CN106559024B - Silicon controlled rectifier driving module - Google Patents
Silicon controlled rectifier driving module Download PDFInfo
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- CN106559024B CN106559024B CN201510613004.1A CN201510613004A CN106559024B CN 106559024 B CN106559024 B CN 106559024B CN 201510613004 A CN201510613004 A CN 201510613004A CN 106559024 B CN106559024 B CN 106559024B
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- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 title claims abstract description 91
- 229910052710 silicon Inorganic materials 0.000 title claims abstract description 91
- 239000010703 silicon Substances 0.000 title claims abstract description 91
- 238000001514 detection method Methods 0.000 claims description 27
- 239000003990 capacitor Substances 0.000 claims description 5
- 238000000034 method Methods 0.000 claims description 2
- 238000010586 diagram Methods 0.000 description 5
- 239000000758 substrate Substances 0.000 description 5
- 230000001105 regulatory effect Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
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Abstract
The invention discloses a silicon controlled rectifier driving module, which comprises a silicon controlled rectifier module group, a signal acquisition and comparison unit, a signal input unit, a signal output unit, a control output module, a power supply input module and an external controller, wherein the signal input unit is connected with the signal output unit; the signal acquisition unit acquires signals of the silicon controlled module group, performs comparison operation on the acquired signals, feeds back an operation result to an external controller, and the external controller issues an instruction to the silicon controlled module group so as to protect the safe operation of external power equipment. The invention drives the external power equipment (motor and motor) to work through the silicon controlled module, thereby improving the operation speed of the whole driving module and ensuring the safe operation of the power equipment.
Description
Technical Field
The invention relates to a numerical control driving device, in particular to a silicon controlled driving module.
Background
At present, the numerically controlled machine tool on the market is basically driven by an ac/dc contactor, and the ac/dc contactor is an automatic switching device for switching on or off a main ac/dc circuit with a load or a large-capacity control circuit, and not only can switch on and off the circuit, but also has a low-voltage release protection function. However, with the development of industry, users have made higher and higher requirements on the working speed and the structural simplicity of the numerical control machine tool, and therefore, the alternating current contactor mainly manufactured by the brand of schneider, mitsubishi and siemens cannot meet the use requirements of people.
Disclosure of Invention
In order to solve the technical problems, the invention provides the silicon controlled rectifier driving module with high efficiency and low cost.
The technical scheme adopted by the invention for solving the problems is as follows: the silicon controlled rectifier driving module comprises the following modules:
a thyristor module group;
the signal acquisition and comparison unit is used for acquiring signals of the silicon controlled module group and comprises a singlechip;
the signal acquired and calculated by the signal acquisition and comparison unit is fed back to a signal output unit of the external controller;
the signal input unit is used for the external controller to issue commands to the silicon controlled module group;
the control output module is used for carrying out output control on the work of the silicon controlled module group, and the control output module is externally connected with power equipment;
and the power input module provides power for the whole silicon controlled drive module;
the signal acquisition and comparison unit acquires signals of the silicon controlled module group, the acquired signals are compared through the single chip microcomputer, the single chip microcomputer feeds the compared signals back to an external controller, the external controller issues commands to the silicon controlled module group through the signal input unit according to comparison signal results, and the silicon controlled module group drives or stops driving external power equipment to work through the control output module according to command instructions. And the comparison signal operation is mainly to judge whether the acquired current value in the silicon controlled module group exceeds a numerical range set by a standard, if so, the current value is fed back to an external controller through a signal output unit, and the external controller issues a new command to the silicon controlled module group through a signal input unit, so that the external power equipment connected with the control output module is driven to work and operate safely.
Further, silicon controlled rectifier module group includes at least one silicon controlled rectifier unit, according to outside digit control machine tool working part's demand, quantity and the arrangement that sets up silicon controlled rectifier unit that can be reasonable.
