CN112838581A - Power control system of machine tool set - Google Patents
Power control system of machine tool set Download PDFInfo
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- CN112838581A CN112838581A CN201911164232.XA CN201911164232A CN112838581A CN 112838581 A CN112838581 A CN 112838581A CN 201911164232 A CN201911164232 A CN 201911164232A CN 112838581 A CN112838581 A CN 112838581A
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Abstract
A power control system for a machine tool set, comprising: k machine tool power supply lines independently supplying power, wherein each machine tool power supply line is responsible for supplying power to one machine tool; k voltage regulators are respectively installed in K voltage monitors in K machine tool power supply lines and respectively installed between the output sides of the voltage regulators and the corresponding machine tools; k controlled switches are respectively arranged between the voltage monitor and the corresponding machine tool and used for conducting on-off control of a power supply of a machine tool power supply line; wherein, the voltage monitor on every lathe power supply line and the operating power supply of controlled switch all are got from other lathe power supply lines, all the operating power supply forms alternately getting the electricity together. The invention can enable the corresponding voltage monitor and the controlled switch to continue to work normally when the power supply of the current machine tool power supply line fluctuates, continue to monitor the current machine tool power supply line normally, and stop supplying power to the current machine tool power supply line when the current machine tool power supply line exceeds the preset power supply voltage range.
Description
Technical Field
The invention relates to the field of machine tools, in particular to a power supply control system of a machine tool set.
Background
Machine tools are machines for manufacturing machines, also called machine tools or machine tools, and are conventionally called machine tools for short. Generally, the machining method is divided into a metal cutting machine, a forging machine, a woodworking machine and the like. The methods for machining machine parts in modern machine manufacturing are numerous: in addition to cutting, casting, forging, welding, pressing, extruding, etc., however, in general, a part requiring high precision and fine surface roughness is finished by cutting on a machine tool. The machine tool plays an important role in the construction of national economy modernization.
Machine tools are widely used in factories and manufacturing plants, and therefore, the precision requirement on the machine tools is generally high. The power supply input of the machine tool is an important factor influencing the precision of the machine tool, and although a voltage stabilizing system is added in many machine tools at present, the voltage stabilizing system only can play a role in reducing the influence of power supply fluctuation and cannot completely eliminate the influence of power supply fluctuation. Especially, under the condition of large power supply fluctuation, the influence on the precision of the machine tool is still large. In order to overcome the phenomenon, a voltage monitoring function is added to some machine tools at present, and power is supplied to an electric functional component of the machine tool only under the condition that a power supply meets the requirement, otherwise, the power supply is cut off. However, the voltage monitor used in the voltage monitoring function is also powered by the same power supply as the machine tool, and when the power supply itself is unstable, the voltage monitor may operate abnormally, which may cause the voltage monitoring function to malfunction, and the machine tool may still have insufficient accuracy.
Disclosure of Invention
The invention aims to solve the technical problem that a power supply control system of a machine tool group is provided aiming at the defects that in the prior art, when a large number of machine tools work at the same position and a power supply is unstable, a voltage monitor can work abnormally, so that the voltage monitoring function is abnormal, and the machine tools still can have insufficient precision.
The technical scheme adopted by the invention for solving the technical problems is as follows: a power control system for a machine tool set is configured, including:
k machine tool power supply lines independently supplying power, wherein K is more than or equal to 3, and each machine tool power supply line is responsible for supplying power to one machine tool;
k voltage stabilizers which are respectively installed in K machine tool power supply lines;
k voltage monitors are respectively arranged between the output side of the voltage stabilizer and the corresponding machine tool;
k controlled switches are respectively arranged between the voltage monitor and the corresponding machine tool and used for conducting on-off control of a power supply of a machine tool power supply line;
wherein, the voltage monitor on every lathe power supply line and the operating power supply of controlled switch all are got from other lathe power supply lines, all the operating power supply forms alternately getting the electricity together.
