CN103529772B - A kind of power system measuring and control device - Google Patents
A kind of power system measuring and control device Download PDFInfo
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- CN103529772B CN103529772B CN201310428025.7A CN201310428025A CN103529772B CN 103529772 B CN103529772 B CN 103529772B CN 201310428025 A CN201310428025 A CN 201310428025A CN 103529772 B CN103529772 B CN 103529772B
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P90/00—Enabling technologies with a potential contribution to greenhouse gas [GHG] emissions mitigation
- Y02P90/02—Total factory control, e.g. smart factories, flexible manufacturing systems [FMS] or integrated manufacturing systems [IMS]
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Abstract
The present invention discloses a kind of power system measuring and control device, it is arranged in switching station, comprise analog quantity acquisition circuit, open into circuit, digital output circuit, control unit and serial communication circuit, described control unit comprises control unit one, control unit two and control unit three, described serial communication circuit comprises communicating circuit one and communicating circuit two, described analog quantity acquisition circuit connection control unit one, control unit one connecting communication circuit one, and three circuit are integrated on the first circuit card, described opens into circuit connection control unit two, control unit two connecting communication circuit two, and three circuit are integrated on the 2nd circuit card, described digital output circuit connection control unit three, and three circuit are integrated on the 3rd circuit card. circuit integrated module of the present invention, simplifies the wiring of device, is conducive to maintenance. after device integrated modular, each circuit is all independent control, expands use range, and reduces device volume, easy to install and use.
Description
Technical field
The present invention relates to power system device, particularly a kind of power system measuring and control device.
Background technology
In prior art, power system measuring and control device mainly comprises analog quantity acquisition circuit, opens into circuit, digital output circuit, control unit, serial communication circuit and some controlled switches, analog quantity acquisition circuit, open and all it is connected to control unit by serial communication circuit into circuit and digital output circuit, device wiring is complicated, is also unfavorable for maintenance when breaking down. First under normal circumstances, analog quantity acquisition circuit, open circuit and digital output circuit is arranged in an operation box, but control unit takes external mode usually, causes the bulky of whole measuring and control device, is not easy to install and use.
Summary of the invention
The problem to be solved in the present invention is to provide a kind of power system measuring and control device, by circuit integrated module, simplifies the wiring of device, is conducive to the maintenance of device. After device integrated modular, each circuit is all independent control, expands use range, and device volume reduces, easy to install and use.
In order to solve the problems of the technologies described above, the present invention adopts following technical scheme: a kind of power system measuring and control device, it is arranged in switching station, comprise analog quantity acquisition circuit, open into circuit, digital output circuit, control unit and serial communication circuit, described analog quantity acquisition circuit, open and all it is connected to control unit by serial communication circuit into circuit and digital output circuit, described control unit comprises control unit one, control unit two and control unit three, described serial communication circuit comprises communicating circuit one and communicating circuit two, described analog quantity acquisition circuit connection control unit one, control unit one connecting communication circuit one, and described analog quantity acquisition circuit, control unit one and communicating circuit one are integrated on the first circuit card, described opens into circuit connection control unit two, control unit two connecting communication circuit two, and described in open into circuit, control unit two and communicating circuit two are integrated on the 2nd circuit card, described digital output circuit connection control unit three, and digital output circuit and control unit three are integrated on the 3rd circuit card. analog quantity acquisition circuit gathers the voltage of environmental parameter in switch or electric current signal and data is delivered to control unit one, communicating circuit one connects to be opened into circuit, process according to control unit one is split and is opened into signal into circuit, control unit two judges specifically to open the position into signal, by communicating circuit two, digital output circuit is outputed signal, control unit three receive corresponding output signal after, externally send corresponding steering order according to the signal of outputing of correspondence, trip switch station environment changes. the analog quantity acquisition circuit of described first circuit card gathers voltage or the electric current signal of the environmental parameter in switching station, and described communicating circuit one connects to be opened into circuit, and communicating circuit two connects digital output circuit, and control unit three is electrically connected on outside pilot circuit. after circuit integration, the wiring of device simplifies, and when device generation fault, is conducive to the maintenance of device. described the first circuit card, the 2nd circuit card and the 3rd circuit card are equipped with control unit, can independently use, such as, described analog quantity acquisition circuit is provided with independent control unit can separately for data gathering, the occasion that only need to gather analog signals at some can be used alone, and expands the use range of device, and after circuit integrated module, device volume reduces, and is convenient to install and use.
