CN203813511U - Security inflator power supply system for liquid crystal glass production - Google Patents
Security inflator power supply system for liquid crystal glass production Download PDFInfo
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- CN203813511U CN203813511U CN201420187969.XU CN201420187969U CN203813511U CN 203813511 U CN203813511 U CN 203813511U CN 201420187969 U CN201420187969 U CN 201420187969U CN 203813511 U CN203813511 U CN 203813511U
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- power supply
- power
- air compressor
- security personnel
- compressor machine
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- 239000011521 glass Substances 0.000 title claims abstract description 17
- 238000004519 manufacturing process Methods 0.000 title abstract description 5
- 239000004973 liquid crystal related substance Substances 0.000 title abstract 2
- 238000004146 energy storage Methods 0.000 claims abstract description 17
- 230000003068 static effect Effects 0.000 claims abstract description 14
- 239000003990 capacitor Substances 0.000 claims description 24
- 230000001681 protective effect Effects 0.000 claims description 15
- 238000000034 method Methods 0.000 claims description 7
- 230000008676 import Effects 0.000 claims description 3
- 239000000178 monomer Substances 0.000 claims description 3
- 230000008859 change Effects 0.000 abstract description 4
- 230000009977 dual effect Effects 0.000 abstract 3
- 238000010586 diagram Methods 0.000 description 13
- 230000006837 decompression Effects 0.000 description 10
- 238000005516 engineering process Methods 0.000 description 4
- 238000007599 discharging Methods 0.000 description 2
- 230000005611 electricity Effects 0.000 description 2
- 238000007689 inspection Methods 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000009467 reduction Effects 0.000 description 2
- 230000008439 repair process Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000007667 floating Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000005304 joining Methods 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
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Abstract
The utility model discloses a security inflator power supply system for liquid crystal glass production. The security inflator power supply system comprises a dual power supply automatic change over switch, a UPS power supply, a system power supply N, a frequency converting unit, an energy storage unit, a static security load, and a dynamic load security inflator, wherein the frequency converting unit is formed by connecting a reactor, a rectifier, a filter, and an inverter in sequence; two power supply input ports of the dual power supply automatic change over switch are respectively connected with the UPS power supply and the system power supply N, a load output port of the dual power supply automatic change over switch is connected with the reactor of the frequency converting unit; the dynamic load security inflator is connected with the inverter of the frequency converting unit; the energy storage unit comprises a supercapacitor group, a breaker, a current limiting element, and an air switch, the current limiting element is connected parallelly at two ends of the breaker after being serially connected with the air switch, one end of the breaker is connected with the supercapacitor group, and the other end of the breaker is connected between the filter and inverter of the frequency converting unit; and the static security load is connected with the UPS power supply.
Description
Technical field
The utility model relates to a kind of security personnel's air compressor machine power-supply system of producing for liquid-crystalline glasses.
Background technology
In the molten shaping area of joining of electronic glass industry, technological requirement provides continuously compressed air reliably, and compressed-air actuated terminal equipment is interruption work, and gas consumption is also in the cycle changes.When normal, generally powered by powerful High Pressure Air Compressor.In order to ensure air for continuous reliability, separately there is security personnel's air compressor machine to do for subsequent use, and will be to the regular test-run a machine of security personnel's air compressor machine in for subsequent use, to guarantee that security personnel's pneumatics function starts rapidly, ensures that compressed air does not interrupt in the time that High Pressure Air Compressor fault or decompression are shut down.Security personnel's air compressor machine is as emergency plant, and its power supply provides essential and ensures continuously reliably.Prior art is, dynamic load security personnel's air compressor machine and static protective load all have high-octane UPS system directly to provide, dynamic load security personnel air compressor machine load significantly changes and will certainly cause emergency power supply change in voltage, and static protective load technological parameter stability is impacted.
Summary of the invention
The technical problems to be solved in the utility model is to provide a kind of security personnel's air compressor machine power-supply system of producing for liquid-crystalline glasses.
