CN201559095U - Power supply device of numerical-control roll grinder control power source - Google Patents
Power supply device of numerical-control roll grinder control power source Download PDFInfo
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- CN201559095U CN201559095U CN2009202088384U CN200920208838U CN201559095U CN 201559095 U CN201559095 U CN 201559095U CN 2009202088384 U CN2009202088384 U CN 2009202088384U CN 200920208838 U CN200920208838 U CN 200920208838U CN 201559095 U CN201559095 U CN 201559095U
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- power supply
- roll grinder
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Abstract
The utility model discloses a power supply device of a numerical-control roll grinder control power source, which comprises a power isolation transformer, a power module and a storage battery. An input end of the power isolation transformer is connected with an external power grid, an input end of the power module is electrically connected with an output end of the power isolation transformer and receives isolated alternating current, an output end of the power module is connected with an input end of the numerical-control roll grinder control power source, and the storage battery is connected with the power module through a cable. By utilizing a form of separating the control power source from a power source, the power supply device not only can avoid interference generated between the control power source and the power source, but also can not affect normal operation of a roll grinder due to factors such as intermittent power failure, power supply fluctuation and the like. Particularly, the storage battery which has an automatic backup protecting function can rapidly store servo position information, leads the roll grinder to continue roll processing after failure recovery without having to finding processing positions again, and greatly reduces influence of abnormal conditions to grinder production.
Description
Technical field
The utility model relates to the power supply field of CNC roll grinder, more particularly relates to a kind of electric supply installation of CNC roll grinder control power supply.
Background technology
Roll grinder is a kind of essential industry production equipment with special process requirement, be mainly used in the various cylinder rolls in the grinding roll mill with camber or concavity at central section (roll shape curve), because technology is very high for the requirement of precision, adopt the digital control type roll grinder at present mostly.
The electric power system of separate unit CNC roll grinder mainly adopts following mode at present, be after forceful electric power that external electrical network provides is sent into the electric control gear of CNC roll grinder by power line, being divided into two-way is electrical source of power and control power supply, wherein controls power supply and mainly mates following each several part: 1) the CNC power supply of grinding machine; 2) the computer communication power supply of each several part in the CNC roll grinder; 3) the 24V dc source of PLC and frequency converter; 4) control device tank bracket air-conditioning power supply; 5) used position feed back signal power supply of each axial SERVO CONTROL of CNC roll grinder walking mechanism etc.Because CNC roll grinder adopts the high-precision servo control system, therefore the control power supply there is higher requirement.If in the Roller Machining process, the forceful electric power that external electrical network provides the gap outage occurs or has a power failure, and will spend long time the normal back of electrical network operative employee and seek original Working position, and CNC roll grinder could continue processing roll then.And burst power failure fault also may cause computer control part and electronic devices and components in the CNC roll grinder to damage.Also impacts such as the transition of network source, surge, thunderbolt outside regular meeting is subjected to of CNC roll grinder cause the servo Working position information dropout of digital control computer, cause grinding machine processing to interrupt, and have both influenced continuous production, influence the Roller Machining quality again.
The utility model content
The problem that causes CNC roll grinder normally not move at the external electrical network instability that exists in the prior art, the purpose of this utility model provides a kind of electric supply installation of CNC roll grinder control power supply, and numerical control roll mill is moved under a stable environment.
For achieving the above object, the utility model adopts following technical scheme:
A kind of electric supply installation of CNC roll grinder control power supply comprises:
Power isolation transformer, its input is connected with external electrical network;
Power module, input is connected with the output of power isolation transformer, receives the alternating current through isolating, and output is connected with the input of CNC roll grinder control power supply;
Battery is connected with power module by cable.
Described electric supply installation also comprises the redundant power supply part, and the input of this redundant power supply part is connected with another road external electrical network, and output is electrically connected with described control power input.
