CN107537938A - Automobile stamping heat recovery system and its control method - Google Patents
Automobile stamping heat recovery system and its control method Download PDFInfo
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- CN107537938A CN107537938A CN201710924195.2A CN201710924195A CN107537938A CN 107537938 A CN107537938 A CN 107537938A CN 201710924195 A CN201710924195 A CN 201710924195A CN 107537938 A CN107537938 A CN 107537938A
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Abstract
The present invention provides a kind of automobile stamping heat recovery system, the stamping system and energy-recuperation system being connected including control system and respectively with control system, control system includes the 3rd judging unit and control unit, stamping system includes mains supply, electric furnace, stamping machine and water cooling plant, and energy-recuperation system includes steam turbine and energy storage device；Electric furnace, stamping machine, water cooling plant and steam turbine are sequentially connected；Mains supply connects electric furnace, stamping machine and energy storage device respectively；Steam turbine and energy storage device connect electric furnace respectively；3rd judging unit judges whether steam turbine is in running order, and sends judged result to control unit；Control unit can control steam turbine to be powered to electric furnace, and it is electric furnace supplementary power to control mains supply or energy storage device, energy-saving, reduces production cost.Present invention also offers a kind of control method of automobile stamping heat recovery system, power supply plan is optimized, further saves cost.
Description
Technical field
The invention belongs to automobile stamping technical field, and in particular to a kind of automobile stamping heat recovery system and its controlling party
Method.
Background technology
As vehicles number surges, road construction development speed and safety coefficient be not matching so that road
The probability of generation accident rises suddenly；In addition, automobile fuel used about 60% is consumed in automotive dead weight.In order to meet that motor vehicle is pacified
Requirement in terms of full property and lightweight, the main flow that unimach turns into automotive body structure part material select.But in traditional cold
In punching course, due to unimach exist shape loading demands are high, formability is poor, it is easy to crack or produce warpage and
Bottleneck, the drop stamping technologies such as forming accuracy poor (resilience is difficult to control, and is also easy to produce various surface defects) are arisen at the historic moment.Drop stamping skill
Art be primarily referred to as it is a kind of by steel plate high temperature austenite area is stamping, the skill of high strength martensitic is converted into after quenching strengthening
Art.Drop stamping technological process is that the steel plate that tensile strength under normal temperature is 400~600MPa is heated to austenitic temperature first
Ac3(be usually 950 DEG C), is allowed to uniform austenitic, is then rapidly feeding stamping in mould, and pressurize simultaneously passes through mould water
It is cold to realize quenching strengthening, it is allowed to be converted into uniform martensitic structure, tensile strength can significantly be promoted to 1500MPa.It is existing
In technological process, after carrying out water cooling to drop stamping part, the heat energy of drop stamping part voluntarily dissipates, and is not collected utilization,
Energy resource consumption and processing cost are added, is unfavorable for energy-conserving and environment-protective.
The content of the invention
It is an object of the invention to provide a kind of processing cost is low, the automobile stamping heat recovery system of energy-conserving and environment-protective, Yi Jiyi
The control method of kind automobile stamping heat recovery system.
The invention provides following technical scheme：
A kind of automobile stamping heat recovery system, including control system and the stamping system and energy that are connected respectively with control system
Recovery system is measured, the control system includes the 3rd judging unit and control unit, and the stamping system includes mains supply, electricity
Heating furnace, stamping machine and water cooling plant, the energy-recuperation system include steam turbine and energy storage device；
The mains supply connects the electric furnace, the stamping machine and the energy storage device respectively；The electrical heating
Stove connects the stamping machine；The stamping machine connects the water cooling plant；The water cooling plant connects the steam turbine；It is described
Steam turbine and the energy storage device connect the electric furnace respectively；
3rd judging unit connects the steam turbine, for judging whether steam turbine is in running order；Institute
The 3rd judging unit connection described control unit is stated, judged result is sent to control unit；Described control unit connects institute respectively
State steam turbine, the energy storage device and the mains supply, control steam turbine, energy storage device, mains supply start and stop with
And the electric energy trend between steam turbine, energy storage device and mains supply three.If steam turbine is in running order, control
Unit control steam turbine processed powers the electric energy of recovery to electric furnace, and controls mains supply or energy storage device to electricity
Heating furnace supplementary power.