In order to solve the problems of the technologies described above, the technical solution adopted in the utility model is: security personnel's air compressor machine power-supply system of producing for liquid-crystalline glasses, comprises double power supply automatic switching switch, ups power, system power supply N, converter unit, energy-storage units, static protective load and dynamic load security personnel air compressor machine;
Converter unit is connected to form successively by reactor, rectifier, filter and inverter;
Two power import ends of double power supply automatic switching switch connect respectively ups power and system power supply N, and the load port of export of double power supply automatic switching switch is connected with the reactor of converter unit;
Dynamic load security personnel air compressor machine is connected with the inverter of converter unit;
Energy-storage units comprises bank of super capacitors, circuit breaker, current limiting element and air switch, after current limiting element series connection air switch, be connected in parallel on circuit breaker two ends, one end of circuit breaker connects bank of super capacitors, and the other end of circuit breaker is connected between the filter and inverter of converter unit;
Static protective load is connected with ups power.
As preferably, ups power is the redundant parallel system being unified into by parallel operation by more than two ups power unit, adopts on-line operation working method.
As preferably, system power supply N is the power-supply system being provided by civil power.
As preferably, converter unit is the friendship orthogonal voltage source frequency converter with filter; Filter is made up of filter capacitor and filter inductance.
As preferably, bank of super capacitors connects the DC bus of converter unit by circuit breaker; The electric elements of limited to the direct current that current limiting element is made up of inductance and resistance; Bank of super capacitors be by monomer ultracapacitor by after first connecting again parallel connection form.
The beneficial effects of the utility model are:
With the power-supply system of the compositions such as double power supply automatic switching switch, and the frequency-changing control system being formed by ultracapacitor energy storage unit, converter unit.Both ensure security personnel's air compressor machine emergent standby host reliably, reduced again the impact of dynamic protective load on static protective load.Greatly improve production technology.
By installing ultracapacitor energy storage unit additional; utilize the high power of ultracapacitor; high-energy, long-life, non-maintaining, pollution-free, the advantages such as energy release fast can be provided; make frequency converter in the time of input power decompression; can within double power supply automatic switching switch switching time, give the power supply of security personnel's air compressor machine; have output uninterrupted, equipment is stopping function not.
When circuit breaker in ultracapacitor energy storage unit and air switch disconnect, bank of super capacitors is logged off, at this moment converter unit can be used as independently frequency converter and normally uses or carry out Maintenance and Repair.
Brief description of the drawings
Below in conjunction with the drawings and specific embodiments, the utility model is described in further detail.
Fig. 1 is the theory diagram of the utility model for security personnel's air compressor machine power-supply system embodiment of liquid-crystalline glasses production.
Fig. 2 is security personnel's air compressor machine power-supply system embodiment that the utility model is produced for liquid-crystalline glasses, the system power schematic diagram in the time of the normal standby host state of security personnel's air compressor machine.
Fig. 3 is security personnel's air compressor machine power-supply system embodiment that the utility model is produced for liquid-crystalline glasses, the system power schematic diagram in the time of security personnel's air compressor machine self-starting or normal test-run a machine.
Fig. 4 is security personnel's air compressor machine power-supply system embodiment that the utility model is produced for liquid-crystalline glasses, civil power decompression in security personnel's compressor operation, system power schematic diagram in duplicate supply handoff procedure.
Fig. 5 is security personnel's air compressor machine power-supply system embodiment that the utility model is produced for liquid-crystalline glasses, in civil power decompression, and system power schematic diagram when security personnel's air compressor machine is powered by UPS.
Fig. 6 security personnel's air compressor machine power-supply system embodiment that to be the utility model produce for liquid-crystalline glasses, the system power schematic diagram before bank of super capacitors puts into operation when precharge.
Fig. 7 is security personnel's air compressor machine power-supply system embodiment that the utility model is produced for liquid-crystalline glasses, the system power schematic diagram in security personnel's compressor operation in raising speed/reduction of speed process.
Embodiment
Fig. 1 is security personnel's air compressor machine power-supply system of producing for liquid-crystalline glasses, comprises double power supply automatic switching switch, ups power, system power supply N, converter unit, energy-storage units, static protective load and dynamic load security personnel air compressor machine.
Converter unit is connected to form successively by reactor, rectifier, filter and inverter.
Two power import ends of double power supply automatic switching switch connect respectively ups power and system power supply N, and the load port of export of double power supply automatic switching switch is connected with the reactor of converter unit.
Dynamic load security personnel air compressor machine is connected with the inverter of converter unit.
Energy-storage units comprises bank of super capacitors, circuit breaker, current limiting element and air switch, after current limiting element series connection air switch, be connected in parallel on circuit breaker two ends, one end of circuit breaker connects bank of super capacitors, and the other end of circuit breaker is connected between the filter and inverter of converter unit.