Preferably, described first circuit card, 2nd circuit card and the 3rd circuit card are all placed in an operation box, described operation box is provided with data gathering port and control port, the analog quantity acquisition circuit on the first circuit card is connect in data gathering port, it is provided with the sensor of detector switch station environmental parameter in switching station and changes the topworks of switching station environment, the external described sensor of described analog quantity acquisition circuit, the control unit three connecing the 3rd circuit card in described control port externally connects controlled switch, described controlled switch has some, each controlled switch connects a topworks. the voltage of the environmental parameter arrived of described analog quantity acquisition circuit pick-up transducers detection or electric current signal, the action of described controlled on-off control topworks, opening after circuit opens signal, locate by control unit two and specifically open the position into signal, and output signal by digital output circuit, corresponding steering order is sent to the controlled switch specifically opening the position into signal located, by being connected or disconnect the object that corresponding controlled switch reaches the action of control corresponding topworks by control unit three. it is arranged in operation box by the first circuit card, the 2nd circuit card and the 3rd circuit card to be convenient to the movement of device. circuit integrated moduleization is also optimized the space in operation box so that operation box inner structure is more compact, be conducive to reducing the volume of operation box.
Preferably, described serial communication circuit also comprises communicating circuit three, described communicating circuit three connection control unit three, and is also integrated on the 3rd circuit card, described operation box is also provided with PORT COM, in described PORT COM, connects the external display main frame of the communicating circuit three on the 3rd circuit card. By communicating circuit three, detection and process information are sent to display main frame, be convenient to managerial personnel concentrate check and process.
Preferably, the inwall of described operation box is provided with slot, and described first circuit card, the 2nd circuit card and the 3rd circuit card are all inserted to slot internal fixtion. Circuit card installs convenient fixing by slot, and technique is simple, it is achieved easily.
Preferably, described the first circuit card, the 2nd circuit card and the 3rd equal external source of circuit card, power by external source, and described operation box is provided with power supply port. Eliminate the space of the operation box shared by built-in power, reduce the volume of operation box, and avoid power supply to the interference of device, it is to increase device EMC(ElectroMagneticCompatibility electromagnetic compatibility) performance.
Preferably, described operation box has some, connects by respective PORT COM and same display host signal. The centralized management being convenient in power system measuring and control device.
Preferably, described sensor is temperature or humidity sensor, and described topworks is blower fan. In switching station there is SF6(sulfur hexafluoride in atmospheric moisture or the too high meeting of temperature) risk of gas hydrolysis release poison gas, so need to by the temperature of air-blower control switching station and humidity.
Preferably, described sensor is liquid level sensor, and described topworks is water pump. The water level that liquid level sensor is used in detection streamer ditch, when cable trench median water level is too high, is drained the water in cable trench by control water pump.
After adopting technique scheme, tool of the present invention has the following advantages:
By analog quantity acquisition circuit, open and it is integrated into the first circuit card, the 2nd circuit card and the 3rd circuit card into circuit, digital output circuit, control unit and serial communication circuit, simplify the connection of equipment, be convenient to the maintenance of device. It is equipped with control unit and serial communication circuit in the first circuit card, the 2nd circuit card and the 3rd circuit card, after making integrated module, first circuit card, the 2nd circuit card and the 3rd circuit card are all independent control, expand the use range of device, and after integrated modular, operation box smaller volume, facilitates installation and the placement of measuring and control device. Meanwhile, circuit integrated moduleization is also optimized the space in operation box so that operation box inner structure is more compact, be conducive to reducing the volume of operation box.