Further, the silicon controlled rectifier unit comprises a silicon controlled rectifier module, a silicon controlled rectifier driving chip, a radiating fin and a filter capacitor, the silicon controlled rectifier module is arranged on the radiating fin, the output end of the silicon controlled rectifier driving chip is connected with the silicon controlled rectifier module, the silicon controlled rectifier driving chip drives the silicon controlled rectifier module to work, the radiating fin eliminates heat generated by the silicon controlled rectifier module and external power equipment (such as a motor and a motor) in the operation process, and the filter capacitor filters interference signals generated when the silicon controlled rectifier driving module, the silicon controlled rectifier driving chip and the radiating fin work.
Further, the silicon controlled rectifier unit also comprises a current value adjusting valve, and the current value adjusting valve adjusts corresponding current values according to different requirements. The peripheral power equipment of external numerical control machine tool, if: the motor of the motor needs to be adjusted to a corresponding standard working current value due to different power requirements, so that the current value adjusting valve is used for ensuring the value of the variable current, the same system can meet various power requirement devices, and the signal acquisition and comparison unit mainly judges whether the current value in the silicon controlled module exceeds the standard value set by the current value adjusting valve when comparing signals for operation.
Further, the silicon controlled module comprises a temperature detection device, wherein the temperature detection device is preset with an initial standard value and used for detecting whether the working temperature of the silicon controlled module and the external power equipment exceeds the initially set standard value or not.
And the silicon controlled module further comprises an overcurrent detection device, and the overcurrent detection device judges whether the detected current exceeds the set current standard value or not through the operation of the singlechip microcomputer according to the current standard value set by the internal current value regulating valve and the data in the overcurrent detection device.
Further, a thermosensitive device is arranged in the temperature detection device, the temperature detection device mainly uses the thermosensitive device therein to detect the temperature, and when the detected temperature exceeds the set use temperature, the temperature detection device can simultaneously send out two signals: the first signal is: firstly, automatically cutting off a signal of a silicon controlled drive chip to stop working, wherein the second signal is as follows: meanwhile, the signal is transmitted to an external controller through a signal output module, the external controller sends an instruction to be transmitted to a silicon controlled rectifier driving chip in the silicon controlled rectifier module group through a signal input unit, and the external controller stops the operation of the silicon controlled rectifier module group under the control of the external controller driving chip, so that external power equipment stops operating, and the purpose of protecting the safe operation of the external power equipment (such as a motor and a motor) is achieved.
Further, the signal output unit is an overcurrent and overtemperature output module.
The technical scheme of the invention has the following beneficial effects: the invention drives the external power equipment (such as a motor and a motor) to work through the silicon controlled module group, improves the operation speed of the whole driving module, reduces the production cost, and meanwhile, the overcurrent detection device and the temperature detection device are arranged in the silicon controlled module, so that when the temperature signal and the current signal input into the silicon controlled module exceed the preset values, the temperature signal and the current signal can be quickly fed back to the external controller, and the external controller gives a new instruction to control the silicon controlled module group, thereby ensuring the safe operation of the whole driving module.
Drawings
FIG. 1 is a block diagram of a thyristor driver module according to the present invention;
FIG. 2 is a schematic structural diagram of a thyristor driver module according to an embodiment of the invention;
fig. 3 is a schematic structural diagram of the position of the over-current detection device in the embodiment of the silicon controlled drive module of the invention.
Detailed Description
The invention is further described below with reference to the specific drawings.