Described redundant power supply partly comprises:
The redundant power isolating transformer, its input is connected with another road external electrical network;
The redundant power module, input is connected with the output of redundant power isolating transformer, receives the alternating current through isolating, and output is connected with the input of CNC roll grinder control power supply;
Redundant battery is connected with the redundant power module by cable.
Described power module and redundant power module are uninterrupted power source UPS.
Between described power isolation transformer and the power module, be respectively equipped with air switch between redundant power isolating transformer and the redundant power module; Also be respectively equipped with air switch between described power module and redundant power module and the control power supply.
The two ends of described power module, redundant power module also are parallel with a bypass branch road respectively.
In technique scheme, the electric supply installation of a kind of CNC roll grinder control power supply of the present utility model comprises power isolation transformer, and its input is connected with external electrical network; Power module, its input is electrically connected with the output of power isolation transformer, accepts the alternating current through isolating, and its output is connected with CNC roll grinder control power input; Battery is connected with power module by cable.Since the mode that adopts the control power supply to separate with electrical source of power, the interference that not only can avoid both to produce each other, nor can be because the operate as normal of factor affecting CNC roll grinders such as gap power failure, power-supply fluctuation.Especially the automatic back-up protection effect of battery can be preserved servo position information rapidly, makes can proceed Roller Machining after the fault recovery, need not to seek again Working position, reduces the influence that abnormal conditions are produced grinding machine greatly.
Description of drawings
Fig. 1 is the principle schematic of the electric supply installation of the utility model CNC roll grinder control power supply;
Fig. 2 is the principle schematic that has the electric supply installation of bypass branch.
The specific embodiment
Further specify the technical solution of the utility model below in conjunction with drawings and Examples.
See also shown in Figure 1ly, the electric supply installation 10 of a kind of CNC roll grinder control power supply comprises power isolation transformer 12, its input with as electrical source of power partly not the alternating current of the external electrical network 11 of homology be connected; Power module 14, its input is connected with the output of power isolation transformer 12, accepts the alternating current through isolating, and its output is connected with control power supply (N1, N2, N3, N4, the N5) input of many CNC roll grinder; Battery 13 is connected with power module 14 by cable.Electric supply installation also comprises redundant power supply part 15, and the input of this redundant power supply part 15 is connected with another road external electrical network, and output is electrically connected with control power supply (N1, N2, N3, N4, N5) input.Redundant power supply part 15 comprises: redundant power isolating transformer 152, its input with as electrical source of power part not the alternating current of another road external power grid 151 of homology be connected; Redundant power module 154, its input is electrically connected with the output of redundant power isolating transformer 152, accepts the alternating current through isolating, and its output is electrically connected with control power supply (N1, N2, N3, N4, the N5) input of CNC roll grinder; Redundant battery 153 is connected with redundant power module 154 by cable.Because system has adopted the parallel operation redundant fashion of 1+1, under normal circumstances two overlap power supply facilities load sharing separately, promptly can power to the control power supply (N1, N2, N3, N4, N5) of different CNC roll grinders respectively, if wherein a cover overhauls or fault, another set of just can be that all control power supplys (N1, N2, N3, N4, N5) are powered, and reliability, the stability of power supply improve greatly.Power module 14, redundant power module 154 all can be uninterrupted power source UPS, during normal the operation, two-way external power grid (11,151) enters power module 14, redundant power module 154 through power isolation transformer 12, redundant power isolating transformer 152 respectively, rectification circuit through AC/DC carries out floating charging to battery 13, redundant battery 153 respectively, exports the alternating current of 380V again through the inverter circuit of DC/AC.When a road in the two-way external power grid (11,151) or when simultaneously barrier can not be worked for some reason, corresponding battery (13,153) can discharge to corresponding power module (14,154), make CNC roll grinder control power supply can continue to keep work a period of time, operating personnel can in time store the servo Working position information of digital control computer.After treating that external power is normal, CNC roll grinder is proceeded processing on the basis of former Working position.