Further, in the power supply control system of the machine tool group according to the present invention, if the voltage monitor and the controlled switch of an arbitrary machine tool i are supplied with power from the power-supply machine tool power supply line of the machine tool j, the voltage monitor and the controlled switch of the machine tool j must be supplied with power from the power-supply machine tool power supply line of the machine tool k, but cannot be supplied with power from the power-supply machine tool power supply line of the machine tool i, i ≠ j ≠ k.
Further, in the power supply control system of the machine tool group according to the present invention, when the working power supply is supplied from another machine tool power supply line, the working power supply is connected between the corresponding machine tool and a controlled switch connected to the other machine tool power supply line.
Further, in the power control system of the machine tool set of the present invention, each of the controlled switches is a normally open controlled switch, and when the controlled switch does not normally supply power, the power supply is turned off.
Further, in the power control system of the machine tool set, each controlled switch is a wireless controlled switch, and the power control system is provided with a standby power supply, and is used for supplying power to the standby power supply when the controlled switch does not normally supply power, but does not adopt the standby power supply to supply power under the normal power supply condition, and can be switched on and switched off under the wireless control of other control devices.
Further, in the power control system of the machine tool set of the present invention, each controlled switch has a physical operation switch thereon for turning on and off the following functions of the controlled power supply: and when the controlled switch does not normally supply power, supplying power to the standby power supply.
The power supply control system of the machine tool set has the following beneficial effects: the power supply control system of the machine tool group can adopt other machine tool power supply lines for both the voltage monitor and the controlled switch of the current machine tool power supply line when the power supply of the current machine tool power supply line fluctuates, so that the normal work can be continued, the current machine tool power supply line can be continuously and normally monitored, and when the current machine tool power supply line exceeds the preset power supply voltage range, the power supply is normally cut off through the controlled switch, and the power supply for the current machine tool power supply line is stopped.
Drawings
The invention will be further described with reference to the accompanying drawings and examples, in which:
fig. 1 is a schematic circuit diagram of a power control system of a machine tool set.
Detailed Description
For a more clear understanding of the technical features, objects and effects of the present invention, embodiments of the present invention will now be described in detail with reference to the accompanying drawings.
Referring to fig. 1, the technical solution adopted by the present invention to solve the technical problem is: a power control system for a machine tool set is configured, including:
k machine tool power supply lines independently supplying power, wherein K is more than or equal to 3, and each machine tool power supply line is responsible for supplying power to one machine tool;
k voltage stabilizers which are respectively installed in K machine tool power supply lines;
k voltage monitors are respectively arranged between the output side of the voltage stabilizer and the corresponding machine tool and are used for acquiring voltage;
k controlled switches are respectively arranged between the voltage monitor and the corresponding machine tool and used for conducting on-off control of a power supply of a machine tool power supply line;
the voltage monitor on each machine tool power supply line and the working power supply of the controlled switch are all taken from other machine tool power supply lines, and all the working power supplies form cross power taking together; all voltage monitors and controlled switches are connected to the main control unit, the voltage monitors send collected data to the main control unit, the main control unit controls the controlled switches according to the data, and the control method comprises the following steps: when the power supply of the current machine tool power supply line fluctuates, the voltage monitor and the controlled switch of the current machine tool power supply line adopt other machine tool power supply lines, so that normal operation can be continued, the current machine tool power supply line can be continuously and normally monitored, and when the current machine tool power supply line exceeds the preset power supply voltage range, the power supply is normally cut off through the controlled switch, and the power supply of the current machine tool power supply line is stopped.
In the power supply control system of the machine tool group according to the present invention, for an arbitrary machine tool i, if the voltage monitor and the controlled switch thereof are supplied with power from the power supply machine tool power supply line of the machine tool j, the voltage monitor and the controlled switch of the machine tool j must be supplied with power from the power supply machine tool power supply line of the machine tool k, but cannot be supplied with power from the power supply machine tool power supply line of the machine tool i, i ≠ j ≠ k.