As shown in fig. 1, a silicon controlled driving module is provided, which comprises a PCB substrate, a silicon controlled module set 2 disposed on the PCB substrate, a signal acquisition and comparison unit 3, a signal input unit 41 and a signal output unit 42, a control output module 5, a power input module 6, and a controller 1 disposed outside, wherein the external controller 1 is connected to the signal input unit 41 and the signal output unit 42, receives signals through the signal output unit 42, and sends command signals through the signal input unit 41, the input end of the signal acquisition and comparison unit 3 is connected to the silicon controlled module set 2, the output end thereof is connected to the signal output unit 42, the control output module 5 is connected to the output end of the silicon controlled module set 2, the power input module 6 is used to supply power to the whole module, the silicon controlled module set 2 includes n silicon controlled units (in the period: n is greater than or equal to 1, n is a natural number), each thyristor unit includes: the silicon controlled rectifier comprises a silicon controlled rectifier driving chip 21, a silicon controlled rectifier module 22, a filter capacitor 23, a current value regulating valve 24 and a radiating fin 25 which are arranged on a PCB substrate, wherein the silicon controlled rectifier module 22 is arranged on the radiating fin 25, the silicon controlled rectifier driving chip further comprises a temperature detection device 221 arranged in the silicon controlled rectifier module 22, and an overcurrent detection device 222 arranged at the position, corresponding to each silicon controlled rectifier unit, on the back of the PCB substrate. Wherein a thermosensitive device is arranged in the temperature detection device 221.
As shown in fig. 2 and fig. 3, which are specific embodiment structural diagrams of the module structural diagram corresponding to fig. 1, wherein an external controller 1 (not shown) is a CNC controller, a signal acquisition and comparison unit 3 (not shown) includes a single chip, a signal output unit 42 is an overcurrent and overtemperature signal output port, a power input module 6 is a three-phase power input terminal, and is composed of various fast-plug modules or a single connection terminal, and a thyristor module group 2 includes 8 thyristor units.
The silicon controlled rectifier driving module described in this embodiment operates in the following manner, the power input module 6 is connected to an external power supply to execute an instruction issued by the external controller 1, the silicon controlled rectifier driving chip 21 in each silicon controlled rectifier module unit in the silicon controlled rectifier module group 2 drives the silicon controlled rectifier module 22, the temperature detection device 221 arranged in the silicon controlled rectifier module 22 detects the external operating temperature through a thermosensitive device therein, when the acquired temperature signal is not within the standard range set by the temperature detection device 221, the thermosensitive device in the temperature detection device 221 automatically cuts off the supply voltage, and meanwhile, the temperature detection device 221 feeds back the high temperature signal to the external controller 1 through the signal output unit 42; the overcurrent detection device 222 arranged on the back of the PCB substrate detects the working current of the circuit in each silicon controlled unit, when the current signal acquired and compared by the signal acquisition and comparison unit 3 is not in the standard range set by the current value adjusting valve 24, the signal acquisition and comparison unit 3 feeds the result back to the external controller 1 through the signal output unit 42, the external controller 1 sends a new instruction to the silicon controlled module group 2 through the signal input unit 41, and the silicon controlled module group 2 controls the external power equipment (such as a motor and a motor) to work through the control output module 5, so that the safe operation of the external power equipment is ensured.
The above description is for the purpose of describing the invention in more detail with reference to specific preferred embodiments, and it should not be construed that the embodiments are limited to those described herein, but rather that the invention is susceptible to various modifications and alternative forms without departing from the spirit and scope of the present invention.