Preferably, the control system also includes the first judging unit, and first judging unit connects the civil power electricity
Source, for judging whether current time is in peak times of power consumption；Described control unit connects first judging unit, according to the
The judged result of one judging unit controls the steam turbine together with the energy storage device to electric furnace power supply or described
Steam turbine is powered together with the mains supply to the electric furnace.If being currently at peak times of power consumption, the control
Energy storage device described in unit priority acccess control is the electric furnace supplementary power；It is described if being currently at non-electrical peak period
Mains supply described in control unit priority acccess control is the electric furnace supplementary power.
Preferably, the control system also includes the second judging unit, and second judging unit connects the energy storage dress
Put, if be currently at non-electrical peak period, it is full that the second judging unit judges whether the electricity of energy storage device stores up；The control
Unit processed connects second judging unit, if the electricity of energy storage device has stored up full, control mains supply and steam turbine
Powered together to electric furnace；If the electricity of energy storage device does not store up completely, mains supply or steam turbine are controlled to energy storage
Device charges.
Preferably, the control system also includes the 4th judging unit, and the 4th judging unit connects the energy storage dress
Put, if be currently at peak times of power consumption, the 4th judging unit judges whether the electricity of energy storage device reaches electric discharge
Setting value；Described control unit connects the 4th judging unit；The setting value if electricity of energy storage device not up to discharges,
Control energy storage device stops to electric furnace supplementary power, while controls mains supply to electric furnace supplementary power；If storage
The electricity of energy device reaches electric discharge setting value, then controls energy storage device to electric furnace supplementary power, while control mains supply
Stop to electric furnace supplementary power.
Preferably, energy storage device includes energy-storage battery and two-way A/D converter, and mains supply connects two-way A/D converter,
Two-way A/D converter interconnects with energy-storage battery, and two-way A/D converter is also connected with electric furnace.
A kind of control method of automobile stamping heat recovery system, including：
S01：The mains supply is powered to the electric furnace and the stamping machine；
S02：After Automobile Parts heat in the electric furnace, into the stamping machine in it is stamping；
S03：Automobile Parts are sent into quenching strengthening in the water cooling plant, while vapor driving caused by quenching
The steam turbine generates electricity；
S04：First judging unit judges whether current time is in peak times of power consumption；If it is currently at peak of power consumption
During the phase, described control unit controls the steam turbine to heat the electric energy of recovery to the electric furnace, described in control
Energy storage device is to the electric furnace supplementary power；If be currently at non-electrical peak period, described in described control unit control
Steam turbine charges the electric energy of recovery to the energy storage device, controls the mains supply to be powered to the electric furnace.
Preferably, the step S04 also includes：If be currently at peak times of power consumption, putting for the energy storage device is set
Electric setting value, the 4th judging unit judge whether the current electricity of the energy storage device is more than the electric discharge setting value, when
When the electricity of the energy storage device is more than the electric discharge setting value, described control unit controls the steam turbine by the electricity of recovery
The electric furnace can be heated, control the energy storage device to continue to the electric furnace supplementary power；When the storage
When the electricity of energy device is less than or equal to the electric discharge setting value, described control unit controls the steam turbine by recovery
Electric energy heats to the electric furnace, controls the mains supply to the electric furnace supplementary power.
Preferably, the step S04 also includes：If be currently at non-electrical peak period, second judging unit is sentenced
It is full whether the electricity of the disconnected energy storage device stores up, when the electricity of the energy storage device does not store up full, described control unit control institute
Steam turbine is stated to continue to charge the electric energy of recovery to the energy storage device；When the electricity of the energy storage device has stored up full, institute
Stating control unit controls the steam turbine that the electric energy of recovery is powered to the electric furnace, controls the mains supply to institute
State electric furnace supplementary power.