Static protective load is connected with ups power.
Wherein, ups power is the redundant parallel system being unified into by parallel operation by more than two ups power unit, adopts on-line operation working method.
System power supply N is the power-supply system being provided by civil power.
Converter unit is the friendship orthogonal voltage source frequency converter with filter; Filter is made up of filter capacitor and filter inductance.
Bank of super capacitors connects the DC bus of converter unit by circuit breaker; The electric elements of limited to the direct current that current limiting element is made up of inductance and resistance; Bank of super capacitors be by monomer ultracapacitor by after first connecting again parallel connection form.
The rotating speed of dynamic load security personnel air compressor machine does periodically and significantly changes with load.
In liquid-crystalline glasses is produced, compressed air is under normal circumstances provided by high-power high voltage air compressor machine.Only, in the situations such as High Pressure Air Compressor fault or High Pressure Air Compressor dead electricity, while causing compress air system pressure to drop to set point, just need start security personnel's air compressor machine and provide compressed air to system.For the air compressor machine that ensures to ensure public security can start smoothly under case of emergency, and air feed smoothly.Need regularly security personnel's air compressor machine and frequency-changing control system thereof to be carried out to test run inspection.During for guarantee test run, do not affect static protective load, separately, under case of emergency, during as civil power decompression, security personnel's pneumatics function starts smoothly, and has reliable power supply to provide.The present embodiment is provided with double power supply automatic switching switch especially.When normal, initialization system power supply N is main power source, and emergency power supply is stand-by power supply.When main power source disappears, automatically switch to stand-by power supply.
System power schematic diagram when Fig. 2 is the normal standby host state of security personnel's air compressor machine.Now, double power supply converting switch selects main power source (being system power supply N) to provide power supply to converter unit; The bank of super capacitors of energy-storage units, by the DC bus UNICOM in closing position circuit breaker and converter unit, works in floating charge state; Inverter is not worked, and security personnel's air compressor machine stops.
System power schematic diagram when Fig. 3 is security personnel's air compressor machine self-starting or normal test-run a machine.When civil power is normal, normally provide electricity consumption by system power supply N, the air compressor machine emergency starting of ensuring public security while ensureing High Pressure Air Compressor fault, and normal test run inspection.Thereby ensure that dynamic protective load separates with static protective load, is independent of each other.Energy-storage units now works in periodically charging and discharging state.
Fig. 4 is civil power decompression in security personnel's compressor operation, system power schematic diagram in duplicate supply handoff procedure.When civil power decompression, double power supply automatic switching switch is received after main power source decompression signal, more whether detect stand-by power supply normal, and after judgement is confirmed, switching command is sent in time delay.During this period of time, converter unit is without input current, and energy-storage units works in discharge condition, provides uninterrupted power supply to security personnel's air compressor machine.
Fig. 5 is civil power decompression, system power schematic diagram when security personnel's air compressor machine is powered by UPS.When civil power decompression, double power supply automatic switching switch automatically switches to after stand-by power supply, will have ups power that energy is provided, and energy-storage units works in periodically charging and discharging state.
Fig. 6 is system power schematic diagram when precharge before bank of super capacitors puts into operation.Comprise that the energy-storage units of bank of super capacitors is before being connected with converter unit, needed first cut-off breaker, the air switch that closes to bank of super capacitors precharge, after circuit breaker both end voltage reaches unanimity, then connected circuit breaker and be connected to DC bus.When circuit breaker and air switch disconnect, bank of super capacitors is logged off, at this moment converter unit can be used as independently frequency converter and normally uses or carry out Maintenance and Repair.
Fig. 7 is the system power schematic diagram in raising speed/reduction of speed process in security personnel's compressor operation.Dynamic load security personnel air compressor machine has formed frequency-changing control system by ultracapacitor energy storage unit, converter unit to be controlled, and coordinates the power-supply system of double power supply automatic switching switch composition.In the time that security personnel's rotational speed of air compressor increases, bank of super capacitors electric discharge, is charged to bank of super capacitors by dynamic emergency power supply when rotating speed reduces.Bank of super capacitors coordinates the metering function of filter, reactor, and input current is tended towards stability.Reduce the impact of dynamic protective load on static protective load, greatly improved production technology.As shown in Figure 7, represent system power with the line segment of arrow, its arrow represents current direction, and line segment thickness represents size of current, and solid line represents that air compressor machine accelerates, and dotted line represents that air compressor machine slows down.