Accompanying drawing explanation
Below in conjunction with accompanying drawing, the specific embodiment of the present invention is described further:
Fig. 1 is internal structure schematic diagram of the present invention;
Fig. 2 is operation box internal structure schematic diagram.
Embodiment
As shown in Figure 1, a kind of power system measuring and control device, it is arranged in switching station, comprise analog quantity acquisition circuit, open into circuit, digital output circuit, control unit, serial communication circuit, the sensor of some controlled switches and detector switch station environment parameter, the sensing data of described analog quantity acquisition circuit acquisition testing switching station environment parameter, described analog quantity acquisition circuit, open and all it is connected to control unit by serial communication circuit into circuit and digital output circuit, described control unit is electrically connected on controlled switch, a controlled switch connecting valve in a topworks, described control unit comprises control unit one, control unit two and control unit three, described serial communication circuit comprises communicating circuit one and communicating circuit two, described analog quantity acquisition circuit connection control unit one, control unit one connecting communication circuit one, and described analog quantity acquisition circuit, control unit one and communicating circuit one are integrated on the first circuit card 1, described opens into circuit connection control unit two, control unit two connecting communication circuit two, and described in open into circuit, control unit two and communicating circuit two are integrated on the 2nd circuit card 2, described digital output circuit connection control unit three, and digital output circuit and control unit three are integrated on the 3rd circuit card 3. the sensor described in analog quantity acquisition circuit connection of described first circuit card 1, corresponding voltage or current data are also sent to analog quantity acquisition circuit (environmental parameter in switching station mainly comprise the temperature of air by environmental parameter in sensor detector switch station, the data such as the water level of humidity and cable trench), data are delivered to control unit one by analog quantity acquisition circuit, communicating circuit one connects to be opened into circuit, process according to control unit one is split and is opened into signal into circuit, control unit two judges specifically to open the position into signal, by communicating circuit two, digital output circuit is outputed signal, control unit three receive corresponding output signal after, the cut-offfing of controlled switch in signal control corresponding line is outputed according to correspondence. the external described sensor of the analog quantity acquisition circuit of described first circuit card, described communicating circuit one connects to be opened into circuit, and communicating circuit two connects digital output circuit, and control unit three is electrically connected on controlled switch. after circuit integration, the wiring of device simplifies, and when device generation fault, is conducive to turnaround of unit. described the first circuit card, the 2nd circuit card and the 3rd circuit card are equipped with control unit, can independently use, expand the use range of device. such as, analog quantity acquisition circuit is provided with independent control unit can separately for data gathering, and the occasion that only need to gather analog signals at some can be used alone, and after circuit integrated module, device volume reduces, and is convenient to install and use.
In this preferred embodiment, when described sensor is temperature or during humidity sensor, described topworks is blower fan. Due to transmission in power system is all high-voltage signal, usually SF6(sulfur hexafluoride is adopted) arc extinguishing of power equipment and seal, but SF6(sulfur hexafluoride) gas humidity can be hydrolyzed when higher and produce poisonous sulfur dioxide gas and the hydrogen sulfide of severe corrosive, and when temperature is higher, the carrying out of hydrolysis can be aggravated. Atmospheric moisture in the main detector switch station of temperature and moisture sensors and temperature variation, when in switching station, atmospheric moisture and humidity are too high, undertaken dehumidifying and lowering the temperature by blower fan. When described sensor is liquid level sensor, described topworks is water pump. Liquid level sensor mainly detects the cable trench median water level changing condition placing cable, when detecting that water level is too high, is extracted out by the water in cable trench by water pump.