Preferably, if being currently at non-electrical peak period, and when the electricity of the energy storage device does not store up full, the described 3rd
Judging unit judges whether the steam turbine is in running order, when steam turbine is in off working state, the control
Unit controls the mains supply to charge the energy storage device；When the electricity storage of the energy storage device is full, the control
Unit stops the mains supply and the energy storage device is charged.
The beneficial effects of the invention are as follows：
1. energy recovery caused by punching parts water hardening is converted into electric energy and utilized in heat recovery system inner loop, subtract
Lack delivery of the mains supply to electric furnace, saved processing cost, reduce the energy waste during water hardening.
2. energy storage device powers the electric energy of storage for electric furnace, mains supply adds to electricity when reducing peak times of power consumption
The delivery of hot stove, reduce further electric cost.
3. whether control system is in peak times of power consumption for current time, whether the electricity of energy-storage battery stores up full, steam
Whether turbine in running order, whether energy-storage battery electricity reaches the various power supply situations such as electric discharge setting value sends respectively
Corresponding control instruction, the use of electric energy is fully optimized, enhance the operation flexibility and stability of the present invention, improve work
Make efficiency, further save processing cost.
4. setting the electric discharge setting value of energy-storage battery, when the electric energy of energy-storage battery is less than electric discharge setting value, control system is fast
Speed starts energy supplement unit of the mains supply as electric furnace, improves job stability and operating efficiency, and pass through
The electric discharge setting value of energy-storage battery is set, avoids the electric energy of energy-storage battery from exhausting, extends the service life of energy-storage battery.
Brief description of the drawings
Accompanying drawing is used for providing a further understanding of the present invention, and a part for constitution instruction, the reality with the present invention
Apply example to be used to explain the present invention together, be not construed as limiting the invention.In the accompanying drawings：
Fig. 1 is the structural representation of the heat recovery system of the present invention；
Fig. 2 is the device connection diagram of the heat recovery system of the present invention；
Fig. 3 is a kind of flow chart of control method of the heat recovery system of the present invention.
Embodiment
As depicted in figs. 1 and 2, a kind of automobile stamping heat recovery system, including control system and respectively with control system connect
The stamping system and energy-recuperation system connect, the control system include the 3rd judging unit and control unit, the punching press system
System includes mains supply, electric furnace, stamping machine and water cooling plant, and the energy-recuperation system includes steam turbine and energy storage fills
Put；
The mains supply connects the electric furnace, the stamping machine and the energy storage device respectively；The electrical heating
Stove connects the stamping machine；The stamping machine connects the water cooling plant；The water cooling plant connects the steam turbine；It is described
Steam turbine and the energy storage device connect the electric furnace respectively；
3rd judging unit connects the steam turbine, for judging whether steam turbine is in running order；Institute
The 3rd judging unit connection described control unit is stated, judged result is sent to control unit；Described control unit connects institute respectively
State steam turbine, the energy storage device and the mains supply, control steam turbine, energy storage device, mains supply start and stop with
And the electric energy trend between steam turbine, energy storage device and mains supply three.
Mains supply is after electric furnace power supply makes its heating, Automobile Parts be heated in electric furnace, quickly to enter
Enter punch forming in the mould in stamping machine, subsequently into quenching strengthening in water cooling plant, vapor caused by quenching drives
Steam turbine generates electricity.3rd judging unit judges that steam turbine is currently at working condition, and judged result is sent to control unit,
Electric energy caused by steam turbine is fed back to electric furnace and powered for it by control unit.According to energy conservation principle, water hardening
Energy loss can be caused, the electric energy of steam turbine recovery is less than the electric energy required for electric furnace, is insufficient for electric furnace
Power demands, therefore, control unit control mains supply or energy storage device are to electric furnace supplementary power.Punching press terminates
Afterwards, the 3rd judging unit judges that steam turbine is in off working state, and control unit stops mains supply or energy storage device pair
Electric furnace is powered.After heat energy is converted into electric energy by steam turbine caused by water hardening, control system controls the steam turbine to be
Electric furnace is powered, and makes mains supply or energy storage device to electric furnace supplementary power, energy-saving, reduces production
Cost, it ensure that the work stability of heat recovery system.