Above-described the utility model execution mode, does not form the restriction to the utility model protection range.Any amendment of doing within spirit of the present utility model and principle, be equal to and replace and improvement etc., within all should being included in claim protection range of the present utility model.
Claims (7)
1. security personnel's air compressor machine power-supply system of producing for liquid-crystalline glasses, is characterized in that: comprise double power supply automatic switching switch, ups power, system power supply N, converter unit, energy-storage units, static protective load and dynamic load security personnel air compressor machine;
Described converter unit is connected to form successively by reactor, rectifier, filter and inverter;
Two power import ends of described double power supply automatic switching switch connect respectively ups power and system power supply N, and the load port of export of double power supply automatic switching switch is connected with the reactor of converter unit;
Described dynamic load security personnel air compressor machine is connected with the inverter of converter unit;
Described energy-storage units comprises bank of super capacitors, circuit breaker, current limiting element and air switch, after described current limiting element series connection air switch, be connected in parallel on circuit breaker two ends, one end of described circuit breaker connects bank of super capacitors, and the other end of circuit breaker is connected between the filter and inverter of converter unit;
Described static protective load is connected with ups power.
2. security personnel's air compressor machine power-supply system according to claim 1, is characterized in that: described ups power is the redundant parallel system being unified into by parallel operation by more than two ups power unit, adopts on-line operation working method.
3. security personnel's air compressor machine power-supply system according to claim 1, is characterized in that: described system power supply N is the power-supply system being provided by civil power.
4. security personnel's air compressor machine power-supply system according to claim 1, is characterized in that: described converter unit is the friendship orthogonal voltage source frequency converter with filter.
5. security personnel's air compressor machine power-supply system according to claim 1, is characterized in that: described filter is made up of filter capacitor and filter inductance.
6. security personnel's air compressor machine power-supply system according to claim 1, is characterized in that: the electric elements of limited to the direct current that described current limiting element is made up of inductance and resistance.
7. security personnel's air compressor machine power-supply system according to claim 1, is characterized in that: described bank of super capacitors be by monomer ultracapacitor by after first connecting again parallel connection form.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420187969.XU CN203813511U (en) | 2014-04-17 | 2014-04-17 | Security inflator power supply system for liquid crystal glass production |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420187969.XU CN203813511U (en) | 2014-04-17 | 2014-04-17 | Security inflator power supply system for liquid crystal glass production |
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| Publication Number | Publication Date |
|---|---|
| CN203813511U true CN203813511U (en) | 2014-09-03 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420187969.XU Expired - Fee Related CN203813511U (en) | 2014-04-17 | 2014-04-17 | Security inflator power supply system for liquid crystal glass production |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104901326A (en) * | 2015-06-04 | 2015-09-09 | 中国核动力研究设计院 | Control rod drive mechanism static power supply system and energy storage system and power supply method thereof |
| CN110417075A (en) * | 2018-04-27 | 2019-11-05 | 矢崎总业株式会社 | Power supply redundancy system |
| CN113833627A (en) * | 2021-10-26 | 2021-12-24 | 浙江象睿机电设备有限公司 | Self-starting air compression regulation and control system |
-
2014
- 2014-04-17 CN CN201420187969.XU patent/CN203813511U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104901326A (en) * | 2015-06-04 | 2015-09-09 | 中国核动力研究设计院 | Control rod drive mechanism static power supply system and energy storage system and power supply method thereof |
| CN110417075A (en) * | 2018-04-27 | 2019-11-05 | 矢崎总业株式会社 | Power supply redundancy system |
| CN110417075B (en) * | 2018-04-27 | 2023-03-14 | 矢崎总业株式会社 | Redundant Power System |
| CN113833627A (en) * | 2021-10-26 | 2021-12-24 | 浙江象睿机电设备有限公司 | Self-starting air compression regulation and control system |
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| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: Security inflator power supply system for liquid crystal glass production Effective date of registration: 20200713 Granted publication date: 20140903 Pledgee: Beijing State Owned Financial Leasing Co.,Ltd. Pledgor: WUHU TUNGHSU PHOTOELECTRIC SCIENCE AND TECHNOLOGY Co.,Ltd. Registration number: Y2020990000738 |
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| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140903 |
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| CF01 | Termination of patent right due to non-payment of annual fee |