As a preferred embodiment, see Fig. 1-2, described first circuit card 1, the 2nd circuit card 2 and the 3rd circuit card 3 are all placed in an operation box 4, described operation box 4 is provided with data gathering port 41 and control port 44, the analog quantity acquisition circuit on the first circuit card 1 is connect in data gathering port 41, the described sensor of external connection, connects the control unit three of the 3rd circuit card 3 in described control port 44, external described controlled switch. First circuit card 1, the 2nd circuit card 2 and the 3rd circuit card 3 are arranged at the movement being convenient to device in operation box 4. Circuit integrated moduleization is also optimized the space in operation box 4 so that operation box 4 inner structure is more compact, be conducive to reducing the volume of operation box 4. Described serial communication circuit also comprises communicating circuit three, described communicating circuit three connection control unit three, and also it is integrated on the 3rd circuit card 3, described operation box 4 is also provided with PORT COM 43, the communicating circuit three on the 3rd circuit card 3 is connect, an external display main frame (in Fig. 2 display) in described PORT COM 43. Described the first circuit card 1, the 2nd circuit card 2 and the 3rd circuit card 3 be external source all, powers by external source, and described operation box 4 is provided with power supply port 42. By the port 42 of data gathering port 41, power supply, PORT COM 43 and control port 44 external circuits, circuit is simple, easy to connect. Described the first circuit card 1, the 2nd circuit card 2 and the 3rd circuit card 3 are powered by external source, save the space that in operation box 4, power supply to be taken, are convenient to the volume of further reduction operation case 4.
As a preferred embodiment again, see Fig. 2, the inwall of described operation box 4 is provided with slot 45, and described first circuit card 1, the 2nd circuit card 2 and the 3rd circuit card 3 are all inserted to slot 45 internal fixtion. Slot 45 is convenient to the installation of the first circuit card 1, the 2nd circuit card 2 and the 3rd circuit card 3 and is fixed.
As an embodiment again, described operation box has some, certainly being equipped with the first circuit card 1, the 2nd circuit card 2 and the 3rd circuit card 3 in described operation box 4 and form described power system measuring and control device, power system measuring and control device connects (not shown in FIG.) by respective PORT COM 43 and same display host signal. By the unified display of display main frame, managerial personnel are facilitated to concentrate inspection and management.
Except above preferred embodiment, the present invention also has other enforcement mode, and those skilled in the art can make various change and distortion according to the present invention, as long as not departing from the spirit of the present invention, all should belong to the scope that claims of the present invention define.
Claims (4)
1. a power system measuring and control device, it is arranged in switching station, comprise analog quantity acquisition circuit, open into circuit, digital output circuit, control unit and serial communication circuit, described analog quantity acquisition circuit, open and all it is connected to control unit by serial communication circuit into circuit and digital output circuit, it is characterized in that: described control unit comprises control unit one, control unit two and control unit three, described serial communication circuit comprises communicating circuit one and communicating circuit two, described analog quantity acquisition circuit connection control unit one, control unit one connecting communication circuit one, and described analog quantity acquisition circuit, control unit one and communicating circuit one are integrated on the first circuit card (1), described opens into circuit connection control unit two, control unit two connecting communication circuit two, and described in open into circuit, control unit two and communicating circuit two are integrated on the 2nd circuit card (2), described digital output circuit connection control unit three, and digital output circuit and control unit three are integrated on the 3rd circuit card (3), described first circuit card (1), 2nd circuit card (2) and the 3rd circuit card (3) are all placed in an operation box (4), described operation box (4) is provided with data gathering port (41) and control port (44), the analog quantity acquisition circuit on the first circuit card (1) is connect in data gathering port (41), it is provided with the sensor of detector switch station environmental parameter in switching station and changes the topworks of switching station environment, the external described sensor of described analog quantity acquisition circuit, the control unit three connecing the 3rd circuit card (3) in described control port (44) externally connects controlled switch, described controlled switch has some, each controlled switch connects a topworks, described serial communication circuit also comprises communicating circuit three, described communicating circuit three connection control unit three, and also it is integrated on the 3rd circuit card (3), described operation box (4) is also provided with PORT COM (43), the external display main frame of the communicating circuit three on the 3rd circuit card (3) is connect in described PORT COM (43), the inwall of described operation box (4) is provided with slot (45), described first circuit card (1), 2nd circuit card (2) and the 3rd circuit card (3) are all inserted to slot (45) internal fixtion, described the first circuit card (1), 2nd circuit card (2) and the 3rd circuit card (3) all external sources, power by external source, described operation box (4) is provided with power supply port (42).