Preferably, the control system also includes the first judging unit, and first judging unit connects the civil power electricity
Source, for judging whether current time is in peak times of power consumption；First judging unit connects described control unit, to control
Unit sends judged result.If current time is in non-electrical peak period and steam turbine is in running order, control unit
Mains supply is preferentially used to electric furnace supplementary power；If current time is in peak times of power consumption and steam turbine is in work
Make state, control unit preferentially uses energy storage device to electric furnace supplementary power.
Control system selects different power supply plans by judging whether current time is in peak times of power consumption.If it is in
During non-electrical peak period, it is electric furnace supplementary power to make full use of mains supply；If be in peak times of power consumption, make full use of
Energy storage device is electric furnace supplementary power, has saved electric cost, has reduced power load.
Preferably, the control system also includes the second judging unit, and second judging unit connects the energy storage dress
Put, if be in non-electrical peak period for judgement current time, whether the electricity of energy storage device stores up completely；Described second judges list
Member connection described control unit, judged result is sent to control unit；
If steam turbine is in off working state, and the electricity of energy storage device does not store up full, control unit control mains supply
Charged to energy storage device standby；If the electricity of energy storage device has stored up completely, control unit control mains supply stops to energy storage device
Charging；
If steam turbine is in running order, the electricity of energy storage device has stored up completely, and control unit controls steam turbine to electricity
Heating furnace is powered, and mains supply is to electric furnace supplementary power；If the electricity of energy storage device does not store up full, control unit control steam
Turbine charges to energy storage device.
By detecting whether the working condition of steam turbine and the electricity of energy storage device store up completely, in time in non-electrical peak period
Mains supply is controlled to charge to energy storage device or powered to electric furnace.Filled in time to energy storage device in non-electrical peak period
Electricity, electric cost is reduce further, and energy storage device is remained higher electricity, improve this heat recovery system
Automaticity, productive temp is continuously, stably, efficiently.
Preferably, the control system also includes the 4th judging unit, and the 4th judging unit connects the energy storage dress
Put, if be in peak times of power consumption and in running order steam turbine for judgement current time, the electricity of energy storage device
Whether electric discharge setting value is reached；4th judging unit connects described control unit, and judged result is sent to control unit；
If the electricity of energy storage device reaches electric discharge setting value, control unit control energy storage device continues to mend to electric furnace
Fill power supply；
As the electric energy in storage device gradually decreases, if the electricity of energy storage device is less than electric discharge setting value, vapor wheel
When total electric energy that the electric energy and energy storage device of machine recovery provide is insufficient for the power demands of electric furnace, control unit control
Energy storage device stops powering to electric furnace, and mains supply is powered as supplementary power unit to electric furnace, maintains electrical heating
The normal heating temperature of stove, ensure the job stability and continuity of the present apparatus.
When Automobile Parts punching press finishes, control system disconnects power supply of the mains supply to electric furnace, and non-
Connect mains supply in peak times of power consumption to power to energy storage device, energy storage device provides stand-by electric energy for start next time, in case meeting
To during peak of power consumption preferentially using energy storage device electric energy for electric furnace power supply；After the full electric energy of energy storage device storage, control system
The connection of mains supply and energy storage device is disconnected, the operation flexibility and stability of this control method is enhanced, further saves
Electric cost.Meanwhile by setting the electric discharge setting value of energy-storage battery, avoid the electric energy of energy-storage battery from exhausting, extend storage
The service life of energy battery.
Preferably, energy storage device includes two-way A/D converter and energy-storage battery, and energy storage device is powered excellent to electric furnace
Choosing method is：After direct current in energy-storage battery is converted to alternating current by control system by two-way A/D converter, electricity is connected to
Heating furnace is its supplementary power；The method that mains supply charges to energy storage device is：Two-way A/D converter is by the friendship of mains supply
Stream electricity is converted to direct current and is stored into energy-storage battery.
