CN202954665U - Door control frequency converter - Google Patents
Door control frequency converter Download PDFInfo
- Publication number
- CN202954665U CN202954665U CN201220511835XU CN201220511835U CN202954665U CN 202954665 U CN202954665 U CN 202954665U CN 201220511835X U CN201220511835X U CN 201220511835XU CN 201220511835 U CN201220511835 U CN 201220511835U CN 202954665 U CN202954665 U CN 202954665U
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- control chip
- double
- power
- frequency converter
- interface plate
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Abstract
The utility model relates to a door control frequency converter and is applied to the field of frequency converters. The door control frequency converter comprises a control interface plate, a power module, a singlechip control chip and a direct current / alternating current (DC/AC) power module, wherein the singlechip control chip generates a pulse width modulation signal; the DC/AC power module is controlled to convert DC which is generated by the power module into three-phase frequency conversion power; and a door control switch is connected with the control interface plate. The door control switch is connected with the control interface plate; the control interface plate is connected with the singlechip control chip; when the door control switch is turned on, the singlechip control chip sends the corresponding pulse width modulation signal, and the main line power of the power module is cut off; and when the door control switch is turned off, the singlechip control chip stops sending the corresponding pulse width modulation signal. The door control frequency converter is simple in structure, stable in working performance, high in cost performance and easy to implement.
Description
Technical field
The utility model relates to a kind of gate frequency converter, is applied to the frequency converter field.
Background technology
Continuous progress along with science and technology, Machine-Tool Control part by former gear engage a gear speed change to the infinitely variable speeds future development, existing infinitely variable speeds mainly realizes the threephase asynchronous machine infinitely variable speeds by common frequency converter, but there is following defective in this speed change: because, electric component in main spindle box, chuck is dangerous to operating personnel when high speed operation, when the machine safety door is opened, should stop immediately the running of above-mentioned parts; Close behind the door, allow above-mentioned component working.And present processing mode is comparatively complicated, and the door opening electrical outage mode that is used for the assurance handling safety needs the hardware system of external complex to match could realize its function.
The utility model content
Technical problem to be solved in the utility model is to provide a kind of gate frequency converter, and it utilizes the hardware configuration of electronic circuit technology replace complex to realize the gate defencive function, makes system architecture simpler, and smaller volume has been saved cost.
the technical scheme that the utility model solves the problems of the technologies described above is as follows: a kind of gate frequency converter, comprise the control interface plate, power module, singlechip control chip, the DC/AC power modules, described singlechip control chip produces pulse-width signal, control the DC/AC power modules and convert the direct current that described power module produces to three phase frequency changing power, described gate controlled switch is connected with described control interface plate, described gate controlled switch is connected with described control interface plate, described control interface plate is connected with described singlechip control chip, when described gate switches on out, described singlechip control chip sends corresponding pulse-width modulation control signal, the trunk line power supply of the module of cutting off the electricity supply simultaneously, when described gate controlled switch disconnected, described singlechip control chip stopped sending corresponding pulse-width modulation control signal.Described amplifying circuit is transistor amplifier.
The beneficial effects of the utility model are: this utility model is simple in structure, stable work in work, and cost performance is high, and is easy to implement.
On the basis of technique scheme, the utility model can also be done following improvement.
further, described control interface plate and described singlechip control chip are integrated on a circuit board, be provided with double-point double-throw switch between described DC/AC power modules and power module, described singlechip control chip is controlled described double-point double-throw switch "off" or " closure " by amplifying circuit and power supply relay, described singlechip control chip sends the work order of "off" or " closure " of the described double-point double-throw switch of described control to described power supply relay through described amplifying circuit, when described power supply relay receives the work order of double-point double-throw switch "off" or " closure ", power supply relay is immediately with double-point double-throw switch "off" or " closure ", and then make to be between the DC/AC power modules of power supply and power module and disconnect or the state of conducting.Described amplifying circuit and described singlechip control chip are integrated on a circuit board.
The beneficial effect that adopts above-mentioned further scheme is when having realized safety door "off" or " closure ", to realize stopping or working of described gate frequency converter, and automaticity is high, and is simple in structure, handled easily.
Description of drawings
Fig. 1 is the utility model structural representation;
Fig. 2 is the utility model gate controlled switch circuit diagram.
In accompanying drawing, the list of parts of each label representative is as follows:
1, DC/AC power modules, 2, gate controlled switch, 3, the door power supply, 4, the input of the control information of "off" or " closure ", 5, power supply relay, 6, gate controlled switch detection signal output, 7, power module.
