch and charging current sensor and in advance
Charging contactor, the input of the charging resistor case is connected with total power switch, output end and pre-charge contactor connection, preliminary filling
Electric contactor is connected with charging current sensor.
The switch board also includes the manual releasing energy switch being connected with control power switch.
Voltage, current instrument display, signal designation are equipped with the cabinet of the power cabinet, capacitor box and switch board
The voltage detecting point of lamp, series connection node, and operation button.
The capacitor box is provided with least one.
The present invention gives full play to the vast capacity energy storage of ultracapacitor, fast charging and discharging characteristic, solves Large Copacity servo
The recovery of forcing press electric machine speed regulation energy and transient energy release problem.
Description of the drawings
Accompanying drawing 1 is catenation principle schematic diagram of the present invention.
Specific embodiment
For the ease of the understanding of those skilled in the art, below in conjunction with the accompanying drawings the invention will be further described.
As shown in Figure 1, present invention is disclosed a kind of charging servo-pressing machine capacitive energy storage device, the device mainly should
800V is not higher than for being mainly used in DC voltage, during maximum charging current is for the device of 220A, maximum discharge current can
Up to 1000A.The energy storage device includes power cabinet, switch board and capacitor box, and the power cabinet includes cabinet and is mounted in the cabinet
The total power switch, charging resistor case, pre-charge contactor, charging current sensor and the counnter attack two that are sequentially connected by circuit
Pole pipe, total power switch is provided with power input, and the power input is connected with current bus bar；Capacitor box includes cabinet and dress
The some groups of capacitance groups in cabinet, every group of capacitance group is made up of the ultracapacitor of two series connection, between each group capacitance group simultaneously
Connection connection, the input of the capacitance group is connected by circuit with counnter attack diode；Switch board includes cabinet and is mounted in cabinet
Control power switch, fan switch, telex network module, magnitude of voltage adjuster and lead-out terminal, lead-out terminal and servo pressure
The driver connection of machine, control power switch is connected by circuit with the capacitance group output end in capacitor box.In the present embodiment,
Capacitor box is provided with three.Each electric capacity adopts ultracapacitor, especially Thessaloniki health capacitor.
When device is in charged state, dc bus is charged through charging resistor case to capacitance group, it is to avoid impact
The too big damage equipment of electric current, pre-charge contactor adhesive after charging complete cuts off charging resistor case.
The switch board also includes the manual releasing energy switch being connected with control power switch.
Voltage, current instrument display, signal designation are equipped with the cabinet of the power cabinet, capacitor box and switch board
The voltage detecting point of lamp, series connection node, and operation button.
The present invention improves the energy of storage by connection in series-parallel to ultracapacitor, solve monomer super capacitor it is pressure compared with
It is low, the problem of the finite energy of storage.
In addition, telex network module is supplied to user's profibus interfaces, by this telex network module, user can examine
The signals such as charging current, discharge current, busbar voltage, the working condition of capacitor box, temperature are surveyed, is entered by this telex network module
Row system forced electric discharge, forces to stop the operation such as electric discharge.Lead-out terminal provides user and servo-pressing machine driver connecting interface.
If the energy of system is not released, the manual releasing that can close energy switch discharges remaining energy.By precharge, overvoltage etc.
Magnitude of voltage adjusts panel, and user can set precharge voltage value and over-pressed place value.
By above-mentioned design, with following remarkable result：
（1）Accurate and effective detection is carried out to the operation conditions of servo-pressing machine by direct current network, if servo-pressing machine is located
In regenerative braking situation and braking energy can not be absorbed completely by other electrical equipments or forcing press, the absorption of this device is started immediately
Portion of energy, and conduction ratio can be automatically adjusted according to the size of absorbed power, maintain line voltage constant in certain scope.
（2）If servo-pressing machine is in startup or acceleration mode, this device is devoted oneself to work the energy of capacitance group storage immediately
Amount release reduces direct current network electric current to electrical network, prevents line voltage from declining.