As shown in figure 3, the control method of more than one automobile stamping heat recovery systems, including：
S01：The mains supply is powered to the electric furnace and the stamping machine；
S02：After Automobile Parts heat in the electric furnace, into the stamping machine in it is stamping；
S03：Automobile Parts are sent into quenching strengthening in the water cooling plant, while vapor driving caused by quenching
The steam turbine generates electricity；
S04：First judging unit judges whether current time is in peak times of power consumption；If it is currently at peak of power consumption
During the phase, described control unit controls the steam turbine to heat the electric energy of recovery to the electric furnace, described in control
Energy storage device is to the electric furnace supplementary power；If be currently at non-electrical peak period, described in described control unit control
Steam turbine charges the electric energy of recovery to the energy storage device, controls the mains supply to be powered to the electric furnace.
Preferably, the step S04 also includes：If be currently at peak times of power consumption, putting for the energy storage device is set
Electric setting value, the 4th judging unit judge whether the current electricity of the energy storage device is more than the electric discharge setting value, when
When the electricity of the energy storage device is more than the electric discharge setting value, described control unit controls the steam turbine by the electricity of recovery
The electric furnace can be heated, control the energy storage device to continue to the electric furnace supplementary power；When the storage
When the electricity of energy device is less than or equal to the electric discharge setting value, described control unit controls the steam turbine by recovery
Electric energy heats to the electric furnace, controls the mains supply to the electric furnace supplementary power.
Preferably, the step S04 also includes：If be currently at non-electrical peak period, second judging unit is sentenced
It is full whether the electricity of the disconnected energy storage device stores up, when the electricity of the energy storage device does not store up full, described control unit control institute
Steam turbine is stated to continue to charge the electric energy of recovery to the energy storage device；When the electricity of the energy storage device has stored up full, institute
Stating control unit controls the steam turbine that the electric energy of recovery is powered to the electric furnace, controls the mains supply to institute
State electric furnace supplementary power.
Preferably, the step S04 also includes：If non-electrical peak period is currently at, and the electricity of the energy storage device
When amount does not store up full, the 3rd judging unit judges whether the steam turbine is in running order, when steam turbine is in non-
During working condition, described control unit controls the mains supply to charge the energy storage device；Until the energy storage device
When electricity storage is full, described control unit stops the mains supply and the energy storage device is charged.
The preferred embodiments of the present invention are the foregoing is only, are not intended to limit the invention, although with reference to foregoing reality
Apply example the present invention is described in detail, for those skilled in the art, it still can be to foregoing each implementation
Technical scheme described in example is modified, or carries out equivalent substitution to which part technical characteristic.All essences in the present invention
God any modification, equivalent substitution and improvements made etc., should be included in the scope of the protection with principle.
Claims (9)
1. a kind of automobile stamping heat recovery system, it is characterised in that be connected including control system and respectively with the control system
Stamping system and energy-recuperation system, the control system includes the 3rd judging unit and control unit, the stamping system
Including mains supply, electric furnace, stamping machine and water cooling plant, the energy-recuperation system includes steam turbine and energy storage fills
Put；
The mains supply connects the electric furnace, the stamping machine and the energy storage device respectively；The electric furnace connects
Connect the stamping machine；The stamping machine connects the water cooling plant；The water cooling plant connects the steam turbine；The steam
Turbine and the energy storage device connect the electric furnace respectively；
3rd judging unit connects the steam turbine, for judging whether steam turbine is in running order；Described
Three judging units connect described control unit, and judged result is sent to control unit；Described control unit connects the steaming respectively
Steam turbine, the energy storage device and the mains supply, if the steam turbine is in running order, described control unit is controllable
Make the steam turbine to power to electric furnace, and control the energy storage device or the mains supply to the electrical heating
Stove supplementary power；If the steam turbine is in off working state, described control unit stops the energy storage device or described
Mains supply is to the electric furnace supplementary power.
2. a kind of automobile stamping heat recovery system according to claim 1, it is characterised in that the control system also includes
First judging unit, first judging unit connect the mains supply, for judging whether current time is high in electricity consumption
The peak phase；First judging unit connects described control unit, and judged result is sent to described control unit；Described control unit
It can be controlled the steam turbine together with the energy storage device to electric furnace power supply or the vapor wheel according to judged result
Machine is powered together with the mains supply to the electric furnace.