Claims (1)
1. The utility model provides a silicon controlled rectifier drive module which characterized in that: the system comprises the following modules:
the controllable module group comprises at least one controllable unit, and the controllable unit comprises a controllable silicon module, a controllable silicon driving chip, a radiating fin and a filter capacitor;
the signal acquisition and comparison unit is used for acquiring signals of the silicon controlled module group and comprises a singlechip;
the signal acquired and calculated by the signal acquisition and comparison unit is fed back to a signal output unit of the external controller;
the signal input unit is used for the external controller to issue commands to the silicon controlled module group;
the control output module is used for carrying out output control on the work of the silicon controlled module group, and the control output module is externally connected with power equipment;
and the power input module provides power for the whole silicon controlled drive module;
the signal acquisition and comparison unit acquires signals of the silicon controlled module group, compares the acquired signals through the single chip microcomputer, feeds the compared signals back to an external controller through the single chip microcomputer, the external controller sends a command to the silicon controlled module group through the signal input unit according to a signal comparison result, and the silicon controlled module group drives or stops driving external power equipment to work through the control output module according to the command instruction;
the silicon controlled module is arranged on the radiating fin, the output end of the silicon controlled driving chip is connected with the silicon controlled module, the silicon controlled driving chip drives the silicon controlled module to work, the radiating fin eliminates heat generated by the silicon controlled module and external power equipment in the operation process, and the filter capacitor filters interference signals generated when the silicon controlled driving module, the silicon controlled driving chip and the radiating fin work;
the silicon controlled rectifier unit also comprises a current value adjusting valve, and the current value adjusting valve adjusts corresponding current values according to different requirements;
the silicon controlled module comprises a temperature detection device;
the silicon controlled module also comprises an overcurrent detection device;
a thermosensitive device is arranged in the temperature detection device;
the signal output unit is an overcurrent and overtemperature protection module;
the temperature detection device detects the external working temperature through a thermosensitive device, when the acquired temperature signal is not in the standard range set by the temperature detection device, the thermosensitive device in the temperature detection device cuts off the driving voltage, and meanwhile, the temperature detection device feeds back the high-temperature signal to the external controller through the signal output unit;
the overcurrent detection device detects the working current of each silicon controlled rectifier unit, and when the current signals acquired and compared by the signal acquisition and comparison unit are not in the standard range set by the current value adjusting valve, the signal acquisition and comparison unit feeds the result back to the external controller through the signal output unit.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510613004.1A CN106559024B (en) | 2015-09-24 | 2015-09-24 | Silicon controlled rectifier driving module |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201510613004.1A CN106559024B (en) | 2015-09-24 | 2015-09-24 | Silicon controlled rectifier driving module |
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| CN106559024A CN106559024A (en) | 2017-04-05 |
| CN106559024B true CN106559024B (en) | 2020-03-24 |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2496184Y (en) * | 2001-04-10 | 2002-06-19 | 达科动力有限公司 | Intelligent driving module for electric motor |
| CN203826980U (en) * | 2014-04-01 | 2014-09-10 | 中国能源建设集团广东省电力设计研究院 | Flexible DC converter station |
| CN204334411U (en) * | 2014-12-14 | 2015-05-13 | 西安子竹电子科技有限公司 | A kind of electrical machine energy-saving control system |
| CN204392216U (en) * | 2015-02-02 | 2015-06-10 | 武汉辉达工控技术有限公司 | A kind of trigger unit for thyristor |
-
2015
- 2015-09-24 CN CN201510613004.1A patent/CN106559024B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2496184Y (en) * | 2001-04-10 | 2002-06-19 | 达科动力有限公司 | Intelligent driving module for electric motor |
| CN203826980U (en) * | 2014-04-01 | 2014-09-10 | 中国能源建设集团广东省电力设计研究院 | Flexible DC converter station |
| CN204334411U (en) * | 2014-12-14 | 2015-05-13 | 西安子竹电子科技有限公司 | A kind of electrical machine energy-saving control system |
| CN204392216U (en) * | 2015-02-02 | 2015-06-10 | 武汉辉达工控技术有限公司 | A kind of trigger unit for thyristor |
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| CN106559024A (en) | 2017-04-05 |
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Effective date of registration: 20230516 Address after: Zone A, 2nd Floor, No. 38 Lane 328, Hengyong Road, Jiading District, Shanghai, 201806 Patentee after: SHANGHAI ZHEHONG ROBOT AUTOMATION CO.,LTD. Address before: 201821 Factory 1, No. 2599 Jia'an Road, Jiading District, Shanghai Patentee before: Han Zhengqiang |
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| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of invention: A thyristor drive module Granted publication date: 20200324 Pledgee: China Construction Bank Corporation Shanghai Jiading Branch Pledgor: SHANGHAI ZHEHONG ROBOT AUTOMATION CO.,LTD. Registration number: Y2024980000225 |
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