（3）When servo-pressing machine is unloaded, this device is devoted oneself to work and absorbs a part of electric energy.
（4）When the capacity of capacitance group can not fully absorb braking energy, absorption resistance is devoted oneself to work consumption dump energy,
Within 5 minutes dump energy release time, residual voltage is less than 36V.
（5）With the defencive function such as overvoltage, excessively stream, overheated, short-circuit protection, DC bus-bar voltage is higher than 770V（It is adjustable）
When, charging resistor case is automatically into discharge mode.
（6）Within 1 minute capacitive energy storage device precharge time, discharge and recharge frequency at least 45 times is per minute.
It should be noted that the above is not the restriction to technical solution of the present invention, in the wound without departing from the present invention
On the premise of making design, any obvious replacement is within protection scope of the present invention.
Claims (5)
1. a kind of servo-pressing machine capacitive energy storage device, including power cabinet, switch board and capacitor box, it is characterised in that described
Power cabinet includes cabinet and the total power switch being sequentially connected by circuit, the charging current sensor and anti-that are mounted in the cabinet
Anti- diode, total power switch is provided with power input, and the power input is connected with current bus bar；
Capacitor box includes cabinet and some groups of capacitance groups being mounted in cabinet, and every group of capacitance group is by two ultracapacitors connected
Composition, is connected in parallel between each group capacitance group, and the input of the capacitance group is connected by circuit with counnter attack diode；
Switch board includes cabinet and the control power switch, fan switch, telex network module, the magnitude of voltage regulation that are mounted in cabinet
Device and lead-out terminal, lead-out terminal is connected with the driver of servo-pressing machine, and control power switch is by circuit and capacitor box
Capacitance group output end connection.
2. servo-pressing machine capacitive energy storage device according to claim 1, it is characterised in that the power cabinet also includes
Charging resistor case and the pre-charge contactor being connected between total power switch and charging current sensor, the charging resistor case
Input is connected with total power switch, output end and pre-charge contactor connection, pre-charge contactor and charging current sensor
Connection.
3. servo-pressing machine capacitive energy storage device according to claim 2, it is characterised in that the switch board also includes
The manual releasing energy switch being connected with control power switch.
4. servo-pressing machine capacitive energy storage device according to claim 3, it is characterised in that the power cabinet, electric capacity
Voltage, current instrument display, signal lamp, the voltage detecting point of series connection node are equipped with the cabinet of cabinet and switch board,
And operation button.
5. servo-pressing machine capacitive energy storage device according to claim 4, it is characterised in that the capacitor box be provided with to
It is few one.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710193919.0A CN106685024A (en) | 2017-03-28 | 2017-03-28 | Capacitive energy storage device for servo press |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710193919.0A CN106685024A (en) | 2017-03-28 | 2017-03-28 | Capacitive energy storage device for servo press |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106685024A true CN106685024A (en) | 2017-05-17 |
Family
ID=58826632
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710193919.0A Pending CN106685024A (en) | 2017-03-28 | 2017-03-28 | Capacitive energy storage device for servo press |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106685024A (en) |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202197226U (en) * | 2011-09-14 | 2012-04-18 | 南京天溯自动化控制系统有限公司 | Power station direct current power supply device based on super capacitor |
| CN206712488U (en) * | 2017-03-28 | 2017-12-05 | 广东华中科技大学工业技术研究院 | A kind of servo-pressing machine capacitive energy storage device |
-
2017
- 2017-03-28 CN CN201710193919.0A patent/CN106685024A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202197226U (en) * | 2011-09-14 | 2012-04-18 | 南京天溯自动化控制系统有限公司 | Power station direct current power supply device based on super capacitor |
| CN206712488U (en) * | 2017-03-28 | 2017-12-05 | 广东华中科技大学工业技术研究院 | A kind of servo-pressing machine capacitive energy storage device |
Non-Patent Citations (1)
| Title |
|---|
| 熊海洋: "基于电容储能的曲柄伺服压力机控制系统设计与实验" * |
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Application publication date: 20170517 |