3. a kind of automobile stamping heat recovery system according to claim 2, it is characterised in that the control system also includes
Second judging unit, second judging unit connect the energy storage device, and whether the electricity for judging energy storage device stores up full；
Second judging unit connects described control unit, and judged result is sent to described control unit；Described control unit can root
It is judged that mains supply described in output control charges to the energy storage device, or the steam turbine fills to the energy storage device
Electricity.
4. a kind of automobile stamping heat recovery system according to claim 3, it is characterised in that the control system also includes
4th judging unit, the 4th judging unit connects the energy storage device, for judging whether the electricity of energy storage device reaches
Electric discharge setting value；4th judging unit connects described control unit, and judged result is sent to control unit；The control is single
Member can control the mains supply to the electric furnace supplementary power according to judged result, or the energy storage device is to described
Electric furnace supplementary power.
5. a kind of automobile stamping heat recovery system according to any one of claim 1 to 4, it is characterised in that energy storage fills
Put including energy-storage battery and two-way A/D converter, mains supply connects two-way A/D converter, two-way A/D converter and energy storage electricity
Pond interconnects, and two-way A/D converter is also connected with electric furnace.
A kind of 6. control method of the automobile stamping heat recovery system described in claim 4, it is characterised in that including：
S01：The mains supply is powered to the electric furnace and the stamping machine；
S02：After Automobile Parts heat in the electric furnace, into the stamping machine in it is stamping；
S03：Automobile Parts are sent into quenching strengthening in the water cooling plant, while described in vapor driving caused by quenching
Steam turbine generates electricity；
S04：First judging unit judges whether current time is in peak times of power consumption；If it is currently at peak times of power consumption
When, described control unit controls the steam turbine to heat the electric energy of recovery to the electric furnace, controls the storage
Can device to the electric furnace supplementary power；If be currently at non-electrical peak period, described control unit controls the steaming
Steam turbine charges the electric energy of recovery to the energy storage device, controls the mains supply to be powered to the electric furnace.
7. the control method of automobile stamping heat recovery system according to claim 6, it is characterised in that the step S04
Also include：If be currently at peak times of power consumption, the electric discharge setting value of the energy storage device is set, the 4th judging unit is sentenced
Whether the current electricity of the energy storage device that breaks is more than the electric discharge setting value, when the electricity of the energy storage device is more than described put
During electric setting value, described control unit controls the steam turbine to heat the electric energy of recovery to the electric furnace, controls
The energy storage device is made to continue to the electric furnace supplementary power；Described in being less than or equal to when the electricity of the energy storage device
During setting value of discharging, described control unit controls the steam turbine to heat the electric energy of recovery to the electric furnace,
The mains supply is controlled to the electric furnace supplementary power.
8. the control method of automobile stamping heat recovery system according to claim 6, it is characterised in that the step S04
Also include：If be currently at non-electrical peak period, second judging unit judges whether the electricity of the energy storage device stores up
Full, when the electricity of the energy storage device does not store up full, described control unit controls the steam turbine to continue the electric energy of recovery
The energy storage device is charged；When the electricity of the energy storage device has stored up full, described control unit controls the steam turbine
The electric energy of recovery is powered to the electric furnace, controls the mains supply to the electric furnace supplementary power.
9. the control method of automobile stamping heat recovery system according to claim 8, it is characterised in that if being currently at non-
Peak times of power consumption, and when the electricity of the energy storage device does not store up full, the 3rd judging unit judges that the steam turbine is
No in running order, when steam turbine is in off working state, described control unit controls the mains supply to described
Energy storage device charges；When the electricity storage of the energy storage device is full, described control unit stops the mains supply to described
Energy storage device charges.
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| CN201710924195.2A CN107537938A (en) | 2017-09-30 | 2017-09-30 | Automobile stamping heat recovery system and its control method |
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| CN207655754U (en) * | 2017-09-30 | 2018-07-27 | 江苏金仕达汽配科技有限公司 | Automobile stamping heat recovery system |
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