2. power system measuring and control device according to claim 1, it is characterised in that: described operation box (4) has some, connects by respective PORT COM (43) and same display host signal.
3. power system measuring and control device according to claim 1, it is characterised in that: described sensor is temperature or humidity sensor, and described topworks is blower fan.
4. power system measuring and control device according to claim 1, it is characterised in that: described sensor is liquid level sensor, and described topworks is water pump.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310428025.7A CN103529772B (en) | 2013-09-18 | 2013-09-18 | A kind of power system measuring and control device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310428025.7A CN103529772B (en) | 2013-09-18 | 2013-09-18 | A kind of power system measuring and control device |
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| Publication Number | Publication Date |
|---|---|
| CN103529772A CN103529772A (en) | 2014-01-22 |
| CN103529772B true CN103529772B (en) | 2016-06-01 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201310428025.7A Active CN103529772B (en) | 2013-09-18 | 2013-09-18 | A kind of power system measuring and control device |
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| CN (1) | CN103529772B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN113515085B (en) * | 2021-09-06 | 2021-11-26 | 江苏感测通电子科技有限公司 | Power distribution switch control device for smart home |
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| CN2809598Y (en) * | 2005-06-01 | 2006-08-23 | 上海哈德电气技术有限公司 | Integrated online monitoring device for SF6 switch station |
| CN102681557A (en) * | 2012-01-10 | 2012-09-19 | 浙江大学 | Integrated control device and control method for hydraulic system |
| CN102710015A (en) * | 2012-05-25 | 2012-10-03 | 清华大学 | Intelligent terminal device adaptive to intelligent transformer substation |
| CN202772594U (en) * | 2012-09-14 | 2013-03-06 | 广东电网公司东莞供电局 | Statcom remote control system |
| CN203012446U (en) * | 2012-12-18 | 2013-06-19 | 武汉华中数控股份有限公司 | Bus type PLC unit supporting multifunctional modules |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203414812U (en) * | 2013-09-18 | 2014-01-29 | 湖州泰仑电力自动化工程有限公司 | Measuring and controlling device of electrical power system |
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2013
- 2013-09-18 CN CN201310428025.7A patent/CN103529772B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0700205A2 (en) * | 1994-08-31 | 1996-03-06 | Kabushiki Kaisha Toshiba | Multimedia television receiver and method of booting the same |
| CN2809598Y (en) * | 2005-06-01 | 2006-08-23 | 上海哈德电气技术有限公司 | Integrated online monitoring device for SF6 switch station |
| CN102681557A (en) * | 2012-01-10 | 2012-09-19 | 浙江大学 | Integrated control device and control method for hydraulic system |
| CN102710015A (en) * | 2012-05-25 | 2012-10-03 | 清华大学 | Intelligent terminal device adaptive to intelligent transformer substation |
| CN202772594U (en) * | 2012-09-14 | 2013-03-06 | 广东电网公司东莞供电局 | Statcom remote control system |
| CN203012446U (en) * | 2012-12-18 | 2013-06-19 | 武汉华中数控股份有限公司 | Bus type PLC unit supporting multifunctional modules |
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| CN103529772A (en) | 2014-01-22 |
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Address after: 313000 Wuxing, Huzhou District, dedicated road, No. 988 on the third floor of the Patentee after: Huzhou Tailun Electric Power Automation Engineering Co. Ltd. Address before: 313000 Zhejiang, Huzhou, Wuxing District, dedicated road, building 988, No. 5 Patentee before: Huzhou Taicang Electricity Power Automation Engineering Co., Ltd. |