The specific embodiment
Below in conjunction with accompanying drawing, principle of the present utility model and feature are described, example only is used for explaining the utility model, is not be used to limiting scope of the present utility model.
as shown in Figure 1, the utility model comprises the control interface plate, power module, singlechip control chip, the DC/AC power modules, described singlechip control chip produces pulse-width signal, control the DC/AC power modules and convert the direct current that described power module produces to three phase frequency changing power, described gate controlled switch is connected with described control interface plate, described gate controlled switch is connected with described control interface plate, described control interface plate is connected with described singlechip control chip, when described gate controlled switch is closed, described gate controlled switch is to sending control command by described control interface plate to described singlechip control chip, when described gate switches on out, described singlechip control chip sends the order of controlling described three phase frequency changing power work.When described gate controlled switch turn-offed, described singlechip control chip sends controlled the out-of-work order of described three phase frequency changing power, and described control interface plate and described singlechip control chip are integrated on a circuit board.
as shown in Figure 2, the door power supply 3 of described gate controlled switch is 12 volts, described door power supply 3 is that 220 volts of power inverters by power module 7 obtain, described gate controlled switch 2 is connected with two shunt resistances of parallel connection, the a shunt resistance then ground connection that is connected with light emitting diode wherein, described another shunt resistance is connected with two resistance of parallel connection, ground connection after a resistance pressure limiting in two resistance of the parallel connection that is connected with described another shunt resistance, be connected with gate controlled switch 2 detection signal outputs after another resistance current limliting in two resistance of the parallel connection that is connected with described another shunt resistance, described gate controlled switch detection signal output 6 passes to single-chip microcomputer with the information of described gate controlled switch 2 "off" or " closure ".be provided with double-point double-throw switch K1 and power supply relay 5 between the DC/AC of described variable-frequency motor power modules 1 and power module, described power supply relay 5 is used for controlling "off" or " closure " of described double-point double-throw switch K1, described singlechip control chip sends the working signal of "off" or " closure " of the described double-point double-throw switch K1 of described control to described power supply relay 5, this signal passes to described power supply relay 5 after amplifying through amplifying circuit, when described power supply relay 5 receives the control signal of double-point double-throw switch K1 "off" or " closure ", power supply relay 5 is immediately with double-point double-throw switch K1 "off" or " closure ".Described transistor amplifier comprises a triode, the input 4 of the control information of described double-point double-throw switch K1 "off" or " closure " is connected with the base stage of described triode by current-limiting resistance, the grounded emitter of described triode, the colelctor electrode of described triode is connected with described power supply relay 5, and described power supply relay 5 is connected with described gate controlled switch 2.
The above is only preferred embodiment of the present utility model, and is in order to limit the utility model, not all within spirit of the present utility model and principle, any modification of doing, is equal to replacement, improvement etc., within all should being included in protection domain of the present utility model.
Claims (5)
1. gate frequency converter, comprise the control interface plate, power module, singlechip control chip, the DC/AC power modules, described singlechip control chip produces pulse-width signal, control the DC/AC power modules and convert the direct current that described power module produces to three phase frequency changing power, described gate controlled switch is connected with described control interface plate, it is characterized in that: described gate controlled switch is connected with described control interface plate, described control interface plate is connected with described singlechip control chip, when described gate switches on out, described singlechip control chip sends corresponding pulse-width modulation control signal, the trunk line power supply of the module of cutting off the electricity supply simultaneously, when described gate controlled switch disconnected, described singlechip control chip stopped sending corresponding pulse-width modulation control signal.
2. gate frequency converter according to claim 1, it is characterized in that: described control interface plate and described singlechip control chip are integrated on a circuit board.
3. gate frequency converter according to claim 1 and 2, it is characterized in that: be provided with double-point double-throw switch between described DC/AC power modules and power module, described singlechip control chip is controlled described double-point double-throw switch "off" or " closure " by amplifying circuit and power supply relay, described singlechip control chip sends the work order of "off" or " closure " of the described double-point double-throw switch of described control to described power supply relay through described amplifying circuit, when described power supply relay receives the work order of double-point double-throw switch "off" or " closure ", power supply relay is immediately with double-point double-throw switch "off" or " closure ", and then make to be between the DC/AC power modules of power supply and power module and disconnect or the state of conducting.
4. gate frequency converter according to claim 3, it is characterized in that: described amplifying circuit is transistor amplifier.
5. gate frequency converter according to claim 4, it is characterized in that: described amplifying circuit and described singlechip control chip are integrated on a circuit board.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201220511835XU CN202954665U (en) | 2012-09-29 | 2012-09-29 | Door control frequency converter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201220511835XU CN202954665U (en) | 2012-09-29 | 2012-09-29 | Door control frequency converter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202954665U true CN202954665U (en) | 2013-05-29 |
Family
ID=48460242
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201220511835XU Expired - Fee Related CN202954665U (en) | 2012-09-29 | 2012-09-29 | Door control frequency converter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202954665U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106150209A (en) * | 2016-02-26 | 2016-11-23 | 安朗杰安防技术（中国）有限公司 | The electronic lock powered by dead bolt and operation method thereof |
-
2012
- 2012-09-29 CN CN201220511835XU patent/CN202954665U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106150209A (en) * | 2016-02-26 | 2016-11-23 | 安朗杰安防技术（中国）有限公司 | The electronic lock powered by dead bolt and operation method thereof |
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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: 20130529 Termination date: 20140929 |
|
| EXPY | Termination of patent right or utility model |