See also shown in Figure 2 again, between power isolation transformer 12 and the power module 14, be respectively equipped with air switch (K12, K152) between redundant power isolating transformer 152 and the redundant power module 154, also be respectively equipped with air switch (K13, K153) between described power module 14 and redundant power module 154 and the control power supply (N1, N2, N3, N4, N5).Adopt such structure, can make things convenient for daily care and maintenance.During use, closed each air switch makes power module 14, redundant power module 154 to work normally.When breaking down, disconnect corresponding switch, out of order power module (14,154) is keeped in repair.Can also bypass branch that have air switch (K15, K155) in parallel respectively at the two ends of power module 14, redundant power module 154, one end of bypass branch is connected with the input of air switch (K12, K152), and the other end of bypass branch is connected with the output of air switch (K13, K153).Power module relative one tunnel (14,154) is when breaking down, can closed corresponding air switch (K13, K153), and power directly for control power supply (N1, N2, N3, N4, N5).
Those of ordinary skill in the art will be appreciated that, above embodiment is used for illustrating purpose of the present invention, and be not as limitation of the invention, as long as in essential scope of the present invention, all will drop in the scope of claim of the present invention variation, the modification of the above embodiment.
Claims (6)
1. the electric supply installation of a CNC roll grinder control power supply is characterized in that, comprising:
Power isolation transformer (12), input is connected with external electrical network;
Power module (14), input is connected with the output of power isolation transformer (12), receives the alternating current through isolating, and output is connected with the input of CNC roll grinder control power supply (N1, N2, N3, N4, N5);
Battery (13) is connected with power module (14) by cable.
2. electric supply installation as claimed in claim 1 is characterized in that:
Described electric supply installation also comprises redundant power supply part (15), and the input of this redundant power supply part (15) is connected with another road external electrical network, and output is connected with described control power supply (N1, N2, N3, N4, N5) input.
3. electric supply installation as claimed in claim 2 is characterized in that:
Described redundant power supply part (15) comprising:
Redundant power isolating transformer (152), input is connected with another road external electrical network;
Redundant power module (154), input is connected with the output of redundant power isolating transformer (152), receives the alternating current through isolating, and output is connected with the input of CNC roll grinder control power supply (N1, N2, N3, N4, N5);
Redundant battery (153) is connected with redundant power module (154) by cable.
4. electric supply installation as claimed in claim 3 is characterized in that:
Described power module (14) is uninterrupted power source UPS with redundant power module (154).
5. electric supply installation as claimed in claim 3 is characterized in that:
Between described power isolation transformer (12) and the power module (14), be respectively equipped with air switch (K12, K152) between redundant power isolating transformer (152) and the redundant power module (154); Also be respectively equipped with air switch (K13, K153) between described power module (14) and redundant power module (154) and the control power supply (N1, N2, N3, N4, N5).
6. electric supply installation as claimed in claim 5 is characterized in that:
The two ends of described power module (14), redundant power module (154) also are parallel with a bypass branch road respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009202088384U CN201559095U (en) | 2009-09-17 | 2009-09-17 | Power supply device of numerical-control roll grinder control power source |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009202088384U CN201559095U (en) | 2009-09-17 | 2009-09-17 | Power supply device of numerical-control roll grinder control power source |
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| Publication Number | Publication Date |
|---|---|
| CN201559095U true CN201559095U (en) | 2010-08-25 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009202088384U Expired - Fee Related CN201559095U (en) | 2009-09-17 | 2009-09-17 | Power supply device of numerical-control roll grinder control power source |
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| Country | Link |
|---|---|
| CN (1) | CN201559095U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108899992A (en) * | 2018-08-08 | 2018-11-27 | 江苏核电有限公司 | A kind of fire-fighting system dual power supply device |
-
2009
- 2009-09-17 CN CN2009202088384U patent/CN201559095U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108899992A (en) * | 2018-08-08 | 2018-11-27 | 江苏核电有限公司 | A kind of fire-fighting system dual power supply device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20100825 Termination date: 20160917 |
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| CF01 | Termination of patent right due to non-payment of annual fee |