In the power supply control system of the machine tool set according to the present invention, the operating power supply is connected to the other machine tool power supply line between the controlled switch and the corresponding machine tool when the operating power supply is supplied from the other machine tool power supply line.
In the power supply control system of the machine tool set, each controlled switch is a normally-open controlled switch, and when the controlled switch does not normally supply power, the power supply is cut off.
In the power supply control system of the machine tool set, each controlled switch is a wireless controlled switch, is provided with a standby power supply, is used for supplying power to the standby power supply when the controlled switch does not normally supply power, does not adopt the standby power supply to supply power under the normal power supply condition, and can be switched on and switched off under the wireless control of other control devices. Therefore, the problem that controlled switches and voltage monitors of other machine tool power supply lines cannot work normally after the current machine tool power supply line is powered off is avoided.
In the power control system of the machine tool set, each controlled switch is provided with a physical operation switch for turning on and off the following functions of the controlled power supply: and when the controlled switch does not normally supply power, supplying power to the standby power supply.
While the present invention has been described with reference to the embodiments shown in the drawings, the present invention is not limited to the embodiments, which are illustrative and not restrictive, and it will be apparent to those skilled in the art that various changes and modifications can be made therein without departing from the spirit and scope of the invention as defined in the appended claims.
Claims (6)
1. A power control system for a machine tool assembly, comprising:
k machine tool power supply lines independently supplying power, wherein K is more than or equal to 3, and each machine tool power supply line is responsible for supplying power to one machine tool;
k voltage stabilizers which are respectively installed in K machine tool power supply lines;
k voltage monitors are respectively arranged between the output side of the voltage stabilizer and the corresponding machine tool;
k controlled switches are respectively arranged between the voltage monitor and the corresponding machine tool and used for conducting on-off control of a power supply of a machine tool power supply line;
wherein, the voltage monitor on every lathe power supply line and the operating power supply of controlled switch all are got from other lathe power supply lines, all the operating power supply forms alternately getting the electricity together.
2. The power control system of a machine tool set according to claim 1, wherein for any machine tool i, if its voltage monitor and controlled switch are powered from the powered machine tool power supply line of machine tool j, the voltage monitor and controlled switch of machine tool j must be powered from the powered machine tool power supply line of machine tool k, but cannot be powered from the powered machine tool power supply line of machine tool i, i ≠ j ≠ k.
3. The power control system of the machine tool set according to claim 1, wherein the working power supply is connected to other machine tool power supply lines between the controlled switch and the corresponding machine tool when the working power supply is powered from the other machine tool power supply lines.
4. The power control system of machine tool set according to claim 3, wherein each of the controlled switches is a normally open type controlled switch, and the power supply is cut off when the controlled switch is not normally supplied with power.
5. The power control system of the machine tool set according to claim 4, wherein each controlled switch is a wireless controlled switch, and the wireless controlled switch is provided with a standby power supply for supplying power to the standby power supply when the controlled switch does not supply power normally, and the standby power supply is not used for supplying power under the condition of normal power supply, and can be switched on and off under the wireless control of other control devices.
6. The power control system of machine tool set as claimed in claim 5, wherein each controlled switch has a physical operation switch for turning on and off the following functions of the controlled power: and when the controlled switch does not normally supply power, supplying power to the standby power supply.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911164232.XA CN112838581A (en) | 2019-11-25 | 2019-11-25 | Power control system of machine tool set |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911164232.XA CN112838581A (en) | 2019-11-25 | 2019-11-25 | Power control system of machine tool set |
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| Publication Number | Publication Date |
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| CN112838581A true CN112838581A (en) | 2021-05-25 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201911164232.XA Pending CN112838581A (en) | 2019-11-25 | 2019-11-25 | Power control system of machine tool set |
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|---|---|
| CN (1) | CN112838581A (en) |
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- 2019-11-25 CN CN201911164232.XA patent/CN112838581A/en active Pending
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Application publication date: 20210525 |